制浆原理与工程英语词汇.docx

上传人:b****6 文档编号:5870920 上传时间:2023-01-01 格式:DOCX 页数:19 大小:26.75KB
下载 相关 举报
制浆原理与工程英语词汇.docx_第1页
第1页 / 共19页
制浆原理与工程英语词汇.docx_第2页
第2页 / 共19页
制浆原理与工程英语词汇.docx_第3页
第3页 / 共19页
制浆原理与工程英语词汇.docx_第4页
第4页 / 共19页
制浆原理与工程英语词汇.docx_第5页
第5页 / 共19页
点击查看更多>>
下载资源
资源描述

制浆原理与工程英语词汇.docx

《制浆原理与工程英语词汇.docx》由会员分享,可在线阅读,更多相关《制浆原理与工程英语词汇.docx(19页珍藏版)》请在冰豆网上搜索。

制浆原理与工程英语词汇.docx

制浆原理与工程英语词汇

《制浆原理与工程》英汉词汇对照

A

Accepts:

良浆

Usablepulpthathaspassedthescreeningoperation.

Activealkali(AA):

活性碱

Withrespecttokraftwhiteliquor,theamountofconcentrationofsodiumhydroxide(NaOH)plussodiumsulphide(Na2S).

Alkalineextraction:

碱抽提

Bleachingstage(denotationE)forremovalofligninmadepotentiallysolublebythepreviousacidicoxidizingstageandtoreactivatethepulptofurtheroxidation.Mainchemicalapplied:

sodiumhydroxideNaOH.Canbeenhancedwithoxygen(EO),hydrogenperoxide(EP)orboth(EOP).

Alkalinepulping:

碱法制浆

Generaltermusuallydenotingthekraftprocess.However,thetermisalsoappliedtootherhighpHchemicalpulpingprocesses,suchassodaorsoda-oxygenpulping.

AOX:

可吸附有机卤化物

(Adsorbableorganichalogencompounds)Collectivetermfortheamountofchlorineboundinorganicpollutants,containedinwastewaterforinstance.

 

B

Back-pressureturbine:

背压式涡轮机

Steamturbine,fromwhichtheexhauststeamisnotcondensed,butistransportedandutilizedinanindustrialprocess.

Bagasse:

甘蔗

Thecrushedstalksofsugarcaneafterthesugarhasbeenextracted.Canbeusedasafibresourcefornonwoodpulping.

Bamboo:

Giantwoodgrassthatisusedasafibresourceinnonwoodpulping.

Barking:

剥皮

Removingbarkfrompulpwoodpriortoprocessing.

Basisweight:

定量

Weightperunitareaofpaper.Synonym:

Grammage.

Batchcooking:

间歇蒸煮

Chemicalpulpingoperation,inwhichadiscretequantityorbatchofchipsisindividuallyprocessed.

Batchdigester:

间歇蒸煮锅

Largepressurevessel(150...400cubicmeters)usedforbatchwiseproductionofpulp.

 

Blackliquor:

黑液

SpentcookingliquoThepulpproductiondependsonthenumberofbatches(i.e.cooks)thatareprocessed.rfromakraftcook,containingdissolvedorganicmaterialandresidualalkalicompounds.

Bleachability:

漂白性能

Qualitativetermusedtodescribetherelativeeaseofwhichpulpcanbebleached.

Bleaching:

漂白

Chemicallytreatingapulptoalterthecoloringmattersothepulphasahigherbrightness.

Bleachingsequence:

漂白程序

Seriesofsubsequentbleachingstages,normallydescribedbyabbreviations(e.g.CEDEDwhichstandsfor"chlorination-alkalineextraction-chlorinedioxide-alkalineextraction-chlorinedioxide").

Blow:

放浆

Pulpdischargeunderpressurefromthedigester.

Blowline:

喷放管道

Pipelinewhichtransportsstockfromthedigestertotheblowtank.

Blowtank:

喷放锅

Largevesselintowhichpulpisblownattheendofacookandfromwhichthepulpispumpedtothenextprocessingstage.

BOD:

生物耗氧量

(BiologicalOxygenDemand).Ameasureoftheamountofoxygenconsumedbymicroorganismsinbreakingdownorganicmatterineffluentduringacertainmethod.E.g.BOD7,biologicaloxygendemandduringsevendays.

Bonedry(b.d.):

绝干

Moisturefree(alsotermedoven-dry,o.d.).Apulporpaperwhichhasbeendriedtoaconstantweightatatemperatureof100to105oCinacompletelydryatmosphere.

Breakinglength:

裂断长

Measureofpulptensilestrengthwhichisindependentofthebasisweightofthepapersheet,equaltothelengthofpaperwhichwilljustsupportitsownweightwhenhungfreelyfromoneend.(Conversionfactor:

tensileindex(Nm/g)=9.81xbreakinglength(km)).

Brownstock:

粗浆

Unbleachedpulpfromanalkalinepulpingprocess.Thetermisderivedfromthedarkbrowncolorofthepulp.

Brightness:

亮度

Reflectivityofasheetofpulporpapermeasuredunderstandardizedconditions;usedtoindicatethedegreeof"whiteness".

Brightnessreversion:

回色

Atermappliedtopulpstoindicatelossofbrightnessduringnaturalorartificialagening.

 

Bulk:

松厚度

Ratioofthicknesstobasisweightofpaper.Adensesheethaslowbulk.

Burstingstrength耐破应力

Ameasureoftheabilityofpapertoresistrupturewhenpressureisappliedtooneofitssidesbyaspecificinstrument.

C

Carbohydrates:

碳水化合物

Themaincarbohydratesinwoodarepolysaccharidessuchascelluloseandhemicellulose.

CEDViscosity:

铜乙二胺粘度法

Testofcellulosesolutionviscositywhichindicatestheaveragelengthofthecellulosemolecules,i.e.thedegreeofpolymerization.

Cellulose:

纤维素

Chemically,apolymercomposedofglucosemonomers.Itisthemainconstituentofplantfibres.

Chelating:

鳌合

Chemicallycombiningwithametallicionintoa"coordinationcomplex".CommonchemicalsusedforchelationareEDTA(Ethylendiaminetetraacidicacid)andDTPA(Diethylenetetraminepentaacidicacid).

 

Chemicalpulp:

化学浆

Pulpobtainedbydigestionofwoodwithsolutionsofvariouschemicals.

Chemicalrecoverycycle:

化学回收循环

Partofthepulpmill,inwhichthespentcookingchemicalsarerecycledandreconvertedintoactivecookingchemicals.

Chemimechanicalpulp:

化学机械浆

1.Pulpproducedwithacombinationofagentlechemicaltreatmentstageandmechanicaldefibration,suchasdiscrefining.Theyieldrangeis80to95%.

2.Subgroupofchemimechanicalpulps(alsocalledCMP),producedwithrelativeseverechemicaltreartmentcombinedwithatmosphericrefining.Theyieldistypicallybelow90%.

Chemithermomechanicalpulp,CTMP:

化学热机械浆

Chemimechanicalpulpproducedwithrelativelylowchemicaldosescombinedwithpressurizedrefining.Theyieldistypicallyabove90%.

Chlorinenumber:

氯价

Testmethodfordeterminingthebleachrequirementofapulp.Itindicatesthenumberofgramsofchlorineconsumedby100gofpulpunderspecifiedconditions.

Chips:

木片

Choppedwoodpreparedforcokingtoproducechemicalpulporrefiningtoproducerefinermechanicalpulp.

 

Chipchute:

木片斜槽

Verticalconduitthroughwhichchipsfallfromthesteamingvesselintothehighpressurefeeder,acomponentofcontinuousdigestersystems.

Chipmeter:

木片装锅计量器

Deviceusedwiththecontinuousdigesterfeedsystemtocontrolthechipfeedrate.

Chlorination:

氯化(作用)

Ableachingstage(denotedC)usingelementalchlorineasbleachingagent.

Chlorine:

氯气

Greenish-yellowgasusedasableachingagent.Alsoknownasgaschlorineorelementalchlorine.

Chlorinedioxide:

二氧化氯

Yellowgasinsolutionasableachingagent.

Chop:

碎片

Short,chunkybundleofunseparatedfibresoccurringinmechanicalpulps.

Chromophor:

发色团

Chemicalgroupresponsibleforcolourin(woodandpulp).

Classifier:

分离器

Termwithwideapplications.Usuallyreferstolaboratorydevicesforseparatingaqueoussuspensionofpulpfibresintovarious-sizefractions.

Cleaning:

净化

Removalofdirtandforeignmaterialfrompulpbycentrifugalaction.

Cleaners:

净化器

Vesselswhichremovedirtandforeignmaterialfrompulpbycentrifugalaction.

Closedsystem:

封闭系统

Systemwhereinwhitewaterorfiltrateismainlyrecirculatedandnotdischargedtowaste.

COD:

化学需氧量

(Chemicaloxygendemand).Chemicaloxygen-consumingsubstances.Ameasureoftheamountofoxygenrequiredforthetotalchemicalbreakdownoforganicsubstancesinwater.

Coldblow:

冷法喷放

Pressureejectionofcookedpulpfromabatchorcontinuousdigesterafterthepulphasbeencooledtobelow100oC.Thecoolingstepreducesdamagetothefibres.

Coldsodapulp:

冷碱浆

Asemichemicalpulpgenerallyproducedfromhardwoodsbyroomtemperaturetreatmentwithsodiumhydroxidefollowedbymechanicalfiberizing.

 

Condensate:

冷凝水

Anymaterialthathascondensedfromagaseousphaseintoaliquidphase.Usuallyreferstowaterthathascondensedfromsteaminaheatexchangeprocess.

Coniferoustrees:

松柏

Cone-bearingandevergreentrees,suchasspruce,pine,hemlock,balsam.Alsotermedsoftwoodtrees.

Consistency:

浓度

Weightpercentageofpulpinapulpandwatermixture.

Continuouscooking:

连续蒸煮

Chemicalpulpingoperationinwhichwoodchipsandcookingliquorarefedataconstantrateintothedigesterandmoveincontinuousfashionthroughsuccessivezonesorstagesofequipment.

Continuousdigester:

连续蒸煮器

Digestersystemforcontinuouscooking.

Cooking:

蒸煮

Treatingfibrousmaterialswithchemicalsunderheatandpressuretoproducepulpforpapermaking.

Cookingzone:

蒸煮区

Sectionwithinacontinuousdigesterinwhichthemajorportionofthecookingreactionsoccur;thesectioninwhichthechipmassisatornearthemaximumcookingtemperature.

Cord:

量木材尺度单位

Usuallyapileofpulpwood8feetlong,4feetwideand4feethigh,containing128cubicfeet.

Countercurrentcooking:

对流蒸煮

Cookingtechniqueforakraftcontinuousdigesterwhereincookingliquorandheatareintroducedatthepointwherepulpisremoved;theliquorthenmovescountercurrentlytothechipmassflowuntilitisextractedasblackliquorthroughtheextractionscreens.

Cunit:

原木材积单位

Atermusedinthemeasurementofpulpwood,i.e.100cubicfeetofsolidwood,barkexcluded.Onecunitcorrespondsto2.83cubicmeterofwood.

D

Debarking:

剥皮

Removingbarkfrompulpwoodpriortoprocessing.

Deciduoustrees:

阔叶木

Hardwoodsorbroad-leavedtreeswhichlosetheirleavesinwinter,suchasbirch,aspen,mapleandcottonwood.

Degreeofdelignification:

脱木素程度

Amountofdelignificationasmeasuredbythekappanumbertestorothercomparablemethodofdeterminingresiduallignin.(Synonym:

Degreeofcooking).

 

Delignification:

脱木素

Removalofallpartoftheligninfromwoodorplantmaterialbychemicaltreatment.Chemicalpulpingandtheinitialstagesofbleachingareexamplesofdelignification.

Degreeofpolymerization(DP):

聚合度

Asappliedtocellulose,referstotheaveragenumberofglucoseunitineachcellulosemoleculeofapulpsample.UsuallydeterminedbytheCEDviscositytest.

Deinking:

脱墨

Removalofinkandotherextraneousmaterialsfromprinted,reclaimedpapersbymechanicaldisintegrationandchemicaltreatment,withsubsequentwashingorflotationseparation.

Diffusion:

扩散作用

Diffusioninimpregnationofwoodchips:

movementofionsandmoleculesfromanareaofhighconcentration(e.g.thefreecookingliquo

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 自然科学

copyright@ 2008-2022 冰豆网网站版权所有

经营许可证编号:鄂ICP备2022015515号-1