Energy-saving unfreezing equipment and process

Abstract

The invention relates to the technical field of fluid heaters, in particular to energy-saving unfreezing equipment and process. Comprising an unfreezing pool, a top frame is arranged at the top of the unfreezing pool, a guide rod is arranged between the unfreezing pool and the top frame, a storage frame is arranged on the guide rod in a sliding mode, a lifting mechanism is arranged between the unfreezing pool and the top frame and used for driving the storage frame to ascend and descend, a bearing frame is connected to the storage frame, and a controller is installed on the bearing frame. A storage barrel used for storing food materials is placed in the storage frame. Clear water in the unfreezing pool is heated by the heater and then circularly flows, uniform distribution of water temperature is ensured, hot water can flow through the central area of duck feet through the main pipe and branch pipe systems arranged in the storage barrel, simultaneous unfreezing inside and outside is realized, unfreezing time is greatly shortened, and unfreezing efficiency is greatly improved through the rapid and uniform unfreezing process. The time of food materials exposed under a non-freezing condition can be shortened, the possibility of microbial growth is effectively controlled, and food safety is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of fluid heaters, and in particular to energy-saving thawing equipment and technology. Background Art

[0002] In the food processing industry, thawing is one of the key steps in the handling of many frozen foods. For products like duck feet, which have irregular shapes and are usually frozen in large pieces, traditional thawing methods such as air thawing, water bath thawing or microwave thawing have certain limitations, especially when it comes to larger-sized products. Traditional thawing methods may cause serious internal and external temperature difference problems.

[0003] Specifically, in the existing thawing process of large pieces of duck feet ingredients, due to the limitation of heat transfer, the surface of the block ingredients will absorb heat faster than the center, causing the surface temperature to rise rapidly while the inside is still in a low temperature or even frozen state. This phenomenon not only prolongs the time required for the overall thawing, but may also cause the problem of excessive heating of the surface, affecting the texture and taste of the product. In addition, long-term exposure to non-freezing conditions may also increase the risk of microbial reproduction, thereby threatening food safety. Summary of the invention

[0004] In view of this, the present invention provides an energy-saving thawing device and process, which can solve the problem that in the existing thawing process of large pieces of duck feet ingredients, the surface of the block ingredients absorbs heat faster than the center, resulting in the center of the block ingredients taking a longer time to thaw, which not only prolongs the time required for the overall thawing, thereby possibly causing the risk of microbial reproduction, but also easily causes the surface of the block ingredients to be overheated.

[0005] The technical solution of the present invention is: an energy-saving thawing device, including a thawing pool, a top frame is arranged on the top of the thawing pool, a guide rod is arranged between the thawing pool and the top frame, a storage frame is slidably arranged on the guide rod, a lifting mechanism is arranged between the thawing pool and the top frame, the lifting mechanism is used to drive the storage frame to lift, a supporting frame is connected to the storage frame, a controller is installed on the supporting frame, a storage barrel for storing food is placed in the storage frame, a main pipe is arranged in the middle of the storage barrel, and branch pipes are also arranged in the storage barrel at intervals, and the branch pipes and the main pipes are connected. The thawing pool is connected, a barrel cover is arranged on the top of the storage barrel, a through hole connected to the main pipe is opened in the middle of the barrel cover, a water storage frame is installed on the side of the thawing pool, a heater is installed on the water storage frame, the heater is used to heat the liquid in the water storage frame, a water inlet pipe is connected at intervals on the water storage frame, the water inlet pipe is connected to the thawing pool, a water delivery mechanism is arranged on the thawing pool, the water delivery mechanism is used to deliver the liquid in the thawing pool to the water storage frame for heating, and the heated liquid flows back to the thawing pool through the water inlet pipe to thaw the food in the storage barrel.

[0006] In one embodiment, the lifting mechanism includes a screw and a servo motor. A screw is rotatably arranged between the thawing pool and the top frame. The storage frame is threadedly connected to the screw. The servo motor is installed on the top frame. The output shaft of the servo motor is connected to the screw.

[0007] In one embodiment, the water delivery mechanism includes a water pump, a water outlet pipe, a hollow frame, a circular frame, a first connecting pipe, a second connecting pipe and a copper pipe. A water pump is installed on the side of the thawing pool, and a water outlet pipe is connected between the water inlet of the water pump and the thawing pool. A hollow frame is also installed on the side of the thawing pool, and a circular frame is installed on the hollow frame. Two ends of the first connecting pipe are connected to the water outlet of the water pump and the circular frame respectively, and two ends of the second connecting pipe are connected to the hollow frame and the circular frame respectively. A copper pipe is connected between the hollow frame and the water storage frame.

[0008] In one of the embodiments, an energy-saving mechanism is also included, which includes a heat conductive sheet, a ventilation hood and a fan. Heat conductive sheets are arranged at intervals on the outside of the copper tube, a ventilation hood is installed between the hollow frame and the water storage frame, the heat conductive sheets are located on the inside of the ventilation hood, and fans are installed at intervals on the ventilation hood. The fan is used to introduce air into the ventilation hood, so as to exchange heat with the liquid in the copper tube through the heat conductive sheet.

[0009] In one of the embodiments, a driving mechanism is also included, which includes a first gear, a rotating rod, an impeller, and a second gear. The first gear is connected to the rotating shaft of the fan. A rotating rod is rotatably arranged between the water storage frame and the circular frame. The impeller is connected to the rotating rod. The impeller is located on the inner side of the circular frame. When liquid enters the circular frame, it is used to drive the impeller to rotate. The second gear is connected to the rotating rod at intervals, and the second gear is meshed with the first gear.

[0010] In one of the embodiments, a drain pipe is further included. The ventilation hood is connected to the drain pipe, and the drain pipe is used to drain the accumulated liquid in the ventilation hood.

[0011] In one of the embodiments, an electric stirrer is also included. The electric stirrer is arranged on the top of the storage frame and the bottom of the thawing pool. The electric stirrer is used to stir the liquid in the thawing pool.

[0012] The present invention also provides a process for energy-saving thawing equipment, which includes the following steps: first, duck feet are stored in a storage barrel and frozen; when thawing, the duck feet are taken out of the storage barrel and stacked on a support frame; then, the storage frame and the support frame are controlled to rise by a lifting mechanism; then, the storage barrel on the support frame is transferred to the storage frame, and clean water is added to the thawing pool; then, the storage frame and the support frame are controlled to descend by the lifting mechanism, so that the storage barrel is immersed in the clean water in the thawing pool, so as to thaw the duck feet in the storage barrel; then, the water pump and the heater are controlled to start by a controller, so that the water pump pumps the clean water in the thawing pool. The clean water is pumped into the water storage frame for heating, and then the heated clean water in the water storage frame is sent back to the thawing pool through the water inlet pipe; after that, when all the duck feet in the storage barrel are thawed, the water pump and the heater are turned off through the controller; then, the storage frame and the supporting frame are controlled to rise again through the lifting mechanism to make the storage barrel leave the clean water in the thawing pool; then, the storage barrel in the storage frame is transferred to the supporting frame manually again, and the clean water in the thawing pool is discharged; then, the storage frame and the supporting frame are controlled to descend again through the lifting mechanism; then, the storage barrel on the supporting frame is moved away manually; finally, the duck feet are taken out of the storage barrel.

[0013] The beneficial effects are: 1. The present invention heats the clean water in the thawing pool through a heater and then circulates it, ensuring uniform distribution of water temperature. The hot water is then allowed to flow through the central area of ​​the duck feet through a main pipe and branch pipe system arranged in the storage barrel, thereby achieving simultaneous thawing inside and outside the duck feet, greatly shortening the thawing time, and through a rapid and uniform thawing process, can reduce the time that food is exposed to non-frozen conditions, effectively controlling the possibility of microbial growth and ensuring food safety.

[0014] 2. The energy-saving mechanism of the present invention introduces outside air through a fan and uses a heat conductive sheet to preheat the liquid in the copper tube, thereby reducing the workload of the heater and reducing the overall energy consumption. The driving mechanism then uses water flow to drive the impeller to rotate, thereby driving the fan to work, forming a self-sufficient small energy recovery system, which further saves electricity resources.

[0015] 3. The present invention utilizes an electric stirrer in the storage frame to stir the clean water in the thawing pool to prevent local overheating or the formation of cold zones, ensuring that all ingredients can absorb heat evenly, thereby improving the uniformity of thawing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the lifting mechanism of the present invention.

[0018] Figure 3It is a schematic diagram of the three-dimensional structure of the support frame, controller and storage bucket of the present invention.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the storage bucket, bucket cover and through hole of the present invention.

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the storage barrel, the main pipe and the branch pipe of the present invention.

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the water storage frame, heater and water inlet pipe of the present invention.

[0022] Figure 7 It is a schematic diagram of the three-dimensional structure of the water delivery mechanism of the present invention.

[0023] Figure 8 It is a three-dimensional structural schematic diagram of the copper tube, heat plate and ventilation cover of the present invention.

[0024] Fig. 9 It is a schematic diagram of the three-dimensional structure of the fan, the rotating rod and the impeller of the present invention.

[0025] Fig.10 It is a schematic diagram of the three-dimensional structure of the driving mechanism of the present invention.

[0026] Fig.11 It is a three-dimensional structural schematic diagram of the thawing tank, storage frame and electric stirrer of the present invention.

[0027] In the accompanying drawings: 1-thawing pool, 2-top frame, 3-guide rod, 4-storage frame, 501-screw rod, 502-servo motor, 6-support bracket, 7-controller, 8-storage bucket, 801-main pipe, 802-branch pipe, 9-barrel cover, 901-through hole, 10-water storage frame, 11-heater, 12-water inlet pipe, 1301-water pump, 1302-water outlet pipe, 1303-hollow frame, 1304-round frame, 1305-first connecting pipe, 1306-second connecting pipe, 1307-copper tube, 14-heat conductive plate, 15-ventilation hood, 16-fan, 17-first gear, 18-rotating rod, 19-impeller, 20-second gear, 21-drain pipe, 22-electric agitator. DETAILED DESCRIPTION

[0028] Embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0029] Embodiment: An energy-saving thawing device, see Figure 1-Figure 7As shown, it includes a thawing pool 1, a top frame 2, a guide rod 3, a storage frame 4, a lifting mechanism, a support frame 6, a controller 7, a storage bucket 8, a main pipe 801, a branch pipe 802, a bucket cover 9, a water storage frame 10, a heater 11, a water inlet pipe 12 and a water delivery mechanism; a top frame 2 is arranged on the top of the thawing pool 1; two guide rods 3 are arranged between the thawing pool 1 and the top frame 2; a storage frame 4 is slidably arranged on the guide rod 3, and the storage frame 4 is located on the inner side of the thawing pool 1; a lifting mechanism is arranged between the thawing pool 1 and the top frame 2, and the lifting mechanism is used to drive the storage frame 4 to lift; a support frame 6 is connected to the front side of the top of the storage frame 4; a controller 7 is installed on the upper right part of the front side of the support frame 6; a storage bucket 8 for storing food is placed in the storage frame 4; a main pipe 801 is arranged in the middle of the storage bucket 8 ; Branch pipes 802 are arranged at annular intervals on the inner side of the storage barrel 8, and the branch pipes 802 are connected to the main pipe 801; a barrel cover 9 is placed on the top of the storage barrel 8, and a through hole 901 connected to the main pipe 801 is opened in the middle of the barrel cover 9; a water storage frame 10 is installed on the left side of the thawing pool 1; six heaters 11 are installed on the water storage frame 10, and the heaters 11 are electrically connected to the controller 7, and the heaters 11 are used to heat the liquid in the water storage frame 10; a water inlet pipe 12 is connected to the upper right side of the water storage frame 10 at intervals, and the water inlet pipe 12 is connected to the thawing pool 1; a water conveying mechanism is arranged on the thawing pool 1, and the water conveying mechanism is used to convey the clean water in the thawing pool 1 to the water storage frame 10 for heating, and the heated clean water then flows back to the thawing pool 1 through the water inlet pipe 12 to thaw the food in the storage barrel 8.

[0030] See also Figure 2 and Figure 3 As shown, the lifting mechanism includes a screw rod 501 and a servo motor 502; two screw rods 501 are rotatably arranged between the thawing pool 1 and the top frame 2, and the storage frame 4 is threadedly connected to the screw rod 501; two servo motors 502 are installed on the top frame 2, and the output shafts of the two servo motors 502 are respectively connected to the two screw rods 501, and the servo motor 502 is electrically connected to the controller 7, and the servo motor 502 is used to drive the screw rod 501 to rotate, so as to drive the storage frame 4 to rise and fall.

[0031] See also Figure 6 and Figure 7As shown, the water delivery mechanism includes a water pump 1301, a water outlet pipe 1302, a hollow frame 1303, a round frame 1304, a first connecting pipe 1305, a second connecting pipe 1306 and a copper pipe 1307; the water pump 1301 is installed on the lower right side of the thawing pool 1, and the water pump 1301 is electrically connected to the controller 7; the water inlet of the water pump 1301 is connected to the thawing pool 1 via the water outlet pipe 1302; the hollow frame 1303 is installed on the rear right side of the thawing pool 1; the round frame 1304 is installed on the right part of the lower rear side of the hollow frame 1303; the two ends of the first connecting pipe 1305 are respectively connected to the water outlet of the water pump 1301 and the round frame 1304; the two ends of the second connecting pipe 1306 are respectively connected to the hollow frame 1303 and the round frame 1304; the copper pipe 1307 is connected to the hollow frame 1303 and the water storage frame 10 at intervals.

[0032] When the duck feet need to be frozen and stored, the lid 9 of the storage barrel 8 is lifted, and then an appropriate amount of duck feet are put into the storage barrel 8, and then the lid 9 is put back on the storage barrel 8, so that the duck feet are in the storage barrel 8 for frozen storage; when the duck feet in the storage barrel 8 need to be thawed, the storage barrel 8 is stacked on the support frame 6, and then the workers stand on the support frame 6 together, and then the controller 7 controls the servo motor 502 to drive the screw rod 501 to rotate, so that the screw rod 501 drives the storage frame 4 and the support frame 6 , the storage barrel 8 and the worker rise, so that the storage frame 4 rises from the thawing pool 1, and then the storage barrel 8 on the support frame 6 is manually transferred to the storage frame 4 for stacking, and another worker adds an appropriate amount of clean water into the thawing pool 1. After all the storage barrels 8 are stacked in the storage frame 4, the controller 7 controls the servo motor 502 to drive the screw rod 501 to reverse and reset, so that the screw rod 501 drives the storage frame 4, the support frame 6 and the worker to descend, so that the storage frame 4 is lowered back into the thawing pool 1, and the thawing is completed. The clean water in the pool 1 completely submerges the storage barrel 8, so that the clean water thaws the duck feet in the storage barrel 8 by heat conduction. Then, the controller 7 controls the water pump 1301 and the heater 11 to start, so that the water pump 1301 pumps the clean water in the thawing pool 1 into the water outlet pipe 1302, the first connecting pipe 1305, the round frame 1304, the second connecting pipe 1306 and the hollow frame 1303, so that the clean water in the hollow frame 1303 flows into the water storage frame 10 through the copper pipe 1307, and then the heater 11 The clean water in the water storage frame 10 is heated, and the heated clean water flows back into the thawing pool 1 through the water inlet pipe 12, thereby increasing the clean water temperature in the thawing pool 1, thereby accelerating the thawing speed of the duck feet. By providing the main pipe 801 and the branch pipe 802, when the clean water in the thawing pool 1 flows through the main pipe 801 and the branch pipe 802 through the through hole 901 of the barrel cover 9, the duck feet near the center area of ​​the storage barrel 8 can be thawed, so that the inner and outer sides of the duck feet can be thawed at the same time, thereby improving the thawing efficiency of the duck feet; After all the duck feet in the storage barrel 8 are thawed, the water pump 1301 and the heater 11 are turned off through the controller 7, and then the worker stands on the support frame 6 again, and then the servo motor 502 is controlled by the controller 7 to drive the screw 501 to rotate, so that the screw 501 drives the storage frame 4, the support frame 6 and the worker to rise, so that the storage frame 4 is lifted from the thawing pool 1, and then the storage barrels 8 in the storage frame 4 are manually transferred to the support frame 6 for stacking, and another worker drains the clean water in the thawing pool 1, and then the storage frame 4 is lifted from the thawing pool 1. After all the buckets 8 are stacked in the storage frame 4, the controller 7 controls the servo motor 502 to drive the screw rod 501 to reverse and reset, so that the screw rod 501 drives the storage frame 4, the support frame 6, the storage bucket 8 and the worker to descend, so that the storage frame 4 is lowered back into the thawing pool 1, and then the storage bucket 8 on the support frame 6 is manually moved away; when the duck feet in the storage bucket 8 need to be used, the bucket cover 9 of the storage bucket 8 is lifted again, and then the thawed duck feet in the storage bucket 8 are taken out, and then the bucket cover 9 is put back on the storage bucket 8.

[0033] See also Figure 8 and Fig. 9 As shown, it also includes an energy-saving mechanism, which includes a heat conductive sheet 14, a ventilation hood 15 and a fan 16; a heat conductive sheet 14 is arranged at intervals on the outside of the copper tube 1307; a ventilation hood 15 is installed between the hollow frame 1303 and the water storage frame 10, and a vent is opened on the top of the ventilation hood 15, and the vent is used to discharge the air in the ventilation hood 15, and the heat conductive sheet 14 is located on the inside of the ventilation hood 15; a fan 16 is installed at intervals on the lower rear side of the ventilation hood 15, and the fan 16 is used to introduce air into the ventilation hood 15, so as to exchange heat with the clean water in the copper tube 1307 through the heat conductive sheet 14.

[0034] See also Fig. 9 and Fig.10 As shown, it also includes a driving mechanism, which includes a first gear 17, a rotating rod 18, an impeller 19 and a second gear 20; the first gear 17 is connected to the rotating shaft of the fan 16; a rotating rod 18 is rotatably arranged between the water storage frame 10 and the circular frame 1304; the right end of the rotating rod 18 is connected to the impeller 19, and the impeller 19 is located on the inner side of the circular frame 1304. When clean water enters the circular frame 1304, it can drive the impeller 19 to rotate; the rotating rod 18 is connected to the second gear 20 at intervals, and the second gear 20 is meshed with the first gear 17. The rotation of the impeller 19 can drive the rotating rod 18 and the second gear 20 to rotate, thereby driving the first gear 17 and the rotating shaft of the fan 16 to rotate, and then driving the blades of the fan 16 to rotate.

[0035] When clean water is drawn into the circular frame 1304, the clean water will drive the impeller 19 to rotate, so that the impeller 19 drives the second gear 20 and the rotating rod 18 to rotate, thereby driving the first gear 17 and the rotating shaft of the fan 16 to rotate, and then driving the blades of the fan 16 to rotate, so that the fan 16 can introduce the outside air into the ventilation hood 15. When the outside air enters the ventilation hood 15, the outside air can conduct heat to the clean water flowing in the copper tube 1307 through the heat conducting plate 14, thereby absorbing heat from the clean water flowing in the copper tube 1307, thereby increasing the temperature of the clean water in the copper tube 1307. In this way, when the clean water in the copper tube 1307 flows into the water storage frame 10 for heating, since the initial temperature of the clean water has been increased, the total heat that the heater 11 needs to provide can be reduced, thereby reducing the overall energy consumption.

[0036] See also Fig. 9 As shown, a drain pipe 21 is also included; the drain pipe 21 is symmetrically connected to the lower rear side of the ventilation hood 15, and the drain pipe 21 is used to discharge the accumulated liquid in the ventilation hood 15.

[0037] When clean water flows in the copper tube 1307, the temperature of the surface of the copper tube 1307 will decrease due to the influence of the temperature of the clean water. At this time, the water vapor in the air will condense into liquid water droplets when it contacts the surface of the copper tube 1307. After the liquid water droplets gather a certain weight, they will fall down to the bottom of the ventilation hood 15 due to the influence of gravity to form accumulated liquid. When accumulated liquid is formed at the bottom of the ventilation hood 15, the drain pipe 21 can be used to discharge the accumulated liquid at the bottom of the ventilation hood 15 to prevent the accumulated liquid from remaining at the bottom of the ventilation hood 15.

[0038] See also Fig.11 As shown, an electric stirrer 22 is also included; two electric stirrers 22 are arranged at the top of the storage frame 4 and the bottom of the thawing pool 1, and the electric stirrer 22 is electrically connected to the controller 7, and the electric stirrer 22 is used to stir the clean water in the thawing pool 1.

[0039] By setting up the electric agitator 22, when the duck feet in the storage barrel 8 are thawed in the thawing pool 1, the electric agitator 22 can be started by the controller 7 to stir the clean water in the thawing pool 1, thereby improving the fluidity of the clean water and further improving the efficiency and uniformity of the thawing process.

[0040] See also Figure 1-Figure 7As shown, the present invention also provides a process for energy-saving thawing equipment, including the following steps: first, the duck feet are stored in a storage barrel 8 and frozen; when thawing, the storage barrel 8 is taken out and stacked on the support frame 6; then, the storage frame 4 and the support frame 6 are controlled to rise by the lifting mechanism; then, the storage barrel 8 on the support frame 6 is transferred to the storage frame 4, and clean water is added to the thawing pool 1; then, the storage frame 4 and the support frame 6 are controlled to descend by the lifting mechanism, so that the storage barrel 8 is immersed in the clean water in the thawing pool 1, so as to thaw the duck feet in the storage barrel 8; then, the controller 7 controls the water pump 1301 and the heater 11 to start, so that the water pump 1301 puts the water in the thawing pool 1 into the storage barrel 8, and the water pump 1301 puts the water in the thawing pool 1 into the storage barrel 8. The clean water in the thawing tank 1 is pumped into the water storage frame 10 for heating, and then the heated clean water in the water storage frame 10 is sent back to the thawing tank 1 by the water inlet pipe 12; after that, when all the duck feet in the storage barrel 8 are thawed, the water pump 1301 and the heater 11 are controlled to be turned off by the controller 7; then, the storage frame 4 and the support frame 6 are controlled to rise again by the lifting mechanism, so that the storage barrel 8 is separated from the clean water in the thawing tank 1; then, the storage barrel 8 in the storage frame 4 is transferred to the support frame 6 manually again, and the clean water in the thawing tank 1 is discharged; then, the storage frame 4 and the support frame 6 are controlled to descend again by the lifting mechanism; then, the storage barrel 8 on the support frame 6 is moved away manually; finally, the duck feet are taken out of the storage barrel 8.

[0041] The above description is only an example of the present invention and is not intended to limit the present invention. Any equivalent substitutions made within the principles of the present invention should be included in the protection scope of the present invention. The contents not elaborated in detail in the present invention belong to the existing technologies known to those skilled in the art.

Claims

1. An energy-saving thawing device, comprising a thawing tank (1), characterized in that: A top frame (2) is arranged on the top of the thawing pool (1), a guide rod (3) is arranged between the thawing pool (1) and the top frame (2), a storage frame (4) is slidably arranged on the guide rod (3), a lifting mechanism is arranged between the thawing pool (1) and the top frame (2), the lifting mechanism is used to drive the storage frame (4) to lift, a support frame (6) is connected to the storage frame (4), a controller (7) is installed on the support frame (6), a storage barrel (8) for storing food is placed in the storage frame (4), a main pipe (801) is arranged in the middle of the storage barrel (8), branch pipes (802) are arranged at intervals in the storage barrel (8), the branch pipes (802) are connected to the main pipe (801), and a storage barrel (8) is arranged on the top of the storage barrel (8). A barrel cover (9) is provided in the middle of the barrel cover (9) with a through hole (901) connected to the main pipe (801). A water storage frame (10) is installed on the side of the thawing pool (1). A heater (11) is installed on the water storage frame (10). The heater (11) is used to heat the liquid in the water storage frame (10). A water inlet pipe (12) is connected to the water storage frame (10) at intervals. The water inlet pipe (12) is connected to the thawing pool (1). A water delivery mechanism is provided on the thawing pool (1). The water delivery mechanism is used to deliver the liquid in the thawing pool (1) to the water storage frame (10) for heating. The heated liquid then flows back into the thawing pool (1) through the water inlet pipe (12) to thaw the food in the storage barrel (8).

2. An energy-saving thawing device as claimed in claim 1, characterized in that: The lifting mechanism comprises a screw rod (501) and a servo motor (502); the screw rod (501) is rotatably arranged between the thawing pool (1) and the top frame (2); the storage frame (4) is threadedly connected to the screw rod (501); the servo motor (502) is installed on the top frame (2); and the output shaft of the servo motor (502) is connected to the screw rod (501).

3. An energy-saving thawing device as claimed in claim 2, characterized in that: The water delivery mechanism comprises a water pump (1301), a water outlet pipe (1302), a hollow frame (1303), a round frame (1304), a first connecting pipe (1305), a second connecting pipe (1306) and a copper pipe (1307). The water pump (1301) is installed on the side of the thawing pool (1). The water outlet pipe (1302) is connected between the water inlet of the water pump (1301) and the thawing pool (1). A hollow frame (1303) is provided, a round frame (1304) is installed on the hollow frame (1303), two ends of a first connecting pipe (1305) are respectively connected to a water outlet of a water pump (1301) and the round frame (1304), two ends of a second connecting pipe (1306) are respectively connected to the hollow frame (1303) and the round frame (1304), and a copper pipe (1307) is provided between the hollow frame (1303) and the water storage frame (10).

4. An energy-saving thawing device as claimed in claim 3, characterized in that: The invention also comprises an energy-saving mechanism, which comprises a heat-conducting sheet (14), a ventilation hood (15) and a fan (16); a heat-conducting sheet (14) is arranged at intervals on the outside of the copper tube (1307); a ventilation hood (15) is installed between the hollow frame (1303) and the water storage frame (10); the heat-conducting sheet (14) is located on the inside of the ventilation hood (15); a fan (16) is installed at intervals on the ventilation hood (15); the fan (16) is used to introduce air into the ventilation hood (15), so as to exchange heat with the liquid in the copper tube (1307) through the heat-conducting sheet (14).

5. An energy-saving thawing device as claimed in claim 4, characterized in that: The invention also comprises a driving mechanism, which comprises a first gear (17), a rotating rod (18), an impeller (19) and a second gear (20); the first gear (17) is connected to the rotating shaft of the fan (16); a rotating rod (18) is rotatably arranged between the water storage frame (10) and the circular frame (1304); the impeller (19) is connected to the rotating rod (18); the impeller (19) is located on the inner side of the circular frame (1304); when liquid enters the circular frame (1304), the impeller (19) is driven to rotate; the second gear (20) is connected to the rotating rod (18) at intervals; the second gear (20) is meshed with the first gear (17).

6. An energy-saving thawing device as claimed in claim 5, characterized in that: It also includes a drain pipe (21), which is connected to the ventilation hood (15) and is used to drain the accumulated liquid in the ventilation hood (15).

7. An energy-saving thawing device as claimed in claim 6, characterized in that: It also includes an electric stirrer (22), which is arranged at the top of the storage frame (4) and the bottom of the thawing pool (1). The electric stirrer (22) is used to stir the liquid in the thawing pool (1).

8. A process for energy-saving thawing equipment according to any one of claims 1 to 7, characterized in that: The method comprises the following steps: first, storing duck feet in a storage barrel (8) and storing them in a frozen state; then, when thawing, taking out the contents of the storage barrel (8) and stacking them on a support frame (6); then, controlling the storage frame (4) and the support frame (6) to rise by means of a lifting mechanism; then, transferring the storage barrel (8) on the support frame (6) to the storage frame (4), and adding clean water to a thawing pool (1); then, controlling the storage frame (4) and the support frame (6) to descend by means of the lifting mechanism, so that the storage barrel (8) is immersed in the clean water in the thawing pool (1), thereby thawing the duck feet in the storage barrel (8); then, controlling the water pump (1301) and the heater (11) to start by means of a controller (7), so that the water pump (1301) pumps the clean water in the thawing pool (1) into the water storage frame (10). The water is heated in the water storage frame (10), and the heated clean water in the water storage frame (10) is then sent back to the thawing pool (1) through the water inlet pipe (12); after all the duck feet in the storage barrel (8) are thawed, the water pump (1301) and the heater (11) are turned off through the controller (7); then, the storage frame (4) and the support frame (6) are again controlled to rise through the lifting mechanism, so that the storage barrel (8) is separated from the clean water in the thawing pool (1); then, the storage barrel (8) in the storage frame (4) is again manually transferred to the support frame (6), and the clean water in the thawing pool (1) is discharged; then, the storage frame (4) and the support frame (6) are again controlled to descend through the lifting mechanism; then, the storage barrel (8) on the support frame (6) is manually removed; and finally, the duck feet are taken out of the storage barrel (8).

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