凝結(jié)水和鍋爐給水管道系統(tǒng)化學(xué)清洗程序

1、ProcedureforChemicalCleaningofcondensateandfeedwaterpipelinesystem凝結(jié)水和鍋爐給水管道系統(tǒng)化學(xué)清洗程序1.0SCOPES圍ThisprocedurecoversthechemicalcleaningofPre-Boiler(Condensateandfeedwaterpipesystem)forSumsel-52x150MWCoalFiredSteamPowerPlantProject該程序是Sumsel-52x150MW然煤發(fā)電廠項目的鍋爐前(凝結(jié)水和給水管道系統(tǒng))化學(xué)清洗。2.0PURPOSE的Thepurposeistoc

2、leartheimpuritiesfrominnersurfaceofthepre-boilerwaterpipeline,suchasmetaldebris,oxide,oil,dust,andmetaloxideproducedininnersurfaceduringequipmentmanufacturingandinstallation,andtoensurethewaterandsteamqualityofpre-boilerwatersystem.3.0RESPONSIBILITIES工作職責(zé)TheT/GAreaManagershallmakesurethatisimplement

3、edatsiteimplementation ofin chemical cleaning is汽輪發(fā)電機(jī)區(qū)域經(jīng)理應(yīng)確保在施工現(xiàn)場實(shí)施化學(xué)清洗。ThePipingSuperintendentorengineersareresponsibleforthisinstruction.Hehastocheckthatrequirementproperlyadheredtoasindicatedinthisinstruction.管道主管或工程師負(fù)責(zé)執(zhí)行該措施。他們應(yīng)在化學(xué)清洗期間檢查,要求正確地履行這個措施。ThechemicalcleaningSupervisorisresponsibleforth

4、earrangementofallprocessesinvolvedintheexecutionofchemicalcleaningwork.Hehastomakesurethatstandardcodepracticeisappliedaccordingly.化學(xué)清洗主管應(yīng)負(fù)責(zé)所有進(jìn)程的安排，參與化學(xué)清洗工作的執(zhí)行。他必須確保標(biāo)準(zhǔn)慣例相應(yīng)的執(zhí)行。TheQA/QCpersonnelinchargeofchemicalcleaningareresponsibleinassuringthattherequirementinthisprocedureareproperlyimplementedand

5、followed.QA/QC人員負(fù)責(zé)化學(xué)清洗，負(fù)責(zé)確保本程序的要求正確地實(shí)施和跟蹤。CLEANINGSCOPE!洗范圍Thecondensatesystemandboilerfeedwatersystem.(MecanicalCleaningafterandbeforeDearatorandCondensate)凝結(jié)水系統(tǒng)和鍋爐給水系統(tǒng)(在除氧器和凝結(jié)水前后機(jī)械清洗)。NecessaryPreconditionCheck所需要的預(yù)先檢查Thefollowingsystemsmustbenormalandcanbeputbeoperationseparatelyandhavecorrespond

6、ingoperationmeasures.下列系統(tǒng)必須正常,可以單獨(dú)操作并且有相應(yīng)的操作措施。Hydraulicpressuretestforthesystemmustbefinish.系統(tǒng)水壓試驗(yàn)必須完成。Insulationinthesystemshouldbe.pleted.系統(tǒng)保溫應(yīng)當(dāng)完成。FinishthetrialoperationofCondensateTransferPumpsandCondensateDrainpumpsandfeedwaterpumps.凝結(jié)水輸送泵，凝結(jié)水排放泵和給水泵運(yùn)行完成。Finishthetrialoperationofpneumatic&moto

7、rizedofShutoffvalve.氣動和電動截止閥試運(yùn)行完成。Condensate,Feedwater,andtemporarysystemhavebeenmateheatinsulation.凝結(jié)水，給水和臨時系統(tǒng)已經(jīng)配備熱力保溫。Beforealkalicleaning,alltherelatedsystemsshouldbecheckedandconfirmedbytherelatedgroups.Allkindsofdesuperheatingwatershouldbe.pletelycloseoff.在堿洗之前，所有相關(guān)的系統(tǒng)應(yīng)檢查，并且由相關(guān)人員確認(rèn)。所有減溫水系統(tǒng)應(yīng)當(dāng)完全關(guān)

8、閉。Theaccessisunblockedandthelightingisenoughatfield.Thereisreliable.municationequipment.現(xiàn)場通道暢通和照明足夠。有可靠的通信設(shè)備Preparequalifiedchemicalsforalkalicleaning.合格的化學(xué)藥品應(yīng)準(zhǔn)備用于堿沖洗。Duringchemicalcleaningperiod,thereshouldbecontinuouslyindustrialwatersupply,demineralizedwatersupply,steamsupply,wastefluiddischargea

9、nddisposalcondition.Keepfullofindustrialwateranddemineralizedwaterinadvance,boilermake-upwaterprocessingsystemshouldhavecontinuousoperatingcondition.化學(xué)清洗期間，應(yīng)該有連續(xù)的工業(yè)供水、除鹽水供應(yīng)、供汽、廢液排放和廢物處理條件。預(yù)先保持充足的工業(yè)水和除鹽水，鍋爐補(bǔ)給水處理系統(tǒng)應(yīng)在連續(xù)操作狀況。The.mander,operator,troubleshooters,andchemicalsanalyzersarequalified.指揮員，操作員，維

10、修員，化學(xué)分析儀員應(yīng)均為有資格的人員。Dischargesystemisunblocked,washwatertankandneutralizationtankarequalified.排放系統(tǒng)應(yīng)暢通，清洗水箱和中和箱應(yīng)是合格的。6.0TemporaryMajorEquipmentandTools臨時主要設(shè)備和工具6.1CondensateSystem凝結(jié)水系統(tǒng)TemporaryLineisfromChemicalDozingPumptoCondenserHotWell.臨時管道是從化學(xué)加藥泵到凝汽器熱井管道.6.2WaterRequirementforAlkaliCleaning堿洗水需求量

11、No.Equipment設(shè)備Volume(m3)體積1Deaerator除氧器140n32CondenserTank凝汽器水箱220ms3PipingCondenser凝汽道22m34PipingFeedWater給水管道17m35HPHeater1高力口22m36HPHeater2高力口21m37HPHeater3高力口m38LPHeater4低加6n39LPHeater5低加6n310LPHeater6低加6n3TOTAL總計460m36.3ChemicalRequirementforAlkaliCleaning堿洗化學(xué)品需求量No.Chemical化學(xué)品Concentration濃度Qu

12、antity數(shù)量1TSP1%4.600kg2DSP0.6%2.760kg3Detergent清洗劑0.05%230kg4AntiFoaming(ifNeeded)防泡沫劑(如果需要的話)7.0ALKALICLEANINGPROCEDURE青洗程序InitialWaterFillingtothePipingSystem,StartCirculatingWaterPumpandCheckwaterleakage,andmakesurethereisnoleakageatallconnection.Themixingtank(ChemicalDozingpoint)willuseCondenserH

13、otwell.初始加水到管道系統(tǒng),啟動循環(huán)水泵,檢查滲漏情況,確保整個連接系統(tǒng)無泄漏。混合箱(化學(xué)加藥點(diǎn))將使用凝汽器熱井。Ifthetemperaturewatercouldnotreach60-800C,thenInjectsteamfromauxiliarysteamsystemtoDeaeratortokeepthewatersolutiontemperatureupto60-800C。如果水溫度不能達(dá)到60-80度,然后從輔助蒸汽系統(tǒng)注入蒸汽到除氣器，保持水的溶解溫度高達(dá)60-80度。FillAlkali/DegreasertocondenserHotwellandkeepthepH

14、10-12.加入堿/脫脂劑到凝汽器熱井和pH值10-12。Circulate8-10hourscontinuouslyandcheckthePHandOilContentevery30minute.循環(huán)持續(xù)8-10小時，每30分鐘檢查PHffi和含油量。StopCirculationPumpiftheoilcontentreachthestablevalue(Threetimes).停止循環(huán)泵，如果含油量達(dá)到穩(wěn)定值(三次)。Drainthesolutionandpumpouttothepermanentwastepond.排放溶液并且泵出到永久廢液池內(nèi)。LineupCleanwatertoth

15、epipingsystem.管道系統(tǒng)加入清潔水。Startcirculationpumpupto2hours.啟動循環(huán)泵2個小時。TakesampleandanalyzedvalueofpH,andturbidityeveryonehour.(VisuallyclearwaterandpH=7-9).取樣并分析PH值，每個小時渾濁度檢查(外觀清潔水PH=7-9).Draintherinsingwatertothepermanentwastepond.Re-fillingwithfreshwaterandstartcirculationagain.Thisprocedureshallbedone

16、untilthewatervisuallyclearandclean.排放沖洗水到永久的廢料池。重新加淡水和重新開始循環(huán)。這個過程應(yīng)當(dāng)做直到水在視覺上清晰和干凈。AlkaliCleaningCirculationRoute堿清洗循環(huán)路徑CondenserHotWelluseasMixingTankandCondensatePumpandFeedWaterPumpuseforMainCirculatingPump.DetailCirculationrouteasbelow.凝汽器熱井用于混合箱，凝結(jié)水泵和給水泵用于主循環(huán)泵。詳細(xì)循環(huán)路徑如下：CondensateSystem,LPHeateran

17、dBoilerFeedWaterSystemandDeaerator.凝結(jié)水系統(tǒng)，低壓加熱器，鍋爐給水系統(tǒng)，除氧器。Chemicalcleaningwastetreatment化學(xué)清洗廢物處理AlkalicleaningandWaterrinsingwastearedischargedtounitdrainagetransfertothewastewaterpondforfurthertreatment.堿清洗和水沖洗廢物排放到廢水池，將來進(jìn)行進(jìn)一步處理。10.0Exclusion除外Equipmentandpipingaccessorieswhichshouldbedismantledwhe

18、nchemicalcleaningProcess。在化學(xué)清洗完成后，設(shè)備和管道配件應(yīng)拆除。 TOC o 1-5 h z Boiler10tonauxiliary輔助鍋爐10噸MixingTank10m3攪拌箱10m3Mixingpump70m3攪拌泵70m34)Panelpump泵盤柜Spectrophotometer,pHmeter分光光度儀，PH儀。6)Conductivitydigitaltemperature數(shù)字溫度導(dǎo)電率。11.0Safetyprecaution安全預(yù)防措施Thechemicalcleaningpersonnelmustbequalifiedtraining.plet

19、eandenoughindividualguardgoodsareprepared.Theindividualguardgoodsmainlyincludes:rubbergloves,rubbershoes,protectiveglassesandprotectivemask.化學(xué)清洗人員必須經(jīng)過合格的訓(xùn)練。準(zhǔn)備齊全和充足的個人防護(hù)設(shè)備。個人防護(hù)設(shè)備包括：橡膠手套，橡膠鞋，防護(hù)性眼鏡和防護(hù)性面具。Electricwelding,firesourceandsmokingareprohibitedontheboilerandinthefieldduringchemicalcleaning.Hig

20、haltitudeworkisprohibitedabovecleaningpanel,temporarylaboratorytestanddutyroomtopreventmattersdroppingfromhighplace.化學(xué)清洗期間禁止在鍋爐上和本區(qū)域內(nèi)電焊，火源和煙。禁止清洗盤柜的高空作業(yè)。臨時實(shí)驗(yàn)室和值班室負(fù)責(zé)阻止高空墜落事宜。Enoughfoamandfireextinguishersshouldbepreparedforchemicalcleaninginfield.Thematerialsandtoolsforurgentrepairandeliminatingdefec

21、tsuchassteelwire,andacidresistantrubbershouldbeprepared.在化學(xué)清洗現(xiàn)場準(zhǔn)備足夠的滅火泡沫和滅火器。用于緊急修改的材料的工具以及剔除缺陷的工具，例如，鋼絲繩，耐酸橡膠等需準(zhǔn)備好。Thelightingsystemisenoughinfield.現(xiàn)場應(yīng)有充足照明系統(tǒng)。Makebarricadefromcolortapearoundtheboiler,pumproomandcleaningtank,andthealarmingsignswithnotablewritingof“NOSMOKINGANDFIRE”“NOADMITTANCEXCEP

22、TONBUSSINUS”E“DANGEROUASCIDLIQUIT”etc.用彩色膠帶做成路障圍在鍋爐，泵房和清洗泵周圍。警示標(biāo)牌需用顯著地文字標(biāo)注，例如NOSMOKINGANDFIRE(禁止煙火)，NOADMITTANCEEXCEPTONBUSINESS閑人免進(jìn))，DANGEROUASCIDLIQUIT(危險酸性液體).Removeallunnecessarygoodsremainednearthesystemandintheaccessorstairafterthe.pletionofinstallationtoguaranteeunblocksaccess.在安裝完成后撤除所有在系統(tǒng)附近

23、，通道內(nèi)或者樓梯內(nèi)的不必要的物品以保證通道暢通。Thepersonnelcontactingacidandammoniashouldbeinstructedinadvanceand接觸酸和氨的人員應(yīng)提前通知，并穿上防酸工服和橡膠體罩，橡膠鞋，橡膠 鏡和面具。wearacidresistantclotheswithrubberhood,rubbershoes,rubberglove,protectiveglassandprotectivemask.手套，防護(hù)性眼Allchemicalsarequalifiedsubjecttocheck;theinhibitorisqualifiedsubjecttosmallscaletestinfield.所有化學(xué)品都需檢查；抑制劑需要在現(xiàn)場小范圍內(nèi)試驗(yàn)。Theoperationmeasuresofsatisfyingalkaliboiling-outprocessrequirementshavebeenmate.堿煮爐工藝要求操作措施已一致。Thereshouldhavedo