CN214197772U

CN214197772U - Natural gas pipeline with good corrosion resistance effect

Info

Publication number: CN214197772U
Application number: CN202022297280.0U
Authority: CN
Inventors: 孙世勇; 程敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-09-14
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a natural gas line that corrosion-resistant effect is good, which comprises a pipe body, body bottom fixedly connected with tray, tray bottom symmetry fixedly connected with backup pad, two the body below is equipped with the bottom plate, and bottom plate upper surface and four backup pad fixed connection, bottom plate upper surface center department fixedly connected with supporting seat, supporting seat top fixedly connected with dampproof device, the body is close to dampproof device's one end fixedly connected with sealing device, the spacing circular cone of a plurality of has been seted up to bottom plate lower surface equidistance, the utility model discloses can make natural gas line flange department obtain better protection and dry to the functional layer of pipeline design difference has promoted natural gas line's security performance, makes the safety obtain the guarantee, avoids taking place great potential safety hazard.

Description

Natural gas pipeline with good corrosion resistance effect

Technical Field

The utility model relates to a natural gas line technical field specifically is a natural gas line that corrosion-resistant effect is good.

Background

The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) 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 transmission pipeline; the natural gas pipeline is used for conveying natural gas, which is a way for conveying a large amount of natural gas on land; in the total length of pipelines in the world, natural gas pipelines account for about half; the pipeline is used for conveying in the conveying of the natural gas, the existing pipeline is conveyed by a stainless steel pipeline, and after a long time, the pipeline and a connecting flange are corroded by the external environment, so that the natural gas is leaked; although flange connection can safely maintain the air tightness of the pipeline, the flange connection is buried in soil for a long time, and the soil on the ground surface can deviate, so that the flange connection is damaged; therefore, the natural gas pipeline with good corrosion resistance is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a natural gas line that corrosion-resistant effect is good to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a natural gas line that corrosion-resistant effect is good, includes the body, body bottom fixedly connected with tray, the symmetrical fixedly connected with backup pad in tray bottom, two the body below is equipped with the bottom plate, and bottom plate upper surface and four backup pad fixed connection, bottom plate upper surface center department fixedly connected with supporting seat, supporting seat top fixedly connected with dampproof device, the body is close to dampproof device's one end fixedly connected with sealing device, the spacing circular cone of a plurality of has been seted up to bottom plate lower surface equidistance.

Preferably, the damp-proof device comprises an upper protective sleeve, a hinge, a lower protective sleeve, an upper connecting plate, a lower connecting plate, a rotating shaft, a limiting block, a twisting block and a limiting hole, wherein the top of the supporting seat is fixedly connected with the upper protective sleeve, the inner wall of the upper protective sleeve is respectively contacted with the two pipe bodies, one side of the top of the upper protective sleeve is fixedly connected with the hinge, the top of the upper protective sleeve is hinged with the lower protective sleeve through the hinge, the inner wall of the lower protective sleeve is respectively contacted with the two pipe bodies, one side of the lower protective sleeve far away from the hinge is fixedly connected with the upper connecting plate, one side of the upper protective sleeve far away from the hinge is fixedly connected with the lower connecting plate, the bottom of the upper connecting plate is contacted with the lower connecting plate, the center of the top of the lower connecting plate is rotatably connected with the rotating shaft through a damping bearing, the top of the rotating shaft is fixedly connected with the limiting block, and the top of the limiting block is fixedly connected with the twisting block, a limiting hole is formed in the center of the upper connecting plate, and the top of the rotating shaft penetrates through the limiting hole.

Preferably, sealing device includes ring flange, bolt, nut, spacing ring, annular rubber gasket and annular spacing groove, the body is close to dampproof device's one end fixedly connected with ring flange, two a plurality of through-hole, two cooperatees are seted up to the inside impartial distance of ring flange a plurality of through-hole, and two cooperatees the through-hole inner wall is pegged graft and is had the bolt, the one end threaded connection of bolt has the nut, the inboard fixedly connected with spacing ring of ring flange, two be equipped with annular rubber gasket between the spacing ring, annular rubber gasket bilateral symmetry has seted up annular spacing groove, and just spacing ring is pegged graft with annular spacing groove.

Preferably, the inner sections of the upper protective sleeve and the lower protective sleeve are both arc-shaped, and rubber pads are mounted on the inner walls of the upper protective sleeve and the lower protective sleeve.

Preferably, stopper and spacing hole all are rectangle form, the width in stopper and spacing hole equals, and the length in spacing hole is greater than the length of stopper.

Preferably, body surface fixed mounting has the anticorrosion layer, and the anticorrosion layer is the epoxy material, anticorrosion layer surface fixed connection has fire-retardant layer, and fire-retardant layer material is the aluminium silicate material, fire-retardant layer surface fixed connection has dampproofing wearing layer, and dampproofing wearing layer is the pitch material.

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

the anti-corrosion layer, the flame-retardant layer and the moisture-proof wear-resistant layer fixed outside the pipe body respectively bring good corrosion resistance, heat resistance, flame retardance and moisture-proof wear resistance to the pipe body; in addition, the bottom plate is pricked into the soil through a plurality of limiting cones which are distributed at equal intervals at the bottom, the bottom plate is fixedly installed with the soil, the moisture-proof device is fixed on the upper surface of the bottom plate, the sealing device at the joint of the two pipe bodies is protected and moisture-proof, in the installation process, the sealing device is firstly installed, the annular rubber gasket is hung on the limiting circular ring through the annular limiting groove on one side, then the other flange plate is aligned to the annular rubber gasket, the bolt sequentially penetrates through the through hole, the nut is screwed until the annular rubber gasket is clamped by the limiting circular rings on the two sides, and the installation of the sealing device is completed; then a damp-proof device is installed, the lower protective sleeve rotates by taking the hinge as a circle center, the lower protective sleeve is closed with the upper protective sleeve, the rubber pad is contacted, the upper protective sleeve and the lower protective sleeve are relatively sealed, then the rotating block rotates by ninety degrees, the limiting hole cannot move upwards, the upper connecting plate is attached to the lower connecting plate, the upper protective sleeve and the lower protective sleeve are kept in a closed state, and finally soil is buried around the integral natural gas pipeline; the utility model discloses can make natural gas line flange department obtain better protection and dry to different functional layers have been promoted natural gas line's security performance to the pipeline design, make safety obtain the guarantee, avoid taking place great potential safety hazard.

Drawings

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

FIG. 2 is a second schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure of the position limiting block of the present invention;

FIG. 4 is a schematic view of the upper protective cover of the present invention;

FIG. 5 is a schematic view of the sealing device of the present invention;

FIG. 6 is a second schematic view of the sealing device of the present invention;

FIG. 7 is a schematic view of the flange structure of the present invention;

FIG. 8 is a schematic structural view of the annular rubber gasket of the present invention;

fig. 9 is a schematic view of the sectional structure of the tube body of the present invention.

In the figure: 1. a pipe body; 2. a tray; 3. a support plate; 4. a base plate; 5. a supporting seat; 6. a moisture barrier; 61. an upper protective sleeve; 62. a hinge; 63. a lower protective sleeve; 64. an upper connecting plate; 65. a lower connecting plate; 66. a rotating shaft; 67. a limiting block; 68. a twisting block; 69. a limiting hole; 7. a sealing device; 71. a flange plate; 72. a bolt; 73. a nut; 74. a limiting ring; 75. an annular rubber gasket; 76. an annular limiting groove; 8. a limiting cone; 9. an anti-corrosion layer; 10. a flame retardant layer; 11. a moisture-proof wear-resistant 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 and 5, a natural gas pipeline with a good corrosion resistance effect in the drawings comprises a pipe body 1, a tray 2 is fixedly connected to the bottom of the pipe body 1, supporting plates 3 are symmetrically and fixedly connected to the bottom of the tray 2, a bottom plate 4 is arranged below two pipe bodies 1, the upper surface of the bottom plate 4 is fixedly connected with the four supporting plates 3, a supporting seat 5 is fixedly connected to the center of the upper surface of the bottom plate 4, a damp-proof device 6 is fixedly connected to the top of the supporting seat 5, a sealing device 7 is fixedly connected to one end, close to the damp-proof device 6, of the pipe body 1, and a plurality of limiting cones 8 are equidistantly arranged on the lower surface of the bottom plate 4.

Referring to fig. 1, 2, 3 and 4, the moisture-proof device 6 includes an upper protective sleeve 61, a hinge 62, a lower protective sleeve 63, an upper connecting plate 64, a lower connecting plate 65, a rotating shaft 66, a limiting block 67, a torsion block 68 and a limiting hole 69, the top of the supporting seat 5 is fixedly connected with the upper protective sleeve 61, the inner wall of the upper protective sleeve 61 is respectively contacted with the two tubes 1, one side of the top of the upper protective sleeve 61 is fixedly connected with the hinge 62, the top of the upper protective sleeve 61 is hinged with the lower protective sleeve 63 through the hinge 62, the inner wall of the lower protective sleeve 63 is respectively contacted with the two tubes 1, one side of the lower protective sleeve 63 far away from the hinge 62 is fixedly connected with the upper connecting plate 64, one side of the upper protective sleeve 61 far away from the hinge 62 is fixedly connected with the lower connecting plate 65, the bottom of the upper connecting plate 64 is contacted with the lower connecting plate 65, the center of the top of the lower connecting plate 65 is rotatably connected with the rotating shaft 66 through a damping bearing, the top of the rotating shaft 66 is fixedly connected with a limiting block 67, the top of the limiting block 67 is fixedly connected with a twisting block 68, the center of the upper connecting plate 64 is provided with a limiting hole 69, the top of the rotating shaft 66 penetrates through the limiting hole 69, the upper connecting plate 64 is in contact with the lower connecting plate 65 during installation, the rotating shaft 66, the limiting block 67 and the twisting block 68 penetrate through the limiting hole 69 and then rotate the twisting block 68 ninety degrees, so that the limiting block 67 rotates ninety degrees, the upper connecting plate 64 cannot move, and the upper protective sleeve 61 and the lower protective sleeve 63 are locked.

Referring to fig. 5, 6, 7 and 8, the sealing device 7 includes a flange 71, a bolt 72, a nut 73, a limit ring 74, an annular rubber gasket 75 and an annular limit groove 76, one end of the pipe body 1 near the moisture-proof device 6 is fixedly connected with the flange 71, a plurality of through holes are equally spaced in the two flanges 71, the bolts 72 are inserted into the inner walls of the two matched through holes, one end of the bolt 72 is connected with the nut 73 through a thread, the limit ring 74 is fixedly connected to the inner side of the flange 71, the annular rubber gasket 75 is arranged between the two limit rings 74, the annular limit grooves 76 are symmetrically arranged on two sides of the annular rubber gasket 75, the limit ring 74 is inserted into the annular limit groove 76, the annular rubber gasket 75 is hung on the limit ring 74 through the annular limit groove 76 on one side during installation, and then the other flange 71 is aligned with the annular rubber gasket 75, the bolts 72 are sequentially inserted through the through holes, and the nuts 73 are tightened until the annular rubber gaskets 75 are clamped by the limit rings 74 on both sides, thereby completing the installation of the sealing device 7.

Referring to fig. 4, the inner sections of the upper protective sleeve 61 and the lower protective sleeve 63 are both arc-shaped, and rubber pads are mounted on the inner walls of the upper protective sleeve 61 and the lower protective sleeve 63, so that the inner walls 63 of the upper protective sleeve 61 and the lower protective sleeve are kept dry.

Referring to fig. 3, the limiting block 67 and the limiting hole 69 are rectangular, the width of the limiting block 67 is equal to that of the limiting hole 69, and the length of the limiting hole 69 is greater than that of the limiting block 67, so that the upper connecting plate 64 and the lower connecting plate 65 are locked when the limiting block 67 rotates ninety degrees.

Referring to fig. 9, an anti-corrosion layer 9 is fixedly mounted on an outer surface of the pipe body 1, the anti-corrosion layer 9 is made of epoxy resin, a flame retardant layer 10 is fixedly connected to an outer surface of the anti-corrosion layer 9, the flame retardant layer 10 is made of aluminum silicate, a moisture-proof wear-resistant layer 11 is fixedly connected to an outer surface of the flame retardant layer 10, the moisture-proof wear-resistant layer 11 is made of asphalt, and the anti-corrosion layer 9, the flame retardant layer 10 and the moisture-proof wear-resistant layer 11 respectively provide the pipe body 1 with good corrosion resistance, heat resistance, flame retardancy and moisture-proof wear resistance.

The working principle is as follows: the anti-corrosion layer 9, the flame-retardant layer 10 and the moisture-proof wear-resistant layer 11 fixed outside the pipe body 1 respectively bring good corrosion resistance, heat resistance, flame retardance and moisture-proof wear resistance to the pipe body 1; in addition, the bottom plate 4 is pricked into the soil through a plurality of limiting cones 8 which are distributed at equal intervals at the bottom, the bottom plate is fixedly installed with the soil, the moisture-proof device 6 is fixed on the upper surface of the bottom plate 4, the sealing device 7 at the joint of the two pipe bodies 1 is protected and moisture-proof, in the installation process, the sealing device 7 is firstly installed, the annular rubber gasket 75 is hung on the limiting circular ring 74 through the annular limiting groove 76 at one side, then the other flange 71 is aligned with the annular rubber gasket 75, the bolt 72 sequentially penetrates through the through hole, the nut 73 is screwed until the annular rubber gasket 75 is clamped by the limiting circular rings 74 at the two sides, and the installation of the sealing device 7 is completed; then install dampproof device 6, lower protective sheath 63 uses hinge 62 to rotate as the centre of a circle, make lower protective sheath 63 and last protective sheath 61 close, the rubber pad contact, it is comparatively airtight in protective sheath 61 and the lower protective sheath 63 to make, then rotate and turn round piece 68 rotation ninety degrees, spacing hole 69 can not upwards move again, and then upper junction plate 64 can not upwards move again, make upper junction plate 64 and lower connecting plate 65 laminate, thereby make upper protective sheath 61 and lower protective sheath 63 keep closing the state, bury soil at last and cover around whole natural gas line.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 natural gas line that corrosion resistance is effectual, includes body (1), its characterized in that: body (1) bottom fixedly connected with tray (2), tray (2) bottom symmetry fixedly connected with backup pad (3), two body (1) below is equipped with bottom plate (4), and bottom plate (4) upper surface and four backup pad (3) fixed connection, bottom plate (4) upper surface center department fixedly connected with supporting seat (5), supporting seat (5) top fixedly connected with dampproof device (6), body (1) is close to one end fixedly connected with sealing device (7) of dampproof device (6), the equidistant spacing circular cone of a plurality of (8) of bottom plate (4) lower surface has been seted up.

2. The natural gas pipeline with good corrosion resistance as claimed in claim 1, wherein: the damp-proof device (6) comprises an upper protective sleeve (61), a hinge (62), a lower protective sleeve (63), an upper connecting plate (64), a lower connecting plate (65), a rotating shaft (66), a limiting block (67), a torsion block (68) and a limiting hole (69), the top of the supporting seat (5) is fixedly connected with the upper protective sleeve (61), the inner wall of the upper protective sleeve (61) is respectively contacted with the two pipe bodies (1), one side of the top of the upper protective sleeve (61) is fixedly connected with the hinge (62), the top of the upper protective sleeve (61) is hinged with the lower protective sleeve (63) through the hinge (62), the inner wall of the lower protective sleeve (63) is respectively contacted with the two pipe bodies (1), one side of the lower protective sleeve (63) far away from the hinge (62) is fixedly connected with the upper connecting plate (64), one side of the upper protective sleeve (61) far away from the hinge (62) is fixedly connected with the lower connecting plate (65), and upper junction plate (64) bottom contacts with lower connecting plate (65), connecting plate (65) top center department rotates through the damping bearing and is connected with pivot (66) down, pivot (66) top fixedly connected with stopper (67), stopper (67) top fixedly connected with twists reverse piece (68), upper junction plate (64) center department has seted up spacing hole (69), and pivot (66) top passes spacing hole (69).

3. The natural gas pipeline with good corrosion resistance as claimed in claim 2, wherein: sealing device (7) are including ring flange (71), bolt (72), nut (73), spacing ring (74), annular rubber gasket (75) and annular spacing groove (76), body (1) is close to one end fixedly connected with ring flange (71) of dampproof device (6), two a plurality of through-hole has been seted up to the inside impartial distance of ring flange (71), two cooperatees the through-hole inner wall is pegged graft and is had bolt (72), the one end threaded connection of bolt (72) has nut (73), the inboard fixedly connected with spacing ring (74) of ring flange (71), two be equipped with annular rubber gasket (75) between spacing ring (74), annular spacing groove (76) have been seted up to annular rubber gasket (75) bilateral symmetry, and spacing ring (74) are pegged graft with annular spacing groove (76).

4. The natural gas pipeline with good corrosion resistance as claimed in claim 2, wherein: go up protective sheath (61) and protective sheath (63) inside cross-section down and be the circular arc type, and go up protective sheath (61) and protective sheath (63) inner wall down and all install the rubber pad.

5. The natural gas pipeline with good corrosion resistance as claimed in claim 2, wherein: stopper (67) and spacing hole (69) all are rectangle form, the width of stopper (67) and spacing hole (69) is equal, and the length in spacing hole (69) is greater than the length of stopper (67).

6. The natural gas pipeline with good corrosion resistance as claimed in claim 3, wherein: the pipe body (1) surface fixed mounting has anti-corrosion coating (9), and anti-corrosion coating (9) are the epoxy material, anti-corrosion coating (9) surface fixed connection has fire-retardant layer (10), and fire-retardant layer (10) material is the aluminium silicate material, fire-retardant layer (10) surface fixed connection has dampproofing wearing layer (11), and dampproofing wearing layer (11) are the pitch material.