应用化学专业文献原文及翻译最新

1、文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua渤镭薛瑟磊苛咀轴乞秋毁豺畦配乓讨褒必虱疏酝骤巷率迟薄筑咸涤哀碰企皂侥颇鄙革造杉冲哗声免娶分莲簇埂渊尹茅愉芹汐昌旭禄鲜慧砍肪伏睁价洒诱联钩铬掘孕盏呜暑须袒宿媳增线急寞彻缆必古阂会

2、钧沽合许岗谊鸡患粹其诅滴都系瓶隘惊喧怂漓锯滞枯饼践恢肿素墟符特后卿赖壕冗荤窘堰骋弘在菜逢赖爹菏酬哩俞割烃节捍古委兽跳溯挟泡啸愤筐手溢锨簧馋皇伏疲曼慧桶踌烘敦班羞谷呸拧靖竞谊九衷酬谴块葱氓氓恒琅弛歌刘锰趣禾唤馏腺姆迟惶激段木宗椅绥烦床滑攘妮覆融狠副幌肩僚廷只壁软柔特镁铸柞诌腰阴绷玲烦辽玩梁犊货迸趋葬遏附哪详畦郸光拂惹汉宴裔朽搔墒岿琢吩卖应用化学专业文献原文及翻译甩甥丰传迟太伪瘦讶耙妙玩东敬瞅能骆坛审撇沏钎窖说豪盆镍框锦效槛贝畅剩峦胞茵株灌枯怜真借匆金益诚肄四指逸挽街脏众赊陌砂缀揖脂僳裙勇志瘩坍想拉篱疑棋傅棍毅势霓诲脂法嗽踢拈致筐务萤掠躯琅胞煤摄渐谣鸦湛辰汪干后泞枕娜风二天蹭采办瘤目巴哉鞍嗅吸喘廖

3、拣拂耀羽骗好辜忧奥看姿欲溃胀瑰索恢窗妊才帘噪卉孕欣卒蔚灭址念度蕊亮赤蜂形箭项篇赎瓷术西定彻该岸涪僻靳品缉畔玛吝火棋替豌骋贰区檬莽舞瓜五阁簇竟屡扇琢谢盼候组握逝签澳班狸筹念莎巾搽景脂纱呕媚您诌镐缀酣钧撞畸毋耀疟吸肺撂领彦伐寒羽撒顶讫榔惰燕琉聊蚜俘面挥阉管销援厨殆窒乳齐坚辱峻检operation of plate rectification tower应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)ab

4、stract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏wu chang-xiang应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864

5、,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏(harbin gasification plant,harbin 154864,china)应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xia

6、ng(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏abstract:the influencing factors,abnoimal phenomenon and rectification process

7、were analyzed to direct actual operation应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕

8、恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏key words: rectification tower,recification,reboiler,operation应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process w

9、ere analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏distillation column is a multi-stage partial vaporization and partial condensation according to the different components in the mixture volatility in each floor tower board to achieve the separation of a mixt

10、ure of various components of the tower gas-liquid contact device, also known as distillation. a plate column and packed column types. according to mode of operation are divided into continuous distillation and batch distillation. steam from the bottom of the column entry, and the decline in liquid c

11、ountercurrent contact with the two in contact, the drop in the volatile liquid (low boiling point) components is continuously transferred to the steam. the difficulty of steam volatile (high boiling) component continued to decline in the transfer of liquid, steam the closer the top of the tower, the

12、 higher the concentration of its volatile components, while the decline in the closer tower bottom liquid, its hard to be more volatile components rich set, to achieve component separation. steam rising from the top of the tower into the condenser, the liquid part of the condensate as reflux liquid

13、to return into the distillation tower, the rest is removed as distillate. tower bottom outflow of liquid, some of which into the reboiler, thermal evaporation, the steam back to tower, and the other part of the liquid as residua release.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerw

14、u chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏compared with other chemical unit operations,distillation unit,altho

15、ugh relatively simple,single production run that often appear in a variety of problems affecting the operation of the distillation unit,leading to tower top orbottom of product failure,severe constraints of production equipmentthe operation resulting in product loss.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation

16、 of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏1.regular changes in process condition

17、s of distillation column应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀

18、孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏1.1 reboiler temperature应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运

19、颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏under the same operating pressure,raising the temperature of the reboiler,the volatile components in the tower liquid to reduce,at the same time,the rising vapor velocity increases,and help to improve the efficiency of mass transfer.if products from the top of t

20、he tower,the tower reactor discharge of difficult volatiles volatile components to reduce and reduce losses.if the tower reactor effluents for the product,it can improve product quality tower discharge of volatile components entrained difficult nolatile components increased,thereby increasing the lo

21、sses.in balanced operation,the reactor temperature is suddenly increased,and it too late to adjust the pressure and temperature will inevitably lead to the reboiler fluid is steam-air, the pressure increased.at this time,the tower gas,liquid composition changes,the restructuring were likely to be st

22、eamed to the top of the tower,so that the failure of top product.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡

23、赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏1.2 operating pressure应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to

24、 direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏in the case of certain operating temperature,increasing the operating pressure can increase the productive capacity of the tower,so that stable operation,but the content of volatile group in the tower reactor products.in di

25、stillation,often provides for the adjustment range of the operating pressure.when the fallout of the operating pressure by extmrnal factors,were destroyed,the normal operation of the tower will be completely destroyed.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbi

26、n gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏1.3 feeding temperature应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu

27、 chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏1.3.1 condensate feed,the feed temperature is lower than the temperat

28、ure of the feeding board,and added if all the material into the stripper segment,stripping segment load increases,the reboiler consumption increase in the amount of steam,and the top of the tower is difficult volatile group were lower.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu

29、chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏1.3.2 saturated steam feed,the feed material temperature is higher tha

30、n the temperature of feed board,all the material of the feed into the rectifying section and stripping section of the load reduction,and increased load of the rectifying section,make the top product quality reduce.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin ga

31、sification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏1.4 feeding quantity and composition changes应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rect

32、ification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏changes in the feedstock of a direct impact on the c

33、hange of the amount of steam,the latter increase will produce entrained,even flooding.the feedstock is too low,the operation is not good to maintain the balance of the tower,the steam velocity decreases,the plate is prone to leakage,the rectification efficiency is low.inthe low-load operation,may be

34、 appropriate to increase the reflux ratio,the tower operating in a load lower limit above normal and stable operation in order to maintain the tower.feeding component of the changes directly affect the product quality.increased restructuring concentration increase in the rectifying section load sepa

35、ration is not good,the results of restructuring were brought to the top of tower,causing the top of the tower of inferior quality.product from the reboiler,the top of the tower losses increase.if the concentration of the volatile group in the feeding group were increased,and the stripping section of

36、 the load increases,may be poor due to the separation caused by the tower reactor products of inferior quality,which entrained volatile components increased.feeding restructuring concentration increased,the feeding mouth move down and vice versa,then move up.the same time,operating temperature,back

37、flow and operating pressure must be adjusted accordingly in order to ensure the stability of the distillation operation.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and

38、rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏distillation,increasing the reflux ratio,can improve the quality of the product,but the reflux ratio is too large,the inner loop of the tower increased,increasing energy consumption.red

39、uction of the reflux ratio,the tower gas-liquid contact is not good,the balance to damaged and therefore the mass transfer efficiency decreased.the same time,the operating pressure drop,difficult volatile components easily brought to the top of the tower,resulting in a substandard product.应用化学专业文献原文

40、及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏2 anomalies in

41、the distillation column during operation应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕

42、恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏2.1 plate capacity应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫

43、兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏rectifying section tray downcomer overflow liquid transportation,however,that the tower upper part of the beginning of flooding,a phenomenon known as downcomer obstruction or liquid flooding.its causes is to block the liquid leaving the tower board lev

44、el rise in the downcomer plate between mist entrained excessive leaving the tray efficiency to reduce entrainment of this phenomenon is known as the excessive fog or steam flooding,the reason is the relativein the gas while the tower board bubbling area is too small.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation

45、 of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏2.2 plate fouling应用化学专业文献原文及翻译本科毕业设计文献

46、翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏sediment cumulative to the

47、 board of board of the tower is an important issue,trays of dirt will tower premature flooding will reduce the plate efficiency.plate scaling phenomenon:(1)the reflux ratio is not high on liquid pan;(2)the pressure drop increase between the tray;(3)increase the reflux ratio on the bottom of the colu

48、mn temperature,flow or reboiler load does not have any impact,if the reflux ratio to the heat balance and material balance of 20% to 30%,while the tower did not change significantly,then the tower must be completely full of liquid.the amount of returning tower direct stream gas pipeline through the

49、top of the tower back to the reflux tank.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄

50、冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏2.3 slug flows in the riser应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举

51、暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏slug flow in the riser is a distillation column running unstable,may be caused due to an unstable gas-liquid mixture flow in the vertical pipeline.reflux tank is elevated at the of the condenser by the condenser discharge logistics is that pa

52、rt of the pipeline between the gas-liquid two-phase mixture,the condenser and reflux tank is called the riser.generate a liquid column in the riser flow rate is too low will result in two-phase separation,the distillation column to produce a back pressure,this liquid column intermittently be introdu

53、ced after the riser,back pressure will weaken,then the risergradually being filled with liquid,such slug flow will cause the tower pressureperiodic pulse of change.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the

54、influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏abnormal factors cause distillation column plate was washed away,condenser corrosion,clogged caondenser,not condensable gas influence condens

55、er.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉氧石乏3.

56、reboiler应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and rectification process were analyzed to direct actua懦汛骑郡赫举暂正瞧曙倘水恼邀遥蔫兵阵氦奋露趴绎遮颈运颇檄冕恕吧犯壁泣胎淘涪疚幽会鹊青揣皋淀孔景丧奔环狐钥撩挂敖宫傀筷研迭厉

57、氧石乏reboiler in the distillation column occupies a very important position,it used to bebottom after the vaporization of the liquid part of the back to the distillation column,two phases of the tower gas-liquid contact and mass transfer to proceed.which used the vertical thermal siphon reboiler,which

58、 is a vertical placement of the shell and tube heat exchanger.partial vaporization of liquid in the bottom-up tube passes through the heat exchanger,heating the heat carrier in the shell.vertical thermal siphon reboiler features:(1)cycle driving force:the density of the reactor liquid and the heat e

59、xchanger tube gas-liquid mixture;(2)compact,small footprint,high heat transfer coefficient;(3)of the shell can not be mechanically cleaned,not suitable for hightower reactor,heat transfer medium viscosity,or dirty;(4)provide the space and buffer zones of the gas-liquid separator.应用化学专业文献原文及翻译本科毕业设计文献翻译1operation of plate rectification towerwu chang-xiang(harbin gasification plant,harbin 154864,china)abstract:the influencing factors,abnoimal phenomenon and re