CN209857281U - Air conditioning system combining evaporation refrigeration and mechanical refrigeration with regional cooling - Google Patents

Air conditioning system combining evaporation refrigeration and mechanical refrigeration with regional cooling Download PDF

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Publication number
CN209857281U
CN209857281U CN201920242507.6U CN201920242507U CN209857281U CN 209857281 U CN209857281 U CN 209857281U CN 201920242507 U CN201920242507 U CN 201920242507U CN 209857281 U CN209857281 U CN 209857281U
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heat exchanger
cooling
outlet pipe
mechanical
water
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CN201920242507.6U
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于向阳
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XINJIANG GREEN ENVOY AIR ENVIRONMENT TECHNOLOGY Co Ltd
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XINJIANG GREEN ENVOY AIR ENVIRONMENT TECHNOLOGY Co Ltd
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Abstract

The utility model discloses an air conditioning system that evaporation refrigeration and mechanical refrigeration combined together of subregion cooling, the quick-witted incasement of evaporation cooling water supply device is being set up first filler and second and is filling, it is first, the top that the second filled is setting up first, second spray set and exhaust fan, it is first, the below that the second filled is setting up first, the second water tank, it is setting up surface heat exchanger on the air intake of corresponding first filler, the water piping connection plate heat exchanger of first water tank is the side import once, the cooling water import of first mechanical refrigeration unit is being connected to its outlet pipe, the import of surface heat exchanger is being connected to the outlet pipe of second water tank, the plate heat exchanger secondary side is setting up first user, first mechanical refrigeration unit freezing water side sets up the second user. The utility model discloses rational in infrastructure, the cold volume make full use of cold water, air conditioning system divides regional independent control, has reduced system operation energy consumption, and system security and economic nature are more reasonable.

Description

Air conditioning system combining evaporation refrigeration and mechanical refrigeration with regional cooling
Technical Field
The utility model belongs to the air treatment device in the heating ventilation air conditioning field, especially an air conditioning system that evaporation refrigeration and mechanical refrigeration combined together of subregion cooling.
Background
Generally, according to the characteristics of air conditioning load difference, different use functions and the like, the application of a building air conditioning system needs to reasonably divide the whole air conditioning area into a plurality of temperature control areas during system design. The purpose of such zoning is to enable the air conditioning system to effectively track load changes, improve indoor thermal environment and reduce air conditioning energy consumption. This requires separate air conditioning units for separate zone independent control of the air conditioning zones with different functions.
The evaporative cooling technology has a mature use method in an air-conditioning and refrigerating system in a dry area, and the dry air energy evaporative cooling technology has the advantages of huge energy conservation and environmental protection, so that the dry air energy refrigeration is utilized to the maximum extent in the air-conditioning system to be beneficial to building energy conservation, and the performance of the evaporative cooling device is greatly changed by the temperature of a wet bulb of outdoor air, so that the requirements of the air-conditioning system cannot be met only by using the dry air energy evaporative cooling in partial time periods of partial areas. In order to ensure the safe and reliable operation of the air conditioning system in cold seasons, an air conditioning mode combining an evaporative refrigeration technology with traditional mechanical refrigeration is an important research direction at present. In the design of the air conditioner, the requirements of sufficient energy conservation and safe use of the air conditioning system can be met only by reasonably utilizing high-temperature cold water of the evaporative cooling unit, reasonably setting a circulating water flow of the air conditioning system, reasonably matching the utilization of cold water prepared by the mechanical refrigeration water chiller and the evaporative cooling unit in an air conditioning area and reasonably setting the regional cooling of the air conditioning system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air conditioning system that evaporation refrigeration and mechanical refrigeration combined together of subregion cooling, its is rational in infrastructure, and the cold volume make full use of cold water can reduce the configuration that evaporation cold water supplied cold water device, and the air conditioner user of different functional areas and temperature zone divides regional independent control, can reduce air conditioning system operation energy consumption, and is energy-conserving obvious, and air conditioning system security and economic nature are more reasonable.
The purpose of the utility model is realized like this: an air conditioning system combining evaporative refrigeration and mechanical refrigeration for regional cooling is characterized in that a first filler and a second filler are arranged in a case of an evaporative cooling water supply device, a first spray device and a second spray device and an exhaust fan which are corresponding to each other are sequentially arranged above the first filler and the second filler, a first water tank and a second water tank which are corresponding to each other are arranged below the first filler and the second filler, air inlet channels of the first filler and the second filler are mutually separated, a surface heat exchanger is arranged on an air inlet corresponding to the first filler, a water outlet pipe of the first water tank is connected with an inlet on the primary side of a plate heat exchanger through a first circulating pump, an outlet pipe of the first water tank is connected with a cooling water inlet of a condenser of a first mechanical refrigeration unit, an outlet pipe of the first water tank is connected with the first spray device, an outlet pipe of the second water tank is connected with an inlet of the surface heat exchanger through a second circulating pump, and an outlet pipe of the, the outlet pipe of the secondary side of the plate heat exchanger is connected with the inlet of the secondary side of the plate heat exchanger through a third circulating pump and a first user, and the chilled water outlet pipe of the evaporator of the first mechanical refrigerating unit is connected with the chilled water inlet of the evaporator through a fourth circulating pump and a second user.
The utility model discloses combine together evaporation refrigerating unit and mechanical refrigerating unit, satisfy different functional area's air conditioner through same air conditioning system and use.
The utility model discloses technical advantage:
1. the evaporative cooling water supply device is used for preparing cold water with different temperatures, a cold water user with lower temperature carries out air conditioning user refrigeration, the cold water with higher temperature is used as cold water precooling air of the surface heat exchanger or as cooling water of the mechanical refrigerating unit, the configuration of the evaporative cooling water supply device is reasonable, and the economical efficiency is higher;
2. the evaporative cooling technology and the mechanical refrigeration technology are combined to supply cold for air conditioning users, so that the air conditioning performance of the users is effectively guaranteed;
3. in different air conditioning areas, air conditioning users are independently controlled in a partition mode, and the operation energy consumption of an air conditioning system is reduced.
The utility model discloses rational in infrastructure, the cold volume make full use of cold water has reduced the configuration that the cold water of evaporation supplied the cold water device, and the air conditioner user of different functional areas and temperature zone divides regional independent control, has reduced air conditioning system operation energy consumption, and is energy-conserving obvious, and air conditioning system security and economic nature are more reasonable.
Drawings
The utility model discloses a will be described below with reference to the attached drawing, figure 1 is the utility model discloses embodiment 1 schematic structure, figure 2 is the utility model discloses embodiment 2 schematic structure, figure 3 is the utility model discloses embodiment 3 schematic structure.
Detailed Description
An air conditioning system combining evaporation refrigeration and mechanical refrigeration for regional cooling is disclosed, as shown in figure 1, comprising an evaporation cooling water supply device and a mechanical refrigeration unit, wherein a first filler 1 and a second filler 2 are arranged in a case of the evaporation cooling water supply device, corresponding first and second spraying devices 3 and 4 and an exhaust fan 5 are sequentially arranged above the first and second fillers 1 and 2, corresponding first and second water tanks 6 and 7 are arranged below the first and second fillers 1 and 2, air inlet channels of the first and second fillers 1 and 2 are mutually separated, a surface heat exchanger 8 is arranged on an air inlet corresponding to the first filler 1, a water outlet pipe of the first water tank 6 is connected with an inlet on the primary side of a plate heat exchanger 10 through a first circulating pump 9, an outlet pipe of the first water tank is connected with a cooling water inlet of a condenser of the first mechanical refrigeration unit 11, and an outlet pipe of the first spraying device 3 is connected with the first spraying device, the outlet pipe of the second water tank 7 is connected with the inlet of the surface heat exchanger 8 through a second circulating pump 12, the outlet pipe of the second water tank is connected with the second spraying device 4, the outlet pipe of the secondary side of the plate heat exchanger 10 is connected with the inlet of the secondary side of the plate heat exchanger 10 through a third circulating pump 13 and a first user 14, and the chilled water outlet pipe of the evaporator of the first mechanical refrigerating unit 11 is connected with the chilled water inlet of the evaporator through a fourth circulating pump 15 and a second user 16. The evaporative cooling cold water supply device comprises a first filler 1, a second filler 2, a first water tank 6, a second water tank 7, a surface heat exchanger 8 and an exhaust fan 5, wherein the temperature of cold water in the first water tank 6 is lower than that of the second water tank 7, cold water with lower temperature in the first water tank 6 enters the primary side of a plate heat exchanger 10 through a first circulating pump 9, effluent water on the primary side of the plate heat exchanger 10 enters a condenser of a first mechanical refrigerating unit 11 as cooling water, the temperature of the effluent water of the condenser is raised and returns to the upper part of the first filler 1 to exchange heat with air in the first filler 1, the cold water with lower temperature is recycled, high-temperature cold water on the secondary side of the plate heat exchanger 10 is used for refrigerating a first user 14 of an air conditioning system, low-temperature chilled water of an evaporator of the first mechanical refrigerating unit 11 is used for refrigerating a second user 16 of an air conditioner, and cold water with, the air that gets into first filler 1 precools, reduces the dry wet bulb temperature of the air that gets into first filler 1, further reduces the leaving water temperature of first filler 1, the play water of surface heat exchanger 8 gets back to second filler 2 and sprays the cooling, through set up exhaust fan 5 in first filler 1 and 2 upper portions of second filler, the air that will rise after first filler 1 and the heat transfer of second filler 2 humiture is discharged, first user 14 in the system can be new fan group, second user 16 can be indoor end, such as fan coil or floor radiation end or indoor air treatment unit etc..
According to the requirement, an exhaust fan is arranged at the upper parts of the first filler 1 and the second filler 2 for exhausting air; more reasonable is that first, second filler 1, 2 correspond respectively the exhaust fan of independent each other for the resistance of first, second filler 1, 2 matches each other.
As shown in fig. 2, the outlet pipe of the surface heat exchanger 8 is connected to the cooling water inlet of the condenser of the first mechanical refrigerator group 11 through a tee pipe, and the outlet pipe of the primary side of the plate heat exchanger 10 is connected to the other port of the tee pipe. The outlet water of the surface type heat exchanger 8 is mixed with the outlet water of the primary side of the plate type heat exchanger 10 and then is used as the cooling water of the first mechanical refrigerating unit 11 to enter the condenser, the outlet water of the cooling water of the condenser returns to the first filler 1 and the second filler 2 respectively to be sprayed and cooled, in the system form, the system cooling capacity born by the first mechanical refrigerating unit 11 is larger, so that the water quantity of the cooling water is required to be larger than that of the cold water prepared by the first filler 1, at the moment, the cold water prepared by the second filler 2 is firstly used for precooling air of the surface type heat exchanger 8 and then is further used as the cooling water, the cold water prepared by the first filler 1 and the second filler 2 is reasonably utilized, the cold water is fully released, and the configuration of an evaporative cooling cold water supply device is.
As shown in fig. 3, the outlet pipe of the surface heat exchanger 8 is connected to the cooling water inlet of the condenser of the second mechanical refrigerator group 17, the outlet pipe thereof is connected to the second spraying device 4, and the chilled water outlet pipe of the evaporator of the second mechanical refrigerator group 17 is connected to the chilled water inlet of the evaporator of the second mechanical refrigerator group 17 through the fifth circulation pump 18 and the third user 19. A second mechanical refrigerating unit 17 and a third user 19 are added, wherein cold water in a second water tank 7 firstly enters a surface heat exchanger to pre-cool air entering a first filler 1, outlet water of the surface heat exchanger 8 enters a condenser as cooling water of the second mechanical refrigerating unit 17, the cooling water outlet water of the condenser returns to a second filler 2 to be sprayed and cooled for recycling, the chilled water outlet water at the evaporator side of the second mechanical refrigerating unit 17 is used for refrigerating a third user 19, a first user 14 in the system can be a new fan unit, and a second user 16 and the third user 19 can be indoor terminals, such as a fan coil or a floor radiation terminal or an indoor air processing unit and the like. The second user 16 and the third user 19 are indoor terminals arranged in different areas of the air conditioning system, and the first mechanical refrigerating unit 11 or the second mechanical refrigerating unit 17 is turned on or turned off according to air conditioning requirements, so that the operation energy consumption of the air conditioning system is reduced, and the economical efficiency and the adjustability of the air conditioning system are improved.
The first user 14 is a fresh air handling unit, the second user 16 and the third user 19 are indoor ends, and the indoor ends are fan coils or floor radiation ends or indoor air handling units.

Claims (4)

1. The utility model provides an air conditioning system that evaporation refrigeration and mechanical refrigeration that divides regional cooling combined together, includes evaporation cooling water supply device and mechanical refrigeration unit, characterized by: a first filler (1) and a second filler (2) are arranged in a machine box of the evaporative cooling water supply device, corresponding first and second spraying devices (3 and 4) and an exhaust fan (5) are sequentially arranged above the first and second fillers (1 and 2), corresponding first and second water tanks (6 and 7) are arranged below the first and second fillers (1 and 2), air inlet channels of the first and second fillers (1 and 2) are mutually separated, a surface heat exchanger (8) is arranged on an air inlet corresponding to the first filler (1), a water outlet pipe of the first water tank (6) is connected with an inlet on the primary side of a plate heat exchanger (10) through a first circulating pump (9), an outlet pipe of the first water tank is connected with a cooling water inlet of a condenser of a first mechanical refrigerating unit (11), an outlet pipe of the first spraying device (3) is connected, an outlet pipe of the second water tank (7) is connected with an inlet of the surface heat exchanger (8) through a second circulating pump (12), an outlet pipe of the first mechanical refrigerating unit is connected with a second spraying device (4), an outlet pipe of the secondary side of the plate type heat exchanger (10) is connected with an inlet of the secondary side of the plate type heat exchanger (10) through a third circulating pump (13) and a first user (14), and a chilled water outlet pipe of an evaporator of the first mechanical refrigerating unit (11) is connected with a chilled water inlet of the evaporator through a fourth circulating pump (15) and a second user (16).
2. An air conditioning system combining evaporative cooling and mechanical cooling with zoned cooling as claimed in claim 1, wherein: an outlet pipe of the surface type heat exchanger (8) is connected with a cooling water inlet of a condenser of the first mechanical refrigerating unit (11) through a set three-way pipe, and an outlet pipe of a primary side of the plate type heat exchanger (10) is connected with the other connector of the three-way pipe.
3. An air conditioning system combining evaporative cooling and mechanical cooling with zoned cooling as claimed in claim 1, wherein: an outlet pipe of the surface type heat exchanger (8) is connected with a cooling water inlet of a condenser of the second mechanical refrigerating unit (17), an outlet pipe of the surface type heat exchanger is connected with the second spraying device (4), and a chilled water outlet pipe of an evaporator of the second mechanical refrigerating unit (17) is connected with a cooling water inlet of an evaporator of the second mechanical refrigerating unit (17) through a fifth circulating pump (18) and a third user (19).
4. An air conditioning system combining evaporative cooling and mechanical cooling with split-zone cooling as claimed in claim 1 or 3, wherein: the first user (14) is a fresh air handling unit, the second user (16) and the third user (19) are indoor ends, and the indoor ends are fan coils or floor radiation ends or indoor air handling units.
CN201920242507.6U 2019-02-26 2019-02-26 Air conditioning system combining evaporation refrigeration and mechanical refrigeration with regional cooling Active CN209857281U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920242507.6U CN209857281U (en) 2019-02-26 2019-02-26 Air conditioning system combining evaporation refrigeration and mechanical refrigeration with regional cooling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920242507.6U CN209857281U (en) 2019-02-26 2019-02-26 Air conditioning system combining evaporation refrigeration and mechanical refrigeration with regional cooling

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113028616A (en) * 2021-03-11 2021-06-25 广东智博士系统集成控制有限公司 Two ally oneself with confession water conservancy variable frequency control system with changes in temperature, hot water and new trend dehumidification

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113028616A (en) * 2021-03-11 2021-06-25 广东智博士系统集成控制有限公司 Two ally oneself with confession water conservancy variable frequency control system with changes in temperature, hot water and new trend dehumidification

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