CN219221671U

CN219221671U - Corrosion-resistant stainless steel pipe

Info

Publication number: CN219221671U
Application number: CN202320183576.0U
Authority: CN
Inventors: 张鹏; 李隆印; 陈晓云; 朱光云; 刘海敏; 李洪
Original assignee: Zhejiang Jiarui Steel Industry Co ltd
Current assignee: Zhejiang Jiarui Steel Industry Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-06-20
Anticipated expiration: 2033-02-10

Abstract

The utility model relates to the technical field of stainless steel pipes, in particular to a corrosion-resistant stainless steel pipe which comprises an outer pipe and a stainless steel pipe main body, wherein an insulation structure is arranged at the inner end of the stainless steel pipe main body, the insulation structure comprises an insulation layer, and the outer wall of the insulation layer is fixedly connected with the stainless steel pipe main body. The heat-resistant layer is made of an alumina ceramic material, the alumina ceramic has good mechanical strength and high temperature resistance, the damage of a stainless steel tube caused by long-time conveying of high-temperature liquid is prevented, so that the high temperature resistance of the stainless steel tube is improved, the heat-insulating layer is made of a glass wool felt material, and the heat-insulating layer has good heat insulation, shock absorption, sound absorption and noise reduction treatment, so that the loss of the temperature of flowing liquid of an inner tube can be effectively reduced, and meanwhile, the noise generated during the flowing of the liquid is effectively reduced, the heat conduction performance of the stainless steel tube body is reduced, the heat loss of the conveyed liquid is reduced, and meanwhile, the heat pollution to the surrounding environment is reduced.

Description

Corrosion-resistant stainless steel pipe

Technical Field

The utility model relates to the technical field of stainless steel pipes, in particular to a corrosion-resistant stainless steel pipe.

Background

The stainless steel pipe is a hollow strip round steel, and is mainly widely used for industrial conveying pipelines and mechanical structural parts of petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like; the stainless steel pipe has wide application, so the use environment is complex and various

For example, the patent publication number CN215488120U, a corrosion-resistant stainless steel pipe, in the use process of the corrosion-resistant stainless steel pipe in the above document, an inner wall is coated with an anti-corrosion coating to avoid the situation that the corrosion of the stainless steel pipe causes leakage of the stainless steel pipe due to corrosion of the corrosive chemical liquid, however, in the process of conveying the liquid with higher temperature through the corrosion-resistant stainless steel pipe, the heat loss of the conveyed liquid is serious due to the higher heat conduction performance of the layered structure inside the corrosion-resistant stainless steel pipe, and meanwhile, the heat pollution is caused to the surrounding environment due to the heat transfer mode of the liquid inside the corrosion-resistant stainless steel pipe when flowing.

Disclosure of Invention

The utility model aims to solve the problem of high heat conduction performance of a layered structure in the prior art, and provides a corrosion-resistant stainless steel tube.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the corrosion-resistant stainless steel pipe comprises an outer pipe and a stainless steel pipe main body, wherein an insulation structure is arranged at the inner end of the stainless steel pipe main body, the insulation structure comprises an insulation layer, the outer wall of the insulation layer is fixedly connected with the stainless steel pipe main body, and the inner wall of the insulation layer is fixedly connected with a heat-resistant layer.

Preferably, the inner wall of the heat-resistant layer is fixedly connected with the inner tube.

Preferably, the inner wall of the inner tube is coated with an anti-corrosive layer.

Preferably, the inner wall of the outer tube is fixedly connected with a plurality of reinforcing ribs.

Preferably, the outer wall of the stainless steel pipe main body is fixedly connected with the reinforcing rib.

The corrosion-resistant stainless steel pipe provided by the utility model has the beneficial effects that: the heat-resistant layer is made of an alumina ceramic material, the alumina ceramic has good mechanical strength and high temperature resistance, the damage of a stainless steel tube caused by long-time conveying of high-temperature liquid is prevented, so that the high temperature resistance of the stainless steel tube is improved, the heat-insulating layer is made of a glass wool felt material, and the heat-insulating layer has good heat insulation, shock absorption, sound absorption and noise reduction treatment, so that the loss of the temperature of flowing liquid of an inner tube can be effectively reduced, and meanwhile, the noise generated during the flowing of the liquid is effectively reduced, the heat conduction performance of the stainless steel tube body is reduced, the heat loss of the conveyed liquid is reduced, and meanwhile, the heat pollution to the surrounding environment is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of FIG. 1A;

FIG. 3 is a schematic diagram of the front view structure of FIG. 1;

fig. 4 is a schematic structural view of the heat resistant layer and honeycomb of fig. 2.

In the figure: 1. the stainless steel pipe comprises an outer pipe, 2, a stainless steel pipe main body, 3, reinforcing ribs, 4, a heat-insulating structure, 4a1, a heat-resisting layer, 4a2, a heat-insulating layer, 411, a honeycomb structure, 5, an inner pipe, 6 and an anti-corrosion layer.

Detailed Description

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

example 1:

referring to fig. 1-4: in this embodiment, a corrosion-resistant stainless steel pipe, including outer tube 1 and stainless steel pipe main part 2, the inner of stainless steel pipe main part 2 is equipped with insulation construction 4, insulation construction 4 includes heat preservation 4a2, the outer wall and the stainless steel pipe main part 2 of heat preservation 4a2 are fixed to be linked to each other, the material of heat preservation 4a2 is glass wool felt material, have good thermal insulation, the shock attenuation, the sound absorption, noise reduction handles, can effectually reduce the loss of inner tube flowing liquid's temperature, the effectual noise that produces when reducing liquid flows, the inner wall and the heat-resistant layer 4a1 of heat preservation 4a2 are fixed to be linked to each other, the material of heat-resistant layer 4a1 is made for aluminium oxide ceramic material, aluminium oxide pottery has better mechanical strength and high temperature resistance, prevent to lead to stainless steel pipe damage because of long-time transport high temperature liquid, thereby the high temperature resistance of stainless steel pipe can have been improved, the inner wall and the inner tube 5 are fixed to link to each other, the inner wall of inner tube 5 is coated with anticorrosive layer 6, anticorrosive layer 6 material is RLHY-902 acid-alkali corrosion-resistant, the condition that has corrosivity corrosion-resistant liquid causes the stainless steel pipe to flow, the inner wall 3 is continuous with the outer wall of outer tube 2 is fixed to appear, the reinforcing rib is fixed to the reinforcing rib 3.

Working principle:

in the process of conveying liquid with higher temperature through the corrosion-resistant stainless steel pipe, the material of the heat-resistant layer 4a1 is made of an alumina ceramic material, the alumina ceramic has better mechanical strength and high temperature resistance, and the damage of the stainless steel pipe caused by long-time conveying of high-temperature liquid is prevented, so that the high temperature resistance of the stainless steel pipe is improved, the material of the heat-insulating layer 4a2 is made of a glass wool felt material, and the heat-insulating, shock-absorbing, sound-absorbing and noise-reducing treatment is good, so that the loss of the temperature of flowing liquid of an inner pipe can be effectively reduced, and meanwhile, the noise generated during the flowing of the liquid can be effectively reduced, so that the heat-conducting property of the stainless steel pipe body is reduced, the heat loss of the conveyed liquid is reduced, and meanwhile, the heat pollution to the surrounding environment is reduced.

Example 2:

referring to fig. 4: in this embodiment, a corrosion-resistant stainless steel pipe, wherein the heat insulation structure 4 may further include a honeycomb 411, the middle of the heat-resistant layer 4a1 is processed with the honeycomb 411, the heat-resistant layer 4a1 is increased to have high bearing capacity through the honeycomb 411, and meanwhile, the material of the heat-resistant layer 4a1 is saved.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims

1. The utility model provides a corrosion-resistant stainless steel pipe, includes outer tube (1) and stainless steel pipe main part (2), its characterized in that: the inner end of the stainless steel pipe main body (2) is provided with an insulation structure (4), the insulation structure (4) comprises an insulation layer (4 a 2), the outer wall of the insulation layer (4 a 2) is fixedly connected with the stainless steel pipe main body (2), and the inner wall of the insulation layer (4 a 2) is fixedly connected with the heat-resistant layer (4 a 1).

2. A corrosion resistant stainless steel tube according to claim 1, wherein: the inner wall of the heat-resistant layer (4 a 1) is fixedly connected with the inner tube (5).

3. A corrosion resistant stainless steel tube according to claim 2, wherein: the inner wall of the inner tube (5) is coated with an anti-corrosion layer (6).

4. A corrosion resistant stainless steel tube according to claim 1, wherein: the inner wall of the outer tube (1) is fixedly connected with a plurality of reinforcing ribs (3).

5. A corrosion resistant stainless steel tube according to claim 1, wherein: the outer wall of the stainless steel pipe main body (2) is fixedly connected with the reinforcing ribs (3).