CN221171773U - Solid-state hydrogen supply system and hydrogen power equipment - Google Patents

Abstract

The utility model provides a solid-state hydrogen supply system and hydrogen power equipment, and belongs to the technical field of solid-state hydrogen storage. The solid hydrogen supply system comprises a base, wherein a bin is arranged on the base; the solid-state hydrogen source assembly comprises a solid-state hydrogen storage bottle and a valve bank busbar, the solid-state hydrogen storage bottle is arranged in the bin, and the valve bank busbar is arranged at the top of the solid-state hydrogen storage bottle; and the heat exchange assembly is arranged in the base. The utility model has simple structure, the heat exchange component is arranged in the base, the solid hydrogen source component and the base are detachably arranged, and the problems that the hydrogen storage tank integrally designed in the prior art cannot be replaced, the production cost is high and the like can be avoided. The heat exchange component of the solid hydrogen supply system of the hydrogen power equipment can be directly communicated with the waterway of the hydrogen equipment such as the fuel cell stack and the like for heat exchange, so that the energy consumption of the discharged gas can be reduced to zero, and the energy consumption of the whole power generation system can be reduced.

Description

Solid-state hydrogen supply system and hydrogen power equipment

Technical Field

The utility model relates to the technical field of solid hydrogen storage, in particular to a solid hydrogen supply system and hydrogen power equipment.

Background

The hydrogen energy has the characteristics of rich sources, high energy density, green low carbon and the like, and is regarded as the energy source with the most development potential in the 21 st century. In the development process of the hydrogen energy industry, the storage and transportation of hydrogen are key links for connecting upstream hydrogen production and downstream hydrogen utilization. At present, the hydrogen is stored and transported in 3 modes of high-pressure gas, liquid and solid. The solid-state hydrogen storage technology combines hydrogen with a hydrogen storage material in a physical or chemical mode to realize hydrogen storage, has the advantages of high volume hydrogen storage density, low pressure, high purity, good safety, long storage time and the like, and is one of the storage modes with the most commercialized development prospect.

Most of the existing integrated solid hydrogen storage containers are made of metal such as steel pipes or steel plates and then welded with parts such as connectors through end covers, and a plurality of hydrogen storage tanks are required to be connected in parallel so as to meet the required hydrogen storage capacity. And because the hydrogen absorption process of the hydrogen storage material is an exothermic process, and the hydrogen release process is an endothermic process, the shell-and-tube solid hydrogen storage container with the existing structure is usually internally provided with a heat exchange liquid flow passage structure to be connected with external equipment for heat exchange. However, the hydrogen storage tank and the heat exchange liquid flow passage of the integrated solid hydrogen storage container are integrated, the design can lead to the situation that the replacement of the hydrogen storage tank can not be completed anytime and anywhere when the integrated solid hydrogen storage container is used, and the production and manufacturing difficulties are also greater.

In addition, the existing hydrogen supply system for heating the hydrogen storage tank by adopting external equipment generally adopts a thermocouple to heat the bottle body of the solid hydrogen storage bottle, or adopts an electric heating wire to heat natural wind and then heat the solid hydrogen storage bottle by hot wind, so that certain electric energy is required to be additionally consumed, and the energy efficiency is very low.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, provides a solid hydrogen supply system and hydrogen power equipment, and has the advantages of convenience in replacement of a hydrogen storage bottle, low production difficulty, convenience in heat exchange in the hydrogen charging and discharging process, zero energy consumption and the like.

To achieve the above and other objects, the present utility model is achieved by comprising the following technical solutions: the utility model provides a solid-state hydrogen supply system which is characterized by comprising a base, wherein the base comprises a bin cover and a bin body, the bin cover is fixedly arranged on the bin body, and a plurality of bin spaces are formed on the bin cover in a way of sinking into the bin body; the solid-state hydrogen source assembly comprises a solid-state hydrogen storage bottle and a valve bank busbar, the solid-state hydrogen storage bottle is arranged in the bin, and the valve bank busbar is arranged at the top of the solid-state hydrogen storage bottle; and the heat exchange assembly is arranged in the base.

In an embodiment, the valve block busbar comprises a bottle valve, a hydrogen confluence pipeline and an integrated valve, wherein the bottle valve is correspondingly communicated with the solid-state hydrogen storage bottle, and the bottle valve is communicated with the integrated valve through the hydrogen confluence pipeline.

In an embodiment, the valve group busbar further comprises a fixing plate, the bottle valve and the hydrogen converging pipeline are fixedly arranged on the lower end face of the fixing plate, and the integrated valve is fixedly arranged on the upper end face of the fixing plate.

In one embodiment, a handle is arranged on the upper end surface of the fixing plate.

In an embodiment, the integrated valve is arranged at the center of the fixed plate, and the handles are symmetrically arranged at two sides of the integrated valve.

In one embodiment, the bin cover is provided with a liquid injection hole and an exhaust hole, and the liquid injection hole is used for injecting heat-conducting liquid into the bin body; the exhaust hole is covered with a layer of waterproof breathable film for exhausting gas in the bin body when the temperature is too high.

In one embodiment, the heat exchange assembly comprises a heat exchange cavity arranged at the left side and the right side of the base and a plurality of heat exchange medium pipelines communicated with the heat exchange cavities at the two sides; one side set up the inlet on the heat transfer cavity, the opposite side set up the liquid outlet on the heat transfer cavity, inlet and liquid outlet intercommunication external heat exchange equipment realize heat transfer medium in the circulation in the heat exchange component.

In an embodiment, a plurality of heat exchange medium pipelines are transversely arranged between two adjacent rows of the bin spaces, and a plurality of heat exchange medium pipelines between two adjacent rows of the bin spaces are arranged at the bottom of the bin body in parallel from bottom to top.

The utility model also provides hydrogen power equipment which is characterized by comprising the solid hydrogen supply system.

The utility model also provides a vehicle which is characterized by comprising the hydrogen power equipment.

Compared with the prior art, the invention has the following beneficial effects:

1. The utility model has simple structure, the heat exchange component is arranged in the base, the solid hydrogen source component and the base are detachably arranged, and the problems that the hydrogen storage tank which is integrally designed in the prior art cannot be replaced, the production cost is high and the like can be avoided;

2. According to the utility model, through the design of the valve group busbar, the uniform gas suction and discharge can be ensured, and the solid hydrogen storage bottle can be firmly fixed at the required position;

3. The handle is arranged on the fixing plate, so that the solid hydrogen source component can be conveniently lifted;

4. According to the utility model, the bin cover is recessed into the bin body to form a plurality of bin spaces, so that a gap for containing heat conducting liquid is formed between the bin body and the bin spaces, and the heat exchange efficiency of the heat exchange component and the solid hydrogen source component can be improved;

5. According to the utility model, the liquid injection hole and the exhaust hole are formed in the bin cover, so that the liquid injection hole can be used for conveniently injecting heat conduction liquid into the bin body, and the heat conduction between the heat exchange component and the solid hydrogen storage bottle is increased; the exhaust hole can exhaust the gas of the bin body when the temperature is too high, so that the safe use of the system is ensured;

6. The heat exchange component can be directly communicated with an external heat exchange device liquid path, and a plurality of heat exchange medium pipelines between two adjacent rows of bin positions are arranged at the bottom of the bin body in parallel from bottom to top, so that heat exchange can be preferentially carried out with heat conduction liquid at the bottom of the bin body to realize circulation of heat exchange medium in the heat exchange component, and the energy efficiency is high;

7. The heat exchange component of the solid hydrogen supply system of the hydrogen power equipment can be directly communicated with the waterway of the hydrogen equipment such as the fuel cell stack and the like for heat exchange, so that the energy consumption of the discharged gas can be reduced to zero, and the energy consumption of the whole power generation system can be reduced;

8. According to the utility model, through the design of the heat exchange medium pipeline, two liquids (heat exchange medium and heat conduction liquid) for heat exchange can be completely isolated, and the cleanliness of the circulating liquid (heat exchange medium) is ensured.

Drawings

FIG. 1 is a schematic diagram of a solid hydrogen supply system according to the present utility model.

Fig. 2 is a schematic diagram showing the structure of a solid hydrogen source module according to the present utility model.

Fig. 3 is a schematic diagram of a valve block busbar according to the present utility model.

Fig. 4 shows a first cross-sectional schematic view of the base and heat exchange assembly of the present utility model.

Figure 5 shows a second cross-sectional schematic view of the base and heat exchange assembly of the present utility model.

In the figure: 100. the device comprises a base, 110, a bin cover, 111, a bin space, 112, a liquid injection hole, 113, an exhaust hole, 120 and a bin body; 200, a solid state hydrogen source assembly; 210. the solid-state hydrogen storage bottle 220, a valve bank busbar 221, a fixing plate 222, a bottle valve 223, a hydrogen confluence pipeline 224, an integrated valve 225 and a handle; 300. the heat exchange device comprises a heat exchange component 310, a heat exchange cavity 311, a liquid inlet 312, a liquid outlet 320 and a heat exchange medium pipeline.

Detailed Description

Please refer to fig. 1-5. Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof.

In the present utility model, the serial numbers of the components, such as "first", "second", etc., are used only to distinguish the described objects, and do not have any sequential or technical meaning. The term "coupled", where the context clearly indicates otherwise, includes both direct and indirect coupling. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements is included, and may include other elements not expressly listed.

Example 1

As shown in fig. 1, the present utility model provides a solid state hydrogen supply system comprising a base 100, a solid state hydrogen source assembly 200 disposed on the base 100, and a heat exchange assembly 300 within the base 100. The solid hydrogen source component 200 is communicated with an external device gas circuit and is used for absorbing hydrogen from the external hydrogen production device to store hydrogen or discharging hydrogen to the external hydrogen production device; the heat exchange assembly 300 is in fluid communication with an external heat exchange device for exchanging heat with the solid hydrogen source assembly 200; the solid state hydrogen source assembly 200 is used for cooling the solid state hydrogen source assembly 200 when the solid state hydrogen source assembly 200 stores hydrogen and releases heat, and is used for heating the solid state hydrogen source assembly 200 when the solid state hydrogen source assembly 200 needs to release hydrogen and absorb heat.

As shown in fig. 2, the solid hydrogen source assembly 200 includes at least one solid hydrogen storage bottle 210 and a valve block manifold 220 that merges inlet and outlet gas lines of a plurality of the solid hydrogen storage bottles 210; the solid hydrogen storage bottle 210 is filled with a solid hydrogen storage material, which may be magnesium-based, titanium-based, vanadium-based, rare earth-based, composite hydrogen storage alloy, carbon material, or the like. Referring to fig. 3, the valve block bus 220 includes a fixing plate 221, and a bottle valve 222, a hydrogen gas bus line 223, and an integrated valve 224 fixedly disposed on the fixing plate 221. The bottle valves 222 are provided in plurality, are respectively installed at the top of the plurality of the solid hydrogen storage bottles 210 and are communicated with the gas inlet and outlet pipelines of the solid hydrogen storage bottles 210; the plurality of bottle valves 222 are in gas circuit communication through the hydrogen converging pipeline 223, and finally collect hydrogen to the integrated valve 224; the integrated valve 224 may be disposed at a central position of the fixing plate 221 and in gas circuit communication with an external device, and when the solid hydrogen source assembly 200 stores hydrogen, the integrated valve 224 is externally connected to a hydrogen production device or other hydrogen sources; when the solid state hydrogen source assembly 200 is discharging hydrogen, the integrated valve 224 is externally connected to a hydrogen device (typically a fuel cell stack, burner, etc.). The valve block bus 220 firmly fixes the solid state hydrogen storage bottle 210 at a specific position as a unit, i.e., the solid state hydrogen source assembly 200.

Specifically, the integrated valve 224 is set according to the functional requirement, and may include a valve body charging port for unidirectionally receiving the hydrogen in the hydrogen converging pipeline 223, a valve body gas outlet for transmitting the hydrogen to an external hydrogen device, a control valve for controlling the opening and closing of a valve body passage, and a safety valve for controlling the air pressure in the valve body. It should be noted that, for those skilled in the art, the inflation inlet and the air outlet are combined into one without affecting the function implementation. The integrated valve 224 has reasonable structure, high integration level, good safety performance and long service life, can simplify the pipeline arrangement of the valve bank busbar 220, reduce the possibility of mutually staggered winding among pipelines, and reduce the later maintenance difficulty.

Further, a handle 225 may be further provided on the fixing plate 221 to facilitate lifting when the solid hydrogen source assembly 200 is replaced. Specifically, two handles 225 may be disposed on two sides of the integrated valve 224, so as to ensure balance of the lifting operation.

As shown in fig. 4 and 5, the base 100 is designed in a heat exchange medium radiator mode, and the heat exchange assembly 300 is disposed inside the base 100. In particular, the base 100 may be made of a material resistant to corrosion and high temperature, such as stainless steel. The base 100 comprises a bin cover 110 and a bin body 120, wherein the bin cover 110 is fixedly covered on the bin body 120. The bin cover 110 is concavely formed with a plurality of bins 111 for containing the solid hydrogen storage bottles 210 toward the inside of the bin body 120, so as to form gaps between the bin body 120 and the bins 111 for containing heat conducting liquid. Specifically, the number and shape of the bins 111 are matched with those of the solid hydrogen storage bottles 210, for example, fig. 1 shows that the number of the solid hydrogen source assemblies 200 is 6, the number of the solid hydrogen storage bottles 210 of each solid hydrogen source assembly 200 is 10, and the solid hydrogen storage bottles 210 are cylindrical, in this embodiment, the inner diameter of each bin 111 is equal to the outer diameter of the bottom of the solid hydrogen storage bottle 210, so as to ensure that the bottom of the solid hydrogen storage bottle 210 is clamped, and thus fixing is achieved.

Further, the bin cover 110 is provided with a liquid injection hole 112 and an air exhaust hole 113, the liquid injection hole 112 is used for injecting heat-conducting liquid into the heat-conducting cavity 121 of the bin body 120, so that the heat-conducting liquid directly fills the residual space in which the bin body 120 is installed, and the heat conductivity between the solid hydrogen storage bottle 210 and the heat-exchanging medium pipeline 320 is increased; the air vent 113 is covered with a layer of waterproof and breathable film, so that the air vent 113 can not be filled with liquid or discharged with liquid, and is mainly used for discharging the air in the bin body 120 when the temperature is too high.

Further, in order to ensure the tightness of the liquid injection hole 112, so as to prevent the heat-conducting liquid from flowing out of the liquid injection hole 112, a sealing gasket may be provided on the liquid injection hole 112, and the cross section of the sealing gasket is T-shaped, so that the sealing gasket can be installed and fixed only by plugging down the sealing gasket along each hole.

The heat exchange assembly 300 is in fluid communication with an external heat exchange device, and is configured to exchange heat with the solid hydrogen source assembly 200, and includes heat exchange cavities 310 disposed on two sides of the cartridge 120, and a plurality of heat exchange medium pipelines 320 that are in communication with the heat exchange cavities 310 on two sides of the cartridge 120. The heat exchange cavity 310 on one side is provided with a liquid inlet 311 for communicating with a liquid outlet of an external heat exchange device, and the heat exchange cavity 320 on the other side is provided with a liquid outlet 312 for communicating with a liquid inlet of an external heat exchange device, so that a heat exchange medium can circulate in the heat exchange assembly 300 and the external heat exchange device. The heat exchange medium pipelines 320 are transversely arranged between two adjacent rows of the bin spaces 111, and the heat exchange medium pipelines 320 between two adjacent rows of the bin spaces 111 are arranged at the bottom of the bin body 120 in parallel from bottom to top so as to exchange heat with the heat conduction liquid at the bottom of the bin body 120 preferentially, thereby realizing heat exchange with the solid hydrogen source assembly 200. The heat exchange medium pipeline 320 completely isolates the two heat exchange liquids (heat exchange medium and heat conducting liquid) and ensures the cleanliness of the circulating liquid (heat exchange medium). Specifically, the heat exchange medium pipe 320 may be made of a material with corrosion resistance, high temperature resistance and high thermal conductivity.

In the solid state hydrogen supply system, when hydrogen is stored, since the solid state hydrogen storage material in the solid state hydrogen storage bottle 210 absorbs hydrogen and releases heat, the solid state hydrogen source assembly 200 needs to be cooled by an external cooling device to ensure that the solid state hydrogen source assembly can continuously absorb hydrogen. At this time, the liquid inlet 311 of the heat exchange assembly 300 is connected to the cold water outlet of the cooling device, the liquid outlet 312 of the heat exchange assembly 300 is connected to the hot water inlet of the cooling device, the cold water of the cooling device enters the heat exchange medium pipeline 320 to absorb the heat released by the solid hydrogen storage bottle 210 to the heat conducting liquid, so that the cold water is heated, and the heated hot water returns to the cooling device to complete cooling of the solid hydrogen source assembly 200.

Example two

The utility model also provides a hydrogen power device which can be a fuel cell stack, a combustion furnace, an emergency power supply, a hydrogen energy vehicle, a forklift, a truck and the like, and comprises the solid-state hydrogen supply system according to the first embodiment, wherein the solid-state hydrogen supply system supplies hydrogen to and exchanges heat with hydrogen equipment of the hydrogen power device. Specifically, because the solid-state hydrogen storage bottle 210 needs to absorb heat when releasing hydrogen, hot water (heat exchange medium) generated in the power generation process of the hydrogen-using device of the hydrogen power device can enter the heat exchange medium pipeline 320 in the base 100 through the liquid inlet 311, so that heat is brought to the heat conducting liquid in the base 100, the heat is absorbed by the solid-state hydrogen storage bottle 210 to obtain a cooling effect, and then flows back to the inside of the hydrogen-using device to dissipate heat for the galvanic pile, thereby achieving the purposes of heating the hydrogen bottle and dissipating heat of the galvanic pile, improving the utilization efficiency of hydrogen and reducing the energy consumption of the whole power generation system.

Specifically, when the hydrogen power equipment is a fuel cell stack or a combustion furnace, the hydrogen utilization equipment is the hydrogen power equipment; when the hydrogen power equipment is a hydrogen energy vehicle, an emergency power supply, a forklift or a truck, the hydrogen power equipment is a fuel cell of the hydrogen energy vehicle, the emergency power supply, the forklift or the truck.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value. The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (9)

1. A solid state hydrogen supply system, comprising

The base comprises a bin cover and a bin body, wherein the bin cover is fixedly covered on the bin body, and a plurality of bin spaces are formed on the bin cover in a way of sinking into the bin body;

The solid-state hydrogen source assembly comprises a solid-state hydrogen storage bottle and a valve bank busbar, the solid-state hydrogen storage bottle is arranged in the bin, and the valve bank busbar is arranged at the top of the solid-state hydrogen storage bottle;

And the heat exchange assembly is arranged in the base.

2. The solid state hydrogen supply system of claim 1, wherein the valve block manifold comprises a bottle valve in corresponding communication with the solid state hydrogen storage bottle, a hydrogen manifold, and an integrated valve in communication with the integrated valve through the hydrogen manifold.

3. The solid state hydrogen supply system of claim 2, wherein the valve block busbar further comprises a fixed plate, the bottle valve and the hydrogen gas confluence pipeline are fixedly arranged on a lower end face of the fixed plate, and the integrated valve is fixedly arranged on an upper end face of the fixed plate.

4. The solid state hydrogen supply system of claim 3 wherein a handle is provided on an upper end surface of the fixed plate.

5. The solid state hydrogen supply system of claim 4 wherein the integrated valve is disposed in the center of the fixed plate and the handles are symmetrically disposed on either side of the integrated valve.

6. The solid state hydrogen supply system of claim 1, wherein the bin cover is provided with a liquid injection hole and an exhaust hole, and the liquid injection hole is used for injecting heat conduction liquid into the bin body; the exhaust hole is covered with a layer of waterproof breathable film for exhausting gas in the bin body when the temperature is too high.

7. The solid state hydrogen supply system of claim 1 wherein the heat exchange assembly comprises a heat exchange cavity disposed on the left and right sides of the base and a plurality of heat exchange medium lines in communication with the heat exchange cavities on both sides; one side set up the inlet on the heat transfer cavity, the opposite side set up the liquid outlet on the heat transfer cavity, inlet and liquid outlet intercommunication external heat exchange equipment realize heat transfer medium in the circulation in the heat exchange component.

8. The solid state hydrogen supply system of claim 7 wherein a plurality of said heat transfer medium lines are disposed transversely between two adjacent rows of said spaces and wherein a plurality of said heat transfer medium lines between two adjacent rows of said spaces are disposed in parallel from bottom to top at the bottom of said cartridge body.

9. A hydrogen power plant comprising a solid state hydrogen supply system as claimed in any one of claims 1 to 8.