CN110207457B8 - 一种能制液氮的空分设备及其使用方法 - Google Patents
一种能制液氮的空分设备及其使用方法 Download PDFInfo
- Publication number
- CN110207457B8 CN110207457B8 CN201910493940.1A CN201910493940A CN110207457B8 CN 110207457 B8 CN110207457 B8 CN 110207457B8 CN 201910493940 A CN201910493940 A CN 201910493940A CN 110207457 B8 CN110207457 B8 CN 110207457B8
- Authority
- CN
- China
- Prior art keywords
- communicated
- heat exchanger
- main heat
- nitrogen
- separation equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title abstract 18
- 229910052757 nitrogen Inorganic materials 0.000 title abstract 9
- 239000007788 liquid Substances 0.000 title abstract 6
- 238000000926 separation method Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000002994 raw material Substances 0.000 abstract 2
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
- F25J3/04157—Afterstage cooling and so-called "pre-cooling" of the feed air upstream the air purification unit and main heat exchange line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04333—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/04351—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams of nitrogen
- F25J3/04357—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams of nitrogen and comprising a gas work expansion loop
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04375—Details relating to the work expansion, e.g. process parameter etc.
- F25J3/04393—Details relating to the work expansion, e.g. process parameter etc. using multiple or multistage gas work expansion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04406—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system
- F25J3/04424—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system without thermally coupled high and low pressure columns, i.e. a so-called split columns
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04642—Recovering noble gases from air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
- F25J3/04793—Rectification, e.g. columns; Reboiler-condenser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
- F25J3/04951—Arrangements of multiple air fractionation units or multiple equipments fulfilling the same process step, e.g. multiple trains in a network
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
- F25J2205/04—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation step
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/42—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/42—Processes or apparatus involving steps for recycling of process streams the recycled stream being nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
Abstract
本发明公开了一种能制液氮的空分设备及其使用方法,包含空气过滤器;所述空气过滤器依次通过原料空压机、预冷机组、吸附器和主换热器连通;所述主换热器与第一精馏塔连通;所述第一精馏塔的顶部的输出管通过主换热器与氮气压缩机连通;所述氮气压缩机通过主换热器与透平膨胀机连通,同时所述氮气压缩机与增压机连通;所述透平膨胀机同轴拖动增压机增压;所述增压机通过主换热器与透平膨胀机连通;所述增压机通过主换热器与气液分离器连通;所述透平膨胀机的输出管与气液分离器的输入管连通;所述气液分离器的顶部的输出管通过主换热器与氮气压缩机连通;本发明即能得到氮气高提取率的优势,省去了原料氮压机,又兼顾了大量生产液氮。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910493940.1A CN110207457B8 (zh) | 2019-06-08 | 2019-06-08 | 一种能制液氮的空分设备及其使用方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910493940.1A CN110207457B8 (zh) | 2019-06-08 | 2019-06-08 | 一种能制液氮的空分设备及其使用方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
CN110207457A CN110207457A (zh) | 2019-09-06 |
CN110207457B CN110207457B (zh) | 2023-12-08 |
CN110207457B8 true CN110207457B8 (zh) | 2023-12-29 |
Family
ID=67791488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910493940.1A Active CN110207457B8 (zh) | 2019-06-08 | 2019-06-08 | 一种能制液氮的空分设备及其使用方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110207457B8 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111322832A (zh) * | 2020-03-11 | 2020-06-23 | 苏州市兴鲁空分设备科技发展有限公司 | 全液体空分设备和工艺 |
CN112361716A (zh) * | 2020-10-26 | 2021-02-12 | 乔治洛德方法研究和开发液化空气有限公司 | 用于从空气分离装置中制备高压气体的方法和装置 |
CN114777416B (zh) * | 2022-04-22 | 2023-02-07 | 杭州特盈能源技术发展有限公司 | 一种绿电高效转化低能耗空分储能工艺 |
CN114791205B (zh) * | 2022-04-22 | 2023-07-21 | 杭州特盈能源技术发展有限公司 | 一种绿电高效转化低能耗空分储能及co2提纯液化工艺 |
CN115790077B (zh) * | 2023-02-03 | 2023-05-23 | 杭氧集团股份有限公司 | 一种制造高纯氮和超纯氧的装置及其使用方法 |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0754923A2 (en) * | 1995-07-21 | 1997-01-22 | Teisan Kabushiki Kaisha | Ultra-high purity nitrogen generating method and unit |
JP2005188796A (ja) * | 2003-12-25 | 2005-07-14 | Taiyo Nippon Sanso Corp | 窒素製造方法及び装置 |
CN101492156A (zh) * | 2009-03-12 | 2009-07-29 | 四川空分设备(集团)有限责任公司 | 低能耗制氮方法和装置 |
CN103759499A (zh) * | 2014-01-13 | 2014-04-30 | 浙江海天气体有限公司 | 一种超低能耗制氮装置 |
CN103776239A (zh) * | 2014-01-13 | 2014-05-07 | 浙江海天气体有限公司 | 多功能制氮装置 |
CN104390427A (zh) * | 2014-10-21 | 2015-03-04 | 杭州福斯达实业集团有限公司 | 高低温双膨胀节能型制氮装置及制氮方法 |
JP2017072282A (ja) * | 2015-10-06 | 2017-04-13 | 大陽日酸株式会社 | 窒素製造方法、及び窒素製造装置 |
CN108061428A (zh) * | 2018-01-12 | 2018-05-22 | 杭州特盈能源技术发展有限公司 | 一种纯氮制取装置和工艺 |
CN108286870A (zh) * | 2018-02-24 | 2018-07-17 | 杭州福斯达深冷装备股份有限公司 | 一种低温精馏制取液体的方法 |
CN109442867A (zh) * | 2018-12-19 | 2019-03-08 | 杭州特盈能源技术发展有限公司 | 一种新型外增压内液化纯氮制取装置及方法 |
CN109838975A (zh) * | 2019-03-22 | 2019-06-04 | 杭州特盈能源技术发展有限公司 | 一种低能耗液氮制取装置及工艺 |
CN210267885U (zh) * | 2019-06-08 | 2020-04-07 | 苏州制氧机股份有限公司 | 一种能制液氮的空分设备 |
CN111141110A (zh) * | 2020-01-19 | 2020-05-12 | 杭州特盈能源技术发展有限公司 | 一种低能耗中压氮气制取工艺 |
-
2019
- 2019-06-08 CN CN201910493940.1A patent/CN110207457B8/zh active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0754923A2 (en) * | 1995-07-21 | 1997-01-22 | Teisan Kabushiki Kaisha | Ultra-high purity nitrogen generating method and unit |
JP2005188796A (ja) * | 2003-12-25 | 2005-07-14 | Taiyo Nippon Sanso Corp | 窒素製造方法及び装置 |
CN101492156A (zh) * | 2009-03-12 | 2009-07-29 | 四川空分设备(集团)有限责任公司 | 低能耗制氮方法和装置 |
CN103759499A (zh) * | 2014-01-13 | 2014-04-30 | 浙江海天气体有限公司 | 一种超低能耗制氮装置 |
CN103776239A (zh) * | 2014-01-13 | 2014-05-07 | 浙江海天气体有限公司 | 多功能制氮装置 |
CN104390427A (zh) * | 2014-10-21 | 2015-03-04 | 杭州福斯达实业集团有限公司 | 高低温双膨胀节能型制氮装置及制氮方法 |
JP2017072282A (ja) * | 2015-10-06 | 2017-04-13 | 大陽日酸株式会社 | 窒素製造方法、及び窒素製造装置 |
CN108061428A (zh) * | 2018-01-12 | 2018-05-22 | 杭州特盈能源技术发展有限公司 | 一种纯氮制取装置和工艺 |
CN108286870A (zh) * | 2018-02-24 | 2018-07-17 | 杭州福斯达深冷装备股份有限公司 | 一种低温精馏制取液体的方法 |
CN109442867A (zh) * | 2018-12-19 | 2019-03-08 | 杭州特盈能源技术发展有限公司 | 一种新型外增压内液化纯氮制取装置及方法 |
CN109838975A (zh) * | 2019-03-22 | 2019-06-04 | 杭州特盈能源技术发展有限公司 | 一种低能耗液氮制取装置及工艺 |
CN210267885U (zh) * | 2019-06-08 | 2020-04-07 | 苏州制氧机股份有限公司 | 一种能制液氮的空分设备 |
CN111141110A (zh) * | 2020-01-19 | 2020-05-12 | 杭州特盈能源技术发展有限公司 | 一种低能耗中压氮气制取工艺 |
Non-Patent Citations (1)
Title |
---|
高纯氮装置九种流程的比较综述;蒋旭;;气体分离(02);全文 * |
Also Published As
Publication number | Publication date |
---|---|
CN110207457B (zh) | 2023-12-08 |
CN110207457A (zh) | 2019-09-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110207457B8 (zh) | 一种能制液氮的空分设备及其使用方法 | |
CN104061756A (zh) | 返流污氮气部分膨胀制冷和部分增压进压力塔相耦合生产带压氮气产品的方法及装置 | |
WO2015011497A3 (en) | System, method and apparatus | |
CN109084528B (zh) | 一种新增制氮塔的深冷空分系统 | |
CN103773531A (zh) | 海上油田低压伴生气回收系统 | |
CN103759499A (zh) | 一种超低能耗制氮装置 | |
CN101738059A (zh) | 一种降低空气分离综合能耗的方法 | |
CN105457329A (zh) | 一种环己烷氧化尾气回收利用装置 | |
CN203980791U (zh) | 一种生产带压氮气产品的装置 | |
CN104048478B (zh) | 高提取率和低能耗污氮气提纯氮气的设备及其提取方法 | |
CN103977666B (zh) | 综合利用mocvd设备尾气的装置 | |
CN203741292U (zh) | 一种海上油田低压伴生气回收系统 | |
CN203954987U (zh) | 综合利用mocvd设备尾气的装置 | |
CN202186894U (zh) | 一种空分制氮设备 | |
CN103776240B (zh) | 单压缩双增压双膨胀高纯氮制取装置 | |
CN202001247U (zh) | 空气分离压缩机 | |
CN204051046U (zh) | 一种环己烷氧化尾气回收利用装置 | |
CN203892160U (zh) | 一种弥补空气压缩机夏季打气量不足的工艺装置 | |
CN209820021U (zh) | 一种提高外压缩流程产液效率的装置 | |
CN207942005U (zh) | 一种蜂窝铝单板打孔装置 | |
CN108759309A (zh) | 一种提高外压缩流程产液效率的装置及方法 | |
CN202684092U (zh) | 一种生产钛粉的连续氢化脱氢装置 | |
CN201913331U (zh) | 一种高精度齿轮插齿用简易工装 | |
CN101628186B (zh) | 结合尿素生产系统的超临界二氧化碳萃取工艺流程 | |
CN206113508U (zh) | 一种空分设备出塔氮气回收装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CI03 | Correction of invention patent |
Correction item: Inventor Correct: Gu Qunchao False: Gu Chaoqun Number: 49-02 Page: The title page Volume: 39 Correction item: Inventor Correct: Gu Qunchao False: Gu Chaoqun Number: 49-02 Volume: 39 |
|
CI03 | Correction of invention patent | ||
OR01 | Other related matters | ||
OR01 | Other related matters |