LIANG Yuan,LIU Di,ZHOU Lin-qiang,et al.Transformation and Operation of Sludge Deep Dewatering Project in Suzhou Hi-tech Venous Industrial Park[J].China Water & Wastewater,2021,37(12):141-144.
苏州高新静脉产业园污泥深度脱水工程改造与运行
- Title:
- Transformation and Operation of Sludge Deep Dewatering Project in Suzhou Hi-tech Venous Industrial Park
- 摘要:
- 苏州高新区现有5座污水处理厂，总设计处理规模28×104 m3/d，污泥产量约180 t/d，但已建成的污泥处置能力不足，不能满足污泥处理要求，需进行技术改造。2020年初，对地磅、接收车间、接收仓、外接电、给排水系统等进行改造，增加了深度脱水带式机。改造后项目处理规模为100 t/d，通过药剂调理和机械压榨，将污泥含水率从80%降至60%。污泥深度脱水后，热值显著提升，性质更加稳定，最后运至苏州华能电厂进行协同焚烧处置。目前该项目运行稳定，出泥含水率58%~60%，污泥减量35%~40%。
- Abstract:
- There are five sewage treatment plants in Suzhou high-tech zone. The total design treatment capacity is 28×104 m3/d, and the sludge output is about 180 t/d. However, the sludge disposal capacity is insufficient, which cannot meet the sludge treatment requirements, so it is necessary to carry out technical transformation. At the beginning of 2020, the weighbridge, receiving workshop, receiving warehouse, external power supply, water supply and drainage system were transformed, and the deep dewatering belt dehydrator was added. After the transformation, the treatment capacity of the project is 100 t/d (water content is 80%), and the water content of sludge is reduced from 80% to 60% by medicament conditioning and mechanical pressing. Through deep dewatering, the calorific value of the sludge also increases significantly, and the properties become more stable. Finally, the sludge will be transported to Suzhou Huaneng Power Plant for coordinated incineration. The project runs stably, with output sludge water content of 58%-60% and sludge reduction rate of 35%-40%.
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LIN Ming,ZHUANG Yi xuan,LI Jian,et al.Technological Transformation of Sludge Treatment System in a WWTP[J].China Water & Wastewater,2018,34(12):109.
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