Circulating refrigeration device

Abstract

The invention relates to the technical field of refrigeration, and provides a circulating refrigeration device which is characterized in that a screw compression device is arranged in a mounting box and is fixedly connected with the mounting box. And the vibration filtering device is arranged in the mounting box, is arranged below the screw compression device, is fixedly connected with the mounting box and is connected with the screw compression device. And the spray evaporation device is arranged in the mounting box, below the screw compression device and on the side of the vibration filtering device, is fixedly connected with the mounting box, is connected with the vibration filtering device and is communicated with the screw compression device. When work begins, a worker opens the screw compression device and the spray evaporation device. When a worker opens the screw compression device, the screw compression device compresses a coolant into high-temperature and high-pressure liquid, then the coolant passes through the vibration filtering device to filter impurities in the coolant, and the coolant enters the spraying evaporation device to complete heat exchange with external air after passing through the vibration filtering device and returns to the screw compression device. Therefore, refrigeration circulation is completed.

Description

Technical Field

[0001] The invention relates to the technical field of refrigeration, in particular to a circulating refrigeration device. Background Art

[0002] The circulating refrigeration device transfers and reduces heat by circulating refrigerants such as Freon, ammonia, etc., which are now mostly environmentally friendly refrigerants, in a closed system. Its basic process includes four main links: compression, condensation, expansion and evaporation. First, the refrigerant is compressed into a high-temperature and high-pressure gas in the compressor, and then releases heat and condenses into a high-pressure liquid in the condenser. Then, the high-pressure liquid is depressurized by the expansion valve, enters the evaporator and absorbs heat to evaporate into a low-temperature and low-pressure gas, absorbing the heat of the cooled object, thereby achieving a refrigeration effect. Finally, the low-temperature and low-pressure refrigerant gas is sucked into the compressor again to start a new cycle. During the refrigeration cycle, the coolant will be mixed with impurities, which will cause damage to the compressor. Summary of the invention

[0003] The invention aims to solve the technical problem of how to filter impurities in the coolant, and proposes a circulating refrigeration device. The technical solution of the invention is as follows: A circulating refrigeration device comprises: an installation box, a screw compression device, a vibration filtering device, and a spray evaporation device. The screw compression device is arranged inside the installation box and fixedly connected to the installation box. The vibration filtering device is arranged inside the installation box, arranged below the screw compression device, fixedly connected to the installation box, and connected to the screw compression device. The spray evaporation device is arranged inside the installation box, arranged below the screw compression device, and arranged on the side of the vibration filtering device. The spray evaporation device is connected to the vibration filtering device and communicated with the screw compression device.

[0004] When the work starts, the staff turns on the screw compressor and the spray evaporator. When the staff turns on the screw compressor, the screw compressor compresses the low-temperature and low-pressure coolant into a high-temperature and high-pressure liquid. The coolant then condenses and becomes a low-temperature and high-pressure liquid. The low-temperature and high-pressure liquid passes through the vibration filter to filter out impurities in the coolant. At the same time, the vibration will reduce the pressure of the coolant, thereby reducing the temperature of the coolant. After passing through the vibration filter, the coolant enters the spray evaporator and completes heat exchange with the external air. After that, the coolant returns to the screw compressor, thereby completing the refrigeration cycle.

[0005] Furthermore, the screw compression device includes: a partition, a compression cylinder, an active screw, a passive screw, a motor, an active gear, a passive gear, a condenser, and a first connecting pipe. The partition is horizontally arranged and arranged inside the installation box, and the partition is fixedly connected to the installation box. The compression cylinder is horizontally arranged and arranged above the partition, and is rotatably connected to the partition. Its rotation axis is horizontally arranged. The active screw is horizontal, passes through the side of the compression cylinder, and is fixedly connected to the compression cylinder. The passive screw is parallel to the active screw, passes through the side of the compression cylinder, and is rotatably connected to the side of the compression cylinder, and its rotation axis is parallel to the rotation axis of the active screw. The motor shaft is arranged above the partition in parallel with the active screw, and is arranged on the side of the active screw away from the compression cylinder, and the motor shaft is fixedly connected to the active screw. The active gear is sleeved on the active screw, and is arranged on the side of the motor close to the compression cylinder, and the active gear is fixedly connected to the active screw. The passive gear is sleeved on the passive screw, and is arranged on the side of the active gear, and the passive gear is fixedly connected to the passive screw and meshes with the active gear. The condenser is arranged inside the installation box, passes through the partition, and is arranged on the side of the motor away from the compression cylinder. The condenser is fixedly connected to the installation box. The first connecting pipe is arranged on the side of the motor, on the side of the compression cylinder close to the motor, and on the side of the condenser close to the motor. One end of the first connecting pipe is connected to the compression cylinder, and the other end is connected to the condenser.

[0006] When the work starts, the staff turns on the motor and the condenser. When the staff turns on the motor, the motor rotation drives the active screw to rotate, the active screw rotation drives the active gear to rotate, the active gear rotation drives the passive gear to rotate, the passive gear drives the passive screw to rotate, the active screw and the passive screw rotate to compress the low-temperature and low-pressure coolant into high-temperature and high-pressure liquid, and then the high-temperature and high-pressure liquid enters the condenser through the first connecting pipe, and the coolant becomes low-temperature and high-pressure liquid after passing through the condenser.

[0007] Furthermore, the condenser is a water-cooled condenser.

[0008] The water-cooled condenser has a high heat transfer efficiency and can dissipate heat in a shorter time, which helps save energy and reduce operating costs.

[0009] Furthermore, sealing rubber rings are provided at the connection between the active screw and the passive screw and the compression cylinder.

[0010] The sealing rubber ring prevents the coolant from flowing out of the compression cylinder.

[0011] Furthermore, the vibration filtering device includes: a filter box, an upper connecting pipe, a lower connecting pipe, a sleeve, a filter plate, a fixed frame, a plurality of first springs, a cam, a first connecting rod, a second connecting rod, a first fixed rod, and a second connecting pipe. The filter box is arranged inside the installation box, below the partition, and on the side of the condenser, and the filter box is fixedly connected to the bottom surface inside the installation box. The upper connecting pipe is arranged vertically, arranged inside the filter box, and the upper connecting pipe is fixedly connected to the top surface inside the filter box. The lower connecting pipe is arranged vertically, arranged inside the filter box, and arranged directly below the upper connecting pipe, and the upper connecting pipe is fixedly connected to the bottom surface inside the filter box. The sleeve is sleeved on the upper connecting pipe and arranged on the lower connecting pipe, and the sleeve is slidably connected to the upper connecting pipe and slidably connected to the lower connecting pipe. The filter plate is arranged horizontally, arranged in the sleeve, arranged below the upper connecting pipe, and arranged above the lower connecting pipe, and the filter plate is fixedly connected to the sleeve. The fixed frame is arranged horizontally, arranged inside the filter box, sleeved on the sleeve, and the fixed frame is fixedly connected to the filter box. A plurality of first springs are horizontally arranged between the fixed frame and the sleeve, one end of the plurality of first springs is fixedly connected to the sleeve, and the other end is fixedly connected to the fixed frame, and the plurality of first springs are arranged equidistantly along a circle inside the fixed frame. The cam is sleeved on the passive screw and arranged on the side of the passive gear away from the compression cylinder, and the cam is fixedly connected to the passive gear. The first connecting rod is vertically arranged and arranged on the side of the cam away from the passive gear. The upper end of the first connecting rod is rotatably connected to the cam, and its rotation axis is parallel to the rotation axis of the passive screw. The second connecting rod is vertically arranged, passes through the partition, and passes through the internal top surface of the filter box. The second connecting rod is arranged below the first connecting rod and is arranged on the side of the sleeve. The second connecting rod is slidably connected to the partition in the vertical direction and is slidably connected to the internal top surface of the filter box. The upper end of the second connecting rod is rotatably connected to the first connecting rod, and its rotation axis is parallel to the rotation axis of the passive screw. The first fixing rod is horizontally arranged, arranged inside the filter box, arranged on the side of the sleeve, arranged above the fixing frame, and arranged above the second connecting rod. One end of the first fixing rod is fixedly connected to the sleeve, and the other end is rotatably connected to the lower end of the second connecting rod, and its rotation axis is parallel to the rotation axis of the passive screw. The second connecting pipe is horizontally arranged, one end of the second connecting pipe is connected to the condenser, and the other end of the second connecting pipe is connected to the upper connecting pipe.

[0012] When the passive screw rotates, the passive screw drives the cam to rotate, the rotation of the cam drives the first connecting rod to rotate, the rotation of the first connecting rod drives the second connecting rod to move up and down, the up and down movement of the second connecting rod drives the first fixed rod to move up and down, the up and down movement of the first fixed rod drives the sleeve to move up and down, the up and down movement of the sleeve drives the filter plate to move up and down, thereby filtering out impurities in the coolant. At the same time, the coolant can be diverted to reduce the pressure of the coolant, thereby reducing the temperature of the coolant.

[0013] Furthermore, the sleeve is in a sealed state with the upper connecting pipe and the lower connecting pipe.

[0014] The sleeve is in a sealed state with the upper connecting pipe and the lower connecting pipe to prevent the coolant from flowing out.

[0015] Furthermore, the filter plate is made of activated alumina.

[0016] Activated alumina can dry and filter moisture and acidic substances in the coolant to protect the compressor.

[0017] Furthermore, the spray evaporation device includes: a ventilation device and a cooling device. The ventilation device is arranged below the partition, and the filter box is arranged on the side away from the condenser, and the ventilation device is fixedly connected to the installation box. The cooling device is arranged inside the ventilation device, connected to the ventilation device, fixedly connected to the second connecting rod, and communicated with the compression cylinder.

[0018] When work begins, the worker turns on the ventilation device, which draws high-temperature gas into the ventilation device, and the cooling device absorbs the heat in the high-temperature gas. Afterwards, the ventilation device discharges the low-temperature gas.

[0019] Furthermore, the ventilation device includes: an evaporator box, a heat exchange tube, an exhaust fan, a first air inlet pipe, a second air inlet pipe, and an air outlet pipe. The evaporator box is arranged inside the installation box, arranged below the partition, and arranged on the side of the filter box away from the condenser. The evaporator box is fixedly connected to the bottom surface of the installation box. The heat exchange tube is arranged inside the evaporator box and fixedly connected to the evaporator box. The exhaust fan is arranged in the installation box, arranged on the side of the evaporator box away from the filter box, arranged below the partition, and the exhaust fan is fixedly connected to the bottom surface of the installation box. The first air inlet pipe runs through the side of the installation box close to the exhaust fan, and is arranged on the side of the exhaust fan away from the evaporator box. The first air inlet pipe is connected to the exhaust fan, the second air inlet pipe runs through the side of the evaporator box close to the exhaust fan, and is arranged on the side of the heat exchange tube. One end of the second air inlet pipe is connected to the heat exchange tube, and the other end is connected to the exhaust fan. The air outlet pipe runs through the side of the evaporator box close to the filter box, and is arranged on the side of the heat exchange tube away from the first air inlet pipe. One end of the air outlet pipe is connected to the heat exchange tube.

[0020] When work starts, the staff turns on the exhaust fan, which sucks external air from the first air inlet pipe into the exhaust fan, and then the air is transported to the second air inlet pipe by the exhaust fan. The air enters the heat exchange pipe through the second air inlet pipe to exchange heat with the coolant. The low-temperature air enters the air outlet pipe through the heat exchange pipe, and the low-temperature air enters the external air from the air outlet pipe, thereby cooling the air.

[0021] Further, the cooling device includes: a sliding plate, a plurality of cooling nozzles, a first water pump, a third connecting pipe, a second fixed rod, two sliding rods, two second springs, a wedge block, a top rod, a second water pump, a fourth connecting pipe, and a fifth connecting pipe. The sliding plate is horizontally arranged, arranged inside the evaporation box, and arranged above the heat exchange tube. The sliding plate is slidably connected to the evaporation box along the direction of the passive screw. A plurality of cooling nozzles are arranged below the sliding plate, and arranged above the heat exchange tube. A plurality of cooling nozzles are fixedly connected to the sliding plate. The first water pump is arranged below the partition, and arranged between the filter box and the evaporation box. The first water pump is fixedly connected to the bottom surface of the installation box and communicated with the lower connecting pipe. The third connecting pipe runs through the side of the evaporation box close to the filter box. The upper end of the third connecting pipe is connected to the plurality of cooling nozzles, and the lower end is connected to the first water pump. The second fixed rod is parallel to the first fixed rod. The fixed rod runs through the side of the evaporation box close to the filter box, and is arranged on the side of the sliding plate. The fixed rod is slidably connected to the evaporation box along the horizontal direction, and one end of the fixed rod is fixedly connected to the sliding plate. The two sliding rods are parallel to the second fixed rod, and are respectively arranged on the upper and lower sides of the second fixed rod, and are arranged on the side of the evaporation box close to the filter box. One end of the two sliding rods is fixedly connected to the side of the evaporation box close to the filter box. The two second springs are respectively sleeved on the two sliding rods, and one end of the two second springs is fixedly connected to the side of the evaporation box close to the filter box. The wedge block is sleeved on the two sliding rods and is arranged on the side of the two second springs close to the filter box. The wedge block is slidably connected with the sliding rod along the axis direction of the sliding rod, and is fixedly connected with the other end of the second fixed rod. The side of the wedge block close to the evaporation box is fixedly connected with the two second springs. The top rod is parallel to the second fixed rod, penetrates the side of the filter box close to the evaporation box, is arranged on the side of the second connecting rod away from the first fixed rod, and is arranged on the side of the wedge block close to the filter box. One end of the top rod is fixedly connected to the second connecting rod, and the other end contacts the wedge block. The second water pump is arranged between the exhaust fan and the evaporation box, and is arranged below the partition. The second water pump is fixedly connected to the bottom surface of the inside of the installation box. The fourth connecting pipe is arranged between the second water pump and the evaporation tank, one end of the fourth connecting pipe is connected to the second water pump, and the other end is connected to the evaporation tank. The fifth connecting pipe runs through the partition, the upper end of the fifth connecting pipe is connected to the compression cylinder, and the lower end is connected to the second water pump.

[0022] When the second connecting rod moves up and down, the second connecting rod drives the push rod to move up and down, the up and down movement of the push rod drives the wedge block to move left and right, the left and right movement of the wedge block drives the second fixed rod to move left and right, the left and right movement of the second fixed rod drives the sliding plate to move left and right, the left and right movement of the sliding plate drives the cooling nozzle to move left and right, thereby increasing the spraying area. At the same time, when the cooling nozzle moves left and right, the coolant temperature can be reduced.

[0023] Beneficial effects of the present invention: 1. When the passive screw rotates, the passive screw drives the cam and the first connecting rod to rotate, the rotation of the first connecting rod drives the second connecting rod to move up and down, and the up and down movement of the second connecting rod drives the first fixed rod, sleeve and filter plate to move up and down, thereby filtering out impurities in the coolant. At the same time, the coolant can be diverted to reduce the pressure of the coolant, thereby reducing the temperature of the coolant.

[0024] 2. When the second connecting rod moves up and down, the second connecting rod drives the push rod to move up and down, and the up and down movement of the push rod drives the wedge block, the second fixed rod, the sliding plate and the cooling nozzle to move left and right, thereby increasing the spraying area. At the same time, when the cooling nozzle moves left and right, the coolant temperature can be reduced.

[0025] 3. The activated alumina filter plate can dry and filter the moisture and acidic substances in the coolant to protect the compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] Figure 1 It is a front cross-sectional view of the present invention; Figure 2 It is a top cross-sectional view of the present invention.

[0028] Description of the accompanying drawings: 1. Installation box; 201. Partition plate; 202. Compression cylinder; 203. Active screw; 204. Passive screw; 205. Motor; 206. Active gear; 207. Passive gear; 208. Condenser; 209. First connecting pipe; 301. Filter box; 302. Upper connecting pipe; 303. Lower connecting pipe; 304. Sleeve; 305. Filter plate; 306. Fixing frame; 307. First spring; 308. Cam; 309. First connecting rod; 310. Second connecting rod; 311 , first fixed rod; 312, second connecting pipe; 401, evaporator; 402, heat exchange tube; 403, exhaust fan; 404, first air inlet pipe; 405, second air inlet pipe; 406, air outlet pipe; 501, sliding plate; 502, cooling nozzle; 503, first water pump; 504, third connecting pipe; 505, second fixed rod; 506, sliding rod; 507, second spring; 508, wedge block; 509, push rod; 510, second water pump; 511, fourth connecting pipe; 512, fifth connecting pipe. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-Figure 2 The present invention provides a circulating refrigeration device, including: an installation box 1, a screw compression device, a vibration filtering device, and a spray evaporation device. The screw compression device is arranged inside the installation box 1 and is fixedly connected to the installation box 1. The vibration filtering device is arranged inside the installation box 1, arranged below the screw compression device, fixedly connected to the installation box 1, and connected to the screw compression device. The spray evaporation device is arranged inside the installation box 1, arranged below the screw compression device, and arranged on the side of the vibration filtering device. The spray evaporation device is connected to the vibration filtering device and communicated with the screw compression device.

[0031] When the work starts, the staff turns on the screw compressor and the spray evaporator. When the staff turns on the screw compressor, the screw compressor compresses the low-temperature and low-pressure coolant into a high-temperature and high-pressure liquid. The coolant then condenses and becomes a low-temperature and high-pressure liquid. The low-temperature and high-pressure liquid passes through the vibration filter to filter out impurities in the coolant. At the same time, the vibration will reduce the pressure of the coolant, thereby reducing the temperature of the coolant. After passing through the vibration filter, the coolant enters the spray evaporator and completes heat exchange with the external air. After that, the coolant returns to the screw compressor, thereby completing the refrigeration cycle.

[0032] The screw compression device includes: a partition 201, a compression cylinder 202, an active screw 203, a passive screw 204, a motor 205, an active gear 206, a passive gear 207, a condenser 208, and a first connecting pipe 209. The partition 201 is horizontally arranged, arranged inside the installation box 1, and the partition 201 is fixedly connected to the installation box 1. The compression cylinder 202 is horizontally arranged, arranged above the partition 201, and is rotatably connected to the partition 201. Its rotation axis is horizontally arranged. The active screw 203 is horizontal, passes through the side of the compression cylinder 202, and the active screw 203 is fixedly connected to the compression cylinder 202. The passive screw 204 is parallel to the active screw 203, passes through the side of the compression cylinder 202, and the passive screw 204 is rotatably connected to the side of the compression cylinder 202, and its rotation axis is parallel to the rotation axis of the active screw 203. The rotating shaft of the motor 205 is arranged above the partition 201 in parallel with the active screw 203, and is arranged on the side of the active screw 203 away from the compression cylinder 202, and the rotating shaft of the motor 205 is fixedly connected to the active screw 203. The driving gear 206 is sleeved on the active screw 203, and is arranged on the side of the motor 205 close to the compression cylinder 202, and the driving gear 206 is fixedly connected to the active screw 203. The passive gear 207 is sleeved on the passive screw 204, and is arranged on the side of the active gear 206. The passive gear 207 is fixedly connected to the passive screw 204 and meshes with the active gear 206. The condenser 208 is arranged inside the installation box 1, passes through the partition 201, and is arranged on the side of the motor 205 away from the compression cylinder 202, and the condenser 208 is fixedly connected to the installation box 1. The first connecting pipe 209 is arranged on the side of the motor 205, on the side of the compression cylinder 202 close to the motor 205, and on the side of the condenser 208 close to the motor 205. One end of the first connecting pipe 209 is connected to the compression cylinder 202, and the other end is connected to the condenser 208.

[0033] When the work starts, the staff turns on the motor 205 and the condenser 208. When the staff turns on the motor 205, the motor 205 rotates to drive the active screw 203 to rotate, the active screw 203 rotates to drive the active gear 206 to rotate, the active gear 206 rotates to drive the passive gear 207 to rotate, the passive gear 207 drives the passive screw 204 to rotate, the active screw 203 and the passive screw 204 rotate to compress the low-temperature and low-pressure coolant into a high-temperature and high-pressure liquid, and then the high-temperature and high-pressure liquid enters the condenser 208 through the first connecting pipe 209, and the coolant becomes a low-temperature and high-pressure liquid after passing through the condenser 208.

[0034] The condenser 208 is a water-cooled condenser.

[0035] The water-cooled condenser 208 has a high heat transfer efficiency and can dissipate heat in a shorter time, which helps to save energy and reduce operating costs.

[0036] Sealing rubber rings are provided at the connection points between the active screw 203 and the passive screw 204 and the compression cylinder 202 .

[0037] The sealing rubber ring prevents the coolant from flowing out of the compression cylinder 202 .

[0038] The vibration filtering device includes: a filter box 301, an upper connecting pipe 302, a lower connecting pipe 303, a sleeve 304, a filter plate 305, a fixing frame 306, a plurality of first springs 307, a cam 308, a first connecting rod 309, a second connecting rod 310, a first fixing rod 311, and a second connecting pipe 312. The filter box 301 is arranged inside the installation box 1, below the partition 201, and on the side of the condenser 208, and the filter box 301 is fixedly connected to the bottom surface inside the installation box 1. The upper connecting pipe 302 is vertically arranged inside the filter box 301, and the upper connecting pipe 302 is fixedly connected to the top surface inside the filter box 301. The lower connecting pipe 303 is vertically arranged inside the filter box 301, and is arranged directly below the upper connecting pipe 302, and the upper connecting pipe 302 is fixedly connected to the bottom surface inside the filter box 301. The sleeve 304 is sleeved on the upper connecting tube 302 and arranged on the lower connecting tube 303. The sleeve 304 is slidably connected to the upper connecting tube 302 and the lower connecting tube 303. The filter plate 305 is horizontally arranged, arranged in the sleeve 304, arranged below the upper connecting tube 302 and arranged above the lower connecting tube 303. The filter plate 305 is fixedly connected to the sleeve 304. The fixing frame 306 is horizontally arranged, arranged inside the filter box 301, sleeved on the sleeve 304, and the fixing frame 306 is fixedly connected to the filter box 301. A plurality of first springs 307 are horizontally arranged, arranged between the fixing frame 306 and the sleeve 304. One end of the plurality of first springs 307 is fixedly connected to the sleeve 304, and the other end is fixedly connected to the fixing frame 306. The plurality of first springs 307 are arranged equidistantly along a circle inside the fixing frame 306. The cam 308 is sleeved on the passive screw 204 and is arranged on the side of the passive gear 207 away from the compression cylinder 202. The cam 308 is fixedly connected to the passive gear 207. The first connecting rod 309 is vertically arranged and arranged on the side of the cam 308 away from the passive gear 207. The upper end of the first connecting rod 309 is rotatably connected to the cam 308, and its rotation axis is parallel to the rotation axis of the passive screw 204. The second connecting rod 310 is vertically arranged, passing through the partition 201 and the internal top surface of the filter box 301. The second connecting rod 310 is arranged below the first connecting rod 309 and is arranged on the side of the sleeve 304. The second connecting rod 310 is slidably connected to the partition 201 in the vertical direction and is slidably connected to the internal top surface of the filter box 301. The upper end of the second connecting rod 310 is rotatably connected to the first connecting rod 309, and its rotation axis is parallel to the rotation axis of the passive screw 204. The first fixing rod 311 is horizontally arranged, arranged inside the filter box 301, arranged on the side of the sleeve 304, arranged above the fixing frame 306, and arranged above the second connecting rod 310. One end of the first fixing rod 311 is fixedly connected to the sleeve 304, and the other end is rotatably connected to the lower end of the second connecting rod 310, and its rotation axis is parallel to the rotation axis of the passive screw 204. The second connecting pipe 312 is horizontally arranged, one end of the second connecting pipe 312 is connected to the condenser 208, and the other end of the second connecting pipe 312 is connected to the upper connecting pipe 302.

[0039] When the passive screw 204 rotates, the passive screw 204 drives the cam 308 to rotate, the rotation of the cam 308 drives the first connecting rod 309 to rotate, the rotation of the first connecting rod 309 drives the second connecting rod 310 to move up and down, the up and down movement of the second connecting rod 310 drives the first fixed rod 311 to move up and down, the up and down movement of the first fixed rod 311 drives the sleeve 304 to move up and down, the up and down movement of the sleeve 304 drives the filter plate 305 to move up and down, thereby filtering out impurities in the coolant. At the same time, the coolant can be diverted to reduce the pressure of the coolant, thereby reducing the temperature of the coolant.

[0040] The sleeve 304 is in a sealed state with the upper connecting pipe 302 and the lower connecting pipe 303 .

[0041] The sleeve 304 and the upper connecting pipe 302 and the lower connecting pipe 303 are in a sealed state to prevent the coolant from flowing out.

[0042] The filter plate 305 is made of activated alumina.

[0043] Activated alumina can dry and filter moisture and acidic substances in the coolant to protect the compressor.

[0044] The spray evaporation device includes: a ventilation device and a cooling device. The ventilation device is arranged below the partition 201, and the filter box 301 is arranged on the side away from the condenser 208, and the ventilation device is fixedly connected to the installation box 1. The cooling device is arranged inside the ventilation device, connected to the ventilation device, fixedly connected to the second connecting rod 310, and communicated with the compression cylinder 202.

[0045] When work begins, the worker turns on the ventilation device, which draws high-temperature gas into the ventilation device, and the cooling device absorbs the heat in the high-temperature gas. Afterwards, the ventilation device discharges the low-temperature gas.

[0046] The ventilation device includes: an evaporation box 401, a heat exchange tube 402, an exhaust fan 403, a first air inlet pipe 404, a second air inlet pipe 405, and an air outlet pipe 406. The evaporation box 401 is arranged inside the installation box 1, arranged below the partition 201, and arranged on the side of the filter box 301 away from the condenser 208, and the evaporation box 401 is fixedly connected to the bottom surface of the interior of the installation box 1. The heat exchange tube 402 is arranged inside the evaporation box 401 and is fixedly connected to the evaporation box 401. The exhaust fan 403 is arranged inside the installation box 1, arranged on the side of the evaporation box 401 away from the filter box 301, arranged below the partition 201, and the exhaust fan 403 is fixedly connected to the bottom surface of the interior of the installation box 1. The first air inlet pipe 404 penetrates the side of the installation box 1 close to the exhaust fan 403, and is arranged on the side of the exhaust fan 403 away from the evaporation box 401. The first air inlet pipe 404 is connected to the exhaust fan 403. The second air inlet pipe 405 penetrates the side of the evaporation box 401 close to the exhaust fan 403, and is arranged on the side of the heat exchange tube 402. One end of the second air inlet pipe 405 is connected to the heat exchange tube 402, and the other end is connected to the exhaust fan 403. The air outlet pipe 406 penetrates the side of the evaporation box 401 close to the filter box 301, and is arranged on the side of the heat exchange tube 402 away from the first air inlet pipe 404. One end of the air outlet pipe 406 is connected to the heat exchange tube 402.

[0047] When work starts, the staff turns on the exhaust fan 403, and the exhaust fan 403 sucks external air from the first air inlet pipe 404 into the exhaust fan 403. The air is then transported to the second air inlet pipe 405 by the exhaust fan 403. The air enters the heat exchange pipe 402 through the second air inlet pipe 405 to exchange heat with the coolant. Then, the low-temperature air enters the air outlet pipe 406 through the heat exchange pipe 402, and the low-temperature air enters the external air from the air outlet pipe 406, thereby cooling the air.

[0048] The cooling device includes: a sliding plate 501, a plurality of cooling nozzles 502, a first water pump 503, a third connecting pipe 504, a second fixed rod 505, two sliding rods 506, two second springs 507, a wedge block 508, a top rod 509, a second water pump 510, a fourth connecting pipe 511, and a fifth connecting pipe 512. The sliding plate 501 is horizontally arranged, arranged inside the evaporation box 401, and arranged above the heat exchange tube 402. The sliding plate 501 is slidably connected to the evaporation box 401 along the direction of the passive screw 204. A plurality of cooling nozzles 502 are arranged below the sliding plate 501 and above the heat exchange tube 402. A plurality of cooling nozzles 502 are fixedly connected to the sliding plate 501. The first water pump 503 is arranged below the partition 201, and arranged between the filter box 301 and the evaporation box 401. The first water pump 503 is fixedly connected to the bottom surface of the installation box 1 and communicates with the lower connecting pipe 303. The third connecting pipe 504 penetrates the side of the evaporation box 401 close to the filter box 301. The upper end of the third connecting pipe 504 is connected to the plurality of cooling nozzles 502, and the lower end is connected to the first water pump 503. The second fixing rod 505 is parallel to the first fixing rod 311, penetrates the side of the evaporation box 401 close to the filter box 301, is arranged on the side of the sliding plate 501, and is slidably connected to the evaporation box 401 in the horizontal direction. One end of the second fixing rod 505 is fixedly connected to the sliding plate 501. Two sliding rods 506 are parallel to the second fixing rod 505, respectively arranged on the upper and lower sides of the second fixing rod 505, and are arranged on the side of the evaporation box 401 close to the filter box 301. One end of the two sliding rods 506 is respectively fixedly connected to the side of the evaporation box 401 close to the filter box 301. Two second springs 507 are respectively sleeved on the two sliding rods 506, and one end of the two second springs 507 is fixedly connected to the side of the evaporation box 401 close to the filter box 301. The wedge block 508 is sleeved on the two sliding rods 506 and is arranged on the side of the two second springs 507 close to the filter box 301. The wedge block 508 is slidably connected with the sliding rod 506 along the axis direction of the sliding rod 506 and is fixedly connected with the other end of the second fixed rod 505. The side of the wedge block 508 close to the evaporation box 401 is fixedly connected with the two second springs 507. The top rod 509 is parallel to the second fixed rod 505, penetrates the side of the filter box 301 close to the evaporation box 401, is arranged on the side of the second connecting rod 310 away from the first fixed rod 311, and is arranged on the side of the wedge block 508 close to the filter box 301. One end of the top rod 509 is fixedly connected with the second connecting rod 310, and the other end contacts with the wedge block 508. The second water pump 510 is arranged between the exhaust fan 403 and the evaporation box 401, and is arranged below the partition 201. The second water pump 510 is fixedly connected to the inner bottom surface of the installation box 1. The fourth connecting pipe 511 is disposed between the second water pump 510 and the evaporation tank 401 . One end of the fourth connecting pipe 511 is connected to the second water pump 510 , and the other end of the fourth connecting pipe 511 is connected to the evaporation tank 401 .The fifth connecting pipe 512 passes through the partition 201 , the upper end of the fifth connecting pipe 512 is connected to the compression cylinder 202 , and the lower end of the fifth connecting pipe 512 is connected to the second water pump 510 .

[0049] When the second connecting rod 310 moves up and down, the second connecting rod 310 drives the push rod 509 to move up and down, the push rod 509 moves up and down and drives the wedge block 508 to move left and right, the wedge block 508 moves left and right and drives the second fixed rod 505 to move left and right, the second fixed rod 505 moves left and right and drives the sliding plate 501 to move left and right, the sliding plate 501 moves left and right and drives the cooling nozzle 502 to move left and right, thereby increasing the spraying area. At the same time, when the cooling nozzle 502 moves left and right, the coolant temperature can be reduced.

[0050] Working principle: When the work starts, the staff turns on the motor 205, the condenser 208, the first water pump 503, the second water pump 510 and the exhaust fan 403. When the staff turns on the motor 205, the motor 205 rotates to drive the active screw 203 to rotate, the active screw 203 rotates to drive the active gear 206 to rotate, the active gear 206 rotates to drive the passive gear 207 to rotate, the passive gear 207 drives the passive screw 204 to rotate, the active screw 203 and the passive screw 204 rotate to compress the low-temperature and low-pressure coolant into a high-temperature and high-pressure liquid, and then the high-temperature and high-pressure liquid enters the condenser 208 through the first connecting pipe 209, the coolant passes through the condenser 208 and becomes a low-temperature and high-pressure liquid, the low-temperature and high-pressure liquid enters the upper connecting pipe 302 through the second connecting pipe 312, and then the low-temperature and high-pressure liquid is filtered through the filter plate 305, and the low-temperature and high-pressure liquid is filtered. The warm and high-pressure liquid passes through the filter plate 305 and enters the lower connecting pipe 303. The low-temperature and high-pressure liquid enters the first water pump 503 through the lower connecting pipe 303. The first water pump 503 delivers the coolant through the third connecting pipe 504 into the cooling nozzle 502. The coolant is ejected from the cooling nozzle 502 and sprayed on the heat exchange tube 402 to cool the gas in the heat exchange tube 402. The coolant becomes a low-temperature and low-pressure liquid. After that, the low-temperature and low-pressure liquid enters the second water pump 510 through the fourth connecting pipe 511. The second water pump 510 transports the low-temperature and low-pressure liquid to the fifth connecting pipe 512. The low-temperature and low-pressure liquid enters the compression cylinder 202 through the fifth connecting pipe 512 to complete the refrigeration cycle.

[0051] When the passive screw 204 rotates, the passive screw 204 drives the cam 308 to rotate, the rotation of the cam 308 drives the first connecting rod 309 to rotate, the rotation of the first connecting rod 309 drives the second connecting rod 310 to move up and down, the up and down movement of the second connecting rod 310 drives the first fixed rod 311 to move up and down, the up and down movement of the first fixed rod 311 drives the sleeve 304 to move up and down, the up and down movement of the sleeve 304 drives the filter plate 305 to move up and down, thereby filtering out impurities in the coolant. At the same time, the coolant can be diverted to reduce the pressure of the coolant, thereby reducing the temperature of the coolant.

[0052] When the second connecting rod 310 moves up and down, the second connecting rod 310 drives the push rod 509 to move up and down, the push rod 509 moves up and down and drives the wedge block 508 to move left and right, the wedge block 508 moves left and right and drives the second fixed rod 505 to move left and right, the second fixed rod 505 moves left and right and drives the sliding plate 501 to move left and right, the sliding plate 501 moves left and right and drives the cooling nozzle 502 to move left and right, thereby increasing the spraying area. At the same time, when the cooling nozzle 502 moves left and right, the coolant temperature can be reduced.

[0053] When the staff turns on the exhaust fan 403, the exhaust fan 403 sucks external air from the first air inlet pipe 404 into the exhaust fan 403, and then the air is transported to the second air inlet pipe 405 by the exhaust fan 403. After the air enters the heat exchange pipe 402 through the second air inlet pipe 405 and exchanges heat with the coolant, the low-temperature air enters the air outlet pipe 406 through the heat exchange pipe 402, and the low-temperature air enters the external air from the air outlet pipe 406, thereby cooling the air.

[0054] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A circulating refrigeration device, characterized in that: include: An installation box (1), a screw compression device, a vibration filtering device, and a spray evaporation device; the screw compression device is arranged inside the installation box (1) and is fixedly connected to the installation box (1); the vibration filtering device is arranged inside the installation box (1), arranged below the screw compression device, fixedly connected to the installation box (1), and connected to the screw compression device; the spray evaporation device is arranged inside the installation box (1), arranged below the screw compression device, and arranged to the side of the vibration filtering device; the spray evaporation device is connected to the vibration filtering device and communicated with the screw compression device.

2. A circulating refrigeration device according to claim 1, characterized in that: The screw compression device comprises: a partition (201), a compression cylinder (202), an active screw (203), a passive screw (204), a motor (205), an active gear (206), a passive gear (207), a condenser (208), and a first connecting pipe (209); the partition (201) is arranged horizontally, disposed inside the installation box (1), and the partition (201) is fixedly connected to the installation box (1); the compression cylinder (202) is arranged horizontally, disposed above the partition (201), and is rotatably connected to the partition (201); its rotation axis is arranged horizontally; the active screw The active screw (203) is horizontal and passes through the side of the compression cylinder (202), and the active screw (203) is fixedly connected to the compression cylinder (202); the passive screw (204) is parallel to the active screw (203), passes through the side of the compression cylinder (202), and the passive screw (204) is rotatably connected to the side of the compression cylinder (202), and its rotation axis is parallel to the rotation axis of the active screw (203); the motor (205) shaft is arranged above the partition (201) in parallel with the active screw (203), and is arranged at a position where the active screw (203) is away from the compression cylinder (20 2), the motor (205) shaft is fixedly connected to the active screw (203); the active gear (206) is sleeved on the active screw (203), and is arranged on the side of the motor (205) close to the compression cylinder (202), and the active gear (206) is fixedly connected to the active screw (203); the passive gear (207) is sleeved on the passive screw (204), and is arranged on the side of the active gear (206), and the passive gear (207) is fixedly connected to the passive screw (204), and meshes with the active gear (206); the condensing The condenser (208) is arranged inside the installation box (1), passes through the partition (201), and is arranged on the side of the motor (205) away from the compression cylinder (202). The condenser (208) is fixedly connected to the installation box (1); the first connecting pipe (209) is arranged on the side of the motor (205), on the side of the compression cylinder (202) close to the motor (205), and on the side of the condenser (208) close to the motor (205). One end of the first connecting pipe (209) is connected to the compression cylinder (202), and the other end is connected to the condenser (208).

3. A circulating refrigeration device according to claim 2, characterized in that: The condenser (208) is a water-cooled condenser (208).

4. A circulating refrigeration device according to claim 2, characterized in that: Sealing rubber rings are provided at the connection points between the active screw (203) and the passive screw (204) and the compression cylinder (202).

5. A circulating refrigeration device according to claim 2, characterized in that: The vibration filtering device comprises: a filter box (301), an upper connecting pipe (302), a lower connecting pipe (303), a sleeve (304), a filter plate (305), a fixing frame (306), a plurality of first springs (307), a cam (308), a first connecting rod (309), a second connecting rod (310), a first fixing rod (311), and a second connecting pipe (312); the filter box (301) is arranged inside the installation box (1), below the partition (201), and to the side of the condenser (208); the filter box (301) is fixedly connected to the bottom surface of the installation box (1); the upper connecting pipe (302) The filter box (301) is vertically arranged and arranged inside the filter box (301). The upper connecting pipe (302) is fixedly connected to the top surface inside the filter box (301). The lower connecting pipe (303) is vertically arranged and arranged inside the filter box (301). It is arranged directly below the upper connecting pipe (302). The upper connecting pipe (302) is fixedly connected to the bottom surface inside the filter box (301). The sleeve (304) is sleeved on the upper connecting pipe (302) and arranged on the lower connecting pipe (303). The sleeve (304) is slidably connected to the upper connecting pipe (302) and the lower connecting pipe (303). The filter plate (305) is water-tight. The filter box (301) is horizontally arranged, arranged in the sleeve (304), arranged below the upper connecting pipe (302), and arranged above the lower connecting pipe (303), and the filter plate (305) is fixedly connected to the sleeve (304); the fixing frame (306) is horizontally arranged, arranged inside the filter box (301), and sleeved on the sleeve (304), and the fixing frame (306) is fixedly connected to the filter box (301); a plurality of the first springs (307) are horizontally arranged, arranged between the fixing frame (306) and the sleeve (304), and one end of the plurality of the first springs (307) is fixedly connected to the sleeve (304), and the other end is fixedly connected to the sleeve (304). The fixed frame (306) is fixedly connected, and a plurality of the first springs (307) are arranged equidistantly along a circle inside the fixed frame (306); the cam (308) is sleeved on the passive screw (204), and is arranged on the side of the passive gear (207) away from the compression cylinder (202), and the cam (308) is fixedly connected to the passive gear (207); the first connecting rod (309) is vertically arranged, and is arranged on the side of the cam (308) away from the passive gear (207), and the upper end of the first connecting rod (309) is rotatably connected to the cam (308), and its rotation axis is parallel to the rotation axis of the passive screw (204);The second connecting rod (310) is vertically arranged, passes through the partition (201), and passes through the inner top surface of the filter box (301); the second connecting rod (310) is arranged below the first connecting rod (309) and on the side of the sleeve (304); the second connecting rod (310) is slidably connected to the partition (201) in the vertical direction, and is slidably connected to the inner top surface of the filter box (301); the upper end of the second connecting rod (310) is rotatably connected to the first connecting rod (309), and its rotation axis is parallel to the rotation axis of the passive screw (204); the first fixing rod (311) is horizontally arranged, Arranged inside the filter box (301), arranged on the side of the sleeve (304), arranged above the fixing frame (306), and arranged above the second connecting rod (310); one end of the first fixing rod (311) is fixedly connected to the sleeve (304), and the other end is rotatably connected to the lower end of the second connecting rod (310), and its rotation axis is parallel to the rotation axis of the passive screw (204); the second connecting pipe (312) is arranged horizontally, one end of the second connecting pipe (312) is connected to the condenser (208), and the other end of the second connecting pipe (312) is connected to the upper connecting pipe (302). ; 6. A circulating refrigeration device according to claim 5, characterized in that: The sleeve (304) is in a sealed state with the upper connecting pipe (302) and the lower connecting pipe (303).

7. A circulating refrigeration device according to claim 5, characterized in that: The filter plate (305) is made of activated alumina.

8. A circulating refrigeration device according to claim 5, characterized in that: The spray evaporation device comprises: a ventilation device and a cooling device; the ventilation device is arranged below the partition (201), and is arranged on the side of the filter box (301) away from the condenser (208), and the ventilation device is fixedly connected to the installation box (1); the cooling device is arranged inside the ventilation device, connected to the ventilation device, fixedly connected to the second connecting rod (310), and communicated with the compression cylinder (202).

9. A circulating refrigeration device according to claim 8, characterized in that: The ventilation device comprises: an evaporation box (401), a heat exchange tube (402), an exhaust fan (403), a first air inlet pipe (404), a second air inlet pipe (405), and an air outlet pipe (406); the evaporation box (401) is arranged inside the installation box (1), below the partition (201), and on the side of the filter box (301) away from the condenser (208); the evaporation box (401) is fixedly connected to the bottom surface of the interior of the installation box (1); the heat exchange tube (402) is arranged inside the evaporation box (401), and is fixedly connected to the evaporation box (401); the exhaust fan (403) is arranged inside the installation box (1), on the side of the evaporation box (401) away from the filter box (301), and below the partition (201); the exhaust fan (403) is arranged inside the installation box (1), on the side of the evaporation box (401) away from the filter box (301), and below the partition (201); the exhaust fan (403) is fixedly connected to the bottom surface of the interior of the installation box (1). The first air inlet pipe (404) passes through the side of the installation box (1) close to the exhaust fan (403) and is arranged on the side of the exhaust fan (403) away from the evaporation box (401); the first air inlet pipe (404) is in communication with the exhaust fan (403); the second air inlet pipe (405) passes through the side of the evaporation box (401) close to the exhaust fan (403) and is arranged on the side of the heat exchange tube (402); one end of the second air inlet pipe (405) is in communication with the heat exchange tube (402) and the other end is in communication with the exhaust fan (403); the air outlet pipe (406) passes through the side of the evaporation box (401) close to the filter box (301) and is arranged on the side of the heat exchange tube (402) away from the first air inlet pipe (404); one end of the air outlet pipe (406) is in communication with the heat exchange tube (402).

10. A circulating refrigeration device according to claim 9, characterized in that: The cooling device comprises: a sliding plate (501), a plurality of cooling nozzles (502), a first water pump (503), a third connecting pipe (504), a second fixed rod (505), two sliding rods (506), two second springs (507), a wedge block (508), a push rod (509), a second water pump (510), a fourth connecting pipe (511), and a fifth connecting pipe (512); the sliding plate (501) is horizontally arranged inside the evaporation box (401) and above the heat exchange tube (402); the sliding plate (501) is slidably connected to the evaporation box (401) along the direction of the passive screw (204); the plurality of cooling nozzles (502) are arranged on the sliding plate (5 01), is arranged above the heat exchange tube (402), and a plurality of the cooling nozzles (502) are fixedly connected to the sliding plate (501); the first water pump (503) is arranged below the partition (201), and is arranged between the filter box (301) and the evaporation box (401); the first water pump (503) is fixedly connected to the inner bottom surface of the installation box (1), and is communicated with the lower connecting pipe (303); the third connecting pipe (504) passes through the side of the evaporation box (401) close to the filter box (301), the upper end of the third connecting pipe (504) is communicated with a plurality of the cooling nozzles (502), and the lower end is communicated with the first water pump (503); the second fixed The rod (505) is parallel to the first fixed rod (311), the fixed rod passes through the side of the evaporation box (401) close to the filter box (301), and is arranged on the side of the sliding plate (501), the fixed rod is connected to the evaporation box (401) in a horizontal sliding direction, and one end of the fixed rod is fixedly connected to the sliding plate (501); the two sliding rods (506) are parallel to the second fixed rod (505), and are respectively arranged on the upper and lower sides of the second fixed rod (505), and are arranged on the side of the evaporation box (401) close to the filter box (301), and one end of the two sliding rods (506) is respectively fixed to the side of the evaporation box (401) close to the filter box (301). The two second springs (507) are respectively sleeved on the two sliding rods (506), and one end of the two second springs (507) is fixedly connected to the side of the evaporation box (401) close to the filter box (301); the wedge block (508) is sleeved on the two sliding rods (506), and is arranged on the side of the two second springs (507) close to the filter box (301); the wedge block (508) is slidably connected to the sliding rod (506) along the axial direction of the sliding rod (506), and is fixedly connected to the other end of the second fixed rod (505); the wedge block (508) is fixedly connected to the two second springs (507) on the side close to the evaporation box (401);The top rod (509) is parallel to the second fixing rod (505), passes through the side of the filter box (301) close to the evaporation box (401), is arranged on the side of the second connecting rod (310) away from the first fixing rod (311), and is arranged on the side of the wedge block (508) close to the filter box (301); one end of the top rod (509) is fixedly connected to the second connecting rod (310), and the other end is in contact with the wedge block (508); the second water pump (510) is arranged between the exhaust fan (403) and the evaporation box (401); The second water pump (510) is arranged below the partition (201), and is fixedly connected to the inner bottom surface of the installation box (1); the fourth connecting pipe (511) is arranged between the second water pump (510) and the evaporation box (401), one end of the fourth connecting pipe (511) is connected to the second water pump (510), and the other end is connected to the evaporation box (401); the fifth connecting pipe (512) passes through the partition (201), the upper end of the fifth connecting pipe (512) is connected to the compression cylinder (202), and the lower end is connected to the second water pump (510).

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