CN104613798A - Micro array heat pipe gas-liquid countercurrent flow heat exchange device - Google Patents
Micro array heat pipe gas-liquid countercurrent flow heat exchange device Download PDFInfo
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- CN104613798A CN104613798A CN201510012612.7A CN201510012612A CN104613798A CN 104613798 A CN104613798 A CN 104613798A CN 201510012612 A CN201510012612 A CN 201510012612A CN 104613798 A CN104613798 A CN 104613798A
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- liquid
- heat pipe
- heat exchange
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- heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The invention discloses a micro array heat pipe gas-liquid countercurrent flow heat exchange device and belongs to the field of heating, ventilating and air conditioning equipment. The device comprises a fan, a shell, a plurality of micro array heat pipe plates and a liquid side heat exchange box. The micro array heat pipe plates are fixed in the shell in parallel. The two gas-liquid sides are separated by a gas-liquid partition plate. The micro array heat pipe liquid side part stretches into the liquid side heat exchange box, and the micro array heat pipe gas side part is externally connected with the fan. The liquid side heat exchange box comprises a liquid separation main channel, a liquid collection main channel and branch heat exchange channels arranged in parallel. Baffling plates are arranged in the branch heat exchange channels in a staggered mode, the heat exchange area is increased, the resistance is increased properly, and hydraulic equilibrium between branches is facilitated; meanwhile, the overflowing area is reduced, heat exchange can be strengthened and pump consumption is reduced. The micro array heat pipe gas-liquid countercurrent flow heat exchange device is light and ingenious in structure and high in safety, achieves gas and liquid countercurrent flow heat exchange, greatly improves the heat exchange ability, reduces pump consumption, and is particularly suitable for the fields of natural machine room cooling, waste heat recovery and the like.
Description
Technical field
The present invention relates to a kind of microarray heat pipe solution-air heat-exchanger rig, the high performance counter current heat exchange of plurality of liquid and gas can be realized, also can be used for remote heat exchange between gas, belong to hvac equipment technical field,
Background technology
A lot of links of HVAC need gas-liquid heat exchange.Traditional gas-liquid heat exchange device has radiator, fan coil etc.These device structures are complicated, processing, installation and maintenance trouble, and consumptive material is many, and heat exchange efficiency is low.And at base station and machine room etc., higher place is required to device security, challenge is proposed to the wall-type heat exchange of refrigerating medium and air.Because refrigerating medium is once leak to indoor, consequence is very serious.
In recent years, the heat pipe heat exchanging technology utilizing phase-change material to realize high efficient heat exchanging obtains significant progress.Its consumptive material is few, and security is high, and heat exchange property is good, is widely used in cooling, the recuperation of heat field naturally of machine room and base station.
Application number is that the Chinese patent of CN200810225649.8 proposes a kind of Platelike heat pipe technical scheme, namely many parallel micropores are had to restrain in the plate inside of metal material (being generally aluminium), micropore tube bank is inner, and charge can the working medium of phase transformation, each micropore restrain two sections close form independently heat pipe unit, be namely called microarray flat heat pipe.This heat pipe technically improves in conventional heat pipe, has the advantages such as lightweight is little, can applying electronic element radiating, field of solar collectors.But it, as the basic heat exchange component of one, can not independently use, and need be assembled into heat exchanger for actual conditions.
Application number is that the Chinese patent of CN201410100490.2 proposes a kind of convenient, flexible, reliable microarray flat heat pipe veneer assembling mode.Microarray flat heat pipe combines use by it, can be applicable to the field heat exchange such as HVAC.But its structure is original, not yet realize the countercurrent flow of fluid.Therefore, under same case, its heat transfer temperature difference is less, needs larger heat exchange area and flow velocity.
Summary of the invention
The object of this invention is to provide a kind of microarray heat pipe solution-air adverse current heat exchanger, be intended on the basis of original micro heat pipe array heat-exchanger rig, improve its heat exchange efficiency further; Adopt modular construction simultaneously, be convenient to type selecting and assembled, realize convenient, assemble flexibly, and then adapt to large-scale promotion application.
Technical scheme of the present invention is as follows:
A kind of microarray heat pipe solution-air adverse current heat exchanger, comprise blower fan, shell, microarray heat pipe plate and liquid side heat exchange casing, microarray heat pipe plate is divided into microarray heat pipe air side part and microarray heat pipe liquid side part; Multiple microarray heat pipe plate is parallel to be fixed in the enclosure, microarray heat pipe liquid side part stretches in liquid side heat exchange casing, microarray heat pipe air side part forms gas flow, blower fan is arranged on entrance or the outlet of gas flow, it is characterized in that: described liquid side heat exchange casing comprises multiple branches heat exchanger channels of liquid inlet, liquid outlet, separatory overall channel, liquid collecting overall channel and parallel side-by-side; Separatory overall channel is connected with liquid inlet, and liquid collecting overall channel is connected with liquid outlet, is connected between separatory overall channel and liquid collecting overall channel by branch's heat exchanger channels; In each branch heat exchanger channels, interlaced arrangement has deflection plate, forms snakelike heat exchange runner; In heat-exchanger rig, the flow direction of gas flow and snakelike heat exchange runner is contrary.
In technique scheme of the present invention, described deflection plate is arranged on the both sides of microarray heat pipe plate liquid side part, the deflection plate interlaced arrangement of both sides; Gas-liquid demarcation strip is provided with lateral insert, and in microarray heat pipe liquid side part laterally inserted liquid side heat exchange casing, the liquid side part between adjacent microarray heat pipe plate forms snakelike heat exchange runner.
Another technical characteristic of the present invention is: be provided with the vertical slot corresponding with microarray heat pipe plate in liquid side heat exchange casing, at vertical slot built with heat-conducting medium, microarray heat pipe liquid side part stretches in described vertical slot, deflection plate is arranged on the both sides of described vertical slot, forms snakelike heat exchange runner between adjacent vertical slot.
Heat-conducting medium of the present invention is conduction oil, graphite powder or metal.In described liquid side heat exchange casing, the liquid of flowing is water, solution, alcohols or gas-liquid phase transition medium.In described gas flow, the gas of flowing is air, steam or flue gas.
A kind of microarray heat pipe solution-air adverse current heat exchanger of the present invention, is characterized in that: multiple described microarray heat pipe solution-air adverse current heat exchanger adopts in parallel or series connection.
The present invention has the following advantages and the technique effect of high-lighting: 1. in liquid side heat exchange casing, have employed multiple parallel branch's heat exchanger channels, make fluid unidirectional (contrary with gas flow) flowing wherein, achieve the countercurrent flow between gas-liquids, improve exchange capability of heat; 2. add deflection plate in the branch's heat exchanger channels in liquid side box body, add disturbance, increase the coefficient of heat transfer; Reduce area of passage, decrease flow, thus save pump consumption; Considerably increase inned coefficient, enhance heat exchange; Suitably add resistance, achieve the hydraulic equilibrium of each passage; 3. this heat exchanger overall structure is simple, and lightweight, volume is little, and transport and installation easily, do not need professional scene to vacuumize charging refrigerant yet; 4. the two kinds of processing schemes proposed achieve to be assembled fast and easily, and ensure that sealing and security; 5. this device adopts modular construction, is convenient to type selecting and assembled, and applicability is wide, is applicable to large-scale promotion and uses.
In a word, the present invention, by carrying out rationally designing cleverly to the hydraulic fluid side heat exchange casing of existing micro heat pipe array heat exchanger, constitutes efficient, reliable, easy contra-flow heat exchanger, has a extensive future.
Accompanying drawing explanation
Fig. 1 is the front view of microarray heat pipe solution-air adverse current heat exchanger.
Fig. 2 is the left view of microarray heat pipe solution-air adverse current heat exchanger.
Fig. 3 is the top view of microarray heat pipe solution-air adverse current heat exchanger.
Fig. 4 a is the structural representation that liquid sidepiece is arranged with the microarray heat pipe plate of deflection plate.
Fig. 4 b is the structural representation that liquid side part does not have the microarray heat pipe plate of deflection plate.
Fig. 5 is the three dimensional sectional view of liquid side box body of the present invention.
Fig. 6 is the assembling mode that the liquid sidepiece of microarray heat pipe plate is arranged with the microarray heat pipe solution-air adverse current heat exchanger of deflection plate.
Fig. 7 is the assembling mode that the liquid side part of microarray heat pipe plate does not have the microarray heat pipe solution-air adverse current heat exchanger of deflection plate.
In figure: 1-blower fan; 2-shell; 3-microarray heat pipe plate; 4-liquid side heat exchange casing; 5-microarray heat pipe air side part; 6-microarray heat pipe liquid side part; 7-liquid inlet; 8-liquid outlet; 9-separatory overall channel; 10-liquid collecting overall channel; 11-branch heat exchanger channels; 12-deflection plate; 13-gas flow; 14-flow direction; 15-gas-liquid demarcation strip; The vertical slot of 16-; 17-gas flow; 19-gas side heat exchange casing; 20-mono-group of microarray heat pipe plate; 21-liquid side heat exchange box cover; 22-lateral insert.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present invention, structure and detailed description of the invention are described further.
Fig. 1-3 is the structural principle schematic diagram of microarray heat pipe solution-air adverse current heat exchanger provided by the invention, so-called microarray heat pipe plate, namely microarray heat pipe plate inside has the micropore of many parallel arrays to restrain, charging in tube bank can the working medium of phase transformation, and each micropore tube bank closed at both ends forms independently heat pipe unit.Heat pipe one end is stretched in liquid side heat exchange casing, carries out heat exchange with liquid; The other end is arranged in the air-flow of air side, with air heat-exchange.Thus, microarray heat pipe plate just becomes the medium of gas and liquid indirect heat exchange, and ensure that the sealing of liquid, adapts to concrete technology requirement.
Microarray heat pipe solution-air adverse current heat exchanger of the present invention contains blower fan 1, shell 2, microarray heat pipe plate 3 and liquid side heat exchange casing 4.Microarray heat pipe plate is divided into microarray heat pipe air side part 5 and microarray heat pipe liquid side part 6; Multiple microarray heat pipe plate 3 is parallel to be fixed in the enclosure, and microarray heat pipe liquid side part 6 stretches in liquid side heat exchange casing 4, and microarray heat pipe air side part 5 forms gas flow, and blower fan 1 is arranged on entrance or the outlet of gas flow; Described liquid side heat exchange casing 4 comprises multiple branches heat exchanger channels 11 of liquid inlet 7, liquid outlet 8, separatory overall channel 9, liquid collecting overall channel 10 and parallel side-by-side; Separatory overall channel 9 is connected with liquid inlet 7, and liquid collecting overall channel 10 is connected with liquid outlet 8, is connected between separatory overall channel 9 and liquid collecting overall channel 10 by branch's heat exchanger channels 11; In each branch heat exchanger channels, both sides interlaced arrangement has deflection plate 12, forms snakelike heat exchange runner; In heat-exchanger rig, the flow direction 14 of gas flow 13 and snakelike heat exchange runner is contrary.
Fig. 4 a and Fig. 4 b is respectively the structural representation of microarray heat pipe plate that liquid sidepiece is arranged with deflection plate and does not have deflection plate.
Fig. 5 is the liquid side heat exchange casing three-dimensional structure schematic diagram in the present invention, and casing is made up of branch's heat exchanger channels 11 three parts of separatory overall channel 9, liquid collecting overall channel 10 and parallel side-by-side.Liquid first flows to separatory overall channel 9 after entering liquid side heat exchange casing from liquid inlet 7, then flows through abreast in each branch's heat exchanger channels 11, is pooled to liquid collecting overall channel 10, finally from liquid outlet 8 efflux side heat exchange casing.Deflection plate 12 is furnished with in branch's heat exchanger channels 11.These deflection plates are again fins simultaneously, considerably increase the heat exchange area of microarray heat pipe plate 6 and liquid, and enhance disturbance, improve heat exchange efficiency; Also suitably increase resistance, make the resistance relative equilibrium in each branch's heat exchanger channels, the flow that each branch is assigned to is roughly the same simultaneously.In addition, the baffling structure of rib shape makes area of passage greatly reduce, and can reduce flow under identical flow velocity, saves pump consumption.
By the unique design of liquid side heat exchange casing, when liquid is flowed in branch's heat exchanger channels, totally only have a flow direction 14, this flow direction is contrary with the gas flow 14 in gas side heat exchange casing.Thus, the countercurrent flow of gas-liquid can be realized, considerably increase exchange capability of heat, flow (pump consumption) and heat exchange area (cost) can be saved, and increase range of application (not necessarily will lower than the inlet temperature adding hot fluid by the outlet temperature adding hot fluid).
This microarray heat pipe solution-air adverse current heat exchanger has multiple processing assembling mode.
Fig. 6 is the assembling mode that the liquid sidepiece of microarray heat pipe plate is arranged with the microarray heat pipe solution-air adverse current heat exchanger of deflection plate.Fig. 4 a is the microarray heat pipe form that this assembling mode adopts, and liquid sidepiece is arranged with deflection plate.To be burn-on alternately in the both sides of microarray heat pipe liquid side part (or being stained with) baffle, namely obtain form shown in Fig. 4 a.And the gas-liquid demarcation strip processed with lateral insert 22, as shown in Figure 6.Then by one group of microarray heat pipe plate from the side laterally inserted liquid side heat exchange casing, namely the liquid side part between adjacent microarray heat pipe plate forms snakelike heat exchange runner.Again another part of liquid side heat exchange box body case is spelled, formed overall.Then adopt welding, sealing gasket etc. mode to complete sealing to positions such as the seams of casing, each assembly adopts the components such as screw to be fixed up.Finally, increase the shell of gas side heat exchange casing, enclose blower fan, namely complete the overall processing assembling of solution-air adverse current heat exchanger.Some steps of this processing assembling mode can be exchanged, and do not affect overall splicing.In addition, the concrete assembly component of liquid side heat exchange casing can have multiple combining form.But these assembling modes all meet a feature: the liquid side part namely first deflection plate being arranged on microarray heat pipe, then the microarray heat pipe plate of liquid side part band deflection plate are put into liquid side heat exchange casing, then carry out assembling and sealing.
The liquid side part of Fig. 7 microarray heat pipe plate does not have the assembling mode of the microarray heat pipe solution-air adverse current heat exchanger of deflection plate.Fig. 4 b is the microarray heat pipe form that this assembling mode adopts, and its liquid side part is not with deflection plate.First need process the vertical slot 16 of outer bands deflection plate as shown in Figure 7, and be fixed in liquid side heat exchange casing, deflection plate interlaced arrangement between adjacent two vertical slot 16s, forms snakelike heat exchange runner.In specific implementation process, first deflection plate can be welded in outside vertical slot alternately, and vertical slot is welded on box bottom.Then the gas-liquid demarcation strip with jack on liquid side heat exchange casing upper cap, and microarray heat pipe liquid side part is inserted liquid side heat exchange casing from above, whole process is as shown in Figure 7.For ensureing microarray heat pipe liquid side part and vertical slot close contact, can add appropriate heat-conducting medium in vertical slot, heat-conducting medium is conduction oil, graphite powder or metal.Finally, each seam crossing is sealed, add the shell of gas side heat exchange casing, enclose fan, just complete overall heat-exchanger rig assembling.Wherein, some processing assembling sequences can be exchanged, and such as often can splice a place and are just fixed and seal, and also finally can unify fixing and sealing.
Process the microarray heat pipe solution-air adverse current heat exchanger be assembled into, in concrete use procedure: in liquid side heat exchange casing, the liquid of flowing is water, solution, alcohols or gas-liquid phase transition medium, in gas flow, the gas of flowing is air, steam or flue gas, for different heat exchange occasions.
Multiple described microarray heat pipe solution-air adverse current heat exchanger can use, to meet required heat transfer requirements in parallel or series connection.
Claims (7)
1. a microarray heat pipe solution-air adverse current heat exchanger, comprise blower fan (1), shell (2), microarray heat pipe plate (3) and liquid side heat exchange casing (4), microarray heat pipe plate is divided into microarray heat pipe air side part (5) and microarray heat pipe liquid side part (6); Multiple microarray heat pipe plate (3) is parallel fixes in the enclosure, microarray heat pipe liquid side part (6) is stretched in liquid side heat exchange casing (4), microarray heat pipe air side part (5) forms gas flow, blower fan (1) is arranged on entrance or the outlet of gas flow, it is characterized in that: described liquid side heat exchange casing (4) comprises multiple branches heat exchanger channels (11) of liquid inlet (7), liquid outlet (8), separatory overall channel (9), liquid collecting overall channel (10) and parallel side-by-side; Separatory overall channel (9) is connected with liquid inlet (7), liquid collecting overall channel (10) is connected with liquid outlet (8), is connected between separatory overall channel (9) and liquid collecting overall channel (10) by branch's heat exchanger channels (11); Each branch heat exchanger channels (11) interior interlaced arrangement has deflection plate (12), forms snakelike heat exchange runner; The flow direction (14) of gas flow in heat-exchanger rig (13) and snakelike heat exchange runner is contrary.
2. a kind of microarray heat pipe solution-air adverse current heat exchanger as claimed in claim 1, is characterized in that: described deflection plate (12) is arranged on the both sides of microarray heat pipe plate liquid side part, the deflection plate interlaced arrangement of both sides; Gas-liquid demarcation strip (15) is provided with lateral insert (22), in microarray heat pipe liquid side part (6) laterally inserted liquid side heat exchange casing (4), the liquid side part between adjacent microarray heat pipe plate forms snakelike heat exchange runner.
3. a kind of microarray heat pipe solution-air adverse current heat exchanger as claimed in claim 1, it is characterized in that: in liquid side heat exchange casing, be provided with the vertical slot (16) corresponding with microarray heat pipe plate, at vertical slot built with heat-conducting medium, microarray heat pipe liquid side part (6) is stretched in described vertical slot, deflection plate (12) is arranged on the outside of described vertical slot, deflection plate interlaced arrangement between adjacent two vertical slots, forms snakelike heat exchange runner.
4. a kind of microarray heat pipe solution-air adverse current heat exchanger according to claim 3, is characterized in that: described heat-conducting medium is conduction oil, graphite powder or metal.
5. a kind of microarray heat pipe solution-air adverse current heat exchanger according to the arbitrary claim of Claims 1 to 4, is characterized in that: in described liquid side heat exchange casing, the liquid of flowing is water, solution, alcohols or gas-liquid phase transition medium.
6. a kind of microarray heat pipe solution-air adverse current heat exchanger according to the arbitrary claim of Claims 1 to 4, is characterized in that: in described gas flow, the gas of flowing is air, steam or flue gas.
7. a kind of microarray heat pipe solution-air adverse current heat exchanger as described in claim 1,2 or 3, is characterized in that: multiple described microarray heat pipe solution-air adverse current heat exchanger adopts in parallel or series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012612.7A CN104613798A (en) | 2015-01-09 | 2015-01-09 | Micro array heat pipe gas-liquid countercurrent flow heat exchange device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012612.7A CN104613798A (en) | 2015-01-09 | 2015-01-09 | Micro array heat pipe gas-liquid countercurrent flow heat exchange device |
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| CN104613798A true CN104613798A (en) | 2015-05-13 |
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| CN201510012612.7A Pending CN104613798A (en) | 2015-01-09 | 2015-01-09 | Micro array heat pipe gas-liquid countercurrent flow heat exchange device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546113A (en) * | 2016-11-29 | 2017-03-29 | 无锡市锡源锅炉有限公司 | A kind of heat carrier gas stove device for recycling exhaust smoke residual heat |
| CN112002355A (en) * | 2020-07-27 | 2020-11-27 | 北京浪潮数据技术有限公司 | Hard disk liquid cooling heat dissipation system and server |
| CN113883925A (en) * | 2021-10-18 | 2022-01-04 | 西安交通大学 | Uniform liquid film evaporation heat exchanger and method |
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| CN103837027A (en) * | 2014-03-18 | 2014-06-04 | 清华大学 | Microarray heat pipe gas-liquid heat exchange device capable of two-way heat transfer |
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| CN2171837Y (en) * | 1993-10-04 | 1994-07-13 | 四平市九园热交换设备制造公司 | Efficient full threading pipe heat exchanger |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106546113A (en) * | 2016-11-29 | 2017-03-29 | 无锡市锡源锅炉有限公司 | A kind of heat carrier gas stove device for recycling exhaust smoke residual heat |
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| CN113883925B (en) * | 2021-10-18 | 2022-08-09 | 西安交通大学 | Uniform liquid film evaporation heat exchanger and method |
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Application publication date: 20150513 |