常见化工词汇

《常见化工词汇》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、Half-time半衰期；batchreactor间歇式反应器；specificheat比热；specificsurfacearea比表面积；boundarylayer边界层；differentialpressure差压；differentialthermalanalyzer差热分析仪；airdistillation常压蒸徭；vacuumdistillation减压蒸憎；settlingout沉出；settle,subsidence沉降；settle,precipitation沉淀；masstmnsf

2、er传质；sensor传感器；coefficientofheattransfer传热系数；catalyze,catalyst,catalyzercatalyticcracking;extraction萃取；isopleth等值线isometric等容的,isobath等深线,isothermic等温的;flash闪蒸；titration滴定；electrolyzing电解；dynamics动力学；calciningfurnace熾烧炉；fermentation发酵；flange发兰；decomposi

3、tion分解；pulverization粉碎；siccity,dryingoven(box)干燥(箱)；platetower板式塔;packingtower填料塔;self-refrigeration(automatic)自动冷凝;filter过滤；rotameteGrotermeter转子流量计;；columntemperaturegradient温度梯度；crystallization结晶；diffusion扩散；horsepower功率;condenser冷凝器；still釜；tank罐，槽；t

4、ower塔；chamber箱；pump泵；pan锅；tube,pipe管；valve阀；flocculation絮凝；adsorption吸附；absorption吸收;desorption解吸；dissolve溶解；fusion熔融；melt熔化;swelling溶胀；hydromechanics流体力学;pressure加压；heating加热；ReactorBathchandsemibatchreatorsBatchreactorsaregenerallyusedforliquidphasere

5、actions.Whenasolidcatalysthastobekeptinsuspensionorwhentherearetwoliquidphases,asinthenitrationofaromatics,forinstance,anagitatorisrequired.Agitationisalsonecessarytoequalizethetemperatureinthereatorandtokeepitatthedesiredlevelbyefficienthertexchangethr

6、oughajacketoraninternalcoil.Consequently,thebatchreactorisgenerallyconsideredtobespatiallyuniformincompositionandtemperature

7、feway.Inpurebatchoperationthereactantsarecompletelyfedintothereatoratthebeginning.ForbettercontroloftemperaturethistypeofoperationmaynotbeadvisableandthereactantsmayhavetobeaddedprogressivelytothecontentsofthevesselThereactoristhensaidtooperateinthesemi

8、batchmode.Or,aproductmaybewithdrawn,forinstance,waterinanesterification,toreachcompleteconversionofthereactants.Batchandsemibatchreactorsaremostoftenusedforlowproductioncapacities,wherethecostoflaboranddeadtimeareonlyasmallfracti