CN211821121U - Inner wall anticorrosion pipeline suitable for petrochemical industry heavy duty anticorrosion field - Google Patents

Abstract

The utility model discloses an inner wall anticorrosive pipeline suitable for petrochemical industry heavy-duty field, including the pipeline main part, pipeline main part overcoat is equipped with the sleeve pipe, and the sheathed tube both ends respectively with the protruding fixed connection of following of the annular at pipeline main part both ends, and form confined cavity between the outer wall of sheathed tube inner wall and pipeline main part, be provided with the water conservancy diversion piece along length direction between the outer wall of sheathed tube inner wall and pipeline main part, the water conservancy diversion piece encircles the equidistance and distributes and have a plurality ofly, and the both ends of water conservancy diversion piece are provided with the interval with the protruding edge of the annular at pipeline main part both ends respectively, be provided with centrifugal fan on the outer wall of sleeve pipe one end, centrifugal fan's air outlet and the cavity between sleeve. This inner wall anticorrosive pipeline suitable for petrochemical industry heavy duty field adopts sleeve pipe, water conservancy diversion piece, centrifugal fan and exhaust pipe and pipeline main part matched with structural design for this pipeline main part has stronger heat dispersion, thereby can effectively reduce the infringement of high temperature.

Description

Inner wall anticorrosion pipeline suitable for petrochemical industry heavy duty anticorrosion field

Technical Field

The utility model relates to a petrochemical industry equipment technical field specifically is an inner wall anticorrosive pipeline suitable for the heavy anticorrosive field of petrochemical industry.

Background

Petrochemical industry, petrochemical for short. Generally refers to the chemical industry that uses petroleum and natural gas as raw materials. The range is wide and the products are many. Crude oil is cracked, reformed, and separated to provide base feedstocks such as ethylene, propylene, butenes, butadiene, benzene, toluene, xylenes, naphthalene, and the like. From these base raw materials, various basic organic raw materials such as methanol, formaldehyde, ethanol, acetaldehyde, acetic acid, isopropanol, acetone, phenol, etc. can be produced.

In a period of high air temperature, the temperature of materials conveyed by the anti-corrosion pipeline is higher than that in a common state, the corrosivity of the materials is increased in the state, and the service life of the pipeline is shortened.

Disclosure of Invention

An object of the utility model is to provide an inner wall anticorrosive pipeline suitable for petrochemical industry heavy anti-corrosion field to solve the problem 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 an inner wall anticorrosive pipeline suitable for petrochemical industry heavy-duty field, includes the pipeline main part, pipeline main part overcoat is equipped with the sleeve pipe, and the sheathed tube both ends respectively with the protruding fixed connection along of annular at pipeline main part both ends, and form confined cavity between the outer wall of sheathed tube inner wall and pipeline main part, be provided with the water conservancy diversion piece along length direction between the outer wall of sheathed tube inner wall and pipeline main part, the water conservancy diversion piece encircles the equidistance and distributes and have a plurality ofly, and the both ends of water conservancy diversion piece are provided with the interval with the protruding edge of annular at pipeline main part both ends respectively, be provided with centrifugal fan on the outer wall of sleeve pipe one end, centrifugal fan's air outlet and the cavity between sleeve pipe and the pipeline main part are.

Preferably, the inner wall of the pipeline main body is coated with an anti-corrosion bottom layer, the inner side of the anti-corrosion bottom layer is coated with an anti-corrosion coating, and the inner side of the anti-corrosion coating is coated with an anti-corrosion surface layer.

Preferably, the anti-corrosion surface layer is provided with two layers.

Preferably, the flow deflector is made of aluminum, and the flow deflector is welded with the sleeve.

Preferably, a circular net piece is arranged at an air inlet of the centrifugal fan, and the net piece is connected with the centrifugal fan through screws.

Preferably, the exhaust pipe is connected with the sleeve in a welding mode, and the upper end of the exhaust pipe is of a 90-degree bent structure.

Compared with the prior art, the beneficial effects of the utility model are that: this inner wall anticorrosive pipeline suitable for petrochemical industry heavy duty field adopts sleeve pipe, water conservancy diversion piece, centrifugal fan and exhaust pipe and pipeline main part matched with structural design for this pipeline main part has stronger heat dispersion, thereby can effectively reduce the infringement of high temperature.

Drawings

FIG. 1 is a cross-sectional view of an inner wall corrosion protection pipeline suitable for the heavy corrosion protection field of the petrochemical industry of the present invention;

fig. 2 is an enlarged schematic structural view of a part a in fig. 1 of an inner wall anticorrosion pipeline applicable to the petrochemical industry heavy corrosion prevention field of the present invention;

fig. 3 is the utility model relates to an inner wall anticorrosion pipeline side view suitable for petrochemical industry heavy duty field.

In the figure: 1. the pipeline comprises a pipeline main body, 2, an anti-corrosion coating, 3, a sleeve, 4, a flow deflector, 5, an anti-corrosion surface layer, 6, an anti-corrosion bottom layer, 7, a net piece, 8, a centrifugal fan, 9, an exhaust pipe, 10 and an annular convex edge.

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, the present invention provides a technical solution: an inner wall anticorrosion pipeline suitable for the heavy-duty anticorrosion field of the petrochemical industry comprises a pipeline main body 1, a sleeve 3 is sleeved outside the pipeline main body 1, an anticorrosion bottom layer 6 is coated on the inner wall of the pipeline main body 1, the anticorrosion bottom layer 6 is made of epoxy zinc-rich materials, an anticorrosion coating 2 is coated on the inner side of the anticorrosion bottom layer 6, the anticorrosion coating 2 is made of epoxy glass flake coatings, an anticorrosion surface layer 5 is coated on the inner side of the anticorrosion coating 2, the anticorrosion surface layer 5 is made of epoxy varnish, the inner wall of the pipeline main body 1 has excellent anticorrosion performance due to the structure, the anticorrosion surface layer 5 is provided with two layers, the first layer can completely cover the anticorrosion coating 2, the second layer can enable the surface of the anticorrosion surface layer 5 to be smooth and smooth, the liquid flow resistance is higher, the two layers are welded, two ends of the sleeve 3 are respectively and fixedly connected with annular convex edges 10 at two ends of the pipeline main body 1, and a closed cavity is formed between the inner, the cavity can limit the air flow range, can more directly drive the heat generated on the outer wall of the pipeline main body 1 to be discharged, the flow deflectors 4 are arranged between the inner wall of the sleeve 3 and the outer wall of the pipeline main body 1 along the length direction, the flow deflectors 4 are distributed in a plurality of numbers around the equal distance, the number of the flow deflectors 4 is shown in figure 1, the structure can lead the air to flow more uniformly, the uniformity of heat dissipation is ensured, the two ends of the flow deflectors 4 are respectively provided with a distance with the annular convex edges 10 at the two ends of the pipeline main body 1, the distance can be used for the air flow to pass in and out in a centralized manner, the flow deflectors 4 are made of aluminum, the flow deflectors 4 and the sleeve 3 are welded, the aluminum material has better heat absorption performance, the heat dissipation can be improved, the centrifugal fan 8 is arranged on the outer wall at one end of the sleeve 3, the centrifugal fan 8 is fixedly installed through screws, the air outlet of the centrifugal fan 8, and the outer wall of the other end of the sleeve 3 is connected with an exhaust pipe 9, the structure enables air flow to enter from one end of the cavity and be discharged from the other end of the cavity, continuous circulation of air is achieved, the pipeline main body 1 has stronger heat dissipation performance, high-temperature invasion can be effectively reduced, the air inlet of the centrifugal fan 8 is provided with a circular net piece 7, the net piece 7 is connected with the centrifugal fan 8 through screws, the net piece 7 can prevent foreign matters from entering, the anti-blocking effect is achieved, the connection mode between the exhaust pipe 9 and the sleeve 3 is welding, the upper end of the exhaust pipe 9 is of a 90-degree bent structure, and dust can be prevented from directly falling into the exhaust pipe 9 by the structure.

The working principle is as follows: when the inner wall anticorrosion pipeline suitable for the petrochemical industry heavy anticorrosion field is used, whether parts are damaged or not or the connection is not firm is firstly checked, the pipeline is used after the check is correct, the pipeline main body 1 is externally sleeved with a sleeve 3, a closed cavity is formed between the inner wall of the sleeve 3 and the outer wall of the pipeline main body 1, the cavity can limit the range of the air flow, so that the air flow generated after the centrifugal fan 8 operates can directly and stably act on the outer wall of the pipeline main body 1 to take away the heat generated on the outer wall of the pipeline main body 1, the hot air flow is discharged from the exhaust pipe 9 on the outer wall at the other end of the sleeve 3, the air flow enters from one end of the cavity, and is discharged from the other end of the cavity, so that the air is continuously circulated, the pipe body 1 has stronger heat dissipation performance, therefore, the damage of high temperature can be effectively reduced, which is the working principle of the inner wall anticorrosion pipeline applicable to the field of heavy corrosion prevention in the petrochemical industry.

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 (6)

1. The utility model provides an inner wall anticorrosive pipeline suitable for petrochemical industry heavy duty field, includes pipeline main part (1), its characterized in that: pipeline main part (1) overcoat is equipped with sleeve pipe (3), and the both ends of sleeve pipe (3) respectively with the annular protruding edge (10) fixed connection at pipeline main part (1) both ends, and form confined cavity between the inner wall of sleeve pipe (3) and the outer wall of pipeline main part (1), be provided with water conservancy diversion piece (4) along length direction between the inner wall of sleeve pipe (3) and the outer wall of pipeline main part (1), water conservancy diversion piece (4) encircle the equidistance and distribute and have a plurality ofly, and the both ends of water conservancy diversion piece (4) are provided with the interval with the annular protruding edge (10) at pipeline main part (1) both ends respectively, be provided with centrifugal fan (8) on the outer wall of sleeve pipe (3) one end, the air outlet of centrifugal fan (8) is linked together with the cavity between sleeve pipe (3) and pipeline main part (1), and the outer wall connection of the sleeve pipe (3.

2. The inner wall anticorrosion pipeline applicable to the field of petrochemical industry heavy corrosion prevention according to claim 1, is characterized in that: the pipeline comprises a pipeline body (1), and is characterized in that an anti-corrosion bottom layer (6) is coated on the inner wall of the pipeline body (1), an anti-corrosion coating (2) is coated on the inner side of the anti-corrosion bottom layer (6), and an anti-corrosion surface layer (5) is coated on the inner side of the anti-corrosion coating (2).

3. The inner wall anticorrosion pipeline applicable to the field of petrochemical industry heavy corrosion prevention according to claim 2, is characterized in that: the anti-corrosion surface layer (5) is provided with two layers.

4. The inner wall anticorrosion pipeline applicable to the field of petrochemical industry heavy corrosion prevention according to claim 1, is characterized in that: the flow deflector (4) is made of aluminum, and the flow deflector (4) is welded with the sleeve (3).

5. The inner wall anticorrosion pipeline applicable to the field of petrochemical industry heavy corrosion prevention according to claim 1, is characterized in that: the air inlet of the centrifugal fan (8) is provided with a round mesh (7), and the mesh (7) is connected with the centrifugal fan (8) through screws.

6. The inner wall anticorrosion pipeline applicable to the field of petrochemical industry heavy corrosion prevention according to claim 1, is characterized in that: the exhaust pipe (9) and the sleeve (3) are connected by welding, and the upper end of the exhaust pipe (9) is of a 90-degree bent structure.

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