CN113175837A - Double-side spray cooling heat exchanger - Google Patents
Double-side spray cooling heat exchanger Download PDFInfo
- Publication number
- CN113175837A CN113175837A CN202110429841.4A CN202110429841A CN113175837A CN 113175837 A CN113175837 A CN 113175837A CN 202110429841 A CN202110429841 A CN 202110429841A CN 113175837 A CN113175837 A CN 113175837A
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- Prior art keywords
- hot
- cold
- heat
- side spray
- conducting plate
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- 239000007921 spray Substances 0.000 title claims abstract description 70
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 93
- 230000003068 static effect Effects 0.000 claims description 25
- 238000005192 partition Methods 0.000 claims description 21
- 238000005507 spraying Methods 0.000 abstract description 24
- 239000007788 liquid Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002146 bilateral effect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of cooling heat exchangers, in particular to a bilateral spray cooling heat exchanger which comprises a shell, wherein a heat-conducting plate is fixed in the shell and is divided into a hot side spray cavity and a cold side spray cavity which are isolated from each other by the heat-conducting plate, hot fluid and cold fluid of the shell are sprayed onto the heat-conducting plate in a spray mode, the hot fluid is atomized into small liquid drops moving at high speed at the spraying moment through a hot side spray head and then impact on the hot surface of the heat-conducting plate, and the cold fluid is atomized into small liquid drops moving at high speed at the spraying moment through a cold side spray head and then impact on the cold surface of the heat-conducting plate, so that the small liquid drops atomized by the hot fluid and the small liquid drops atomized by the cold fluid can carry out violent flow heat exchange, thereby enhancing the surface heat exchange effect, improving the heat transfer coefficient and having high heat exchange efficiency; and the heat exchanger has compact structure, reduced material consumption and convenient manufacture, greatly improves the heat exchange coefficient, reduces the heat exchange area and reduces the volume of the heat exchanger compared with the traditional dividing wall type heat exchanger.
Description
Technical Field
The invention relates to the technical field of cooling heat exchangers, in particular to a bilateral spray cooling heat exchanger.
Background
The heat exchanger is a device for transferring partial heat of hot fluid to cold fluid and can be mainly divided into a floating head type heat exchanger, a fixed tube-plate type heat exchanger, a U-shaped tube-plate type heat exchanger and a plate type heat exchanger according to the structure; these heat exchangers are the fluid and carry out the heat transfer at the in-process that flows in the pipeline jointly, and heat exchange efficiency is not high, along with the continuous development of novel energy technique, the required heat transfer volume of indirect heating equipment increases, can certainly lead to indirect heating equipment volume increase, and it is not enough, the material quantity increase of installation space thereupon just, and this problem in electronic equipment heat dissipation, aviation thermal management system is more sharp-pointed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problem that the heat exchange efficiency of a cooling heat exchanger in the prior art is not high, a bilateral spray cooling heat exchanger is provided, and the bilateral spray cooling heat exchanger aims to provide a new heat exchange scheme.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a two side spray cooling heat exchangers, includes the casing, the casing internal fixation has the heat-conducting plate to separate for isolated hot side spraying chamber and cold side spraying chamber each other through the heat-conducting plate, the both sides side of heat-conducting plate is hot face and cold face respectively, and the hot face is located hot side spraying intracavity, and the cold face is located cold side spraying intracavity, hot side spraying intracavity disposes a plurality of hot side shower nozzles that are used for towards the hot face blowout hot-fluid of heat-conducting plate, cold side spraying intracavity disposes a plurality of cold side shower nozzles that are used for towards the cold face blowout cold fluid of heat-conducting plate.
Hot-fluid and cold fluid all adopt the mode of spraying to spray on the heat-conducting plate in this embodiment, the hot-fluid passes through hot side shower nozzle in the twinkling of an eye of spraying, the hot-fluid atomizes into the droplet of high-speed motion, strike the hot face of heat-conducting plate, the cold-fluid passes through the cold side shower nozzle in the twinkling of an eye of spraying, the cold-fluid atomizes into the droplet of high-speed motion, strike the cold face of heat-conducting plate, so the droplet that the hot-fluid atomizes into can carry out violent flow heat transfer with the droplet that the cold-fluid atomizes into, with this reinforcing surface heat transfer effect, improve heat transfer coefficient, high heat exchange efficiency, compare with traditional dividing wall type heat exchanger, greatly improve heat transfer coefficient, heat transfer area has been reduced, the heat exchanger volume has been reduced.
Furthermore, a hot side separator and a cold side separator are fixed in the shell, and the heat conducting plate is positioned between the hot side separator and the cold side separator;
the hot side spray cavity is formed between the heat side partition plate and the heat conducting plate in the shell, a hot side static pressure cavity is formed between the side wall of the hot side partition plate, which is far away from the hot side spray cavity, and the inner wall of the shell, and the hot side nozzles are fixedly arranged on the hot side partition plate and are communicated with the hot side spray cavity;
the cold side spray cavity is formed between the cold side partition plate and the heat conducting plate in the shell, a cold side static pressure cavity is formed between the side wall of the cold side partition plate, which is far away from the cold side spray cavity, and the inner wall of the shell, and the cold side spray heads are fixedly arranged on the cold side partition plate and are communicated with the cold side spray cavity;
the hot fluid outlet is communicated with the hot side spraying cavity, the cold fluid inlet is communicated with the cold side static pressure cavity, and the cold fluid outlet is communicated with the cold side spraying cavity.
The hot side static pressure cavity can enable the pressure of hot fluid in the hot side static pressure cavity to be basically stable, so that the hot fluid can relatively uniformly enter each hot side spray head; also, the cold-side static pressure chamber is configured to substantially stabilize the pressure of the cold fluid therein, thereby allowing relatively uniform entry of the cold fluid into each cold-side showerhead.
Furthermore, the hot fluid inlet, the hot fluid outlet, the cold fluid inlet and the cold fluid outlet are all positioned on the same side of the shell; thereby facilitating installation and layout.
Furthermore, a plurality of bulges are distributed on the hot surface and the cold surface of the heat conducting plate, and a groove is formed between two adjacent bulges positioned on the same side of the heat conducting plate; the raised setting in both sides plays the effect of water conservancy diversion, vortex on the heat-conducting plate, strengthens heat transfer effect, simultaneously, still can reduce the thickness of liquid film, prevents to influence heat exchange efficiency's problem because of the liquid film is thick on the heat-conducting plate, and wherein, the flowing back of can being convenient for of slot.
Furthermore, the cross section of each protrusion is diamond or square.
Furthermore, the bulges on the hot surface and the bulges on the cold surface of the heat conducting plate are distributed in an array.
Further, the protrusion is integrally formed with the heat conductive plate.
The invention has the beneficial effects that: according to the double-layer spray cooling heat exchanger, the hot fluid and the cold fluid are sprayed onto the heat conducting plate in a spray mode, the hot fluid is atomized into small liquid drops moving at a high speed at the spraying moment through the hot side spray head and then impact on the hot surface of the heat conducting plate, the cold fluid is atomized into small liquid drops moving at a high speed at the spraying moment through the cold side spray head and then impact on the cold surface of the heat conducting plate, so that the small liquid drops atomized by the hot fluid and the small liquid drops atomized by the cold fluid can perform violent flow heat exchange, the surface heat exchange effect is enhanced, the heat transfer coefficient is improved, and the heat exchange efficiency is high; and the heat exchanger has compact structure, reduced material consumption and convenient manufacture, greatly improves the heat exchange coefficient, reduces the heat exchange area and reduces the volume of the heat exchanger compared with the traditional dividing wall type heat exchanger.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic cross-sectional view of a double-sided spray cooled heat exchanger of the present invention;
FIG. 2 is a three-dimensional schematic view of a double-sided spray cooled heat exchanger of the present invention;
FIG. 3 is a schematic view of the heat-conducting plate of the present invention with the protrusions being square;
fig. 4 is a schematic view of the heat-conducting plate according to the present invention, wherein the protrusions are diamond-shaped.
In the figure: 1. the device comprises a shell, 1-1 parts of a hot fluid inlet, 1-2 parts of a hot fluid outlet, 1-3 parts of a cold fluid inlet, 1-4 parts of a cold fluid outlet;
2. the heat conducting plate comprises 2-1 parts of a heat conducting plate, 2-2 parts of a hot surface, 2-3 parts of a cold surface, 2-4 parts of a bulge and a groove;
3. the spray device comprises a hot side spray cavity, 4 a cold side spray cavity, 5 a hot side spray head, 6 a cold side spray head, 7 a hot side partition plate, 8 a cold side partition plate, 9 a hot side static pressure cavity and 10 a cold side static pressure cavity.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention, and directions and references (e.g., upper, lower, left, right, etc.) may be used only to help the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Example 1
As shown in fig. 1-4, a bilateral spray cooling heat exchanger comprises a housing 1, wherein a heat conducting plate 2 is fixed in the housing 1 and is separated into a hot side spray cavity 3 and a cold side spray cavity 4 which are isolated from each other by the heat conducting plate 2, the two side surfaces of the heat conducting plate 2 are respectively a hot surface 2-1 and a cold surface 2-2, the hot surface 2-1 is located in the hot side spray cavity 3, the cold surface 2-2 is located in the cold side spray cavity 4, a plurality of hot side spray heads 5 for spraying hot fluid towards the hot surface 2-1 of the heat conducting plate 2 are configured in the hot side spray cavity 3, and a plurality of cold side spray heads 6 for spraying cold fluid towards the cold surface 2-2 of the heat conducting plate 2 are configured in the cold side spray cavity 4.
A hot side separator 7 and a cold side separator 8 are fixed in the shell 1, and the heat conduction plate 2 is positioned between the hot side separator 7 and the cold side separator 8;
the hot side spray cavity 3 is formed between the hot side partition plate 7 and the heat conducting plate 2 in the shell 1, a hot side static pressure cavity 9 is formed between the side wall of the hot side partition plate 7, which is far away from the hot side spray cavity 3, and the inner wall of the shell 1, and the hot side nozzles 5 are fixedly arranged on the hot side partition plate 7 and are communicated with the hot side spray cavity 3;
the shell 1 is internally positioned between a cold side clapboard 8 and a heat-conducting plate 2 to form the cold side spraying cavity 4, a cold side static pressure cavity 10 is formed between the side wall of the cold side clapboard 8, which is far away from the cold side spraying cavity 4, and the inner wall of the shell 1, and the cold side sprayers 6 are fixedly arranged on the cold side clapboard 8 and are communicated with the cold side spraying cavity 4;
the shell 1 is provided with a hot fluid inlet 1-1, a hot fluid outlet 1-2, a cold fluid inlet 1-3 and a cold fluid outlet 1-4, the hot fluid inlet 1-1 is communicated with a hot side static pressure cavity 9, the hot fluid outlet 1-2 is communicated with a hot side spraying cavity 3, the cold fluid inlet 1-3 is communicated with a cold side static pressure cavity 10, and the cold fluid outlet 1-4 is communicated with a cold side spraying cavity 4.
The hot-side static pressure cavity 9 can enable the pressure of hot fluid in the hot-side static pressure cavity to be basically stable, so that the hot fluid can relatively uniformly enter each hot-side spray head 5; also, the cold side static pressure chamber 10 is configured to substantially stabilize the pressure of the cold fluid therein, thereby allowing relatively uniform entry of the cold fluid into each cold side showerhead 6.
The hot fluid inlet 1-1, the hot fluid outlet 1-2, the cold fluid inlet 1-3 and the cold fluid outlet 1-4 are all positioned on the same side of the shell 1; thereby facilitating installation and layout.
A plurality of bulges 2-3 are distributed on the hot surface 2-1 and the cold surface 2-2 of the heat conducting plate 2, and a groove 2-4 is formed between two adjacent bulges 2-3 positioned on the same side of the heat conducting plate 2; the arrangement of the bulges 2-3 at the two sides of the heat conducting plate 2 plays roles of flow guiding and turbulent flow, the heat exchange effect is enhanced, meanwhile, the thickness of the liquid film can be reduced, the problem that the heat exchange efficiency is influenced because the liquid film on the heat conducting plate 2 is thicker is prevented, and the grooves 2-4 can facilitate liquid drainage.
The cross sections of the bulges 2-3 are all diamond-shaped or square.
The bulges 2-3 on the hot surface 2-1 and the bulges 2-3 on the cold surface 2-2 of the heat conducting plate 2 are distributed in an array.
The protrusions 2-3 are integrally formed with the heat conductive plate 2.
The working principle of the embodiment is as follows:
under the action of external power, hot fluid flows into the hot-side static pressure cavity 9 from the hot fluid inlet 1-1, and the pressure of the whole hot-side static pressure cavity 9 is basically stable; hot fluid is uniformly sprayed into the hot side spraying cavity 3 from the hot side static pressure cavity 9 through the geothermal side nozzles 5, and the hot fluid atomized by the nozzles impacts the hot surface 2-1 of the heat conducting plate 2;
meanwhile, under the external pressure, cold fluid flows into the cold-side static pressure cavity 10 from the cold fluid inlets 1-3, and the pressure of the whole cold-side static pressure cavity 10 is basically stable; cold fluid is uniformly sprayed into the cold side spraying cavity 4 from the cold side static pressure cavity 10 through the cold side spray heads 6, the cold fluid atomized by the spray nozzles impacts the cold surface 2-2 of the heat conducting plate 2, and hot fluid and the cold fluid exchange heat through the heat conducting plate 2, wherein the bulges 2-3 on the two sides of the heat conducting plate 2 play a role in enhancing fluid turbulence and flow guiding, and the hot fluid is reduced in temperature after heat exchange and flows out from the hot fluid outlet 1-2; the cold fluid is subjected to heat exchange, the temperature of the cold fluid is increased, and the cold fluid flows out from a cold fluid outlet 1-4; through the process, the purpose of efficient heat exchange is achieved by the cold fluid and the hot fluid.
For example, the hot fluid is heat conducting oil, the cold fluid is water, and during heat exchange, the water is boiled and vaporized, so that the heat taken away by phase change heat exchange is larger, and the heat exchange coefficient is high.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429841.4A CN113175837A (en) | 2021-04-21 | 2021-04-21 | Double-side spray cooling heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429841.4A CN113175837A (en) | 2021-04-21 | 2021-04-21 | Double-side spray cooling heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113175837A true CN113175837A (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110429841.4A Pending CN113175837A (en) | 2021-04-21 | 2021-04-21 | Double-side spray cooling heat exchanger |
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| Country | Link |
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| CN (1) | CN113175837A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559903A (en) * | 2022-10-15 | 2023-01-03 | 浙江博亚精密机械有限公司 | Efficient screw-type dry vacuum pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06294590A (en) * | 1993-04-07 | 1994-10-21 | Abb Gadelius Kk | Enthalpy exchanging device |
| CN102803886A (en) * | 2010-04-07 | 2012-11-28 | 栢坚国际有限公司 | Apparatus, method and system for heat exchange |
| CN106949497A (en) * | 2017-03-10 | 2017-07-14 | 中国人民解放军装备学院 | A kind of re-generatively cooled dual channel scheme of use Spray Wall-Impingement enhanced heat exchange |
| CN109862764A (en) * | 2019-04-09 | 2019-06-07 | 郑州轻工业学院 | A convenient piezoelectric atomization spray cold plate |
-
2021
- 2021-04-21 CN CN202110429841.4A patent/CN113175837A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06294590A (en) * | 1993-04-07 | 1994-10-21 | Abb Gadelius Kk | Enthalpy exchanging device |
| CN102803886A (en) * | 2010-04-07 | 2012-11-28 | 栢坚国际有限公司 | Apparatus, method and system for heat exchange |
| CN106949497A (en) * | 2017-03-10 | 2017-07-14 | 中国人民解放军装备学院 | A kind of re-generatively cooled dual channel scheme of use Spray Wall-Impingement enhanced heat exchange |
| CN109862764A (en) * | 2019-04-09 | 2019-06-07 | 郑州轻工业学院 | A convenient piezoelectric atomization spray cold plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559903A (en) * | 2022-10-15 | 2023-01-03 | 浙江博亚精密机械有限公司 | Efficient screw-type dry vacuum pump |
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Application publication date: 20210727 |