CN102116512A - Spray water distribution system in plate-type indirect evaporative cooling system - Google Patents
Spray water distribution system in plate-type indirect evaporative cooling system Download PDFInfo
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- CN102116512A CN102116512A CN2011100073969A CN201110007396A CN102116512A CN 102116512 A CN102116512 A CN 102116512A CN 2011100073969 A CN2011100073969 A CN 2011100073969A CN 201110007396 A CN201110007396 A CN 201110007396A CN 102116512 A CN102116512 A CN 102116512A
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Abstract
The invention relates to an air adjustment system by utilizing a plate-type air-air heat exchanger to indirectly evaporate and cool used in the heating ventilating and air conditioning field, in particular relates to a water system part of the system, and especially emphasizes an efficient and endurable spray water distribution subsystem in the water system. The water distribution rate improvement has vital function for improving the heat exchange efficiency and the refrigerating capacity. Meanwhile, the system has important function on sealing, corrosion prevention, scale prevention, blocking prevention, biohazard prevention and the endurable operation of the system in the water system in the opening environment. In the water distributor provided by the invention, a long and thin pipe consistent with the opening cross section of each evaporation channel is adopted as a water spray pipe which is provided with two rows of water spray holes; all the evaporation channels of the whole heat exchanger are fixedly sprayed correspondingly by a plurality of water spray pipe or a water spray pipe scanned by a track; evenly continuous water films are formed on each wall face of the heat exchanger; and the water distributing system is applied to the air-conditioner system of plate-type indirect water evaporation and cooling.
Description
Technical field
The present invention relates to field of heating ventilation air conditioning and utilize the system that air conditioning is carried out in water receiving evaporative cooling between plate type air-air heat exchanger, be specifically related to the water system part of this system, stress spray cloth water subsystem efficient, durable in this water system in particular.
Background technology
At present, known air handling system comprises that air quality is handled and aerial temperature and humidity is regulated two parts.There are Compression Evaporation system, vapor sorption systems and normal temperature and pressure water vapo(u)rization system several on the main air temperature modification systems technology.The water evaporative cooling system is divided a direct water evaporative cooling system and a water receiving evaporative cooling system again.The indirect evaporation system mainly comprises tubing heat exchanger system, heat-exchangers of the plate type system and heat pipe-type heat exchanger system.
Compressor mechanical refrigeration, volume is little, refrigeration performance is strong, but has some drawbacks such as high energy consumption, unhealthy, not environmental protection.The vapor absorption refrigerating efficiency is higher, except mechanically refrigerated drawback, also has the huge problem of unit volume.
What the water evaporative cooling system adopted is ubiquitous water evaporating principle on nature and our human body, many natural reasonability, the feature of environmental protection and sustainable development are arranged, and its characteristics comprise that higher Energy Efficiency Ratio, health and susceptibility are good, little etc. to environmental pressure.What but this system used is open water system, occurs problems such as fouling, burn into obstruction and microorganism harm easily, carry out the efficiently bionical of spray process, and employing composite machine refrigeration obtains deep refrigerating and high accuracy control is important research and development problem.
Directly evaporative cooling system is simple in structure, but because its air-out humidity is too big, and sweat cooling efficient is limited, has limited range of application greatly, and this direct evaporation technique is mainly used in the extensive aeration-cooling etc. of cooling tower heat exchange and some factories.Heat-exchangers of the plate type scheme in the indirect evaporation cooling system has higher volume heat exchange efficiency, high energy efficiency ratio, realizes the incorporate refrigeration system manufacturing of various miniaturizations easily.
Indirect evaporation cooling system principle is simple, in different areas different application modes is arranged.In western part of China, northern dry area, only need to add that with simple indirect evaporation cooling direct evaporative cooling just can satisfy summer air-conditioning application in most cases; In the higher east of humid enthalpy value, middle part and southern areas, the indirect evaporation cooling system needs the composite machine refrigeration system just can reach the comfortableness requirement of indoor environment in summer.
In theory, being cooled to main, mechanical refrigeration with indirect evaporation is the novel air regulating system of assisting, can annual, in office where the district, the comprehensive solution of incorporate refrigerating/heating and air quality is provided, take into account accomplish air health, high energy efficiency than and whole requirement such as low environment pressure, be a kind of energy-conservation, reduction of discharging, environmental protection, healthy green science and technology and product.
Both at home and abroad, disclosed patent and other technologies data have the introduction of a large amount of indirect evaporation refrigerating principles and device, enumerate below:
U.S.Pat.No.6,705,096，Valeriy?Maisotsenko，03/16/2004
U.S.Pat.No.7,510,174，Larry?L.Kammerzell，03/31/2009
U.S.Pat.No.6,911,121，James?R.Beckman，06/28/2005
U.S.Pat.No.6,776,001，Valeriy?Maisotsenko，08/17/2004
U.S.Pat.No.6,523,604，Barry?R.Brooks，02/25/2003
U.S.Pat.No.6,070,655，Pertti?Heikkila，06/06/2000
U.S.Pat.No.7,197,887，Valeriy?Maisotsenko，04/03/2007
U.S.Pat.No.7,273,516，Urs?A.Weidmann，09/25/2007
U.S.Pat.No.6,018,953，William?A.Belding，02/01/2000
U.S.Pat.No.7,654,307，Mohinder?Singh?Bhatti，02/02/2010
Evaporation?Air?Conditioning?Hand?Book，Third?Edition，John?R.Watt，Will?K.
Brown，1997?The?Fairmont?Press，Inc.
CN200710030870.3
CN201010033817.0
CN200720104158.9
CN200610012263.X
CN200710017989.7
" the transmittance process irreversible thermodynamics are analyzed among the board-like IEC ", the abundant continuous heavy rain of Zhang Xuchen, Tongji University's journal, vol23 (6) 1995
" Evaporative Cooling Air Conditioning Research progress (1,2,3) both at home and abroad ", Huang Xiang, HVAC HV﹠amp; 2007 the 37th the 2nd, 3,4 phases of volume of AC
The plate type indirect evaporation cooling system mainly comprises plate type air-air heat exchanger, blower fan, air path system, water pump, water distribution and water circuit system, control system, composite machine freezes if desired, also should comprise the fluorine road system of compressor, condenser, evaporimeter, choke valve etc., and these system's simple classifications are wind system, water system, fluorine system subsystem, fluorine system wherein is the equivalent synonym of mechanical compress sweat cooling or vapor absorption refrigeration, does not specially refer to the freon compressor system.
The water circulation system of plate type indirect evaporation cooling system core plate type air-air heat exchanger as shown in Figure 5 and spray water distribution.In order to improve heat exchange efficiency and refrigerating capacity, under other operating modes situation identical with efficient, the water distribution rate that improves effective disengagement area has crucial effects.Simultaneously, in the water system of open environment, sealing, anticorrosion, antiscale, anti-clogging, prevent that biohazard is to the durable operation of system with reduce maintenance cost and play an important role.
In the known Related product and technical scheme, spray subsystem in the water system just adopts some nozzles of device on water-supply-pipe simply, each nozzle is sprayed water with the mode of umbrella cover, the mode of having plenty of atomizing, this sparse discrete nozzle is huge with the distinctive No. of plates of heat-exchangers of the plate type, the plate spacing is narrow and small and plate is not complementary towards different formation, can not accomplish the even cloth full water of whole plate faces, can not on whole plate face, form slim, uniform moisture film, but the cloth water area can only reach 10～50% of heat-exchangers of the plate type cloth water area.In order to improve the cloth water area, it is of no avail to strengthen injection flow rate simply, and atomizing spray also can cause water droplets directly to be taken out of outside the system by air-flow, has increased water consumption greatly.General shower nozzle water spray does not provide accompanying drawing here for common practise.
Summary of the invention
Fig. 1 is a kind of typical distributary plate type air-air heat exchanger, passage length is in 100～1000 millimeters scopes the time, corresponding path clearance is 2～10 millimeters, the opening surface that is each passage is long 100～1000 millimeters, wide 2～10 millimeters elongate strip, length-width ratio is 50～100: 1, and No. of plates is tens to up to a hundred.In the plate type indirect evaporation cooling system, General Definition air- flow 1 and 2 air channel are evaporation channel, and air-flow therebetween generally is indoor return air, and definition air- flow 5 and 6 air channel are new wind passage, air-flow therebetween generally is outdoor new wind, and shower water generally from the spray of air-flow 1 position down.
For each wall of giving evaporation channel cloth full water all, water-locator employing of the present invention and the corresponding to elongated tubular of each evaporation channel opening section are as sparge pipe 18, sparge pipe has two row's punchings 19 towards a side of evaporation channel inlet along the sparge pipe axis direction, the waterline of two row's opened with certain angle of its ejection is dropped on two facing surfaces of two adjacent in plate type air-air heat exchanger evaporation channel passages, and what Fig. 2 showed is that sparge pipe 18, the waterline of sparge pipe ejection and the position of plate type air-air heat exchanger 8 concern schematic diagram.
Tens to up to a hundred parallel inlets are arranged on the water spray surface channel of heat-exchangers of the plate type, water knockout drum 15 and 16 is correspondingly told the interface that bite type fast joint 17 is housed of as much, the corresponding evaporation channel of each interface, each interface connects a sparge pipe 18, two-dimentional water spray face of final formation, the heat exchange wall that guarantees each passage on whole plate type air-air heat exchanger is cloth full water and form uniform moisture film equably all, and the inner core material wall of working air-air heat exchanger is done hydrophilic treated or selected water wetted material.
Another kind of sparge pipe connected mode of the present invention is that distributive pipe 15 and 16 is replaced with a secondary guide rail, and jet pipe directly connects water pump, and sparge pipe is moved reciprocatingly on guide rail by motor-driven, scans whole water spray feeder connection face, makes whole heat exchanger water distribution uniformity.This guide rail movement replaces the technical scheme of fixing two dimension water spray face, and those skilled in the art can adopt existing knowledge and technology to realize, does not provide accompanying drawing here.
Fig. 5 shows that whole water system adds the latter linked stereogram of plate type air-air heat exchanger.The current flow process of water distribution system is that the water of sparge pipe 18 ejections falls on the wooden partition face of corresponding evaporation channel, and under the gravity effect, flow downward, on whole wall, form moisture film, the evaporation of a shower water part, the water that a part does not evaporate flows into water tank 9 at last, again filter 22, suction hose 12, water pump 11, flow pipe 13 and 14, water knockout drum 15 and 16, the bite type fast joint 17 by the pump sump mouth, get back to sparge pipe 18 at last, finish the circulation of a water.
In order to form continuous comprehensive water distribution, the aperture of sparge pipe punching 19 of the present invention is 0.2～0.3 millimeter, and sparge pipe axial hole spacing is 3～5 millimeters.The angle in two holes on the radial circumference is decided according to the distance and the path clearance of sparge pipe and heat exchanger passages inlet, is as the criterion to guarantee that the current that penetrate in these two holes drop on two apparent surfaces of two adjacent in evaporation channel passages.It is abundant to prolong the axial arranged punching quantity of water pipe, to guarantee whole passage water spray is arranged all.In the bite type fast joint 17 in shutoff of sparge pipe, insertion water knockout drum.
Tiny, the enormous amount of punching 19 pipe eyes on the sparge pipe, the aluminum pipe of 0.15 millimeter wall thickness of employing can accomplish to take into account the economy of overall mechanical strength and punching process, also can adopt other metals or non-metallic material to make.Active, the oxidation easily of aluminium matter sparge pipe character, the metal that has other in the whole water system, for example the cast iron in the water pump 11, brass or the stainless steel in the water knockout drum 15 and 16 form galvanic effect in water after linking together, aluminum pipe is corroded at first, and this is a kind of electrochemical corrosion.Therefore, aluminum pipe need be isolated with other metals.Brass anchor ear in the cutting ferrule fast joint 17 that the present invention at first will be joined with aluminum pipe makes corresponding one to two O type circle 20 into, the Metal Contact that has completely cut off aluminum pipe and fast joint like this, flexibly connects the excellent effect of anti-vibration etc. at easy for installation in addition, reusable simultaneously, good airproof performance.
Secondly, water spray aluminum pipe outer wall is applied polytetrafluoroethylene film or waterproof paint in the part 21 that contacts with cutting ferrule, form the insulating barrier below 0.05 millimeter, block aluminum pipe and directly contact, eliminate galvanic effect with other metal.
Because aluminum pipe character is active, sparge pipe 18 integral body that the present invention processes punching are carried out the processing of chromic salt chemical plating, and the diaphragm of formation can make the resistance to chemical attack that improves aluminum pipe to a great extent.
Putting into an amount of sodium polyphosphate when sparge pipe has the knot humiliation in recirculated water is main softening agent, or directly adopt the toilet cleaner series products, fouling is melted, and upgrade by 24 pairs of recirculated waters of the draining pump in the water tank, make outside the high concentration ion water discharge system, the renewal of recirculated water regularly can guarantee the lasting operation of water system.
Because the diameter of the water spray eye 19 of water spray aluminum pipe has only 0.2～0.3 millimeter, therefore in corresponding air path system, need to do air cleaning and filter, stop up water filter 22 to avoid impurity to fall into the water.
The present invention is at the filter cartridge 22 of the stainless steel screen pack of device about 80 orders on the water sucking mouth of water circulating pump, and in the box body bottom opening and mix internal thread connecting thread 31, the place covers with stainless steel screen pack 29 at the box body upper opening, forms water filtration box 22.Box body 30 and strainer cover 28 are plastics, and screen pack 29 can be changed.This filter cartridge can guarantee that the floating thing in the recirculated water is not sucked by water pump, prevents to stop up the water spray eye of sparge pipe.
In order to suppress the harm of organism in water, adopt known non-oxide bactericide, biocide in the recirculated water, also can be by the recirculated water inhibition biohazard of more newly arriving, because the recirculated water total amount is very little in the native system, adopting recirculated water of renewal in a day is both economical feasible mode.
As common practise, also have water tank 9 in the water system of the present invention, go up water ball-cock assembly 23, gap 25, draining observe meter 7, play water fender 10, water pump 11 and the water pipe 13,14 of steam and aqueous water centrifugation with immersible pump 24, water level, be not described further here.
It is emphasized that a large amount of evaporations of recirculated water send out, the ion concentration of water can increase, in order to improve the service life of water system pipeline and equipment, immersible pump in the water tank is regularly outwards got rid of recirculated water in the water tank, and water charging system replenishes new water automatically, keeps the lasting operation of system.
The water spray eye gathers on the water-locator sparge pipe of the present invention, the waterline of ejection falls on the evaporation channel evaporating surface, whole water-locator forms a two-dimentional water spray face, make whole heat-transfer surfaces uniform water distribution all of heat-exchangers of the plate type, because pipe eyelet footpath is tiny, water distribution is multi-point and wide-ranging, finally obtains the beneficial effect that the cloth water area increases, pump energy consumption reduces, the recirculated water consumption reduces.
Using coating polytetrafluoroethylene film 21 on O type rubber ring 20 and the aluminum pipe on the quick change pipe joint 17, avoided the galvanic effect in the water circuit system to the aluminum pipe corrosiveness; The chemical deposit of aluminum pipe and water treatment have improved the protection to chemical fouling; The filter cartridge of pump sump mouth has guaranteed not stop up material and has stopped up the water spray eye; System architecture of the present invention and technology have realized the whole quick change of sparge pipe and filter cartridge.Comprehensive these, the present invention is to the low cost operation of water system and safeguard that good useful effect is arranged.
Description of drawings
Fig. 1 is the stereogram of plate type air-air heat exchanger.
Fig. 2 is that water-locator sparge pipe and heat exchanger position concern schematic diagram.
Fig. 3 is the stereogram of water distribution system and heat exchanger.
Fig. 4 is the branch water among Fig. 3, the upward view of water distribution system.
Fig. 5 is the stereogram that the spray water distribution system in the plate type indirect evaporation cooling system adds heat-exchangers of the plate type.
Fig. 6 is the fast joint unit among Fig. 4 and the stereogram of sparge pipe unit.
Fig. 7 is the fast joint unit among Fig. 6 and the explosive view of sparge pipe blank area.
Fig. 8 is that the Lower Half among Fig. 5 is the front view of water tank and water pump part, and water tank has partly removed the water tank front side board.
Fig. 9 is the explosive view of the water filter among Fig. 8.
1. return air air-flows are in the porch of heat exchanger water spray passage among the figure, 2. the return air air-flow is in heat exchanger inside and exit, the return air air-flow in water tank through deflector generation directional steering place, 4. the return air air-flow passes water fender and leaves the system place, 5. new general mood stream is in the porch of the new wind passage of heat exchanger, 6. new general mood stream is in the exit of the new wind passage of heat exchanger, 7. cistern water level indicating gage, 8. plate type air-air heat exchanger, 9. water tank, 10. water fender, 11. water pumps, 12. water pump suction pipes, 13. left water distribution system water-supply-pipe, 14. right water distribution system water-supply-pipe, 15. right water distribution system water knockout drums, 16. left water distribution system water knockout drums, 17. bite type fast joint, 18. the water spray aluminum pipe, the punching on the 19. water spray aluminum pipes is used for water spray, 20. the O type circle in the bite type fast joint, 21. the polytetrafluoroethylene film on the aluminum pipe, the water filter in 22. water tanks on the pump sump mouth, the ball-cock assembly in 23. water tanks on the water inlet, 24. the draining immersible pump in the water tank, 25. the spillway hole on the water tank, the osculum on 26. water tanks, the deflector in 27. water tanks, 28. water filter lid, 29. water filter screen pack, 30. water filter box bodys, the water of 31. water filters bottoms are received son.
The specific embodiment
Embodiment one
Embodiment one is to utilize water spray subsystem of the present invention, plate type air-air heat exchanger, blower fan, frame structure, panel, air cleaner and control system etc., constitutes incorporate air handling system.Fig. 5 is the water system of embodiment one and the 3 dimensional drawing of part wind system, and remainder belongs to known structure of those skilled in that art and technology, does not draw.
Fig. 5 has shown the critical piece of plate type air-air heat exchanger 8 and whole water system.New wind blower fan is introduced heat exchanger with outdoor new wind from 5.New wind such as carries out at wet temperature-fall period in interchanger inside, the cold of its acquisition comes from the sensible heat that the water evaporation produces in the return air channel evaporation humid enthalpy and indoor return air and the temperature difference of new wind transmit and reclaims in interchanger, new wind is reduced to the wet-bulb temperature of return air air-flow through plate type air-air heat exchanger 8 back temperature.The new wind of handling 6 directly is sent to indoor, for the interior space provides cheap new wind fresh and low energy consumption.
Return air enters plate type air-air heat exchanger from 1 in the return air fan drive chamber, return air promotes the moisture film of return air channel heat exchanger surface in the heat exchanger to evaporate, make water film temperature near return air wet-bulb temperature, and make new wind-warm syndrome degree in the new wind passage of partition by the heat exchanger wall near the temperature of moisture film.Return air separates with recirculated water by water fender 10 through changing direction through deflector 27 behind the over-heat-exchanger in water tank, finally discharges outdoor through return air point 4.
The cyclic process of water system as shown in Figure 5, recirculated water is sucked from water tank by suction hose 12 by water pump 11, at first pass through the water filter 22 of water sucking mouth during this time, recirculated water is divided into two-way then, by water-supply- pipe 13 and 14, give water knockout drum 15 and 16 respectively, many fast joints 17 are arranged on each water knockout drum, connect a sparge pipe 18 on each fast joint, the quantity of distributive pipe is the same with the quantity of heat exchanger air inlet, the water spray eyes 19 that two rows are arranged on each sparge pipe, these water spray eyes form as a water distribution dot matrix as shown in Fig. 2 and Fig. 4.This water spray dot matrix sprays the different angles water silk of diameter 0.3 millimeter under the pressure of water pump, directly water on the heat-exchangers of the plate type wall, makes the evaporating surface of whole heat exchanger be covered with moisture film.Moisture film flows under the influence of gravity into water tank 9, and separates with return air at water fender 10 places, finishes a water circulation.
Being characterized as of sparge pipe and the punching on it, 6 millimeters of aluminum pipe diameters, 0.15 millimeter of wall thickness, 0.2～0.3 millimeter in aperture, the axial spacing of punching is 3～5 millimeters.
Sparge pipe seals with adopting O type circle being connected of fast joint, applies polytetrafluoroethylene film at the water spray aluminum pipe with the contacted place of other metals simultaneously, to reach the not purpose of formation galvanic corrosion on aluminum pipe.
Immersible pump in the water tank regularly upgrades recirculated water by the time, to reach the purpose that lowers the recirculated water ion concentration.
Water filter in the water tank adopts and the corresponding silk screen density of sparge pipe punching, is filtered to guarantee the floating thing in the water, can not stop up water jet.
Integral body is carried out the processing of chromic salt chemical plating after the moulding of aluminum pipe sparge pipe, the diaphragm of formation, the ability of raising aluminum pipe resist chemical.
If sparge pipe has the knot humiliation, putting into an amount of sodium polyphosphate in recirculated water is main softening agent, or directly adopt the toilet cleaner series products, fouling is melted, and upgrade by 24 pairs of recirculated waters of the draining pump in the water tank, make outside the high concentration ion water discharge system, the renewal of recirculated water regularly can guarantee the lasting operation of water system.
Embodiment two
Basic structure is the same with embodiment one, just distributive pipe 15 and 16 is changed into a secondary guide rail, and one or more sparge pipes directly are connected on the water pump, and under motor-driven, sparge pipe is finished the water distribution of whole return air inlet equally along guide rail shuttle-scanning on water jet.As long as adjust the scan frequency of guide rail, make it at interval less than the water evaporation time in the heat exchanger, can realize same whole water distribution comprehensively, and produce the effect of saving pump energy consumption more and reducing the quantity of circulating water use amount.This guide rail sweep mechanism belongs to common electromechanical structure, and concrete schematic diagram does not draw.
Claims (9)
1. the spray water distribution system in the plate type indirect evaporation cooling system, comprise plate type air-air heat exchanger, water knockout drum, water-locator and filter, a corresponding to elongated tubular of evaporation channel air inlet that it is characterized in that water-locator employing and plate type air-air heat exchanger is as sparge pipe, sparge pipe has two row's punchings towards a side of evaporation channel inlet along axis direction, and the waterline of two row's opened with certain angle of its ejection is dropped on two apparent surfaces of two adjacent in plate type air-air heat exchanger evaporation channel passages.
2. spray water distribution system as claimed in claim 1 is characterized in that sparge pipe passes through the bite type fast joint and links to each other with water knockout drum, and the inside of bite type fast joint seals pipe joint with two O type circles and is flexible fixing.
3. spray water distribution system as claimed in claim 1 is characterized in that sparge pipe applies polytetrafluoroethylene film or other waterproof insulation coatings at the part surface that contacts with the bite type fast joint, and the conduction of blocking-up sparge pipe and other metals contacts.
4. spray water distribution system as claimed in claim 1, it is characterized in that sparge pipe is connected with the water inlet of water tank with pipeline by water pump, on water inlet, install water filter, the width of mesh of filter is corresponding with sparge pipe punching size, foreign material enter sparge pipe in the anti-sealing, stop up hole for water spraying.
5. spray water distribution system as claimed in claim 1, a plurality of bite type fast joints are arranged on the water knockout drum that it is characterized in that joining with sparge pipe, the evaporation channel of the corresponding slatted air-air heat exchanger of each bite type fast joint, all evapn passage that forms whole interchanger carries out fixing one to one spray.
6. spray water distribution system as claimed in claim 5, it is characterized in that replacing with into a secondary guide rail with the water knockout drum that sparge pipe joins, water pump directly links to each other with one or 2～3 sparge pipes, sparge pipe is installed on the guide rail, under motor-driven, sparge pipe is realized off and on all evapn passage being sprayed along the guide rail shuttle-scanning.
7. spray water distribution system as claimed in claim 1, it is characterized in that sparge pipe is an aluminum pipe, 6 millimeters of aluminum pipe diameters, 0.15 millimeter of aluminum pipe wall thickness, punching hole diameter on the aluminum pipe is between 0.2～0.3 millimeter, the axial spacing of punching is between 3～5 millimeters, and the axial range of punching is as the criterion to cover whole evaporation channel.
8. spray water distribution system as claimed in claim 1 is characterized in that sparge pipe is an aluminum pipe, and the aluminum pipe after the punching processing carries out surface conversion coating with chromic salt to be handled, and improves the resistance to chemical attack of sparge pipe.
9. spray water distribution system as claimed in claim 1 is characterized in that sparge pipe has at water jet under the situation of chemical fouling, and the softening agent that adds the sodium polyphosphate class in recirculated water carries out ablation process to incrustation scale.
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| CN107702558B (en) * | 2017-09-07 | 2019-12-03 | 天津大学 | A kind of cooling means and device of fluid |
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| CN114279006A (en) * | 2020-09-27 | 2022-04-05 | 中兴通讯股份有限公司 | Refrigeration control method and device, indirect evaporative cooling air conditioner and storage medium |
| CN113932316A (en) * | 2021-10-19 | 2022-01-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Air conditioning equipment and control method thereof, nonvolatile storage medium and processor |
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