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Operation control method of high-temperature electrolysis system and device thereof

A high-temperature electrolysis and operation control technology, applied in the electrolysis process, electrolysis components, etc., can solve the problems of inability to reduce thermo-mechanical stress, reduce the service life of high-temperature electrolysis system, increase the cost of stack structure complexity, and avoid thermo-mechanical stress. , Improve the service life, avoid the effect of thermal stress

Active Publication Date: 2021-11-26
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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  • Abstract
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Problems solved by technology

[0005] However, the current traditional method of adding a temperature homogenizing device increases the complexity of the stack structure and brings additional costs, and will also weaken the competitiveness of high-temperature electrolysis technology
The method of adjusting the output of hydrogen cannot reduce the thermomechanical stress, and it is easy to reduce the service life of the high-temperature electrolysis system

Method used

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  • Operation control method of high-temperature electrolysis system and device thereof
  • Operation control method of high-temperature electrolysis system and device thereof
  • Operation control method of high-temperature electrolysis system and device thereof

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Embodiment Construction

[0026] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application. Schematic layout of the high temperature electrolysis system, as figure 1 as shown, figure 1 It is shown that the electrolytic stack is heated by heating the externally supplied gas by the first electric heater ④ and the second electric heater ⑤. The high-temperature electrolysis system includes the electrolytic stack ①, the raw material regenerator / heat exchanger ② connected to the cathode of the electrolytic stack ①, the raw material regenerator / heat exchanger ③ connected to the anode of the electrolytic stack ①, and the first An electric heater ④, an air regenerator / hea...

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Abstract

The invention relates to an operation control method of a high-temperature electrolysis system and a device thereof, computer equipment and a storage medium. The method comprises the steps that during the operation period of the high-temperature electrolysis system, the working voltage of the high-temperature electrolysis system is set to be the thermal neutral voltage, the output amount of the product gas is adjusted by changing the temperature of the electrolysis stack, and the high-temperature electrolysis system is kept working at the thermal neutral voltage. By adopting the method, the service life of the high-temperature electrolysis system can be prolonged.

Description

technical field [0001] The present application relates to the technical field of high-temperature electrolysis systems, in particular to an operation control method for high-temperature electrolysis systems. Background technique [0002] With the development of high-temperature electrolysis system technology, in order to reduce the impact of electrolysis technology electrolysis stack performance loss caused by electrolysis stack attenuation and sudden failure, a better high-temperature electrolysis system operation control technology has emerged. [0003] In traditional technology, high-temperature electrolysis technology usually needs to operate between 600 degrees Celsius and 1000 degrees Celsius, and the electrolytic stack needs to be heated to its working temperature at room temperature before operation, so this also means that a lot of heat needs to be consumed. This heat needs to be obtained by an external heat source, such as heated air, infrared radiation, or directl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B15/02C25B1/04C25B1/042C25B1/23
CPCC25B15/02C25B1/04C25B1/042C25B1/23Y02E60/36
Inventor 欧绍辉
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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