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Oxygen and nitrogen separation device with molecular sieve and hollow fiber membrane

A fiber membrane and molecular sieve technology, applied in the field of oxygen and nitrogen production, can solve the problems of large volume and weight, complex system piping, low nitrogen production efficiency, etc., to simplify the system structure, reduce volume and weight, and improve nitrogen production efficiency Improved effect

Active Publication Date: 2014-04-02
HEFEI JIANGHANG AIRCRAFT EQUIP CORP LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages are: the hollow fiber membrane nitrogen separation device uses air as the raw material gas, and the nitrogen production efficiency is relatively low
In addition, the two independent separation devices lead to increased bleed air volume and complicated system piping, resulting in large volume and weight

Method used

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  • Oxygen and nitrogen separation device with molecular sieve and hollow fiber membrane

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Embodiment Construction

[0007] The present invention will be described in further detail below. see figure 1 , a molecular sieve and hollow fiber membrane oxygen and nitrogen separation device is characterized in that it consists of a filter 1, a flow regulator 2, a molecular sieve oxygen generator 3, an ejector 4 and a hollow fiber membrane nitrogen generator 5; the filter The air inlet of filter 1 is connected with the air source, the air outlet of filter 1 is connected with the air inlet of flow regulating device 2 through pipelines, and the air outlet of flow regulating device 2 is respectively connected with the air inlet of molecular sieve oxygen generator 3 through pipelines The port 3a communicates with the ejector gas inlet 4a of the ejector 4, and the low-concentration nitrogen-enriched gas outlet 3c of the molecular sieve oxygen generator 3 communicates with the ejected gas inlet 4b of the ejector 4 through a pipeline, and the molecular sieve The oxygen gas outlet 3b of the oxygen generat...

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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 [0001] The invention belongs to the technology of oxygen and nitrogen production, and relates to the improvement of molecular sieve oxygen production separation device and hollow fiber membrane nitrogen production separation device. Background technique [0002] Both molecular sieve oxygen production and hollow fiber membrane nitrogen production are mature technologies. At present, the gas output by molecular sieve oxygen production separation device is high-concentration oxygen, and the waste gas outlet discharges nitrogen-rich gas to the atmosphere as waste gas; hollow fiber membrane nitrogen production separation device outputs The gas used is nitrogen-enriched, and the exhaust gas outlet discharges the separated oxygen-enriched gas to the atmosphere as exhaust gas. Its disadvantages are: the hollow fiber membrane nitrogen separation device uses air as the raw material gas, and the nitrogen production efficiency is relatively low. In addition, the two ind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B13/02C01B21/02
Inventor 赵宏韬蒋东升方玲郑玉田汪斌生
Owner HEFEI JIANGHANG AIRCRAFT EQUIP CORP LTD
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