Spraying type heat exchange unit pre-cooling device

Abstract

A pre-cooling device of a pouring type heat exchange unit comprises an accelerated heat exchange assembly, a Y-shaped filter and a cooling water tank, and is characterized in that the cooling water tank is of a closed cuboid stainless steel structure, has a double-cooling function and is provided with an access hole and a cover plate; an evaporator composed of honeycomb cooling fins which are arranged in a preset number according to a specified sequence and are communicated with one another is arranged in the cooling water tank, a stirrer of the accelerated heat exchange assembly is vertically arranged on the right side of the evaporator, and a gas distribution pipe communicated with an air compressor is fixed to the bottom of the inner wall of the cooling water tank. One side of the cooling water tank is connected with the pre-cooling tank through a water pipe provided with a Y-shaped filter, the pre-cooling tank is communicated with the cooling water tank through a pipeline I provided with a circulating water pump and a falling film type water distributor, and the cooling water tank and the pre-cooling tank are fixedly provided with heat preservation protection layers. The problems that an accelerated heat exchange assembly in which a stirrer, a gas distribution pipe and an air compressor are matched cannot be used, a Y-shaped filter cannot be used, and honeycomb cooling fins cannot be used are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of refrigeration and refrigeration, especially to a showering type heat exchange unit precooling device. BACKGROUND

[0002] The heat exchange unit precooling device is the equipment that high-temperature materials exchange heat with low-temperature medium in the heat exchanger to ensure the cooling of high-temperature materials in the processing workshop and can precool and store cold to reduce the cooling load of subsequent work and save energy consumption. At present, the heat exchange unit precooling device has been widely used in poultry meat processing, chemical industry, petroleum and pharmaceutical industry and other fields. However, the heat exchange unit precooling device of the prior art cannot use the stirring device, gas distribution pipe and air compressor to cooperate with the accelerated heat exchange assembly, cannot accelerate the heat exchange efficiency of the medium and evaporator, cannot accelerate the ice melting process in the cooling tank, cannot use the Y-type filter, cannot filter the cooling medium into the precooling tank, cannot remove the impurities in the medium, cannot improve the service life of the equipment, cannot use the honeycomb heat sink, cannot sufficiently increase the heat exchange area and cannot greatly improve the heat exchange efficiency.

[0003] The patent No. ZL202220878844.6 discloses an integrated refrigeration station, which comprises a refrigerant circulating unit, a cooling unit, a refrigeration unit and a heat exchange unit. The refrigerant circulating unit comprises an evaporator, a compressor and a condenser. The cooling unit comprises a cooling tower. The refrigeration unit comprises a refrigeration water inlet and a constant pressure expansion tank. A first cooling circulation channel is arranged between the condenser and the cooling tower, and a second cooling circulation channel is arranged between the heat exchange unit and the cooling tower. A first refrigeration circulation channel is arranged between the evaporator and the refrigeration water inlet, and a second refrigeration circulation channel is arranged between the heat exchange unit and the refrigeration water inlet. A cooling pump is arranged in the connection section of the first cooling circulation channel and the second cooling circulation channel, and a refrigeration pump is arranged in the connection section of the first refrigeration circulation channel and the second refrigeration circulation channel. The utility model realizes modular installation and integrated control, switches the refrigeration scheme according to the temperature and has remarkable energy-saving effect. SUMMARY

[0004] To solve the above technical problems, the utility model provides a pressure steam dressing sterilization verification device which is provided with an accelerated heat exchange assembly, a Y-type filter, a stirring device, a gas distribution pipe, an air compressor, a Y-type filter and a honeycomb heat sink, can accelerate the heat exchange efficiency of the medium and evaporator, accelerate the ice melting process in the cooling tank, filter the cooling medium into the precooling tank, remove the impurities in the medium, improve the service life of the equipment, sufficiently increase the heat exchange area, greatly improve the heat exchange efficiency and effectively solve the above technical problems.

[0005] To achieve the above object, the utility model solves technical problems thereof adopts the technical scheme that is:

[0006] The precooling device of the spray type heat exchange unit, including accelerating heat exchange subassembly, Y type filter and cooling water tank, its characterized in be,

[0007] The cooling water tank is set to closed cuboid structure, the cooling water tank is internally provided with an evaporator, the size of the evaporator is matched with the size of the cooling water tank, and the cooling water tank is made of stainless steel material.

[0008] The accelerating heat exchange subassembly includes a stirrer, a gas distribution pipe and an air compressor, the stirrer is vertically arranged at the right side of the evaporator inside the cooling water tank, the stirrer includes a stirring shaft and blades fixedly arranged on the stirring shaft in the axial direction, a motor is connected to the upper end of the stirring shaft through a shaft coupling, the motor is fixedly arranged on the outside of the upper bottom surface of the cooling water tank, the position of the stirrer corresponds to the position of the evaporator, the length of the stirring shaft is matched with the height of the evaporator, the gas distribution pipe is fixed to the inner wall of the cooling water tank through a fixing member, the gas distribution pipe is arranged at the middle position of the lower end of the evaporator, and the gas inlet of the gas distribution pipe is in communication with the air outlet of the air compressor.

[0009] One side of the cooling water tank is provided with a precooling tank, the precooling tank is set to a closed cuboid structure, the lower bottom surface of the cooling water tank and the upper bottom surface of the precooling tank are in communication through a water pipe, the middle part of the water pipe is provided with a Y-shaped filter and a flow valve, the Y-shaped filter and the flow valve are arranged in series, the lower part of the left side wall of the precooling tank is in communication with the upper bottom surface of the cooling water tank through a pipeline I, a circulating water pump is arranged on the pipeline I, the upper port of the pipeline I is in communication with a falling film water distributor, the falling film water distributor is fixedly arranged on the upper side of the evaporator, and the water distribution port of the falling film water distributor is arranged to face the evaporator.

[0010] The evaporator is fixedly arranged on the inner walls of the front and rear sides of the cooling water tank through fixing members, the evaporator is composed of a plurality of honeycomb heat dissipation fins arranged in a predetermined sequence and in communication, the honeycomb heat dissipation fin includes a panel and a back plate and a honeycomb chip fixed between the panel and the back plate, the panel and the back plate are arranged in a solid core structure, the honeycomb chip is arranged in a hollow structure, and the honeycomb heat dissipation fin is made of stainless steel material.

[0011] The rear side of the cooling water tank is provided with an access hole, the access hole is sealed and fixed with a cover plate through a sealing rubber ring and a fixing member, and the outer surfaces of the cooling water tank and the precooling tank are fixedly provided with a heat preservation protective layer.

[0012] Also include refrigeration system, the refrigeration system includes compressor and air-cooled condenser, the exhaust of the compressor is connected through pipeline and the air inlet of air-cooled condenser, the compressor is arranged as piston or scroll compressor, the liquid inlet of the air-cooled condenser is connected with the lower end of evaporator through pipeline II, the air inlet of the compressor is communicated with the upper end of evaporator through pipeline III, the connecting place of pipeline II and pipeline III with cooling water tank is provided with sealing heat preservation structure, the pipeline II is provided with thermal expansion valve, the sensing mechanism of the thermal expansion valve is fixedly arranged at the preset position of pipeline III, and the pipeline III is provided with back valve.

[0013] The cooling water tank is provided with a double cooling structure, which can switch between the medium in the cooling water tank and the freon in the refrigeration system as heat exchange refrigerant.

[0014] The evaporator, the cooling water tank and the pre-cooling tank are provided with integrated modular structure.

[0015] The refrigeration system is provided with a direct expansion liquid supply structure.

[0016] The stirrer, air compressor, circulating water pump, compressor and air-cooled condenser are connected with the mains through cables respectively.

[0017] The utility model discloses the beneficial effect is:

[0018] The utility model discloses an accelerating heat exchange component, and corresponding stirrer, gas distribution pipe and air compressor etc., can accelerate the heat exchange efficiency of medium and evaporator, accelerate the process of ice melting in the cooling tank, effectively solve the problem that the accelerating heat exchange component cannot use the cooperation of stirrer, gas distribution pipe and air compressor, cannot accelerate the heat exchange efficiency of medium and evaporator, and cannot accelerate the process of ice melting in the cooling tank.

[0019] The utility model discloses a Y type filter, and corresponding water pipe etc., can filter the cooling medium into the pre-cooling tank, discharge the impurity dirt in medium, improve the service life of equipment, effectively solve the problem that the Y type filter cannot be used, cannot filter the cooling medium into the pre-cooling tank, cannot discharge the impurity dirt in medium, and cannot improve the service life of equipment.

[0020] The utility model discloses a honeycomb radiating fin, and corresponding cooling water tank etc., can fully increase the heat exchange area, thereby greatly improving the heat exchange efficiency, effectively solve the problem that the honeycomb radiating fin cannot be used, cannot fully increase the heat exchange area, and cannot greatly improve the heat exchange efficiency. DRAWINGS

[0021] ATTACH Figure 1 It is the structure schematic diagram of the utility model;

[0022] Figure 2 is a schematic view of the cross-sectional structure of the cooling water tank of the present application; Figure 2 Figure 3 is a schematic view of the cross-sectional structure of the honeycomb heat sink of the present application;

[0023] Figure 4 is a schematic view of the rear view structure of the cooling water tank of the present application. Figure 3

[0024] Figure 4 Figure 4 is a schematic view of the rear view structure of the cooling water tank of the present application.

[0025] Legend:

[0026] 1. Accelerate heat exchange assembly, 2. Y filter, 3. Cooling water tank, 4. Evaporator, 5. Stirrer, 6. Gas distribution pipe, 7. Air compressor, 8. Precooling tank, 9. Water pipe, 10. Flow valve, 11. Pipeline I, 12. Pipeline II, 13. Pipeline III, 14. Circulating water pump, 15. Falling film water distributor, 16. Honeycomb heat sink, 17. Panel, 18. Back plate, 19. Honeycomb chip, 20. Access hole, 21. Cover plate, 22. Thermal insulation layer, 23. Refrigeration system, 24. Compressor, 25. Air-cooled condenser, 26. Thermal expansion valve, 27. Return valve. DETAILED DESCRIPTION

[0027] In combination Figure 1 , Figure 2 , Figure 3 , Figure 4 and examples to further describe the present application in detail, so that the public can better grasp the implementation method of the present application, the specific implementation scheme of the present application is:

[0028] The precooling device of the sprinkling type heat exchange unit, comprising an accelerating heat exchange assembly 1, a Y filter 2 and a cooling water tank 3, characterized in that,

[0029] The cooling water tank 3 is provided as a closed rectangular box structure, the cooling water tank 3 is provided with an evaporator 4 inside, the size of the evaporator 4 matches the size of the cooling water tank 3, and the cooling water tank 3 is made of stainless steel; The upper side of the evaporator 4 in the cooling water tank 3 is provided with a falling film water distributor 15;

[0030] ​​The accelerating heat exchange assembly 1 comprises a stirrer 5, a gas distribution pipe 6 and an air compressor 7, the stirrer 5 is vertically arranged at the right side of the evaporator 4 inside the cooling water tank 3, the stirrer 5 comprises a stirring shaft and a plurality of blades fixedly arranged on the stirring shaft in the axial direction, the upper end of the stirring shaft is connected with a motor through a shaft coupling, the motor is fixedly arranged on the outer side of the upper bottom surface of the cooling water tank 3, the position of the stirrer 5 corresponds to the position of the evaporator 4, the length of the stirring shaft matches the height of the evaporator 4, the gas distribution pipe 6 is fixed on the inner wall of the cooling water tank 3 through a fixing member, the gas distribution pipe 6 is arranged at the middle position of the lower end of the evaporator 4, the gas inlet of the gas distribution pipe 6 is communicated with the air outlet of the air compressor 7, the accelerating heat exchange assembly 1 of the stirrer 5, the gas distribution pipe 6 and the air compressor 7 cooperates with each other, through the stirring of the stirrer 5, the compressed gas provided by the air compressor 7 is uniformly delivered to the bottom of the cooling medium by the gas distribution pipe 6, the heat exchange efficiency of the cooling medium and the evaporator 4 is accelerated, and the progress of ice melting in the cooling water tank 3 is accelerated.

[0031] One side of the cooling water tank 3 is provided with a pre-cooling tank 8, the pre-cooling tank 8 is arranged as a closed rectangular box structure, the lower bottom surface of the cooling water tank 3 and the upper bottom surface of the pre-cooling tank 8 are communicated through a water pipe 9, the middle part of the water pipe 9 is provided with a Y-shaped filter 2 and a flow valve 10, the Y-shaped filter 2 and the flow valve 10 are arranged in series, the Y-shaped filter 2 is arranged to filter the cooling medium entering the pre-cooling tank 8, to discharge impurities and dirt in the cooling medium, thereby improving the service life of the equipment, the lower part of the left side wall of the pre-cooling tank 8 and the upper bottom surface of the cooling water tank 3 are communicated through a pipeline I 11, a circulating water pump 14 is arranged on the pipeline I 11, the upper port of the pipeline I 11 is communicated with a falling film water distributor 15, and the water distribution port of the falling film water distributor 15 is arranged to face the evaporator 4.

[0032] The evaporator 4 is fixedly arranged on the inner walls of the front and rear sides of the cooling water tank 3 through fixing members, the evaporator 4 is composed of a plurality of honeycomb heat dissipation fins 16 arranged in a predetermined sequence and communicated with each other, the honeycomb heat dissipation fin 16 comprises a panel 17 and a back plate 18 and a honeycomb chip 19 fixed between the panel 17 and the back plate 18, the panel 17 and the back plate 18 are arranged as solid core structures, the honeycomb chip 19 is arranged as a hollow structure, and the honeycomb heat dissipation fin 16 is made of stainless steel.

[0033] The rear side of the cooling water tank 3 is provided with an access hole 20, the access hole 20 is sealed and fixed with a cover plate 21 through a sealing rubber ring and a fixing member, and the outer surfaces of the cooling water tank 3 and the pre-cooling tank 8 are fixedly provided with a heat preservation protective layer 22.

[0034] Also include refrigeration system 23, the refrigeration system 23 includes compressor 24 and air-cooled condenser 25, the exhaust of the compressor 24 is connected through the pipeline and the air inlet of air-cooled condenser 25, the compressor 24 is arranged as piston or scroll compressor, the liquid inlet of the air-cooled condenser 25 is connected with the lower end of evaporator 4 through pipeline II 12, the air inlet of the compressor 24 is communicated with the upper end of evaporator 4 through pipeline III 13, the connecting place of pipeline II 12 and pipeline III 13 with cooling water tank 3 is provided with sealing heat preservation structure, the pipeline II 12 is provided with thermal expansion valve 26, the sensing mechanism of the thermal expansion valve 26 is fixedly arranged at the preset position of pipeline III 13, and the pipeline III 13 is provided with back gas valve 27.

[0035] The cooling water tank 3 is arranged as a double cooling structure, and can be switched between using the medium in the cooling water tank 3 and freon in the refrigeration system 23 as heat exchange refrigerants.

[0036] The evaporator 4, the cooling water tank 3 and the pre-cooling tank 8 are all arranged as integrated modular structures.

[0037] The refrigeration system 23 is arranged as a direct expansion liquid supply structure.

[0038] The stirrer 5, the air compressor 7, the circulating water pump 14, the compressor 24 and the air-cooled condenser 25 are respectively connected with commercial power through cables.

[0039] The working principle and working process of the utility model are as follows: Specific embodiment one:

[0040] In the poultry meat processing workshop, the spray type heat exchange unit pre-cooling device is used, first, check that all the equipment of the device is normal, electrically connect all the electrical equipment, the compressor 24 inhales the low-temperature and low-pressure gas in the honeycomb heat sink 16 through pipeline III 13, after being pressurized by the compressor 24, is sent to the air-cooled condenser 25 through the pipeline, after being cooled and condensed into medium-temperature and medium-pressure refrigerant liquid by the air-cooled condenser 25, is cooled and decompressed by the thermal expansion valve 26 arranged on the pipeline II 12, becomes low-temperature and low-pressure liquid, and is supplied to the honeycomb heat sink 16, under the joint action of the stirring of the stirrer 5 and the compressed gas provided by the air compressor 7 and uniformly delivered to the bottom of the cooling water tank 3 by the gas distribution pipe 6, the heat exchange efficiency of the medium in the cooling water tank 3 and the low-temperature and low-pressure liquid in the honeycomb heat sink 16 is accelerated, after heat exchange, the low-temperature and low-pressure liquid becomes low-temperature and low-pressure gas, and is inhaled by the compressor 24 through the pipeline III 13, and the refrigeration cycle is repeated;

[0041] The cooling medium in the cooling tank 3 flows into the pre-cooling tank 8 through the water pipe 9, and the impurities in the cooling medium flowing into the pre-cooling tank 8 are filtered by the Y-type filter 2 and discharged in time, thereby prolonging the service life of the equipment. The speed of the cooling medium flowing into the pre-cooling tank 8 is controlled by adjusting the flow valve 10, and the obtained cooling medium is used for cooling the poultry processing plant slaughter line and indoor refrigeration. The medium in the pre-cooling tank 8 is transported to the falling film water distributor 15 by the circulating water pump 14 arranged in the pipeline I, and then is uniformly sprayed on the honeycomb heat sink 16 through the water distribution port of the falling film water distributor 15 to be heat exchanged again. The arrangement of the honeycomb heat sink 16 can sufficiently increase the heat exchange area, thereby greatly improving the heat exchange efficiency.

[0042] The outer surfaces of the cooling tank 3 and the pre-cooling tank 8 are fixedly provided with a heat preservation layer 22, which can reduce heat transfer and maintain the stability of the medium temperature in the cooling tank 3 and the pre-cooling tank 8 during heat exchange, thereby reducing energy consumption and preventing external force erosion and physical damage, and prolonging the service life of the cooling tank 3 and the pre-cooling tank 8. Specific embodiment two:

[0043] During peak-valley electricity price, the medium in the cooling tank 3 is discharged, the cover plate 21 is removed by screwing the fixing part using professional tools, the equipment in the cooling tank 3 is maintained and repaired through the maintenance opening 20, the honeycomb heat sink 16 is cleaned and swept, and after completion, the cover plate 21 is sealed to restore the heat exchange efficiency.

[0044] The cooling tank 3 is provided with a cold storage function structure, the flow valve 10 is closed, the medium is injected into the cooling tank 3 to the normal liquid level, the stirrer 5 is started to enter the refrigeration state, when the icing rate is greater than 50%, the ice storage is completed, then the thermal expansion valve 26 is closed, the delay closing air valve 27 is closed, the stirrer 5 and the air compressor 7 are started, and the ice melting process in the cooling tank 3 is accelerated until the ice melting is completed, and then the heat exchange work in the daytime is carried out.

[0045] The spraying type heat exchange unit pre-cooling device adopts a double cooling structure switching between the medium in the cooling tank 3 and the freon in the refrigeration system 23 as heat exchange refrigerant, which can realize multiple uses of one product, achieve maximum energy saving and environmental protection, and save cost.

Claims

1. A sprinkling heat exchanger pre-cooling device, comprising an acceleration heat exchange assembly (1), a Y-type filter (2) and a cooling water tank (3), characterized in that the cooling water tank (3) is provided in a closed rectangular cuboid structure, an evaporator (4) is arranged inside the cooling water tank (3), the size of the evaporator (4) is matched with the size of the cooling water tank (3), and the cooling water tank (3) is made of stainless steel; a falling film water distributor (15) is arranged on the upper side of the evaporator (4) inside the cooling water tank (3). The acceleration heat exchange assembly (1) comprises a stirrer (5), a gas distribution pipe (6) and an air compressor (7), the stirrer (5) is vertically arranged on the right side of the evaporator (4) inside the cooling water tank (3), the stirrer (5) comprises a stirring shaft and blades fixedly arranged on the stirring shaft in the axial direction, a motor is connected to the upper end of the stirring shaft through a shaft coupling, the motor is fixedly arranged on the outside of the upper bottom surface of the cooling water tank (3), the position of the stirrer (5) corresponds to the position of the evaporator (4), the length of the stirring shaft is matched with the height of the evaporator (4), the gas distribution pipe (6) is fixedly arranged on the inner wall of the cooling water tank (3) through a fixing member, the gas distribution pipe (6) is arranged at the middle position of the lower end of the evaporator (4), and the gas inlet of the gas distribution pipe (6) is communicated with the air outlet of the air compressor (7). One side of the cooling water tank (3) is provided with a pre-cooling tank (8), the pre-cooling tank (8) is provided in a closed rectangular cuboid structure, the lower bottom surface of the cooling water tank (3) is communicated with the upper bottom surface of the pre-cooling tank (8) through a water pipe (9), the middle part of the water pipe (9) is provided with a Y-type filter (2) and a flow valve (10), the Y-type filter (2) and the flow valve (10) are arranged in series, the lower part of the left side wall of the pre-cooling tank (8) is communicated with the upper bottom surface of the cooling water tank (3) through a pipeline I (11), a circulating water pump (14) is arranged on the pipeline I (11), the upper port of the pipeline I (11) is communicated with the falling film water distributor (15), and the water distribution port of the falling film water distributor (15) is arranged to face the evaporator (4). The evaporator (4) is fixedly arranged on the inner walls of the front and rear sides of the cooling water tank (3) through fixing members, the evaporator (4) is composed of a plurality of honeycomb heat dissipation fins (16) arranged in a predetermined sequence and communicated with each other, the honeycomb heat dissipation fin (16) comprises a panel (17) and a back plate (18) and a honeycomb chip (19) fixed between the panel (17) and the back plate (18), the panel (17) and the back plate (18) are provided in a solid structure, the honeycomb chip (19) is provided in a hollow structure, and the honeycomb heat dissipation fin (16) is made of stainless steel.

2. A pre-cooling device for a spray heat exchanger unit as claimed in claim 1, characterized in that The rear side of the cooling water tank (3) is provided with an access hole (20), the access hole (20) is sealed and fixed with a cover plate (21) through a sealing rubber ring and a fixing member, and the outer surfaces of the cooling water tank (3) and the pre-cooling tank (8) are fixedly provided with a heat preservation protective layer (22).

3. A pre-cooling device for a spray heat exchanger unit as claimed in claim 1, characterized in that ​ 4. A pre-cooling device for a spray heat exchanger unit as claimed in claim 3, characterized in that Also included is a refrigeration system (23) comprising a compressor (24) and an air-cooled condenser (25), an exhaust port of the compressor (24) being connected to an air inlet of the air-cooled condenser (25) through a pipeline, the compressor (24) being arranged as a piston or scroll compressor, a liquid supply port of the air-cooled condenser (25) being connected to a lower end of the evaporator (4) through a pipeline II (12), an air inlet of the compressor (24) being connected to an upper end of the evaporator (4) through a pipeline III (13), the pipeline II (12) and the pipeline III (13) being provided with sealing and heat-insulating structures at their connection positions with the cooling water tank (3), the pipeline II (12) being provided with a thermal expansion valve (26), a sensing mechanism of the thermal expansion valve (26) being fixedly arranged at a preset position of the pipeline III (13), and the pipeline III (13) being provided with a back gas valve (27).

5. A pre-cooling device for a spray heat exchanger unit as claimed in claim 1, characterized in that The cooling water tank (3) is arranged as a double cooling structure, and can be switched between using a medium in the cooling water tank (3) and freon in the refrigeration system (23) as heat exchange refrigerants.

6. A pre-cooling device for a spray heat exchanger unit as claimed in claim 5, characterized in that The evaporator (4), the cooling water tank (3) and the pre-cooling tank (8) are arranged as integrated modular structures.

7. A pre-cooling device for a spray heat exchanger unit as claimed in claim 4, characterized in that The refrigeration system (23) is arranged as a direct expansion liquid supply structure.

8. A pre-cooling device for a spray heat exchanger unit as claimed in claim 7, characterized in that The stirrer (5), the air compressor (7), the circulating water pump (14), the compressor (24) and the air-cooled condenser (25) are respectively connected to a commercial power supply through cables.

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