48results about How to "Improve thawing efficiency" patented technology

The utility model belongs to the technical field of rapid thawing of meat, and particularly relates to a rapid thawing device for meat, which comprises a base, a shell cover is fixedly connected to the base, a supporting frame is fixedly connected to the shell cover, fixing columns are welded to the two sides of the top of the supporting frame, material storage bottles are fixedly connected to the two fixing columns, one-way valves are assembled on discharging pipes of the material storage bottles, springs are fixedly connected to the top ends of sleeves, and movable blocks are fixedly connected to the other ends of the springs. A movable block is fixedly connected to the support frame, a movable rod is fixedly connected to the movable block, the bottom end of the movable rod penetrates through a sleeve to be fixedly connected with a hammer head, a sleeve is fixedly connected to the top of the support frame, an air pipe is connected between the sleeve and the sleeve, a piston is arranged in the sleeve, a support seat is fixedly connected to the support frame, and a first motor is mounted on the support seat. When frozen meat is thawed, the frozen meat can be quickly thawed, meanwhile, the surface of a meat product can be prevented from being damaged, and the normal sales of the product is ensured.

The invention discloses a radio frequency device and a control method thereof, a program product, a medium and a refrigerator, the radio frequency device comprises a frequency generation device and a power amplification device, the frequency generation device is used for modulating radio frequency, and the power amplification device is used for amplifying power. The power amplification device is used for outputting radio frequency power to a load according to the radio frequency modulated by the frequency generation device, and the method comprises the step of performing impedance matching on the radio frequency equipment by adjusting the radio frequency of the frequency generation device in the process that the radio frequency equipment unfreezes or heats a target object. According to the technical scheme, the working efficiency of the radio frequency equipment can be improved.

The invention discloses a process for quickly unfreezing meat products at low voltage. The technology comprises the following steps: applying low-voltage high-frequency electric energy to a frozen meat product so as to form a high-frequency current in the frozen meat product, generating joule heat in the frozen meat product by the high-frequency current, and rapidly thawing the frozen meat product by the joule heat in the frozen meat product by the low-voltage high-frequency electric energy. Polar molecules in the frozen meat product move in an electric field generated by the high-frequency voltage to generate friction heat, and the sum of the joule heat and the friction heat is the same as or slightly larger than the energy required by converting ice crystals in the frozen meat product into liquid water. The voltage of the low-voltage high-frequency electric energy is 35V + / -0.5 V, and the frequency of the high-frequency current is 3kHz-8kHz.

A composite thawing method for frozen soil in tunnel boring machines (TBMs) includes the following steps: S1, driving sheet piles into the frozen soil location to break up the frozen soil; S2, extracting the sheet piles after construction; S3, applying high-pressure jet grouting with salt-cement slurry to the frozen soil location, using the high-pressure jet grouting to cut and thaw the frozen soil. This invention employs a composite thawing method combining sheet pile breaking and high-pressure jet grouting with salt-cement slurry. During construction, the frozen soil is first mechanically broken up using sheet piles, and then cut and thawed again using salt-cement slurry. Compared to traditional natural thawing or mud circulation thawing methods, this method effectively improves thawing efficiency, shortens the construction period, avoids the problem of soil voids in front of the cutterhead caused by mud circulation thawing methods, improves safety, and has the advantage of low construction cost.

The present invention discloses an activated sludge rapid thawing device and method, the device includes sludge crushing equipment, crushed sludge conveying equipment, sludge thawing equipment, etc. The sludge thawing equipment includes a support frame, a filter cloth, a driving assembly for driving the filter cloth to move, a distributor and at least one sludge thawing unit, and the thawing principle of the sludge thawing unit is pressure hot air thawing. When the device is used to thaw the sludge, the sludge crushing equipment is first used to crush the block sludge into granular sludge to increase the surface area of ​​the sludge; then the subsequent sludge thawing equipment is used to quickly thaw the frozen sludge particles, thereby improving the sludge thawing efficiency, effectively avoiding the problem of secondary mixing of sludge and condensed water during the thawing process, and laying a good foundation for subsequent sludge dehydration and drying; in addition, the device can be arranged in three dimensions to save floor space. At the same time, the thawing process of the frozen sludge belongs to a pure physical state change and will not cause secondary pollution to the surrounding environment.

The utility model relates to the technical field of cells, in particular to a cell test bottle quick unfreezing box which is internally provided with a machine body, an unfreezing top frame is fixedly arranged on the upper end face of the machine body, and the unfreezing top frame is detachably connected with the machine body; the machine body is internally provided with an unfreezing cavity, the unfreezing cavity is internally and rotatably provided with a rotating central roller, and the lower end surface of each unfreezing top frame is rotatably provided with a rotating inner plate. After the cell test bottles are unfrozen, the six cell test bottles and the connecting frame can be directly pulled up through the grip on the upper end surface of the unfreezing top frame, and the unfreezing top frame of the next batch can be quickly replaced; therefore, the thawing efficiency can be greatly improved, and the replacement time of the cell test bottle is shortened.

This utility model relates to the fields of food engineering and biotechnology, and discloses an ultrasonic-assisted defrosting device for pet food. It includes a shell, a control screen, a protective door, and a heating component. The control screen is fixedly connected to the surface of the shell, and the protective door is installed on the surface of the shell. The heating component is installed on the inner wall of the shell, and the inner wall of the shell has an installation structure including a sliding groove. A slider is slidably connected to the inner wall of the sliding groove, and a fixing rod is fixedly connected to the inner wall of the sliding groove. The arc surface of the fixing rod is slidably connected to the surface of the slider, and a placement plate is fixedly connected to the surface of the slider. A handle is fixedly connected to the surface of the placement plate. This utility model solves the problem in existing ultrasonic-assisted defrosting devices for pet food where, when the food is placed inside the device, it is often difficult to dry in layers, affecting the degree of drying and thus the working efficiency of the device.

The utility model provides a running water type thawing device which is sanitary, easy to clean and high in thawing efficiency, is used for spraying water to thaw frozen food materials, and comprises a container for accommodating the frozen food materials, a first water spraying shower head, a second water spraying shower head, a water pump and a plurality of running water pipelines, the bottom face and the side face of the container are both used for enclosing and retaining water, a water outlet of the first water spraying shower head penetrates through one position of the side face of the container, and a water outlet of the second water spraying shower head penetrates through the other position of the side face of the container. A water inlet of the first water spraying shower head and a water inlet of the second water spraying shower head are respectively communicated with water outlets of corresponding water pumps through pipelines, and water inlets of the water pumps are communicated with the bottom of the container; and the water spraying direction of the water outlet of the first water spraying shower head is opposite to or forms an included angle with the water spraying direction of the water outlet of the second water spraying shower head. According to the utility model, the running water type unfreezing device can be kept sanitary and easy to clean, and the unfreezing efficiency is improved.

The utility model discloses an unfreezing tank for sea cucumber peptide production, which comprises a stainless steel shell, an equipment control box is arranged on one side of the stainless steel shell, a water inlet pump is arranged on the inner side of the equipment control box, a water inlet pipe is mounted at the bottom end of the water inlet pump, and an interlayer is arranged on the inner side of the stainless steel shell. An unfreezing tank main body is arranged at the top end of the interlayer, a water outlet pipe of the water inlet pump is communicated with the inner wall of the unfreezing tank main body, and a circulating water conveying pipe is laid between the unfreezing tank main body and the interlayer; through matching arrangement of a circulating thawing water spray head, a circulating water conveying pipe, a circulating water pump and a communicating water pipe, thawing water on the inner side of the thawing tank main body is turned over, the temperature of the thawing water is uniform, and the thawing efficiency of sea cucumbers is improved; meanwhile, the interior of the unfreezing tank body is conveniently cleaned, and the number of times of cleaning the unfreezing tank body is reduced.

This utility model discloses a raw material thawing device for pet food preparation, relating to the field of pet food preparation technology. A circulating pump mechanism is installed on one side of the thawing tank. One end of the manifold is connected to a guide pipe, and one end of the branch pipe is connected to a return pipe. The guide pipe and the return pipe are connected via a heater. A circulating water pump is installed in the guide pipe. This design, based on the pump combination of the guide pipe, circulating water pump, and return pipe in the circulating pump mechanism, draws water from the thawing tank through the manifold, heats it with the heater, and then returns it to the thawing tank through the branch pipe. This creates an orderly circulating water flow, rinsing and thawing the pet food raw materials in the feeding frame, improving the overall thawing process. Furthermore, it heats and keeps the circulating water warm, preventing it from becoming too cold and causing low thawing efficiency.

The utility model provides an unfreezing device and a refrigerator, the unfreezing device comprises a cavity, an unfreezing plate and an air supply assembly, and the unfreezing plate is arranged at the bottom of the cavity; the air supply assembly is arranged at the top of the cavity, and the air supply assembly is configured in the mode that air of the air supply assembly moves towards the unfreezing plate along the inner wall side of the cavity and flows back to the air supply assembly from the bottom of the cavity, the air flows to the unfreezing plate along the inner wall side of the cavity, so that objects on the unfreezing plate make large-range contact with the air, and after air flow reaches the unfreezing plate, the objects on the unfreezing plate are unfrozen. Air flows from the periphery of the unfreezing plate to the middle of the unfreezing plate and flows back to the air supply assembly from the middle of the unfreezing plate through the middle of the cavity, heat exchange occurs between the air and objects on the unfreezing plate, the unfreezing efficiency is improved, the convection effect of the air is enhanced, and the unfreezing speed is increased; the surface of an object on the unfreezing plate is unfrozen uniformly, the phenomenon that the local temperature is too high is avoided, and the unfreezing quality is improved.

The invention discloses an unfreezing device and a control method thereof and a refrigerator wherein the unfreezing device comprises an unfreezing chamber divided into an unfreezing area and a humidity compensation area; unfreezing equipment and flow guide equipment are arranged in the unfreezing area, the unfreezing equipment is used for unfreezing frozen articles, and the flow guide equipment is used for guiding unfrozen water generated in the unfreezing process to the humidity compensation area; the humidity compensation area is connected with the unfreezing area and is used for storing the unfreezing water and performing humidity compensation on the unfreezing area in the unfreezing process. The problem that in the prior art, thawing water generated by a thawing device is accumulated in a refrigerator is solved, the thawing water is effectively guided out and utilized, the accumulation problem is avoided, meanwhile, the situation that the appearance and quality are affected by air drying in the thawing process of objects is avoided, and the thawing effect of the objects is improved.

The utility model provides a kind of food thawing equipment, solve and add conveying equipment to thawing pool to the thawing of meat block, meat block possibly due to gravity and buoyancy imbalance, leading to the retention and uneven distribution of meat block, and then leading to part of meat block conveying failure, affect the problem of overall thawing efficiency.The utility model is fixed with multiple groups of pole lever on the first conveying belt of the first conveying equipment, pole lever top end is located at thawing water liquid level, meat block is moved to left by transmission effect, can avoid meat block float or stay due to buoyancy effect, while pole lever is spaced along front and back direction, can ensure that meat block is evenly distributed in conveying process, reduce local accumulation.

The utility model discloses a cryopreserved cell recovery device and relates to the technical field of cryopreserved cell recovery. The water bath device comprises a water bath box, a pipe placing assembly and a transmission assembly, the pipe placing assembly comprises a mounting ring and a placing disc, the mounting ring is arranged in the water bath box, the outer side face of the mounting ring is rotationally connected with a rotating frame, one end of the rotating frame is fixedly connected with the inner wall of the water bath box, and the interior of the mounting ring is fixedly connected with a connecting rod. By arranging the pipe containing assembly and the transmission assembly, the driving motor is started, the cam is driven to rotate through the fixing rod, the cam can push the containing disc to do reciprocating motion in the horizontal direction under the cooperation of the sliding block and the connecting rod while rotating, the inner gear disc is driven to rotate through the driving gear, and then the mounting ring is driven to rotate; a plurality of groups of test tubes with cryopreserved cells are fixed in the clamping holes of the placing disc, so that the plurality of groups of test tubes can reciprocate in the water body in the shell, and the thawing efficiency of the cryopreserved cells in the test tubes is improved.

The invention discloses an anti-astringent fruit freezing, processing and juicing device, and relates to the technical field of fruit juicing, the anti-astringent fruit freezing, processing and juicing device comprises a bottom plate, a kernel removing and conveying mechanism is arranged in the middle of the top end of the bottom plate, and a driving motor, a transmission gear, a side plate, an adjusting rod, a rotating ring and a placing groove are matched to conveniently drive frozen plum-leaf crabs to rotate in a fixing ring; in addition, a side edge plate drives an ejector block to rotate together, and when the plum-leaf crabs rotate to the position below the cutting cylinder, the ejector block pushes an ejector rod and a touch control plate to move, the plum-leaf crabs are scientific and reasonable in structure and safe and convenient to use, the kernel removing and conveying mechanism is arranged, and through cooperation of a driving motor, a transmission gear, the side edge plate, an adjusting rod, a rotating ring and a containing groove, the kernel removing and conveying mechanism can be used for removing kernels. The frozen malus prunifolia fruits are conveniently driven to rotate in the fixing rings, the conveying effect is guaranteed, meanwhile, the adjusting rods are rotated, the distance between the two rotating rings is conveniently adjusted according to needs, the malus prunifolia fruits of different sizes are limited, the adaptability is improved, and meanwhile the side edge plates drive the ejector blocks to rotate.

The present invention discloses a raw material thawing device and method for processing soaked duck feet, relates to the technical field of soaked duck feet processing, and aims to solve the technical problem that the existing soaked duck feet thawing device is difficult to reduce the operating burden and processing cost while ensuring the thawing efficiency, and includes a top cover, an outer cylinder, a chassis arranged below the outer cylinder, a sealed bearing, a thawing component and a bracket. The present invention designs an elastic component, a pressure component, a thawing component and a threaded rod, and when starting the motor, it is necessary to adjust the motor to run forward first, so that the device can complete the sinking of materials and continuously stir the liquid inside the device only by running forward, increase the flow rate of the water flow, improve the contact efficiency of the water flow and the raw materials, and accelerate the thawing effect of the raw materials. At the same time, it is convenient to take out the materials when running in the reverse direction, and the air is continuously discharged through the fan, thereby increasing the temperature of the liquid, so that the liquid temperature is synchronized with the room temperature, and the thawing efficiency of the soaked duck feet is further guaranteed.

The utility model discloses a frozen meat food thawing device which comprises an air supply device arranged on a roof of a thawing chamber; the air outlet pipes are arranged on the top surface in the unfreezing chamber, the air outlet ends of the multiple air outlet pipes correspond to the multiple frozen meat product placement points respectively; the air pipe assembly is arranged on the inner top surface of the unfreezing chamber, the air inlet end of the air pipe assembly is connected with the air outlet end of the air supply device, and the air outlet end of the air pipe assembly is connected with the air inlet end of the air outlet pipe. According to the scheme, the air outlet pipes corresponding to the frozen meat product placing points are arranged on the inner top surface of the unfreezing chamber, and the air outlet pipes are matched with the air supply device to directly blow external air to the frozen meat products, so that the external air directly and accurately acts on the frozen meat products, and the unfreezing efficiency of the frozen meat products is improved.

The utility model discloses a radio frequency unfreezing device and a refrigerator, and belongs to the technical field of radio frequency unfreezing. The radio frequency unfreezing device comprises a shielding shell which is provided with a radio frequency cavity and an unfreezing cavity, and the shielding shell is provided with a first shielding surface and a second shielding surface which are arranged at an interval in the height direction of the shielding shell; the first polar plate and the second polar plate are arranged in the radio frequency cavity and used for radiating radio frequency energy to the unfreezing cavity, and the first polar plate and the second polar plate are both arranged between the first shielding surface and the second shielding surface; along the height direction of the shielding shell, the distance H3 between the first pole plate and the second pole plate is greater than or equal to 1 / 2 of the distance H4 between the first shielding surface and the second shielding surface. After the design is adopted, the distance between the first pole plate and the second pole plate is large, so that the effective radiation area of radio frequency energy is increased, food materials in the thawing cavity can receive the radio frequency energy more uniformly, and the thawing efficiency is improved.

The utility model discloses a breast milk unfreezing device which comprises an unfreezing box, a water storage box and a box cover, the water storage tank is positioned at the bottom end of the thawing tank; the box cover is hinged to the thawing box; a normal-temperature unfreezing tank and a heating unfreezing tank are formed in the unfreezing box; a heat insulation layer is arranged between the normal-temperature unfreezing tank and the heating unfreezing tank; a circulating pipeline and a heating device are arranged on the outer side of the heating unfreezing tank; a circulating pump is arranged in the water storage tank; one end of the circulating pipeline is wound outside the heating unfreezing tank, and the other end is connected with a circulating pump in the water storage tank; the heating device is fixedly mounted at the bottom end of the water storage tank; water in the water tank is respectively circulated to the normal-temperature unfreezing tank and the heating unfreezing tank through the circulating pump to unfreeze breast milk, the circulating water in the heating unfreezing tank is heated through the heating device, the breast milk in the normal-temperature unfreezing tank is unfrozen at normal temperature, and large-capacity breast milk can be unfrozen at normal temperature, so that the breast milk can be conveniently used next time; the unfreezing efficiency of breast milk can be effectively improved on the whole.

The utility model relates to the technical field of food processing, in particular to a rapid unfreezing pool which comprises an unfreezing pool body and a heating pool, a lifting frame is installed on the unfreezing pool body and installed on a support, the lifting frame comprises a lifting air cylinder and a placing frame, and the size of the placing frame is matched with that of the unfreezing pool body; a heat-conducting water pipe is spirally distributed on the peripheral wall of the unfreezing pool, an impurity outlet is formed in the bottom of the unfreezing pool, the heat-conducting water pipe is communicated with a heating pool on one side of the unfreezing pool, a heating rod is installed in the heating pool, a water inlet pipe and a water outlet pipe on the heating pool are communicated with the two ends of the heat-conducting water pipe respectively, and a water pump is installed on the water outlet pipe; an overflow port is formed in the side wall of the unfreezing pool, a scum collecting mechanism is installed outside the overflow port, a water inlet device is installed on the side edge of the unfreezing pool, and a liquid level sensor electrically connected with the water inlet device is arranged on the side wall of the unfreezing pool. According to the application, scum in the unfreezing pool can be effectively cleaned, the water consumption for unfreezing is reduced, and the unfreezing efficiency is improved.

The invention provides a urea tank and a vehicle with the same, and relates to the technical field of vehicle tail gas treatment. The urea tank comprises a shell, the shell is provided with a containing cavity, and the containing cavity is used for storing urea liquid; the filtering assembly at least comprises a base and a filter, the base is connected with the shell, the filter at least comprises a filter shell, the filter shell is connected with the base, a filtering cavity is defined by the filter shell, and the filtering cavity is communicated with the containing cavity; the cooling assembly comprises a cooling pipeline and an inner cavity shell, the inner cavity shell is connected with the filter shell, the inner cavity shell extends in the circumferential direction of the filter shell, a filtering inner cavity is defined by the inner circle side of the inner cavity shell, a cooling cavity is defined by the outer circle side of the inner cavity shell and the filter shell, and the cooling pipeline extends into the containing cavity; one end of the cooling pipeline communicates with the cooling cavity, and the other end of the cooling pipeline communicates with engine cooling liquid. The problems that in a urea supply module, urea liquid cooling starting unfreezing efficiency is low, and reliability is poor are solved.

The utility model discloses a heating device for a lubricant indissolvable raw material, which belongs to the technical field of heating equipment and comprises a rack, a heating device and a drill bit, a rotating motor is fixedly arranged on the rack, an angle adjusting mechanism is fixedly arranged on the rack, a coupler is coaxially arranged on an output shaft of the rotating motor, and the angle adjusting mechanism is arranged on the output shaft of the rotating motor. A rotating rod is coaxially arranged at the other end of the coupler, the drill bit is fixedly arranged at the end, away from the coupler, of the rotating rod, a turbulent flow device is fixedly arranged on the drill bit, the turbulent flow device is rotationally arranged on the angle adjusting mechanism, and the heating device is placed between the rotating rod and the turbulent flow device. The unfreezing device has the advantage of high unfreezing efficiency.

The utility model discloses a heating assembly for deicing an embedded automobile door handle, which is characterized in that the heating assembly is of a flat structure and comprises an electric heating layer located in the middle, an insulating film layer and an elastic heat insulation layer, the insulating film layer and the elastic heat insulation layer are compounded on the two sides of the electric heating layer, and the heating assembly is of a closed annular structure. The section of the heating assembly is of an L-shaped structure, and the heating assembly is divided into a front heating part and a side heating part. The deicing efficiency of the door handle can be remarkably improved.

The utility model discloses a bearing device of unfreezing equipment and the unfreezing equipment. The bearing device comprises a supporting part and at least two clamping units, the clamping unit comprises a limiting part and a receding part, the limiting part is fixed to the supporting part, and a lifting piece for pulling the receding part to enable the receding part and the limiting part to be matched to form a clamping opening for clamping the bottle opening of the juice bottle to be unfrozen is installed on the supporting part; the lifting piece is pulled to enable the receding part and the limiting part to be matched to clamp the bottle opening of the juice bottle to be unfrozen so as to fix the juice bottle, the situation that the juice bottle is damaged due to movement and collision in the unfreezing process of the juice bottle to be unfrozen is effectively avoided, and the device can stably reciprocate in a water bath to form convection to improve the unfreezing efficiency.

The utility model discloses a mutton processing thawing pool relates to mutton thawing technical field, including bearing seat, the bearing seat upper end is equipped with the collecting port, the bearing seat lower extreme mounting has the drainage frame. The utility model discloses the bearing seat, drainage frame, thawing pool frame, movable tank, filter screen, sliding slot and rack that set up, the bearing seat as the basis of whole equipment, provides the firm support for thawing pool, ensures when the multiple thawing pool frame of placing and the thawing water containing, equipment can keep stable, avoids the shaking or displacement because of the bearing too big, in the thawing process, the water flow can enter each thawing pool frame in order through the drainage frame, guarantees every piece of mutton to be able to fully contact thawing water, also helps when the water or drainage, let water can flow out smoothly, avoids the waterlogging phenomenon influence thawing efficiency or causes the operation inconvenient.

The utility model relates to the technical field of aquatic product processing, in particular to an unfreezing barrel for aquatic product processing, which comprises a barrel body, a water tank and a water pump, and the discharging mechanism comprises a protection box, the protection box is fixedly connected to the surface of the unfreezing pool, and a servo motor is arranged in the protection box. The unfreezing pool is connected with the protection box, the servo motor is connected with the rotating roller, the servo motor is started to enable the rotating roller to rotate, then the rotating roller is connected with the fixing plate, the conveying belt can move on the surface of the fixing plate along with rotation of the rotating roller, and the conveying belt is connected with the driven roller to enable the conveying belt to move on the surface of the fixing plate. A fixed plate is connected with a fixed shaft, so that a driven roller can rotate along with the movement of a conveying belt, the unfreezing efficiency of the aquatic products is not influenced through the connection of the conveying belt and a through hole, the aquatic products can be discharged one by one through the connection of the conveying belt and a baffle and the connection of an unfreezing pool and a discharging groove, and the effect of conveniently taking out the aquatic products is achieved.

The invention discloses a multi-frequency ultrasonic sirloin thawing method, which adopts a double-frequency sequential ultrasonic treatment thawing mode and comprises the following steps: taking frozen sirloin with the center temperature lower than-20 DEG C, putting a sample into water in an ultrasonic tank by using multi-frequency ultrasonic equipment, controlling the immersion position to be about 0.5-3cm away from the horizontal plane, controlling the water temperature to be 12-20 DEG C, controlling the ultrasonic power to be 900W, and performing ultrasonic treatment for 2-3 hours; when the center of the meat sample is raised to 0 DEG C or above, taking out; the ultrasonic frequency is 22 / 28 kHz, 28 / 40 or 22 / 40 kHz. According to the method, the unfreezing time is short, the unfreezing loss of the sirloin is reduced, the freshness of the sirloin can be reserved to the maximum extent, the tenderness of the sirloin is improved, particularly, the muscle fiber fracture surface of the unfrozen sirloin is smooth, the damage degree of muscle fiber bundles is small, and the unfreezing quality of the quick-frozen sirloin can be effectively improved.

The utility model belongs to the technical field of infrared unfreezing, and particularly relates to a far infrared heating unfreezing device which comprises a fixed box, a constant-temperature box is fixedly mounted at the top end of the fixed box, and a heating assembly is mounted at the top end of the inner wall of the constant-temperature box; a rotating disc is arranged on the inner wall of the fixed box, a circular through hole is formed in the rotating disc, a placing disc is rotatably connected to the inner wall of the circular through hole, a second annular limiting plate is fixedly installed on the outer wall of the placing disc, and a first annular limiting plate is arranged below the second annular limiting plate; materials needing to be unfrozen are placed in the containing disc, the far infrared heating plate is turned on to heat the materials so as to unfreeze the materials, the driving motor is turned on to drive the driving shaft and the rotating disc at the top end of the driving shaft to rotate, and the rotating disc drives the containing disc to revolve so as to unfreeze the materials. Meanwhile, the gear is in meshed connection with meshing teeth on the inner side of the annular plate, the gear drives the rotating shaft and the placement disc to rotate, and the unfreezing efficiency is improved.