淀粉废水处理工程简介

UASB+,:,,,UASB0,60007000t,70%,:,,,,,,,,,,,,()1500m3/d:COD7000mg/L;BOD4000mg/L;SS5001000mg/L;30120mg/L;pH45;2025:,COD80mg/L;BOD40mg/L;SS70mg/L;25mg/L;pH6158152(1):,UASB,,,,,,;,13121Q:72120m3/hH:121015mN:715kW2(11)IS150-125-200Y160M-4Q:200m3/hH:1215mN:11kW2(11)IS100-80-100Y312S1-2Q:100m3/hH:1215mN:515kW2(11)BG65-20Q:25m3/hH:20mN:3kW2(11)BAJZ20/810:20m2:810mm810mmN:515kW1()50Vol129No132003©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(m3d)/h!2192163UASB1465154208142095415189417955353215354156321135535321533436200kg/d!85250700m3/d50%60%3/m3/h/pHUASBOOCOD/mg/LCOD/mg/L/%COD/mg/LCOD/mg/L/%COD/mg/LCOD/mg/L/%20010401301528615695017007515170025984182597371182001040228152861770251732751317322658417265767113200104032715276187030175075111750268841726876711620010404283061570001750751017502638510263757115200104052615296126500145077161450245831124563741320010406302861868001550771215502588314258677410200104072731615673815877614158725284112526574122001040826276186032142676131426223841422359731520010409292861865841527761815272438411243637411200104103128710594413807618138025281172526574124411UASBUASB,68kgVSS/m3,20m3,UASBCODCOD75%,,,,,,,,,15mm,8kgCOD/(m3d),COD75%UASB,pH618712,,Na2CO3CaCO3(,CaCO3),,,,UASB,pH,pH,,,,CaCO3,UASB,,,,,412,Vol129No13200351©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)214(2)()1147/m3UASB,6(1)UASB,UASB,(2),,,,(3),,,COD,,,,,ª:100044:[phone]:2002O7O15,50mg/L,2mg/L,10m3/h,,0,,60%70%,,,,,(5000MPas),(0196g/cm3),(58),,,,,,,,,,,,[19],,,,,;,,,,,10m3/h,52Vol129No132003©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(50)Abstract:InthispaperthewastewaterqualityandthetechnicaltopicofwastewatertreatmentfacilityofHongxingStarchManufactoryinBeijingarepresented.ThefacilitywithnormaltemperatureUASBreactorplussecondaryaerobicbiologicaltreatmenthasbeenstartedupandgoneintooperationsuccessively.Thisprojecthasadvantagesoflowinvestmentandoperatingexpenses,andeasytooperate.Alsoalotofenvironmentalandeconomicalbenefitshavebeenbroughtbythehighmethaneproductionandfaireffluent,whichmeetsthewastewaterdischargestandard.ReuseofDeeplyTreatedOilFieldWastewaterforHeatSupplyBoilerLeiLechengetal(52)Abstract:Heavycrudeoilwastewaterwastreatedbychemicalsiliconremoval,precisefiltrationandsofteningtomeetthewaterqualitystandardsofsteamboilers.Aftertreatment,thecontentofsiliconinwastewaterwascontrolledunder50mg/L,andtheoilandsuspendedsolidwasabout2mg/L,whereasthehardnesswasnotdetectable.Inthepilotplantexperimentwithcapacityofl0m3/h,theclearwatercouldbereplacedbytreatedheavycrudeoilwastewatertosupplythesteamboiler.Afterabouthalfyearsuccessfuloperation,noscaleoranyharmfulconditionswereobservedatthesteamboilertubes,itseemsworkwell.PrinciplesofWaterTankDesignRenFangetal(60)Abstract:Theinvestigationmadeforcompilationofthestandarddrawingalbumofwatertankshasshownthatthedesignedandpre2fabricatedwatertanksofvariousmaterialsdesignedarenotperfecttomeettherequirementofusers.Therulesandstandardsinwatertankdesignandfabricationarepresented,includingthematerial,designparameters,accessoriesandinstallationindications.OnWaterSystemDesignforHospitalBuildingLiHongkui(64)Abstract:Thehospitalbuildinganditsinstallationshavebeenimprovedmoreandmorewithadvancedinstrumentsfordiagnosisandtherapyinclinics.Theauthorthinksthattheautomaticsprinklingfirecontrolsystemshouldbeinstalledforanyhospitalbuildingwithcentralizedairconditionsystemandthenozzlesshouldbeinstallednotonlyatthepublicspace,butalsoattheward.Somepersonalopinionsrelatedtowatersystemdesignforhospitalbuilding,includingsomespecialattentions,theselectionofheatexchangersandclassificationofhospitalwastewateraredescribed.ApplicationofSandFilledFiberGlassReinforcedPlasticPipeinRawWaterConveyanceLineforaNuclearPowerStationWuHongbingetal(74)Abstract:Thesandfilledfiberglassreinforcedplasticpipewasadoptedfortherawwaterconveyancelineinanuclearpowerstation.Thisdecisionwasconfirmedunderinvestigationandcomparisonofmanyfactorssuchasthelocationofthepipeline,thewaterpressure,thenatureandcorrosionofthesoil,constructionconvenienceandmarketavailability.Somekeytechnicalissuesfacedindesignofthispipelinewithfulldistanceof3815km,includingtheriver2crossings,connectionlines,intermediateboostingpumpingstationsandwaterhammerbufferingetcarepresentedinthispaperbriefly.Besidethesealsothetreatmentoffieldengineeringaffairssuchasthefloodingoftrench,soilslip,installationofsteelsleeve,groundbasetreatmentinvarioussoilconditionsandsetupofpipeabutmentsarediscussedindetail.RepairofLargeSizeRiverCrossingSteelPipeHeJiangetal(76)Abstract:Bothwetanddryunderwaterweldingoperationsarepresentedtorepairtheburstattheweldingseamoflar