中國江蘇國際經(jīng)濟技術(shù)合作公司中國江蘇國際經(jīng)濟技術(shù)合作公司PAGEPAGE10城市垃圾焚燒發(fā)電項目Municipalsolidwasteincinerationpowergenerationproject方案前言Preface不當(dāng)，會造成嚴重的大氣、水和土壤污染，并將占用大量土全社會的高度重視。城市垃圾是居民生活產(chǎn)生的廢棄物，但從另一個角度來電來解決能源問題。Withtheaccelerationoftheurbanizationprocess,thewastepollutionisbecomingmoreandmoreserious.Improperdisposalofwastewillcauseseriousair,waterandsoilpollution,andwilloccupyalotofland,therebyrestrictingthesurvivalanddevelopmentofthecity.Howtosolvethegarbageproblemhasarousedgreatattentionofthewholesociety.Cityresidentslivinggarbageisawaste,butfromanotherperspective,thegarbageisnotgoodfornothingwaste,ifscienceistouse,itisalsotheearthcouldbegrowingrenewableresources.Facingthesituationofgarbageflooding,globalexpertshavenotonlyfocustocontrolanddestroythepassivedefense,butthisinitiativewillwasteenergyandwasteaprecioustogether,forexample:theuseofgarbagepowertosolvetheenergyproblem.一、建設(shè)規(guī)模Constructionscale1304090650/日，利用這些生活垃圾建設(shè)垃圾焚24002的汽輪發(fā)電機組。其主機技術(shù)條件如下：Atotalpopulationof1million300thousand,thecenteroftheurbanpopulationof400thousandruralpopulation,900thousandofthecity,Nissangarbageabout650tons/day,theuseofthesewasteconstructionwasteincinerationpowerplant,turbinegeneratorincineratorconfigurationof400tonsofconstructionwastedisposal,2setsof2setsof9MW.Themaintechnicalconditionsareasfollows:1Maintechnicalspecificationincinerator焚燒爐臺數(shù)：Numberofincinerator2焚燒爐形式：Incineratorformfiredgrate爐排數(shù)量：FireGratequantity每套爐排處理垃圾的能力：

機械爐排爐stoker216.7t/h400t/dTheabilityofeachgratetodealwith后燃燒室的最低溫度（二次風(fēng)后： 850℃Thelowesttemperatureofthecombustionchamber(twostroke)煙氣在超過850℃范圍內(nèi)的滯留時間：≥2秒Residencetimeoffluegasinexcessof850DEGC超負荷連續(xù)運行時間：二次

≥負荷連續(xù)運行時間：Overload continuous running timeContinuousrunningtime:twice負荷范圍：Loadrange

60～110％焚燒垃圾的設(shè)計低位熱值： 1530kcal/kgLowcalorificvalueofincinerationwaste可焚燒垃圾的上限大低位熱值： 2050kcal/kgUpperandlowercalorificvalueofincineration可焚燒垃圾的下限低位熱值： 1000kcal/kgLowerlimitcalorificvalueofburnablewaste爐渣熱灼減率：Slagburningrate

≤渣％每座焚燒爐輔助燃燒器： 2臺Auxiliaryburnerforeachincinerator輔助燃料： #0輕柴油Auxiliaryfuel #0lightdieseloil滲瀝液回噴系統(tǒng)： 具備Leachateinjectionsystem 垃圾給料系統(tǒng)數(shù)量： 2套Quantityofrefusefeedingsystem每套給料系統(tǒng)的給料能力（MCR：25t/hFeedingcapacityofeachfeedingsystem垃圾料斗儲存量滿足的連續(xù)運行時間：1hContinuousrunningtimeofgarbagehopper2Maintechnicalspecificationwasteheatboiler型式：爐

自然循環(huán)臥式水管鍋Type Naturalcirculationhorizontalwatertubeboiler數(shù)量：QuantityMCR時的蒸發(fā)量：EvaporationcapacityatMCR末級過熱蒸汽壓力：Finalsteampressure

2套57t/h4.0MPa(a)末級過熱蒸汽溫度： 400℃Finalsuperheatedsteamtemperature鍋爐給水壓力：Boilerfeedpressure鍋爐給水溫度：Boilerfeedwatertemperature汽包壓力：Drumpressure

4.9MPa(a)130℃4.7MPa（a）煙氣流量：(110%MCR)Gasflow余熱鍋爐進口煙氣溫度：Exhaustgastemperature

最大 96000 850~1000℃余熱鍋爐鍋爐省煤器出口煙氣溫度：165~195℃Exhaustgastemperatureofboilereconomizerofwasteheatboiler余熱鍋爐熱效率： ≥82%（MCR）Thermalefficiencyofwasteheatboiler3Maintechnicalspecificationsteamturbine數(shù)量：Quantity型號：Type額定功率：Powerratings最大功率：Maximumpower正常功率：Normaloutput

2QF9-29000kW9900kW7600kW型式： 中壓、單缸、凝汽式Type Mediumpressure,cylinder,condensingtype進汽壓力：Inletsteam進汽溫度：Inletsteamtemperature額定進氣量：Ratedairinput最大進氣量：Maximumair正常進氣量：Normalairinput4、汽輪發(fā)電機主要技術(shù)規(guī)范Mainforturbo-dynamo數(shù)量Quatity型號Type額定功率Power電壓

3.8MPa395℃43.9t/h48t/h37t/htechnicalspecification臺QF-9-29MW10.5kVVoltage額定轉(zhuǎn)速Ratedspeed功率因數(shù)Powerfactor頻率變化范圍Frequencyvariationrange冷卻方式Coolingmethod發(fā)電機效率GeneratorefficiencyGarbage

3000r/min0.848.5～50.5Hz空氣冷卻>97%1、 設(shè)計垃圾低位熱值的確定Determinationoflowcalorificvalueofwaste城市垃圾和常規(guī)燃料煤炭、石油、天然氣不同，具有非均質(zhì)性和多變性，且各區(qū)域、各個季節(jié)垃圾變化是很大的，這給垃圾焚燒帶來一定困難。能對垃圾進行焚燒發(fā)電處理，必須具≤3350kJ/kg（800kcal/kg）時，焚燒需助燃，摻煤或燒油助燃。一般認為，垃圾低位發(fā)熱值>5000kJ/kg（1200kcal/kg）3350～8374kJ/kg（800-2000kcal/kg）范圍，垃圾中含水量≤50％。Urbanwasteandconventionalfuelcoal,oil,naturalgasisdifferent,withheterogeneityandvariability,andinvariousregions,seasonalchangesingarbageisverylarge,whichbringssomedifficultiestowasteincineration.Canthegarbageincinerationpowergeneration,musthavecertainconditions:refusetohaveacertaincalorificvalue,whenthegarbageinthelowheatingvalueislessthanorequalto3350kJ/kg(800kcal/kg),needtoburncoalmixedcombustion,combustionorburningoil.Itisgenerallybelievedthatthelowcalorificvalueofgarbage>5000kJ/kg(1200kcal/kg)combustioneffectisbetter.Generalcitygarbagecalorificvaluein3350~8374kJ/kg(800-2000kcal/kg),watercontentofless50%inthegarbage.按處理2x400/20Accordingtothedisposalof2x400tons/daywastepowerplantservicelifeofnotlessthan20years,theefficiencyoftheplantandtheallocationofequipmenttoconsidertherationalityoftheentireoperatingperiodofgarbagecharacteristics.Thecharacteristicofwasteincinerationplantgenerallytakeduringtheoperationofthemiddleperiodasthestandarddisposal,andtakingintoaccounttheoperationbeganintheandlateoperationoflowqualitywasteincinerationplantwiththeimprovementoflivingstandardswillimprovethecalorificvalueofgarbageandhighqualitywaste.Inaddition,thecharacteristicsofgarbagenotonlyvarywithyears,eveninthesameyear,garbagecharacteristicsarealsosignificantlydifferentwiththeseason.Issummergarbagehashighmoisturecontent,lowcalorificvalue,whileinwinter,wastewatercontentislow,highcalorificvalue,betweenspringandautumntwoseasonbetweensummerandwinter.Thewastepowerplantmustdealwithallyearsandallseasongarbage,therefore,generallysetthecalorificvalueofgarbagefor:thedesignoflowcalorificvalueofgarbage,garbagecalorificvalueandlowerlimitoflowcalorificvalueofgarbage.6400kJ/k（1530kcal/kg8580kJ/kg（2050kcal/kg）和4181kJ/kg1000kcal/kg。Thedesignedgarbageheatvalueistentativelysetat6400kJ/kg(1530kcal/kg).Consideringtheseasonalvariationofthecalorificvalueofgarbageisrelativelylarge,inordertoensurethecalorificvalueofgarbageincineratorintherangeofwideandcanbestableinoperation,theupperlimitandthelowerlimitoflowcalorificvalueofgarbagegarbagecalorificvalueweresetas8580kJ/kg(2050kcal/kg)4181kJ/kg(1000kcal/kg).2Determinationoffuelconsumption2-1Twoincinerationlineputintooperationaftertheamountofgarbagedisposalasshownintable2-1.2-1垃圾處理量RefusetreatmentQuatity小時耗量(噸/小日耗量(噸/天)年耗量(萬噸/時)年)入爐垃圾量28.368024.8原生垃圾量33.380029.2注：1)20h730015%計。Note:1)theequivalentdailyutilizationhoursoftheincinerationlinearecalculatedby20h,andtheannualequivalentfullloadutilizationhoursaredeterminedbythe7300hourmeter;and(2)theleachingrateoftheprimaryrefuseleachateisdeterminedby15%.24.32Afterthecompletionofthisproject,thedesignofdailygarbagedisposalcapacityof800t,theprocessingcapacityofabout243thousandand200tons,thebasicprocessingoftheannualamountofgarbage.Projectoverview1、垃圾輸送途徑及方式Waysandmeansofrefusetransportation30～50km專用垃圾環(huán)保運輸車輛。Theprojectisthemunicipalsolidpowergenerationproject,thetransportationofwasteintothefactoryisbythelocalrelevantdepartments,andthroughthesiteoftheroadtrafficnetworkwillbecentralizedtreatmentofurbandomesticwastetotheproject.Thereasonabledistanceis30~50km. Special garbage environmental protectiontransportationvehicleforgarbagetransportation.2、 垃圾焚燒系統(tǒng)Wasteincinerationsystem如下所示。Thewasteincinerationsystemisthekeysysteminthefactory,providetheplaceandspacetowastecombustionwasteincinerationsystem,itsstructureandprocesswilldirectlyaffectthestatusofburninggarbageandburningeffect.ThegeneralprocessflowofMSWincinerationsystemisasfollows.Feedsystem1Cranegrabgrabbedthegarbagefromthegarbagestoragepit,intothefeedhopper,loadinghoppercanstoreanhourburned,theamountofgarbage,iscomposedofreplaceablethickeningofthewearplate,inordertoobservethewastemateriallevelinsidethehopperandchute,hopperinstalledcamerasandjunkmateriallevelsensor,andiscombinedwithcranecontrolroomofacomputerscreen.Hopperwithgoodsealingbetweenthechuteandtheflexibleexpansionjointconnection,chutecanwithoutcausingdamagetothehopperdownthehopperwithjunkbypassbreakingdevice.Fallingfunnelofrubbishalongthefeedhopperchute,thepusherintothegarbageandgratepreheatingsection,mechanicalgrateinthehydraulicdrivenbythegarbagebyburningandafterburninginturn.Inordertoguaranteethestabilityofthefeedrateofperunittime,pusherdrivenbyhydraulicpressurehasthefunctionofthedeterminationoffeedchuteatthetopofthecoverwhenstopwillcoverclosed,separateincineratorwithwastestoragepit.Ignitionandcombustionfuel點火燃燒器的作用是焚燒爐在無垃圾狀態(tài)下通過燃油或燃（850℃以上850℃以上。Thefunctionoftheignitionburnerinincineratorisintheconditionofnogarbagebyfueloilorgasmakingfurnaceoutlettemperatureuptotheratedoperatingtemperature(above850℃),andthencan putthegarbagetofurnace,inordertopreventthewastethestateoflowtemperatureinthefurnaceexhaustpollutantsexceedsbid.Alsointheprocessofnormalboilerstop,intheconditionofnotcompletelyburningrubbishinsidefurnacealsoneedignitionburnertofurnacetemperatureabove850℃.8508508502Auxiliaryburnerismainlyusedtokeepthefurnaceexitfluegastemperatureabove850℃,lowcalorificvalueofgarbagecannotreachthecombustiontemperatureabove850℃,accordingtothefeedbackinformationfromincineratorinnertemperaturedevices,auxiliaryburnerwillbeautomaticallyputintooperation,toensuretheauxiliaryfuelinjectionincinerationfluegastemperatureisabove850℃andstayatleast2seconds.焚燒爐的點火及助燃用燃料可以用#0#0750033.755.5Nm3，3.5/Nm3計時，年燃料費用為19.25Incineratorwithitsignitionandcombustionoffuelcanuse0#lightdieseloilorusenaturalgas,accordingtositeconditions.Usinglight#0dieselscheme,aburninglineinfuelconsumptionquantityabout45t,accordingto7500yuanpertontiming,fuelcostisRMB337500peryear;Whennaturalgaswasusedinafireinabout55000Nm3gasconsumptionquantity,gaspricesby3.5RMB/Nm3timing,fuelcostis192500yuan.Fromthepointoffuelcost,usingnaturalgasignitionhasagoodeconomy.Inaddition,asforcleanenergy,naturalgasduringtheignitionoftailgasemissionswithoutdust,thatis,fromenvironmentalprotectionpointofviewalsohasagreatadvantage.Incineratorandexhaust-heatboiler爐排式焚燒爐Firegrateincinerator燃燼并排出爐渣整個燃燒過程。Thegratetypeincineratorisalonghistory,craftsophisticatedequipment,morethan50yearsapplicationhistory,isthemostwidelyused,maximumrateofsinglefurnaceandapplicabilityofthebestmunicipalsolidwasteincinerator,andthematuretechnologyandreliable.Thegratetypeincineratorcombustionequipmentismechanicalgrate,grateiscompleterubbishfromfeedingafterdrying,burning,combustionandslagstatethewholecombustionprocess.垃圾在爐排上的燃燒過程如下：垃圾由推料器推動完成進料順利排出爐渣。Thecombustionprocessofgarbageonthegrateisasfollows:thegarbagefromthepusherpushedintothedryingsection,inthedrystage,byradiationthermalincinerationfurnacearchmedialwallandotherpartsoftheradiationdryingbythegarbagelayerunderneathahightemperatureairdryingbyhightemperaturecontactlayeronthesurfaceofwastecombustionflameandthegasforconvectivedrying;dryingafterturningintogarbagemixedcombustion,gaseousfuelinthecombustionsectionofpyrolysisandgasificationinspacecombustion,carbonresidueburninginthemateriallayer;themateriallayerbyhighlyburningisstillremainwithasmallamountofcombustiblematterwillcontinueburning,burningsectionismadeunburnedcomponentsinslagunburnedarea,shouldmaintainpropercombustionintheburningsection,withoutcaking,toslagdischargedsmoothly.Exhaust-heatboiler按入爐垃圾設(shè)計熱值為6400kJ/kg（1530kcal/kg，單臺焚燒爐在焚燒設(shè)計入爐垃圾時的額定處理能力為25t/h，在假定焚燒爐＋余熱鍋爐綜合熱效率82%條件下，余熱鍋爐在額定工況下每小時可產(chǎn)生52t參數(shù)為4.0MPa400止過熱器等受熱面管高溫腐蝕。AccordingtothedesignoftheMSWcalorificvalueis6400kJ/kg(1530kcal/kg),asingleincineratorintheincinerationfurnacegarbagetreatmentcapacityindesignwhenthe25t/h,undertheassumptionthattheincineratorwithcomprehensivethermalefficiencyofwasteheatboilerundertheconditionof82%boilerunderratedconditionperhourcanproduce52Tparametersforsuperheatedsteam4.0MPa,400DEGCthe.Thisparametercanpreventhightemperaturecorrosionofsuperheaterandotherheatingsurfacetubes.Combustionairsystem及爐墻密封冷卻風(fēng)系統(tǒng)等。Garbageincineratorcombustionairsystemmainlyincludesawindsystem,secondaryairsystemandwallsealcoolingairsystem,etc.一次風(fēng)系統(tǒng)Primaryairsystem1Theprimaryfunctionoftheprimaryairistoprovidetheairquantityandtheairtemperaturetothewaste,whichcanbeusedtopreparetheconditionsforthefireandmeettherequirementsoftheairfortheprecombustion.Theprimaryairsystemisadevicewhichtransferstheprimaryairtoeachsectionofthegratesystemfromthegratesystem.Theamountofairsenttoeachsectionvarieswiththeneedsofdifferentsegments.Atthesametime,fromthetwosidesofthegarbagestoragepitandthecoolingairofthefurnacewall,theprimaryairispassedthroughtheairpreheaterbeforebeingfedintothegrate,soastocreateconditionsforthequickdryingandtheburningofthegarbage.Thetotalamountofprimaryairrequiredforeachincinerationlineisabout34800Nm3/h,and1primaryarearrangedineachincineratorline.垃圾與其它燃料相比，含有大量的水分，為使垃圾實現(xiàn)充分燃燒，必須采用高溫空氣除去垃圾中的水分。空氣溫度越高，垃圾干燥越快，燃燒就越好，還能促使灰渣中的未燃成分的減少。一次風(fēng)預(yù)燃空氣溫度需要加熱到加熱到220℃左右。Comparedwithotherfuels,wastecontainsalotofwater,inordertomakethefullcombustionofgarbage,hightemperatureairmustbeusedtoremovethemoistureinthegarbage.Thehighertheairtemperature,thefasterthedryingofwaste,thebettercombustion,butalsotopromotethereductionofunburnedcomponentsintheash.Awindairtemperatureneedstobeheatedtopreheatingto220DEGC.二次風(fēng)系統(tǒng)SecondaryairsystemThemainfunctionofthesecondaryairsystemistostirthefluegas,strengthenthedisturbanceinthechamberofastoveorfurnacegas;2itiswillberequiredaspartofthecombustionairfromabovethegrateintothefurnace,usedtostirthefurnacegasismixedwithoxygen.Reasonableconfigurationofsecondaryaircannotonlystrengthentheoxygenfurnacewithincompletecombustionproductmix,makechemicalincompletecombustionlossandlowerexcessaircoefficientofthechamberofastoveorfurnace.Atthesametime,becausecancausevortex,secondaryairinthechamberofaorfurnacecanextendthesuspensionofthesmolderingparticlesandtrip,notflammableinthechamberofastoveorfurnacemakeflyashincompletecombustionlossisreduced.220mh1Inthisproject,thehotairabovetheboilerroomistakenasthetwoairmedium,andtheairpreheaterheatedtoabout220DEGC.Thetwoairvolumerequiredforeachincinerationlineisabout5600Nm3/h,andeachincineratorisequippedwith1setsoftwofans.、尾部煙氣排放處理系統(tǒng)Tailgasemissiontreatmentsystem煙氣處理系統(tǒng)采用SNCR爐內(nèi)脫硝系統(tǒng)＋半干法煙氣脫酸塔＋活性炭噴射吸附系統(tǒng)＋布袋除塵器的煙氣凈化工藝。Thefluegaspurificationsystemisadoptedinthefluegastreatmentsystem,whichisaSNCRfurnacedenitrationsystem,asemidryfluegasdesulfurizationtower+activatedcarbonadsorptionsystemandabagfilter.SNCR脫氮系統(tǒng)，以尿素溶液為還原劑，反應(yīng)生成N2

隨煙氣排出。SNCR脫氮系統(tǒng)，以尿素溶液為還原劑，反應(yīng)生成N隨煙氣2排出。圖2.5-1 SNCR法脫硝工藝流程圖Figure2.5-1SNCRdenitrationprocessflowchart圖2.5-2 噴霧干燥吸收法脫酸工藝流程圖Figure.2.5-2flowchartofacidremovalbydrying口前的煙氣管道中注入活性炭粉末來吸附煙氣二惡英以及煙氣PTFE濾料或PTFETheactivatedcarbonhasalargesurfaceareaandgoodadsorption,canadsorbdioxinparticulatesolid,andgaseousdioxinscomponentssolidificationabsorption,injectionofactivatedcarbonpowderinfluegasdustinfrontoftheentrancetotheadsorptionofheavymetalsanddioxinsinfluegasinthefluegas,activatedabsorptionalongthefluegasflowthedirectionalongthefluegastogetherintothedustbagbysubsequentcapturedown.BagfilterbagfilterrecommendedusingPTFEfiltermediaorPTFEfilm.160~200140~16080m。Wasteheatboilerdischargeof160~200℃throughacidsystemandactivatedcarbonadsorptionsystemthetemperaturedroppedto140~160℃,thenintothebagdustremover,thebagdustremovalafterwillmeetthedischargestandardoftailgasbyinduceddraftfan,theatmospherewithinthenaturaldraftcoolingtowerfluegaschannels.Asinglefurnacefluegasemissionsbyabout60000nm3/h,thechimneyheightof80m、灰渣系統(tǒng)Ashsystem爐渣產(chǎn)生量Slagproduction7300h2.6-1MnOSiO2

CaOAl2

OFeO3 2

以及少量未燃燼的有機物、廢金屬等，爐渣熱灼減率≤3%。Accordingtotheunitinoneyearrunningtime7300htocalculatetheratedconditions,theprojectdischargequantityintable2.61,mainlyfortheresidueafterburning,itsmainingredientsforMnO,SiO2,CaO,Al2O3,Fe2O3andasmallamountofunburnedorganic,alsoscrapmetal,slagheatscorchingreductionratelessthan3%.表2.6-1 爐渣產(chǎn)生量Table2.6-1slagproduction（t/h）4.1783.3（t/h）4.1783.3304418.34166.660834爐2×400t/d爐

小時渣量

日渣量(t/d)年渣量(t/a)7300h。Note:1)theequivalentfullloadhoursperhouris20h;2)equivalentfullloadutilizationhoursof7300h.Slagremovalsystem車抓斗裝入自卸汽車運送至制磚廠等綜合利用用戶。Gratestokerfallintothebottomslagdischargeextruderinthesinkaftercooling,byslagmachine,vibrationconveyorbelt,andthemetalmagneticseparatortoseparateslagmetalbackintothepit,throughashtograbcraneloaddumptruckbrickworksComprehensiveutilizationoftheuser.除渣系統(tǒng)設(shè)備DeslagsystemequipmentMartinslagmachine110t/h。Thebottomeachgratefurnaceisset1,theoutputis10t/h.Firegrateashconveyor22t/hEachfurnaceequippedwith2conveyors,eachoutputis2t/h.渣坑Slagpit6的生產(chǎn)量。。Setupaslagpit,deep5m,canmeettheplanningcapacityofslagstorage6daysofproduction.Ashbucketcraneislocatedintheslagpit,grabvolume2.5m3.Flyashtreatment鍋爐燃燒過程產(chǎn)生的飛灰由兩個途徑來收集煙氣中攜帶飛灰一部份受鍋爐尾部受熱面管束的阻擋落入下部灰斗受熱吹灰時產(chǎn)生的灰也落入下部灰斗余下的飛灰與煙氣凈化系統(tǒng)應(yīng)生成物混合后以顆粒的形式部分落入吸收塔灰斗大部分灰布袋除塵器收集后落入下部灰斗所有灰斗的灰用密閉式輸送送到飛灰儲倉，最后送入位于處理廠內(nèi)的固化車間固化處理。Flyashgeneratedbytheboilercombustionprocesstocollecthastwoways,theflyashinfluegascarryingpartbyboilertailheatingsurfacetubebundleblock fallingintothelowerpartoftheashbucket,andtheashfromheatedtogeneratesoot isfallingintothelowerpartoftheashbucket,therestoftheflyashandfluegaspurificationsystemofreactionmixturetoformparticlestheabsorptiontowerintotheashbucket,ashismostbaghousecollectionafterfallingintothelowerpartoftheashhopper,closedashconveyortoflyashsilos,finallysenttotheworkshopincuringtreatmentplant.3、汽輪發(fā)電機組Turbogeneratorset3.8MPa395℃）。Consideringtheoperationsafetyofwasteheatboilerinwasteincinerationplant,accordingtotheoperatingcharacteristicsoftheincinerator,thesteaminletparametersofthesteamturbinearemediumtemperatureandmediumpressure(3.8MPa,395DEGC).2400t229MW溫中壓凝汽式汽輪發(fā)電機組。Installthe2wasteprocessingcapacityof400tincinerationline,with2Taichungtemperatureandpressure(4.0MPa,400C)wasteheatboiler,andsupportingthechoiceof2by9MWmediumtemperatureandmediumpressuresteamturbinegeneratorunit.4、灰渣場及灰渣綜合利用Comprehensiveutilizationofashandslag化穩(wěn)定處理后外運作安全填埋。Powerplantwithoutspecialashfield,thefurnaceslagbywayofcomprehensiveutilization,flyashaftercuringstabletreatmentoutsidethelandfilloperationsafety.利用意向性協(xié)議和固化飛灰安全填埋意向性協(xié)議。Accordingtomarketdemandofashquantity,powerplantsshouldsigntheagreementwithothercompaniesoncomprehensiveutilizationoffurnaceslagintentionalityandsafelandfillsiteofsolidifiedflyashintentionagreement.5、汽水系統(tǒng)Steamwatersystem本期工程安裝二爐二機，熱力系統(tǒng)采用母管制。Incurrentengineeringinstallationoftwomachine,andthe heatingsystemusingmothertubeMainsteamsystem進入兩臺凝汽式汽輪機。Mainsteamsystemadoptssinglemothertube,twoofthewasteheatboiler steampipearegoingtojoininthemothertube,onthemainsteammothertuberespectivelytwopipethroughthedoorintothetwosteamturbinecondensingsteamturbine.路出口分別接入兩臺機組的凝汽器。Considerstoppingworkingbutnotthefurnaceoperation,mainsteamsystemsetabypassdevice,bypassexportaccessofcondenserfortwounitsrespectively.主蒸汽管道材料為20G。Themainsteampipematerialis20G.MainFeedwaterSystem主給水由中壓除氧器出口經(jīng)給水泵升壓后送至余熱鍋爐省母管，兩母管均采用單母管制。Mainfeedbymediumpressuredeaeratorexportsafterthefeedwaterpumpboostersendtotheimportofwasteheatboilereconomizer.Settwomothertubefeedwatersystem,thelowpressuregivejellyfishjellyfishtubeandhighpressurepipe,twomothertubeadoptssinglemothertube.設(shè)置3臺變頻調(diào)速給水泵，兩臺運行，一臺備用。3setsofvariablefrequencyvariablespeedfeedwaterpump,twosetsofoperation,aspare.30管返回除氧器。Setuptwodeaerator,deaeratorwatertankcapacityof30m3,canmeettherequirementsofthewasteheatboilerwatersupplyfor20minutes.Thefeedwaterpumpisprovidedwithawatersupplyrecirculationpipe,andthedeaeratorisreturnedtothedeaeratorthroughtherecirculationmainpipe.汽輪機抽汽系統(tǒng)Steamextractionsystemofturbine汽輪機設(shè)三級抽汽。抽汽管道上設(shè)有動力逆止閥和關(guān)斷閥。Steamextractionsetupbythreestages.Thesteamextractionpipelineisprovidedwithacheckvalveandashutoffvalve.Thefirststagesteamextractionisastheprimarypreheatingsteamoftheairpreheater,and the condensed water return deaerator isprovided.Twostageextractionsteamastheheatingsteamofmediumpressuredeaerator. Theutilitymodelrelatestoaheatingsteamsystemofadeaerator,whichisprovidedwithamastercontrol,andasteamelectricregulatingvalveisarrangedontheheatingsteampipeofeachdeaerator.Threestagesteamextractionofsteamturbineforheatinglowpressureheater.Maincondensatesystem主凝結(jié)水系統(tǒng)是用來將凝汽器熱井中的凝結(jié)水通過凝結(jié)水泵送至除氧器。每臺汽輪機設(shè)置二臺凝結(jié)水泵（變頻調(diào)速臺運行，一臺備用。Themaincondensatesystemisusedtosendthecondensatewaterinthecondensertothedeaerator.turbineissetuptwosetsofcondensatepump(variablefrequencyspeedregulation),arun,aspare.Drainagesystem20m313m3Thewholeplanttosetup20m3ofthe1boxesandhydrophobic3m3,acontainerofhydrophobicexpansion.Lowpressureequipmentandpipingcondensateorhydrophobic,chemicalmake-upwaterdirectlyintowatertank.Thepressurewaterintheequipmentandthepipelinethroughthehydrophobicexpansiontotheexpansionofthecontainer,andthentothedraintank.Theutilitymodelischaracterizedinthattheutilitymodelischaracterizedinthatthedeaeratorisprovidedwithanoverflowjellyfishtube.Whenthewaterlevelofthedeaeratorwatertankishigh,thewaterisputintothewatertank.疏放水系統(tǒng)設(shè)置兩臺疏水泵，一臺運行、一臺備用Thedrainagesystemisequippedwithtwopumps,oneoperation,onestandby內(nèi)的水經(jīng)充放水母管送入汽包。Powerplantisequippedwithajellyfishtubefilling.Undernormaloperationcondition,thewaterinthedraintankafterdredgingpumpboosterintothedeaerator;andthenthedrainpumpwillbeputinthechargeofwaterinthedraintankjellyfishtubeintothedrum.Chemicalmake-upwater疏水箱，供系統(tǒng)補水和鍋爐上水用。Chemicalmake-upwaterfromchemicalwaterworkshopallthewayintothedeaerator,goingdirectlyaddtothedraintankforfillingwaterandboilerwater廠內(nèi)循環(huán)水及開式冷卻水系統(tǒng) InplantcirculatingwaterandopencoolingwatersystemCirculatingwatersystemforthefreshwatersourceofsecondarywatersupplysystem,toprovidecoolingwatertothecondensercirculatingwatersystem.Thecirculatingwaterinletandoutletpipeisequippedelectricbutterflyvalve,inordertoisolatetheaccess.Thecondensertubebundleismadeofstainlesssteelpipe.Thecondenserrubberballcleaningsystemequipped.開式冷卻水取自循環(huán)水，經(jīng)過濾后向發(fā)電機空氣冷卻器及汽機潤滑油冷卻器提供冷卻水。Opentypecoolingwaterfromthecirculatingwater,afterfilteringprovidecoolingwatertothegeneratoraircoolerandaslotheturbinelubeoilcooler.Industrialcoolingwater獨提供。回水采用壓力排水，進入工業(yè)水排水母管。Turbineroomandboilerroomequipmentcoolinguseindustrialcoolingwaterprovidedbytheprofessionalalone.Returnwaterisdrainageusingpressurethroughthewatermothertubeintotheindustry.6、電氣部分Electricalpart400t/d110kV/檢修電源系統(tǒng)、高低壓廠用電系統(tǒng)、直流和UPS構(gòu)筑物系統(tǒng)、廠內(nèi)通信系統(tǒng)等。Electricalpartmainlyincludes:two400t/dtocarryonthedesignof110kvpowerdistributionequipment,themaintransformer,generatoranditsqualificationmaintransformerboostersystem,stop/repairthepowersupplysystem,highandlowvoltageauxiliarypowersystem,dcandUPSsystemmeasurement,control,protectionandautomaticdevice,overvoltageprotectionandgroundingsystem,lightingandmaintenancesystem,cableanditsstructuresystemandcommunicationsysteminfactory,etc.7、自控系統(tǒng)AutomaticcontrolsystemConfigurationprinciple垃圾焚燒廠自動化控制的目的是要獲得最佳的垃圾焚燒控制。Thepurposeofautomaticcontrolofwasteincinerationplantistoobtainthebesteffectofwastetomeetthestringentrequirementsoffluegaspurification,toachievestablewasteheatutilizationandpreventaccidents.Atthesametime,theutilitymodelrealizestheoperationcontrolofvariousauxiliaryequipmentandpublicfacilities.垃圾焚燒廠的自動化控制將采用成熟的控制技術(shù)和冗余的技術(shù)，根據(jù)垃圾焚燒設(shè)施的特點設(shè)計，能夠滿足設(shè)施安全、經(jīng)濟運行和防止對環(huán)境二次污染的要求。Automaticcontrolofwasteincinerationplantwillusetheredundancydesignandcontroltechnology,withhighreliabilityandthepriceperformanceratioofequipmentandcomponentsforthesystemincludingtheuseofadvancedandstablehardwareandsoftware.Automaticcontroladoptsthereliabletechnology,accordingtothecharacteristicsofthewasteincinerationfacilitiesdesign,tomeetthesafetyandeconomicoperationofthefacilityandtopreventthetwopollutionoftheenvironmentrequirements.（DCSandinspectiontourwith,inthecentralcontrolroomthedistributedcontrolsystemtorealizethecentralizedmonitoringofwasteincinerationfluegaspurification,powerline,turbineprocessandauxiliarysystemanddecentralizedcontrol.Inthecaseofnonnormaloftheburningline,becausethegarbagecanstillbespontaneouscombustionforaperiodoftime,theneedtomaintaintheboilerwatercycleinordertoavoidtheoccurrenceofdrypotaccident.DCS訊)實現(xiàn)就地控制，但重要的現(xiàn)場信息將全部送入中央控制室采用集散控制系統(tǒng)(DCS)集中監(jiān)視。Totheauxiliarydevicewhichdoesnotaffecttheoverallprocesscontrol(suchasleachatetreatment,garbagegrabsystemandheatingventilationcontrol,willbesetupon-sitecontrolcabinetandcommunicationwithD