CN219277285U

CN219277285U - Underground hydrogen storage device of photovoltaic car shed

Info

Publication number: CN219277285U
Application number: CN202320874623.6U
Authority: CN
Inventors: 张�荣; 尹淑彦; 王华峰; 石嵩
Original assignee: Shanghai Zhonghydrogen New Energy Technology Co ltd
Current assignee: Shanghai Zhonghydrogen New Energy Technology Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-06-30
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses an underground hydrogen storage device of a photovoltaic car shed, which relates to the technical field of underground hydrogen storage, wherein the car shed is provided with a stand column for supporting a shed roof, the underground hydrogen storage device comprises a spiral ground pile and a hydrogen storage steel pipe, a hydrogen storage cavity is arranged in the spiral ground pile, a gasket is wound on the outer wall of the hydrogen storage steel pipe, the hydrogen storage steel pipe is inserted into the hydrogen storage cavity, and the upper end of the spiral ground pile is fixedly connected with the lower end of the stand column. According to the utility model, the stand column is driven into the ground surface through the spiral ground pile, and the hydrogen storage steel pipe is inserted into the spiral ground pile, so that the hydrogen storage steel pipe is positioned in the ground surface, the ground surface area is not occupied, the temperature in the ground surface is constant, and an external person cannot touch the hydrogen storage steel pipe, so that the hydrogen storage steel pipe can store hydrogen safely. The liner is arranged between the hydrogen storage steel pipe and the spiral ground pile, so that the hydrogen storage steel pipe can not shake in the spiral ground pile, and the hydrogen storage steel pipe is ensured not to be damaged in the process of driving the spiral ground pile into the ground surface.

Description

Underground hydrogen storage device of photovoltaic car shed

Technical Field

The utility model relates to the technical field of solar energy sheds, in particular to a hydrogen storage device for a photovoltaic shed.

Background

Along with the continuous development of photovoltaic power generation technology, solar photovoltaic power generation bicycle shed appears in people's life, and its appearance not only can be for car sunshade, rain-proof, can also generate electricity and charge for electric automobile, and the photovoltaic bicycle shed does not additionally occupy the resource, and heat absorption is good, installs simply, and the yield is high, reaches energy-conserving, environmental protection purpose.

Along with the rapid development of the photovoltaic shed, the application of the hydrogen energy storage technology on the photovoltaic shed is well seen by the market. The hydrogen energy storage technology is to prepare hydrogen by electrolyzing water, store the hydrogen or transport the hydrogen through a pipeline, and the prepared hydrogen is subjected to cogeneration through a hydrogen fuel cell when the available energy is required. The hydrogen energy storage technology is suitable for large-scale energy storage and long-period energy adjustment, and is a key for realizing interconnection of multiple types of energy sources such as electricity, gas and the like. The hydrogen energy storage technology mainly comprises electrolytic hydrogen production, hydrogen storage and fuel cell power generation technologies, and can be used for renewable energy consumption, peak shaving and frequency modulation auxiliary service, peak clipping and valley filling, demand side response, micro-grid and other scenes.

The hydrogen energy density is high, the operation and maintenance cost is low, the long-time storage can be realized, the process is pollution-free, less energy can be stored for more than hundred giga-watts, and the energy storage device is applicable to energy storage for extremely short or extremely long-time power supply. Hydrogen is an excellent energy storage medium for renewable and sustainable energy systems. Hydrogen storage is considered to be a very potential new large-scale energy storage technology.

The Chinese patent of patent number 202011637266.9 discloses an intelligent charging pile for wind, light and hydrogen electricity storage riding, which comprises a solar cell panel assembly, a wind driven generator assembly, a storage battery, a hydrogen storage and production device, an intelligent power distribution device and a charging service end, wherein the hydrogen storage and production device comprises an electrolyzed water hydrogen generator, a high-pressure hydrogen storage tank and a fuel cell. According to the patent, the high-pressure hydrogen storage tanks are arranged on the ground, and the quantity and the volume of the high-pressure hydrogen storage tanks are large due to the large hydrogen quantity prepared by photovoltaic power generation, so that the occupied area is large; the high-pressure hydrogen storage tank is positioned on the ground surface, and the hydrogen can explode at the volume concentration of 4.0-75.6 percent, if the hydrogen is artificially destroyed, the hydrogen explodes, and the consequence is not considered.

Therefore, there is a need to invent a photovoltaic bicycle shed hydrogen storage device which can occupy a small area on the ground and can safely store hydrogen.

Disclosure of Invention

Based on the above, it is necessary to provide an underground hydrogen storage device for a photovoltaic shed, which aims at the technical problems that the hydrogen storage tank of the photovoltaic hydrogen storage solar shed occupies a large area and is unsafe.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a photovoltaic bicycle shed underground hydrogen storage device, the bicycle shed has the stand that is used for supporting the shed roof, and underground hydrogen storage device includes spiral ground stake and hydrogen storage steel pipe, the inside hydrogen storage cavity that is equipped with of spiral ground stake, the outer wall winding of hydrogen storage steel pipe has the liner, the hydrogen storage steel pipe inserts in the hydrogen storage cavity, the upper end and the lower extreme fixed connection of stand of spiral ground stake.

By adopting the technical scheme, the stand column is driven into the ground surface through the spiral ground pile, the hydrogen storage steel pipe is inserted into the spiral ground pile, so that the hydrogen storage steel pipe is positioned in the ground surface, the ground surface area is not occupied, the temperature in the ground surface is constant, an external person cannot touch the hydrogen storage steel pipe, and the hydrogen storage steel pipe can safely store hydrogen. The liner is arranged between the hydrogen storage steel pipe and the spiral ground pile, so that the hydrogen storage steel pipe can not shake in the spiral ground pile, and the hydrogen storage steel pipe is ensured not to be damaged in the process of driving the spiral ground pile into the ground surface.

Preferably, the upper end of the spiral ground pile is connected with a lower flange, the lower end of the upright post is connected with an upper flange, and the upper flange and the lower flange are welded.

By adopting the technical scheme, the spiral pile driver is firstly used for driving the spiral pile into the ground surface, and the spiral pile is connected with the upright post by welding the upper flange and the lower flange, so that the construction period is shortened.

Preferably, the shed is provided with a plurality of upright posts, the lower end of each upright post is connected with a spiral ground pile, and a hydrogen storage steel pipe is inserted into each spiral ground pile.

Through adopting above-mentioned technical scheme, solar energy power generation part stores in the battery package for the electric pile that charges in the bicycle shed consumes, and another part accessible electrolysis water hydrogen manufacturing system prepares into hydrogen, because the hydrogen volume of preparation is great, the hydrogen storage steel pipe in a plurality of spiral ground piles all is used for storing hydrogen.

Preferably, an integrated bottle valve is connected to the bottle mouth of the hydrogen storage steel pipe, the integrated bottle valve is connected with a hydrogen transmission pipeline, and the hydrogen transmission pipeline penetrates through the side wall of the spiral ground pile.

Through adopting above-mentioned technical scheme, the hydrogen pipe that stores up inwards or outwards carries hydrogen through integrated bottle valve, and the hydrogen pipeline passes from spiral ground stake and is used for carrying hydrogen, and the hydrogen pipeline is sealed with the spiral ground stake between, prevents that outside moisture from permeating to in the spiral ground stake.

Compared with the related art, the underground hydrogen storage device of the photovoltaic bicycle shed has the following beneficial effects:

according to the utility model, the stand column is driven into the ground surface through the spiral ground pile, and the hydrogen storage steel pipe is inserted into the spiral ground pile, so that the hydrogen storage steel pipe is positioned in the ground surface, the ground surface area is not occupied, the temperature in the ground surface is constant, and an external person cannot touch the hydrogen storage steel pipe, so that the hydrogen storage steel pipe can store hydrogen safely. The liner is arranged between the hydrogen storage steel pipe and the spiral ground pile, so that the hydrogen storage steel pipe can not shake in the spiral ground pile, and the hydrogen storage steel pipe is ensured not to be damaged in the process of driving the spiral ground pile into the ground surface.

Drawings

FIG. 1 is a schematic diagram of the structure of a shed and a spiral ground pile according to the present utility model;

FIG. 2 is a perspective view of a screw pile according to the present utility model;

fig. 3 is a schematic structural view of the hydrogen storage steel pipe of the present utility model.

Reference numerals: 10. a shed; 101. a column; 102. a shed roof; 103. a solar cell panel; 104. charging piles; 20. spiral ground piles; 201. a lower flange; 202. a hollow steel pipe straight pipe; 203. a cone drill bit; 30. a hydrogen storage steel pipe; 301. an integrated bottle valve; 40. a liner.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and examples.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", and the like, which indicate directions or positional relationships are based on directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present utility model.

Examples

Referring to fig. 1 to 3, an underground hydrogen storage device for a photovoltaic car shed according to an embodiment of the present utility model includes a photovoltaic car shed 10, the photovoltaic car shed 10 has a shed roof 102 and a column 101 for supporting the shed roof 102, and a solar panel 103 is paved on the shed roof 102 to generate electricity by using solar energy. An energy storage battery (not shown) and a plurality of charging piles 104 are arranged in the photovoltaic shed 10, and a solar panel 103, the energy storage battery and the plurality of charging piles 104 are in circuit connection, so that an electric vehicle is charged through the plurality of charging piles. The photovoltaic bicycle shed 10 is also internally provided with an electrolyzed water hydrogen production system (not shown in the figure) and a hydrogen fuel cell (not shown in the figure), the solar cell panel 103 generates surplus electric energy, the electrolyzed water hydrogen production system is used for preparing hydrogen, the prepared hydrogen is input into the hydrogen storage steel pipe 30 to store energy by the hydrogen, and when illumination is insufficient, the hydrogen storage steel pipe 30 supplies hydrogen to the hydrogen fuel cell for power generation.

Further, the underground hydrogen storage device includes a spiral ground stake 20 and a hydrogen storage steel pipe 30, the spiral ground stake 20 is used for fixing the upright post 101 in the ground surface, a hydrogen storage cavity for accommodating the hydrogen storage steel pipe 30 is formed in the hollow inside of the spiral ground stake 20, the hydrogen storage steel pipe 30 is inserted into the hydrogen storage cavity, and in order to avoid collision between the hydrogen storage steel pipe 30 and the spiral ground stake 20, a soft liner 40 is wound on the outer wall of the hydrogen storage steel pipe 30. After the spiral pile 20 is driven into the ground using the spiral pile driver, the upper end of the spiral pile 20 is welded to the lower end of the column 101. The hydrogen storage steel pipe 30 is inserted into the spiral ground pile 20, so that the hydrogen storage steel pipe 30 is positioned in the ground surface, the ground surface area is not occupied, and because the temperature in the ground surface is constant, the hydrogen storage steel pipe 30 cannot be touched by external personnel, and the hydrogen storage steel pipe 30 can safely store hydrogen.

The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.

The present utility model has the following embodiments based on the above description:

as shown in fig. 2, the spiral ground pile 20 comprises a hollow steel pipe straight pipe 202 with a hydrogen storage cavity inside, one end of the steel pipe straight pipe is provided with a conical drill 203, the outer wall of the steel pipe straight pipe is provided with a spiral sheet, the other end of the steel pipe straight pipe is welded with a lower flange 201, the lower end of the upright post 101 is welded with an upper flange, and the upper flange is welded with the lower flange 201 on site.

The photovoltaic roof 10 has a plurality of pillars 101 for supporting a roof 102 and a solar cell panel 103 having a larger area, and the lower ends of the pillars 101 are driven into the ground by the spiral piles 20, and each of the spiral piles 20 has a hydrogen storage steel pipe 30 for increasing the amount of hydrogen stored therein. The hydrogen storage steel pipe 30 can be a stainless steel seamless steel pipe or a steel cylinder.

Further optimizing the above embodiment, the bottle mouths of the plurality of hydrogen storage steel pipes 30 are all connected with the integrated bottle valves 301, the integrated bottle valves 301 are conventional valves for charging and discharging hydrogen by the hydrogen storage steel pipes 30, the plurality of integrated bottle valves 301 are connected in series by hydrogen transmission pipelines (not shown in the figure), the hydrogen transmission pipelines penetrate through the side walls of the spiral ground piles 20, and the hydrogen transmission pipelines and the spiral ground piles 20 are sealed to prevent moisture from entering the inside of the spiral ground piles 20. A port of the hydrogen delivery pipe, which is remote from the hydrogen storage steel pipe 30, communicates with the inlet of the hydrogen fuel cell, delivering hydrogen gas thereto.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A photovoltaic shed underground hydrogen storage device, the shed (10) having uprights (101) for supporting shed tops (102), characterized by: the underground hydrogen storage device comprises a spiral ground pile (20) and a hydrogen storage steel pipe (30), wherein a hydrogen storage cavity is formed in the spiral ground pile (20), a liner (40) is wound on the outer wall of the hydrogen storage steel pipe (30), the hydrogen storage steel pipe (30) is inserted into the hydrogen storage cavity, and the upper end of the spiral ground pile (20) is fixedly connected with the lower end of the upright post (101).

2. The underground hydrogen storage device of the photovoltaic bicycle shed according to claim 1, wherein: the upper end of the spiral ground pile (20) is connected with a lower flange (201), the lower end of the upright post (101) is connected with an upper flange, and the upper flange and the lower flange (201) are welded.

3. The underground hydrogen storage device of the photovoltaic bicycle shed according to claim 1, wherein: the shed (10) is provided with a plurality of upright posts (101), the lower end of each upright post (101) is connected with a spiral ground pile (20), and each spiral ground pile (20) is internally inserted with a hydrogen storage steel pipe (30).

4. The underground hydrogen storage device of the photovoltaic shed as in claim 3, wherein: an integrated bottle valve (301) is connected to the bottle mouth of the hydrogen storage steel pipe (30), the integrated bottle valve (301) is connected with a hydrogen transmission pipeline, and the hydrogen transmission pipeline penetrates through the side wall of the spiral ground pile (20).