CN201166437Y - Heat recovery device of pulsating hot pipe type air conditioner air exhausting system - Google Patents
Heat recovery device of pulsating hot pipe type air conditioner air exhausting system Download PDFInfo
- Publication number
- CN201166437Y CN201166437Y CN 200820054984 CN200820054984U CN201166437Y CN 201166437 Y CN201166437 Y CN 201166437Y CN 200820054984 CN200820054984 CN 200820054984 CN 200820054984 U CN200820054984 U CN 200820054984U CN 201166437 Y CN201166437 Y CN 201166437Y
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- Prior art keywords
- heat pipe
- pulsating
- heat
- pipe
- pulsating heat
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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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a heat recovery device of a pulsating heat pipe type air-conditioning exhaust system, which comprises a box body (3), a supporting board (2), a pulsating heat pipe (1) and an aluminum central baffle board (5), wherein the aluminum central baffle board (5) is divided into a cold air heat exchanging cavity and a hot air heat exchanging cavity by the box body (3), the pulsating heat pipe (1) can be mounted in the heat recovery device at any angles, both ends of the pulsating heat pipe (1) are fixed on the supporting board (2), and the center is fixed by a mounting groove (4) which is pre-left on the aluminum central baffle board (5). The heat transfer direction of the pulsating heat pipe is not influenced by gravitational fields, and the installation and the arrangement modes are very flexible. The utility model has the advantages of high heat recovery efficiency, simple structure, low cost, convenient maintenance and wide application scope, which can recover heat in a whole year without regulating the direction, and is not limited by seasons and areas.
Description
Technical field
The utility model relates to a kind of waste-heat recovery device, relates in particular to a kind of air-conditioning exhaust system waste-heat recovery device.
Background technology
HVAC (heating, heating ventilation and air-conditioning) is the building energy consumption rich and influential family.In American-European countries, the HVAC energy consumption accounts for about 65% of building total energy consumption; In China, be example with cotton mill and precision electronic device factory, the electric weight that summer air-conditioning, refrigeration are used accounts for more than 45% of full station-service electric weight, and what have reaches more than 60%, and what this shows HVAC energy-conservationly has a considerable meaning.In the air draft of ventilation and air conditioning system, a part of useful energy (heat or cold) will inevitably be slatterned; Simultaneously, for being handled, new wind drops into new energy again.If heat reclamation device is installed in system cold in the air draft or heat are reclaimed, and utilize the energy of these recovery that new wind is done preliminary treatment, will make air-conditioning system save a lot of energy.
At present, Chang Yong air heat recovery device mainly contains: rotary-type heat reclamation device, plate-type heat recovery device, the circulating heat reclamation device in water route and gravity assisted heat pipe formula heat reclamation device etc.In existing technology, application number is 200620166186.9, and the utility model that name is called rotary-type energy recycle device belongs to rotary-type heat reclamation device; Application number is 02205247.X, and the utility model that name is called plate type heat exchanger belongs to plate-type heat recovery device; Application number is 200420012769.7, and the utility model that name is called wall-hanging gas fired-boiler water route EGR belongs to the circulating heat reclamation device in water route; Application number is 90219605.7, and the patent that name is called a kind of gas-gas type heat exchange of heat pipe belongs to gravity assisted heat pipe formula heat reclamation device.Rotary-type heat reclamation device needs consume electric power, and needs regularly more conversion materials, safeguards very loaded down with trivial details and operating cost is high; Plate-type heat recovery device is simple in structure, and low cost, but it has very high requirement to the material of dividing plate is difficult in maintenance and heat recovery efficiency is not high; Circulating pump in the circulating heat reclamation device in water route needs consume electric power, and heat recovery efficiency is not high, and it only just can have energy-saving effect preferably in outdoor temperature lower winter; Gravity assisted heat pipe formula heat reclamation device compact conformation, the heat transfer area of unit volume is big, and the heat exchange efficiency height does not consume additional energy.Some need the applications of brand-new wind to have very big potential in medicine manufacturing, hospital operating room, electronics and precision instrument processing etc. for it.But the operation principle of gravity assisted heat pipe formula heat reclamation device requires the installation site of its condensation segment must be higher than evaporator section, and this makes it when all needing in two seasons of summer in winter to carry out the applications of heat (cold) recovery, and having changes according to the season needs the shortcoming of commutation.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of pulsating heat pipe formula air-conditioning exhaust system waste-heat recovery device, and heat exchange efficiency is low in the solution prior art, and changing according to the season needs the defective of commutation.
Technical scheme
A kind of pulsating heat pipe formula air-conditioning exhaust system waste-heat recovery device, comprise casing, supporting plate, pulsating heat pipe, aluminium median septum, described casing is divided into cold air heat exchange cavity and hot-air heat exchange cavity two parts by the aluminium median septum, described pulsating heat pipe can arbitrarily angledly be installed in the inside of heat reclamation device, two ends are fixed on the supporting plate, and the centre is fixed with reserving mounting groove on the aluminium median septum.
Described pulsating heat pipe is copper pipe or aluminum pipe, and the caliber scope is 1-5mm, curves 40 more than the elbow.Working media was chosen as water, R134a, R123 when material was copper pipe, and working media was an ammonia when material was aluminum pipe.Liquid filled ratio be taken as heat pipe cumulative volume 50%.Described pulsating heat pipe can also install fin additional.
The afterbody of described supporting plate 2 has curved arc on, and pulsating heat pipe 1 directly rides over the last curved arc inboard of supporting plate 2, and the height of arc is the twice pipe diameter length of pulsating heat pipe.
Pulsating heat pipe passes the aluminium median septum, the both sides of aluminium median septum are respectively hot blast heat exchange cavity and cold wind heat exchange cavity, and hot blast and cold wind this two cavitys of flowing through respectively skim over pulsating heat pipe, heat then passes to the other end by an end of pulsating heat pipe, thereby carries out waste heat recovery.
Beneficial effect
The heat transfer direction of the utility model pulsating heat pipe is not subjected to the influence of gravitational field, so the installation of pulsating heat pipe and arrangement are very flexible, both has been suitable for tilting to install, and is suitable for level again and installs.Setting height(from bottom) to condensation end does not have special requirement, can be arranged in evaporation ends above or below or equally high.So regardless of installation site and angle, pulsating heat pipe formula air-conditioning exhaust system waste-heat recovery device can carry out recuperation of heat.Secondly, under identical working medium condition, the startup temperature difference of pulsating heat pipe is little, so the average annual recuperation of heat time of areal pulsating heat pipe formula heat reclamation device will be grown; Can carry out recuperation of heat throughout the year and need not to debug its direction, the heat recovery efficiency height, simple in structure, cost is low, and is easy to maintenance, is not subjected to the restriction of season and region, applied widely.
Description of drawings
Fig. 1 pulsating heat pipe structure and curve form figure;
Fig. 2 pulsating heat pipe formula air-conditioning exhaust system waste-heat recovery device figure;
Fig. 3 pulsating heat pipe two ends fixation side view.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Structure of the present utility model and principle are seen Fig. 2.Pulsating heat pipe Air Conditioning heat reclamation device mainly is made up of casing 3, supporting plate 2, pulsating heat pipe 1, aluminium median septum 5 and new wind and return air air port, described casing 3 is divided into cold air heat exchange cavity and hot-air heat exchange cavity two parts by aluminium median septum 5, can add insulation material in the periphery of device in case of necessity.Pulsating heat pipe 1 adopts bikini to fix: reserve mounting groove 4 when the aluminium median septum is made, after pulsating heat pipe 1 passed mounting groove 4, recycle silicon glue was lived the gap sealing of mounting groove 4, in case the formation cross pollution of leaking out.All the other two ends of pulsating heat pipe 1 are then fixing by supporting plate 2, and as shown in Figures 2 and 3, the afterbody of supporting plate 2 is made curved arc on, pulsating heat pipe 1 directly rides over the last curved arc inboard of supporting plate 2, the height of arc is designed to the twice pipe diameter length of pulsating heat pipe, so both convenient installation the, firm pulsating heat pipe again.
The curve form of pulsating heat pipe such as Fig. 1, its making and the course of work are as follows: with an effective active length is that 20m (is easily sealing, preferably reserve rich length, total length as pipe is chosen as 20.2m), the round light pipe of diameter 2mm curves 40 more than the elbow, total height between evaporation ends and the condensation end is 0.5m, the adjacent tubes spacing is 5mm, is 1.33 * 10 with degree of being evacuated in the pipe then
-3The vacuum of Pa, the R134a that fills its volume capacity 50% is as working media.Like this, because caliber is enough little, will form the state that random distribution was arranged and be to bubble post and liquid column at interval in the pipe.The heat absorption of the working medium of the pulsating heat pipe in the hot-air heat exchange cavity produces bubble, expands rapidly and boosts, and promotes the pulsating heat pipe that working medium flows to cold air heat exchange inside cavity, and there, the bubble cooling is shunk also and broken, and pressure descends.Like this,, make working medium Oscillation Flows between the pulsating heat pipe of cold and hot inside cavity, thereby realize the transmission of heat owing to have the pressure imbalance that exists between pressure reduction and the adjacent pipe between two ends.
Claims (4)
1. pulsating heat pipe formula air-conditioning exhaust system waste-heat recovery device, it is characterized in that: comprise casing (3), supporting plate (2), pulsating heat pipe (1), aluminium median septum (5), described casing (3) aluminium median septum (5) is divided into cold air heat exchange cavity and hot-air heat exchange cavity two parts, described pulsating heat pipe (1) can arbitrarily angledly be installed in the inside of heat reclamation device, two ends are fixed on the supporting plate (2), and middle upward reservation mounting groove (4) is fixing with aluminium median septum (5).
2. pulsating heat pipe formula air-conditioning exhaust system waste-heat recovery device as claimed in claim 1, it is characterized in that: described pulsating heat pipe (1) is copper pipe or aluminum pipe, the caliber scope is 1-5mm, curve 40 more than the elbow, working media was chosen as water, R134a, R123 when material was copper pipe, working media was an ammonia when material was aluminum pipe, liquid filled ratio be taken as heat pipe cumulative volume 50%.
3. pulsating heat pipe formula air-conditioning exhaust system waste-heat recovery device as claimed in claim 1, it is characterized in that: described pulsating heat pipe (1) can also install fin additional.
4. pulsating heat pipe formula air-conditioning exhaust system waste-heat recovery device as claimed in claim 3, it is characterized in that: the afterbody of described supporting plate (2) has curved arc on, pulsating heat pipe (1) directly rides over the last curved arc inboard of supporting plate (2), and the height of arc is the twice pipe diameter length of pulsating heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820054984 CN201166437Y (en) | 2008-01-22 | 2008-01-22 | Heat recovery device of pulsating hot pipe type air conditioner air exhausting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820054984 CN201166437Y (en) | 2008-01-22 | 2008-01-22 | Heat recovery device of pulsating hot pipe type air conditioner air exhausting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166437Y true CN201166437Y (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820054984 Expired - Fee Related CN201166437Y (en) | 2008-01-22 | 2008-01-22 | Heat recovery device of pulsating hot pipe type air conditioner air exhausting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166437Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628991A (en) * | 2020-12-17 | 2021-04-09 | 四方科技集团股份有限公司 | Wind-heat recoverer |
-
2008
- 2008-01-22 CN CN 200820054984 patent/CN201166437Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628991A (en) * | 2020-12-17 | 2021-04-09 | 四方科技集团股份有限公司 | Wind-heat recoverer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20120122 |