CN-121992453-A - Hydrogen production device integrating centrifugal separation and buoyancy collection

CN121992453ACN 121992453 ACN121992453 ACN 121992453ACN-121992453-A

Abstract

The invention discloses a hydrogen production device integrating centrifugal separation and buoyancy collection, which relates to the technical field of hydrogen energy preparation and comprises an integrated separation and collection cabin, wherein the integrated separation and collection cabin comprises a separation cavity and a collection cavity, a spiral material guide plate and a gas collecting pipe are arranged in the separation cavity, electrolyte and oxygen in hydrogen can be separated through cooperation of the spiral material guide plate and the gas collecting pipe, the collection cavity is positioned at the lower side of the separation cavity, a buoyancy gas collecting bag is arranged in the collection cavity, electrolyte can be collected in the collection cavity, the buoyancy gas collecting bag can collect hydrogen after the electrolyte is separated, the buoyancy gas collecting bag is connected with a cleaning mechanism, separation and collection functions are integrated through integrated design, an external connecting pipeline is greatly reduced, leakage risk is reduced, and separation efficiency is far higher than that of gravity sedimentation by adopting a centrifugal separation principle, and hydrogen, oxygen and electrolyte can be rapidly separated.

Inventors

WU ZENAN
LU YE
CHEN XIANLEI
SHI HAOLEI
WU WENFENG
WU XINGWEI
CHEN TING
ZHU XIANDA
SHEN PEILU
Shen Zhengqian

Assignees

舟山市质量技术监督检测研究院

Dates

Publication Date: 20260508
Application Date: 20260108

Claims (9)

1. The hydrogen production device integrating centrifugal separation and buoyancy collection is characterized by comprising an integrated separation and collection cabin (1), wherein the integrated separation and collection cabin (1) comprises a separation cavity (2) and a collection cavity (3), a spiral guide plate (202) and a gas collecting tube (203) are arranged in the separation cavity (2), electrolyte and oxygen in hydrogen can be separated through cooperation of the spiral guide plate (202) and the gas collecting tube (203), the collection cavity (3) is located at the lower side of the separation cavity (2), a buoyancy gas collecting bag (302) is arranged in the collection cavity (3), electrolyte can be collected in the collection cavity (3), the buoyancy gas collecting bag (302) can collect hydrogen after the electrolyte is separated, and the buoyancy gas collecting bag (302) is connected with a cleaning mechanism which is configured to be driven by buoyancy movement of the buoyancy gas collecting bag (302) in the electrolyte so as to execute cleaning and stirring actions.
2. The hydrogen production device integrating centrifugal separation and buoyancy collection according to claim 1, wherein one side of the separation chamber (2) is fixedly and in through connection with a liquid inlet pipe (201), the spiral guide plate (202) is wound on the gas collecting pipe (203), a spiral gas guide pipe (205) is installed in the gas collecting pipe (203), a hydrogen pipe (207) is fixedly and in through connection with the upper side of the spiral gas guide pipe (205), and an oxygen pipe (206) is fixedly and in through connection with the side of the gas collecting pipe (203).
3. The hydrogen production device integrating centrifugal separation and buoyancy collection according to claim 2, wherein the tail end of the gas collecting tube (203) is fixed and is connected with a conical tube (204) in a penetrating way, and the conical tube (204) is communicated with the spiral gas guide tube (205).
4. A hydrogen plant integrating centrifugal separation and buoyancy collection according to claim 3, characterized in that the inside of the hydrogen pipe (207) is fitted with a molecular sieve membrane (4).
5. The hydrogen production device integrating centrifugal separation and buoyancy collection according to claim 4, wherein a mounting plate (301) is mounted in the collection chamber (3), the buoyancy collecting bag (302) is mounted on the mounting plate (301), a sealing plate (303) is mounted on the upper side of the buoyancy collecting bag (302), a transmission hose (208) is fixedly and penetratingly connected between the buoyancy collecting bag (302) and the hydrogen pipe (207), and a liquid discharge pipe (309) is mounted on one side of the collection chamber (3).
6. The hydrogen production device integrating centrifugal separation and buoyancy collection according to claim 5, wherein the cleaning mechanism is located on the outer side of the buoyancy collecting bag (302), the cleaning mechanism comprises a scraping brush ring (304), the scraping brush ring (304) is fixedly connected with the sealing plate (303), the scraping brush ring (304) is attached to the inner wall of the collecting cavity (3), stirring blades (310) are rotatably connected to the outer side of the mounting plate (301), a spiral sleeve (307) is rotatably connected to the inner wall of the collecting cavity (3) through a mounting block (306), a spiral rod (305) is spirally connected to the inner side of the spiral sleeve (307), the spiral rod (305) is fixedly connected with the scraping brush ring (304), a toothed ring (308) is fixedly connected to the upper side of the stirring blades (310) through a support, and the toothed ring (308) is meshed with the outer side wall of the spiral sleeve (307).
7. The hydrogen production device integrating centrifugal separation and buoyancy collection according to claim 6, wherein a hydrogen storage tank (5) is arranged on one side of the integrated separation and collection cabin (1), the hydrogen storage tank (5) comprises an explosion-proof tank (501), a shrinkage air bag (502) is arranged in the explosion-proof tank (501), a hydrogen inlet pipe (505) and a hydrogen discharge pipe (504) are respectively arranged on two sides of the shrinkage air bag (502), and the hydrogen inlet pipe (505) penetrates through the integrated separation and collection cabin (1) and is fixedly connected with a hose through the buoyancy air bag (302).
8. The hydrogen plant integrating centrifugal separation and buoyancy collection according to claim 7, wherein a spring plate (503) is mounted on an inner top wall of the explosion proof tank (501), the spring plate (503) being attached to the contracting bladder (502).
9. A hydrogen plant integrating centrifugal separation and buoyancy collection according to claim 1, wherein the collection chamber (3) is filled with electrolyte, the liquid level at least submerging the lower part of the buoyancy collecting envelope (302) to form a water-tight barrier between the buoyancy collecting envelope (302) and the separation chamber (2).

Description

Hydrogen production device integrating centrifugal separation and buoyancy collection Technical Field The invention relates to the technical field of hydrogen energy preparation, in particular to a hydrogen production device integrating centrifugal separation and buoyancy collection. Background The renewable energy sources in islands, frontier regions and the like are utilized for producing hydrogen by water electrolysis, and the method is an effective way for realizing the on-site absorption and storage of the energy sources. However, the application scenario has special requirements on hydrogen production equipment, namely compact structure to adapt to limited space, high efficiency and reliability to reduce maintenance frequency, high safety to cope with severe environment and capability of adapting to severe fluctuation of input power. In the traditional electrolytic water hydrogen production system, units such as gas separation, collection, storage and the like are often independently arranged, and through complex pipeline connection, the gas separation is dependent on simple gravity sedimentation or filtration, the efficiency is low, and the risk of oxyhydrogen mixing exists. The collection unit typically requires additional power equipment (e.g., a compressor) for gas delivery, increasing energy consumption and failure points. In addition, the separated hydrogen is directly collected in a normal pressure or low pressure storage tank, and the pressure change of the produced gas caused by the fluctuation of renewable energy sources is difficult to smooth, so that the stability of the whole system and downstream hydrogen utilization equipment are challenged. Accordingly, a hydrogen production device integrating centrifugal separation and buoyancy collection is provided to solve the problems set forth in the background art. Disclosure of Invention The invention aims to provide a hydrogen production device integrating centrifugal separation and buoyancy collection, which aims to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: The integrated centrifugal separation and buoyancy collection hydrogen production device comprises an integrated separation collection cabin, wherein the integrated separation collection cabin comprises a separation cavity and a collection cavity, a spiral material guide plate and a gas collecting pipe are arranged in the separation cavity, electrolyte and oxygen in hydrogen can be separated through cooperation of the spiral material guide plate and the gas collecting pipe, the collection cavity is located at the lower side of the separation cavity, a buoyancy gas collecting bag is arranged in the collection cavity, electrolyte can be collected in the collection cavity, the buoyancy gas collecting bag can collect hydrogen after the electrolyte is separated, and a cleaning mechanism is connected with the buoyancy gas collecting bag and is configured to be driven by buoyancy movement of the buoyancy gas collecting bag in the electrolyte so as to execute cleaning and stirring actions. As a still further scheme of the invention, one side of the separation cavity is fixedly and in through connection with a liquid inlet pipe, the spiral guide plate is wound on the gas collecting pipe, a spiral gas guide pipe is arranged in the gas collecting pipe, a hydrogen pipe is fixedly and in through connection with the upper side of the spiral gas guide pipe, and an oxygen pipe is fixedly and in through connection with the side of the gas collecting pipe. As a still further scheme of the invention, the tail end of the gas collecting tube is fixedly and penetratingly connected with a conical tube, and the conical tube is penetratingly connected with the spiral gas guide tube. As a still further scheme of the invention, a molecular sieve membrane is arranged in the hydrogen pipe. The buoyancy collecting air bag is arranged on the mounting plate, a sealing plate is arranged on the upper side of the buoyancy collecting air bag, a transmission hose is fixedly and penetratingly connected between the buoyancy collecting air bag and the hydrogen pipe, and a liquid discharge pipe is arranged on one side of the collecting cavity. The buoyancy collecting bag is characterized in that the cleaning mechanism is positioned on the outer side of the buoyancy collecting bag and comprises a scraping brush ring, the scraping brush ring is fixedly connected with the sealing plate, the scraping brush ring is attached to the inner wall of the collecting cavity, stirring blades are rotatably connected to the outer side of the mounting plate, a spiral sleeve is rotatably connected to the inner wall of the collecting cavity through a mounting block, a spiral rod is spirally connected to the inner portion of the spiral sleeve, the spiral rod is rotatably connected with the scraping brush ring, a toothed ring is fixedly con