42 results about "Frozen storage" patented technology

The invention belongs to the technical field of surimi products, and discloses a method for improving the freezing storage stability of frozen low-salt surimi products. The method comprises the following steps: S1, adding polysaccharide, sodium chloride and water into fish meat, and chopping to obtain low-salt minced fish; s2, performing sausage filling treatment on the low-salt surimi, and then performing ultrasonic treatment, curing treatment, cooling and freezing storage under a heating condition to obtain frozen low-salt surimi; the polysaccharide is more than one of curdlan, chitosan and kappa-carrageenan; the ultrasonic treatment conditions are as follows: the power of ultrasonic waves is 200-600W, and the ultrasonic treatment time is 10-30 minutes. According to the method disclosed by the invention, under the condition that the salt is reduced by 50%, not only can the gel quality of the low-salt surimi product be improved, but also the quality deterioration caused by temperature fluctuation can be improved, and the freezing storage stability of the frozen low-salt surimi product is remarkably improved.

The present invention relates to the field of intelligent meat preservation equipment, and provides a movable assembled meat non-crystallization frozen intelligent preservation rack. It includes a main frame and a control system. The main frame is provided with a storage space with adjustable layer spacing and stackable turnover boxes. The back panel of the rack frame is integrated with a touch-type power interface, a multi-point temperature sensor and a control system; a porous composite electrode plate is arranged opposite the side panels on both sides of the rack to generate a controllable electric field; the control system is arranged on the back panel of the rack, and by inputting meat raw material information and ambient temperature, the control system decides and outputs non-crystallization frozen storage and abnormal ice early warning ablation electric field parameters, and the electrode plate space forms a multi-mode feedback matching electric field to inhibit ice nucleus formation. The non-crystallization frozen intelligent preservation rack provided by the invention can be flexibly connected in parallel, and is suitable for different preservation needs of multiple raw materials and multiple scenes, breaking the boundaries of traditional freezing and refrigeration temperature zones, and realizing intelligent preservation of frozen quality and cold storage.

The invention provides a processing method for improving the quality of chicken prefabricated prepared food, which mainly integrates injection pickling, low-temperature rolling, active matter coating preservation, vacuum packaging and liquid nitrogen quick-freezing processes, so that the quality of prepared chicken cutlets during storage, transportation and frozen storage is ensured. The method comprises the following steps: injecting marinade into chicken in an injection manner, performing low-temperature vacuum rolling, kneading and pickling after injection, and performing film coating and fresh keeping through a fresh-keeping solution after pickling is finished, and finally, packaging, putting into a liquid nitrogen tunnel instant freezer, controlling the time to be 10-20 minutes at the temperature of-80 to-100 DEG C, and rapidly cooling to-20 DEG C or below. Through injection pickling and low-temperature rolling, the loss of original juice of the chicken cutlet can be effectively reduced, and the initial texture characteristics of the chicken cutlet are maintained; active matter coating preservation plays a role in inhibiting bacteria and resisting oxidation; through combination of vacuum packaging and liquid nitrogen quick freezing, surface moisture drying consumption and large-particle ice crystal formation during chicken cutlet freezing can be reduced, so that the water binding capacity, texture characteristics and freshness of the prefabricated chicken cutlet are kept for a long time.

The invention relates to the related field of food freezing, in particular to a high-frequency alternating electromagnetic field assisted low-temperature saline solution spraying and freezing device and method, and the device comprises a continuous conveyor, a first single-mode resonant cavity, a first spraying system, a second spraying system, a second single-mode resonant cavity, a third spraying system and the like. According to the method, food is treated by adopting a two-section high-frequency alternating electric field, the first section is pretreatment for adjusting a water molecule structure in the food to facilitate heat transfer freezing, and the second section is a latent heat release stage of a maximum ice crystal band to accelerate ice crystal nucleation in the food, so that the size of ice crystals generated in the freezing process of aquatic products is reduced, and the freezing efficiency of the aquatic products is improved. The texture level, the taste and the water holding rate of the aquatic products are improved, and the freezing storage time of the aquatic products is effectively prolonged.

The invention relates to the field of intelligent meat preservation equipment, and provides a meat non-crystallization frozen storage intelligent fresh-keeping warehouse, comprising a warehouse body, a storage rack and a control system, wherein a multi-point temperature sensor is installed in the warehouse body, and a refrigeration component is arranged in the warehouse body; the storage rack is horizontally arranged in the warehouse body, and a loading layer rack is arranged on the storage rack, and an alternating electric field generating device is embedded in the layer rack to generate a controllable electric field, and a temperature probe is installed on each layer of the storage rack; the control system comprises a meat raw material information input module, a non-crystallization frozen storage intelligent decision module, an abnormal icing warning ablation module, and a human-computer interaction interface, and the control system makes decisions and outputs non-crystallization frozen storage and abnormal icing warning ablation electric field parameters, and a controllable electric field with multi-mode feedback matching is formed in the plate space to inhibit the formation of ice nuclei; the meat non-crystallization frozen storage intelligent fresh-keeping warehouse provided by the invention breaks the boundary between traditional freezing and refrigeration temperature zones, avoids the quality deterioration of meat due to freezing, and realizes intelligent preservation of frozen quality and refrigeration.

The invention relates to the field of intelligent fresh-keeping equipment for meat, and provides an intelligent fresh-keeping box for crystallization-free frozen storage of meat. Comprising a box body and a control system, a storage space used for storing food is formed in the box body, and a touch type power interface and a multi-point temperature sensor are integrated on the box body; the storage space comprises a first side wall and a second side wall which are oppositely arranged, a first polar plate is arranged in the first side wall, a second polar plate is arranged in the second side wall, and a controllable electric field is generated between the first polar plate and the second polar plate; the control system is arranged on the box body, and the control system decides to output non-crystallization frozen storage and abnormal freezing early-warning ablation electric field parameters by inputting meat raw material information and environment temperature, a multi-mode feedback matched controllable electric field is formed in an electrode plate space, and ice nucleus formation is inhibited. The crystallization-free frozen storage intelligent fresh-keeping box for meat can be flexibly stacked, is suitable for multi-scene fresh-keeping requirements, breaks through the traditional freezing and cold storage temperature zone limit, and realizes intelligent fresh-keeping of freezing quality and cold preservation.

The application discloses a kind of upper opening low-temperature refrigeration house sealing roof devices, it is related to refrigeration house technical field, including bottom frame, installation frame, middle frame, heat insulation board and top frame from bottom to top are sequentially arranged;Bottom frame is arranged in the inside of inner storehouse;Installation frame is installed on bottom frame, and installation frame is opened in multiple first through holes for frozen storage frame to pass through;Middle frame is installed on installation frame, and multiple first cavities are opened in middle frame, and heat preservation block is installed in first cavity, and the periphery of heat preservation block is provided with the first channel compatible with first through hole;Top frame is installed on middle frame, and multiple second through holes for frozen storage frame to pass through are opened in top frame;Heat insulation board is opened in multiple second cavities corresponding to first cavity one by one arrangement.The sample box is taken out, and professional mechanical hand is not needed to open heat preservation door body, just need to take out the frozen storage frame required, and sample box can be taken out, and the speed of sample storage and retrieval is fast, and time is short.

This invention relates to the field of food freezing, and more particularly to a high-frequency alternating electromagnetic field-assisted low-temperature salt solution spray freezing device and method, comprising a continuous conveyor, a first single-mode resonant cavity, a first spray system, a second spray system, a second single-mode resonant cavity, and a third spray system. This invention employs a two-stage high-frequency alternating electric field treatment on food. The first stage is a pretreatment to adjust the water molecule structure in the food, making it more conducive to heat transfer and freezing. The second stage is the latent heat release stage of the maximum ice crystal zone, accelerating ice crystal nucleation in the food. This reduces the size of ice crystals formed during the freezing process of aquatic products, improves the texture, taste, and water retention of aquatic products, and effectively increases the frozen storage time of aquatic products.

The utility model belongs to the technical field of fresh food freezing storage, and particularly relates to a fresh food freezing storage device which comprises a shell and a box door, a control panel is fixedly installed on the front face of the box door, a hinge is fixedly installed on one side of the box door, a handle is fixedly installed on the front face of the box door, and a sealing strip is fixedly installed on the back face of the box door. A refrigeration structure is fixedly installed in the shell, an inner container is fixedly installed in the shell, and a rotating structure is fixedly installed in the inner container. The first motor is fixedly installed in the support, and the fan blades are fixedly installed at the output end of the first motor, so that when the motor is started, the fan blades are rotated to suck air from the air inlet, and then the air takes away heat dissipated by the heat dissipation fins to be discharged from the air outlet; and when the second motor is started, the rotating shaft is rotated to rotate the storage box, and then the fresh food at any position in the storage box can be taken out.

The utility model discloses a kind of heat preservation boxes for goods transportation, comprising: box, vertically set, and front end is open-ended;Box door, set in the front side of the box;Frame, rectangularly set in the inside of the box;Ice plate, set in the gap between the frame and the box, and distributed in the both sides and top position of the box;Holder, set in the box, and located bottom position.The utility model has the following advantages and effects: by setting the heat preservation box that can be placed in cage car, and setting the ice plate of pull-out type installation in heat preservation box, the temperature in heat preservation box is quickly adjusted, so as to realize the refrigeration or freezing storage of goods, avoid refrigeration goods or frozen goods to melt, ensure the stable transportation of goods.

The utility model relates to the technical field of vegetable storage, in particular to a freezing storage device. The refrigeration cabinet comprises a freezing cabinet and a refrigeration mechanism, the refrigeration cabinet is provided with a freezing cavity, a plurality of partition plates are arranged in the freezing cavity side by side and divide the freezing cavity into a plurality of storage cavities, two sealing doors a and a plurality of sealing doors b are arranged on the freezing cabinet side by side in a rotating and sealing mode, and the two sealing doors a and the sealing doors b are located at the storage cavities in a one-to-one correspondence mode. The two sealing doors a are located at the upper ends and the lower ends of the multiple sealing doors b correspondingly. And the refrigeration mechanism is arranged on the freezing cabinet. According to the utility model, the freezing cavity is divided into a plurality of storage cavities by the plurality of sealing doors a and b which are rotationally arranged and the partition plates, so that the influence of external hot air on vegetables is reduced.

The invention belongs to the technical field of food processing, and particularly relates to a method for delaying lipid oxidation in the frozen storage process of conditioning meat products. According to the method, the fresh meat product is firstly subjected to vacuum cooking, and then the conditioned meat product subjected to vacuum cooking is placed in a ternary dipping freezing system to be frozen for 1-2 h at the temperature of-30 DEG C to-20 DEG C. The treatment method has the beneficial effects that after the fresh meat product is treated by adopting the method in combination with conditioning and rapid freezing, the lipid oxidation rate of the conditioned meat product is remarkably reduced in the subsequent freezing storage process, meanwhile, the second-stage and third-stage structural stability of protein is higher, and the treatment method provided by the invention has the advantages that the treatment effect is good, and the treatment cost is low. The raw materials are simple and easy to obtain, the treatment cost is low, and the universality is higher.

The invention discloses postharvest durian fresh-keeping equipment convenient to adjust temperature, and relates to the technical field of durian fresh-keeping, the postharvest durian fresh-keeping equipment comprises a liquid nitrogen conveying assembly, the liquid nitrogen conveying assembly is used for durian cryopreservation, and a fresh-keeping box is fixedly mounted on the outer surface of the liquid nitrogen conveying assembly. According to the postharvest durian fresh-keeping equipment capable of conveniently adjusting the temperature, a worker turns over a sealing cover to enable the interior of the fresh-keeping box to be in a sealed state, a gasket installed between an inner-layer protection frame and an outer-layer frame plate is made of a heat preservation material, and the two gaskets of bent structures are obliquely installed between the inner-layer protection frame and the outer-layer frame plate; when heat outside the fresh-keeping box flows through the gasket, a more complex flowing path can be formed, the contact area between the heat and the surface of the gasket is increased, the heat is blocked, and the heat is prevented from being transmitted from the external high-temperature environment to the low-temperature space inside the fresh-keeping box, so that the heat preservation effect of the fresh-keeping box is improved, a stable appropriate temperature interval is maintained, and the service life of the fresh-keeping box is prolonged. And temperature loss can be reduced.

To support a user who divides a food product while the food product is frozen.SOLUTION: A frozen storage system includes: a refrigerator body provided with a storage room for storing a food product therein; cooling means for cooling the interior of the storage room; and control means for controlling the cooling means so that the internal temperature of the storage room becomes a first temperature that is equal to or lower than the freezing temperature of the food product. The first temperature is such the temperature as maintaining the frozen state of the food product until the frozen food product is taken out from the storage room and is completed with division process in which the frozen food product is divided.SELECTED DRAWING: Figure 4

The invention discloses a vacuum (or non-vacuum) ultralow-temperature cold storage. The invention belongs to the technical field of manufacturing of B23Q5 * industrial automatic control system devices. The technical problem to be solved is to manufacture ultralow-temperature, low-temperature and vacuum (non-vacuum) industrial equipment. The technical scheme for solving the problem is characterized in that a low-temperature-resistant steel plate is welded into a giant sealed container. And a low-temperature environment is generated through liquid nitrogen (or liquid helium and other refrigerants) refrigeration equipment. The container is vacuumized through the vacuumizing equipment, and the vacuum environment is simulated. Equipment, food or biological agents needing to be placed in the environment for experiments are placed in a vacuum (non-vacuum) ultralow-temperature refrigeration house, and the performance of the equipment, food or biological agents is tested for a certain time to adapt to various technical data. The device is mainly used for scientific experiments of industrial equipment needing to test various technical data of equipment performance in a low-temperature and vacuum (non-vacuum) environment or biological agents needing the low-temperature and vacuum (non-vacuum) environment and the like, frozen storage of food and the like.

The water dispensing device of the present invention comprises: a body unit having a space unit formed therein and having an open upper side; a cover unit detachably coupled to the upper end of the body unit so as to cover the open upper side of the body unit; an ice-making tray disposed inside the body unit and filled with purified water for making ice; an ice bank disposed inside the body unit and below the ice-making tray so as to store ice separated from the ice-making tray; a compressor; a condenser; an expansion valve; and a cooling means having comprising an ice-making evaporator into which the refrigerant flows after passing through the expansion valve, and which is provided to cool the purified water that fills the ice-making tray, and a freezing evaporator into which the refrigerant flows after passing through the expansion valve, and which is provided to maintain the ice stored in the ice bank in a frozen state.

This invention relates to the field of intelligent meat preservation equipment, providing an intelligent meat preservation box for non-crystalline freezing. It includes a box body and a control system. The box body forms a storage space for storing food. The box body integrates a touch-sensitive power interface and multi-point temperature sensors. The storage space includes a first side wall and a second side wall arranged opposite each other. A first electrode plate is located in the first side wall, and a second electrode plate is located in the second side wall. A controllable electric field is generated between the first and second electrode plates. The control system is located on the box body. By inputting information about the meat raw materials and the ambient temperature, the control system decides and outputs electric field parameters for non-crystalline freezing and abnormal freezing warning and melting. A controllable electric field with multi-mode feedback matching is formed in the electrode plate space to suppress ice nucleation. The intelligent meat preservation box for non-crystalline freezing provided by this invention can be flexibly stacked, suitable for various preservation needs, breaking the traditional boundaries between freezing and refrigeration temperature zones, and achieving intelligent preservation of frozen quality.

The invention provides a processing method and device for improving freezing damage and reheating fishy smell of fish meat prefabricated vegetables. The processing method comprises the following steps: carrying out pre-cooling treatment on a pre-treated product by adopting recycled liquid nitrogen cold steam, and carrying out ultralow-temperature liquid nitrogen quick-freezing on the pre-cooled product. Carrying out modified atmosphere packaging and freezing storage on the quick-frozen product to obtain a stored product; and unfreezing and reheating the stored product by adopting a heat pipe microwave coupling technology to obtain a reheated product. The center temperature of the product is reduced to-18 DEG C or below by adopting a liquid nitrogen quick-freezing technology, and the product is sealed and stored by adopting modified atmosphere packaging. And unfreezing and reheating the stored product by adopting a heat pipe microwave coupling technology to obtain a reheated product. In the reheating process, the quality change is monitored through a low-field nuclear magnetic resonance (LF-NMR) technology, the dish is unfrozen at 45 DEG C, the water state of the dish is most stable when the dish is reheated at 800 W, and the quality is better. Through cooperative regulation and control, freezing damage is remarkably inhibited, and deodorization and synergy are achieved in the reheating stage.

This disclosure describes a system for protection of the bottle or carboys during freezing, storage or transport, and thawing. The system described herein is designed to enable high heat transfer rates under certain conditions, thus enabling to freeze or thaw the biopharmaceutical solutions at optimal rates, without disassembling the protective structure. This disclosure describes a system configured to receive a bottle or carboy filled with biopharmaceutical solutions for freezing, transport and thawing. This system comprises five main parts: a lid; a top cover; a multi-shape compatible top holder; a multi-shape compatible bottom holder and a bottom cover. This system has an opening in the bottom below the container that allows air to be driven through the walls of the bottle and through a side vent. The airflow passage in the system, allows the use of the system for freezing (cold air) or thawing (hot air) while providing physical protection.

The water dispensing device according to the present invention comprises: an ice-making tray into which water required for ice making is filled; a water supply unit for supplying water required for ice making to the ice-making tray; an ice bank disposed below the ice-making tray to store ice separated from the ice-making tray; a cooling means comprising a compressor, a condenser, an expansion valve, an ice-making evaporator, and a freezing evaporator, wherein the ice-making evaporator is configured to receive refrigerant having passed through the expansion valve and provided to cool purified water filled in the ice-making tray, and the freezing evaporator is configured to receive refrigerant having passed through the expansion valve and provided for freezing storage of ice stored in the ice bank; a first heater provided in the water supply unit to heat the water supply unit; and a controller for controlling the first heater.

The utility model discloses an adjustable refrigerator separating device, and relates to the technical field of refrigerators. The refrigerator comprises a refrigerator body, a plurality of placing plates are arranged in the refrigerator body, and an adjusting assembly is arranged on one side of each placing plate. The adjusting assembly comprises a connecting frame arranged on one side of the containing plate, a first clamping plate is arranged in the connecting frame, a control box is arranged on one side of the containing plate, two fixing blocks are arranged in the control box, one side of each fixing block is elastically matched with a second clamping plate, the first clamping plate is connected with the second clamping plate in a clamped mode, and a pull rope is arranged on one side of the second clamping plate. Through the arrangement of the placing plates, articles needing to be frozen and stored can be stored, so that the refrigerator can conveniently store and classify the articles, and through the arrangement of the control box, the placing plates can be driven to move in the control box, so that the space distance between the placing plates can be conveniently adjusted, and the flexibility of article storage is improved.

The invention relates to the technical field of mobile phone heat dissipation, and discloses a refrigerant magnetic type mobile phone fever cooling patch which comprises an ice box and a thin iron sheet, the thin iron sheet is installed on the back of a mobile phone through gum, and the ice box and the thin iron sheet attract each other; the ice box comprises a first fixing box and a second fixing box. A metal box is installed between the first fixing box and the second fixing box, and a groove is formed in the portion between the first fixing box and the second fixing box. According to the refrigerant magnetic type mobile phone fever cooling patch, by arranging the thin iron sheet and the ice box, when the cooling patch is used, the thin iron sheet is pasted to a hot area on the back of a mobile phone through back glue, then the ice box is taken out of a refrigerator, the metal box at the bottom of the ice box is aligned to the thin iron sheet, and rapid adsorption and fixation are achieved through the magnetic attraction effect of the T-shaped magnet and the thin iron sheet; the refrigerant in the metal box is frozen in advance to store cold energy, the bottom surface of the metal box is in contact with a mobile phone heating area to conduct and absorb heat of a mobile phone body, and the temperature of the mobile phone is reduced by utilizing the refrigerant to raise temperature, especially the heat absorption characteristic in the phase change process.

The utility model relates to the technical field of beef fresh keeping, and discloses a freezing storage device for beef fresh keeping, which comprises a heat preservation box, a feeding port is arranged at the top of the heat preservation box, a sealing cover is sleeved at the top end of the feeding port, an ice carrying assembly is arranged in the heat preservation box, and the ice carrying assembly comprises a partition plate. The partition plate is fixedly connected to the inner wall of the heat preservation box, the surface of the partition plate is fixedly connected with a dispersion plate, and strip-shaped holes are formed in the surface of the dispersion plate and the surface of the partition plate. According to the freezing storage device for beef preservation, ice blocks can be uniformly dispersed through the wavy dispersion plate, and the situation that local accumulation affects cold release is avoided; the conical table can guide ice block melt water to flow to the inclined bottom face of the heat preservation box along the surface and be discharged through the drainage pipe, meanwhile, cold air sinking is not hindered, it is guaranteed that beef is in a low-temperature environment through cooperation with the water penetrating holes of the containing plate, meat deterioration caused by water soaking is prevented, and the beef preservation stability is improved.

The utility model relates to the technical field of cell storage, in particular to a cell freezing storage device which comprises a storage box, a storage assembly used for freezing and storing cell test tubes is installed in the storage box, and a refrigeration assembly used for cooling the storage assembly is installed in the storage box. According to the utility model, through the arrangement of the storage assembly and the refrigeration assembly, when different cells are stored, different cell test tubes are respectively placed in different cooling cavities, the different cells are isolated, then the cooling cavities are refrigerated through the cooling mechanism, and the different cells are frozen and stored; meanwhile, a temperature sensor in the cooling cavity detects the temperature in the cooling cavity in real time, and when the temperature of the cooling cavity reaches a set value, a transmission pipe corresponding to the cooling cavity is closed under the action of an electromagnetic valve, so that the storage effect of different cells is achieved, the storage box can store different cells at the same time, and the flexibility of the storage box is improved.

The utility model relates to the technical field of food processing equipment, in particular to a fish meat freezing and fresh-keeping device which comprises a freezing machine box, a heat preservation partition plate is fixedly installed on the other side in the freezing machine box, a refrigerating assembly is arranged on the outer side of the heat preservation partition plate, and a material supporting frame is fixedly installed on the end face of one side of the heat preservation partition plate. A material storage assembly is arranged between the material supporting frames, two material grooves are formed in one end of the freezing machine box, freezing box doors are fixedly installed on the outer sides of the two material grooves through hinges, an operation table plate is fixedly installed on the top end face of the freezing machine box, and a cleaning assembly is arranged at the top end of the operation table plate; when the fish meat freezing and fresh-keeping device is used, fish meat can be placed on the surfaces of the storage racks with different sizes according to storage requirements, so that the freezing and storage convenience is improved; moreover, the fish meat is suspended, so that the contact effect between the fish meat and cold air can be improved, and the cooling and fresh-keeping quality of the fish meat can be improved.

A water outlet device of the present invention comprises: an ice-making evaporator to which refrigerant having passed through a compressor, a condenser, and an expansion valve flows in, and which is provided to cool down purified water filled in an ice-making tray; and a freezing evaporator to which the refrigerant having passed through the ice-making evaporator flows in, and which is provided to freeze and store ices stored in an ice bank.

The utility model discloses a freezing storage box capable of being regulated and controlled at low temperature, which comprises a box body, a temperature transmitter is fixedly connected to the outer surface of the box body, an adjusting device is arranged outside a taking and placing device, a refrigerating machine is fixedly connected to the upper surface of a partition plate, and a refrigerating chamber is fixedly connected to the inner surface of the box body. The utility model relates to the technical field of freezing storage, which is characterized in that an adjusting device is arranged, a refrigerating machine is controlled to start refrigerating, in a fan, wind is generated by rotating blades, the wind penetrates through an exhaust pipe and is sprayed out of a spray head, a spoiler is uniformly arranged on the inner wall of each spray head, a plurality of spoiler grooves are formed in the wall of the spoiler, and the spoiler grooves are communicated with the spoiler grooves. The turbulent flow grooves in the turbulent flow piece can form a plurality of spiral air flows in one air hole, the nozzles annularly distributed on the inner wall of the refrigerating chamber can enable the spiral air flows to diffuse cold air flows towards the interior of the refrigerating chamber in multiple directions, and therefore the refrigerating chamber is filled with flowing cold air, and the freezing purpose is achieved.

To provide a heating cooker capable of shortening cooking time in heating cooking of an object to be cooked before freezing.SOLUTION: The heating cooker 1 includes a pot 5 for storing an object to be cooked, a pot heater 8 for heating the pot 5, a pressure control valve 16 capable of adjusting pressure in the pot 5, and a button display part B6 and a touch panel 35 of "freezing storage" for selecting a cooking course for freezing for performing heating cooking for freezing after cooking or a cooking course for non-freezing for performing heating cooking for other purposes in automatic cooking of a specific menu. When a cooking course for freezing is selected, the time of a decompression process for decompressing the inside of a pot 5 from a pressure exceeding the atmospheric pressure to the atmospheric pressure is shorter than the time of the decompression process of a cooking course for non-freezing.SELECTED DRAWING: Figure 5

When the storage basket is secured to the underside of the lid by a fastening mechanism, the storage basket will not fall even if it detaches from the underside of the lid. [Solution] The liquid freezing device 10 comprises a freezing tank 20 having an opening 20a on its upper surface and freezing the object to be frozen with antifreeze stored inside, a lid 23 that can open and close the opening 20a on the upper surface of the freezing tank 20, and a storage basket 30 fixed to the lower surface of the lid 23 by a fixing means 38 and capable of storing the object to be frozen. The storage basket 30 can be moved between a position where it is immersed in the antifreeze in the freezing tank 20 and a position where it is separated above the liquid surface of the antifreeze in the freezing tank 20 by moving the lid 23 up and down. A fall prevention member 40 is provided on the lower surface of the lid 23 to prevent the storage basket 30 from falling when it becomes detached from the fixing means 38.

The invention provides a deep-frying processing technology for making tiger skin chicken feet from fresh chicken feet, which comprises the following steps: S1, pretreatment: before processing, firstly putting the fresh chicken feet into a refrigerator or a refrigeration house for freezing and frosting; before each time of processing, the chicken feet are taken out and washed with flowing water to be unfrozen; after unfreezing, water is added again to cover the chicken feet; s2, bleaching and coloring: mixing 1 part of water with 0.01 part of bleaching agent, and adding 0.5 part of chicken feet. According to the deep-frying processing technology for making the tiger skin chicken feet from the fresh chicken feet, through freezing frosting and precise unfreezing technologies, the cell structure of the fresh chicken feet is prevented from being damaged, the problems of water loss and rough taste caused by freezing storage of traditional frozen chicken feet are solved, and the original fresh and tender texture of the fresh chicken feet is reserved.