CN211146071U - Gas discharging cabinet of hydrogenation station and double-interface gas discharging system thereof - Google Patents

Gas discharging cabinet of hydrogenation station and double-interface gas discharging system thereof Download PDF

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Publication number
CN211146071U
CN211146071U CN201921131405.3U CN201921131405U CN211146071U CN 211146071 U CN211146071 U CN 211146071U CN 201921131405 U CN201921131405 U CN 201921131405U CN 211146071 U CN211146071 U CN 211146071U
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China
Prior art keywords
control valve
head
connecting pipe
tail
pipe
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CN201921131405.3U
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Chinese (zh)
Inventor
宣锋
石祥
方沛军
赵佳伟
施惠
乐金雄
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Shanghai Hyfun Energy Technology Co Ltd
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Shanghai Hyfun Energy Technology 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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/45Hydrogen technologies in production processes

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Abstract

The utility model relates to a gas discharging cabinet of a hydrogenation station and a double-interface gas discharging system thereof, because the double-interface gas discharging system comprises two gas discharging pipelines of a first branch gas discharging pipe and a second branch gas discharging pipe, the first branch gas discharging pipe and the second branch gas discharging pipe can independently discharge hydrogen from a long-tube trailer, and the first branch gas discharging pipe and the second branch gas discharging pipe can also discharge hydrogen from the long-tube trailer simultaneously; the purging connecting pipe is connected with the purging and replacing device and is used for purging and replacing residual gas in the pipeline before the hydrogen is unloaded so as to prevent the hydrogen from being polluted. Therefore, the utility model discloses a dual interface unloads gas system can conveniently unload gas, and mode is various, and fail safe nature is high.

Description

Gas discharging cabinet of hydrogenation station and double-interface gas discharging system thereof
Technical Field
The utility model relates to a hydrogenation station unload gas cabinet and double-interface unload gas system thereof, especially relate to a unload gas cabinet and double-interface unload gas system thereof that is used for getting hydrogen from hydrogen long-tube trailer.
Background
At present, a common gas discharging cabinet of a hydrogenation station is a single-system flow composed of a clamping sleeve joint, a high-pressure hose, a breaking valve, a manual ball valve, a filter, a flowmeter, a root ball valve and the like. The system structure is complex, the failure rate is high, and the operation and maintenance are inconvenient; when the air discharge operation is carried out, the related keys are required to be operated on the operation panel, the manual valve is opened to discharge air, and the flowmeter is used for metering. However, in many cases, the metering is not required in the gas discharge area, but is based on the pressure of the gas source or adopts other metering modes; meanwhile, in order to save cost, a purging system is not replaced, so that the design is unreasonable, and the use, operation and maintenance are inconvenient. In addition, the common hydrogen gas discharging cabinet adopts a single system flow, so that the functions of simultaneously supplying gas by two gas sources and using the gas one by one cannot be met, and the system is single and cannot meet the actual use requirement; since the hydrogen pressure is higher than the nitrogen pressure, there is a risk of hydrogen cross-over into the nitrogen line if the check valve fails.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, the to-be-solved technical problem of the present invention is to provide an air discharging cabinet of a hydrogen station and a dual interface air discharging system thereof, which can conveniently discharge air.
In order to achieve the above object, the utility model provides a dual interface unloads gas system adopts following technical scheme: a dual-interface gas discharging system comprises a first branch gas discharging pipe, a second branch gas discharging pipe and a collecting pipe; the head end of the first branch gas discharging pipe and the head end of the second branch gas discharging pipe are respectively provided with a first gas inlet and a second gas inlet, the tail end of the first branch gas discharging pipe and the tail end of the second branch gas discharging pipe are both communicated with the head end of the collecting pipe, and the tail end of the collecting pipe is provided with a gas outlet;
a first head end control valve, a first one-way valve and a first tail end control valve are sequentially arranged from the head end to the tail end of the first branch gas discharging pipe; a second head end control valve, a second one-way valve and a second tail end control valve are sequentially arranged from the head end to the tail end of the second branch gas discharging pipe;
a head connecting pipe and a tail connecting pipe are connected between the first branch gas discharging pipe and the second branch gas discharging pipe; the first end of the head connecting pipe is connected between the first head end control valve and the first one-way valve, and the second end of the head connecting pipe is connected between the second head end control valve and the second one-way valve; the first end of the tail connecting pipe is connected between the first one-way valve and the first tail control valve, and the second end of the tail connecting pipe is connected between the second one-way valve and the second tail control valve;
the head connecting pipe is connected with a first head control valve and a second head control valve, the tail connecting pipe is connected with a first tail control valve and a second tail control valve, and an emptying connecting pipe is connected between the first tail control valve and the second tail control valve;
a transverse bridge connecting pipe is connected between the head connecting pipe and the tail connecting pipe, one end of the transverse bridge connecting pipe is connected between the first head control valve and the second head control valve, and the other end of the transverse bridge connecting pipe is connected between the first tail control valve and the second tail control valve; the device is characterized in that the transverse bridge connecting pipe is connected with a purging connecting pipe, a purging control valve is arranged on the purging connecting pipe, a transverse bridge control valve is arranged on the transverse bridge connecting pipe, and the purging connecting pipe is connected between the head connecting pipe and the transverse bridge control valve.
Preferably, a first pressure detection device is arranged on the first branch gas discharge pipe, and a second pressure detection device is arranged on the second branch gas discharge pipe.
Preferably, a first head check valve and a second head check valve are arranged on the head connecting pipe, the first head check valve and the second head check valve are located between the first head control valve and the second head control valve, one end of the transverse bridge connecting pipe is connected between the first head check valve and the second head check valve, and the other end of the transverse bridge connecting pipe is connected between the first tail control valve and the second tail control valve.
Preferably, the collecting pipe is sequentially provided with a filter, an emergency control valve and a temperature detection device from the head part to the tail part.
Preferably, the collecting pipe is connected with a safety connecting pipe, and the safety connecting pipe is connected with the emptying connecting pipe.
More preferably, the safety connecting pipe is provided with a safety valve and a service valve, and the safety valve is positioned between the service valve and an outlet of the safety connecting pipe.
Preferably, one end of the safety connection pipe is connected between the filter and the emergency control valve, and the other end is connected to the emptying connection pipe.
Preferably, the first air inlet and the second air inlet are both connected with a breaking valve.
And with the utility model discloses a double-interface unloads gas system correspondingly, the utility model also provides a gas cabinet unloads of hydrogenation station, including above-mentioned technical scheme or any preferred technical scheme thereof double-interface unload gas system.
As above, the utility model relates to a gas cabinet and two interfaces of unloading of hydrogenation station unload gas system has following beneficial effect: because the double-interface gas unloading system comprises two gas unloading pipelines of the first branch gas unloading pipe and the second branch gas unloading pipe, the first branch gas unloading pipe and the second branch gas unloading pipe can independently unload hydrogen from the long-tube trailer, and the first branch gas unloading pipe and the second branch gas unloading pipe can also unload hydrogen from the long-tube trailer simultaneously; the purging connecting pipe is connected with the purging and replacing device and is used for purging and replacing residual gas in the pipeline before the hydrogen is unloaded so as to prevent the hydrogen from being polluted. Therefore, the utility model discloses a dual interface unloads gas system can conveniently unload gas, and mode is various, and fail safe nature is high.
Drawings
Fig. 1 is a schematic view of a dual-interface air discharge system according to the present invention.
Description of the element reference numerals
1 first branch gas discharge pipe
2 second branch gas discharge pipe
3 manifold pipe
4 first air inlet
5 second air intake
6 air outlet
7 first head end control valve
8 first check valve
9 first end control valve
10 second head end control valve
11 second check valve
12 second end control valve
13 head connecting pipe
14 tail connecting pipe
15 first header control valve
16 second header control valve
17 first tail control valve
18 second tail control valve
19 emptying connecting pipe
20 horizontal bridge connecting pipe
21 purging connecting pipe
22 purge control valve
23 cross bridge control valve
24 first pressure detecting means
25 second pressure detecting means
26 first head check valve
27 second head check valve
28 Filter
29 emergency control valve
30 temperature detection device
31 safety connection pipe
32 safety valve
33 service valve
34 long tube trailer
35 connecting hose
36 purge replacement port
37 vent
38 first check control valve
39 second detection control valve
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
In this specification, the terms affixed before the names of the parts or structures of the air relief pipe, the air inlet, the check valve, the detection device, the control valve, the connection pipe and the like are only used for distinguishing different parts or structures, and are not limitations on the parts or structures, each control valve has a function of closing or plugging a pipeline, and the specific type can be selected according to actual needs.
As shown in fig. 1, the utility model provides a dual-interface gas discharging system, which comprises a first branch gas discharging pipe 1, a second branch gas discharging pipe 2 and a collecting pipe 3; the head end of the first branch gas discharging pipe 1 and the head end of the second branch gas discharging pipe 2 are respectively provided with a first gas inlet 4 and a second gas inlet 5, the tail end of the first branch gas discharging pipe 1 and the tail end of the second branch gas discharging pipe 2 are both communicated with the head end of the collecting pipe 3, and the tail end of the collecting pipe 3 is provided with a gas outlet 6;
a first head end control valve 7, a first one-way valve 8 and a first tail end control valve 9 are sequentially arranged from the head end to the tail end of the first branch gas discharging pipe 1; a second head end control valve 10, a second one-way valve 11 and a second tail end control valve 12 are sequentially arranged from the head end to the tail end of the second branch gas discharging pipe 2;
a head connecting pipe 13 and a tail connecting pipe 14 are connected between the first branch gas discharging pipe 1 and the second branch gas discharging pipe 2; a first end of the head connection pipe 13 is connected between the first head end control valve 7 and the first check valve 8, and a second end of the head connection pipe 13 is connected between the second head end control valve 10 and the second check valve 11; a first end of the tail connecting pipe 14 is connected between the first check valve 8 and the first tail control valve 9, and a second end of the tail connecting pipe 14 is connected between the second check valve 11 and the second tail control valve 12;
the head connecting pipe 13 is connected with a first head control valve 15 and a second head control valve 16, the tail connecting pipe 14 is connected with a first tail control valve 17 and a second tail control valve 18, and an emptying connecting pipe 19 is connected between the first tail control valve 17 and the second tail control valve 18;
a transverse bridge connecting pipe 20 is connected between the head connecting pipe 13 and the tail connecting pipe 14, one end of the transverse bridge connecting pipe 20 is connected between the first head control valve 15 and the second head control valve 16, and the other end of the transverse bridge connecting pipe 20 is connected between the first tail control valve 17 and the second tail control valve 18; the purging connecting pipe 21 is connected to the transverse bridge connecting pipe 20, the purging control valve 22 is arranged on the purging connecting pipe 21, the transverse bridge control valve 23 is arranged on the transverse bridge connecting pipe 20, and the purging connecting pipe 21 is connected between the head connecting pipe 13 and the transverse bridge control valve 23.
Because the double-interface gas unloading system comprises two gas unloading pipelines of the first branch gas unloading pipe 1 and the second branch gas unloading pipe 2, the first branch gas unloading pipe 1 and the second branch gas unloading pipe 2 can independently unload hydrogen from the long-tube trailer, and the first branch gas unloading pipe 1 and the second branch gas unloading pipe 2 can also unload hydrogen from the long-tube trailer simultaneously; the purge connection pipe 21 is connected to a purge replacement device for purging residual gas in the pipeline before unloading hydrogen so as to prevent the hydrogen from being polluted. Therefore, the utility model discloses a dual interface unloads gas system can conveniently unload gas, and mode is various, and fail safe nature is high.
During the gas discharging operation, in order to facilitate the detection of the gas pressure in the pipeline, the first branch gas discharging pipe 1 is provided with a first pressure detection device 24, the second branch gas discharging pipe 2 is provided with a second pressure detection device 25, the pressure in the gas supply system can be monitored in real time, the self-leakage detection and the remote monitoring control effect can be realized, a first detection control valve 38 can be arranged between the first pressure detection device 24 and the first branch gas discharging pipe 1, and a second detection control valve 39 is arranged between the second pressure detection device 25 and the second branch gas discharging pipe 2.
In the utility model discloses a two interfaces unload gas system, first check valve 8 makes gas can only flow to the tail end from the head end of first branch gas discharging pipe 1, and second check valve 11 makes gas can only flow to the tail end from the head end of second branch gas discharging pipe 2, and two way gas discharging branches are independent each other, do not interfere with each other; the collecting pipe 3 is provided with a filter 28, an emergency control valve 29 and a temperature detection device 30 in sequence from the head to the tail. The first branch off-gas pipe 1 and the second branch off-gas pipe 2 both feed gas to the collecting pipe 3 and are filtered through a filter 28 (basket filter functions to filter fine impurities and reduce pressure difference) and then flow out of the gas outlet 6. As shown in fig. 1, a safety connection pipe 31 is connected to the collecting pipe 3, the safety connection pipe 31 is connected to the vent connection pipe 19, one end of the safety connection pipe 31 is connected between the filter 28 and the emergency control valve 29, and the other end is connected to the vent connection pipe 19. A safety valve 32 (system overpressure protection) and a service valve 33 are arranged on the safety connecting pipe 31, and the safety valve 32 is positioned between the service valve 33 and the outlet of the safety connecting pipe 31. Be equipped with maintenance valve 33 between relief valve 32 and the manifold 3, maintenance valve 33 is normally opened, closes maintenance valve 33 and changes relief valve 32 when needing to change relief valve 32, and emergency control valve 29 and system control interlock have the emergency shutdown function, and temperature-detecting device 30 is arranged in the gas temperature of detection pipeline, thereby emergency control valve 29 and temperature-detecting device 30, system control cooperate and guarantee system's safe and stable operation.
As shown in fig. 1, a first head check valve 26 and a second head check valve 27 are disposed on the head connection pipe 13, the first head check valve 26 and the second head check valve 27 are located between the first head control valve 15 and the second head control valve 16, one end of the transverse bridge connection pipe 20 is connected between the first head check valve 26 and the second head check valve 27, and the other end of the transverse bridge connection pipe 20 is connected between the first tail control valve 17 and the second tail control valve 18. The first head check valve 26 allows gas to flow only from the purge connection tube 21 through the cross-bridge connection tube 20, the head connection tube 13 to the first branch gas take-off tube 1, but not from the first branch gas take-off tube 1 through the head connection tube 13 to the cross-bridge connection tube 20; similarly, the second head check valve 27 allows gas to flow only from the purge connection tube 21 through the cross-bridge connection tube 20, the head connection tube 13 to the second branch off gas tube 2, and not from the second branch off gas tube 2 through the head connection tube 13 to the cross-bridge connection tube 20.
And with the utility model discloses a double-interface unloads gas system correspondingly, the utility model also provides a gas cabinet unloads of hydrogenation station, including above-mentioned technical scheme or any preferred technical scheme thereof double-interface unload gas system.
The utility model discloses a two interfaces unload gas system adopts two tunnel pipelines of unloading, and every way unloads the gas pipeline and can unload gas independently, also can unload gas simultaneously, when unloading gas, through coupling hose 35 with the long-tube trailer with the utility model discloses a two interfaces unload first air inlet 4 or second air inlet 5 on the gas system and connect, all be connected with the breaking valve on first air inlet 4 and the second air inlet 5, can select the mode of unloading the operation according to actual need, have following two kinds of modes of unloading:
firstly, when only one hydrogen long-tube trailer needs to exchange and unload gas, for example, when the first branch gas unloading tube 1 is used for gas unloading operation, referring to fig. 1, a hydrogen long-tube trailer 34A is connected with a breaking valve (the breaking valve automatically breaks under a certain external force, and the two disconnected sections have self-sealing functions) connected with a first gas inlet 4 through a connecting hose 35, then pulse-type nitrogen purging is started, a gas supply hand valve on the hydrogen long-tube trailer 34A is closed, a first tail end control valve 9, a first tail control valve 17 and a transverse bridge control valve 23 are closed, a first head end control valve 7, a first head control valve 15, a purging control valve 22 and a first detection control valve 38 are opened, when a certain pressure purging gas enters a pipeline system from a purging replacement port 36 to be pressure balanced, the first head control valve 15 is closed, the first tail control valve 17 is opened, the purging is repeated for several times, residual gas in the pipeline is purged and discharged from the vent 37, and the purging is finished; then, hydrogen pulse replacement is started, at the moment, the purging control valve 22, the second head control valve 16 and the first tail control valve 17 are closed, the first head end control valve 7 and the first detection control valve 38 are opened, the gas supply hand valve of the hydrogen long-tube trailer is slightly opened, the second tail control valve 18 is opened after the pressure in the pipeline reaches a certain pressure, the replacement is repeated for a plurality of times, and the replacement is finished; after the replacement is finished, the purging replacement valve, the second head control valve 16 and the second tail control valve 18 are closed, the first head control valve 7, the first detection control valve 38 and the first tail control valve 9 are opened, and the gas in the long-tube trailer can flow into the collecting pipe 3 from the first branch gas discharging pipe 1 and flow out from the gas outlet 6, so that gas supply is started.
Referring to fig. 1, actually, two gas discharging pipelines of a first branch gas discharging pipe 1 and a second branch gas discharging pipe 2 are symmetrically arranged about a cross bridge connecting pipe 20, when the gas discharging operation is performed by using the one branch gas discharging pipe 2, referring to fig. 1, a hydrogen long-tube trailer 34B is connected with a breaking valve (a device in which the breaking valve is automatically broken under the action of a certain external force and both broken sections have self-sealing functions) connected with a second gas inlet 5 through a connecting hose 35, then pulse type nitrogen purging is started, a gas supplying hand valve on the hydrogen long-tube trailer 34B is closed, a second tail end control valve 12, a second tail end control valve 18 and a cross bridge control valve 23 are closed, a second head end control valve 10, a second head part control valve 16, a purging control valve 22 and a second detection control valve 39 are opened, when a certain pressure purging gas enters a pipeline system from a purging replacement port 36 to be pressure balanced, closing the second head control valve 16, opening the second tail control valve 18, purging repeatedly for several times, and discharging the residual gas in the pipeline from the vent 37, and ending the purging; then, hydrogen pulse replacement is started, at the moment, the purging control valve 22, the first head control valve 15 and the second tail control valve 18 are closed, the second head end control valve 10 and the second detection control valve 39 are opened, the gas supply hand valve of the hydrogen long-tube trailer is slightly opened, the first tail control valve 17 is opened after the pressure in the pipeline reaches a certain pressure, the replacement is repeated for a plurality of times, and the replacement is finished; after the replacement is finished, the purging replacement valve, the first head control valve 15 and the first tail control valve 17 are closed, the second head control valve 10, the second detection control valve 39 and the second tail control valve 12 are opened, and the gas in the long-tube trailer can flow into the collecting pipe 3 from the second branch gas discharging pipe 2 and flow out from the gas outlet 6, so that gas supply is started.
When two hydrogen long-tube trailers unload gas simultaneously, the hydrogen long-tube trailer 34A and the long-tube trailer 34B are respectively connected with the breaking valves on the first branch gas unloading pipe 1 and the second branch gas unloading pipe 2 through the connecting hose 35 (the breaking valves are automatically broken under the action of certain external force, and the two disconnected sections have self-sealing function), pulse type nitrogen purging is started, the gas supply hand valves on the hydrogen long-tube trailer 34A and the long-tube trailer 34B are closed, the hand valves are closed, the first tail end control valve 9, the second tail end control valve 12, the first tail end control valve 17, the second tail end control valve 18 and the cross bridge control valve 23, the first head end control valve 7, the second head end control valve 10, the first head control valve 15, the second head control valve 16, the purging control valve 22, the first detection control valve 38 and the second detection control valve 39 are opened, when certain pressure purging gas enters the pipeline system through the purging port to be pressure balanced, closing the hand valve first head control valve 15 and the second head control valve 16, opening the hand valve first tail control valve 17 and the second tail control valve 18, repeatedly purging for several times, and ending the purging; then, hydrogen pulse replacement is started, at this time, the purging control valve 22, the second head control valve 16, the first head control valve 15, the first tail control valve 17 and the second tail control valve 18 are closed, the first head end control valve 7, the second head end control valve 10, the first detection control valve 38 and the second detection control valve 39 are opened, the gas supply hand valve is slightly opened, the first tail control valve 17 and the second tail control valve 18 are opened after the pressure in the pipeline reaches a certain pressure, the replacement is repeated for several times, and the replacement is finished; after the replacement is finished, the purge control valve 22, the first and second head control valves 15 and 16, and the first and second tail control valves 17 and 18 are closed, the first and second head control valves 7 and 10, the first and second detection control valves 38 and 39, and the first and second tail control valves 9 and 12 are opened, and gas supply is started; the two gas discharge branches are provided with a first pressure detection device 24 and a second pressure detection device 25 (which can monitor the pressure in a gas supply system in real time, realize self-leakage detection and realize remote monitoring control), and are also provided with a first check valve 8 and a second check valve 11 (which prevent gas from mixing and flowing back), and the two branches are mutually independent and do not interfere with each other; the two gas discharge branches are collected and then flow into the collecting pipe 3 through the filter 28 (basket filter for filtering fine impurities and reducing pressure difference) and flow out from the gas outlet 6.
To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (9)

1. The utility model provides a dual interface unloads gas system which characterized in that: comprises a first branch gas discharging pipe, a second branch gas discharging pipe and a collecting pipe; the head end of the first branch gas discharging pipe and the head end of the second branch gas discharging pipe are respectively provided with a first gas inlet and a second gas inlet, the tail end of the first branch gas discharging pipe and the tail end of the second branch gas discharging pipe are both communicated with the head end of the collecting pipe, and the tail end of the collecting pipe is provided with a gas outlet;
a first head end control valve, a first one-way valve and a first tail end control valve are sequentially arranged from the head end to the tail end of the first branch gas discharging pipe; a second head end control valve, a second one-way valve and a second tail end control valve are sequentially arranged from the head end to the tail end of the second branch gas discharging pipe;
a head connecting pipe and a tail connecting pipe are connected between the first branch gas discharging pipe and the second branch gas discharging pipe; the first end of the head connecting pipe is connected between the first head end control valve and the first one-way valve, and the second end of the head connecting pipe is connected between the second head end control valve and the second one-way valve; the first end of the tail connecting pipe is connected between the first one-way valve and the first tail control valve, and the second end of the tail connecting pipe is connected between the second one-way valve and the second tail control valve;
the head connecting pipe is connected with a first head control valve and a second head control valve, the tail connecting pipe is connected with a first tail control valve and a second tail control valve, and an emptying connecting pipe is connected between the first tail control valve and the second tail control valve;
a transverse bridge connecting pipe is connected between the head connecting pipe and the tail connecting pipe, one end of the transverse bridge connecting pipe is connected between the first head control valve and the second head control valve, and the other end of the transverse bridge connecting pipe is connected between the first tail control valve and the second tail control valve; the device is characterized in that the transverse bridge connecting pipe is connected with a purging connecting pipe, a purging control valve is arranged on the purging connecting pipe, a transverse bridge control valve is arranged on the transverse bridge connecting pipe, and the purging connecting pipe is connected between the head connecting pipe and the transverse bridge control valve.
2. The dual interface air discharge system of claim 1, wherein: and a first pressure detection device is arranged on the first branch gas discharge pipe, and a second pressure detection device is arranged on the second branch gas discharge pipe.
3. The dual interface air discharge system of claim 1, wherein: the head connecting pipe is provided with a first head check valve and a second head check valve, the first head check valve and the second head check valve are located between the first head control valve and the second head control valve, one end of the transverse bridge connecting pipe is connected between the first head check valve and the second head check valve, and the other end of the transverse bridge connecting pipe is connected between the first tail control valve and the second tail control valve.
4. The dual interface air discharge system of claim 1, wherein: the collecting pipe is sequentially provided with a filter, an emergency control valve and a temperature detection device from the head part to the tail part.
5. The dual interface air discharge system of claim 1, wherein: the collecting pipe is connected with a safety connecting pipe, and the safety connecting pipe is connected with an emptying connecting pipe.
6. The dual interface air discharge system of claim 5, wherein: and the safety connecting pipe is provided with a safety valve and an overhaul valve, and the safety valve is positioned between the overhaul valve and the outlet of the safety connecting pipe.
7. The dual interface air discharge system of claim 5, wherein: one end of the safety connecting pipe is connected between the filter and the emergency control valve, and the other end of the safety connecting pipe is connected to the emptying connecting pipe.
8. The dual interface air discharge system of claim 1, wherein: and the first air inlet and the second air inlet are both connected with a breaking valve.
9. A gas discharge cabinet of a hydrogen station, characterized by comprising the double-port gas discharge system of any one of claims 1 to 8.
CN201921131405.3U 2019-07-18 2019-07-18 Gas discharging cabinet of hydrogenation station and double-interface gas discharging system thereof Active CN211146071U (en)

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CN201921131405.3U CN211146071U (en) 2019-07-18 2019-07-18 Gas discharging cabinet of hydrogenation station and double-interface gas discharging system thereof

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Application Number Priority Date Filing Date Title
CN201921131405.3U CN211146071U (en) 2019-07-18 2019-07-18 Gas discharging cabinet of hydrogenation station and double-interface gas discharging system thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113586945A (en) * 2021-08-10 2021-11-02 上海氢枫能源技术有限公司 Hydrogenation station is with automatic dress gas discharging device that fills
CN113586952A (en) * 2021-07-26 2021-11-02 上海氢枫能源技术有限公司 Automatic gas discharging system and method for hydrogenation station
CN113623537A (en) * 2021-08-13 2021-11-09 正星氢电科技郑州有限公司 Hydrogen discharging system and control method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113586952A (en) * 2021-07-26 2021-11-02 上海氢枫能源技术有限公司 Automatic gas discharging system and method for hydrogenation station
CN113586945A (en) * 2021-08-10 2021-11-02 上海氢枫能源技术有限公司 Hydrogenation station is with automatic dress gas discharging device that fills
CN113623537A (en) * 2021-08-13 2021-11-09 正星氢电科技郑州有限公司 Hydrogen discharging system and control method
CN113623537B (en) * 2021-08-13 2023-02-24 正星氢电科技郑州有限公司 Gas discharge control method for hydrogenation station

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