CHENKai,LIRong-guang,ZHENGJing-xing,et al.Upgrading Case of a Conventional Waterworks in Tianjin[J].China Water & Wastewater,2024,40(24):75-80.
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Upgrading Case of a Conventional Waterworks in Tianjin

China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU] volume: 第40卷 Number: 第24期 Page: 75-80 Column: Date of publication: 2024-12-17
Author(s):
CHEN　Kai1;  LI　Rong-guang2;  ZHENG　Jing-xing3;  ZHOU　Yao1;  LI　Zhi-peng1;  MA　Bin3
（1. Tianjin Water Group Binhai Water Co. Ltd.， Tianjin 300300， China； 2. Tianjin Water Group Co. Ltd.， Tianjin 300042， China； 3. Tianjin Jingang Water Co. Ltd.， Tianjin 300450， China）
Keywords:
mechanical accelerated clarifier;  siphon filter;  automatic control system
Abstract:
A waterworks in Tianjin using conventional treatment process for over 20 years is extremely in need of upgrading, due to old process equipment, low degree of self-control and limited water production capacity. It could effectively guarantee the safety and stability of water supply even when the raw water quality fluctuated and the water supply demand increased, through transformation of the mechanical accelerated clarifier and siphon filter, adding the automatic control system, improving the intelligent level of the waterworks. After the renovation, the comprehensive consumption of single water supply pump is reduced to 0.20-0.25 kW·h/m3, the dosage of coagulant is significantly reduced, the turbidity removal rate of the filter is increased to 70%-80%, and the outlet water pressure is stable between 0.32-0.34 MPa. Under the condition of increasing daily water quantity, all the water quality indexes meet the standard.
Last Update: 2024-12-17