Combined refrigerating system

Abstract

The utility model discloses a combined type refrigerating system which comprises a combined evaporative cooling air conditioning system, a fluorine pump heat pipe refrigerating system and a solar power generation device. The fluorine pump heat pipe refrigeration system comprises a heat pipe heat exchanger, a compressor, an evaporative condenser, a fluorine pump and an expansion valve which are sequentially connected to form a closed loop, and the expansion valve is further connected with the heat pipe heat exchanger; the two ends of the fluorine pump are further connected with a first bypass pipeline, and a bypass valve b is arranged on the first bypass pipeline; the two ends of the compressor are further connected with a second bypass pipeline, and a bypass valve a is arranged on the second bypass pipeline. The compressor is connected with the solar power generation device which supplies power to the compressor. According to the requirements of the data center, different working modes are switched, the energy-saving advantage of the evaporative cooling technology is fully played, fluorine pump heat pipe refrigeration serves as an auxiliary cold source and plays a proper role when evaporative cooling cannot meet the design requirements, and it is guaranteed that equipment can normally operate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioning equipment technical field, specifically relates to composite refrigeration system. BACKGROUND

[0002] With the rapid development of domestic data center industry, its total energy consumption is also in the high growth period, on the one hand, the data center construction scale in China grows rapidly, on the other hand, because there is great energy saving potential in China's data center. At present, the industry data shows that the average PUE value of China's data center is between 2.2-3.0, and the actual data may be much higher than this number. And with the increasing size and increasing number of data centers, the power consumption will only be high. The high energy consumption of data center not only brings heavy burden to enterprises, but also causes great waste of social energy.

[0003] At present, the approximate composition of data center energy consumption, air conditioning refrigeration system energy consumption accounts for about 40% of the total energy consumption of data center, second only to IT equipment energy consumption, is one of the main components affecting the energy consumption of computer room. The energy consumption of standard computer room cooling system accounts for 35%, and the energy consumption of existing computer room cooling system accounts for 45%, so the computer room cooling system has great energy saving space. In the face of such huge energy consumption problem, how to use the natural cold source to cool the data center, fully extend the use time of natural cold source, and broaden the application of natural cold source refrigeration system, etc. It is worth thinking about. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing composite refrigeration system, which combines indirect evaporative cooling system with fluorine pump heat pipe system, switches different working modes according to the requirement of data center, fully develops the energy saving advantage of evaporative cooling technology, fluorine pump heat pipe refrigeration as auxiliary cold source plays the appropriate role when evaporative cooling cannot meet the design requirement, and guarantees that equipment can normally operate.

[0005] The utility model adopts the technical scheme, and the composite refrigeration system comprises a composite evaporative cooling air conditioner system, a fluorine pump heat pipe refrigeration system and a solar power generation device.

[0006] The fluorine pump heat pipe refrigeration system comprises a heat pipe heat exchanger, a compressor, an evaporative condenser, a fluorine pump and an expansion valve connected in sequence to form a closed loop, and the expansion valve is also connected with the heat pipe heat exchanger. The fluorine pump is also connected with a first bypass pipeline, and the first bypass pipeline is provided with a bypass valve b. The compressor is also connected with a second bypass pipeline, and the second bypass pipeline is provided with a bypass valve a.

[0007] The compressor is connected with the solar power generation device, and the solar power generation device supplies power for the compressor.

[0008] The utility model has the characteristics that:

[0009] The evaporative condenser comprises a first shell, outdoor air inlets are arranged on two opposite side walls of the first shell; a fan, a water baffle c, a first water distribution device, a heat exchange coil, a filler and a water collecting tank are sequentially arranged in the first shell from top to bottom;

[0010] The water collecting tank is communicated with the first water distribution device through a first water supply pipe;

[0011] An air outlet is arranged on the top wall of the first shell corresponding to the fan;

[0012] A liquid outlet of the heat exchange coil is communicated with a fluorine pump through a pipeline, and a liquid inlet of the heat exchange coil is communicated with a compressor through a pipeline.

[0013] A circulating water pump c is arranged on the first water supply pipe.

[0014] The first water distribution device comprises a first water distribution pipe, a plurality of first nozzles are arranged on the first water distribution pipe, and the first water distribution pipe is communicated with the first water supply pipe.

[0015] The composite evaporative cooling air conditioning system comprises a second shell, air inlets and air outlets are arranged on two opposite side walls of the second shell respectively, and an air filter, a vertical pipe type indirect evaporative cooling section, a fluid power type water spraying chamber section and a supply fan are sequentially arranged in the second shell according to the air flow direction;

[0016] A secondary air outlet is arranged on the top wall of the second shell corresponding to the vertical pipe type indirect evaporative cooling section, and a secondary air inlet is arranged on the side wall of the second shell corresponding to the position of the vertical pipe type indirect evaporative cooling section.

[0017] A solar power generation device is arranged outside the top wall of the second shell, and a heat pipe heat exchanger is arranged in the second shell and located between the fluid power type water spraying chamber section and the supply fan.

[0018] The vertical pipe type indirect evaporative cooling section comprises a secondary fan, a water baffle b, a second water distribution device, a heat exchange pipe group and a circulating water tank a, which are sequentially arranged from top to bottom; the second water distribution device is communicated with the circulating water tank a through a second water supply pipe, and a circulating water pump a is arranged on the second water supply pipe;

[0019] The secondary air outlet is located on the top wall of the second shell corresponding to the secondary fan, and the secondary air inlet is located on the side wall of the second shell corresponding to the position between the heat exchange pipe group and the circulating water tank a.

[0020] The second water distribution device comprises a second water distribution pipe, a plurality of second nozzles are arranged on the second water distribution pipe, and the second water distribution pipe is communicated with the circulating water tank a through the second water supply pipe.

[0021] The fluid power type water spraying chamber section comprises a uniform air plate, a plurality of target impinging flow nozzle units and a water baffle a arranged in sequence according to the air flow direction, and further comprises a circulating water tank b located below the plurality of target impinging flow nozzle units, the water baffle a and a heat pipe heat exchanger.

[0022] The target impinging flow nozzle unit comprises a vertical U-shaped water distribution pipe and a third water supply pipe, a plurality of third nozzles are arranged on the U-shaped water distribution pipe, and the U-shaped water distribution pipe is communicated with the circulating water tank b through the third water supply pipe.

[0023] The solar power generation device comprises a solar photovoltaic panel, a photovoltaic controller, a storage battery and a photovoltaic support connected in sequence, the storage battery is connected with the compressor, and the solar photovoltaic panel is installed outside the top wall of the second shell through the photovoltaic support.

[0024] The system has the advantages that:

[0025] (1) The system adopts an inner wall with thin upper part, thick lower part and rough surface in the heat exchange pipe.

[0026] (2) The air treated by the water spraying chamber is condensed and dehumidified when flowing through the heat pipe heat exchanger, the air is cooled again, and the condensed water generated by condensation flows into the circulating water tank below under the action of gravity to be used as circulating water.

[0027] (3) The secondary air outlet of the vertical pipe type indirect evaporative cooling section is inclinedly arranged.

[0028] (4) The solar power generation device is connected with the storage battery and the photovoltaic controller through wires to provide power for the compressor and maintain the continuous use of the compressor.

[0029] (5) The heat exchanger is greatly relieved from the blockage problem due to the wide air flow channel outside the pipe and the self-scouring effect of the circulating water in the pipe.

[0030] (6) The main structure of the fluid power type water spraying chamber is a target impinging flow nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural diagram of the composite refrigeration system of the utility model.

[0032] In the figure, 1. air inlet, 2. air filter, 3. circulating water pump a, 4. heat exchange tube group, 5. circulating water tank a, 6. secondary air inlet, 7. air distribution plate, 8. third nozzle, 9. circulating water pump b, 10. U-shaped water distribution pipe, 11. circulating water tank b, 12. water retaining plate a, 13. heat pipe heat exchanger, 14. blower, 15. air supply port, 16. second nozzle, 17. water retaining plate b, 18. secondary fan, 19. secondary exhaust port, 20. solar photovoltaic panel, 21. battery, 22. photovoltaic controller, 23. expansion valve, 24. photovoltaic bracket, 2 5. Bypass valve a, 26. Compressor, 27. Fluorine pump, 28. Bypass valve b, 29. Fan, 30. Water baffle c, 31. First nozzle, 32. Heat exchange coil, 33. Outdoor air inlet, 34. Water collecting tank, 35. Packing, 36. Circulating water pump c, 37. Evaporative condenser, 38. First bypass pipe, 39. Second bypass pipe, 40. First shell, 41. First water supply pipe, 42. Air outlet, 43. First water distribution pipe, 44. Second shell, 45. Second water supply pipe, 46. Third water supply pipe, 47. Second water distribution pipe, 48. Third shell. DETAILED DESCRIPTION

[0033] The present invention will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0034] The utility model provides a composite refrigeration system, such as Figure 1 As shown, it includes a composite evaporative cooling air conditioning system, a fluorine pump heat pipe refrigeration system and a solar power generation device;

[0035] The fluorine pump heat pipe refrigeration system includes a heat pipe heat exchanger 13, a compressor 26, an evaporative condenser 37, a fluorine pump 27, and an expansion valve 23, which are sequentially connected to form a closed loop. The expansion valve 23 is also connected to the heat pipe heat exchanger 13. The two ends of the fluorine pump 27 are also connected to a first bypass pipe 38, and the first bypass pipe 38 is provided with a bypass valve b28. The two ends of the compressor 26 are also connected to a second bypass pipe 39, and the second bypass pipe 39 is provided with a bypass valve a25.

[0036] The compressor 26 is connected to a solar power generation device, which supplies power to the compressor 26 .

[0037] The evaporative condenser 37 comprises a first shell 40, both opposite side walls of the first shell 40 are provided with outdoor air inlets 33; the first shell 40 is sequentially provided with a fan 29, a water baffle c 30, a first water distribution device, a heat exchange coil 32, a filler 35 and a water collecting tank 34 from top to bottom;

[0038] The water collecting tank 34 is communicated with the first water distribution device through a first water supply pipe 41;

[0039] The top wall of the first shell 40 corresponding to the fan 29 is provided with an air outlet 42;

[0040] The liquid outlet of the heat exchange coil 32 is communicated with the fluorine pump 27 through a pipeline, and the liquid inlet of the heat exchange coil 32 is communicated with the compressor 26 through a pipeline.

[0041] The first water supply pipe 41 is provided with a circulating water pump c 36.

[0042] The first water distribution device comprises a first water distribution pipe 43, a plurality of first nozzles 31 are arranged on the first water distribution pipe 43, and the first water distribution pipe 43 is communicated with the first water supply pipe 41.

[0043] The composite evaporative cooling air conditioning system comprises a second shell 44, both opposite side walls of the second shell 44 are respectively provided with an air inlet 1 and an air outlet 15, and the second shell 44 is sequentially provided with an air filter 2, a vertical pipe type indirect evaporative cooling section, a fluid power type water spraying chamber section and a supply fan 14 in the air flow direction;

[0044] The top wall of the second shell 44 corresponding to the vertical pipe type indirect evaporative cooling section is provided with a secondary air outlet 19; the side wall of the second shell 44 corresponding to the position of the vertical pipe type indirect evaporative cooling section is provided with a secondary air inlet 6;

[0045] The solar power generation device is arranged outside the top wall of the second shell 44, and the heat pipe heat exchanger 13 is arranged in the second shell 44, between the fluid power type water spraying chamber section and the supply fan 14.

[0046] The vertical pipe type indirect evaporative cooling section comprises a secondary fan 18, a water baffle b 17, a second water distribution device, a heat exchange pipe group 4 and a circulating water tank a 5 sequentially arranged from top to bottom; the second water distribution device is communicated with the circulating water tank a 5 through a second water supply pipe 45, and the second water supply pipe 45 is provided with a circulating water pump a 3;

[0047] The secondary air outlet 19 is located at the top wall of the second shell 44 corresponding to the position of the secondary fan 18; the secondary air inlet 6 is located on the side wall of the second shell 44 corresponding to the position between the heat exchange pipe group 4 and the circulating water tank a 5.

[0048] The second water distribution device comprises a second water distribution pipe 47, and a plurality of second nozzles 16 are arranged on the second water distribution pipe 47.

[0049] The fluid power type water spraying chamber section comprises, in sequence along the air flow direction, an air uniformizing plate 7, a plurality of target type impinging stream nozzle units and a water blocking plate a12, and further comprises a circulating water tank b11 located below the plurality of target type impinging stream nozzle units, the water blocking plate a12 and the heat pipe heat exchanger 13.

[0050] The target type impinging stream nozzle unit comprises a vertical U-shaped water distribution pipe 10 and a third water supply pipe 46, a plurality of third nozzles 8 are arranged on the U-shaped water distribution pipe 10, and the U-shaped water distribution pipe 10 is communicated with the circulating water tank b11 through the third water supply pipe 46; and a circulating water pump b9 is arranged on the third water supply pipe 46.

[0051] The expansion valve 23, the compressor 26 and the bypass valve a25 are located in a third shell 48 arranged outside the top wall of the second shell 44.

[0052] The solar power generation device comprises, in sequence, a solar photovoltaic panel 20, a photovoltaic controller 22, a storage battery 21 and a photovoltaic support 24, the storage battery 21 is connected with the compressor 26, and the solar photovoltaic panel 20 is installed on the top wall outside the second shell 44 through the photovoltaic support 24.

[0053] In the composite evaporative cooling air conditioning system, air enters the vertical pipe type indirect evaporative cooling section after being filtered by the air filter 2 through the air inlet 1. Primary air flows outside the heat exchange pipe, and secondary air flows through the heat exchange pipe inside by the circulating water sprayed by the secondary air inlet 6 and the second water distribution device, the heat exchanged secondary air is discharged through the secondary air outlet 19 under the action of the secondary air fan 18, and the heat exchanged circulating water flows back to the circulating water tank a5 under the action of gravity, and the circulating water flows into the second water distribution device again for heat exchange under the action of the circulating water pump a3.

[0054] The heat exchange pipe group 4 is composed of a plurality of vertically arranged heat exchange pipes, the inner wall of the heat exchange pipe is thin at the top and thick at the bottom and is not smooth, forming a tapered channel, the purpose is to make the air and water in the heat exchange pipe 4 fully exchange heat, and the material of the heat exchange pipe is aluminum pipe; the outer wall of the heat exchange pipe is smooth with Ra less than or equal to 0.8 microns, and the inner wall of the heat exchange pipe is relatively rough with Ra of 1.6 microns.

[0055] The once-through air after being pre-cooled and processed by the air uniformizing plate 7 enters into the fluid power water spraying chamber section uniformly, the circulating water in the circulating water tank b11 flows through the U-shaped water distribution pipe 10, is sprayed out through the third nozzle 8 (the third nozzle 8 is a target type impinging stream nozzle), and is sprayed out through the third nozzle 8 (the third nozzle 8 is a target type impinging stream nozzle), the U-shaped water distribution pipe 10 is provided with double-row third nozzles 8 which spray in pairs and form a 180-degree water mist plane, so that the once-through air entering into the fluid power water spraying chamber section vertically passes through the plane and is fully sprayed. The air after being cooled and humidified flows through the surface of the heat pipe heat exchanger 13 through the water blocking plate a12, dewing occurs when the air meets the cold surface of the heat pipe heat exchanger 13, and the water beads generated flow to the bottom circulating water tank b11 under the action of gravity and are used as circulating water. The processed air enters into the air supply section, passes through the air supply port 15 through the air supply fan 14, and is sent into the data center.

[0056] The fluorine pump heat pipe refrigeration system is formed by sequentially connecting the heat pipe heat exchanger 13, the compressor 26, the evaporative condenser 37, the fluorine pump 27, the expansion valve 23 and the heat pipe heat exchanger 13 by refrigerant pipelines to form a loop, and the compressor 26 and the fluorine pump 27 are each provided with a bypass valve a25 and a bypass valve b28. The evaporative condenser 37 comprises a first shell 40, an outdoor air inlet 33 is arranged on the side wall close to the bottom of the shell, a heat exchange coil 32 is arranged in the shell, the refrigerant in the heat exchange coil 32 flows through the parallel pipeline of the fluorine pump 27 and the bypass valve b28 and the expansion valve 23, and then enters the heat pipe heat exchanger 13, the refrigerant after heat exchange of the heat pipe heat exchanger 13 flows back to the evaporative condenser 37 through the parallel pipeline of the compressor 26 and the bypass valve a25. When the evaporative condenser 37 works, the circulating water in the water collecting tank 34 flows to the first nozzle 31 and sprays on the surface of the heat exchange coil 32 under the action of the circulating water pump c36 outside the condenser shell, the outdoor air enters from the outdoor air inlet 33, passes through the filler 35, and is forced to flow over the surface of the heat exchange coil 32 under the action of the fan 29, absorbs the heat of the refrigerant working medium in the heat exchange coil 32, and is discharged from the evaporative condenser 37 by the fan 29.

[0057] The compressor 26 in the fluorine pump heat pipe refrigeration system is powered by the solar power generation device (the solar photovoltaic panel 20, the photovoltaic controller 22 and the storage battery 21 are connected by wires), and the secondary air discharged from the secondary air outlet 19 of the vertical pipe type indirect evaporative cooling section in the composite evaporative cooling air conditioning system is directly blown to the solar photovoltaic panel 20 to cool it.

[0058] The air conditioning system of the utility model has three working modes according to the requirements of the data center:

[0059] (1) Compressor refrigeration mode: when the outdoor temperature is greater than or equal to Tw1, the bypass valve b28 of the fluorine pump 27 is opened and the fluorine pump 27 is closed.

[0060] (2) mixed cooling mode: when Tw2≤ outdoor temperature < Tw1, the bypass valve a25 and the bypass valve b28 are closed, and the compressor 26 and the fluorine pump 27 are opened, and the whole machine works in the mixed refrigeration mode of the combined operation of the compressor 26 and the fluorine pump 27, and the energy efficiency ratio of the mixed refrigeration mode is greater than that of the compressor refrigeration mode;

[0061] (3) fluorine pump natural cooling mode: when the outdoor temperature < Tw2, the bypass valve a25 of the compressor 26 is opened, and the compressor 26 is closed.

[0062] Wherein Tw1 is the outdoor temperature at which the energy efficiency ratio of the mixed mode is greater than or equal to the critical point of the energy efficiency ratio of the compressor refrigeration mode, Tw2 is the outdoor temperature at which the cooling capacity of the fluorine pump natural cooling mode is greater than or equal to the critical point of the refrigeration capacity of the compressor refrigeration mode, Tw1 and Tw2 are the test data of the unit.

[0063] The direct evaporation cooling and the indirect evaporation cooling are combined in the system.The evaporative condenser in the fluorine pump heat pipe refrigeration system adopts the direct evaporation technology, and the indirect evaporation cooling of the vertical pipe type is adopted in the composite evaporative cooling air conditioning system.

[0064] The secondary exhaust port of the vertical pipe type indirect evaporation cooling section in the system is inclined.

[0065] The solar power generation device is arranged in the system.

[0066] The water baffle in the system is a corrugated water baffle.

[0067] Embodiment 1

[0068] The composite refrigeration system, as shown in the drawing, comprises a composite evaporative cooling air conditioning system, a fluorine pump heat pipe refrigeration system and a solar power generation device. Figure 1

[0069] The fluorine pump heat pipe refrigeration system comprises a heat pipe heat exchanger 13, a compressor 26, an evaporative condenser 37, a fluorine pump 27 and an expansion valve 23 connected in sequence to form a closed loop, and the expansion valve 23 is also connected with the heat pipe heat exchanger 13; the two ends of the fluorine pump 27 are also connected with a first bypass pipeline 38, and the bypass valve b28 is arranged on the first bypass pipeline 38; the two ends of the compressor 26 are also connected with a second bypass pipeline 39, and the bypass valve a25 is arranged on the second bypass pipeline 39.

[0070] The compressor 26 is connected with the solar power generation device, and the solar power generation device supplies power for the compressor 26.

[0071] Embodiment 2

[0072] The composite refrigeration system, as shown in the drawing, comprises a composite evaporative cooling air conditioning system, a fluorine pump heat pipe refrigeration system and a solar power generation device.Figure 1 As shown, the composite evaporative cooling air conditioning system, fluorine pump heat pipe refrigeration system and solar power generation device are included.

[0073] The fluorine pump heat pipe refrigeration system includes a heat pipe heat exchanger 13, a compressor 26, an evaporative condenser 37, a fluorine pump 27 and an expansion valve 23 connected in sequence to form a closed loop, and the expansion valve 23 is also connected to the heat pipe heat exchanger 13. The two ends of the fluorine pump 27 are also connected to a first bypass pipeline 38, and the bypass valve b28 is arranged on the first bypass pipeline 38. The two ends of the compressor 26 are also connected to a second bypass pipeline 39, and the bypass valve a25 is arranged on the second bypass pipeline 39.

[0074] The compressor 26 is connected to the solar power generation device, and the solar power generation device supplies power to the compressor 26.

[0075] The evaporative condenser 37 includes a first shell 40, and the two opposite side walls of the first shell 40 are provided with outdoor air inlets 33. The fan 29, the water baffle c30, the first water distribution device, the heat exchange coil 32, the filler 35 and the water collecting tank 34 are arranged in the first shell 40 from top to bottom.

[0076] The water collecting tank 34 is communicated with the first water distribution device through the first water supply pipe 41.

[0077] The top wall of the first shell 40 corresponding to the fan 29 is provided with an air outlet 42.

[0078] The outlet of the heat exchange coil 32 is communicated with the fluorine pump 27 through a pipeline, and the inlet of the heat exchange coil 32 is communicated with the compressor 26 through a pipeline.

[0079] Embodiment 3

[0080] The composite refrigeration system, such as Figure 1 As shown, the composite evaporative cooling air conditioning system, fluorine pump heat pipe refrigeration system and solar power generation device are included.

[0081] The fluorine pump heat pipe refrigeration system includes a heat pipe heat exchanger 13, a compressor 26, an evaporative condenser 37, a fluorine pump 27 and an expansion valve 23 connected in sequence to form a closed loop, and the expansion valve 23 is also connected to the heat pipe heat exchanger 13. The two ends of the fluorine pump 27 are also connected to a first bypass pipeline 38, and the bypass valve b28 is arranged on the first bypass pipeline 38. The two ends of the compressor 26 are also connected to a second bypass pipeline 39, and the bypass valve a25 is arranged on the second bypass pipeline 39.

[0082] The compressor 26 is connected to the solar power generation device, and the solar power generation device supplies power to the compressor 26.

[0083] The evaporative condenser 37 comprises a first shell 40, and outdoor air inlets 33 are arranged on two opposite side walls of the first shell 40; the first shell 40 is sequentially provided with a fan 29, a water baffle c30, a first water distribution device, a heat exchange coil 32, a filler 35 and a water collecting tank 34 from top to bottom;

[0084] The water collecting tank 34 is communicated with the first water distribution device through a first water supply pipe 41;

[0085] An air outlet 42 is arranged on the top wall of the first shell 40 corresponding to the fan 29;

[0086] The liquid outlet of the heat exchange coil 32 is communicated with the fluorine pump 27 through a pipeline, and the liquid inlet of the heat exchange coil 32 is communicated with the compressor 26 through a pipeline.

[0087] A circulating water pump c36 is arranged on the first water supply pipe 41.

[0088] Embodiment 4

[0089] The composite refrigeration system, as shown in the figure, comprises a composite evaporative cooling air conditioning system, a fluorine pump heat pipe refrigeration system and a solar power generation device; Figure 1

[0090] The fluorine pump heat pipe refrigeration system comprises a heat pipe heat exchanger 13, a compressor 26, an evaporative condenser 37, a fluorine pump 27 and an expansion valve 23 connected in sequence to form a closed loop, and the expansion valve 23 is also connected with the heat pipe heat exchanger 13; the two ends of the fluorine pump 27 are also connected with a first bypass pipeline 38, and a bypass valve b28 is arranged on the first bypass pipeline 38; the two ends of the compressor 26 are also connected with a second bypass pipeline 39, and a bypass valve a25 is arranged on the second bypass pipeline 39;

[0091] The compressor 26 is connected with the solar power generation device, and the solar power generation device supplies power to the compressor 26.

[0092] The evaporative condenser 37 comprises a first shell 40, and outdoor air inlets 33 are arranged on two opposite side walls of the first shell 40; the first shell 40 is sequentially provided with a fan 29, a water baffle c30, a first water distribution device, a heat exchange coil 32, a filler 35 and a water collecting tank 34 from top to bottom;

[0093] The water collecting tank 34 is communicated with the first water distribution device through a first water supply pipe 41;

[0094] An air outlet 42 is arranged on the top wall of the first shell 40 corresponding to the fan 29;

[0095] The liquid outlet of the heat exchange coil 32 is communicated with the fluorine pump 27 through a pipeline, and the liquid inlet of the heat exchange coil 32 is communicated with the compressor 26 through a pipeline.

[0096] ​The first water supply pipe 41 is provided with a circulating water pump c36.

[0097] The first water distribution device comprises a first water distribution pipe 43, the first water distribution pipe 43 is provided with a plurality of first nozzles 31, and the first water distribution pipe 43 is in communication with the first water supply pipe 41.

[0098] Embodiment 5

[0099] The composite refrigeration system, as shown in the figure, comprises a composite evaporative cooling air conditioning system, a fluorine pump heat pipe refrigeration system and a solar power generation device. Figure 1

[0100] The fluorine pump heat pipe refrigeration system comprises a heat pipe heat exchanger 13, a compressor 26, an evaporative condenser 37, a fluorine pump 27 and an expansion valve 23 connected in sequence to form a closed loop, and the expansion valve 23 is also connected with the heat pipe heat exchanger 13; the fluorine pump 27 is also connected with a first bypass pipe 38 at both ends, and the first bypass pipe 38 is provided with a bypass valve b28; the compressor 26 is also connected with a second bypass pipe 39 at both ends, and the second bypass pipe 39 is provided with a bypass valve a25;

[0101] The compressor 26 is connected with the solar power generation device, and the solar power generation device supplies power to the compressor 26.

[0102] The evaporative condenser 37 comprises a first shell 40, and the two opposite side walls of the first shell 40 are both provided with an outdoor air inlet 33; the first shell 40 is provided, from top to bottom, with a fan 29, a water baffle c30, a first water distribution device, a heat exchange coil 32, a filler 35 and a water collecting tank 34;

[0103] The water collecting tank 34 is in communication with the first water distribution device through the first water supply pipe 41;

[0104] The top wall of the first shell 40 corresponding to the fan 29 is provided with an air outlet 42;

[0105] The liquid outlet of the heat exchange coil 32 is in communication with the fluorine pump 27 through a pipe, and the liquid inlet of the heat exchange coil 32 is in communication with the compressor 26 through a pipe.

[0106] The first water supply pipe 41 is provided with a circulating water pump c36.

[0107] The first water distribution device comprises a first water distribution pipe 43, the first water distribution pipe 43 is provided with a plurality of first nozzles 31, and the first water distribution pipe 43 is in communication with the first water supply pipe 41.

[0108] ​The composite evaporative cooling air conditioning system comprises a second shell 44, two opposite side walls of the second shell 44 are respectively provided with an air inlet 1 and an air outlet 15, and the second shell 44 is sequentially provided with an air filter 2, a vertical pipe type indirect evaporative cooling section, a fluid power type water spraying chamber section and an air supply fan 14 in the air flow direction;

[0109] A secondary air outlet 19 is arranged at the top wall of the second shell 44 corresponding to the vertical pipe type indirect evaporative cooling section, and a secondary air inlet 6 is arranged on the side wall of the second shell 44 corresponding to the position of the vertical pipe type indirect evaporative cooling section.

[0110] The solar power generation device is arranged outside the top wall of the second shell 44, and the heat pipe heat exchanger 13 is arranged in the second shell 44 and located between the fluid power type water spraying chamber section and the air supply fan 14.

[0111] Embodiment 6

[0112] The composite refrigeration system, as shown in the figure, comprises a composite evaporative cooling air conditioning system, a fluorine pump heat pipe refrigeration system and a solar power generation device. Figure 1

[0113] The fluorine pump heat pipe refrigeration system comprises a heat pipe heat exchanger 13, a compressor 26, an evaporative condenser 37, a fluorine pump 27 and an expansion valve 23 connected in sequence to form a closed loop, and the expansion valve 23 is also connected with the heat pipe heat exchanger 13; the two ends of the fluorine pump 27 are also connected with a first bypass pipeline 38, and the first bypass pipeline 38 is provided with a bypass valve b28; the two ends of the compressor 26 are also connected with a second bypass pipeline 39, and the second bypass pipeline 39 is provided with a bypass valve a25.

[0114] The compressor 26 is connected with the solar power generation device, and the solar power generation device supplies power to the compressor 26.

[0115] The evaporative condenser 37 comprises a first shell 40, and the two opposite side walls of the first shell 40 are both provided with an outdoor air inlet 33; the first shell 40 is sequentially provided with a fan 29, a water baffle c30, a first water distribution device, a heat exchange coil 32, a filler 35 and a water collecting tank 34 from top to bottom.

[0116] The water collecting tank 34 is communicated with the first water distribution device through a first water supply pipeline 41.

[0117] The top wall of the first shell 40 corresponding to the fan 29 is provided with an air outlet 42.

[0118] The liquid outlet of the heat exchange coil 32 is communicated with the fluorine pump 27 through a pipeline, and the liquid inlet of the heat exchange coil 32 is communicated with the compressor 26 through a pipeline.

[0119] A circulating water pump c36 is arranged on the first water supply pipeline 41. ​

[0120] The first water distribution device comprises a first water distribution pipe 43, a plurality of first nozzles 31 are arranged on the first water distribution pipe 43, and the first water distribution pipe 43 is communicated with the first water supply pipe 41.

[0121] The composite evaporative cooling air conditioning system comprises a second shell 44, air inlets 1 and air outlets 15 are arranged on two opposite side walls of the second shell 44 respectively, and the second shell 44 is sequentially provided with an air filter 2, a vertical pipe type indirect evaporative cooling section, a fluid power type water spraying chamber section and an air supply fan 14 in the air flow direction;

[0122] A secondary air outlet 19 is arranged on the top wall of the second shell 44 corresponding to the vertical pipe type indirect evaporative cooling section, and a secondary air inlet 6 is arranged on the side wall of the second shell 44 corresponding to the position of the vertical pipe type indirect evaporative cooling section;

[0123] The solar power generation device is arranged outside the top wall of the second shell 44, and the heat pipe heat exchanger 13 is arranged in the second shell 44 and located between the fluid power type water spraying chamber section and the air supply fan 14.

[0124] The vertical pipe type indirect evaporative cooling section comprises, from top to bottom, a secondary fan 18, a water baffle 17, a second water distribution device, a heat exchange pipe group 4 and a circulating water tank a5; the second water distribution device is communicated with the circulating water tank a5 through a second water supply pipe 45, and a circulating water pump a3 is arranged on the second water supply pipe 45;

[0125] The secondary air outlet 19 is arranged on the top wall of the second shell 44 corresponding to the secondary fan 18, and the secondary air inlet 6 is arranged on the side wall of the second shell 44 corresponding to the position between the heat exchange pipe group 4 and the circulating water tank a5.

Claims

1. Compound refrigeration system, characterized in that: It includes a composite evaporative cooling air conditioning system, a fluorine pump heat pipe refrigeration system and a solar power generation device; The fluorine pump heat pipe refrigeration system comprises a heat pipe heat exchanger (13), a compressor (26), an evaporative condenser (37), a fluorine pump (27) and an expansion valve (23) which are sequentially connected to form a closed loop, and the expansion valve (23) is also connected to the heat pipe heat exchanger (13); both ends of the fluorine pump (27) are also connected to a first bypass pipe (38), and a bypass valve b (28) is provided on the first bypass pipe (38); both ends of the compressor (26) are also connected to a second bypass pipe (39), and a bypass valve a (25) is provided on the second bypass pipe (39); The compressor (26) is connected to a solar power generation device, and the solar power generation device supplies power to the compressor (26).

2. The compound refrigeration system according to claim 1, characterized in that: The evaporative condenser (37) includes a first shell (40), and outdoor air inlets (33) are provided on two opposite side walls of the first shell (40); a fan (29), a water baffle c (30), a first water distribution device, a heat exchange coil (32), a filler (35), and a water collecting tank (34) are provided in the first shell (40) from top to bottom. The water collecting tank (34) is connected to the first water distribution device through the first water supply pipe (41); An air outlet (42) is provided on the top wall of the first housing (40) corresponding to the upper portion of the fan (29); The liquid outlet of the heat exchange coil (32) is connected to the fluorine pump (27) through a pipeline, and the liquid inlet of the heat exchange coil (32) is connected to the compressor (26) through a pipeline.

3. The compound refrigeration system according to claim 2, characterized in that: A circulating water pump c (36) is provided on the first water supply pipe (41).

4. The compound refrigeration system according to claim 2, characterized in that: The first water distribution device comprises a first water distribution pipe (43), a plurality of first nozzles (31) are provided on the first water distribution pipe (43), and the first water distribution pipe (43) is connected to the first water supply pipe (41).

5. The compound refrigeration system according to claim 2, characterized in that: The composite evaporative cooling air conditioning system comprises a second shell (44), two opposite side walls of the second shell (44) are respectively provided with an air inlet (1) and an air outlet (15), and an air filter (2), a vertical pipe indirect evaporative cooling section, a fluid dynamic water spray chamber section and a blower (14) are sequentially provided in the second shell (44) according to the air flow direction; A secondary air outlet (19) is provided on the top wall of the second shell (44) corresponding to the vertical tube indirect evaporative cooling section; a secondary air inlet (6) is provided on the side wall of the second shell (44) corresponding to the position where the vertical tube indirect evaporative cooling section is located; The solar power generation device is arranged outside the top wall of the second shell (44), and the heat pipe heat exchanger (13) is arranged inside the second shell (44), located between the fluid power type water spray chamber section and the air blower (14).

6. The compound refrigeration system according to claim 5, characterized in that: The vertical tube indirect evaporative cooling section includes a secondary fan (18), a water baffle b (17), a second water distribution device, a heat exchange tube group (4), and a circulating water tank a (5) arranged in sequence from top to bottom; the second water distribution device is connected to the circulating water tank a (5) through a second water supply pipe (45), and a circulating water pump a (3) is provided on the second water supply pipe (45); The secondary air outlet (19) is located on the top wall of the second shell (44) corresponding to the upper side of the secondary fan (18); the secondary air inlet (6) is located on the side wall of the second shell (44) corresponding to the heat exchange tube group (4) and the circulating water tank a (5).

7. The compound refrigeration system according to claim 6, characterized in that: The second water distribution device includes a second water distribution pipe (47), a plurality of second nozzles (16) are provided on the second water distribution pipe (47), and the second water distribution pipe (47) is connected to the circulating water tank a (5) through the second water supply pipe (45).

8. The compound refrigeration system according to claim 5, characterized in that: The fluid dynamic water spray chamber section includes an air distribution plate (7), a plurality of target-type impinging flow nozzle units, and a water baffle a (12) arranged in sequence according to the air flow direction; and also includes a circulating water tank b (11), which is located below the plurality of target-type impinging flow nozzle units, the water baffle a (12), and the heat pipe heat exchanger (13).

9. The compound refrigeration system according to claim 8, characterized in that: The target-type impinging stream nozzle unit comprises a vertical U-shaped water distribution pipe (10) and a third water supply pipe (46); a plurality of third nozzles (8) are provided on the U-shaped water distribution pipe (10); the U-shaped water distribution pipe (10) is connected to a circulating water tank b (11) through the third water supply pipe (46); and a circulating water pump b (9) is provided on the third water supply pipe (46).

10. The compound refrigeration system according to claim 5, characterized in that: The solar power generation device comprises a solar photovoltaic panel (20), a photovoltaic controller (22), a battery (21) and a photovoltaic bracket (24) connected in sequence, wherein the battery (21) is connected to the compressor (26); the solar photovoltaic panel (20) is mounted on the outside of the top wall of the second housing (44) via the photovoltaic bracket (24).

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