CN211599856U

CN211599856U - Gas pipeline anti-settling device

Info

Publication number: CN211599856U
Application number: CN202020172080.XU
Authority: CN
Inventors: 刘爱臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2020-09-29
Anticipated expiration: 2030-02-15

Abstract

The utility model relates to the technical field of gas pipelines, in particular to a gas pipeline anti-settling device, which comprises a gas pipe and a sleeve pipe, wherein the gas pipe and the sleeve pipe form a pipe body, the sleeve pipe is sleeved outside the gas pipe, the sleeve pipe comprises an outer sleeve pipe, an inner sleeve pipe, a honeycomb layer and a buffer layer, and the outer sleeve pipe, the inner sleeve pipe, the honeycomb layer and the buffer layer are fixedly connected together from outside to inside in sequence; whole pipeline adopts the shallow structure of burying, reduce the pressure of soil property layer to the pipeline on every side, interior sheathed tube inner wall is equipped with the honeycomb layer that the metal mesh woven formation, combine the arc buffer layer that the honeycomb in situ lateral wall set firmly, can make the soil property activity that the ground subsides the cause alleviate the left and right sides extrusion force that the pipeline brought, adopt this device installation gas pipeline, can be at utmost subside the foundation and release and alleviate the prestressing force that brings for the pipeline, thereby play good protecting effect to the pipeline, strengthen the stability in use of gas pipeline.

Description

Gas pipeline anti-settling device

Technical Field

The utility model relates to a gas pipeline technical field, concretely relates to gas pipeline prevents subsiding device.

Background

With the rapid development of the Beijing gas industry in recent years, gas pipelines are rapidly introduced to thousands of households, and natural gas pipelines refer to pipelines for conveying natural gas (including associated gas produced by oil fields) from exploitation places or treatment plants to urban gas distribution centers or industrial enterprise users, and are also called gas conveying pipelines. Natural gas pipelines account for about half of the total pipeline length in the world.

The existing civil building foundation settlement phenomenon is very common, additional stress of a courtyard pipe, a building pipe and a gas facility is increased, gas leakage accidents are easily caused by uneven settlement near an introducing pipe, and the dangerous phenomenon caused by gas pipeline breakage is reduced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a gas pipeline prevents subsiding device has simple structure rationally, and the security is high, characteristics that the stability in use is strong.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas pipeline prevents subsiding device, is including gas-supply pipe and the sleeve pipe of constituteing the body, the sleeve pipe cover is established the outside of gas-supply pipe, the sleeve pipe includes outer tube, interior sleeve pipe, honeycomb layer and buffer layer, the outer tube the interior sleeve pipe the honeycomb layer and the buffer layer is by outer to interior fixed connection in proper order together.

Preferably, the buffer layer is a hollow arc structure.

Preferably, the honeycomb layer is a honeycomb structure formed by weaving metal nets.

Preferably, the outer sleeve and the inner sleeve are both made of metal alloy materials.

Preferably, the gas transmission pipe is a stainless steel metal hose.

Preferably, the pipe body is buried in the ground one meter away from the ground surface.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a gas pipeline anti-settling device, the whole pipeline adopts the shallow structure of burying, reduce the pressure of the soil horizon to the pipeline on every side, in addition, the pipeline that is close to resident's house and road ground all adopts stainless steel metal hose to combine the sleeve type installing support to connect, stainless steel metal hose has good elasticity, can the biggest subside upper and lower prestressing force that brings for the pipeline of ground and cushion, the sleeve pipe adopts multilayer structure to make, outer tube and interior sleeve pipe are the metal material, have certain hardness, can resist external impact and collision, have certain protective effect, the inner wall of interior sleeve pipe is equipped with the honeycomb layer that the metal mesh was woven and formed, combine the arc buffer layer that the inboard wall of honeycomb layer set firmly, can make the soil activity that ground subsides and cause alleviate the left and right extrusion force that the pipeline brought, adopt this device installation gas pipeline, the prestressing force that can the at utmost subside to the ground and bring for the pipeline releases and alleviates to play good protecting effect to the pipeline, strengthen the stability in use of gas pipeline, prolong the life of gas pipeline to a certain extent.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a section of a sleeve according to the present invention;

fig. 3 is a schematic top view of the casing according to the present invention.

In the figure: 1. a pipe body; 11. a gas delivery pipe; 12. a sleeve; 121. an outer sleeve; 122. an inner sleeve; 123. a honeycomb layer; 124. a buffer layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a gas pipeline anti-settling device, is including gas-supply pipe 11 and the sleeve pipe 12 that constitutes body 1, and sleeve pipe 12 cover is established in the outside of gas-supply pipe 11, and sleeve pipe 12 includes outer tube 121, interior sleeve pipe 122, honeycomb layer 123 and buffer layer 124, and outer tube 121, interior sleeve pipe 122, honeycomb layer 123 and buffer layer 124 are in proper order fixed connection together from outer to interior.

In the embodiment, the whole pipeline adopts a shallow buried structure, the pressure of the surrounding soil layer on the pipeline is reduced, in addition, the gas transmission pipes 11 close to residential houses and road foundations are all connected by adopting stainless steel metal hoses combined with sleeve type mounting brackets, the stainless steel metal hoses have good flexibility and can buffer the upper and lower prestress brought to the pipeline by the foundation settlement to the maximum extent, the sleeve 12 is made of a multilayer structure, the outer sleeve 121 and the inner sleeve 122 are both made of metal materials and have certain hardness and can resist the external impact and collision and have certain protection effect, the inner wall of the inner sleeve 122 is provided with a honeycomb layer 123 formed by weaving a metal net, and by combining an arc buffer layer 124 fixed on the inner side wall of the honeycomb layer 123, the left and right extrusion force brought to the pipeline by the soil movement caused by the foundation settlement can be relieved, the gas pipeline is installed by adopting the device, the prestressing force that can the at utmost subside to the ground and bring for the pipeline releases and alleviates to play good protecting effect to the pipeline, strengthen the stability in use of gas pipeline, prolong the life of gas pipeline to a certain extent.

Specifically, buffer layer 124 is hollow arc structure, certain extrusion deformation space has, the inner wall that combines interior sleeve pipe 122 is equipped with the honeycomb layer 123 that the metal mesh woven formation, can make the ground subside the soil property activity that causes and alleviate the left and right extrusion force that the pipeline brought, adopt this device installation gas pipeline, can be at utmost subside the ground and release and alleviate the prestressing force that brings for the pipeline, thereby play good protecting effect to the pipeline, strengthen the stability in use of gas pipeline, prolong the life of gas pipeline to a certain extent.

Specifically, honeycomb layer 123 is the honeycomb structure that the metal mesh woven formation, has good deformability and protectiveness, can also accelerate the inside circulation of air of sleeve pipe 12, and multilayer structure's sleeve pipe 12 has good protectiveness and heat insulating ability, avoids in winter, and the condition of frost crack appears in gas-supply pipe 11, strengthens gas-supply pipe 11's stability in use.

Specifically, the outer sleeve 121 and the inner sleeve 122 are made of metal alloy materials, and have good hardness, firmness, durability, and good impact resistance and extrusion resistance.

Specifically, the gas-supply pipe 11 is stainless steel metal collapsible tube, and metal collapsible tube has good elasticity, and the extrusion force that can furthest release the ground subsides and produce the pipeline.

Specifically, the pipe body 1 is buried in the ground one meter away from the ground surface, so that the pressure of the ground to the pipeline can be reduced.

The utility model discloses a theory of operation and use flow: when in use, a pit preset by a pipeline is planed at the position to be installed, then the outer side of the gas pipe 11 is sleeved with the sleeve pipe 12, then the gas pipe 11 sleeved with the sleeve pipe 12 is placed into the pit preset by planing, a plurality of pits are dug according to the arrangement of the pipeline, after the connection and the arrangement between the pipelines are completed, the pits are filled and buried to be level with the surrounding ground, then a layer of cement mortar is laid on the ground, and the arrangement and the installation of the gas pipe are completed, the utility model discloses a gas pipe anti-sedimentation device, the whole pipeline adopts a shallow buried structure, the pressure of the surrounding soil layer on the pipeline is reduced, in addition, the gas pipe 11 close to residents and road foundations are all connected by adopting a stainless steel metal hose combined with a sleeve type installation support, the stainless steel metal hose has good flexibility, the upper and lower prestress brought to the pipeline by the foundation sedimentation can be buffered to the maximum extent, sleeve pipe 12 adopts multilayer structure to make, outer tube 121 and interior sleeve pipe 122 are the metal material, certain hardness has, can resist external impact and collision, certain safeguard effect has, interior sleeve pipe 122's inner wall is equipped with the honeycomb layer 123 that the metal mesh woven formation, combine the arc buffer layer 124 that the honeycomb layer 123 inside wall set firmly, can make the soil property activity that the ground subsides the cause alleviate the left and right sides extrusion force that the pipeline brought, adopt this device installation gas pipeline, can the at utmost subside the ground and release and alleviate for the prestressing force that the pipeline brought, thereby play good safeguard effect to the pipeline, strengthen the stability in use of gas pipeline, prolong the life of gas pipeline to a certain extent.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a gas pipeline prevents subsiding device, includes gas-supply pipe (11) and sleeve pipe (12) of constituteing body (1), its characterized in that: sleeve pipe (12) cover is established the outside of gas-supply pipe (11), sleeve pipe (12) include outer tube (121), interior sleeve pipe (122), honeycomb layer (123) and buffer layer (124), outer tube (121) interior sleeve pipe (122) honeycomb layer (123) and buffer layer (124) are by outer to interior fixed connection together in proper order.

2. The gas pipeline anti-settling device of claim 1, wherein: the buffer layer (124) is of a hollow arc-shaped structure.

3. The gas pipeline anti-settling device of claim 1, wherein: the honeycomb layer (123) is a honeycomb structure formed by weaving metal nets.

4. The gas pipeline anti-settling device of claim 1, wherein: the outer sleeve (121) and the inner sleeve (122) are both made of metal alloy materials.

5. The gas pipeline anti-settling device of claim 1, wherein: the gas transmission pipe (11) is a stainless steel metal hose.

6. The gas pipeline anti-settling device of claim 1, wherein: the pipe body (1) is buried in the ground one meter away from the ground surface.