CN114857839B - Heat exchanger with multistage segmentation cooling function - Google Patents
Heat exchanger with multistage segmentation cooling function Download PDFInfo
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- CN114857839B CN114857839B CN202210555436.1A CN202210555436A CN114857839B CN 114857839 B CN114857839 B CN 114857839B CN 202210555436 A CN202210555436 A CN 202210555436A CN 114857839 B CN114857839 B CN 114857839B
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- heat exchange
- cooling
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- medium
- heat
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- 238000001816 cooling Methods 0.000 title claims abstract description 113
- 230000011218 segmentation Effects 0.000 title claims description 6
- 239000000110 cooling liquid Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 238000005192 partition Methods 0.000 claims description 27
- 238000005057 refrigeration Methods 0.000 claims description 19
- 230000014759 maintenance of location Effects 0.000 claims description 18
- 238000000605 extraction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 238000001802 infusion Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 19
- 238000005520 cutting process Methods 0.000 description 10
- 239000002826 coolant Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/04—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being formed by spirally-wound plates or laminae
Abstract
The application discloses a heat exchanger with a multistage sectional cooling function, which relates to the technical field of heat exchange, and comprises a box body, wherein a heat exchange box and a cooling magnetic roller are arranged in the box body, the heat exchange box is connected with a liquid supply system, the lower end of the box body is connected with an air supply system, the air supply system infuses air into the box body, the air sequentially passes through the cooling magnetic roller and the heat exchange box from bottom to top, the air exchanges heat with the surface of the heat exchange box, the liquid supply system infuses cooling liquid into the heat exchange box, the cooling liquid flows in the heat exchange box, a medium needing heat exchange exchanges heat with the cooling liquid in the heat exchange box, the medium after heat exchange meets the cooling magnetic roller, the cooling magnetic roller cools and refrigerates the medium, the air and the cooling liquid exchange heat with the heat exchange medium at the same time, the heat exchange efficiency of the heat exchange medium is improved, the cooling magnetic roller is utilized to cool the heat exchange medium, and the cooling effect of the heat exchange medium is improved.
Description
Technical Field
The application relates to the technical field of heat exchange, in particular to a heat exchanger with a multistage sectional cooling function.
Background
The heat exchanger is an energy-saving device for realizing heat transfer between two or more mediums with different temperatures, so that heat is transferred from a heat exchange medium with higher temperature to a medium with low temperature, and the temperature of the heat exchange medium reaches the index specified by the process, thereby meeting the requirements of process conditions. The heat exchanger plays an important role in many industrial productions such as petroleum, chemical industry, power and the like, and can be used as a heater, a cooler, a condenser, an evaporator and the like in the chemical production, so that the heat exchanger has wide application range.
The existing heat exchange equipment generally adopts a single-stage heat exchange mode, but when the single-stage heat exchanger works, the cooling efficiency of a heat exchange medium is reduced due to the limitation of the heat exchange capacity of the heat exchanger, so that the heat exchange medium is difficult to meet the heat exchange requirement.
Disclosure of Invention
The application aims to provide a heat exchanger with a multistage sectional cooling function, so as to solve the problems in the prior art.
In order to solve the technical problems, the application provides the following technical scheme: the utility model provides a heat exchanger with multistage segmentation cooling function, the heat exchanger includes the box, be provided with heat exchange box and two cooling magnetic rollers in the box, be provided with the cutting layer between heat exchange box and the two cooling magnetic rollers, be provided with into pipe and exit tube on the box, advance the lower extreme intercommunication of pipe and heat exchange box one side, the exit tube communicates with the upper end of heat exchange box opposite side, the box lower extreme is connected with air feed system, advance the pipe and be connected with the feed liquid system. Air supply system infuses the air in the box, the air passes cooling magnetic roll and heat exchange box from down upwards in proper order, air carries out cold and heat exchange with the heat exchange box surface, the liquid supply system infuses the coolant liquid in the heat exchange box, the coolant liquid flows in the heat exchange box, the medium that needs the heat transfer carries out cold and heat exchange with the coolant liquid in the heat exchange box, the medium after the heat transfer is cut into stranded tiny rivers by the cutting layer, rivers meet with cooling magnetic roll, cooling magnetic roll carries out cooling refrigeration to the medium, utilize air and coolant liquid to carry out heat exchange with the heat transfer medium simultaneously, improve the heat exchange efficiency of heat transfer medium, reuse cooling magnetic roll cools down the heat transfer medium, improve the cooling effect to the heat transfer medium.
The box includes upper end cover, just cold segment body, many cold segment body and water tank, the heat transfer box sets up in just cold segment body, the cooling magnetism roller is installed in many cold segment body, air feed system is connected to water tank one side upper end, advance pipe and exit tube and install on just cold segment body, the split level is installed in just cold segment body, water tank opposite side lower extreme sets up the outlet pipe, be provided with the extraction pipe on the upper end cover. Air provided by the air supply system flows upwards from the water tank, flows to the heat exchange box after passing through the cooling magnetic roller, enters the upper end cover after heat exchange with the heat exchange box, and flows out of the box body through the extraction pipe.
A partition plate is arranged in the upper end cover;
the upper end and the lower end of the heat exchange box are respectively provided with a frame, the frame at the upper end is an upper frame, the frame at the lower end is a lower frame, the upper frame is connected with the partition plate, the outer side of the lower frame is provided with a surrounding frame, the cooling magnetic roller is arranged in the surrounding frame, a filter screen is arranged above the cooling magnetic roller on the surrounding frame, the outer side of the surrounding frame is connected with the multi-cooling section body, and the lower end of the surrounding frame is connected with the water tank;
the upper frame and the lower frame both sides all are provided with the extension, the extension size of lower frame is greater than the extension size of upper frame. The upper end cover is internally divided into a flowing-in space and a flowing-out space by the partition plate, a medium enters the medium flow channel through the flowing-in space and the upper frame, a cooling liquid flows into the heat exchange box through the inlet pipe and flows out of the heat exchange box through the outlet pipe, and the cooling liquid exchanges heat with the heat exchange medium in the heat exchange box; the air flows to the outer side of the heat exchange box through the water tank, the surrounding frame and the filter screen, and the air quantity flowing to the upper side of the lower frame is reduced because the extension size of the lower frame is larger than that of the upper frame; through the mutual combination of air and cooling liquid, the efficiency and effect of medium heat exchange are improved.
A plurality of heat exchange plates are arranged in the heat exchange box, retention grooves are punched on one side of each of two heat exchange plates positioned at the outermost side, retention grooves are punched on the two sides of the rest heat exchange plates, and the retention grooves on every two adjacent heat exchange plates are mutually matched to form a medium flow passage;
every the flow board is all installed to the heat transfer board both sides, and every heat transfer board is inside to be hollow, and the flow board that is located heat transfer board one side communicates with advancing the pipe, and the flow board that is located the heat transfer board opposite side communicates with the exit tube, the flow board stretch out the heat exchange case and with just cold segment body in close contact. The heat exchange medium enters the medium flow channel from the upper frame and flows in the medium flow channel for heat exchange, the corrugated retention groove blocks the flow of the heat exchange medium, and the duration of the heat exchange medium in the heat exchange stage is prolonged; the flow plate on each side is provided with a channel, the channel on the flow plate communicated with the inlet pipe is at the lower end of the inside of the flow plate, and the channel on the flow plate communicated with the outlet pipe is at the upper end of the inside of the flow plate; the cooling liquid enters the heat exchange plate through the flow plate, and exchanges heat with the heat exchange medium when flowing in the heat exchange plate; the flow plates are arranged on the heat exchange plates, heat conduction exists between the flow plates and the heat exchange plates, the flow plates play a role in radiating heat of the heat exchange plates, when air flows through the flow plates, the temperature of the heat exchange plates is reduced through the flow plates, and then the heat exchange efficiency of a heat exchange medium in the heat exchange plates is improved.
And each heat exchange plate is provided with a positioning groove, the upper frame is provided with positioning holes, the positioning grooves on every two adjacent heat exchange plates are mutually matched to form positioning clamping grooves, the positioning clamping grooves correspond to the positions of the positioning holes, and positioning pins are inserted into the positioning holes and the positioning clamping grooves. The heat exchange box is rectangular box body, the left end and the right end of the heat exchange box are not blocked, the heat exchange box is horizontally placed in the primary cooling section body, the upper end face and the lower end face of the horizontally placed heat exchange box are provided with channels, the sizes of the channels correspond to the sizes of the upper frame and the lower frame, the heat exchange plates are slidably mounted in the heat exchange box, after the heat exchange box is placed, the positioning pins are inserted into the positioning clamping grooves through the positioning holes, the quick mounting of the heat exchange plates is realized through the blocking of the positioning pins, and when the heat exchange plates need to be replaced, the heat exchange plates can be replaced only by pulling the positioning pins out of the positioning holes.
The detention grooves form bulges in the heat exchange plate, and the detention grooves on two sides of the heat exchange plate enable the heat exchange plate to form S-shaped heat exchange flow passages in the heat exchange plate. The detention groove is formed on the heat exchange plate by stamping, the detention groove is inwards recessed to form bulges in the heat exchange plate, the bulges on two sides of the heat exchange plate are mutually matched to form an S-shaped heat exchange flow channel, the S-shaped heat exchange flow channel blocks the flow speed of the cooling liquid, the flow duration of the cooling liquid in the heat exchange plate is prolonged, and the heat exchange of the heat exchange medium is promoted again.
The cutting layer is of a toothed filter screen structure, and the top end of each tooth facing the heat exchange box on the cutting layer is located at the middle position of the medium flow passage. The cutting layer is of a toothed filter screen structure, the top end of each tooth on the cutting layer corresponds to the middle position of the medium flow channel, namely the joint position of every two adjacent heat exchange plates, the teeth of the cutting layer cut the heat exchange medium flowing out of the medium flow channel into two water flows, then the water flows are cut into a plurality of water flows by the filter holes again, the heat exchange medium is cut into a plurality of water flows, the contact surface of the heat exchange medium and air is increased, and the heat dissipation of the heat exchange medium is improved.
Each cooling magnetic roller comprises a magnet and a plurality of refrigeration discs, the refrigeration discs are connected through a broken flow column, the magnet is arranged on a multi-cooling section body through a base, a motor is arranged on the base, a gear is arranged on an output shaft of the motor, one of the refrigeration discs is provided with a tooth slot at the outer side, and the gear is meshed with the refrigeration discs for transmission;
the refrigerating disc is formed by splicing fan blades and interlayer intervals, and the fan blades are made of magnetic materials. The inner sides of the cooling discs are connected with the magnets in a sliding way through bearings, the motor drives the cooling discs to rotate through gears, the cooling discs move in the magnets, when the fan blades move into the magnets, the magnetic entropy of the fan blades is reduced, the cooling is carried out through the magnets, when the fan blades leave the magnets, the magnetic entropy of the fan blades is increased, heat is absorbed from the outside, the cooling of surrounding air is realized, and the cooling of a heat exchange medium is further realized; the cooling disc drives the broken flow column to move when rotating, and when the broken flow column moves the water flow of the heat exchange medium, the water flow can be scattered, so that the heat exchange medium is scattered in the multi-cooling section body, and the contact surface of the heat exchange medium and cold air is further increased.
The broken flow column is a triangular prism. The broken flow column is a triangular prism and is used for scattering the water flow of the heat exchange medium on one hand and driving air to move on the other hand, and the broken flow column is used for disturbing the air in the multi-cooling section body to enable the air to flow, and the flowing air and the scattered heat exchange medium perform cold-heat exchange, so that the deep heat exchange and cooling of the heat exchange medium are realized.
Compared with the prior art, the application has the following beneficial effects: the air supply system infuses air into the box body, the air sequentially passes through the cooling magnetic roller and the heat exchange box from bottom to top, the air exchanges heat with the surface of the heat exchange box, and the liquid supply system infuses cooling liquid into the heat exchange box; in the primary cooling section, a cooling liquid flows in a heat exchange box, a medium needing heat exchange exchanges heat with the cooling liquid in the heat exchange box, and the medium after heat exchange is cut into a plurality of small water flows by a dividing layer; in the multi-cooling section body, a plurality of tiny water flows meet the cooling magnetic roller, and the cooling magnetic roller cools and refrigerates the heat exchange medium again; according to the application, the air and the cooling liquid are used for simultaneously carrying out heat exchange with the heat exchange medium, so that the heat exchange efficiency of the heat exchange medium is improved, and then the cooling magnetic roller is used for carrying out deep cooling on the heat exchange medium, so that the cooling effect on the heat exchange medium is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate the application and together with the embodiments of the application, serve to explain the application. In the drawings:
FIG. 1 is a schematic front view of the overall structure of the present application;
FIG. 2 is a schematic view of the interior front view of the overall structure of the present application;
FIG. 3 is a schematic view of the interior of the overall structure of the present application;
FIG. 4 is a schematic illustration of the connection of the heat exchange box of the present application to the primary cooling section;
FIG. 5 is a schematic top view of the heat exchange box of the present application;
FIG. 6 is a schematic perspective view of a heat exchanger plate of the present application;
FIG. 7 is a schematic front view of a heat exchanger plate of the present application;
FIG. 8 is a schematic view of a heat exchanger plate of the present application in semi-section;
FIG. 9 is a schematic diagram of a front view of a temperature-reducing magnet roller of the present application;
FIG. 10 is a schematic diagram of a right-hand construction of a temperature-reducing magnet roller of the present application;
FIG. 11 is a schematic view of a magnet in semi-section according to the present application;
FIG. 12 is a schematic diagram of a cooling magnet roller of the present application in full half cross section.
In the figure: 101. an upper end cap; 102. primary cooling section; 103. a multi-cooling section body; 104. a water tank; 105. an extraction tube; 106. feeding a pipe; 107. a pipe outlet; 108. a partition plate;
201. a frame; 201a, an upper frame; 201b, a lower frame; 202. a heat exchange box; 203. a heat exchange plate; 203a, a retention tank; 203b, a positioning groove; 203c, heat exchange flow channels; 204. a flow plate; 205. a positioning pin;
3. a segmentation layer;
401. a filter screen; 402. cooling the magnetic roller; 403. a cooling plate; 404. a magnet; 405. a fan blade; 406. an interlayer; 407. and (5) crushing the flow column.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1 to 12, the present application provides the following technical solutions:
the utility model provides a heat exchanger with multistage segmentation cooling function, the heat exchanger includes the box, is provided with heat exchange box 202 and two cooling magnetic roller 402 in the box, is provided with split level 3 between heat exchange box 202 and two cooling magnetic roller 402, is provided with into pipe 106 and exit tube 107 on the box, advances pipe 106 and the lower extreme intercommunication of heat exchange box 202 one side, exit tube 107 and the upper end intercommunication of heat exchange box 202 opposite side, and the box lower extreme is connected with air feed system, advances pipe 106 and is connected with the feed liquid system.
The box body comprises an upper end cover 101, a primary cooling section body 102, a multi-cooling section body 103 and a water tank 104, a partition plate 108 is arranged in the upper end cover 101, an extraction pipe 105 is arranged on the upper end cover 101, and the extraction pipe 105 is connected with an air extraction system;
the heat exchange box 202 is arranged in the primary cooling section body 102, the cooling magnetic roller 402 is arranged in the multi-cooling section body 103, the inlet pipe 106 and the outlet pipe 107 are arranged on the primary cooling section body 102, the partition layer 3 is arranged in the primary cooling section body 102, the upper end of one side of the water tank 104 is connected with the air supply system, and the lower end of the other side of the water tank 104 is provided with the water outlet pipe.
The heat exchange box 202 is a rectangular box body, the left end and the right end of the heat exchange box are not blocked, the heat exchange box 202 is horizontally placed in the primary cooling section body 102, channels are formed in the upper end face and the lower end face of the horizontally placed heat exchange box 202, the size of each channel corresponds to the size of the upper frame 201a and the size of the lower frame 201b, the upper end of the heat exchange box 202 is provided with the upper frame 201a, the lower end of the heat exchange box 201 is provided with the lower frame 201b, the upper frame 201a is connected with the partition plate 108, a surrounding frame is arranged on the outer side of the lower frame 201b, the cooling magnetic roller 402 is arranged in the surrounding frame, the filter screen 401 is arranged above the cooling magnetic roller 402 on the surrounding frame, the outer side of the surrounding frame is connected with the multi-cooling section body 103, and the lower end of the surrounding frame is connected with the water tank 104;
both sides of the upper frame 201a and the lower frame 201b are provided with extended edges, and the extended edge size of the lower frame 201b is larger than that of the upper frame 201 a.
The partition plate 108 partitions the inside of the upper end cover into an inflow space and an outflow space, a medium enters the medium flow channel through the inflow space and the upper frame 201a, a cooling liquid flows into the heat exchange plate 203 in the heat exchange box 202 through the inlet pipe 106 and flows out of the heat exchange box 202 through the outlet pipe 107, and the cooling liquid exchanges heat with the heat exchange medium inside the heat exchange box 202; the air flows to the outer side of the heat exchange box 202 through the water tank 104, the surrounding frame and the filter screen 401, and the air quantity flowing to the upper side of the lower frame 201b is reduced because the extension edge size of the lower frame 201b is larger than that of the upper frame 201a, meanwhile, the extraction pipe 105 extracts the space in the outflow space, so that the air at the outer side of the heat exchange box 202 flows into the outflow space, the air flow rate at the outer side of the heat exchange box 202 is increased, and the heat exchange efficiency at the outer side of the heat exchange box 202 is improved; through the mutual combination of air and cooling liquid, the efficiency and effect of medium heat exchange are improved.
A plurality of heat exchange plates 203 are arranged in the heat exchange box 202, each heat exchange plate 203 is provided with a positioning groove 203b, the upper frame 201a is provided with a positioning hole, the positioning grooves 203b on every two adjacent heat exchange plates 203 are mutually matched to form a positioning clamping groove, the positioning clamping grooves correspond to the positions of the positioning holes, and the positioning holes and the positioning clamping grooves are internally inserted with positioning pins 205.
The heat exchange plate 203 is slidably mounted in the heat exchange box 202, after the heat exchange box is placed, the positioning pins 205 are inserted into the positioning clamping grooves through the positioning holes, the quick mounting of the heat exchange plate 203 is realized through the blocking of the positioning pins 205, and when the heat exchange plate 203 needs to be replaced, the heat exchange box 202 is taken out of the primary cooling section 102, and the heat exchange plate 205 can be replaced only by pulling the positioning pins 205 out of the positioning holes.
Flow plates 204 are arranged on two sides of each heat exchange plate 203, the inside of each heat exchange plate 203 is hollow, the flow plates 204 on one side of each heat exchange plate 203 are communicated with the inlet pipe 106, the flow plates 204 on the other side of each heat exchange plate 203 are communicated with the outlet pipe 107, and the flow plates 204 extend out of the heat exchange box 202 and are in close contact with the primary cooling section 102. Each side of the flow plate 204 has a channel formed therein, the channel on the flow plate 204 communicating with the inlet pipe 106 being at its lower inner end and the channel on the flow plate 204 communicating with the outlet pipe 107 being at its upper inner end.
The flow plates 204 are arranged on the heat exchange plates 203, gaps between the flow plates 204 are channels for air to flow through, the space outside the flow plates 204 corresponds to the outflow space, heat conduction exists between the flow plates 204 and the heat exchange plates 203, the flow plates 204 play a role in radiating the heat exchange plates 203, when air flows through the flow plates 204, the temperature of the heat exchange plates 203 is reduced through the flow plates 204, and then the heat exchange efficiency of a heat exchange medium in the heat exchange plates 203 is improved.
The two heat exchange plates 203 positioned at the outermost side are respectively provided with corrugated retention grooves 203a in a punching way at one side, the two sides of the rest heat exchange plates 203 are respectively provided with corrugated retention grooves 203a in a punching way, and the retention grooves 203a on every two adjacent heat exchange plates 203 are mutually matched to form a medium flow passage;
the retention grooves 203a are formed in a convex shape in the heat exchange plate 203, and the retention grooves 203a on both sides of the heat exchange plate 203 form an S-shaped heat exchange flow path 203c in the heat exchange plate 203.
The heat exchange medium enters the medium flow channel from the upper frame 201a and flows in the medium flow channel for heat exchange, the cooling liquid enters the heat exchange plate 203 through the flow plate 204, and the cooling liquid exchanges heat with the heat exchange medium when flowing in the heat exchange plate 203;
the retention groove 203a is formed on the heat exchange plate 203 in a punching mode, the retention groove 203a is recessed inwards to form protrusions in the heat exchange plate 203, the protrusions on two sides of the heat exchange plate 203 are matched with each other to form an S-shaped heat exchange flow channel, the S-shaped heat exchange flow channel blocks the flowing speed of cooling liquid, the flowing duration of the cooling liquid in the heat exchange plate 203 is prolonged, and heat exchange of a heat exchange medium is promoted again.
The partition layer 3 is a toothed filter screen structure, and the top end of each tooth facing the heat exchange box 202 on the partition layer 3 is located at the middle position of the medium flow channel. The cutting layer 3 is of a toothed filter screen structure, the top end of each tooth on the cutting layer 3 corresponds to the middle position of the medium flow channel, namely the joint position of every two adjacent heat exchange plates 203, the teeth of the cutting layer 3 divide the heat exchange medium flowing out of the medium flow channel into two water flows, then the water flows are divided into a plurality of water flows by the filter holes again, the heat exchange medium is divided into a plurality of water flows, the contact surface between the heat exchange medium and air is increased, and the heat dissipation of the heat exchange medium is improved.
Each cooling magnetic roller 402 comprises a magnet 404 and a plurality of cooling discs 403, the cooling discs 403 are connected through a broken flow column 407, the magnet 404 is arranged on the multi-cooling section body 103 through a base, a motor (not shown in the figure) is arranged on the base, a gear is arranged on an output shaft of the motor, a tooth slot is arranged on the outer side of one cooling disc 403, and the gear is meshed with the cooling disc 403 for transmission;
the cooling disk 403 is formed by splicing a fan 405 and a interlayer 406 at intervals, and the fan 405 is made of a magnetic material. The plurality of refrigeration discs 403 are connected through a broken flow column 407, the inner side of the refrigeration discs 403 is connected with a magnet 404 in a sliding way through a bearing, a motor drives the refrigeration discs 403 to rotate through a gear, the refrigeration discs 403 move in the magnet 404, and the broken flow column 407 is a triangular prism.
When the fan 405 moves into the magnet 404, the magnetic entropy of the fan 405 is reduced, and heat is released, the fan 405 in the magnet 404 is cooled through the magnet 404, and when the fan 405 leaves the magnet 404, the magnetic entropy of the fan 405 is increased, heat is absorbed from the outside, so that the cooling of the surrounding air is realized, and the cooling of a heat exchange medium is further realized;
the cooling disc 403 drives the broken flow column 407 to move when rotating, and when the broken flow column 407 moves the water flow of the heat exchange medium, the water flow is scattered, so that the heat exchange medium is scattered in the multi-cooling section body 103, and the contact surface of the heat exchange medium and the cold air is further increased.
The broken flow column 407 is a triangular prism, and is used for scattering the water flow of the heat exchange medium on one hand, and is used for driving air to move on the other hand, so that air in the multi-cooling section body 103 is disturbed, the air flows, and the flowing air performs cold-heat exchange with the scattered heat exchange medium, so that the deep heat exchange and cooling of the heat exchange medium are realized.
The working principle of the application is as follows:
the medium to be heat exchanged is infused into the box through the upper end cover 101, the heat exchange medium flows into the medium flow channel through the partition plate 108 and the upper frame 201a, and flows in the medium flow channel for heat exchange, the cooling liquid enters the heat exchange plate 203 through the flow plate 204, and the cooling liquid exchanges heat with the heat exchange medium when flowing in the heat exchange plate 203.
The retention groove 203a is recessed inwards to form a bulge in the heat exchange plate 203, the bulges on two sides of the heat exchange plate 203 are matched with each other to form an S-shaped heat exchange flow channel, the S-shaped heat exchange flow channel blocks the flow speed of the cooling liquid, the flow duration of the cooling liquid in the heat exchange plate 203 is prolonged, and the heat exchange of the heat exchange medium is improved.
Air flows to the outer side of the heat exchange box 202 through the water tank 104, the surrounding frame and the filter screen 401 under the infusion of the air supply system and flows between the flow plates 204, the air quantity flowing above the lower frame 201b is reduced due to the fact that the extension size of the lower frame 201b is larger than that of the upper frame 201a, the air outside the heat exchange box 202 is extracted by the extracting pipe 105, the air flow rate outside the heat exchange box 202 is increased, and the heat exchange efficiency outside the heat exchange box 202 is improved; the flow plates 204 are arranged on the heat exchange plates 203, heat conduction exists between the flow plates 204 and the heat exchange plates 203, the flow plates 204 play a role in radiating heat of the heat exchange plates 203, when air flows between the flow plates 204, the temperature of the heat exchange plates 203 is reduced through the temperature reduction of the flow plates 204, and then the heat exchange efficiency of a heat exchange medium in the heat exchange plates 203 is improved.
The medium subjected to heat exchange by the heat exchange plate 203 flows onto the partition layer 3 and is partitioned by the partition layer 3, the teeth of the partition layer 3 partition the heat exchange medium flowing out of the medium flow channel into two water flows, then the water flows are partitioned into a plurality of water flows by the filtering holes again, and the heat dissipation of the heat exchange medium is improved by partitioning the heat exchange medium into a plurality of water flows, increasing the contact surface between the heat exchange medium and air. The multiple small water flows pass through the dividing layer 3 and continue to move towards the cooling magnetic roller 402.
The motor drives the refrigeration disc 403 to rotate through the gear, and the refrigeration disc 403 drives the movement of the broken flow column 407 when rotating, and when the broken flow column 407 impacts the heat exchange medium in the movement process, water flow is scattered, so that the heat exchange medium is scattered in the multi-cooling section body 103, and the contact surface between the heat exchange medium and cold air is further increased.
The refrigeration disk 403 moves in the magnet 404, and the broken flow column 407 is a triangular prism, so that on one hand, the broken flow column is used for scattering the water flow of the heat exchange medium, and on the other hand, the broken flow column is used for driving air to move, so that air in the multi-cooling section body 103 is disturbed, the air flows, and the flowing air exchanges heat with the scattered heat exchange medium, and the deep heat exchange and cooling of the heat exchange medium are realized.
When the fan 405 moves into the magnet 404, the magnetic entropy of the fan 405 is reduced, and heat is released, the fan 405 in the magnet 404 is cooled through the magnet 404, and when the fan 405 leaves the magnet 404, the magnetic entropy of the fan 405 is increased, heat is absorbed from the outside, so that the cooling of the surrounding air is realized, and the cooling of a heat exchange medium is further realized;
the heat exchange medium cooled by the cooling magnetic roller 402 falls into the water tank 104 for temporary storage, flows out of the water tank 104 through the water outlet pipe, and is cooled by multistage cooling, so that the heat exchange effect and the heat exchange efficiency of the heat exchange medium are improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present application, and the present application is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present application has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (4)
1. A heat exchanger with multistage segmentation cooling function, characterized in that: the heat exchanger comprises a box body, a heat exchange box (202) and two cooling magnetic rollers (402) are arranged in the box body, a partition layer (3) is arranged between the heat exchange box (202) and the two cooling magnetic rollers (402), a feed pipe (106) and a discharge pipe (107) are arranged on the box body, the feed pipe (106) is communicated with the lower end of one side of the heat exchange box (202), the discharge pipe (107) is communicated with the upper end of the other side of the heat exchange box (202), the lower end of the box body is connected with an air supply system, and the feed pipe (106) is connected with a liquid supply system;
the box body comprises an upper end cover (101), a primary cooling section body (102), a multi-cooling section body (103) and a water tank (104), wherein the heat exchange box (202) is arranged in the primary cooling section body (102), the cooling magnetic roller (402) is arranged in the multi-cooling section body (103), the upper end of one side of the water tank (104) is connected with an air supply system, the air inlet pipe (106) and the air outlet pipe (107) are arranged on the primary cooling section body (102), the partition layer (3) is arranged in the primary cooling section body (102), the lower end of the other side of the water tank (104) is provided with an outlet pipe, and the upper end cover (101) is provided with an extraction pipe (105);
a partition plate (108) is arranged in the upper end cover (101);
the heat exchange box is characterized in that frames (201) are arranged at the upper end and the lower end of the heat exchange box (202), the frames (201) at the upper end are upper frames (201 a), the frames (201) at the lower end are lower frames (201 b), the upper frames (201 a) are connected with partition plates (108), surrounding frames are arranged on the outer sides of the lower frames (201 b), cooling magnetic rollers (402) are arranged in the surrounding frames, filter screens (401) are arranged above the cooling magnetic rollers (402) on the surrounding frames, the outer sides of the surrounding frames are connected with multi-cooling section bodies (103), and the lower ends of the surrounding frames are connected with water tanks (104);
the two sides of the upper frame (201 a) and the lower frame (201 b) are respectively provided with a extending edge, and the extending edge of the lower frame (201 b) is larger than the extending edge of the upper frame (201 a);
a plurality of heat exchange plates (203) are arranged in the heat exchange box (202), retention grooves (203 a) are punched on one side of each of two outermost heat exchange plates (203), retention grooves (203 a) are punched on two sides of the rest heat exchange plates (203), and the retention grooves (203 a) on every two adjacent heat exchange plates (203) are mutually matched to form a medium flow passage;
the two sides of each heat exchange plate (203) are provided with flow plates (204), the inside of each heat exchange plate (203) is hollow, the flow plates (204) positioned on one side of the heat exchange plate (203) are communicated with the inlet pipe (106), the flow plates (204) positioned on the other side of the heat exchange plate (203) are communicated with the outlet pipe (107), and the flow plates (204) extend out of the heat exchange box (202) and are in close contact with the primary cooling section body (102);
the partition layer (3) is of a toothed filter screen structure, and the top end of each tooth of the partition layer (3) facing the heat exchange box (202) is positioned in the middle of the medium flow channel;
each cooling magnetic roller (402) comprises a magnet (404) and a plurality of refrigeration discs (403), the refrigeration discs (403) are connected through a crushing column (407), the magnet (404) is arranged on the multi-cooling section body (103) through a base, a motor is arranged on the base, a gear is arranged on an output shaft of the motor, a tooth slot is formed in the outer side of one refrigeration disc (403), and the gear is meshed with the refrigeration disc (403) for transmission;
the refrigeration disc (403) is formed by splicing a fan blade (405) and a separation layer (406) at intervals, and the fan blade (405) is made of a magnetic material;
a heat exchange medium to be subjected to heat exchange is infused into the box body through the upper end cover (101), flows into the medium flow channel through the partition plate (108) and the upper frame (201 a), and flows in the medium flow channel for heat exchange, and cooling liquid enters the heat exchange plate (203) through the flow plate (204) and exchanges heat with the heat exchange medium when flowing in the heat exchange plate (203);
the air flows to the outer side of the heat exchange box (202) through the water tank (104), the surrounding frame and the filter screen (401) under the infusion of the air supply system, flows between the flow plates (204), the extraction pipe (105) extracts the air outside the heat exchange box (202), heat conduction exists between the flow plates (204) and the heat exchange plates (203), and the flow plates (204) play a role in heat dissipation of the heat exchange plates (203);
the heat exchange medium subjected to heat exchange by the heat exchange plate (203) flows onto the partition layer (3) and is partitioned by the partition layer (3), the teeth of the partition layer (3) divide the heat exchange medium flowing out of the medium flow channel into two water flows, then the water flows are partitioned into a plurality of water flows by the filtering holes again, and the plurality of fine water flows continuously move towards the direction of the cooling magnetic roller (402) through the partition layer (3);
the motor drives the refrigeration disc (403) to rotate through the gear, the refrigeration disc (403) drives the broken flow column (407) to move when rotating, and when the broken flow column (407) impacts a heat exchange medium in the moving process, water flow is scattered, so that the heat exchange medium is scattered in the multi-cooling section body (103);
when the fan blade (405) moves into the magnet (404), the magnetic entropy of the fan blade (405) is reduced, and the heat is externally discharged, the fan blade (405) in the magnet (404) is cooled through the magnet (404), and when the fan blade (405) leaves the magnet (404), the magnetic entropy of the fan blade (405) is increased, and heat is absorbed from the outside, so that the cooling of the surrounding air is realized; the heat exchange medium cooled by the cooling magnetic roller (402) falls into the water tank (104) for temporary storage and flows out of the water tank (104) through the water outlet pipe.
2. A heat exchanger with multi-stage staged cooling function as defined in claim 1, wherein: positioning grooves (203 b) are formed in each heat exchange plate (203), positioning holes are formed in the upper frame (201 a), the positioning grooves (203 b) on every two adjacent heat exchange plates (203) are matched with each other to form positioning clamping grooves, the positioning clamping grooves correspond to the positions of the positioning holes, and positioning pins (205) are inserted into the positioning holes and the positioning clamping grooves.
3. A heat exchanger with multi-stage staged cooling function as defined in claim 2, wherein: the retention grooves (203 a) are formed in the heat exchange plate (203) in a protruding manner, and the retention grooves (203 a) on both sides of the heat exchange plate (203) enable the heat exchange plate (203) to form an S-shaped heat exchange flow channel (203 c) inside.
4. A heat exchanger with multi-stage staged cooling function as defined in claim 1, wherein: the broken flow column (407) is a triangular prism.
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| CN202210555436.1A CN114857839B (en) | 2022-05-20 | 2022-05-20 | Heat exchanger with multistage segmentation cooling function |
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| CN202210555436.1A CN114857839B (en) | 2022-05-20 | 2022-05-20 | Heat exchanger with multistage segmentation cooling function |
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| CN114857839B true CN114857839B (en) | 2023-10-27 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1463657A (en) * | 1973-04-24 | 1977-02-02 | Boc International Ltd | Microwave oven |
| CN101761508A (en) * | 2008-12-26 | 2010-06-30 | 乐金电子(天津)电器有限公司 | Cooling fan structure of microwave oven |
| CA2746204A1 (en) * | 2010-07-28 | 2012-01-28 | General Electric Company | Cooling system of an electromagnet assembly |
| EP2729254A1 (en) * | 2011-07-08 | 2014-05-14 | Technische Universität Wien | Cooling/heating device |
| CN105466070A (en) * | 2014-08-27 | 2016-04-06 | 青岛海尔股份有限公司 | Rotary type magnetic refrigeration component and magnetic refrigeration equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040245085A1 (en) * | 2002-03-13 | 2004-12-09 | Gopalakrishnan Srinivasan | Process and synthesizer for molecular engineering and synthesis of materials |
| JP6486998B2 (en) * | 2017-08-10 | 2019-03-20 | 株式会社フジクラ | Heat exchanger and magnetic heat pump device |
-
2022
- 2022-05-20 CN CN202210555436.1A patent/CN114857839B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1463657A (en) * | 1973-04-24 | 1977-02-02 | Boc International Ltd | Microwave oven |
| CN101761508A (en) * | 2008-12-26 | 2010-06-30 | 乐金电子(天津)电器有限公司 | Cooling fan structure of microwave oven |
| CA2746204A1 (en) * | 2010-07-28 | 2012-01-28 | General Electric Company | Cooling system of an electromagnet assembly |
| EP2729254A1 (en) * | 2011-07-08 | 2014-05-14 | Technische Universität Wien | Cooling/heating device |
| CN105466070A (en) * | 2014-08-27 | 2016-04-06 | 青岛海尔股份有限公司 | Rotary type magnetic refrigeration component and magnetic refrigeration equipment |
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| CN114857839A (en) | 2022-08-05 |
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