CN103693623A - Oxygen and nitrogen separation device with molecular sieve and hollow fiber membrane - Google Patents
Oxygen and nitrogen separation device with molecular sieve and hollow fiber membrane Download PDFInfo
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- CN103693623A CN103693623A CN201310683327.9A CN201310683327A CN103693623A CN 103693623 A CN103693623 A CN 103693623A CN 201310683327 A CN201310683327 A CN 201310683327A CN 103693623 A CN103693623 A CN 103693623A
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Abstract
The invention belongs to an oxygen and nitrogen production technology, and relates to the improvement of a molecular sieve oxygen production separation device and a hollow fiber membrane nitrogen production separation device. The oxygen and nitrogen separation device with a molecular sieve and a hollow fiber membrane is characterized by comprising a filter (1), a flow adjusting device (2), a molecular sieve oxygen production device (3), an injector (4) and a hollow fiber membrane nitrogen production device (5). The oxygen and nitrogen separation device with the molecular sieve and the hollow fiber membrane has the advantages that exhaust gas of the molecular sieve oxygen production separation device can be used as feed gas of the nitrogen production separation device, so that the nitrogen production efficiency is improved; meanwhile, the air-entrainment quantity is reduced, the system structure is simplified, and the size and the weight are reduced.
Description
Technical field
The invention belongs to oxygen nitrogen technology processed, relate to the improvement to molecular sieve oxygen generation tripping device and hollow-fibre membrane nitrogen tripping device processed.
Background technology
Molecular sieve oxygen generation and hollow-fibre membrane nitrogen processed is mature technology, and at present, the gas of molecular sieve oxygen generation tripping device output is high-concentration oxygen, and its waste gas outlet drains into atmosphere using nitrogen-rich gas as waste gas; The gas of hollow-fibre membrane nitrogen tripping device output processed is rich nitrogen, and its waste gas outlet drains into atmosphere using isolated oxygen rich air as waste gas.Its shortcoming is: hollow-fibre membrane nitrogen tripping device processed be take air as unstripped gas, and nitrogen efficiency ratio processed is lower.In addition, independently two tripping devices cause amount of air entrainment to strengthen and system pipeline complexity, cause volume and weight large.
Summary of the invention
The object of the invention is: propose a kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device, to utilize the waste gas of molecular sieve oxygen generation tripping device as the unstripped gas of nitrogen tripping device processed, improve nitrogen efficiency processed; Meanwhile, save amount of air entrainment, simplied system structure, reduces volume and weight.
Technical scheme of the present invention is: a kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device, it is characterized in that, and it is comprised of strainer 1, flow regulation device 2, molecular sieve oxygen generator 3, injector 4 and hollow-fibre membrane nitrogen-making device 5, the inlet mouth of strainer 1 is communicated with air source, the air outlet of strainer 1 is communicated with the inlet mouth of flow regulation device 2 by pipeline, the air outlet of flow regulation device 2 is communicated with the inlet mouth 3a of molecular sieve oxygen generator 3 and the injection gas inlet mouth 4a of injector 4 respectively by pipeline, the rich nitrogen air outlet 3c of the lower concentration of molecular sieve oxygen generator 3 is communicated with by injection gas inlet mouth 4b by pipeline and injector 4, the oxygen air outlet 3b output oxygen of molecular sieve oxygen generator 3, the air outlet 4c of injector 4 is communicated with the inlet mouth 5a of hollow-fibre membrane nitrogen-making device 5 by pipeline, the nitrogen-rich gas air outlet 5b output nitrogen-rich gas of hollow-fibre membrane nitrogen-making device 5, the waste gas outlet 5c of hollow-fibre membrane nitrogen-making device 5 is communicated with atmosphere.
Advantage of the present invention is: proposed a kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device, can utilize the waste gas of molecular sieve oxygen generation tripping device as the unstripped gas of nitrogen tripping device processed, improved nitrogen efficiency processed; Meanwhile, save amount of air entrainment, simplified system architecture, reduced volume and weight.One embodiment of the present of invention, through evidence, nitrogen efficiency processed has improved more than 40%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below the present invention is described in further details.Referring to Fig. 1, a kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device, is characterized in that, it is comprised of strainer 1, flow regulation device 2, molecular sieve oxygen generator 3, injector 4 and hollow-fibre membrane nitrogen-making device 5, the inlet mouth of strainer 1 is communicated with air source, the air outlet of strainer 1 is communicated with the inlet mouth of flow regulation device 2 by pipeline, the air outlet of flow regulation device 2 is communicated with the inlet mouth 3a of molecular sieve oxygen generator 3 and the injection gas inlet mouth 4a of injector 4 respectively by pipeline, the rich nitrogen air outlet 3c of the lower concentration of molecular sieve oxygen generator 3 is communicated with by injection gas inlet mouth 4b by pipeline and injector 4, the oxygen air outlet 3b output oxygen of molecular sieve oxygen generator 3, the air outlet 4c of injector 4 is communicated with the inlet mouth 5a of hollow-fibre membrane nitrogen-making device 5 by pipeline, the nitrogen-rich gas air outlet 5b output nitrogen-rich gas of hollow-fibre membrane nitrogen-making device 5, the waste gas outlet 5c of hollow-fibre membrane nitrogen-making device 5 is communicated with atmosphere.
Principle of work of the present invention is: the air of introducing from air source is by strainer 1, remove impurity and steam in bleed, flow regulation device 2 is inputted respectively molecular sieve oxygen generator 3 and injector 4 by bleed, 3 pairs of molecular sieve oxygen generators are introduced gas and are carried out the separation of oxygen nitrogen, the oxygen rich gas of output is breathed for pilot, the concentration of output is that the rich nitrogen of the lower concentration of 80% left and right passes through injector 4 by after injection, introduce hollow-fibre membrane nitrogen-making device 5, carry out further oxygen nitrogen separated, the concentration of hollow-fibre membrane nitrogen-making device 5 outputs is used up to more than 95% rich nitrogen oil feeding reservoirs protection, remaining gas drains into atmosphere as waste gas.Compare with current hollow-fibre membrane nitrogen-making device 5, because the nitrogen content of source of the gas is improved, thereby improved nitrogen efficiency processed.
One embodiment of the present of invention, strainer 1, flow regulation device 2, molecular sieve oxygen generator 3, injector 4 and hollow-fibre membrane nitrogen-making device 5 all adopt finished parts.
Claims (1)
1. a molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device, it is characterized in that, it is comprised of strainer (1), flow regulation device (2), molecular sieve oxygen generator (3), injector (4) and hollow-fibre membrane nitrogen-making device (5), the inlet mouth of strainer (1) is communicated with air source, the air outlet of strainer (1) is communicated with the inlet mouth of flow regulation device (2) by pipeline, the air outlet of flow regulation device (2) is communicated with the inlet mouth (3a) of molecular sieve oxygen generator (3) and the injection gas inlet mouth (4a) of injector (4) respectively by pipeline, the rich nitrogen air outlet of the lower concentration of molecular sieve oxygen generator (3) (3c) is communicated with by injection gas inlet mouth (4b) by pipeline and injector (4), oxygen air outlet (3b) the output oxygen of molecular sieve oxygen generator (3), the air outlet (4c) of injector (4) is communicated with the inlet mouth (5a) of hollow-fibre membrane nitrogen-making device (5) by pipeline, nitrogen-rich gas air outlet (5b) the output nitrogen-rich gas of hollow-fibre membrane nitrogen-making device (5), the waste gas outlet (5c) of hollow-fibre membrane nitrogen-making device (5) is communicated with atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683327.9A CN103693623B (en) | 2013-12-13 | 2013-12-13 | A kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683327.9A CN103693623B (en) | 2013-12-13 | 2013-12-13 | A kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device |
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| Publication Number | Publication Date |
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| CN103693623A true CN103693623A (en) | 2014-04-02 |
| CN103693623B CN103693623B (en) | 2016-03-02 |
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| CN201310683327.9A Active CN103693623B (en) | 2013-12-13 | 2013-12-13 | A kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498712A (en) * | 2020-12-11 | 2021-03-16 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Combined hollow fiber membrane and molecular sieve machine-mounted oil tank inerting device |
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| US5207806A (en) * | 1991-10-08 | 1993-05-04 | Praxair Technology, Inc. | Dual product pressure swing adsorption and membrane operations |
| JP2002306918A (en) * | 2001-04-16 | 2002-10-22 | Nippon Sanso Corp | Gas separating method and device thereof |
| WO2005002966A1 (en) * | 2003-06-05 | 2005-01-13 | L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | On-board system for generating and supplying oxygen and nitrogen |
| CN101376493A (en) * | 2008-10-10 | 2009-03-04 | 南京航空航天大学 | Novel airborne oxygen generation-nitrogen generation coupling system |
| CN102091499A (en) * | 2011-01-19 | 2011-06-15 | 上海穗杉实业有限公司 | Method and device for separating combined oxygen and nitrogen absorbed together by temperature change |
| CN102091500A (en) * | 2011-01-19 | 2011-06-15 | 上海穗杉实业有限公司 | Variable pressure absorption oxygen and nitrogen combined separation method and device |
| CN202052451U (en) * | 2011-01-21 | 2011-11-30 | 中国人民解放军63653部队 | Device for enriching and separating xenon in air through carbon molecular sieves |
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2013
- 2013-12-13 CN CN201310683327.9A patent/CN103693623B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5163978A (en) * | 1991-10-08 | 1992-11-17 | Praxair Technology, Inc. | Dual product pressure swing adsorption process and system |
| US5207806A (en) * | 1991-10-08 | 1993-05-04 | Praxair Technology, Inc. | Dual product pressure swing adsorption and membrane operations |
| JP2002306918A (en) * | 2001-04-16 | 2002-10-22 | Nippon Sanso Corp | Gas separating method and device thereof |
| WO2005002966A1 (en) * | 2003-06-05 | 2005-01-13 | L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | On-board system for generating and supplying oxygen and nitrogen |
| CN101376493A (en) * | 2008-10-10 | 2009-03-04 | 南京航空航天大学 | Novel airborne oxygen generation-nitrogen generation coupling system |
| CN102091499A (en) * | 2011-01-19 | 2011-06-15 | 上海穗杉实业有限公司 | Method and device for separating combined oxygen and nitrogen absorbed together by temperature change |
| CN102091500A (en) * | 2011-01-19 | 2011-06-15 | 上海穗杉实业有限公司 | Variable pressure absorption oxygen and nitrogen combined separation method and device |
| CN202052451U (en) * | 2011-01-21 | 2011-11-30 | 中国人民解放军63653部队 | Device for enriching and separating xenon in air through carbon molecular sieves |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498712A (en) * | 2020-12-11 | 2021-03-16 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Combined hollow fiber membrane and molecular sieve machine-mounted oil tank inerting device |
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| CN103693623B (en) | 2016-03-02 |
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Address after: 230051 No. 35 Yan'an Road, Baohe Industrial Zone, Hefei City, Anhui Province Patentee after: Hefei Jianghang Aircraft Equipment Co., Ltd. Address before: 230051 Anhui Province, Hefei City Industrial Park Yanan Baohe Road No. 35 Patentee before: Hefei Jianghang Aircraft Equipment Co., Ltd. |
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