CN103693623B - A kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device - Google Patents
A kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device Download PDFInfo
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- CN103693623B CN103693623B CN201310683327.9A CN201310683327A CN103693623B CN 103693623 B CN103693623 B CN 103693623B CN 201310683327 A CN201310683327 A CN 201310683327A CN 103693623 B CN103693623 B CN 103693623B
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Abstract
The invention belongs to oxygen nitrogen technology, relate to the improvement to molecular sieve oxygen generation tripping device and hollow fiber membrane nitrogen production separation device.It is characterized in that, it is made up of strainer (1), flow regulation device (2), molecular sieve oxygen generator (3), injector (4) and hollow fiber membrane nitrogen device (5).The present invention proposes a kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device, the waste gas of molecular sieve oxygen generation tripping device can be utilized as the unstripped gas of nitrogen tripping device processed, improve nitrogen efficiency processed; Meanwhile, save amount of air entrainment, simplify system architecture, reduce volume and weight.
Description
Technical field
The invention belongs to oxygen nitrogen technology, relate to the improvement to molecular sieve oxygen generation tripping device and hollow fiber membrane nitrogen production separation device.
Background technology
Molecular sieve oxygen generation and hollow fiber membrane nitrogen are mature technology, and at present, the gas that molecular sieve oxygen generation tripping device exports is high-concentration oxygen, and nitrogen-rich gas is drained into air as waste gas by its waste gas outlet; The gas that hollow fiber membrane nitrogen production separation device exports is rich nitrogen, and isolated oxygen rich air is drained into air as waste gas by its waste gas outlet.Its shortcoming is: hollow fiber membrane nitrogen production separation device take air as unstripped gas, and nitrogen efficiency comparison processed is low.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, reduce volume and weight.
Technical scheme of the present invention is: a kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device, is characterized in that, it is made up of strainer 1, flow regulation device 2, molecular sieve oxygen generator 3, injector 4 and hollow fiber membrane nitrogen device 5, the inlet mouth of strainer 1 is communicated with air source, the air outlet of strainer 1 is communicated with by the inlet mouth of pipeline with flow regulation device 2, the air outlet of flow regulation device 2 is communicated with the injection gas inlet mouth 4a of injector 4 with the inlet mouth 3a of molecular sieve oxygen generator 3 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 of molecular sieve oxygen generator 3 exports oxygen, the air outlet 4c of injector 4 is communicated with the inlet mouth 5a of hollow fiber membrane nitrogen device 5 by pipeline, the nitrogen-rich gas air outlet 5b of hollow fiber membrane nitrogen device 5 exports nitrogen-rich gas, the waste gas outlet 5c of hollow fiber membrane nitrogen device 5 is communicated with air.
Advantage of the present invention is: propose a kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device, the waste gas of molecular sieve oxygen generation tripping device can be utilized as the unstripped gas of nitrogen tripping device processed, improve nitrogen efficiency processed; Meanwhile, save amount of air entrainment, simplify system architecture, reduce volume and weight.One embodiment of the present of invention, prove through test, nitrogen efficiency processed improves 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.See Fig. 1, a kind of molecular sieve and hollow-fibre membrane oxygen and nitrogen separation device, is characterized in that, it is made up of strainer 1, flow regulation device 2, molecular sieve oxygen generator 3, injector 4 and hollow fiber membrane nitrogen device 5, the inlet mouth of strainer 1 is communicated with air source, the air outlet of strainer 1 is communicated with by the inlet mouth of pipeline with flow regulation device 2, the air outlet of flow regulation device 2 is communicated with the injection gas inlet mouth 4a of injector 4 with the inlet mouth 3a of molecular sieve oxygen generator 3 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 of molecular sieve oxygen generator 3 exports oxygen, the air outlet 4c of injector 4 is communicated with the inlet mouth 5a of hollow fiber membrane nitrogen device 5 by pipeline, the nitrogen-rich gas air outlet 5b of hollow fiber membrane nitrogen device 5 exports nitrogen-rich gas, the waste gas outlet 5c of hollow fiber membrane nitrogen device 5 is communicated with air.
Principle of work of the present invention is: the air introduced from air source passes through strainer 1, remove the impurity in bleed and steam, bleed is inputted molecular sieve oxygen generator 3 and injector 4 by flow regulation device 2 respectively, molecular sieve oxygen generator 3 carries out the separation of oxygen nitrogen to introducing gas, the oxygen rich gas exported is breathed for pilot, the concentration exported be about 80% the rich nitrogen of lower concentration by injector 4 by after injection, introduce hollow fiber membrane nitrogen device 5, carry out further oxygen nitrogen to be separated, the concentration that hollow fiber membrane nitrogen device 5 exports uses up to the rich nitrogen oil feeding reservoirs protection of more than 95%, remaining gas drains into air as waste gas.Compared with current hollow fiber membrane nitrogen device 5, because the nitrogen content of source of the gas is improved, thus improve 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 fiber membrane nitrogen 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 made up of strainer (1), flow regulation device (2), molecular sieve oxygen generator (3), injector (4) and hollow fiber membrane nitrogen device (5), the inlet mouth of strainer (1) is communicated with air source, the air outlet of strainer (1) is communicated with by the inlet mouth of pipeline with flow regulation device (2), the air outlet of flow regulation device (2) is communicated with the injection gas inlet mouth (4a) of injector (4) with the inlet mouth (3a) of molecular sieve oxygen generator (3) 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) of molecular sieve oxygen generator (3) exports oxygen, the air outlet (4c) of injector (4) is communicated with the inlet mouth (5a) of hollow fiber membrane nitrogen device (5) by pipeline, the nitrogen-rich gas air outlet (5b) of hollow fiber membrane nitrogen device (5) exports nitrogen-rich gas, the waste gas outlet (5c) of hollow fiber membrane nitrogen device (5) is communicated with air.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN103693623A CN103693623A (en) | 2014-04-02 |
| CN103693623B true CN103693623B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| 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 |
| CN101376493A (en) * | 2008-10-10 | 2009-03-04 | 南京航空航天大学 | Novel airborne oxygen generation-nitrogen generation coupling system |
| 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 |
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3902416B2 (en) * | 2001-04-16 | 2007-04-04 | 大陽日酸株式会社 | Gas separation method |
| FR2855812B1 (en) * | 2003-06-05 | 2005-07-22 | Air Liquide | ONBOARD SYSTEM FOR THE GENERATION AND SUPPLY OF OXYGEN AND NITROGEN |
-
2013
- 2013-12-13 CN CN201310683327.9A patent/CN103693623B/en active Active
Patent Citations (6)
| 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 |
| CN101376493A (en) * | 2008-10-10 | 2009-03-04 | 南京航空航天大学 | Novel airborne oxygen generation-nitrogen generation coupling system |
| 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 |
| 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 |
| 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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| CN103693623A (en) | 2014-04-02 |
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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. |