裴 宁1, 李子龙2, 赵俊山3, 武 装4(1.哈尔滨绍和供水有限公司,黑龙江哈尔滨150086;2.北京市市政集团第一工程处,北京100078;3.广州恒量建设工程有限公司北京分公司,北京100084;4.北京科技园置业股份有限公司,北京100086) : 介绍了哈尔滨绍和水厂自控系统改造的情况,对改造前、后净水工艺(加药、反应搅拌、刮泥排泥、加氯、过滤等)控制方式以及自控系统运行效果进行了比较,并总结了自控系统运行两年来的实践经验和体会。改造结果表明,除了水质得到进一步提升外,制水成本降低了17%,产水能力增加了343×104m3/a。 : 净水厂; 自动化控制; 技术改造:TU99 :C :1000-4602(2009)10-0052-04ReconstructionofAutomaticControlSystemofSaurWaterworksinHarbinCityPEINing1, LIZi-long2, ZHAOJun-shan3, WUZhuang4(1.HarbinSaurWaterSupplyCo.Ltd.,Harbin150086,China;2.FirstEngineeringDepartment,BeijingMunicipalGroup,Beijing100078,China;3.BeijingBranch,GuangzhouHengliangConstructionEngineeringCo.Ltd.,Beijing100084,China;4.BeijingScienceParkDevelopmentCo.Ltd.,Beijing100086,China) Abstract: ThereconstructionofautomaticcontrolsysteminHarbinSaurWaterworksisintro-duced.Thecontrolmethods,suchaschemicalsdosing,reactionmixing,mudscrapinganddischarging,chlorination,filtrationandtheoperationeffectoftheautomaticcontrolsystembeforeandaftertherecon-structionarecompared.Thepracticalexperienceoftheautomaticcontrolsystemoperatedfortwoyearsissummarized.Thewaterqualityisimproved,thecostforproducingwaterisreducedby17%,andtheca-pacityforproducingwaterisincreasedby343×104m3/a. Keywords: waterworks; automaticcontrol; technicalreconstruction 19946,1996,22.5×104m3/d。,1。———μXL,,、,。1 Fig.1 Flowchartofwatertreatmentprocess·52·第25卷 第10期2009年5月 中国给水排水CHINAWATERWASTEWATER Vol.25No.10May20091 改造前存在的问题μXL,,:① 。,,,,,。② 。,、,。,、、,,。μXL2000,、,、、,,。,μXL32,64,。2 改造目的和方案2.1 、、、,。:① 、、、,,,。② 、,PLC+PC。③ ,。④ ,,,、,。⑤ ,,。。⑥ ,。⑦ ,。⑧ 、,。2.2 。。(、、、、),,,。,。,。RSview32,SQLserver2000。ControlLogix1756,,。、PLC。:① 。、(、、)。,(StreamingPotentialSystems,SPS)。、、,,,。② 。3,、、、。、,2,。,。PID。、、,。·53·裴 宁,等:哈尔滨绍和水厂自控系统改造实践第25卷 第10期③ 。,、,,、。3 改造前、后的运行效果比较3.1 ,,(2006、2007)(2004、2005),1~4。1 、Tab.1 ComparisonofturbiditybeforeandafterreconstructionNTU 200420052006200711.191.290.670.6720.931.280.660.6631.061.160.850.7640.770.750.560.5550.960.830.760.7560.800.750.610.6070.640.670.470.4580.550.660.590.6090.690.600.540.55100.670.670.650.65110.730.680.620.59120.850.850.520.550.820.850.630.612 、Tab.2 Comparisonofcolorbeforeandafterreconstruction 200420052006200717.06.25.05.027.07.05.05.137.06.15.35.146.05.15.15.057.05.35.15.067.05.15.05.075.05.05.05.085.05.15.05.095.05.25.05.1105.05.15.05.0115.05.75.15.1125.05.05.25.26.05.55.15.13 、Tab.3 Comparisonofammonianitrogenbeforeandafterreconstructionmg·L-1 200420052006200711.743.222.192.1822.113.292.482.5632.112.702.582.4541.701.571.811.3050.460.300.410.2060.190.150.130.1170.160.120.070.0280.190.150.030.0290.230.190.060.01100.250.220.100.02111.570.750.220.18122.301.291.081.061.081.160.920.844 、CODMnTab.4 ComparisonofCODMnbeforeandafterreconstructionmg·L-1 200420052006200712.832.642.452.4022.843.372.452.4232.993.362.492.5042.783.392.442.5153.134.102.542.1563.155.442.012.1072.452.552.522.1082.182.472.222.3292.122.492.372.04102.152.562.192.10112.112.772.512.25122.512.132.152.052.603.112.382.253.2 20062005(5—11)5。5 20062005Tab.5 Comparisonofoperationalcostbetween2006and2005·m-3 56789101120050.3910.4000.3830.3610.3720.4480.6810.43320060.3810.3620.3240.3900.3070.3310.4230.359 : 、、。·54·第25卷 第10期 中国给水排水 5,17%,3。200520066。6,343×104m3/a,75910kW·h/a(),422t/a。6 20052006Tab.6 Comparisonofoperationbetween2006and2005567891011/(104m3)2005649.6674.2680.0808.0678.0690.1540.44720.32006646.3756.7783.5776.6727.1761.0696.35147.5/(104m3)2005620.8644.1649.9771.8648.2665.6524.84525.22006622.2712.0744.0732.0686.0715.0657.04868.2/(104m3)20053.93.74.14.44.310.59.340.2200610.58.74.54.54.69.08.049.8/(kW·h)200539530380504413042780472206168076590349980200647310321803172035280342203908054280274070/t/(g·m-3)/t/(g·m-3)200520066646066458164744984694172102909510170728788473534539707438521538375073716991606877734 改造体会① ,,,。② ,,,。,、、,。:[1] .[J].,2005,31(7):7-12.[2] ,.[J].,2005,21(12):32-33.[3] ,.μXL[J].,1995,21(9):9-10.:13391812038E-mail:mady7802@163.com:2008-12-23··淮安市四季青污水处理厂改扩建项目 四季青污水处理厂改扩建项目是在其原5hm2占地内进行的升级改造工程,处理规模为6.5×104m3/d,出水排入清安河。原四季青污水处理厂主要处理清浦区的部分生活污水和淮安西南片的部分工业废水,采用AB工艺,出水执行《污水综合排放标准》(GB8978—1996)的二级标准,改造后执行《城镇污水处理厂污染物排放标准》(GB18918—2002)的一级B标准,待扩建工程实施时,统一执行一级A标准。改造后采用改良A/A/O工艺,紫外线消毒,污泥经浓缩脱水后外运进行卫生填埋。建设总投资:5214.86万元。建设单位:淮安市环源城市排水有限公司。设计单位:中国市政工程华北设计研究总院。施工期:2009年4月—2010年5月。目前已经完成环评、可研、初步设计的评审和审批等前期工作。( )·55·裴 宁,等:哈尔滨绍和水厂自控系统改造实践第25卷 第10期