電力英語技術術語

一、鍋爐部分

1.超臨界壓力鍋爐supercriticalpressureboiler

2.亞臨界壓力鍋爐subcriticalpressureboiler

3.超高壓鍋爐super-highpressureboiler

4.蒸汽鍋爐steamboiler/Aclosedtankinwhichwaterisconvertedinto

steamunderpressure.

5.蒸汽發生器steamgenerator/Aclosedtankinwhichwaterisconvertedinto

steamunderpressure.

6.液態排渣鍋爐wetbottomboiler/Awet-bottomfurnaceorwet-bottomboileris

boilerthatcontainsawetbottomfurnace.Itisakindofboilerusedforpulverisedfuelfiring.In

wetbottomboilerthebottomashiskeptinamoltenstateandtappedoffasaliquid.Wetbottom

boilerslagisatermthatdescribesthemoltenconditionoftheashasitisdrawnfromthebottom

oftheslag-taporcyclonefurnaces.Anadvantageisthefactthattheendproductinthisprocess

hasahighervaluecomparedtothatofadrybottomboiler.Wetbottomboilersarepreferredfor

lowvolatilecoalsthatproducealotofash.Butithashigherinvestmentcostsandhigher

maintenancecosts,soitisbuiltlessoften.

7.固態排渣鍋爐drybottomboiler

8.燃煤鍋爐coal-firedboiler

9.燃氣鍋爐Gas-firedboiler

10.燃油鍋爐oil-firedboiler

11.自然循環鍋爐naturalcirculationboiler/Inanaturalcirculationboiler

thecirculationisachievedbythedifferenceindensitywhenthewater

intheboilerisheated.

12.汽包(鍋筒)鍋爐drumboiler

13.強制循環鍋爐controlledcirculationboiler

14.直流鍋爐once-throughboiler/Aboilerinwhichwaterflows,without

recirculation,sequentiallythroughtheeconomizer,furnacewall,andevaporatingand

superheatingtubes.

15.復合循環鍋爐combinedcirculationboiler

16.旋風爐cyclonefurnaceboiler/Awater-cooledhorizontalcylinderinwhich

fuel(coal,gas,oroil)isfiredandheatisreleasedatextremelyhighrates.Whenfiringcoal,the

crushedcoalisintroducedtangentiallyintotheburneratthefrontendofthecyclone(see

illustration).About15%ofthecombustionairisusedasprimaryandtertiaryairtoimparta

whirlingmotiontotheparticlesofcoal.Thewhirling,orcentrifugal,actiononthefuelisfurther

increasedbythetangentialadmissionofhigh-velocitysecondaryairintothecyclone.

tangential

Schematicdiagramofcyclonefurnace.(FromT.Baumeister,ed.,StandardHandbookfor

MechanicalEngineers,8thed.,McGraw-Hill,1978)

Theproductsofcombustionaredischargedthroughawater-cooledreentrantthroatattherearof

thecycloneintotheboilerfurnace.Essentially,thefundamentaldifferencebetweencyclone

furnacesandpulverizedcoal-firedfurnacesisthemannerinwhichcombustiontakesplace.In

pulverizedcoal-firedfurnaces,particlesofcoalmovealongwiththegasstream;consequently,

relativelylargefurnacesarerequiredtocompletethecombustionofthesuspendedfuel.With

cyclonicfiring,thecoalisheldinthecycloneandtheairispassedoverthefuel.Thus,large

quantitiesoffuelcanbefiredandcombustioncompletedinarelativelysmallvolume,andthe

boilerfurnaceisusedtocooltheproductsofcombustion.SeealsoBoiler;Steam-generating

furnace;Steam?generatingunit.

17.沸騰爐fluidizedbedcombustion(FBC)boiler/Fluidizedbedcombustion

(FBC)isacombustiontechnologyusedinpowerplants.FBCplantsaremoreflexiblethan

conventionalplantsinthattheycanbefiredoncoalandbiomass,amongotherfuels.Fluidized

bedssuspendsolidfuelsonupward-blowingjetsofairduringthecombustionprocess.Theresult

isaturbulentmixingofgasandsolids.Thetumblingaction,muchlikeabubblingfluid,provides

moreeffectivechemicalreactionsandheattransfer.

Q

Combustionsystemsforsolidfuels

FBCreducestheamountofsulfuremittedintheformofSOAemissions.Limestoneisusedto

precipitateoutsulfateduringcombustion,whichalsoallowsmoreefficientheattransferfromthe

boilertotheapparatususedtocapturetheheatenergy(usuallywatertubes).Theheated

precipitatecomingindirectcontactwiththetubes(heatingbyconduction)increasestheefficiency.

Sincethisallowscoalplantstoburnatcoolertemperatures,lessNOAisalsoemitted.However,

burningatlowtemperaturesalsocausesincreasedpolycyclicaromatichydrocarbonemissions.

FBCboilerscanburnfuelsotherthancoal,andthelowertemperaturesofcombustion(800℃/

1500°F)haveotheraddedbenefitsaswell.

18.循環硫化床circulatingfluidizedbedcombustion(CFB)boiler

19.增壓循環硫化床鍋爐pressurizedcirculatingiluidizedbedcombustion(PCFBC)

boiler

20.鏈條鍋爐chain-grateboiler

21.熱水鍋爐hot-waterboiler

22.廢熱（余熱）鍋爐waste-heatboiler,heatrecoversteamgenerator(HRSG)

23.啟動鍋爐start-upboiler

24.廠用鍋爐auxiliaryboiler

25.垃圾焚燒鍋爐refuse-firedboiler,refuseincinerator

27.露天鍋爐outdoorboiler

28.單爐膛鍋爐singlefurnaceboiler

29.雙爐膛鍋爐twinfurnaceboiler

30.W火焰鍋爐W-flameboiler,vertical-firedboiler

31.L火焰鍋爐L-shapefurnaceboiler

32.塔式鍋爐towerboiler

33.箱式鍋爐box-typeboiler

34爐墻furnacewall

35.汽包（鍋筒）drum

36.封頭head

37.汽包封頭drumendplate,drumhead

38下.降管downcomer

39集.中下降管centralizeddowncomer

40分.散下降管distributeddowncomer

41上.升管riser

42.管束（排）tubebundle

43管.屏tubeplaten

44省.煤器管economizertube

45.過熱器管superheatedtube

46再.熱器管reheatertube

47蛇.形管coil

48吊.掛管supportingtube

49引.入管inletpipe

50.引出管outletpipe

51.飽和蒸汽管saturatedsteampipe

52.水冷壁管waterwalltube

53鰭.片管finnedtube,fintube,gilledtube

54.內螺紋管rifledtube,groovedtube

55吸.潮管moistureabsorptionpiping

56水.冷壁waterwall

57膜.式水冷壁membranewall

58.內螺紋水冷壁rifledtubewaterwall

59聯.箱header

60.集汽聯箱steamheader

61.衛燃帶baileywall,refractorybelt

62包墻管（包覆管）wallenclosuretube

63.防渣管（弗斯頓管）slagscreen,festontube

64.鍋爐本體boilerproper

65.鍋爐機組boilerunit

66.鍋爐構架boilerstructure

67.爐膛furnace

68.燃燒器burner

69.直流式燃燒器direct-flowburner

70.旋流式燃燒器turbulentburner

71.低NOX燃燒器lowNOXburner

72.搖擺式燃燒器tiltingburner

73.縫隙式燃燒器splitburner

74.燃燒室combustionchamber

75.油槍oilgun

76.風門damper

77.一次風primaryair

78.二次風secondaryair

79.三次風tertiaryair

80.煤粉管道pulverizedcoalpiping

81.管板tubeplate

82.沸點boilingtemperature

83.過熱器superheater

84.前屏過熱器frontplatensuperheater

85.后屏過熱器rearplatensuperheater

86.對流過熱器convectionsuperheater

87.輻射過熱器radiantsuperheater

88.屏式過熱器platensuperheater

89.頂棚過熱器ceilingsuperheater

90.包墻過熱器wallenclosuresuperheater

91.前包墻過熱器frontwallenclosuresuperheater

92.后包墻過熱器rearwallenclosuresuperheater

93.側包墻過熱器sidewallenclosuresuperheater

94.吹灰器sootblower

95.轉動式吹灰器rotarysootbolwer

96.伸縮式吹灰器retractablesootblower

97.受熱面積heatingsurfacearea,heatabsorptionarea

98.爐膛容積furnacevolume

99.爐膛熱負荷furnaceheatreleaserate,furnaceheatingabsorption

100.汽水分離器steamseparator,moistureseparator

101.起動分離器startingseparator

102.再循環管recirculatingpiping

103.暖風器(steam)airheater

104.再熱器reheater

105.再熱器冷段primaryreheater

106.再熱器熱段finalreheater

107頂.棚ceiling

108.省煤器economizer

109.管式省煤器tubeeconomizer

110.管式空氣預熱器tubularairpreheater

111.回轉式（再生式）空氣預熱器regenerativeairpreheater,rotaryairpreheater

112.板式空氣預熱器plateairpreheater

H3.空氣預熱器airpreheater

114.三分倉空氣預熱器trisectorregenerativeairpreheater

H5.漏風系數airleakagecoefficient

116.漏風率airleakageratio

117.漏風系統airleakagesystem

118.漏風試驗airleakagetest

119安全門safetyvalve

120.安全門開啟壓力openingpressureofsafetyvalve

121.安全門回座壓力safetyvalvereseatingpressure

122.安全門壓力整定試驗pressuresettingtestofsafetyvalve

123.安全門動作壓力safetyvalveoperatingpressure

124.飽和蒸汽安全門saturatedsteamsafetyvalve

125.過熱蒸汽安全門superheatedsteamsafetyvalve

126.再熱蒸汽安全門reheatedsteamsafetyvalve

127.防暴門explosionvent

128.檢查孔inspectionhole

129.事故噴水閥emergencywatersprayvalve

130.汽包事故放水閥emergencydrumdrainvalve

131.三通閥three-wayvalve

132.反沖洗閥backwashvalve

133.取樣閥samplingvalve

134.插板gate

135.給水大旁路門feedwateroverallbypassvalve

136.給水小旁路門feedwaterindividualbypassvalve

137.大板梁plategirder,upperbeam

138.外護板outercasing

139.鍋爐排污blowdown

140.定期排污擴容器intermittentblowdownflashtank

141.連續排污擴容器continuousblowdownflashtank

142.灰斗ashhopper

143.冷灰斗bottomashhopper,furnacehopper

144.混合器mixer

145.齒圈（大牙輪）ringgear,gearedring

146.空調器airconditioner

147.空氣壓縮機aircompressor

148.給煤機coalfeeder

149.皮帶式給煤機beltcoalfeeder

150.刮板式給煤機scrapercoalfeeder

151.葉輪式給煤機paddlecoalfeeder

152.給粉機pulverizercoalfeeder

153.磨煤機coalpulverizer,coalmill

154.鋼球磨煤機tubemill

155.中速棍式磨煤機rollermill,bowlmill,diskrollmill

156.雙進雙出鋼球磨煤機doubleinletandoutlettubemill

157.中速磨煤機mediumspeedmill

158.風扇磨煤機beaterwheelmill,beatermill

159.排粉風機pulverizedcoalexhauster

160.一次風機primaryairfan

161.煙氣再循環風機gasrecirculationfan

162.送風機forceddraftfan,forcefan

163.引風機induceddraftfan,inducedfan

164.離心風機centrifugalfan

165.軸流風機axial-flowfan

166.雙速風機doublespeedfan

167.軸流靜葉可調風機adjustablestatic-bladeaxial-flowfan

fixedpitchaxial-flowfan

168.軸流動葉可調風機adjustablemoving-bladeaxial-flowfan

variablepitchaxial-flowfan

169.原煤斗rawcoalbunker,rawcoalsilo

170.煤粉倉pulverizedcoalbunker

171.輸粉機pulverizedcoalconveyer

172.刮板輸粉機scraperpulverizedcoalconveyer

173.螺旋輸粉機pulverizedcoalscrewconveyer

174.粗粉分離器classifier

175.細粉分離器（旋風分離器）cycloneseparator

176.鎖氣器airlock,flap

177.喊速機speedreduce

178.看火孔observationhole

179人孔門manhole

180.重油泵heavyoilpump

181.重油加熱器heavyoilheater

182.汽-汽熱交換器biflux

183.煤氣罐gastank

184.膨脹補償節expansionjoint

185.直吹式制粉系統directfiringpulverizingsystem

186.中貯式制粉系統binstoragetypepulverizingsystem

187.鍋爐效率boilerefficiency

188.鍋爐熱力運算boilerthermodynamiccalculation

189.鍋爐空氣動力運算boileraerodynamiccalculation

190.鍋爐水循環運算boilerwatercirculationcalculation

191.鍋爐水力運算boilerhydrodynamiccalculation

192.鍋爐強度運算boilerstrengthcalculation

193.鍋爐熱平穩boilerheatbalancecalculation

194.正平穩法directbalancemethod

195.反平穩法indirectbalancemethod

196.過剩空氣系數excessaircoefficient

197.排煙溫度fluegastemperature

198.單位蒸量specificevaporation

199.低溫腐蝕lowtemperaturecorrosion

200.高溫腐蝕hightemperaturecorrosion

201.結渣slagging

202.結垢腐蝕depositcorrosion

203.飛灰磨損flyasherosion

204爐膛負壓furnacedraft

205.最高答應溫度maximumpermissibletemperature

206.爐膛正壓furnacepressure

207.水循環watercirculation

208.循環倍率circulationratio

209.除塵器dustcollector,precipitator

210.靜電除塵器electrostaticprecipitator

211.整流裝置rectifyingdevice

212.錘打裝置rappinggear

213.含塵濃度dustloadingconcentration

214.煤灰細度dustfineness

215.除塵效率dustcollectionefficiency

216.干式除塵器drydustcollector

217.濕式除塵器wetdustcollector,scrubber

218.文丘里除塵器venturescrubber

219.布袋除塵器fabricfilter,baghouse

220.鋼珠除塵裝置shot-cleaningdevice

221.水膜式除塵器centrifugalscrubber

222.灰渣泵ashpump,slagpump

223.軸封泵shaftsealingpump

224.灰漿泵ashslurrypump

225.除塵水泵dedustingpump

226.回收水池waterrecoverypond

227.清水池cleanwaterpond

228.灰漿池ashslurrypond

229.油泵坑oilpumppit

230.灰庫ashsilo

231.灰場ashyard

232.灰壩ashyarddam

233.耐火磚firebrick

234.保溫材料heat-insulatingmaterial

235.干式除灰（氣力除灰）pneumaticpressureashhandling

236.水力除灰hydraulicashhandling

237.正壓氣力除灰pneumaticpressureashhandling

238.負壓氣力除灰pneumaticpressureashhandling

239.倉式泵fluidizingtransporter

240.空氣斜槽airslide,airgravityconveyor

241.灰渣分除bottomandflyashseparatehandling

242.灰渣混除bottomandflyashmixedhandling

243.灰渣利用bottomandflyashrecovery

244.排渣槽bottomashhopper

245.埋刮板撈渣機submergedslagconveyor

246.螺旋式拼渣機screwslagconveyor

247.碎渣機clinkergrinder,slagcrusher

248.振動篩vibratingscreen

249.穩燃器flamestabiliaer

250.燃燒器蝸殼burnerspiralcase

251.霧化器atomization

252.機械霧化mechanicalatomization

253.蒸汽霧化steamatomization

254.空氣霧化airatomization

255.氣固兩相流動gas-solidtwo-phaseflow

256.閉路循環closedcycle

257.蒸汽帶水carryoery

258.爐膛滅火boilerflamefailure,boilerflameblackout

259.穩固燃燒stablecombustion

260.壓力容器pressurevessel

261.支吊架supportsandhangers

262.原煤管道rawcoalpiping

263.風道airduct

264.熱風道hotairduct

265.冷風道coldairduct

266.穿墻套管walkthroughbushing,wall-bushing

267.伸縮節expansionjoint

268.送粉管道pulverizedcoalfeedpiping

269.燃油管道fueloilpiping

270.風管道airpiping

271.一次風管道primaryairpiping

272.二次風管道secondaiyairpiping

273.落粉管pulverizedcoalchute

274.除灰管道ashpiping

275.煙道gasdust,gaspass

276.尾部煙道convectionfluegaspass

277.煤氣管gaspiping

278.連續排污管continuousblowdownpiping

279.煙囪chimney,stack

280.多管式煙囪multi-fluechimney

281.燃燒combustion

282.四角噴射燃燒cornerfiring

283.燃燒速度combustionrate

284.機械未完全燃燒熱缺失heatlossduetomechanicalincompletecombustion

285化學未完全燃燒熱缺失heatlossduetochemicalincompletecombustion

286.灰渣熱缺失heatlossduetosensibleheatinrefuse

287.排煙熱缺失heatlossduetofluegas

288.散熱缺失heatlossduetoradiation

289.熱缺失heatloss

290.火焰flame

291.不穩固燃燒instablecombustion

292.負壓燃燒balancedraftcombustion

293.微負壓燃燒pressurizedcombustion

294.爐膛容積熱負荷furnacevolumeheatreleaserate

295.爐膛溫度furnacetemperature

296.鍋爐水循環boilerwatercirculation

297.偏離泡核沸騰departurefromnucleateboiling(DNB)

298.水壓試驗hydraulictest

299.汽水共沸priming

300.點火ignition

301.點火準備ignitionpreparation

302.著火點firingpoint,ignitiontemperature

303.折焰角nose

304.飛灰flyash

305.煤粉細度finenessofpulverizedcoal

306.灰ash

307.灰的熔化點ashfushiontemperature,ashfushionpoint,ashmeltingpoint

308.可磨系數grindabilityindex

309.最大蒸發量maximumevaporation

310.鍋爐熱平穩boilerheatbalance

311.超負荷運行overloadoperation

312.正壓positivepressure

313.負壓negativepressure

314.理論空氣量theoreticalairquantity

315.過剩空氣量excessairquantity

316.冷風coldair

317.熱風hotair

318.除渣slagremoval

319.煙氣fluegas

320.鍋爐上水boilerwaterfilling

321.蠕脹爆管tubeburstduetocreep

322.汽包滿水overfeedofwaterintodrum

323.鍋爐滅火boilerfireextinction

324.爆燃puff

325.爆炸（外爆）explosion

326.內爆implosion

327.防爆anti-explosion

328.煤粉自燃pulverizedcoalself-ignition,pulverizedcoal

spontaneouscombustion

329.堵灰ashfouling

330.堵煤coaljamming,coalplugging

331.燃燒切圓firingtangentialcircle

332.火焰中心flamecenter

333.積粉pulverizedcoaldeposits

334.粉灰ashdeposits

335.飛灰可燃物combustiblesinflyash

336.點火用油fueloilforignition

337.飛灰腐蝕flyashcorrosion

338.受熱面heatingsurface

339.輻射受熱面radiationheatingsurface

340.對流受熱面convectionheatingsurface

341.尾部受熱面rearheatrecoverysurface

342.含氧量oxygencontent

343.蒸發量evaporation,evaporativecapacity

344.切換風airswitch-over

345.煤耗率coalconsumptionrate

346.入爐煤發熱量heatingvalueoftheasfiredcoal

347.停爐boilershutdown

348.熄火fire-off

349.灰水回收recoveryofashslurrywater

350.細灰fineash

351.粗灰coarseash

352.干灰dryash

353.濕灰wetash

354.燃燒系數combustionsystem,firingsystem

355.制粉系統coalpulverizingsystem

356.除灰系統ashhandlingsystem

二、汽輪機

357.汽輪機steamturbine

358.凝汽式汽輪機condensingsteamturbine

359.背壓式汽輪機backpressureturbine

360.抽汽式汽輪機steamextractionturbine

361.中間再熱式汽輪機reheatingtypesteamturbine

362.供熱式汽輪機steamsupplyturbine,heatsupplyturbine,cogenerationturbine

363.沖動式汽輪機impulseturbine

364.反動式汽輪機reactionturbine

365.軸流式汽輪機axialflowturbine

366.輻流式汽輪機radialflowturbine

367.單軸汽輪機tandemcompoundturbine,single-shaftturbine

368.雙軸汽輪機double-shaftturbine,crosscompoundturbine

369.前置式汽輪機toppingturbine

370.燃氣輪機gasturbine

371.高壓汽輪機highpressureturbine

372.中壓汽輪機mediumpressureturbine

373.低壓汽輪機lowpressureturbine

374.超高壓汽輪機ultrapressureturbine

375.亞臨界壓力汽輪機subcriticalpressureturbine

376.超臨界壓力汽輪機supercriticalpressureturbine

377.空冷式汽輪機組aircooledturbineunit

378.燃氣輪機組（裝置）gasturbineunit

379.高壓汽缸high-pressure(HP)cylinder

380.中壓汽缸intermediate-pressure(IP)cylinder

381.低壓汽缸low-pressure(LP)cylinder

382.內汽缸innercasing

383.外汽缸outercasing

384.上汽缸uppercasing

385.下汽缸lowercasing

386.汽缸法蘭螺栓加熱裝置cylinderflangeheatingappliance

387.汽缸臺板（底板）cylindersolepin

388.汽缸貓爪cylinderclaw

389.滑銷slidingpin

390.橫銷traversepin

391.縱銷longitudinalpin

392.立銷verticalpin

393.定位銷aligningpin,locatingpin

394.汽輪機轉子turbinerotor

395.葉輪bladedisc

396.葉片blade,bucket

397.動葉片movingblade

398.靜葉片statorblade

399.葉根型式typeofbladeroot

400.末級葉片長度lengthoflaststageblade

401.噴嘴室nozzlebox

402.末級葉片強度laststagebladestress

403.排汽室steamexhausthood

404.噴嘴nozzle

405.圍帶shroudring

406.拉筋（拉金）lacingwire

407.平穩塊balanceweight

408.固定螺釘dowel

409.隔板diaphragm

410.隔板套diaphragmsleeve

411.隔板汽封diaphragmseal,diaphragmsealing

412汽封steamsealgland,steamsealing

413.迷宮式汽封labyrinthseal

414.梳齒式汽封serrate-typesteamseal

415.汽封套sealbushing

416.汽封塊sealblock

417.汽封齒sealtooth

418.軸承支架bearingstoll,bearingbracket

419.主軸承箱mainbearingbox

420.滾珠軸承ballbearing

421.滾柱軸承rollerbearing

422.滑動軸承slidingbearing

423.推力軸承thrustbearing

424.止推環thrustcollar

425.瓦枕bearingpillow

426.鎖餅lock

427.推力瓦塊thrustbearingpad

428.主油泵mainoilpump

429.備用油泵emergencybearingoilpump

430.調速油泵regulationoilpump,speedgovemingoilpump

431.交流潤滑油泵AClubeoilpump

432.直流潤滑油泵DClubeoilpump

433.注油器oilinjector

434.同步器synchronizer

435.同步器手輪synchronizerhandwheel

436.控制滑閥pilotvalve

437.隨動滑閥servo-valve

438.分配滑閥distributingpilotvalve,distributorvalve

439.中間滑閥intermediatevalve

440.微分器differentiator

441.功率限制器loadlimiter

442.動態校正器dynamiccorrector

443.滑閥套valvesleeve

444.噴油嘴oilnozzle

445.彈性調速器flexiblegovernor

446.調速器擋塊governorstop

447.危急遮斷器滑閥emergencytrippilotvalve

448.撞擊子ram

449.防火滑閥fireprotectionpilotvalve

450.延滯滑閥delaypilotvalve

451.跟蹤滑閥follow-uppilotvalve

452.電.液轉換器electro-hydraulicconverter,electro-hydraulictransducer

453.切換滑閥change-overpilotvalve

454.危急保安器emergencygovernor

455.危急保安器滑閥emergencygovernorpilotvalve

456.超速試驗滑閥overspeedtestpilotvalve

457.噴油試驗滑閥nozzletestpilotvalve

458.反饋滑閥feedbackpilotvalve

459.起動排油閥oildrainvalveatstar-up

460.緊急放油閥emergencyoilrelievevalve

461.排油口oildiachargeoutlet

油口oilnozzle

462.節流滑閥throttlepilotvalve

463.滑動油閥movablepilotvalve

464.高壓自動關閉器high-pressureautomaticclosinggear

465.中壓自動關閉器mediumpressureautomaticclosinggear

466.高壓油動機（高壓伺服馬達）high-pressurehydraulicactuator,high-pressureservo-motor

467.中壓油動機medium-pressurehydraulicactuator,medium-pressureservo-motor

468.杠桿lever

469.軸shaft

470.主軸mainshaft

471.傳動軸（主動軸）drivenshaft

472.被動軸（從動軸）drivenshaft

473.小軸axle

474.聯軸器coupling

475.剛性聯軸器rigidcoupling

476.半撓性聯軸器semi-flexiblecoupling

477.齒型聯軸器serratedcoupling

478.冷油器oilcooler

479.溢油器oiloverflowvalve

480.排油煙機oil-fumeextractor,oilfumeexhaust

481.油煙分離器oil-fumeseparator

482.油凈化器oilpurifier,oilconditioner

483.過濾罐filteringtank

484.布袋式過濾器bagfilter,fabricfilter

485.齒輪油泵gearoilpump

486.頂軸油泵jackingoilpump

487.柱塞式油泵pistontypeoilpump

488.螺桿式油泵wormtypeoilpump

489.盤車裝置turninggear

490.盤車手輪turninggearhandwheel

491.化樁板laggingenclosure

492.齒輪gear

493.直齒式齒輪spurgear

494.斜齒式齒輪helicalgear

495.傘型齒輪