CN101392981A - 利用液化天然气冷量获得液氮的方法及装置 - Google Patents
利用液化天然气冷量获得液氮的方法及装置 Download PDFInfo
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- CN101392981A CN101392981A CNA2008101218605A CN200810121860A CN101392981A CN 101392981 A CN101392981 A CN 101392981A CN A2008101218605 A CNA2008101218605 A CN A2008101218605A CN 200810121860 A CN200810121860 A CN 200810121860A CN 101392981 A CN101392981 A CN 101392981A
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 324
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 156
- 239000007788 liquid Substances 0.000 title claims abstract description 70
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003345 natural gas Substances 0.000 abstract description 5
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- QJGQUHMNIGDVPM-BJUDXGSMSA-N Nitrogen-13 Chemical compound [13N] QJGQUHMNIGDVPM-BJUDXGSMSA-N 0.000 description 2
- QGZKDVFQNNGYKY-OUBTZVSYSA-N Ammonia-15N Chemical compound [15NH3] QGZKDVFQNNGYKY-OUBTZVSYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
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- QGZKDVFQNNGYKY-NJFSPNSNSA-N nitrogen-16 Chemical compound [16NH3] QGZKDVFQNNGYKY-NJFSPNSNSA-N 0.000 description 1
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Images
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- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0012—Primary atmospheric gases, e.g. air
- F25J1/0015—Nitrogen
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- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
- F25J1/0035—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by gas expansion with extraction of work
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- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
- F25J1/0035—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by gas expansion with extraction of work
- F25J1/0037—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by gas expansion with extraction of work of a return stream
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- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
- F25J1/004—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by flash gas recovery
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- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
- F25J1/0045—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by vaporising a liquid return stream
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- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0221—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using the cold stored in an external cryogenic component in an open refrigeration loop
- F25J1/0224—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using the cold stored in an external cryogenic component in an open refrigeration loop in combination with an internal quasi-closed refrigeration loop
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- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
- F25J1/0234—Integration with a cryogenic air separation unit
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- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
- F25J1/0292—Refrigerant compression by cold or cryogenic suction of the refrigerant gas
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- 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
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/62—Liquefied natural gas [LNG]; Natural gas liquids [NGL]; Liquefied petroleum gas [LPG]
Abstract
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CN2008101218605A CN101392981B (zh) | 2008-10-21 | 2008-10-21 | 利用液化天然气冷量获得液氮的方法及装置 |
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CN2008101218605A CN101392981B (zh) | 2008-10-21 | 2008-10-21 | 利用液化天然气冷量获得液氮的方法及装置 |
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CN101392981A true CN101392981A (zh) | 2009-03-25 |
CN101392981B CN101392981B (zh) | 2011-10-05 |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101858683A (zh) * | 2010-04-30 | 2010-10-13 | 浙江大学 | 一种利用液氮冷能制取液化天然气的系统 |
CN101943512A (zh) * | 2010-09-29 | 2011-01-12 | 中国海洋石油总公司 | 一种利用液化天然气冷能的空分方法 |
CN102679687A (zh) * | 2012-05-28 | 2012-09-19 | 上海宝钢气体有限公司 | 一种带压力氧气的液体空分预处理装置及工艺 |
CN103411386A (zh) * | 2013-07-25 | 2013-11-27 | 杭州求是透平机制造有限公司 | 一种冷冻膨胀式氯气液化方法 |
CN104807286A (zh) * | 2014-10-31 | 2015-07-29 | 刘继福 | 回收利用lng冷能的氮气液化系统 |
CN104807289A (zh) * | 2014-10-31 | 2015-07-29 | 刘继福 | 利用lng冷能空分制取液氧液氮的方法 |
CN106288650A (zh) * | 2015-06-26 | 2017-01-04 | 上海恩图能源科技有限公司 | 常温氮气回收lng冷能工艺 |
CN106766674A (zh) * | 2016-12-09 | 2017-05-31 | 杭州杭氧股份有限公司 | 一种异丁烷脱氢制异丁烯项目的冷箱深冷分离方法 |
CN108474613A (zh) * | 2015-12-07 | 2018-08-31 | 乔治洛德方法研究和开发液化空气有限公司 | 用于液化天然气和氮气的方法 |
CN109883140A (zh) * | 2019-03-29 | 2019-06-14 | 湖北浠水蓝天联合气体有限公司 | 一种空分系统精馏后的氮气液化系统 |
CN110617660A (zh) * | 2019-09-02 | 2019-12-27 | 北京航天发射技术研究所 | 一种厢式冷藏车的液氮制冷系统及其控制方法 |
CN114234556A (zh) * | 2022-02-24 | 2022-03-25 | 杭州制氧机集团股份有限公司 | 一种回收液氧冷量的升压汽化装置及其使用方法 |
CN115751838A (zh) * | 2022-11-02 | 2023-03-07 | 广东粤豫科技有限公司 | 一种节能型液化系统及节能型氮气液化器装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201348420Y (zh) * | 2008-10-21 | 2009-11-18 | 杭州杭氧股份有限公司 | 利用液化天然气冷量获得液氮的装置 |
-
2008
- 2008-10-21 CN CN2008101218605A patent/CN101392981B/zh active Active
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101858683A (zh) * | 2010-04-30 | 2010-10-13 | 浙江大学 | 一种利用液氮冷能制取液化天然气的系统 |
CN101943512A (zh) * | 2010-09-29 | 2011-01-12 | 中国海洋石油总公司 | 一种利用液化天然气冷能的空分方法 |
CN101943512B (zh) * | 2010-09-29 | 2012-08-29 | 中国海洋石油总公司 | 一种利用液化天然气冷能的空分方法 |
CN102679687A (zh) * | 2012-05-28 | 2012-09-19 | 上海宝钢气体有限公司 | 一种带压力氧气的液体空分预处理装置及工艺 |
CN103411386A (zh) * | 2013-07-25 | 2013-11-27 | 杭州求是透平机制造有限公司 | 一种冷冻膨胀式氯气液化方法 |
CN103411386B (zh) * | 2013-07-25 | 2015-05-13 | 杭州求是透平机制造有限公司 | 一种冷冻膨胀式氯气液化方法 |
CN104807286A (zh) * | 2014-10-31 | 2015-07-29 | 刘继福 | 回收利用lng冷能的氮气液化系统 |
CN104807289A (zh) * | 2014-10-31 | 2015-07-29 | 刘继福 | 利用lng冷能空分制取液氧液氮的方法 |
CN104807289B (zh) * | 2014-10-31 | 2016-02-03 | 刘继福 | 利用lng冷能空分制取液氧液氮的方法 |
CN106288650A (zh) * | 2015-06-26 | 2017-01-04 | 上海恩图能源科技有限公司 | 常温氮气回收lng冷能工艺 |
CN106288650B (zh) * | 2015-06-26 | 2019-07-05 | 上海恩图能源科技有限公司 | 常温氮气回收lng冷能工艺 |
CN108474613A (zh) * | 2015-12-07 | 2018-08-31 | 乔治洛德方法研究和开发液化空气有限公司 | 用于液化天然气和氮气的方法 |
CN108474613B (zh) * | 2015-12-07 | 2020-10-23 | 乔治洛德方法研究和开发液化空气有限公司 | 用于液化天然气和氮气的方法 |
CN106766674A (zh) * | 2016-12-09 | 2017-05-31 | 杭州杭氧股份有限公司 | 一种异丁烷脱氢制异丁烯项目的冷箱深冷分离方法 |
CN106766674B (zh) * | 2016-12-09 | 2019-03-08 | 杭州杭氧股份有限公司 | 一种异丁烷脱氢制异丁烯项目的冷箱深冷分离方法 |
CN109883140A (zh) * | 2019-03-29 | 2019-06-14 | 湖北浠水蓝天联合气体有限公司 | 一种空分系统精馏后的氮气液化系统 |
CN110617660A (zh) * | 2019-09-02 | 2019-12-27 | 北京航天发射技术研究所 | 一种厢式冷藏车的液氮制冷系统及其控制方法 |
CN110617660B (zh) * | 2019-09-02 | 2021-10-15 | 北京航天发射技术研究所 | 一种厢式冷藏车的液氮制冷系统及其控制方法 |
CN114234556A (zh) * | 2022-02-24 | 2022-03-25 | 杭州制氧机集团股份有限公司 | 一种回收液氧冷量的升压汽化装置及其使用方法 |
CN115751838A (zh) * | 2022-11-02 | 2023-03-07 | 广东粤豫科技有限公司 | 一种节能型液化系统及节能型氮气液化器装置 |
CN115751838B (zh) * | 2022-11-02 | 2024-01-02 | 广东粤豫科技有限公司 | 一种节能型外液化系统及节能型氮气和氧气外液化器装置 |
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