Evaporative cooling water chilling unit combined with radiation refrigeration

Abstract

The utility model discloses an evaporative cooling water chilling unit combined with radiation refrigeration, which comprises a unit shell, and primary air inlets are arranged on two opposite side walls of the unit shell. A third direct evaporation cold water circulating water system and second indirect evaporation pre-cooling circulating water systems symmetrically arranged on the left side and the right side of the third direct evaporation cold water circulating water system are arranged in the unit shell, and a first radiation refrigeration circulating water system is further arranged on one side of each second indirect evaporation pre-cooling circulating water system. A filter is arranged at each primary air inlet; an air outlet b is formed in the top wall of the unit shell corresponding to the upper part of the direct evaporation cold water third circulating water system; an air outlet a is formed in the position, corresponding to the top wall of the unit shell, above the indirect evaporation pre-cooling second circulating water system. A secondary air inlet is formed in the position, corresponding to one side of the indirect evaporation pre-cooling second circulating water system, of the side wall of the unit shell. The unit can further reduce the energy consumption of a data center cooling system.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioning refrigeration technical field, and specifically relates to the evaporative cooling water chiller unit of combination radiation refrigeration. BACKGROUND

[0002] With the rapid development of technologies such as the Internet of Things, artificial intelligence, and the meta universe, the construction scale of data centers is also growing larger and larger. At the same time, the energy consumption of data centers is also growing rapidly. Among the energy consumption of data centers, the proportion of the refrigeration system is particularly significant. Evaporative cooling technology provides a cold source for the data center cooling system, which can better utilize natural cooling, and its advantages in energy saving and environmental protection are increasingly prominent, attracting more and more attention. However, the effect of the evaporative cooling water chiller unit in utilizing other natural cold sources such as thermal radiation needs to be improved. SUMMARY

[0003] The utility model aims at providing the evaporative cooling water chiller unit of combination radiation refrigeration, based on the conventional evaporative cooling water chiller unit, further reduce data center cooling system energy consumption, provide a kind of data center cooling water system solution.

[0004] The utility model employs the technical scheme, the evaporative cooling water chiller unit of combination radiation refrigeration, including unit casing, including the two opposite side walls of unit casing are provided with a primary air inlet, the unit casing is provided with direct evaporative cooling water third circulating water system and the indirect evaporative precooling second circulating water system that is symmetrically arranged in direct evaporative cooling water third circulating water system left and right sides in, the side of each indirect evaporative precooling second circulating water system is also provided with radiation refrigeration first circulating water system;Each primary air inlet is also provided with filter;

[0005] The top wall of unit casing corresponding to direct evaporative cooling water third circulating water system is provided with exhaust port b;The top wall of unit casing corresponding to indirect evaporative precooling second circulating water system is provided with exhaust port a;The side wall of unit casing corresponding to indirect evaporative precooling second circulating water system is provided with secondary air inlet.

[0006] The utility model has the characteristics that:

[0007] Radiation refrigeration first circulating water system includes radiation refrigeration cooling coil, regulating valve a, radiation refrigeration plate unit, regulating valve b and circulating water pump a that are sequentially connected to form a closed loop through pipeline;

[0008] Regulating valve a, radiation refrigeration plate assembly, regulating valve b and circulating water pump a are arranged outside the unit casing;Radiation refrigeration cooling coil is arranged in the unit casing, and the radiation refrigeration cooling coil is located between the filter and the indirect evaporative precooling second circulating water system.

[0009] The radiant cooling plate unit includes multiple radiant cooling plate assemblies connected in series. Each radiant cooling plate assembly includes a cooling plate, and one outer surface of the cooling plate is coated with a radiant cooling coating layer. A cooling coil is embedded inside the cooling plate. The cooling coils of two adjacent radiant cooling plate assemblies are interconnected. The cooling coil port of the first radiant cooling plate assembly is connected to regulating valve a through a pipe, and the cooling coil port of the last radiant cooling plate assembly is connected to regulating valve b through a pipe.

[0010] The direct evaporation chilled water third circulation system includes, from top to bottom, an exhaust fan b, a baffle b, a water distributor b, packing material and a water tank b; a water supply pipe is connected to the water tank b; one end of the water supply pipe is connected to the water tank b, and the other end of the water supply pipe is connected to the end-side chilled water source; the exhaust fan b is located below the exhaust outlet b.

[0011] It also includes a first water supply pipe, one end of which is connected to the water distributor b, and the other end of which is connected to the hot water source at the end.

[0012] A circulating water pump c is installed on the water supply pipe.

[0013] The indirect evaporative precooling second circulating water system includes, from top to bottom, an exhaust fan a, a baffle plate a, a water distributor a, an indirect evaporative cooler and a water tank a, and also includes a second water supply pipe. The water distributor a is connected to the water tank a through the second water supply pipe. The secondary air inlet is located on the side wall of the unit casing between the indirect evaporative cooler and the water tank a. The exhaust fan a is located below the exhaust outlet a.

[0014] A circulating water pump b is installed on the second water supply pipe.

[0015] The filter is a blow-suction type disc return air filter.

[0016] The beneficial effects of this utility model are:

[0017] (1) By combining radiation cooling technology with evaporative cooling technology, the unit can make more efficient and full use of natural cold sources, reduce dependence on traditional energy sources, significantly reduce the energy consumption of data centers, and reduce operating costs.

[0018] (2) In this utility model, the radiative cooling plate assembly is directly attached to the surface of the unit. This design effectively reduces the floor space occupied by the equipment and facilitates installation and layout in environments with limited space. Through optimized design, the initial investment of the system is reduced, while the occupation of building space is reduced, and the utilization rate of the site is improved.

[0019] (3) This utility model designs multiple circulating water systems that can be flexibly combined according to actual needs, and activates different modes under different working conditions, so that the system can adjust the cooling strategy according to different loads and environmental conditions, thereby improving the system's adaptability.

[0020] (4) The utility model discloses a blow -suction type disc return air filter, compared with traditional bag filter has high efficiency, and the operation is simple, and the degree of automation is high's advantage, reduces manpower cost.

[0021] (5) The utility model discloses the material of indirect evaporative cooler and filler layer can be selected according to specific demand, increase the adaptability and maintainability of system, improve the service life. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure diagram of evaporative cooling water chiller combined with radiation refrigeration of the utility model;

[0023] Figure 2 It is the local enlarged view of radiation refrigeration water coil in evaporative cooling water chiller combined with radiation refrigeration of the utility model;

[0024] Figure 3 It is the structure diagram of radiation refrigeration board assembly in evaporative cooling water chiller combined with radiation refrigeration of the utility model.

[0025] In the drawing, 1. primary air inlet, 2. filter, 3. radiation refrigeration water coil, 4. regulating valve a, 5. radiation refrigeration board assembly, 6. regulating valve b, 7. circulating water pump a, 8. circulating water pump b, 9. water tank a, 10. secondary air inlet, 11. indirect evaporative cooler, 12. water distributor a, 13. water baffle a, 14. exhaust fan a, 15. circulating water pump c, 16. water tank b, 17. filler, 18. water distributor b, 19. water baffle b, 20. exhaust fan b, 21. unit casing, 22. exhaust outlet b, 23. exhaust outlet a, 24. first water supply pipe, 25. water supply pipe, 26. second water supply pipe;

[0026] 5-1. refrigeration board, 5-2. refrigeration coil, 5-3. radiation refrigeration paint layer;

[0027] 12-1. second water distribution pipe, 12-2. second nozzle;

[0028] 18-1. first water distribution pipe, 18-2. first nozzle. DETAILED DESCRIPTION

[0029] The utility model will be explained in detail in combination with the drawings and specific embodiment.

[0030] The utility model provides evaporative cooling water chiller combined with radiation refrigeration, such as Figures 1-3As shown, the organic set shell 21 is provided with a primary air inlet 1 on each of the two opposite side walls of the organic set shell 21, and the organic set shell 21 is provided with a direct evaporative cooling water third circulating system and indirect evaporative pre-cooling second circulating water systems symmetrically arranged on the left and right sides of the direct evaporative cooling water third circulating system, and each indirect evaporative pre-cooling second circulating water system is further provided with a radiation refrigeration first circulating water system on one side; each primary air inlet 1 is further provided with a filter 2;

[0031] The top wall of the organic set shell 21 corresponding to the direct evaporative cooling water third circulating system is provided with an air outlet b22; the top wall of the organic set shell 21 corresponding to the indirect evaporative pre-cooling second circulating water system is provided with an air outlet a23; and the side wall of the organic set shell 21 corresponding to one side of the indirect evaporative pre-cooling second circulating water system is provided with a secondary air inlet 10.

[0032] The radiation refrigeration first circulating water system comprises a radiation refrigeration cold water coil 3 (as shown in Figure 2 As shown, cold water enters the radiation refrigeration cold water coil 3, hot water exits the radiation refrigeration cold water coil 3, and a vertical pipe type n horizontal n vertical arrangement is adopted, and the specific number of pipe rows can be adjusted according to actual conditions, a regulating valve a4, a radiation refrigeration plate unit, a regulating valve b6 and a circulating water pump a7.

[0033] The regulating valve a4, the radiation refrigeration plate assembly, the regulating valve b6 and the circulating water pump a7 are arranged outside the organic set shell 21; the radiation refrigeration cold water coil 3 is arranged inside the organic set shell 21, and the radiation refrigeration cold water coil 3 is located between the filter 2 and the indirect evaporative pre-cooling second circulating water system.

[0034] The radiation refrigeration plate unit comprises a plurality of radiation refrigeration plate assemblies 5 connected in series, as shown in Figure 3 As shown, the radiation refrigeration plate assembly 5 comprises a refrigeration plate 5-1, the outer surface of one side of the refrigeration plate 5-1 is coated with a radiation refrigeration coating layer 5-3; a refrigeration coil 5-2 is embedded in the refrigeration plate 5-1, the refrigeration coils 5-2 of adjacent two radiation refrigeration plate assemblies 5 are connected to each other, the port of the refrigeration coil 5-2 of the first end radiation refrigeration plate assembly 5 is connected to the regulating valve a4 through a pipeline, and the port of the refrigeration coil 5-2 of the last end radiation refrigeration plate assembly 5 is connected to the regulating valve b6 through a pipeline. The radiation refrigeration plate assembly 5 can be directly attached to the outer surface of the organic set shell to save land occupation and initial investment of the system.

[0035] The direct evaporative cooling water third circulating water system comprises, from top to bottom, an exhaust fan b20, a water baffle b19, a water distributor b18, a filler 17 and a water tank b16; the water tank b16 is connected with a water supply pipe 25; one end of the water supply pipe 25 communicates with the water tank b16, and the other end of the water supply pipe 25 communicates with a cold water source on the last end side; the exhaust fan b20 is located below the air outlet b22;

[0036] The material of the filler 17 can be inorganic polymer, glass fiber, aluminum foil, etc. according to actual conditions, and the filler 17 can be arranged in layers according to resistance requirements, so as to optimize the distribution of air and water, reduce air resistance and save unit investment;

[0037] The first water supply pipe 24 is connected with the water distributor b18 at one end and connected with the terminal side hot water source at the other end.

[0038] The water distributor b18 comprises a first water distribution pipe 18-1, and a plurality of first nozzles 18-2 are arranged on the first water distribution pipe 18-1.

[0039] The water supply pipe 24 is provided with a circulating water pump c15.

[0040] The indirect evaporative pre-cooling second circulating water system comprises, from top to bottom, an air exhaust fan a14, a water baffle a13, a water distributor a12, an indirect evaporative cooler 11 and a water tank a9, and further comprises a second water supply pipe 26, the water distributor a12 being communicated with the water tank a9 through the second water supply pipe 26; the secondary air inlet 10 is located on the side wall of the corresponding unit shell 21 between the indirect evaporative cooler 11 and the water tank a9; and the air exhaust fan a14 is located below the air exhaust port a23. The indirect evaporative cooler 11 is a plate type indirect evaporative cooler, and the material can be selected from glass fiber, inorganic polymer material and aluminum foil.

[0041] The water distributor a12 comprises a second water distribution pipe 12-1, and a plurality of second nozzles 12-2 are arranged on the second water distribution pipe 12-1.

[0042] The second water supply pipe 26 is provided with a circulating water pump b8.

[0043] The filter 2 is a FC series blow-suction type disc return air filter produced by Wuxi Sifang Textile Co., Ltd. [1] .

[0044] The unit primary air inlet 1 is provided with a flow guide grille for rectifying and uniformizing airflow, and the air exhaust fan is an axial flow fan.

[0045] The water baffles are all corrugated type water baffles.

[0046] Reference

[0047] [1] Lu Yongan, Ling Boquan. Application of blow-suction type disc return air filter in textile mills [J]. Cotton Textile Technology, 1995, (11): 41-42.

[0048] The utility model discloses an evaporative cooling water chilling unit combining radiation refrigeration, which can select to open radiation refrigeration + direct evaporation mode or radiation refrigeration + indirect evaporation precooling + direct evaporation mode according to indoor and outdoor conditions.

[0049] Radiation refrigeration + direct evaporation mode: under winter outdoor low temperature or other appropriate indoor and outdoor conditions, open radiation refrigeration first circulating water system and direct evaporation cooling water third circulating water system, and close indirect evaporation precooling second circulating water system.

[0050] In the radiation refrigeration + direct evaporation mode, primary air from the outdoor enters the unit from the primary air inlet 1 on both sides of the unit, is filtered by the filter 2, and is then sent to the radiation refrigeration cooling water coil 3 for isohumid precooling.

[0051] At the same time, in the radiation refrigeration first circulating water system, the cold water in the radiation refrigeration cooling water coil 3 absorbs the heat of the primary air, flows into the radiation refrigeration plate assembly 5 in series, is cooled by the radiation refrigeration plate assembly 5, and then enters the radiation refrigeration cooling water coil 3 through the pipeline and the circulating water pump a 7 to cool the primary air, and the cycle is repeated.

[0052] At the same time, in the direct evaporation cooling water third circulating water system, the hot water from the terminal side is sent to the water distributor b 18 by the circulating water pump c 15, is sprayed out by the water distributor b 18, and is cooled by the direct evaporation cooling process with the air pre-cooled by the radiation refrigeration cooling water coil 3, and the cooled cold water is sent to the terminal side through the water supply pipe 25, and the cycle is repeated.

[0053] Radiation refrigeration + indirect evaporation precooling + direct evaporation mode: under transition season, summer or other appropriate indoor and outdoor conditions, open the radiation refrigeration first circulating water system, the indirect evaporation precooling second circulating water system and the direct evaporation cooling water third circulating water system at the same time.

[0054] In the radiation refrigeration + indirect evaporative pre-cooling + direct evaporative mode, the primary air from the outside enters the unit from the primary air inlet 1 on both sides of the unit, is filtered by the filter 2 respectively, and then is sent to the radiation refrigeration cold water coil 3 for equal-wetness pre-cooling. The pre-cooled primary air enters the indirect evaporative pre-cooling second circulating water system for equal-wetness pre-cooling again. After the pre-cooling is completed, the primary air enters the filler layer 17 and the hot water sprayed from the water distributor b 18 for sufficient heat and moisture exchange, and after the process of approximately equal-enthalpy humidification, the primary air is removed from the water droplets by the baffle b 19 and is discharged by the exhaust fan b 20.

[0055] At the same time, in the radiation refrigeration first circulating water system, the cold water in the radiation refrigeration cold water coil 3 absorbs the heat of the primary air, flows into the radiation refrigeration plate assembly 5 in series, is cooled by the radiation refrigeration plate assembly 5, and then enters the radiation refrigeration cold water coil 3 through the pipeline and the circulating water pump a 7 to cool the primary air, and the circulation is performed.

[0056] At the same time, in the indirect evaporative pre-cooling second circulating water system, the circulating water in the water tank a 9 is sprayed by the water distributor a 12 after being pumped by the circulating water pump b 8, and is cooled by the direct evaporative cooling of the secondary air entering from the secondary air inlet 10 in the wet channel of the indirect evaporative cooler 11. At the same time, the primary air in the dry channel of the indirect evaporative cooler 11 transmits heat to the secondary air in the wet channel and is cooled, and the secondary air is removed from the water droplets by the baffle a 13 and is discharged by the exhaust fan a 14, and the circulation is performed.

[0057] At the same time, in the direct evaporative cooling water third circulating water system, the hot water from the terminal side is sent to the water distributor b 18 by the circulating water pump c 15, is sprayed by the water distributor b 18, and is cooled by the direct evaporative cooling process of the air pre-cooled by the radiation refrigeration cold water coil 3 and the indirect evaporative cooler 11. The cooled cold water is sent to the terminal side by the water pipe 25, and the circulation is performed.

[0058] The unit can flexibly switch between the radiation refrigeration + direct evaporative mode and the radiation refrigeration + indirect evaporative pre-cooling + direct evaporative mode according to the changes of outdoor climate conditions and other indoor and outdoor conditions, and select the appropriate refrigeration mode under different environmental conditions. The unit can adjust the cooling strategy according to different loads and environmental conditions, and improve the adaptability.

[0059] Example 1

[0060] The evaporative cooling water chiller combined with the radiation refrigeration, such as Figures 1-3As shown, the unit includes a housing 21, and primary air inlets 1 are provided on both opposite side walls of the housing 21. The housing 21 contains a direct evaporative cooling water third circulating water system and an indirect evaporative precooling second circulating water system symmetrically arranged on the left and right sides of the direct evaporative cooling water third circulating water system. A radiant cooling first circulating water system is also provided on one side of each indirect evaporative precooling second circulating water system. A filter 2 is also provided at each primary air inlet 1.

[0061] An exhaust vent b22 is provided on the top wall of the unit casing 21 above the direct evaporation cooling water third circulating water system; an exhaust vent a23 is provided on the top wall of the unit casing 21 above the indirect evaporation precooling second circulating water system; and a secondary air inlet 10 is provided on the side wall of the unit casing 21 on one side of the indirect evaporation precooling second circulating water system.

[0062] Example 2

[0063] Evaporative cooling chillers that combine radiative cooling, such as Figures 1-3 As shown, the unit includes a housing 21, and primary air inlets 1 are provided on both opposite side walls of the housing 21. The housing 21 contains a direct evaporative cooling water third circulating water system and an indirect evaporative precooling second circulating water system symmetrically arranged on the left and right sides of the direct evaporative cooling water third circulating water system. A radiant cooling first circulating water system is also provided on one side of each indirect evaporative precooling second circulating water system. A filter 2 is also provided at each primary air inlet 1.

[0064] An exhaust vent b22 is provided on the top wall of the unit casing 21 above the direct evaporation cooling water third circulating water system; an exhaust vent a23 is provided on the top wall of the unit casing 21 above the indirect evaporation precooling second circulating water system; and a secondary air inlet 10 is provided on the side wall of the unit casing 21 on one side of the indirect evaporation precooling second circulating water system.

[0065] The radiant cooling first circulating water system includes radiant cooling chilled water coils 3 (e.g., connected sequentially by pipes to form a closed loop). Figure 2 As shown, cold water enters the radiant cooling coil 3, and hot water exits the radiant cooling coil 3. It adopts a vertical n-horizontal n-vertical arrangement. The specific number of pipe rows can be adjusted according to the actual situation. It includes regulating valve a4, radiant cooling plate unit, regulating valve b6, and circulating water pump a7.

[0066] The regulating valve a4, the radiant cooling plate assembly, the regulating valve b6, and the circulating water pump a7 are located outside the unit casing 21; the radiant cooling chilled water coil 3 is located inside the unit casing 21, between the filter 2 and the indirect evaporative precooling second circulating water system.

[0067] Example 3

[0068] Evaporative cooling chillers that combine radiative cooling, such as Figures 1-3 As shown, the unit includes a housing 21, and primary air inlets 1 are provided on both opposite side walls of the housing 21. The housing 21 contains a direct evaporative cooling water third circulating water system and an indirect evaporative precooling second circulating water system symmetrically arranged on the left and right sides of the direct evaporative cooling water third circulating water system. A radiant cooling first circulating water system is also provided on one side of each indirect evaporative precooling second circulating water system. A filter 2 is also provided at each primary air inlet 1.

[0069] An exhaust vent b22 is provided on the top wall of the unit casing 21 above the direct evaporation cooling water third circulating water system; an exhaust vent a23 is provided on the top wall of the unit casing 21 above the indirect evaporation precooling second circulating water system; and a secondary air inlet 10 is provided on the side wall of the unit casing 21 on one side of the indirect evaporation precooling second circulating water system.

[0070] The radiant cooling first circulating water system includes radiant cooling chilled water coils 3 (e.g., connected sequentially by pipes to form a closed loop). Figure 2 As shown, cold water enters the radiant cooling coil 3, and hot water exits the radiant cooling coil 3. It adopts a vertical n-horizontal n-vertical arrangement. The specific number of pipe rows can be adjusted according to the actual situation. It includes regulating valve a4, radiant cooling plate unit, regulating valve b6, and circulating water pump a7.

[0071] The regulating valve a4, the radiant cooling plate assembly, the regulating valve b6, and the circulating water pump a7 are located outside the unit casing 21; the radiant cooling chilled water coil 3 is located inside the unit casing 21, between the filter 2 and the indirect evaporative precooling second circulating water system.

[0072] The radiative cooling plate unit includes multiple radiative cooling plate assemblies 5 connected in series, such as... Figure 3 As shown, the radiant cooling plate assembly 5 includes a cooling plate 5-1, one outer surface of which is coated with a radiant cooling coating layer 5-3; a cooling coil 5-2 is embedded inside the cooling plate 5-1, and the cooling coils 5-2 of two adjacent radiant cooling plate assemblies 5 are interconnected. The cooling coil 5-2 port of the first radiant cooling plate assembly 5 is connected to the regulating valve a4 through a pipe, and the cooling coil 5-2 port of the last radiant cooling plate assembly 5 is connected to the regulating valve b6 through a pipe.

[0073] Example 4

[0074] Evaporative cooling chillers that combine radiative cooling, such as Figures 1-3As shown, the organic set shell 21 is provided with a primary air inlet 1 on each of the two opposite side walls of the organic set shell 21, and the organic set shell 21 is provided with a direct evaporative cooling water third circulating water system and indirect evaporative pre-cooling second circulating water systems symmetrically arranged on the left and right sides of the direct evaporative cooling water third circulating water system, and each indirect evaporative pre-cooling second circulating water system is further provided with a radiation refrigeration first circulating water system on one side; each primary air inlet 1 is further provided with a filter 2;

[0075] The top wall of the organic set shell 21 corresponding to the direct evaporative cooling water third circulating water system is provided with an air outlet b22; the top wall of the organic set shell 21 corresponding to the indirect evaporative pre-cooling second circulating water system is provided with an air outlet a23; and the side wall of the organic set shell 21 corresponding to one side of the indirect evaporative pre-cooling second circulating water system is provided with a secondary air inlet 10.

[0076] The radiation refrigeration first circulating water system comprises a radiation refrigeration cold water coil 3 (such as Figure 2 As shown, cold water enters the radiation refrigeration cold water coil 3, hot water exits the radiation refrigeration cold water coil 3, and a vertical pipe type n horizontal n vertical arrangement is adopted, and the specific number of pipe rows can be adjusted according to actual conditions, an adjusting valve a4, a radiation refrigeration plate unit, an adjusting valve b6, and a circulating water pump a7.

[0077] The adjusting valve a4, the radiation refrigeration plate assembly, the adjusting valve b6, and the circulating water pump a7 are arranged outside the organic set shell 21; the radiation refrigeration cold water coil 3 is arranged inside the organic set shell 21, and the radiation refrigeration cold water coil 3 is located between the filter 2 and the indirect evaporative pre-cooling second circulating water system.

[0078] The radiation refrigeration plate unit comprises a plurality of radiation refrigeration plate assemblies 5 connected in series, such as Figure 3 As shown, the radiation refrigeration plate assembly 5 comprises a refrigeration plate 5-1, and the outer surface of one side of the refrigeration plate 5-1 is coated with a radiation refrigeration paint layer 5-3; a refrigeration coil 5-2 is embedded in the refrigeration plate 5-1, the refrigeration coils 5-2 of adjacent two radiation refrigeration plate assemblies 5 are connected to each other, the port of the refrigeration coil 5-2 of the first end radiation refrigeration plate assembly 5 is connected to the adjusting valve a4 through a pipeline, and the port of the refrigeration coil 5-2 of the last end radiation refrigeration plate assembly 5 is connected to the adjusting valve b6 through a pipeline.

[0079] The direct evaporative cooling water third circulating water system comprises, from top to bottom, an exhaust fan b20, a water baffle b19, a water distributor b18, a filler 17, and a water tank b16; the water tank b16 is connected with a water supply pipe 25; one end of the water supply pipe 25 communicates with the water tank b16, and the other end of the water supply pipe 25 communicates with a cold water source on the last end side; the exhaust fan b20 is located below the air outlet b22;

[0080] The material of the filler 17 can be inorganic polymer, glass fiber, aluminum foil, etc. according to actual conditions, and the filler 17 can be arranged in layers according to resistance requirements, so as to optimize the distribution of air and water, reduce air resistance and save unit investment;

[0081] The first water supply pipe 24 is further included, one end of the first water supply pipe 24 is connected with the water distributor b18, and the other end of the first water supply pipe 24 is connected with the terminal side hot water source.

[0082] Embodiment 5

[0083] The evaporative cooling water chiller combined with radiation refrigeration, as shown in the figure, includes a unit shell 21, a primary air inlet 1 is arranged on each of the two opposite side walls of the unit shell 21, a direct evaporative cooling water third circulating water system is arranged in the unit shell 21, and indirect evaporative pre-cooling second circulating water systems are symmetrically arranged on the left and right sides of the direct evaporative cooling water third circulating water system, and a radiation refrigeration first circulating water system is further arranged on one side of each indirect evaporative pre-cooling second circulating water system; a filter 2 is further arranged at each primary air inlet 1. Figures 1-3

[0084] An air outlet b22 is arranged at the top wall of the unit shell 21 corresponding to the direct evaporative cooling water third circulating water system; an air outlet a23 is arranged at the top wall of the unit shell 21 corresponding to the indirect evaporative pre-cooling second circulating water system; and a secondary air inlet 10 is arranged at the side wall of the unit shell 21 corresponding to the indirect evaporative pre-cooling second circulating water system.

[0085] The radiation refrigeration first circulating water system includes a radiation refrigeration cooling water coil 3 (as shown in the figure, cooling water enters the radiation refrigeration cooling water coil 3, and hot water exits the radiation refrigeration cooling water coil 3, and a vertical pipe type n horizontal n vertical arrangement is adopted, and the specific number of pipe rows can be adjusted according to actual conditions), a regulating valve a4, a radiation refrigeration plate unit, a regulating valve b6 and a circulating water pump a7 which are sequentially and connected to form a closed loop. Figure 2

[0086] The regulating valve a4, the radiation refrigeration plate assembly, the regulating valve b6 and the circulating water pump a7 are arranged outside the unit shell 21; the radiation refrigeration cooling water coil 3 is arranged in the unit shell 21, and the radiation refrigeration cooling water coil 3 is located between the filter 2 and the indirect evaporative pre-cooling second circulating water system.

[0087] The radiation refrigeration plate unit includes a plurality of radiation refrigeration plate assemblies 5 connected in series, as shown in the figure. Figure 3 ​​As shown, the radiant cooling plate assembly 5 includes a cooling plate 5-1, one outer surface of which is coated with a radiant cooling coating layer 5-3; a cooling coil 5-2 is embedded inside the cooling plate 5-1, and the cooling coils 5-2 of two adjacent radiant cooling plate assemblies 5 are interconnected. The cooling coil 5-2 port of the first radiant cooling plate assembly 5 is connected to the regulating valve a4 through a pipe, and the cooling coil 5-2 port of the last radiant cooling plate assembly 5 is connected to the regulating valve b6 through a pipe.

[0088] The direct evaporation chilled water third circulation system includes, from top to bottom, an exhaust fan b20, a baffle plate b19, a water distributor b18, packing material 17, and a water tank b16; a water supply pipe 25 is connected to the water tank b16; one end of the water supply pipe 25 is connected to the water tank b16, and the other end of the water supply pipe 25 is connected to the end-side chilled water source; the exhaust fan b20 is located below the exhaust port b22.

[0089] It also includes a first water supply pipe 24, one end of which is connected to the water distributor b18, and the other end of which is connected to the hot water source at the end.

[0090] The water distributor b18 includes a first water distribution pipe 18-1, a plurality of first nozzles 18-2 are provided on the first water distribution pipe 18-1, and the first water distribution pipe 18-1 is connected to the first water supply pipe 24.

[0091] A circulating water pump c15 is installed on the water supply pipe 24.

[0092] Example 6

[0093] Evaporative cooling chillers that combine radiative cooling, such as Figures 1-3 As shown, the unit includes a housing 21, and primary air inlets 1 are provided on both opposite side walls of the housing 21. The housing 21 contains a direct evaporative cooling water third circulating water system and an indirect evaporative precooling second circulating water system symmetrically arranged on the left and right sides of the direct evaporative cooling water third circulating water system. A radiant cooling first circulating water system is also provided on one side of each indirect evaporative precooling second circulating water system. A filter 2 is also provided at each primary air inlet 1.

[0094] An exhaust vent b22 is provided on the top wall of the unit casing 21 above the direct evaporation cooling water third circulating water system; an exhaust vent a23 is provided on the top wall of the unit casing 21 above the indirect evaporation precooling second circulating water system; and a secondary air inlet 10 is provided on the side wall of the unit casing 21 on one side of the indirect evaporation precooling second circulating water system.

[0095] The radiant cooling first circulating water system includes radiant cooling chilled water coils 3 (e.g., connected sequentially by pipes to form a closed loop). Figure 2As shown, the cold water inlet radiation refrigeration cold water coil 3, the hot water outlet radiation refrigeration cold water coil 3, adopts the vertical tube type n horizontal n vertical arrangement mode, the specific tube row number can be adjusted according to the actual situation), the adjusting valve a4, the radiation refrigeration plate unit, the adjusting valve b6 and the circulating water pump a7;

[0096] The adjusting valve a4, the radiation refrigeration plate assembly and the adjusting valve b6 and the circulating water pump a7 are arranged outside the unit shell 21; the radiation refrigeration cold water coil 3 is arranged in the unit shell 21, and the radiation refrigeration cold water coil 3 is located between the filter 2 and the indirect evaporative pre-cooling second circulating water system.

[0097] The radiation refrigeration plate unit includes a plurality of radiation refrigeration plate assemblies 5 connected in series, as shown in the figure. Figure 3 As shown, the radiation refrigeration plate assembly 5 includes a refrigeration plate 5-1, and the outer surface of one side of the refrigeration plate 5-1 is coated with a radiation refrigeration coating layer 5-3; a refrigeration coil 5-2 is embedded in the refrigeration plate 5-1, the refrigeration coils 5-2 of adjacent two radiation refrigeration plate assemblies 5 are communicated with each other, the port of the refrigeration coil 5-2 of the first end radiation refrigeration plate assembly 5 is connected with the adjusting valve a4 through a pipeline, and the port of the refrigeration coil 5-2 of the last end radiation refrigeration plate assembly 5 is connected with the adjusting valve b6 through a pipeline.

[0098] The direct evaporative cooling water third circulating water system includes, from top to bottom, an air exhaust fan b20, a water baffle b19, a water distributor b18, a filler 17 and a water tank b16; the water tank b16 is connected with a water supply pipe 25; one end of the water supply pipe 25 is communicated with the water tank b16, and the other end of the water supply pipe 25 is communicated with the cold water source on the last end side; the air exhaust fan b20 is located below the air exhaust port b22;

[0099] It also includes a first water supply pipe 24, one end of the first water supply pipe 24 is connected with the water distributor b18, and the other end of the first water supply pipe 24 is connected with the hot water source on the last end side.

[0100] The water distributor b18 includes a first water distribution pipe 18-1, a plurality of first nozzles 18-2 are arranged on the first water distribution pipe 18-1, and the first water distribution pipe 18-1 is communicated with the first water supply pipe 24;

[0101] The water supply pipe 24 is provided with a circulating water pump c15.

[0102] The indirect evaporative pre-cooling second circulating water system includes, from top to bottom, an air exhaust fan a14, a water baffle a13, a water distributor a12, an indirect evaporative cooler 11 and a water tank a9, and also includes a second water supply pipe 26, the water distributor a12 is communicated with the water tank a9 through the second water supply pipe 26; the secondary air inlet 10 is located on the side wall of the corresponding unit shell 21 between the indirect evaporative cooler 11 and the water tank a9; the air exhaust fan a14 is located below the air exhaust port a23.

Claims

1. An evaporative-cooled chiller with integrated radiant cooling, characterized in that, The organic group shell (21) is provided with a primary air inlet (1) on each of the two opposite side walls, and the shell (21) is provided with a direct evaporative cooling water third circulating water system and an indirect evaporative pre-cooling second circulating water system symmetrically arranged on the left and right sides of the direct evaporative cooling water third circulating water system, and a radiation cooling first circulating water system is further arranged on one side of each indirect evaporative pre-cooling second circulating water system; a filter (2) is further arranged at each primary air inlet (1); An air outlet b (22) is arranged on the top wall of the shell (21) corresponding to the direct evaporative cooling water third circulating water system; an air outlet a (23) is arranged on the top wall of the shell (21) corresponding to the indirect evaporative pre-cooling second circulating water system; and a secondary air inlet (10) is arranged on the side wall of the shell (21) corresponding to the indirect evaporative pre-cooling second circulating water system.

2. The evaporative-cooling chiller with integrated radiant cooling of claim 1, wherein, The radiation cooling first circulating water system comprises a radiation cooling cold water coil (3), an adjusting valve a (4), a radiation cooling plate unit, an adjusting valve b (6) and a circulating water pump a (7) which are sequentially and connected by pipelines to form a closed loop. The adjusting valve a (4), the radiation cooling plate unit, the adjusting valve b (6) and the circulating water pump a (7) are arranged outside the shell (21), and the radiation cooling cold water coil (3) is arranged in the shell (21) and located between the filter (2) and the indirect evaporative pre-cooling second circulating water system.

3. The evaporative-cooling chiller with integrated radiant cooling of claim 2, wherein, The radiation cooling plate unit comprises a plurality of radiation cooling plate assemblies (5) connected in series, each radiation cooling plate assembly (5) comprises a cooling plate (5-1), the outer surface of one side of the cooling plate (5-1) is coated with a radiation cooling paint layer (5-3), a refrigeration coil (5-2) is embedded in the cooling plate (5-1), the refrigeration coils (5-2) of adjacent two radiation cooling plate assemblies (5) are connected with each other, the port of the refrigeration coil (5-2) of the first radiation cooling plate assembly (5) is connected with the adjusting valve a (4) through a pipeline, and the port of the refrigeration coil (5-2) of the last radiation cooling plate assembly (5) is connected with the adjusting valve b (6) through a pipeline.

4. The evaporative-cooling chiller with integrated radiant cooling of claim 2, wherein, The direct evaporative cooling water third circulating water system comprises, from top to bottom, an air exhaust fan b (20), a water baffle b (19), a water distributor b (18), a filler (17) and a water tank b (16); the water tank b (16) is connected with a water supply pipe (25); one end of the water supply pipe (25) is communicated with the water tank b (16), and the other end of the water supply pipe (25) is communicated with a cold water source at the end side; the air exhaust fan b (20) is located below the air outlet b (22). Further comprising a first water supply pipe (24), one end of the first water supply pipe (24) is connected with the water distributor b (18), and the other end of the first water supply pipe (24) is connected with a hot water source at the end side.

5. The evaporative-cooling chiller with integrated radiant cooling of claim 4, wherein, A circulating water pump c (15) is arranged on the water supply pipe (24).

6. The evaporative-cooling chiller with integrated radiant cooling of claim 4, wherein, The indirect evaporative pre-cooling second circulating water system comprises, from top to bottom, an exhaust fan a (14), a water baffle a (13), a water distributor a (12), an indirect evaporative cooler (11) and a water tank a (9), further comprises a second water supply pipe (26), the water distributor a (12) is communicated with the water tank a (9) through the second water supply pipe (26); the secondary air inlet (10) is located on the side wall of the corresponding unit shell (21) between the indirect evaporative cooler (11) and the water tank a (9); the exhaust fan a (14) is located below the exhaust port a (23).

7. The evaporative-cooling chiller with integrated radiant cooling of claim 6, wherein, A circulating water pump b (8) is arranged on the second water supply pipe (26).

8. The evaporative-cooling chiller integrated with radiant cooling system of claim 1, wherein, The filter (2) is a blow-suction type disc return air filter.

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