CN212565294U

CN212565294U - Compressible hydrogen gas unloading system

Info

Publication number: CN212565294U
Application number: CN202020907580.3U
Authority: CN
Inventors: 黄发
Original assignee: Guangdong Guolian Hydrogen Energy Technology Co ltd
Current assignee: Guangdong Guolian Hydrogen Energy Technology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-19
Anticipated expiration: 2030-05-26

Abstract

The utility model provides a compressible hydrogen gas discharging system, which comprises a hydrogen transporting vehicle, a gas discharging hose, a hydrogen main pipeline, a filter, an emergency stop device, a compressor, a hydrogen gas input pipe and a hydrogen gas output pipe; the output end of the gas discharge hose is communicated with the hydrogen main pipeline; the filter is arranged at the output end of the first hydrogen valve; the emergency stop device is arranged on the hydrogen main pipeline, the input end of the hydrogen input pipe is communicated to the output end of the hydrogen main pipeline, and the output end of the hydrogen input pipe is communicated to the hydrogen input end of the compressor; the input end of the hydrogen output pipe is communicated to the hydrogen output end of the compressor; the hydrogen input pipe is provided with a hydrogen input ball valve and a hydrogen input check valve, the utility model can compress hydrogen, increase the pressure of hydrogen and improve the working efficiency of the hydrogen filling station; meanwhile, nitrogen is introduced to purge the whole system, so that the safety and reliability of the system are improved.

Description

Compressible hydrogen gas unloading system

Technical Field

The utility model relates to a technical field of hydrogen transportation, especially a compressible hydrogen unload gas system.

Background

The hydrogen station is used for filling hydrogen fuel into the fuel cell automobile, and the fuel cell automobile technology is a high-efficiency zero-emission clean automobile technology which takes hydrogen as fuel and converts the hydrogen into electric energy through the fuel cell to be used as a power source; when the station of hydrogenation supplies hydrogen through the outside, the long tube trailer utilizes the hydrogen of unloading in the stake with the trailer to unload gas, because the hydrogen pressure in the trailer is not enough, often needs compress hydrogen, and the station of hydrogenation on the current market is from unloading to the in-process pipeline of compression possibly have impurity gas, has the potential safety hazard, is not conform to the security requirement.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model aims to provide a compressible hydrogen unload gas system not only can compress hydrogen, can also utilize nitrogen gas to sweep, improves the security and the reliability of system.

To achieve the purpose, the utility model adopts the following technical proposal:

a compressible hydrogen gas discharging system comprises a hydrogen transport vehicle, a gas discharging hose, a hydrogen gas main pipeline, a filter, an emergency stop device, a compressor, a hydrogen gas input pipe and a hydrogen gas output pipe; the output end of the gas discharge hose is communicated with the hydrogen main pipeline; a first hydrogen valve and the filter are arranged on the hydrogen main pipeline; the filter is arranged at the output end of the first hydrogen valve; the emergency stop device is arranged on the hydrogen main pipeline and is positioned at the output end of the filter; the input end of the hydrogen input pipe is communicated to the output end of the hydrogen main pipeline, and the output end of the hydrogen input pipe is communicated to the hydrogen input end of the compressor; the input end of the hydrogen output pipe is communicated to the hydrogen output end of the compressor; the hydrogen input pipe is provided with a hydrogen input ball valve and a hydrogen input check valve.

Preferably, the device also comprises a nitrogen input pipe; the input end of the nitrogen input pipe is a nitrogen input port; the output end of the nitrogen input pipe is communicated to the nitrogen input end of the compressor, and the nitrogen input pipe is provided with a nitrogen input valve.

Preferably, the device also comprises a diffusing output pipe; the input end of the diffusion output pipe is communicated to the diffusion output end of the compressor, the output end of the diffusion output pipe is a diffusion port, and the diffusion output pipe is provided with a diffusion valve.

Preferably, the device also comprises a nitrogen gas release pipe, one end of the nitrogen gas release pipe is communicated with the nitrogen gas input pipe, the output end of the nitrogen gas release pipe is communicated with the release output pipe, and the nitrogen gas release pipe is provided with a nitrogen gas release valve.

Preferably, two compressors are provided.

Preferably, the first hydrogen valve, the nitrogen input valve, the nitrogen release valve and the blow-off valve are all ball valves.

The utility model has the advantages that:

the utility model provides a compressible hydrogen unload gas system according to the above-mentioned content, compress hydrogen through the compressor, increase the pressure of hydrogen, improve the work efficiency of hydrogenation station; meanwhile, nitrogen can be introduced into the system to purge the whole system, so that the safety and reliability of the system are improved.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a partial schematic view of the present invention.

Wherein: the system comprises a hydrogen transport vehicle 21, an air discharge hose 22, a hydrogen main pipe 23, a first hydrogen valve 231, a filter 24, an emergency stop device 25, a compressor 31, a hydrogen input end 311, a hydrogen output end 312, a nitrogen input end 313, a diffusion output end 314, a hydrogen input pipe 32, a hydrogen input ball valve 321, a hydrogen input check valve 322, a hydrogen output pipe 33, a nitrogen input pipe 34, a nitrogen input valve 341, a nitrogen diffusion pipe 342, a nitrogen gas release valve 343, a nitrogen input port 344, a diffusion output pipe 35, a diffusion valve 351 and a diffusion port 352.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1-2, the compressible hydrogen gas discharging system comprises a hydrogen transporting vehicle 21, a gas discharging hose 22, a hydrogen main pipe 23, a filter 24, an emergency stop device 25, a compressor 31, a hydrogen gas input pipe 32 and a hydrogen gas output pipe 33; the output end of the air discharge hose 22 is communicated with the hydrogen main pipeline 23; the hydrogen main pipe 23 is provided with a first hydrogen valve 231 and the filter 24; the filter 24 is disposed at the output end of the first hydrogen valve 231; the emergency stop device 25 is arranged on the hydrogen main pipeline 23, and the emergency stop device 25 is positioned at the output end of the filter 24; the input end of the hydrogen input pipe 32 is communicated to the output end of the hydrogen main pipe 23, and the output end of the hydrogen input pipe 32 is communicated to the hydrogen input end 311 of the compressor 31; the input end of the hydrogen output pipe 33 is communicated to the hydrogen output end 312 of the compressor 31; the hydrogen input pipe 32 is provided with a hydrogen input ball valve 321 and a hydrogen input check valve 322.

Specifically, when in use, the input end of the gas discharge hose 22 is connected to a hydrogen storage tank of the hydrogen transport vehicle 21, hydrogen in the hydrogen storage tank is output into the hydrogen main pipe 23 through the gas discharge hose 22, and the first hydrogen valve 231 is used for controlling the opening and closing of the hydrogen main pipe 23;

under normal conditions, when the hydrogen in the hydrogen storage tank needs to be unloaded, the first hydrogen valve 231 is opened, so that the communication of the hydrogen main pipeline 23 is realized; otherwise, the first hydrogen valve 231 is closed, so as to close the main hydrogen pipe 23.

When the hydrogen in the hydrogen storage tank is unloaded and the hydrogen passes through the filter 24, the filter 24 can filter the hydrogen unloaded from the hydrogen transport vehicle 21, so that the purity of the hydrogen is ensured; when the delivery of hydrogen needs to be stopped in an emergency, the main hydrogen pipeline 23 can be closed through the emergency stop device 25, so that the circulation of hydrogen is prevented, the emergency stop effect is achieved, and the safety and the reliability of the gas discharging pile are improved.

In addition, the compressor 31 is an existing compressor, and a hydrogen input end 311 of the compressor 31 is communicated with the hydrogen input pipe 32 and communicated with the hydrogen discharge system 2 through the hydrogen input pipe 32; the hydrogen input ball valve 321 is opened, hydrogen is input into the compressor 31 through the hydrogen main pipe 23, and the hydrogen input check valve 322 can prevent the hydrogen from flowing back to the hydrogen unloading system 2; the compressor 31 compresses hydrogen to increase the pressure of hydrogen, and then the hydrogen is output from the hydrogen output end 312 to the hydrogen output pipe 32 and is conveyed to the hydrogenation system 5 to hydrogenate the hydrogenation vehicle, so that the compressed hydrogen has higher pressure, and the hydrogenation efficiency of the hydrogenation station can be improved.

Further, a nitrogen gas input pipe 34 is also included; the input end of the nitrogen input pipe 34 is a nitrogen input port 344; the output end of the nitrogen input pipe 34 is communicated to the nitrogen input end 313 of the compressor 31, and the nitrogen input pipe 34 is provided with a nitrogen input valve 341.

Specifically, the nitrogen input valve 341 is opened, and nitrogen enters the nitrogen input pipe 34 through the nitrogen input port 344 and is input into the compressor 31 from the nitrogen input port 313; when the compressor 31 has impurity gas, nitrogen can be introduced into the compressor 31 through the nitrogen input pipe 34, and the nitrogen gas release valve 343 is opened at the same time, so that the nitrogen can output the gas of the compressor 31 to the release output end 314, the gas is released through the release port 352, and then the hydrogen input ball valve 321 of the hydrogen input pipe 32 is opened, and at this time, the input hydrogen cannot be mixed with the impurity gas, thereby reducing the risk of mixed explosion of the hydrogen and the impurity gas.

Further, a diffusing output pipe 35 is also included; the input end of the discharging output pipe 35 is communicated to the discharging output end 314 of the compressor 31, the output end of the discharging output pipe 35 is a discharging port 352, and the discharging output pipe 35 is provided with a discharging valve 351.

Specifically, when there is impurity gas such as air in the compressor 31, the bleeding valve 351 may be opened, the gas in the compressor 31 is delivered into the bleeding output pipe 35 from the bleeding output end 314, and the gas passes through the bleeding output pipe 35 and then is discharged through the bleeding port 352, so that the impurity gas in the compressor 31 is discharged, and the safety of the operation of the compressor 31 is ensured.

Further, the device also comprises a nitrogen gas release pipe 342, one end of which is communicated with the nitrogen gas input pipe 34, the output end of the nitrogen gas release pipe 342 is communicated with the release output pipe 35, and the nitrogen gas release pipe 342 is provided with a nitrogen gas release valve 343.

Specifically, the nitrogen gas release pipe 342 may release the gas in the nitrogen gas input pipe 34, and when the nitrogen gas input at the input end of the nitrogen gas input pipe 34 is impure, the nitrogen gas release pipe 343 may be opened to release the nitrogen gas, so as to prevent the impure nitrogen gas from entering the compressor 31.

Further, two compressors 31 are provided.

Specifically, one of them compressor 31 is the commonly used state, another compressor 31 is the stand-by state, and during normal conditions, launch the commonly used state compressor 31, when needs are with tolerance big, just can open for-purposely compressor 31 carries two with hydrogen compressor 31 utilizes two compressor 31 compresses the output to hydrogen, can improve the utility model discloses to hydrogen compression's efficiency.

Further, the first hydrogen valve 231, the nitrogen input valve 341, the nitrogen release valve 343, and the blow-off valve 351 are all ball valves.

Specifically, the ball valve has simple structure, small, light in weight, leakproofness characteristics such as easy maintenance in addition, uses widely in vacuum system, consequently the utility model provides a first hydrogen valve 231, nitrogen gas input valve 341, nitrogen gas bleed valve 343 and diffusion valve 351 use the ball valve to be preferred scheme.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A compressible hydrogen gas unloading system, characterized by: the system comprises a hydrogen transport vehicle, an air discharge hose, a hydrogen main pipeline, a filter, an emergency stop device, a compressor, a hydrogen input pipe and a hydrogen output pipe; the output end of the gas discharge hose is communicated with the hydrogen main pipeline; a first hydrogen valve and the filter are arranged on the hydrogen main pipeline; the filter is arranged at the output end of the first hydrogen valve; the emergency stop device is arranged on the hydrogen main pipeline and is positioned at the output end of the filter; the input end of the hydrogen input pipe is communicated to the output end of the hydrogen main pipeline, and the output end of the hydrogen input pipe is communicated to the hydrogen input end of the compressor; the input end of the hydrogen output pipe is communicated to the hydrogen output end of the compressor; the hydrogen input pipe is provided with a hydrogen input ball valve and a hydrogen input check valve.

2. A compressible hydrogen gas unloading system as claimed in claim 1, wherein: the device also comprises a nitrogen input pipe; the input end of the nitrogen input pipe is a nitrogen input port; the output end of the nitrogen input pipe is communicated to the nitrogen input end of the compressor, and the nitrogen input pipe is provided with a nitrogen input valve.

3. A compressible hydrogen gas unloading system as claimed in claim 2, wherein: also comprises a diffusing output pipe; the input end of the diffusion output pipe is communicated to the diffusion output end of the compressor, the output end of the diffusion output pipe is a diffusion port, and the diffusion output pipe is provided with a diffusion valve.

4. A compressible hydrogen gas unloading system as claimed in claim 3, wherein: the nitrogen input pipe is communicated with the nitrogen exhaust pipe, the output end of the nitrogen exhaust pipe is communicated with the exhaust output pipe, and the nitrogen exhaust pipe is provided with a nitrogen exhaust valve.

5. A compressible hydrogen gas unloading system as claimed in claim 1, wherein: the compressor is provided with two.

6. A compressible hydrogen gas unloading system as claimed in claim 1, wherein: the first hydrogen valve, the nitrogen input valve, the nitrogen release valve and the diffusion valve are all ball valves.