CN203116197U - Two-level precooling evaporative cooling water chilling unit - Google Patents

Two-level precooling evaporative cooling water chilling unit Download PDF

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Publication number
CN203116197U
CN203116197U CN 201320033207 CN201320033207U CN203116197U CN 203116197 U CN203116197 U CN 203116197U CN 201320033207 CN201320033207 CN 201320033207 CN 201320033207 U CN201320033207 U CN 201320033207U CN 203116197 U CN203116197 U CN 203116197U
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CN
China
Prior art keywords
water
cooler
filler
unit shell
chilling units
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CN 201320033207
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Chinese (zh)
Inventor
黄翔
郝航
邱佳
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西安工程大学
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Priority to CN 201320033207 priority Critical patent/CN203116197U/en
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Publication of CN203116197U publication Critical patent/CN203116197U/en

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Abstract

The utility model discloses a two-level precooling evaporative cooling water chilling unit which comprises a unit shell body, two tubular indirect evaporative coolers with the same structure are symmetrically arranged on the left side and the right side in the unit shell body, a direct evaporative cooler is arranged between the two tubular indirect evaporative coolers, an air conditioner tail end is arranged outside the unit shell body, and the air conditioner tail end is connected with the direct evaporative cooler in the unit shell body through a pipe network. According to the two-level precooling evaporative cooling water chilling unit, all function sections are compact in structure, an air cooler and the indirect evaporative coolers are reasonable in arrangement form, and evaporative cooling efficiency is high.

Description

A kind of two-stage precooling evaporative cooling handpiece Water Chilling Units
Technical field
The utility model belongs to the operation of air conditioning systems technical field, relate to a kind of two-stage precooling evaporative cooling handpiece Water Chilling Units, be specifically related to a kind of evaporative cooling handpiece Water Chilling Units that is composited by roughing efficiency air filter, tube type indirect evaporative cooler, aerial cooler and direct evaporative cooler.
Background technology
Dry air can be very abundant in the NORTHWEST CHINA area as a kind of regenerative resource, utilize favourable climate characteristic also fully in conjunction with the Evaporative Cooling Air Conditioning technology, rationally utilize the principle of dry air energy to produce cold wind (cold water), can alleviate the energy resource consumption of China to a certain extent.
At present, the Evaporative Cooling Air Conditioning technology has obtained certain progress in China's development, and domestic and international many scholars continually develop, study the evaporative cooling handpiece Water Chilling Units, achieves initial success, and the Evaporative Cooling Air Conditioning technology is used comparatively extensive in the NORTHWEST CHINA area.But existing evaporative cooling handpiece Water Chilling Units is produced high temperature cold water and is still had a little weak point, and for example unit appearance and size is bigger, and compactedness is perfect inadequately; The setting of each functional section fails to bring into play preferably its effect, is arranged in before the indirect evaporation cooler as aerial cooler, and so arrangement is perfect inadequately, causes aerial cooler and tube type indirect evaporative cooler efficient to decrease, and cooling extent is limited.
Summary of the invention
The purpose of this utility model is to provide a kind of two-stage precooling evaporative cooling handpiece Water Chilling Units, and the arrangement of each functional section compact conformation, aerial cooler and indirect evaporation cooler is reasonable in this handpiece Water Chilling Units, evaporative cooling efficient height.
The technical scheme that the utility model adopts is, a kind of two-stage precooling evaporative cooling handpiece Water Chilling Units, include machine unit shell, the left and right sides is symmetrically arranged with the identical tube type indirect evaporative cooler of structure in the machine unit shell, be provided with direct evaporative cooler between two tube type indirect evaporative coolers, the machine unit shell outer setting has air conditioning terminal, and air conditioning terminal is connected with direct evaporative cooler in the machine unit shell by pipe network.
Characteristics of the present utility model also are,
Tube type indirect evaporative cooler, include set of heat exchange tubes, the top of set of heat exchange tubes is disposed with filler a, water-distributing device a, water fender a and centrifugal blower, and the bottom of set of heat exchange tubes is provided with water tank a, water tank a is connected with water-distributing device a by water pipe, and water pipe also is provided with water pump a and valve.
The corresponding machine unit shell sidewall of centrifugal blower is provided with exhaust outlet.
The corresponding machine unit shell sidewall of tube type indirect evaporative cooler is provided with inspection door, and inspection door is provided with air inlet, is provided with roughing efficiency air filter between air inlet and the tube type indirect evaporative cooler.
Direct evaporative cooler, include filler b, the top of filler b is disposed with water-distributing device b, water fender b and blower fan, the machine unit shell roof of blower fan correspondence is provided with the air port, the bottom of filler b is provided with water tank b, the bilateral symmetry of filler b is provided with the identical aerial cooler of structure, water tank b is connected with outlet pipe, outlet pipe is connected with two exit branch, an exit branch is connected with an aerial cooler of homonymy, two aerial coolers also are connected with water-distributing device b by the water inlet arm respectively, and outlet pipe is provided with water pump b.
Filler b comprises two parts up and down, and the filler c on top is square, and the filler d of bottom becomes del, and the bilateral symmetry of filler d is provided with aerial cooler.
Pipe network structure between air conditioning terminal and the direct evaporative cooler is: air conditioning terminal is by difference water inlet pipe G 1, water inlet pipe G 2Be connected with the two ends of water-distributing device b, air conditioning terminal also by return pipe respectively with outlet pipe, exit branch G 3, exit branch G 4Connect.
The beneficial effects of the utility model are:
1) evaporative cooling handpiece Water Chilling Units of the present utility model is in conjunction with thermal conduction study knowledge, after aerial cooler is arranged on tube type indirect evaporative cooler, the cold water that serviceability temperature is lower cools off through the tube type indirect evaporative cooler precooled air, and cooling effect is better, is a kind of comparatively reasonably arrangement;
2) overfire air fan in the tube type indirect evaporative cooler adopts centrifugal blower in the evaporative cooling handpiece Water Chilling Units of the present utility model, both guaranteed the required pressure of auxiliary air side heat exchange, exhaust outlet is arranged on the handpiece Water Chilling Units side simultaneously, has reduced pollutant enters this functional section of handpiece Water Chilling Units internal influence from the air port cooling effect and water quality;
3) evaporative cooling handpiece Water Chilling Units functional section of the present utility model is arranged compactly, and air inlet is arranged on the unit two ends, and air inlet is arranged on the inspection door, and the machine packet size reduces to some extent.
Description of drawings
Fig. 1 is the structural representation of the utility model two-stage precooling evaporative cooling handpiece Water Chilling Units;
Fig. 2 is the left view of the utility model two-stage precooling evaporative cooling handpiece Water Chilling Units.
Among the figure, 1. water tank a, 2. water pump a, 3. roughing efficiency air filter, 4. tube type indirect evaporative cooler, 5. valve, 6. filler a, 7. water-distributing device a, 8. water fender a, 9. exhaust outlet, 10. water-distributing device b, 11. water fender b, 12. blower fans, 13. direct evaporative coolers, 14. water tank b, 15. air conditioning terminals; 16. water pump b, 17. aerial coolers, 18. inspection doors, 19. air inlets, 20. centrifugal blowers, 21. water pipes, 22. outlet pipes, 23. water inlet arms, 24. return pipes, 25. filler c, 26. filler d.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The structure of two-stage precooling evaporative cooling handpiece Water Chilling Units of the present utility model, its structure as shown in Figure 1, include machine unit shell, the left and right sides is symmetrically arranged with the identical tube type indirect evaporative cooler of structure in the machine unit shell, be provided with direct evaporative cooler between two tube type indirect evaporative coolers, the machine unit shell outer setting has air conditioning terminal 15, and air conditioning terminal 15 is connected with direct evaporative cooler in the machine unit shell by pipe network.
Tube type indirect evaporative cooler includes set of heat exchange tubes 4, and the top of set of heat exchange tubes 4 is disposed with filler a6, water-distributing device a7, water fender a8 and centrifugal blower 20, as shown in Figure 2.The bottom of set of heat exchange tubes 4 is provided with water tank a1, and water tank a1 is connected with water-distributing device a7 by water pipe 21, and water pipe 21 also is provided with water pump a2 and valve 5; Centrifugal blower 20 corresponding machine unit shell sidewalls are provided with exhaust outlet 9; The corresponding machine unit shell sidewall of tube type indirect evaporative cooler is provided with inspection door 18, and inspection door 18 is provided with air inlet 19, and the machine packet size reduces to some extent; Be provided with roughing efficiency air filter 3 between tube type indirect evaporative cooler and the air inlet 19.
Direct evaporative cooler, include filler b13, the top of filler b13 is disposed with water-distributing device b10, water fender b11 and blower fan 12, the machine unit shell roof of blower fan 12 correspondences is provided with the air port, the bottom of filler b13 is provided with water tank b14, the bilateral symmetry of filler b13 is provided with the identical aerial cooler of structure 17, water tank b14 is connected with outlet pipe 22, outlet pipe 22 is connected with two exit branch, an exit branch is connected with an aerial cooler 17 of homonymy, two aerial coolers 17 also are connected with water-distributing device b10 by water inlet arm 23 respectively, and outlet pipe 22 is provided with water pump b16.
Filler b13 includes two parts filler up and down, and the filler c25 on top is square, and the filler d26 of bottom becomes del, and the bilateral symmetry of filler d26 is provided with aerial cooler 17.
Pipe network structure between air conditioning terminal 15 and the direct evaporative cooler is: air conditioning terminal 15 is by difference water inlet pipe G 1, water inlet pipe G 2Be connected with the two ends of water-distributing device b10, air conditioning terminal 15 also by return pipe 24 respectively with outlet pipe 22, exit branch G 3, exit branch G 4Connect.
Outdoor new wind enters in the handpiece Water Chilling Units of the present utility model, filter through 3 pairs of new wind of roughing efficiency air filter earlier, enter then and carry out precooling treatment in the tube type indirect evaporative cooler, mainly air is carried out etc. but clammy, its wet and dry bulb temperature is reduced, enter again afterwards that aerial cooler 17 is further etc. clammyly but to be handled, its wet and dry bulb temperature is further reduced, take out high temperature cold water by carrying out the wet exchange system of heat with direct evaporative cooler again, air after heat exchange is finished is being discharged outside the machine unit shell under the effect of blower fan 12, and the high temperature cold water of producing is delivered to air conditioning terminal 15 by water pump b16 by pipe network and carried out cooling in water tank b14; Wherein the cold water of aerial cooler 17 precooled airs comes from the high temperature cold water that this handpiece Water Chilling Units is produced, temperature is lower, be used for handling the air through after the tube type indirect evaporative cooler precooling treatment, after in conjunction with thermal conduction study countercurrent flow principle, logarithmic mean temperature difference (LMTD) knowwhy it being arranged in tube type indirect evaporative cooler, comparing and be arranged in tube type indirect evaporative cooler heat exchange better effects if before, is a kind of comparatively reasonably arrangement.
Auxiliary air adopts outdoor air to pass through outside set of heat exchange tubes 4 in the tube type indirect evaporative cooler, overfire air fan wherein adopts centrifugal blower 20, guarantee the blast of tube type indirect evaporative cooler auxiliary air side, exhaust outlet 9 is arranged on the machine unit shell side simultaneously, has reduced pollutant enters this functional section of machine unit shell internal influence from exhaust outlet cooling effect and water quality; Recirculated water reduces the trickle temperature by one deck filler a6 earlier, absorbs the temperature of primary air in the set of heat exchange tubes 4 then with the auxiliary air heat exchange; The high temperature cold water that cold water in the aerial cooler 17 is produced from this unit can be to the further precooling treatment of air; Air after the clammy but processing such as the air of handling the pipe network backwater in the direct evaporative cooler is carries out the wet exchange of heat with recirculated water, and the high temperature cold water of producing is inferior wet-bulb temperature high temperature cold water, guarantees the cold water water temperature of air conditioning terminal 15.
The course of work of two-stage precooling evaporative cooling handpiece Water Chilling Units wind system of the present utility model:
When moving this handpiece Water Chilling Units, outdoor new wind enters in the machine unit shell to enter in the tube type indirect evaporative cooler etc. through roughing efficiency air filter 3 and clammyly but handles, enter aerial cooler 17 further precooling treatment again, the air of the inferior wet-bulb temperature that comes out from aerial cooler 17 enters in the direct evaporative cooler 13, carry out the wet exchange of heat with spray recirculated water, processing procedure is equal-enthalpy humidifying, and the air after heat exchange is finished is having the air port to discharge outside the handpiece Water Chilling Units under the effect of blower fan 12.
In the handpiece Water Chilling Units of the present utility model in the tube type indirect evaporative cooler auxiliary air outside set of heat exchange tubes 4, pass through, carry out the wet exchange of heat with set of heat exchange tubes 4 outer moisture films, discharging outside the handpiece Water Chilling Units from unit case side face exhaust outlet 9 under the effect of centrifugal blower 20.
The water system course of work of level precooling evaporative cooling handpiece Water Chilling Units of the present utility model:
The water system of tube type indirect evaporative cooler:
The recirculated cooling water of water tank a1 in the tube type indirect evaporative cooler is managed outer trickle through water pump a1, valve 5 by water-distributing device a7, carries out the wet exchange of heat with auxiliary air, and recirculated water flow in the water tank a1 along set of heat exchange tubes 4 outer walls, repetitive cycling.
The water system of aerial cooler 17:
During aerial cooler 17 operations, the high temperature cold water that the cold water of institute's precooled air is produced from this handpiece Water Chilling Units, temperature raise after heat exchange was finished, and the water-distributing device b10 that gets back in the direct evaporative cooler by pipe network sprays repetitive cycling.
The water system of direct evaporative cooler:
During the direct evaporative cooler operation, backwater sprays by two water inlet arms 23, in direct evaporative cooler, carry out the wet exchange of heat with the air of inferior wet-bulb temperature and produce high temperature cold water, the cold water of producing flows among the water tank b14, supply with air conditioning terminal 15 refrigeration, repetitive cycling by water pump b16 through pipe network then.
Handpiece Water Chilling Units of the present utility model not only each functional section structure is comparatively compact, use the double flash evaporation cooler that air is carried out precooling treatment, produce the high temperature cold water better effects if, and comparatively reasonably arrange the position of aerial cooler and indirect evaporation cooler, make the evaporative cooling handpiece Water Chilling Units further be optimized, the unit range of application is wider.

Claims (7)

1. two-stage precooling evaporative cooling handpiece Water Chilling Units, it is characterized in that, include machine unit shell, the left and right sides is symmetrically arranged with the identical tube type indirect evaporative cooler of structure in the described machine unit shell, be provided with direct evaporative cooler between two tube type indirect evaporative coolers, described machine unit shell outer setting has air conditioning terminal (15), and described air conditioning terminal (15) is connected with direct evaporative cooler in the described machine unit shell by pipe network.
2. two-stage precooling evaporative cooling handpiece Water Chilling Units according to claim 1, it is characterized in that, described tube type indirect evaporative cooler, include set of heat exchange tubes (4), the top of described set of heat exchange tubes (4) is disposed with filler a(6), water-distributing device a(7), water fender a(8) and centrifugal blower (20), the bottom of described set of heat exchange tubes (4) is provided with water tank a(1), described water tank a(1) by water pipe (21) and described water-distributing device a(7) be connected, described water pipe (21) also is provided with water pump a(2) and valve (5).
3. two-stage precooling evaporative cooling handpiece Water Chilling Units according to claim 2 is characterized in that, the corresponding machine unit shell sidewall of described centrifugal blower (20) is provided with exhaust outlet (9).
4. two-stage precooling evaporative cooling handpiece Water Chilling Units according to claim 1 and 2, it is characterized in that, the corresponding machine unit shell sidewall of described tube type indirect evaporative cooler is provided with inspection door (18), described inspection door (18) is provided with air inlet (19), is provided with roughing efficiency air filter (3) between described air inlet (19) and the described tube type indirect evaporative cooler.
5. two-stage precooling evaporative cooling handpiece Water Chilling Units according to claim 1, it is characterized in that, described direct evaporative cooler, include filler b(13), described filler b(13) top is disposed with water-distributing device b(10), water fender b(11) and blower fan (12), the machine unit shell roof that described blower fan (12) is corresponding is provided with the air port, described filler b(13) bottom is provided with water tank b(14), described filler b(13) bilateral symmetry is provided with the identical aerial cooler of structure (17), described water tank b(14) is connected with outlet pipe (22), described outlet pipe (22) is connected with two exit branch, an exit branch is connected with an aerial cooler (17) of homonymy, two aerial coolers (17) are also respectively by water inlet arm (23) and described water-distributing device b(10) be connected, described outlet pipe (22) is provided with water pump b(16).
6. two-stage precooling evaporative cooling handpiece Water Chilling Units according to claim 5, it is characterized in that, described filler b(13) comprises two parts up and down, the filler c(25 on top) is square, the filler d(26 of bottom) become del, filler d(26) bilateral symmetry be provided with aerial cooler (17).
7. two-stage precooling evaporative cooling handpiece Water Chilling Units according to claim 1 or 5 is characterized in that the pipe network structure between described air conditioning terminal (15) and the described direct evaporative cooler is: described air conditioning terminal (15) is by water inlet pipe G respectively 1, water inlet pipe G 2With described water-distributing device b(10) two ends be connected, described air conditioning terminal (15) also by return pipe (24) respectively with described outlet pipe (22), exit branch G 3, exit branch G 4Connect.
CN 201320033207 2013-01-22 2013-01-22 Two-level precooling evaporative cooling water chilling unit CN203116197U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201320033207 CN203116197U (en) 2013-01-22 2013-01-22 Two-level precooling evaporative cooling water chilling unit

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103604179A (en) * 2013-11-21 2014-02-26 新疆绿色使者干空气能源有限公司 Composite cooling device capable of being operated under multiple weather conditions
CN105020807A (en) * 2015-07-06 2015-11-04 西安工程大学 Supercooling heat pump type solution humidification and evaporation cooling compounded air conditioning system
CN105387543A (en) * 2015-11-19 2016-03-09 农继荣 Combined type evaporative cooling unit
CN107894044A (en) * 2017-10-26 2018-04-10 西安工程大学 Suitable for the natural cooling air-conditioner set of data center of the Northwest
CN109751689A (en) * 2018-12-25 2019-05-14 西安工程大学 Integral type two-stage indirect evaporating-cooling water cooler
CN109855218A (en) * 2019-02-25 2019-06-07 昆山台佳机电有限公司 Integrated enclosed evaporates cooling-condensation water cooler
CN109945358A (en) * 2019-02-26 2019-06-28 珠海格力电器股份有限公司 A kind of water cooler and air-conditioning

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103604179A (en) * 2013-11-21 2014-02-26 新疆绿色使者干空气能源有限公司 Composite cooling device capable of being operated under multiple weather conditions
CN105020807A (en) * 2015-07-06 2015-11-04 西安工程大学 Supercooling heat pump type solution humidification and evaporation cooling compounded air conditioning system
CN105020807B (en) * 2015-07-06 2018-10-02 西安工程大学 It crosses cold mould heat-pump-type solution humidifying and evaporates cooling combined air-conditioning system
CN105387543A (en) * 2015-11-19 2016-03-09 农继荣 Combined type evaporative cooling unit
CN107894044A (en) * 2017-10-26 2018-04-10 西安工程大学 Suitable for the natural cooling air-conditioner set of data center of the Northwest
CN109751689A (en) * 2018-12-25 2019-05-14 西安工程大学 Integral type two-stage indirect evaporating-cooling water cooler
CN109855218A (en) * 2019-02-25 2019-06-07 昆山台佳机电有限公司 Integrated enclosed evaporates cooling-condensation water cooler
CN109945358A (en) * 2019-02-26 2019-06-28 珠海格力电器股份有限公司 A kind of water cooler and air-conditioning
CN109945358B (en) * 2019-02-26 2020-03-27 珠海格力电器股份有限公司 Water chilling unit and air conditioner

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Granted publication date: 20130807

Termination date: 20140122