JP5018264B2 - 窒素及び/又は酸素並びに圧縮空気の製造・供給方法 - Google Patents
窒素及び/又は酸素並びに圧縮空気の製造・供給方法 Download PDFInfo
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- JP5018264B2 JP5018264B2 JP2007159898A JP2007159898A JP5018264B2 JP 5018264 B2 JP5018264 B2 JP 5018264B2 JP 2007159898 A JP2007159898 A JP 2007159898A JP 2007159898 A JP2007159898 A JP 2007159898A JP 5018264 B2 JP5018264 B2 JP 5018264B2
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- compressor
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- compressed air
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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
- F25J3/04763—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
- F25J3/04957—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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- 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
- F25J3/04012—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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- 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
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04593—The air gas consuming unit is also fed by an air 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
- 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
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04593—The air gas consuming unit is also fed by an air stream
- F25J3/04606—Partially integrated air feed compression, i.e. independent MAC for the air fractionation unit plus additional air feed from the air gas consuming 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
- 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
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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
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/40—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being 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
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/40—Processes or apparatus involving steps for recycling of process streams the recycled stream being air
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Description
図1は、本発明の第1の実施形態における窒素ガス及び酸素ガス並びに圧縮空気の製造・供給フローを示す図である。
図2は、本発明の第2の実施形態における窒素ガス及び酸素ガス並びに圧縮空気の製造・供給フローを示す図である。
B 窒素ガス及び酸素ガス製造・供給系統
1、1a、1b、1c 一般空気圧縮機
2、2a、2b、2c 流量調整減圧弁
3、3a、3b、3c 流量調整弁
4 昇圧用空気圧縮機
11、11a、11b、11c 原料空気圧縮機
12、12a、12b、12c 前処理器
13、13a、13b、13c 空気液化分離器
21 配管
22 配管
Claims (1)
- 空気を第1の圧縮機で圧縮することによって圧縮空気を製造して供給するとともに、空気を第2の圧縮機で圧縮した後、空気液化分離器で液化分離することによって窒素ガス及び/又は酸素ガスを製造して供給するに際して、窒素ガス及び/又は酸素ガス並びに圧縮空気の需給量に応じて、第1の圧縮機で圧縮された圧縮空気と第2の圧縮機で圧縮された圧縮空気を融通することとし、第1の圧縮機の出側で分岐して第2の圧縮機の出側に合流する第1の分岐配管と、第2の圧縮機の出側で分岐して第1の圧縮機の出側に合流する第2の分岐配管を設置し、第1の分岐配管には流量調整減圧弁を設け、第2の分岐配管には流量調整弁と第3の圧縮機を設け、第1の圧縮機で圧縮される圧縮空気の量が不足気味の場合あるいは第2の圧縮機で圧縮される圧縮空気の量が余剰気味の場合は、前記流量調整弁を開放し、前記流量調整減圧弁を閉鎖して、第2の圧縮機で圧縮された圧縮空気の一部を第3の圧縮機に供給し、第3の空気圧縮機で昇圧した後、第1の圧縮機で圧縮された圧縮空気に合流させ、第2の圧縮機で圧縮された圧縮空気の量が不足気味の場合は、前記流量調整減圧弁を開放し、前記流量調整弁を閉鎖して、第1の圧縮機で圧縮された圧縮空気の一部を前記流量調整減圧弁で減圧した後、第2の圧縮機で圧縮された圧縮空気に合流させることを特徴とする窒素ガス及び/又は酸素ガス並びに圧縮空気の製造・供給方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007159898A JP5018264B2 (ja) | 2007-06-18 | 2007-06-18 | 窒素及び/又は酸素並びに圧縮空気の製造・供給方法 |
Applications Claiming Priority (1)
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JP2007159898A JP5018264B2 (ja) | 2007-06-18 | 2007-06-18 | 窒素及び/又は酸素並びに圧縮空気の製造・供給方法 |
Publications (2)
Publication Number | Publication Date |
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JP2008309446A JP2008309446A (ja) | 2008-12-25 |
JP5018264B2 true JP5018264B2 (ja) | 2012-09-05 |
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JP2007159898A Active JP5018264B2 (ja) | 2007-06-18 | 2007-06-18 | 窒素及び/又は酸素並びに圧縮空気の製造・供給方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105402604A (zh) * | 2015-12-29 | 2016-03-16 | 甘肃银光聚银化工有限公司 | 一种氮气压空联产供气的方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6075317B2 (ja) * | 2014-03-28 | 2017-02-08 | Jfeスチール株式会社 | 空気分離設備および空気分離設備の起動方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS61139609A (ja) * | 1984-12-13 | 1986-06-26 | Kawasaki Steel Corp | 工業炉の酸素富化方法 |
JP3959168B2 (ja) * | 1998-02-09 | 2007-08-15 | 大陽日酸株式会社 | 窒素及び/又は酸素及び精製空気の製造・供給装置及び方法 |
JP4398608B2 (ja) * | 2001-08-17 | 2010-01-13 | 株式会社東芝 | 原子力発電所の圧縮空気供給システム |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105402604A (zh) * | 2015-12-29 | 2016-03-16 | 甘肃银光聚银化工有限公司 | 一种氮气压空联产供气的方法 |
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