CN102175476B - Fresh air heat recovery experimental system - Google Patents
Fresh air heat recovery experimental system Download PDFInfo
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- CN102175476B CN102175476B CN 201110063808 CN201110063808A CN102175476B CN 102175476 B CN102175476 B CN 102175476B CN 201110063808 CN201110063808 CN 201110063808 CN 201110063808 A CN201110063808 A CN 201110063808A CN 102175476 B CN102175476 B CN 102175476B
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- air
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- heat exchanger
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- 238000011084 recovery Methods 0.000 title abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 238000002474 experimental method Methods 0.000 claims description 11
- 238000004108 freeze drying Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 6
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to a fresh air heat recovery experimental system which comprises an indoor humiture control module, an outdoor humiture control module, an evaporative cooling experimental module and a cold water unit module, wherein an air inlet of a direct evaporative cooler A in the evaporative cooling experimental module is connected to the indoor humiture control module; an air outlet is connected to an air inlet of an air exhaust channel of an air-air heat exchanger C; the air inlet of a fresh air channel of the air-air heat exchanger C is connected to the outdoor humiture control module; and an air outlet of the fresh air channel of the air-air heat exchanger C is connected to the air inlet of an air-water heat exchanger B. By using the system, the weather parameters in each city can be simulated and the indoor running state and parameters of the evaporative cooling system in each area can be measured. The system provided by the invention is an experimental reference for designing a device for efficiently utilizing the indoor air exhaust energy and achieving a better air conditioning energy-saving effect.
Description
Technical field
The present invention relates to a kind of Refrigeration ﹠ Air-Conditioning experimental provision, especially a kind ofly utilize transpiration-cooled new wind-heat to reclaim experimental system.
Background technology
In the air conditioner load of buildings, new wind load generally accounts for 20%～30% of total load.Utilize the energy in the heat exchanger recovery air draft, reducing new wind load is an effective measure of air conditioner system energy saving, can effectively reclaim about 70% air draft energy, and this is equivalent to save 10%～20% air conditioner load.If can design the device that utilizes the indoor exhaust wind energy efficiently, will obtain better air conditioner energy saving effect.
Evaporation cooling technique with water as cold-producing medium, pollution-free to atmospheric environment.Evaporative cooling utilizes evaporation of water to obtain cold, the carrying out of keeping the evaporative cooling process by direct supplementing water.Evaporative cooling needn't be adopted mechanical refrigeration equipment, does not need to consume work done during compression, can save more energy.
The evaporative cooling performance is subjected to the restriction of outdoor air parameter, and under the parameter situation, the evaporative cooling performance has a great difference outside the air conditioning chamber of different regions.How to obtain the performance of evaporative cooling under a certain meteorologic parameter and be the major tasks in the evaporation cooling technique research.
Summary of the invention
The present invention will provide a kind of new wind-heat to reclaim experimental system, and this experimental system can obtain evaporative cooling performance parameter under the parameter situation outside the air conditioning chamber of different regions.
For achieving the above object, technical scheme of the present invention is: a kind of new wind-heat reclaims experimental system, comprise indoor Temperature and Humidity Control module, outside Temperature and Humidity Control module, evaporative cooling experiment module, handpiece Water Chilling Units module, indoor Temperature and Humidity Control module is made of air draft blower fan F, freeze drying surface cooler J, electric heater K and electric moistening device L; Outside Temperature and Humidity Control module is made of new wind blower fan E, freeze drying surface cooler M, electric heater N and electric moistening device O; The evaporative cooling experiment module is made of direct evaporative cooler A, air-water-to-water heat exchanger B, air-to-air heat exchanger C, reserve tank D, spray water circulating pump G and air-water heat exchange water circulating pump H; The handpiece Water Chilling Units module is made of handpiece Water Chilling Units Q, freezing water tank P and chilled water pump I; Be characterized in:
Direct evaporative cooler A air inlet in the evaporative cooling experiment module links to each other with indoor Temperature and Humidity Control module, and air outlet links to each other with the air exhaust passage air inlet of air-to-air heat exchanger C; The new wind passage air inlet of air-to-air heat exchanger C links to each other with outside Temperature and Humidity Control module, and the new wind passage air outlet of air-to-air heat exchanger C links to each other with the air inlet of air-water-to-water heat exchanger B.
Reserve tank D and direct evaporative cooler A connect and compose the shower water circulation by spray water circulating pump G; Reserve tank D and air-water-to-water heat exchanger B connects and composes the circulation of heat exchange water by air-water heat exchange water circulating pump H; Handpiece Water Chilling Units Q connects freeze drying surface cooler J, M by chilled water pump I and supplies chilled water, constitutes the chilled water circulation.
Indoor Temperature and Humidity Control module and outside Temperature and Humidity Control inside modules are provided with surface cooler, and electric heater and electric moistening device are used for the humiture in the airduct is regulated and control.
The invention has the beneficial effects as follows: the present invention can simulate the meteorologic parameter in each city, can record evaporative cooling system in indoor operation conditions and the parameter in each area.For designing the device that utilizes the indoor exhaust wind energy efficiently, obtain better air conditioner energy saving effect laboratory reference is provided.
Description of drawings
Fig. 1 is system architecture synoptic diagram of the present invention.
Concrete working method
The invention will be further described with embodiment below in conjunction with figure:
As shown in Figure 1, new wind-heat of the present invention reclaims experimental system, comprises indoor Temperature and Humidity Control module 1, outside Temperature and Humidity Control module 2, evaporative cooling experiment module 3, handpiece Water Chilling Units module 4.
Indoor Temperature and Humidity Control module 1 comprises air draft blower fan F, surface cooler J, electric heater K, electric moistening device L.Air is under the driving effect of air draft blower fan F, at first enter freeze drying surface cooler J cooling and dehumidifying, enter among the electric heater K and heat, air themperature raises, water capacity is constant, enter then among the electric moistening device L, air is adjusted to air draft parameter that experiment need by adjusting chilled-water flow, electric heater capacity, electric moistening device humidification amount with aerial temperature and humidity by isothermal humidification.
Outside Temperature and Humidity Control module 2 comprises new wind blower fan E, freeze drying surface cooler M, electric heater N, electric moistening device O.Air is under the driving effect of new wind blower fan E, at first enter cooling and dehumidifying among the freeze drying surface cooler M, enter among the electric heater N and heat, air themperature raises, water capacity is constant, enter then among the humidifier O, air is adjusted to new wind parameter that experiment need by adjusting chilled-water flow, electric heater capacity, electric moistening device humidification amount with aerial temperature and humidity by isothermal humidification.
Evaporative cooling experiment module 3 comprises direct evaporative cooler A, air-water-to-water heat exchanger B, air-to-air heat exchanger C, reserve tank D, spray water circulating pump G, air-water heat exchange water circulating pump H.Reserve tank D and direct evaporative cooler A connect and compose the shower water circulation by spray water circulating pump G.Reserve tank D and air-water-to-water heat exchanger B connects and composes the circulation of heat exchange water by air-water heat exchange water circulating pump H.
Direct evaporative cooler A air inlet in the evaporative cooling experiment module 3 links to each other with indoor Temperature and Humidity Control module 1, and air outlet links to each other with the air exhaust passage air inlet 12 of air-to-air heat exchanger C; The new wind passage air inlet 11 of air-to-air heat exchanger C links to each other with outside Temperature and Humidity Control module 2, and the new wind passage air outlet 13 of air-to-air heat exchanger C links to each other with the air inlet of air-water-to-water heat exchanger B.
Handpiece Water Chilling Units module 4 comprises handpiece Water Chilling Units Q, freezing water tank P and chilled water pump I.Handpiece Water Chilling Units Q connects freeze drying surface cooler J, M by chilled water pump I and supplies chilled water, constitutes the chilled water circulation.
Adopt indoor Temperature and Humidity Control module 1 and outside Temperature and Humidity Control module 2, its inside has comprised surface cooler, electric heater, electric moistening device and has been used for the humiture in the airduct is regulated and control.
The air of discharging from indoor aerial temperature and humidity control module 1 enters the direct evaporative cooler A, directly contacts with shower water and carries out the caloic exchange, and air is the constant enthalpy cooling in this process, and the water capacity of air increases, and temperature reduces.Air behind the moistening and lowering temperature carries out heat exchange with new wind in the air exhaust passage air outlet 14 of air-to-air heat exchanger C is admitted to the air exhaust passage of air-to-air heat exchanger C.
The air of discharging from outdoor air Temperature and Humidity Control module 2 at first enters the new wind passage of air-to-air heat exchanger C and carries out heat exchange with the air draft behind spraying cooling, reclaim the energy in the air draft, outdoor new wind is cooled first, enter then among air-water-to-water heat exchanger B with reserve tank D in water carry out exchange heat, outdoor new wind is further cooled in air-water-to-water heat exchanger B.
Shower water among direct evaporative cooler A temperature under the evaporative cooling effect is reduced to the wet-bulb temperature of indoor exhaust wind correspondence, enters reserve tank D.Water among the reserve tank D enters among air-water-to-water heat exchanger B further cooling chamber new wind outward under the driving of air-water heat exchange water circulating pump H.Outdoor novel wind energy after process air-to-air heat exchanger C and air-water-to-water heat exchanger B cool for twice enough reaches lower temperature.
The present invention can simulate the meteorologic parameter of national typical urban, can record evaporative cooling system in indoor operation conditions and the parameter in each area.
Claims (1)
1. a new wind-heat reclaims experimental system, comprise indoor Temperature and Humidity Control module (1), outside Temperature and Humidity Control module (2), evaporative cooling experiment module (3), handpiece Water Chilling Units module (4), indoor Temperature and Humidity Control module (1) is made of air draft blower fan F, freeze drying surface cooler J, electric heater K and electric moistening device L; Outside Temperature and Humidity Control module (2) is made of new wind blower fan E, freeze drying surface cooler M, electric heater N and electric moistening device O; Evaporative cooling experiment module (3) is made of direct evaporative cooler A, air-water-to-water heat exchanger B, air-to-air heat exchanger C, reserve tank D, spray water circulating pump G and air-water heat exchange water circulating pump H; Handpiece Water Chilling Units module (4) is made of handpiece Water Chilling Units Q, freezing water tank P and chilled water pump I; It is characterized in that: the direct evaporative cooler A air inlet in the described evaporative cooling experiment module (3) links to each other with indoor Temperature and Humidity Control module (1), and air outlet links to each other with the air exhaust passage air inlet (12) of air-to-air heat exchanger C; The new wind passage air inlet (11) of air-to-air heat exchanger C links to each other with outside Temperature and Humidity Control module (2), and the new wind passage air outlet (13) of air-to-air heat exchanger C links to each other with the air inlet of air-water-to-water heat exchanger B; Described reserve tank D and direct evaporative cooler A connect and compose the shower water circulation by spray water circulating pump G; Described reserve tank D and air-water-to-water heat exchanger B connects and composes the circulation of heat exchange water by air-water heat exchange water circulating pump H; Described handpiece Water Chilling Units Q connects freeze drying surface cooler J, M by chilled water pump I and supplies chilled water, constitutes the chilled water circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110063808 CN102175476B (en) | 2011-03-17 | 2011-03-17 | Fresh air heat recovery experimental system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110063808 CN102175476B (en) | 2011-03-17 | 2011-03-17 | Fresh air heat recovery experimental system |
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| CN102175476A CN102175476A (en) | 2011-09-07 |
| CN102175476B true CN102175476B (en) | 2013-09-25 |
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| CN 201110063808 Expired - Fee Related CN102175476B (en) | 2011-03-17 | 2011-03-17 | Fresh air heat recovery experimental system |
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| CN117377262A (en) * | 2022-06-29 | 2024-01-09 | 中兴通讯股份有限公司 | Indirect evaporative cooling system and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0152121A3 (en) * | 1981-07-02 | 1986-08-06 | Borg-Warner Limited | Heat pump apparatus with multi-stage compressor |
| WO2009128093A1 (en) * | 2008-04-17 | 2009-10-22 | Rajendra Vithal Ladkat | Hot and cold storage |
| CN101457958A (en) * | 2008-11-24 | 2009-06-17 | 袁一军 | Method and system for humidifying fresh air by utilizing heat of air exhaust |
| CN101922821A (en) * | 2009-06-10 | 2010-12-22 | 中国科学院工程热物理研究所 | Method for simultaneously recovering water and latent heat in high-humidity flue gas and heat pump device |
| CN101900384A (en) * | 2010-05-21 | 2010-12-01 | 南通华信中央空调有限公司 | Exhaust air heat recovery fresh air unit equipped with moisture absorption heat exchangers |
| CN201740129U (en) * | 2010-07-22 | 2011-02-09 | 西安工程大学 | Two-stage surface cooler and direct evaporating and cooling compound type fresh air fan unit |
| CN202033206U (en) * | 2011-03-17 | 2011-11-09 | 上海理工大学 | Fresh air heat recovery experiment device utilizing evaporative cooling |
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Inventor after: Wang Jin Inventor after: Wang Jinxin Inventor after: Zhao Fei Inventor after: Li Shusheng Inventor after: Li Zhen Inventor after: Li Wei Inventor after: Duan Wenshan Inventor after: Zhao Kai Inventor after: Zhao Luping Inventor after: Wu Ji Inventor after: Niu Zhen Inventor before: Wang Jin Inventor before: Li Shusheng Inventor before: Xin Jingjing Inventor before: Li Xinlin Inventor before: Li Zhen Inventor before: Yuan Huan |
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Free format text: CORRECT: INVENTOR; FROM: WANG JIN LI SHUSHENG XIN JINGJING LI XINLIN LI ZHEN YUAN YUAN TO: WANG JIN LI SHUSHENG LI ZHEN LI WEI DUAN WENSHAN ZHAO KAI ZHAO LUPING WU JI NIU ZHEN WANG JINXIN ZHAO FEI |
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Application publication date: 20110907 Assignee: SHANGHAI YUANZHI ENVIRONMENTAL TECHNOLOGY CO., LTD. Assignor: University of Shanghai for Science and Technology Contract record no.: 2015310000034 Denomination of invention: Fresh air heat recovery experimental system Granted publication date: 20130925 License type: Exclusive License Record date: 20150325 |
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