CN210978874U

CN210978874U - Corrosion-resistant composite pipe

Info

Publication number: CN210978874U
Application number: CN201922159621.5U
Authority: CN
Inventors: 宋忠林
Original assignee: Yanggu Lufa New Material Co ltd
Current assignee: Yanggu Lufa New Material Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-07-10
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a corrosion-resistant composite pipe, which comprises a pipe body, the both ends of body all are equipped with connection port, the outside of body one end connection port is equipped with the assembly constant head tank, and the outside of body other end connection port is equipped with the assembly holding ring, be fixed with sealed rubber ring between assembly constant head tank and the connection port, and be equipped with sealed draw-in groove between assembly holding ring and the connection port, the inboard of body is equipped with interior anticorrosive coating, and the outside of interior anticorrosive coating has the inflation strip around the package, and the outside of inflation strip evenly is fixed with the steel wire strip, the outside of steel wire strip has fire-retardant heat preservation around the package, and the outside parcel of fire-retardant heat preservation has outer anticorrosive coating. The utility model discloses an adopt body, sealed rubber ring and assembly holding ring, can effectively realize the seal assembly between a plurality of bodys through the block of assembly holding ring and assembly positioning groove and the block end of sealed rubber ring and seal slot's block to fluid is carried between the body, avoids fluidic leakage, and the practicality is strong.

Description

Corrosion-resistant composite pipe

Technical Field

The utility model relates to an oil pipeline technical field specifically is a corrosion-resistant compound pipe.

Background

In the exploitation and transportation of oil and natural gas, it is often necessary to form transportation channels by using composite pipelines so that the corresponding fluids can be transported between pipelines, and the oil and natural gas contain sulfides and carbon dioxide, which often corrode the inner walls of the pipelines, thereby affecting the service life of the pipelines. Therefore, in the process of oil and gas storage and transportation, a corrosion-resistant composite pipeline is required to be used, so that the leakage phenomenon of oil and gas caused by corrosion of the pipeline in the transportation process is avoided.

Most of the existing composite pipes are simple in structure, the sealing performance between pipelines can not be guaranteed when the composite pipes are assembled for use, leakage can be easily caused when fluid is conveyed between the pipelines, the existing pipelines are general in corrosion resistance, poor in structural strength, the influence of environmental temperature on the fluid of the pipelines can not be well avoided, noise generated when the fluid flows between the pipelines can not be reduced, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant composite pipe to the current composite pipe simple structure who proposes in solving above-mentioned background art, the leakproofness is not good, and structural strength is relatively poor, can't avoid ambient temperature to the fluidic influence of pipeline well, also can't reduce the noise problem that the fluid produced when flowing between the pipeline.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant composite pipe, includes the body, the both ends of body all are equipped with connection port, and the inside inner chamber passageway that is equipped with of body between the connection port, the outside of body one end connection port is equipped with the assembly positioning groove, and the outside of body other end connection port is equipped with the assembly holding ring who mutually supports with the assembly positioning groove, be fixed with sealed rubber ring on the body between assembly positioning groove and the connection port, and be equipped with sealed draw-in groove on the body between assembly holding ring and the connection port, the inboard of body is equipped with interior anticorrosive coating, and the outside of interior anticorrosive coating has the inflation strip around the package, and the outside of inflation strip evenly is fixed with the steel wire strip, the outside of steel wire strip has fire-retardant heat preservation around the package, and the outside parcel of fire-.

Furthermore, the sealing rubber ring is composed of a clamping end and a fixed end, the fixed end is of an L-shaped structure, the clamping end is connected to one end of the fixed end, and the section of the clamping end, close to one side of the assembly positioning groove, is of a hemispherical structure.

Further, the sealing clamping groove and the clamping end are matched with each other.

Further, the diameter of the lumen channel is slightly larger than the diameter of the connection port.

Further, the outer anticorrosive layer is prepared by crosslinking polyethylene.

Furthermore, the flame-retardant heat-insulation layer is prepared by rock wool boards.

Further, the inner corrosion-resistant layer is made of stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that: the corrosion-resistant composite pipe adopts the pipe bodies, the sealing rubber rings and the assembling positioning rings, can effectively realize the sealing assembly among a plurality of pipe bodies by the clamping of the assembling positioning rings and the assembling positioning grooves and the clamping of the clamping ends of the sealing rubber rings and the sealing clamping grooves, so that fluid can be conveyed among the pipe bodies to avoid the leakage of the fluid, an inner anticorrosive layer prepared by stainless steel can effectively enhance the corrosion resistance of the inner walls of the pipe bodies, reduce the corrosion of the fluid to the inner walls of the pipe bodies when the pipe bodies flow, the steel wire strips can effectively improve the structural strength of the pipe bodies, the expansion strips can be effectively clamped into gaps among the steel wire strips when an external water body enters, further isolate the water body and reduce the corrosion of the water body to the pipe bodies, the flame-retardant rock wool heat-insulating layer prepared by the rock wool board can effectively improve the flame-retardant property and the heat-insulating property of the pipe bodies, avoid the influence on the internal fluid after the pipe bodies are, thereby the noise that the fluid produced when the body is inside to flow has been reduced, and the outer anticorrosive coating of crosslinked polyethylene preparation simultaneously can effectively improve the corrosion resistance and the environmental stress resistance effect of body lateral wall to improve the life of body, the body of being convenient for is put in the use in the open air, and the practicality is strong.

Drawings

FIG. 1 is a schematic side-sectional view of a tube body of the present invention;

fig. 2 is the schematic diagram of the inner wall structure of the tube body of the present invention.

In the figure: 1. assembling a positioning groove; 2. sealing the rubber ring; 3. a pipe body; 4. a clamping end; 5. a fixed end; 6. an inner cavity channel; 7. assembling a positioning ring; 8. a connection port; 9. sealing the clamping groove; 10. an outer corrosion resistant layer; 11. a flame-retardant insulating layer; 12. a steel wire strip; 13. an expansion strip; 14. an inner anticorrosive 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.

Please refer to fig. 1-2, an embodiment of the present invention provides a corrosion-resistant composite pipe, including a pipe body 3, both ends of the pipe body 3 are provided with connection ports 8, and an inner cavity channel 6 is provided inside the pipe body 3 between the connection ports 8, a diameter of the inner cavity channel 6 is slightly larger than that of the connection ports 8, so that when fluid flows at the connection ports 8 between the pipe bodies 3, an impact resistance between the pipe bodies 3 is ensured, a phenomenon that a sealing performance is reduced when a joint between the pipe bodies 3 is subjected to fluid impact is avoided, a leakage condition occurring when fluid is conveyed between the pipe bodies 3 is avoided, an assembly positioning groove 1 is provided outside the connection port 8 at one end of the pipe body 3, and an assembly positioning ring 7 mutually matched with the assembly positioning groove 1 is provided outside the connection port 8 at the other end of the pipe body 3, a sealing rubber ring 2 is fixed on the pipe body 3 between the assembly positioning groove 1 and the connection port 8, and a sealing groove 9 is provided on the pipe body 3 between the assembly positioning ring 7 and the connection port 8, and the pipe body 3 between the assembly positioning groove 2 and the pipe body 3 between the connection port 8 is provided with a sealing groove 9, the sealing rubber ring 2 is formed by the clamping groove 4 and the fixing end 5, and the fixing groove is provided on the pipe body 3, and the sealing rubber ring 3, and the sealing groove 14, when the sealing rubber ring 3 is provided with the sealing rubber ring 3, the sealing rubber groove 3, thereby the sealing rubber groove 3, when the sealing rubber groove 3 is provided with the sealing rubber groove 3, the sealing rubber groove 3 is provided for improving the sealing rubber groove 3, the sealing rubber groove is provided with the sealing rubber groove 3, the sealing rubber groove for improving the sealing rubber groove 3, the sealing rubber groove when the sealing rubber groove 3, the.

The working principle is as follows: when the pipe body is used, the plurality of pipe bodies 3 are firstly attached end to end for assembly, the assembly positioning ring 7 of one pipe body 3 is inserted into the assembly positioning groove 1 of the other pipe body 3, the clamping end 4 of the sealing rubber ring 2 at the inner side of the assembly positioning groove 1 is clamped into the sealing clamping groove 9 at the inner side of the assembly positioning ring 7, the assembly between the pipe bodies 3 is completed, when fluid flows in the pipe bodies 3, the inner anticorrosive layer 14 prepared by stainless steel can effectively enhance the corrosion resistance of the inner wall of the pipe body 3, the corrosion of the fluid to the inner wall of the pipe body 3 when the pipe body 3 flows is reduced, the steel wire 12 can effectively improve the structural strength of the pipe body 3, the expansion strip 13 can effectively expand and be clamped into the gap between the steel wire 12 when external water enters, so as to isolate the water body and reduce the corrosion of the water body to the pipe body 3, and the flame-retardant heat-insulation layer 11 prepared, the influence that has avoided body 3 to produce to inside fluid behind the ambient temperature, and the rock wool board can effectively improve the sound absorbing effect of 3 lateral walls of body to the noise that the fluid produced when 3 internal flow of body has been reduced, the outer anticorrosive coating 10 of crosslinked polyethylene preparation simultaneously, the resistance to corrosion and the environmental stress effect of 3 lateral walls of body can effectively be improved, thereby improve the life of body 3, the body 3 of being convenient for is put in the use in the open air, and the practicality is strong.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a corrosion-resistant composite pipe, includes body (3), its characterized in that: the anti-corrosion pipe is characterized in that connecting ports (8) are arranged at two ends of the pipe body (3), an inner cavity channel (6) is arranged in the pipe body (3) between the connecting ports (8), an assembly positioning groove (1) is arranged on the outer side of the connecting port (8) at one end of the pipe body (3), an assembly positioning ring (7) matched with the assembly positioning groove (1) is arranged on the outer side of the connecting port (8) at the other end of the pipe body (3), a sealing rubber ring (2) is fixed on the pipe body (3) between the assembly positioning groove (1) and the connecting port (8), a sealing clamping groove (9) is arranged on the pipe body (3) between the assembly positioning ring (7) and the connecting port (8), an inner anti-corrosion layer (14) is arranged on the inner side of the pipe body (3), an expansion strip (13) is wound on the outer side of the inner anti-corrosion layer (14), and, the outer side of the steel wire strip (12) is wrapped with a flame-retardant heat-insulating layer (11), and the outer side of the flame-retardant heat-insulating layer (11) is wrapped with an outer anticorrosive layer (10).

2. The corrosion-resistant composite pipe according to claim 1, wherein the sealing rubber ring (2) is formed by a clamping end (4) and a fixed end (5), the fixed end (5) is formed into an L-shaped structure, the clamping end (4) is connected to one end of the fixed end (5), and the section of the clamping end (4) on the side close to the assembling positioning groove (1) is formed into a hemispherical structure.

3. A corrosion resistant composite pipe according to claim 2, wherein: the sealing clamping groove (9) is matched with the clamping end (4).

4. A corrosion resistant composite pipe according to claim 1, wherein: the diameter of the inner cavity channel (6) is slightly larger than that of the connecting port (8).

5. A corrosion resistant composite pipe according to claim 1, wherein: the outer anticorrosive layer (10) is prepared by crosslinking polyethylene.

6. A corrosion resistant composite pipe according to claim 1, wherein: the flame-retardant heat-preservation layer (11) is prepared by rock wool boards.

7. A corrosion resistant composite pipe according to claim 1, wherein: the inner anti-corrosion layer (14) is made of stainless steel.