CN109458684B - Evaporative cooling system - Google Patents
Evaporative cooling system Download PDFInfo
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- CN109458684B CN109458684B CN201811237064.8A CN201811237064A CN109458684B CN 109458684 B CN109458684 B CN 109458684B CN 201811237064 A CN201811237064 A CN 201811237064A CN 109458684 B CN109458684 B CN 109458684B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Central Air Conditioning (AREA)
Abstract
The invention relates to an evaporative cooling system, which comprises an evaporative cooling high-temperature water chilling unit arranged outside a building, and an evaporative air conditioner system and a dry-type fan coil system which are arranged inside the building, wherein the evaporative air conditioner system and the dry-type fan coil system are connected with the evaporative cooling high-temperature water chilling unit to form a closed circulating water pipe network. The evaporative cooling system can widen the application range of evaporative cooling technology, reduce the influence of outdoor weather conditions on the use effect of the evaporative air conditioner, better realize the gradient utilization of energy and reduce the energy waste.
Description
Technical Field
The invention belongs to the technical field of air conditioning equipment, and particularly relates to an evaporative cooling system.
Background
For an evaporative air conditioner applied to buildings, although the evaporative air conditioner achieves the purposes of energy conservation and emission reduction and can meet the requirements of indoor comfortable environment, the evaporative air conditioner has the influence on the humidification of the indoor environment and is not suitable for some places with certain requirements on indoor humidity; for the fan coil system applied to the buildings, most of cold sources come from a low-temperature water chilling unit, the water supply temperature is about 7 ℃, when cold water at the temperature is introduced into the fan coil, condensed water can be separated out indoors, bacteria can be easily bred at the position of a condensing coil, and the quality of air blown out after being processed by the fan coil system is greatly influenced.
With the wide application of the evaporative cooling technology, the evaporative cooling high-temperature water chilling unit utilizes water as a processing object, so that the problems of air pollution, high COP value and the like are avoided, high-temperature cold water at 18 ℃ can be generated, a condensing coil is not needed, bacteria cannot grow, and the air quality is improved while the energy is saved. The water of the evaporative cooling high-temperature water chilling unit is directly introduced into the evaporative air cooler, outdoor fresh air which is cooled and dehumidified is sent into the room, certain control can be carried out on indoor humidity, the installation of a condensing coil can be omitted by matching the dry type fan coil system indoors, bacteria are prevented from breeding, and the indoor air quality is guaranteed.
Disclosure of Invention
The invention aims to provide an evaporative cooling system which can reduce the influence of outdoor weather conditions on the use effect of an evaporative air conditioner, so that the system can better realize the gradient utilization of energy and reduce the energy waste.
The evaporative cooling system comprises an evaporative cooling high-temperature water chilling unit arranged outside a building, an evaporative air conditioner system and a dry type fan coil system arranged inside the building, wherein the evaporative air conditioner system and the dry type fan coil system are respectively connected with the evaporative cooling high-temperature water chilling unit and form a closed circulating water pipe network.
The present invention is also characterized in that,
the evaporative cooling high-temperature water chilling unit comprises a unit shell, wherein air inlets are formed in two opposite side walls of the unit shell, a direct evaporative cooler is arranged in the unit shell, an air outlet is formed in the top wall of the unit shell, which corresponds to the upper side of the direct evaporative cooler, an exhaust fan is arranged between the direct evaporative cooler and the air outlet, high-temperature surface coolers are respectively arranged on the left side and the right side of the direct evaporative cooler, and a filtering device is arranged between each high-temperature surface cooler and the air inlet on the same side; the direct evaporative cooler is respectively connected with a water supply main pipe and a water return main pipe, the water outlet of each high-temperature surface cooler is communicated with the water supply main pipe through a pipeline, and the water inlet of each high-temperature surface cooler is communicated with the water return main pipe through a pipeline; a water supply pump is arranged on the water supply main pipe; the evaporative air conditioner system is respectively connected with the water supply main pipe and the water return main pipe through pipelines, and the dry type fan coil pipe system is respectively connected with the water supply main pipe and the water return main pipe through pipelines.
The direct evaporative cooler comprises a circulating water tank arranged at the bottom of the unit shell, and a plant fiber filler b and a spraying device b are sequentially arranged above the circulating water tank; the spraying device b comprises a water distribution pipe b positioned below the exhaust fan, a plurality of spray heads are uniformly distributed on the water distribution pipe b, the water distribution pipe b is connected with a water return header pipe, and the bottom of the circulating water tank is communicated with a water supply header pipe.
The filtering device is a primary filter.
The water supply main pipe is provided with a valve b.
The evaporative air cooler system is composed of a plurality of evaporative air coolers, each evaporative air cooler is respectively communicated with a water supply branch pipe a and a water return branch pipe a through a pipeline, the water supply branch pipe a is communicated with a water supply main pipe, and the water return branch pipe a is communicated with a water return main pipe.
The evaporative air conditioner comprises a shell, wherein a water storage tank, a plant fiber filler a and a spraying device a are sequentially arranged in the shell from bottom to top, the spraying device a comprises a water distribution pipe a, a plurality of spray heads are uniformly distributed on the water distribution pipe a, the water distribution pipe a is communicated with a water supply branch pipe a through a pipeline, and the water storage tank is communicated with a water return branch pipe a through a pipeline; the top end of the shell is provided with an air supply outlet, and an air feeder is arranged in the air supply outlet.
The dry type fan coil system consists of a plurality of dry type fan coils, and the water inlet end of each dry type fan coil is communicated with the water supply main pipe through the water supply branch pipe b; and the water outlet end of each dry type fan coil is communicated with a water return main pipe through a water return branch pipe b.
The water supply branch pipe b is provided with a valve c.
The invention has the beneficial effects that:
(1) the evaporative cooling system expands the application range of the evaporative cooling technology, can reduce the influence of outdoor weather conditions on the use effect of the evaporative air conditioner, enables the system to better realize the gradient utilization of energy, and reduces the energy waste;
(2) the evaporative cooling high-temperature water chilling unit in the evaporative cooling system adopts a symmetrical modular structure, and is convenient to install and maintain;
(3) the dry type fan coil is adopted at the indoor tail end of the evaporative cooling system, so that condensate water is prevented from being separated out and a decorated roof is prevented from being damaged, and convenience is brought to maintenance and management after decoration;
(4) according to the evaporative cooling system, the evaporative cooling high-temperature water chilling unit adopts a two-stage evaporative cooling technology, and the generated high-temperature cold water can be used for supplying water to the evaporative air conditioner and the dry fan coil, so that the indoor cooling requirement can be met, and the energy waste can be reduced.
Drawings
FIG. 1 is a schematic diagram of an evaporative cooling system according to the present invention;
FIG. 2 is a schematic structural diagram of an evaporative cooling high-temperature chiller in the evaporative cooling system according to the present invention;
fig. 3 is a schematic structural diagram of an evaporative cooler in an evaporative cooling system according to the present invention.
In the figure, 1, an evaporative cooling high-temperature water chilling unit; 2. an evaporative air conditioner; 3. a water supply branch pipe a; 4. a return water branch pipe a; 5. a dry fan coil; 6. a tap water supply pipe; 7. a valve a; 8. a valve b; 9. a valve c; 10. an air supply outlet; 11. a blower; 12. a water distribution pipe a; 13. a plant fiber filler a; 14. a water storage tank; 15. an exhaust fan; 16. an air outlet; 17. a water distribution pipe b; 18. a plant fiber filler b; 19. a high-temperature surface cooler; 20. a filtration device; 21. an air inlet; 22. a circulating water tank; 23. a water supply pump; 24. a water supply branch pipe b; 25. a return water branch pipe b; 26. a water return main pipe; 27. a water supply main.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses an evaporative cooling system, which comprises an evaporative cooling high-temperature water chilling unit 1 arranged outside a building, an evaporative air conditioner system and a dry type fan coil system arranged inside the building, wherein the evaporative air conditioner system and the dry type fan coil system are respectively connected with the evaporative cooling high-temperature water chilling unit 1 and form a closed circulating water pipe network, as shown in figure 1.
As shown in fig. 2, the evaporative cooling high-temperature chiller 1 adopts a symmetrical modular structure, the evaporative cooling high-temperature chiller 1 includes a chiller housing, air inlets 21 are provided on two opposite side walls of the chiller housing, a direct evaporative cooler is provided in the center of the chiller housing, an air outlet 16 is provided on the top wall of the chiller housing corresponding to the upper side of the direct evaporative cooler, an air exhaust fan 15 is provided between the direct evaporative cooler and the air outlet 16, the left and right sides of the direct evaporative cooler are respectively provided with a high-temperature surface cooler 19, and a filter 20 is provided between each high-temperature surface cooler 19 and the air inlet 21 on the same side; the direct evaporative cooler is respectively connected with a water supply main pipe 27 and a water return main pipe 26, the water outlet of each high-temperature surface cooler 19 is communicated with the water supply main pipe 27 through a pipeline, and the water inlet of each high-temperature surface cooler 19 is communicated with the water return main pipe 26 through a pipeline; the water supply main pipe 27 is provided with a water supply pump 23; the evaporative air conditioner system is respectively connected with the water supply main pipe 27 and the water return main pipe 26 through pipelines, and the dry type fan coil pipe system is respectively connected with the water supply main pipe 27 and the water return main pipe 26 through pipelines.
The direct evaporative cooler comprises a circulating water tank 22 arranged at the bottom of the unit shell, and a plant fiber filler b18 and a spraying device b are sequentially arranged above the circulating water tank 22; the spraying device b comprises a water distribution pipe b17 positioned below the exhaust fan 15, a plurality of spray heads are uniformly distributed on the water distribution pipe b17, the water distribution pipe b17 is connected with the water return header pipe 26, and the bottom of the circulating water tank 22 is communicated with the water supply header pipe 27.
The filter device 20 is a primary filter.
The water supply main 27 is provided with a valve b 8.
As shown in fig. 3, the evaporative air conditioner system is composed of a plurality of evaporative air conditioners 2, each evaporative air conditioner 2 is respectively communicated with a water supply branch pipe a3 and a water return branch pipe a4 through a pipeline, the water supply branch pipe a3 is communicated with a water supply header pipe 27, and the water return branch pipe a4 is communicated with a water return header pipe 26.
The evaporative air conditioner 2 comprises a shell, wherein a water storage tank 14, a plant fiber filler a13 and a spraying device a are sequentially arranged in the shell from bottom to top, the spraying device a comprises a water distribution pipe a12, a plurality of nozzles are uniformly distributed on the water distribution pipe a12, the water distribution pipe a12 is communicated with a water supply branch pipe a3 through a pipeline, and the water storage tank 14 is communicated with a water return branch pipe a4 through a pipeline; an air supply outlet 10 is provided at the top end of the casing, and a blower 11 is provided in the air supply outlet 10.
The air supply mode of the evaporative air cooler 2 is upward air supply.
The dry type fan coil system is composed of a plurality of dry type fan coils 5, and the water inlet end of each dry type fan coil 5 is communicated with the water supply main pipe 27 through a water supply branch pipe b 24; the water outlet end of each dry type fan coil 5 is communicated with the water return main pipe 26 through a water return branch pipe b 25.
The water supply branch pipe b24 is provided with a valve c 9.
The operation mode of the evaporative cooling system is as follows:
(1) application to the transition season:
in a transition season, the indoor comfort requirement can be met only by opening the evaporative air conditioner 2, at the moment, the evaporative cooling high-temperature water chilling unit 1 is closed, the valve b8 and the valve c9 are closed, the valve a7 arranged on the tap water supply pipe 6 is opened, and tap water is introduced into the evaporative air conditioner 2 through the tap water supply pipe 6 to cool the indoor space;
(2) the method is applied to the situation that the humidity is not too high in the transition season:
opening the evaporative cooling high-temperature water chilling unit 1, namely opening the valve b8, and closing the valve a7 and the valve c9, wherein at the moment, high-temperature cold water generated by the evaporative cooling high-temperature water chilling unit 1 is supplied to the evaporative air cooler 2 only through the water supply branch pipe a3 to cool the indoor space;
(3) in the high-temperature period in summer:
the evaporative cooling high-temperature water chilling unit 1 is started, namely the valve b8 and the valve a7 are opened, and the valve c9 is closed, at the moment, high-temperature cold water generated by the evaporative cooling high-temperature water chilling unit 1 is supplied to the evaporative air conditioner 2 and the dry type fan coil 5 through the water supply branch pipe a3 and the water supply branch pipe b24 respectively, and the purpose of cooling the indoor space is achieved.
Claims (6)
1. An evaporative cooling system is characterized by comprising an evaporative cooling high-temperature water chilling unit (1) arranged outside a building, an evaporative air conditioner system and a dry-type fan coil system arranged inside the building, wherein the evaporative air conditioner system and the dry-type fan coil system are respectively connected with the evaporative cooling high-temperature water chilling unit (1) and form a closed circulating water pipe network;
the evaporative cooling high-temperature water chilling unit (1) comprises a unit shell, wherein air inlets (21) are formed in two opposite side walls of the unit shell, a direct evaporative cooler is arranged in the unit shell, an air outlet (16) is formed in the top wall, corresponding to the upper side of the direct evaporative cooler, of the unit shell, an exhaust fan (15) is arranged between the direct evaporative cooler and the air outlet (16), high-temperature surface coolers (19) are arranged on the left side and the right side of the direct evaporative cooler respectively, and a filtering device (20) is arranged between each high-temperature surface cooler (19) and the air inlet (21) on the same side; the direct evaporative cooler is respectively connected with a water supply main pipe (27) and a water return main pipe (26), the water outlet of each high-temperature surface cooler (19) is communicated with the water supply main pipe (27) through a pipeline, and the water inlet of each high-temperature surface cooler (19) is communicated with the water return main pipe (26) through a pipeline; a water supply pump (23) is arranged on the water supply main pipe (27); the evaporative air conditioner system is respectively connected with the water supply main pipe (27) and the water return main pipe (26) through pipelines, and the dry-type fan coil pipe system is respectively connected with the water supply main pipe (27) and the water return main pipe (26) through pipelines;
the evaporative air conditioner system is composed of a plurality of evaporative air conditioners (2), each evaporative air conditioner (2) is respectively communicated with a water supply branch pipe a (3) and a water return branch pipe a (4) through pipelines, the water supply branch pipe a (3) is communicated with a water supply main pipe (27), and the water return branch pipe a (4) is communicated with a water return main pipe (26);
the evaporative air cooler (2) comprises a shell, a water storage tank (14), a plant fiber filler a (13) and a spraying device a are sequentially arranged in the shell from bottom to top, the spraying device a comprises a water distribution pipe a (12), a plurality of nozzles are uniformly distributed on the water distribution pipe a (12), the water distribution pipe a (12) is communicated with a water supply branch pipe a (3) through a pipeline, and the water storage tank (14) is communicated with a water return branch pipe a (4) through a pipeline; an air supply outlet (10) is formed in the top end of the shell, and an air feeder (11) is arranged in the air supply outlet (10).
2. The evaporative cooling system as claimed in claim 1, wherein the direct evaporative cooler comprises a circulating water tank (22) arranged at the bottom of the unit housing, and a plant fiber filler b (18) and a spraying device b are sequentially arranged above the circulating water tank (22); the spraying device b comprises a water distribution pipe b (17) positioned below the exhaust fan (15), a plurality of spray heads are uniformly distributed on the water distribution pipe b (17), the water distribution pipe b (17) is connected with a water return header pipe (26), and the bottom of the circulating water tank (22) is communicated with a water supply header pipe (27).
3. An evaporative cooling system as set forth in claim 1 wherein said filter means (20) is a primary filter.
4. An evaporative cooling system as claimed in claim 1, wherein the water supply manifold (27) is provided with a valve b (8).
5. The evaporative cooling system as claimed in claim 1, wherein the dry type fan coil system is composed of a plurality of dry type fan coils (5), and the water inlet end of each dry type fan coil (5) is communicated with the water supply main pipe (27) through the water supply branch pipe b (24); and the water outlet end of each dry type fan coil (5) is communicated with a water return main pipe (26) through a water return branch pipe b (25).
6. An evaporative cooling system as claimed in claim 5 wherein the water supply branch b (24) is provided with a valve c (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237064.8A CN109458684B (en) | 2018-10-23 | 2018-10-23 | Evaporative cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237064.8A CN109458684B (en) | 2018-10-23 | 2018-10-23 | Evaporative cooling system |
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| Publication Number | Publication Date |
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| CN109458684A CN109458684A (en) | 2019-03-12 |
| CN109458684B true CN109458684B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811237064.8A Active CN109458684B (en) | 2018-10-23 | 2018-10-23 | Evaporative cooling system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207465B (en) * | 2019-09-18 | 2021-07-20 | 西安工程大学 | Cooling system based on evaporative cooling technology |
| US12031747B1 (en) | 2021-04-30 | 2024-07-09 | Combo-Cool, LLC | Chilling unit for evaporative air conditioning units |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494377B (en) * | 2011-12-01 | 2013-09-25 | 西安工程大学 | Semi-integrated air conditioning system with two high-temperature chilled water sets and dry-type fan coil |
| CN105202664A (en) * | 2015-10-20 | 2015-12-30 | 西安工程大学 | Household nucleopore film deep filtering type evaporative air conditioner |
| CN205261810U (en) * | 2015-11-30 | 2016-05-25 | 西安工程大学 | Compound for data center air conditioning system of indirect evaporation cooling tower - mechanical refrigeration |
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Effective date of registration: 20220406 Address after: 311802 Ruan Shi Zhen Yang Mei Qiao Cun Dong Gong natural village, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Jinling Refrigeration Engineering Co.,Ltd. Address before: 710048 No. 19 Jinhua South Road, Shaanxi, Xi'an Patentee before: XI'AN POLYTECHNIC University |