火力发电厂设计术语中英对照XX.doc

火力发电厂设计术语中英对照XX 火力发电厂1设计术语中英对照Vocabulary Forfossil firedpower plant目2录 一、总图部分（一）图纸名称厂区总平面布置图Plant plotplan厂区竖向布置图Plant verticallayout厂区场地初平图Preliminary ground leveling厂区场地终平图Finish groundleveling厂区排水沟布置及详图Drainage layout&details厂区道路布置及详图Layout of plant road&details厂区栅栏大门平面布置图Fence&gate layout厂区管线综合布置图Pipe-line plexlayout厂区管沟、电缆沟布置图Trench forpipe andcable layout&details厂区管架布置图Rack forpipe andcable layout厂区煤水沟布置及详图Ditch forcoal waterlayout&details厂平面布置图plant layout总体平面布置图general planlayout总体布置general layout总图布置general layout of plant site（二）技术术语地形图topographic drawing;topographic map测绘survey anddrawing(mapping)海拨标高elevation abovesea level地震烈度earthquake intensity厂址及自然环境的概况general surveyofplantsite andnatural environment电厂厂址plantsite电厂位置location ofpower plant总体布置general layout地势terrain平坦smooth平原flat ground外观outward appearance岩理banding地势平坦smooth terrain土壤耐压力bearing capacityof soil气象及水文资料meteorological andhydrologic data变化天气日数foul weatherdays气候温和a temperateclimate气压atmospheric pressure气温atmospheric temperature最高气温highest atmospherictemperature最低气温lowest atmospherictemperature平均气温4average temperature平均最高maximum average绝对最低minimum absolute绝对最高maximum absolute露点温度dew pointtemperature相对湿度relative humidity毫巴mob(millibar)主导风向prevailing wind东北风north-east wind南风south wind风速wind velocity能见度visibility雾fog薄雾mist多雾的foggy暴雨storm wind雷暴日thunderstorm降雨量rainfall24小时最大降雨量24hours maximumrainfall平均日降雨量daily averagerainfall平均年降雨量annual averagerainfall多云天气cloudy潮汐tide冰雹hail海水sea water湖水river water地面水surface water地下水ground-water深层水water indeep layer水位water level水位降落深度lowering of water level深井水资料deep well water data深井水水质分析qualitative analysisof deepwellwater水力坡度hydraulic gradient最高洪水highest flood最高洪水位maximum floodlevel历年最高洪水位highest floodlevel overthe years旱季dry season丰水期water-rich stage洪水期flood period枯水期dry period封冻期frost period通航期navigable period封冻日数frost duration影响半径5radius ofinfluence四季常青evergreen水果园orchard秧苗rice seeding绿化greening肥料fertilizer工作制度working regime三班运行three shiftsoperation生产能力productive capacity人员组成personnel ponent道路标高elevation ofroad junction室内地坪标高elevation offloor level室外地坪标高elevation ofgroundlevel征地线boundary-line ofland expropriation建筑坐标标注mark ofbuilding coordinate孔隙率pore ratio(porosity)渗漏率seepage rate均匀系数uniformity coefficient（三）建筑物名称工厂围墙plant enclosingwall围栅fence综合管架bined pipeframe场地排水明渠siet drainageditch新建（构）筑屋new buildings&structures地下设施underground installtion新建道路newly builtroad15OkV屋外配电装置15OkV switchyard网络控制楼switch yardcontrol building厂用变压器station-service transformer主变压器main transformer启动/备用变压器start-up/stand bytransformer集中控制楼central control building输煤综合楼coal handlingcontrolbuilding贮煤场coal storageyard驱动间:driving house碎煤机室crusher house转运站transfer tower输煤栈桥coal track带式输送机廊道及栈桥Belt ConveyorGallery AndViaduct引桥approach trestle除铁器间magic separatorhouse采样器间sampling house推煤机库bulldozer garage斗轮机6Bucket WheelStacker-reclaimer点火油库ignition oildepot点火油泵房ignition oilpump room渣仓slag silo灰库ash silo灰场ash yard沉灰池ash waterdepositing pond灰库气化风机房gas blowerhouse灰场管理间ash yardmanagement station灰水处理间ash flushingwater disposalroom灰场管理站车库garage of ash yardmanagement station煤水处理站coal watersetting pond沉煤池coal waterdepositing pond电除尘控制楼ESP controlbuilding综合泵房bined pumphoues消防泵房fire-fighting pump house泡沫泵房foam pump house工业废水处理站factory effluentdisposal station工业废水集水井industrial wastewater collectingwater well生活污水处理间domestic sewagedisposal station生活污水调节池sanitary adjustwater pond化学水处理站chemical watertreatment room海水淡化车间desalination plantof seawater海水预处理站pretreatment stationof seawater淡水池fresh water pond中水池waterpond制氯间chlorination room制氢站hydrogen generationplant&storage tank启动锅炉房start-up boilerhouse锅炉岛boiler island煤仓间bunker room除氧间deaerator room汽机房turbine house烟囱及烟道chimney&chimney flue静电除尘器electrostatic precipitator引风机室induced draetfan循环水泵房circulating water pump house循环水配电间switchborad roomof circulating waterpump house循环水加药间water intakedosing house虹吸井siphon well联络阀门井connecting valvewell排水明渠dischager canal排水口water discharge取水口water intake取水构筑物7water intakestructure取水明渠土water intakeopen channel取水泵房water intakepump house生产检修间work and maintenance shop材料库warehouse化学试验楼chemical laboratorybuilding行政管理楼administration building消防站fire-hose station车棚car shed传达室guard house煤码头coal jetty防浪堤breakwater/bulwark/digue/seawall护岸breast wall 二、材料部分（一）技术术语材料表:materials list主要材料:main materials设备编号:equipment no.(eqpt.No.)序号:ser.No.名称:name规格:specification数量:quantity(qty)备注:remarks注:note件、根、只:piece付:pair无缝SEAMLESS（SMLS）镀锌GALVNIZED（GALV）螺纹THREAD（T.E）加厚:THICKED(T.D)对焊:BUTT-WELDING(B.W)承插焊:SOCKET-WELDING(S.W)卡套式:FERRULE-TYPE(F.T)插入式INSERT-TYPE(INT)压环式PRESSION-TYPE(P)内螺纹FEMALE THREAD(F)外螺纹MALE THREAD(M)石棉泥封堵:block upwith asbestos（二）材料名称阀门valve闸阀gate valve隔离阀8isolation valve截止阀stop valve止回阀check valve法兰截止阀flanged stop valve法兰止回阀flanged checkvalve法兰闸阀flanged gatevalve内螺纹截止阀internal threadsstopvalve调节阀Control valve法兰flange法兰堵板flange cover90度弯头90elbow弯通elbow三通tee膨胀伸缩节expansion joint螺栓bolt螺母nut垫圈washer镀锌钢管galvanized steel pipe厚壁钢管thick-walled steelpipe薄壁钢管thin-walled steelpipe无缝钢管seamless steelpipe焊接钢管welded steelpipe镀锌水煤气输送钢管galvanized water-gas steelpipe不锈钢钢管stainless steelpipe螺旋缝电焊钢管spiral weldedsteelpipe混凝土管concrete pipe钢筋混凝土管reinforced concretepipe玻璃钢管glass fiberreinforced plasticspipe（FRP）PVC管PVC pipe法兰管pipe flangedpipe承插管spigot andsocket pipe喇叭管flared pipe异径管reducing pipe套管sleeve pipe钢套管steel sleevepipe柔性防水套管flared pipe型刚性防水套管typerigid water-proof sleeve刚性防水套管rigid water-tight sleeve槽钢steel channel角钢steel angle扁钢steel flat石棉橡胶垫圈asbestos-rubber washer石棉橡胶垫片asbestos rubberspacer吊支架hanger二阀组92-VALVE MANIFOLD多路阀GAUGE MULTIPORTVALVE三阀组3-VALVE MANIFOLD五阀组5-VALVE MANIFOLD导压管PRESSURE TAP气动管PNEUMATIC TUBE取压管接头PRESSURE TAP压力表接头GAUGE CONNECTOR冷凝弯（圈）pipe siphon终端接头end connector活接头union取源法兰接管weld neckflange取源管接头pressure tap直通终端接头end connector直通中间接头或活接头union弯通中间接头elbow三通中间接头tee取源法兰接管weld neckflange取源管接头pressure tap直通终端接头end connector直通中间接头或活接头:union弯通中间接头:elbow三通中间接头:tee穿板接头bulkhead填料函packing带丝堵的三通plug tee放空丝堵vent plug排放丝堵drain plug隔离容器seal chamber冷凝容器condensate pot分离容器separator orseal chamber大小头reducer管帽cap丝堵plug单头活接头half union伴热管tracer保温insulation疏水器steam trap保温箱（保护箱）heating box(protection box)防爆密封接头EX(d).armored-cable packing gland防水密封接头water-proof packing gland防爆铠装电缆密封接头EX(d).armored-cable packinggland防水铠装电缆密封接头water-proof armored-cable packinggland接管式防爆密封接接头EX(d).packingglandfor connectingpipe防爆密封接头挠性管10flexible conduitwith EX(d).packinggland防水密封接头挠性管flexible conduitwith water-proof packinggland防水挠性管water-proof flexibleconduit低压镀锌焊接钢管low pressuregalvanized pipe.(L.P.GALV.)钢制电缆管rigid steelconduit穿线盒pull box密封接头sealing fitting护线帽bushing锁紧螺母；lock nut管箍coupling标准弯管normal bend通用穿线盒univerasal fitting增安型increased-safefty接线箱junction box电缆汇线槽cable duct电缆桥架cable tray电力电缆power cable控制电缆control cable补偿电缆pensating cable多芯电缆multi-core cable同轴电缆coaxial cable计算机电缆阻燃电缆fire retardedcable防火电缆；油基橡胶绝缘电缆oil baserubber insulatedcable油基橡胶绝缘电缆oil baserubber insulatedcable多芯油基橡胶绝缘电缆multi conductoroil baserubber insulatedcable油基橡胶绝缘三芯电缆oil baserubber insulatedtriple-core cable电缆套cable gasket 三、锅炉动力部分（一）图纸名称总说明及卷册目录Description ofdetail designand volumelist设备清册Equipment list主厂房布置图Arrangement drawing of mainbuilding辅助设备安装图Auxiliary equipmenterection diagram within mainbuilding制粉系统安装图Pulverized coalsystem erection diagram烟风系统安装图Flue gasand air system erection diagram锅炉房辅助设备安装图Auxiliary equipmenterection drawing within boiler area and coal bunker bay锅炉房平台扶梯安装图Platforms andstairs within boiler area and coal bunker bay锅炉房检修起吊设施安装图Hoists andmonorails within boiler area and coal bunker bay11磨煤机、给煤机设备安装图Mill andcoal feedererection diagram送风机、引风机、一次风机设备安装图Forced draftfan,induced draftfan andPrimary airfan erection diagram制粉系统Pulverized coalsystem原煤及制粉系统图Raw coaland pulverizedfuel handling system flow diagram送粉管道安装图Pulverized coalfeed pipe erection diagram烟风系统Flue gasand air system锅炉烟风道系统图Air andflue gassystem flow diagram一次冷风道安装图Primary cold air duct erection diagram一次热风道安装图Primary hot air duct erection diagram二次冷风道安装图Secondary coldair duct erection diagram二次热风道安装图Secondary hotair ducterection diagram烟道安装图Flue gasducterection diagram锅炉监控设备冷却风道安装图Flame scanningequipment coldingair ducterection diagram给煤机、磨煤机密封风道安装图Mill andcoal feedersealing air ducterection diagram仪用及厂用压缩空气系统流程图Instrument air and serviceairsystem flowdiagram锅炉房仪用及厂用压缩空气管道安装图Instrument airand serviceair pipe erection diagram within boiler area空压机室设备及管道安装图Equipment andpipe erection diagram withinpressor house锅炉疏水排污系统Boiler drainand blowdownsystem锅炉疏水、排汽系统图Boiler drainand ventsystem flowdiagram锅炉排污管道安装图Boiler blowdownpipe erection diagram锅炉放水管道安装图Discharge pipe erection diagram within boilerhouse连排扩容器有关管道安装图:Continuous BlowdownFlash Tankmiscellaneous pipe erection diagram定排扩容器排污、排汽管道安装图Intermittent BlowdownFlash Tankmiscellaneous pipe erection diagram锅炉吹灰系统疏水管道安装图Soot blowersystem drainpipe erection diagram燃油系统Fuel oilsystem燃油系统图Fuel oilsystem flowdiagram燃油系统及总平面布置图Fuel oilsystem diagramand generallayout燃油系统及总平面布置图Fuel oilsystem diagramand generallayout卸油设备及管道安装图Equipment&pipe erection diagram withinunloading oilpumphouse12油泵房设备及管道安装图Equipment&pipe erectiondiagram withinoil supplypumphouse厂区燃油、汽水管道安装图Fuel oilarea tostart-up boiler and mainbuilding pipe erectiondiagram锅炉房燃油管道安装图Fuel oilpipe erectiondiagram within boiler area油罐区设备管道安装图Equipment andpipe erectiondiagramwithinoil tankarea污油处理设备及管道安装图Contaminated oilhandling system equipment&Pipe erectiondiagram油罐开孔图Open poredrawing ofoil tank其它系统Miscellaneous systemwithin mainbuilding锅炉房杂项管道安装图Miscellaneous pipe erectiondiagramwithin boilerarea andcoal bunkerbay柴油发电机房设备和管道安装图Equipment andpipe withindiesel generatorhouse启动锅炉房Star-up boiler启动锅炉房系统及布置图system andarrangement drawing of start-up boilerhouse启动锅炉燃油、烟风系统设备及管道安装图Fuel oil,Air andFlue gassystem equipment&pipe erectiondiagramwithin start-up boilerhouse启动锅炉汽水系统设备及管道安装图Stem-water systemequipment&pipe erectiondiagramwithin start-up boilerhouse启动锅炉排汽管道安装图Exhaust and vent pipe erectiondiagramwithin start-up boilerhouse启动锅炉房至海水淡化蒸汽管道安装图Start-up boilerto desalinationplant steam pipe erectiondiagram烟道加强筋图drawing of flue reinforcement取样冷却安装图erectiondiagramof samplecooler水封制作图working drawingofwaterseal软化水箱制作安装图working anderectiondiagramof softenedwater tank盐溶液箱制作安装图working anderectiondiagramof saltsolution tank排污冷却池图drawingofblow downcooling pond管道平面布置图layoutofpiping line剖视图section冷风道安装图erectiondiagramof flue除尘器安装图erectiondiagramof dustcollector出灰管安装图erectiondiagramofashdischarging pipe热平衡图heat balancediagram等角简图schematic isometric进口阀门清册imported valveslist锅炉房辅助设备安装图13Auxiliary equipmenterection drawing within boilerareaandcoalbunkerbay锅炉房平台扶梯安装图platforms andstairs within boilerareaandcoalbunkerbay锅炉房检修起吊设施安装图motor-driven boilerfeed waterpump andcondensate pumperection drawing磨煤机、给煤机设备安装图mill andcoal feedererection drawing送风机、引风机、一次风机设备安装图forced draftfan,induced draftfan andPrimary airfan erection drawing原煤及制粉系统图raw coaland pulverizedfuel handlingsystem flowdiagram送粉管道安装图pulverized coalfeed pipe erection drawing锅炉烟风道系统图airandflue gassystem flowdiagram烟道安装图（2号除尘器出口侧）erection drawingof flueduct(outlet ofESP for2#boiler)烟道（烟囱进口）安装图erection drawingofflue gas duckinlet ofcheimney锅炉监控设备冷却风道安装图flame scanningequipment coldingair ducterection drawing给煤机、磨煤机密封风道安装图mill andcoal feedersealing airducterection drawing空气预热器冲洗水管道安装图erection Drawingof AirPreheater WashingWater Piping辅助蒸汽系统流程图auxiliary steamsystem flowdiagram启动锅炉房至辅助蒸汽供汽管道安装图start-up boilerto auxiliary steam pipe erection drawing辅助蒸汽汽源管道安装图auxiliary steamsource pipe erection drawing辅助蒸汽母管安装图auxiliary steamconnection pipe erection drawing制粉系统消防管道安装图pulverized coalhandlingsystemfire controlsteampipeerection drawing减温水及杂用水管道安装图LP desuperheatingwater pipeerection drawing凝结水补充水和锅炉上水管道安装图condensate make-up water pipeerection drawing除盐水管道安装图erection drawingof condensateoverflow tomake-up watertank piping1号机锅炉房闭式循环水管道安装图No.1unit closed cycle cooling water pipeerection drawing withinboilerarea疏水扩容器有关管道安装图condenser flashtank miscellaneous pipeerection drawing仪用及厂用压缩空气系统流程图instrument airand serviceairsystemflowdiagram锅炉房仪用及instrument airand serviceair pipeerection drawing厂用压缩空气管道安装图14withinboilerarea空压机室设备及管道安装图equipment andpipeerection drawing withinpressor house厂区压缩空气管道安装图pressed airpipeerection drawing betweenpressor houseandmainbuilding锅炉疏水、排汽系统boiler drainandventsystemflowdiagram锅炉排污管道安装图boiler blowdownpipeerection drawing锅炉放水管道安装图discharge pipeerection drawing withinboilerhouse连排扩容器管道安装图continuous BlowdownFlash Tankmiscellaneous pipeerectiondrawing定排扩容器排污、排汽管道安装图intermittent BlowdownFlash Tankmiscellaneous pipeerectiondrawing锅炉吹灰系统疏水管道安装图soot blowersystem drainpipeerectiondrawing燃油系统及总平面布置图fuel oilsystem diagramand generallayout卸油泵房设备及管道安装图equipment&pipeerectiondrawing withinunloading oilpumphouse锅炉房燃油管道安装图fuel oilpipeerectiondrawingwithinboilerarea油罐区设备管道安装图equipment andpipeerectiondrawingwithinoil tankarea油罐开孔图open poredrawingofoil tank氮气管道安装图N2pipeerectiondrawing空气预热器冲洗水管道安装图air preheaterwashing water&discharge pipeerectiondrawing全厂疏放水管道安装图discharge pipeerectiondrawingwithin mainbuilding锅炉房杂项管道安装图miscellaneouspipeerectiondrawingwithinboilerareaandcoalbunkerbay柴油发电机房设备安装图equipment andpipe withindiesel generatorhouse启动锅炉房系统及布置图system andarrangement drawingof start-up boilerhouse启动锅炉房设备及主要阀门清册equipment listof start-up boilerhouse启动锅炉房设备安装图fuel oil,Air andFlue gassystemequipment&pipeerectiondrawingwithinstart-up boilerhouse启动锅炉区管道安装图stem-water systemequipment&pipeerectiondrawingwithinstart-up boilerhouse启动锅炉排汽管道安装图exhaust andvent pipeerectiondrawingwithinstart-up boilerhouse热机设备部分保温油漆设计design ofinsulation andpainting of thermal mechanicequipment热机管道部分保温油漆设计design ofinsulation andpainting ofthermal mechanicpipe15启动锅炉排汽管道安装图exhaust andvent pipeerectiondrawingwithinstart-up boilerhouse（二）技术术语蒸汽工况steam condition蒸发量evaporating capacity负荷load流量flow工作压力working pressure工作温度working temperature过热蒸汽温度super-heated steamtemperature二次再热double-reheat/double-reheated主蒸汽main steam主蒸汽回路main steamcircuit辅助用蒸汽auxiliarysteam闭式循环closed cycle热平衡heat balance热循环heat cycle锅炉及透平控制boilerandturbine controlsystem给水feed-water给水系统feed-water system给水设备feed-water equipment锅炉补给水系统boiler make-up water system循环水系统circulating water system循环冷却水系统circulating cooling watersystem冷却水coolingwater冷却水系统coolingwatersystem封闭式水冷却系统closed coolingwatersystem凝结水净化系统condensate clean-up system喷水系统water sprinklingsystem闭路（封闭回路）closed circuit烟气flue gas烟道气stack gas集尘系统dust collectingsystem右旋right-handed左旋left-handed冲刷系统sluicing system接冲灰水管connecting toash sluicingwaterpipe排灰系统ash exhaustingsystem炉底灰bottom ash飞灰fly ash灰ash灰的熔化点ash fushiontemperature,ash fushionpoint,ash meltingpoint16灰渣系统ash system炉灰处理系统ash disposalsystem除灰ash removal主要设备及辅助设备main equipmentand auxiliaries锅炉汽水系统boiler steamand watercircuit最大蒸发量maximum evaporation单位蒸发量specific evaporation额定蒸发量nominal capacity最大连续蒸发量maximum continuousrating额定蒸汽参数nominal steamparameter额定蒸汽压力nominal steampressure额定蒸汽温度nominal steamtemperature额定热水温度nominal hotwater temperature给水温度feed watertemperature排污率rate ofblowdown锅炉热力计算thermal calculationfor boilers燃料消耗量fuel consumption计算燃料消耗量calculated fuelconsumption理论燃烧温度theoretical bustiontemperature炉膛出口烟气温度furnace outletgas temperature排烟温度exhaust gastemperature锅炉热效率boiler efficiency锅炉热损失boiler heat loss排烟热损失heat lossdue toexhaust gas;气体不完全燃烧热损失heat lossdue tounburned gases;固体不完全燃烧热损失heat lossdue tounburned carbonin refuse;散热损失heat lossdue toradiation;灰渣物理热损失heat lossdue tosensible heatin slag飞灰可燃物含量（飞灰含碳量）unburned bustiblein fluedust漏风系数air leakagefactor燃烧控制系统bustion controlsystem燃烧方式mode ofbustion层燃fuel bedfiring悬浮燃烧suspension切向燃烧tangentially firing四角喷射燃烧corner firing不稳定燃烧instable bustion负压燃烧balance draftbustion微负压燃烧pressurized bustion燃料fuel热值calorific value燃料油fuel oil点火17ignition点火准备ignition preparation着火点firing point,ignition temperature折焰角furnace arch燃烧切圆firing tangentialcircle火焰中心flame center燃烧bustion燃烧效率bustion efficiency燃烧速度bustion rate机械未完全燃烧热损失heat lossdue tomechanical inpletebustion化学未完全燃烧热损失heat lossdue tochemical inpletebustion灰渣热损失heat lossdue tosensible heatin refuse排烟热损失heat lossdue toflue gas散热损失heat lossdue toradiation热损失heatloss火焰flame炉膛容积热负荷furnace volumeheat release rate炉膛温度furnace temperature锅炉水循环boiler water circulation偏离泡核沸腾departure fromnucleate boiling(DNB)水压试验hydraulic test汽水共沸priming煤粉细度fineness ofpulverized coal可磨系数grindability index锅炉热平衡boiler heatbalance超负荷运行overload operation正压positive pressure负压negative pressure理论空气量theoretical airquantity过剩空气量excess airquantity除渣slag removal烟气flue gas锅炉上水boiler waterfilling蠕胀爆管tube burstdue tocreep汽包满水overfeed ofwater intodrum锅炉灭火boiler fireextinction爆燃puff爆炸（外爆）explosion内爆implosion防爆anti-explosion煤粉自燃pulverized coalself-ignition,pulverized coalspontaneous bustion堵灰ash fouling堵煤coal jamming,coal plugging积粉18pulverized coaldeposits粉灰ash deposits飞灰可燃物bustibles infly ash灰水回收recovery ofash slurrywater细灰fine ash粗灰coarse ash干灰dry ash湿灰wet ash燃烧系数bustion system,firing system制粉系统coal pulverizingsystem除灰系统ash handlingsystem点火用油fuel oilfor ignition飞灰腐蚀fly ashcorrosion含氧量oxygen content蒸发量evaporation,evaporative capacity切换风air switch-over煤耗率coal consumptionrate入炉煤发热量heating valueoftheas firedcoal停炉boiler shutdown熄火fire-off一次风（一次空气）primary air二次风（二次空气）secondary air三次风（三次空气）tertiary air冷风coldair热风hotair炉膛容积热负荷furnace volumeheat releaserate干式除灰（气力除灰）pneumatic pressureash handling水力除灰hydraulic ashhandling空气斜槽airslide,air gravityconveyor灰渣分除bottom andfly ashseparate handling灰渣混除bottom andfly ashmixed handling灰渣利用bottom andfly ashrecovery气固两相流动gas-solid two-phase flow闭路循环closedcycle蒸汽带水carryoery炉膛灭火boiler flamefailure,boiler flameblackout稳定燃烧stable bustion锅炉效率boiler efficiency锅炉热力计算boiler thermodynamialculation锅炉空气动力计算boiler aerodynamialculation锅炉水循环计算boiler watercirculation calculation锅炉水力计算boiler hydrodynamialculation锅炉强度计算boiler strengthcalculation锅炉热平衡boiler heatbalance calculation正平衡法19direct balancemethod反平衡法indirect balancemethod排烟温度fluegastemperature低温腐蚀low temperaturecorrosion高温腐蚀high temperaturecorrosion结垢腐蚀deposit corrosion飞灰磨损fly asherosion炉膛负压furnace draft最高允许温度m