WO2022186174A1 - 酸素濃縮装置、制御方法及び制御プログラム - Google Patents

酸素濃縮装置、制御方法及び制御プログラム Download PDF

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Publication number
WO2022186174A1
WO2022186174A1 PCT/JP2022/008493 JP2022008493W WO2022186174A1 WO 2022186174 A1 WO2022186174 A1 WO 2022186174A1 JP 2022008493 W JP2022008493 W JP 2022008493W WO 2022186174 A1 WO2022186174 A1 WO 2022186174A1
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WO
WIPO (PCT)
Prior art keywords
adsorption
pressure
closing
channel opening
oxygen gas
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.)
Ceased
Application number
PCT/JP2022/008493
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English (en)
French (fr)
Japanese (ja)
Inventor
規寛 藤田
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.)
Teijin Pharma Ltd
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Teijin Pharma Ltd
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 Teijin Pharma Ltd filed Critical Teijin Pharma Ltd
Priority to US18/277,885 priority Critical patent/US20240226799A9/en
Priority to CN202280018690.6A priority patent/CN116917020A/zh
Priority to JP2023503847A priority patent/JP7557043B2/ja
Priority to KR1020237030550A priority patent/KR20230144060A/ko
Priority to CA3211394A priority patent/CA3211394A1/en
Priority to EP22763229.6A priority patent/EP4302860A4/en
Publication of WO2022186174A1 publication Critical patent/WO2022186174A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/053—Pressure swing adsorption with storage or buffer vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0415—Beds in cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0446—Means for feeding or distributing gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0454—Controlling adsorption
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02—Preparation of oxygen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02—Preparation of oxygen
    • C01B13/0229—Purification or separation processes
    • C01B13/0248—Physical processing only
    • C01B13/0259—Physical processing only by adsorption on solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/12—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/102—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40013—Pressurization
    • B01D2259/40015—Pressurization with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
    • B01D2259/40064—Five
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4533—Gas separation or purification devices adapted for specific applications for medical purposes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00—Purification or separation of specific gases
    • C01B2210/0001—Separation or purification processing
    • C01B2210/0009—Physical processing
    • C01B2210/0014—Physical processing by adsorption in solids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00—Purification or separation of specific gases
    • C01B2210/0043—Impurity removed
    • C01B2210/0046—Nitrogen

Definitions

  • the concentrated oxygen gas generated in the adsorption cylinder during the adsorption process is transferred from the end of the concentrated oxygen lead-out side to the adsorption during the desorption process through the purge valve. Then, in order to efficiently generate high-concentration oxygen-enriched gas, the adsorption column is depressurized to exhaust nitrogen, and then the adsorption column and the adsorption column in the pressurization process are separated. It has been proposed to communicate and equalize the pressure via a pressure equalizing valve (Patent Documents 1 and 2). On the other hand, in order to suppress the power consumption of the oxygen concentrator, it has been proposed to control the rotation speed of the compressor and adjust the amount of supplied air (Patent Document 2).
  • 3(a) shows the gas flow of a general existing technology
  • 3(b) shows an example of the gas flow of the opening/closing operation of the oxygen concentrator according to the embodiment of the present invention.
  • the oxygen concentrator includes a plurality of adsorption cylinders (4A and 4B) filled with an adsorbent that preferentially adsorbs nitrogen over oxygen, and a pressurized air supply unit (1) that supplies pressurized air to the adsorption cylinders.
  • T1 and T4 are pressure equalization steps in both the adsorption cylinders (4A and 4B), both of the supply channel opening/closing parts (2A and 2B) are in the open state, and the exhaust channel The opening/closing parts (3A, 3B) are both closed, and the communication channel opening/closing part (5) is open.
  • the pressure in the adsorption cylinders (4A and 4B) is equalized.
  • the pressure can be equalized only by closing the communication channel opening/closing part (5) and opening both the supply channel opening/closing parts (2A, 2B).
  • the purging process (T3-1, T6-1) is performed after the vacuum desorption process (T2, T5), and the "purge process” is distinguished from the "vacuum desorption process". Since purging means purging part of the concentrated oxygen gas generated in the adsorption column under pressure adsorption to the adsorption column under reduced pressure desorption, the purge step is one aspect included in the vacuum desorption step. Therefore, it is sometimes expressed as "performing purging in the second half of the decompression process".

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
PCT/JP2022/008493 2021-03-02 2022-03-01 酸素濃縮装置、制御方法及び制御プログラム Ceased WO2022186174A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US18/277,885 US20240226799A9 (en) 2021-03-02 2022-03-01 Oxygen enrichment device, control method and control program
CN202280018690.6A CN116917020A (zh) 2021-03-02 2022-03-01 氧气富集装置、控制方法和控制程序
JP2023503847A JP7557043B2 (ja) 2021-03-02 2022-03-01 酸素濃縮装置、制御方法及び制御プログラム
KR1020237030550A KR20230144060A (ko) 2021-03-02 2022-03-01 산소 농축 장치, 제어 방법 및 제어 프로그램
CA3211394A CA3211394A1 (en) 2021-03-02 2022-03-01 Oxygen enrichment device, control method and control program
EP22763229.6A EP4302860A4 (en) 2021-03-02 2022-03-01 OXYGEN ENRICHMENT DEVICE, CONTROL METHOD AND CONTROL PROGRAM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021032687 2021-03-02
JP2021-032687 2021-03-02

Publications (1)

Publication Number Publication Date
WO2022186174A1 true WO2022186174A1 (ja) 2022-09-09

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ID=83154438

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Application Number Title Priority Date Filing Date
PCT/JP2022/008493 Ceased WO2022186174A1 (ja) 2021-03-02 2022-03-01 酸素濃縮装置、制御方法及び制御プログラム

Country Status (8)

Country Link
US (1) US20240226799A9 (https=)
EP (1) EP4302860A4 (https=)
JP (1) JP7557043B2 (https=)
KR (1) KR20230144060A (https=)
CN (1) CN116917020A (https=)
CA (1) CA3211394A1 (https=)
TW (1) TW202300215A (https=)
WO (1) WO2022186174A1 (https=)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63166702A (ja) * 1986-12-26 1988-07-09 Osaka Oxygen Ind Ltd 酸素ガス濃縮法
JPH11179133A (ja) * 1997-12-18 1999-07-06 Showa Engineering Co Ltd 濃縮酸素の製造方法
JPH11207128A (ja) 1998-01-29 1999-08-03 Daikin Ind Ltd 酸素濃縮機およびその制御方法
JP2002079030A (ja) 2000-09-06 2002-03-19 Ikiken:Kk 酸素濃縮装置
JP2005111019A (ja) * 2003-10-09 2005-04-28 Terumo Corp 酸素濃縮装置
JP2008173283A (ja) 2007-01-18 2008-07-31 Teijin Pharma Ltd 圧力スイング吸着式酸素濃縮器
JP2013052021A (ja) * 2011-09-01 2013-03-21 Teijin Pharma Ltd 酸素濃縮装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3654661B2 (ja) * 1994-06-02 2005-06-02 大陽日酸株式会社 圧力変動吸着分離法による酸素発生方法
US5536299A (en) * 1994-09-01 1996-07-16 Praxair Technology, Inc. Simultaneous step pressure swing adsorption process
US5518526A (en) * 1994-10-07 1996-05-21 Praxair Technology, Inc. Pressure swing adsorption process
US5529607A (en) * 1995-03-15 1996-06-25 The Boc Group, Inc. PSA process with dynamic purge control
US5656068A (en) * 1996-02-29 1997-08-12 Praxair Technology, Inc. Large capacity vacuum pressure swing adsorption process and system
JP4895467B2 (ja) * 2003-02-13 2012-03-14 昭和環境システム株式会社 酸素濃縮方法および酸素濃縮装置
EP2145646B1 (en) * 2007-05-07 2015-09-30 Teijin Pharma Limited Oxygen enricher

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63166702A (ja) * 1986-12-26 1988-07-09 Osaka Oxygen Ind Ltd 酸素ガス濃縮法
JPH11179133A (ja) * 1997-12-18 1999-07-06 Showa Engineering Co Ltd 濃縮酸素の製造方法
JPH11207128A (ja) 1998-01-29 1999-08-03 Daikin Ind Ltd 酸素濃縮機およびその制御方法
JP2002079030A (ja) 2000-09-06 2002-03-19 Ikiken:Kk 酸素濃縮装置
JP2005111019A (ja) * 2003-10-09 2005-04-28 Terumo Corp 酸素濃縮装置
JP2008173283A (ja) 2007-01-18 2008-07-31 Teijin Pharma Ltd 圧力スイング吸着式酸素濃縮器
JP2013052021A (ja) * 2011-09-01 2013-03-21 Teijin Pharma Ltd 酸素濃縮装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4302860A4

Also Published As

Publication number Publication date
US20240131466A1 (en) 2024-04-25
JPWO2022186174A1 (https=) 2022-09-09
JP7557043B2 (ja) 2024-09-26
CN116917020A (zh) 2023-10-20
EP4302860A4 (en) 2024-08-14
KR20230144060A (ko) 2023-10-13
TW202300215A (zh) 2023-01-01
US20240226799A9 (en) 2024-07-11
CA3211394A1 (en) 2022-09-09
EP4302860A1 (en) 2024-01-10

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