CN107166584B - Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system with cobble bed accumulation of heat - Google Patents

Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system with cobble bed accumulation of heat Download PDF

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Publication number
CN107166584B
CN107166584B CN201710352637.0A CN201710352637A CN107166584B CN 107166584 B CN107166584 B CN 107166584B CN 201710352637 A CN201710352637 A CN 201710352637A CN 107166584 B CN107166584 B CN 107166584B
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China
Prior art keywords
air
heat
recuperation
cooling
unit
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CN201710352637.0A
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Chinese (zh)
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CN107166584A (en
Inventor
黄翔
雷梦娜
武以闯
黄凯新
申永波
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Xian Polytechnic University
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Xian Polytechnic University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272Solar heating or cooling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

Abstract

Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system disclosed by the invention with cobble bed accumulation of heat, includes recuperation of heat-evaporation cooling combined air conditioner unit and the cobble bed thermal storage unit for being set to Indoor environment subsurface;Recuperation of heat-evaporation cooling combined air conditioner unit is connected to by air supply tube with Indoor environment, and recuperation of heat-evaporation cooling combined air conditioner unit also passes sequentially through backwind tube, buried air duct is connected with the return air outlet being set on Indoor environment ground;Air supply tube is connect by being connected to air hose with cobble bed thermal storage unit, and connection air hose and cobble bed thermal storage unit junction are provided with solar energy air heat collector, and cobble bed thermal storage unit is connected to the floor air supply register being set on Indoor environment ground.Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the invention can realize the reasonable adjusting to Indoor environment temperature under low energy consumption.

Description

Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system with cobble bed accumulation of heat
Technical field
The invention belongs to air-conditioning system technical fields, and in particular between a kind of Winter-summer dual purpose recuperation of heat with cobble bed accumulation of heat Connect Evaporative Cooling Air-conditioning System.
Background technique
It is shown according to related data, China's building energy consumption more than 500,000,000 tons mark coals, wherein heating and air conditioning energy consumption, which account for about, to be built The 50% of energy consumption is built, and the ratio of fresh air energy consumption duty tune total energy consumption has been over 30%, house air-conditioning and refrigeration are The electricity of system consumption accounts for about the 15% of whole world total power generation.With steeply rising for urban population, what each department were largely built up Large public building and the power saving of residential housing are especially prominent, and the problems such as energy crisis, climate warming and tropical island effect Also occur in succession, become the problem of people have to think better of and face, how to carry out the energy conservation of Heating,Ventilating and Air Conditioning is also each phase The vital task of industry is closed, focus concerned by people is even more become.
In existing Heating,Ventilating and Air Conditioning technology, generally make by the way of directly handling outdoor fresh air, but in long-term The unnecessary wasting of resources is easily caused in.The drying in fact, the air summer in air-conditioned room feels nice and cool, winter are warm wet Profit has very big utility value, and directly being drained into outdoor will cause the waste of energy, if it is " free effectively to recycle this Energy " is used, and just can solve existing Heating,Ventilating and Air Conditioning in conjunction with other ancillary techniques there are energy consumptions and is high, not energy-efficient Problem.
Summary of the invention
The purpose of the present invention is to provide a kind of Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning with cobble bed accumulation of heat System can realize the reasonable adjusting to Indoor environment temperature under low energy consumption.
The technical scheme adopted by the invention is that the Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning with cobble bed accumulation of heat System includes recuperation of heat-evaporation cooling combined air conditioner unit and the cobble bed accumulation of heat list for being set to Indoor environment subsurface Member;Recuperation of heat-evaporation cooling combined air conditioner unit is connected to by air supply tube with Indoor environment, and recuperation of heat-evaporation is cooling combined Air-conditioner set also passes sequentially through backwind tube, buried air duct is connected with the return air outlet being set on Indoor environment ground;Air-supply Pipe is connect by being connected to air hose with cobble bed thermal storage unit, and is provided with too in connection air hose and cobble bed thermal storage unit junction Positive energy air collector, cobble bed thermal storage unit are connected to the floor air supply register being set on Indoor environment ground.
The features of the present invention also characterized in that:
Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the present invention with cobble bed accumulation of heat further includes being set to The check-valves a being connected in the air hose and check-valves b being set in air supply tube.
Recuperation of heat-evaporation cooling combined air conditioner unit includes machine unit shell, and being formed in machine unit shell is in be distributed up and down Upper air duct and lower air duct;The structure of upper air duct are as follows: machine unit shell is respectively arranged with fresh wind port, air outlet on opposite two sidewalls, Filter a, plate-fin heat exchanger, direct evaporative cooler are disposed with by fresh air inlet port flow direction and is sent in upper air duct Blower, forms net distinguished and admirable road between filter a and plate-fin heat exchanger, plate-fin heat exchanger has been sequentially arranged above high pressure spray Unit a and blower are drenched, is provided with exhaust outlet on corresponding machine unit shell side wall above net distinguished and admirable road;The structure of lower air duct are as follows: packet Return air inlet is included, and return air inlet and air outlet are located on same side wall, has entered rear flow direction successively by return air in lower air duct Be provided with filter b, header tank, and header tank is located at the underface of plate-fin heat exchanger, header tank and plate-fin heat exchanger it Between form return air channel, header tank is connect by water supplying pipe with high-pressure spraying unit a, and water pump b is provided on water supplying pipe.
Filter a and filter b is bag filter.
Blower uses axial flow blower.
Air diffuser is provided in exhaust outlet;Air-supply adjustable valve is provided in air outlet.
High-pressure spraying unit a is by high pressure spray shower pipe and multiple is uniformly arranged on high pressure spray shower pipe and towards plate-fin heat exchanger The high-pressure fine-spray nozzle of spray is constituted.
Direct evaporative cooler includes direct evaporating-cooling filler, is provided with height above direct evaporating-cooling filler Spray unit b is pressed, water storage box is provided with below direct evaporating-cooling filler, high-pressure spraying unit b passes through water pipe and water storage Case connects, and is provided with water pump a on water pipe.
High-pressure spraying unit b by high service pipe and it is multiple be uniformly arranged on high service pipe and towards directly evaporating it is cold But the high-pressure fine-spray nozzle of filler spray is constituted.
Cobble bed thermal storage unit includes concrete box, and ventilation opening, ventilation opening and ground are provided on the roof of concrete box The connection of plate air outlet;Piling up in concrete box has cobble bed, forms air duct, air duct and company between cobble bed and concrete box top Ventilation duct connection.
The beneficial effects of the present invention are:
(1) passive type is built and evaporates cooling by Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the invention Technology combines, and using cobble cheap and easy to get as heat-storing material, can largely save winter heating energy consumption;With biography The coal of system, water heating type flooring radiation are compared, will not generation environment pollution, without worry water pipe leakage the problems such as, more It is convenient and healthy.
(2) plate-fin heat exchanger is used in Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the invention, sufficiently Warm, summer nice and cool dry feature is moistened using Indoor environment return air winter, recycles the cooling capacity in Indoor environment return air Or heat, it avoids Indoor environment return air being directly discharged to outdoor causing energy dissipation.
(3) plate-fin heat exchanger is used in Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the invention, by height Water is sprayed onto the return air channel below plate-fin heat exchanger by pressure spray unit, makes the lower Indoor environment return air of script temperature Temperature is further reduced when flowing through return air channel, can increase the difference of the outer temperature of Indoor environment in this way, is improved plate-fin and is changed Working efficiency of the hot device in summer.
(4) Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the invention, by heat recovery technology and indirect evaporation Cooling technology combines, and cools work in summer as evaporation, and when winter works as typical recuperation of heat, avoids original The use time range of Evaporative Cooling Air Conditioning can only be expanded the drawbacks of using summer by carrying out simple Evaporative Cooling Air Conditioning.
(5) solar air heat collection is equipped in Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the invention Device can absorb solar energy and be translated into thermal energy, be used for heat supply in winter;The use of solar air heat collection can be reduced coal and disappear Consumption can be reduced the discharge amount of the pernicious gases such as carbon dioxide, sulfur dioxide and particulate matter while saving the energy.
Detailed description of the invention
Fig. 1 is the perspective view of Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the present invention;
Fig. 2 is the operation principle schematic diagram of Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the present invention;
Fig. 3 is the structural representation of plate-fin heat exchanger in Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the present invention Figure.
In figure, 1. filter a, 2. exhaust outlets, 3. axial flow blowers, 4. high-pressure spraying unit a, 5. plate-fin heat exchangers, 6. High-pressure spraying unit b, 7. direct evaporating-cooling fillers, 8. pressure fan, 9. air-supply adjustable valves, 10. check-valves a, 11. check-valves B, 12. cobble beds, 13. solar energy air heat collectors, 14. filter b, 15. water pump a, 16. header tanks, 17. water pump b, 18. times Air hose, 19. connection air hoses, 20. air supply tubes, 21. fresh wind ports, 22. return air inlets, 23. water storage boxes, 24. water supplying pipes, 25. water storages Pipe, 26. air outlets, 27. return air channels, 28. floor air supply registers, the outlet of 29. return air, 30. buried air ducts, 31. air ducts.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the present invention with cobble bed accumulation of heat, such as Fig. 1 and Fig. 2 institute Show, includes recuperation of heat-evaporation cooling combined air conditioner unit and the cobble bed thermal storage unit for being set to Indoor environment subsurface; Recuperation of heat-evaporation cooling combined air conditioner unit is connected to by air supply tube 20 with Indoor environment, the cooling combined sky of recuperation of heat-evaporation Tune unit also passes sequentially through backwind tube 18, buried air duct 30 is connect with the return air outlet 29 being set on Indoor environment ground; Air supply tube 20 is connect by being connected to air hose 19 with cobble bed thermal storage unit, and is connect in connection air hose 19 with cobble bed thermal storage unit Place is provided with solar energy air heat collector 13, cobble bed thermal storage unit and the floor air supply register being set on Indoor environment ground 28 connections;It further include having the check-valves a10 being set in connection air hose 19 and the check-valves b11 being set in air supply tube 20.
Recuperation of heat-evaporation cooling combined air conditioner unit, as shown in Figure 1, including machine unit shell, interior formed of machine unit shell is in The upper air duct and lower air duct being distributed up and down;The structure of upper air duct are as follows: machine unit shell is respectively arranged with fresh air on opposite two sidewalls Mouthful 21, air outlet 26 are disposed with filter a1, plate-fin heat exchanger 5, straight by fresh air inlet port flow direction in upper air duct Devaporizer and pressure fan 8 are connect, forms net distinguished and admirable road between filter a1 and plate-fin heat exchanger 5, plate-fin heat exchanger 5 It is sequentially arranged above high-pressure spraying unit a4 and blower 3, the row of being provided on corresponding machine unit shell side wall above net distinguished and admirable road Air port 2;The structure of lower air duct are as follows: it include return air inlet 22, and return air inlet 22 and air outlet 26 are located on same side wall, leeward Enter rear flow direction by return air in road and be disposed with filter b14, header tank 16, and header tank 16 is located at plate fin heat-exchanging The underface of device 5, between header tank 16 and plate-fin heat exchanger 5 formed return air channel 27, header tank 16 by water supplying pipe 24 with The a4 connection of high-pressure spraying unit, water pump b17 is provided on water supplying pipe 24, and water pump b17 is located in header tank 16 for immersible pump;It catchments Case 16 is also connected with drainpipe.
Filter a1 and filter b14 is bag filter.
Blower 3 uses axial flow blower.
Air diffuser is provided in exhaust outlet 2;Air-supply adjustable valve 9 is provided in air outlet 26.
High-pressure spraying unit a4 is by high pressure spray shower pipe and multiple is uniformly arranged on high pressure spray shower pipe and towards plate fin heat-exchanging The high-pressure fine-spray nozzle that device 5 sprays is constituted.
Plate-fin heat exchanger 5 includes multiple vertical placements, heat exchanger plates arranged in parallel, as shown in figure 3, adjacent two It is respectively formed fresh air runner, return air runner between a heat exchanger plates, fresh air is intersected with return air when work flows through, fresh air runner side vertically To closing, fresh air enters in the horizontal direction, and the closing of return air runner horizontal direction, return air is along the vertical direction from lower from upper entrance.
Direct evaporative cooler, as shown in Figure 1, include direct evaporating-cooling filler 7, direct evaporating-cooling filler 7 Top is provided with high-pressure spraying unit b6, and the lower section of direct evaporating-cooling filler 7 is provided with water storage box 23, high-pressure spraying unit b6 It is connect by water pipe 25 with water storage box 23, water pump a15 is provided on water pipe 25, it is latent that water pump a15, which is located in water storage box 23, Water pump;Water storage box 23 is also connected with drainpipe.
High-pressure spraying unit b6 is by high service pipe and multiple is uniformly arranged on high service pipe and towards direct evaporation The high-pressure fine-spray nozzle that cooling filler 7 sprays is constituted.
Cobble bed thermal storage unit is provided with ventilation opening on the roof of concrete box as shown in Figure 1, including concrete box, Ventilation opening is connected to floor air supply register 28;Piling up in concrete box has cobble bed 12, between cobble bed 12 and concrete box top Air duct is formed, which is connected to air hose 19 is connected to.
Cobble bed 12 is preferably arranged at the heat energy for guaranteeing storage apart from the depths Indoor environment subsurface 40cm~50cm Good application;Cobble bed 12 is closely piled up by several cobbles, and wherein the average diameter of cobble is 1cm~10cm, is convenient for It closely piles up, thus better accumulation of heat.
The course of work of Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the present invention with cobble bed accumulation of heat is specific It is as follows:
1. the course of work of whole system is as follows:
(1) in summer operation, opens check valve b11 closes check-valves a10, using above sending formula next time, specific works mistake Journey are as follows:
Indoor environment return air is sent into buried air ducts 30 through return air outlet 29, then by buried air duct 30 through backwind tube 18, return Wind entrance 22 is sent into recuperation of heat-evaporation cooling combined air conditioner unit, by filter b14 (bag filter) to Indoor environment Return air carries out purified treatment, forms clean return air;Clean return air enters the return air channel 27 of 5 lower section of plate-fin heat exchanger Interior, high-pressure spraying unit a4 can spray water into return air channel 27 and form moisture film in return air channel 27, and clean return air is in return air With moisture film hot and humid area occurs for flowing from bottom to top in channel 27, makes the lower Indoor environment return air temperature of script temperature into one Step is lowered, and forms low temperature return air;
Simultaneously with the above process, outdoor fresh air enters in recuperation of heat-evaporation cooling combined air conditioner unit through air inlet 21, by Filter a1 (bag filter) carries out purified treatment to outdoor fresh air, obtains clean fresh air;Clean fresh air enters plate wing In fresh air runner in formula heat exchanger 5, and low temperature after cooling is transferred heat to by the heat exchanger plates in plate-fin heat exchanger 5 Clean fresh air is pre-chilled in return air using low temperature return air, form low temperature fresh air;Low temperature fresh air flows into direct evaporative cooler, Direct evaporating-cooling is carried out at wet direct evaporating-cooling filler 7, further decreases temperature, and formation meets air-supply condition Cold wind;The cold wind for meeting air-supply condition is sent out under the action of pressure fan 8 through air outlet 26, then is sent into and is built through air supply tube 20 In object room.
(2) when working in winter, opens check valve a10 closes check-valves b11, formula next time, specific works mistake is sent under Journey are as follows:
The higher return air of Indoor environment temperature is sent into buried air duct 30 through return air outlet 29, then is passed through back by buried air duct 30 Air hose 18, return air inlet 22 are sent into recuperation of heat-evaporation cooling combined air conditioner unit, right by filter b14 (bag filter) Indoor environment return air carries out purified treatment, forms clean return air;Clean return air enters returning for 5 lower section of plate-fin heat exchanger In wind channel 27, does not supply water, i.e., do not sprayed water into return air channel 27 to high-pressure spraying unit a4 at this time;
Simultaneously with the above process, outdoor fresh air enters in recuperation of heat-evaporation cooling combined air conditioner unit through air inlet 21, by Filter a1 (bag filter) carries out purified treatment to outdoor fresh air, obtains clean fresh air;Clean fresh air enters plate wing In fresh air runner in formula heat exchanger 5, the higher return air of temperature is transferred heat to by the heat exchanger plates in plate-fin heat exchanger 5 Clean fresh air, preheats fresh air in fresh air channel;Fresh air flows into direct evaporative cooler after preheating, by dry It is sent out under the action of pressure fan 8 through air outlet 26 after direct evaporating-cooling filler 7, then successively through air supply tube 20, connection air hose 19 enter in cobble bed thermal storage unit;Solar energy air heat collector 13, which absorbs solar thermal energy, can be pre-stored in cobble bed 12, Cobble bed 12 can be used for heating the air after the preheating being sent into through connection air hose 19, further increase the temperature of fresh air, Form warm wind;Warm wind is sent into Indoor environment through floor air supply register 28.
2. the course of work of water system is specific as follows:
(1) in summer operation:
Periodically clean water is sent into header tank 16, then water is sent into height through water supplying pipe 24 under the action of water pump b17 It presses in spray unit a4, water is sprayed to the return air channel to 5 lower section of plate-fin heat exchanger from top to bottom by high-pressure spraying unit a4 In 27, the return air of Indoor environment carries out hot and humid area in return air channel 27, and extra water flow returns to middle continuation in header tank 16 Circulation;
In direct evaporative cooler, high-pressure spraying unit b6 fills out the water spray in water storage box 23 in direct evaporating-cooling On material 7, direct evaporating-cooling filler 7 is soaked, the outdoor fresh air and wet direct evaporating-cooling filler 7 after pre-cooling carry out directly Evaporation cooling, temperature continue to be admitted to Indoor environment after reducing, and extra water flow returns to water storage on direct evaporating-cooling filler 7 It is continued cycling through in case 23.
(2) when working in winter:
Stop supplying water into high-pressure spraying unit a4 and high-pressure spraying unit b6, makes return air channel 27 and direct evaporating-cooling Filler 7 keeps drying, and the water in header tank 16 and water storage box 23 is discharged.
Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system of the present invention with cobble bed accumulation of heat, can be real under low energy consumption Now to the reasonable adjusting of Indoor environment temperature.

Claims (8)

1. the Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system with cobble bed accumulation of heat, which is characterized in that include that heat is returned Receipts-evaporation cooling combined air conditioner unit and the cobble bed thermal storage unit for being set to Indoor environment subsurface;
The recuperation of heat-evaporation cooling combined air conditioner unit is connected to by air supply tube (20) with Indoor environment, the recuperation of heat- Evaporation cooling combined air conditioner unit also passes sequentially through backwind tube (18), buried air duct (30) and is set on Indoor environment ground Return air outlet (29) connection;The air supply tube (20) is connect by being connected to air hose (19) with cobble bed thermal storage unit, and in institute It states connection air hose (19) and cobble bed thermal storage unit junction is provided with solar energy air heat collector (13);The cobble bed accumulation of heat Unit is connected to the floor air supply register (28) being set on Indoor environment ground;
It further include having the check-valves a (10) being set in connection air hose (19) and the check-valves b being set in air supply tube (20) (11);
The recuperation of heat-evaporation cooling combined air conditioner unit, includes machine unit shell, is formed in the machine unit shell in upper and lower point The upper air duct and lower air duct of cloth;
The structure of the upper air duct are as follows: fresh wind port (21), air outlet (26) are respectively arranged on the opposite two sidewalls of machine unit shell, Filter a (1), plate-fin heat exchanger (5), directly evaporation are disposed with by fresh air inlet port flow direction in the upper air duct Cooler and pressure fan (8) form net distinguished and admirable road, the plate-fin between the filter a (1) and plate-fin heat exchanger (5) Heat exchanger (5) has been sequentially arranged above high-pressure spraying unit a (4) and blower (3), corresponding unit above the net distinguished and admirable road Exhaust outlet (2) are provided in housing sidewall;
The structure of the lower air duct are as follows: include return air inlet (22), and the return air inlet (22) is located at air outlet (26) On same side wall, enters rear flow direction by return air in the lower air duct and is disposed with filter b (14), header tank (16), And the header tank (16) is located at the underface of plate-fin heat exchanger (5), the header tank (16) and plate-fin heat exchanger (5) it Between form return air channel (27), the header tank (16) is connect by water supplying pipe (24) with high-pressure spraying unit a (4), the confession Water pump b (17) are provided on water pipe (24);
When summer operation, opens check valve b (11), close check-valves a (10), indoor return air successively pass through return air outlet (29), Buried air duct (30), backwind tube (18) enter recuperation of heat-evaporation cooling combined air conditioner unit through return air inlet (22);It is outdoor new Wind enters recuperation of heat-evaporation cooling combined air conditioner unit through air inlet (21), under the action of pressure fan (8), through air outlet (26) and air supply tube (20) is sent into Indoor environment;
Winter work when, opens check valve a (10), close check-valves b (11), indoor return air successively pass through return air outlet (29), Buried air duct (30), backwind tube (18) enter recuperation of heat-evaporation cooling combined air conditioner unit through return air inlet (22);It is outdoor new Wind enters recuperation of heat-evaporation cooling combined air conditioner unit through air inlet (21), through air outlet (26) under the action of pressure fan (8) After submitting, successively enter cobble bed thermal storage unit through air supply tube (20), connection air hose (19), the cobble in cobble bed thermal storage unit Bed (12) heats the air after preheating, forms warm wind, is most sent into Indoor environment through floor air supply register (28) afterwards.
2. Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system according to claim 1, which is characterized in that the mistake Filter a (1) and filter b (14) is bag filter.
3. Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system according to claim 1, which is characterized in that the wind Machine (3) uses axial flow blower.
4. Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system according to claim 1, which is characterized in that the row Air diffuser is provided in air port (2);
Air-supply adjustable valve (9) is provided in the air outlet (26).
5. Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system according to claim 1, which is characterized in that the height Pressure spray unit a (4) by high pressure spray shower pipe and it is multiple be uniformly arranged on high pressure spray shower pipe and towards plate-fin heat exchanger (5) spray High-pressure fine-spray nozzle constitute.
6. Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system according to claim 1, which is characterized in that described straight Devaporizer is connect, includes direct evaporating-cooling filler (7), is provided with height above the direct evaporating-cooling filler (7) It presses spray unit b (6), is provided with water storage box (23) below the direct evaporating-cooling filler (7), the high-pressure spraying unit B (6) is connect by water pipe (25) with water storage box (23), is provided with water pump a (15) on the water pipe (25).
7. Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system according to claim 6, which is characterized in that the height Pressure spray unit b (6) is by high service pipe and multiple is uniformly arranged on high service pipe and towards direct evaporating-cooling filler (7) high-pressure fine-spray nozzle sprayed is constituted.
8. Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system according to claim 1, which is characterized in that the ovum Stone bed thermal storage unit, includes concrete box, and ventilation opening, the ventilation opening and floor are provided on the roof of the concrete box Air outlet (28) connection;Piling up in the concrete box has cobble bed (12), the cobble bed (12) and concrete box top Between formed air duct (31), the air duct (31) be connected to air hose (19) be connected to.
CN201710352637.0A 2017-05-18 2017-05-18 Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system with cobble bed accumulation of heat Expired - Fee Related CN107166584B (en)

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CN109189131A (en) * 2018-10-25 2019-01-11 浙江大学 The temperature and humidity control system of Gas Refrigerator and diffusion absorption cooling couple
CN109062302A (en) * 2018-10-25 2018-12-21 浙江大学 Temperature and humidity control system based on Gas Refrigerator
CN109343620A (en) * 2018-10-25 2019-02-15 浙江大学 Temperature and humidity control system with condensation water intaking function

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CN101788161A (en) * 2010-03-23 2010-07-28 上海交通大学 Building heat supplying and heating system based on solar air heat collector
CN103344002A (en) * 2013-06-28 2013-10-09 宁夏祥河生态环境工程研究院有限公司 Solar warm-and-cool kang
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