Waste heat recovery management and control platform of large-scale alkaline water electrolysis hydrogen production device

Abstract

The invention discloses a waste heat recovery management and control platform of a large-scale alkaline water electrolysis hydrogen production device, which comprises a platform body and a controller arranged in the platform body, the first cooling water supply port, the first hot water recovery port, the second cooling water supply port, the second hot water recovery port, the third cooling water supply port and the third hot water recovery port are all arranged on the platform body, and the electric control water cooling device, the electrolyte heat exchanger and the gas cooler are correspondingly connected with the supply ports and the recovery ports. The power supply device is arranged in the platform body and connected with the controller, the cold and hot water treatment device is connected with the controller, each supply port is provided with an electromagnetic valve, each recovery port is provided with a thermometer, and the thermometers and the electromagnetic valves are connected with the controller. According to the management and control platform, centralized recovery of waste heat is achieved, the heat treatment efficiency is improved, the temperature in the hydrogen production process is adjusted by adjusting the flow, and the whole recovery adjustment control process is stable and accurate.

Description

technical field [0001] The invention belongs to the technical field of hydrogen production waste heat recovery, and in particular relates to a waste heat recovery control platform of a large-scale alkaline electrolysis water hydrogen production device. Background technique [0002] In the hydrogen energy industry, the use of alkaline water electrolysis to produce hydrogen is a common method. However, in the process of alkaline water electrolysis to produce hydrogen, due to the resistance of electrodes and electrolytes, the thermal effect of the current will cause the temperature of the electrolyte to increase. Gradually increase, and with the continuous production, the water temperature rises, which will cause the oxidation and corrosion of the electrolysis equipment to intensify, and also cause safety production accidents. At the same time, in the hydrogen purification process, the gas cooler will also generate a lot of heat. Timely evacuation will affect the efficiency of ...

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Problems solved by technology

[0002] In the hydrogen energy industry, it is a common method to produce hydrogen by alkaline electrolysis of water. However, in the process of hydrogen production by alkaline electrolysis of water, due to the resistance of the electrodes and electrolyte, the thermal effect of the current will make the temperature of the electrolyte However, with the continuous production, the water temperature rises, which will cause the oxidation and corrosion of the electrolysis equipment to intensify, and also cause safety production accidents. At the same time, in the hydrogen purification process, the gas cooler will also generate a lot of heat. If not Timely evacuation will affect the efficiency of the process. In addition, the electronic control equipment that supplies current to the electrodes is a heating component. Due to the continuous increase of accumulated heat, it will affect the stability of the electronic components in the electronic control equipment, and even burn down the power supply. Control equipment, thus causing safety hazards and losses to hydrogen production operations. In the actual hydrogen production process, producers usually adopt a single heat dissipation measure, which has low processing efficiency. Moreover, the heat treatment is often not stable and accurate enough, which seriously affects hydrogen production. Operation

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