CN214064203U

CN214064203U - Jacket heat tracing pipe

Info

Publication number: CN214064203U
Application number: CN202022623578.6U
Authority: CN
Inventors: 李小龙
Original assignee: MMI Planning and Engineering Institute IX Co Ltd
Current assignee: MMI Planning and Engineering Institute IX Co Ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-27
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a jacket heat tracing pipe, belonging to the technical field of heat tracing pipe heating systems, comprising an outer pipe, a jacket heat tracing pipe joint, an inner pipe, an outer connecting pipe flange and an inner pipe flange; the outer pipe and the jacket heat tracing pipe joint are both sleeved on the inner pipe and welded together, an outer pipe is welded on the outer wall of the jacket heat tracing pipe joint, the other end of the outer pipe is connected with an outer pipe flange, and one end of the inner pipe is connected with an inner pipe flange. The utility model provides a jacket heat tracing pipe joint which has reasonable and beautiful structure and small resistance; the field drilling workload is reduced, the installation efficiency is improved, and the installation difficulty is reduced; the manufacturing process is simpler, can be prefabricated in advance, and the batch production improves the product percent of pass, solves the heat tracing pipe problem used in the liquid wax heat preservation and transportation.

Description

Jacket heat tracing pipe

Technical Field

The utility model relates to a heat tracing pipe heating system is the car and irritates the wax production line, the necessary pipe fitting among the liquid wax heating system, also can be used to other heating jacket heat tracing pipe way systems.

Background

In the automobile chassis anticorrosion technology, paraffin is heated and melted in an automobile production factory and then is injected into an automobile chassis cavity, so that a layer of wax film is formed in the automobile chassis cavity, and the anticorrosion effect is achieved.

The jacket heat tracing pipe adopted in the liquid wax heating system of the wax filling production line at present needs to process pipe plugs at two ends of a pipeline, the processing technology of the pipe plugs is complex, the processing precision requirement is high, the welding technical requirement on welding workers is also high, two holes need to be formed according to the direction of a field water pipe, the processing precision and the welding quality are difficult to guarantee, the manufacturing cost is high, and the pipeline resistance is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the processing precision that exists among the prior art and welding quality poor, with high costs, the big scheduling problem of pipeline resistance, the utility model provides a press from both sides cover heat tracing pipe joint has solved the heat tracing pipe problem that uses in the liquid wax heat preservation is carried.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a jacket heat tracing pipe comprises an outer pipe 1, a jacket heat tracing pipe joint 2, an inner pipe 3, an outer connecting pipe 4, an outer connecting pipe flange 5 and an inner pipe flange 6; the outer pipe 1 and the jacket heat tracing pipe joint 2 are sleeved on the inner pipe 3, the outer pipe 1 and the jacket heat tracing pipe joint 2 are welded together, an outer connecting pipe 4 is welded on the outer wall of the jacket heat tracing pipe joint 2, the other end of the outer connecting pipe 4 is connected with an outer connecting pipe flange 5, and one end of the inner pipe 3 is connected with an inner pipe flange 6.

Preferably, the jacket heat tracing pipe joint 2 is a standard part which is directly punched and formed, the end of the jacket heat tracing pipe joint 2 is designed to be a round angle, and the radius of the round angle is 18-24 mm.

Preferably, the outer wall of the jacket heat tracing pipe joint 2 is provided with a connecting hole for communicating with the external connecting pipe 4.

Preferably, the connection position of the connecting hole and the outer wall of the jacket heat tracing pipe joint 2 is in arc transition.

Preferably, the pipeline wall thickness of the outer pipe 1 and the inner pipe 3 is 4-5mm, and the pipeline wall thickness of the external connecting pipe 4 is not less than 2.5 mm.

Preferably, the diameter B of the jacket heat tracing pipe joint 2 matched with the outer pipe is 89-108mm, the diameter A of the jacket heat tracing pipe joint 2 matched with the inner pipe is 57-76mm, the diameter C of the jacket heat tracing pipe joint 2 matched with the outer pipe is 27-33mm, the distance D from the hole center of the connecting hole of the jacket heat tracing pipe joint 2 matched with the outer pipe to the end head of the jacket heat tracing pipe joint is 50-80mm, and the length of the end head of the jacket heat tracing pipe joint is 100-160 mm.

Compared with the prior art, the utility model has the advantages as follows:

1. reasonable structure, beautiful appearance and small resistance;

2. the field drilling workload is reduced, the installation efficiency is improved, and the installation difficulty is reduced;

3. the manufacturing process is simpler, can be prefabricated in advance, and the mass production improves the product percent of pass.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of a jacket heat tracing pipe of the present invention;

FIG. 2 is a schematic structural view of a jacket heat tracing pipe joint of the present invention;

in the figure: the heat tracing pipe comprises an outer pipe 1, a jacket heat tracing pipe joint 2, an inner pipe 3, an external pipe 4, an external pipe flange 5 and an inner pipe flange 6.

Detailed Description

Embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the following embodiments are merely used to more clearly illustrate the technical solutions of the present invention, and therefore are only used as examples, and the protection scope of the present invention cannot be limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Example 1

As shown in fig. 1, a jacket heat tracing pipe comprises an outer pipe 1, a jacket heat tracing pipe joint 2, an inner pipe 3, an outer connecting pipe 4, an outer connecting pipe flange 5 and an inner pipe flange 6; the outer pipe 1 and the jacket heat tracing pipe joint 2 are sleeved on the inner pipe 3, the outer pipe 1 and the jacket heat tracing pipe joint 2 are welded together, an outer connecting pipe 4 is welded on the outer wall of the jacket heat tracing pipe joint 2, the other end of the outer connecting pipe 4 is connected with an outer connecting pipe flange 5, and one end of the inner pipe 3 is connected with an inner pipe flange 6; the multiple sections of jacket heat tracing pipes are connected through an external pipe connecting flange 5 and an inner pipe flange 6.

The jacket heat tracing pipe joint 2 is a standard part which is directly punched and formed, the end of the jacket heat tracing pipe joint 2 is designed to be a fillet, and the radius of the fillet is 18-24 mm.

And a connecting hole is formed in the outer wall of the jacket heat tracing pipe joint 2 and is used for being communicated with an external connecting pipe 4.

And the connecting part of the connecting hole and the outer wall of the jacket heat tracing pipe joint 2 is in arc transition.

The pipeline wall thickness of the outer pipe 1 and the inner pipe 3 is 4-5mm, and the pipeline wall thickness of the external connecting pipe 4 is not less than 2.5 mm.

The diameter B of the jacket heat tracing pipe joint 2 matched with the outer pipe is 89-108mm, the diameter A of the jacket heat tracing pipe joint 2 matched with the inner pipe is 57-76mm, the diameter C of the jacket heat tracing pipe joint matched with the outer pipe is 27-33mm, the distance D from the hole center of the connecting hole of the jacket heat tracing pipe joint 2 matched with the outer pipe to the end head of the jacket heat tracing pipe joint is 50-80mm, and the length of the end head of the jacket heat tracing pipe joint is 100-160 mm.

The manufacture process of the jacketed heat tracing pipe comprises the following steps:

according to the medium conveyed in the jacket heat tracing pipe and the use temperature, the thickness of the bottom material of the jacket heat tracing pipe joint is selected, the thickness is generally 4-5MM, the bottom material is stamped and formed on stamping equipment, and then cutting and hole opening are carried out by a numerical control machine tool, so that the edge of the jacket heat tracing pipe joint is smooth and neat, and the jacket heat tracing pipe joint can be assembled and welded with a corresponding pipeline.

Liquid needing heat preservation is conveyed in the inner pipe 3, such as liquid wax in an automobile wax filling process, liquid providing heat is conveyed in a cavity between the inner pipe 3 and the outer pipe 1, such as high-temperature water in the automobile wax filling process, each heat tracing pipe cannot be infinitely long, so that the high-temperature water providing heat between the heat tracing pipes is communicated through the external connecting pipe 4, and two ends of each heat tracing pipe are sealed by the new jacket heat tracing pipe joint 2.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. A jacket heat tracing pipe is characterized by comprising an outer pipe (1), a jacket heat tracing pipe joint (2), an inner pipe (3), an outer connecting pipe (4), an outer connecting pipe flange (5) and an inner pipe flange (6); the outer pipe (1) and the jacket heat tracing pipe joint (2) are sleeved on the inner pipe (3), the outer pipe (1) and the jacket heat tracing pipe joint (2) are welded together, an outer pipe (4) is welded on the outer wall of the jacket heat tracing pipe joint (2), the other end of the outer pipe (4) is connected with an outer pipe flange (5), and one end of the inner pipe (3) is connected with an inner pipe flange (6).

2. The jacket heat tracing pipe according to claim 1, wherein the jacket heat tracing pipe joint (2) is a standard piece formed by direct stamping, the end of the jacket heat tracing pipe joint (2) is designed to be a round angle, and the radius of the round angle is 18-24 mm.

3. The jacket heat tracing pipe according to claim 1, wherein the outer wall of the jacket heat tracing pipe joint (2) is provided with a connecting hole for communicating with the external pipe (4).

4. The jacket heat tracing pipe according to claim 3, wherein the junction of the connecting hole and the outer wall of the jacket heat tracing pipe joint (2) is in a circular arc transition.

5. The jacketed heat trace according to claim 1, wherein the outer pipe (1) and the inner pipe (3) have a pipe wall thickness of 4-5mm, and the outer pipe (4) has a pipe wall thickness of not less than 2.5 mm.

6. The jacket heat tracing pipe as defined in claim 1, wherein the diameter B of the jacket heat tracing pipe joint (2) fitted with the outer pipe is 89-108mm, the diameter A fitted with the inner pipe is 57-76mm, the diameter C fitted with the outer pipe is 27-33mm, the distance D from the center of the connecting hole of the jacket heat tracing pipe joint 2 fitted with the outer pipe to the end of the jacket heat tracing pipe joint is 50-80mm, and the length of the end of the jacket heat tracing pipe joint is 100-160 mm.