Circulation cooling water device of fuel cell system

A fuel cell system and circulating cooling water technology, which is applied in fuel cells, fuel cell additives, fuel cell heat exchange, etc., can solve the problems of simple heat transfer structure and complicated circulating cooling water pipelines, and ensure the stability of heat transfer , The effect of improving the comprehensive utilization rate of capacity

Active Publication Date: 2019-04-16
武汉氢能与燃料电池产业技术研究院有限公司
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Problems solved by technology

[0007] Some fuel cell system circulating cooling water devices are individually designed for each device, and the circulating cooling water pipeline is complicated; some fuel cell system circulating c

Method used

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  • Circulation cooling water device of fuel cell system

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Embodiment 1

[0026] Taking the oxygen storage device 3 adopting the liquid oxygen solution and the hydrogen storage device 2 adopting the alloy hydrogen storage solution as examples, combined with the structure and technical principles of the present invention, the remarkable effects of the present invention are further explained as follows:

[0027] Such as figure 1 As shown, the fuel cell system circulating cooling water device of the present invention includes a pure water circulation branch, a fresh water circulation branch and an external cooling water circulation branch for three-stage heat transfer and utilization.

[0028] Among them, the proton exchange membrane fuel cell module 1, the pressure regulating expansion tank 6 connected sequentially in the direction of water flow, the pure water pump 4, the pure water / fresh water heat exchanger 8, the temperature control valve 9, the regulating valve 5, the deionization equipment 7, the conductivity Main parts such as sensor 16, flow s...

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Abstract

The invention discloses a circulation cooling water device of a fuel cell system. The circulation cooing water device comprises a pure water circulation branch, a fresh water circulation branch and anexternal cooling water circulation branch, wherein the pure water circulation branch is used for performing three-stage heat transferring and utilization and is used for transferring heat to the fresh water circulation branch by a pure water/fresh water heat exchanger, the fresh water circulation branch is used for heating a hydrogen storage device and an oxygen storage device by fresh water, andremaining heat is transferred to the external cooling water circulation branch by the fresh water/external cooling water heat changer. By three-stage circulation water, heat transfer can be achievedlayer by layer; and heat exchange is performed in a stage way, the device is convenient to adjust, heat stepped utilization is achieved, and the energy comprehensive efficiency of the system can be effectively improved.

Description

technical field [0001] The invention belongs to the technical field of energy reuse, and in particular relates to a circulating cooling water device for a proton exchange membrane fuel cell system. Background technique [0002] The air-independent propulsion system refers to an energy system that can provide propulsion power and other power without relying on external air. Conventional air-independent propulsion systems mainly use the oxygen carried by themselves to provide combustion conditions for heat engines or electrochemical power generation devices, complete energy conversion, and provide propulsion power required for navigation. There are four main types of air-independent propulsion systems: fuel cells, heat engines, closed-cycle steam turbines, and closed-cycle diesel engines. [0003] At present, domestic and foreign technologies are relatively mature and have entered the practical stage mainly fuel cell systems and Stirling heat engine systems. In comparison, t...

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Application Information

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IPC IPC(8): H01M8/0267H01M8/04007H01M8/04029H01M8/04044H01M8/04701H01M8/04746H01M8/04858
CPCH01M8/0267H01M8/04029H01M8/04044H01M8/04052H01M8/04723H01M8/04768H01M8/04953Y02E60/50
Inventor 王振王兆聪张海波周琰彭冰蓉
Owner 武汉氢能与燃料电池产业技术研究院有限公司
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