CN211203638U - Hydrogenation device - Google Patents
Hydrogenation device Download PDFInfo
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- CN211203638U CN211203638U CN201922244823.XU CN201922244823U CN211203638U CN 211203638 U CN211203638 U CN 211203638U CN 201922244823 U CN201922244823 U CN 201922244823U CN 211203638 U CN211203638 U CN 211203638U
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Abstract
The utility model particularly discloses a hydrogenation unit. This hydrogenation device includes the gas supply pipeline, the one end and the hydrogen air supply of gas supply pipeline are connected, the other end is connected with the filling rifle, hydrogenation device still includes along the filling direction of hydrogen set gradually in the hydrogen gas on the gas supply pipeline and advance air pressure gauge, the booster pump, export control valve and export pressure gauge, and buffer assembly, buffer assembly includes the buffer pipeline, the buffer tank, and all set up flowmeter and the first control valve on the buffer pipeline, the one end and the gas supply pipeline of buffer pipeline are connected between export control valve and booster pump, the other end and the buffer tank of buffer pipeline are connected. During hydrogenation, the buffer tank can store a part of hydrogen, and after the buffer tank is filled with the hydrogen, the buffer tank can play a role in buffering, so that the influence on the precision of each testing part at the downstream of the gas filling pipeline due to the pulse type change of the pressure at the outlet end of the booster pump can be reduced, and the testing accuracy of each testing instrument or sensor is ensured.
Description
Technical Field
The utility model relates to a hydrogen fuel car technical field especially relates to a hydrogenation device.
Background
With the development of hydrogen fuel cell vehicles, the requirements for detection and authentication of the driving range and the energy consumption of the fuel cell vehicle are increasingly highlighted. When a driving range and energy consumption of a fuel cell automobile are tested by a vehicle detection and certification mechanism, it is necessary to ensure that a fuel tank (i.e., a vehicle-mounted hydrogen cylinder) of the automobile is filled with hydrogen before a driving range test experiment, that is, the SOC (State of Charge, the full capacity of the hydrogen storage cylinder) reaches 100% ± 1%, and it is necessary to be able to accurately calculate the amount of hydrogen consumed by the automobile in the driving range test process. The SOC represents the degree of filling hydrogen into the gas cylinder, the value range of the SOC is 0-100% by common percentage, when the SOC is 0, no hydrogen is in the gas cylinder, and when the SOC is 100%, the gas cylinder is completely filled.
In the process of hydrogenation, hydrogen is pressurized by a booster pump to be filled into a hydrogen storage cylinder of a fuel cell vehicle, but in the working engineering of the booster pump, the pressure at the outlet end of the booster pump changes in a pulse mode, so that the test accuracy of each test instrument or sensor at the rear end of the booster pump on a hydrogenation pipeline is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydrogenation device to solve the hydrogenation device among the prior art, during booster pump work engineering, can lead to the change of booster pump exit end pressure pulsed, and then influence the problem of the accuracy of hydrogenation pipeline in each test instrument or the sensor test that are located the booster pump rear end.
The utility model provides a hydrogenation device, this hydrogenation device include the gas supply pipeline, the one end and the hydrogen air supply of gas supply pipeline are connected, and the other end is connected with the filling rifle, hydrogenation device still include along the filling direction of hydrogen set gradually in hydrogen on the gas supply pipeline advances air control valve, intake pressure gauge, booster pump, export control valve and export pressure gauge to and buffering subassembly, buffering subassembly include buffer line, buffer tank and all set up in flowmeter and first control valve on the buffer line, the one end of buffer line with the gas supply pipeline connect in export control valve with between the booster pump, the other end of buffer line with the buffer tank is connected.
As the preferred technical scheme of hydrogenation device, hydrogenation device still including all set up in intake pressure sensor and first export pressure sensor on the gas filling pipeline, intake pressure sensor is located intake pressure table with between the booster pump, first export pressure sensor set up with add the notes rifle with between the export control valve.
As a preferable technical solution of the hydrogenation apparatus, the hydrogenation apparatus further includes a second control valve disposed on the gas supply line, and the second control valve is located between the outlet control valve and a connection of the gas supply line and the buffer line.
As a preferable technical scheme of the hydrogenation device, the buffer assembly further comprises a second outlet pressure sensor arranged on the buffer pipeline.
As a preferred technical scheme of the hydrogenation device, the hydrogenation device further comprises a venting assembly, the venting assembly comprises a venting pipeline and a venting control valve arranged on the venting pipeline, the inlet end of the venting pipeline and the gas filling pipeline are connected between the outlet control valve and the filling gun, and the outlet end of the venting pipeline is communicated with the outside atmosphere.
As a preferred technical scheme of the hydrogenation device, the emptying assembly also comprises a third control valve which is connected with the emptying control valve in parallel on the emptying pipeline.
As a preferred technical scheme of the hydrogenation device, the emptying assembly also comprises a flame arrester which is arranged at the outlet end of the emptying pipeline.
As a preferable technical scheme of the hydrogenation device, the hydrogenation device further comprises a safety valve, the inlet end of the safety valve is communicated with the gas filling pipeline through a pipeline, and the outlet end of the safety valve is communicated with the outside atmosphere through a pipeline.
As a preferred technical solution of the hydrogenation apparatus, the hydrogenation apparatus further includes a nitrogen purging component, the nitrogen purging component includes a nitrogen replacement pipeline, and a nitrogen inlet control valve and a one-way valve that are disposed on the nitrogen replacement pipeline, one end of the nitrogen replacement pipeline is used for being connected with a nitrogen source, the other end of the nitrogen replacement pipeline and the gas filling pipeline are connected between the hydrogen inlet control valve and the gas filling pressure gauge, and the one-way valve is configured to allow only nitrogen in the nitrogen replacement pipeline to flow into the gas filling pipeline.
As a preferable technical solution of the hydrogenation apparatus, the hydrogenation apparatus further comprises a filter installed on the gas supply line, and the filter is located between the hydrogen gas inlet control valve and the inlet pressure gauge.
The utility model has the advantages that:
the utility model provides a hydrogenation device, this hydrogenation device include that gas filling pipeline, filling rifle, hydrogen advance the air control valve, advance air pressure gauge, booster pump, outlet control valve, export pressure gauge and buffering subassembly. One end of the gas filling pipeline is connected with a hydrogen gas source, the other end of the gas filling pipeline is connected with a filling gun, and along the filling direction of hydrogen gas, the hydrogen gas inlet control valve, the gas inlet pressure gauge and the booster pump are sequentially arranged on the gas filling pipeline. The buffer assembly comprises a buffer pipeline, a buffer tank, a flow meter and a first control valve which are arranged on the buffer pipeline, one end of the buffer pipeline is connected between the outlet control valve and the booster pump through a gas adding pipeline, and the other end of the buffer pipeline is connected with the buffer tank. During hydrogenation, the buffer tank can store a part of hydrogen, and after the buffer tank is filled with the hydrogen, the buffer tank can play a role in buffering, so that the influence on the precision of each testing part at the downstream of the gas filling pipeline due to the pulse type change of the pressure at the outlet end of the booster pump can be reduced, and the testing accuracy of each testing instrument or sensor is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a hydrogenation apparatus in an embodiment of the present invention.
In the figure:
1. a gas supply line;
2. filling a gun;
31. a hydrogen gas inlet control valve; 32. an air intake pressure gauge; 33. a booster pump; 34. an outlet control valve; 35. an outlet pressure gauge; 36. an intake air pressure sensor; 37. a first outlet pressure sensor; 38. a second control valve;
4. a buffer assembly; 41. a buffer pipeline; 42. a buffer tank; 43. a flow meter; 44. a first control valve; 45. a second outlet pressure sensor;
5. emptying the assembly; 51. emptying the pipeline; 52. an emptying control valve; 53. a third control valve; 54. a flame arrestor;
6. a safety valve;
7. a nitrogen purge component; 71. a nitrogen replacement pipeline; 72. a nitrogen gas inlet control valve; 73. a one-way valve;
8. and (3) a filter.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Fig. 1 is a schematic structural diagram of a hydrogenation apparatus in an embodiment of the present invention. This example provides a hydrogenation apparatus, as shown in FIG. 1. The hydrogenation device comprises a gas adding pipeline 1, a filling gun 2, a hydrogen gas inlet control valve 31, a gas inlet pressure gauge 32, a booster pump 33, an outlet control valve 34, an outlet pressure gauge 35 and a buffer component 4. Wherein, one end of the gas filling pipeline 1 is connected with a hydrogen gas source, the other end is connected with the filling gun 2, and along the filling direction of hydrogen, a hydrogen gas inlet control valve 31, an inlet pressure gauge 32, a booster pump 33, an outlet control valve 34 and an outlet pressure gauge 35 are sequentially arranged on the gas filling pipeline 1. The buffer assembly 4 comprises a buffer pipeline 41, a buffer tank 42, and a flow meter 43 and a first control valve 44 both arranged on the buffer pipeline 41, wherein one end of the buffer pipeline 41 is connected between the outlet control valve 34 and the booster pump 33 with the gas filling pipeline 1, and the other end of the buffer pipeline 41 is connected with the buffer tank 42. When hydrogenation is needed, the filling gun 2 can be butted with a filling port on a hydrogen fuel cell vehicle so as to fill hydrogen into a hydrogen storage bottle on the hydrogen fuel cell vehicle. Specifically, the hydrogen gas inlet control valve 31, the first control valve 44 and the outlet control valve 34 may be opened, a part of the hydrogen gas supplied from the hydrogen gas source enters the hydrogen storage cylinder through the gas supply line 1 under the pressure increase of the pressure increase pump 33, and the other part of the hydrogen gas enters the buffer tank 42 through the buffer line 41, and the buffer tank 42 may store a part of the hydrogen gas, and after the hydrogen gas is filled, the buffer tank may play a role in buffering, and may reduce the influence of the pulse-like variation of the pressure at the outlet of the pressure increase pump 33 on the test accuracy of each test component downstream of the gas supply line 1.
In this embodiment, the hydrogen inlet control valve 31 and the outlet control valve 34 are both solenoid valves, and the hydrogen inlet control valve 31 and the outlet control valve 34 are both connected to the controller, so that the input end and the output end of the gas supply pipeline 1 can be automatically controlled. The first control valve 44 is a manual valve for facilitating active operation by an operator.
Optionally, the hydrogenation apparatus further comprises a gas inlet pressure sensor 36 and a first outlet pressure sensor 37 both disposed on the gas inlet line 1, the gas inlet pressure sensor 36 is located between the gas inlet pressure gauge 32 and the booster pump 33, and the first outlet pressure sensor 37 is disposed between the filling gun 2 and the outlet control valve 34. The inlet pressure sensor 36 and the first outlet pressure sensor 37 are both connected to the controller, and the controller can collect pressure values at the input end and the output end of the gas supply pipeline 1 through the inlet pressure sensor 36 and the first outlet pressure sensor 37 so as to store and analyze data.
Optionally, the hydrogenation apparatus further comprises a second control valve 38 disposed on the gas supply line 1, the second control valve 38 being located between the outlet control valve 34 and the connection of the gas supply line 1 and the buffer line 41. In this embodiment, the second control valve 38 is preferably a manual valve, which facilitates the active operation of the operator, and facilitates the guarantee of the safety of the hydrogenation apparatus.
Optionally, the buffer assembly 4 further comprises a second outlet pressure sensor 45 disposed on the buffer line 41. A second outlet pressure sensor 45 is connected to the controller and is operable to collect the pressure at the output of the buffer tank 42.
Optionally, the hydrogenation apparatus further comprises a venting assembly 5, the venting assembly 5 comprises a venting pipeline 51 and a venting control valve 52 arranged on the venting pipeline 51, an inlet end of the venting pipeline 51 and the gas filling pipeline 1 are connected between the outlet control valve 34 and the filling gun 2, and an outlet end of the venting pipeline 51 is communicated with the outside atmosphere. The emptying assembly 5 can play a role in installation protection and can also be used for releasing the pressure of hydrogen in the hydrogen storage bottle. The emptying control valve 52 is an electromagnetic valve, and is connected with the controller, so that the emptying function of the hydrogenation device can be automatically controlled.
Optionally, the flare assembly 5 also includes a third control valve 53 connected in parallel with the flare control valve 52 on the flare line 51. In this embodiment, the third control valve 53 is a manual valve, and redundant protection can be provided by the third control valve 53 and the purge control valve 52, so as to prevent the purge control valve 52 from failing to cause a purge function to fail.
Optionally, the flare assembly 5 further comprises a flame arrestor 54 disposed at the outlet end of the flare line 51. Flame arrestor 54 may provide safety protection.
Optionally, the hydrogenation device further comprises a safety valve 6, an inlet end of the safety valve 6 is communicated with the gas adding pipeline 1 through a pipeline, and an outlet end of the safety valve 6 is communicated with the outside atmosphere through a pipeline. When the air pressure in the air charging pipeline 1 exceeds the threshold value, the safety valve 6 is opened, the air charging pipeline 1 is communicated with the outside atmosphere at the moment, when the air pressure in the air charging pipeline 1 does not exceed the threshold value, the safety valve 6 is closed, and the safety valve 6 can be used for preventing the air pressure in the air charging pipeline 1 from being too high. Optionally, the safety valve 6 is also in communication with the outside atmosphere via a flame arrester 54.
Optionally, the hydrogenation apparatus further comprises a nitrogen purging assembly 7, the nitrogen purging assembly 7 comprises a nitrogen replacement pipeline 71, and a nitrogen gas inlet control valve 72 and a check valve 73 which are arranged on the nitrogen replacement pipeline 71, one end of the nitrogen replacement pipeline 71 is used for connecting with a nitrogen gas source, the other end of the nitrogen replacement pipeline 71 and the gas filling pipeline 1 are connected between the hydrogen gas inlet control valve 31 and the gas filling pressure gauge 32, and the check valve 73 is configured to allow only nitrogen gas in the nitrogen replacement pipeline 71 to flow into the gas filling pipeline 1. The gas in the gas supply line 1 can be replaced by charging the gas supply line 1 with nitrogen gas. Before verification, residual air in the gas adding pipeline 1 can be removed by adding nitrogen into the gas adding pipeline 1, so that safety accidents caused by oxygen mixed in the hydrogenation process are prevented.
Optionally, the hydrogenation apparatus further comprises a filter 8 mounted on the gas supply line 1, and the filter 8 is located between the hydrogen gas inlet control valve 31 and the inlet pressure gauge 32.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A hydrogenation device comprises an air adding pipeline (1), one end of the air adding pipeline (1) is connected with a hydrogen gas source, the other end of the air adding pipeline (1) is connected with a filling gun (2), it is characterized in that the hydrogenation device also comprises a hydrogen gas inlet control valve (31), an inlet pressure gauge (32), a booster pump (33), an outlet control valve (34) and an outlet pressure gauge (35) which are arranged on the gas filling pipeline (1) in sequence along the filling direction of hydrogen gas, and a buffer assembly (4), wherein the buffer assembly (4) comprises a buffer pipeline (41), a buffer tank (42), a flow meter (43) and a first control valve (44) which are arranged on the buffer pipeline (41), one end of the buffer pipeline (41) and the gas adding pipeline (1) are connected between the outlet control valve (34) and the booster pump (33), the other end of the buffer pipeline (41) is connected with the buffer tank (42).
2. The hydrogenation apparatus according to claim 1, further comprising a feed pressure sensor (36) and a first outlet pressure sensor (37) both provided on the feed line (1), the feed pressure sensor (36) being located between the feed pressure gauge (32) and the booster pump (33), the first outlet pressure sensor (37) being provided between the filling gun (2) and the outlet control valve (34).
3. Hydrogenation unit according to claim 1, characterized in that it further comprises a second control valve (38) arranged on the gas supply line (1), which second control valve (38) is located between the outlet control valve (34) and the connection of the gas supply line (1) and the buffer line (41).
4. The hydrogenation apparatus according to claim 1, wherein the buffer assembly (4) further comprises a second outlet pressure sensor (45) disposed on the buffer line (41).
5. The hydrogenation device according to claim 1, further comprising a vent assembly (5), wherein the vent assembly (5) comprises a vent pipeline (51) and a vent control valve (52) arranged on the vent pipeline (51), an inlet end of the vent pipeline (51) and the gas filling pipeline (1) are connected between the outlet control valve (34) and the filling gun (2), and an outlet end of the vent pipeline (51) is communicated with the outside atmosphere.
6. The hydrogenation apparatus according to claim 5, wherein the vent assembly (5) further comprises a third control valve (53) connected in parallel with the vent control valve (52) on the vent line (51).
7. The hydrogenation apparatus according to claim 5, wherein the flare assembly (5) further comprises a flame arrester (54) disposed at an outlet end of the flare line (51).
8. The hydrogenation apparatus according to claim 1, further comprising a safety valve (6), wherein an inlet end of the safety valve (6) is in communication with the gas supply line (1) through a pipeline, and an outlet end of the safety valve (6) is in communication with the outside atmosphere through a pipeline.
9. The hydrogenation apparatus according to claim 1, further comprising a nitrogen purge assembly (7), wherein the nitrogen purge assembly (7) comprises a nitrogen replacement line (71), and a nitrogen gas inlet control valve (72) and a check valve (73) which are arranged on the nitrogen replacement line (71), one end of the nitrogen replacement line (71) is used for connecting with a nitrogen gas source, the other end of the nitrogen replacement line (71) and the gas supply line (1) are connected between the hydrogen gas inlet control valve (31) and the gas supply pressure gauge (32), and the check valve (73) is configured to allow only nitrogen gas in the nitrogen replacement line (71) to flow into the gas supply line (1).
10. The hydrogenation apparatus according to claim 1, further comprising a filter (8) mounted on the gas supply line (1), the filter (8) being located between the hydrogen gas inlet control valve (31) and the inlet pressure gauge (32).
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CN201922244823.XU CN211203638U (en) | 2019-12-13 | 2019-12-13 | Hydrogenation device |
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CN201922244823.XU CN211203638U (en) | 2019-12-13 | 2019-12-13 | Hydrogenation device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112303484A (en) * | 2020-10-26 | 2021-02-02 | 安徽江淮汽车集团股份有限公司 | Movable hydrogen filling equipment with filtering system |
CN112849097A (en) * | 2021-04-23 | 2021-05-28 | 河南氢枫能源技术有限公司 | Hydrogenation system and blowing method |
CN113124312A (en) * | 2021-04-23 | 2021-07-16 | 内蒙古民族大学 | Unmanned hydrogen station system |
CN114935107A (en) * | 2022-06-15 | 2022-08-23 | 浙江浙能航天氢能技术有限公司 | Simple hydrogenation device |
-
2019
- 2019-12-13 CN CN201922244823.XU patent/CN211203638U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112303484A (en) * | 2020-10-26 | 2021-02-02 | 安徽江淮汽车集团股份有限公司 | Movable hydrogen filling equipment with filtering system |
CN112303484B (en) * | 2020-10-26 | 2021-08-24 | 安徽江淮汽车集团股份有限公司 | Movable hydrogen filling equipment with filtering system |
CN112849097A (en) * | 2021-04-23 | 2021-05-28 | 河南氢枫能源技术有限公司 | Hydrogenation system and blowing method |
CN113124312A (en) * | 2021-04-23 | 2021-07-16 | 内蒙古民族大学 | Unmanned hydrogen station system |
CN114935107A (en) * | 2022-06-15 | 2022-08-23 | 浙江浙能航天氢能技术有限公司 | Simple hydrogenation device |
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