CN218210945U

CN218210945U - Boiler heat exchange tube

Info

Publication number: CN218210945U
Application number: CN202222592275.1U
Authority: CN
Inventors: 谭宗宁; 张军; 李宪宗; 霍灿华; 宋敏; 李钊才; 刘赛涛
Original assignee: Guangzhou Sunwin New Materials Group Co ltd
Current assignee: Guangzhou Sunwin New Materials Group Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-03
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a pipe for boiler heat exchange, including hot exchange pipe body, hot exchange pipe body includes outer pipe layer, reinforcement pipe layer, inner pipe layer, outer automatically cleaning layer and interior automatically cleaning layer, it connects to consolidate pipe layer fixed connection on the inner wall on outer pipe layer, inner pipe layer fixed connection is in consolidate on the inner wall on pipe layer, outer automatically cleaning layer fixed connection is in on the outer wall on outer pipe layer, interior automatically cleaning layer fixed connection is in on the inner wall on inner pipe layer, fixed cover is equipped with a plurality of annular conducting strips on hot exchange pipe body's the outer pipe wall, and is a plurality of annular conducting strip is equidistant annular and arranges. The utility model relates to a rationally, the practicality is good, has not only improved the hardness of hot exchange pipe body to can increase the heat transfer area of hot exchange pipe body, can make the outer pipe wall and the interior pipe wall of hot exchange pipe body keep clean moreover, be difficult for the scale deposit, have the advantage that heat exchange efficiency is high and life is longer.

Description

Pipe for boiler heat exchange

Technical Field

The utility model relates to the technical field of pipelines, specifically a boiler heat exchange is with pipe.

Background

The heat exchanger is an important component in a boiler, the heat exchanger is a device for transferring heat from high-temperature fluid to low-temperature fluid so as to meet the specified process requirements, and is an industrial application of convection heat transfer and heat conduction.

However, when the existing pipeline for boiler heat exchange is used, the heat exchange pipe is mostly made of aluminum materials or copper materials, because the density of the aluminum materials or the copper materials is small, the hardness of the heat exchange pipe is insufficient, the stress is easy to bend, deform or damage, and the service life of the heat exchange pipe is further reduced, and when the pipeline is used for a long time, dirt in boiler smoke or clean water is easy to adhere to the outer pipe wall or the inner pipe wall of the heat exchange pipe to form scale, along with the increase of the scale formation thickness, the heat exchange efficiency of the heat exchange pipe is continuously reduced, and the heat exchange efficiency is unstable.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a boiler heat exchange is with pipe, it adopts aluminum product or copper product to make mostly to have solved current hot exchange pipe, because the density of aluminum product or copper product is less, can lead to hot exchange pipe's hardness not enough, the atress is easily by bending deformation or damage, and then the life of hot exchange pipe has been reduced, and dirt in boiler flue gas or the clear water easily adheres to the scale deposit on hot exchange pipe's outer pipe wall or the interior pipe wall, along with the increase of scale deposit thickness, can lead to hot exchange pipe's heat exchange efficiency constantly to reduce, lead to the unstable problem of heat exchange efficiency.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a pipe for boiler heat exchange, includes hot exchange pipe body, hot exchange pipe body includes outer pipe layer, reinforcement pipe layer, interior pipe layer, outer self-cleaning layer and interior self-cleaning layer, reinforcement pipe layer fixed connection is in on the inner wall of outer pipe layer, interior pipe layer fixed connection is in on the inner wall of reinforcement pipe layer, outer self-cleaning layer fixed connection is in on the outer wall of outer pipe layer, interior self-cleaning layer fixed connection is in on the inner wall of interior pipe layer.

Preferably, the outer tube wall of the heat exchange tube body is fixedly sleeved with a plurality of annular heat conducting fins which are annularly arranged at equal intervals.

Preferably, a plurality of heat conducting strips are fixedly mounted on the inner pipe wall of the heat exchange pipe body, and the heat conducting strips are annularly arranged at equal intervals.

Preferably, the outer pipe layer and the inner pipe layer are both made of copper-aluminum alloy materials, the wall thickness of the outer pipe layer is 1-2mm, the wall thickness of the inner pipe layer is 1-2mm, the reinforced pipe layer is made of steel, and the wall thickness of the reinforced pipe layer is 0.3-0.8mm.

Preferably, the outer self-cleaning layer and the inner self-cleaning layer are both made of super-hydrophobic nano-silica materials.

Preferably, the thickness of the outer self-cleaning layer is 0.1-0.3mm, and the thickness of the inner self-cleaning layer is 0.1-0.3mm.

(III) advantageous effects

The utility model provides a boiler heat exchange tube. The method has the following beneficial effects:

(1) This boiler is pipe for heat exchange, through the connection cooperation that utilizes outer pipe layer, reinforcement pipe layer and interior pipe layer, can be so that hot exchange pipe body has when good heat conductivility, can increase the hardness of hot exchange pipe body again, and then can improve the life of hot exchange pipe body.

(2) This boiler is pipe for heat exchange through utilizing a plurality of annular conducting strips and a plurality of heat conduction strip, can increase the heat transfer area of hot exchange pipe body, and then can improve heat exchange efficiency.

(3) This pipe for boiler heat exchange through utilizing outer automatically cleaning layer and interior automatically cleaning layer, can effectually prevent that the impurity filth from attaching to the outer pipe wall of hot exchange pipe body and interior pipe wall on the scale deposit and reducing heat transfer effect, can keep the outer pipe wall of hot exchange pipe body and interior pipe wall clean, further improves the heat exchange efficiency of hot exchange pipe body, guarantees that heat exchange efficiency is stable.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a side cross-sectional structural view of the heat exchange tube body;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. a heat exchange tube body; 2. an outer tube layer; 3. reinforcing the tube layer; 4. an inner tube layer; 5. an outer self-cleaning layer; 6. an inner self-cleaning layer; 7. an annular heat-conducting fin; 8. a heat conducting strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention, and in addition, in the description of the present invention, "a plurality" means two or more unless otherwise specifically defined.

As shown in fig. 1-3, the utility model provides a technical solution: a boiler heat exchange tube comprises a heat exchange tube body 1, wherein the heat exchange tube body 1 comprises an outer tube layer 2, a reinforcing tube layer 3, an inner tube layer 4, an outer self-cleaning layer 5 and an inner self-cleaning layer 6, the reinforcing tube layer 3 is fixedly connected to the inner wall of the outer tube layer 2, the inner tube layer 4 is fixedly connected to the inner wall of the reinforcing tube layer 3, the outer self-cleaning layer 5 is fixedly connected to the outer wall of the outer tube layer 2, the outer self-cleaning layer 5 can effectively prevent dust impurities in boiler flue gas from attaching to the outer tube wall of the heat exchange tube body 1 to form scale when the heat exchange tube body 1 is installed in a flue tube boiler for use, the dust impurities in clean water can be effectively prevented from attaching to the outer tube wall of the heat exchange tube body 1 to form scale when the heat exchange tube body 1 is installed in the flue tube boiler for use, the inner self-cleaning layer 6 is fixedly connected to the inner wall of the inner tube layer 4, the inner self-cleaning layer 6 is arranged, and the dust impurities in the clean water can be effectively prevented from attaching to the inner tube body 1 when the heat exchange tube boiler flue gas attaches to the inner tube wall of the heat exchange tube boiler.

In this embodiment, fixed cover is equipped with a plurality of annular conducting strips 7 on heat exchange tube body 1's the outer pipe wall, a plurality of annular conducting strips 7 are equidistant annular and arrange, fixed mounting has a plurality of heat conduction strips 8 on heat exchange tube body 1's the inner pipe wall, a plurality of heat conduction strips 8 are equidistant annular and arrange, a plurality of annular conducting strips 7 and a plurality of heat conduction strips 8 all adopt the aluminum product to make, utilize a plurality of annular conducting strips 7 and a plurality of heat conduction strips 8, heat exchange tube body 1's heat transfer area has been increased, and then can strengthen heat exchange tube body 1's heat transfer effect.

In this embodiment, the outer tube layer 2 and the inner tube layer 4 are both made of copper-aluminum alloy material, the wall thickness of the outer tube layer 2 is 1-2mm, the wall thickness of the inner tube layer 4 is 1-2mm, the reinforcing tube layer 3 is made of steel, the wall thickness of the reinforcing tube layer 3 is 0.3-0.8mm, and the heat exchange tube body 1 has good heat conductivity and can increase the hardness of the heat exchange tube body 1 by utilizing the connection cooperation of the outer tube layer 2, the reinforcing tube layer 3 and the inner tube layer 4.

In this embodiment, the outer self-cleaning layer 5 and the inner self-cleaning layer 6 are both made of super-hydrophobic nano-silica materials, and the outer self-cleaning layer 5 and the inner self-cleaning layer 6 made of the super-hydrophobic nano-silica materials have the self-cleaning functions of hydrophobic and oleophobic property, high hardness, wear resistance, high temperature resistance, corrosion resistance and the like, so that the corrosion resistance, the wear resistance, the hardness and the high temperature resistance of the heat exchange tube body 1 are improved.

In this embodiment, the thickness of the outer self-cleaning layer 5 is 0.1-0.3mm, the thickness of the inner self-cleaning layer 6 is 0.1-0.3mm, and the heat exchange effect of the heat exchange tube body 1 is not affected by adopting the outer self-cleaning layer 5 and the inner self-cleaning layer 6 with the thickness of 0.1-0.3mm.

In this embodiment, the outside surface of a plurality of annular conducting strips 7 and the surface of a plurality of heat conduction strip 8 also coat with super hydrophobic nanometer silica material, and then make also be difficult for having incrustation scale or cigarette smoke on a plurality of annular conducting strips 7 and a plurality of heat conduction strip 8 attached to, and then can guarantee that heat exchange efficiency is stable.

When the heat exchange tube is used, the outer tube layer 2 and the inner tube layer 4 made of copper-aluminum alloy materials are utilized, the reinforcing tube layer 3 made of steel is utilized, under the connecting and matching action of the outer tube layer 2, the reinforcing tube layer 3 and the inner tube layer 4, the heat exchange tube body 1 has good heat conductivity, the hardness of the heat exchange tube body 1 can be increased, the heat exchange tube body 1 can be effectively prevented from being bent and deformed or damaged due to stress, the service life of the heat exchange tube body 1 can be prolonged, the heat exchange area of the heat exchange tube body 1 can be increased by utilizing the annular heat conducting sheets 7 and the heat conducting strips 8 made of aluminum materials, the heat exchange effect of the heat exchange tube body 1 can be enhanced, the heat exchange efficiency is improved, the outer self-cleaning layer 5 and the inner self-cleaning layer 6 made of super-hydrophobic nano silica materials are utilized, impurities can be effectively prevented from being attached to the outer tube wall and the inner tube wall of the heat exchange tube body 1, the heat exchange effect is reduced, the heat exchange efficiency of the heat exchange tube body 1 can not be aggravated due to scaling, the fact that the outer tube wall and the scaling of the heat exchange tube body 1 can be maintained clean, and the scaling efficiency of the heat exchange tube body 1 can be guaranteed, and the scaling of the heat exchange tube is not improved.

In conclusion, the boiler heat exchange tube has the advantages of high heat exchange efficiency and long service life.

Claims

1. The utility model provides a boiler heat is pipe for exchange, includes heat exchange tube body (1), its characterized in that: the heat exchange tube body (1) comprises an outer tube layer (2), a reinforcing tube layer (3), an inner tube layer (4), an outer self-cleaning layer (5) and an inner self-cleaning layer (6), wherein the reinforcing tube layer (3) is fixedly connected to the inner wall of the outer tube layer (2), the inner tube layer (4) is fixedly connected to the inner wall of the reinforcing tube layer (3), the outer self-cleaning layer (5) is fixedly connected to the outer wall of the outer tube layer (2), and the inner self-cleaning layer (6) is fixedly connected to the inner wall of the inner tube layer (4).

2. The boiler heat exchange tube of claim 1, wherein: the heat exchange tube is characterized in that a plurality of annular heat conducting fins (7) are fixedly sleeved on the outer tube wall of the heat exchange tube body (1), and the annular heat conducting fins (7) are annularly arranged at equal intervals.

3. The boiler heat exchange tube of claim 1, wherein: a plurality of heat conduction strips (8) are fixedly mounted on the inner pipe wall of the heat exchange pipe body (1), and the heat conduction strips (8) are annularly arranged at equal intervals.

4. The tube for a boiler heat exchange according to claim 1, wherein: the outer pipe layer (2) and the inner pipe layer (4) are both made of copper-aluminum alloy materials, the wall thickness of the outer pipe layer (2) is 1-2mm, the wall thickness of the inner pipe layer (4) is 1-2mm, the reinforced pipe layer (3) is made of steel, and the wall thickness of the reinforced pipe layer (3) is 0.3-0.8mm.

5. The boiler heat exchange tube of claim 1, wherein: the outer self-cleaning layer (5) and the inner self-cleaning layer (6) are both made of super-hydrophobic nano silicon dioxide materials.

6. The tube for a boiler heat exchange according to claim 1, wherein: the thickness of the outer self-cleaning layer (5) is 0.1-0.3mm, and the thickness of the inner self-cleaning layer (6) is 0.1-0.3mm.