CN111406192A - 通过与氮气膨胀机联动制动的膨胀机增压机来产生增压空气的深冷精馏方法与设备 - Google Patents

通过与氮气膨胀机联动制动的膨胀机增压机来产生增压空气的深冷精馏方法与设备 Download PDF

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CN111406192A
CN111406192A CN201780097181.6A CN201780097181A CN111406192A CN 111406192 A CN111406192 A CN 111406192A CN 201780097181 A CN201780097181 A CN 201780097181A CN 111406192 A CN111406192 A CN 111406192A
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air
nitrogen
heat exchanger
pressure
expander
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CN111406192B (zh
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赵伯伟
布里格利亚·阿兰
薛凤杰
戴·埃里克
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LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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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
    • 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
    • F25J3/04412—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 in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
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    • 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
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04012—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling
    • F25J3/04018—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling of main feed air
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    • 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
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    • F25J3/04024—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling of purified feed air, so-called boosted air
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    • F25J3/04078—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
    • F25J3/0409—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression of oxygen
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    • F25J3/04115—Arrangements of compressors and /or their drivers characterised by the type of prime driver, e.g. hot gas expander
    • F25J3/04121—Steam turbine as the prime mechanical driver
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    • F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
    • F25J3/04218—Parallel arrangement of the main heat exchange line in cores having different functions, e.g. in low pressure and high pressure cores
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    • F25J3/04381—Details relating to the work expansion, e.g. process parameter etc. using work extraction by mechanical coupling of compression and expansion so-called companders
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    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
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    • F25J3/04957—Arrangements of multiple air fractionation units or multiple equipments fulfilling the same process step, e.g. multiple trains in a network and inter-connecting equipments upstream of the fractionation unit (s), i.e. at the "front-end"
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    • F25J2240/40—Expansion without extracting work, i.e. isenthalpic throttling, e.g. JT valve, regulating valve or venturi, or isentropic nozzle, e.g. Laval
    • F25J2240/46—Expansion without extracting work, i.e. isenthalpic throttling, e.g. JT valve, regulating valve or venturi, or isentropic nozzle, e.g. Laval the fluid being oxygen

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Abstract

提供了一种深冷精馏空气以产生氮气和氧气的方法和设备。氮气产品仅从一塔(11)的顶部抽取，如果客户需要更低压力的氮气，部分位于第一氮气产品压力的纯氮气(124)在主换热器(1)中部分复热后，经氮气膨胀机(23)减压至第二氮气产品压力，再经过主换热器(1)进一步复热后，作为低压氮气产品输出，氮气膨胀机(23)可以由压缩空气的膨胀机增压机(24)制动。该方法可以灵活地生产不同压力的氮气，且同时利用氮气膨胀的功减少生产增压空气的能耗。

Description

PCT国内申请，说明书已公开。

Claims (17)

  1. PCT国内申请，权利要求书已公开。
CN201780097181.6A 2017-11-29 2017-11-29 通过与氮气膨胀机联动制动的膨胀机增压机来产生增压空气的深冷精馏方法与设备 Active CN111406192B (zh)

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PCT/CN2017/113525 WO2019104524A1 (zh) 2017-11-29 2017-11-29 通过与氮气膨胀机联动制动的膨胀机增压机来产生增压空气的深冷精馏方法与设备

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US (1) US20200355429A1 (zh)
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112320764A (zh) * 2020-10-14 2021-02-05 杭州电子科技大学 一种节能型便携制氧装置
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
CN112414003A (zh) * 2020-11-24 2021-02-26 乔治洛德方法研究和开发液化空气有限公司 一种基于深冷精馏生产空气产品的方法及设备
CN113405318A (zh) * 2021-06-29 2021-09-17 杭州制氧机集团股份有限公司 一种使用单个精馏塔生产纯氮的装置及其使用方法
CN113654302A (zh) * 2021-08-12 2021-11-16 乔治洛德方法研究和开发液化空气有限公司 一种低温空气分离的装置和方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4215856A1 (en) * 2022-08-30 2023-07-26 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and apparatus for air separation by cryogenic distillation
EP4163576A1 (en) * 2021-10-06 2023-04-12 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Apparatus and process for the separation of air by cryogenic distillation
CN113883829B (zh) * 2021-11-01 2023-02-28 四川空分设备(集团)有限责任公司 一种低能耗制取高纯氮的方法及装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1052365A (zh) * 1989-12-08 1991-06-19 孙克澄 空气分离方法及设备
CN1865822A (zh) * 2006-04-29 2006-11-22 四川空分设备(集团)有限责任公司 一种空气分离装置及其方法
US20080223075A1 (en) * 2005-09-23 2008-09-18 L'air Liquide Societe Anonyme Pour L'etude Et L'exloitation Des Procedes Georges Claude Process and Apparatus for the Separation of Air by Cryogenic Distillation
CN201265997Y (zh) * 2008-09-05 2009-07-01 苏州制氧机有限责任公司 液体空气分离设备
CN101779093A (zh) * 2007-08-10 2010-07-14 乔治洛德方法研究和开发液化空气有限公司 用于通过低温蒸馏分离空气的方法和设备
CN103123203A (zh) * 2013-02-22 2013-05-29 河南开元空分集团有限公司 利用含氮废气进行再低温精馏制取纯氮的方法
CN104019629A (zh) * 2014-05-14 2014-09-03 中国海洋石油总公司 一种可与接收站冷能供应相匹配的空气分离方法
US20160231053A1 (en) * 2013-09-17 2016-08-11 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and apparatus for producing gaseous oxygen by cryogenic distillation of air
CN106949708A (zh) * 2016-11-25 2017-07-14 乔治洛德方法研究和开发液化空气有限公司 一种对原有低温空分装置进行改装用以提高低压纯氮气产量的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0235295B1 (en) * 1985-08-23 1989-06-14 Daidousanso Co., Ltd. Oxygen gas production unit
US4817393A (en) * 1986-04-18 1989-04-04 Erickson Donald C Companded total condensation loxboil air distillation
US4817394A (en) * 1988-02-02 1989-04-04 Erickson Donald C Optimized intermediate height reflux for multipressure air distillation
FR2711778B1 (fr) * 1993-10-26 1995-12-08 Air Liquide Procédé et installation de production d'oxygène et/ou d'azote sous pression.
GB9404991D0 (en) * 1994-03-15 1994-04-27 Boc Group Plc Cryogenic air separation
US5966967A (en) * 1998-01-22 1999-10-19 Air Products And Chemicals, Inc. Efficient process to produce oxygen
FR2865024B3 (fr) * 2004-01-12 2006-05-05 Air Liquide Procede et installation de separation d'air par distillation cryogenique
CN201281522Y (zh) * 2008-08-22 2009-07-29 苏州制氧机有限责任公司 氧气自增压空分装置
FR2943408A1 (fr) * 2009-03-17 2010-09-24 Air Liquide Procede et installation de separation d'air par distillation cryogenique
US8448463B2 (en) * 2009-03-26 2013-05-28 Praxair Technology, Inc. Cryogenic rectification method
CN102706101B (zh) * 2012-05-23 2013-11-06 苏州制氧机有限责任公司 一种空气分离设备
CN103776240B (zh) * 2014-01-13 2016-07-06 浙江海天气体有限公司 单压缩双增压双膨胀高纯氮制取装置
EP3343158A1 (de) * 2016-12-28 2018-07-04 Linde Aktiengesellschaft Verfahren zur herstellung eines oder mehrerer luftprodukte und luftzerlegungsanlage

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1052365A (zh) * 1989-12-08 1991-06-19 孙克澄 空气分离方法及设备
US20080223075A1 (en) * 2005-09-23 2008-09-18 L'air Liquide Societe Anonyme Pour L'etude Et L'exloitation Des Procedes Georges Claude Process and Apparatus for the Separation of Air by Cryogenic Distillation
CN1865822A (zh) * 2006-04-29 2006-11-22 四川空分设备(集团)有限责任公司 一种空气分离装置及其方法
CN101779093A (zh) * 2007-08-10 2010-07-14 乔治洛德方法研究和开发液化空气有限公司 用于通过低温蒸馏分离空气的方法和设备
CN201265997Y (zh) * 2008-09-05 2009-07-01 苏州制氧机有限责任公司 液体空气分离设备
CN103123203A (zh) * 2013-02-22 2013-05-29 河南开元空分集团有限公司 利用含氮废气进行再低温精馏制取纯氮的方法
US20160231053A1 (en) * 2013-09-17 2016-08-11 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and apparatus for producing gaseous oxygen by cryogenic distillation of air
CN104019629A (zh) * 2014-05-14 2014-09-03 中国海洋石油总公司 一种可与接收站冷能供应相匹配的空气分离方法
CN106949708A (zh) * 2016-11-25 2017-07-14 乔治洛德方法研究和开发液化空气有限公司 一种对原有低温空分装置进行改装用以提高低压纯氮气产量的方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112320764A (zh) * 2020-10-14 2021-02-05 杭州电子科技大学 一种节能型便携制氧装置
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
CN112414003A (zh) * 2020-11-24 2021-02-26 乔治洛德方法研究和开发液化空气有限公司 一种基于深冷精馏生产空气产品的方法及设备
CN112414003B (zh) * 2020-11-24 2022-06-21 乔治洛德方法研究和开发液化空气有限公司 一种基于深冷精馏生产空气产品的方法及设备
CN113405318A (zh) * 2021-06-29 2021-09-17 杭州制氧机集团股份有限公司 一种使用单个精馏塔生产纯氮的装置及其使用方法
CN113405318B (zh) * 2021-06-29 2024-04-05 杭氧集团股份有限公司 一种使用单个精馏塔生产纯氮的装置的使用方法
CN113654302A (zh) * 2021-08-12 2021-11-16 乔治洛德方法研究和开发液化空气有限公司 一种低温空气分离的装置和方法
CN113654302B (zh) * 2021-08-12 2023-02-24 乔治洛德方法研究和开发液化空气有限公司 一种低温空气分离的装置和方法

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