反应池与沉淀池合建的设计与施工要点

徐宝剑,董丽(佛山市伟恒集团有限公司,广东佛山528000):为节省占地和投资,广东四会市某小型供水厂扩建工程将反应池与沉淀池进行了合建重点介绍了斜管沉淀池的设计参数以及设计施工所遇问题的解决办法:反应池;斜管沉淀池;集水装置;抗浮措施:X703.1:C:1000-4602(2004)08-0061-03DesignandConstructionKeyPointsofIntegratedReactionsedimentationTankXUBaojian,DONGLi(FoshanWeihengGroupCo.Ltd.,Foshan528000,China)Abstract:Inordertosavelandoccupationandcapitalinvestment,integratedreactionsedimentationtankwasbuiltinexpansionprojectofasmallscalewatersupplyplantofSihuiCityinGuangdongProvince.Theintroductionwasmainlygiventothedesignparametersandsolutionsforproblemsoccurringindesignandconstructionofinclinedtubesedimentationtank.Keywords:reactiontank;inclinedtubesedimentationtank;watercollectingequipment;antifloatationmeasures1工程概况,4.5104m3/d,5.0104m3/d,(1.5104m3/d),1.5104m3/d,,,,11Fig.1Flowchartofawatersupplyplant,,!12,2.3m2.3m,30min,1.0m/s0.2m/s,G42.7s-1,GT5.31048m10m,4.6m,0.3m∀10m8m,4.4m,0.3m,0.9m,23min,#,,:a.,,b.,,∃61∃2004Vol.20CHINAWATER&WASTEWATERNo.8c.2设计经验21,150NTU,80NTU,,,11NTU,:,;!,;∀,,,,30min,,,,3~5NTU222.2.1v=2.5mm/s,10m8m,,0.3m,1.3m,1.0m,0.9m,0.87m,,2.2.2,,,,,:a.,(8m),,5mb.,,:,;;,c.45%50%,,,,,!60%,,,,,,,∀,,Q=w(2gH)1/2,w,QH1/2,,90%,Q=1.4H5/2,QH2.5,,#,,,150~200m3/(m∃d),500m3/(m∃d),∃62∃2004Vol.20No.8,,&2mm,,∋0.5m1m,,,((90%),,,,:a.,,,;b.,,60%,,,,98~147N,)1,,,8mm,,,3施工经验,:,3mm;!,10mm/m2;∀,10cm2/m2;#,10mm,∋,,4运行中出现的问题与解决措施,,,0.16~0.17mg/L,5~10d5结语,,,,,,,,:[phone]E-mail:[e-mail]:2004-03-19∃∃浙江省富阳市八一污水处理厂工程该工程处理规模:15104m3/d,处理工艺:厌氧/好氧,占地面积:13.33hm2,服务范围:5个行政村和35家造纸企业的生产废水及生活污水,投资额:2.47亿元,资金来源:德国政府贷款(800万美元)+国内银行贷款+企业自筹,建设周期:2002年5月∗2005年设计单位:中国市政工程华北设计研究院,建设单位:杭州板桥纸业有限公司目前该工程正处于土建施工阶段()∃63∃2004Vol.20No.8