CN212361074U

CN212361074U - Integrated waterproof heat-preservation rigid corrosion-resistant steel pipe

Info

Publication number: CN212361074U
Application number: CN202020582483.1U
Authority: CN
Inventors: 曲悦
Original assignee: Individual
Current assignee: Heilongjiang Huajin Metal Material Co ltd
Priority date: 2020-04-19
Filing date: 2020-04-19
Publication date: 2021-01-15
Anticipated expiration: 2030-04-19

Abstract

The utility model belongs to the technical field of the steel pipe, concretely relates to waterproof heat preservation rigidity corrosion-resistant steel pipe of integral type, including the steel pipe body, the steel pipe body is seamless steel pipe, be equipped with the cathodic protection device who applys the electric current for the steel pipe body on the steel pipe body, cathodic protection device sets up at steel pipe body surface, the inside anticorrosive coating film that is equipped with of steel pipe body, steel pipe body outside is equipped with the heat preservation, the heat preservation outside still is equipped with the outer tube, be equipped with the outer through-hole corresponding with cathodic protection device on the outer tube, be equipped with outer apron on the outer through-hole, outer apron and the corresponding swing joint of. This pipeline integral type structure reduces the inside gap that forms of pipeline, and thermal insulation performance is good, improves waterproof, heat preservation, corrosion resisting property of pipeline.

Description

Integrated waterproof heat-preservation rigid corrosion-resistant steel pipe

Technical Field

The utility model belongs to the technical field of the steel pipe, concretely relates to waterproof heat preservation rigidity corrosion-resistant steel pipe of integral type.

Background

The steel pipe is widely applied to the fields of fluid and powdery solid conveying, heat energy exchange, mechanical part and container manufacturing and the like, but the steel pipe is in direct contact with the inner surface of the steel pipe due to long-time contact with a conveying medium during conveying, so that the steel pipe body is rusted, large-area corrosion of the steel pipe is caused, the service life of the steel pipe is influenced, the heat preservation and waterproof performances are reduced, even leakage occurs, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: to the above defect, the utility model provides a waterproof heat preservation rigidity corrosion-resistant steel pipe of integral type, pipeline integral type structure reduces the inside formation gap of pipeline, and thermal insulation performance is good, improves waterproof, the heat preservation of pipeline, corrosion resisting property.

The utility model provides a technical scheme that its technical problem adopted as follows: the integral type waterproof heat preservation corrosion-resistant steel pipe of rigidity, including the steel pipe body, the steel pipe body is seamless steel pipe, be equipped with the cathodic protection device who applys the electric current for the steel pipe body on the steel pipe body, cathodic protection device sets up at steel pipe body surface, the inside anticorrosive coating film that is equipped with of steel pipe body, the steel pipe body outside is equipped with the heat preservation, the heat preservation outside still is equipped with the outer tube, be equipped with the outer through-hole corresponding with cathodic protection device on the outer tube, be equipped with outer apron on the outer through-hole, outer apron and the corresponding swing joint of outer through-hole.

Further, cathodic protection device includes reaction box and sacrificial anode, the sacrificial anode sets up in the reaction box, be equipped with the positive pole filler package between sacrificial anode and reaction box, be equipped with electrically conductive between sacrificial anode and steel pipe body, electrically conductive one end is the plane, and one end is the same with the laminating of steel pipe body.

Furthermore, the upper surface of the reaction box is provided with a box body through hole and a box body movable plate corresponding to the box body through hole, and the movable plate is connected with the reaction box through a box body hinge.

Further, the sacrificial anode is aluminum metal.

The utility model has the advantages that:

1. the pipeline steel pipe body is of an integrated structure of a seamless steel pipe, so that gaps formed inside the pipeline are reduced, the heat insulation performance is good, and the waterproof, heat insulation and corrosion resistance of the pipeline are improved; the corrosion-resistant film arranged inside the steel pipe body can improve the corrosion resistance of the steel pipe from the inside, the cathode protection device arranged outside can protect the steel pipe body from being corroded, double corrosion resistance is performed on the steel pipe body from the inside and the outside, and the corrosion resistance is good; the outer sleeve can protect built-in heat preservation, cathodic protection device, avoids adverse circumstances to heat preservation and cathodic protection device's damage, improves the life with the steel pipe body that the transport medium contacted.

2. The cathode protection device adopts the reaction box to place the sacrificial anode, and electrons can be lost through oxidation of the sacrificial anode in the steel pipe installation environment, so that the steel pipe body is protected from corrosion, the current is low, and the use is safe and reliable; the price is low, and the maintenance is not needed; the openable movable plate arranged on the surface of the reaction box can be replaced periodically after the sacrificial cathode does not work, so that the use cost is reduced.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

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

FIG. 2 is a schematic top view of the cathodic protection apparatus of the present invention;

wherein: 1 is the steel pipe body, 2 is cathodic protection device, 21 is the reaction box, 211 is the box through-hole, 212 is the box fly leaf, 213 is the box hinge, 22 is sacrificial anode, 23 is the anode filler bag, 24 is electrically conductive, 3 is the anticorrosive rete membrane, 4 is the heat preservation, 5 is the outer tube, 51 is outer through-hole, 52 is outer apron.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, corrosion-resistant steel pipe of waterproof heat preservation rigidity of integral type, including steel pipe body 1, steel pipe body 1 is seamless steel pipe, be equipped with cathodic protection device 2 who applys the electric current for steel pipe body 1 on the steel pipe body 1, cathodic protection device 2 sets up at steel pipe body 1 surface, cathodic protection device 2 includes reaction box 21 and sacrificial anode 22, sacrificial anode 22 sets up in reaction box 21, be equipped with anode filler package 23 between sacrificial anode 22 and the reaction box 21, sacrificial anode 22 is the aluminium metal, anode filler package 23 is that weight fraction 75% hydrous calcium sulfate, 20% bentonite and 5% sodium sulfate mix and form.

A conductive piece 24 is arranged between the sacrificial anode 22 and the steel pipe body 1, one end of the conductive piece 24 is a plane, and the other end is the same as the joint of the steel pipe body 1; the upper surface of the reaction box 21 is provided with a box body through hole 211 and a box body movable plate 212 corresponding to the box body through hole 211, and the movable plate 212 is connected with the reaction box 21 through a box body hinge 213;

the steel pipe comprises a steel pipe body 1 and is characterized in that an anti-corrosion layer film 3 is arranged inside the steel pipe body 1, a heat preservation layer 4 is arranged outside the steel pipe body 1, an outer sleeve 5 is further arranged outside the heat preservation layer 4, an outer through hole 51 corresponding to the cathode protection device 2 is formed in the outer sleeve 5, an outer cover plate 52 is arranged on the outer through hole 51, and the outer cover plate 52 is movably connected with the outer through hole 51 correspondingly.

The pipeline steel pipe body is of an integrated structure of a seamless steel pipe, so that gaps formed inside the pipeline are reduced, the heat insulation performance is good, and the waterproof, heat insulation and corrosion resistance of the pipeline are improved; the corrosion-resistant film arranged inside the steel pipe body can improve the corrosion resistance of the steel pipe from the inside, the cathode protection device arranged outside can protect the steel pipe body from being corroded, double corrosion resistance is performed on the steel pipe body from the inside and the outside, and the corrosion resistance is good; the outer sleeve can protect built-in heat preservation, cathodic protection device, avoids adverse circumstances to heat preservation and cathodic protection device's damage, improves the life with the steel pipe body that the transport medium contacted.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. Integral type waterproof insulation corrosion-resistant steel pipe of rigidity, including steel pipe body (1), steel pipe body (1) is seamless steel pipe, its characterized in that: be equipped with cathodic protection device (2) of applying the electric current for steel pipe body (1) on steel pipe body (1), cathodic protection device (2) set up at steel pipe body (1) surface, steel pipe body (1) inside is equipped with anticorrosive layer membrane (3), steel pipe body (1) outside is equipped with heat preservation (4), heat preservation (4) outside still is equipped with outer tube (5), be equipped with outer through-hole (51) corresponding with cathodic protection device (2) on outer tube (5), be equipped with outer apron (52) on outer through-hole (51), outer apron (52) and the corresponding swing joint of outer through-hole (51).

2. The integrated waterproof heat-preservation rigid corrosion-resistant steel pipe according to claim 1, characterized in that: cathodic protection device (2) are including reaction box (21) and sacrificial anode (22), sacrificial anode (22) set up in reaction box (21), be equipped with anode filler package (23) between sacrificial anode (22) and reaction box (21), be equipped with electrically conductive piece (24) between sacrificial anode (22) and steel pipe body (1), electrically conductive piece (24) one end is the plane, and one end is the same with steel pipe body (1) laminating.

3. The integrated waterproof heat-preservation rigid corrosion-resistant steel pipe according to claim 2, characterized in that: the reaction box (21) upper surface is equipped with box body through-hole (211), with box body fly leaf (212) that box body through-hole (211) correspond, fly leaf (212) pass through box body hinge (213) with reaction box (21) and are connected.

4. The integrated waterproof heat-preservation rigid corrosion-resistant steel pipe according to claim 2, characterized in that: the sacrificial anode (22) is aluminum metal.