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CN-224232660-U - Gas-liquid separation structure for hydrogen fuel cell

CN224232660UCN 224232660 UCN224232660 UCN 224232660UCN-224232660-U

Abstract

The utility model discloses a gas-liquid separation structure for a hydrogen fuel cell, which comprises a shell, wherein a fixing block is connected to the top of the shell in a threaded manner, an air outlet fixedly connected with the fixing block is arranged on the fixing block in a penetrating manner, a dismounting mechanism is arranged between the shell and the fixing block, the side wall of the shell is fixedly communicated with an air inlet, the bottom of the shell is fixedly communicated with a drain valve, a replacement mechanism is arranged between the shell and the drain valve, a water absorbing material is arranged in the shell, and the shell is sequentially provided with a protective layer, a corrosion resistant layer and a base layer from inside to outside. The water absorbing material can effectively intercept the absorption liquid, assist in improving the gas-liquid separation effect, and enable the fixing block and the shell to be in threaded connection, so that the water absorbing material can be replaced, and the shell is made of a material design consisting of the protective layer, the corrosion-resistant layer and the base layer, so that the water absorbing material has good wear resistance and corrosion resistance, and the service life of equipment is prolonged.

Inventors

  • WANG ZHIJIANG
  • YU LI
  • LENG CHENGLIN

Assignees

  • 山东凯格瑞森能源科技有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (6)

  1. 1. The utility model provides a gas-liquid separation structure for hydrogen fuel cell, includes casing (1), its characterized in that, the top threaded connection of casing (1) has fixed block (7), run through on fixed block (7) and be equipped with gas outlet (2) rather than fixed connection, the top fixedly connected with plug (9) of gas outlet (2), be equipped with dismouting mechanism between casing (1) and fixed block (7), the outer wall fixedly connected with round platform face (11) of gas outlet (2), recess (12) have been seted up to the bottom of round platform face (11), the lateral wall fixed intercommunication of casing (1) has air inlet (3), the bottom fixed intercommunication of casing (1) has drain valve (4), be equipped with change mechanism between casing (1) and drain valve (4), be equipped with water absorbing material (6) in casing (1), the outer wall of water absorbing material (6) offsets with the inner wall of casing (1), the material of casing (1) is set gradually as (15), corrosion-resistant layer (16) and basic unit (17) from interior to exterior.
  2. 2. The gas-liquid separation structure for a hydrogen fuel cell according to claim 1, wherein the dismounting mechanism comprises a threaded opening formed in the top of the housing (1), an external thread is formed in the outer wall of the fixing block (7), an internal thread matched with the external thread is formed in the inner wall of the threaded opening, a sealing member (8) is mounted in the threaded opening, and the sealing member (8) is abutted against the inner wall of the housing (1) and the outer wall of the fixing block (7).
  3. 3. The gas-liquid separation structure for a hydrogen fuel cell according to claim 1, wherein the replacement mechanism comprises a conveying port (13) penetrating through the bottom of the casing (1), a threaded sealing head (14) is fixedly communicated with the top of the drain valve (4), and an outer wall of the threaded sealing head (14) and an inner wall of the conveying port (13) are respectively provided with matched external threads and internal threads.
  4. 4. The gas-liquid separation structure for a hydrogen fuel cell according to claim 1, wherein a nitrogen discharge valve (5) is fixedly connected to a side wall of the housing (1).
  5. 5. The gas-liquid separation structure for a hydrogen fuel cell according to claim 1, wherein a plurality of mounting lugs (10) are fixedly connected to the outer wall of the housing (1), and each mounting lug (10) is provided with a mounting hole in a penetrating manner.
  6. 6. A gas-liquid separation structure for a hydrogen fuel cell according to claim 1, wherein the protective layer (15) is a ceramic coating, the corrosion-resistant layer (16) is a nickel-based alloy coating, and the base layer (17) is an aluminum alloy.

Description

Gas-liquid separation structure for hydrogen fuel cell Technical Field The utility model relates to the technical field of gas-liquid separation structures, in particular to a gas-liquid separation structure for a hydrogen fuel cell. Background At the moment of increasing energy and environmental protection demands, hydrogen fuel cells become research hot spots and development directions in the new energy field by virtue of the high-efficiency and clean characteristics of the hydrogen fuel cells. In the operation process of the hydrogen fuel cell, the gas-liquid separation structure is used as a key component, and plays a vital role in maintaining the stable operation of the cell and guaranteeing the power generation efficiency. In the aspect of shell materials, a plurality of existing structures adopt single materials, are not reasonably layered, so that the shell is easy to corrode and wear by a gas-liquid mixture, the service life is short, and the requirement of long-term stable operation of a hydrogen fuel cell cannot be met. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a gas-liquid separation structure for a hydrogen fuel cell, wherein a water absorbing material can effectively intercept absorption liquid, the gas-liquid separation effect is assisted to be improved, a fixing block and a shell can be replaced by a threaded connection mode, and the shell is designed by a material consisting of a protective layer, a corrosion-resistant layer and a base layer, so that the shell has good wear resistance and corrosion resistance, and the service life of equipment is prolonged. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a gas-liquid separation structure that hydrogen fuel cell used, includes the casing, the top threaded connection of casing has the fixed block, run through on the fixed block and be equipped with rather than fixed connection's gas outlet, the top fixedly connected with plug of gas outlet, be equipped with dismouting mechanism between casing and the fixed block, the outer wall fixedly connected with round platform face of gas outlet, the recess has been seted up to the bottom of round platform face, the lateral wall of casing is fixed to communicate there is the air inlet, the bottom of casing is fixed to communicate there is the drain valve, be equipped with between casing and the drain valve and change the mechanism, be equipped with the material that absorbs water in the casing, the outer wall of the material that absorbs water offsets with the inner wall of casing and sets up, the material of casing is from interior to exterior set gradually protective layer, corrosion-resistant layer and basic unit. Preferably, the dismounting mechanism comprises a threaded opening formed in the top of the shell, an external thread is arranged on the outer wall of the fixed block, an internal thread matched with the external thread is arranged on the inner wall of the threaded opening, a sealing piece is arranged in the threaded opening, and the sealing piece is propped against the inner wall of the shell and the outer wall of the fixed block. Preferably, the replacing mechanism comprises a conveying port penetrating through the bottom of the shell, the top of the drain valve is fixedly communicated with a threaded sealing head, and the outer wall of the threaded sealing head and the inner wall of the conveying port are respectively provided with matched external threads and internal threads. Preferably, the side wall of the shell is fixedly communicated with a nitrogen discharge valve. Preferably, the outer wall of the shell is fixedly connected with a plurality of mounting lugs, and each mounting lug is provided with a mounting hole in a penetrating way. Preferably, the protective layer is a ceramic coating, the corrosion-resistant layer is a nickel-based alloy coating, and the base layer is an aluminum alloy. Compared with the prior art, the utility model has the beneficial effects that: 1. The fixing block is in threaded connection with the shell, so that equipment is more convenient to install and detach, the difficulty and time cost of equipment maintenance are greatly reduced, the sealing piece is arranged to effectively prevent gas-liquid mixture from leaking at a connecting position, and the tightness and operation safety of the equipment are remarkably improved. 2. The water absorbing material can effectively intercept the absorption liquid, assist in improving the gas-liquid separation effect, ensure that subsequent equipment is not affected by impurities, improve the stability and reliability of the whole system, and the drain valve is in threaded connection with the shell, so that the drain valve can be quickly detached and replaced when the drain valve fails, ensure that the liquid is smoothly discharged and maintain the normal operation of the sys