CN217815726U

CN217815726U - Novel anti-corrosion pipeline suitable for oil gas storage and transportation

Info

Publication number: CN217815726U
Application number: CN202221549217.4U
Authority: CN
Inventors: 陈嘉泽; 李杏
Original assignee: Guangzhou Yutai Safety Technology Co ltd
Current assignee: Guangzhou Yutai Safety Technology Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-11-15
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a novel anticorrosion pipeline suitable for oil gas warehousing and transportation relates to anticorrosion pipeline technical field, including pipeline mechanism and injection mechanism, pipeline mechanism's a lateral wall runs through and installs injection mechanism, pipeline mechanism includes outer inoxidizing coating, buffer layer, heat preservation, companion torrid zone and trunk line, the inner wall surface of outer inoxidizing coating is equipped with the buffer layer, be equipped with the heat preservation between buffer layer and the trunk line, the outer wall surface of trunk line is encircleed and is had companion torrid zone. A novel anticorrosion pipeline suitable for oil gas warehousing and transportation, it has the power to be external through setting up the companion tropical, when partial area temperature is lower, opens the companion tropical and can continuously produce the heat, avoids inside oil gas to freeze, influences the transport, sets up the heat preservation and can play better heat preservation effect, sets up the buffer layer and can play the cushioning effect, avoids receiving the vibration influence, buffer layer itself has higher corrosion resisting property simultaneously, can provide the second and say the protection.

Description

Novel anti-corrosion pipeline suitable for oil gas storage and transportation

Technical Field

The utility model relates to an anticorrosion pipeline technical field, in particular to novel anticorrosion pipeline suitable for oil gas warehousing and transportation.

Background

In the process of oil gas exploitation and gathering and transportation, because of containing a large amount of media such as H2S, CO2, condensate oil, formation water and the like, serious corrosion is caused to gathering and transportation pipelines, so that accidents such as pipeline cracking and the like are caused, and even the life and property safety of people is endangered. The corrosion in the pipeline is influenced by the quality of the pipe, the conveying medium and the corrosion prevention level of the pipeline, and meanwhile, the phenomenon that the outer wall of the pipeline is corroded is easily caused no matter the composition or the moisture of soil is in a pipeline laying area. At present, different anticorrosion measures are adopted for internal corrosion of oil and gas gathering and transportation pipelines at home and abroad, and the technology mainly comprises the adoption of special materials, such as stainless steel, alloy, glass fiber reinforced plastic, anticorrosion coating, lining plastic and the like.

The prior patent (publication number: CN 215173283U) discloses an anti-corrosion oil and gas pipeline, relating to the technical field of oil and gas pipelines. Comprises an oil gas pipeline, an inner anticorrosive layer, an outer anticorrosive layer, a strip-shaped metal anode, a filling layer, an outer protective layer and a corrosion inhibitor injection device; the inner wall of oil gas pipeline is equipped with interior anticorrosive coating, the outer wall of oil gas pipeline is equipped with outer anticorrosive coating, the oil gas pipeline is located to the outer protective layer outermost, be equipped with the filling layer between outer anticorrosive coating and the outer protective layer, the inside cladding of filling layer has banded metal anode. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: the pipeline has no antifreezing function, the actual pipeline transportation distance is long, the temperature difference between the inside and the outside is large, and when the temperature of a special area is low, oil gas is difficult to convey; the whole mechanical strength of the pipeline is limited, the pipeline is easy to damage due to vibration in the transportation process, and the transportation difficulty is high.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a novel corrosion-resistant pipeline for oil and gas storage and transportation, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a novel anticorrosion pipeline suitable for oil gas warehousing and transportation, includes pipeline mechanism and injection mechanism, pipeline mechanism's a lateral wall runs through to install injection mechanism, pipeline mechanism includes outer inoxidizing coating, buffer layer, heat preservation, accompanying tropical and trunk line, the inner wall surface of outer inoxidizing coating is equipped with the buffer layer, be equipped with the heat preservation between buffer layer and the trunk line, the outer wall surface of trunk line is encircleed and is had the accompanying tropical, the embedding of accompanying tropical is in the heat preservation.

Preferably, the inner wall surface of trunk line is equipped with the isolation layer, the internal surface coating of isolation layer has the undercoating.

Preferably, the injection mechanism includes high-pressure pump, first pipeline, second pipeline, jar body and injection pipe, the one end of first pipeline runs through the inside that pipeline mechanism extends to pipeline mechanism, first pipeline runs through the position and staggers with the companion tropical, the output of pipeline mechanism's one end fixed connection high-pressure pump is kept away from to first pipeline, the input fixedly connected with second pipeline of high-pressure pump, the one end fixedly connected with jar body of high-pressure pump is kept away from to the second pipeline.

Preferably, the roof of the jar body runs through and installs the filling pipe, the top of filling pipe is equipped with the upper shield, all install the valve on second pipeline and the first pipeline.

Preferably, the outer protective layer is a carbon fiber outer protective layer, the buffer layer is a tetrafluoroethylene buffer layer, the main pipeline is a stainless steel main pipeline, and the heat preservation layer is a heat-insulating aluminum foil and refractory cotton composite heat preservation layer.

Preferably, the isolation layer is an organic silicon isolation layer, the inner coating is an amine cured epoxy resin or polyamide epoxy resin inner coating, and the thickness of the inner coating is 0.038-0.2 mm.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through opening high-pressure pump and two valves, can pour into the inside of pipeline mechanism with the corrosion inhibitor in the jar body, mix with the oil-gas in the pipeline mechanism, the corrosion inhibitor is the material that adds just a small amount and just can make corrosion rate reduce or even restrain, the corrosive agent is used conveniently, it is fast to take effect, economic effects is good, inside is provided with amine curing epoxy or polyamide epoxy undercoating, and the organosilicon isolation layer all has better anticorrosive isolation effect, the outside is provided with the outer inoxidizing coating of carbon fiber and can protects the pipeline outside, avoid having the corrosive substance to corrode the pipeline in the pre-buried soil.

2. Through setting up the companion tropical external and having the power, when partial area temperature is lower, open the companion tropical and can continuously produce the heat, avoid inside oil gas to freeze, influence the transport, set up the heat preservation and can play better heat preservation effect, set up the buffer layer and can play the cushioning effect, avoid receiving the vibration influence, buffer layer itself has higher corrosion resisting property simultaneously, can provide the second and say the protection.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel anti-corrosion pipeline suitable for oil and gas storage and transportation according to the present invention;

fig. 2 is a schematic front view of a pipeline mechanism in the novel anti-corrosion pipeline suitable for oil and gas storage and transportation according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the novel anti-corrosion pipeline heat tracing band suitable for oil gas storage and transportation.

In the figure: 1. a piping mechanism; 11. an outer protective layer; 12. a buffer layer; 13. a heat-insulating layer; 14. a heat tracing band; 15. a main pipeline; 16. an isolation layer; 17. inner coating; 2. an injection mechanism; 21. a high pressure pump; 22. a first conduit; 23. a second conduit; 24. a tank body; 25. an injection pipe; 26. and (4) a valve.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1-3, a novel anti-corrosion pipeline suitable for oil and gas storage and transportation comprises a pipeline mechanism 1 and an injection mechanism 2, wherein the injection mechanism 2 is installed on one side wall of the pipeline mechanism 1 in a penetrating mode, the pipeline mechanism 1 comprises an outer protective layer 11, a buffer layer 12, a heat insulation layer 13, a heat tracing band 14 and a main pipeline 15, the buffer layer 12 is arranged on the inner wall surface of the outer protective layer 11, the heat insulation layer 13 is arranged between the buffer layer 12 and the main pipeline 15, the heat tracing band 14 is attached to the outer wall surface of the main pipeline 15 in a surrounding mode, and the heat tracing band 14 is embedded into the heat insulation layer 13.

In this embodiment, an isolation layer 16 is disposed on the inner wall surface of the main pipe 15, and an inner coating 17 is coated on the inner surface of the isolation layer 16; the outer protective layer 11 is a carbon fiber outer protective layer, the buffer layer 12 is a tetrafluoroethylene buffer layer, the main pipeline 15 is a stainless steel main pipeline, and the heat-insulating layer 13 is a heat-insulating aluminum foil and refractory cotton composite heat-insulating layer; the isolating layer 16 is an organic silicon isolating layer, the inner coating 17 is an amine cured epoxy resin or polyamide epoxy resin inner coating, and the thickness of the inner coating 17 is 0.038-0.2 mm.

Specifically, inside is provided with amine cured epoxy or polyamide epoxy undercoating 17, and organosilicon isolation layer 16 all has better anticorrosive isolation effect, the outside is provided with the outer inoxidizing coating 11 of carbon fiber and can protect the pipeline outside, avoid having the corrosive substance to corrode the pipeline in the pre-buried soil, the companion tropical 14 is external to have the power, when partial area temperature is lower, it can continuously produce the heat to open companion tropical 14, avoid inside oil gas to freeze, influence the transport, it can play better heat preservation effect to set up heat preservation 13, it can play the cushioning effect to set up buffer layer 12, avoid receiving the vibration influence, buffer layer 12 itself has higher corrosion protection simultaneously, can provide the second protection.

In this embodiment, the injection mechanism 2 includes a high-pressure pump 21, a first pipeline 22, a second pipeline 23, a tank 24 and an injection pipe 25, one end of the first pipeline 22 penetrates through the pipeline mechanism 1 and extends to the inside of the pipeline mechanism 1, the penetrating position of the first pipeline 22 is staggered with the heat tracing band 14, one end of the first pipeline 22, which is far away from the pipeline mechanism 1, is fixedly connected with the output end of the high-pressure pump 21, the input end of the high-pressure pump 21 is fixedly connected with the second pipeline 23, and one end of the second pipeline 23, which is far away from the high-pressure pump 21, is fixedly connected with the tank 24; the top plate of the tank body 24 is provided with an injection pipe 25 in a penetrating way, the top of the injection pipe 25 is provided with a sleeve cover, and the second pipeline 23 and the first pipeline 22 are both provided with valves 26.

Specifically, by opening the high-pressure pump 21 and the two valves 26, the corrosion inhibitor in the tank 24 can be injected into the pipeline mechanism 1 to be mixed with oil and gas in the pipeline mechanism 1, the corrosion inhibitor is a substance which can reduce or even inhibit the corrosion rate by adding a small amount of corrosion inhibitor, and the corrosive agent is convenient to apply, quick in effect and good in economic effect.

The working principle is as follows: the utility model provides a there is appropriate amount of corrosion inhibitor through injection pipe 25 injection in the jar body 24, through opening high-pressure pump 21 and two valves 26, can pour into the corrosion inhibitor in the jar body 24 into the inside of pipeline mechanism 1, mix with oil gas in pipeline mechanism 1, the corrosion inhibitor is the material that adds a small amount and just can make corrosion rate reduce or even restrain, the corrosive agent is convenient for use, it is fast to take effect, economic effects is good, inside is provided with amine solidification epoxy or polyamide epoxy undercoating 17, and organosilicon isolation layer 16 all has better anticorrosive isolation effect, the outside is provided with outer inoxidizing coating 11 of carbon fiber and can protect the pipeline outside, there is corrosive substance pipeline in avoiding pre-buried soil, heat tracing band 14 is external to have the power, when partial area temperature is lower, it can continuously produce the heat to open heat tracing band 14, avoid inside oil gas to freeze, the influence is carried, it can play better heat preservation effect to set up heat preservation 13, set up buffer layer 12 and can play the cushioning effect, avoid receiving the vibration influence, buffer layer 12 itself has higher anti-corrosion performance simultaneously, can provide second protection way.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to the circuit and electronic components and control modules.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A novel anti-corrosion pipeline suitable for oil and gas storage and transportation is characterized in that: including pipeline mechanism (1) and injection mechanism (2), a lateral wall of pipeline mechanism (1) runs through and installs injection mechanism (2), pipeline mechanism (1) is including outer inoxidizing coating (11), buffer layer (12), heat preservation (13), companion's tropical (14) and trunk line (15), the inner wall surface of outer inoxidizing coating (11) is equipped with buffer layer (12), be equipped with heat preservation (13) between buffer layer (12) and trunk line (15), the outer wall surface of trunk line (15) is encircleed and is had companion's tropical (14), companion's tropical (14) embedding is in heat preservation (13).

2. The novel corrosion-resistant pipeline suitable for oil and gas storage and transportation according to claim 1, wherein: the inner wall surface of the main pipeline (15) is provided with an isolation layer (16), and the inner surface of the isolation layer (16) is coated with an inner coating (17).

3. The novel corrosion-resistant pipeline suitable for oil and gas storage and transportation according to claim 1, wherein: the injection mechanism (2) comprises a high-pressure pump (21), a first pipeline (22), a second pipeline (23), a tank body (24) and an injection pipe (25), one end of the first pipeline (22) penetrates through the inside of the pipeline mechanism (1) and extends to the pipeline mechanism (1), the first pipeline (22) penetrates through the position and is staggered with the heat tracing band (14), the first pipeline (22) is far away from the output end of the one end fixed connection high-pressure pump (21) of the pipeline mechanism (1), the input end fixed connection of the high-pressure pump (21) is provided with the second pipeline (23), and the second pipeline (23) is far away from the one end fixed connection tank body (24) of the high-pressure pump (21).

4. The novel corrosion protection pipeline suitable for oil and gas storage and transportation according to claim 3, wherein: the roof of the jar body (24) runs through and installs injection pipe (25), the top of injection pipe (25) is equipped with the upper shield, all install valve (26) on second pipeline (23) and first pipeline (22).

5. The novel corrosion protection pipeline suitable for oil and gas storage and transportation according to claim 2, wherein: outer inoxidizing coating (11) are the outer inoxidizing coating of carbon fiber, buffer layer (12) are the tetrafluoroethylene buffer layer, trunk line (15) are the stainless steel trunk line, heat preservation (13) are thermal-insulated aluminium foil and the compound heat preservation of refractory wool.

6. The novel corrosion protection pipeline suitable for oil and gas storage and transportation according to claim 2, wherein: the isolation layer (16) is an organic silicon isolation layer, the inner coating (17) is an amine cured epoxy resin or polyamide epoxy resin inner coating, and the thickness of the inner coating (17) is 0.038-0.2 mm.