CN111426093B - Heat pipe cold quantity transfer mechanism suitable for lithium bromide absorption type air water generator - Google Patents
Heat pipe cold quantity transfer mechanism suitable for lithium bromide absorption type air water generator Download PDFInfo
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- CN111426093B CN111426093B CN202010231296.3A CN202010231296A CN111426093B CN 111426093 B CN111426093 B CN 111426093B CN 202010231296 A CN202010231296 A CN 202010231296A CN 111426093 B CN111426093 B CN 111426093B
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/28—Methods or installations for obtaining or collecting drinking water or tap water from humid air
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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
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Mechanical Engineering (AREA)
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- Water Supply & Treatment (AREA)
- Sustainable Development (AREA)
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- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
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- Chemical & Material Sciences (AREA)
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention belongs to the technical field related to air water production, and discloses a heat pipe cold quantity transmission mechanism suitable for a lithium bromide absorption type air water production machine. The mechanism comprises an ascending section, a descending section, an evaporation section and a condensation section. The condensing section adopts an external micro-ribbed pipe or a light pipe, the evaporating section adopts a finned pipe, and the flow of working media in the heat pipe and the transmission of cold energy are realized through gravity or power circulation. The invention realizes the cold quantity transmission of the lithium bromide air water making machine through the heat pipe mechanism, ensures the low evaporation temperature of the lithium bromide absorption refrigerator by utilizing the characteristic of low heat conduction temperature difference of the heat pipe, realizes the miniaturization requirement of the lithium bromide refrigerator, and simultaneously solves the problem of refrigeration failure of the solar-driven lithium bromide refrigerator applied to the air water making field.
Description
Technical Field
The invention belongs to the technical field related to air water making, and particularly relates to a heat pipe cold quantity transmission mechanism suitable for a lithium bromide absorption type air water making machine.
Background
The ocean reef island and the field are lack of drinking water, so that the development of the air water production technology has important significance for the development of reef island resources and the life of the field. The solar-driven lithium bromide absorption type air water generator can be applied to water-deficient areas far away from continents, such as islands in the south and the like. The island area has large air water content and abundant solar energy resources, and is suitable for producing water by utilizing the solar energy resources. The absorption refrigeration can realize refrigeration cycle by utilizing low-grade solar heat, reduce the air temperature, enable the air to reach below a condensation point and separate out moisture. When the evaporator of the traditional lithium bromide absorption refrigerator directly cools air, the liquid column static pressure formed by the overhigh liquid level of liquid refrigerant water is overhigh, so that the evaporation temperature is overhigh, and the problem of failure in cold quantity transmission is further formed, and the lithium bromide absorption refrigeration system cannot be directly used for cooling air water production.
Aiming at the problem, the invention provides a cold quantity transmission mechanism based on heat pipe coupling, which realizes the transmission of the cold quantity of an absorption type refrigerating system by coupling a heat pipe and an evaporation box of the absorption type refrigerating system, so that the cold quantity can indirectly cool wet air to produce water.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides the heat pipe cold quantity transmission mechanism suitable for the lithium bromide absorption type air water making machine. When the heat pipe is a power heat pipe with pump circulation, the evaporation box of the mechanism and the fin heat exchanger for cooling air are not limited by relative installation positions.
In order to achieve the above object, according to one aspect of the present invention, there is provided a heat pipe cold energy transfer mechanism suitable for a lithium bromide absorption type air water generator, wherein the heat pipe is a self-circulation gravity type heat pipe, comprising: the heat transfer pipe is closed and forms a loop, and a connecting pipeline, and working fluid is injected into the heat transfer pipe;
the heat pipe comprises a descending section, an evaporation section, an ascending section and a condensation section which are sequentially connected into a closed loop; the condensation section is arranged in an evaporation tank of the lithium bromide absorption refrigerator, and the outer side of the condensation section is immersed in a low-temperature liquid refrigerant in the inner cavity of the evaporation tank; the gaseous working medium is evaporated by the low-temperature liquid refrigerant water to absorb heat and reduce temperature and is condensed into a liquid state when flowing through the condensation section;
the condensation section is obliquely arranged in the evaporation box along the horizontal direction, so that liquid working media formed by condensing the gaseous working media in the condensation section enter the evaporation section through the descending section under the action of gravity to be evaporated, and heat in surrounding air is absorbed; the air is cooled to below the dew point temperature at the outer side of the evaporation section, and condensed water is separated out; the liquid working medium absorbs heat and evaporates, then turns into a gas working medium again, enters the ascending section, and then returns to the condensing section from the ascending section again to form heat pipe gravity self-circulation.
Furthermore, one end of the condensation section, which is connected with the ascending section, is higher than one end of the condensation section, which is connected with the descending section, so that liquid working medium formed by condensation of the gaseous working medium in the condensation section enters the evaporation section through the descending section under the action of gravity to be evaporated, and heat in ambient humid air is absorbed.
Furthermore, the evaporation section is obliquely arranged, so that the working medium steam generated by evaporation enters the ascending section along the ascending angle.
Furthermore, the evaporation section is a finned tube, so that heat exchange with air outside the tube is facilitated, and wet air is cooled to below the dew point temperature on fins of the finned tube to separate out condensed water; the condensing section is an outer micro-ribbed pipe so as to increase the contact area with the low-temperature liquid refrigerant and strengthen heat transfer.
Furthermore, the wet air flows through the evaporation section along the gaps of the outer fins of the finned tubes and is cooled and condensed to produce water.
In order to achieve the above object, according to another aspect of the present invention, there is provided a heat pipe cold energy transfer mechanism suitable for a lithium bromide absorption type air-to-water machine, wherein the heat pipe is a pump-circulating power heat pipe, comprising: the heat transfer pipe and the connecting pipeline form a loop in a closed way, and working medium fluid is injected into the heat transfer pipe;
the heat pipe comprises a descending section, an evaporation section, an ascending section and a condensation section which are sequentially connected into a closed loop; the descending section and the ascending section are connecting pipes without specific form and space position requirements; the condensation section is arranged in the evaporation box, and the outer side of the condensation section is immersed in the low-temperature liquid refrigerant in the inner cavity of the evaporation box; the gaseous working medium is evaporated and condensed into a liquid state by the low-temperature liquid refrigerant water when flowing through the condensing section;
the descending section is provided with a circulating pump, so that liquid working medium formed by condensing the gaseous working medium in the condensing section enters the evaporating section through the descending section under the action of the circulating pump to be evaporated, and heat in ambient air is absorbed; the air is cooled to below the dew point temperature at the outer side of the evaporation section, and condensed water is separated out; and the liquid working medium absorbs heat and evaporates, then turns into a gaseous working medium again, enters the ascending section, and then returns to the condensing section from the ascending section again to complete the power cycle of the heat pipe.
Generally, compared with the prior art, the above technical solution conceived by the present invention mainly has the following technical advantages:
1. the invention adopts the heat pipe to transfer cold energy from the evaporator of the absorption refrigeration system to the humid air, cools and condenses the air into water, and solves the technical problem that the evaporator of the traditional lithium bromide absorption refrigerator can not directly cool the air.
2. The heat pipe can adopt a self-circulation separation type gravity type heat pipe, the working medium in the heat pipe is gasified and ascended by the heat of air outside the heat pipe, and the self-circulation is completed by combining gravity, so that the heat pipe does not need external energy input, does not have power equipment and runs reliably.
3. The heat pipe of the invention can also adopt a power heat pipe with a working medium pump for circulation, and the working medium is forced to circulate by the power of the pump, so that the relative installation positions of the evaporation box and the fin heat exchanger for cooling air are not limited.
4. The heat pipe has small heat transfer temperature difference, so that the cold energy of the absorption lithium bromide air water making machine is efficiently transferred, and the water making efficiency is improved.
Drawings
Fig. 1 is a self-circulation gravity type heat pipe cold energy transfer mechanism suitable for a lithium bromide absorption type air water making machine according to embodiment 1 of the present invention;
fig. 2 shows a pump circulation power type heat pipe type cooling capacity transmission mechanism suitable for a lithium bromide absorption type air-to-water machine according to embodiment 2 of the present invention.
Figure 3 is a diagram of a compact lithium bromide air to water machine system according to embodiments 1 and 2 of the present invention.
Fig. 4 shows the coupling relationship between the heat pipe and the evaporator tank of the absorption chiller in embodiments 1 and 2 of the present invention.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein:
1-solar heat collector, 2-generator, 3-solution heat exchanger, 4-stop valve, 5-one-way valve, 6-solution pump, 7-refrigerant restrictor, 8,705-evaporation tank, 9-absorber, 10-solution circulating pump, 11-solution restrictor, 12-air cooling condenser, 13-air filter, 14-sensible heat exchanger, 15-air valve, 16-filtration purification and disinfection module, 17-heat pipe, 18-air cooling cooler, 19-water pan, 701-descending section, 702-evaporation section, 703-ascending section, 704-condensation section and 706-circulating pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Embodiment 1. self-circulation gravity type heat pipe cold energy transfer mechanism suitable for lithium bromide absorption type air water making machine
Fig. 1 shows a self-circulation gravity type heat pipe cold energy transfer mechanism suitable for a lithium bromide absorption type air water making machine, which is constructed according to the invention. Figure 3 a solar powered small lithium bromide air to water machine system. Fig. 3 (7) shows the mechanism of the present invention, and fig. 3 (8) shows the evaporation tank corresponding to fig. 1 (705).
The gravity type heat pipe comprises a descending section (701), an evaporation section (702), an ascending section (703) and a condensation section (704). The condenser section (704) is located within an evaporator box (705) of the absorption refrigeration system. Fig. 4 is a more detailed coupling relationship between the self-circulating gravity heat pipe of the present invention and the evaporator tank of the lithium bromide absorption refrigerator and the air handling system. The liquid refrigerant in the evaporation tank of the absorption refrigerator evaporates to transfer the cold energy to the heat pipe working medium in the condensation section. The heat pipe working medium is absorbed at the section and cooled and condensed into liquid, and the liquid of the heat pipe working medium flows to the descending section under the action of gravity because the condensing section forms a certain included angle with the horizontal direction. The working medium liquid of the heat pipe enters the evaporation section through the descending section, the evaporation section is in a fin tube form, the side of fins outside the pipe is cooled wet air, and the cooled air flows through the evaporation section of the heat pipe along the gaps of the fins. The working medium liquid of the heat pipe in the evaporation section evaporates and absorbs heat, the air outside the pipe is gasified into a gaseous state while being cooled, and the gaseous working medium of the heat pipe enters the ascending section along the inclined pipeline under the action of buoyancy and then enters the condensation section to complete the circulation of the heat pipe. The wet air outside the heat pipe flows through the fins to absorb cold energy for cooling, and after the temperature is reduced to be below the dew point temperature, the wet air is condensed to obtain condensed water.
It should be noted that, the condensation section of the heat pipe should be completely immersed by the liquid water in the evaporation tank, and in order to ensure that the refrigerant water in the evaporation tank has a sufficiently low evaporation temperature, the pipeline arrangement of the heat pipe in the condensation section of the evaporation tank should not be too high, so as to reduce the liquid column static pressure of the liquid refrigerant in the evaporation tank and ensure that the heat released by the heat pipe is absorbed by the liquid water and evaporated.
In addition, the heat pipe working medium is preferably a common refrigerant or other high-efficiency heat pipe working media.
Embodiment 2. Pump circulation power type heat pipe cold energy transfer mechanism suitable for lithium bromide absorption type air water making machine
Fig. 2 shows a pump circulation power type heat pipe cold energy transfer mechanism suitable for a lithium bromide absorption type air water machine constructed according to the invention. Figure 3 a solar powered small lithium bromide air to water machine system. Fig. 3 shows the mechanism of the present invention at 7, and fig. 3 shows the evaporation tank at 8, corresponding to 705 in fig. 2. The kinetic heat pipe comprises a liquid pipe 701, an evaporation section 702, a gas pipe 703, a condensation section 704 and a circulating pump 706. The condenser section is located within the absorption refrigeration system evaporator tank 705. The liquid refrigerant in the evaporation tank of the absorption refrigerator evaporates to transfer the cold energy to the heat pipe working medium in the condensation section. The heat pipe working medium is absorbed at the section, cooled and condensed into liquid, the liquid enters the evaporation section under the action of a pump, the evaporation section is in a fin tube form, cooled wet air is arranged on the outer fin side of the tube, and the cooled air flows through the heat pipe evaporation section along the fin gaps. The working medium liquid of the heat pipe in the evaporation section evaporates and absorbs heat, the air outside the pipe is gasified into a gaseous state while being cooled, and the gaseous working medium of the heat pipe enters the condensation section along the gas pipeline under the action of the pushing force of the pump to complete the circulation of the heat pipe. The wet air outside the heat pipe flows through the fins to absorb cold energy for cooling, and after the temperature is reduced to be below the dew point temperature, the wet air is condensed to obtain condensed water.
It should be noted that, the condensation section of the heat pipe should be completely immersed by the liquid water in the evaporation tank, and in order to ensure that the refrigerant water in the evaporation tank has a sufficiently low evaporation temperature, the pipeline arrangement of the heat pipe in the condensation section of the evaporation tank should not be too high, so as to reduce the liquid column static pressure of the liquid refrigerant in the evaporation tank and ensure that the heat released by the heat pipe is absorbed by the liquid water and evaporated.
The specific application of the embodiment in an environmental-friendly solar air water making device is described in more detail with reference to fig. 3 and 4.
As shown in fig. 3 and 4, the heat pipe coupled environment-friendly solar air water making device comprises a solar-driven absorption refrigeration system and an air treatment system; the solar-driven absorption refrigeration system comprises a solar heat collector 1, a generator 2, a solution heat exchanger 3, an evaporation tank 8, an absorber 9, an air-cooled condenser 12, an air-cooled cooler 18, a solution pump 6 and a solution circulating pump 10; the air treatment water production system comprises system components such as an air filter 13, a sensible heat exchanger 14, a water pan 19, a filtration, purification and disinfection module 16, a heat pipe 17 and the like.
The absorption refrigeration system module and the cooling air to water system module are coupled by a heat pipe 17.
The solar heat collector 1 absorbs solar radiation, converts solar energy into heat energy, heats working medium to solution flowing into the generator 2, a low-boiling-point refrigerant in the solution is continuously evaporated, the top of the generator 2 is a gas outlet, the bottom of the generator is a solution outlet, for refrigerant circulation, evaporated high-temperature refrigerant steam enters the air-cooled condenser 12 from the outlet at the top of the generator 2, exchanges heat with ambient air under the action of a fan, is cooled to saturated or supercooled liquid, enters the evaporation tank 8 after throttling and cooling by the refrigerant throttler 7 to exchange heat with the condensation section of the heat pipe 17, absorbs heat and evaporates to form refrigerant steam, and simultaneously the working medium in the heat pipe is condensed to form low-temperature liquid, the evaporation tank 8 is communicated with the absorber 9, and the gasified refrigerant steam enters the absorber 9 and is absorbed by the absorbent solution sprayed by the top spraying device. Working medium in the generator 2 is to producing behind the vapour solution self by the concentration improvement concentrated solution, flow out by generator 2 bottom solution outlet, get into solution heat exchanger 3, carry out the heat exchange with the weak solution that pumps from the absorber, strong solution after the cooling is dropped pressure through solution flow controller 11 and is absorbed by circulating pump 10 after converging with the weak solution of absorber export, pump to 18 cooling back from the top of absorber 9 and spray, absorb the refrigerant vapour from the evaporation case, the absorber is filled with the filler and is improved the absorbing capacity, spray absorption refrigerant vapour through absorber top spray set and become weak solution, weak solution flows out through the solution exit end, pump 6 to solution heat exchanger 3 through the solution pump and is preheated by high temperature strong solution, then get into and carry out next round of circulation in the generator 2.
In the air water making module, after passing through an air filter 13, wet air enters a sensible heat exchanger 14 for pre-cooling, then enters a cooler for heat exchange with a heat pipe evaporation section 17, the wet air is cooled to below a dew point temperature, water vapor in the air is condensed to generate condensed water which is separated out, the air which is cooled, condensed and dried is sent to the sensible heat exchanger 11 for heat exchange with the filtered wet air, the pre-cooled wet air is sent to an absorption refrigeration system solution cooler 18 and an air-cooled condenser 12 under the action of a fan, and refrigerant vapor and solution in the pipe are cooled. Condensed water obtained by condensation of the wet steam is collected by the water receiving tray and becomes drinking water after passing through the filtering, purifying and disinfecting module 16.
The pump circulation power type heat pipe described above may be replaced with the self-circulation gravity type heat pipe in embodiment 1.
The invention realizes the requirement of the lithium bromide absorption refrigeration system for producing water from air through the heat pipe mechanism, and solves the technical problem that the lithium bromide absorption refrigerant evaporator can not directly cool air.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A heat pipe cold energy transfer mechanism suitable for a lithium bromide absorption type air water making machine is characterized in that the heat pipe is a self-circulation gravity type heat pipe, and comprises: the heat transfer pipe is closed and forms a loop, and a connecting pipeline, and working fluid is injected into the heat transfer pipe;
the heat pipe comprises a descending section (701), an evaporation section (702), an ascending section (703) and a condensation section (704) which are sequentially connected into a closed loop; the condensation section (704) is installed in an evaporation tank (705) of the lithium bromide absorption refrigerator, and the outer side of the condensation section (704) is immersed in a low-temperature liquid refrigerant in the inner cavity of the evaporation tank (705); when the gaseous working medium flows through the condensing section (704), the gaseous working medium is evaporated by the low-temperature liquid refrigerant water to absorb heat and be cooled and condensed into a liquid state;
the condensation section (704) is obliquely arranged in the evaporation tank (705) along the horizontal direction, so that liquid working medium formed by condensing the gaseous working medium in the condensation section (704) enters the evaporation section (702) through the descending section (701) under the action of gravity to be evaporated, and heat in ambient air is absorbed; the air is cooled to below the dew point temperature at the outer side of the evaporation section (702) to separate out condensed water; the liquid working medium absorbs heat and evaporates, then is changed into the gaseous working medium again, enters the ascending section (703), and then returns to the condensing section (704) from the ascending section (703) again to form the gravity self-circulation of the heat pipe.
2. The heat pipe cold energy transfer mechanism suitable for the lithium bromide absorption type air-to-water machine as claimed in claim 1, wherein the end of the condensation section (704) connected with the ascending section (703) is higher than the end connected with the descending section (701), so that the liquid working medium formed by condensation of the gaseous working medium in the condensation section (704) enters the evaporation section (702) through the descending section (701) under the action of gravity to evaporate, thereby absorbing the heat in the ambient humid air.
3. The heat pipe cold energy transfer mechanism suitable for the lithium bromide absorption air-to-water machine as claimed in claim 2, wherein the evaporation section (702) is installed obliquely, so that the working medium vapor generated by evaporation enters the rising section (703) along the rising angle.
4. The heat pipe cold energy transfer mechanism suitable for the lithium bromide absorption type air-to-water machine as claimed in claim 1, wherein the evaporation section (702) is a finned tube, which is beneficial to heat exchange with air outside the tube, and the wet air is cooled to below dew point temperature on the fins of the finned tube to separate out condensed water; the condensing section (704) is an outer micro-ribbed tube to increase the contact area with the low-temperature liquid refrigerant and enhance heat transfer.
5. The heat pipe cold energy transfer mechanism suitable for the lithium bromide absorption type air water generator is characterized in that wet air is arranged outside the finned tubes of the evaporation section (702), and flows through the evaporation section (702) along the gaps between the outer fins of the finned tubes to be cooled and condensed to generate water.
6. A heat pipe cold energy transfer mechanism suitable for a lithium bromide absorption type air water generator is characterized in that the heat pipe is a power type heat pipe with a pump circulation, and comprises: the heat transfer pipe and the connecting pipeline form a loop in a closed way, and working medium fluid is injected into the heat transfer pipe;
the heat pipe comprises a descending section (701), an evaporation section (702), an ascending section (703) and a condensation section (704) which are sequentially connected into a closed loop; the descending section (701) and the ascending section (703) are connecting pipes without specific form and space position requirements; the condensation section (704) is installed in the evaporation tank (705), and the outer side of the condensation section (704) is immersed in the low-temperature liquid refrigerant in the inner cavity of the evaporation tank (705); the gaseous working medium is evaporated and condensed into a liquid state by the low-temperature liquid refrigerant water when flowing through the condensation section (704);
a circulating pump (706) is arranged on the descending section (701), so that liquid working medium formed by condensing the gaseous working medium in the condensing section (704) enters the evaporating section (702) through the descending section (701) to be evaporated under the action of the circulating pump (706), and heat in the surrounding air is absorbed; the air is cooled to below the dew point temperature at the outer side of the evaporation section (702) to separate out condensed water; the liquid working medium absorbs heat and evaporates, then becomes the gaseous working medium again, enters the ascending section (703), and then returns to the condensing section (704) from the ascending section (703) again to complete the power cycle of the heat pipe.
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| CN202010231296.3A CN111426093B (en) | 2020-03-27 | 2020-03-27 | Heat pipe cold quantity transfer mechanism suitable for lithium bromide absorption type air water generator |
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| CN202010231296.3A CN111426093B (en) | 2020-03-27 | 2020-03-27 | Heat pipe cold quantity transfer mechanism suitable for lithium bromide absorption type air water generator |
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| CN111426093B true CN111426093B (en) | 2021-02-12 |
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| CN115164443A (en) * | 2022-06-02 | 2022-10-11 | 华中科技大学 | Solar-driven absorption type refrigeration coupling heat pipe heat exchange air cooling water production device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07120178A (en) * | 1993-10-28 | 1995-05-12 | Calsonic Corp | Heat siphon waste heat recovery apparatus |
| JP2004190951A (en) * | 2002-12-11 | 2004-07-08 | Hiroshima Gas Kk | Lng cold recovery method and its device |
| CN103982958A (en) * | 2014-05-04 | 2014-08-13 | 南京师范大学 | Two-stage precooling dehumidification device and method |
| CN108613575A (en) * | 2017-01-20 | 2018-10-02 | 邬志军 | A kind of heat exchange of heat pipe and cold heat energy exchange device |
| CN207231092U (en) * | 2017-06-30 | 2018-04-13 | 安徽美乐柯制冷空调设备有限公司 | A kind of multifunctional heat pump drying device |
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