CN217356145U

CN217356145U - Natural gas enters user's overhead line with anticorrosive coating

Info

Publication number: CN217356145U
Application number: CN202221330458.XU
Authority: CN
Inventors: 肖宇; 罗怡欢; 肖清桃
Original assignee: Shenzhen Zhongan Construction Engineering Group Co ltd
Current assignee: Shenzhen Zhongan Construction Engineering Group Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-02
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a natural gas overhead line of registering one's residence with anticorrosive coating, be equipped with the adapter sleeve between the inner tube, the outside cover of inner tube is equipped with the protection outer tube, the protection outer tube includes the sleeve, and the sleeve inboard cladding has finish paint layer and priming paint layer in proper order, the link of protection outer tube adopts flange joint with the link of adapter sleeve, the terminal surface of inner tube pastes tightly with the terminal surface of adapter sleeve, a dehumidification section of thick bamboo is installed to the block in the adapter sleeve. This natural gas overhead line of registering one's residence with anticorrosive coating, the outside cover through at the inner tube is equipped with the protection outer tube, can prevent effectively that other materials from direct and inner tube contact, play good anticorrosive action, the later stage can directly take out the inner tube from protecting the outer tube as if looking over the inner tube condition simultaneously, pass through flange joint with adapter sleeve and natural gas line, make the later stage adapter sleeve can dismantle and take out, after the inside desiccant of perforated plate inhales certain moisture, directly take out the adapter sleeve and change the desiccant can.

Description

Natural gas in-house overhead pipeline with anticorrosive coating

Technical Field

The utility model relates to the technical field of pipelines, specifically be a natural gas entrepreneurial overhead line with anticorrosive coating.

Background

The natural gas overhead pipeline (i.e. the air supply pipeline exposed in the air) needs to be subjected to installation, painting and other processes in the installation process of a residential area and a house-entering field, and the protection (i.e. the corrosion prevention effect) of the painted yellow paint on the steel pipeline is limited.

Through the magnanimity retrieval, it is typical among the prior art to find like public number CN202021252653.6 natural gas buries ground 3PE anticorrosive pipeline, all weld on the inner wall of box both sides has the gas-supply pipe, and all is equipped with anticorrosive mechanism on two gas-supply pipes, and anticorrosive mechanism is including spraying the anticorrosive paint on the gas-supply pipe outer wall, and the cover is equipped with the hollow cylinder that the equidistance distributes on the gas-supply pipe, and it has annular groove to open on the hollow cylinder outer wall, and twine in proper order on the gas-supply pipe has anticorrosive film and protection film. The utility model discloses the anticorrosive paint of spraying can be anticorrosive for the gas-supply pipe provides the first layer for the gas-supply pipe outer wall, twines anticorrosive film and protection film on the gas-supply pipe in proper order, later fastens together two tundishes on the winding through staple bolt and cavity cylinder and fixes to providing the second floor for the gas-supply pipe anticorrosive, and very convenient fixed and later maintenance change to anticorrosive film and protection film simultaneously, and the outside winding protection film of anticorrosive film can protect the anticorrosive film when the construction.

The above-mentioned natural gas pipeline also has some disadvantages: (1) the gas pipe is sequentially wound with the anti-corrosion film and the protective film for anti-corrosion protection, so that the installation is troublesome and the labor cost is increased. (2) The box is fixed connection with the gas-supply pipe, and the inside drier of later stage box can't be changed, and long-term use dehumidification effect weakens, and the drier brings certain influence to the circulation of natural gas after inhaling moisture moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a natural gas entrepreneurial overhead line with anticorrosive coating to solve the inconvenient and unable problem of taking out the change of drier of gas-supply pipe installation 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 overhead line of registering one's residence with anticorrosive coating, includes protection outer tube and inner tube, be equipped with the adapter sleeve between the inner tube, the outside cover of inner tube is equipped with the protection outer tube, the protection outer tube includes the sleeve, and the sleeve inboard cladding in proper order has finish paint layer and priming paint layer, the fixed bolster is installed in the protection outer tube outside, the link of protection outer tube adopts flange joint with the link of adapter sleeve, the terminal surface of inner tube pastes tightly with the terminal surface of adapter sleeve, a dehumidification section of thick bamboo is installed to the block in the adapter sleeve.

Preferably, a rubber layer is bonded on the sleeve and positioned on the inner side of the primer layer.

Preferably, the topcoat layer is composed of acrylic and the primer layer is composed of epoxy powder.

Preferably, the fixed support comprises a hoop, the hoop is divided into an upper semi-ring sheet and a lower semi-ring sheet, the upper semi-ring sheet is connected with the lower semi-ring sheet through a bolt, and the bottom of the lower semi-ring sheet is connected with a support frame.

Preferably, the dehumidification cylinder comprises a shell, perforated plates are arranged on two sides of the shell in a sealed mode, and a dehumidifying agent is filled in the shell.

Preferably, one side of the inner side wall of the connecting sleeve is provided with a mounting groove in a penetrating manner, and the size of the mounting groove is matched with the dehumidifying cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: the natural gas in-house overhead pipeline with the anticorrosive layer,

(1) the protective outer pipe is directly sleeved on the outer side of the inner pipe, and the protective outer pipe is sequentially provided with the sleeve, the finish paint layer, the primer layer and the rubber layer from outside to inside, so that other substances can be effectively prevented from directly contacting the inner pipe, a good anti-corrosion effect is achieved, and the installation process of the inner pipe is convenient and fast;

(2) pass through flange joint with the protection outer tube with the adapter sleeve, make later stage adapter sleeve can dismantle and take out, after the inside desiccant of perforated plate inhales certain moisture, directly take out the adapter sleeve and change the desiccant can.

Drawings

FIG. 1 is a schematic view of the protective outer tube of the present invention;

FIG. 2 is a schematic cross-sectional view of the protective outer tube of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the connection relationship of the connection sleeves of the present invention;

fig. 4 is a schematic view of the fixing bracket structure of the present invention.

In the figure: 1. the protective outer pipe comprises a protective outer pipe, 101, a sleeve, 102, a finish paint layer, 103, a primer layer, 104, a rubber layer, 2, an inner pipe, 3, a fixed support, 301, an upper semi-ring sheet, 302, a lower semi-ring sheet, 303, a bolt, 304, a support frame, 4, a connecting sleeve, 401, a shell, 402 and a porous plate.

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. 1-4, the present invention provides a technical solution: according to the figures 1-4, a protective outer pipe 1 is sleeved on the outer side of an inner pipe 2, the protective outer pipe 1 comprises a sleeve 101, the inner side of the sleeve 101 is sequentially coated with a finish paint layer 102 and a primer layer 103, and a fixed support 3 is installed on the outer side of the protective outer pipe 1.

Specifically, a rubber layer 104 is bonded on the inner side of the primer layer 103 on the sleeve 101, and the friction force between the inner tube 2 and the outer protection tube 1 is increased by the rubber layer 104 when the sleeve is arranged, so that the inner tube 2 and the outer protection tube 1 are connected more tightly.

Specifically, the top coat layer 102 is made of acrylic acid, the acrylic acid has stable performance and good water resistance, and the primer layer 103 is made of epoxy powder, and the epoxy powder has excellent chemical corrosion resistance, wear resistance and adhesion.

In a further embodiment, the sleeve 101 is made of polyethylene material, which has the advantages of water resistance, insulation, and the like.

Specifically, the fixed bolster 3 includes the staple bolt, and the staple bolt divide into half ring piece 301 and half ring piece 302 down, and half ring piece 301 is connected with half ring piece 302 down through bolt 303, and half ring piece 302 is connected with support frame 304 down, is connected fixedly through support frame 304 and contact surface, is convenient for erect the pipeline.

The protection outer tube 1 is placed at the notches of the upper half-ring plate 301 and the lower half-ring plate 302, the distance between the upper half-ring plate 301 and the lower half-ring plate 302 is adjusted according to the diameter of the protection outer tube 1, and the positions of the upper half-ring plate 301 and the lower half-ring plate 302 are fixed through the bolt 303 and a nut on the outer side of the bolt 303.

According to the drawings 1-4, the connecting end of the protective outer pipe 1 is connected with the connecting end of the connecting sleeve 4 through a flange, the end face of the inner pipe 2 is tightly attached to the end face of the connecting sleeve 4, leakage of natural gas in the later period is prevented, and a dehumidifying cylinder is installed in the connecting sleeve 4 in a clamping mode and used for removing moisture in the natural gas circulation process.

Specifically, the dehumidification section of thick bamboo includes casing 401, and casing 401 both sides are sealed and are provided with perforated plate 402, the natural gas circulation of being convenient for, and casing 401 is inside to be filled has the desiccant, gets rid of the inside moisture of natural gas.

Specifically, the inside wall one side of adapter sleeve 4 link up and is provided with the mounting groove to later stage natural gas flows unobstructed, and the size and the dehumidification section of thick bamboo of mounting groove match.

Supplementary notes, the body wall of adapter sleeve 4 wraps in proper order and has priming paint layer and finish paint layer, prevents that later stage adapter sleeve 4 from appearing the corruption condition, improves adapter sleeve 4's corrosivity.

Those not described in detail in this specification are within the skill of the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a natural gas overhead line of registering one's residence with anticorrosive coating, is including protection outer tube (1) and inner tube (2), be equipped with adapter sleeve (4), its characterized in that between inner tube (2): the outside cover of inner tube (2) is equipped with protection outer tube (1), protection outer tube (1) includes sleeve (101), and sleeve (101) inboard cladding in proper order has finish paint layer (102) and priming paint layer (103), fixed bolster (3) are installed in the protection outer tube (1) outside, flange joint is adopted with the link of adapter sleeve (4) to the link of protection outer tube (1), the terminal surface of inner tube (2) pastes tightly with the terminal surface of adapter sleeve (4), a dehumidification section of thick bamboo is installed to joint in adapter sleeve (4).

2. The natural gas to-the-home overhead pipeline with the anticorrosive layer as claimed in claim 1, wherein: and a rubber layer (104) is adhered to the inner side of the primer layer (103) on the sleeve (101).

3. The natural gas to the home overhead pipeline with the anticorrosive layer as claimed in claim 1, wherein: the top coat layer (102) is made of acrylic, and the primer layer (103) is made of epoxy powder.

4. The natural gas to the home overhead pipeline with the anticorrosive layer as claimed in claim 1, wherein: the fixed support (3) comprises a hoop, the hoop is divided into an upper semi-ring piece (301) and a lower semi-ring piece (302), the upper semi-ring piece (301) is connected with the lower semi-ring piece (302) through a bolt (303), and the bottom of the lower semi-ring piece (302) is connected with a support frame (304).

5. The natural gas to the home overhead pipeline with the anticorrosive layer as claimed in claim 1, wherein: the dehumidification section of thick bamboo includes casing (401), and casing (401) both sides are sealed and are provided with perforated plate (402), casing (401) inside is filled with the desiccant.

6. The natural gas to the home overhead pipeline with the anticorrosive layer as claimed in claim 1, wherein: one side of the inner side wall of the connecting sleeve (4) is provided with a mounting groove in a penetrating mode, and the size of the mounting groove is matched with the dehumidifying cylinder.