CN113175837A - Double-side spray cooling heat exchanger - Google Patents

Double-side spray cooling heat exchanger Download PDF

Info

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
Authority
CN
China
Prior art keywords
hot
cold
heat
conducting plate
fluid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110429841.4A
Other languages
Chinese (zh)
Inventor
周年勇
冯浩
郭艺星
刘文博
范婕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou University
Original Assignee
Changzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou University filed Critical Changzhou University
Priority to CN202110429841.4A priority Critical patent/CN113175837A/en
Publication of CN113175837A publication Critical patent/CN113175837A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00

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

Double-side spray cooling heat exchanger
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)

1. A two-sided spray cooling heat exchanger which characterized in that: including casing (1), casing (1) internal fixation has heat-conducting plate (2) to separate for isolated hot side spraying chamber (3) and cold side spraying chamber (4) each other through heat-conducting plate (2), the both sides side of heat-conducting plate (2) is hot face (2-1) and cold face (2-2) respectively, and hot face (2-1) are located hot side spraying chamber (3), and cold face (2-2) are located cold side spraying chamber (4), dispose a plurality of hot side shower nozzles (5) that are used for towards hot face (2-1) blowout hot-fluid of heat-conducting plate (2) in hot side spraying chamber (3), dispose a plurality of cold side shower nozzles (6) that are used for towards cold face (2-2) blowout cold fluid of heat-conducting plate (2) in cold side spraying chamber (4).
2. The double-sided spray-cooled heat exchanger of claim 1, wherein: a hot side partition plate (7) and a cold side partition plate (8) are fixed in the shell (1), and the heat conduction plate (2) is positioned between the hot side partition plate (7) and the cold side partition plate (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 one side, far away from the hot side spray cavity (3), of the hot side partition plate (7) and the inner wall of the shell (1), and the hot side spray heads (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 partition plate (8) and the heat-conducting plate (2) to form the cold side spraying cavity (4), a cold side static pressure cavity (10) is formed between one side wall of the cold side partition plate (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 partition plate (8) and are communicated with the cold side spraying cavity (4);
the hot-fluid spraying device is characterized in that 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) are formed in the shell (1), 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 the cold-side spraying cavity (4).
3. The double-sided spray-cooled heat exchanger of claim 2, wherein: 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 located on the same side of the shell (1).
4. The double-sided spray-cooled heat exchanger of claim 1, wherein: a plurality of bulges (2-3) are uniformly 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 every two adjacent bulges (2-3) positioned on the same side of the heat conducting plate (2).
5. The double-sided spray-cooled heat exchanger of claim 4, wherein: the cross sections of the bulges (2-3) are all rhombic or square.
6. The double-sided spray-cooled heat exchanger of claim 4, wherein: 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.
7. The double-sided spray-cooled heat exchanger of claim 4, wherein: the bulges (2-3) and the heat conducting plate (2) are integrally formed.
CN202110429841.4A 2021-04-21 2021-04-21 Double-side spray cooling heat exchanger Pending CN113175837A (en)

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

Family

ID=76924253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110429841.4A Pending CN113175837A (en) 2021-04-21 2021-04-21 Double-side spray cooling heat exchanger

Country Status (1)

Country Link
CN (1) CN113175837A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 kind of portable piezoelectricity atomisation cold plate

Patent Citations (4)

* Cited by examiner, † Cited by third party
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 kind of portable piezoelectricity atomisation cold plate

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN106413338B (en) A kind of working medium cooling system by contact to radiate for computer and data center
CN101534627A (en) High-effective integral spray cooling system
CN106376225A (en) Plug-type spray cooling device applied to super-computing center
CN207573821U (en) A kind of two-sided water cooling plate heat dissipating device
CN205912402U (en) Be used for radiating working medium contact cooling system of computer and data center
CN208079634U (en) A kind of heat sink
CN105702647A (en) Nanometre spraying device and method thereof for realizing high-load CPU enhanced heat dissipation function
CN202329320U (en) Heat pipe evaporation cooler
CN113175837A (en) Double-side spray cooling heat exchanger
TW202014652A (en) Heat exchanger
CN108966610A (en) A kind of spray cooling type interchanger and group of switches
CN108598053A (en) A kind of efficient microchannel jet stream is heat sink
CN206207784U (en) Absorption refrigeration unit internal heat component, absorption refrigeration unit and matrix
CN207517825U (en) A kind of High Efficiency Thermal management system of large-sized power battery
CN211146968U (en) Spray absorber
CN206146030U (en) Falling liquid film formula forced air cooling hot and cold water unit sprays
CN206212549U (en) It is applied to the instant-plugging spray cooling device at Chao Suan centers
CN110351981B (en) High heat flux density spray cooling device and system
CN213688043U (en) Water-saving cooling tower
CN111954445B (en) Ribbed column type efficient phase change cooling device and cooling method thereof
CN209181569U (en) A kind of cooling unit of the evaporation equipped with spray equipment
CN112399779A (en) Trapezoidal and wave-shaped combined hybrid micro-channel radiator
CN207320568U (en) New laser refrigeration is heat sink
CN210325771U (en) Self-oscillation boiling flow microchannel integrated heat dissipation module
CN216625764U (en) Spray cooling type switch

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210727

RJ01 Rejection of invention patent application after publication