资源描述：
《幼儿“伤食”,食疗有方》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、幼儿“伤食”,食疗有方TentativeplanandsuggestiononrealizingthegoaloftapwaterdirectdrinkingAuthor:Shenzhenwater(Group)Co.,Ltd.LuohubranchDeputymanagerandseniorengineerChenLixinMailingaddress:No.89,XiuNanStreet,newtalentvillage,Shenzhen,LuohuDistrictDeepwatergroupLu
2、ohubranchZipcode:518002Tel:13802212385075525112378E-mail:chenlixin@waterchina.comTwoyearsfour,JulyTentativeplanandsuggestiononrealizingthegoaloftapwaterdirectdrinkingChenShenzhenWaterAffairs(Group)Co.,Ltd.Luohubranch,zipcode:518002I.GeneralSituationofpi
3、penetworkLuohubranchwithinthejurisdictionoftheexisting96433users,theaveragedailywaterconsumptionof246thousandand800cubicmeters,whichistheproportionofallkindsofwater:residentsofwater21.91%,25.49%residentsofthe6.65%collective,municipalsanitation,industria
4、lwater6.41%,commercialconstructionindustry36.58%,atotalof2.96%otherwater.WaterpipeinthemunicipalpipeaboveDN200totallengthofmorethan123kilometers,municipalpipeismainlycastironpipe,steelpipe,reinforcedconcretepipe,theuseofDN15-DN100pipeinthepipenetworkism
5、ainlygalvanizedsteelpipe.Thecompanyin2000afterthepipenetworktransformationandthenewnetworkandvigorouslypromotetheuseofhardpolyvinylchloride(UPVC),polyethylene(PE)pipeandsteelplasticcompositepipe,accordingtoincompletestatistics,allkindsofnewpipewithatota
6、llengthofabout25kmofUPVCpipe,PEpipe12km,12kmofsteeltubes.Theareawithinthetotalvalve2868,thevalveseat6DN2200rawwater,tapwaterpipevalveofDN1200-1,DN1000-40,DN800-27,DN600-87,DN500-10,DN400-123seat,43seatmudvalve,exhaustvalveseat49.Atotalof1214firehydrants
7、,includingmunicipalroadfirehydrants750,firehydrants464.Twoexistingpumpingstations22,3seatshavebeendisabled.Thetotalnumberofserviceusersofthetwopressurepumpingstationsisabout13000,thedailyaveragewatersupplyis6000cubicmeters,andthetotalcapacityofthepressu
8、rizedpumpingstationis4705cubicmeters.Thelargestareaofwatersupplypumpingstationforclothstation,serviceusersmorethan7000households,thedailywatersupplycapacityofover3000cubicmeters.Two.Waterqualitystatus1、waterqualityofmanufacturedw
