CN213513171U - Hydrogenation machine and hydrogenation system - Google Patents

Hydrogenation machine and hydrogenation system Download PDF

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Publication number
CN213513171U
CN213513171U CN202021966833.0U CN202021966833U CN213513171U CN 213513171 U CN213513171 U CN 213513171U CN 202021966833 U CN202021966833 U CN 202021966833U CN 213513171 U CN213513171 U CN 213513171U
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Prior art keywords
hydrogenation
pipe
valve
diffusion
communicated
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CN202021966833.0U
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Inventor
李宇航
李乃武
陆寒
郝佳
燕泽英
王昕雨
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage

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Abstract

The utility model relates to a hydrogen warehousing and transportation technical field discloses a hydrogenation machine and hydrogenation system, and the hydrogenation machine includes: the hydrogenation device comprises a hydrogenation pipe, wherein the gas inlet end of the hydrogenation pipe is used for being communicated with a hydrogen storage tank of a hydrogenation machine, a gas inlet control valve, an outlet conversion valve and a hydrogenation gun head are sequentially arranged on the hydrogenation pipe, and the hydrogenation gun head is used for being communicated with a vehicle-mounted hydrogen storage bottle; one end of the first diffusion pipe is communicated with the outlet conversion valve, and the other end of the first diffusion pipe is communicated with an outside air or hydrogen recovery device; the outlet conversion valve is a three-way valve and is provided with a first conduction state and a second conduction state, the hydrogenation pipe is communicated with the vehicle-mounted hydrogen storage bottle in the first conduction state, and the hydrogenation pipe is communicated with the first diffusion pipe in the second conduction state. The utility model discloses a hydrogenation machine and hydrogenation system can in time diffuse hydrogen when hydrogenation intraductal pressure is too high or on-vehicle hydrogen storage bottle internal pressure is low excessively through setting up the first diffusion pipe parallelly connected with hydrogenation pipe, effectively avoids leaking of hydrogen and bursting of hydrogenation pipe, avoids producing the safety problem.

Description

Hydrogenation machine and hydrogenation system
Technical Field
The utility model relates to a hydrogen warehousing and transportation technical field especially relates to a hydrogenation machine and hydrogenation system.
Background
With the increasing shortage of energy, new energy automobiles marked by energy conservation and environmental protection are rapidly developed, and hydrogen automobiles using hydrogen as power are widely applied. The hydrogen energy automobile is an automobile taking hydrogen as an energy source, chemical energy generated by hydrogen reaction is converted into mechanical energy to push the automobile, and the discharged product of the hydrogen energy automobile is only water vapor, so that the problem of air pollution caused by the traditional gasoline automobile is effectively solved.
The hydrogen energy automobile is provided with a vehicle-mounted hydrogen storage bottle and needs to be periodically hydrogenated in a hydrogenation station. Most hydrogenation machines of a hydrogenation station in the prior art are simple in structure, and are only provided with an air inlet valve and a hydrogenation gun head. The hydrogenation machine is easy to cause hydrogen leakage under the working condition of poor pipeline sealing or inaccurate alignment with a hydrogenation port of a vehicle-mounted hydrogen storage bottle; the filling pipeline is easy to burst under the working condition of blockage.
SUMMERY OF THE UTILITY MODEL
Based on the above, an object of the present invention is to provide a hydrogenation machine, so as to solve the technical problems of hydrogen leakage and easy burst of pipelines in hydrogenation machines in the prior art;
another object of the utility model is to provide a hydrogenation system, it adopts above-mentioned hydrogenation machine, has higher security.
In order to achieve the purpose, the utility model adopts the following technical proposal:
provided is a hydrogenation machine, comprising:
the hydrogenation device comprises a hydrogenation pipe, a hydrogen storage tank, an outlet conversion valve and a hydrogenation gun head, wherein the air inlet end of the hydrogenation pipe is used for being communicated with the hydrogen storage tank of a hydrogenation system, the hydrogenation pipe is sequentially provided with an air inlet control valve, the outlet conversion valve and the hydrogenation gun head along the air inlet direction, and the hydrogenation gun head is used for being communicated with a vehicle-mounted hydrogen storage bottle;
one end of the first diffusion pipe is communicated with the outlet conversion valve, the other end of the first diffusion pipe is communicated with an outside air or hydrogen recovery device, and a first one-way valve is mounted on the first diffusion pipe;
the outlet conversion valve is a three-way valve and has a first conduction state and a second conduction state, the hydrogenation pipe is communicated with the vehicle-mounted hydrogen storage bottle in the first conduction state, and the hydrogenation pipe is communicated with the first diffusion pipe in the second conduction state.
In a preferred embodiment of the hydrogenation apparatus, the hydrogenation pipe is further provided with a plurality of pressure sensors, and at least one of the pressure sensors is provided on each of front and rear sides of the air intake control valve.
As a preferred scheme of the hydrogenation machine, the hydrogenation pipe comprises a first filling section, a filling hose and a second filling section which are sequentially connected along the air inlet direction, the air inlet control valve is installed on the first filling section, and the outlet switching valve and the hydrogenation gun head are installed on the second filling section.
As a preferred scheme of the hydrogenation machine, a first breaking valve is further installed on the hydrogenation pipe, and the first breaking valve is installed on the first filling section.
As a preferable scheme of the hydrogenation machine, the first diffusion pipe comprises a first diffusion section, a diffusion hose and a second diffusion section which are connected in sequence, and the first one-way valve is installed on the first diffusion section or the second diffusion section.
As a preferable scheme of the hydrogenation machine, a second breaking valve is further installed on the first diffusion pipe, and the second breaking valve is installed on the first diffusion section.
As a preferable scheme of the hydrogenation machine, the hydrogenation machine further comprises a second diffusion pipe, one end of the second diffusion pipe is communicated with the hydrogenation pipe between the air inlet control valve and the outlet switching valve, and the other end of the second diffusion pipe is communicated with the external atmosphere or a hydrogen recovery device.
As a preferable mode of the hydrogenation apparatus, one end of the second diffusion pipe is communicated with the first filling section between the air inlet control valve and the first breaking valve, and the other end is communicated with the outside atmosphere or a hydrogen recovery device.
As a preferred scheme of the hydrogenation machine, a diffusion control valve and a second one-way valve are sequentially arranged on the second diffusion pipe.
A hydrogenation system comprises a hydrogen storage tank and a hydrogenation machine according to any one of the above schemes, wherein the gas inlet end of a hydrogenation pipe of the hydrogenation machine is communicated with the hydrogen storage tank.
The utility model has the advantages that:
the utility model provides a hydrogenation machine is provided with the pipe of diffusing parallelly connected with the hydrogenation pipe, through export change-over valve intercommunication hydrogenation pipe and the pipe of diffusing, can in time diffuse hydrogen to atmosphere or hydrogen recovery unit when hydrogenation intraductal pressure is too high or on-vehicle hydrogen storage bottle internal pressure is low excessively, effectively avoids hydrogen leak and hydrogenation pipe burst, avoids producing the safety problem. The hydrogenation system provided by the utility model adopts the hydrogenation machine, and has higher safety.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a hydrogenation unit provided by an embodiment of the present invention.
The figures are labeled as follows:
100. a hydrogenation pipe; 101. a first filling section; 102. filling a hose; 103. a second filling section; 200. a first diffusing pipe; 201. a first diffusing section; 202. a blow-off hose; 203. a second diffusing section; 300. a second diffusing pipe; 400. an air inlet pipe; 1. an air intake control valve; 2. an outlet switching valve; 3. a hydrogenation gun head; 4. a first pressure sensor; 5. a second pressure sensor; 6. a first snap valve; 7. a first check valve; 8. a second snap valve; 9. a bleeding control valve; 10. a second one-way valve; 11. a hydrogenation port; 12. a third check valve; 13. vehicle-mounted hydrogen storage bottle.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, an embodiment of the present invention provides a hydrogen generator for filling hydrogen into an on-board hydrogen storage bottle 13 or other hydrogen storage devices of a hydrogen energy automobile. The hydrogenation machine comprises a hydrogenation pipe 100 and a first diffusion pipe 200, wherein the gas inlet end of the hydrogenation pipe 100 is communicated with a hydrogen storage tank, the gas outlet end of the hydrogenation pipe 100 is communicated with a vehicle-mounted hydrogen storage bottle 13, the first end of the first diffusion pipe 200 is communicated with the hydrogenation pipe 100, and the other end of the first diffusion pipe 200 is communicated with the external atmosphere or a hydrogen recovery device. An air inlet control valve 1, an outlet conversion valve 2 and a hydrogenation gun head 3 are sequentially arranged on the hydrogenation pipe 100 along the air inlet direction, wherein the outlet conversion valve 2 has a first conduction state and a second conduction state, when the outlet conversion valve 2 is in the first conduction state, the hydrogenation pipe 100 is communicated with an air inlet pipe 400 on the vehicle-mounted hydrogen storage bottle 13, and when the outlet conversion valve 2 is in the second conduction state, the hydrogenation pipe 100 is communicated with a first diffusion pipe 200. The first diffusion pipe 200 is provided with a first check valve 7 for preventing the diffused hydrogen gas from flowing backward.
The hydrogenation machine provided by the embodiment can timely diffuse hydrogen in the hydrogenation pipe 100 or lead the hydrogen to the hydrogen recovery device through the first diffusion pipe 200 when the hydrogenation pipe 100 leaks or the communication between the hydrogenation pipe 100 and the vehicle-mounted hydrogen storage bottle 13 is not smooth to cause burst, thereby effectively preventing dangerous conditions.
Specifically, the hydrogenation pipe 100 includes a first filling section 101, a filling hose 102, and a second filling section 103, which are connected in this order in the air intake direction. The first filling section 101 and the second filling section 103 are both hard pipes so as to be connected with the hydrogen storage tank and the vehicle-mounted hydrogen storage bottle 13 in a sealing manner, the air inlet control valve 1 is installed on the first filling section 101, the outlet conversion valve 2 and the hydrogenation gun head 3 are both installed on the second filling section 103, and the hydrogenation gun head 3 is installed at the tail end of the second filling section 103 in a sealing manner. The filling hose 102 is connected with the first filling section 101 and the second filling section 103, and the position of the hydrogenation gun head 3 can be flexibly adjusted, so that the hydrogenation gun head 3 can hydrogenate the vehicle-mounted hydrogen storage bottles 13 at different positions, and the convenience is improved. In order to increase the range of motion of the hydrogenation lance head 3, the length of the filling hose 102 is generally longer and greater than the length of the first filling section 101 and the second filling section 103. In the embodiment, the length of the filling hose 102 is generally set to be 1-3 m. Furthermore, the filling hose 102 is preferably made of a soft plastic material, which is chemically stable and can ensure the cleanliness of filling hydrogen gas.
The air inlet control valve 1 is a manual stop valve or an electric control stop valve and is used for controlling the on-off of the hydrogenation general passage. Preferably, the air intake control valve 1 is an electrically controlled shutoff valve. The outlet conversion valve 2 is provided with an air inlet and two air outlets, namely a first air outlet and a second air outlet, the first air outlet is communicated with the hydrogenation gun head 3, and the second air outlet is directly communicated with the first diffusion pipe 200. When the outlet switch valve 2 is in the first conduction state, the first outlet is opened, the second outlet is closed, and when the outlet switch valve 2 is in the second conduction state, the second outlet is opened, and the first outlet is closed. The hydrogenation gun head 3 is a specially-made hydrogenation connector and is used for being connected with a hydrogenation port 11 of a vehicle-mounted hydrogen storage bottle 13, one of the hydrogenation gun head 3 and the hydrogenation port 11 is a male head, the other one is a female head, and the two are fixedly sealed through insertion.
Further, the hydrogenation pipe 100 is provided with a plurality of pressure sensors, and at least one pressure sensor is provided on each of the front and rear sides of the intake control valve 1. In the present embodiment, two pressure sensors are provided, a first pressure sensor 4 and a second pressure sensor 5 provided on both the front and rear sides of the intake control valve 1, respectively. The first pressure sensor 4 is mounted on the first filling section 101 and the second pressure sensor 5 is mounted on the first filling section 101 or the second filling section 103. The first pressure sensor 4 is used for detecting the pressure of hydrogen in the hydrogen storage tank, the second pressure sensor 5 is used for detecting the pressure in the hydrogenation pipe 100, and when the hydrogenation pipe 100 is communicated with the vehicle-mounted hydrogen storage bottle 13, the pressure in the hydrogenation pipe 100 is equal to the pressure in the vehicle-mounted hydrogen storage bottle 13. The outlet switch valve 2 is switched between the first conduction state and the second conduction state in accordance with the detected pressure values of the first pressure sensor 4 and the second pressure sensor 5.
In this embodiment, the outlet conversion valve 2 and the hydrogenation gun head 3 are configured as an integrated hydrogenation gun head assembly, and the hydrogenation gun head 3 is directly fixed to the first air outlet of the outlet conversion valve 2 in a sealing manner. And the outlet switch valve 2 is a manual control valve, and the outlet switch valve 2 is manually controlled by a hydrogenation operator to switch between the first conduction state and the second conduction state. The operator of hydrogenation can decide the conduction state of the outlet switch valve 2 by visual observation of the display value of the pressure sensor or according to the reaction of the alarm device.
The hydrogenation pipe 100 of the hydrogenation apparatus provided in this embodiment is further provided with a first breaking valve 6, the first breaking valve 6 is mounted on the first filling section 101, and the first breaking valve 6 is located downstream of the air inlet control valve 1. The first breaking valve 6 is a stop valve, and when the filling hose 102 is broken due to improper operation of a hydrogenation worker or other external force on the hydrogenation pipe 100, the first breaking valve 6 can be closed in time due to pulling force, so that large-scale leakage of hydrogen is avoided.
On one side of the vehicle-mounted hydrogen storage bottle 13, the vehicle-mounted hydrogen storage bottle 13 is communicated with the hydrogenation pipe 100 through an air inlet pipe 400, and an air inlet of the air inlet pipe 400 is sealed and fixed with the hydrogenation port 11. The third check valve 12 is further installed on the intake pipe 400, and the third check valve 12 is used for ensuring the unidirectionality of the hydrogen flow direction and preventing the backflow of the injected hydrogen.
The first diffusion pipe 200 is used for timely diffusing when the hydrogen pressure in the hydrogenation pipe 100 is abnormal, and the first diffusion pipe 200 comprises a first diffusion section 201, a diffusion hose 202 and a second diffusion section 203 which are connected with each other. The first diffusing section 201 and the second diffusing section 203 are both hard pipes, and the first check valve 7 may be installed on the first diffusing section 201 or the second diffusing section 203. The diffusion hose 202 is connected between the first diffusion section 201 and the second diffusion section 203, and is used for adjusting the gas outlet direction of the diffused hydrogen and guiding the diffused hydrogen to a safety zone or a hydrogen recovery device. The material for manufacturing the diffusion hose 202 is preferably a flexible plastic pipe similar to the material of the filling hose 102.
Still install the second on the first diffusion pipe 200 and break valve 8, the second breaks valve 8 and installs on first diffusion section 201, and when hydrogenation staff misoperation or first diffusion pipe 200 received other external forces and leads to diffusing hose 202 to be broken, the second broke valve 8 can in time be closed in order to avoid producing danger.
The hydrogenation apparatus provided in this embodiment further includes a second diffusion pipe 300, one end of the second diffusion pipe 300 is connected to the hydrogenation pipe 100 between the air inlet control valve 1 and the first breaking valve 6, and the other end is connected to the outside atmosphere or the hydrogen recovery device. The second bleeding pipe 300 is provided with a bleeding control valve 9 and a second one-way valve 10, and the bleeding control valve 9 is a manual stop valve or an electric control stop valve and is used for controlling the on-off of the second bleeding pipe 300. Preferably, the bleeding control valve 9 is selected as an electrically controlled stop valve. The second check valve 10 is used to ensure unidirectionality of the discharged hydrogen gas and prevent reverse flow of the discharged hydrogen gas.
The second diffusion pipe 300 is a backup of the first diffusion pipe 200, and functions the same as the first diffusion pipe 200, for performing diffusion of hydrogen when a problem occurs in the first diffusion pipe 200. Alternatively, the hydrogen gas may be discharged by manually selecting the first discharge pipe 200 or the second discharge pipe 300.
The hydrogenation machine provided by the embodiment further comprises a controller, the controller is electrically connected with the first pressure sensor 4, the second pressure sensor 5, the air inlet control valve 1 and the bleeding control valve 9, and the controller controls the opening and closing of the bleeding pipeline according to signals of the first pressure sensor 4 and the second pressure sensor 5. In this embodiment, the controller may be a centralized or distributed controller, for example, the controller may be a single-chip microcomputer or may be composed of a plurality of distributed single-chip microcomputers, and the single-chip microcomputers may run control programs to control the opening and closing of the intake control valve 1 and the bleeding control valve 9. The principle and mode of action of the controller are prior art in this field and will not be described in detail herein.
The embodiment of the utility model provides a still provide a hydrogenation system, it includes hydrogen storage tank and above-mentioned hydrogenation machine, hydrogenation pipe 100 and hydrogen storage tank intercommunication of hydrogenation machine. The hydrogenation system adopts the hydrogenation machine, and has higher safety.
The working process of the hydrogenation machine and the hydrogenation system provided by the embodiment of the invention is described below with reference to the accompanying drawings:
judging the pressure in the vehicle-mounted hydrogen cylinder before hydrogenation: the controller controls the air inlet control valve 1 to be closed, the hydrogenation gun head 3 is manually connected with the hydrogenation port 11, and the outlet conversion valve 2 is screwed to enable the outlet conversion valve 2 to be in a first conduction state. At this time, the high-pressure hydrogen remaining in the hydrogenation tube 100 opens the third check valve 12 on the intake tube 400, the hydrogenation tube 100 is communicated with the vehicle-mounted hydrogen storage bottle 13, and the third check valve 12 is closed after the pressures in the hydrogenation tube 100 and the vehicle-mounted hydrogen storage bottle 13 are balanced. The second pressure sensor 5 detects the pressure value in the hydrogenation pipe 100 and transmits the pressure value to the sensor, and the sensor judges whether the gas pressure value is lower than the lowest allowable hydrogenation pressure or not, if the pressure value is lower than the lowest allowable hydrogenation pressure, the pressure of the system in the vehicle-mounted hydrogen storage bottle 13 is too low, and the system is not suitable for hydrogen filling. If the pressure value is equal to or greater than the lowest allowable hydrogenation pressure, the hydrogen filling can be carried out.
Pressure maintaining and leakage detection: keeping the air inlet control valve 1 closed, keeping the outlet conversion valve 2 in the first conduction state for a period of time, keeping the pressure for a period of time, detecting the gas pressure value in the hydrogenation pipe 100 again, judging the difference value of the pressure values of the previous time and the next time by the controller, if the difference value is smaller than a set value, determining that hydrogen leakage does not exist in the hydrogenation pipe 100, and if the difference value is larger than the set value, determining that hydrogen leakage exists in the hydrogenation pipe 100 and diffusion is needed.
Bleeding in case of leakage of the hydrogenation tube 100: the outlet conversion valve 2 is manually screwed to be converted from the first conduction state to the second conduction state, the hydrogenation pipe 100 is conducted with the first diffusion pipe 200, and hydrogen in the hydrogenation pipe 100 is diffused through the first diffusion pipe 200. Or, the controller controls the purge control valve 9 to open to communicate the hydrogenation pipe 100 with the second purge pipe 300, and the hydrogen is purged through the second purge pipe 300, while maintaining the conduction state of the outlet switch valve 2.
Hydrogenation in the normal case of the hydrogenation pipe 100: the controller controls the air inlet control valve 1 to be opened, keeps the outlet conversion valve 2 in a first conduction state, and hydrogenates the vehicle-mounted hydrogen storage bottle 13. The controller controls the hydrogenation rate according to the initial pressure of the vehicle-mounted hydrogen storage bottle 13, and after the hydrogenation is finished, the controller controls the air inlet control valve 1 to be closed.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A hydrogenation machine, comprising:
the hydrogenation device comprises a hydrogenation pipe (100), wherein the air inlet end of the hydrogenation pipe (100) is used for being communicated with a hydrogen storage tank of a hydrogenation system, an air inlet control valve (1), an outlet conversion valve (2) and a hydrogenation gun head (3) are sequentially arranged on the hydrogenation pipe (100) along the air inlet direction, and the hydrogenation gun head (3) is used for being communicated with a vehicle-mounted hydrogen storage bottle (13);
one end of the first diffusion pipe (200) is communicated with the outlet conversion valve (2), the other end of the first diffusion pipe (200) is communicated with an outside air or hydrogen recovery device, and a first check valve (7) is installed on the first diffusion pipe (200);
the outlet conversion valve (2) is a three-way valve and has a first conduction state and a second conduction state, the hydrogenation pipe (100) is communicated with the vehicle-mounted hydrogen storage bottle (13) in the first conduction state, and the hydrogenation pipe (100) is communicated with the first diffusion pipe (200) in the second conduction state.
2. The hydrogenation machine according to claim 1, wherein a plurality of pressure sensors are further installed on the hydrogenation pipe (100), and at least one of the pressure sensors is installed on each of the front and rear sides of the air intake control valve (1).
3. The hydrogenation machine according to claim 1, wherein the hydrogenation pipe (100) comprises a first filling section (101), a filling hose (102) and a second filling section (103) which are connected in sequence along the air inlet direction, the air inlet control valve (1) is mounted on the first filling section (101), and the outlet switching valve (2) and the hydrogenation gun head (3) are mounted on the second filling section (103).
4. The hydrogenation machine according to claim 3, wherein a first breaking valve (6) is further mounted on the hydrogenation pipe (100), and the first breaking valve (6) is mounted on the first filling section (101).
5. The hydrogenation machine according to claim 1, wherein the first diffusion pipe (200) comprises a first diffusion section (201), a diffusion hose (202) and a second diffusion section (203) which are connected in sequence, and the first check valve (7) is installed on the first diffusion section (201) or the second diffusion section (203).
6. The hydrogenation machine according to claim 5, wherein a second break valve (8) is further mounted on the first diffusion pipe (200), and the second break valve (8) is mounted on the first diffusion section (201).
7. The hydrogenation machine according to claim 4, further comprising a second diffusion pipe (300), wherein one end of the second diffusion pipe (300) is connected to the hydrogenation pipe (100) between the gas inlet control valve (1) and the outlet switching valve (2), and the other end is connected to the outside atmosphere or a hydrogen recovery device.
8. The hydrogenation machine according to claim 7, wherein one end of the second diffusion pipe (300) is connected to the first filling section (101) between the gas inlet control valve (1) and the first breaking valve (6), and the other end is connected to the outside atmosphere or a hydrogen recovery device.
9. The hydrogenation machine according to claim 7, wherein a diffusion control valve (9) and a second check valve (10) are sequentially installed on the second diffusion pipe (300).
10. A hydrogenation system, comprising a hydrogen storage tank and a hydrogenation machine according to any one of claims 1 to 9, wherein the gas inlet end of the hydrogenation pipe (100) of the hydrogenation machine is communicated with the hydrogen storage tank.
CN202021966833.0U 2020-09-09 2020-09-09 Hydrogenation machine and hydrogenation system Active CN213513171U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114738666A (en) * 2022-05-11 2022-07-12 四川天成氢洁能源技术有限公司 Hydrogenation gun

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114738666A (en) * 2022-05-11 2022-07-12 四川天成氢洁能源技术有限公司 Hydrogenation gun

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