CN209638786U - A kind of natural gas line decompression alarming apparatus - Google Patents
A kind of natural gas line decompression alarming apparatus Download PDFInfo
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- CN209638786U CN209638786U CN201920312390.4U CN201920312390U CN209638786U CN 209638786 U CN209638786 U CN 209638786U CN 201920312390 U CN201920312390 U CN 201920312390U CN 209638786 U CN209638786 U CN 209638786U
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- natural gas
- protective jacket
- gas line
- silica gel
- piston
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Abstract
The utility model provides a kind of natural gas line decompression alarming apparatus, it is arranged on natural gas line, length direction on the natural gas line along pipeline is provided with several flanges, including wrapping the protective jacket outside flange, pressure relief mechanism, alarm mechanism, closed chamber is formed between the protective jacket and flange, the pressure relief mechanism includes the relief tube main body of rectangle, piston compatible with relief tube main body inner wall, spring, the bottom of the relief tube main body is communicated with the chamber of protective jacket, the top of the piston is connected by spring with the top of relief tube body lumen, lateral direction penetrating has gas vent in the relief tube main body.The flange of natural gas line connecting pin is sealed by protective jacket, and catalytic combustion sensor is set in protective jacket, when natural gas leaking occurs for flange, catalytic combustion sensor detects natural gas at the first time, and make buzzer warning, enable people to the leakage for recognizing flange at the first time.
Description
Technical field
The utility model relates to natural gas technical field, specially a kind of natural gas line decompression alarming apparatus.
Background technique
Natural gas is a kind of environmental clean high-grade energy, and when burning generates carbon dioxide and is less than other fossil fuels, is made
It is lower at greenhouse effects, thus can fundamentally improve environmental quality, and natural gas is clean, the use of kitchen range can be extended
Service life is also beneficial to the expenditure that user reduces maintenance cost.
Although natural gas is a kind of environmental clean high-grade energy, the leakage of natural gas is still very important, valve
As an important component part in natural gas line connection, the excellent scarce influence people's lives of leakproofness at this.Such as China
A kind of structural gas channel that number of patent application the is 201620802665.9, " front-end pipelines including below ground is arranged in
Interior clear pipe, the cleaning pipe top is equipped with suspension hook ..., and the front-end pipelines top is elevated above the soil and upper end and first
Hubbed flange connects ... ", it is connected between Guan Yuguan by flange.
The flange of the structural gas channel of this application is when there is natural gas leakage, since flange is an exposure to air
In, so the leakage of flange can not be detected, it can not sound an alarm in time, people can not take appropriate measures in time, make
It is serious also to have some potential safety problems at a large amount of wastes of resource.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides one kind can detect flange natural gas leaking in time
Natural gas line decompression alarming apparatus.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of natural gas line pressure release
Warning device is arranged on natural gas line, and the length direction on the natural gas line along pipeline is provided with several flanges,
Including wrapping protective jacket, pressure relief mechanism, alarm mechanism outside flange.
Closed chamber is formed between the protective jacket and flange.
The pressure relief mechanism includes the relief tube main body of rectangle, piston compatible with relief tube main body inner wall, spring, institute
The bottom for stating relief tube main body is communicated with the chamber of protective jacket, and the top of the piston passes through spring and relief tube body lumen
Top is connected, and lateral direction penetrating has gas vent in the relief tube main body, and there is lateral direction penetrating on the piston is adapted with gas vent
Piston hole, piston moves up, and after certain distance piston hole and gas vent can penetrate through, and the bottom of the piston opens up
There are several through holes communicated with piston hole.
The alarm mechanism includes catalytic combustion sensor and coupled buzzer, the catalytic combustion sensor
It is arranged on the inner wall of protective jacket, the buzzer is arranged on protective jacket.
Preferably, the protective jacket includes semicircular sheath one, sheath two, one end hinge of the sheath one, sheath two
It connects, the other end is connected by the way that fixing bolt is detachable.
Preferably, it is successively coated with spongy layer, layer of silica gel outside the natural gas line, the both ends of the layer of silica gel are set respectively
It is equipped with the silica gel connector one and silica gel connector two for being tightly connected with protective jacket, the bottom of silica gel connector one and silica gel
Layer flushes, and silica gel connector two is inverted L-shaped, and silica gel connector two is by the closed at one end of spongy layer, the other end and chamber of spongy layer
Room communicates, and the top of the silica gel connector one and silica gel connector two is closely connect with protective jacket.
Preferably, pressure sensor is provided in the chamber, the pressure sensor is connected with buzzer.
Preferably, be additionally provided with indicator light on the protective jacket, the indicator light respectively with catalytic combustion sensor, pressure
Sensor is connected.
It preferably, further include microprocessor, communication module, terminal server and power module, the catalysis combustion sensing
Device, pressure sensor, buzzer, indicator light are connected with microprocessor, and the microprocessor is taken by communication module and terminal
Be engaged in device be connected, the catalytic combustion sensor, pressure sensor, buzzer, indicator light, microprocessor, communication module with electricity
Source module is connected.
Preferably, the pressure relief mechanism further includes the pilot hole being vertically provided on piston and matched guiding
The top of bar, the guide rod is connected with the top of relief tube body lumen.
(3) beneficial effect
The utility model provides a kind of natural gas line decompression alarming apparatus.Have it is following the utility model has the advantages that
1, the flange of the natural gas line decompression alarming apparatus, natural gas line connecting pin is sealed by protective jacket, and
Catalytic combustion sensor is set in protective jacket, and when natural gas leaking occurs for flange, catalytic combustion sensor is examined at the first time
Natural gas is measured, and makes buzzer warning, enables people to the leakage for recognizing flange at the first time.When natural gas leaking amount compared with
When big, the pressure in protective jacket can be steeply risen, and pressure relief mechanism is arranged on protective jacket, and the natural gas in protective jacket is with pressure
Increase piston can up be pushed up, communicate the piston hole on piston with gas vent, and then the high pressure in protective jacket is natural
Gas discharge, eliminates security risk existing for natural gas high pressure in protective jacket.
Detailed description of the invention
Fig. 1 is the front section view of the utility model；
Fig. 2 is enlarged drawing at A in Fig. 1 of the utility model；
Fig. 3 is the outer partial shaft side figure of the utility model；
Fig. 4 is the shaft side figure of the relief tube main body of the utility model；
Fig. 5 is the circuit connection diagram of the utility model；
Fig. 6 is the relief tube main body cross-sectional view of the utility model.
In figure: 1 natural gas line, 2 protective jackets, 21 sheaths one, 22 sheaths two, 23 fixing bolts, 24 spongy layers, 25 silica gel
Layer, 251 silica gel connectors one, 252 silica gel connectors two, 26 chambers, 3 pressure relief mechanisms, 31 relief tube main bodys, 32 pistons, 33 bullets
Spring, 34 piston holes, 35 gas vents, 36 guide rods, 37 pilot holes, 38 through holes, 4 catalytic combustion sensors, 5 pressure sensings
Device, 6 indicator lights, 7 buzzers, 8 microprocessors, 9 communication modules, 10 terminal servers, 11 power modules, 12 flanges.
Specific embodiment
The utility model embodiment provides a kind of natural gas line decompression alarming apparatus, as shown in figures 1 to 6, is arranged natural
In feed channel 1, the length direction on natural gas line 1 along pipeline is provided with several flanges 12.Flange 12 is arranged in natural gas
Connecting pin between pipeline 1 and natural gas line 1.
The present apparatus includes protective jacket 2, pressure relief mechanism 3, alarm mechanism outside flange 12.
Closed chamber 26 is formed between protective jacket 2 and flange 12.
Protective jacket 2 includes semicircular sheath 1, sheath 2 22, and sheath 1, one end of sheath 2 22 are hinged, another
End is connected by the way that fixing bolt 23 is detachable.Protective jacket 2 and locking protective jacket 2 are made by adjusting fixing bolt 23.Sheath one
21, sealing ring is provided in the one side that sheath 2 22 is in contact with natural gas line 1.Sealing ring is the prior art, specifically no longer
It repeats.
It is successively coated with spongy layer 24, layer of silica gel 25 outside natural gas line 1, the both ends of layer of silica gel 25 are separately provided for
The silica gel connector 1 and silica gel connector 2 252 being tightly connected with protective jacket 2.Silica gel connector 1 is connect with silica gel
First 2 252 are integrally formed with layer of silica gel 25.
The bottom of silica gel connector 1 is flushed with layer of silica gel 25, and the bottom of silica gel connector 2 252 is inverted L-shaped, silica gel
Connector 2 252 is closed at one end by spongy layer 24, the other end and chamber positioned at one 251 bottom of silica gel connector of spongy layer 24
Room 26 can communicate, and the top of silica gel connector 1 and silica gel connector 2 252 closely connects with the sealing ring on protective jacket 2
It connects.
External in spongy layer 24 coats layer of silica gel 25, and when natural gas line 1 leaks, the natural gas of leakage can only
Enough transverse shiftings in spongy layer 24.One end of spongy layer 24 is closed by silica gel connector 2 252, the other end of spongy layer 24
It is not closed by silica gel connector 1, so the natural gas in spongy layer 24 can be by being located at one 251 bottom of silica gel connector
Sponge end enter in chamber 26.The purpose being arranged in this way is, each segment pipe and each protective jacket 2 are connected,
When the alarm mechanism alarm on corresponding protective jacket 2, just can determine that it is that corresponding pipeline is leaked.
Pressure relief mechanism 3 includes the relief tube main body 31 of rectangle, piston 32 compatible with 31 inner wall of relief tube main body, spring
33, the bottom of relief tube main body 31 is communicated with the chamber 26 of protective jacket 2, and the top of piston 32 passes through spring 33 and relief tube main body
The tops of 31 inner cavities is connected, and lateral direction penetrating has gas vent 35 in relief tube main body 31, and lateral direction penetrating has and gas vent on piston 32
35 compatible piston holes 34, piston 32 can be such that piston hole 34 and gas vent 35 penetrates through after moving up certain distance, living
The bottom of plug 32 offers several through holes 38 communicated with piston hole 34.
Pressure relief mechanism 3 further includes the pilot hole 37 being vertically provided on piston 32 and matched guide rod 36,
The top of guide rod 36 is connected with the top of 31 inner cavity of relief tube main body.Guide rod 36 is set, it is steady when keeping piston 32 up and down
It is fixed.
When natural gas leaking amount is larger, the pressure in protective jacket 2 can be steeply risen, and pressure release machine is arranged on protective jacket 2
Structure 3, natural gas in protective jacket 2 can up push up piston 32 with the increase of pressure, make piston hole 34 on piston 32 with
Gas vent 35 communicates, and then the high-pressure natural gas in protective jacket 2 is discharged, and eliminates in protective jacket 2 existing for natural gas high pressure
Security risk.Make when the pressure in protective jacket 2 remains basically stable with the external world, piston 32 can be resetted under the action of spring 33 to moving down
It is dynamic, so that piston hole 34 is staggered with gas vent 35.
Alarm mechanism includes catalytic combustion sensor 4 and coupled buzzer 7, and catalytic combustion sensor 4 is arranged
On the inner wall of protective jacket 2, buzzer 7 is arranged on protective jacket 2.
Pressure sensor 5 is provided in chamber 26, pressure sensor 5 is connected with buzzer 7.It is additionally provided on protective jacket 2
Indicator light 6, indicator light 6 are connected with catalytic combustion sensor 4, pressure sensor 5 respectively.The model of catalytic combustion sensor 4
TGS6810-D00.The model CYYZ11 of pressure sensor 5.
It further include microprocessor 8, communication module 9, terminal server 10 and power module 11.
The chip model of microprocessor 8 is MT2503 chip.Model the Beidou MC20, MC20 of communication module 9 are a
GSM/GPRS/GPS/Beidou multifunction module is developed based on MT2503 chip platform.Terminal server 10 can be computer
It is also possible to mobile phone.Power module 11 can be battery, can also directly be connected with power grid.
Catalytic combustion sensor 4, pressure sensor 5, buzzer 7, indicator light 6 are connected with microprocessor 8, microprocessor
8 are connected by communication module 9 with terminal server 10, catalytic combustion sensor 4, pressure sensor 5, buzzer 7, indicator light 6,
Microprocessor 8, communication module 9 are connected with power module 11.
Working principle: it when being leaked on a certain section of natural gas line 1 or at flange 12, is leaked out on natural gas line 1
Natural gas the chamber 26 in corresponding protective jacket 2 is flowed to by spongy layer 24.Catalysis combustion sensing in chamber 26
After device 4 and pressure sensor 5 detect gas component and gas pressure, microprocessor 8, microprocessor are transmitted signals to
8 control buzzers 7 and indicator light 6 are alarmed, while leakage signal is transferred to terminal server 10, terminal by communication module 9
Server 10 can send someone to repair the natural gas line 1 of designated place after receiving signal.When natural gas leaking pressure mistake
When big, the high-pressure natural gas in chamber 26 pushes up piston 32 upwards, work after piston 32 rises to certain altitude, on piston 32
After plug through-hole 34 is communicated with gas vent 35, the natural gas in chamber 26 is anti-from through hole 38, piston hole 34, the discharge of gas vent 35
Outside sheath 2.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of natural gas line decompression alarming apparatus is arranged on natural gas line (1), edge on the natural gas line (1)
The length direction of pipeline be provided with several flanges (12), it is characterised in that: including wrap the outer protective jacket (2) of flange (12),
Pressure relief mechanism (3), alarm mechanism；
Closed chamber (26) are formed between the protective jacket (2) and flange (12)；
The pressure relief mechanism (3) includes the relief tube main body (31) of rectangle, piston compatible with relief tube main body (31) inner wall
(32), spring (33), the bottom of the relief tube main body (31) are communicated with the chamber (26) of protective jacket (2), the piston (32)
Top be connected with the top of relief tube main body (31) inner cavity by spring (33), lateral direction penetrating on the relief tube main body (31)
Have gas vent (35), there is and gas vent (35) compatible piston hole (34), piston lateral direction penetrating on the piston (32)
(32) piston hole (34) and gas vent (35) can be made to penetrate through after moving up certain distance, the bottom of the piston (32) opens up
There are several through holes (38) communicated with piston hole (34)；
The alarm mechanism includes catalytic combustion sensor (4) and coupled buzzer (7), the catalysis combustion sensing
Device (4) is arranged on the inner wall of protective jacket (2), and the buzzer (7) is arranged on protective jacket (2).
2. a kind of natural gas line decompression alarming apparatus according to claim 1, it is characterised in that: the protective jacket (2)
Including semicircular sheath one (21), sheath two (22), the sheath one (21), one end of sheath two (22) are hinged, the other end
It is connected by the way that fixing bolt (23) is detachable.
3. a kind of natural gas line decompression alarming apparatus according to claim 2, it is characterised in that: the natural gas line
(1) it is successively coated with spongy layer (24), layer of silica gel (25) outside, the both ends of the layer of silica gel (25) are separately provided for and protect
Cover (2) be tightly connected silica gel connector one (251) and silica gel connector two (252), the bottom of silica gel connector one (251) and
Layer of silica gel (25) flushes, and silica gel connector two (252) is inverted L-shaped, and silica gel connector two (252) is by an end seal of spongy layer (24)
It closes, the other end of spongy layer (24) is communicated with chamber (26), the silica gel connector one (251) and silica gel connector two (252)
Top closely connect with protective jacket (2).
4. a kind of natural gas line decompression alarming apparatus according to claim 3, it is characterised in that: in the chamber (26)
It is provided with pressure sensor (5), the pressure sensor (5) is connected with buzzer (7).
5. a kind of natural gas line decompression alarming apparatus according to claim 4, it is characterised in that: the protective jacket (2)
On be additionally provided with indicator light (6), the indicator light (6) is connected with catalytic combustion sensor (4), pressure sensor (5) respectively.
6. a kind of natural gas line decompression alarming apparatus according to claim 5, it is characterised in that: further include microprocessor
(8), communication module (9), terminal server (10) and power module (11), the catalytic combustion sensor (4), pressure sensor
(5), buzzer (7), indicator light (6) are connected with microprocessor (8), and the microprocessor (8) is by communication module (9) and eventually
Server (10) are held to be connected, the catalytic combustion sensor (4), pressure sensor (5), buzzer (7), indicator light (6), micro- place
Reason device (8), communication module (9) are connected with power module (11).
7. a kind of natural gas line decompression alarming apparatus according to claim 1, it is characterised in that: the pressure relief mechanism
It (3) further include the pilot hole (37) and matched guide rod (36) being vertically provided on piston (32), the guiding
The top of bar (36) is connected with the top of relief tube main body (31) inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312390.4U CN209638786U (en) | 2019-03-12 | 2019-03-12 | A kind of natural gas line decompression alarming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312390.4U CN209638786U (en) | 2019-03-12 | 2019-03-12 | A kind of natural gas line decompression alarming apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209638786U true CN209638786U (en) | 2019-11-15 |
Family
ID=68495913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920312390.4U Expired - Fee Related CN209638786U (en) | 2019-03-12 | 2019-03-12 | A kind of natural gas line decompression alarming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209638786U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157679A (en) * | 2019-12-30 | 2020-05-15 | 清华大学 | Hydrogen pipeline detection system |
| CN111899477A (en) * | 2020-07-30 | 2020-11-06 | 郑州航空工业管理学院 | Chemical plant toxic gas treatment alarm device and method |
| CN112032573A (en) * | 2020-09-11 | 2020-12-04 | 山东水发黄水东调工程有限公司 | Water pipeline leakage monitoring system and method |
| CN114113488A (en) * | 2021-12-02 | 2022-03-01 | 西南石油大学 | High pressure hydrogen-doped natural gas pipeline leakage spontaneous combustion experimental device |
| CN114307709A (en) * | 2022-01-18 | 2022-04-12 | 乌海凯洁燃气有限责任公司 | Natural gas hydrogen-mixing gas mixing device |
| CN115218204A (en) * | 2022-09-20 | 2022-10-21 | 山西国新科莱天然气有限公司 | Natural gas emptying devices |
-
2019
- 2019-03-12 CN CN201920312390.4U patent/CN209638786U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157679A (en) * | 2019-12-30 | 2020-05-15 | 清华大学 | Hydrogen pipeline detection system |
| CN111899477A (en) * | 2020-07-30 | 2020-11-06 | 郑州航空工业管理学院 | Chemical plant toxic gas treatment alarm device and method |
| CN112032573A (en) * | 2020-09-11 | 2020-12-04 | 山东水发黄水东调工程有限公司 | Water pipeline leakage monitoring system and method |
| CN114113488A (en) * | 2021-12-02 | 2022-03-01 | 西南石油大学 | High pressure hydrogen-doped natural gas pipeline leakage spontaneous combustion experimental device |
| CN114113488B (en) * | 2021-12-02 | 2023-06-27 | 西南石油大学 | Leakage spontaneous combustion experimental device for high-pressure hydrogen-doped natural gas pipeline |
| CN114307709A (en) * | 2022-01-18 | 2022-04-12 | 乌海凯洁燃气有限责任公司 | Natural gas hydrogen-mixing gas mixing device |
| CN114307709B (en) * | 2022-01-18 | 2024-01-23 | 乌海凯洁燃气有限责任公司 | Natural gas hydrogen-mixing gas device |
| CN115218204A (en) * | 2022-09-20 | 2022-10-21 | 山西国新科莱天然气有限公司 | Natural gas emptying devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 Termination date: 20210312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |