CN214701876U

CN214701876U - Temperature-controllable heat exchanger

Info

Publication number: CN214701876U
Application number: CN202121055669.2U
Authority: CN
Inventors: 李金贵
Original assignee: Shandong Fengpu Environmental Protection Technology Co ltd
Current assignee: Shandong Fengpu Environmental Protection Technology Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-12
Anticipated expiration: 2031-05-17

Abstract

The application provides a temperature-controllable heat exchanger, which comprises a shell, a heat pipe and an inflation pipeline, wherein a partition plate is arranged in the middle of the shell and divides the shell into an upper cavity and a lower cavity; the heat pipes are arranged in the shell, the middle parts of the heat pipes penetrate through the partition plate, the upper ends of the heat pipes are provided with air storage cavities, and the lower ends of the heat pipes are evaporation ends; the heat pipes are respectively connected with the inflation pipeline through connecting pieces, and the air storage cavities of the heat pipes are communicated with the inflation pipeline; the connecting piece comprises a first connecting pipe and a second connecting pipe which are vertically arranged, the first connecting pipe is sleeved on the periphery of the inflation pipeline, one end, away from the evaporation end, of the heat pipe is sleeved in the second connecting pipe, and the first connecting pipe is provided with a through hole communicated with the second connecting pipe. The heat exchanger of this application is except that heat transfer temperature is controllable, links to each other a plurality of heat pipes and an inflation pipe through the connecting piece, and simple structure is practical, not only more practices thrift the cost, still possesses the advantage of better installation, change dismantlement maintenance.

Description

Temperature-controllable heat exchanger

Technical Field

The application relates to the field of heat exchange equipment, in particular to a temperature-controllable heat exchanger.

Background

A heat exchanger (also called heat exchanger) is a device that transfers part of the heat of a hot fluid to a cold fluid. The heat pipe transfers heat through evaporation and condensation of working medium in the totally-enclosed pipe shell, and has a series of advantages of extremely high heat conductivity, controllable temperature and the like. Heat exchangers composed of heat pipes are currently widely used in the industries of metallurgy, chemical industry, oil refining, boilers, ceramics, traffic, light textile, machinery, and the like.

The existing heat pipe is characterized in that a specific working medium is added, air in the heat pipe is evacuated and then inert gas is filled, the purpose that a heat pipe heat exchange starting temperature value can be set is achieved, however, in order to improve heat exchange efficiency, a plurality of heat pipes are required to be arranged, a plurality of air filling and exhausting devices are required, and cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the present application provides a temperature-controllable heat exchanger, including:

the middle part of the shell is provided with a clapboard which divides the shell into an upper cavity and a lower cavity;

the heat pipes are arranged in the shell, the middle of each heat pipe penetrates through the partition plate, an air storage cavity is formed in the upper end of each heat pipe, and the lower end of each heat pipe is an evaporation end;

the heat pipes are respectively connected with the inflation pipeline through connecting pieces, and the gas storage cavities of the heat pipes are communicated with the inflation pipeline;

the connecting piece comprises a first connecting pipe and a second connecting pipe which are vertically arranged, the first connecting pipe is sleeved on the periphery of the inflation pipeline, one end, away from the evaporation end, of the heat pipe is sleeved in the second connecting pipe, and the first connecting pipe is provided with a through hole communicated with the second connecting pipe.

The controllable temperature refers to that the lowest wall temperature value of the heat pipe is controllable, and the controllable principle is as follows: according to the temperature needing heat exchange, after a corresponding working medium is added into the heat pipe, inert gas is filled into the heat pipe so that the pressure in the heat pipe reaches a specific value, and then the heat pipe is sealed, so that the purpose of setting the heat exchange starting temperature value of the heat pipe and controlling the starting temperature value of the heat pipe is achieved.

Wherein, the working medium added in the heat pipe is water, ethanol or acetone; the gas filled in the heat pipe is nitrogen, argon, xenon, helium or radon.

The heat exchanger of this application is except that heat transfer temperature is controllable, links to each other a plurality of heat pipes and an inflation pipe through the connecting piece, and simple structure is practical, not only more practices thrift the cost, still possesses the advantage of better installation, change dismantlement maintenance.

Furthermore, one end, away from the evaporation end, of the heat pipe is provided with a sleeve which is used for being connected with a second connecting pipe, the sleeve is communicated with the gas storage cavity, the sleeve is composed of an arc-shaped plate and a flat plate, the width of the flat plate is smaller than the diameter of the arc-shaped plate, and the radian of the arc-shaped plate is matched with the radian of the inner wall of the second connecting pipe.

Furthermore, the device also comprises a plugging part, wherein the plugging part is arranged between the flat plate and the inner wall of the second connecting pipe, and the length of the plugging part extending into the second connecting pipe is greater than the length of the sleeve extending into the second connecting pipe.

This application sleeve pipe is through setting up segmental arc and straightway for the sleeve pipe is changeed and is assembled in the second connecting pipe, also makes the shutoff portion carry out the shutoff more easily, and sealed effect after the shutoff is better.

The limit of the extending length of the plugging part prevents the backflow liquid of the condensation section from being blocked by the plugging part and cannot smoothly flow back to the lower end of the heat pipe.

Furthermore, a positioning clamping part used for installing the first connecting pipe is arranged on the pipeline wall of the inflation pipeline.

Furthermore, the positioning clamping part comprises an elastic part and a clamping part which are connected, and a groove for installing the elastic part is formed in the wall of the pipeline of the inflation pipeline.

Furthermore, the clamping piece is spherical or hemispherical.

Further, the elastic member is a spring.

According to the inflatable pipeline connecting piece, the positioning clamping portion is arranged, so that on one hand, the connecting piece can be positioned in the inflatable pipeline; on the other hand, prevent that the connecting piece from taking place the displacement on the gas-filled pipeline in the use and then influence gas and get into in the heat pipe smoothly.

Furthermore, the heat pipe structure further comprises fins, wherein the fins are arranged on the outer wall of the heat pipe and arranged at one end, located on the upper cavity, of the heat pipe. The fins are arranged to improve the heat dissipation effect.

Furthermore, the upper cavity is provided with a cold fluid inlet and a cold fluid outlet, and the cold fluid outlet is arranged above the cold fluid inlet.

Furthermore, the lower cavity is provided with a hot fluid inlet and a hot fluid outlet, and the hot fluid inlet is arranged above the hot fluid outlet.

The beneficial effect of this application is as follows:

1. the heat exchanger has the advantages that the heat exchange temperature is controllable, and the heat pipes are connected with one inflation pipeline through the connecting pieces, so that the structure is simple and practical, the cost is saved, and the heat exchanger has the advantages of better installation and easier disassembly and maintenance;

2. according to the sleeve, the arc-shaped section and the straight line section are arranged, so that the sleeve is easier to assemble in the second connecting pipe, the plugging part is easier to plug, and the sealing effect after plugging is better;

3. the limit of the extending length of the plugging part is used for preventing the backflow liquid of the condensation section from being blocked by the plugging part and failing to smoothly flow back to the lower end of the heat pipe;

4. according to the inflatable pipeline connecting piece, the positioning clamping portion is arranged, so that on one hand, the connecting piece can be positioned in the inflatable pipeline; on the other hand, prevent that the connecting piece from taking place the displacement and then influence gas smooth entering heat pipe when aerifing on the pipeline that aerifys in the use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic diagram of a heat exchanger according to the present application;

FIG. 2 is a schematic view of the assembly of the connector, the gas-filled conduit and the heat pipe in the present application;

FIG. 3 is a left side sectional view of FIG. 2;

FIG. 4 is a schematic structural view of a bushing of the present application;

FIG. 5 is a schematic structural view of a positioning clip portion in the present application;

fig. 6 is an enlarged view of the part a in fig. 5.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 3, the temperature-controllable heat exchanger in the present embodiment includes a housing 1, a heat pipe 2, and an air charging duct 3; a partition plate 4 is arranged in the middle of the shell 1, and the shell 1 is divided into an upper cavity 11 and a lower cavity 12 by the partition plate 4; the heat pipes 2 are arranged in the shell 1, the middle parts of the heat pipes 2 penetrate through the partition plate 4, the upper ends of the heat pipes 2 are provided with air storage cavities 21, and the lower ends of the heat pipes 2 are evaporation ends; the heat pipes 2 are respectively connected with the air charging pipeline 3 through connecting pieces, and the air storage cavities 21 of the heat pipes 2 are communicated with the air charging pipeline 3; the connecting piece comprises a first connecting pipe 51 and a second connecting pipe 52 which are vertically arranged, the first connecting pipe 51 is sleeved on the periphery of the inflation pipeline 3, one end of the heat pipe 2, which is far away from the evaporation end, is sleeved in the second connecting pipe 52, and the first connecting pipe 51 is provided with a through hole communicated with the second connecting pipe 52.

When the heat exchanger is assembled, the first connecting pipe 51 is sleeved on the periphery of the inflation pipeline 3, so that the inflation through hole of the inflation pipeline 3 is communicated with the through hole of the first connecting pipe 51, and then the upper end of the heat pipe 2 is sleeved on the second connecting pipe 52, so that the gas filled in the inflation pipeline 3 can enter the gas storage cavity 21 of the heat pipe 2. Utilize the connecting piece just can realize installing many heat pipes 2 on an inflation pipeline 3, and it is more convenient to install, and also the later stage is dismantled work such as change, maintenance more easily.

It can be understood that, in order to improve the heat dissipation efficiency, a fin 6 is further included, the fin 6 is mounted on the outer wall of the heat pipe 2, and the fin 6 is disposed at one end of the heat pipe 2, which is located at the upper cavity 11.

It can be understood that the upper chamber 11 is opened with a cold fluid inlet 111 and a cold fluid outlet 112, and the cold fluid outlet 112 is disposed above the cold fluid inlet 111.

It can be understood that the lower chamber 12 is opened with a hot fluid inlet 121 and a hot fluid outlet 122, and the hot fluid inlet 121 is disposed above the hot fluid outlet 122.

When the heat exchanger is used, hot fluid enters from the hot fluid inlet 121, flows out from the hot fluid outlet 122 after heat exchange, cold fluid enters from the cold fluid inlet 111, flows out from the cold fluid outlet 112 after heat exchange, and the heat exchange process is completed.

It will be appreciated that the entry of working fluid vapor into plenum 3 can be minimized by adjusting the length and diameter of sleeve 22 and second connecting tube 52, and controlling the rate of condensation of the cold fluid on the working fluid vapor.

In another embodiment, as shown in fig. 2-4, a sleeve 22 for connecting with the second connection pipe 52 is disposed at an end of the heat pipe 2 away from the evaporation end, the sleeve 22 is communicated with the air storage chamber 21, the sleeve 22 is composed of an arc-shaped plate 221 and a flat plate 222, a width of the flat plate 222 is smaller than a diameter of the arc-shaped plate 221, and a radian of the arc-shaped plate 221 is matched with a radian of an inner wall of the second connection pipe 52. The plugging device further comprises a plugging portion 7, the plugging portion 7 is arranged between the flat plate 222 and the inner wall of the second connecting pipe 52, and the length of the plugging portion 7 extending into the second connecting pipe 52 is larger than the length of the sleeve 22 extending into the second connecting pipe 52.

Because the temperature control of the heat exchanger is to be realized, namely the gas filling process is important, the requirement on the connection tightness between the connecting piece and the heat pipe 2 is higher, if the sleeve 22 is a hollow cylinder, the sleeve is sleeved in the second connecting pipe 52 which is also a hollow cylinder; and in the later period, the sealing effect is difficult to maintain for a long time due to flow disturbance of cold fluid and hot fluid during heat exchange. In the embodiment, a section of circular arc of the cylinder is changed into a straight line, the sleeve 22 is arranged in the second connecting pipe 52 during assembly, one end of the circular arc abuts against the inner wall of the second connecting pipe 52, and then the plugging part 7 is arranged to complete plugging; or the plugging part 7 is firstly installed on the inner wall of the second connecting pipe 52, and then the sleeve 22 is sleeved in the second connecting pipe 52, so that the sealing effect similar to interference fit is realized; the blocking portion 7 may be made of elastic material such as rubber, so that due to the effect of the blocking portion 7, a dynamic sealing effect can be achieved between the second connecting pipe 52 and the sleeve 22, and the maintaining time of the sealing effect is longer.

In another embodiment, as shown in fig. 5 to 6, a positioning snap-in portion 8 for mounting the first connecting pipe 51 is provided on the pipe wall of the inflation pipe 3. The positioning clamping part 8 comprises an elastic part 81 and a clamping part 82 which are connected, and a groove 31 for installing the elastic part 81 is formed in the wall of the inflation pipeline 3.

It will be appreciated that the snap-in members 82 are more easily retracted into the grooves 31 when the first connecting pipe 51 is displaced in the adjusted position on the inflation duct 3, and the snap-in members 82 are spherical or semi-spherical.

It is understood that the elastic member 81 is a spring.

Location joint portion 8 in this embodiment is when using, first connecting pipe 51 cover is established on inflation tube 3, when needing the adjustment position, joint spare 82 retracts to in recess 31 under the effect of elastic component 81, when adjusting the position, joint spare 82 pops out under the effect of elastic component 81, just in time with first connecting pipe 51 card between two location joint portions 8, such benefit lies in, first connecting pipe 51 assembles more conveniently, and is more accurate, has realized the positioning action of connecting piece.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A temperature-controllable heat exchanger, comprising:

the air charging pipeline is connected with the plurality of heat pipes through connecting pieces respectively, and air storage cavities of the heat pipes are communicated with the air charging pipeline;

2. The temperature-controllable heat exchanger according to claim 1, wherein a sleeve for connecting with the second connecting pipe is disposed at an end of the heat pipe away from the evaporation end, the sleeve is communicated with the gas storage chamber, the sleeve is composed of an arc-shaped plate and a flat plate, a width of the flat plate is smaller than a diameter of the arc-shaped plate, and a radian of the arc-shaped plate is matched with a radian of an inner wall of the second connecting pipe.

3. The temperature-controllable heat exchanger according to claim 2, further comprising a plugging portion, wherein the plugging portion is disposed between the flat plate and the inner wall of the second connection pipe, and the length of the plugging portion extending into the second connection pipe is greater than the length of the sleeve extending into the second connection pipe.

4. The temperature-controllable heat exchanger according to claim 1, wherein a positioning clamping portion for mounting the first connecting pipe is arranged on a pipe wall of the gas charging pipe.

5. The temperature-controllable heat exchanger according to claim 4, wherein the positioning clamping part comprises an elastic part and a clamping part which are connected, and a groove for installing the elastic part is formed in the wall of the inflation pipeline.

6. The temperature-controllable heat exchanger according to claim 5, wherein the clamping member is spherical or hemispherical.

7. A temperature-controlled heat exchanger according to claim 5, wherein the elastic member is a spring.

8. The temperature-controllable heat exchanger according to claim 1, further comprising a fin, wherein the fin is mounted on an outer wall of the heat pipe, and the fin is disposed at one end of the heat pipe located in the upper chamber.

9. The temperature-controllable heat exchanger according to claim 1, wherein the upper chamber is provided with a cold fluid inlet and a cold fluid outlet, and the cold fluid outlet is arranged above the cold fluid inlet.

10. The temperature-controllable heat exchanger according to claim 1, wherein the lower chamber is provided with a hot fluid inlet and a hot fluid outlet, and the hot fluid inlet is arranged above the hot fluid outlet.