CN104132559A - Phase-change strengthening composite air cooling system - Google Patents
Phase-change strengthening composite air cooling system Download PDFInfo
- Publication number
- CN104132559A CN104132559A CN201410362739.7A CN201410362739A CN104132559A CN 104132559 A CN104132559 A CN 104132559A CN 201410362739 A CN201410362739 A CN 201410362739A CN 104132559 A CN104132559 A CN 104132559A
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- CN
- China
- Prior art keywords
- air cooling
- air
- cooling heat
- atomization chamber
- cooling system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/02—Direct-contact trickle coolers, e.g. cooling towers with counter-current only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention provides a phase-change strengthening composite air cooling system which includes an air cooling radiator arranged on a medium pipeline, a draught fan for inducing air to the air cooling radiator, and an atomizing cavity for supplying air to the air cooling radiator; the atomizing cavity is provided with an air inlet and an air outlet which faces to an inlet of the air cooling radiator, the interior of the atomizing cavity is also provided with atomizers connected with a water pipe, and the atomizers are located at the rear of the air inlet. With utilization of the cooling mode with combination of evaporative cooling and spray phase-change cooling, an air temperature of the inlet of the air cooling radiator is reduced, the air temperature is dropped to near a wet bulb temperature, and a required temperature-dropping effect can be reached in summer high temperatures.
Description
Technical field
The present invention relates to a kind of air cooling system, particularly relate to a kind of phase transformation strengthening compound air cooling system.
Background technology
Water is the irreplaceable resources of human society survival and development, is the basis of the sustainable development of socio-economy.Contemporary mankind's standard of living is co-energy and the consumption of fresh water is closely bound up.The sharp increase of population in the world makes the energy and fresh water consumption be difficult to estimation.China will enter the serious water shortage phase, and the critical shortage of water resource will seriously restrict economic development.For ensureing the sustainable development of national economy, rationally use freshwater resources and effectively fresh-water-saving, protect the freshwater resources of existing preciousness, protect exactly the necessary condition of our human survival.
According to the way of contact of recirculated water and air, cooling system can be divided into wet type cooling system and dry cooling systems (abbreviation air cooling).
Come from the urgency of water resource, water-deficient area air cooling technique is applied.Air cooling is paid close attention to by people with its significant water-saving result, and Air-cooled Unit cooling system itself can be economized on water more than 97%, and whole plant economizes on water approximately 65%.General 1m
3the water of/s can be built 1,000,000 kilowatts of clammy units, only needs 0.35m and build 1,000,000 kilowatts of Air-cooled Unit
3the water of/s.Therefore large three times of the scale that the Air-cooled Unit scale that the water of equal number can be built can be built than clammy unit, this has fully shown the superiority of air cooling technique water saving.
But in the time of summer high temperature, cooling for low temperature process medium, while particularly requiring processing medium outlet temperature to be cooled to approach environment wet-bulb temperature, common dry air cooling system is but difficult to accomplish.
Chinese utility model patent CN 202274764U, name is called vertical pervaporation air cooler, comprises support sparge pipe, medium pipeline, water fender and blower fan, and sparge pipe is provided with water jet, and medium pipeline is made up of medium inlet, media outlet and finned tube tube bank.The below water fender that medium pipeline is located at mouth spray is attached to the side of medium pipeline, and blower fan is fixed on the top of support, and the air outlet of blower fan is facing to the top of medium pipeline.The air cooling that it is relatively simple, can improve cooling velocity, and relatively simple is clammy, can economize on water, and environmental pollution is little simultaneously; But water spray is sprayed directly on on heat exchanger outer surface, form water membrane at heat exchanger surface, air certainly will will pass through this layer of moisture film, and this has greatly increased the power consumption of blower fan; Water smoke is sprayed directly on on heat exchanger surface on the other hand, easily adheres to incrustation scale, scale etc. at heat exchanger surface, and therefore the rough sledding such as heat exchanger effectiveness reduction or fin corrosion of heat exchanger occurs sometimes; Certainly will have in addition a certain amount of moisture evaporation loss.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of phase transformation strengthening compound air cooling system, for solving problems of the prior art.
For achieving the above object and other relevant objects, the invention provides a kind of phase transformation strengthening compound air cooling system, it comprises the air cooling heat radiator being placed on medium pipeline, to the blower fan of air cooling heat radiator air inducing or air-supply, and the atomization chamber of blowing to described air cooling heat radiator, described atomization chamber is provided with air inlet and the gas outlet towards described air cooling heat radiator import, is also provided with the atomizer being connected with water pipe in atomization chamber, and described atomizer is positioned at the rear of described air inlet.
Preferably, also comprise control system, described control system comprises controller, be placed in described medium pipeline and be placed in the temperature sensor at air cooling heat radiator rear, and the feed pump being connected with described water pipe, be located at the control valve on water pipe, described temperature sensor, feed pump and control valve are all connected with described controller.
Preferably, described medium pipeline is provided with two described air cooling heat radiators, and two air cooling heat radiators are arranged in parallel, and the corresponding described atomization chamber of each air cooling heat radiator, and two air cooling heat radiators and two atomization chamber are in an identical air flue.
Preferably, the atomization chamber that is positioned at described air flue air inlet bottom is provided with header tank.
Preferably, described atomizer is provided with multiple shower nozzles, and shower nozzle spray direction is adjustable.
Preferably, the shower nozzle of described atomizer can be HJP type shower nozzle, eddy type spray head, collision type shower nozzle or Combined nozzle.
Preferably, described atomization chamber bottom is provided with header tank.
As mentioned above, phase transformation strengthening compound air cooling system of the present invention, there is following beneficial effect: the type of cooling of utilizing evaporative cooling and spraying Phase cooling to combine, reduce the inlet air temperature of air cooling heat radiator, make air be down near its wet-bulb temperature (relative humidity 95%), can in the time of summer high temperature, make medium be reduced to the required temperature of client, the water smoke (having a certain proportion of steam) of atomizer ejection directly contacts with air in atomization chamber, contact area is large, without filler, can reduce SR, avoid blocking simultaneously, aging, nourish the defects such as bacterium, and spraying is not sprayed directly on to the surface of air cooling heat radiator, prevent the problems such as surface scale, the corrosion of air cooling heat radiator and the heat exchange efficiency causing are thus low.
Brief description of the drawings
Fig. 1 is shown as the first embodiment schematic diagram of phase transformation strengthening compound air cooling system of the present invention.
Fig. 2 is shown as the second embodiment schematic diagram of phase transformation strengthening compound air cooling system of the present invention.
Fig. 3 is shown as the 3rd embodiment schematic diagram of phase transformation strengthening compound air cooling system of the present invention.
Element numbers explanation
1 temperature sensor
2 medium pipelines
3 atomization chamber
31 air inlets
4 air cooling heat radiators
5 blower fans
6 atomizers
7 water pipes
8 feed pumps
9 valves
10 water tanks
11 control valves
12 controllers
Detailed description of the invention
By particular specific embodiment explanation embodiments of the present invention, person skilled in the art scholar can understand other advantages of the present invention and effect easily by the disclosed content of this description below.
Refer to Fig. 1 to Fig. 3.Notice, appended graphic the illustrated structure of this description, ratio, size etc., all contents in order to coordinate description to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, not affecting under effect that the present invention can produce and the object that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this description, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the present invention without essence.
As shown in Figure 1, the invention provides a kind of the first embodiment of phase transformation strengthening compound air cooling system, it comprises the air cooling heat radiator 4 being placed on medium pipeline 2, to the blower fan 5 of air cooling heat radiator 4 air inducing, and the atomization chamber 3 of blowing to air cooling heat radiator 4, atomization chamber 3 is provided with air inlet 31 and the gas outlet towards air cooling heat radiator import, is also provided with the atomizer 6 being connected with water pipe 7 in atomization chamber 3, and atomizer 6 is positioned at the rear of air inlet 31.The type of cooling that the present invention adopts evaporative cooling and spraying Phase cooling to combine, reduce the inlet air temperature of air cooling heat radiator 4, make air be down near its wet-bulb temperature (relative humidity 95%), can be in the time of summer high temperature, make medium be reduced to the required temperature of client, the water smoke (having a certain proportion of steam) that atomizer 6 sprays directly contacts with air in atomization chamber 3, contact area is large, without filler, can reduce SR, avoid blocking simultaneously, aging, nourish the defect such as bacterium; And spraying is not sprayed directly on to the surface of air cooling heat radiator, prevent the problems such as air cooling heat radiator surface scale, corrosion and the heat exchange efficiency causing are thus low.
For ease of implementing and controlling, the present invention also comprises control system, control system comprises controller 12, be placed in medium pipeline 2 and be placed in the temperature sensor 1 at air cooling heat radiator 4 rears, and the feed pump 8 being connected with water pipe 7, be located at the control valve 11 on water pipe 7, temperature sensor 1, feed pump 8 and control valve 11 are all connected with controller 12.
When use, in control system, pre-enter the user's request temperature T of the medium that medium pipeline 2 exports
0, by the actual temperature T in temperature sensor 1 Real-Time Monitoring medium pipeline exit, as T≤T
0time, controller 12 controls to adjust valve 11 (this control valve 11 can be magnetic valve) and cuts out, and now only relies on external environment air cooling, and air radiator 4 is in pure air cooling operational mode.As T > T
0time, controller 12 controls to adjust valve 11 and opens, now rely on blower fan 5 air inducing and water pipe 7 to send water and then spray water cooling to atomizer 6 simultaneously, air radiator 4 is in evaporative cooling pattern, the flow of cooling water is determined according to the temperature in medium pipeline exit and heat exchanger effectiveness as calculated by controller 12, and obtained by the opening angle of control and regulation valve 11 according to the calculated value of flow by controller 12, along with the rising of ambient air temperature, control injection flow rate, just make air be down near its wet-bulb temperature (relative humidity 95%), (wherein, wet-bulb temperature refers under equal enthalpy air condition, air themperature when water in air steam reaches capacity, on air psychrometric chart, be to be dropped on 100% relative humidity line along isenthalp by air condition point, the dry-bulb temperature of corresponding points.) under normal circumstances, spray and under cooling water and air heat exchange after all flash to steam, without remained water discharge.If air themperature is down to after near wet-bulb temperature (relative humidity 95%), medium pipeline exit temperature does not also reach user's request, now continuing to tune up injection flow rate no longer works, and need to regulate by controller 12 electric machine frequency of feed pump 8, by heightening atomisation pressure, make spraying produce the cooling effect that expands, spraying has certain vaporization ratio, further to reduce air themperature, the pattern that the present embodiment combines in evaporative cooling and spraying Phase cooling.
Above-mentioned water pipe 7 is connected with feed pump 8 by valve 9, and feed pump 8 is connected with water tank 10, and the water in water tank 10 is running water or underground water.Atomizer 6 is provided with multiple shower nozzles, and shower nozzle spray direction can regulate automatically, and object is that the water smoke of increase ejection is with time of contact and the coefficient of heat transfer of air.。The shower nozzle of atomizer 6 can be HJP type shower nozzle, eddy type spray head, collision type shower nozzle or Combined nozzle., blower fan 5 is selected induced air type blower fan, is arranged on the top of air cooling heat radiator 4, also can select as required pressure fan, is arranged in the below or atomization chamber 3 of air cooling heat radiator 4.
As shown in Figure 2, for the second embodiment of phase transformation strengthening compound air cooling system of the present invention, be with the first embodiment difference: medium pipeline 2 is provided with two air cooling heat radiators 4, two air cooling heat radiators 4 are arranged in parallel, and each air cooling heat radiator 4 corresponding 3, two air cooling heat radiators 4 of an atomization chamber and two atomization chamber 3 are in an identical air flue.Above-mentioned blower fan 5 is located at the top of the air cooling heat radiator 4 that is positioned at top, is positioned at the top of air flue, and cryogenic media is divided into two-way and after 4 coolings of two air cooling heat radiators, converges outflow respectively.In like manner, blower fan also can be arranged in the below of air cooling heat radiator 4, below or the atomization chamber of below 3.
As shown in Figure 3, be the third embodiment of the present invention, itself and the second embodiment difference are, the atomization chamber 3 that is positioned at air flue air inlet bottom is provided with header tank, for reclaiming the water droplet dropping, header tank is provided with filling pipe and water compensating valve, and this header tank can be used as above-mentioned water tank 10 and uses.Same, also can header tank be set in the atomization chamber bottom of the first embodiment.
When the second embodiment and the 3rd embodiment move, air enters the first atomization chamber from the air inlet that is positioned at air flue bottom, and the water smoke spraying with atomizer 6 carries out sufficient caloic exchange, and air themperature is down to corresponding wet-bulb temperature T
sneighbouring (relative humidity 95%), after the first air cooling heat radiator heating, air themperature rises to T
s+ △ T
1, and water capacity is constant, (background technology contrast patent water smoke is sprayed directly on to heat exchanger surface, and outlet air temperature is T in relative humidity reduction
s+ △ T
2, relative humidity all approaches saturated, and temperature is high, the moisture of therefore taking away is also many), become undersaturated condition, can continue to absorb moisture, therefore can continue to enter the second atomization chamber moisture absorption cooling.
In sum, phase transformation strengthening compound air cooling system of the present invention, the type of cooling that adopts evaporative cooling and spraying Phase cooling to combine, reduce the inlet air temperature of air cooling heat radiator 4, make air be down near its wet-bulb temperature (relative humidity 95%), can make the not high medium of temperature originally be reduced to the required temperature of client, the water smoke (having a certain proportion of steam) that atomizer 6 sprays directly contacts with air in atomization chamber 3, contact area is large, without filler, can reduce SR, avoid blocking simultaneously, aging, nourish the defect such as bacterium; And spraying is not sprayed directly on to the surface of air cooling heat radiator, prevent the problems such as air cooling heat radiator surface scale, corrosion and the heat exchange efficiency causing are thus low.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (7)
1. a phase transformation strengthening compound air cooling system, it is characterized in that, comprise the air cooling heat radiator (4) being placed on medium pipeline (2), to the blower fan (5) of air cooling heat radiator (4) air inducing or air-supply, and the atomization chamber (3) of blowing to described air cooling heat radiator (4), described atomization chamber (3) is provided with air inlet (31) and the gas outlet towards described air cooling heat radiator import, in atomization chamber (3), be also provided with the atomizer (6) being connected with water pipe (7), described atomizer (6) is positioned at the rear of described air inlet (31).
2. phase transformation strengthening compound air cooling system according to claim 1, it is characterized in that: also comprise control system, described control system comprises controller (12), it is upper and be placed in the temperature sensor (1) at air cooling heat radiator (4) rear to be placed in described medium pipeline (2), and the feed pump (8) being connected with described water pipe (7), be located at the control valve (11) on water pipe (7), described temperature sensor (1), feed pump (7) and control valve (11) are all connected with described controller (12).
3. phase transformation strengthening compound air cooling system according to claim 1, it is characterized in that: described medium pipeline (2) is provided with two described air cooling heat radiators (4), two air cooling heat radiators (4) are arranged in parallel, and the corresponding described atomization chamber of each air cooling heat radiator (4) (3), two air cooling heat radiators (4) and two atomization chamber (3) are in an identical air flue.
4. phase transformation strengthening compound air cooling system according to claim 3, is characterized in that: the atomization chamber (4) that is positioned at described air flue air inlet bottom is provided with header tank.
5. phase transformation strengthening compound air cooling system according to claim 1, is characterized in that: described atomizer (6) is provided with multiple shower nozzles, and shower nozzle spray direction is adjustable.
6. phase transformation strengthening compound air cooling system according to claim 1, is characterized in that: the shower nozzle of described atomizer (6) can be HJP type shower nozzle, eddy type spray head, collision type shower nozzle or Combined nozzle.
7. phase transformation strengthening compound air cooling system according to claim 1, is characterized in that: described atomization chamber bottom is provided with header tank.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410362739.7A CN104132559B (en) | 2014-07-28 | 2014-07-28 | Phase transformation strengthening compound air cooling system |
| PCT/CN2015/084049 WO2016015562A1 (en) | 2014-07-28 | 2015-07-15 | Phase-change strengthening composite air cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410362739.7A CN104132559B (en) | 2014-07-28 | 2014-07-28 | Phase transformation strengthening compound air cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104132559A true CN104132559A (en) | 2014-11-05 |
| CN104132559B CN104132559B (en) | 2016-08-24 |
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ID=51805337
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410362739.7A Active CN104132559B (en) | 2014-07-28 | 2014-07-28 | Phase transformation strengthening compound air cooling system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104132559B (en) |
| WO (1) | WO2016015562A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015562A1 (en) * | 2014-07-28 | 2016-02-04 | 上海伏波环保设备有限公司 | Phase-change strengthening composite air cooling system |
| WO2017114850A1 (en) * | 2015-12-30 | 2017-07-06 | Siemens Aktiengesellschaft | Gas treatment apparatus and gas turbine generating apparatus therewith |
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| CN1485592A (en) * | 2002-09-24 | 2004-03-31 | 徐宝安 | Air cooled water composite cooling tower |
| CN2690831Y (en) * | 2004-04-01 | 2005-04-06 | 石家庄天人化工设备有限责任公司 | Evaporation type condensation cooler |
| KR20110096187A (en) * | 2010-02-22 | 2011-08-30 | 주식회사 성지공조기술 | Structure for multi-floor installation cooling tower |
| CN102809306A (en) * | 2012-08-16 | 2012-12-05 | 上海廷亚冷却系统有限公司 | Water-saving isenthalpic humidifying and temperature reducing closed cooling tower |
| CN203240923U (en) * | 2013-03-30 | 2013-10-16 | 国家电网公司 | Air-cooling spray evaporation cooling tower |
| CN203518659U (en) * | 2013-09-10 | 2014-04-02 | 北京和海益制冷科技有限公司 | Air-cooling atomization evaporation type condenser |
| CN203629358U (en) * | 2013-11-26 | 2014-06-04 | 广州览讯科技开发有限公司 | Water-wheel driving type packless spray cooling tower |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132559B (en) * | 2014-07-28 | 2016-08-24 | 上海伏波环保设备有限公司 | Phase transformation strengthening compound air cooling system |
-
2014
- 2014-07-28 CN CN201410362739.7A patent/CN104132559B/en active Active
-
2015
- 2015-07-15 WO PCT/CN2015/084049 patent/WO2016015562A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1485592A (en) * | 2002-09-24 | 2004-03-31 | 徐宝安 | Air cooled water composite cooling tower |
| CN2690831Y (en) * | 2004-04-01 | 2005-04-06 | 石家庄天人化工设备有限责任公司 | Evaporation type condensation cooler |
| KR20110096187A (en) * | 2010-02-22 | 2011-08-30 | 주식회사 성지공조기술 | Structure for multi-floor installation cooling tower |
| CN102809306A (en) * | 2012-08-16 | 2012-12-05 | 上海廷亚冷却系统有限公司 | Water-saving isenthalpic humidifying and temperature reducing closed cooling tower |
| CN203240923U (en) * | 2013-03-30 | 2013-10-16 | 国家电网公司 | Air-cooling spray evaporation cooling tower |
| CN203518659U (en) * | 2013-09-10 | 2014-04-02 | 北京和海益制冷科技有限公司 | Air-cooling atomization evaporation type condenser |
| CN203629358U (en) * | 2013-11-26 | 2014-06-04 | 广州览讯科技开发有限公司 | Water-wheel driving type packless spray cooling tower |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015562A1 (en) * | 2014-07-28 | 2016-02-04 | 上海伏波环保设备有限公司 | Phase-change strengthening composite air cooling system |
| WO2017114850A1 (en) * | 2015-12-30 | 2017-07-06 | Siemens Aktiengesellschaft | Gas treatment apparatus and gas turbine generating apparatus therewith |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104132559B (en) | 2016-08-24 |
| WO2016015562A1 (en) | 2016-02-04 |
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