JP2010025513A - 窒素製造方法及び装置 - Google Patents
窒素製造方法及び装置 Download PDFInfo
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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
- F25J3/04418—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 with thermally overlapping high and low pressure columns
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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
- F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
- F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
- F25J3/04193—Division of the main heat exchange line in consecutive sections having different functions
- F25J3/04206—Division of the main heat exchange line in consecutive sections having different functions including a so-called "auxiliary vaporiser" for vaporising and producing a gaseous product
- F25J3/04212—Division of the main heat exchange line in consecutive sections having different functions including a so-called "auxiliary vaporiser" for vaporising and producing a gaseous product and simultaneously condensing vapor from a column serving as reflux within the or another column
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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
- F25J3/04248—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
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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
- F25J3/04248—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
- F25J3/04303—Lachmann expansion, i.e. expanded into oxygen producing or low pressure column
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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
- F25J3/04248—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
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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
- F25J3/04424—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
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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
- F25J3/0443—A main column system not otherwise provided, e.g. a modified double column flowsheet
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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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/20—Processes or apparatus using separation by rectification in an elevated pressure multiple column system wherein the lowest pressure column is at a pressure well above the minimum pressure needed to overcome pressure drop to reject the products to atmosphere
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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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/50—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
- F25J2200/54—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column in the low pressure column of a double pressure main column system
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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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/90—Details relating to column internals, e.g. structured packing, gas or liquid distribution
- F25J2200/92—Details relating to the feed point
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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
- 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
Abstract
【解決手段】原料空気を第1窒素ガスと第1酸素富化液化流体とに分離する第1分離工程と、第1酸素富化液化流体を第2窒素ガスと第2酸素富化液化流体とに分離する第2分離工程と、第2酸素富化液化流体の一部からなる第3酸素富化液化流体を第3酸素富化ガス流体と第4酸素富化液化流体とに分離する第3分離工程と、原料空気と第4酸素富化液化流体とを間接熱交換させる第1間接熱交換工程と、第2酸素富化液化流体と第1窒素ガスとを間接熱交換させる第2間接熱交換工程と、第4酸素富化液化流体の一部からなる第5酸素富化液化流体と第2窒素ガスとを間接熱交換させる第3間接熱交換工程と、第2窒素ガスの一部を製品窒素ガスとして導出する製品回収工程とを含んでいる。
【選択図】図1
Description
Claims (6)
- 原料空気を深冷液化分離して製品窒素を採取する窒素製造方法において、圧縮、精製、冷却した原料空気と後述の第4酸素富化液化流体とを間接熱交換させて原料空気の一部を凝縮液化して気液二相空気を得ると同時に第4酸素富化液化流体を蒸発ガス化して第4酸素富化ガス流体を得る第1間接熱交換工程と、前記気液二相空気を低温蒸留して第1窒素ガスと第1酸素富化液化流体とに分離する第1分離工程と、前記第1酸素富化液化流体を減圧後に低温蒸留して第2窒素ガスと第2酸素富化液化流体とに分離する第2分離工程と、前記第2酸素富化液化流体と前記第1窒素ガスとを間接熱交換させて第1窒素ガスを凝縮液化して第1液化窒素を得ると同時に第2酸素富化液化流体を蒸発ガス化して第2酸素富化ガス流体を得る第2間接熱交換工程と、前記第2酸素富化液化流体の一部を液状態のまま抜き出した第3酸素富化液化流体を低温蒸留して第3酸素富化ガス流体と第4酸素富化液化流体とに分離する第3分離工程と、前記第4酸素富化液化流体の一部を液状態のまま第5酸素富化液化流体として抜き出し、減圧後に前記第2窒素ガスと間接熱交換させて第2窒素ガスを凝縮液化して第2液化窒素を得ると同時に減圧後の第5酸素富化液化流体を蒸発ガス化して第5酸素富化ガス流体を得る第3間接熱交換工程と、前記第2窒素ガスの一部を熱回収後に製品窒素ガスとして採取する製品回収工程とを含むことを特徴とする窒素製造方法。
- 前記第5酸素富化ガス流体を膨張タービンに導入して膨張させる寒冷発生工程を含むことを特徴とする請求項1の窒素製造方法。
- 前記原料空気の一部を膨張タービンに導入して膨張させる寒冷発生工程を含むことを特徴とする請求項1の窒素製造方法。
- 系外から液化ガスを供給して装置の運転に必要な寒冷を補う液化ガス注入工程を含むことを特徴とする請求項1の窒素製造方法。
- 原料空気を深冷液化分離して製品窒素を採取する窒素製造装置において、圧縮、精製、冷却した原料空気と後述の第4酸素富化液化流体とを間接熱交換させて原料空気の一部を凝縮液化して気液二相空気を得ると同時に第4酸素富化液化流体を蒸発ガス化して第4酸素富化ガス流体を得る第1間接熱交換器と、前記気液二相空気を低温蒸留して第1窒素ガスと第1酸素富化液化流体とに分離する第1精留塔と、前記第1酸素富化液化流体を減圧後に低温蒸留して第2窒素ガスと第2酸素富化液化流体とに分離する第2精留塔と、前記第2酸素富化液化流体と前記第1窒素ガスとを間接熱交換させて第1窒素ガスを凝縮液化して第1液化窒素を得ると同時に第2酸素富化液化流体を蒸発ガス化して第2酸素富化ガス流体を得る第2間接熱交換器と、前記第2酸素富化液化流体の一部を前記第2精留塔の底部から液状態のまま抜き出した第3酸素富化液化流体を低温蒸留して第3酸素富化ガス流体と第4酸素富化液化流体とに分離する第3精留塔と、前記第4酸素富化液化流体の一部を前記第3精留塔の底部から液状態のまま抜き出した第5酸素富化液化流体を減圧後に前記第2窒素ガスと間接熱交換させて第2窒素ガスを凝縮液化して第2液化窒素を得ると同時に減圧後の第5酸素富化液化流体を蒸発ガス化して第5酸素富化ガス流体を得る第3間接熱交換器と、前記第2窒素ガスの一部を熱回収後に製品窒素ガスとして採取する製品回収経路とを含むことを特徴とする窒素製造装置。
- 前記第2精留塔と前記第3精留塔は、前記第2精留塔の下部に前記第3精留塔が一体化されていることを特徴とする請求項5の窒素製造装置。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103575064A (zh) * | 2012-07-23 | 2014-02-12 | 中国石油化工股份有限公司 | 一种空气分离氧氮气快速增加压力氮气负荷的装置及方法 |
CN104121475A (zh) * | 2013-04-25 | 2014-10-29 | 中国石油化工股份有限公司 | 一种循环水浴液氮快速气化装置及操作方法 |
JP2015114083A (ja) * | 2013-12-13 | 2015-06-22 | 大陽日酸株式会社 | 空気分離方法及び装置 |
CN117722819A (zh) * | 2024-02-18 | 2024-03-19 | 浙江浙能技术研究院有限公司 | 一种自平衡式耦合lng冷能的新型液化空气储能系统 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07198249A (ja) * | 1993-12-15 | 1995-08-01 | Boc Group Plc:The | 空気を分離するための方法および装置 |
JPH07218122A (ja) * | 1993-12-22 | 1995-08-18 | Boc Group Plc:The | 空気を分離するための方法および装置 |
JPH08210769A (ja) * | 1994-10-04 | 1996-08-20 | Praxair Technol Inc | 低純度酸素生成のための側コラム付き極低温精留システム |
JPH08240380A (ja) * | 1995-01-05 | 1996-09-17 | Boc Group Plc:The | 空気の分離 |
JPH10132458A (ja) * | 1996-10-28 | 1998-05-22 | Nippon Sanso Kk | 酸素ガス製造方法及び装置 |
JPH11132652A (ja) * | 1997-10-27 | 1999-05-21 | Nippon Sanso Kk | 低純度酸素の製造方法及び装置 |
JP2004205076A (ja) * | 2002-12-24 | 2004-07-22 | Nippon Sanso Corp | 空気液化分離装置及び方法 |
JP2006132854A (ja) * | 2004-11-08 | 2006-05-25 | Taiyo Nippon Sanso Corp | 窒素製造方法及び装置 |
JP2007147113A (ja) * | 2005-11-24 | 2007-06-14 | Taiyo Nippon Sanso Corp | 窒素製造方法及び装置 |
-
2008
- 2008-07-24 JP JP2008190639A patent/JP5032407B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07198249A (ja) * | 1993-12-15 | 1995-08-01 | Boc Group Plc:The | 空気を分離するための方法および装置 |
JPH07218122A (ja) * | 1993-12-22 | 1995-08-18 | Boc Group Plc:The | 空気を分離するための方法および装置 |
JPH08210769A (ja) * | 1994-10-04 | 1996-08-20 | Praxair Technol Inc | 低純度酸素生成のための側コラム付き極低温精留システム |
JPH08240380A (ja) * | 1995-01-05 | 1996-09-17 | Boc Group Plc:The | 空気の分離 |
JPH10132458A (ja) * | 1996-10-28 | 1998-05-22 | Nippon Sanso Kk | 酸素ガス製造方法及び装置 |
JPH11132652A (ja) * | 1997-10-27 | 1999-05-21 | Nippon Sanso Kk | 低純度酸素の製造方法及び装置 |
JP2004205076A (ja) * | 2002-12-24 | 2004-07-22 | Nippon Sanso Corp | 空気液化分離装置及び方法 |
JP2006132854A (ja) * | 2004-11-08 | 2006-05-25 | Taiyo Nippon Sanso Corp | 窒素製造方法及び装置 |
JP2007147113A (ja) * | 2005-11-24 | 2007-06-14 | Taiyo Nippon Sanso Corp | 窒素製造方法及び装置 |
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