CN216307424U - Buried gas pipeline system - Google Patents
Buried gas pipeline system Download PDFInfo
- Publication number
- CN216307424U CN216307424U CN202122812218.5U CN202122812218U CN216307424U CN 216307424 U CN216307424 U CN 216307424U CN 202122812218 U CN202122812218 U CN 202122812218U CN 216307424 U CN216307424 U CN 216307424U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- pipe
- joint
- gas
- seamless steel
- 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
Links
Images
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model relates to the technical field of gas pipelines, and discloses a buried gas pipeline system which comprises a pipeline buried in a wall body, wherein the pipeline is provided with an air inlet end and an air outlet end which extend to the outside of the wall body, the air inlet end is used for connecting a gas meter, the air outlet end is used for connecting gas equipment, the pipeline comprises a pipe body and a joint connected with the pipe body, the pipe body and the joint are seamless steel pipes, the joint and the pipe body are connected in a welding mode, and anti-corrosion coatings are uniformly distributed on the outer sides of the seamless steel pipes and the joint. The minimum yield strength of the seamless steel pipe is high, and the seamless steel pipe is not easy to be damaged by external force or accident in the house decoration process, so that the pipe loss in the construction process is saved, and the safety of the pipeline is improved; when in site construction, the outside of the pipe body does not need to be subjected to on-site corrosion prevention measures, and only the joint coating treatment is carried out on the welded junction part of the joint and the pipe body, so that the integral corrosion prevention and safety of a pipeline system are improved, and the working efficiency of construction is improved.
Description
Technical Field
The utility model relates to the technical field of gas pipelines, in particular to a buried gas pipeline system.
Background
Natural gas is a main living energy source of modern urban residents, and in order to keep the indoor environment attractive, users usually lay indoor gas pipelines on indoor floors or walls in a concealed and buried mode, so that the gas pipelines are prevented from leaking outside. The concealed gas pipeline in the residential user room is generally made of stainless steel corrugated pipes for gas, the wall thickness of the stainless steel corrugated pipes is generally 0.25mm, the stainless steel corrugated pipes are mechanically connected through ferrule type pipe fittings, and the thickness of a covering layer of the concealed gas pipeline is not less than 10 mm.
In a newly-built residential project, indoor buried gas pipelines and other pipelines are generally laid on a floor or a wall before decoration, the pipelines are exposed to the external environment before decoration is finished, and the construction of a covering layer is finished when the decoration is finished. Because the wall thickness of the stainless steel corrugated pipe is thin, the construction site environment is severe when the interior of a house is decorated, and the stainless steel corrugated pipe exposed outside is easy to deform or even damage under the action of external force during the transportation of decoration materials or construction process.
When the damage of the corrugated pipe is serious, the stainless steel corrugated pipe needs to be replaced. Because the buried stainless steel corrugated pipe is not provided with a mechanical joint, the damaged stainless steel corrugated pipe must be completely replaced when needing to be replaced, thereby causing the waste of the pipe and having high replacement cost; if the damage degree of the corrugated pipe is small, cracks on the surface of the stainless steel corrugated pipe are not easy to perceive, the surface cracks can become gas leakage points, and potential safety hazards of gas leakage in the future are easily caused.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the utility model provides a bury gas piping system secretly to solve the gas pipeline among the prior art and adopt the bellows to lay when impaired problem that the replacement cost is high, tiny crackle exists the potential safety hazard.
In order to achieve the purpose, the utility model provides a buried gas pipeline system which comprises a pipeline buried in a wall body, wherein the pipeline is provided with an air inlet end and an air outlet end which extend to the outside of the wall body, the air inlet end is used for being connected with a gas meter, the air outlet end is used for being connected with gas equipment, the pipeline comprises a pipe body and a connector connected with the pipe body, the pipe body and the connector are seamless steel pipes, the connector and the pipe body are connected in a welding mode, and anticorrosion coatings are respectively arranged on the outer sides of the seamless steel pipes and the connecting positions of the seamless steel pipes and the connector.
Preferably, the anticorrosive coating is arranged in two layers, the total thickness of the two anticorrosive coatings being not less than 400 μm.
Preferably, the material of the anticorrosive coating is sintered epoxy powder coating.
Preferably, a heat-shrinkable sleeve is further arranged at the welding position of the joint and the pipe body, and the heat-shrinkable sleeve is sleeved outside the anti-corrosion coating.
Preferably, the heat-shrinkable sleeves are arranged in plurality along the extending direction of the pipeline, and the adjacent two heat-shrinkable sleeves are arranged in an overlapping way.
Preferably, the lap width between two adjacent heat shrinkable sleeves is 50-100 mm.
Preferably, the wall thickness of the seamless steel pipe is not less than 3 mm.
Preferably, the air outlet end is in threaded connection with a ball valve, and anticorrosive paint is arranged at the threaded structure of the air outlet end.
Preferably, the wall body is further embedded with a plurality of pipe clamps, the pipe clamps are arranged at intervals along the extending direction of the pipeline, and the pipe clamps are fixed in the wall body through screws.
Preferably, a covering layer is further arranged on the wall body outside the pipeline, and the thickness of the covering layer is not less than 10 mm.
Compared with the prior art, the buried gas pipeline system provided by the embodiment of the utility model has the beneficial effects that: the pipeline is formed by a pipe body and a joint, the pipe body and the joint are of seamless steel pipe structures, the minimum yield strength of the seamless steel pipe is high, and the seamless steel pipe is not easily damaged by external force or by accident in the house decoration process, so that the pipe loss in the construction process is saved, and the safety of the pipeline is improved; and adopt welded connection between joint and the body, omit mechanical joint, promote the intensity of pipeline while satisfying pipeline leakproofness, set up anticorrosive coating in the outside of seamless steel pipe and the welding position department of seamless steel pipe and joint, need not do the field corrosion prevention measure outside the body when the site operation, only need carry out the joint coating at the crater position of joint and body, promoted pipeline system's whole anticorrosive ability and security to the work efficiency of construction is provided.
Drawings
FIG. 1 is a schematic structural view of a buried gas piping system of the present invention;
FIG. 2 is a schematic view of the buried gas piping system of FIG. 1 in the direction A;
FIG. 3 is a schematic view of the connection of a pipe body and an elbow of the buried gas piping system of FIG. 1;
FIG. 4 is a schematic view of the arrangement of the pipes of the buried gas piping system of FIG. 1 within a wall;
fig. 5 is a schematic structural view of a pipe of the buried gas piping system of fig. 4.
In the figure, 1, a pipeline; 11. an air inlet end; 12. an air outlet end; 13. a pipe body; 14. a joint; 141. bending the pipe; 142. a tee joint; 2. a wall body; 3. a gas meter; 4. a gas range; 5. a gas furnace; 6. an anti-corrosion coating; 7. a heat shrinkable sleeve; 8. a ball valve; 9. a pipe clamp; 10. and (4) a covering layer.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
A preferred embodiment of the buried gas pipeline system of the present invention, as shown in fig. 1 to 5, includes a pipeline 1, the pipeline 1 is used for being buried in a wall 2, that is, the pipeline 1 is installed in the wall 2 in a buried manner, a laying groove is formed in the wall 2, the laying groove is a rectangular groove, the pipeline 1 is installed in the laying groove of the wall 2, and the width of the laying groove is at least 20mm greater than the outer diameter of the pipeline 1.
One end of the pipeline 1 is an air inlet end 11, the other end is an air outlet end 12, the air inlet end 11 and the air outlet end 12 both extend to the outside of the wall body 2, the air inlet end 11 is used for connecting household pipelines of a gas company, the air inlet end 11 is connected with a gas meter 3, and the gas meter 3 is supported and fixed on the wall body 2 through a meter support so as to control the gas consumption and the gas use safety. The gas outlet ends 12 are used for being connected with gas utilization equipment, the number of the gas outlet ends 12 can be adjusted according to the number of the gas utilization equipment, in the embodiment, the gas utilization equipment comprises a gas stove 4 and a gas stove 5, and the number of the gas outlet ends 12 is two.
The pipeline 1 comprises a pipe body 13 and a joint 14 connected with the pipe body 13, the joint 14 comprises a tee joint 142 and an elbow 141, two air outlet ends 12 of the pipeline 1 are connected with an air inlet end 11 through the tee joint 142, and the pipeline 1 is connected through the elbow 141 when being bent in the wall 2. The air inlet end 11 and the two air outlet ends 12 of the pipeline 1 are connected by the elbow 141 when penetrating out of the wall 2, so as to complete the laying of the pipeline 1 in the wall 2.
The pipe body 13 and the joint 14 are seamless steel pipes, the minimum yield strength of the seamless steel pipes is high, and the seamless steel pipes are not easily damaged by external force or by accident in the house decoration process, so that the pipe loss in the construction process is saved, and the safety of the pipeline 1 is improved. In this embodiment, the seamless steel pipe is made of 20# steel, and the minimum yield strength of the 20# steel is not less than 245MPa, so that the strength of the pipe 1 is higher, and the seamless steel pipe has higher strength and higher breakage resistance compared with a stainless steel corrugated pipe.
The joint 14 is welded with the pipe body 13, and the anticorrosion coating 6 is respectively arranged on the outer side of the seamless steel pipe and the joint 14. The quality of the anticorrosive coating 6 is in accordance with the relevant regulations of the prior industrial standard SY/T0315 technical Specification for the external coating of the sintered epoxy powder of the steel pipeline.
The welding connection can omit the mechanical joint 14, and the sealing performance of the pipeline 1 is satisfied while the strength of the pipeline 1 is improved. Compared with the common seamless steel pipe, the anticorrosion coating 6 is uniformly distributed on the outer side of the seamless steel pipe and the welding position of the seamless steel pipe and the joint 14, anticorrosion measures are not needed on the spot outside the pipe body 13 during on-site construction, and only joint coating treatment needs to be carried out on the welding port parts of the joint 14 and the pipe body 13, so that the integral anticorrosion property and safety of the pipeline 1 system are improved, the danger of gas leakage is reduced, and the working efficiency of construction is improved.
Preferably, the anticorrosive coating 6 is arranged in two layers, and the total thickness of the two anticorrosive coatings 6 is not less than 400 μm.
The anti-corrosion coating 6 is arranged in at least two layers, so that the anti-corrosion performance of the pipe body 13 and the joint 14 can be further improved; the total thickness of the anticorrosive coating 6 is more than 400 mu m, and the anticorrosive coating 6 can also have good anticorrosive performance after being collided and damaged.
Preferably, the material of the anti-corrosion coating 6 is sintered epoxy powder paint. The fusion bonded epoxy powder coating is used as a solid thermosetting material, has effective wetting activity, coating tackifying and compact curing technologies, is completely and tightly contacted with the pipeline 1, and greatly improves the bonding force with the pipeline 1. And the sintered epoxy powder coating is used as a mature anticorrosive material, and the use technology is mature.
Preferably, a heat-shrinkable sleeve 7 is arranged at the welding position of the joint 14 and the pipe body 13, and the heat-shrinkable sleeve 7 is sleeved outside the anti-corrosion coating 6.
The thermal contraction sleeve 7 is coated outside the anticorrosive coating 6 after being heated, so that the collision of the anticorrosive coating 6 can be effectively reduced, and the anticorrosive performance of the welding repair opening is ensured.
In the embodiment, the joint 14 and the pipe body 13 are welded and connected on site, the anti-corrosion coating 6 is brushed after surface treatment, the thickness of the anti-corrosion coating 6 is not less than 400 microns, the anti-corrosion coating coats the heat shrinkable sleeve 7 within one hour of brushing, and the heat shrinkable sleeve 7 can be tightly attached to the anti-corrosion coating 6.
Preferably, the heat-shrinkable sleeves 7 are arranged in plurality along the extension direction of the pipe 1, and two adjacent heat-shrinkable sleeves 7 are arranged in an overlapping manner.
The lengths of the repaired mouth positions are different, the plurality of heat shrinkable sleeves 7 can ensure complete coverage, and meanwhile, gaps can be avoided between the adjacent heat shrinkable sleeves 7 due to the overlapping arrangement, so that the corrosion resistance of the pipeline 1 is improved.
Preferably, the lap width between two adjacent heat-shrinkable sleeves 7 is 50-100 mm.
After increasing the overlapping width, the occurrence of a gap after shrinkage of the heat shrinkable sleeve 7 can be prevented.
Preferably, the wall thickness of the seamless steel pipe is not less than 3 mm.
After the wall thickness of the seamless steel pipe is increased, the minimum yield strength of the seamless steel pipe can be increased, the pipeline 1 is prevented from being damaged by external force or accidentally damaged in the house interior decoration process, and the service life of the pipeline 1 is prolonged.
Preferably, the air outlet end 12 is in threaded connection with the ball valve 8, and the threaded structure of the air outlet end 12 is provided with anticorrosive paint.
The ball valve 8 can control the gas outlet state of each gas outlet end 12, so that the gas delivery can be timely closed when gas equipment is replaced and maintained. Anticorrosive paint is arranged at the threaded structure, so that the corrosion resistance of the connecting position can be improved, and the integral corrosion resistance of the pipeline 1 is improved.
Preferably, the pipe clamp 9 is further embedded in the wall body 2, a plurality of pipe clamps 9 are arranged at intervals along the extending direction of the pipeline 1, and the pipe clamps 9 are fixed in the wall body 2 through screws.
The pipe strap 9 is fixed to the pipeline 1, and the pipeline 1 is prevented from shaking in the wall body 2.
Preferably, a covering layer 10 is further arranged on the wall body 2 outside the pipeline 1, and the thickness of the covering layer 10 is not less than 10 mm.
The cover layer 10 can fix and protect the pipeline 1 and fill the laying grooves of the wall body 2. In this embodiment, the material of the anti-corrosion layer is yellow concrete.
To sum up, the embodiment of the utility model provides a buried gas pipeline system, wherein a pipeline is formed by a pipe body and a joint, the pipe body and the joint both adopt seamless steel pipe structures, the minimum yield strength of the seamless steel pipe is high, and the seamless steel pipe is not easy to be damaged by external force or accident in the house decoration process, so that the pipe loss in the construction process is saved, and the safety of the pipeline is improved; and adopt welded connection between joint and the body, omit mechanical joint, promote the intensity of pipeline while satisfying pipeline leakproofness, set up anticorrosive coating in the outside of seamless steel pipe and the welding position department of seamless steel pipe and joint, need not do the field corrosion prevention measure outside the body when the site operation, only need carry out the joint coating at the crater position of joint and body, promoted pipeline system's whole anticorrosive ability and security to the work efficiency of construction is provided.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a secretly bury gas piping system, its characterized in that, is including being used for burying the pipeline in the wall body underground, the pipeline has and extends to the inlet end and the end of giving vent to anger of the outside of wall body, the inlet end is used for connecting the gas table, the end of giving vent to anger is used for connecting gas appliances, the pipeline include the body and with the joint that the body is connected, the body with the joint is seamless steel pipe, connect with welded connection between the body, the outside of seamless steel pipe and seamless steel pipe with the hookup location department equipartition that connects has put anticorrosive coating.
2. The buried gas piping system of claim 1, wherein the corrosion protection coating is arranged in two layers, the total thickness of the two layers of the corrosion protection coating being not less than 400 μ ι η.
3. The buried gas pipeline system of claim 2, wherein the anticorrosion coating is made of a sintered epoxy powder coating.
4. The buried gas pipeline system of any one of claims 1-3, wherein a heat-shrinkable sleeve is further disposed at the welding position of the joint and the pipe body, and the heat-shrinkable sleeve is sleeved outside the anti-corrosion coating.
5. The buried gas pipeline system of claim 4, wherein the heat-shrinkable sleeves are arranged in a plurality along the extending direction of the pipeline, and the adjacent two heat-shrinkable sleeves are arranged in an overlapping manner.
6. The buried gas pipeline system of claim 5, wherein the lap width between two adjacent heat-shrinkable sleeves is 50-100 mm.
7. The buried gas piping system of any one of claims 1-3, wherein the seamless steel pipe has a wall thickness of not less than 3 mm.
8. The buried gas pipeline system according to any one of claims 1-3, wherein the gas outlet end is in threaded connection with a ball valve, and an anticorrosive paint is arranged at the threaded structure of the gas outlet end.
9. The buried gas pipeline system according to any one of claims 1-3, wherein a plurality of pipe clamps are buried in the wall body at intervals along the extending direction of the pipeline, and the pipe clamps are fixed in the wall body by screws.
10. The buried gas piping system according to any one of claims 1 to 3, wherein a coating layer is further disposed on the wall body outside the pipe, and the thickness of the coating layer is not less than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122812218.5U CN216307424U (en) | 2021-11-16 | 2021-11-16 | Buried gas pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122812218.5U CN216307424U (en) | 2021-11-16 | 2021-11-16 | Buried gas pipeline system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216307424U true CN216307424U (en) | 2022-04-15 |
Family
ID=81120537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122812218.5U Active CN216307424U (en) | 2021-11-16 | 2021-11-16 | Buried gas pipeline system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216307424U (en) |
-
2021
- 2021-11-16 CN CN202122812218.5U patent/CN216307424U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101782166A (en) | Plastic coated composite steel pipe | |
| CN101619779A (en) | Sealing device for buried pipe connected with protective well | |
| CN216307424U (en) | Buried gas pipeline system | |
| CN1247817C (en) | Method for protecting inner wall of anti-corrosion pipeline joint by using sacrificial anode | |
| CN210069213U (en) | Shunt tee joint for thermal pipeline | |
| CN1031956C (en) | Sleeve-bonding jointing method for weld of lining pipe | |
| CN201817810U (en) | Anti-corrosion device for tubular pile connecting joints in corrosive soil layers or underground water environments | |
| CN105179849B (en) | The anti-settling joint design and its construction method of buried insulating steel tube | |
| CN213871460U (en) | Water leakage prevention structure of service pipe | |
| CN211821094U (en) | Pipeline crossing protection system | |
| CN111006078A (en) | Novel steel cylinder concrete pipe | |
| CN201696809U (en) | External anti-corrosion composite joint coating layer for steel pipes | |
| CN206093262U (en) | Sealed feedwater socket joint formula welding steel pipe of T type rubber ring | |
| CN219639786U (en) | Fire protection device for air pipe | |
| CN219828004U (en) | Introducing pipe finished product and gas supply system with same | |
| CN201259025Y (en) | Sealing device for buried pipe protection well | |
| CN105840922A (en) | Novel thermal insulation water supply pipeline with multiplex corrosion resistance function | |
| CN206513955U (en) | A kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline | |
| CN209876177U (en) | Water supply and drainage internal and external plastic-coated composite steel pipe | |
| CN218992716U (en) | Ductile cast iron pipe fitting for connecting Prestressed Concrete Cylinder (PCCP) | |
| CN210640653U (en) | Long service life's pipeline for electric power is buried underground | |
| CN206468913U (en) | A kind of indoor fuel gas wall pipe with pillar | |
| CN213361528U (en) | Anticorrosion structure of power pipeline joint | |
| CN220668803U (en) | Outdoor stainless steel pipeline anticorrosion integrated pipe shell | |
| CN212377764U (en) | Flange connecting structure of gas household pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |