CN111765381A - Explosion-proof device of hydrogen gas dispenser - Google Patents

Explosion-proof device of hydrogen gas dispenser Download PDF

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Publication number
CN111765381A
CN111765381A CN202010645438.0A CN202010645438A CN111765381A CN 111765381 A CN111765381 A CN 111765381A CN 202010645438 A CN202010645438 A CN 202010645438A CN 111765381 A CN111765381 A CN 111765381A
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CN
China
Prior art keywords
pipe
gas
air
supply pipe
board
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Withdrawn
Application number
CN202010645438.0A
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Chinese (zh)
Inventor
柴永朋
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Individual
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Individual
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Priority to CN202010645438.0A priority Critical patent/CN111765381A/en
Publication of CN111765381A publication Critical patent/CN111765381A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/065—Arrangements for producing propulsion of gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
    • F16L41/12—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe using attaching means embracing the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/068—Distribution pipeline networks
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/34—Hydrogen distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention provides an explosion-proof device of a hydrogen dispenser, which comprises an air supply pipe arranged at the air outlet of the hydrogen dispenser, one end of the gas supply pipe, which is far away from the hydrogen gas dispenser, is fixedly connected with a first electromagnetic valve which is electrically connected with the output end of the PLC, the end of the first electromagnetic valve far away from the air supply pipe is provided with an air pipe connected with the air gun, the outer surface of the end of the air pipe close to the first electromagnetic valve is provided with a pipe joint vertically arranged with the air pipe, a second electromagnetic valve which is electrically connected with the output end of the PLC controller is arranged at one end of the pipe joint far away from the gas transmission pipe, compared with the prior art, the invention has the following beneficial effects that: the residual hydrogen in the gas transmission pipe can be conveniently pumped out, and the safety is improved.

Description

Explosion-proof device of hydrogen gas dispenser
Technical Field
The invention relates to an explosion-proof device of a hydrogen dispenser, belonging to the technical field of hydrogen dispensers.
Background
Hydrogen is an important clean energy, and hydrogen production commonly used in industrial processes includes hydrogen production by water electrolysis, hydrogen extraction by-product in chemical processes and the like. In the process of energy conversion and utilization, hydrogen generates the most abundant water resources on the earth, does not generate greenhouse gases such as carbon dioxide and the like, and is called as ideal ultimate energy. At present, for realizing explosion-proof, generally utilize hydrogen alarm to detect hydrogen content in the surrounding environment, when hydrogen reached the warning lower limit, the PLC controller control adds the mechanism of qi solenoid valve and closes, nevertheless the solenoid valve that admits air is closed the back, still exists hydrogen in the gas transmission pipe between solenoid valve and the gas gun of admitting air, has the potential safety hazard, and explosion-proof effect is not good.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an explosion-proof device of a hydrogen gas dispenser, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: an explosion-proof device of a hydrogen gas dispenser comprises an air supply pipe arranged at the air outlet of the hydrogen gas dispenser, wherein the air supply pipe is far away from a first electromagnetic valve which is electrically connected with the output end of a PLC controller and is fixedly connected with one end of the hydrogen gas dispenser, the air supply pipe is far away from the air supply pipe and is provided with an air supply pipe connected with an air gun, the outer surface of one end of the air supply pipe far away from the first electromagnetic valve is provided with a first one-way valve communicated with the direction of the air supply pipe, the outer surface of one end of the air supply pipe close to the first electromagnetic valve is provided with a pipe joint which is vertically arranged with the air supply pipe, one end of the pipe joint far away from the air supply pipe is provided with a second electromagnetic valve which is electrically connected with the output end of the PLC controller, one end of the second electromagnetic valve far away from the pipe joint is provided with a first connecting pipe, the air outlet end of the air pump is provided with a second connecting pipe, one end, far away from the air pump, of the second connecting pipe is fixedly connected with a second one-way valve, one end, far away from the second connecting pipe, of the second one-way valve is connected with an air storage tank, and the second one-way valve is conducted towards the direction of the air storage tank.
Further, the cover is equipped with first semicircle board and second semicircle board on the gas-supply pipe, first semicircle board passes through connecting bolt and second semicircle board fixed connection, first semicircle board surface fixed connection is used for storing the cylinder of moisture, the one end surface processing that first semicircle board was kept away from to the cylinder has the external screw thread, the one end threaded connection that cylinder processing has the external screw thread has the internal thread lid, the rubber circle of laminating mutually with the gas-supply pipe surface is installed to the one end that the cylinder is close to first semicircle board.
Furthermore, the both ends of first semicircle board all are fixed with first even board, first even board and first semicircle board are integrated into one piece structure, the both ends of second semicircle board all are fixed with even board with first link matched with second, the second is even board and second semicircle board and is integrated into one piece structure, first even board passes through connecting bolt and second even board fixed connection.
Further, a sealing ring is arranged in the internal thread cover and is arranged between the cylinder body and the internal thread cover.
Further, a water storage cover for storing water is fixed on the outer surface of the gas storage tank, an exhaust pipe communicated with the gas storage tank is installed at the intersection of the water storage cover and the gas storage tank, and one end, far away from the gas storage tank, of the exhaust pipe penetrates through the water storage cover and is connected with an exhaust valve.
Furthermore, a water delivery pipe is arranged right above the exhaust valve, a plurality of spray heads are installed at the position, located right above the exhaust valve, of the water delivery pipe, one end, far away from the spray heads, of the gas delivery pipe is connected with a water outlet end of the water pump, and a water inlet end of the water pump is connected with the water storage tank through a third connecting pipe.
Further, the outer surface of the gas storage tank is provided with a hollow pipe, one end, away from the gas storage tank, of the hollow pipe is fixed with a flange, and one side, away from the hollow pipe, of the flange is connected with a blind plate through a bolt.
The invention has the beneficial effects that: 1. after the first electromagnetic valve is closed, the PLC controller controls the second electromagnetic valve to be opened and the air pump to work, and then hydrogen in the gas transmission pipe between the first electromagnetic valve and the gas filling gun is pumped out by the air pump to be temporarily stored in the gas storage tank, so that residual hydrogen in the gas transmission pipe can be conveniently pumped out, and the safety is improved.
2. When the hydrogen in the gas transmission pipe is pumped out, the first one-way valve is opened under the action of the pressure difference, and then the outside air flows into the gas transmission pipe, so that the pressure balance in the gas transmission pipe is maintained, the gas transmission pipe is prevented from being damaged under the action of the pressure difference or the gas leakage at the connection part of the gas transmission pipe is prevented, and meanwhile, the second one-way valve is arranged between the air suction pump and the gas storage tank, so that the effect of preventing the gas in the gas storage tank from flowing back is achieved.
3. Utilize connecting bolt to fix first semicircle board and second semicircle board on the gas-supply pipe, and make the structure that first semicircle board and second semicircle board are constituteed be in the junction of gas-supply pipe, accomplish the mutual assembly of cylinder and gas-supply pipe, the rubber circle laminating of installation on the cylinder is on the gas-supply pipe surface simultaneously, when adding suitable amount of moisture to the cylinder is internal, the moisture overflows through the crossing department of cylinder and gas-supply pipe, after adding suitable amount of moisture in the cylinder, disappear after the static transfer that produces on the gas-supply pipe disappears to the moisture in the cylinder, play the effect of eliminating gas-supply pipe surface static, further improve the security.
4. The blast pipe of connecting on the discharge valve runs through the water storage cover of storing appropriate amount moisture, plays the effect of preventing discharge valve department and producing static, and when opening discharge valve, control water pump work simultaneously, water pump work is with in the water storage tank moisture pump sending to the water delivery pipe, and moisture sprays around discharge valve through the shower nozzle afterwards, prevents the condition that hydrogen deflagration appears in the exhaust process, improves the security.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of an explosion-proof device of a hydrogen dispenser according to the present invention;
FIG. 2 is an enlarged view of the position A in the explosion-proof device of the hydrogen dispenser according to the present invention;
FIG. 3 is an enlarged view of the position B in the explosion-proof device of the hydrogen dispenser according to the present invention;
FIG. 4 is a schematic view illustrating the assembly of the first semicircular plate, the second semicircular plate and the cylinder in the explosion-proof apparatus of the hydrogen dispenser according to the present invention;
in the figure: 1-air supply pipe, 2-first electromagnetic valve, 3-air pipe, 4-cylinder, 5-internal thread cover, 6-first semicircle plate, 7-first one-way valve, 8-pipe joint, 9-second electromagnetic valve, 10-first connecting pipe, 11-air pump, 12-second connecting pipe, 13-second one-way valve, 14-air storage tank, 15-hollow pipe, 16-blind plate, 17-exhaust valve, 18-water pipe, 19-water pump, 20-third connecting pipe, 21-water storage tank, 22-nozzle, 23-water storage cover, 24-exhaust pipe, 25-second semicircle plate, 26-first connecting plate, 27-second connecting plate, 28-rubber ring, 29-sealing ring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an explosion-proof equipment of hydrogen gas dispenser, is including installing the air supply pipe 1 in hydrogen gas dispenser gas outlet department, and the one end fixed connection and the first solenoid valve 2 of PLC controller output electric connection that hydrogen gas dispenser was kept away from to air supply pipe 1, and the air-supply pipe 3 that is connected with the air gun is installed to the one end that air supply pipe 1 was kept away from to first solenoid valve 2, and first solenoid valve 2 plays the effect of break-make between control air supply pipe 1 and the air-supply pipe 3.
The air pipe 3 keeps away from the first solenoid valve 2 one end surface mounting to the first check valve 7 that the air pipe 3 direction switched on, through installing first check valve 7 on air pipe 3, and then when utilizing aspiration pump 11 to extract the remaining hydrogen in the air pipe 3, outside air flows into in the air pipe 3 through first check valve 7 under the pressure differential effect, thereby maintain the pressure balance in the air pipe 3, prevent that air pipe 3 is impaired or its connection position leaks gas under the pressure differential effect.
The outer surface of one end of the gas pipe 3 close to the first electromagnetic valve 2 is provided with a pipe joint 8 which is vertically arranged, one end of the pipe joint 8 far away from the gas pipe 3 is provided with a second electromagnetic valve 9 which is electrically connected with the output end of the PLC, one end of the second electromagnetic valve 9 far away from the pipe joint 8 is provided with a first connecting pipe 10, and the second electromagnetic valve 9 plays a role in controlling the on-off between the pipe joint 8 and the first connecting pipe 10.
One end of the first connecting pipe 10 far away from the second electromagnetic valve 9 is connected with an air inlet end of an air pump 11 electrically connected with an output end of a PLC controller, a second connecting pipe 12 is installed at an air outlet end of the air pump 11, one end of the second connecting pipe 12 far away from the air pump 11 is fixedly connected with a second one-way valve 13, one end of the second one-way valve 13 far away from the second connecting pipe 12 is connected with an air storage tank 14, the second one-way valve 13 is communicated towards the air storage tank 14, the second one-way valve 13 is installed between the air pump 11 and the air storage tank 14 and plays a role of preventing gas backflow in the air storage tank 14, under the condition of hydrogen leakage, after the PLC controller controls the first electromagnetic valve 2 to be closed, the PLC controller controls the second electromagnetic valve 9 to be opened and the air pump 11 to work, and then hydrogen in the gas pipe 3 between the first electromagnetic valve 2 and the air gun is pumped by the air pump 11 to the air storage tank 14 for temporary, the safety is improved, when the hydrogen in the air delivery pipe 3 is pumped out, the first one-way valve 7 is opened under the action of the pressure difference, and then the external air flows into the air delivery pipe 3.
As an embodiment of the present invention: the cover is equipped with first semicircle board 6 and second semicircle board 25 on the gas-supply pipe 3, first semicircle board 6 passes through connecting bolt and second semicircle board 25 fixed connection, the cylinder 4 that 6 outer surface fixed connections of first semicircle board are used for storing moisture, utilize connecting bolt to fix first semicircle board 6 and second semicircle board 25 on gas-supply pipe 3, and make the structure of first semicircle board 6 and second semicircle board 25 constitution be in the junction of gas-supply pipe 3, accomplish the mutual assembly of cylinder 4 and gas-supply pipe 3.
The one end surface processing that first semicircle board 6 was kept away from to cylinder 4 has the external screw thread, the one end threaded connection that cylinder 4 processing has the external screw thread has internal thread lid 5, screw 5 internal thread lid one end that has the external screw thread on cylinder 4, the realization is to cylinder 4's shutoff, add appropriate amount moisture in the space that cylinder 4 and internal thread lid 5 formed, and then moisture and 3 surperficial direct contact of gas-supply pipe, disappear after in the static transmission to the moisture in the cylinder 4 that produce on the gas-supply pipe 3, play the effect of eliminating 3 surperficial static electricity of gas-supply pipe, further improve the security.
The cylinder 4 is close to the one end of first semicircle board 6 and installs the rubber circle 28 of laminating mutually with 3 surface facies of gas-supply pipe, and after first semicircle board 6 and 3 surface facies laminating of gas-supply pipe, the rubber circle 28 laminating of installation on the cylinder 4 was on 3 surfaces of gas-supply pipe, and then when adding suitable moisture in the cylinder 4, the water proof branch overflows through cylinder 4 and the crossing department of gas-supply pipe 3.
As an embodiment of the present invention: both ends of first semicircle board 6 all are fixed with first link plate 26, first link plate 26 is the integrated into one piece structure with first semicircle board 6, the both ends of second semicircle board 25 all are fixed with even board 27 of second with first link plate 26 matched with, even board 27 of second is the integrated into one piece structure with second semicircle board 25, first even board 26 passes through connecting bolt and even board 27 fixed connection of second, utilize connecting bolt to connect even board 26 of first link plate and second and even board 27, realize the fixed connection of first semicircle board 6 and second semicircle board 25, be convenient for install cylinder 4 in the suitable position department of gas-supply pipe 3 as required.
As an embodiment of the present invention: a sealing ring 29 is arranged in the internal thread cover 5, the sealing ring 29 is arranged between the cylinder body 4 and the internal thread cover 5, and the sealing ring 29 plays a role in preventing water leakage at the intersection of the internal thread cover 5 and the cylinder body 4.
As an embodiment of the present invention: a water storage cover 23 for storing moisture is fixed on the outer surface of the air storage tank 14, an exhaust pipe 24 communicated with the air storage tank 14 is installed at the intersection of the water storage cover 23 and the air storage tank 14, one end, far away from the air storage tank 14, of the exhaust pipe 24 penetrates through the water storage cover 23 and is connected with an exhaust valve 17, after the exhaust valve 17 is opened, gas in the air storage tank 14 is exhausted, the exhaust pipe 24 connected to the exhaust valve 17 penetrates through the water storage cover 23 for storing a proper amount of moisture, and the function of preventing static electricity from being generated at the.
As an embodiment of the present invention: be equipped with raceway 18 directly over discharge valve 17, a plurality of shower nozzle 22 is installed at the position that raceway 18 is in directly over discharge valve 17, 19 water outlet ends of water pump are connected to the one end that shower nozzle 22 was kept away from to gas-supply pipe 3, water pump 19 is intake the end and is passed through third connecting pipe 20 and connect water storage tank 21, when opening discharge valve 17, 19 work of control water pump, 19 work of water pump is with the moisture pumping in the water storage tank 21 to raceway 18 in, moisture sprays around discharge valve 17 through shower nozzle 22 afterwards, prevent the condition that hydrogen detonation appears in the exhaust process, and the safety is improved.
As an embodiment of the present invention: 14 surface mounting of gas holder has hollow tube 15, and the one end that gas holder 14 was kept away from to hollow tube 15 is fixed with the flange, and bolted connection blind plate 16 is passed through to one side that the flange deviates from hollow tube 15, detaches the blind plate 16 on the flange after, is connected hollow tube 15 on the hollow tube 14 and another gas holder 14, accomplishes the connection between two gas holders 14 to this analogizes, is convenient for enlarge the volume of keeping in the hydrogen container as required.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides an explosion-proof equipment of hydrogen gas dispenser, is including installing at gas supply pipe (1) of hydrogen gas dispenser gas outlet department, its characterized in that: one end fixed connection and the PLC controller output electric connection's of hydrogen gas dispenser first solenoid valve (2) are kept away from in air supply pipe (1), the one end that air supply pipe (1) was kept away from in first solenoid valve (2) is installed and is connected with the air gun air-supply pipe (3), the one end surface mounting that first solenoid valve (2) were kept away from in air-supply pipe (3) is to first check valve (7) that air-supply pipe (3) direction switched on, the one end surface mounting that air-supply pipe (3) are close to first solenoid valve (2) has pipe joint (8) of arranging rather than the perpendicular, pipe joint (8) are kept away from the one end of air-supply pipe (3) and are installed second solenoid valve (9) with PLC controller output electric connection, first connecting pipe (10) are installed to the one end that pipe joint (8) were kept away from in second solenoid valve (9), first connecting pipe (10) are kept away from the one end connection of second solenoid valve (9) and are bled The air inlet end of pump (11), the end installation second connecting pipe (12) of giving vent to anger of aspiration pump (11), one end fixed connection second check valve (13) of aspiration pump (11) are kept away from in second connecting pipe (12), gas holder (14) is connected to the one end that second connecting pipe (12) were kept away from in second check valve (13), second check valve (13) switch on to gas holder (14) direction.
2. The explosion-proof device of a hydrogen dispenser according to claim 1, wherein: the cover is equipped with first semicircle board (6) and second semicircle board (25) on gas-supply pipe (3), first semicircle board (6) are through connecting bolt and second semicircle board (25) fixed connection, first semicircle board (6) surface fixed connection is used for storing cylinder (4) of moisture, the one end surface processing of keeping away from first semicircle board (6) in cylinder (4) has the external screw thread, cylinder (4) processing has one end threaded connection of external screw thread to have interior screw cap (5), cylinder (4) are close to the one end of first semicircle board (6) and install rubber circle (28) of laminating mutually with gas-supply pipe (3) surface.
3. The explosion-proof device of a hydrogen dispenser according to claim 2, wherein: the both ends of first semicircle board (6) all are fixed with first even board (26), first even board (26) and first semicircle board (6) are the integrated into one piece structure, the both ends of second semicircle board (25) all are fixed with and link board (27) with first link board (26) matched with second, the second links board (27) and second semicircle board (25) and is the integrated into one piece structure, first even board (26) links board (27) fixed connection through connecting bolt and second.
4. The explosion-proof device of a hydrogen dispenser according to claim 2, wherein: a sealing ring (29) is arranged in the internal thread cover (5), and the sealing ring (29) is arranged between the cylinder body (4) and the internal thread cover (5).
5. The explosion-proof device of a hydrogen dispenser according to claim 1, wherein: the outer fixed surface of gas holder (14) has water storage cover (23) that is used for storing moisture, the crossing department of water storage cover (23) and gas holder (14) installs blast pipe (24) that are linked together with gas holder (14), the one end that gas holder (14) were kept away from in blast pipe (24) runs through water storage cover (23) and connects discharge valve (17).
6. The explosion-proof device of a hydrogen dispenser according to claim 5, wherein: be equipped with raceway (18) directly over discharge valve (17), a plurality of shower nozzle (22) are installed in the position that raceway (18) is in directly over discharge valve (17), water pump (19) play water end is connected to the one end that shower nozzle (22) were kept away from in gas-supply pipe (3), water pump (19) are intake and are held and connect water storage tank (21) through third connecting pipe (20).
7. The explosion-proof device of a hydrogen dispenser according to claim 1, wherein: the utility model discloses a gas storage tank, including gas holder (14), hollow tube (15) surface mounting has hollow tube (15), the one end that gas holder (14) were kept away from in hollow tube (15) is fixed with the flange, bolted connection blind plate (16) are passed through to one side that the flange deviates from hollow tube (15).
CN202010645438.0A 2020-07-07 2020-07-07 Explosion-proof device of hydrogen gas dispenser Withdrawn CN111765381A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113304716A (en) * 2021-07-07 2021-08-27 成都理工大学 Device for safely preparing polyaluminium chloride from aluminum ash

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113304716A (en) * 2021-07-07 2021-08-27 成都理工大学 Device for safely preparing polyaluminium chloride from aluminum ash

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Application publication date: 20201013