CN109973719A - A kind of gas pipeline out through walls - Google Patents
A kind of gas pipeline out through walls Download PDFInfo
- Publication number
- CN109973719A CN109973719A CN201711465749.3A CN201711465749A CN109973719A CN 109973719 A CN109973719 A CN 109973719A CN 201711465749 A CN201711465749 A CN 201711465749A CN 109973719 A CN109973719 A CN 109973719A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- wall feed
- buried
- wall
- buried pipeline
- 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.)
- Pending
Links
- 230000003628 erosive effect Effects 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 239000011241 protective layer Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 11
- 229920001903 high density polyethylene Polymers 0.000 claims description 8
- 239000004700 high-density polyethylene Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 101000880310 Homo sapiens SH3 and cysteine-rich domain-containing protein Proteins 0.000 claims description 4
- 102100037646 SH3 and cysteine-rich domain-containing protein Human genes 0.000 claims description 4
- 239000010696 ester oil Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000008014 freezing Effects 0.000 abstract description 6
- 238000007710 freezing Methods 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 230000009172 bursting Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 37
- 239000000567 combustion gas Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 1
- 230000002968 anti-fracture Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- 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
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
A kind of gas pipeline out through walls, including buried pipeline and wall feed-through pipeline, buried pipeline and wall feed-through pipeline are three-decker, and connection hose is equipped between buried pipeline and wall feed-through pipeline, buried pipeline connection automatically shuts down the gas piping valve, and wall feed-through pipeline place through walls is equipped with support device.The beneficial effects of the present invention are: structure is simple, it is easy to operate, hose is equipped between buried pipeline and wall feed-through pipeline to connect, so that buried pipeline and wall feed-through pipeline are in the case where settling height is different, prevent junction torsional deformation, even it is broken, avoid gas leakage, buried pipeline and wall feed-through pipeline are multilayered structure, erosion resistant coating can effectively adapt to underground environment, increase corrosion resistant erosion degree, uvioresistant layer can effectively be applicable in ground environment, the aging for preventing illumination from generating, insulating layer can effectively prevent pipeline underground is freezing or bursting by freezing, hard protective layer can effectively ensure that pipeline is deformed, increase the service life of pipeline.
Description
Technical field
The invention belongs to combustion gas duct technical fields, more particularly, to a kind of gas pipeline out through walls.
Background technique
As society enters the combustion gas epoch, gas ductwork conveyance conduit increases sharply.Common combustion gas mainly have natural gas,
Coal gas, liquefied petroleum gas, biogas etc., these combustion gas need to be connected to gas equipment with gas source by gas pipeline when in use,
When being leaked at gas pipeline and gas service pipe, such as gas source cannot be cut off in time, combustion gas will constantly outflow, and cause fire
Calamity even explosion accident.
I.e. underground pipe and cross-over pipe junction, underground pipe are fixed on underground, soil locating for underground pipe at gas service pipe
Matter is different, many factors compound action, seriously corroded.Cross-over pipe needs through walls mostly, and gas pipeline is introduced every household, combustion gas
Pipeline itself has weight, needs that support device is arranged, and increases its stability.Not due to buried pipeline and wall feed-through pipeline local environment
Together, locating building settlement amount is different, will lead to the pipe deforming at gas service pipe.Buried pipeline is located in underground, once occur
Gas leakage cannot close in time, and there are security risks.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of gas pipelines；Especially surface is equipped with erosion resistant coating, and buried place is equipped with
Valve is automatically shut down the gas piping, place through walls is equipped with gas pipeline out through walls anti-fracture at support device and gas service pipe.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of gas pipeline out through walls, including bury
Ground pipeline and wall feed-through pipeline, the buried pipeline are placed in underground, and the wall feed-through pipeline is through walls to enter the room, the buried pipeline and described
Wall feed-through pipeline is three-decker, and the buried pipeline is successively arranged erosion resistant coating, insulating layer and hard protective layer, institute from outside to inside
It states wall feed-through pipeline and is successively arranged uvioresistant layer, erosion resistant coating and hard protective layer from outside to inside, the erosion resistant coating is by flexible STAC
Mine ester oil band and high-intensitive toughness high density polyethylene (HDPE) armor are constituted, the company of being equipped between the buried pipeline and the wall feed-through pipeline
Hose is connect, the buried pipeline connection automatically shuts down the gas piping valve, and the wall feed-through pipeline place through walls is equipped with support device, the support dress
It sets including support plate, supporting sleeve and supporting rib, the support sleeve pipe sleeve is in the wall feed-through pipeline outer surface, the supporting sleeve
One end is placed in wall, and the supporting sleeve other end connects the support plate, and open-work is equipped at the support plate center, described
Wall feed-through pipeline passes through the open-work, and the supporting rib is right angled triangle plate, and two right-angle sides of the supporting rib are separately connected
The supporting sleeve and wall.
Further, the valve that automatically shuts down the gas piping includes rotor, mandrel and block, and the rotor is placed in the underground pipe
In road, diametrically length passes through the mandrel from rotor thickness direction center, and described rotor one end is solid by thermoplasticity
Determine part to be connected with buried pipeline, the thermoplasticity fixing piece is parallel with the buried pipeline by the rotor, the buried pipeline
Inner wall is equipped with block.
Further, the supporting rib is a plurality of, and the supporting rib is evenly distributed on the supporting sleeve outer surface.
Further, the connection hose is metal hose, and the connection hose both ends junction is respectively equipped with sealing ring,
The sealing ring is inert filler layer.
Further, the underground pipe, which is said, is located in equipped with protection sleeve pipe, and the protection sleeve pipe is placed on the buried pipeline
Outer surface.
Further, the wall feed-through pipeline connection intercepts valve, and the interception valve includes valve member, the valve member both ends point
Other connecting flange, the valve member middle are equipped with handle, and the valve member and the flange connections are equipped with strainer.
Further, the flange is connect with the wall feed-through pipeline, and the flange is equipped with the wall feed-through pipeline junction
Sealing ring.
Further, the supporting rib section is right-angled trapezium.
Further, the rotor is divided into solid part and hollow part.
The advantages and positive effects of the present invention are:
1, the configuration of the present invention is simple, easy to operate is equipped with hose between buried pipeline and wall feed-through pipeline and connects, so that burying
Ground pipeline and wall feed-through pipeline prevent junction torsional deformation, or even fracture, combustion gas are avoided to let out in the case where settling height is different
Leakage, buried pipeline and wall feed-through pipeline are multilayered structure, and erosion resistant coating can effectively adapt to underground environment, increase corrosion resistant erosion degree, are resisted
Ultra-violet layer can effectively be applicable in ground environment, and the aging for preventing illumination from generating, insulating layer can effectively prevent pipeline freezing in underground
Or bursting by freezing, hard protective layer can effectively ensure that pipeline is deformed, and increase the service life of pipeline.
2, buried pipeline of the present invention is installed on underground pipe network, is equipped with inside buried pipeline and automatically shuts down the gas piping valve, which sets
Thermoplasticity fixing piece and rotatable rotor are set, thermoplasticity fixing piece is broken in time when combustion gas is caught fire, and expands it in the intensity of a fire
It is preceding to cut off gas source, it prevents accident further intensification, does not need hand off gas source, safety is significantly increased and saved
Cost, while eliminating security risk.
3, wall feed-through pipeline of the invention place through walls is equipped with support device, and the weight of wall feed-through pipeline is born using wall, is kept away
Exempt from weight and concentrates wall feed-through pipeline bottom, harm caused by causing pipe deforming to be even broken.
4, wall feed-through pipeline of the invention connection intercepts valve, intercepts valve internal and is equipped with strainer, can effectively filter combustion of registering one's residence
Gas prevents line clogging, causes security risk.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention
Fig. 2 is buried pipeline structural schematic diagram of the invention
Fig. 3 is wall feed-through pipeline structural schematic diagram of the invention
Fig. 4 is connection hose junction structural schematic diagram of the invention
Fig. 5 is support device structure diagram of the invention
Fig. 6 is of the invention to automatically shut down the gas piping valve mechanism schematic diagram
Fig. 7 is interception valve mechanism schematic diagram of the invention
In figure:
1, protection sleeve pipe 2, connection hose 3, wall
4, support device 5, wall feed-through pipeline 6, interception valve
7, buried pipeline 8, automatically shut down the gas piping valve 9, hard protective layer
10, insulating layer 11, erosion resistant coating 12, uvioresistant layer
13, sealing ring 14, supporting rib 15, supporting sleeve
16, support plate 17, open-work 18, hollow part
19, rotor 20, mandrel 21, solid part
22, block 23, thermoplasticity fixing piece 24, valve member
25, flange 26, handle 27, strainer
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
As shown in Figure 1, a kind of gas pipeline out through walls, including buried pipeline 7 and wall feed-through pipeline 5, buried pipeline 7 are placed in
Underground, wall feed-through pipeline 5 is through walls to enter the room.Buried pipeline 7 and wall feed-through pipeline 5 are three-decker, as shown in Fig. 2, buried pipeline 7 by
Erosion resistant coating 11, insulating layer 10 and hard protective layer 9 are successively arranged in outside.As shown in figure 3, wall feed-through pipeline 5 is from outside to inside successively
Equipped with uvioresistant layer 12, erosion resistant coating 11 and hard protective layer 9.The erosion resistant coating is tough by flexible STAC mine ester oil band and high intensity
Property high density polyethylene (HDPE) armor constitute, the flexible STAC mine ester oil band of internal layer is used to that extraneous steam is prevented to invade, and utilizes inertia
The excellent acidproof alkali salt characteristic of mineral plays the long-effective protection to steel pipe；The high-intensitive toughness high density polyethylene (HDPE) armour of outside cladding
First plays the protective action of original steel bushing.The erosion resistant coating from the point of view of pipeline performance total life cycle really reduce operation and maintenance at
Originally, great guarantee is provided to the safe operation of gas ductwork.Soft inside despite one's hard shell erosion resistant coating, at least provides under normal circumstances
10 years or more anti-corrosion lifes.Connection hose 2 is equipped between buried pipeline 7 and wall feed-through pipeline 5, connection hose 2 is metal hose,
As shown in figure 4, connection 2 both ends junction of hose is respectively equipped with sealing ring 13, sealing ring 13 is inert filler layer.Buried pipeline 7
It is located in out equipped with protection sleeve pipe 1, protection sleeve pipe 1 is placed on 7 outer surface of buried pipeline.The connection of buried pipeline 7 automatically shuts down the gas piping valve 8,
The place through walls of wall feed-through pipeline 5 is equipped with support device 4.As shown in figure 5, support device 4 includes support plate 16, supporting sleeve 15 and support
Muscle 14,15 sets of supporting sleeve in 5 outer surface of wall feed-through pipeline, 15 one end of supporting sleeve is placed in wall 3,15 other end of supporting sleeve
Support plate 16 is connected, open-work 17 is equipped at 16 center of support plate, wall feed-through pipeline 5 passes through open-work 17, and supporting rib 14 is right angle trigonometry
Shape plate or right-angled trapezium, 14 two right-angle sides of supporting rib are separately connected supporting sleeve 15 and wall 3, supporting rib 14 be it is a plurality of,
Supporting rib 14 is evenly distributed on 15 outer surface of supporting sleeve.
As shown in fig. 6, automatically shutting down the gas piping valve 8 includes rotor 19, mandrel 20 and block 22, rotor 19 is placed in buried pipeline
In 7, diametrically length passes through mandrel 20 from 19 thickness direction center of rotor, 19 one end of rotor by thermoplasticity fixing piece 23 with
Buried pipeline 7 is connected.When thermoplasticity fixing piece 23 is parallel with the buried pipeline 7 by rotor 19, valve is opened, and combustion gas can be free
Pass through, 7 inner wall of buried pipeline is equipped with block 22.Rotor 19 divides for solid part 21 and hollow part 18, when thermoplasticity fixing piece 23 exists
Combustion gas is broken in time when catching fire, and rotor 19 is rotated centered on mandrel 20, and solid part 21 under the action of self-weight, rotates down,
When rotor 19 is vertical with buried pipeline 7, rotor 19 and block 22 are closed buried pipeline 7, cut gas source before intensity of a fire expansion
It is disconnected, avoid security risk.
As shown in fig. 7, the connection of wall feed-through pipeline 5 intercepts valve 6, intercepting valve 6 includes valve member 24, and 24 both ends of valve member connect respectively
Acting flange 25,24 middle of valve member are equipped with handle 26, and valve member 24 and 25 junction of flange are equipped with strainer 27.Flange 25 and wall pipe
Road 5 connects, and flange 25 and 5 junction of wall feed-through pipeline are equipped with sealing ring 13.
The working principle of the invention is: buried pipeline 7 being placed in underground, wall feed-through pipeline 5 is placed in ground wall 3, will be buried
Ground pipeline 7 and wall feed-through pipeline 5 are connected with connection hose 2, and connection 2 both ends of hose are threadedly coupled, and junction is equipped with sealing ring 13.It buries
It is equipped in ground pipeline 7 and automatically shuts down the gas piping valve 8, thermoplasticity fixing piece 23 rotates rotor 19 to certain angle, keeps fuel gas conduit
Unimpeded, combustion gas inside pipe wall is equipped with block 22, and when thermoplasticity fixing piece 23 relaxes or is broken, combustion gas pushes rotor 19 to rotate and simultaneously abuts
Block 22 separates rotor 19 by fuel gas conduit, avoids that more major break down occurs.The installation through walls of wall feed-through pipeline 5, outside wall feed-through pipeline 5
Supporting sleeve 15 is arranged in side, and supporting sleeve 15 is fixed with supporting rib 14 in multiple orientation, then support is arranged above supporting rib 14
Plate 16.It after wall feed-through pipeline 5 is entered the room, is equipped with and intercepts valve 6, intercept and be equipped with strainer 27 inside valve 6, can effectively filter combustion of registering one's residence
Gas prevents line clogging, causes security risk.
The advantages and positive effects of the present invention are:
1, the configuration of the present invention is simple, easy to operate is equipped with hose between buried pipeline and wall feed-through pipeline and connects, so that burying
Ground pipeline and wall feed-through pipeline prevent junction torsional deformation, or even fracture, combustion gas are avoided to let out in the case where settling height is different
Leakage, buried pipeline and wall feed-through pipeline are multilayered structure, and erosion resistant coating can effectively adapt to underground environment, increase corrosion resistant erosion degree, are resisted
Ultra-violet layer can effectively be applicable in ground environment, and the aging for preventing illumination from generating, insulating layer can effectively prevent pipeline freezing in underground
Or bursting by freezing, hard protective layer can effectively ensure that pipeline is deformed, and increase the service life of pipeline.
2, buried pipeline of the present invention is installed on underground pipe network, is equipped with inside buried pipeline and automatically shuts down the gas piping valve, which sets
Thermoplasticity fixing piece and rotatable rotor are set, thermoplasticity fixing piece is broken in time when combustion gas is caught fire, and expands it in the intensity of a fire
It is preceding to cut off gas source, it prevents accident further intensification, does not need hand off gas source, safety is significantly increased and saved
Cost, while eliminating security risk.
3, wall feed-through pipeline of the invention place through walls is equipped with support device, and the weight of wall feed-through pipeline is born using wall, is kept away
Exempt from weight and concentrates wall feed-through pipeline bottom, harm caused by causing pipe deforming to be even broken.
4, wall feed-through pipeline of the invention connection intercepts valve, intercepts valve internal and is equipped with strainer, can effectively filter combustion of registering one's residence
Gas prevents line clogging, causes security risk.
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should still be within the scope of the patent of the present invention.
Claims (9)
1. a kind of gas pipeline out through walls, including buried pipeline and wall feed-through pipeline, it is characterised in that: the buried pipeline is placed in
Underground, the wall feed-through pipeline is through walls to enter the room, and the buried pipeline and the wall feed-through pipeline are three-decker, the buried pipeline
It is successively arranged erosion resistant coating, insulating layer and hard protective layer from outside to inside, the wall feed-through pipeline is successively arranged uvioresistant from outside to inside
Line layer, erosion resistant coating and hard protective layer, the erosion resistant coating is by flexible STAC mine ester oil band and high-intensitive toughness high density polyethylene (HDPE)
Armor is constituted, and connection hose is equipped between the buried pipeline and the wall feed-through pipeline, and the buried pipeline connection is automatically shut down the gas piping
Valve, the wall feed-through pipeline place through walls are equipped with support device, and the support device includes support plate, supporting sleeve and supporting rib,
The support sleeve pipe sleeve is placed in wall in the wall feed-through pipeline outer surface, described supporting sleeve one end, and the supporting sleeve is another
One end connects the support plate, and open-work is equipped at the support plate center, and the wall feed-through pipeline passes through the open-work, the support
Muscle is right angled triangle plate, and two right-angle sides of the supporting rib are separately connected the supporting sleeve and wall.
2. one kind gas pipeline out through walls according to claim 1, it is characterised in that: the valve that automatically shuts down the gas piping includes
There are rotor, mandrel and block, the rotor is placed in the buried pipeline, and the mandrel is from rotor thickness direction center
Diametrically length passes through, and described rotor one end is connected by thermoplasticity fixing piece with buried pipeline, and the thermoplasticity fixing piece will
The rotor is parallel with the buried pipeline, and the buried pipeline inner wall is equipped with block.
3. one kind gas pipeline out through walls according to claim 1 or 2, it is characterised in that: the supporting rib be it is a plurality of,
The supporting rib is evenly distributed on the supporting sleeve outer surface.
4. one kind gas pipeline out through walls according to claim 1 or 2, it is characterised in that: the connection hose is gold
Belong to hose, the connection hose both ends junction is respectively equipped with sealing ring, and the sealing ring is inert filler layer.
5. one kind gas pipeline out through walls according to claim 1 or 2, it is characterised in that: the underground pipe says ground
Place is equipped with protection sleeve pipe, and the protection sleeve pipe is placed on the buried pipeline outer surface.
6. one kind gas pipeline out through walls according to claim 1 or 2, it is characterised in that: the wall feed-through pipeline connection
Valve is intercepted, the interception valve includes valve member, and the valve member both ends are separately connected flange, and the valve member middle is equipped with hand
Handle, the valve member and the flange connections are equipped with strainer.
7. one kind gas pipeline out through walls according to claim 6, it is characterised in that: the flange and the wall pipe
Road connection, the flange and the wall feed-through pipeline junction are equipped with sealing ring.
8. one kind gas pipeline out through walls according to claim 3, it is characterised in that: the supporting rib section is right angle
It is trapezoidal.
9. one kind gas pipeline out through walls according to claim 2, it is characterised in that: the rotor be divided into solid part and
Hollow part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465749.3A CN109973719A (en) | 2017-12-28 | 2017-12-28 | A kind of gas pipeline out through walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465749.3A CN109973719A (en) | 2017-12-28 | 2017-12-28 | A kind of gas pipeline out through walls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973719A true CN109973719A (en) | 2019-07-05 |
Family
ID=67075321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711465749.3A Pending CN109973719A (en) | 2017-12-28 | 2017-12-28 | A kind of gas pipeline out through walls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109973719A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165648A (en) * | 2021-12-16 | 2022-03-11 | 天津港航工程有限公司 | Spiral corrugated pipe with steel adapter and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2536876Y (en) * | 2002-04-24 | 2003-02-19 | 大庆油田建材制造安装有限责任公司 | High-temperature resistance thermal heating pipeline |
| KR200396441Y1 (en) * | 2005-04-29 | 2005-09-22 | 주식회사 효성케미칼 | Improvement structure of building wall piping protection sleeve |
| CN202790760U (en) * | 2012-09-05 | 2013-03-13 | 周红兵 | Valve for automatically blocking up gas pipe |
| CN203660456U (en) * | 2014-01-23 | 2014-06-18 | 山东泰开高压开关有限公司 | Support apparatus for combined electrical apparatus branch bus wall bushing |
| CN205806706U (en) * | 2016-05-23 | 2016-12-14 | 郭瑞鹏 | Fastening-type wall bushing |
| CN206572123U (en) * | 2017-01-21 | 2017-10-20 | 华润（南京）市政设计有限公司 | A kind of gas pipeline anti-sedimentation apparatus |
| CN207921495U (en) * | 2017-12-28 | 2018-09-28 | 蓝色海洋（天津）工程技术有限公司 | It is a kind of it is through walls go out ground gas pipeline |
-
2017
- 2017-12-28 CN CN201711465749.3A patent/CN109973719A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2536876Y (en) * | 2002-04-24 | 2003-02-19 | 大庆油田建材制造安装有限责任公司 | High-temperature resistance thermal heating pipeline |
| KR200396441Y1 (en) * | 2005-04-29 | 2005-09-22 | 주식회사 효성케미칼 | Improvement structure of building wall piping protection sleeve |
| CN202790760U (en) * | 2012-09-05 | 2013-03-13 | 周红兵 | Valve for automatically blocking up gas pipe |
| CN203660456U (en) * | 2014-01-23 | 2014-06-18 | 山东泰开高压开关有限公司 | Support apparatus for combined electrical apparatus branch bus wall bushing |
| CN205806706U (en) * | 2016-05-23 | 2016-12-14 | 郭瑞鹏 | Fastening-type wall bushing |
| CN206572123U (en) * | 2017-01-21 | 2017-10-20 | 华润（南京）市政设计有限公司 | A kind of gas pipeline anti-sedimentation apparatus |
| CN207921495U (en) * | 2017-12-28 | 2018-09-28 | 蓝色海洋（天津）工程技术有限公司 | It is a kind of it is through walls go out ground gas pipeline |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165648A (en) * | 2021-12-16 | 2022-03-11 | 天津港航工程有限公司 | Spiral corrugated pipe with steel adapter and construction method thereof |
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