Metal hydride hydrogen charging activation device

Abstract

The utility model discloses a metal hydride hydrogen filling activation device which comprises a hydrogen source, the hydrogen source is connected with the input end of an electric control flow pressure valve through a pipeline, and the output end of the electric control flow pressure valve is connected with a hydrogenation busbar through a pipeline. The hydrogenation busbar is respectively connected with hydrogenation ports of a plurality of solid hydrogen storage units through a plurality of branch pipelines, the solid hydrogen storage units are placed in the water tank, the hydrogenation busbar and the vacuum busbar are adopted, hydrogenation and activation operations can be simultaneously carried out on a plurality of sets of hydrogen storage systems, switching among steps is not needed, the operation efficiency is remarkably improved, and meanwhile, the operation cost is reduced. The device is provided with the heating water tank, the refrigeration cycle machine and the hydrogen pressure and flow electric control module which are controlled by a microcomputer, and the environment temperature, the hydrogen pressure and the flow can be accurately regulated and controlled according to the activation and hydrogenation mechanism of the metal hydride, so that the activation and hydrogenation time is greatly shortened, and the reaction speed and the energy utilization efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hydrogen energy technical field, concretely relates to a metal hydride hydrogenation activation device. BACKGROUND

[0002] As a clean and efficient secondary energy, hydrogen energy is receiving more and more attention. Hydrogen energy system includes hydrogen production, hydrogen storage and hydrogen utilization, among which hydrogen storage technology as the core link is still the main obstacle restricting the development of hydrogen energy technology and industry. At present, the mainstream of hydrogen storage methods includes high-pressure gaseous hydrogen storage, low-temperature liquid hydrogen storage and solid-state hydrogen storage relying on hydrogen storage materials. Solid-state hydrogen storage technology realizes efficient storage of hydrogen through physical or chemical interaction between hydrogen and materials, has the advantages of high hydrogen storage density, low operating pressure and good safety, and becomes one of the key directions of hydrogen storage research and application.

[0003] However, the traditional solid-state hydrogen storage metal hydride system has many defects. The activation and hydrogenation device is complex, difficult to operate, and difficult to perform batch solid-state hydrogen storage activation and hydrogenation operation. The activation process is complex, requiring multiple mechanical treatments, which is inefficient; the hydrogenation device design is complex, requiring low-temperature and high-pressure environments, high requirements for equipment materials and operating personnel, and the high diffusivity and flammability of hydrogen increase the safety risk of the system. In addition, the traditional system has long activation and hydrogenation reaction time, slow speed, low energy utilization efficiency, insufficient hydrogenation pressure, and surface contact problems that reduce the reaction rate. At the same time, the traditional system has high cost, high-performance equipment requirements, low productivity, high energy consumption, equipment maintenance costs, and complex operation, resulting in high unit equipment price. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of metal hydride hydrogenation activation device to overcome the defects of the activation and hydrogenation device of traditional solid-state hydrogen storage metal hydride system, operation complex, long reaction time, high cost, improve operation efficiency, batch solid-state hydrogen storage activation, hydrogenation operation, improve reaction efficiency, reduce cost.

[0005] To achieve the above object, the utility model provides the following technical scheme: A kind of metal hydride hydrogenation activation device, including hydrogen source, the input end of the hydrogen source is connected with the electric control flow pressure valve by pipeline, the output end of the electric control flow pressure valve is connected with hydrogenation busbar by pipeline, the hydrogenation busbar is connected with the hydrogenation port of multiple solid hydrogen storage respectively by multiple branch pipes, solid hydrogen storage is placed in sink interior, water inlet and water outlet are equipped on the lateral wall of the sink, the water inlet of the sink is connected with the water outlet of electric control hot water tank by pipeline, the water inlet of the sink is connected with the water outlet of electric control refrigeration cycle machine by pipeline, the water outlet of the sink is connected with the water inlet of electric control hot water tank and electric control refrigeration cycle machine respectively by pipeline, form circulating waterway, vacuum busbar is connected with the input end of vacuum pump stop valve by pipeline, the output end of the vacuum pump stop valve is connected with the input end of vacuum pump by pipeline, the vacuum busbar is connected with the vacuumizing port of multiple solid hydrogen storage respectively by multiple branch pipes.

[0006] Preferably, the electric control flow pressure valve, electric control hot water tank, electric control refrigeration cycle machine and vacuum pump are connected with external control system.

[0007] Preferably, the device further comprises real-time monitoring device and emergency pressure relief device.

[0008] Preferably, the hydrogenation busbar and vacuum busbar are modular design, and the number of connected hydrogen storage systems can be expanded or reduced as needed.

[0009] Compared with the prior art, the utility model provides a kind of metal hydride hydrogenation activation device, with the following beneficial effects:

[0010] The utility model adopts hydrogenation busbar and vacuum busbar design, can simultaneously hydrogenate and activate multiple hydrogen storage systems, without switching between steps, significantly improve operation efficiency, at the same time, the device is equipped with microcomputer-controlled heating water tank, refrigeration cycle machine and hydrogen pressure and flow electric control module, can accurately control environment temperature, hydrogen pressure and flow according to the activation and hydrogenation mechanism of metal hydride, thereby greatly shorten activation and hydrogenation time, improve reaction speed and energy utilization efficiency, reduce the dependence on high-performance materials and complex process by optimizing equipment structure and automatic control, reduce equipment manufacturing cost, energy consumption and maintenance cost, while reducing the requirement for professional skills of operating personnel, further reduce labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0011] The drawings are used to provide further understanding of the utility model, and constitute part of the specification, together with the embodiments of the utility model, to explain the utility model, and do not constitute limitation to the utility model, in the drawings:

[0012] Figure 1The utility model provides a kind of metal hydride hydrogenation activation device structural diagram for the utility model.

[0013] In the drawing: 1, hydrogen source;2, electric control flow pressure valve;3, hydrogenation bus;4, water tank;5, solid hydrogen storage mechanism;6, electric control hot water tank;7, electric control refrigeration cycle machine;8, vacuum bus;9, vacuum pump stop valve;10, vacuum pump. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0015] Please refer to Figure 1 The utility model provides a kind of technical scheme: a kind of metal hydride hydrogenation activation device, including hydrogen source 1, for providing hydrogen, hydrogen source 1 is connected with the input end of electric control flow pressure valve 2 by pipeline, for accurately control the pressure and flow of hydrogenation, the output end of electric control flow pressure valve 2 is connected with hydrogenation bus 3 by pipeline, for realizing the simultaneous hydrogenation of multiple hydrogen storage systems, hydrogenation bus 3 is connected with the hydrogenation port of multiple solid hydrogen storage 5 respectively by multiple branch pipelines, solid hydrogen storage 5 is placed in water tank 4 inside, water tank 4 is equipped with water inlet and water outlet on side wall, the water inlet of water tank 4 is connected with the water outlet of electric control hot water tank 6 by pipeline, for providing required ambient temperature for activation and hydrogenation step, the water inlet of water tank 4 is connected with the water outlet of electric control refrigeration cycle machine 7 by pipeline, for providing required ambient temperature for activation and hydrogenation step, the water outlet of water tank 4 is connected with the water inlet of electric control hot water tank 6 and electric control refrigeration cycle machine 7 respectively by pipeline, forms circulating waterway, vacuum bus 8 is connected with the input end of vacuum pump stop valve 9 by pipeline, the output end of vacuum pump stop valve 9 is connected with the input end of vacuum pump 10 by pipeline, for providing vacuum environment for activation operation, vacuum bus 8 is connected with the vacuumizing port of multiple solid hydrogen storage 5 respectively by multiple branch pipelines, for realizing activation operation step.

[0016] In the utility model, preferably, electric control flow pressure valve 2, electric control hot water tank 6, electric control refrigeration cycle machine 7 and vacuum pump 10 are connected with external control system, the device further includes real-time monitoring device and emergency pressure relief device, real-time monitoring device is used to monitor pressure, temperature and flow in hydrogenation process, emergency pressure relief device is used to relieve pressure when system pressure is abnormal, to ensure system operation safety, hydrogenation bus 3 and vacuum bus 8 are modular design, can be expanded or reduce the number of connected hydrogen storage systems as required, to adapt to different scale activation and hydrogenation operation.

[0017] The working principle and use process of the utility model: in use, first, the solid hydrogen storage 5 is placed in the water tank 4, the water in the water tank 4 is heated or refrigerated through electric control hot water tank 6 or electric control cold circulation machine 7, to accurately control the ambient temperature in the water tank 4, meet the temperature condition required by metal hydride activation and hydrogenation, then, hydrogen source 1 provides hydrogen, after the pressure and flow of hydrogen are accurately controlled through electric control flow pressure valve 2, hydrogen is distributed to the hydrogenation port of each solid hydrogen storage 5 through hydrogenation busbar 3, realizes the synchronous hydrogenation operation of multiple hydrogen storage systems, in the activation operation process, vacuum pump 10 carries out vacuumizing treatment to solid hydrogen storage 5 through vacuum busbar 8 and vacuum pump stop valve 9, to complete the activation step, the whole process is automatically controlled by microcomputer control system, real-time monitoring device operating state, ensures that operation is safe and efficient.

[0018] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A metal hydride hydrogenation activation apparatus comprising a hydrogen source (1), characterised in that: The hydrogen source (1) is connected with the input end of the electrically controlled flow pressure valve (2) through a pipeline, the output end of the electrically controlled flow pressure valve (2) is connected with the hydrogenation busbar (3) through a pipeline, the hydrogenation busbar (3) is connected with the hydrogenation ports of a plurality of solid hydrogen storage devices (5) through a plurality of branch pipelines respectively, the solid hydrogen storage devices (5) are placed in a water tank (4), the sidewall of the water tank (4) is provided with a water inlet and a water outlet, the water inlet of the water tank (4) is connected with the water outlet of the electrically controlled hot water tank (6) through a pipeline, the water inlet of the water tank (4) is connected with the water outlet of the electrically controlled cold circulation machine (7) through a pipeline, the water outlet of the water tank (4) is connected with the water inlets of the electrically controlled hot water tank (6) and the electrically controlled cold circulation machine (7) through pipelines respectively, forming a circulating water circuit, the vacuum busbar (8) is connected with the input end of the vacuum pump stop valve (9) through a pipeline, the output end of the vacuum pump stop valve (9) is connected with the input end of the vacuum pump (10) through a pipeline, the vacuum busbar (8) is connected with the vacuumizing ports of a plurality of solid hydrogen storage devices (5) through a plurality of branch pipelines respectively.

2. A metal hydride hydrogen charging device according to claim 1, wherein: The electrically controlled flow pressure valve (2), the electrically controlled hot water tank (6), the electrically controlled cold circulation machine (7) and the vacuum pump (10) are connected with an external control system.

3. A metal hydride hydrogen charging device according to claim 1, wherein: The device further comprises a real-time monitoring device and an emergency pressure relief device.

4. A metal hydride hydrogen charging device according to claim 1, wherein: The hydrogenation busbar (3) and the vacuum busbar (8) are modular designs, and the number of connected hydrogen storage systems can be expanded or reduced as needed.

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