CN1952503A - Air conditioner system based on indirect evaporative cooling technology - Google Patents
Air conditioner system based on indirect evaporative cooling technology Download PDFInfo
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- CN1952503A CN1952503A CN 200610114684 CN200610114684A CN1952503A CN 1952503 A CN1952503 A CN 1952503A CN 200610114684 CN200610114684 CN 200610114684 CN 200610114684 A CN200610114684 A CN 200610114684A CN 1952503 A CN1952503 A CN 1952503A
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Abstract
The invention relates to an air-conditioner system based on indirect evaporation cooling technology, belonging to HVAC area, characterized in that the air-conditioner system comprises indirect evaporation cooling water chiller, indirect evaporation fresh air handling unit, sensible heat and removal end device and cooling water cycling pump; said indirect evaporation cooling water chiller comprises countercurrent air cooler and countercurrent filling tower; the cooling water with 15-18DEG C generated by indirect evaporation cooling water chiller enters into sensible heat and removal device and carries sensible heat in the room away under the influence of cooling water cycling pump; itself temperature, rising and flowing out, enters into facial air cooler of indirect evaporation cooling water chiller; after fresh air is cooled itself temperature rises again and it flows back to cooling chiller so as to generate cooling water continuously and accomplish cooling water cycling. Compared with conventional, air-conditioner system the energy-saving of air-conditioner system is more than 30% and CFC refrigerant is not used. It is provided with economical, energy-saving and circumstance protection so on. It is the air-conditioner system in drier region with wide application.
Description
Technical field
The present invention relates to a kind of air-conditioning system, belong to field of heating ventilation air conditioning based on indirect evaporative cooling technology.
Background technology
Along with the extensive use of air-conditioning, its energy consumption has accounted for more than 50% of total energy consumption of building, and corresponding power-saving technology more and more causes people's attention, and the utilization of regenerative resource and low-grade energy becomes very important energy saving way.Evaporation cooling technique especially indirect evaporative cooling technology is a kind of very potential high temperature low-temperature receiver acquiring way in drying area, northwest.Evaporative cooling promptly utilizes the unsaturated characteristic of outdoor air, produces cold by evaporation of water, and the branch of direct evaporative cooling and indirect evaporation cooling is arranged.Directly the limiting temperature of evaporative cooling generation cold water is an air ' s wet bulb temperature, and the limiting temperature that the indirect evaporation cooling produces cold water is the air dew point temperature.With Xinjiang, NORTHWEST CHINA area, Qinghai, Ningxia, Gansu, Tibet five provincial meteorological observatory station statistics is example, the wettest month outdoor average dew-point temperature 12.3 degree, average wet-bulb temperature 16.8 degree, thus, adopt indirect evaporative cooling technology can produce the more cold wind or the cold water of low temperature, satisfy the requirement of removing indoor sensible heat load, and reduce the conveying energy consumption of system.
Though dry area, northwest has the air-conditioning system of many buildings to adopt direct evaporation, indirect evaporative cooling technology at present, also has many problems.The design of air conditioning of some building, cold machine of traditional compression and the direct new blower fan group of transpiration-cooled are combined: in ends such as fan coil, feed low temperature (7～12 ℃) cold water room air is carried out dehumidification by condensation, and new blower fan group is sent into new wind humidification indoor by direct evaporation mode, there are dehumidifying and humidification in the system simultaneously, not only used electric energy of dehumidifying that consume have also been wasted dry air more.Temperature, the independent control theory of humidity and be the successful exploitation of the indirect evaporation cooling water chiller of refrigerating medium with water are for the problems referred to above have provided best solution route.Thus, the present invention designs a kind of air-conditioning system based on indirect evaporative cooling technology, from outdoor dry air, obtain cold by indirect evaporation cooling water chiller, the new blower fan group of indirect evaporation, make outdoor dry air become the drive source of whole system, can be used for the large public building in the dry area of NORTHWEST CHINA, boundless application prospect is arranged.
Summary of the invention
The present invention proposes a kind of air-conditioning system based on indirect evaporative cooling technology, and the drive source of whole system is dry air and nonelectrical energy, by appropriate design cold water flow process, makes the transmission ﹠ distribution power consumption minimum of whole air-conditioning system, utilizes the most effective of dry air.
A kind of air-conditioning system based on indirect evaporative cooling technology that the present invention proposes is characterized in that: this air-conditioning system is made up of indirect evaporation cooling water chiller 1, the new blower fan group 2 of indirect evaporation, sensible heat removal end equipment 3, cold water circulation pump 4; Described indirect evaporation cooling water chiller 1 is made up of counter-flow air cooler 5 and countercurrent filling tower 6; The new blower fan group 2 of described indirect evaporation is made up of surface air cooler 7 and indirect evaporation cooling section 8; Produce 15～18 ℃ of cold water by indirect evaporation cooling water chiller 1, under the effect of cold water circulation pump 4, at first enter sensible heat and remove end equipment 3, take away the room sensible heat, the back outflow of self temperature rising, then enter the surface air cooler 7 of the new blower fan group 2 of indirect evaporation, after cooling off new wind, himself temperature further raises, and flows back to handpiece Water Chilling Units 1 at last, continue spray and produce cold water, finish the circulation of cold water; By after the preliminary cooling of cold water, send into indoor through the indirect evaporation cooling section by 8 further coolings in surface air cooler (7) for the new wind of the new blower fan group 2 of described indirect evaporation.
The new air-conditioning system that the present invention proposes is compared with traditional air-conditioning system, and this air conditioner system energy saving is more than 30%, and does not use the CFC cold-producing medium, and environmentally safe is the air-conditioning system in economy, energy-saving and environmental protection and a kind of dry area that wide application potential is arranged.
Description of drawings
Fig. 1 is the air-conditioning system schematic diagram based on indirect evaporative cooling technology of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
As shown in Figure 1, by indirect evaporation cooling water chiller 1, the new blower fan group 2 of indirect evaporation, sensible heat are removed compositions such as end equipment 3 and cold water circulation pump 4.Wherein indirect evaporation cooling water chiller is made up of counter-flow air cooler 5 and countercurrent packed tower 6, and the new blower fan group 2 of indirect evaporation mainly is made up of surface air cooler 7 and indirect evaporation cooling section 8.Cold water flow process one by series connection is the terminal removal device of the indoor sensible heat of cold water elder generation process that handpiece Water Chilling Units produces, after through new blower fan group, get back to cold machine at last, thus that indirect evaporation cooling water chiller 1, the new blower fan group 2 of indirect evaporation and sensible heat end equipment 3 is reasonably combined.
The course of work of this air-conditioning system is as follows:
Utilize the drying property (dry area, northwest) of outdoor new wind, at first produce 15～18 ℃ of cold water that are lower than wet-bulb temperature by indirect evaporation cooling water chiller 1, cold water is under the effect of cold water circulation pump 4, the sensible heat that is admitted to earlier in the room is removed end equipment 3, such as fan coil or radiation furred ceiling etc., take away indoor sensible heat load, after cold water self temperature raises, flow out by sensible heat is terminal, enter the surface air cooler 7 of new blower fan group 2, spray generation cold water to returning indirect evaporation cooling water chiller 1 after the wet coolings such as new wind carries out, thereby finish the circulation of cold water.The new wind of new blower fan group by the terminal backwater cooling of sensible heat after, send into indoorly again after the further cooling by indirect evaporation cooling section 8, take away space moisture load and part sensible heat load.
The indirect evaporation cooling water chiller that adopts in the air-conditioning system of the present invention, based on patent " a kind of indirectly evaporating cold supply device ", by arranging counter-flow air cooler and countercurrent packed tower simply, cleverly, as shown in Figure 1, the limiting temperature of accessible cold water water outlet is the dew-point temperature of outdoor air.By the series connection cold water flow process of this design of air conditioning, can make the return water temperature of indirect evaporation cooling water chiller raise, and then the enthalpy of handpiece Water Chilling Units air draft is raise, thereby make it utilize the energy of dry air more fully.Simultaneously, the new blower fan group of the indirect evaporation that adopts in this air-conditioning system, form by surface air cooler 7 and indirect evaporation cooling section 8, utilize the cold-water return of sensible heat end to cool off the new wind of new blower fan group, when improving cold machine return water temperature, reduce the EAT of indirect evaporation cooling section, make new blower fan group can obtain the more air-supply of low temperature.And then, by the heat exchange area of each heat exchanger components in the choose reasonable air-conditioning system of the present invention (sensible heat is removed terminal, new blower fan group aerial cooler etc.), can make in the system heat transfer temperature difference of each heat exchanger components more even, thereby improve heat exchange efficiency; By the amount of capacity of each parts of choose reasonable (handpiece Water Chilling Units and new blower fan group), satisfy take away indoor hot humidity load in, make the transmission ﹠ distribution power consumption minimum of entire system, system utilizes the most effective of dry air.
In the air-conditioning system of Fig. 1, mainly form by indirect evaporation cooling water chiller 1, the new blower fan group 2 of indirect evaporation, sensible heat removal end equipment 3, cold water circulation pump 4 based on indirect evaporative cooling technology.The indirect evaporation cooling water chiller 1 of this air-conditioning system is made up of counter-flow air cooler 5 and countercurrent filling tower 6; The new blower fan group 2 of the indirect evaporation of this air-conditioning system is made up of surface air cooler 7 and indirect evaporation cooling section 8.Produce 15～18 ℃ of cold water by indirect evaporation cooling water chiller 1, under the effect of cold water circulation pump 4, at first enter sensible heat and remove terminally 3, take away the room sensible heat, flow out self temperature back that raises, then enter the surface air cooler 7 of the new blower fan group 2 of indirect evaporation, after cooling off new wind, himself temperature further raises, and flows back to handpiece Water Chilling Units 1 at last, continue spray and produce cold water, finish the circulation of cold water.By after the preliminary cooling of cold water, send into indoor through the indirect evaporation cooling section by 8 further coolings in surface air cooler 7 for the new wind of the new blower fan group 2 of indirect evaporation.Take away the sensible heat load in room in this air-conditioning system by the terminal removal device 3 of sensible heat, take away the humidity load and the part sensible heat load in room, satisfy the temperature of air-conditioning system, the needs of humidity control by new blower fan group 2.
Claims (1)
1, a kind of air-conditioning system based on indirect evaporative cooling technology is characterized in that: this air-conditioning system is made up of indirect evaporation cooling water chiller (1), the new blower fan group of indirect evaporation (2), sensible heat removal end equipment (3), cold water circulation pump (4); Described indirect evaporation cooling water chiller (1) is made up of counter-flow air cooler (5) and countercurrent filling tower (6); The new blower fan group of described indirect evaporation (2) is made up of surface air cooler (7) and indirect evaporation cooling section (8); Produce 15～18 ℃ of cold water by indirect evaporation cooling water chiller (1), under the effect of cold water circulation pump (4), at first enter sensible heat and remove end equipment (3), take away the room sensible heat, the back outflow of self temperature rising, then enter the surface air cooler (7) of the new blower fan group of indirect evaporation (2), after cooling off new wind, himself temperature further raises, and flows back to handpiece Water Chilling Units (1) at last, continue spray and produce cold water, finish the circulation of cold water; By after the preliminary cooling of cold water, send into indoor through indirect evaporation cooling section (8) by further cooling in surface air cooler (7) for the new wind of the new blower fan group of described indirect evaporation (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101146843A CN100417864C (en) | 2006-11-21 | 2006-11-21 | Air conditioner system based on indirect evaporative cooling technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101146843A CN100417864C (en) | 2006-11-21 | 2006-11-21 | Air conditioner system based on indirect evaporative cooling technology |
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| CN1952503A true CN1952503A (en) | 2007-04-25 |
| CN100417864C CN100417864C (en) | 2008-09-10 |
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| CNB2006101146843A Active CN100417864C (en) | 2006-11-21 | 2006-11-21 | Air conditioner system based on indirect evaporative cooling technology |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2452902C2 (en) * | 2010-07-19 | 2012-06-10 | Олег Савельевич Кочетов | Air cooling plant with recirculating water evaporation |
| CN102538110A (en) * | 2012-03-12 | 2012-07-04 | 于向阳 | Method and device for refrigerating and supplying cold through evaporation |
| CN102914005A (en) * | 2012-08-15 | 2013-02-06 | 新疆绿色使者空气环境技术有限公司 | Method and device of evaporation refrigerating air-conditioner with combined low temperature sensible cooling end and high temperature sensible cooling end |
| CN102937312A (en) * | 2012-11-10 | 2013-02-20 | 清华大学 | Anti-freezing method for indirect evaporative water chilling unit capable of operating all year round and unit |
| CN103090480A (en) * | 2011-11-01 | 2013-05-08 | 勤益科技大学 | Active window type energy conversion and ventilation device |
| CN103090479A (en) * | 2011-11-01 | 2013-05-08 | 勤益科技大学 | Passive window type energy conversion and air exchange device |
| CN103090481A (en) * | 2011-11-01 | 2013-05-08 | 勤益科技大学 | Energy conversion and ventilation device for building |
| CN103114913A (en) * | 2013-02-07 | 2013-05-22 | 清华大学 | Method for cooling gas turbine inlet gas by indirect evaporation |
| CN104596005A (en) * | 2015-01-07 | 2015-05-06 | 西安工程大学 | Water-saving pipe-wrapped-by-filler type evaporative cooling air-conditioning system |
| CN104776731A (en) * | 2015-03-31 | 2015-07-15 | 清华大学 | System and method for freezing resistance of cooling tower in winter by utilizing indirect evaporative cooling |
| CN105698311A (en) * | 2016-03-07 | 2016-06-22 | 西安工程大学 | Power distribution-type evaporative cooling independent temperature-humidity control air conditioning system for dry regions |
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| US5778683A (en) * | 1995-11-30 | 1998-07-14 | Johnson Controls Technology Co. | Thermal storage system controller and method |
| JPH10253094A (en) * | 1997-03-14 | 1998-09-25 | Sanki Eng Co Ltd | Air conditioner |
| US7150160B2 (en) * | 1998-10-08 | 2006-12-19 | Global Energy Group, Inc. | Building exhaust and air conditioner condensate (and/or other water source) evaporative refrigerant subcool/precool system and method therefor |
| CN2503384Y (en) * | 2001-04-30 | 2002-07-31 | 于向阳 | Evaperation refrigeration isohumid cooling air conditioner |
| CN2525415Y (en) * | 2002-01-30 | 2002-12-11 | 清华大学 | Indirect evaporation type cold supply device |
| CN2713359Y (en) * | 2004-07-15 | 2005-07-27 | 广州市华德工业有限公司 | Full heat recovery fresh air air-conditioner |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2452902C2 (en) * | 2010-07-19 | 2012-06-10 | Олег Савельевич Кочетов | Air cooling plant with recirculating water evaporation |
| CN103090479B (en) * | 2011-11-01 | 2015-06-24 | 勤益科技大学 | Passive window type energy conversion and air exchange device |
| CN103090480A (en) * | 2011-11-01 | 2013-05-08 | 勤益科技大学 | Active window type energy conversion and ventilation device |
| CN103090479A (en) * | 2011-11-01 | 2013-05-08 | 勤益科技大学 | Passive window type energy conversion and air exchange device |
| CN103090481A (en) * | 2011-11-01 | 2013-05-08 | 勤益科技大学 | Energy conversion and ventilation device for building |
| CN103090481B (en) * | 2011-11-01 | 2015-06-24 | 勤益科技大学 | Energy conversion and ventilation device for building |
| CN103090480B (en) * | 2011-11-01 | 2015-06-24 | 勤益科技大学 | Active window type energy conversion and ventilation device |
| CN102538110A (en) * | 2012-03-12 | 2012-07-04 | 于向阳 | Method and device for refrigerating and supplying cold through evaporation |
| CN102538110B (en) * | 2012-03-12 | 2014-10-29 | 于向阳 | Method and device for refrigerating and supplying cold through evaporation |
| CN102914005A (en) * | 2012-08-15 | 2013-02-06 | 新疆绿色使者空气环境技术有限公司 | Method and device of evaporation refrigerating air-conditioner with combined low temperature sensible cooling end and high temperature sensible cooling end |
| CN102914005B (en) * | 2012-08-15 | 2015-11-18 | 新疆绿色使者空气环境技术有限公司 | Low high temperature shows the method and apparatus of the sweat cooling air-conditioning of cold end associating |
| CN102937312B (en) * | 2012-11-10 | 2015-02-18 | 清华大学 | Anti-freezing method for indirect evaporative water chilling unit capable of operating all year round and unit |
| CN102937312A (en) * | 2012-11-10 | 2013-02-20 | 清华大学 | Anti-freezing method for indirect evaporative water chilling unit capable of operating all year round and unit |
| CN103114913B (en) * | 2013-02-07 | 2014-12-24 | 清华大学 | Method for cooling gas turbine inlet gas by indirect evaporation |
| CN103114913A (en) * | 2013-02-07 | 2013-05-22 | 清华大学 | Method for cooling gas turbine inlet gas by indirect evaporation |
| CN104596005A (en) * | 2015-01-07 | 2015-05-06 | 西安工程大学 | Water-saving pipe-wrapped-by-filler type evaporative cooling air-conditioning system |
| CN104596005B (en) * | 2015-01-07 | 2017-08-25 | 西安工程大学 | Water-saving filler wraps up in tubular type Evaporative Cooling Air-conditioning System |
| CN104776731A (en) * | 2015-03-31 | 2015-07-15 | 清华大学 | System and method for freezing resistance of cooling tower in winter by utilizing indirect evaporative cooling |
| CN104776731B (en) * | 2015-03-31 | 2017-10-10 | 清华大学 | A kind of utilization indirect evaporating-cooling realizes the system and method for cooling tower preventing freeze in winter |
| CN105698311A (en) * | 2016-03-07 | 2016-06-22 | 西安工程大学 | Power distribution-type evaporative cooling independent temperature-humidity control air conditioning system for dry regions |
| CN105698311B (en) * | 2016-03-07 | 2019-03-08 | 西安工程大学 | Arid Area powered distributed evaporates cooling humiture independence control air conditioner system |
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| Publication number | Publication date |
|---|---|
| CN100417864C (en) | 2008-09-10 |
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