Water-cooled energy-saving air compression system and air conditioning equipment

Abstract

The invention relates to the technical field of air conditioning refrigeration, in particular to a water-cooled energy-saving air compression system and air conditioning equipment, which comprises a compression device, an atomization device and a vortex separation device which are integrally controlled by a control module. The compression device comprises a compressor body, an impeller part and a machine shell, an air inlet pipe and an air outlet pipe are arranged on the machine shell in a communicating mode, and the atomization device is arranged on the machine shell to spray liquid into the machine shell. The vortex separation device comprises a vortex tube, the air inlet end of the vortex tube is communicated with the air outlet tube, the low-temperature end of the vortex tube is provided with a low-temperature air tube, and the high-temperature end is provided with a high-temperature air tube. Working media used in the system are air and water, flammable refrigerants cannot be introduced even if leakage occurs, and the safety of the whole system is greatly improved; the atomization cooling technology is integrated in the compression process, compressed air is directly cooled through evaporation and heat absorption of liquid drops, compression power consumption is effectively reduced, and the isothermal efficiency of the compression stage is improved.

Description

Technical Field

[0001] This invention relates to the field of air conditioning and refrigeration technology, specifically to a water-cooled energy-saving compressed air system and air conditioning equipment. Background Technology

[0002] Current mainstream room air conditioners are based on vapor compression cycle technology, and their original design was intended to serve mild and controllable environments such as ordinary homes and commercial buildings. However, with the continuous expansion of human production and living spaces, a large number of special usage environments have placed more stringent requirements on temperature control equipment, and existing technologies have exposed their inherent limitations and potential risks in these scenarios.

[0003] In industries such as petroleum, chemical, pharmaceutical, and aerospace, there are high-risk environments filled with large amounts of flammable and explosive gases or dust. In these environments, electrical components inside traditional air conditioner indoor units (such as compressor relays and fan motors) may generate electrical sparks during start-up and shutdown, posing a significant ignition source hazard. Furthermore, if a refrigerant leak occurs in the closed-loop system, some chemical refrigerants are themselves flammable, instantly escalating the danger level at the scene. To address these safety issues, the market has introduced pure compressed air refrigeration solutions based on vortex tubes. This technology requires no electricity to drive the refrigeration components, is inherently explosion-proof, and uses air as the working fluid; however, its high energy consumption leads to high operating costs. Summary of the Invention

[0004] The purpose of this invention is to provide a water-cooled energy-saving compressed air system and air conditioning equipment that can reduce operating costs while ensuring safety.

[0005] In a first aspect, embodiments of this application provide a water-cooled energy-saving compressed air system, comprising: A compression device includes a compressor body, an impeller component, and a housing. The impeller component is coaxially arranged on the output end of the compressor body and located inside the housing. An inlet pipe and an outlet pipe are connected to the housing. An atomizing device includes a liquid inlet tank and an atomizing section. The atomizing section is disposed on the housing to spray liquid into the housing. The liquid outlet of the liquid inlet tank is connected to the liquid inlet of the atomizing section. A vortex separator includes a vortex tube, the inlet end of which is connected to the outlet pipe, and a low-temperature gas pipe is provided at the low-temperature end of the vortex tube and a high-temperature gas pipe is provided at the high-temperature end.

[0006] In some embodiments, the compressor body includes a main shaft, a liquid inlet channel is provided in the main shaft, the main shaft includes an impeller section and a liquid inlet section, a liquid inlet hole communicating with the liquid inlet channel is provided on the liquid inlet section, and a liquid outlet hole communicating with the liquid inlet channel is provided on the impeller section; The impeller component includes a connecting sleeve and a fan blade, and the connecting sleeve has an atomizing hole in the radial direction for communicating with the liquid outlet hole; The atomizing unit includes a liquid inlet connector, which is rotatably connected to the liquid inlet section along a coaxial axis. The liquid inlet connector has a liquid supply channel for communicating with the liquid inlet hole. The liquid inlet tank is connected to the liquid inlet channel through the liquid inlet connector.

[0007] In some embodiments, the atomizing hole is opened at the junction of the fan blade and the connecting sleeve, and a centrifugal atomizing groove is opened on the fan blade, one end of the centrifugal atomizing groove communicating with the atomizing hole.

[0008] In some embodiments, a first receiving groove corresponding to the liquid outlet hole is provided circumferentially on the inner wall of the connecting sleeve, and the atomizing hole communicates with the first receiving groove.

[0009] In some embodiments, a second receiving groove corresponding to the liquid inlet hole is formed on the inner wall of the liquid inlet connector, and the liquid supply channel communicates with the second receiving groove.

[0010] In some embodiments, the liquid inlet connector is provided with sealing portions at both ends.

[0011] In some embodiments, a first sealing member is provided at the end of the spindle, and the first sealing member is sealed to the liquid inlet connector.

[0012] In some embodiments, a filter element is provided between the liquid inlet tank and the atomizing unit.

[0013] In some embodiments, a filter cover is provided on the air intake pipe.

[0014] Secondly, this application provides an air conditioning device, including an air inlet channel, an air outlet channel, and an exhaust channel, and also includes the aforementioned water-cooled energy-saving compressed air system, wherein the air inlet channel is connected to the air inlet pipe of the compression device, the air outlet channel is connected to the low-temperature air pipe, and the exhaust channel is connected to the high-temperature air pipe.

[0015] The water-cooled energy-saving compressed air system and air conditioning system provided in this application have the following significant advantages compared to the prior art: 1. By integrating atomization cooling technology into the compression process, the compressed air is directly cooled by the heat absorption of droplet evaporation, which effectively reduces the power consumption of compression and improves the isothermal efficiency of the compression stage. The compressed air directly enters the vortex tube for energy separation to obtain low-temperature cold air and high-temperature hot air, which simplifies the complex refrigeration circuit of traditional air conditioners, reduces the dependence on maintenance, and is especially suitable for stable and long-term operation in harsh industrial environments.

[0016] 2. The working fluids used in this application are air and water. Even if a leak occurs, no flammable refrigerant will be introduced, which greatly improves the safety of the entire system and can meet the safety requirements of industrial workshops in petroleum, chemical, and pharmaceutical industries where flammable and explosive gases or dust exist.

[0017] 3. The water-cooled energy-saving compressed air system and air conditioning equipment provided in this application have core equipment located outdoors. Low-temperature airflow is generated instantly through vortex tubes and delivered indoors, eliminating the need to install other equipment indoors and fundamentally eliminating the risk of combustion and explosion caused by electric sparks. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the water-cooled energy-saving compressed air system in this invention; Figure 2 This is a schematic diagram of the compression device and atomizing device in this invention; Figure 3 This is a schematic diagram of the compression device in this invention; Figure 4 This is an exploded view of the compressed package in this invention; Figure 5 This is an exploded cross-sectional view of the compressed package in this invention. Figure 6 for Figure 5 Enlarged view of section A; Figure 7 This is a schematic diagram of the liquid inlet connector in this invention.

[0019] Reference numerals: 1. Compression device; 11. Compressor body; 111. Main shaft; 112. Impeller section; 113. Liquid inlet section; 114. Liquid inlet channel; 115. Liquid inlet hole; 116. Liquid outlet hole; 12. Casing; 121. Air inlet pipe; 122. Air outlet pipe; 13. Impeller component; 131. Connecting sleeve; 132. Fan blade; 133. Atomizing hole; 134. Centrifugal atomizing tank; 135. First container 14. Tank; 15. First sealing element; 2. Filter cover; 2. Atomizing device; 21. Atomizing section; 211. Liquid inlet connector; 212. Liquid supply channel; 213. Second receiving tank; 214. Sealing section; 22. Liquid inlet tank; 23. Water supply pump; 24. Filter element; 25. Second sealing element; 3. Vortex separation device; 31. Vortex tube; 32. Low temperature gas pipe; 33. High temperature gas pipe; 4. Heat exchange and condensation device. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0022] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0023] In the description of the embodiments of the present invention, it should be noted that if terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of the invention is in use, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, terms such as "first," "second," and "third" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0024] Furthermore, the use of terms such as "horizontal," "vertical," and "sag" does not imply that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0025] Current mainstream room air conditioners are based on vapor compression cycle technology, and their original design was intended to serve mild and controllable environments such as ordinary homes and commercial buildings. However, with the continuous expansion of human production and living spaces, a large number of special usage environments have placed more stringent requirements on temperature control equipment, and existing technologies have exposed their inherent limitations and potential risks in these scenarios.

[0026] In industries such as petroleum, chemical, pharmaceutical, and aerospace, there are high-risk environments filled with large amounts of flammable and explosive gases or dust. In these environments, electrical components inside traditional air conditioner indoor units (such as compressor relays and fan motors) may generate electrical sparks during start-up and shutdown, posing a significant ignition source hazard. Furthermore, if a refrigerant leak occurs in the closed-loop system, some chemical refrigerants are themselves flammable, instantly escalating the danger level at the scene. To address these safety issues, the market has introduced pure compressed air refrigeration solutions based on vortex tubes. This technology requires no electricity to drive the refrigeration components, is inherently explosion-proof, and uses air as the working fluid; however, its high energy consumption leads to high operating costs.

[0027] In view of this, this application provides a water-cooled energy-saving compressed air system and air conditioning equipment.

[0028] Example 1 The first aspect of this application provides a water-cooled energy-saving compressed air system, with reference to... Figure 1 and Figure 2 The water-cooled energy-saving compressed air system includes a compressor unit 1, an atomizing unit 2, and a vortex separator 3. Each unit is controlled by a control module. The compressor unit 1 includes a compressor body 11, an impeller 13, and a housing 12. The impeller 13 is coaxially mounted on the output end of the compressor body 11 and located inside the housing 12. An inlet pipe 121 and an outlet pipe 122 are connected to the housing 12.

[0029] Reference Figures 2 to 4 The compressor body 11 includes a motor and a main shaft 111. The motor drives the main shaft 111 to rotate. The impeller 13 is coaxially mounted on the output end of the main shaft 111 by an interference fit or key connection. The impeller 13 is sealed inside the housing 12. The housing 12 has an airflow passage machined inside to guide the airflow and reduce aerodynamic losses. The housing 12 is provided with an inlet pipe 121 and an outlet pipe 122. The inlet pipe 121 is located at the axial center of the housing 12 and is used to draw in ambient air. The outlet pipe 122 is located radially on the housing 12 and is used to discharge the compressed gas.

[0030] In some embodiments, a filter cover 15 is provided on the intake pipe 121. The intake pipe 121 inlet is provided with a detachable filter cover 15 structure. The filter cover 15 is made of multi-layer stainless steel mesh or polymer fiber filter material, which can effectively block particulate pollutants and impurities in the air, reduce the risk of wear of internal components of the compressor, and ensure long-term stable operation of the compressor, so as to be suitable for dusty industrial environments.

[0031] Reference Figures 5 to 7The main shaft 111 has a liquid inlet channel 114. The main shaft 111 includes an impeller section 112 and a liquid inlet section 113. The liquid inlet section 113 has a liquid inlet hole 115 communicating with the liquid inlet channel 114, and the impeller section 112 has a liquid outlet hole 116 communicating with the liquid inlet channel 114. The main shaft 111 is a hollow alloy steel forging. The extended end of the main shaft 111 is structurally divided into an impeller section 112 and a liquid inlet section 113. The impeller section 112 is used to install the impeller component 13, and the liquid inlet section 113 is used to install the input component of the atomizing device 2.

[0032] The liquid inlet channel 114 is opened inside the main shaft 111 along the axial direction of the main shaft 111, passing through the impeller section 112 and the liquid inlet section 113. The wall of the liquid inlet section 113 is evenly distributed with multiple liquid inlet holes 115 that communicate with the liquid inlet channel 114, which are used to allow water from the atomizing part 21 to enter. The impeller section 112 is provided with radial or oblique liquid outlet holes 116 to realize the transfer of water from the inside of the main shaft 111 to the impeller 13. The liquid inlet channel 114 is opened at the end of the main shaft 111. The end of the main shaft 111 is provided with a second sealing member 25 to block the channel between the liquid inlet section 113 and the end of the main shaft 111.

[0033] Reference Figures 5 to 7 The atomizing device 2 includes a liquid inlet box 22 and an atomizing part 21. The atomizing part 21 is disposed on the housing 12 to spray liquid into the housing 12. The liquid outlet end of the liquid inlet box 22 is connected to the liquid inlet end of the atomizing part 21. Specifically, the impeller component 13 includes a connecting sleeve 131 and a fan blade 132. The connecting sleeve 131 is radially provided with an atomizing hole 133 for communicating with the liquid outlet hole 116.

[0034] The impeller component 13 includes a connecting sleeve 131 and airfoil-shaped or arc-shaped fan blades 132 arranged around it. The connecting sleeve 131 has a plurality of atomizing holes 133 radially opened on it. The plurality of atomizing holes 133 are evenly spaced along the circumference. The atomizing holes 133 are connected to the liquid outlet holes 116 of the impeller section 112 of the main shaft 111 through a rotary sealing structure, so that the liquid can be sprayed out at high speed from the rotating impeller component 13 under the action of centrifugal force and broken and atomized into water mist by the impeller component 13.

[0035] By integrating atomization cooling technology into the compression process, the compressed air is directly cooled by the heat absorption of droplet evaporation, which effectively reduces the power consumption of compression and improves the isothermal efficiency of the compression stage. The compressed air directly enters the vortex tube 31 for energy separation to obtain low-temperature cold air and high-temperature hot air, which simplifies the complex refrigeration circuit of traditional air conditioners, reduces the dependence on maintenance, and is especially suitable for stable and long-term operation in harsh industrial environments.

[0036] Reference Figure 1The vortex separator 3 includes a vortex tube 31. The inlet end of the vortex tube 31 is connected to the outlet pipe 122 of the compressor body 11. The inlet direction follows the eccentricity of the inlet structure of the vortex tube 31. A low-temperature gas pipe 32 is provided at the low-temperature end of the vortex tube 31, and a high-temperature gas pipe 33 is provided at the high-temperature end. When the compressor draws in air, it compresses the air inside the casing 12. At the same time, water mist is sprayed into the casing 12 through the atomizing device 2 to absorb the heat generated during air compression. Then, room-temperature high-pressure gas is input into the vortex tube 31. Driven by the structure of the vortex tube 31, low-temperature dry gas and high-temperature humid gas are generated. The low-temperature dry gas is output to the space to be cooled through the low-temperature gas pipe 32, and the high-temperature humid gas is output to subsequent processing equipment or outdoors, thereby achieving a cooling effect.

[0037] The working fluids used in this application are air and water. Even in the event of a leak, no flammable refrigerant will be introduced, greatly improving the safety of the entire system and meeting the safety requirements of industrial workshops in the petroleum, chemical, and pharmaceutical industries where flammable and explosive gases or dust may be present. The core equipment in this application is all located outdoors, and a low-temperature airflow is instantly generated and delivered indoors via the vortex tube 31. No other equipment needs to be installed indoors, fundamentally eliminating the risk of combustion and explosion caused by electrical sparks.

[0038] Reference Figures 3 to 5 In some embodiments, the atomizing hole 133 is opened at the junction of the fan blade 132 and the connecting sleeve 131, and the fan blade 132 is provided with a centrifugal atomizing groove 134, one end of which is connected to the atomizing hole 133. The atomizing holes 133 are evenly spaced along the circumference, and the centrifugal atomizing grooves 134 correspond one-to-one with the atomizing holes 133. The centrifugal atomizing grooves 134 are located in front of the rotation direction of the fan blade 132, that is, on the concave surface of the fan blade 132. The cross-section of the centrifugal atomizing groove 134 is a straight groove with the same diameter as the atomizing hole 133, and it is opened on the same axis as the atomizing hole 133. When the gas is compressed and sucked in, water flows from the liquid inlet channel 114 through the atomizing holes 133 to the fan blade 132. Under the centrifugal action of the fan blade 132, it flows towards the edge along the centrifugal atomizing groove 134. When it reaches the edge of the fan blade 132, it is broken and atomized into water mist by the impeller component 13. Since the air is heated after compression, the atomized water quickly vaporizes and absorbs heat, thereby achieving isothermal compression of the air.

[0039] In some embodiments, a first receiving groove 135 corresponding to the liquid outlet 116 is provided circumferentially on the inner wall of the connecting sleeve 131. The atomizing hole 133 communicates with the first receiving groove 135. The width of the first receiving groove 135 covers the liquid outlet 116. When water flows out from the liquid outlet 116, it first enters the first receiving groove 135 and then flows out evenly from multiple atomizing holes 133 to make the atomization effect more uniform and stable.

[0040] The atomizing unit 21 includes a liquid inlet connector 211, which is rotatably connected to the liquid inlet section 113 along a coaxial axis. The liquid inlet connector 211 has a liquid supply channel 212 for communicating with the liquid inlet hole 115. The liquid inlet tank 22 is connected to the liquid inlet channel 114 via the liquid inlet connector 211. The liquid inlet connector 211 is connected to the liquid inlet tank 22 via a pipeline. A water supply pump 23 is installed between the liquid inlet connector 211 and the liquid inlet tank 22 to pump water from the liquid inlet tank 22 to the liquid inlet connector 211, thereby supplying water into the housing 12.

[0041] The liquid inlet section 113 is a shoulder-shaped structure with a diameter smaller than that of the main body of the spindle 111. The liquid inlet connector 211 is sleeved on the liquid inlet section 113 and abuts against the shoulder. The air inlet of the housing 12 is provided with a mounting shell. The mounting shell is provided with a fixing sleeve for auxiliary fixing of the liquid inlet connector 211. The fixing sleeve is fixedly connected to the mounting shell by multiple support rods. The fixing sleeve has a preset installation port for the liquid inlet pipeline to pass through.

[0042] Reference Figure 5 and Figure 7 The liquid inlet connector 211 has sealing portions 214 at both ends. The inner wall of the liquid inlet connector 211 has multi-layered sealing structures at both ends of the liquid inlet hole 115, forming two sets of sealing portions 214. In this embodiment, the sealing portion 214 is a toothed structure with uniform intervals. During the rotation of the main shaft 111, the gas between the toothed structures rotates at high speed to form an air film, effectively preventing water leakage from the gaps.

[0043] Reference Figure 2 Furthermore, a first sealing element 14 is provided at the end of the main shaft 111. The first sealing element 14 is sealed and connected to the liquid inlet connector 211. Specifically, a sealing first sealing element 14 is also provided on the outside of the fixed sleeve. The sealing first sealing element 14 is fixedly mounted on the fixed sleeve by bolts. A flexible sealing ring is provided between the sealing first sealing element 14 and the fixed sleeve to further seal the connection between the main shaft 111 and the liquid inlet connector 211, thereby improving the sealing performance of the entire structure.

[0044] Reference Figure 7 In some embodiments, a second receiving groove 213 corresponding to the liquid inlet hole 115 is formed on the inner wall of the liquid inlet connector 211, and the liquid supply channel 212 communicates with the second receiving groove 213. The width of the second receiving groove 213 covers the liquid inlet hole 115. Since the main shaft 111 is in a rotating state during operation, by setting the second receiving groove 213, the water pumped into the liquid inlet connector 211 first enters the second receiving groove 213 for buffering, so that water can enter evenly no matter what state the main shaft 111 rotates to.

[0045] In some embodiments, a filter element 24 is provided between the liquid tank and the atomizing section 21. To further improve system reliability, a high-strength filter element 24 is provided in the pipeline between the two. The filter element 24 can adopt a bag-type or sintered filter element structure to purify the liquid entering the atomizing section 21, effectively preventing solid particles from clogging the nozzle or flow channel, ensuring the uniformity and reliability of the atomization process, and extending the maintenance cycle of the atomizing device 2.

[0046] During operation, the compressor body 11 drives the impeller 13 to rotate, drawing air into the housing 12 through the intake pipe 121. The impeller 13 compresses the air within the housing 12, then outputs high-pressure air through the outlet pipe 122. During compression, the atomizing device 2 pumps water from the inlet tank 22 to the inlet connector 211, through the supply channel 212 into the second receiving groove 213, then through the inlet hole 115 into the inlet channel 114 of the main shaft 111, and finally through the outlet hole 116 into the first receiving groove 135 of the connecting sleeve 131, and then through... The atomizing holes 133, which are evenly spaced, enter the centrifugal atomizing tank 134. Under the action of high-speed rotation, the water flows to the end of the fan blade 132 and is torn into extremely small water mist by the fan blade 132. The high temperature of the compressed air is absorbed by the water mist vaporization, achieving isothermal compression. Then, the room temperature high pressure gas is input into the vortex tube 31. Driven by the structure of the vortex tube 31, low temperature dry gas and high temperature humid gas are generated. The low temperature dry gas is output to the space to be cooled through the low temperature gas pipe 32, and the high temperature humid gas is output to the subsequent processing equipment or outdoors, thereby achieving the cooling effect.

[0047] Example 2 Reference Figure 1 In some embodiments, the water-cooled energy-saving compressed air system further includes a heat exchange condensing device 4, which is provided with a condenser tube assembly and a cooling chamber. The condenser tube assembly is located in the cooling chamber. The high-temperature gas pipe 33 is connected to the inlet end of the condenser tube assembly, and the outlet end of the condenser tube assembly is connected to the outside, thereby cooling the high-temperature humid gas output from the vortex tube 31, condensing the water vapor in it, and recovering the condensate.

[0048] In some embodiments, a water recovery pipe is provided at the bottom of the heat exchange condensation device 4, and the water recovery pipe is connected to the liquid inlet tank 22, thereby realizing the recycling and reuse of condensate and reducing the water consumption of the entire structure.

[0049] In some embodiments, the cooling chamber of the heat exchange condensation device 4 is provided with a cooling inlet and a cooling outlet, both of which are connected to the liquid inlet tank 22. A cooling pump is provided between the cooling inlet and the liquid inlet tank 22, and the cooling pump pumps water from the liquid inlet tank 22 into the cooling chamber to cool the high-temperature humid gas in the condenser tube assembly. Through the arrangement of various pipelines, the effects of isothermal compression of gas, cooling of high-temperature humid gas, and condensate recovery are achieved through a single liquid inlet tank 22, which greatly improves the water utilization efficiency and reduces the water consumption of the entire device.

[0050] Example 3 Another aspect of this application provides an air conditioning device, including an air inlet channel, an air outlet channel, and an exhaust channel. The air inlet channel and the exhaust channel are connected to an external area, and the exhaust channel is connected to the area to be cooled. It also includes the aforementioned water-cooled energy-saving compressed air system. The air inlet channel is connected to the air inlet pipe 121 of the compression device 1, the air outlet channel is connected to the low-temperature air pipe 32, and the exhaust channel is connected to the high-temperature air pipe 33.

[0051] In the description of the embodiments of the present invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific circumstances.

Claims

1. A water-cooled energy-saving compressed air system, characterized in that, include: The compression device (1) includes a compressor body (11), an impeller (13) and a housing (12). The impeller (13) is coaxially arranged on the output end of the compressor body (11) and located inside the housing (12). An inlet pipe (121) and an outlet pipe (122) are connected on the housing (12). The atomizing device (2) includes a liquid inlet tank (22) and an atomizing part (21). The atomizing part (21) is disposed on the housing (12) to spray liquid into the housing (12). The liquid outlet of the liquid inlet tank (22) is connected to the liquid inlet of the atomizing part (21). The vortex separation device (3) includes a vortex tube (31), the inlet end of the vortex tube (31) is connected to the outlet pipe (122), and the low-temperature end of the vortex tube (31) is provided with a low-temperature gas pipe (32) and the high-temperature end is provided with a high-temperature gas pipe (33).

2. The water-cooled energy-saving compressed air system according to claim 1, characterized in that: The compressor body (11) includes a main shaft (111), and a liquid inlet channel (114) is provided in the main shaft (111). The main shaft (111) includes an impeller section (112) and a liquid inlet section (113). A liquid inlet hole (115) communicating with the liquid inlet channel (114) is provided on the liquid inlet section (113), and a liquid outlet hole (116) communicating with the liquid inlet channel (114) is provided on the impeller section (112). The impeller component (13) includes a connecting sleeve (131) and a fan blade (132). The connecting sleeve (131) has an atomizing hole (133) radially provided for communicating with the liquid outlet hole (116). The atomizing unit (21) includes a liquid inlet connector (211), which is rotatably connected to the liquid inlet section (113) on the same axis. The liquid inlet connector (211) has a liquid supply channel (212) for communicating with the liquid inlet hole (115). The liquid inlet tank (22) is connected to the liquid inlet channel (114) through the liquid inlet connector (211).

3. The water-cooled energy-saving compressed air system according to claim 2, characterized in that: The atomizing hole (133) is opened at the junction of the fan blade (132) and the connecting sleeve (131). The fan blade (132) is provided with a centrifugal atomizing groove (134), and one end of the centrifugal atomizing groove (134) is connected to the atomizing hole (133).

4. The water-cooled energy-saving compressed air system according to claim 2, characterized in that: The inner wall of the connecting sleeve (131) is provided with a first receiving groove (135) corresponding to the liquid outlet hole (116) along the circumferential direction, and the atomizing hole (133) is connected to the first receiving groove (135).

5. The water-cooled energy-saving compressed air system according to claim 2, characterized in that: The inner wall of the liquid inlet connector (211) is provided with a second receiving groove (213) corresponding to the liquid inlet hole (115), and the liquid supply channel (212) is connected to the second receiving groove (213).

6. The water-cooled energy-saving compressed air system according to claim 2, characterized in that: The liquid inlet connector (211) is provided with sealing parts (214) at both ends.

7. The water-cooled energy-saving compressed air system according to claim 2, characterized in that: The end of the main shaft (111) is provided with a first sealing member (14), which is sealed to the liquid inlet connector (211).

8. The water-cooled energy-saving compressed air system according to claim 1, characterized in that: A filter element (24) is provided between the liquid inlet tank (22) and the atomizing part (21).

9. The water-cooled energy-saving compressed air system according to claim 1, characterized in that: A filter cover (15) is provided on the air intake pipe (121).

10. An air conditioning device, comprising an air inlet duct, an air outlet duct, and an exhaust duct, characterized in that, It also includes the water-cooled energy-saving compressed air system according to any one of claims 1-9, wherein the air inlet channel is connected to the air inlet pipe (121) of the compression device (1), the air outlet channel is connected to the low-temperature air pipe (32), and the exhaust channel is connected to the high-temperature air pipe (33).

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