三維石化污水回用項(xiàng)目方案

1、山東三維石化工程股份有限公司100T/h污水回用系統(tǒng)方案書(shū)ShandongSunWayPetrochemicalEngineeringCo.,LtdProposalfortheInstallationof100T/hSewageRecoverySystemNo.WD08062009上海瑞璋環(huán)境工程有限公司ShanghaiRazanEnvironmentEngineeringCo.,Ltd.二00九年八月一、公司簡(jiǎn)介上海瑞璋環(huán)境工程有限公司，為中國(guó)膜處理協(xié)會(huì)會(huì)員，中國(guó)化工協(xié)會(huì)工業(yè)水處理專(zhuān)業(yè)委員會(huì)會(huì)員，中國(guó)電力行業(yè)協(xié)會(huì)化學(xué)標(biāo)準(zhǔn)委員會(huì)會(huì)員，中國(guó)鍋爐水處理協(xié)會(huì)會(huì)員，通過(guò)ISO9001-2000國(guó)際質(zhì)量

2、體系認(rèn)證。依靠雄厚的技術(shù)實(shí)力，已為國(guó)內(nèi)數(shù)百家客戶提供了純水與超純水、工業(yè)廢水及生活污水處理以及工業(yè)循環(huán)水、中央空調(diào)水、鍋爐水的工程服務(wù)，涉及全國(guó)各地的化工、冶金、電子、輕工、電力等領(lǐng)域，在保護(hù)環(huán)境和保證系統(tǒng)正常運(yùn)行等方面取得了實(shí)效，并獲得了巨大經(jīng)濟(jì)效益和社會(huì)效益。在公司的發(fā)展中，瑞璋環(huán)保繼續(xù)與國(guó)外知名專(zhuān)業(yè)公司的緊密合作，針對(duì)不同地區(qū)水質(zhì)特點(diǎn)及客戶控制要求，聯(lián)手開(kāi)發(fā)新產(chǎn)品及現(xiàn)有產(chǎn)品的更新?lián)Q代，已在純水與超純水、污水處理裝置的改造，運(yùn)營(yíng)管理，新建環(huán)保設(shè)備機(jī)電安裝工程，工業(yè)領(lǐng)域內(nèi)的化學(xué)清洗劑、環(huán)保型循環(huán)水處理劑、新一代鍋爐水處理劑、污水處理劑、漆霧凝聚劑、油田化學(xué)品等多項(xiàng)新產(chǎn)品的市場(chǎng)開(kāi)發(fā)與市場(chǎng)推廣中

3、取得了理想的成效。在公司市場(chǎng)拓展中，公司已在廣西、昆山、蘇州、無(wú)錫、杭州、南通、石家莊等地設(shè)立分公司及辦事處，直接為客戶提供優(yōu)質(zhì)的服務(wù)，讓利于客戶。堅(jiān)持以高科技求發(fā)展，以高質(zhì)量求生存，以?xún)?yōu)質(zhì)服務(wù)求信譽(yù)”，為客戶提供一體化的水處理服務(wù)(TheWH2OLESolution)。我們將在服務(wù)中信守節(jié)省客戶成本，確?？蛻魧①Y源集中于公司核心業(yè)務(wù)”的承諾，為客戶提供優(yōu)質(zhì)服務(wù)。GeneralStatusoftheCompanyShanghaiRazanEnvironmentalEngineeringCo.,Ltd.,isanISO9001approvedhigh-techenterpriseengagedi

4、ntheResearch&Development,design,production,andmarketingofwatertreatmentchemicals.RazanCo.,LtdiscurrentlyoneofthelargestindustrialwatertreatmentproductsmanufacturersandsuppliersinChina.Ourannualproductioncapacityhasreached50,000tonsofpurewatertreatmentchemicalsandengineeringequipmentsforthepurificati

5、onofpurewater,wastewaterandindustrialeffluents.Inthepastyears,RazanCo.,Ltdhasestablishedlong-termandkindbusinessrelationshipswithmanyrenownedend-usersinvariousindustrialfieldsincludingpetrochemical,iron&steal,oilrefinery,chemical,textile,microelectronic,medicine,cosmetics,bioengineering,foodstuff,el

6、ectricpowerplant,papermaking,glass,hospital,hotel,boilerwatersoftening,experimentalwater,domesticandindustrialwastewatertreatmentetc.Withourhelp,ourcustomershaveobtainedactualanddirectbenefitsinthewater-energysavingandenvironmentalprotection.Withthebackingofastrongtechnicalforce,wedevoteourselvestot

7、heresearch,innovation,design,improvementandmanufactureofwaterenvironmentproducts,andwetryourbesttoconstantlyandcontinuouslypromoteadvancedhigh-techtechnology,sowecanprovideadvancedscientifictechnologies,completedesignplan,strictqualitycontrol,specialinstallation,andexcellentafter-salesservicetoourcu

8、stomers.Wewillalwaysadheretoourcompanysmotto“SupplyWholeSolution,Decreasecustomercostandmakesurethecustomersfocusontheirmainbusinesses.Hopingtobuildabrightutureandinordertomakeitcometrue,wewillcontinuouslychallengeourselvesandmakecustomersatisfactionourresponsibility.山東三維石化工程股份有限公司100T/H污水回用系統(tǒng)方案書(shū)Sch

9、emeof100T/HSewageRecoverySystemforShandongSunWayPetrochemicalEngineeringCo.,Ltd一、設(shè)計(jì)刖百DesignPreface項(xiàng)目概況ProjectBriefIntroduction：山東三維石化工程股份有限公司100m3/h污水回用處理工程項(xiàng)目，本方案書(shū)提供了為貴公司設(shè)計(jì)的污水回用處理技術(shù)方案。該技術(shù)方案采用了當(dāng)今世界最為先進(jìn)的膜法分離技術(shù)，具有水質(zhì)高、系統(tǒng)穩(wěn)定、運(yùn)行高效的明顯優(yōu)勢(shì)，具有較高的性?xún)r(jià)比。本方案設(shè)置2套2X50m3/h處理系統(tǒng)，擬采用纖維球過(guò)濾器+特種樹(shù)脂吸附柱+超濾+特種分離膜的處理工藝，通過(guò)處理系統(tǒng)的處理，

10、水質(zhì)要求達(dá)到業(yè)主方回用水的要求。具體的技術(shù)指標(biāo)參見(jiàn)以下詳細(xì)技術(shù)方案。ShandongSunWayPetrochemicalEngineeringCo.,Ltd,plansforasewagetreatmentproject.Throughthepresentdraftproposal,RazanEnvironmentalEngineeringintendstosupplythenecessaryexpertiseandtechnologicalprocessneededtoreachtheprojectsgoal.Thetreatmentmethodhereinproposedisbasedo

11、nthemembraneseparationtechnology,whichistheworldsmostadvancedandhencemoreefficientsewagetreatmenttechnology.Membraneseparationtechnologyhastheadvantagesofsteadinessandefficiencyinthesystemoperationaswellasahighperformance-to-priceratio.Intheproposedscheme,twotreatmentsystemswillbebuilteachwithatreat

12、mentcapacityof50m3/h.Theproposedtreatmentprocessconsistsoffourcomponentsincluding(i)fibrouswaddingfilter,(ii)specialresinadsorptioncolumn,(iii)ultrafiltration,and(iv)specificseparationmembrane.Thetreatedeffluentwillcomplywiththewaterreusestandardsasrequestedbytheowner.設(shè)計(jì)原則DesignPrinciple:根據(jù)項(xiàng)目原水特征，結(jié)合

13、已有的工程實(shí)例，在確保出水達(dá)標(biāo)的前提下，山東三維石化工程股份有限公司100T/H污水回用系統(tǒng)方案書(shū)Schemeof100T/HSewageRecoverySystemforShandongSunWayPetrochemicalEngineeringCo.,Ltd采用成熟、可靠、技術(shù)先進(jìn)的處理工藝。系統(tǒng)運(yùn)行要求低能耗、低費(fèi)用。系統(tǒng)設(shè)備全面采用實(shí)現(xiàn)標(biāo)準(zhǔn)化、模塊化和系統(tǒng)化的設(shè)計(jì)方式，以便快速安裝和以后系統(tǒng)維護(hù)。設(shè)備選型以技術(shù)先進(jìn)、經(jīng)濟(jì)合理、安全可靠、高效節(jié)能，最大可能地減少維修費(fèi)用為原則。自動(dòng)化控制設(shè)備以及主要檢測(cè)儀器、儀表選用國(guó)外先進(jìn)產(chǎn)品或國(guó)內(nèi)知名品牌。設(shè)備、儀表、閥門(mén)及控制系統(tǒng)選型經(jīng)過(guò)實(shí)際檢驗(yàn)為

14、運(yùn)行可靠、穩(wěn)定的產(chǎn)品，且關(guān)鍵設(shè)備元件都采用進(jìn)口；整個(gè)系統(tǒng)設(shè)計(jì)簡(jiǎn)捷合理、易于操作。方案設(shè)計(jì)合理、運(yùn)行穩(wěn)定、產(chǎn)水的品質(zhì)滿足設(shè)計(jì)要求，并已在多項(xiàng)類(lèi)似工程中得到應(yīng)用及檢驗(yàn)。Theadoptedtreatmentprocessesaretested,proved,andadvanced,thusensuringtheeffluentswillmeettherelevantstandards.Thesystemoperateswithlowenergyconsumptionandlowcost.Thesystemisstandardized,modularizedandsystematizedtorend

15、ertheinstallationandthemaintenancefastandmoreconvenient.nordertoreducethemaintenanceexpenses,thedevicesusedaretechnicallyadvanced,economicallyreasonable,safe,dependableandefficient.uto-controldevicesandmainsensorsaswellasthemeasurementapparatusareadvancedimportedproductsorproductsfromrenowneddomesti

16、cmanufacturers.hewholesystemisdesignedandoptimizedforreasonablyeasyoperation,andhasbeenappliedinmanysimilarprojects.設(shè)計(jì)基礎(chǔ)資料BasalDesignData:設(shè)計(jì)參數(shù)和要求DesignParametersandRequirements原水水質(zhì)Influentqualities序號(hào)No.水質(zhì)項(xiàng)目Parameter單位Unit水質(zhì)指標(biāo)WaterQualityStandard1pH692色度/Chromium503SSmg/1704CODCrmg/1605BOD5mg/1206石油類(lèi)

17、/Oilmg/1107揮發(fā)酚VolatileHydroxybenzenemg/10.58NH2-Nmg/1159硫化物/Sulfidemg/1110總氧化物/Cyanidemg/10.511鈉鉀/Na&Kmg/110712鈣/Camg/192.113鎂/Mgmg/126.814硫酸鈉/Na2SO4mg/1155.215礦物/Mineralmg/181216水溫/Temperature0C3040系統(tǒng)產(chǎn)水指標(biāo)EffluentQuality:序號(hào)No.水質(zhì)項(xiàng)目Parameter單位Unit水質(zhì)指標(biāo)WaterQualityStandard1PH692色度/Chromium153濁度/NTUmg/15

18、4BOD5mg/135CODcrmg/10106石油類(lèi)/Oilmg/1017揮發(fā)酚VolatileHydroxybenzenemg/1工0.58NH3-Nmg/110上海瑞璋環(huán)境工程有限公司6RazanEnvironmentEngineering(Shanghai)Co.,Ltd9溶解性總固體/TSSmg/180010總堿度(以CaCO3計(jì))Alkalinity(asCaCO3)mg/135011總磷（以P計(jì)）/TPmg/10112總硬度(以CaCO3計(jì))Totalhardness(asCaCO3)mg/12套，超濾裝置45m3/hr2套，特種分離膜主機(jī)30m3/hr2套。運(yùn)行方式：手/自動(dòng)運(yùn)

19、行、自動(dòng)保護(hù)供水方式：24h本系統(tǒng)工藝由三個(gè)部分組成：100m3/hr預(yù)處理部分；90m3/hr超濾裝置；60m3/hr特種分離膜主機(jī)；Watertreatmentpurpose:sewagerecovery.Systemquantity:two.Oneisforlowwaterflowrate,andbothwillbeusedintheeventofhighwaterflowrates.3Systemfeedflux:50m/hr2.Systemproduction:30m3/hrXSystemcomponents:pre-treatmentfilters50m3/hr2;UFdevice

20、s45m3/hr2;specificmembraneseparationsystem303/hr2.Operation:manualandautomatic,auto-protection.Watersupply:24hours.3.3工藝設(shè)備說(shuō)明IntroductionabouttheFacilities:原水箱：用于貯存進(jìn)入本系統(tǒng)的原水，其目的是為了調(diào)節(jié)進(jìn)水流量的變化，防止進(jìn)水波動(dòng)對(duì)系統(tǒng)運(yùn)行產(chǎn)生影響，保證系統(tǒng)的進(jìn)水量穩(wěn)定。原水箱設(shè)置液位控制裝置，可隨時(shí)監(jiān)測(cè)水箱液位和控制原水泵。當(dāng)原水箱低液位時(shí)，原水泵自動(dòng)停止運(yùn)行。FeedWaterTank:Itisusedtostorethefeedwa

21、ter.Thusthethefluctuationsoffeedwaterfluxescanberegulatedtoavoidtheirimpactonoursystem.Waterlevelcontroldevicesareinstalledinthefeedwatertank.Theyareusedtomonitorethewaterlevelinthefeedwatertankandtocontrolthefeedwaterliftingpumps.濃水收集池-反沖洗水池(業(yè)主自備或提供)：收集特種分離膜濃水，用這部分水可以沖洗纖維球，節(jié)省運(yùn)行費(fèi)用。濃水池的容積建議選用100m3。Co

22、ncentratedLiquorCollectingTank(OwnerorRazanprovides):Itisusedtocollectconcentratedliquorfromspecificmembraneseparationsystem.Thispartofconcentratedliquorcanbeusedtowashthefibrouswaddingfilters.Thevolumeofconcentratedliquortankwillbeabout100m3.預(yù)處理反洗水泵：為過(guò)濾器反洗提供所需要穩(wěn)定的水壓和流量。Back-washingPumpsforpre-treat

23、ment:usedtoprovidesteadyhydraulicpressureandfluxforfiltersback-washing.原水增壓泵：為后續(xù)設(shè)備提供正常工作所需要穩(wěn)定的水壓力和水流量?？紤]該系統(tǒng)原水中含有雜質(zhì)，系統(tǒng)選用東方泵業(yè)的增壓泵，該泵具有運(yùn)行穩(wěn)定、上海瑞璋環(huán)境工程有限公司12RazanEnvironmentEngineering(Shanghai)Co.,Ltd山東三維石化工程股份有限公司100T/H污水回用系統(tǒng)方案書(shū)Schemeof100T/HSewageRecoverySystemforShandongSunWayPetrochemicalEngineeringC

24、o.,Ltd平穩(wěn)、噪音小等優(yōu)點(diǎn)。FeedWaterLiftingPumps:usedtoprovidesteadyhydraulicpressureandfluxforfollowingfacilities.Eastpumpsareadoptedinthissystem.Eastpumpsrunsteadyandhavelittlenoise.預(yù)處理過(guò)濾器：纖維球過(guò)濾器（FWF）主要利用纖維球作為濾料，去除原水中的泥沙、懸浮物、膠體、油類(lèi)等雜質(zhì)，對(duì)原水進(jìn)行初步凈化，達(dá)到后續(xù)設(shè)備的進(jìn)水要求。多介質(zhì)過(guò)濾器選擇較低的運(yùn)行濾速，以降低進(jìn)水的濁度并保證過(guò)濾出水污染指數(shù)SDI1530imported8me

25、mbranecomponents,andtobecomposedoftwoseriesofmembranemodules.Thewaterproductioncanreach230m3/h.Themembranemoduleisdesignedtohold6components/shellina3-2array.Thesystemcanachieve70%recoveryrate.Theproducedwaterentersthespecificmembranewatertank.Specificmembraneseparationunitsperformthetasksoflow-press

26、urewashing,timelyremovalofinorganicsalts,bacteriaandotherimpuritiestopreventtheirdepositionontothemembranesurfacethusreducingthefrequencyofmembranecomponentswashingandthedecreaseintherateofperformanceparameterssuchaswaterproductivityanddesalination.Thespecificseparationdeviceperformsthewashingtaskun

27、derthecontrolofthePLCfunctionsrunningeveryfourhours,for5minuteseachwash.Thedensewaterflowstothesewagetreatmentstationorisdirectlydischarged.種分離膜輔助配置：特種分離膜濃水側(cè)配置電動(dòng)球閥，開(kāi)機(jī)時(shí)自動(dòng)打開(kāi)，進(jìn)行低壓沖洗；停機(jī)(或系統(tǒng)連續(xù)運(yùn)行4小時(shí))時(shí)自動(dòng)打開(kāi)，進(jìn)行濃水置換，沖走特種分離膜表面的污染物，將壓力管中的濃水置換成特種分離產(chǎn)水，使膜在停機(jī)時(shí)浸泡在淡水中，防止?jié)馑谀っ娉恋斫Y(jié)垢，延長(zhǎng)膜的使用壽命。AssistedDevicesofSpecificMem

28、braneSystem:Electricalballvalveismountedinthedensewatersideofthespecificmembrane.Itautomaticallyopensinboot-strap,andrunthelow-pressurewashing;whenshutting(orafter4hourscontinuousrunningofthesystem),itautomaticallyopens,thedensewaterisreplacedbytheproducedwater,andthecontaminantsinthemembranesurface

29、arewashedaway.Duringtheshutdownperiod,themembranesareimmersedinfreshwatertopreventprecipitationanddeposition.Thiswillhelpprolongthemembranelife.種分離膜清洗裝置：特種分離的預(yù)處理越完善，膜元件清洗周期就越長(zhǎng)，清洗也越容易。但要保證特種分離膜元件完全不被污染是不現(xiàn)實(shí)的。因而當(dāng)膜元件因運(yùn)行累積而造成污染時(shí)，特種分離膜的進(jìn)出口壓差上升，產(chǎn)水量下降，有機(jī)物去除率下降。為了確保特種分離長(zhǎng)期穩(wěn)定運(yùn)行，設(shè)置的特種分離化學(xué)清洗裝置是必要的。本系統(tǒng)設(shè)置一套化學(xué)清洗裝置，

30、兼作特種分離濃水置換裝置。CleaningDevicesofSpecificMembraneSystem:Themoreperfectthepretreatment,thelongerthemembranecomponentscleaningperiods,andtheeasierthecleaning.However,itisunrealisticthatthespecificmembranecomponentsbecompletelyprotectedfromanypollution.Asaresultofmembranecomponentspollutioncausedbythecumu

31、lativeruntime,pressuregapbetweentheinletandoutletrises,andwaterproductiondecreases,andorganicmatterremovaldeclines.Inordertoensurealong-termandastableoperationofthespecificmembrane,achemicalcleaningdeviceisnecessary.Thissystemsetsupachemicalcleaningdevice,whichalsoservesasdensewaterreplacementdevice

32、.水儲(chǔ)槽（業(yè)主自備）：系統(tǒng)在特種分離膜出水側(cè)設(shè)置儲(chǔ)水箱，容積建議選用100m3。PureWaterTank:APurewatertankisplacedafterthespecificmembranesystem,withaproposedvolumeof100m.路系統(tǒng)：系統(tǒng)連接管路，預(yù)處理過(guò)濾器部分采用連接UPVC管（系統(tǒng)連接管）、超濾部分采用UPVC管（系統(tǒng)連接管）、特種分離膜部分采用SUS304不銹鋼管（特種分離高壓管）和UPVC管（特種分離低壓管）。PipelineSystems:Pre-treatmentfilterspartsuseUPVCpipeforfacilitiescon

33、nection.TheultrafiltrationpartsuseUPVCpipeforfacilityconnection.ThespecificmembranesystempartsusingSUS304stainlesssteeltubesforspecifichigh-pressuretubesconnectionsandtheUPVCpipeforspecificlow-pressurepipeconnection.制說(shuō)明：IntroductionaboutControlSystem:制系統(tǒng)的結(jié)構(gòu)控制系統(tǒng)采用就地控制與集中控制相結(jié)合的方式。預(yù)處理過(guò)濾器、UF裝置和特種分離膜部分采用

34、PLC可編程邏輯控制器控制。系統(tǒng)運(yùn)行方式：24小時(shí)連續(xù)運(yùn)行。StructureofcontrolsystemControlsystemadoptsacombinationoflocalcontrolandcentralizedcontrol.Pre-filters,UFdevicesandthespecificseparationmembranedevicesarecontrolledbyPLCprogrammablecontroller.Operationmode:24hoursofcontinuousoperation.上海瑞璋環(huán)境工程有限公司26RazanEnvironmentEngin

35、eering（Shanghai）Co.,Ltd工程車(chē)間控制水平該系統(tǒng)可以設(shè)置二級(jí)控制狀態(tài)，即全自動(dòng)(特種分離膜部分卜硬手動(dòng)。全自動(dòng)：操作人員只要選擇需要運(yùn)行的裝置后，按一下啟動(dòng)鍵，系統(tǒng)即能完成各設(shè)備之間的運(yùn)行、連鎖、控制而不需要操作人員的干預(yù)(特殊情況除外)。硬手動(dòng)：當(dāng)現(xiàn)場(chǎng)某個(gè)設(shè)備的可編程序控制器出現(xiàn)故障，或在該設(shè)備的調(diào)試時(shí)，操作人員可以在就地控制柜上實(shí)現(xiàn)某個(gè)部件的開(kāi)/關(guān)操作。程控連鎖系統(tǒng)包括系統(tǒng)急停、特種分離膜進(jìn)水低壓、特種分離膜產(chǎn)水高壓、特種分離膜低壓沖洗、水池液位、反洗等設(shè)備間的連鎖、計(jì)量泵的啟/停等控制。設(shè)置必要的現(xiàn)場(chǎng)一次儀表，以滿足現(xiàn)場(chǎng)檢查的需要。Controllevelofthis

36、projectThesystemcanbesetastwocontrolstates,thatisautomatic(specificmembranepart)andmanual.Fullyautomatic:Operatorssimplychoosewhichdevicetorun,andclickthestart-upbutton.Thenthesystemisabletocompletetheoperationandcontrolofvariousdeviceswithoutoperatorsintervention(exceptforspecialcircumstances).Manu

37、al:Whentheprogrammablecontrollerofadevicehassomefaults,orindebuggingperiodsofthedevice,operatorscanachieveon/offoperationofcertaincomponentinthelocalcontrolboards.Program-controlledchainsystemincludesthecatenationofsystememergencystop,infalllow-pressurecontrolofspecificseparationmembranesystem,outfa

38、llhigh-pressurecontrolofspecificseparationmembranesystem,low-pressurewashingofspecificseparationmembranesystemandwaterlevelinwatertank,andcontrolsstart-up/stopofpumps.Setthenecessaryinstrumentsinordertomeettheneedsofon-siteinspections.、系統(tǒng)形成本系統(tǒng)選用先進(jìn)的進(jìn)口可編程控制器(西門(mén)子/三菱)，完成數(shù)據(jù)的采集及相互傳送，這樣既可以做到保證系統(tǒng)整體的統(tǒng)一性和單臺(tái)設(shè)備

39、運(yùn)行的獨(dú)立性。同時(shí)還可以省卻大量從各種設(shè)備到總控制柜的連接電纜，大幅度地減少接線差錯(cuò)和斷線危險(xiǎn)，顯著地節(jié)省維護(hù)和維修費(fèi)用。SystemformedThesystemadoptstheadvancedimportedprogrammablelogiccontroller上海瑞璋環(huán)境工程有限公司27RazanEnvironmentEngineering(Shanghai)Co.,Ltd(Siemens/Mitsubishi)tocarryoutdatacollectionandmutualtransmission.Itisensuredforboththeuniformityoftheoveral

40、lsystemandtheindependenceofsingleequipment.Italsocansavelotsofconnectioncablesfromequipmentstothecontrolcabinet,significantlyreducingtheriskofwiringerrorsanddisconnectionandsavinginmaintenancecosts.PLC控制系統(tǒng)完成全部現(xiàn)場(chǎng)工藝參數(shù)(開(kāi)關(guān)量)信號(hào)的采集和所需控制參數(shù)的控制功能。PLC柜內(nèi)裝有控制器，PLC輸出用OMRON斷電器進(jìn)行隔離。PLC柜上裝有急停按鈕，用于在緊急狀況下停機(jī)。PLC軟件完成全部

41、的控制操作。PLC編程必須滿足所附邏輯控制圖和實(shí)際工藝要求，在實(shí)驗(yàn)室調(diào)試時(shí)，軟件編程已全部完成，此時(shí)可通過(guò)標(biāo)準(zhǔn)信號(hào)發(fā)生器等設(shè)備模擬現(xiàn)場(chǎng)4-20mA直流電流信號(hào)和開(kāi)關(guān)量信號(hào)進(jìn)行初步調(diào)試。到現(xiàn)場(chǎng)后再根據(jù)實(shí)際運(yùn)行情況對(duì)程序進(jìn)行最終調(diào)試。PLCcontrolsystemPLCcontrolsystemcompletesthefunctionsofacquisitionandcontrolofallon-siteprocessparametersandsignalsneededtocontrol.PLCcabinetisequippedwithacontroller,andPLCoutputisisol

42、atedbyOMRONbreaker.EmergencystopbuttonisfittedonPLCcabinettobeusedtohaltthesysteminemergencysituations.PLCsoftwareisusedtocompleteallofthecontroloperations.PLCcontrolprogrammustmeettheattachedcontrolchartandtherequirementsofactualprocess.Thesoftwareprogramhasbeencompletedinthelabdebuggingperiods,and

43、inthistimepreliminarydebuggingcanbedonethroughsimulatingon-site4-20mADCcurrentsignalandswitchingsignalusingstandardsignalgenerators.Finaldebuggingwillbecarriedoutinthesceneaccordingtotheactualoperations.控制方式自動(dòng)運(yùn)行：整個(gè)水處理系統(tǒng)的自動(dòng)運(yùn)行由PLC系統(tǒng)及設(shè)備間連鎖來(lái)實(shí)現(xiàn)。設(shè)備級(jí)程控：對(duì)整個(gè)水處理系統(tǒng)(主控系統(tǒng))均由PLC自動(dòng)控制。ControlmodeTorunautomatically:

44、Automaticallyrunningoftheentirewatertreatmentsystemisachievedthrough上海瑞璋環(huán)境工程有限公司28RazanEnvironmentEngineering(Shanghai)Co.,LtdcatenationbetweenthePLCsystemsandequipments.Device-levelprogramcontrol:TheentirewatertreatmentsystemiscontrolledautomaticallybyPLC.電源控制電源及氣源控制回路電源選下列電壓等級(jí)：220VAC單相二線制50Hz交流電源；

45、380VAC三相四線制50Hz交流電源；0.2-0.5MPa無(wú)油壓縮空氣氣源。電源故障屬可恢復(fù)性故障，一旦重新受電，無(wú)需運(yùn)行人員干預(yù)，可編程控制器系統(tǒng)自動(dòng)恢復(fù)正常工作。ElectricalsourcePowersourceandgassourceControlcircuitpowersupplyvoltagelevelshouldbeselectedasfollows:220VACsingle-phasetwo-wire50HzACpowersupply;380VACthree-phasefour-wire50HzACpowersupply;0.2-0.5MPanon-oilcompresse

46、dairsource.Powerfailureisarecoverablefailure.Onceagainpowerisrecovered,programmablelogiccontrollersystemautomaticallyreturnstonormalworkwithoutpersonnelintervention,.單元設(shè)備控制簡(jiǎn)介依據(jù)水處理的工藝過(guò)程，本控制系統(tǒng)對(duì)各個(gè)工藝單元進(jìn)行協(xié)調(diào)、管理、控制。系統(tǒng)監(jiān)控包括：泵啟停、特種分離膜的手/自動(dòng)操作、儲(chǔ)槽液位的連動(dòng)控制。系統(tǒng)中特種分離膜裝置、泵啟停可通過(guò)PLC(可編程邏輯控制器)自動(dòng)運(yùn)行，亦可手動(dòng)操控。采用PLC操作方式，可集中控制，

47、減少誤操作，降低人為因素影響，提高系統(tǒng)運(yùn)行安全性、可靠性、穩(wěn)定性。UnitDeviceControlDescriptionBasedonwatertreatmentprocess,thecontrolsystemcancarryoutcoordination,managementandcontrolforeachprocessunit.SystemMonitoringincludes:pumpsstartingandstop,specificseparationmembranemanual/automaticoperation,watertankliquidlevel.Specificsepa

48、rationmembranedeviceandpumpSstarting/stoprunautomaticallybyPLC(programmablelogiccontrollers)control,andcanalsobemanuallycontrolled.PLCoperatingmodecanachievecentralizedcontrol,reducemisuseandman-madefactors,andimprovethesecurity,reliabilityandstabilityofthesystem.加藥控制：加藥計(jì)量泵由事先調(diào)節(jié)好沖程，確定投加量后，通過(guò)與增壓泵、高壓泵

49、實(shí)行啟停聯(lián)動(dòng)，對(duì)計(jì)量泵實(shí)現(xiàn)啟停自動(dòng)控制，實(shí)現(xiàn)藥劑的自動(dòng)投加，亦可退出實(shí)行手動(dòng)投加。Dosingcontrol:Dosingmeteringpumpsarepre-regulatedforthestroketodeterminethedosage,andarekeptinstarting/stoplinkagewiththeboosterpumpsandhigh-pressurepumps.Thenautomaticstartandstopforthemeteringpumpisachievedandtheautomaticdosingofpharmaceuticalisrealized.Aut

50、omaticmodecanalsowithdrawandmanualdosingcanbecarriedout.特種樹(shù)脂吸附柱自動(dòng)控制樹(shù)脂吸附柱的日常產(chǎn)水時(shí)的運(yùn)行。半自動(dòng)控制再生、沖洗程序。SpecialResinAdsorptionColumnResinadsorptioncolumniscontrolledautomaticallyduringwaterproductionindailyoperation.Regeneration,washingproceduresiscontrolledsemi-automatically.超濾系統(tǒng)自動(dòng)控制包括以下六個(gè)主要步驟：.過(guò)濾；2.反洗；3.化學(xué)

51、加強(qiáng)反洗CEB1;4.化學(xué)加強(qiáng)反洗CEB2;5.完整性測(cè)試；6.充水和排氣。Automaticcontrolincludesthefollowingsixsteps:Filtering;2.Backwashing;3.ChemicallyenhancedbackwashingCEB1;4.ChemicallyenhancedbackwashCEB2;5.Integritytest;6.Waterchargingandexhaust.在自動(dòng)操作過(guò)程，超濾系統(tǒng)先開(kāi)始過(guò)濾，當(dāng)過(guò)濾程序完成后，反洗計(jì)數(shù)器會(huì)自動(dòng)檢查和增加,如果反洗計(jì)數(shù)器實(shí)際值比設(shè)定值小,執(zhí)行反洗程序,執(zhí)行完反洗程序后反洗計(jì)數(shù)器增加1,然

52、后進(jìn)行新的過(guò)濾程序，這樣的程序循環(huán)直到反洗計(jì)數(shù)器實(shí)際值達(dá)到設(shè)定值，反洗計(jì)數(shù)器將被重置和檢查CEB1計(jì)數(shù)器，如果CEB1上海瑞璋環(huán)境工程有限公司RazanEnvironmentEngineering(Shanghai)Co.,LtdSchemeof100T/HSewageRecoverySystemforShandongSunWayPetrochemicalEngineeringCo.,Ltd計(jì)數(shù)器實(shí)際值比設(shè)定值小，執(zhí)行CEB1程序，CEB1執(zhí)行完后CEB1計(jì)數(shù)器增加1,然后新的過(guò)濾程序開(kāi)始。當(dāng)CEB1計(jì)數(shù)器到達(dá)設(shè)定值時(shí)，CEB2程序?qū)⒋鍯EB1程序執(zhí)行，當(dāng)CEB2完成后，CEB1計(jì)數(shù)器被重置

53、，然后大程序循環(huán)重新開(kāi)始。在系統(tǒng)進(jìn)行過(guò)濾時(shí)，原水泵向超濾系統(tǒng)供水，超濾系統(tǒng)工作方式為全流過(guò)濾，全部進(jìn)水經(jīng)過(guò)超濾膜后從產(chǎn)水管排出；進(jìn)水流量調(diào)節(jié)閥、進(jìn)水自動(dòng)閥、產(chǎn)水自動(dòng)閥打開(kāi)，原水泵啟動(dòng)，提供過(guò)濾所需壓力，并通過(guò)調(diào)節(jié)進(jìn)水流量調(diào)節(jié)閥（或變頻原水泵的頻率）保持進(jìn)水流量不變。膜進(jìn)出水端裝有壓力測(cè)量?jī)x表（壓力變送器），測(cè)定膜過(guò)濾壓差（TMP）。在反洗過(guò)程，過(guò)濾過(guò)程中累積在膜表面的污染物被一個(gè)反向的水流去除，反洗水采用超濾產(chǎn)水。反洗時(shí)，反洗進(jìn)水自動(dòng)閥門(mén)、反洗排水自動(dòng)閥門(mén)開(kāi)啟，然后反沖洗水泵啟動(dòng)，開(kāi)始進(jìn)行反沖洗?；瘜W(xué)增強(qiáng)反洗過(guò)程分為CEB1及CEB2兩個(gè)過(guò)程，通過(guò)投加不同的化學(xué)藥劑去除不同的污染物，一般分為堿

54、洗（CEB1）和酸洗（CEB2）,堿洗所投加的藥劑是氫氧化鈉（NaOH）和次氯酸鈉（NaOCl），酸洗所投加的藥劑是鹽酸（HCl）,但是根據(jù)水質(zhì)的不同化學(xué)藥劑的投加可以不同。根據(jù)運(yùn)行參數(shù)的不同，CEB1和CEB2可以連續(xù)執(zhí)行或者若干次CEB1后執(zhí)行CEB2。泵控制：泵控制設(shè)立手動(dòng)、自動(dòng)兩種啟停方式。自動(dòng)由主控PLC器完成，手動(dòng)由開(kāi)關(guān)按扭強(qiáng)制實(shí)行。這兩種操作方式可由切換開(kāi)關(guān)來(lái)完成。PumpsControl:Twostarting/stopmodesareestablishedforpumpscontrol:manualandautomatic.Automaticmodeisachievedbyt

55、hemasterPLCdevice,andmanualmodeisimposedbytheswitchbutton.Thetwooperationmodescanbeswitchedbybutton.高壓泵的保護(hù)系統(tǒng)：在高壓泵的入口處裝有低壓保護(hù)開(kāi)關(guān)，當(dāng)供水量不足（表現(xiàn)為入口壓力偏低），低于某個(gè)設(shè)定值（正常值）時(shí)，開(kāi)關(guān)會(huì)發(fā)出信號(hào)停止高壓泵的啟動(dòng)，保護(hù)高壓泵不在空轉(zhuǎn)情況下工作。High-pressurepumpsprotectionsystem:Low-voltageprotectionswitchisinstalledattheinletofhigh-pressurepumps.上海瑞璋環(huán)境工

56、程有限公司RazanEnvironmentEngineering（Shanghai）Co.,LtdWhenthewatersupplyisinsufficient(expressedasalowinletpressure)totheextentoflessthanacertainsetvalue(normal),theswitchwillsignalthecontrollertostophigh-pressurepumpstoprotecthigh-pressurepumpsfrombeingidledatwork.特種分離膜裝置的啟停保護(hù)：為了防止特種分離膜誤操作，在特種分離膜產(chǎn)水側(cè)設(shè)置高壓

57、保護(hù)壓力開(kāi)關(guān)，當(dāng)產(chǎn)水壓力高于規(guī)定值時(shí)，壓力開(kāi)關(guān)會(huì)發(fā)出相應(yīng)信號(hào)，設(shè)備同時(shí)采取保護(hù)動(dòng)作，控制系統(tǒng)發(fā)出信號(hào)。當(dāng)系統(tǒng)處于自動(dòng)狀態(tài)時(shí)，無(wú)論啟停，都有3-4min的快速?zèng)_洗，以保證特種分離膜系統(tǒng)在停運(yùn)期間減少膜面雜質(zhì)沉淀，提高膜使用效率。Starting/stopprotectionforspecificseparationmembranedevice:Inordertopreventmisuseofspecificseparationmembranes,high-voltageprotectionswitchisinstalledintheproduct-watersideofmembranes.Whe

58、ntheproductwaterpressureisinexcessofsetvalue,thepressureswitchwillissueacorrespondingsignal,andequipmentwilltakeprotectiveactionatthesametime.Whenthesystemisrunninginautomaticmode,regardlessofstartingandstop,a3-4minquickrinseiscarriedouttoreduceprecipitationofimpuritiesinmembranesurfaceinshutdownper

59、iodsandimprovemembraneefficiency.清洗系統(tǒng)控制：系統(tǒng)設(shè)置的清洗系統(tǒng)實(shí)行單獨(dú)手動(dòng)控制，即人工進(jìn)行清洗過(guò)程。Cleaningsystemcontrol:Cleaningsystemisinseparatemanualcontrol,thatis,itisoperatedmanually.液位控制：在水箱內(nèi)設(shè)置液位控制，根據(jù)水位高低發(fā)出信號(hào)，來(lái)控制系統(tǒng)是否制備除鹽水或啟停相應(yīng)水泵，以達(dá)到自動(dòng)運(yùn)行的目的。Waterlevelcontrol:Waterlevelcontrolisinstalledinthewatertanks.Signaliscontrolledacco

60、rdingtowaterleveltocontrolwhetherthepumpsandsystemshouldbestartedorstopped.Thenthepurposeofrunningautomaticallyisachieved.系統(tǒng)設(shè)置就地控制盤(pán)，在設(shè)備現(xiàn)場(chǎng)可以進(jìn)行就地控制和顯示各流量、壓力、產(chǎn)水水質(zhì)等參數(shù)。系統(tǒng)不設(shè)置集中控制室，通過(guò)就地系統(tǒng)控制柜實(shí)現(xiàn)對(duì)現(xiàn)場(chǎng)設(shè)備進(jìn)行監(jiān)測(cè)和控制。上海瑞璋環(huán)境工程有限公司32RazanEnvironmentEngineering(Shanghai)Co.,Ltd系統(tǒng)開(kāi)機(jī)后，自動(dòng)打開(kāi)濃水電動(dòng)球閥，自動(dòng)對(duì)特種分離膜進(jìn)行低壓沖洗3-5分鐘，關(guān)閉濃水電動(dòng)球