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Integrated gas-water separator for fuel cell

A gas-water separator and fuel cell technology, applied in fuel cells, electrical components, electrochemical generators, etc., can solve problems such as poor integration, inability to detect internal air pressure and liquid level, easy freezing and blockage of drains, etc. , to achieve the effect of compact structure, good water separation effect and small volume

Active Publication Date: 2021-12-03
菱辰氢能科技(上海)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to make up for the deficiencies of the prior art, the present invention provides an integrated gas-water separator for fuel cells, which solves the problems of poor integration and inability to detect internal air pressure and liquid level in previous gas-water separators. It solves the problem that the drain at the bottom of the previous air-water separator is easy to freeze and block

Method used

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Embodiment Construction

[0037] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings.

[0038] Such as Figure 1-3 As shown, an integrated gas-water separator for fuel cells includes a gas-water separator housing 1, a side of the gas-water separator housing 1 is provided with a hydrogen return inlet 2, and the bottom of the gas-water separator housing 1 is provided with Drain port 3, the top of gas-water separator housing 1 is provided with hydrogen return outlet 4, also includes:

[0039] Gas outlet detection pressure gauge 11, the gas outlet detection pressure gauge 11 is installed on the gas-water separator housing near the hydrogen return outlet, for detecting the gas pressure at the hydrogen return outlet;

[0040] A liquid level gauge 12, the liquid level gauge 12 is installed on the gas-water separator housing near the drain, and is ...

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Abstract

The invention relates to an integrated gas-water separator for a fuel cell; the separator comprises a gas-water separator shell, a return hydrogen inlet formed in one side of the gas-water separator shell, a water outlet formed in the bottom of the gas-water separator shell, and a return hydrogen outlet formed in the top of the gas-water separator shell, and further comprises a gas outlet detection pressure gauge mounted on the gas-water separator shell close to the hydrogen return outlet, a liquid level meter arranged on the gas-water separator shell close to the water outlet, a drain valve arranged on the gas-water separator shell at the water outlet, a heater, a nitrogen discharge valve and a labyrinth structure. The gas-water separator is compact in structure, small in size and high in integration degree, the gas outlet detection pressure gauge is used for detecting the gas pressure of the hydrogen return outlet to guarantee that the gas outlet pressure meets the requirement, the liquid level meter is used for detecting the water level of the bottom in the gas-water separator shell, and after the water level reaches a set value, the drain valve is opened in time to drain water. The heater is used for heating the bottom of the gas-water separator shell to prevent the water outlet from being frozen and blocked.

Description

Technical field: [0001] The invention relates to an integrated gas-water separator for a fuel cell. Background technique: [0002] At present, the development of new energy fuel cell vehicles is considered an important link in the transformation of transportation energy and power. In order to ensure the normal operation of fuel cell engines, fuel cell engines generally require auxiliary systems such as hydrogen supply subsystems, air supply subsystems, and circulating water cooling management subsystems. . Fuel cells generate electrical energy through the electrochemical reaction between combustible substances (hydrogen) and oxygen in the air. After the fuel cell reacts, the exhaust gas contains a large amount of hydrogen. If these hydrogen are directly discharged into the atmosphere, on the one hand It is a waste of energy. On the other hand, it causes pollution to the environment. Third, hydrogen is flammable and explosive, which will cause danger. Therefore, it is necess...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04119
CPCH01M8/04164Y02E60/50
Inventor 邢子义王升科邢晓明
Owner 菱辰氢能科技(上海)有限公司
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