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通溝污泥處理裝置
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通溝污泥處理裝置
通溝污泥處理裝置
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<p style=";line-height:26px"><span style="font-size: 16px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">簡介</span><br/><span style="font-size: 14px; font-family: 宋體;">為了保持排水管網運行暢通,需要定時清撈管道中沉積的大量垃圾,這些垃圾統稱為排水管渠污泥,俗稱</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋體; font-size: 12px;">亦稱</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋體; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理現狀</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">是排水管道養護中疏通清撈出來的沉積物,特性復雜,是生活垃圾、渣土、砂石、有機污泥和污水的混合物。城市管網中的通溝污泥</span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">如不及時清理,既容易造成排水管道排水不暢、引發積水和污水冒溢的問題,又會造成沉積在管道內的淤泥雨天隨雨水進入河道造成嚴重的污染事件,危害極大。</span> <span style="font-size: 14px; font-family: 宋體;">隨著人們對排水管道養護工作的日益重視,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的數量也日趨增加。大量</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的存放、處置是個棘手的問題。當前做法是采取清淘后,在附近綠地內晾曬,然后直接送入垃圾填埋場填埋處置。這種處理方式不但影響管網周邊綠地的環境,同時由于</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">成分復雜,含水率變化大,垃圾填埋場逐步拒絕接收此部分污泥的直接進入。隨著城市管網的不斷建設,溝泥日產量將大大增多,由此帶來的處置矛盾進一步加劇,尋找新的溝泥處置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">主要設備</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理中采用的主要設備有:</span>1<span style="font-size: 14px; font-family: 宋體;">)喂料裝置,負責</span></span><span style="font-family: 宋體; font-size: 12px;">原始通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">定量輸送;</span>2<span style="font-size: 14px; font-family: 宋體;">)洗滌轉鼓裝置,負責分離通溝污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋體; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">的粗大物質;</span>3<span style="font-size: 14px; font-family: 宋體;">)洗砂裝置,負責分選出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的細砂礫,去除率可達</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋體;">以上,洗出的砂礫有機燒失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋體;">)精細過濾裝置,負責篩分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">細砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">,通過高效沉淀分離污泥中的砂礫和油脂,將</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫沉降分離;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋體;">)超細砂洗砂分砂裝置,負責分選出</span></span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂,有機燒失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋體;">)螺壓脫水機,負責后續污泥的脫水處理,可將污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋體;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">回用水機</span><span style="font-size: 14px; font-family: 宋體;">,負責</span><span style="font-family: 宋體; font-size: 12px;">沖洗水回用處置,減少系統運行時的排污量,每日節約用水約</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋體; font-size: 12px;">噸左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">解決方案</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">干固體中有機質含量較低,其平均含量約為</span>17.2%<span style="font-size: 14px; font-family: 宋體;">,而無機質 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋體;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋體;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋體;">,這說明通溝污泥中無機成分多于有機成分,不可燃成分多于可燃成分。通溝污泥含水率為</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋體;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋體;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋體;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋體;">之間,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋體;">左右。因此,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理的核心是對其進行分選,</span> <span style="font-size: 14px; font-family: 宋體;">通過篩分、洗滌和過濾等預處理手段,將其分為粗大垃圾、砂礫、有機顆粒以及污水</span></span><span style="font-family: 宋體; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">四部分,以備進一步處理。</span> <span style="font-size: 14px; font-family: 宋體;">粗大垃圾經分離后轉到垃圾處理部門進一步處理處置和回收利用;粒徑為</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫洗滌后,有機質含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">以下,可作為低檔建筑材料回收利用;分離的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機柵渣可用于污泥堆肥;濾出的污水可通過管道重新輸送至污水處理廠進行處理,也可進一步去除污水中的有機物顆粒以作為通溝污泥處理工藝的設備沖洗水;分離出的污泥可直接脫水后外運處置。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">篩分物</span><br/></span><span style="font-family: 宋體; font-size: 12px;">篩分產物分為五級</span><span style="font-size: 14px; font-family: 宋體;">:</span><span style="font-family: 宋體; font-size: 12px;">第一級為:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋體;">的大塊物質;</span></span><span style="font-family: 宋體; font-size: 12px;">第二級為:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋體;">的粗大顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第三級為:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第四級為:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫;</span></span><span style="font-family: 宋體; font-size: 12px;">第五級為:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂礫</span></span><span style="font-family: 宋體; font-size: 12px;">。污水通過回用裝置處理后再循環利用,廢氣通過除臭系統處置后達標排放。</span></span></p>
通溝污泥處理裝置
通溝污泥處理裝置
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<p style=";line-height:26px"><span style="font-size: 14px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">簡介</span><br/><span style="font-size: 14px; font-family: 宋體;">為了保持排水管網運行暢通,需要定時清撈管道中沉積的大量垃圾,這些垃圾統稱為排水管渠污泥,俗稱</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋體; font-size: 12px;">亦稱</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋體; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理現狀</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">是排水管道養護中疏通清撈出來的沉積物,特性復雜,是生活垃圾、渣土、砂石、有機污泥和污水的混合物。城市管網中的通溝污泥</span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">如不及時清理,既容易造成排水管道排水不暢、引發積水和污水冒溢的問題,又會造成沉積在管道內的淤泥雨天隨雨水進入河道造成嚴重的污染事件,危害極大。</span> <span style="font-size: 14px; font-family: 宋體;">隨著人們對排水管道養護工作的日益重視,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的數量也日趨增加。大量</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的存放、處置是個棘手的問題。當前做法是采取清淘后,在附近綠地內晾曬,然后直接送入垃圾填埋場填埋處置。這種處理方式不但影響管網周邊綠地的環境,同時由于</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">成分復雜,含水率變化大,垃圾填埋場逐步拒絕接收此部分污泥的直接進入。隨著城市管網的不斷建設,溝泥日產量將大大增多,由此帶來的處置矛盾進一步加劇,尋找新的溝泥處置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">主要設備</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理中采用的主要設備有:</span>1<span style="font-size: 14px; font-family: 宋體;">)喂料裝置,負責</span></span><span style="font-family: 宋體; font-size: 12px;">原始通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">定量輸送;</span>2<span style="font-size: 14px; font-family: 宋體;">)洗滌轉鼓裝置,負責分離通溝污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋體; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">的粗大物質;</span>3<span style="font-size: 14px; font-family: 宋體;">)洗砂裝置,負責分選出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的細砂礫,去除率可達</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋體;">以上,洗出的砂礫有機燒失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋體;">)精細過濾裝置,負責篩分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">細砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">,通過高效沉淀分離污泥中的砂礫和油脂,將</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫沉降分離;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋體;">)超細砂洗砂分砂裝置,負責分選出</span></span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂,有機燒失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋體;">)螺壓脫水機,負責后續污泥的脫水處理,可將污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋體;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">回用水機</span><span style="font-size: 14px; font-family: 宋體;">,負責</span><span style="font-family: 宋體; font-size: 12px;">沖洗水回用處置,減少系統運行時的排污量,每日節約用水約</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋體; font-size: 12px;">噸左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">解決方案</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">干固體中有機質含量較低,其平均含量約為</span>17.2%<span style="font-size: 14px; font-family: 宋體;">,而無機質 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋體;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋體;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋體;">,這說明通溝污泥中無機成分多于有機成分,不可燃成分多于可燃成分。通溝污泥含水率為</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋體;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋體;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋體;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋體;">之間,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋體;">左右。因此,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理的核心是對其進行分選,</span> <span style="font-size: 14px; font-family: 宋體;">通過篩分、洗滌和過濾等預處理手段,將其分為粗大垃圾、砂礫、有機顆粒以及污水</span></span><span style="font-family: 宋體; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">四部分,以備進一步處理。</span> <span style="font-size: 14px; font-family: 宋體;">粗大垃圾經分離后轉到垃圾處理部門進一步處理處置和回收利用;粒徑為</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫洗滌后,有機質含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">以下,可作為低檔建筑材料回收利用;分離的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機柵渣可用于污泥堆肥;濾出的污水可通過管道重新輸送至污水處理廠進行處理,也可進一步去除污水中的有機物顆粒以作為通溝污泥處理工藝的設備沖洗水;分離出的污泥可直接脫水后外運處置。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">篩分物</span><br/></span><span style="font-family: 宋體; font-size: 12px;">篩分產物分為五級</span><span style="font-size: 14px; font-family: 宋體;">:</span><span style="font-family: 宋體; font-size: 12px;">第一級為:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋體;">的大塊物質;</span></span><span style="font-family: 宋體; font-size: 12px;">第二級為:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋體;">的粗大顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第三級為:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第四級為:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫;</span></span><span style="font-family: 宋體; font-size: 12px;">第五級為:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂礫</span></span><span style="font-family: 宋體; font-size: 12px;">。污水通過回用裝置處理后再循環利用,廢氣通過除臭系統處置后達標排放。</span></span></p>
通溝污泥處理裝置
通溝污泥處理裝置
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<p style=";line-height:26px"><span style="font-size: 14px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">簡介</span><br/><span style="font-size: 14px; font-family: 宋體;">為了保持排水管網運行暢通,需要定時清撈管道中沉積的大量垃圾,這些垃圾統稱為排水管渠污泥,俗稱</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋體; font-size: 12px;">亦稱</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋體; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理現狀</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">是排水管道養護中疏通清撈出來的沉積物,特性復雜,是生活垃圾、渣土、砂石、有機污泥和污水的混合物。城市管網中的通溝污泥</span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">如不及時清理,既容易造成排水管道排水不暢、引發積水和污水冒溢的問題,又會造成沉積在管道內的淤泥雨天隨雨水進入河道造成嚴重的污染事件,危害極大。</span> <span style="font-size: 14px; font-family: 宋體;">隨著人們對排水管道養護工作的日益重視,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的數量也日趨增加。大量</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的存放、處置是個棘手的問題。當前做法是采取清淘后,在附近綠地內晾曬,然后直接送入垃圾填埋場填埋處置。這種處理方式不但影響管網周邊綠地的環境,同時由于</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">成分復雜,含水率變化大,垃圾填埋場逐步拒絕接收此部分污泥的直接進入。隨著城市管網的不斷建設,溝泥日產量將大大增多,由此帶來的處置矛盾進一步加劇,尋找新的溝泥處置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">主要設備</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理中采用的主要設備有:</span>1<span style="font-size: 14px; font-family: 宋體;">)喂料裝置,負責</span></span><span style="font-family: 宋體; font-size: 12px;">原始通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">定量輸送;</span>2<span style="font-size: 14px; font-family: 宋體;">)洗滌轉鼓裝置,負責分離通溝污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋體; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">的粗大物質;</span>3<span style="font-size: 14px; font-family: 宋體;">)洗砂裝置,負責分選出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的細砂礫,去除率可達</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋體;">以上,洗出的砂礫有機燒失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋體;">)精細過濾裝置,負責篩分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">細砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">,通過高效沉淀分離污泥中的砂礫和油脂,將</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫沉降分離;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋體;">)超細砂洗砂分砂裝置,負責分選出</span></span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂,有機燒失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋體;">)螺壓脫水機,負責后續污泥的脫水處理,可將污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋體;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">回用水機</span><span style="font-size: 14px; font-family: 宋體;">,負責</span><span style="font-family: 宋體; font-size: 12px;">沖洗水回用處置,減少系統運行時的排污量,每日節約用水約</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋體; font-size: 12px;">噸左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">解決方案</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">干固體中有機質含量較低,其平均含量約為</span>17.2%<span style="font-size: 14px; font-family: 宋體;">,而無機質 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋體;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋體;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋體;">,這說明通溝污泥中無機成分多于有機成分,不可燃成分多于可燃成分。通溝污泥含水率為</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋體;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋體;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋體;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋體;">之間,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋體;">左右。因此,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理的核心是對其進行分選,</span> <span style="font-size: 14px; font-family: 宋體;">通過篩分、洗滌和過濾等預處理手段,將其分為粗大垃圾、砂礫、有機顆粒以及污水</span></span><span style="font-family: 宋體; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">四部分,以備進一步處理。</span> <span style="font-size: 14px; font-family: 宋體;">粗大垃圾經分離后轉到垃圾處理部門進一步處理處置和回收利用;粒徑為</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫洗滌后,有機質含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">以下,可作為低檔建筑材料回收利用;分離的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機柵渣可用于污泥堆肥;濾出的污水可通過管道重新輸送至污水處理廠進行處理,也可進一步去除污水中的有機物顆粒以作為通溝污泥處理工藝的設備沖洗水;分離出的污泥可直接脫水后外運處置。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">篩分物</span><br/></span><span style="font-family: 宋體; font-size: 12px;">篩分產物分為五級</span><span style="font-size: 14px; font-family: 宋體;">:</span><span style="font-family: 宋體; font-size: 12px;">第一級為:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋體;">的大塊物質;</span></span><span style="font-family: 宋體; font-size: 12px;">第二級為:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋體;">的粗大顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第三級為:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第四級為:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫;</span></span><span style="font-family: 宋體; font-size: 12px;">第五級為:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂礫</span></span><span style="font-family: 宋體; font-size: 12px;">。污水通過回用裝置處理后再循環利用,廢氣通過除臭系統處置后達標排放。</span></span></p><p><br/></p>
通溝污泥處理裝置
通溝污泥處理裝置
市場價:
¥0.00
價格:
¥0.00
<p style=";line-height:26px"><span style="font-size: 14px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">簡介</span><br/><span style="font-size: 14px; font-family: 宋體;">為了保持排水管網運行暢通,需要定時清撈管道中沉積的大量垃圾,這些垃圾統稱為排水管渠污泥,俗稱</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋體; font-size: 12px;">亦稱</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋體; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理現狀</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">是排水管道養護中疏通清撈出來的沉積物,特性復雜,是生活垃圾、渣土、砂石、有機污泥和污水的混合物。城市管網中的通溝污泥</span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">如不及時清理,既容易造成排水管道排水不暢、引發積水和污水冒溢的問題,又會造成沉積在管道內的淤泥雨天隨雨水進入河道造成嚴重的污染事件,危害極大。</span> <span style="font-size: 14px; font-family: 宋體;">隨著人們對排水管道養護工作的日益重視,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的數量也日趨增加。大量</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的存放、處置是個棘手的問題。當前做法是采取清淘后,在附近綠地內晾曬,然后直接送入垃圾填埋場填埋處置。這種處理方式不但影響管網周邊綠地的環境,同時由于</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">成分復雜,含水率變化大,垃圾填埋場逐步拒絕接收此部分污泥的直接進入。隨著城市管網的不斷建設,溝泥日產量將大大增多,由此帶來的處置矛盾進一步加劇,尋找新的溝泥處置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">主要設備</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理中采用的主要設備有:</span>1<span style="font-size: 14px; font-family: 宋體;">)喂料裝置,負責</span></span><span style="font-family: 宋體; font-size: 12px;">原始通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">定量輸送;</span>2<span style="font-size: 14px; font-family: 宋體;">)洗滌轉鼓裝置,負責分離通溝污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋體; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">的粗大物質;</span>3<span style="font-size: 14px; font-family: 宋體;">)洗砂裝置,負責分選出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的細砂礫,去除率可達</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋體;">以上,洗出的砂礫有機燒失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋體;">)精細過濾裝置,負責篩分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">細砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">,通過高效沉淀分離污泥中的砂礫和油脂,將</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫沉降分離;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋體;">)超細砂洗砂分砂裝置,負責分選出</span></span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂,有機燒失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋體;">)螺壓脫水機,負責后續污泥的脫水處理,可將污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋體;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">回用水機</span><span style="font-size: 14px; font-family: 宋體;">,負責</span><span style="font-family: 宋體; font-size: 12px;">沖洗水回用處置,減少系統運行時的排污量,每日節約用水約</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋體; font-size: 12px;">噸左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">解決方案</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">干固體中有機質含量較低,其平均含量約為</span>17.2%<span style="font-size: 14px; font-family: 宋體;">,而無機質 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋體;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋體;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋體;">,這說明通溝污泥中無機成分多于有機成分,不可燃成分多于可燃成分。通溝污泥含水率為</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋體;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋體;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋體;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋體;">之間,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋體;">左右。因此,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理的核心是對其進行分選,</span> <span style="font-size: 14px; font-family: 宋體;">通過篩分、洗滌和過濾等預處理手段,將其分為粗大垃圾、砂礫、有機顆粒以及污水</span></span><span style="font-family: 宋體; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">四部分,以備進一步處理。</span> <span style="font-size: 14px; font-family: 宋體;">粗大垃圾經分離后轉到垃圾處理部門進一步處理處置和回收利用;粒徑為</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫洗滌后,有機質含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">以下,可作為低檔建筑材料回收利用;分離的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機柵渣可用于污泥堆肥;濾出的污水可通過管道重新輸送至污水處理廠進行處理,也可進一步去除污水中的有機物顆粒以作為通溝污泥處理工藝的設備沖洗水;分離出的污泥可直接脫水后外運處置。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">篩分物</span><br/></span><span style="font-family: 宋體; font-size: 12px;">篩分產物分為五級</span><span style="font-size: 14px; font-family: 宋體;">:</span><span style="font-family: 宋體; font-size: 12px;">第一級為:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋體;">的大塊物質;</span></span><span style="font-family: 宋體; font-size: 12px;">第二級為:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋體;">的粗大顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第三級為:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第四級為:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫;</span></span><span style="font-family: 宋體; font-size: 12px;">第五級為:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂礫</span></span><span style="font-family: 宋體; font-size: 12px;">。污水通過回用裝置處理后再循環利用,廢氣通過除臭系統處置后達標排放。</span></span></p><p><br/></p>
通溝污泥處理裝置
通溝污泥處理裝置
市場價:
¥0.00
價格:
¥0.00
<p style=";line-height:26px"><span style="font-size: 14px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">簡介</span><br/><span style="font-size: 14px; font-family: 宋體;">為了保持排水管網運行暢通,需要定時清撈管道中沉積的大量垃圾,這些垃圾統稱為排水管渠污泥,俗稱</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋體; font-size: 12px;">亦稱</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋體; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理現狀</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">是排水管道養護中疏通清撈出來的沉積物,特性復雜,是生活垃圾、渣土、砂石、有機污泥和污水的混合物。城市管網中的通溝污泥</span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">如不及時清理,既容易造成排水管道排水不暢、引發積水和污水冒溢的問題,又會造成沉積在管道內的淤泥雨天隨雨水進入河道造成嚴重的污染事件,危害極大。</span> <span style="font-size: 14px; font-family: 宋體;">隨著人們對排水管道養護工作的日益重視,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的數量也日趨增加。大量</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的存放、處置是個棘手的問題。當前做法是采取清淘后,在附近綠地內晾曬,然后直接送入垃圾填埋場填埋處置。這種處理方式不但影響管網周邊綠地的環境,同時由于</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">成分復雜,含水率變化大,垃圾填埋場逐步拒絕接收此部分污泥的直接進入。隨著城市管網的不斷建設,溝泥日產量將大大增多,由此帶來的處置矛盾進一步加劇,尋找新的溝泥處置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">主要設備</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理中采用的主要設備有:</span>1<span style="font-size: 14px; font-family: 宋體;">)喂料裝置,負責</span></span><span style="font-family: 宋體; font-size: 12px;">原始通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">定量輸送;</span>2<span style="font-size: 14px; font-family: 宋體;">)洗滌轉鼓裝置,負責分離通溝污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋體; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">的粗大物質;</span>3<span style="font-size: 14px; font-family: 宋體;">)洗砂裝置,負責分選出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的細砂礫,去除率可達</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋體;">以上,洗出的砂礫有機燒失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋體;">)精細過濾裝置,負責篩分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">細砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">,通過高效沉淀分離污泥中的砂礫和油脂,將</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫沉降分離;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋體;">)超細砂洗砂分砂裝置,負責分選出</span></span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂,有機燒失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋體;">)螺壓脫水機,負責后續污泥的脫水處理,可將污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋體;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">回用水機</span><span style="font-size: 14px; font-family: 宋體;">,負責</span><span style="font-family: 宋體; font-size: 12px;">沖洗水回用處置,減少系統運行時的排污量,每日節約用水約</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋體; font-size: 12px;">噸左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">解決方案</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">干固體中有機質含量較低,其平均含量約為</span>17.2%<span style="font-size: 14px; font-family: 宋體;">,而無機質 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋體;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋體;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋體;">,這說明通溝污泥中無機成分多于有機成分,不可燃成分多于可燃成分。通溝污泥含水率為</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋體;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋體;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋體;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋體;">之間,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋體;">左右。因此,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理的核心是對其進行分選,</span> <span style="font-size: 14px; font-family: 宋體;">通過篩分、洗滌和過濾等預處理手段,將其分為粗大垃圾、砂礫、有機顆粒以及污水</span></span><span style="font-family: 宋體; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">四部分,以備進一步處理。</span> <span style="font-size: 14px; font-family: 宋體;">粗大垃圾經分離后轉到垃圾處理部門進一步處理處置和回收利用;粒徑為</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫洗滌后,有機質含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">以下,可作為低檔建筑材料回收利用;分離的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機柵渣可用于污泥堆肥;濾出的污水可通過管道重新輸送至污水處理廠進行處理,也可進一步去除污水中的有機物顆粒以作為通溝污泥處理工藝的設備沖洗水;分離出的污泥可直接脫水后外運處置。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">篩分物</span><br/></span><span style="font-family: 宋體; font-size: 12px;">篩分產物分為五級</span><span style="font-size: 14px; font-family: 宋體;">:</span><span style="font-family: 宋體; font-size: 12px;">第一級為:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋體;">的大塊物質;</span></span><span style="font-family: 宋體; font-size: 12px;">第二級為:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋體;">的粗大顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第三級為:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第四級為:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫;</span></span><span style="font-family: 宋體; font-size: 12px;">第五級為:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂礫</span></span><span style="font-family: 宋體; font-size: 12px;">。污水通過回用裝置處理后再循環利用,廢氣通過除臭系統處置后達標排放。</span></span></p><p><br/></p>
通溝污泥處理裝置
通溝污泥處理裝置
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<p style=";line-height:26px"><span style="font-size: 14px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">簡介</span><br/><span style="font-size: 14px; font-family: 宋體;">為了保持排水管網運行暢通,需要定時清撈管道中沉積的大量垃圾,這些垃圾統稱為排水管渠污泥,俗稱</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋體; font-size: 12px;">亦稱</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋體; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理現狀</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">是排水管道養護中疏通清撈出來的沉積物,特性復雜,是生活垃圾、渣土、砂石、有機污泥和污水的混合物。城市管網中的通溝污泥</span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">如不及時清理,既容易造成排水管道排水不暢、引發積水和污水冒溢的問題,又會造成沉積在管道內的淤泥雨天隨雨水進入河道造成嚴重的污染事件,危害極大。</span> <span style="font-size: 14px; font-family: 宋體;">隨著人們對排水管道養護工作的日益重視,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的數量也日趨增加。大量</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋體;">的存放、處置是個棘手的問題。當前做法是采取清淘后,在附近綠地內晾曬,然后直接送入垃圾填埋場填埋處置。這種處理方式不但影響管網周邊綠地的環境,同時由于</span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">成分復雜,含水率變化大,垃圾填埋場逐步拒絕接收此部分污泥的直接進入。隨著城市管網的不斷建設,溝泥日產量將大大增多,由此帶來的處置矛盾進一步加劇,尋找新的溝泥處置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">主要設備</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理中采用的主要設備有:</span>1<span style="font-size: 14px; font-family: 宋體;">)喂料裝置,負責</span></span><span style="font-family: 宋體; font-size: 12px;">原始通溝污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">定量輸送;</span>2<span style="font-size: 14px; font-family: 宋體;">)洗滌轉鼓裝置,負責分離通溝污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋體; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">的粗大物質;</span>3<span style="font-size: 14px; font-family: 宋體;">)洗砂裝置,負責分選出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的細砂礫,去除率可達</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋體;">以上,洗出的砂礫有機燒失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋體;">)精細過濾裝置,負責篩分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">細砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">,通過高效沉淀分離污泥中的砂礫和油脂,將</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫沉降分離;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋體;">)超細砂洗砂分砂裝置,負責分選出</span></span><span style="font-family: 宋體; font-size: 12px;">通溝污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂,有機燒失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋體;">)螺壓脫水機,負責后續污泥的脫水處理,可將污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋體;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋體;">)</span></span><span style="font-family: 宋體; font-size: 12px;">回用水機</span><span style="font-size: 14px; font-family: 宋體;">,負責</span><span style="font-family: 宋體; font-size: 12px;">沖洗水回用處置,減少系統運行時的排污量,每日節約用水約</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋體; font-size: 12px;">噸左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">解決方案</span><br/><span style="font-size: 14px; font-family: 宋體;">通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">干固體中有機質含量較低,其平均含量約為</span>17.2%<span style="font-size: 14px; font-family: 宋體;">,而無機質 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋體;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋體;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋體;">,這說明通溝污泥中無機成分多于有機成分,不可燃成分多于可燃成分。通溝污泥含水率為</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋體;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋體;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋體;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋體;">之間,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋體;">左右。因此,通溝污泥</span></span><span style="font-family: 宋體; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">處理的核心是對其進行分選,</span> <span style="font-size: 14px; font-family: 宋體;">通過篩分、洗滌和過濾等預處理手段,將其分為粗大垃圾、砂礫、有機顆粒以及污水</span></span><span style="font-family: 宋體; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋體;">四部分,以備進一步處理。</span> <span style="font-size: 14px; font-family: 宋體;">粗大垃圾經分離后轉到垃圾處理部門進一步處理處置和回收利用;粒徑為</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫洗滌后,有機質含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋體;">以下,可作為低檔建筑材料回收利用;分離的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋體;">的有機柵渣可用于污泥堆肥;濾出的污水可通過管道重新輸送至污水處理廠進行處理,也可進一步去除污水中的有機物顆粒以作為通溝污泥處理工藝的設備沖洗水;分離出的污泥可直接脫水后外運處置。</span><br/><span style="font-size: 14px; font-family: Arial;">?</span><span style="font-size: 14px; font-family: 宋體;">篩分物</span><br/></span><span style="font-family: 宋體; font-size: 12px;">篩分產物分為五級</span><span style="font-size: 14px; font-family: 宋體;">:</span><span style="font-family: 宋體; font-size: 12px;">第一級為:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋體;">的大塊物質;</span></span><span style="font-family: 宋體; font-size: 12px;">第二級為:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋體;">的粗大顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第三級為:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋體;">的有機顆粒;</span></span><span style="font-family: 宋體; font-size: 12px;">第四級為:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋體;">的砂礫;</span></span><span style="font-family: 宋體; font-size: 12px;">第五級為:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋體;">的超細砂礫</span></span><span style="font-family: 宋體; font-size: 12px;">。污水通過回用裝置處理后再循環利用,廢氣通過除臭系統處置后達標排放。</span></span></p>
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