[1]刘丹婵,文敏,李超,等.重力式高速污泥浓缩技术用于城镇污水处理厂[J].中国给水排水,2026,42(4):114-119.
　LIUDanchan,WENMin,LIChao,et al.An Engineering Example of Gravity-based High-speed Sludge Thickening Technology at Certain Municipal Wastewater Treatment Plant[J].China Water & Wastewater,2026,42(4):114-119.
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重力式高速污泥浓缩技术用于城镇污水处理厂

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第42卷 期数: 2026年第4期 页码: 114-119 栏目: 出版日期: 2026-02-17
Title:
An Engineering Example of Gravity-based High-speed Sludge Thickening Technology at Certain Municipal Wastewater Treatment Plant
作者:
刘丹婵1,2， 文敏1,2， 李超2,3， 周翔宇1,2， 吴豪1,2
（1.湖南省环境保护入河湖湿地生态修复工程技术中心，湖南 长沙 410008；2.湖南鑫远环境科技集团股份有限公司，湖南 长沙 410029；3.桃源鑫远水务有限责任公司，湖南 常德 410008）
Author(s):
LIU　Danchan1，2， WEN　Min1，2， LI　Chao2，3， ZHOU　Xiangyu1，2， WU　Hao1，2
（1. Engineering Technology Center for Environmental Protection and Ecological Restoration of River-Lake Wetland in Hunan Province， Changsha 410008， China； 2. Hunan Xinyuan Environmental Technology Group Co. Ltd.， Changsha 410029， China； 3. Taoyuan Xinyuan Environmental Technology Co. Ltd.， Changde 410008， China）
关键词:
剩余污泥;  污泥浓缩;  重力式高速浓缩
Keywords:
excess activated sludge;  sludge concentration;  gravity?based high?speed concentration
摘要:
湖南省某城镇污水处理厂设计处理水量为45万m3/d，污泥包括一期集成固定膜活性污泥（IFAS）工艺剩余污泥、二期初沉污泥和生物滤池腐殖污泥、三期MBR剩余污泥，平均污泥量为6 346 m3/d，平均污泥浓度为6 160 mg/L。针对污泥量超过离心脱水机处理负荷、常规污泥浓缩池占地面积大等问题，建设了3套钢结构重力式高速污泥浓缩装置。实际运行结果表明，平均出泥量为3 291 m3/d，平均流量比为2.07，平均出泥污泥浓度为14 274 mg/L，平均浓缩比为2.42，浓缩效果达到设计要求。该装置处理费用为0.198元/m3，污泥脱水整体能耗节约39.67%，可有效进行浓缩、减容，占地少、全自动运行、配置灵活、建设周期短，且无总磷释放、跑泥问题。
Abstract:
The sewage treatment plant in a certain town in Hunan Province has a designed capacity of 450 000 m3/d. The sludge generated consists of excess activated sludge from phase Ⅰ IFAS, initial sedimentation sludge and biological filter humic sludge from phase Ⅱ, and excess activated sludge from phase Ⅲ MBR. The average sludge flow rate stands at 6 346 m3/d, with an average sludge concentration of 6 160 mg/L. To address the issues of sludge flow exceeding the capacity of centrifugal dewatering machines and the occupied area is large in conventional sludge concentration tanks, three sets of steel structure gravity-based high-speed sludge concentration devices has been constructed. The actual operation results show that the average sludge flow rate is 3 291 m3/d, the average flow ratio is 2.07, the average sludge concentration is 14 274 mg/L, and the average concentration ratio is 2.42. The ideal concentration effect meets the design requirements. The disposal cost for this device is 0.198 CNY/m3. The overall energy consumption of sludge dewatering is reduced by 39.67%. This device effectively concentrates and reduces sludge volume, with low land occupation, fully automatic operation, flexible configuration, short construction period, and no total phosphorus release and sludge leakage problems.

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更新日期/Last Update: 2026-02-17