SHAOZhi-gang,SHIFu-sheng,GULing-yan.Application of Low-temperature Vacuum Dewatering and Drying Technology in Sludge Treatment in Shenzhen[J].China Water & Wastewater,2025,41(4):131-136.
低温真空脱水干化技术在深圳污泥处理中的应用
- Title:
- Application of Low-temperature Vacuum Dewatering and Drying Technology in Sludge Treatment in Shenzhen
- Keywords:
- sludge drying; water purification plant; low-temperature vacuum dewatering and drying technology; drying efficiency
- 摘要:
- 深圳市某大型水质净化厂首次引进污泥低温真空脱水干化技术,已运行一年有余。根据对该技术相关数据的持续监测,分析总结了该技术在出泥含水率、干化效率、滤液含固率、设备故障率及运行成本方面的特点。从运行数据分析来看,低温真空脱水干化技术具有能耗及药耗较低、污泥干化效果好、环境友好等优势,但维修成本较高。
- Abstract:
- A large-scale water purification plant in Shenzhen has introduced low-temperature vacuum dewatering and drying technology and has operated for over a year. According to the continuing monitoring of the technology data,the characteristics of sludge moisture content, drying efficiency, solid content of filtrate, equipment failure rate and running cost were analyzed and summarized. From the analysis of operational data, it can be seen that the low-temperature vacuum dewatering and drying technology has the advantages of low energy and chemical consumption, good sludge drying effect, environmentally friendly and so on. However, the technology has high maintenance costs.
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