CN209444898U - A kind of natural gas Double-sleeve device - Google Patents
A kind of natural gas Double-sleeve device Download PDFInfo
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- CN209444898U CN209444898U CN201920043976.5U CN201920043976U CN209444898U CN 209444898 U CN209444898 U CN 209444898U CN 201920043976 U CN201920043976 U CN 201920043976U CN 209444898 U CN209444898 U CN 209444898U
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- natural gas
- pipe
- fixedly connected
- casing
- described sleeve
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Abstract
The utility model discloses a kind of natural gas Double-sleeve device, including casing, the two sides of described sleeve pipe bottom are provided with buttress, and described sleeve pipe is internally provided with natural gas line, air pressure sensing device is fixedly connected on rear side of described sleeve pipe inner wall.The utility model carries out real-time monitoring to the gas between casing and natural gas line by air pressure sensing device and gas concentration monitoring device, gas detection alarm device can be monitored alarm to the gas leaked into piping lane public space simultaneously, open fire and external force collision etc. are protected by casing again, natural gas line itself protects natural gas simultaneously, to have the advantages of capable of carrying out duplicate protection and double monitoring to natural gas, solves the safety precautions that conventional natural gas pipelines are monitored only with substance water pipe precaution and substance, once pipeline meets with itself strain or because external force is destroyed, it is inevitable to generate leakage, it is easy the problem of causing safety accident.
Description
Technical field
The utility model relates to natural gas technical field, specially a kind of natural gas Double-sleeve device.
Background technique
Currently, municipal administration natural gas line in China's is mostly by the way of directly buried installation, because of piping corrosion perforation, external construction
Occur when gas pipeline leakage, explosion accident natural gas accident caused by the factors such as interference, fault in material and constructional deficiency, makes
At direct economic loss be unable to estimate.It is shown by the understanding data of visiting in Xiamen China Resources combustion gas Co., Ltd, nearly 3 years
It is interior, Xiamen City's natural gas line because of Pipeline damage totally 31 caused by external factor, wherein 2015 12,9,2017 in 2016
It is mainly constructed by road construction excavator operation, the operation of pipeline construction push pipe, geological prospecting year 10, pile foundation construction etc. destroys
It causes.
Natural gas line, which is included in pipe gallery, can effectively avoid the destruction that extraneous construction generates it, Britain, Germany etc.
The example that country has gas pipeline to be included in pipe gallery, domestic Pudong, Shanghai Zhang Yanglu, Shanghai Anting New Town, Shenzhen crude salt etc.
The pipe gallery on ground has been included in gas pipeline.But due to worrying that natural gas line enters corridor safety problem and code requirement is necessary
The reasons such as cabin construction cost is higher are individually set, various regions enter corridor to combustion gas and hold dispute at present, cause natural gas to enter corridor rate lower.For
Can this researching natural gas pipeline be included in the problem of municipal administration comprehensive cabin and push natural gas line to enter pipe gallery save the cost
It is of great significance.
It is total to the comparative analysis of cabin form from different pipelines to natural gas line by the angle from safety and economy, obtains
Out to draw a conclusion:
(1) though natural gas line and 220kV and 110kV high voltage power cable, rain sewage gravity stream pipeline are total to cabin setting energy
Cost is reduced, but has increased considerably natural gas line security risk, it is not recommended that cabin setting altogether.
(2) natural gas line can be included in the comprehensive cabin of municipal administration, can be with water supply, middle water, communication, sewage pressure pipe, 10kV electric power
Cable is total to cabin laying, but need to take certain safe precaution measure.
To ensure that combustion gas enters that corridor is safer, the harm after corridor is entered based on natural gas line is derived mainly from open flame source and natural
The situation of feed channel leakage, and conventional natural gas pipelines and as other enter the municipal pipeline of corridor, using substance water pipe precaution with
The safety precautions of substance monitoring, once pipeline meets with itself strain or because external force is destroyed, and it is inevitable to generate leakage, it is easy
Cause safety accident.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of natural gas Double-sleeve device, and having can
Duplicate protection is carried out to natural gas and the advantages of double monitoring, solve conventional natural gas pipelines only with substance water pipe precaution and
The safety precautions of substance monitoring, once pipeline meets with itself strain or because external force is destroyed, and it is inevitable to generate leakage, it is easy
The problem of causing safety accident.
(2) technical solution
In order to achieve the above object, the utility model provides the following technical solutions: a kind of natural gas Double-sleeve device, packet
Casing is included, the two sides of described sleeve pipe bottom are provided with buttress, and described sleeve pipe is internally provided with natural gas line, described sleeve pipe
It is fixedly connected with air pressure sensing device on rear side of inner wall, gas concentration monitoring dress is fixedly connected on front side of described sleeve pipe inner wall
It sets, nitrogen is filled between described sleeve pipe and natural gas line, gas detection alarm dress is fixedly installed at the top of described sleeve pipe
It sets.
Preferably, the inside of the buttress is fixedly connected with rubber pad, and the top of the rubber pad and the surface of casing connect
Touching, the surface of described sleeve pipe slidably connect pipe collar, and the pipe collar is connected to the top of buttress by bolt thread.
Preferably, the surface of the natural gas line is fixedly connected with fixed block, and the fixed block is far from natural gas line
One end be fixedly connected with the inner wall of casing, described sleeve pipe and natural gas line are seamless welding steel pipe.
Preferably, reserved exhaust gear is provided at the top of described sleeve pipe, the reserved exhaust gear includes that through-hole is fixed
Pipe, screw rod, high-temperature resistant rubber set one, gas vent, high-temperature resistant rubber set two and connecting tube, the through-hole fixing pipe are arranged in casing
Top, the bottom end of the through-hole fixing pipe is through to the inside of casing, and the screw flight is connected to the interior of through-hole fixing pipe
Portion, the top of the screw rod are through to the top of through-hole fixing pipe, and the high-temperature resistant rubber set one is fixedly connected on the bottom of screw rod
End, the high-temperature resistant rubber set two are fixedly connected on the bottom of the fixed inside pipe wall of through-hole, and the gas vent is provided with through-hole and fixes
Bottom on the left of inside pipe wall, the connecting tube are connected to the top on the left of through-hole fixing pipe.
Preferably, the two sides of the fixed bottom of the tube of the through-hole are fixedly connected to support plate, and the bottom of the support plate is solid
Surely it is connected to the top of natural gas line, the top of the screw rod is fixedly connected with reinforcing set, the internal slide of the reinforcing set
It is connected with extension bar.
Preferably, the top of described sleeve pipe is welded every 200 meters of settings, one reserved exhaust gear, the top of described sleeve pipe
It is connected to fixing sleeve, the inner wall of the fixing sleeve is fixedly connected on the surface of through-hole fixing pipe, and the top of the through-hole fixing pipe is solid
Surely it is connected with sealing ring, the inner wall of the sealing ring is contacted with the surface of screw rod.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of natural gas Double-sleeve device, has following beneficial to effect
Fruit:
1, natural gas Double-sleeve device, by air pressure sensing device and gas concentration monitoring device to casing and natural gas
Gas between pipeline carries out real-time monitoring, while gas detection alarm device can be to the gas leaked into piping lane public space
Body is monitored alarm, then is protected by casing open fire and external force collision etc., while natural gas line itself is to natural gas
It is protected, to have the advantages of capable of carrying out duplicate protection and double monitoring to natural gas, solves conventional natural gas
The safety precautions that pipeline is monitored only with substance water pipe precaution and substance, once pipeline meets with itself strain or because external force is broken
It is bad, it is inevitable to generate leakage, it is easy the problem of causing safety accident.
2, the natural gas Double-sleeve device can be fixed and be protected to casing by setting rubber pad and pipe collar,
The phenomenon that casing is easy to appear shaking during installation is avoided, the stability of casing is improved, it, can be right by the way that fixed block is arranged
It is limited, the phenomenon that inner wall on the surface and casing that avoid natural gas line contacts, is led between natural gas line and casing
Setting screw rod and gas vent are crossed, convenient for the gas of inside pipe casing is carried out a degree of discharge, so as to air pressure sensing
The detecting state of device, gas concentration monitoring device and gas detection alarm device is observed, improve air pressure sensing device,
The detection stability of gas concentration monitoring device and gas detection alarm device can be made by setting reinforcing set and extension bar
User is more laborsaving when rotating screw rod, keeps high-temperature resistant rubber set one and high-temperature resistant rubber set two more stable to logical
Hole fixing pipe is sealed, and by the way that fixing sleeve is arranged, can be carried out secondary seal with cannula connection to through-hole fixing pipe and be fixed,
Also a degree of stability for improving through-hole fixing pipe simultaneously.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the left view sectional view of the utility model structure buttress；
Fig. 3 is the enlarged diagram in Fig. 1 at A.
In figure: 1 casing, 2 buttresses, 3 natural gas lines, 4 air pressure sensing devices, 5 gas concentration monitoring devices, 6 nitrogen, 7
Gas detection alarm device, 8 rubber pads, 9 pipe collars, 10 fixed blocks, 11 reserved exhaust gears, 111 through-hole fixing pipes, 112 screw rods,
113 high-temperature resistant rubbers cover one, 114 gas vents, 115 high-temperature resistant rubbers cover two, 116 connecting tubes, 12 support plates, 13 reinforcing sets, 14
Extension bar, 15 fixing sleeves, 16 sealing rings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3, a kind of natural gas Double-sleeve device, including casing 1 are please referred to, the two sides of 1 bottom of casing are provided with
Buttress 2, the inside of buttress 2 are fixedly connected with rubber pad 8, and the top of rubber pad 8 is contacted with the surface of casing 1, the surface of casing 1
Pipe collar 9 is slidably connected, pipe collar 9 is connected to the top of buttress 2 by bolt thread, passes through setting rubber pad 8 and pipe collar 9, energy
It is enough that casing 1 is fixed and is protected, the phenomenon that casing 1 is easy to appear shaking during installation is avoided, the steady of casing 1 is improved
Qualitative, casing 1 is internally provided with natural gas line 3, and the surface of natural gas line 3 is fixedly connected with fixed block 10, fixed block
10 one end far from natural gas line 3 is fixedly connected with the inner wall of casing 1, and casing 1 and natural gas line 3 are seamless welding steel
Pipe can limit between natural gas line 3 and casing 1 by the way that fixed block 10 is arranged, avoid natural gas line 3
The phenomenon that inner wall of surface and casing 1 contacts, the top of casing 1 is provided with reserved exhaust gear 11, reserves exhaust gear 11 and wraps
Include through-hole fixing pipe 111, screw rod 112, high-temperature resistant rubber set 1, gas vent 114, high-temperature resistant rubber set 2 115 and connecting tube
116, the top of casing 1 is arranged in through-hole fixing pipe 111, and the bottom end of through-hole fixing pipe 111 is through to the inside of casing 1, screw rod
112 are threaded in the inside of through-hole fixing pipe 111, and the top of screw rod 112 is through to the top of through-hole fixing pipe 111, resistance to height
Warm rubber sleeve 1 is fixedly connected on the bottom end of screw rod 112, and high-temperature resistant rubber set 2 115 is fixedly connected on through-hole fixing pipe 111
The bottom of inner wall, gas vent 114 are provided with the bottom on the left of 111 inner wall of through-hole fixing pipe, and the connection of connecting tube 116 is fixed in through-hole
The top in 111 left side of pipe, by setting screw rod 112 and gas vent 114, convenient for carrying out to a certain degree the gas inside casing 1
Discharge, so as to the detecting state to air pressure sensing device 4, gas concentration monitoring device 5 and gas detection alarm device 7
It is observed, the detection for improving air pressure sensing device 4, gas concentration monitoring device 5 and gas detection alarm device 7 is stablized
Property, the two sides of 111 bottom of through-hole fixing pipe are fixedly connected to support plate 17, and the bottom of support plate 17 is fixedly connected on natural gas
The top of pipeline 3, the top of screw rod 112 are fixedly connected with reinforcing set 18, and the internal slide of reinforcing set 18 is connected with extension bar 19,
By setting reinforcing set 18 and extension bar 19, user can be made more laborsaving when rotating screw rod 112, make high-temperature resistant rubber set
1 and high-temperature resistant rubber set 2 115 more stable through-hole fixing pipe 111 can be sealed, the top of casing 1 every
200 meters of settings, one reserved exhaust gear 11, the top of casing 1 are welded with fixing sleeve 20, and the inner wall of fixing sleeve 20 is fixedly connected
On the surface of through-hole fixing pipe 111, the top of through-hole fixing pipe 111 is fixedly connected with sealing ring 21, the inner wall of sealing ring 21 with
The surface of screw rod 112 contacts, and by the way that fixing sleeve 20 is arranged, can carry out to through-hole fixing pipe 111 with 1 junction of casing secondary close
Sealing is fixed, while also a degree of stability for improving through-hole fixing pipe 111, is fixedly connected on rear side of 1 inner wall of casing
Air pressure sensing device 4, is fixedly connected with gas concentration monitoring device 5 on front side of 1 inner wall of casing, casing 1 and natural gas line 3 it
Between be filled with nitrogen 6, the top of casing 1 is fixedly installed with gas detection alarm device 7, by introduced in application this patent one
Kind of natural gas Double-sleeve device, it will be argued that natural gas line can directly with water supply, middle water, sewage pressure, communication, 10kV
The pipelines such as middle pressure are total to cabin laying, have saved project cost to a certain extent, have improved O&M efficiency, have kept pipeline performance safer
Reliably, so that further increasing natural gas enters corridor rate.
When in use, air pressure sensing device 4 can detect the air pressure between casing 1 and natural gas line 3, simultaneously
Gas concentration monitoring device 5 can carry out real-time monitoring, and natural gas to the gas concentration between casing 1 and natural gas line 3
Pipeline 3 can protect natural gas, while the casing 1 that flame retardant material is made into, and can have to open fire and external force collision etc.
A degree of protective action, last gas detection alarm device 7 can also to the gas leaked into piping lane public space into
Row is monitored and is alarmed, to achieve the effect that duplicate protection and double monitoring can be carried out to natural gas.
In conclusion the natural gas Double-sleeve device, is covered by air pressure sensing device 4 and 5 pairs of gas concentration monitoring device
Gas between pipe 1 and natural gas line 3 carries out real-time monitoring, while gas detection alarm device 7 can be to leaking into piping lane
Gas in public space is monitored alarm, then is protected by casing 1 open fire and external force collision etc., while natural gas tube
Road 3 is protected natural gas itself, to have the advantages of capable of carrying out duplicate protection and double monitoring to natural gas, solution
The safety precautions that conventional natural gas pipelines of having determined are monitored only with substance water pipe precaution and substance, once pipeline meets with itself
It strains or because external force is destroyed, inevitable generate is leaked, easy the problem of causing safety accident.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
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 (6)
1. a kind of natural gas Double-sleeve device, including casing (1), it is characterised in that: the two sides of described sleeve pipe (1) bottom are all provided with
It is equipped with buttress (2), described sleeve pipe (1) is internally provided with natural gas line (3), and the rear side of described sleeve pipe (1) inner wall is fixed to be connected
It is connected to air pressure sensing device (4), is fixedly connected with gas concentration monitoring device (5), the set on front side of described sleeve pipe (1) inner wall
It manages and is filled with nitrogen (6) between (1) and natural gas line (3), described sleeve pipe is fixedly installed with gas detection alarm at the top of (1)
Device (7).
2. a kind of natural gas Double-sleeve device according to claim 1, it is characterised in that: the inside of the buttress (2)
It is fixedly connected with rubber pad (8), the top of the rubber pad (8) is contacted with the surface of casing (1), the surface of described sleeve pipe (1)
It slidably connects pipe collar (9), the pipe collar (9) is connected to the top of buttress (2) by bolt thread.
3. a kind of natural gas Double-sleeve device according to claim 1, it is characterised in that: the natural gas line (3)
Surface be fixedly connected with fixed block (10), one end and casing (1) of the fixed block (10) far from natural gas line (3) it is interior
Wall is fixedly connected, and described sleeve pipe (1) and natural gas line (3) are seamless welding steel pipe.
4. a kind of natural gas Double-sleeve device according to claim 1, it is characterised in that: the top of described sleeve pipe (1)
It is provided with reserved exhaust gear (11), the reserved exhaust gear (11) includes through-hole fixing pipe (111), screw rod (112), resistance to height
Warm rubber sleeve one (113), gas vent (114), high-temperature resistant rubber cover two (115) and connecting tube (116), the through-hole fixing pipe
(111) it is arranged at the top of casing (1), the bottom end of the through-hole fixing pipe (111) is through to the inside of casing (1), the spiral shell
Bar (112) is threaded in the inside of through-hole fixing pipe (111), and the top of the screw rod (112) is through to through-hole fixing pipe
(111) top, the high-temperature resistant rubber cover the bottom end that one (113) are fixedly connected on screw rod (112), the high-temperature resistant rubber set
Two (115) are fixedly connected on the bottom of through-hole fixing pipe (111) inner wall, and the gas vent (114) is provided with through-hole fixing pipe
(111) bottom on the left of inner wall, the connecting tube (116) are connected to the top on the left of through-hole fixing pipe (111).
5. a kind of natural gas Double-sleeve device according to claim 4, it is characterised in that: the through-hole fixing pipe
(111) two sides of bottom are fixedly connected to support plate (17), and the bottom of the support plate (17) is fixedly connected on natural gas tube
The top in road (3), the top of the screw rod (112) are fixedly connected with reinforcing set (18), the internal slide of the reinforcing set (18)
It is connected with extension bar (19).
6. a kind of natural gas Double-sleeve device according to claim 4, it is characterised in that: the top of described sleeve pipe (1)
Fixing sleeve (20), the fixation are welded at the top of 200 meters of settings, one reserved exhaust gear (11), described sleeve pipe (1)
The inner wall of set (20) is fixedly connected on the surface of through-hole fixing pipe (111), is fixedly connected at the top of the through-hole fixing pipe (111)
Have sealing ring (21), the inner wall of the sealing ring (21) is contacted with the surface of screw rod (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920043976.5U CN209444898U (en) | 2019-01-11 | 2019-01-11 | A kind of natural gas Double-sleeve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920043976.5U CN209444898U (en) | 2019-01-11 | 2019-01-11 | A kind of natural gas Double-sleeve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209444898U true CN209444898U (en) | 2019-09-27 |
Family
ID=68017414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920043976.5U Expired - Fee Related CN209444898U (en) | 2019-01-11 | 2019-01-11 | A kind of natural gas Double-sleeve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209444898U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762691A (en) * | 2019-10-30 | 2020-02-07 | 周东良 | Air supply and exhaust device for building new energy supply |
| CN112145817A (en) * | 2020-10-13 | 2020-12-29 | 祁东中燃城市燃气发展有限公司 | Gas collecting pipeline of natural gas |
| CN113790334A (en) * | 2021-09-16 | 2021-12-14 | 珠海市广华燃气消防工程有限公司 | Natural gas sleeve beneficial to range fixation |
-
2019
- 2019-01-11 CN CN201920043976.5U patent/CN209444898U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762691A (en) * | 2019-10-30 | 2020-02-07 | 周东良 | Air supply and exhaust device for building new energy supply |
| CN112145817A (en) * | 2020-10-13 | 2020-12-29 | 祁东中燃城市燃气发展有限公司 | Gas collecting pipeline of natural gas |
| CN113790334A (en) * | 2021-09-16 | 2021-12-14 | 珠海市广华燃气消防工程有限公司 | Natural gas sleeve beneficial to range fixation |
| CN113790334B (en) * | 2021-09-16 | 2022-12-06 | 珠海市广华燃气消防工程有限公司 | Natural gas sleeve beneficial to range fixing |
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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: 20190927 Termination date: 20220111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |