CN203011074U - 通过低温蒸馏空气生产增压净化空气和液体产品的装置 - Google Patents

通过低温蒸馏空气生产增压净化空气和液体产品的装置 Download PDF

Info

Publication number
CN203011074U
CN203011074U CN2012205407434U CN201220540743U CN203011074U CN 203011074 U CN203011074 U CN 203011074U CN 2012205407434 U CN2012205407434 U CN 2012205407434U CN 201220540743 U CN201220540743 U CN 201220540743U CN 203011074 U CN203011074 U CN 203011074U
Authority
CN
China
Prior art keywords
pipeline
air
pressure
tower
heat exchanger
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.)
Expired - Lifetime
Application number
CN2012205407434U
Other languages
English (en)
Inventor
F·伯恩
A·吉亚尔
L·若瓦尼
P·勒博
津田和隆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Application granted granted Critical
Publication of CN203011074U publication Critical patent/CN203011074U/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F25J3/04763—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
    • F25J3/04963—Arrangements of multiple air fractionation units or multiple equipments fulfilling the same process step, e.g. multiple trains in a network and inter-connecting equipment within or downstream of the fractionation unit(s)
    • 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
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04048—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of cold gaseous streams, e.g. intermediate or oxygen enriched (waste) streams
    • 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
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04048—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of cold gaseous streams, e.g. intermediate or oxygen enriched (waste) streams
    • F25J3/04066—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of cold gaseous streams, e.g. intermediate or oxygen enriched (waste) streams of oxygen
    • 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
    • F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
    • 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
    • F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
    • F25J3/0429—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of feed air, e.g. used as waste or product air or expanded into an auxiliary column
    • 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
    • F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
    • F25J3/04321—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of oxygen
    • 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
    • F25J3/04363—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 oxygen
    • 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
    • F25J3/044—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 single pressure main column system only
    • 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
    • F25J3/0443—A main column system not otherwise provided, e.g. a modified double column flowsheet
    • 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/72—Refluxing the column with at least a part of the totally condensed overhead gas
    • 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
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/40—Air or oxygen enriched air, i.e. generally less than 30mol% of O2
    • 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/24—Multiple compressors or compressor stages in parallel
    • 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
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
    • F25J2240/04—Multiple expansion turbines in parallel
    • 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
    • F25J2245/02—Recycle of a stream in general, e.g. a by-pass stream
    • 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
    • F25J2250/00—Details related to the use of reboiler-condensers
    • F25J2250/10—Boiler-condenser with superposed stages
    • 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
    • F25J2250/00—Details related to the use of reboiler-condensers
    • F25J2250/20—Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

本实用新型涉及通过低温蒸馏空气生产增压净化空气和液体产品的装置，包括：蒸馏塔系统；热交换器；涡轮机；空气压缩机；空气净化装置；将净化后空气分成第一和第二部分的管道；将第一部分送至热交换器冷却和冷却后将其送至蒸馏塔系统的管道；将第二部分送至热交换器冷却至中间温度后从热交换器移走并在第一压力下送至涡轮机、在膨胀后将其在第二压力下送至热交换器加热、和加热后将其作为产品流在第二压力下移走的管道；第一比第二压力高至少3bar且第二压力大于3bar abs；还具有将富氧液体从蒸馏塔系统送至一顶部冷凝器进行汽化并在汽化后将其作为第一富氧气体移走、将富氮流体从第一塔移走和将至少一种液体产品从蒸馏塔系统移走的管道。

Description

通过低温蒸馏空气生产增压净化空气和液体产品的装置
技术领域
本实用新型涉及一种通过低温蒸馏生产增压净化空气和液体产品的装置。
背景技术
由EP-A-1027913已知通过净化压缩空气并然后使净化后的空气在涡轮机中膨胀以产生能量来生产洁净干燥空气。
实用新型内容
本实用新型使用净化后的压缩空气膨胀时产生的冷却效果来生产液体产品。与将膨胀后的空气送到大气中相反，在该情况中，膨胀后的空气在至少3bars abs、优选至少5bars abs的压力下被移走，因为意在将其作为一种纯空气产品。
根据本实用新型，提供了一种通过低温蒸馏空气生产增压净化空气和液体产品的方法，其中：
i)将空气压缩到第一压力下并对其净化以形成第一压力下的净化空气
ii)将第一压力下的净化空气分为第一部分和第二部分
iii)使第一部分在热交换器中冷却，然后送至蒸馏塔系统的第一塔
iv)使第二部分在热交换器中冷却到一中间温度，从第一压力膨胀到第二压力，在该热交换器中在第二压力下被加热，并作为产品流被移走
v)第一压力比第二压力高至少3bars且第二压力大于3bars abs
vi)使来自第一塔的富氧液体在第一塔的顶部冷凝器中汽化，并作为第一富氧气体被移走
vii)从第一塔中移走富氮流体，以及
viii)从蒸馏塔系统移走至少一种液体产品。
可选地：
-至少一种液体产品是从第一塔移走的液氮。
-第一富氧气体被压缩并送回至第一塔。
-将富氧液体从第一塔的顶部冷凝器中移走并送至蒸馏塔系统的第二塔的顶部，将富氧液体从第二塔底部作为液体产品移走。
-使来自第一塔的冷凝器的富氧气体在涡轮机中膨胀。
根据本实用新型的另一方面，提供了一种通过低温蒸馏空气生产增压净化空气和液体产品的装置，该装置包括：一至少具有一第一塔的蒸馏塔系统，该第一塔具有至少一个顶部冷凝器；一热交换器；一涡轮机；一用于压缩至第一压力的压缩机；用于净化第一压力下的空气的净化装置；用于将第一压力下的净化后的空气分成第一部分和第二部分的管道装置；一用于将第一部分送至热交换器中以进行冷却的管道；一用于将在热交换器中冷却后的第一部分送至蒸馏塔系统的第一塔的管道；一用于将第二部分送至热交换器中以冷却至中间温度的管道；一用于将第二部分在中间温度下从热交换器中移走和用于将第二部分在第一压力下送至涡轮机的管道；一用于将膨胀后的第二部分在第二压力下送至热交换器中以在第二压力下被加热的管道；和一用于将加热后的第二部分作为产品流在第二压力下移走的管道；其中，第一压力比第二压力高至少3bars且第二压力大于3barsabs；该装置还具有一用于将富氧液体从第一塔送至第一塔的一个所述顶部冷凝器中以进行汽化的管道、一用于将汽化后的富氧液体作为第一富氧气体移走的管道、一用于将富氮流体从第一塔移走的管道、和一用于将至少一种液体产品从蒸馏塔系统移走的管道。
可选地，该装置包括第二蒸馏塔和用于向第二蒸馏塔提供来自第一塔和/或一所述顶部冷凝器的富氧液体的装置。
所述至少一种液体产品可包括液氮和液氧中的至少一种。
附图说明
下面将根据附图更详细地说明本实用新型，这些附图示出了按照本实用新型的方法，其中：
图1示出了本实用新型的最简单的实施方式的流程图；
图2示出了本实用新型的使用较复杂的氮蒸馏塔和冷压缩机及废气涡轮机的实施方式的流程图；
图3示出了本实用新型的使用氮蒸馏塔和氧蒸馏塔的实施方式的流程图；
图4示出了本实用新型的使用两个冷增压器和两个涡轮机的实施方式的流程图。
具体实施方式
图1示出了本实用新型最简单的形式，其中，在压缩机V中被压缩至9到10bars的第一压力的空气1在净化单元P中被净化以除去水和二氧化碳，并被分为第一部分5和第二部分3。第一部分5在铜焊铝制热交换器9中被完全冷却并送至单塔式氮蒸馏系统。A塔用来分离空气，在底部形成富氧液体11和在顶部形成富氮气体。富氮气体在顶部冷凝器C中冷凝并作为回流被送回该塔。富氧液体11被膨胀并送至顶部冷凝器C以形成汽化液体15，该汽化液体随后在热交换器9中被加热。液氮13作为产品被移走，气态的氮17优选也作为产品被移走以在交换器9中被加热。
第二空气部分3在交换器9中被冷却至一中间温度，在涡轮机7中膨胀从9到10bars降至5bars并被送回交换器9中以在5bars下被加热。加热后的空气4构成在5bars下的洁净空气产品。
在图2中，氮蒸馏塔稍更复杂一些，具有两个顶部冷凝器C1和C2，且所述方法使用冷压缩机25和废气涡轮机23。
在图2中，被压缩至9到10bars并在净化单元（图未显示）中净化的空气1被分为第一部分5和第二部分3。第一部分5在铜焊铝制热交换器9中被完全冷却并送至单塔式氮蒸馏系统。A塔用来分离空气，在底部形成富氧液体11和在顶部形成富氮气体。
富氮气体在顶部冷凝器C1和C2中冷凝并作为回流被送回该塔。富氧液体11被膨胀并送至顶部冷凝器C1以形成汽化液体15，该汽化液体随后在冷压缩机25中被压缩并送至A塔。来自冷凝器C1的液体被送至下部的冷凝器C2，所产生的汽化气体21在涡轮机23中膨胀并在热交换器9中被加热。液氮13作为产品被移走，气态的氮17优选也作为产品被移走以在交换器9中被加热。
第二空气部分3在交换器9中被冷却至一中间温度，在涡轮机7中膨胀从9到10bars降至5bars，并被送回交换器9中以在5bars下被加热。加热后的空气4构成在5bars下的洁净空气产品。
图3示出一氮发生器，其具有在8.5bars g和200ppb氧纯度下的43,000Nm3/h的气态氮产品流17和4,000Nm3/h的液氮流13。
来自净化单元的在9bars g、30℃下84,000Nm3/h的干燥洁净大气空气流5（大体上不含水和二氧化碳）在进入第一蒸馏塔A的中间阶段前，在交换器9中被冷却至-164℃的温度。
在9bars g、30℃下136,000Nm3/h的干燥洁净大气空气流3（大体上不含水和二氧化碳）在交换器9中被冷却至-153.5℃的温度，并由涡轮机7膨胀至4bars g下的-174℃的温度成为流4。该流4然后重新进入主交换器9，在那里被加热到28℃并作为增压干燥空气增压产品（下文简称CDA）被输送。
涡轮机7产生的能量由发电机（generator）重新获得。
包含37%mol.氧的78,000Nm3/h的富氧液体流11被从氮蒸馏塔A的底部抽出，分为两股流（流11A和流11B）。
47,000Nm3/h的富氧液体流11A通过一阀门膨胀并被供应给氮蒸馏塔A的顶部冷凝器C1。
31,000Nm3/h的富氧液体流11B（流19）被用作第二蒸馏塔B的再沸器R的热源，并和流11A混合并被供应给氮蒸馏塔A的顶部。
具有41,000Nm3/h流量并包含27%氧的气态富氧循环流27在4.7barsg和-172℃下从氮蒸馏塔A的顶部冷凝器C1排出，然后在循环增压器25中被压缩至8.9bars g，并在交换器9中过冷至-164.5℃后被供应给蒸馏塔A的靠下的部段。
来自冷凝器C2的在3.7bars g和-172℃下的31,100Nm3/h的气态富氧废气21在主交换器9中被加热到-135℃，在涡轮机23中膨胀，然后重新进入主交换器9并在那里被加热到28℃。
涡轮机23和冷增压器25相连。
废气流21具有35,380Nm3/h的流量并包含45.2%的氧；
包含68%氧的5,900Nm3/h的富氧液体流15在经过阀门膨胀后被从顶部冷凝器C2供给至氧蒸馏塔B。
具有4,280Nm3/h流量并包含56.1%氧的废气流28在0.5bar g和-183℃下从氧蒸馏塔B的上部排出，并在主交换器9中被加热至28℃。
从O2蒸馏塔B的集液池中，1,620Nm3/h的液氧流29作为产品被抽出。
图4与图3的不同之处在于使用了两个冷增压器23A、23B以及两个涡轮机25A、25B。富氧流21被分为流21A和流21B，流21A和流21B分别被送至涡轮机23A、23B中的一个。富氧流27被分为流27A和流27B，流27A和流27B分别被送至冷压缩机23A、23B中的一个。膨胀后的流然后在热交换器中被混合和加热，压缩后的流在过冷后被混合并送至蒸馏塔A。

Claims (3)

1.通过低温蒸馏空气生产增压净化空气和液体产品的装置，包括：一至少具有一第一塔（A）的蒸馏塔系统，该第一塔具有至少一个顶部冷凝器（C,C1,C2）；一热交换器（9）；一涡轮机（23）；一用于将空气压缩至第一压力的压缩机（V）；用于在第一压力下净化空气的净化装置（P）；用于将在第一压力下的净化后的空气分成第一部分和第二部分的管道装置；一用于将第一部分送至热交换器以进行冷却的管道；一用于将在热交换器中冷却后的第一部分送至蒸馏塔系统的第一塔的管道；一用于将第二部分送至热交换器以冷却至一中间温度的管道；一用于将第二部分在中间温度下从热交换器中移走和用于将第二部分在第一压力下送至涡轮机的管道；一用于将膨胀后的第二部分在第二压力下送至热交换器以在第二压力下被加热的管道；和一用于将加热后的第二部分作为产品流在第二压力下移走的管道；其中，第一压力比第二压力高至少3bars且第二压力大于3bars abs；该装置还具有一用于将富氧液体从第一塔送至第一塔的其中一个顶部冷凝器中以进行汽化的管道、一用于将汽化后的富氧液体作为第一富氧气体移走的管道、一用于将富氮流体从第一塔移走的管道和一用于将至少一种液体产品从蒸馏塔系统移走的管道。 
2.根据权利要求1所述的通过低温蒸馏空气生产增压净化空气和液体产品的装置，该装置还包括一第二蒸馏塔（B）和用于向第二蒸馏塔供给来自第一塔和/或一顶部冷凝器的富氧液体的装置。 
3.根据权利要求1或2所述的通过低温蒸馏空气生产增压净化空气和液体产品的装置，其特征在于，所述至少一种液体产品包括液氮和液氧中的至少一种。 
CN2012205407434U 2011-10-28 2012-10-22 通过低温蒸馏空气生产增压净化空气和液体产品的装置 Expired - Lifetime CN203011074U (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11306399.4 2011-10-28
EP11306399 2011-10-28

Publications (1)

Publication Number Publication Date
CN203011074U true CN203011074U (zh) 2013-06-19

Family

ID=48602663

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012205407434U Expired - Lifetime CN203011074U (zh) 2011-10-28 2012-10-22 通过低温蒸馏空气生产增压净化空气和液体产品的装置

Country Status (3)

Country Link
JP (1) JP3180832U (zh)
KR (1) KR20130002811U (zh)
CN (1) CN203011074U (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108079608A (zh) * 2017-12-22 2018-05-29 天津科创复兴科技咨询有限公司 一种有氮气保护的高效的蒸馏提纯设备
CN114174747A (zh) * 2019-07-26 2022-03-11 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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6546504B2 (ja) * 2015-10-20 2019-07-17 レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード 酸素製造システム及び酸素製造方法
JP6900241B2 (ja) * 2017-05-31 2021-07-07 レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード ガス製造システム
JP6351895B1 (ja) * 2018-03-20 2018-07-04 レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード 窒素製造方法および窒素製造装置
WO2021180362A1 (en) * 2020-03-10 2021-09-16 Linde Gmbh Cryogenic air separation method and air separation unit
KR102600758B1 (ko) 2023-07-03 2023-11-10 (주)오디씨티 Cda용 정제시스템

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108079608A (zh) * 2017-12-22 2018-05-29 天津科创复兴科技咨询有限公司 一种有氮气保护的高效的蒸馏提纯设备
CN114174747A (zh) * 2019-07-26 2022-03-11 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
CN114174747B (zh) * 2019-07-26 2024-05-28 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

Also Published As

Publication number Publication date
KR20130002811U (ko) 2013-05-09
JP3180832U (ja) 2013-01-10

Similar Documents

Publication Publication Date Title
CN203011074U (zh) 通过低温蒸馏空气生产增压净化空气和液体产品的装置
CN102652247B (zh) 用于通过低温蒸馏分离空气的方法和单元
JPS581350B2 (ja) 気体酸素製造法及び該製造法実施用低温プラント
JP2008506916A (ja) 加圧気体生成物を生成するための低温空気分離方法
EP2634517B1 (en) Process and apparatus for the separation of air by cryogenic distillation
CN101929790B (zh) 高纯氮设备
CN210399702U (zh) 一种空气分离系统
CN102230716A (zh) 空气增压返流膨胀内压缩空气分离的方法及其装置
CN102695935A (zh) 用于从剩余流体生产至少一种富氩流体和至少一种富氧流体的方法和装置
US20110067445A1 (en) Method And Apparatus For Separating Air By Cryogenic Distillation
EP2904339A2 (en) Process for the separation of air by cryogenic distillation
JP2011518307A5 (zh)
CN101929791B (zh) 大产量高纯氮设备
JP7451532B2 (ja) 極低温蒸留により空気を分離する装置及び方法
CN104185767B (zh) 用于产生两股净化的部分空气流的方法和设备
CN207365553U (zh) 一种生产高纯氧和高纯氮的装置
CN102042742A (zh) 通过低温空气分离获取液态氮的方法和设备
JPH0682157A (ja) 空気の分離
JPH11325717A (ja) 空気の分離
CN105765329A (zh) 通过低温蒸馏分离空气的方法和装置
EP1726900A1 (en) Process and apparatus for the separation of air by cryogenic distillation
CN102933927A (zh) 用于通过低温蒸馏分离空气的方法和设备
EP2741036A1 (en) Process and apparatus for the separation of air by cryogenic distillation
JP3203181B2 (ja) 窒素製造装置に付随する酸素製造方法
EP2662654A1 (en) Process and apparatus for the separation of air by cryogenic distillation

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20130619

CX01 Expiry of patent term