CN217784490U

CN217784490U - Connect high and resistant effectual natural gas line of waiting of leakproofness

Info

Publication number: CN217784490U
Application number: CN202221201703.7U
Authority: CN
Inventors: 石德旺
Original assignee: Qinshui Haokun Coalbed Methane Co ltd
Current assignee: Qinshui Haokun Coalbed Methane Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-11-11
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a connect high and resistant effectual natural gas line of waiting of leakproofness, including first connecting pipe and second connecting pipe, the top fixedly connected with fixed disk on first connecting pipe surface, the bottom of second connecting pipe extends to the inner chamber of fixed disk, the bottom fixedly connected with mounting disc on second connecting pipe surface. The utility model discloses a first connecting pipe, the second connecting pipe, the fixed disk, the mounting disc, the screw rod, fixation nut, first sealing washer, the second sealing washer, natural gas leakage detector, the basic unit, the heat preservation, weather resistant layer, the cooperation of first composite bed and second composite bed is used, possess the advantage that leakage alarm and weatherability are high, the function of leakage alarm has not been equipped with to current natural gas line has been solved, the connection leakproofness of pipeline can reduce along with the ageing of sealing member, the leakproofness can descend when using for a long time, and weather resistance is relatively poor, thereby can't satisfy the problem of in-service use demand.

Description

Connect high and resistant effectual natural gas line of waiting of leakproofness

Technical Field

The utility model relates to a natural gas line technical field specifically is a connect high and the weather resistant effectual natural gas line of leakproofness.

Background

The natural gas pipeline is a pipeline for conveying natural gas (including associated gas produced in oil fields) from a mining place or a processing plant to an urban gas distribution center or an industrial enterprise user, and is also called a gas conveying pipeline.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect high and weather-resistant effectual natural gas line of leakproofness, possess the advantage that leakage warning and weatherability are high, solved current natural gas line and did not possess the function of leakage warning, the connection leakproofness of pipeline can reduce along with the ageing of sealing member, and the leakproofness can descend when using for a long time, and weather resistance is relatively poor moreover to can't satisfy the problem of in-service use demand.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a connect high and resistant effectual natural gas line of waiting of leakproofness, includes first connecting pipe and second connecting pipe, the top fixedly connected with fixed disk on first connecting pipe surface, the bottom of second connecting pipe extends to the inner chamber of fixed disk, the bottom fixedly connected with mounting disc on second connecting pipe surface, the equal fixedly connected with screw rod in both sides of mounting disc bottom, the bottom of screw rod is run through to the bottom and the threaded connection of fixed disk and is had fixation nut, the bottom of mounting disc just is located the first sealing washer of one side fixedly connected with that the screw rod is relative, the fixed surface of mounting disc is connected with the second sealing washer, the both sides of fixed disk all run through and are provided with natural gas leakage detector, first connecting pipe includes the basic unit, the fixed surface of basic unit is connected with the heat preservation, the fixed surface of heat preservation is connected with resistant layer, resistant surface of layer is connected with first composite bed, the fixed surface of first composite bed is connected with the second composite bed.

Preferably, openings matched with the screw rod for use are formed in two sides of the bottom of the fixed disk, and the surface of the first sealing ring is in contact with the inner wall of the fixed disk.

Preferably, the base layer is made of low alloy steel, and the heat preservation layer is made of rock wool.

Preferably, the weather-resistant layer is made of epoxy coal tar pitch, and the first composite layer is made of epoxy powder.

Preferably, the second composite layer is made of polyethylene, and the thicknesses of the first composite layer and the second composite layer are the same.

Preferably, the first connecting pipe and the second connecting pipe are made of the same material, and the surface of the second sealing ring is in contact with the inner wall of the fixed disc.

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

1. the utility model discloses a first connecting pipe, the second connecting pipe, the fixed disk, the mounting disc, the screw rod, fixation nut, first sealing washer, the second sealing washer, natural gas leakage detector, the basic unit, the heat preservation, weather resistant layer, the cooperation of first composite bed and second composite bed is used, possess the advantage that leakage alarm and weatherability are high, the function of leakage alarm has not been equipped with to current natural gas line has been solved, the connection leakproofness of pipeline can reduce along with the ageing of sealing member, the leakproofness can descend when using for a long time, and weather resistance is relatively poor, thereby can't satisfy the problem of in-service use demand.

2. The utility model discloses a set up the heat preservation and adopt the rock wool material, can improve the heat preservation and heat insulation properties of first connecting pipe, the effectual conduction that reduces external temperature in the pipeline, adopt epoxy coal pitch material through setting up resistant layer of waiting, can improve the weatherability of first connecting pipe, reduce the influence that the sudden change in difference in temperature brought to the pipeline material, adopt the epoxy powder material through setting up first composite bed, can improve the corrosion resisting property of first connecting pipe, effectively reduce the corruption influence that external corrosive substance produced to the pipeline, adopt the polyethylene material through setting up the second composite bed, can further improve the corrosion resisting property of first connecting pipe, prolong its life.

Drawings

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

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a schematic view of the material composition of the first connecting tube according to the present invention.

In the figure: 1. a first connecting pipe; 2. a second connection pipe; 3. fixing the disc; 4. mounting a disc; 5. a screw; 6. fixing a nut; 7. a first seal ring; 8. a second seal ring; 9. a natural gas leakage detector; 101. a base layer; 102. a heat-insulating layer; 103. a weatherable layer; 104. a first composite layer; 105. a second composite 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, a natural gas pipeline with high connection sealing performance and good weather resistance effect comprises a first connection pipe 1 and a second connection pipe 2, wherein the top of the surface of the first connection pipe 1 is fixedly connected with a fixed disc 3, the bottom of the second connection pipe 2 extends to the inner cavity of the fixed disc 3, the bottom of the surface of the second connection pipe 2 is fixedly connected with an installation disc 4, both sides of the bottom of the installation disc 4 are fixedly connected with screw rods 5, the bottom of the screw rods 5 penetrates through to the bottom of the fixed disc 3 and is in threaded connection with fixing nuts 6, the bottom of the installation disc 4 and the side opposite to the screw rods 5 are fixedly connected with first seal rings 7, the surface of the installation disc 4 is fixedly connected with second seal rings 8, both sides of the fixed disc 3 are respectively penetrated with natural gas leakage detectors 9, the first connection pipe 1 comprises a base layer 101, the surface of the base layer 101 is fixedly connected with a heat insulation layer 102, and the heat insulation layer 102 is made of rock wool, the heat insulation performance of the first connecting pipe 1 can be improved, the conduction of external temperature in the pipeline can be effectively reduced, the weather-resistant layer 103 is fixedly connected to the surface of the heat insulation layer 102, the weather-resistant layer 103 is made of epoxy coal tar pitch, the weather-resistant performance of the first connecting pipe 1 can be improved, the influence of temperature difference shock on the pipeline material can be reduced, the first composite layer 104 is fixedly connected to the surface of the weather-resistant layer 103, the corrosion resistance of the first connecting pipe 1 can be improved by arranging the first composite layer 104 made of epoxy powder, the corrosion influence of external corrosive substances on the pipeline can be effectively reduced, the second composite layer 105 is fixedly connected to the surface of the first composite layer 104, the corrosion resistance of the first connecting pipe 1 can be further improved by arranging the second composite layer 105 made of polyethylene, and the service life of the first connecting pipe 1 can be prolonged, openings matched with the screw rod 5 are formed in two sides of the bottom of the fixed disc 3, the surface of the first sealing ring 7 is in contact with the inner wall of the fixed disc 3, the base layer 101 is made of low alloy steel, the heat insulation layer 102 is made of rock wool, the weather-resistant layer 103 is made of epoxy coal tar pitch, the first composite layer 104 is made of epoxy powder, the second composite layer 105 is made of polyethylene, the thickness of the first composite layer 104 is the same as that of the second composite layer 105, the first connecting pipe 1 is made of the same material as that of the second connecting pipe 2, the surface of the second sealing ring 8 is in contact with the inner wall of the fixed disc 3, the first connecting pipe 1, the second connecting pipe 2, the fixed disc 3, the mounting disc 4, the screw rod 5, the fixing nut 6, the first sealing ring 7, the second sealing ring 8, the natural gas leakage detector 9, the base layer 101, the heat insulation layer 102, the weather-resistant layer 103, the first composite layer 104 and the second composite layer 105 are matched for use, the leakage alarm and the weather-resistant composite layer has the advantages of high weather-proof alarm and solves the problem that the existing natural gas pipeline does not have the leakage alarm function, the leakage alarm function of the pipeline can be reduced along with aging of the sealing piece, and the sealing performance of the sealing in the long-proof composite layer, thereby the problem that the actual use requirement cannot be met in the long-proof composite layer.

During the use, heat preservation 102 adopts the rock wool material, can improve the heat preservation heat-proof quality of first connecting pipe 1, the effectual conduction that reduces the interior ambient temperature of pipeline, resistant layer 103 adopts the epoxy coal pitch material, can improve the weatherability of first connecting pipe 1, reduce the influence that the sudden change of temperature difference brought the pipeline material, first composite bed 104 adopts the epoxy powder material, can improve the corrosion resisting property of first connecting pipe 1, effectively reduce the corrosion effect of external corrosive substance to the pipeline production, second composite bed 105 adopts the polyethylene material, can further improve the corrosion resisting property of first connecting pipe 1, prolong its life, simultaneously, when having gas leakage between first connecting pipe 1 and the second connecting pipe 2, detect the gas of leaking through natural gas leakage detector 9, when the figure is greater than the setting value, natural gas leakage detector 9 reminds operating personnel with signal conduction to external control terminal, the convenience is overhauld in time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connect high and weather resistant effectual natural gas line of leakproofness, includes first connecting pipe (1) and second connecting pipe (2), its characterized in that: the utility model discloses a weather resistant composite layer, including first connecting pipe (1), top fixedly connected with fixed disk (3) on first connecting pipe (1) surface, the bottom of second connecting pipe (2) extends to the inner chamber of fixed disk (3), bottom fixedly connected with mounting disc (4) on second connecting pipe (2) surface, the equal fixedly connected with screw rod (5) in both sides of mounting disc (4) bottom, the bottom and the threaded connection of screw rod (5) run through to the bottom of fixed disk (3) have fixation nut (6), the bottom of mounting disc (4) just is located screw rod (5) relative one side fixedly connected with first sealing washer (7), the fixed surface of mounting disc (4) is connected with second sealing washer (8), the both sides of fixed disk (3) all run through and are provided with natural gas leakage detector (9), first connecting pipe (1) is including basic unit (101), the fixed surface of basic unit (101) is connected with heat preservation (102), the fixed surface of heat preservation (102) is connected with weather resistant layer (103), the fixed surface of weather resistant layer (103) is connected with first composite layer (104), the fixed surface of first composite layer (104) is connected with second composite layer (105).

2. The natural gas pipeline with high connection sealing performance and good weather resistance as claimed in claim 1, wherein: the opening that cooperation screw rod (5) used is all seted up to the both sides of fixed disk (3) bottom, the surface of first sealing washer (7) contacts with the inner wall of fixed disk (3).

3. The natural gas pipeline with high connection sealing performance and good weather resistance as claimed in claim 1, wherein: the base layer (101) is made of low alloy steel, and the heat insulation layer (102) is made of rock wool.

4. The natural gas pipeline with high connection sealing performance and good weather resistance as claimed in claim 1, wherein: the weather-resistant layer (103) is made of epoxy coal tar pitch, and the first composite layer (104) is made of epoxy powder.

5. The natural gas pipeline with high connection sealing performance and good weather resistance as claimed in claim 1, wherein: the second composite layer (105) is made of polyethylene, and the thicknesses of the first composite layer (104) and the second composite layer (105) are the same.

6. The natural gas pipeline with high connection sealing performance and good weather resistance as claimed in claim 1, wherein: the first connecting pipe (1) is made of the same material as the second connecting pipe (2), and the surface of the second sealing ring (8) is in contact with the inner wall of the fixed disc (3).