CN218761908U - Corrosion-resistant petroleum pipeline - Google Patents

Abstract

The utility model relates to a corrosion-resistant petroleum pipeline, including the basic unit, the internal perisporium of basic unit is equipped with the corrosion resistant mechanism who is used for improving pipeline corrosion resisting property, the surface of corrosion resistant mechanism is equipped with the protective mechanism who is used for improving pipeline protecting effect, corrosion resistant mechanism is including fixing the first corrosion resistant layer at the internal perisporium of basic unit, the surface mounting of basic unit has fire-retardant layer, fire-retardant layer's surface mounting has the insulating layer, the surface mounting of insulating layer has second corrosion resistant layer, the surface mounting of second corrosion resistant layer has the enhancement layer, first corrosion resistant layer is phenol-formaldehyde epoxy coating. This corrosion resistant petroleum pipeline through having set up corrosion resistant mechanism, through mutually supporting between first corrosion resistant layer, fire-retardant layer, insulating layer and second corrosion resistant layer and enhancement layer etc. can be when improving petroleum pipeline basic unit corrosion resistant performance, upgrades the fire-retardant heat-proof quality of pipeline, avoids the intensity of a fire to outwards stretch and influence the surrounding environment and use.

Description

Corrosion-resistant petroleum pipeline

Technical Field

The utility model relates to a petroleum pipeline technical field specifically is a corrosion-resistant petroleum pipeline.

Background

Petroleum is one of the important energy sources in the world, and a petroleum pipeline for conveying the petroleum is an indispensable piece of equipment, and the petroleum pipeline consists of an oil pipe and accessories thereof, is provided with a corresponding oil pump unit according to the requirements of a process flow, and is designed and installed into a complete pipeline system for completing the tasks of oil receiving, unloading and conveying.

In the petroleum pipeline transportation oil use, crude oil and external environment can carry out inside and outside corruption to the petroleum pipeline, make petroleum pipeline life greatly reduced, reduce the maintenance cost in order to improve petroleum pipeline's life, can add multiple protective coating in the petroleum pipeline and improve corrosion resisting property, current corrosion-resistant petroleum pipeline is as a corrosion-resistant petroleum pipeline disclosed in chinese utility model patent publication (CN 211550924U), including the body, the inboard of body is scribbled and is equipped with epoxy coal pitch anticorrosive coating, and epoxy coal pitch anticorrosive coating's inboard is scribbled and is equipped with highly chlorinated polyethylene coating, and simultaneously, highly chlorinated polyethylene coating's inboard still is scribbled and is equipped with polyvinyl chloride coating, use through the corrosion resisting property that sets up multilayer anticorrosive coating and increase petroleum pipeline in this patent, but there is the problem that lacks to protect petroleum pipeline anticorrosive coating etc. in this patent, open-air desert is mostly to the environment of laying of petroleum pipeline, and lack corresponding protection machanism can lead to the anticorrosive coating to receive external environment influence and damage and produce the breach, and then lead to the inefficacy of anticorrosive coating.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a corrosion-resistant petroleum pipeline possesses advantages such as barrier propterty is good, has solved current petroleum pipeline and has had the problem that lacks to protect petroleum pipeline anticorrosive coating etc..

In order to achieve the above object, the utility model provides a following technical scheme: a corrosion-resistant petroleum pipeline comprises a base layer, wherein the inner peripheral wall of the base layer is provided with a corrosion-resistant mechanism for improving the corrosion resistance of the pipeline, and the outer surface of the corrosion-resistant mechanism is provided with a protection mechanism for improving the protection effect of the pipeline;

the corrosion-resistant mechanism comprises a first corrosion-resistant layer fixed on the inner peripheral wall of the base layer, a flame-retardant layer is fixed on the outer surface of the base layer, a heat-insulating layer is fixed on the outer surface of the flame-retardant layer, a second corrosion-resistant layer is fixed on the outer surface of the heat-insulating layer, and a reinforcing layer is fixed on the outer surface of the second corrosion-resistant layer.

Further, the first corrosion-resistant layer is a phenolic epoxy coating, and the flame-retardant layer is an acrylate fiber layer.

Further, the heat-insulating layer is a polytetrafluoroethylene layer, and the second corrosion-resistant layer is a glass fiber layer.

Furthermore, the front surface of the reinforcing layer is provided with a fixing hole, and reinforcing ribs are fixed on the inner peripheral wall of the fixing hole.

Further, protection machanism is including fixing the buffer layer at the enhancement layer surface, the external fixation of buffer layer has the heat preservation, the external fixation of heat preservation has the dampproof course, the external fixation of dampproof course has the waterproof layer, the external fixation of waterproof layer has the wearing layer.

Further, the buffer layer is an elastic rubber layer, and the heat insulation layer is a polyurethane layer.

Further, the waterproof layer is an acrylic waterproof coating, and the wear-resistant layer is a wear-resistant alloy layer.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this corrosion-resistant petroleum pipeline through having set up corrosion resistant mechanism, through mutually supporting between first corrosion resistant layer, fire-retardant layer, insulating layer and second corrosion resistant layer and enhancement layer etc. can upgrade the fire-retardant heat-proof quality of pipeline when improving petroleum pipeline basic unit corrosion resistance, avoids the intensity of a fire to spread and influences the surrounding environment and use.

2. This corrosion-resistant petroleum pipeline through having set up corrosion resistant mechanism, through mutually supporting between buffer layer, heat preservation, dampproof course and waterproof layer and wearing layer etc, can improve the protecting effect to petroleum pipeline basic unit and corrosion resistant mechanism, avoids petroleum pipeline in the use because of the corrosive wear that external factors brought etc. effectively prolongs petroleum pipeline's life, reduces the maintenance cost.

Drawings

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

FIG. 2 is a schematic view of the corrosion-resistant mechanism of the present invention;

fig. 3 is a schematic view of the protection mechanism of the present invention.

In the figure: the composite material comprises a base layer 1, a corrosion-resistant mechanism 2, a first corrosion-resistant layer 201, a flame-retardant layer 202, a heat-insulating layer 203, a second corrosion-resistant layer 204, a reinforcing layer 205, reinforcing ribs 206, a protective mechanism 3, a buffer layer 301, a heat-insulating layer 302, a moisture-proof layer 303, a waterproof layer 304 and a wear-resistant layer 305.

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, the corrosion-resistant petroleum pipeline of the present embodiment includes a base layer 1, a corrosion-resistant mechanism 2 for improving corrosion resistance of the pipeline is disposed on an inner circumferential wall of the base layer 1, and a protection mechanism 3 for improving protection effect of the pipeline is disposed on an outer surface of the corrosion-resistant mechanism 2.

Referring to fig. 2, in order to improve corrosion resistance of the petroleum pipeline base layer 1, the corrosion-resistant mechanism 2 in this embodiment includes a first corrosion-resistant layer 201 fixed on an inner peripheral wall of the base layer 1, a flame-retardant layer 202 fixed on an outer surface of the base layer 1, a thermal-insulating layer 203 fixed on an outer surface of the flame-retardant layer 202, the flame-retardant layer 202 and the thermal-insulating layer 203 are matched with each other, so that fire spread inside and outside the pipeline can be avoided through high ignition point and low thermal conductivity of the material itself, and safety is improved, a second corrosion-resistant layer 204 fixed on an outer surface of the thermal-insulating layer 203, and a reinforcing layer 205 fixed on an outer surface of the second corrosion-resistant layer 204.

In this embodiment, first corrosion resistant layer 201 is phenol epoxy coating, first corrosion resistant layer 201 sets up at 1 internal perisporium of basic unit and oil contact, can avoid oil direct and 1 contact of basic unit, improve the corrosion-resistant effect to 1 internal perisporium of basic unit, to the corruption of basic unit 1 when reducing oil transportation, fire-retardant layer 202 is the acrylic ester fibrous layer, insulating layer 203 is the polytetrafluoroethylene layer, second corrosion resistant layer 204 is the glass fiber layer, second corrosion resistant layer 204 can improve corrosion resistant performance to 1 surface of basic unit and use, reduce the corruption of external environment factor to 1 of basic unit, the fixed orifices has been seted up in the front of enhancement layer 205, and the internal perisporium of fixed orifices is fixed with strengthening rib 206, strengthening layer 205 cooperation strengthening rib 206 can effectively improve the intensity in the 1 outside of basic unit, avoid leading to the circumstances such as pipeline bending to take place in the transportation laying process.

Please refer to fig. 3, in order to improve the protection performance of the petroleum pipeline base layer 1 and the corrosion-resistant mechanism 2, the protection mechanism 3 in this embodiment includes a buffer layer 301 fixed on the outer surface of the reinforcement layer 205, the buffer layer 301 can provide a certain buffering effect to reduce the impact force applied during the pipeline transportation and laying, a heat-insulating layer 302 is fixed on the outer surface of the buffer layer 301, the heat-insulating layer 302 can delay the loss of the internal temperature of the pipeline, the corrosion speed of the base layer 1 is accelerated due to the large temperature difference with the external environment, a moisture-proof layer 303 is fixed on the outer surface of the heat-insulating layer 302, the moisture-proof layer 303 can prevent the moisture in the external air from entering the pipeline, the transportation quality of the petroleum and the corrosion speed of the base layer 1 are affected, a waterproof layer 304 is fixed on the outer surface of the moisture-proof layer 303, and a wear-resistant layer 305 is fixed on the outer surface of the waterproof layer 304.

In this embodiment, buffer layer 301 is elastic rubber layer, and heat preservation 302 is the polyurethane layer, and waterproof layer 304 is acrylic acid waterproof coating, and waterproof layer 304 can avoid the rivers to permeate the pipeline inside in and use, and wearing layer 305 is wear-resisting alloy layer, and wearing layer 305 can improve the wear resistance in the pipeline outside, reduces the transportation and lays and the external environment is to the wearing and tearing in the pipeline outside, and the life of extension pipeline uses.

The working principle of the embodiment is as follows:

(1) When carrying out improvement corrosion resistant property to petroleum pipeline basic unit 1 and using, when petroleum transportation, first corrosion resistant layer 201 sets up and contacts at basic unit 1 internal perisporium and oil, can avoid oil direct and basic unit 1 contact, improve the corrosion resistant effect to basic unit 1 internal perisporium, to the corruption of basic unit 1 when reducing petroleum transportation, flame retardant layer 202 and insulating layer 203 are mutually supported, can be through the high ignition point and the low heat conductivity of material itself, avoid producing stretching of intensity of a fire inside and outside the pipeline, improve the security, second corrosion resistant layer 204 can carry out improvement corrosion resistant property to basic unit 1's surface and use, reduce the corruption of external environment factor to basic unit 1, enhancement layer 205 cooperation strengthening rib 206 can effectively improve the intensity in the basic unit 1 outside, avoid leading to the circumstances such as pipeline bending to take place among the transportation laying process.

(2) When improving barrier propterty and using petroleum pipeline basic unit 1 and corrosion resistant mechanism 2, utilize corrosion resistant mechanism 2 can effectively improve corrosion resistant effect and the security use to petroleum pipeline basic unit 1, simultaneously in the petroleum pipeline use, buffer layer 301 can mention certain cushioning effect, the impact force that receives when reducing the pipeline transportation and laying, heat preservation 302 can delay the loss of the inside temperature of pipeline, avoid leading to basic unit 1 corrosion rate to accelerate with the external environment difference in temperature great, dampproof course 303 can avoid the moist steam in the external air to enter into inside the pipeline, influence the transport quality of petroleum and the corrosion rate to basic unit 1, waterproof layer 304 can avoid rivers to permeate to use in the pipeline is inside, wearing layer 305 can improve the wearing feature in the pipeline outside, reduce the transportation and lay and the wearing and tearing of external environment to the pipeline outside, prolong the life use of pipeline.

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. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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 (7)

1. A corrosion resistant petroleum pipeline comprising a base layer (1), characterized in that: the inner peripheral wall of the base layer (1) is provided with a corrosion-resistant mechanism (2) for improving the corrosion resistance of the pipeline, and the outer surface of the corrosion-resistant mechanism (2) is provided with a protection mechanism (3) for improving the protection effect of the pipeline;

the corrosion-resistant mechanism (2) comprises a first corrosion-resistant layer (201) fixed on the inner peripheral wall of a base layer (1), a flame-retardant layer (202) is fixed on the outer surface of the base layer (1), a heat-insulating layer (203) is fixed on the outer surface of the flame-retardant layer (202), a second corrosion-resistant layer (204) is fixed on the outer surface of the heat-insulating layer (203), and a reinforcing layer (205) is fixed on the outer surface of the second corrosion-resistant layer (204).

2. A corrosion resistant petroleum pipeline as claimed in claim 1, wherein: the first corrosion-resistant layer (201) is a phenolic epoxy coating, and the flame-retardant layer (202) is an acrylate fiber layer.

3. A corrosion resistant petroleum pipeline as claimed in claim 1, wherein: the heat insulation layer (203) is a polytetrafluoroethylene layer, and the second corrosion-resistant layer (204) is a glass fiber layer.

4. A corrosion resistant petroleum pipeline as claimed in claim 1, wherein: the front surface of the reinforcing layer (205) is provided with a fixing hole, and a reinforcing rib (206) is fixed on the inner peripheral wall of the fixing hole.

5. A corrosion resistant petroleum pipeline as claimed in claim 1, wherein: protection machanism (3) are including fixing buffer layer (301) at enhancement layer (205) surface, the external surface mounting of buffer layer (301) has heat preservation (302), the external surface mounting of heat preservation (302) has dampproof course (303), the external surface mounting of dampproof course (303) has waterproof layer (304), the external surface mounting of waterproof layer (304) has wearing layer (305).

6. A corrosion resistant petroleum pipeline as claimed in claim 5, wherein: the buffer layer (301) is an elastic rubber layer, and the heat-insulating layer (302) is a polyurethane layer.

7. A corrosion resistant petroleum pipeline as claimed in claim 5, wherein: the waterproof layer (304) is an acrylic waterproof coating, and the wear-resistant layer (305) is a wear-resistant alloy layer.

Images