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A molecular membrane vehicle nitrogen and oxygen separation device and separation method

A nitrogen-oxygen separation and molecular membrane technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of lower separation efficiency and lower oxygen content, and achieve good air tightness, increase pressure difference, increase The effect of fuel combustion efficiency

Inactive Publication Date: 2017-03-01
JILIN UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] In order to solve the technical problem in the prior art that the oxygen content at the inlet end decreases after working for a period of time, the separation efficiency is reduced, the present invention designs and develops a molecular membrane nitrogen and oxygen separation device for vehicles, and provides two sets of Nitrogen and oxygen separation devices, they can work alternately, so that the nitrogen and oxygen separators in the non-working state can perform exhaust gas removal operations to improve separation efficiency, and provide a bypass and bypass flow control method. The air supply through the bypass ensures the normal operation of the engine during operation

Method used

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  • A molecular membrane vehicle nitrogen and oxygen separation device and separation method
  • A molecular membrane vehicle nitrogen and oxygen separation device and separation method
  • A molecular membrane vehicle nitrogen and oxygen separation device and separation method

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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0038] Such as figure 1 , figure 2As shown, the present invention provides a molecular membrane type nitrogen and oxygen separation device, including a turbocharger 101, a nitrogen and oxygen separator, that is, a molecular membrane 106, an inlet valve 110, an outlet valve 107, a negative pressure pump 108, an electric control section Flow valve 113. Wherein, the material of the molecular film 106 can be an organic compound such as fluoropolymer, ethyl cellulose, methyl silicone rubber, polyolefin compound, tetramethylpentene, etc. Gas outlet valve 107 is a three-way valve, and two ports of gas outlet valve 107 are connected with two nitrogen-oxygen separators respectively, and another port is connected with automobile engine 109, provides the air with high oxygen content ...

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Abstract

The invention discloses a molecular film type automotive nitrogen and oxygen separation device which comprises a turbocharger, a nitrogen and oxygen separator, a gas inlet valve, a gas outlet valve, a negative pressure pump and an electric control throttling valve. The turbocharger is driven by a turbine in an automobile turbocharger, so that the air is compressed to be conveyed to two paths of the nitrogen and oxygen separation device, the nitrogen and oxygen separation device can separate oxygen from the air, the air with high oxygen content is output, and the air is supplied to an engine for use through the gas outlet valve. The two paths of the nitrogen and oxygen separation device work alternately, when the temperature of the two paths of the nitrogen and oxygen separation device is too high to influence oxygen production efficiency, a main air inlet pipeline is opened to provide air normally by controlling the opening degree of the electric control throttling valve, and thus the phenomena of gas circuit plugging and engine stalling are avoided. According to the automotive nitrogen and oxygen separation device, the two branch paths work alternately, high concentration oxygen can be supplied to the engine continuously so that fuel can burn and act, and the burning utilization rate of the fuel is improved.

Description

technical field [0001] The invention relates to the field of nitrogen and oxygen separation, in particular to a molecular membrane type vehicle nitrogen and oxygen separation device and a separation method. Background technique [0002] With the development of the economy, energy shortage and environmental pollution have become worldwide problems. How to further improve the efficiency of internal combustion engines, save fuel, and reduce emissions has become one of the important directions for the development of internal combustion engine technology; with the development of automobile technology, internal combustion engine technologies, such as turbochargers High compression ratio, anti-shock fuel, multi-point direct injection, stratified combustion, lean combustion, intake and exhaust adjustment, high-energy ignition and other aspects of technology have been developed very maturely, and the thermal efficiency of internal combustion engines is already facing the bottleneck of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M25/12C01B13/02B01D53/22F02B37/00
CPCY02T10/12
Inventor 王军年刘鹏王治强王庆年孙娜娜张垚
Owner JILIN UNIV
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