CN211951746U - Anti-corrosion metal corrugated pipe - Google Patents

Abstract

The utility model relates to a pipeline equipment field especially relates to a but anticorrosive corrugated metal pipe. The to-be-solved technical problem of the utility model is to provide a can not only carry out anti-oxidation treatment to bellows inner wall and still can effectively avoid bellows outer wall to receive the corrugated metal pipe of corruption. A corrosion-proof metal corrugated pipe comprises a corrugated pipe body and the like; wherein the corrugated grooves are uniformly arranged on the corrugated pipe body; the utility model discloses reached not only carry out anti-oxidation treatment to bellows inner wall and still can effectively avoid bellows outer wall to receive the effect of corruption.

Description

Anti-corrosion metal corrugated pipe

Technical Field

The utility model relates to a pipeline equipment field especially relates to a but anticorrosive corrugated metal pipe.

Background

The metal corrugated pipe is a pipe with a regular wave-like appearance, and the commonly used metal corrugated pipes comprise carbon steel, stainless steel, steel lining plastic, aluminum and the like. The connecting device is mainly used for connecting pipelines or connecting pipelines and equipment in occasions where small bending radius non-concentric axial transmission is needed, or irregular turning and stretching are needed, or thermal deformation of the pipelines and the like are absorbed, or the fixed elbow is inconvenient to install. Corrugated metal pipe is when using, often can provide the liquid circulation in pipe-line system, during long-time liquid transport, corrugated metal pipe inner wall is owing to there is the ripple recess, consequently rivers are more torrential than usual pipeline, it strengthens corrugated metal pipe's oxidation effect to lead to liquid, it corrodes to make corrugated metal pipe inner wall change, corrugated metal pipe's outer wall is under external environment, humid air and rainwater corrode for a long time and make its outer wall compare and change in the inner wall and be corroded, consequently, need urgently to develop one kind and can not only carry out anti-oxidation treatment to corrugated pipe inner wall and still can effectively avoid the corrugated metal pipe that corrugated pipe outer wall received the corruption.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome corrugated metal pipe when using, often can provide the liquid circulation in pipe-line system, during long-time liquid is carried, corrugated metal pipe inner wall is owing to there is the ripple recess, therefore rivers are more torrential more than usual pipeline, lead to liquid to strengthen corrugated metal pipe's oxidation effect, make corrugated metal pipe inner wall change the corruption, and corrugated metal pipe's outer wall is under external environment, and humid air and rainwater corrode for a long time and let its outer wall compare in the inner wall change the shortcoming corroded, the to-be-solved technical problem the utility model is to provide a can not only carry out anti-oxidation to corrugated metal pipe inner wall and handle and still can effectively avoid corrugated metal pipe outer wall to receive the corruption.

The utility model is achieved by the following concrete technical means:

an anticorrosion metal corrugated pipe comprises a corrugated pipe body, a corrugated groove, a pipe outer wall and a pipe inner wall; the structure of the corrugated pipe body consists of an inner pipe wall, an outer pipe wall and corrugated grooves, wherein the corrugated grooves are uniformly formed in the corrugated pipe body; the corrugated pipe body surface is made of an electroplated layer, a powder spraying layer, an antirust oil layer and a chemical plating layer; chemical plating is plated on the inner wall of the tube; plating an electroplated layer on the outer wall of the tube; the powder spraying layer is sprayed on the inner wall of the corrugated groove; the rust-proof oil layer is coated on the electroplated layer and the powder-spraying layer.

Further, the material electroplated by the electroplated layer is C.

Further, the powder sprayed by the powder spraying layer is stainless steel.

Further, the rust-proof oil layer is electroplating rust-proof oil.

Furthermore, the chemical plating layer is chemical plating Ni-P.

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

the utility model has the advantages of the utility model achieves the effect of not only carrying out anti-oxidation treatment on the inner wall of the corrugated pipe but also effectively avoiding the outer wall of the corrugated pipe from being corroded, because of the corrugated groove, the liquid of the inner wall is more turbulent and urgent, leading to the increase of the oxidation degree, therefore, the inner wall of the pipe is coated with a layer of chemical plating layer by chemical plating, the chemical plating layer has good corrosion resistance in the media of acid, alkali, salt, ammonia, sea water and the like, thereby reducing the oxidation corrosion on the inner wall of the metal corrugated pipe, and the outer wall of the pipe is contacted with the air for a long time, and is added with humid weather and rainy weather, and is easier to be oxidized compared with the inner wall of the pipe, therefore, the outer wall of the pipe is plated with a layer of plating layer by electroplating, besides the function of corrosion resistance, the functions of decoration, heat resistance, wear resistance and the like are realized, and the, through high-pressure air or protective gas, the powder metal becomes vaporific spraying to the ripple inslot wall after being melted by flame or electric arc, form the powder layer of evenly covering, consequently usable powder layer provides anti-oxidation corrosion's effect, but in order to increase anti-oxidation corrosion's effect and prolong corrugated metal pipe's life, at the plating layer, the layer external surface of spraying, paint one deck rust-resistant oil reservoir, rust-resistant oil reservoir not only can further provide corrosion protection, more can provide one deck protective layer for the plating layer, the layer of spraying, protect the plating layer, the layer of spraying is not scratched or is damaged, in order to prolong corrugated metal pipe's life.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic view of the material structure of the corrugated pipe body of the present invention.

The labels in the figures are: 1-corrugated pipe body, 2-corrugated groove, 3-pipe outer wall, 4-pipe inner wall, 11-electroplated layer, 12-powder-sprayed layer, 13-antirust oil layer and 14-chemical plating layer.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

examples

A corrosion-proof metal corrugated pipe is shown in figures 1-3 and comprises a corrugated pipe body 1, a corrugated groove 2, a pipe outer wall 3 and a pipe inner wall 4; the corrugated pipe body 1 is structurally composed of a pipe inner wall 4, a pipe outer wall 3 and corrugated grooves 2, wherein the corrugated grooves 2 are uniformly formed in the corrugated pipe body 1; the surface material of the corrugated pipe body 1 is an electroplated layer 11, a powder spraying layer 12, an antirust oil layer 13 and a chemical plating layer 14; the chemical plating layer 14 is plated on the inner wall 4 of the tube; the electroplated layer 11 is plated on the outer wall 3 of the tube; the powder spraying layer 12 is sprayed on the inner wall of the corrugated groove 2; the rust-proof oil layer 13 is coated on the electroplated layer 11 and the powder spraying layer 12.

The material electroplated by the electroplated layer 11 is C.

The powder sprayed by the powder spraying layer 12 is stainless steel.

The rust-proof oil layer 13 is electroplating rust-proof oil.

The electroless plating layer 14 is electroless plating Ni-P.

The metal corrugated pipe is a pipe with a regular wave-like appearance, and the commonly used metal corrugated pipes comprise carbon steel, stainless steel, steel lining plastic, aluminum and the like. The connecting device is mainly used for connecting pipelines or connecting pipelines and equipment in occasions where small bending radius non-concentric axial transmission is needed, or irregular turning and stretching are needed, or thermal deformation of the pipelines and the like are absorbed, or the fixed elbow is inconvenient to install. Corrugated metal pipe is when using, often can provide the liquid circulation in pipe-line system, during long-time liquid transport, corrugated metal pipe inner wall 4 is owing to there is the ripple recess, therefore rivers are more torrential than usual pipeline, lead to liquid to strengthen corrugated metal pipe's oxidation effect, make corrugated metal pipe inner wall 4 change corrodes, and corrugated metal pipe's outer wall is under external environment, humid air and rainwater corrode for a long time and let its outer wall compare in the inner wall more easily corrodes, in order to solve individual problem, can use this corrugated metal pipe.

The metal corrugated pipe is composed of a pipe inner wall 4, a pipe outer wall 3 and a corrugated groove 2, when the metal corrugated pipe is connected into a pipeline system, liquid can be conveyed, under the condition that the pipe inner wall 4 conveys the liquid for a long time, the liquid on the inner wall is more turbulent due to the corrugated groove 2, so that the oxidation degree is increased, a chemical plating layer 14 is coated on the surface of the pipe inner wall 4 by chemical plating, the chemical plating layer has good corrosion resistance in acid, alkali, salt, ammonia, seawater and other media, so that the oxidation corrosion of the pipe inner wall 4 of the metal corrugated pipe can be reduced, the pipe outer wall 3 is more easily oxidized in humid weather and overcast and rainy weather due to long-term contact with air, and a plating layer 11 is coated on the pipe outer wall 3, and the plating layer 11 has the functions of decoration, heat resistance, wear resistance and the like besides the corrosion resistance function, because the inside of the corrugated groove 2 is a groove, the corrugated groove is difficult to electroplate, powder metal can be put into a spray gun by spraying, the powder metal is melted by flame or electric arc and then sprayed on the inner wall of the corrugated groove 2 in a mist shape by high-pressure air or protective gas to form a uniformly covered powder spraying layer 12, so the powder spraying layer 12 can be used for providing the effect of anti-oxidation corrosion, but in order to increase the effect of anti-oxidation corrosion and prolong the service life of the metal corrugated pipe, a layer of antirust oil layer 13 is coated on the outer surfaces of the electroplated layer 11 and the powder spraying layer 12, the antirust oil layer 13 not only can further provide the anticorrosion effect, but also can provide a protective layer for the electroplated layer 11 and the powder spraying layer 12, and protect the electroplated layer 11 and the powder spraying layer 12 from being scratched or damaged so as to prolong the service life of.

Although the present disclosure has been described in detail with reference to the exemplary embodiments, the present disclosure is not limited thereto, and it will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present disclosure.

Claims (5)

1. The anti-corrosion metal corrugated pipe is characterized by comprising a corrugated pipe body (1), a corrugated groove (2), an outer pipe wall (3) and an inner pipe wall (4); the structure of the corrugated pipe body (1) is composed of a pipe inner wall (4), a pipe outer wall (3) and corrugated grooves (2), wherein the corrugated grooves (2) are uniformly arranged on the corrugated pipe body (1); the surface of the corrugated pipe body (1) is made of an electroplated layer (11), a powder spraying layer (12), an antirust oil layer (13) and a chemical plating layer (14); the chemical plating layer (14) is plated on the inner wall (4) of the tube; the electroplated layer (11) is plated on the outer wall (3) of the tube; the powder spraying layer (12) is sprayed on the inner wall of the corrugated groove (2); the rust-proof oil layer (13) is coated on the electroplated layer (11) and the powder spraying layer (12).

2. The corrosion-resistant corrugated metal pipe as claimed in claim 1, wherein the material plated by the plating layer (11) is C.

3. Anti-corrosion metal bellows according to claim 1, wherein the powder sprayed by the powder-sprayed layer (12) is stainless steel.

4. A corrosion-proof metal corrugated pipe according to claim 1, wherein the rust preventive oil layer (13) is a plating rust preventive oil.

5. The corrosion-resistant corrugated metal tubing of claim 1, wherein the electroless plating (14) is electroless Ni-P plating.

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