CN211624868U

CN211624868U - Buried structure of natural gas tetrahydrothiophene adding device

Info

Publication number: CN211624868U
Application number: CN202020217481.2U
Authority: CN
Inventors: 王林
Original assignee: Jiujiang Natural Gas Co ltd
Current assignee: Jiujiang Natural Gas Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-10-02
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a natural gas tetrahydrothiophene adds buried structure of device belongs to the natural gas and adds smelly technical field, its technical scheme main points are, including natural gas pipe, the filling tube, the flange, sleeve pipe and two semicircle pipes, the natural gas pipe level is buried in the underground, the vertical fixed connecting pipe that is provided with of its lateral wall, the filling tube passes through flange coaxial coupling with the connecting pipe and is in the same place, natural gas pipe, connecting pipe and filling tube link up each other, the top of sleeve pipe lateral wall is along being provided with the first flange that is "disc" form along radial, two draw-in grooves have been radially seted up to the up end of first flange, two draw-in grooves are located same straight line and symmetry each other to the one end that two draw-in grooves are close to each other all extends to sheathed. The buried structure of the natural gas tetrahydrothiophene adding device is very convenient for subsequent overhaul of the pipeline, and effectively slows down the aging of the buried pipeline.

Description

Buried structure of natural gas tetrahydrothiophene adding device

Technical Field

The utility model relates to a natural gas adds smelly technical field, specifically is a natural gas tetrahydrothiophene adds burying ground structure of device.

Background

Tetrahydrothiophene is a very common natural gas odorizing agent, and natural gas odorizing usually adopts a drop-in method, namely, a tetrahydrothiophene storage tank is connected with a natural gas pipe by using a pipeline, the tetrahydrothiophene is injected into the natural gas pipe in a liquid drop or fine liquid flow state by means of a pressure pump and a valve, and then the tetrahydrothiophene is evaporated and mixed with a gas flow to realize odorizing the natural gas.

In a part of gas distribution stations, natural gas pipelines are all buried underground, so that a part of tetrahydrothiophene injection pipes for natural gas odorizing are also buried underground, and the connection points of the natural gas pipelines and the tetrahydrothiophene injection pipes are also located underground.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a natural gas tetrahydrothiophene adds burying ground structure of device, this kind of natural gas tetrahydrothiophene adds burying ground structure of device and is convenient for follow-up maintenance to the pipeline very to the ageing of burying ground pipeline has been slowed down effectively.

The above technical purpose of the present invention can be achieved by the following technical solutions: a buried structure of a natural gas tetrahydrothiophene adding device comprises a natural gas pipe, an injection pipe, a flange, a sleeve pipe and two semicircular pipes, wherein the natural gas pipe is horizontally buried underground, the side wall of the injection pipe is vertically and fixedly provided with a connecting pipe, the injection pipe and the connecting pipe are coaxially connected together through the flange, the natural gas pipe, the connecting pipe and the injection pipe are communicated with each other, the top of the side wall of the sleeve is provided with a first flange in a disc shape along the radial direction, the upper end surface of the first flange is provided with two clamping grooves along the radial direction, the two clamping grooves are positioned on the same straight line and are mutually symmetrical, one ends of the two clamping grooves, which are close to each other, extend to the inner wall of the sleeve, the sleeve is coaxially sleeved outside the injection pipe and the connecting pipe, the bottom of the sleeve is welded with the natural gas pipe, and the first flange extends out of the ground; two the semicircle pipe combination is "pipe" form, every the top of semicircle pipe lateral wall all is provided with along radial the second flange that is "semicircle dish" form, two the second flange combination is "disc" form, every the side of second flange all is provided with fixture block, two the fixture block is located same straight line and mutual symmetry, two "pipe" column structure that the semicircle pipe is constituteed closely cup joints the outer wall of injection pipe, two "disc" column structure seamless embedding that the second flange is constituteed sets up sheathed tube last port, two the fixture block is seamless embedding respectively sets up two the inside of draw-in groove.

Furthermore, handles are fixedly mounted on the upper end faces of the two second flanges.

Furthermore, the opposite surfaces of the two semicircular pipes and the two second flanges are tightly attached with sealing gaskets.

Furthermore, the upper end surfaces of the first flange, the second flange and the fixture block are flush with the ground.

Furthermore, the sleeve, the first flange, the semicircular pipe, the second flange and the fixture block are all made of carbon steel coated with anticorrosive materials.

To sum up, the utility model discloses following beneficial effect has:

this kind of natural gas tetrahydrothiophene adds buried structure of device, a sleeve pipe is cup jointed through the outside at the injection pipe, the realization is kept apart injection pipe and natural gas pipe's connection structure and soil, and sheathed tube last port is by the semicircle pipe, the structure that second flange and fixture block are constituteed is firmly plugged up, thereby make buried injection pipe and pipeline connection structure be in seal and not with the space of soil direct contact, whole structure ten minutes is convenient for follow-up maintenance to pipeline and pipeline connection structure, and the ageing of buried pipeline and connection structure has been slowed down effectively.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged detailed block diagram of FIG. 1A;

fig. 3 is an exploded view of the outer and inner sleeves of the present invention.

In the figure: 1. a natural gas pipe; 101. a connecting pipe; 2. an injection pipe; 3. a flange; 4. a sleeve; 401. a first flange; 4011. a card slot; 5. a semicircular tube; 501. a second flange; 502. a clamping block; 503. a handle; 504. and a gasket.

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 buried structure of a natural gas tetrahydrothiophene adding device comprises a natural gas pipe 1, an injection pipe 2, a flange 3, a sleeve 4 and two semicircular pipes 5, wherein the natural gas pipe 1 is horizontally buried underground, a connecting pipe 101 is vertically and fixedly arranged on the side wall of the natural gas pipe 1, the injection pipe 2 and the connecting pipe 101 are coaxially connected together through the flange 3, the natural gas pipe 1, the connecting pipe 101 and the injection pipe 2 are mutually communicated, a first flange 401 in a disc shape is radially arranged on the top of the side wall of the sleeve 4, two clamping grooves 4011 are radially arranged on the upper end surface of the first flange 401, the two clamping grooves 4011 are positioned on the same straight line and are mutually symmetrical, one ends of the two clamping grooves 4011, which are close to each other, extend to the inner wall of the sleeve 4, the sleeve 4 is coaxially sleeved outside the injection pipe 2 and the connecting pipe 101, and the bottom of the, the first flange 401 protrudes out of the ground; the combination of two semicircle pipes 5 is "pipe" form, the top of 5 lateral walls of every semicircle pipe all is provided with along radial the second flange 501 that is "semicircle dish" form, the combination of two second flanges 501 is "disc" form, the side of every second flange 501 all is provided with fixture block 502 along radial, two fixture blocks 502 are located same straight line and mutual symmetry, the "pipe" column structure that two semicircle pipes 5 are constituteed closely cup joints the outer wall at injection pipe 2, the seamless embedding of "disc" column structure that two second flanges 501 are constituteed sets up the up end at sleeve pipe 4, two fixture blocks 502 are seamless embedding respectively and are set up the inside at two draw-in grooves 4011.

Through the technical scheme, the injection pipe 2, the connecting pipe 101 and the flange 3 are isolated from soil through the sleeve 4, the upper port of the sleeve 4 is firmly blocked by the semicircular pipe 5, the structure formed by the second flange 501 and the fixture block 502, the injection pipe 2 can extend out of the ground along the circular pipe-shaped structure formed by the two semicircular pipes 5, at the moment, the injection pipe 2, the connecting pipe 101 and the flange 3 which are positioned underground are positioned in a closed space which is not in direct contact with the soil, the whole structure is very convenient for follow-up maintenance of the injection pipe 2, the connecting pipe 101 and the flange 3, and the aging of a buried pipeline and a connecting structure is effectively slowed down;

when the structure in the sleeve pipe 4 needs to be overhauled, earlier mention two vertical upwards of second flange 501, make fixture block 502 no longer imbed in draw-in groove 4011, the "disc" column structure that two second flanges 501 constitute simultaneously also no longer imbeds in the inside of sleeve pipe 4, then treat two semicircle pipes 5 and all follow the sleeve pipe 4 in after proposing completely, part and place two semicircle pipes 5 on one side, the last port of sleeve pipe 4 no longer is the shutoff this moment, operating personnel can be direct-viewing and conveniently to the injection pipe 2 in the sleeve pipe 4, connecting pipe 101 and flange 3 observe and overhaul.

Further, referring to fig. 1 and fig. 3, a handle 503 is fixedly installed on the upper end surfaces of the two second flanges 501, and the semicircular tube 5, the second flanges 501 and the fixture block 502 can be lifted up by the handle 503.

Further, referring to fig. 2 and 3, the two semicircular tubes 5 and the two second flanges 501 are tightly attached with the sealing gaskets 504 on the opposite surfaces thereof, so that the two semicircular tubes 5, the two second flanges 501, and the semicircular tubes 5 are more tightly attached with the injection tube 2.

Further, please refer to fig. 1, the upper end surfaces of the first flange 401, the second flange 501 and the fixture block 502 are all flush with the ground, so as to avoid the utility model discloses after the installation is finished, the uneven "step" structure is generated on the ground, which is more beautiful and does not have potential safety hazard.

Further, sleeve pipe 4, first flange 401, semicircle pipe 5, second flange 501 and fixture block 502 are the carbon steel material that scribbles anticorrosive material, and the carbon steel material has the advantage that the cost is cheap, be convenient for processing, non-deformable, scribbles anticorrosive material after, can further slow down ageing, prolonged the utility model discloses a life.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a natural gas tetrahydrothiophene adds buried structure of device, includes natural gas pipe (1), injection pipe (2), flange (3), sleeve pipe (4) and two semicircle pipes (5), natural gas pipe (1) level is buried in the underground, and the vertical fixed connecting pipe (101) that are provided with of its lateral wall, injection pipe (2) with connecting pipe (101) pass through flange (3) coaxial coupling together, natural gas pipe (1) connecting pipe (101) with injection pipe (2) link up its characterized in that each other:

the top of the side wall of the sleeve (4) is provided with a first flange (401) in a disc shape along the radial direction, the upper end surface of the first flange (401) is provided with two clamping grooves (4011) along the radial direction, the two clamping grooves (4011) are positioned on the same straight line and are symmetrical to each other, one ends, close to each other, of the two clamping grooves (4011) extend to the inner wall of the sleeve (4), the sleeve (4) is coaxially sleeved outside the injection pipe (2) and the connecting pipe (101), the bottom of the sleeve (4) is welded with the natural gas pipe (1), and the first flange (401) extends out of the ground;

two semicircle pipe (5) combination is "pipe" form, every the top of semicircle pipe (5) lateral wall all is provided with along radial second flange (501) that are "semicircle dish" form, two second flange (501) combination is "disc" form, every the side of second flange (501) all is provided with fixture block (502) along radial, two fixture block (502) are located same straight line and symmetry each other, two "pipe" column structure that semicircle pipe (5) are constituteed closely cup joints the outer wall of injection pipe (2), two the seamless embedding of "disc" column structure that second flange (501) are constituteed sets up the last port of sleeve pipe (4), two fixture block (502) seamless embedding respectively sets up two the inside of draw-in groove (4011).

2. The buried structure of the natural gas tetrahydrothiophene adding device according to claim 1, characterized in that: handles (503) are fixedly arranged on the upper end surfaces of the two second flanges (501).

3. The buried structure of the natural gas tetrahydrothiophene adding device according to claim 1, characterized in that: sealing gaskets (504) are tightly attached to the opposite surfaces of the two semicircular pipes (5) and the two second flanges (501).

4. The buried structure of the natural gas tetrahydrothiophene adding device according to claim 1, characterized in that: the upper end surfaces of the first flange (401), the second flange (501) and the fixture block (502) are all flush with the ground.

5. The buried structure of the natural gas tetrahydrothiophene adding device according to claim 1, characterized in that: the sleeve (4), the first flange (401), the semicircular pipe (5), the second flange (501) and the fixture block (502) are all made of carbon steel coated with anticorrosive materials.