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CN-224212782-U - Gas-liquid separation device of water electrolysis system and water electrolysis system

CN224212782UCN 224212782 UCN224212782 UCN 224212782UCN-224212782-U

Abstract

The application relates to a gas-liquid separation device of a water electrolysis system and the water electrolysis system, wherein the water electrolysis system comprises an electrolysis tank with an electrode, the gas-liquid separation device comprises a buffer, a separator, a cooler and a flame arrester, the buffer is arranged above the electrolysis tank and communicated with the electrolysis tank through a pipeline assembly, the separator is of a vertically arranged cylindrical structure, the bottom of the separator is in butt joint communication with the top of the buffer, the inside of the separator is filled with filler, the cooler is communicated with the top of the separator, and the flame arrester is communicated with the cooler, and the separator, the cooler and the flame arrester are sequentially communicated to form a gas path channel. According to the technical scheme, the output optimization of the electrolysis product is realized through the optimization of the mutual matching relation of the components of the electrolysis water system, the purity of the gas product can be improved, the application of the product is facilitated, and the production efficiency and the safety are improved.

Inventors

  • ZHANG DEXING
  • ZHANG XISHENG
  • QIAN MING

Assignees

  • 杭州普浚能源科技有限公司

Dates

Publication Date
20260508
Application Date
20250424

Claims (10)

  1. 1. A gas-liquid separation device of a water electrolysis system including an electrolytic tank having an electrode built therein, characterized by comprising: The buffer is arranged above the electrolytic tank and is communicated with the electrolytic tank through a pipeline component; The separator is of a vertically-arranged cylindrical structure, the bottom of the separator is in butt joint communication with the top of the buffer, and the inside of the separator is filled with filler; A cooler in communication with the top of the separator; and the flame arrester is communicated with the cooler, and the separator, the cooler and the flame arrester are sequentially communicated to form a gas path channel.
  2. 2. The gas-liquid separation device of a water electrolysis system according to claim 1, wherein the separator is communicated with the buffer through a partition plate, a communication hole is formed in the partition plate, and the packing is carried on the partition plate.
  3. 3. The gas-liquid separation apparatus of a water electrolysis system according to claim 1, wherein a ratio of the height of the buffer to the height of the separator in a gravitational direction is 0.5:1 to 1.5:1.
  4. 4. A gas-liquid separation device of a water electrolysis system according to claim 3, wherein the ratio between the diameter and the height of the separator itself is 0.5:1 to 1.5:1.
  5. 5. The gas-liquid separation device of a water electrolysis system according to claim 1, wherein the buffer is of a cylindrical structure which is transversely arranged in the axial direction and two ends of the buffer in the axial direction are closed; And in the gravity direction, a plurality of detection assemblies are assembled at the top of the buffer.
  6. 6. The gas-liquid separation apparatus of a water electrolysis system according to claim 5, wherein a plurality of the separators are provided, and each separator is arranged at intervals in an axial direction of the buffer.
  7. 7. The gas-liquid separation apparatus of a water electrolysis system according to claim 6, wherein the tops of the plurality of separators meet each other through a gas path pipe and communicate with the cooler.
  8. 8. The gas-liquid separation device of a water electrolysis system according to claim 7, wherein the pipeline assembly comprises a plurality of vertical pipelines which are arranged in parallel and in a coplanar manner, and the vertical pipelines are sequentially arranged at intervals along the axial direction of the buffer and define a reference surface; The cooler is located on one side of the reference surface, and a fan acting on the pipeline assembly and the cooler is arranged on the other side of the reference surface.
  9. 9. The gas-liquid separation device of a water electrolysis system according to claim 1, wherein the flame arresters are provided in plurality and are communicated in series or in parallel.
  10. 10. A water electrolysis system comprising the gas-liquid separation device according to any one of claims 1 to 9.

Description

Gas-liquid separation device of water electrolysis system and water electrolysis system Technical Field The application relates to the technical field of water electrolysis equipment, in particular to a gas-liquid separation device of a water electrolysis system and the water electrolysis system. Background In recent years, with the advancement of global energy transformation and carbon neutralization targets, hydrogen energy has been attracting attention as a clean, efficient secondary energy carrier. The technology for producing hydrogen by electrolyzing water is one of the core paths for preparing green hydrogen because of the characteristics of wide sources of raw materials (water) and zero carbon emission of products. For example, chinese patent publication No. CN115505429a discloses a fuel preparation system including a synthesis gas generation device that generates a synthesis gas including hydrogen and carbon monoxide from a carbonaceous raw material, a fuel preparation device that prepares a fuel from the generated synthesis gas, a water electrolysis device that generates hydrogen by electrolyzing water, a hydrogen supply unit that supplies the generated hydrogen to the synthesis gas generation device, a calculation unit that calculates an input energy based on a first energy possessed by the carbonaceous raw material, a second energy consumed in generating hydrogen, a third energy consumed in generating the synthesis gas, and a fourth energy consumed in preparing the fuel, and calculates a recovered energy based on a fifth energy possessed by the prepared fuel, and a determination unit that determines a supply amount of the supplied hydrogen based on the calculated input energy and the recovered energy. In the prior art, the electrolyzed gas product and the electrolyzed medium are mutually mixed, which has negative effects on the purity of the gas product, the application of the product, the production efficiency and the safety, and there is room for improvement. Disclosure of utility model The application provides a gas-liquid separation device of a water electrolysis system, which optimizes the output of electrolysis products through the mutual matching relation of components of the water electrolysis system, can improve the purity of the gas products, is convenient for the application of the products, and improves the production efficiency and the safety. An embodiment of the present application discloses a gas-liquid separation device of a water electrolysis system including an electrolytic tank with an electrode built therein, the gas-liquid separation device comprising: The buffer is arranged above the electrolytic tank and is communicated with the electrolytic tank through a pipeline component; The separator is of a vertically-arranged cylindrical structure, the bottom of the separator is in butt joint communication with the top of the buffer, and the inside of the separator is filled with filler; A cooler in communication with the top of the separator; and the flame arrester is communicated with the cooler, and the separator, the cooler and the flame arrester are sequentially communicated to form a gas path channel. The following provides several alternatives, but not as additional limitations to the above-described overall scheme, and only further additions or preferences, each of which may be individually combined for the above-described overall scheme, or may be combined among multiple alternatives, without technical or logical contradictions. In one embodiment, the separator is communicated with the buffer through a partition plate, a communication hole is formed in the partition plate, and the packing is carried on the partition plate. In one embodiment, the ratio of the height of the buffer to the height of the separator in the direction of gravity is in the range of 0.5:1 to 1.5:1. In one embodiment, the ratio between the diameter and the height of the separator itself ranges from 0.5:1 to 1.5:1. In one embodiment, the buffer is of a cylindrical structure which is transversely arranged in the axial direction, and two ends of the buffer in the axial direction are closed; And in the gravity direction, a plurality of detection assemblies are assembled at the top of the buffer. In one embodiment, the plurality of separators are provided, and each separator is arranged at intervals along the axial direction of the buffer. In one embodiment, the tops of the plurality of separators meet each other through a gas line and are in communication with the cooler. In one embodiment, the pipeline assembly comprises a plurality of vertical pipelines which are arranged in parallel and in a coplanar manner, and the vertical pipelines are respectively arranged at intervals along the axial direction of the buffer and determine a reference surface; The cooler is located on one side of the reference surface, and a fan acting on the pipeline assembly and the cooler is arranged on the other side of the ref