CN209877701U - High-efficiency heat exchanger - Google Patents
High-efficiency heat exchanger Download PDFInfo
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- CN209877701U CN209877701U CN201920647088.4U CN201920647088U CN209877701U CN 209877701 U CN209877701 U CN 209877701U CN 201920647088 U CN201920647088 U CN 201920647088U CN 209877701 U CN209877701 U CN 209877701U
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Abstract
The utility model provides a high efficiency heat exchanger has solved heat exchanger pipe wall department material mobility poor, the lower problem of its heat exchange efficiency. The device includes: the shell side part is provided with a shell inlet at the lower part and a shell outlet at the upper part, and cold source materials are arranged in the shell side part; the shell outlet is connected with a first connecting pipe, and a cold source driving device is arranged on the first connecting pipe; the tube side part comprises a tube inlet, a tube outlet and a tube body, the tube inlet and the tube outlet are oppositely arranged on the outer wall of the shell side part, and the tube body is arranged in the shell side part; a heat source material is arranged in the tube body, a second connecting tube is arranged at the tube outlet or the tube inlet, and a heat source driving device is arranged on the second connecting tube so that the heat source material flows in the tube pass and transfers heat to the shell pass; a particle sphere is arranged in the shell pass; the utility model discloses add the granule spheroid in the shell side, especially drive the material flow at conch wall contact site through granular material, reduce the detention district of conch wall department, increase the material flow speed, improve heat exchange efficiency.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger technique and specifically relates to a high-efficiency heat exchanger is related to.
Background
In industrial production, the material is usually heated to reach a proper temperature, and the existing heat exchanger is usually a tube-side shell-side structure, and the material in the shell side is heated by medium heat in the tube side.
The applicant has found that the prior art has at least the following technical problems:
1. when the existing heat exchanger is used, the fluidity of the material at the contact part of the heat exchanger tube wall is poor, so that the heat exchange efficiency is reduced;
2. after long-term use, dirt is easily accumulated on the tube wall of the heat exchanger, and impurities are easily adhered to the tube wall to influence the heat exchange effect.
The above problems are always difficult to solve when the heat exchanger is used, and how to improve the problems always puzzles users and utility model people.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-efficiency heat exchanger to solve the technical problems of poor material fluidity at the pipe wall of the heat exchanger and lower heat exchange efficiency in the prior art; the utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of high efficiency heat exchanger, include:
the shell side part is provided with a shell inlet at the lower part and a shell outlet at the upper part, and cold source materials are arranged in the shell side part; the shell outlet is connected with a first connecting pipe, and a cold source driving device is arranged on the first connecting pipe;
the tube side part comprises a tube inlet, a tube outlet and a tube body, the tube inlet and the tube outlet are oppositely arranged on the outer wall of the shell side part, and the tube body is arranged in the shell side part; a heat source material is arranged in the tube body, a second connecting tube is arranged at the tube outlet or the tube inlet, and a heat source driving device is arranged on the second connecting tube, so that the heat source material flows in the tube pass and transfers heat to the shell pass;
the shell pass is provided with a particle sphere which can flow along with cold source materials in the shell pass to form a flow channel.
Preferably, the shell inlet and the shell outlet are both provided with filter screens.
Preferably, the number of the particle spheres is plural.
Preferably, the density of the particle spheres is similar to that of the cold source material.
Preferably, the pipe body is a U-shaped pipe, the pipe inlet and the pipe outlet are respectively communicated with two ports of the U-shaped pipe, and the pipe body extends from one end of the shell side portion to the other end.
Preferably, the number of the U-shaped pipes is multiple.
Preferably, the cold source driving device is a vacuum pump, and the shell outlet is connected with a material storage tank body through the first connecting pipe.
Preferably, the heat source material is steam or hot water.
Preferably, the second connecting pipe is connected with the pipe inlet, the other end of the second connecting pipe is connected with a steam boiler, and the heat source driving device is a fan;
a temperature meter is arranged at the outlet of the shell and used for measuring the temperature of the cold source material after heat exchange, and a steam regulating valve is arranged on the second connecting pipe so as to regulate the steam flow in the pipe pass part; and a condensed water tank is connected to the outlet of the pipe.
Preferably, a flow distribution plate is further arranged in the shell side part and is perpendicular to the extending direction of the shell side part.
The utility model provides a pair of high efficiency heat exchanger compares with prior art, has following beneficial effect: the particle ball is added in the shell pass, so that the particle ball flows along with the material to form a flow channel, the heat exchange efficiency can be improved from two aspects, firstly, the particle material further drives the material to flow, particularly, the particle material drives the material at the contact part of the shell wall to flow, the detention area at the shell wall is reduced, the material flow speed is increased, and the heat exchange efficiency is improved; secondly, the generated dirt can be taken away to a certain extent, the generation of the dirt on the pipe wall is reduced, and the dirt on the pipe wall is cleaned, so that the heat exchange efficiency is improved.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a high efficiency heat exchanger according to the present invention;
FIG. 2 is a schematic diagram of the heat exchange circuit of the high efficiency heat exchanger.
FIG. 11, shell inlet; 12. a shell outlet; 21. a tube inlet; 22. a tube outlet; 23. a pipe body; 4. a particle sphere; 5. a filter screen; 6. a flow distribution plate; 71. a first connecting pipe; 72. a second connecting pipe; 73. a temperature meter; 81. a vacuum pump; 82. a fan; 83. a steam regulating valve; 91. a condensed water tank; 92. a material storage tank body; 10. a steam oven.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The utility model provides a high-efficiency heat exchanger, referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of the high-efficiency heat exchanger of the utility model, and fig. 2 is a schematic heat exchange pipeline diagram of the high-efficiency heat exchanger; it includes: a shell side part, the lower part of which is provided with a shell inlet 11, the upper part of which is provided with a shell outlet 12, and the shell side part is internally provided with cold source materials; the shell outlet 12 is connected with a first connecting pipe 71, on which a cold source driving device is arranged;
the tube side part comprises a tube inlet 21, a tube outlet 22 and a tube body 23, the tube inlet 21 and the tube outlet 22 are oppositely arranged on the outer wall of the shell side part, and the tube body 23 is arranged in the shell side part; the tube 23 is internally provided with heat source materials, the tube outlet 22 or the tube inlet 21 is provided with a second connecting tube 72, and a heat source driving device is arranged on the second connecting tube to ensure that the heat source materials flow in the tube pass and transfer heat to the shell pass;
the shell pass is provided with the particle spheres 4, and the particle spheres 4 can flow along with cold source materials in the shell pass to form a flow channel.
The utility model provides a high efficiency heat exchanger, it has beneficial effect to be: the particle ball is added in the shell pass, so that the particle ball flows along with the material to form a flow channel, the heat exchange efficiency can be improved from two aspects, firstly, the particle material further drives the material to flow, particularly, the particle material drives the material at the contact part of the shell wall to flow, the detention area at the shell wall is reduced, the material flow speed is increased, and the heat exchange efficiency is improved; secondly, the generated dirt can be taken away to a certain extent, the generation of the dirt on the pipe wall is reduced, and the dirt on the pipe wall is cleaned, so that the heat exchange efficiency is improved.
Example 1
In the specific embodiment provided by the present invention, referring to fig. 1 and 2, the tube outlet 22 is disposed on the outer wall of the upper portion of the shell-side portion, the tube inlet 21 is disposed on the outer wall of the lower portion of the shell-side portion, the shell inlet 11 is disposed at the lower portion of the shell-side portion and is disposed close to the tube inlet 21, and the shell outlet 12 is disposed at the upper portion of the shell-side portion and is disposed opposite to the tube outlet 22; of course, the positions of the tube inlet 21, the tube outlet 22, and the shell inlet 11 and the shell outlet 12 are not limited to the illustrated embodiments, or the cold source material and the hot source material are arranged in a counter-flow manner to improve the heat exchange efficiency.
In order to prevent the particle ball 4 from escaping during the flowing process with the material, as an alternative embodiment, the diameter of the particle ball 4 is larger than that of the material of the cooling source, and the filter screens 5 are arranged at the shell inlet 11 and the shell outlet 12. The filter screen 5 allows cold source materials to pass through and flow in the shell pass, but the particle spheres 4 cannot be exposed out of the filter screen 5, so that the particle spheres 4 can flow in the shell pass to form a flow channel.
It should be understood that the principle of the present invention is: the main factors influencing the heat exchange effect of the heat exchanger can be known from the heat transfer rate equation Q ═ KS Δ tm: heat transfer coefficient K, heat transfer area S and average temperature difference Deltat.
For a given heat exchanger, the heat transfer area S is constant, so that the heat transfer effect can only be improved by increasing the heat transfer average temperature difference and the heat transfer coefficient. When the particle ball 4 is in the shell pass, the cold source material can flow in the shell pass under the action of the cold source driving device, and meanwhile, the particle ball 4 flows, and the particle ball 4 has a larger diameter, so that the flow velocity of fluid in the shell pass can be increased, the convection heat transfer coefficient is large, and the heat transfer coefficient is increased; meanwhile, the particle ball 4 is in contact with the inner wall of the shell, rolling friction is generated, dirt can be taken away, the scaling thickness is reduced, and the heat transfer coefficient K can be improved.
Or, the principle is understood from the aspect of a three-phase diagram, wherein the three-phase diagram refers to a working medium state diagram obtained by drawing a state curve of a certain substance with three states of vapor, liquid and solid in a coordinate diagram with pressure P as a vertical coordinate and temperature T as a horizontal coordinate. The particle ball body flows along with the cold source material in the shell pass, and the temperature and the pressure of the contact part of the particle ball body and the material can be changed to a certain degree instantly, so that the critical part of the three-phase line becomes irregular, and the heat exchange efficiency can be further improved.
In order to improve the heat exchange efficiency, as an alternative embodiment, referring to fig. 1, the number of the particle balls 4 is plural.
It should be understood that, as an alternative embodiment, the density of the particle sphere 4 is similar to that of the cold source material, and the material of the particle sphere 4 is a material having a density similar to that of the cold source material, and is required to be resistant to high temperature and not to be melted, which depends on the cold source material to be heated, and those skilled in the art can refer to and obtain a suitable particle material according to a common material density table and the melting temperature thereof.
Example 2
The present embodiment is an improvement on the basis of the above embodiments, and can also be improved from the structure of the shell side part and the tube side part, so as to improve the efficiency of the heat exchanger. As an alternative embodiment, referring to fig. 1 and 2, the pipe body 23 is a U-shaped pipe, the pipe inlet 21 and the pipe outlet 22 communicate with two ports of the U-shaped pipe, respectively, and the pipe body 23 extends from one end of the shell side portion to the other end.
In order to increase the contact area between the cold source material and the pipe body 23, the number of the U-shaped pipes is multiple. As shown in fig. 1, a partition plate is provided between the pipe inlet 21 and the pipe outlet 22 in order to separate them.
The pipe body of the U-shaped pipe is arranged, so that the contact area of the U-shaped pipe and a cold source material can be increased, and the heat exchange efficiency is improved.
Referring to fig. 2, as an alternative embodiment, the cold source driving device is a vacuum pump 81, and the shell outlet 12 is connected to a storage tank 92 through a first connection pipe 71.
Vacuum pump 81 can provide power for the flow of cold source material in the shell side, and after the heat transfer, cold former material temperature risees, and the first connecting pipe 71 of accessible is retrieved, stores temporarily in the storage tank body 92.
As an alternative embodiment, the heat source material may be steam or hot water.
In this embodiment, the heat source material is subjected to heat exchange by using steam, the connection pipeline can be as shown in fig. 2, the second connection pipe 72 is connected with the pipe inlet 21, the other end of the second connection pipe is connected with the steam boiler 10, and the heat source driving device is a fan 82;
a temperature measuring meter 73 is arranged at the shell outlet 12 and used for measuring the temperature of the cold source material after heat exchange, and a steam regulating valve 83 is arranged on the second connecting pipe 72 to regulate the steam flow in the pipe pass part; the pipe outlet 22 is connected with a condensed water tank 91.
Wherein, the steam oven is connected with the second connecting pipe 72, the steam is sent into the pipe pass part through the fan 82, the temperature measuring meter 73 is arranged at the shell outlet 12, and when the temperature is too high or too low, the flow rate of the steam can be adjusted by adjusting the steam adjusting valve 83 on the second connecting pipe 72.
In order to increase the flow rate of the cold source material in the shell side, as an alternative embodiment, a flow distribution plate 6 is further disposed in the shell side portion, and is perpendicular to the extending direction of the shell side portion.
While the above embodiments have been described with respect to the arrangement of the heat source using steam, it should be understood that the heat source may use water or other heat exchange media in addition to steam, and the description is not repeated herein.
The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A high efficiency heat exchanger, comprising:
the shell side part is provided with a shell inlet at the lower part and a shell outlet at the upper part, and cold source materials are arranged in the shell side part; the shell outlet is connected with a first connecting pipe, and a cold source driving device is arranged on the first connecting pipe;
the tube side part comprises a tube inlet, a tube outlet and a tube body, the tube inlet and the tube outlet are oppositely arranged on the outer wall of the shell side part, and the tube body is arranged in the shell side part; a heat source material is arranged in the tube body, a second connecting tube is arranged at the tube outlet or the tube inlet, and a heat source driving device is arranged on the second connecting tube, so that the heat source material flows in the tube pass and transfers heat to the shell pass;
the shell pass is provided with a particle sphere which can flow along with cold source materials in the shell pass to form a flow channel.
2. The high efficiency heat exchanger of claim 1, wherein a filter screen is disposed at both the shell inlet and the shell outlet.
3. The high efficiency heat exchanger of claim 2, wherein the number of the particulate spheres is plural.
4. The high efficiency heat exchanger of claim 3, wherein the particle spheres and the heat sink material are of similar density.
5. The high efficiency heat exchanger of claim 1, wherein the tube body is a U-shaped tube, the tube inlet and the tube outlet communicate with two ports of the U-shaped tube, respectively, and the tube body extends from one end of the shell side portion to the other end.
6. The high efficiency heat exchanger of claim 5, wherein the number of the U-shaped tubes is plural.
7. The high efficiency heat exchanger of claim 1 wherein the cold source driving device is a vacuum pump and the shell outlet is connected to a storage tank through the first connection tube.
8. The high efficiency heat exchanger of claim 1, wherein the heat source material is steam or hot water.
9. The high efficiency heat exchanger of claim 8 wherein the second connecting pipe is connected to the pipe inlet, the other end of the second connecting pipe is connected to a steam boiler, and the heat source driving device is a fan;
a temperature meter is arranged at the outlet of the shell and used for measuring the temperature of the cold source material after heat exchange, and a steam regulating valve is arranged on the second connecting pipe so as to regulate the steam flow in the pipe pass part; and a condensed water tank is connected to the outlet of the pipe.
10. The high efficiency heat exchanger of claim 1, further comprising a flow splitter plate disposed within the shell-side portion and disposed perpendicular to the direction of extension of the shell-side portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647088.4U CN209877701U (en) | 2019-05-07 | 2019-05-07 | High-efficiency heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647088.4U CN209877701U (en) | 2019-05-07 | 2019-05-07 | High-efficiency heat exchanger |
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| CN209877701U true CN209877701U (en) | 2019-12-31 |
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| CN201920647088.4U Active CN209877701U (en) | 2019-05-07 | 2019-05-07 | High-efficiency heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017708A (en) * | 2019-05-07 | 2019-07-16 | 天津渤海石化有限公司 | A kind of high efficiency heat exchanger |
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- 2019-05-07 CN CN201920647088.4U patent/CN209877701U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017708A (en) * | 2019-05-07 | 2019-07-16 | 天津渤海石化有限公司 | A kind of high efficiency heat exchanger |
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