CN212178520U

CN212178520U - Fixed hydrogen storage bottle group with stable gas filling pressure

Info

Publication number: CN212178520U
Application number: CN202020909456.0U
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: 2020-12-18
Anticipated expiration: 2030-05-26

Abstract

The utility model provides a fixed hydrogen storage cylinder group with stable gas filling pressure, which comprises a main input pipe and a cylinder group system; the bottle group system comprises a hydrogen conveying pipe, a hydrogen output pipe and a hydrogen storage bottle, wherein one end of the hydrogen conveying pipe is communicated with the main input pipe, the other end of the hydrogen conveying pipe is provided with a needle valve, and the other end of the hydrogen conveying pipe is communicated with the hydrogen storage bottle; the hydrogen conveying pipe is provided with a first valve, a hydrogen storage check valve and a second valve, the hydrogen storage check valve is arranged between the first valve and the second valve, the hydrogen output pipe is communicated to the hydrogen conveying pipe, and the input end of the hydrogen output pipe is positioned between the hydrogen storage check valve and the first valve; the bottle group system is at least provided with three groups, and the main input pipe is respectively connected with the three groups of bottle group systems; the utility model discloses be equipped with the hydrogen storage bottle that three groups of hydrogen pressure are different at least, make and utilize the utility model discloses process pressure is stable when carrying out the hydrogenation, purpose that work efficiency is high.

Description

Fixed hydrogen storage bottle group with stable gas filling pressure

Technical Field

The utility model relates to a technical field of hydrogen storage, especially a fixed hydrogen storage bottle group of stable gassing pressure.

Background

The hydrogen energy industry provides hydrogen energy for fuel cells, the matched providing place is a hydrogen refueling station, the hydrogen refueling station is used for hydrogen refueling of fuel cell automobiles, 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 fuel cells as a power source; at present, hydrogen storage bottles are mostly used in a hydrogen adding station to store hydrogen, hydrogen used in some hydrogen adding stations in the market generally stores hydrogen with the same pressure, the pressure of the hydrogen in the hydrogen storage bottles is lower and lower in the hydrogenation process, the hydrogenation efficiency is slowed, the hydrogen is required to be added into the hydrogen storage bottles to improve the pressure of the hydrogen storage bottles to improve the hydrogenation efficiency, the specific implementation mode is troublesome, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model aims to provide a fixed hydrogen storage bottle group of air entrainment pressure stability is equipped with the hydrogen storage bottle that three hydrogen pressure of group are different at least for the purpose that hydrogenation process pressure stability, work efficiency are high.

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

a fixed hydrogen storage cylinder group with stable gas filling pressure comprises a main input pipe and a cylinder group system; the bottle group system comprises a hydrogen conveying pipe, a hydrogen output pipe and a hydrogen storage bottle, wherein one end of the hydrogen conveying pipe is communicated with the main input pipe, the other end of the hydrogen conveying pipe is provided with a needle valve, and the other end of the hydrogen conveying pipe is communicated with the hydrogen storage bottle; the hydrogen conveying pipe is provided with a first valve, a hydrogen storage check valve and a second valve, the hydrogen storage check valve is arranged between the first valve and the second valve, the hydrogen output pipe is communicated to the hydrogen conveying pipe, and the input end of the hydrogen output pipe is positioned between the hydrogen storage check valve and the first valve; the bottle group system is at least provided with three groups, and the main input pipe is respectively connected with the three groups of bottle group systems.

Preferably, the cylinder group system is provided with three groups, including a low-pressure cylinder group system, a medium-pressure cylinder group system and a high-pressure cylinder group system, wherein the low-pressure cylinder group system is at least provided with three low-pressure hydrogen storage cylinders; the medium-pressure cylinder group system is at least provided with two high-pressure hydrogen storage cylinders; the high-pressure bottle group system is at least provided with a high-pressure hydrogen storage bottle.

Preferably, the device further comprises a pressure relief system, wherein the pressure relief system comprises a first pressure relief pipe, a second hydrogen safety valve, a second pressure relief pipe and a second hydrogen pressure relief needle valve; the second hydrogen safety valve is arranged on the first pressure relief pipe, one end of the first pressure relief pipe is communicated to the hydrogen delivery pipe, and the other end of the first pressure relief pipe is a release port; one end of the second pressure relief pipe is communicated to the first pressure relief pipe, the other end of the second pressure relief pipe is communicated to the hydrogen conveying pipe, and the second hydrogen pressure relief needle valve is arranged on the second pressure relief pipe.

Preferably, the hydrogen conveying pipe is provided with a hydrogen storage pressure gauge.

The utility model has the advantages that:

the utility model provides a fixed hydrogen storage cylinder group of air entrainment pressure stability is equipped with three hydrogen pressure of group at least and is different the hydrogen storage cylinder, at the hydrogenation in-process, from pressure low the hydrogen storage cylinder is high to pressure the hydrogen storage cylinder is opened in proper order the needle valve of hydrogen storage cylinder makes the hydrogen pressure stability and the output efficiency height of output tube output.

Drawings

FIG. 1 is a schematic view of a bottle cluster system of the present invention;

FIG. 2 is a detailed schematic view of the bottle assembly system of the present invention;

fig. 3 is a schematic view of the overall connection of the present invention.

Wherein: the system comprises a main input pipe 41, a cylinder group system 42, a low-pressure cylinder group system 4201, a medium-pressure cylinder group system 4202, a high-pressure cylinder group system 4203, a hydrogen delivery pipe 421, a first valve 4211, a hydrogen storage check valve 4212, a second valve 4213, a hydrogen output pipe 422, a hydrogen storage cylinder 423, a needle valve 4231, a pressure relief system 424, a first pressure relief pipe 4241, a second hydrogen safety valve 4242, a second pressure relief pipe 4243, a second hydrogen pressure relief needle valve 4244, a pressure gauge for storing hydrogen 425 and a relief port 6.

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.

As shown in fig. 1-3, a fixed hydrogen storage cylinder set with stable gas filling pressure comprises a main input pipe 41 and a cylinder set system 42; the cylinder group system 42 comprises a hydrogen conveying pipe 421, a hydrogen output pipe 422 and a hydrogen storage cylinder 423, wherein one end of the hydrogen conveying pipe 421 is communicated with the main input pipe 41, the other end of the hydrogen conveying pipe 421 is provided with a needle valve 4231, and the other end of the hydrogen conveying pipe 421 is communicated with the hydrogen storage cylinder 423; the hydrogen pipe 421 is provided with a first valve 4211, a hydrogen storage check valve 4212 and a second valve 4213, the hydrogen storage check valve 4212 is arranged between the first valve 4211 and the second valve 4213, the hydrogen output pipe 422 is communicated to the hydrogen pipe 421, and the input end of the hydrogen output pipe 422 is positioned between the hydrogen storage check valve 4212 and the first valve 4211; the bottle group system 42 is provided with at least three groups, and the main input pipe 41 is respectively connected with the three groups of bottle group systems 42.

Specifically, when hydrogen needs to be filled into the hydrogen storage bottle 423, the first valve 4211, the second valve 4213 and the needle valve 4231 corresponding to the hydrogen storage bottle 423 are opened, and hydrogen is input from the input end of the main input pipe 41, passes through the hydrogen input pipe 421 and then is input into the hydrogen storage bottle 423.

When the hydrogen storage bottle 423 is required to provide hydrogen gas to the outside, the needle valve 4231 of the hydrogen storage bottle 423 is opened, the first valve 4211 is opened, the hydrogen gas flows out from the hydrogen storage bottle 423, the hydrogen pipe 421 of the hydrogen pipe 421 is provided with the hydrogen storage check valve 4212, the backflow of the hydrogen gas can be prevented, so that the hydrogen gas cannot pass through the hydrogen pipe 421, the hydrogen gas can be output from the hydrogen output pipe 422, at least three groups of the bottle group systems 42 are provided, and the three groups of the bottle group systems 42 store the hydrogen gas with different pressures, the hydrogen gas can be obtained from the bottle group systems 42 with different pressures according to requirements, the needle valve 4231 of the bottle group system 42 with lower pressure is generally opened first, the hydrogenation machine 51 obtains the hydrogen gas and injects the hydrogen gas into a vehicle, when the pressure of the hydrogen gas of the hydrogenation vehicle reaches the pressure of the hydrogen gas in the bottle group system 42 with lower pressure, the needle valve 4231 of the bottle group system 42 with lower pressure is closed, the needle valve 4231 of the cylinder group system 42 with higher pressure is opened, the hydrogenation system 5 injects hydrogen into the vehicle, and hydrogen is sequentially obtained from the hydrogen storage cylinders 423 with low pressure to high pressure, so that the hydrogen storage system can realize a stable pressure gas filling mode by hydrogenation.

Further, the cylinder group system 42 is provided with three groups, including a low pressure cylinder group system 4201, a medium pressure cylinder group system 4202 and a high pressure cylinder group system 4203, wherein the low pressure cylinder group system 4201 is provided with at least three hydrogen storage cylinders 423; the medium pressure cylinder group system 4202 is provided with at least two hydrogen storage cylinders 423; the bomb train system 4203 is provided with at least one of the hydrogen storage bottles 423.

Specifically, the ratio of the number of hydrogen storage bottles 243 of the low pressure battery system 4201, the medium pressure battery system 4202, and the high pressure battery system 4203 is 3: 2: 1, because in the hydrogenation process to the vehicle, the use amount of low pressure hydrogen storage bottle 423 is the most, consequently the utility model discloses set up three's quantity according to certain proportion, at three system's under the circumstances that hydrogen storage bottle 423 is full of, three system's hydrogen storage bottle 23 can reduce in step basically, at one of them system hydrogen storage bottle 423 runs out of under the circumstances, all the other two sets of hydrogen storage bottle 423 also runs out of step basically, then opens this moment total input pipe 41 is aerifyd three system's hydrogen storage bottle 423, effectively improves continuity, the unity of this bottle group system 42 use.

Further, the pressure relief system 424 is further included, and the pressure relief system 424 comprises a first pressure relief pipe 4241, a second hydrogen safety valve 4242, a second pressure relief pipe 4243 and a second hydrogen pressure relief needle valve 4244; the second hydrogen safety valve 4242 is arranged on the first pressure relief pipe 4241, one end of the first pressure relief pipe 4241 is communicated to the hydrogen delivery pipe 421, and the other end of the first pressure relief pipe 4241 is a bleeding port 6; one end of the second pressure relief pipe 4243 is communicated with the first pressure relief pipe 4241, the other end of the second pressure relief pipe 4243 is communicated with the hydrogen input pipe 421, and the second hydrogen pressure relief needle valve 4244 is arranged on the second pressure relief pipe 4243.

Specifically, the second hydrogen pressure relief needle valve 4244 is configured to control opening and closing of the second pressure relief pipe 4243, the second hydrogen safety valve 4242 is configured to control opening and closing of the first pressure relief pipe 4241, the second hydrogen safety valve 4242 is set to a fixed pressure value, and when the gas pressure in the hydrogen delivery pipe 421 reaches the fixed pressure value, the second hydrogen safety valve 4242 is opened to allow the first pressure relief pipe 4241 to be opened, so that hydrogen gas is delivered from the first pressure relief pipe 4241 to the release port 6; further, the second hydrogen pressure relief needle valve 4244 may be manually opened to conduct the second pressure relief pipe 4243, so that hydrogen gas is supplied from the second pressure relief pipe 4243 to the discharge port 6, thereby reducing and adjusting the gas pressure in the hydrogen supply pipe 421; in addition, when impurity gas exists in the hydrogen conveying pipe 421, the second hydrogen pressure relief needle valve 4244 can be opened to discharge the gas in the hydrogen conveying pipe 421, so that the safety of the main conveying pipe and the gas therein is protected, and hydrogen leakage caused by burst is prevented.

Further, the hydrogen pipe 421 is provided with a hydrogen storage pressure gauge 425.

Specifically, be equipped with on hydrogen pipe 421 store up hydrogen manometer 425, through store up hydrogen manometer 425 can be right the pressure of the gas in the main transport pipe detects, carries out effective control to hydrogen, improves the utility model discloses a security and reliability.

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 fixed hydrogen storage cylinder group with stable gas filling pressure is characterized in that: comprises a main input pipe and a bottle group system; the bottle group system comprises a hydrogen conveying pipe, a hydrogen output pipe and a hydrogen storage bottle, wherein one end of the hydrogen conveying pipe is communicated with the main input pipe, the other end of the hydrogen conveying pipe is provided with a needle valve, and the other end of the hydrogen conveying pipe is communicated with the hydrogen storage bottle; the hydrogen conveying pipe is provided with a first valve, a hydrogen storage check valve and a second valve, the hydrogen storage check valve is arranged between the first valve and the second valve, the hydrogen output pipe is communicated to the hydrogen conveying pipe, and the input end of the hydrogen output pipe is positioned between the hydrogen storage check valve and the first valve; the bottle group system is at least provided with three groups, and the main input pipe is respectively connected with the three groups of bottle group systems.

2. A fixed set of gas-filled pressure stabilized hydrogen storage cylinders according to claim 1, wherein: the bottle group system is provided with three groups, including a low-pressure bottle group system, a medium-pressure bottle group system and a high-pressure bottle group system, wherein the low-pressure bottle group system is at least provided with three low-pressure hydrogen storage bottles; the medium-pressure cylinder group system is at least provided with two high-pressure hydrogen storage cylinders; the high-pressure bottle group system is at least provided with a high-pressure hydrogen storage bottle.

3. A fixed set of gas-filled pressure stabilized hydrogen storage cylinders according to claim 1, wherein: the pressure relief system comprises a first pressure relief pipe, a second hydrogen safety valve, a second pressure relief pipe and a second hydrogen pressure relief needle valve; the second hydrogen safety valve is arranged on the first pressure relief pipe, one end of the first pressure relief pipe is communicated to the hydrogen delivery pipe, and the other end of the first pressure relief pipe is a release port; one end of the second pressure relief pipe is communicated to the first pressure relief pipe, the other end of the second pressure relief pipe is communicated to the hydrogen conveying pipe, and the second hydrogen pressure relief needle valve is arranged on the second pressure relief pipe.

4. A fixed set of gas-filled pressure stabilized hydrogen storage cylinders according to claim 1, wherein: the hydrogen conveying pipe is provided with a hydrogen storage pressure gauge.