CN202149547U - Air conditioning unit combining dual-rotary evaporative cooling with mechanical cooling - Google Patents

Air conditioning unit combining dual-rotary evaporative cooling with mechanical cooling Download PDF

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Publication number
CN202149547U
CN202149547U CN201120261124U CN201120261124U CN202149547U CN 202149547 U CN202149547 U CN 202149547U CN 201120261124 U CN201120261124 U CN 201120261124U CN 201120261124 U CN201120261124 U CN 201120261124U CN 202149547 U CN202149547 U CN 202149547U
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China
Prior art keywords
air
return
thermal wheel
cooling
thermal
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Withdrawn - After Issue
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CN201120261124U
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Chinese (zh)
Inventor
黄翔
罗绒
靳贵铭
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Xian Polytechnic University
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Xian Polytechnic University
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Abstract

The utility model discloses an air conditioning unit combining dual-rotary evaporative cooling with mechanical cooling, which comprises an air blowing channel and an air return channel arranged in parallel in a shell of the unit, wherein a fresh air inlet, a disk filter, a first rotary heat exchanger, a second rotary heat exchanger, a rotary filler type evaporative cooler, a surface heat exchanger, a water baffle a, an air blower and an air blowing outlet which are sequentially arranged in the air blowing channel according to entry direction of fresh air; a return air inlet b, a filter screen, a direct evaporative cooler a, a water baffle b, a second rotary heat exchanger, a direct evaporative cooler b, a water baffle c, a first rotary heat exchanger, an exhaust fan and an exhaust outlet are sequentially arranged in the air return channel according to entry direction of return air. The air conditioning unit combining dual-rotary evaporative cooling with mechanical cooling disclosed by the utility model organically combines a heat recycling device, an evaporative cooling device with a mechanical cooling device, so that one set of devices have three functions of heat recycling, evaporative cooling, and cooling dehumidifying; in addition, the air conditioning unit further employs a primary air return system, so that fresh air load is reduced and efficiency of the unit is increased greatly.

Description

The air-conditioning unit that double runner evaporative cooling and mechanical refrigeration are compound
Technical field
The utility model belongs to the air conditioner refrigerating technical field, relates to a kind of cooler that is applicable to air-conditioning system, is specifically related to the compound air-conditioning unit of a kind of double runner evaporative cooling and mechanical refrigeration.
Background technology
How in the age of energy shortage nowadays, scarcity of resources, energy-saving and environmental protection have become the theme of sustainable development, and air-conditioning is as one of main energy consumption of building, and energy savings is to press for the problem of facing from the air-conditioning.Recuperation of heat air-conditioning obvious energy-saving effect receives more and more industry scholars' concern, and characteristics that this possesses with itself and advantage are inseparable; And make the heat exchange runner at first is in order to reclaim used heat, for example from school, cafe, theater or hundreds of other type building is used, the air of scent of or anoxic, all can be used to the new wind of preheating; Dirty air is simultaneously discharged from runner, be inhaled into and by the former heating from another side through the outdoor air that filters simultaneously, otherwise this part heat will slattern.
The Evaporative Cooling Air Conditioning technology is the air-conditioning technical of a kind of energy-conserving and environment-protective and sustainable development, has obtained in NORTHWEST CHINA area especially Xinjiang region at present using widely; But as any air-conditioning technical, what the Evaporative Cooling Air Conditioning technology neither be perfect, at the bigger southern area of humidity, like Guangdong, Fujian, because its result of use is limited by wet-bulb temperature greatly, it is aeration-cooling that major part is used for factory.
In order to expand this two kinds of The Application of Technology fields, reduce the occupation of land space of equipment, and improve its operation stability of equipment and reliability; Evaporation cooling technique is organically combined with heat recovery technology, mechanical refrigeration technology; The advantage of having assembled both has tangible power savings advantages than traditional refrigeration air-conditioner unit, and then shortens refrigeration unit running time effectively; Reduce operation and maintenance cost, thereby reduce system energy consumption.
Summary of the invention
The purpose of the utility model provides a kind of double runner evaporative cooling and the compound air-conditioning unit of mechanical refrigeration, has tangible power savings advantages, and has reduced system energy consumption.
The technical scheme that the utility model adopted is; The air-conditioning unit that double runner evaporative cooling and mechanical refrigeration are compound; Comprise the air-supply passage and the return air channel that laterally arrange in the machine unit shell; First thermal wheel and second thermal wheel are arranged in air-supply passage and the return air channel; The new wind side of first thermal wheel and second thermal wheel is arranged in the air-supply passage; The return side of first thermal wheel and second thermal wheel is arranged in the return air channel; In the air-supply passage, be disposed with fresh wind port, disk filter, first thermal wheel, second thermal wheel, rotation material filling type devaporizer, surface-type heat exchanger, water fender a, pressure fan and air outlet, also be provided with return air inlet a on the machine unit shell wall between second thermal wheel and the rotation material filling type devaporizer by new wind air intake direction; In the return air channel, be disposed with return air inlet b, screen pack, direct evaporative cooler a, water fender b, second thermal wheel, direct evaporative cooler b, water fender c, first thermal wheel, exhaust blower and exhaust outlet by return air air intake direction.
The characteristics of the utility model also are,
Be provided with demarcation strip between the new wind side of first thermal wheel wherein and the return side, runner is provided with sealing strip.
Be provided with demarcation strip between the new wind side of second thermal wheel wherein and the return side, runner is provided with sealing strip.
Compare with existing Evaporative Cooling Air Conditioning unit, the combined air conditioner unit of the utility model has following characteristics:
(1) the runner heat reclamation device is applied to the air-conditioning devaporizer, to replace the plate fin type heat exchanger that is adopted at present, improves heat exchange efficiency greatly, efficient can reduce operation energy consumption up to more than 80%.
(2) heat reclamation device is organically combined with evaporation-cooled device, mechanical refrigeration device, make a covering device have recuperation of heat, evaporative cooling, three kinds of functions of cooling dehumidification, thereby reach cooling in summer, dry the recuperation of heat in winter.
(3) two-stage indirect evaporation cooling is combined with mechanical refrigeration, make on 10 ℃ of the air-conditioning temperature-reducings raising cooling effectiveness.
(4) can carry out preheating to outdoor new wind winter, make outdoor new wind-warm syndrome rise about 10 ℃, improve heat exchange efficiency.
(5), thereby make this device have the function of humidification and purification owing to set up direct evaporative cooler.
(6) be provided with water fender, transfer to the new wind side of runner to prevent that water from dripping through getting into the return side runner, thereby increase the water capacity of new wind.
Description of drawings
Fig. 1 is the structural representation of the utility model combined air conditioner unit;
Fig. 2 is the structural representation of thermal wheel in the utility model combined air conditioner unit.
Among the figure, 1. fresh wind port, 2. disk filter, 3. first thermal wheel, 4. second thermal wheel, 5. return air inlet a; 6. rotate material filling type devaporizer, 7. surface-type heat exchanger, 8. water fender a, 9. pressure fan, 10. air outlet; 11. return air inlet b, 12. screen packs, 13. direct evaporative cooler a, 14. water fender b, 15. direct evaporative cooler b; 16. water fender c, 17. exhaust blowers, 18. exhaust outlets, the new wind side of 19. thermal wheels, 20. sealing strips; 21. transmission device, 22. driving belts, 23. demarcation strips, the return side of 24. thermal wheels, 25. casings.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.
The air-conditioning unit of the utility model adopts heat reclamation device, evaporation-cooled device and the compound structure of mechanical refrigeration device, adopts thermal wheel.Structure is as shown in Figure 1; Comprise the air-supply passage and the return air channel that laterally arrange in the machine unit shell; First thermal wheel 3 and second thermal wheel 4 are arranged in air-supply passage and the return air channel; The new wind side 19 of first thermal wheel 3 and second thermal wheel 4 is arranged in the air-supply passage, and the return side 24 of first thermal wheel 3 and second thermal wheel 4 is arranged in the return air channel.Set gradually on the machine unit shell wall between fresh wind port 1, disk filter 2, first thermal wheel 3, second thermal wheel 4, rotation material filling type devaporizer 6, surface-type heat exchanger 7, water fender a8, pressure fan 9 and air outlet 10, the second thermal wheels 4 and the rotation material filling type devaporizer 6 in the air-supply passage, by new wind air intake direction return air inlet a5 is set; In the return air channel, set gradually return air inlet b11, screen pack 12, direct evaporative cooler a13, water fender b14, second thermal wheel 4, direct evaporative cooler b15, water fender c16, first thermal wheel 3, exhaust blower 17 and exhaust outlet 18 by return air air intake direction.
Runner is a kind of heat exchanger with high heat recovery efficiency; It realizes the heat transmission through the continuous rotation of inner circular filler; Has very big specific area; Big, the good integrity of heat exchange efficiency air quantity scope high, that handle, flexible arrangement, heat transfer good stability, controlled organic efficiency, air draft and the new wind of heating replace reverse flow and cross runner, have the characteristics such as effect of self-cleaning.The structure of the disclosed thermal wheel of the utility model is as shown in Figure 2; Return side 24 and casing 25 by the new wind side 19 of thermal wheel, sealing strip 20, transmission device 21, driving belt 22, demarcation strip 23, thermal wheel are formed; Between the new wind side of first thermal wheel 3 and second thermal wheel 4 and the return side demarcation strip 23 is set, sealing strip 20 is set on the runner.Fig. 2 has provided thermal wheel 3 and has adopted vertical structures arranged sketch map; Thermal wheel 3 or 4 is placed in the casing 25; Driving heat exchanger through transmission device fixing on the box body wall 21 with driving belt 22 rotates; Sealing strip 20 is set on the runner, and vertical layout, rationally distributed, structure are compact more.Thermal wheel need not centralized arrangement, and more conventional heat exchanger is more convenient, simple, operation continuously for a long time, and thermal wheel flexible arrangement.The indoor exhaust wind of temperature low (height) is during through the air draft side; Core receives cooling (heating) (waiting wet cooling), and extremely down in a flash, just contacts with air draft; The core that is cooled after (heating) just forwards the Xin Feng district to, contacts with the fresh air that gets into.So the fresh air of high temperature (low temperature) just is able to cooling (heating), is promptly carrying out carrying out pre-cooled (heating) earlier before other hot wet process, thereby satisfying cold recovery in summer, the requirement of recuperation of heat in winter.The utility model adopts thermal wheel to replace existing plate-fin heat exchanger, has the heat recovery efficiency height, and flow resistance is little, the Remarkable Energy Saving characteristics.
The utility model adopts heat reclamation device, evaporation-cooled device and the compound structure of mechanical refrigeration device, can realize air etc. clammy but, cooling dehumidification.
In the passage of the new wind side 19 of second thermal wheel, arrange return air inlet a5, rotation material filling type devaporizer 6, surface-type heat exchanger 7; Winter and summer are all adopted the primary retirn air system, have reduced new wind load; Use summer the cryometer cooler to play the effect of cooling dehumidification, use winter direct evaporative cooler to play the effect of humidification.
Adopt water fender c16 to control the problem of the water yield after adopting water fender b14, direct evaporative cooler b15 behind the direct evaporative cooler a13, prevent that water droplet from transferring to the new wind side of runner through getting into the return side runner, thereby increase the water capacity of new wind.
What the new wind filter in the utility model structure adopted is disk filter 2; When outdoor air flows through the disk wire side; Impurity is delayed on the wire side; Pressure fan utilization rotation suction nozzle is absorbed the dust of the impurity of detention on wire side in can filtered air, and the new wind side of runner is carried out the proofing dust and protecting effect, with the heat exchange efficiency that improves heat exchanger and prolong its service life; And return air filter has only adopted screen pack 12 tentatively to filter, because all be provided with direct evaporative cooler two thermal wheel back, direct evaporative cooler has not only played cooling effect, and is good wet filter.
The operation principle of the utility model air-conditioning unit is: after outdoor new wind filters dust through disk filter 2; New wind side through first thermal wheel 3; Carry out wet cooling processing such as the first order,, carry out wet cooling processing such as the second level again through the new wind side of second thermal wheel 4; Mix with the indoor return air of part then and carry out cooling dehumidification through surface-type heat exchanger 7 and handle, after the air of pressure fan 9 after will handling sent into indoor.Indoor return air reduces the temperature of return air through screen pack 12, when direct evaporative cooler a13 filters dust; After the return side caloic exchange through second thermal wheel 4; Pass through direct evaporative cooler b15 again; The return air temperature that reduce to heat up, after the return side caloic exchange through first thermal wheel 3, the air that finally will absorb heat by exhaust blower 17 drains into outdoor.The new wind side of thermal wheel and the return side of thermal wheel are during in the winter time with summer operation, and effect is opposite, thereby outdoor new wind is carried out The pre-heat treatment, reaches the purpose of recuperation of heat.

Claims (3)

1. the compound air-conditioning unit of double runner evaporative cooling and mechanical refrigeration; It is characterized in that; Comprise the air-supply passage and the return air channel that laterally arrange in the machine unit shell; First thermal wheel (3) and second thermal wheel (4) are arranged in air-supply passage and the return air channel; The new wind side (19) of first thermal wheel (3) and second thermal wheel (4) is arranged in the air-supply passage; The return side (24) of first thermal wheel (3) and second thermal wheel (4) is arranged in the return air channel; In the said air-supply passage, be disposed with fresh wind port (1), disk filter (2), first thermal wheel (3), second thermal wheel (4), rotation material filling type devaporizer (6), surface-type heat exchanger (7), water fender a (8), pressure fan (9) and air outlet (10) by new wind air intake direction, said second thermal wheel (4) and rotate on the machine unit shell wall between the material filling type devaporizer (6) and also be provided with return air inlet a (5); In the said return air channel, be disposed with return air inlet b (11), screen pack (12), direct evaporative cooler a (13), water fender b (14), second thermal wheel (4), direct evaporative cooler b (15), water fender c (16), first thermal wheel (3), exhaust blower (17) and exhaust outlet (18) by return air air intake direction.
2. according to the described air-conditioning unit of claim 1, it is characterized in that be provided with demarcation strip (23) between the new wind side of said first thermal wheel (3) and the return side, runner is provided with sealing strip (20).
3. according to claim 1 or 2 described air-conditioning units, it is characterized in that be provided with demarcation strip (23) between the new wind side of said second thermal wheel (4) and the return side, runner is provided with sealing strip (20).
CN201120261124U 2011-07-22 2011-07-22 Air conditioning unit combining dual-rotary evaporative cooling with mechanical cooling Withdrawn - After Issue CN202149547U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120261124U CN202149547U (en) 2011-07-22 2011-07-22 Air conditioning unit combining dual-rotary evaporative cooling with mechanical cooling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120261124U CN202149547U (en) 2011-07-22 2011-07-22 Air conditioning unit combining dual-rotary evaporative cooling with mechanical cooling

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287885A (en) * 2011-07-22 2011-12-21 西安工程大学 Double-rotating-wheel type evaporative-cooling and mechanical-refrigerating composite air-conditioner set with automatic dust-absorbing function
CN105003986A (en) * 2015-08-04 2015-10-28 吕智 Solar energy and desiccant wheel combined type indirect evaporative cooling heat recovery fresh air processor
CN105864936A (en) * 2016-04-28 2016-08-17 于向阳 Dry type indirect evaporation refrigeration method and device
CN105864935A (en) * 2016-04-28 2016-08-17 于向阳 Air conditioner device based on dry type indirect evaporation refrigeration
RU2658265C2 (en) * 2016-08-23 2018-06-19 Федеральное государственное бюджетное образовательное учреждение высшего образования "Оренбургский государственный аграрный университет" Heat recuperator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287885A (en) * 2011-07-22 2011-12-21 西安工程大学 Double-rotating-wheel type evaporative-cooling and mechanical-refrigerating composite air-conditioner set with automatic dust-absorbing function
CN105003986A (en) * 2015-08-04 2015-10-28 吕智 Solar energy and desiccant wheel combined type indirect evaporative cooling heat recovery fresh air processor
CN105003986B (en) * 2015-08-04 2019-01-25 吕智 Solar energy and desiccant wheel combined type indirect evaporating-cooling heat recovery fresh air processor
CN105864936A (en) * 2016-04-28 2016-08-17 于向阳 Dry type indirect evaporation refrigeration method and device
CN105864935A (en) * 2016-04-28 2016-08-17 于向阳 Air conditioner device based on dry type indirect evaporation refrigeration
CN105864935B (en) * 2016-04-28 2019-07-09 于向阳 Air-conditioning device based on dry type indirect evaporation refrigerating
CN105864936B (en) * 2016-04-28 2019-07-09 于向阳 The method and device of dry type indirect evaporation refrigerating
RU2658265C2 (en) * 2016-08-23 2018-06-19 Федеральное государственное бюджетное образовательное учреждение высшего образования "Оренбургский государственный аграрный университет" Heat recuperator

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Granted publication date: 20120222

Effective date of abandoning: 20131106