CN219015544U - Hydrogen leakage monitoring device of hydrogen station - Google Patents

Hydrogen leakage monitoring device of hydrogen station Download PDF

Info

Publication number
CN219015544U
CN219015544U CN202222841330.6U CN202222841330U CN219015544U CN 219015544 U CN219015544 U CN 219015544U CN 202222841330 U CN202222841330 U CN 202222841330U CN 219015544 U CN219015544 U CN 219015544U
Authority
CN
China
Prior art keywords
hydrogen
pipeline
fixedly connected
monitoring device
sleeve cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222841330.6U
Other languages
Chinese (zh)
Inventor
许建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Dunyang Fluid Equipment Co ltd
Original Assignee
Dexian Gas Technology Shanghai Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dexian Gas Technology Shanghai Co ltd filed Critical Dexian Gas Technology Shanghai Co ltd
Priority to CN202222841330.6U priority Critical patent/CN219015544U/en
Application granted granted Critical
Publication of CN219015544U publication Critical patent/CN219015544U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

Landscapes

  • Examining Or Testing Airtightness (AREA)

Abstract

The utility model relates to the technical field of hydrogen leakage monitoring, in particular to a hydrogen leakage monitoring device of a hydrogen station, which comprises a conveying pipeline and a connecting pipeline, wherein the conveying pipeline is arranged in the hydrogen station and is used for conveying hydrogen, the connecting pipeline is arranged at the equipment end, a first connecting sleeve cover and a second connecting sleeve cover are respectively arranged at two sides of a connecting position of the conveying pipeline and the connecting pipeline, a protruding connecting piece is arranged at the central positions of the first connecting sleeve cover and the second connecting sleeve cover, a closed space is formed outside the conveying pipeline and the connecting pipeline, so that leaked hydrogen is not dissipated at the positions of the conveying pipeline and the connecting pipeline, the hydrogen concentration is monitored through a hydrogen sensor, and when the hydrogen concentration between the first connecting sleeve cover and the second connecting sleeve cover is monitored to exceed the standard, the hydrogen leakage monitoring device can be displayed on a display instrument and an alarm is provided through a buzzer, and meanwhile, the functions of hydrogen leakage monitoring and hydrogen leakage prevention are provided.

Description

Hydrogen leakage monitoring device of hydrogen station
Technical Field
The utility model relates to the technical field of hydrogen leakage monitoring, in particular to a hydrogen leakage monitoring device of a hydrogen station.
Background
Refers to the general terms of process facilities, filling facilities, compression and storage facilities, auxiliary facilities and buildings, structures or sites thereof required for hydrogen gas supply, which are prepared by adopting related processes.
In the hydrogen station, the hydrogen is conveyed by connecting the pipeline with the pipeline, connecting the pipeline with the interface end of the equipment, conveying the hydrogen, and carrying out leakage-proof monitoring on the pipeline, such as an oxyhydrogen concentration monitoring device for the hydrogen pipeline, as proposed in patent application number 201921541015.3.
The hydrogen concentration monitoring device of the hydrogen pipeline inside the existing hydrogen station can only monitor at a fixed position, but the joint of the pipeline and the pipeline in the hydrogen station is one of common hydrogen leakage points, and the existing hydrogen concentration monitoring device cannot directly monitor the joint of the pipeline and the pipeline in a hydrogen leakage-proof manner.
Disclosure of Invention
The utility model aims to provide a hydrogen leakage monitoring device of a hydrogen station, which is used for solving the problems in the background technology.
The aim of the utility model can be achieved by the following technical scheme:
the hydrogen leakage monitoring device of the hydrogen station comprises a conveying pipeline and a connecting pipeline, wherein the conveying pipeline is arranged in the hydrogen station and is used for conveying hydrogen, the connecting pipeline is arranged at the equipment end, a first connecting sleeve cover and a second connecting sleeve cover are respectively arranged at two sides of a connecting position of the conveying pipeline and the connecting pipeline, and protruding connecting pieces are respectively arranged at the central positions of the first connecting sleeve cover and the second connecting sleeve cover;
the hydrogen sensor is fixedly arranged on the inner surface of the protruding connecting piece and used for monitoring the hydrogen concentration, the display instrument is fixedly connected with the outer surface of the protruding connecting piece, and the hydrogen sensor is electrically connected with the display instrument and used for displaying the hydrogen concentration monitored by the hydrogen sensor.
Preferably, a buzzer is fixedly connected to one side of the display instrument, the buzzer is electrically connected with the display instrument, and the buzzer is used for sounding to give an alarm when the hydrogen concentration monitored by the hydrogen sensor exceeds the standard.
Preferably, the outer surfaces of the first connecting sleeve cover, the second connecting sleeve cover and the protruding connecting piece are fixedly connected with fixing lantern rings, and fixing bolts used for fixing the two fixing lantern rings are arranged on the fixing lantern rings.
Preferably, the inner surfaces of the first connecting sleeve cover and the second connecting sleeve cover are fixedly connected with sealing gaskets, and the sealing gaskets are matched with the outer surfaces of the conveying pipeline and the connecting pipeline.
Preferably, one side of the second connecting sleeve cover is fixedly connected with an exhaust pipe, the inner surface of the exhaust pipe is fixedly connected with a sealing sleeve, and a sealing plug matched with the sealing sleeve for use is arranged in the exhaust pipe.
Preferably, one end of the closed sleeve is fixedly connected with a tension spring, one end of the tension spring is fixedly connected with an annular connecting piece, a positioning connecting rod is fixedly connected to the annular connecting piece, and one end of the positioning connecting rod penetrates through the closed sleeve and is fixedly connected with the closed plug.
Preferably, a positioning bolt is arranged on the exhaust pipe, and the bottom of the positioning bolt sequentially penetrates through the exhaust pipe and the positioning connecting rod and extends to the outside of the exhaust pipe.
The utility model has the beneficial effects that:
fix the lantern ring through fixing bolt, be fixed pipeline and connecting tube's outside with first connecting sleeve lid and second connecting sleeve lid, form airtight space in pipeline and connecting tube outside for pipeline and connecting tube department produce leakage hydrogen can not the loss, and carry out hydrogen concentration monitoring through hydrogen sensor, when monitoring that the hydrogen concentration between first connecting sleeve lid and the second connecting sleeve lid exceeds standard, can show on the display instrument and report to the police through bee calling organ, provide hydrogen leakage monitoring and prevent hydrogen leakage's function simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of a rear view of the second connecting cover of FIG. 1;
FIG. 3 is a schematic view of the connection between the transfer pipe and the connecting pipe of FIG. 1;
FIG. 4 is a schematic view of the second connecting sleeve cover portion of FIG. 3;
fig. 5 is a cross-sectional view of a side view of the extraction tube of fig. 1.
Reference numerals in the drawings are as follows:
1. the device comprises a conveying pipeline, 2, a connecting pipeline, 3, a first connecting sleeve cover, 4, a second connecting sleeve cover, 5, a protruding connecting piece, 6, a hydrogen sensor, 7, a display instrument, 8, a buzzer, 9, a fixed sleeve ring, 10, a fixed bolt, 11, an exhaust pipe, 12, a sealing sleeve, 13, a sealing plug, 14, a tension spring, 15, an annular connecting piece, 16, a positioning connecting rod, 17, a positioning bolt, 18 and a sealing gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The hydrogen leakage monitoring device of the hydrogen station comprises a conveying pipeline 1 and a connecting pipeline 2, wherein the conveying pipeline 1 is arranged in the hydrogen station and is used for conveying hydrogen, the connecting pipeline 2 is arranged at the equipment end, a first connecting sleeve cover 3 and a second connecting sleeve cover 4 are respectively arranged at two sides of a connecting position of the conveying pipeline 1 and the connecting pipeline 2, and protruding connecting pieces 5 are respectively arranged at the central positions of the first connecting sleeve cover 3 and the second connecting sleeve cover 4;
the inside surface fixed mounting of protruding connecting piece 5 has the hydrogen sensor 6 that is used for monitoring hydrogen concentration, the surface fixedly connected with of protruding connecting piece 5 shows instrument 7, hydrogen sensor 6 and show instrument 7 electric connection for show the hydrogen concentration that hydrogen sensor 6 monitored, protruding connecting piece 5 can provide airtight function for the connecting piece of pipeline 1 and connecting pipe 2 junction.
As shown in fig. 1, the hydrogen delivery pipe 1 and the connecting pipe 2 at the equipment end belong to equipment inside a hydrogen station, the equipment end comprises a valve, a transformer, a hydrogen concentration analyzer and other equipment, and the contact surface between the first connecting sleeve cover 3 and the second connecting sleeve cover 4 is made of materials with sealing capability such as sealing rubber and the like, so that when the first connecting sleeve cover 3 and the second connecting sleeve cover 4 are contacted together, the first connecting sleeve cover 3 and the second connecting sleeve cover 4 are sealed.
One side fixedly connected with buzzer 8 of display instrument 7, buzzer 8 and display instrument 7 electric connection, buzzer 8 are used for when hydrogen sensor 6 detects that hydrogen concentration exceeds standard, and buzzer 8 sounds and reports to the police.
As shown in fig. 1 and 2, the display instrument 7 has an internal power supply, and can also be used by being externally connected with the power supply, and the power taking of the buzzer 8 and the hydrogen sensor 6 are connected with the display instrument 7 for power taking.
The outer surfaces of the first connecting sleeve cover 3, the second connecting sleeve cover 4 and the protruding connecting piece 5 are fixedly connected with fixing sleeve rings 9, and fixing bolts 10 used for fixing the two fixing sleeve rings 9 are arranged on the fixing sleeve rings 9.
As shown in fig. 1, the inner sides of the fixing collars 9 are provided with threads, so that the fixing bolts 10 can conveniently fix the two fixing collars 9.
The inner surfaces of the first connecting sleeve cover 3 and the second connecting sleeve cover 4 are fixedly connected with sealing gaskets 18, and the sealing gaskets 18 are matched with the outer surfaces of the conveying pipeline 1 and the connecting pipeline 2.
As shown in fig. 1, 2 and 3, when the inner surfaces of the first and second connection covers 3 and 4 are attached to the outer sides of the transfer pipes 1 and 2, they are attached to the outer surfaces of the transfer pipes 1 and 2 through the sealing gasket 18, so that the sealing ability of the outer surfaces of the transfer pipes 1 and 2 is improved, and gas leakage is prevented.
One side of the second connecting sleeve cover 4 is fixedly connected with an exhaust pipe 11, the inner surface of the exhaust pipe 11 is fixedly connected with a sealing sleeve 12, and a sealing plug 13 matched with the sealing sleeve 12 for use is arranged in the exhaust pipe 11.
As shown in fig. 4, the sealing plug 13 is a table body, one end of the sealing sleeve 12 is provided with a table groove, when the sealing plug 13 is attached to one end of the sealing sleeve 12, one end of the sealing sleeve 12 can be sealed, and the sealing plug 13 is matched with the sealing sleeve 12 to seal the exhaust pipe 11, so that gas can not pass through the exhaust pipe 11.
One end of the closed sleeve 12 is fixedly connected with a tension spring 14, one end of the tension spring 14 is fixedly connected with an annular connecting piece 15, a positioning connecting rod 16 is fixedly connected to the annular connecting piece 15, and one end of the positioning connecting rod 16 penetrates through the closed sleeve 12 and is fixedly connected with the closed plug 13.
As shown in fig. 4, the tension spring 14 is in a contracted state, and has a thrust force in a direction away from the tension spring 14 on the ring-shaped link 15.
The exhaust pipe 11 is provided with a positioning bolt 17, and the bottom of the positioning bolt 7 sequentially penetrates through the exhaust pipe 11 and the positioning connecting rod 16 and extends to the outside of the exhaust pipe 11.
As shown in fig. 1, 3 and 4, the positioning pin 17 passes through the positioning link 16, so that the displacement of the positioning link 16 and the closing plug 13 inside the extraction tube 11 can be avoided.
When the hydrogen leaks between the first connecting sleeve cover 3 and the second connecting sleeve cover 4 from the conveying pipeline 1 and the connecting pipeline 2, the positioning bolt 17 can be pulled upwards to take down the positioning bolt 17, then the exhaust pipeline of the exhaust equipment is connected to the exhaust pipe 11, the exhaust pipeline of the exhaust equipment can extrude the positioning connecting rod 16 inwards, the positioning connecting rod 16 drives the sealing plug 13 to move in the direction away from the sealing sleeve 12, at the moment, the hydrogen between the first connecting sleeve cover 3 and the second connecting sleeve cover 4 can enter the exhaust pipe 11, and the hydrogen is extracted through the external exhaust equipment, so that potential safety hazards caused by the fact that the hydrogen continues to be generated between the first connecting sleeve cover 3 and the second connecting sleeve cover 4 are avoided.
The utility model provides a working principle of a hydrogen leakage monitoring device of a hydrogen station, which comprises the following steps:
in the hydrogen station, when the joint of the conveying pipeline 1 and the connecting pipeline 2 is leaked, a closed space is formed outside the conveying pipeline 1 and the connecting pipeline 2 due to the first connecting sleeve cover 3 and the second connecting sleeve cover 4, hydrogen cannot leak to the external environment, and when the hydrogen sensor 6 senses that the hydrogen content of the closed space between the first connecting sleeve cover 3 and the second connecting sleeve cover 4 exceeds the standard, the buzzer 8 is used for alarming;
staff can take out the back with hydrogen through exhaust tube 11, take down fixing bolt 10 again, and separation first connecting sleeve lid 3 and second adapter sleeve lid 4 overhauls pipeline 1 and connecting tube 2 junction, and on the contrary from pipeline 1 and connecting tube 2 junction alignment first connecting sleeve lid 3 and second adapter sleeve lid 4, the rethread fixing bolt 10 cooperates fixed lantern ring 9 can be fixed first connecting sleeve lid 3 and second adapter sleeve lid 4, makes things convenient for the installation of device.
Compared with the related art, the hydrogen leakage monitoring device of the hydrogen station has the following beneficial effects:
fix fixed lantern ring 9 through fixing bolt 10, fix the outside to pipeline 1 and connecting tube 2 with first connecting sleeve lid 3 and second connecting sleeve lid 4, form airtight space in pipeline 1 and connecting tube 2 outside for pipeline 1 and connecting tube 2 department produce leakage hydrogen can not the loss, and carry out hydrogen concentration monitoring through hydrogen sensor 6, when the hydrogen concentration between monitoring first connecting sleeve lid 3 and the second connecting sleeve lid 4 exceeds standard, can show on the display instrument 7 and report to the police through buzzer 8, provide hydrogen leakage monitoring and prevent the function of hydrogen leakage simultaneously.
The first connecting sleeve cover 3 and the second connecting sleeve cover 4 can be directly additionally arranged between the existing pipeline and equipment, and the pipeline, so that the existing pipeline is not required to be disassembled, and the installation and the use are convenient.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (7)

1. The utility model provides a hydrogen leakage monitoring devices of hydrogen station, includes the pipeline (1) that sets up inside the hydrogen station and is used for hydrogen transportation and connecting tube (2) of equipment end, its characterized in that, the both sides of pipeline (1) and connecting tube (2) junction are provided with first adapter sleeve lid (3) and second adapter sleeve lid (4) respectively, the central point of first adapter sleeve lid (3) and second adapter sleeve lid (4) puts and all is provided with protruding connecting piece (5);
the hydrogen concentration monitoring device is characterized in that a hydrogen sensor (6) for monitoring the hydrogen concentration is fixedly arranged on the inner surface of the protruding connecting piece (5), a display instrument (7) is fixedly connected to the outer surface of the protruding connecting piece (5), and the hydrogen sensor (6) is electrically connected with the display instrument (7) and used for displaying the hydrogen concentration monitored by the hydrogen sensor (6).
2. The hydrogen leakage monitoring device of the hydrogen station according to claim 1, wherein a buzzer (8) is fixedly connected to one side of the display instrument (7), the buzzer (8) is electrically connected with the display instrument (7), and the buzzer (8) is used for sounding to give an alarm when the hydrogen concentration detected by the hydrogen sensor (6) exceeds the standard.
3. The hydrogen leakage monitoring device of the hydrogen station according to claim 1, wherein the outer surfaces of the first connecting sleeve cover (3), the second connecting sleeve cover (4) and the protruding connecting piece (5) are fixedly connected with fixing collars (9), and fixing bolts (10) for fixing the two fixing collars (9) are arranged on the fixing collars (9).
4. The hydrogen leakage monitoring device of the hydrogen station according to claim 1, wherein the inner surfaces of the first connecting sleeve cover (3) and the second connecting sleeve cover (4) are fixedly connected with sealing gaskets (18), and the sealing gaskets (18) are matched with the outer surfaces of the conveying pipeline (1) and the connecting pipeline (2).
5. The hydrogen leakage monitoring device of the hydrogen station according to claim 1, wherein one side of the second connecting sleeve cover (4) is fixedly connected with an exhaust pipe (11), the inner surface of the exhaust pipe (11) is fixedly connected with a sealing sleeve (12), and a sealing plug (13) matched with the sealing sleeve (12) is arranged in the exhaust pipe (11).
6. The hydrogen leakage monitoring device of a hydrogen station according to claim 5, wherein one end of the sealing sleeve (12) is fixedly connected with a tension spring (14), one end of the tension spring (14) is fixedly connected with an annular connecting piece (15), a positioning connecting rod (16) is fixedly connected to the annular connecting piece (15), and one end of the positioning connecting rod (16) penetrates through the sealing sleeve (12) and is fixedly connected with the sealing plug (13).
7. The hydrogen leakage monitoring device of the hydrogen station according to claim 6, wherein a positioning bolt (17) is arranged on the exhaust pipe (11), and the bottom of the positioning bolt (7) sequentially penetrates through the exhaust pipe (11) and the positioning connecting rod (16) and extends to the outside of the exhaust pipe (11).
CN202222841330.6U 2022-10-27 2022-10-27 Hydrogen leakage monitoring device of hydrogen station Active CN219015544U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222841330.6U CN219015544U (en) 2022-10-27 2022-10-27 Hydrogen leakage monitoring device of hydrogen station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222841330.6U CN219015544U (en) 2022-10-27 2022-10-27 Hydrogen leakage monitoring device of hydrogen station

Publications (1)

Publication Number Publication Date
CN219015544U true CN219015544U (en) 2023-05-12

Family

ID=86234865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222841330.6U Active CN219015544U (en) 2022-10-27 2022-10-27 Hydrogen leakage monitoring device of hydrogen station

Country Status (1)

Country Link
CN (1) CN219015544U (en)

Similar Documents

Publication Publication Date Title
CN104595726A (en) Natural gas pipeline system having leakage warming function
CN207762573U (en) A kind of safety device of gas pipeline
CN219015544U (en) Hydrogen leakage monitoring device of hydrogen station
CN204494094U (en) Piped gas leakage alarm mechanism
CN213145680U (en) Low temperature ball valve is prevented leaking and is used junction sealing device
CN207133022U (en) A kind of sylphon seal performance test apparatus
CN204437719U (en) There is the Natural gas pipeline system of leakage warning function
CN213040325U (en) Safety protection device for detecting gas leakage of petroleum and natural gas pipeline
CN203118514U (en) Shell and flange combined electrical penetration assembly for double-wall containment of reactor
CN219102720U (en) Gas leakage detection device for hydrogen-doped natural gas pipeline
CN207318008U (en) A kind of sealing device for aircraft conduit seal tightness test
CN208935614U (en) A kind of sealing structure for whirl compensator
CN210398032U (en) Universal gas-liquid pressure gauge joint
CN113390021A (en) Pipeline flange (blind flange) leakage monitoring equipment and using method
CN219367443U (en) Leak protection detection device is used in pipeline under pressure inspection
CN219413794U (en) Pipeline penetrating pipe sealing device of pressure-bearing building
CN218178210U (en) Sealing flange connecting piece of natural gas transportation pipeline
CN221004753U (en) Hydrogen-doped natural gas pipeline leakage detection device
CN218972021U (en) Waterproof sleeve with self-checking function
CN216201586U (en) Blowout prevention sealing device for petroleum pressure pipeline
CN219140116U (en) Pipeline regulating valve group
CN220417058U (en) Gas leakage detection equipment for gas pipeline
CN211038624U (en) Pressure gauge with good sealing performance for oil-gas well
CN219589880U (en) External pressure detection device for junction box
CN218914089U (en) Petroleum pipeline joint leakage-proof structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230817

Address after: 201600 Building 13, No. 388, Tangming Road, Shihudang Town, Songjiang District, Shanghai

Patentee after: Shanghai Dunyang Fluid Equipment Co.,Ltd.

Address before: Room 506, 5th floor, No. 13, Lane 16299, Puwei Road, Shanyang Town, Jinshan District, Shanghai, 201802, Q1

Patentee before: Dexian Gas Technology (Shanghai) Co.,Ltd.