CN219511376U

CN219511376U - Stainless steel seamless steel pipe for heat exchanger

Info

Publication number: CN219511376U
Application number: CN202320511762.2U
Authority: CN
Inventors: 朱进强
Original assignee: Zhejiang Junqi Stainless Steel Co ltd
Current assignee: Zhejiang Junqi Stainless Steel Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-11
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a stainless steel seamless steel tube for a heat exchanger, which comprises a main tube and a U-shaped tube, wherein connecting ends are arranged at two ends of the U-shaped tube, a sealing groove is formed in one side of the connecting end, one end of the main tube is inserted into the sealing groove, a sealing component is arranged between the sealing groove and one end of the main tube, the main tube and the U-shaped tube both comprise an outer tube and an inner tube, the outer tube is sleeved on the surface of the inner tube, a heat conducting medium is filled between the outer tube and the inner tube, the sealing component comprises a sealing strip I and a sealing strip II, and the sealing strip I and the sealing strip II are both arranged in the sealing groove. The U-shaped pipe is convenient to detach and clean, the inside of the U-shaped pipe and the inside of the main pipe are filled with heat conducting medium, and the U-shaped pipe and the main pipe are supported by the supporting steel bars, so that the strength and the heat conducting performance are ensured, the whole weight is reduced, and the use cost is reduced.

Description

Stainless steel seamless steel pipe for heat exchanger

Technical Field

The utility model relates to the technical field of steel pipes, in particular to a stainless steel seamless steel pipe for a heat exchanger.

Background

The stainless steel tube is a hollow steel tube which is not easy to rust, the stainless steel tube is a hollow long cylindrical steel material, the application range of the stainless steel tube is used as a pipeline for conveying fluid, the stainless steel tube is mainly widely used for industrial conveying pipelines such as petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and other industrial conveying pipelines, mechanical structural parts and the like, the stainless steel tube is made of acid-resistant and heat-resistant brand steel billets through heating, perforation, sizing, hot rolling and cutting, and the stainless steel tube is classified: the stainless steel seamless steel pipe and the stainless steel welded steel pipe (seamed steel pipe) are basically two kinds, and can be divided into round pipes and special pipes according to the outer diameter shape of the steel pipe, and round steel pipes are widely used.

The traditional heat exchange tube used for the heat exchanger is mainly made of stainless steel tubes, and because the components are connected in a welding mode to ensure tightness, dirt can be generated on the inner wall of the heat exchange tube made of the stainless steel tubes after the heat exchange tube is used for a long time, the attached dirt greatly influences heat exchange of media in a pipeline, however, the heat exchange tube is inconvenient to clean due to more bending parts, and a stainless steel seamless steel tube for the heat exchanger is needed.

Disclosure of Invention

The utility model aims to provide a stainless steel seamless steel tube for a heat exchanger, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stainless steel seamless steel pipe for heat exchanger, includes is responsible for and U-shaped pipe, the both ends of U-shaped pipe all are provided with the link, the seal groove has been seted up to one side of link, the one end of being responsible for peg graft with in the seal groove, just the seal groove with be provided with seal assembly between the one end of being responsible for, be responsible for and the U-shaped pipe all include outer tube and inner tube, the outer tube cover is established the surface of inner tube, the outer tube with it has the heat-conducting medium to fill between the inner tube.

Preferably, the sealing assembly comprises a first sealing strip and a second sealing strip, and the first sealing strip and the second sealing strip are both arranged in the sealing groove.

Preferably, a circular groove is formed in one end surface of the main pipe, the first sealing strip is attached to the circular groove, and the second sealing strip is sleeved on one end surface of the main pipe.

Preferably, the two end surfaces of the main pipe are fixedly provided with connecting plates, and the connecting plates are fixedly connected with the end surfaces of the connecting ends through a plurality of bolts.

Preferably, an outer anti-corrosion layer is arranged on the outer wall of the outer tube, and an inner anti-corrosion layer is arranged on the inner wall of the inner tube.

Preferably, a plurality of supporting steel bars which are uniformly distributed along the axis are further arranged between the inner wall of the outer tube and the outer wall of the inner tube.

Compared with the prior art, the utility model has the beneficial effects that:

1. the main pipe, the U-shaped pipe, the connecting end, the sealing component and the connecting plate are arranged, so that the sealing device has good sealing property, is convenient to detach and install, and is convenient to detach and clean subsequently;

2. the utility model also provides a heat conducting medium and a supporting steel bar, ensures the strength and heat conducting performance of the main pipe and the U-shaped pipe, reduces the whole weight, reduces the cost and is more convenient to use.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic view of the external structure of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 1;

fig. 4 is a schematic cross-sectional view of a main pipe or a U-shaped pipe according to the present utility model.

In the figure: 1. a main pipe; 2. a U-shaped tube; 3. a connection end; 4. a seal assembly; 41. a first sealing strip; 42. a second sealing strip; 5. an outer tube; 6. an inner tube; 7. a heat-conducting medium; 8. a connecting plate; 9. an outer anti-corrosion layer; 10. an inner anti-corrosion layer; 11. supporting the steel bars.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the stainless steel seamless steel pipe for the heat exchanger comprises a main pipe 1 and a U-shaped pipe 2, wherein connecting ends 3 are arranged at two ends of the U-shaped pipe 2, a sealing groove is formed in one side of the connecting ends 3, one end of the main pipe 1 is inserted into the sealing groove, a sealing component 4 is arranged between the sealing groove and one end of the main pipe 1, the main pipe 1 and the U-shaped pipe 2 comprise an outer pipe 5 and an inner pipe 6, the outer pipe 5 is sleeved on the surface of the inner pipe 6, and a heat conducting medium 7 is filled between the outer pipe 5 and the inner pipe 6;

the sealing assembly 4 comprises a first sealing strip 41 and a second sealing strip 42, and the first sealing strip 41 and the second sealing strip 42 are both arranged in the sealing groove;

a circular groove is formed in one end surface of the main pipe 1, a first sealing strip 41 is attached to the circular groove, and a second sealing strip 42 is sleeved on one end surface of the main pipe 1;

the two end surfaces of the main pipe 1 are fixedly provided with connecting plates 8, and the connecting plates 8 are fixedly connected with the end surfaces of the connecting ends 3 through a plurality of bolts;

an outer anti-corrosion layer 9 is arranged on the outer wall of the outer tube 5, and an inner anti-corrosion layer 10 is arranged on the inner wall of the inner tube 6;

a plurality of supporting steel bars 11 which are uniformly distributed along the axis are also arranged between the inner wall of the outer tube 5 and the outer wall of the inner tube 6.

Working principle: when the sealing device is used, the main pipe 1 can be multiple as required, the multiple main pipes 1 are connected through the U-shaped pipe, one end of the main pipe 1 is inserted into the sealing groove of the connecting end 3 on the U-shaped pipe 2, the circular groove on the end face of the main pipe 1 can be bonded with the sealing strip I41 to form sealing, the sealing strip II 42 sleeved on the outer part of the main pipe 1 forms secondary sealing, the sealing performance is guaranteed, the main pipe 1 and the U-shaped pipe 2 are fixed through bolts on the connecting plate 8, the whole dismounting is convenient, the follow-up dismounting and cleaning are convenient, meanwhile, the U-shaped pipe 2 and the main pipe 1 are filled through the heat conducting medium 7, the supporting steel bar 11 is supported through the supporting steel bar 11, the strength and the heat conducting performance are guaranteed, the whole weight is reduced, and the use cost is reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stainless steel seamless steel pipe for heat exchanger, includes main pipe (1) and U-shaped pipe (2), its characterized in that: the utility model discloses a heat-conducting pipe, including U-shaped pipe (2), sealing groove and inner tube (6) are all provided with link (3) in the both ends of U-shaped pipe (2), the sealing groove has been seted up to one side of link (3), the one end grafting of being responsible for (1) with in the sealing groove, just be provided with seal assembly (4) between the one end of being responsible for (1) sealing groove, be responsible for (1) and U-shaped pipe (2) all include outer tube (5) and inner tube (6), outer tube (5) cover is established the surface of inner tube (6), outer tube (5) with it has heat-conducting medium (7) to fill between inner tube (6).

2. A stainless steel seamless steel tube for a heat exchanger according to claim 1, wherein: the sealing assembly (4) comprises a first sealing strip (41) and a second sealing strip (42), and the first sealing strip (41) and the second sealing strip (42) are both arranged in the sealing groove.

3. A stainless steel seamless steel tube for a heat exchanger according to claim 2, wherein: a circular groove is formed in one end surface of the main pipe (1), the first sealing strip (41) is attached to the circular groove, and the second sealing strip (42) is sleeved on one end surface of the main pipe (1).

4. A stainless steel seamless steel tube for a heat exchanger according to claim 1, wherein: the two end surfaces of the main pipe (1) are fixedly provided with connecting plates (8), and the connecting plates (8) are fixedly connected with the end surfaces of the connecting ends (3) through a plurality of bolts.

5. A stainless steel seamless steel tube for a heat exchanger according to claim 1, wherein: an outer anti-corrosion layer (9) is arranged on the outer wall of the outer tube (5), and an inner anti-corrosion layer (10) is arranged on the inner wall of the inner tube (6).

6. A stainless steel seamless steel tube for a heat exchanger according to claim 1, wherein: a plurality of supporting steel bars (11) which are uniformly distributed along the axis are also arranged between the inner wall of the outer tube (5) and the outer wall of the inner tube (6).