[1]贺阳,袁绍春,蒋彬.新地方标准背景下污水处理项目的设计变更与实践[J].中国给水排水,2021,37(8):78-82.
　HE Yang,YUAN Shao-chun,JIANG Bin.Design Change and Practice of Sewage Treatment Project under the Background of New Local Standards[J].China Water & Wastewater,2021,37(8):78-82.
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新地方标准背景下污水处理项目的设计变更与实践

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第37卷 期数: 2021年第8期 页码: 78-82 栏目: 出版日期: 2021-04-17
Title:
Design Change and Practice of Sewage Treatment Project under the Background of New Local Standards
作者:
贺阳1,袁绍春2，蒋彬2
(1.中国市政工程西南设计研究总院有限公司，四川成都610081；2.重庆交通大学水利水运工程教育部重点实验室，重庆400074)
Author(s):
HE Yang1,YUAN Shao-chun2,JIANG Bin2
(1. Southwest Municipal Engineering Design & Research Institute of China， Chengdu 610081， China; 2. Key Laboratory of Ministry of Education for Hydraulic and Water Transport Engineering, Chongqing Jiaotong University, Chongqing 400074, China)
关键词:
设计变更; 多级AO; 深床反硝化滤池; 深度处理
Keywords:
design change; multi-stage AO; deep bed denitrification filter; advanced treatment
摘要:
四川省内江市第二污水处理厂总规模为10×104 m3/d，其中一期设计规模为5×104 m3/d。根据《四川省岷江、沱江流域水污染物排放标准》（DB 51/2311—2016）的排放要求，将原设计中的预处理/改良型A2O/纤维滤池/紫外消毒组合工艺，变更为预处理/多级AO/高效沉淀池/深床反硝化滤池/次氯酸钠接触消毒组合工艺，并利用WEST软件对多级AO除磷脱氮工艺建立仿真模型，取得了较优的运行参数。工程实践结果表明，对TN、SS、TP、COD、NH3-N、BOD5的去除率分别达到81.8%、98.3%、94.8%、91.1%、97.3%、93.3%，出水水质符合地方排放标准的要求。本工程适时进行设计变更，有效避免了投资上的浪费。
Abstract:
The total treatment capacity of the Neijiang second sewage treatment plant in Sichuan Province is 10×104 m3/d, and the design treatment capacity of the first phase is 5×104 m3/d. According to discharge requirements of Minjiang River and Tuojiang River Basin Water Pollution Discharge Standards of Sichuan Province (DB 51/2311-2016), the original combined process consisting of pretreatment, modified A2O, fiber filter and UV disinfection was changed into pretreatment, multi-stage AO, high efficiency sedimentation tank, deep bed denitrification filter and sodium hypochlorite contact disinfection. A simulation model of multi-stage AO dephosphorization and denitrification process was established by using WEST software, and optimal operational parameters were obtained. The removal efficiencies of TN, SS, TP, COD, NH3-N and BOD5 reached 81.8%, 98.3%, 94.8%, 91.1%, 97.3% and 93.3%, respectively, and the effluent quality met the discharge requirements of local standards. Design of the project was changed in time, which effectively avoided the waste of investment.

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更新日期/Last Update: 2021-04-17