CN-117258720-B - Microwave reactor for reversible hydrogen storage and release system of liquid carrier

CN117258720BCN 117258720 BCN117258720 BCN 117258720BCN-117258720-B

Abstract

The microwave reactor for the reversible hydrogen storage and release system of the liquid carrier comprises a shell, a carrying chamber, a catalytic piece, a heating mechanism and a heating mechanism, wherein the carrying chamber is arranged in the shell, the catalytic piece is arranged in the carrying chamber, a plurality of extending ends are arranged on the catalytic piece, the extending ends are uniformly distributed into a plurality of reaction cavities relative to the carrying chamber, the reaction cavities are used for preparing hydrogen, the heating mechanism is arranged between the shell and the carrying chamber, the heating mechanism is provided with a plurality of heating parts, the heating parts are the same in number and correspond to the reaction cavities one by one, and the heating parts are matched with the shell to uniformly heat the reaction cavities. The invention can solve the problems of miniaturization, modularization and low energy consumption system integration technology of a movable hydrogen storage and release system, and provides the reactor with the superposition of a plurality of microwave source space geometrical relations and frequency spectrum structures for enhancing the microwave heat transfer efficiency and electromagnetic uniform distribution.

Inventors

YANG LI
GAO BOTAO
GUO SHENGHUI
YAO SIYU
HOU MING
HUANG YUEDONG

Assignees

昆明理工大学
浙江大学

Dates

Publication Date: 20260508
Application Date: 20230918

Claims (6)

1. A microwave reactor for a liquid carrier reversible hydrogen storage system, comprising: A housing (4); the carrying chamber is arranged in the shell (4) and comprises a reaction chamber (3) arranged at the axle center of the shell (4); the catalytic piece is arranged in the carrying chamber, a plurality of extending ends are arranged on the catalytic piece, a plurality of reaction cavities are uniformly separated from the extending ends relative to the carrying chamber, and the reaction cavities are used for preparing hydrogen; The catalytic piece comprises at least six catalytic plates (7) arranged in the reaction chamber (3), the extending ends are the catalytic plates (7) which extend outwards along the axle center of the reaction chamber (3) to be fixedly connected with the inner wall surface of the reaction chamber (3), and the reaction cavity is arranged between two adjacent catalytic plates (7); The heating mechanism is arranged between the shell (4) and the carrying chamber, is provided with a plurality of heating parts, has the same number as the reaction chambers and corresponds to the reaction chambers one by one, and is matched with the shell (4) to uniformly heat and act on the reaction chambers; The heating part is a waveguide (2), the waveguide (2) is arranged on the shell (4), one end of the waveguide (2) stretches into the shell (4) to face the reaction chamber (3), and the distance between two adjacent waveguides (2) is the same.
2. The microwave reactor for a reversible hydrogen storage and release system for a liquid carrier according to claim 1, wherein two ends of the reaction chamber (3) are respectively provided with an output hole (1) and an input hole (6) which are communicated with a plurality of reaction cavities, the output hole (1) is used for outputting hydrogen, and the input hole (6) is used for inputting the liquid carrier.
3. The microwave reactor for reversible hydrogen storage and release system of liquid carrier according to claim 2, characterized in that the reaction chamber (3) is further provided with a liquid discharge hole (8), a gas discharge hole (9) and a temperature detection hole (5).
4. A microwave reactor for a reversible hydrogen storage system with liquid carrier according to claim 3, characterized in that the liquid discharge orifice (8) and gas discharge orifice (9) are at a lower level than the output orifice (1).
5. The microwave reactor for a reversible hydrogen storage and release system with a liquid carrier according to claim 1, wherein the catalytic plate (7) is of a porous structure, and a foam silicon carbide carrier is fixedly connected to the catalytic plate (7).
6. The microwave reactor for a reversible hydrogen storage and release system for a liquid carrier according to claim 1, wherein a plurality of parallel end surfaces are arranged on the peripheral side of the shell (4), the number of the parallel end surfaces is the same as that of the reaction chambers and corresponds to that of the reaction chambers one by one, and the waveguide (2) is detachably connected with the parallel end surfaces.

Description

Microwave reactor for reversible hydrogen storage and release system of liquid carrier Technical Field The invention belongs to the technical field of environment-friendly hydrogen energy, and particularly relates to a microwave reactor for a reversible hydrogen storage and release system of a liquid carrier. Background The reversible hydrogen storage and release technology using liquid molecules as media is a key technology for realizing large-scale hydrogen energy storage, transportation and application. In order to break through the bottleneck restriction of the development lag of the standing dehydrogenation reactor on the mobile hydrogen storage and release technology, the development of a low-energy-consumption microwave heat-supply dehydrogenation reaction unit based on an arene-saturated cycloalkane system with higher hydrogen storage density and more stable molecular structure serving as a hydrogen storage medium is important to establish a mobile hydrogen storage and release technology system aiming at a liquid hydrogen carrier. The traditional station-carrying type hydrogen production process has the advantages of limited space, high integration level requirement, low carrier consumption in operation, low hydrogen utilization rate, frequent start and stop and large working condition change. In the reversible hydrogen storage and release system of the liquid carrier, the advantages of the catalyst particle layer are huge, and the reversible hydrogen storage and release system of the liquid carrier is highly adapted. Therefore, in order to solve the problems of miniaturization, modularization and low energy consumption system integration technology of the mobile hydrogen storage and release system, the invention provides a multi-microwave source coupling technology, and a reactor for realizing superposition of space geometrical relations and frequency spectrum structures of a plurality of microwave sources to strengthen microwave heat transfer efficiency and electromagnetic uniform distribution. Disclosure of Invention The invention aims to provide a microwave reactor for a reversible hydrogen storage and release system of a liquid carrier, so as to solve the problems. In order to achieve the aim, the invention provides a microwave reactor for a reversible hydrogen storage and release system of a liquid carrier, which comprises the following steps: A housing; The carrying chamber is arranged in the shell; the catalytic piece is arranged in the carrying chamber, a plurality of extending ends are arranged on the catalytic piece, a plurality of reaction cavities are uniformly separated from the extending ends relative to the carrying chamber, and the reaction cavities are used for preparing hydrogen; The heating mechanism is arranged between the shell and the carrying chamber, and is provided with a plurality of heating parts, the number of the heating parts is the same as that of the reaction chambers and the heating parts are in one-to-one correspondence, and the heating parts are matched with the shell to uniformly heat and act on the reaction chambers. Preferably, the carrying chamber comprises a reaction chamber arranged at the axis of the shell, two ends of the reaction chamber are respectively provided with an output hole and an input hole which are communicated with a plurality of reaction cavities, the output holes are used for outputting hydrogen, and the input holes are used for inputting a liquid carrier. Preferably, the reaction chamber is further provided with a liquid discharge hole, a gas discharge hole and a temperature detection hole. Preferably, the liquid discharge hole and the gas discharge hole are lower in level than the output hole. Preferably, the heating part is a waveguide, the waveguide is arranged on the housing, one end of the waveguide extends into the housing to face the reaction chamber, and the spacing between two adjacent waveguides is the same. Preferably, the catalytic member comprises at least six catalytic plates arranged in the reaction chamber, the extending ends are the catalytic plates extending outwards along the axis of the reaction chamber to be fixedly connected with the inner wall surface of the reaction chamber, and the reaction cavity is arranged between two adjacent catalytic plates. Preferably, the catalytic plate is of a porous structure, and a foam silicon carbide carrier is fixedly connected to the catalytic plate. Preferably, the periphery side of the housing is provided with a plurality of flush end faces, the number of the flush end faces is the same as that of the reaction cavities and the flush end faces are in one-to-one correspondence, and the waveguides are detachably connected with the flush end faces. Compared with the prior art, the invention has the following advantages and technical effects: According to the invention, the catalytic piece uniformly divides the carrying chamber into a plurality of reaction chambers, hydrogen is prepare