49 results about "Quick Freeze" patented technology

The utility model discloses rapid freezing and thawing equipment which comprises a water outlet pipe and a water return pipe and further comprises a refrigerating unit and a heating unit, the refrigerating unit comprises a cold water tank, a cold water pump, a compressor, a condenser and an evaporator, an inlet pipeline of the cold water pump is connected with the evaporator, and an outlet pipeline of the cold water pump is connected with the water outlet pipe; an inlet pipeline of the cold water tank is connected with the water return pipe; an outlet pipeline of the cold water tank is connected with the evaporator; the heating unit comprises a hot water tank, a hot water pump and a heater arranged in the hot water tank; an inlet pipeline of the hot water tank is connected with the water return pipe, and an outlet pipeline of the hot water tank is connected with the hot water pump. According to the technical scheme provided by the utility model, the refrigerating unit and the heating unit are integrated into a whole, and the same equipment can realize the function of switching between quick freezing and thawing at any time, so that the acquisition cost of the equipment can be greatly reduced, and the quantity and the operation cost of the equipment are reduced.

1. Name of the product in this design: Electronic device with a graphical user interface for adjusting cabin parameters. 2. Application of this design: This design is intended for use in an electronic device. 3. The key design features of this product are its graphical user interface content. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. The electronic device described in this design is a conventional design, and the rear view, left view, right view, top view, and bottom view of designs 1-10 are omitted. 6. Design 1 is designated as the basic design. 7. Purpose of the graphical user interface: This product design allows users to adjust the parameters of different compartments of the refrigerator through interactive operation, such as adjusting the temperature or mode of different compartments. 8. Human-computer interaction methods of graphical user interface: User interaction operations include voice interaction commands and operation via wired or wireless remote control. It should be noted that the "gray tiles" in the graphical user interface represent variable images, and the "XX" in the graphical user interface represent variable numbers or text. The graphical user interface in the main view of Design 1 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks "Freezer" through interactive operation, the graphical user interface in the main view of Design 1 changes to the graphical user interface in the interface change state diagram of Design 1. Users can adjust the temperature of the freezer compartment and whether to turn on the quick freeze function in this graphical user interface. The graphical user interface in the main view of Design 2 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks "Freezer" through interactive operation, the graphical user interface in the main view of Design 2 changes to the graphical user interface of the interface change state diagram of Design 2. Users can adjust the temperature of the freezer compartment and whether to turn on the quick freeze function in this graphical user interface. The graphical user interface in the main view of Design 3 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks on "Refrigerator" through interactive operation, the graphical user interface in the main view of Design 3 changes to the graphical user interface of the Design 3 interface change state diagram. Users can adjust the temperature of the refrigerator compartment and whether to turn on the quick cooling function and holiday mode in this graphical user interface. The graphical user interface in Design 4's main view is the main page for adjusting refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment through this user interface. When the user clicks on "Refrigerator Compartment" through interactive operation, the graphical user interface in Design 4's main view changes to the graphical user interface in Design 4's interface change state diagram. Users can adjust the temperature of the refrigerator compartment and whether to turn on the quick-cooling function and holiday mode through this graphical user interface. The graphical user interface in Design 5's main view is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment through this user interface. When the user clicks "One-Click Freeze Compartment" through interactive operation, the graphical user interface in Design 5's main view changes to the graphical user interface in Design 5's interface change state diagram. Users can turn the one-click freeze compartment function on or off through this graphical user interface. The graphical user interface in the main view of Design 6 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks "One-Click Freeze Compartment" through interactive operation, the graphical user interface in the main view of Design 6 changes to the graphical user interface of the interface change state diagram in Design 6. Users can turn the one-click freeze compartment function on or off in this graphical user interface. The graphical user interface in the main view of Design 7 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks on "Molecular Preservation Compartment" through interactive operation, the graphical user interface in the main view of Design 7 changes to the graphical user interface of the Design 7 interface change state diagram. In this graphical user interface, users can see the corresponding function introduction of the Molecular Preservation Compartment according to different food items. The graphical user interface in Design 8's main view is the main page for adjusting refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment on this user interface. When the user clicks on "Molecular Preservation Compartment" through interactive operation, the graphical user interface in Design 8's main view changes to the graphical user interface in Design 8's interface change state diagram. On this graphical user interface, users can see the corresponding function introduction of the Molecular Preservation Compartment according to different food items. The graphical user interface in the main view of Design 9 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks on the "left variable temperature compartment" through interactive operation, the graphical user interface in the main view of Design 9 changes to the graphical user interface of the Design 9 interface change state diagram. Users can adjust the temperature of the left variable temperature compartment and whether to turn on the soft freeze function in this graphical user interface. The graphical user interface of the design 10 main view is the main page for adjusting the parameters of the refrigerator compartments. In this graphical user interface, the user can see the temperature, mode and details of all food materials of each compartment. When the user clicks "left variable temperature room" through interactive operation, the graphical user interface of the design 10 main view changes into the graphical user interface of the design 10 interface change state view. In this graphical user interface, the user adjusts the temperature of the left variable temperature room and whether to turn on the soft freezing function.

The utility model discloses a kind of pigskin jelly quick freezing forming temperature control equipment, belong to quick freezing temperature control equipment technical field, including refrigerator, the inner wall of refrigerator is fixedly connected with column and guide shaft;Mesh plate, the mesh plate is fixedly connected between column, and the upper of mesh plate is placed with mould basin;Supporting assembly, the supporting assembly includes cross bar, the inner wall of both ends of cross bar is fixedly connected with sliding sleeve, and sliding sleeve is slidably sleeved in the outside of guide shaft, the outer wall of cross bar is fixedly connected with positioning rod, the top of the most upper supporting assembly is connected with the jacking end of electric push rod. Through upper die assembly can be covered to mould basin Protection, to be contacted with pigskin jelly upper surface by lower silica gel plate and pigskin jelly and be pressed tightly, avoid its bubble generation in forming process, cause its volume increase, ensure the compactness after pigskin jelly forming, improve its edible taste, avoid pigskin jelly surface bare simultaneously leading to dry metamorphism.

The utility model is suitable for the technical field of freezing equipment, and provides tunnel type variable-frequency variable-voltage rod electrode array coupling liquid nitrogen freezing equipment which comprises a freezing tunnel and a conveying belt penetrating through the interior of the freezing tunnel. An electric field device is further arranged in the freezing tunnel, the electric field device comprises an electric field generator, a frequency converter and a plurality of rod electrodes, and the rod electrodes are uniformly distributed in the freezing tunnel; the electric field generator is electrically connected with a plurality of frequency converters arranged in the freezing tunnel, so that an electric field is uniformly distributed in the freezing tunnel; a liquid nitrogen spraying device is further arranged in the freezing tunnel, and the liquid nitrogen spraying device is used for spraying liquid nitrogen. The quick freezing device is high in applicability and can be used for quickly freezing various fresh meat such as fish meat, livestock meat and poultry meat; and meanwhile, the controllability is high, and parameters such as frequency, voltage and freezing rate can be adjusted.

The utility model relates to the technical field of food quick freezing, in particular to a multi-layer continuous tunnel instant freezer which comprises a heat preservation shell and a quick freezing channel arranged in the heat preservation shell, a feeding port and a discharging port which are communicated with the quick freezing channel are formed in the two ends of the heat preservation shell respectively, a feeding frame is fixedly installed at the position of the feeding port, and a discharging frame is fixedly installed at the position of the discharging port. A discharge frame is fixedly mounted at the discharge hole; by arranging the multi-layer conveying net belt structure, materials can be conveyed in the heat preservation shell in a falling and reciprocating mode, the internal environment of the heat preservation shell is fully utilized, and the space utilization rate is effectively increased; by arranging the connecting pipe, the air supply box and the exhaust pipe, a closed cold air conveying channel is formed between the air outlet of the fan and the conveying net belt, the energy loss of cold air in the flowing process is effectively reduced, and the freezing efficiency is remarkably improved; and by arranging the flushing pipe, the defrosting water tank and the water supply pump, the automatic defrosting function is achieved, the trouble of manual shutdown cleaning is avoided, and the production efficiency is further improved.

The utility model relates to the field of plasma quick-freezing preservation, in particular to a plasma tray quick-placing support for a plasma quick-freezing instrument, which comprises a walking part and a placing part, the placing part is arranged on the walking part, the walking part comprises an advancing unit and a main frame body, the advancing unit is arranged at the bottom of the main frame body, and the placing part is arranged on the main frame body. The placing part comprises a placing unit used for placing the plasma tray and an auxiliary unit used for assisting the plasma tray to be fed into and taken out of the plasma quick-freezing instrument, the plasma tray can be rapidly placed through the device, time and labor are saved, the situation that the plasma quick-freezing efficiency is low due to the fact that a sealing door of the plasma quick-freezing instrument is opened for a long time is avoided, the plasma quick-freezing efficiency is effectively improved, and the service life of the plasma quick-freezing instrument is prolonged. When the plasma tray is placed, the plasma tray does not need to be lifted by a worker, the labor intensity of the worker is effectively reduced, meanwhile, errors caused by long-time lifting of the plasma tray by the worker can be prevented, plasma scattering is prevented, and high stability is achieved.

The invention discloses a quick-freezing device based on refrigerating fluid and a temperature adjusting method, and belongs to the technical field of quick-freezing devices.The quick-freezing device comprises a freezing tank used for freezing food, and a refrigerating unit, a layered refrigerator and a temperature adjusting tank are arranged below the freezing tank; a refrigerating pipe is arranged at the refrigerating end of the refrigerating unit, the refrigerating pipe is located in the layered refrigerator, the layered refrigerator is filled with partial freezing liquid, and during working, the partial freezing liquid is refrigerated in the layered refrigerator, then conveyed to the temperature adjusting tank, conveyed to the freezing groove, contacted with food and then flows back to the layered refrigerator; three layers of refrigeration cavities are sequentially arranged in the layered refrigerator from top to bottom, a one-way valve is arranged between every two adjacent layers of refrigeration cavities, each layer of refrigeration cavity is provided with a liquid mixing pipe connected with the temperature adjusting tank, and each liquid mixing pipe is provided with a control valve. And the opening degree and the opening time of the three control valves are controlled according to different temperature requirements during working. Accurate and dynamic temperature control in the freezing process is achieved.

The utility model discloses single-body quick freezing equipment which comprises a shell, a conveying belt is installed in the shell, a transmission wheel is attached to the inner wall of the conveying belt, the single-body quick freezing equipment further comprises a freezing structure, and the freezing structure is installed at the top of the inner wall of the shell. The turnover device is arranged above the conveying belt; the recovery device is mounted at the bottom of the shell; the food is quickly frozen through the freezing structure, and the food is overturned through the overturning device. The utility model relates to the technical field of quick freezing equipment, through the cooperation of a spray pipe, a connecting pipe and a liquid nitrogen pump, food is placed on a conveying belt, the input end of the liquid nitrogen pump is connected to the liquid nitrogen pipe, liquid nitrogen in a liquid nitrogen tank is conveyed into the spray pipe through the connecting pipe by the liquid nitrogen pump, and then the liquid nitrogen is sprayed out through the spray pipe, so that the food on the conveying belt is quickly frozen. Therefore, single-body quick freezing of the food in a short time is realized.

The utility model relates to a quick-freezing cabinet, in particular to a food mechanical quick-freezing cabinet which comprises a refrigeration assembly, a quick-freezing assembly is fixed to the top of the refrigeration assembly, a containing assembly is connected into the quick-freezing assembly in a sliding mode, a blocking assembly is fixed into the quick-freezing assembly and comprises a storage frame, and the storage frame is fixed into the quick-freezing assembly. A rotating shaft is rotationally connected into the storage frame, a coil spring is arranged on one side of the rotating shaft, blocking cloth is fixed to one side of the rotating shaft, a limiting strip is fixed to the end of the blocking cloth, a magnet is fixed to one side of the limiting strip, the refrigeration assembly comprises a refrigeration box, supporting legs are fixed to the bottom of the refrigeration box, and an air dispersing plate is fixed into the refrigeration box. According to the food quick-freezing box, the inside of the quick-freezing box is divided into a plurality of areas through the arrangement of the blocking cloth, so that when food is placed in the quick-freezing box, cold air can flow out to a large extent only in the placing areas, the quick-freezing effect of other areas cannot be affected, and the food can be placed and taken more conveniently by utilizing the mode that the placing box can be pulled out.

The invention discloses surface moisture removing equipment for quick-freezing processing and a method thereof, and belongs to the technical field of food quick-freezing. Surface moisture removing equipment for quick freezing processing comprises a water leakage hole, and the front end and the rear end of the water leakage hole are each provided with an auxiliary conveying belt; the number of the auxiliary conveying belts is two, the number of the limiting connecting frames is two, supporting connecting frames are arranged in the middles of the lower ends of the outer portions of the two limiting connecting frames, the number of the supporting connecting frames is two, and the lower ends of the two supporting connecting frames are of an integrated structure. According to the quick-freezing device for processing, the problem that surface liquid is removed only through drying before a product is subjected to quick-freezing treatment by an existing quick-freezing device for processing is solved, wet food materials are subjected to transverse reciprocating movement and longitudinal reciprocating movement, and the movement can directly shake the wet food materials at a constant speed; liquid on the surface of the stone can directly drop through shaking, the drying time is shortened, and the taste and the storage time of the food materials can be improved.

Pallet racking systems are designed to quickly freeze items using thermal transfer by moving air through palletized products. Air is pulled through the palletized product to a negative air plenum behind the pallet rack. Back panels of the pallet racks use perlbrations to control, redistribute, or balance airflow, accommodating differing or irregular configurations of palletized products.

The invention discloses an express delivery courier station distributed rapid ice-freezing ball machine system and a control method thereof, and aims to solve the problems of single temperature layer, low efficiency, poor adaptability and insufficient intelligence of existing ice-making equipment. The system comprises an intelligent control module, a multi-temperature-layer freezing module, a cold carrying liquid circulation module, a centrifugal separation module and a cache storage module. The intelligent control module is in butt joint with an express order system, and an ice making plan is generated through commodity-temperature mapping, thermodynamic calculation and intelligent arrangement; the multi-temperature-layer freezing module is used for preparing ice balls at different temperatures in the same manufacturing area through parameter adjustment by using general physical hardware; the cold-carrying liquid circulation module enhances heat exchange in a soaking and rolling manner, so that the freezing efficiency is improved; the centrifugal separation module realizes ice ball dehydration and directional transfer; and the cache storage module performs three-dimensional storage according to temperature layers and outputs according to needs. One device meets the requirement for multiple temperature zones, the automation degree is high, and the refrigerant supply problem of the last kilometer of a cold chain is effectively solved.

The invention relates to the technical field of meat detection, and discloses a meat online detection assembly and a liquid nitrogen quick-freezing cabinet, the meat online detection assembly comprises a rectangular frame, the top surface of the rectangular frame is connected with second square tubes, and the second square tubes are connected in series through third square tubes; the side walls of the second square tubes are connected with supporting plates, the four supporting plates form a frame-shaped structure, and a tray for bearing meat products is placed on the frame-shaped structure; the free end of the first spool is connected with the central column, the included angle of the first spool is connected with a second spool, the side wall of the second spool is connected with a first tube seat, and the lower port of the first tube seat is connected with a sensor assembly; a sensor assembly circuit penetrates out through the second wire pipe, the first wire pipe, the footstand and the second square pipe. A positioning pipe is arranged at the upper port of the front second square pipe; a heat-insulating component is arranged on the outer wall of the sensor component circuit; the problems of sample waste and dynamic tracking deficiency in traditional detection are avoided, the detection accuracy is improved, quick freezing is uniform, operation is convenient and fast, the automation degree is high, and the meat product quick freezing online detection requirement is met.

This utility model discloses an aluminum alloy single-freezing tray, including an upper frame structure and a lower single-freezing tray. The upper frame structure has an isosceles trapezoidal cross-section, which is inverted, resulting in an upper opening larger than the lower opening. The lower single-freezing tray has a rectangular cross-section with an open top. The upper frame structure and the lower single-freezing tray are integrally formed, and the connection between them is set as a limiting edge. During freezing or transportation, the aluminum alloy single-freezing tray can be stacked to save space without hindering the freezing and appearance of the frozen products. It also enables rapid freezing, reduces ice crystal formation, avoids cell structure damage, ensures uniform cold air circulation, and improves freezing efficiency.

The application discloses a refrigerator and a quick-freezing control method thereof. The refrigerator is provided with a weight induction sensor and a temperature sensor in a quick-freezing chamber, so that when a user needs to quickly freeze food in the quick-freezing chamber, a suitable quick-freezing mode can be automatically determined according to the food type, weight and temperature, and the quick-freezing operation duration and other load control can be determined according to the quick-freezing mode, so that the food can be quickly frozen and the energy-saving purpose can be achieved.

This utility model relates to the technical field of food quick-freezing equipment, specifically providing a tunnel-type quick-freezing device for marine vessels using a multi-layer mesh belt system. It includes an insulated storage chamber with an inlet and an outlet at both ends, three parallel stacked conveyor belts (upper, middle, and lower layers), and a material guiding mechanism located at the ends of each conveyor belt to transfer materials to adjacent layers. By using a multi-layer parallel mesh belt system along the vertical direction, the overall size of the equipment extending along the horizontal axis is significantly reduced without decreasing the material movement length. This solves the problems of existing similar products, increases the production density per unit area, and reduces energy consumption and operating costs, providing a more ideal tunnel-type quick-freezing device for modern fishing vessels.

The utility model discloses an intelligent temperature control fat beef slice quick-freezing device which comprises a machine frame, a conveying belt is rotationally installed on the machine frame, a cover body is fixedly connected to the top of the machine frame, a microcomputer is fixedly installed at the top of the cover body, and freezing modules are fixedly installed on the two sides and the middle of the top in the cover body respectively. A plurality of temperature sensors fixedly connected with the inner walls of the two sides of the cover body are arranged at the bottom of the freezing module; cleaning assemblies are arranged on the surfaces of the two side walls of the bottom of the conveying belt correspondingly and are in sliding clamping connection with transmission shafts correspondingly, one ends of the two transmission shafts are in transmission connection through cooperation of a transmission belt and a transmission wheel, the end of one transmission shaft is fixedly connected with an output shaft of a motor, and the motor is fixedly installed at one end of the rack. The other end of the rack is fixedly connected with a cylindrical shell, and a servo motor is fixedly installed at the end, away from the rack, of the cylindrical shell.

The utility model discloses a quick freeze-drying treatment device for samples, which relates to the field of microbial flora treatment, solves the problem of low freeze-drying efficiency of an existing device for corresponding microbial flora trays, and adopts the following scheme that the quick freeze-drying treatment device comprises a freeze-drying machine body and a frame plate assembly fixedly mounted in a vacuum freezing cavity, the frame plate assembly comprises a support and a supporting plate which are connected in a clamped mode, and the supporting plate is sleeved with a containing plate in a sliding mode. The supporting plate is an inclined plate, a clamping base is fixedly installed at the bottom of the supporting plate, and an end clamp is arranged at the top end of the supporting plate. According to the rapid freeze-drying treatment device for the sample, through the arrangement of the frame plate assembly on the inner side of the vacuum freezing cavity, the treated microbial flora trays can be uniformly placed according to different numbers of the treated microbial flora trays, and the supporting plates with corresponding heights and positions and the placing plates on the supporting plates are lapped according to requirements, so that the rapid freezing and freeze-drying effects are ensured; and meanwhile, the placement plate and the microbial flora trays on the placement plate can be taken and placed in a rapid drawing and pulling mode.

The present application belongs to the technical field of liquid nitrogen quick freezing, and particularly relates to a method for pre-cooling and segmenting liquid nitrogen quick freezing of pre-baked toast. The toast is pre-cooled in a refrigerator freezing chamber, and then frozen by using a segmenting liquid nitrogen quick freezing mode. Temperature is measured by using a temperature sensor during freezing, and temperature and time are adjusted to find the best segmenting freezing parameters. The toast is frozen by using the method, which on the one hand delays the aging of the toast by using pre-cooling and segmenting liquid nitrogen quick freezing technology, and prolongs the storage period; on the other hand, temperature is measured by using a temperature sensor, temperature and time are adjusted, and the best segmenting freezing parameters are found, which greatly improves the energy saving effect and reduces the cost.

The utility model relates to the technical field of polypeptide freeze-drying, and discloses a quick freeze-drying device for polypeptide, which comprises a box body for supporting the freeze-drying device; the cold air pipe is fixedly connected to the box body and used for conveying cold air, and one end of the cold air pipe is connected with the air conveying end of the refrigerator through a flange plate; the air outlet is formed in the cold air pipe and is used for blowing cold air onto the test tube filled with polypeptide; the rotating mechanism comprises a bottom supporting plate arranged on the box body and is used for supporting the test tubes; the fixing structure comprises a clamping plate arranged on the box body and is used for fixing the test tube, the cylinder is driven by the motor to rotate, so that the test tube can uniformly rotate, cold air can more uniformly act on a polypeptide solution in the test tube, all parts of the solution can be fully cooled, and the cooling effect is improved. And the uniformity and consistency of the freeze-drying effect are improved.

The invention discloses an anti-adhesion treatment method and system for quick freezing of tapioca pearls, and aims to solve the problem that the tapioca pearls are easy to adhere during freezing. The method comprises the following steps: acquiring the surface humidity, the surface viscosity and the freezing environment temperature of the tapioca pearls; determining an adhesion risk level through comparison with a preset threshold value; and when the freezing triggering condition is met, a self-adaptive freezing anti-adhesion strategy is generated in combination with the technological parameters and the real-time data, and a freezing treatment scheme is obtained. According to the method, a humidity sensor, a viscosity detection device and a temperature sensor are adopted for collecting parameters, the risk level is calculated through difference value weighting, and the freezing rate, time, temperature stratification and airflow frequency are dynamically adjusted according to the high-risk, particle-size-dominant or composite risk state. The system comprises a parameter acquisition module, a risk assessment module and a strategy generation module which correspond to the method. Through self-adaptive control, the adhesion risk is reduced, and the freezing efficiency and the product quality are improved.

The invention relates to the technical field of frozen meat processing, in particular to a treatment method for relieving quality deterioration of frozen meat in multiple freezing and thawing cycles, and the treatment method comprises the following steps: firstly, soaking fresh meat blocks in a water-based composite anti-freezing solution consisting of trehalose, polydextrose and soluble soybean polysaccharide for pretreatment; then, the treated meat blocks are placed in a liquid nitrogen or liquid nitrogen steam environment with the temperature ranging from-40 DEG C to-80 DEG C to be quickly frozen, and the center temperature of the meat blocks is quickly reduced to-18 DEG C or below; and finally, storing the quick-frozen meat blocks at the temperature of-12 DEG C to-25 DEG C. According to the method disclosed by the invention, by virtue of a synergistic effect of micro ice crystals formed by molecule protection and rapid freezing of the antifreeze agent, mechanical damage to muscle tissues, protein denaturation and juice loss caused by freezing and thawing cycles can be remarkably reduced, so that key quality indexes such as water binding capacity, color and texture of the frozen meat after repeated freezing and thawing are effectively maintained.

The application discloses a kind of pre-cooked food quick freezing device and its using method, specifically related to pre-cooked food processing technical field, including freezing store, the middle part of the freezing store is equipped with freezing mechanism, the front end of the freezing mechanism is equipped with first transmission mechanism, the end of the freezing mechanism is equipped with second transmission mechanism;The freezing mechanism includes two groups of first side frames distributed symmetrically, the first side frame is fixedly installed in freezing store, the top and bottom of the first side frame are equipped with isolation piece, the isolation piece includes two isolation side plates distributed symmetrically, the isolation side plate is fixedly installed on the first side frame, transmission horizontal shaft is rotatably installed at both ends of the isolation side plate, the present application, by setting freezing mechanism, pre-cooked food is transmitted and multi-stage quick freezing is carried out, the freezing effect of pre-cooked food is improved, and since pre-cooked food is located in freezing isolation store, waste of liquid nitrogen can be effectively reduced, and nitrogen is recycled at the end, to further prevent resource waste.

The invention belongs to the technical field of food quick-freezing, and particularly relates to a fluidization-based food production and processing quick-freezing device and a fluidization-based food production and processing quick-freezing method. Comprising a conveying table; a net type conveying belt is mounted on the conveying table; the conveying table is also connected with a fan; the fan is located at the bottom of the net type conveying belt. The output end of the fan faces the net type conveying belt; the output end of the fan is connected with fan blades; a freezing box body is mounted at the top of the conveying table; the freezing box is located on the top of the net-type conveying belt. When the output end of the draught fan drives the fan blades to rotate, generated wind power acts on the net type conveying belt, materials located on the net type conveying belt are stressed to suspend in the freezing box body, and then freezing treatment is completed. A displacement stirring device is arranged on the freezing box body; the displacement scattering device comprises a positioning base; by means of the device, agglomerated and adhered frozen products are removed, manual secondary scattering treatment is avoided, the labor cost and the working intensity are reduced, and the use efficiency and the quick-freezing effect of the device are improved.

The present application relates to the field of food processing and preservation technology, and more particularly to a preservation method for breaking the growth phase of meat products based on liquid nitrogen segmented quick freezing, comprising: real-time monitoring of the three-dimensional temperature field in the quick freezing cabinet, identifying the local area with abnormal maximum ice crystal belt time, starting targeted biological monitoring for the abnormal area, obtaining colony distribution and characteristic volatile organic compound concentration data, and diagnosing the microbial risk state, and finally executing a hierarchical control strategy according to the diagnosis result, including maintaining the process, starting directional low-temperature plasma antibacterial or strengthening liquid nitrogen spraying; the present application realizes real-time and accurate identification and dynamic intervention of local microbial risk in large-scale quick freezing process, fundamentally improving the reliability of breaking the growth phase, and the present method takes into account the temperature uniformity and quality safety in the equipment, realizing high-quality, standardized intelligent preservation production.

The invention discloses a method and device for controlling the liquid nitrogen injection amount of a food cryogenic instant freezer, and relates to the technical field of food freezing processing equipment control, and the method comprises the following steps: establishing an injection response time zone based on a time sequence of a multi-temperature-zone liquid nitrogen injection amount control process, and the opening and closing rhythms of the liquid nitrogen injection valves in all the temperature zones are uniformly mapped to a uniform time axis, and a cooling capacity release continuous base line is formed. The liquid nitrogen injection rhythm is controlled through time serialization and phase separation, injection and temperature control feedback resonance is avoided, cold flow distribution is stabilized, and it is guaranteed that the freezing process is balanced; through injection rhythm correction and cooling capacity coupling coordination, a multi-temperature-zone cooling capacity closed loop is achieved, the cooling capacity utilization rate is increased, energy consumption is reduced, the freezing period is shortened, and the food quick-freezing quality and the equipment operation efficiency are improved.

The utility model belongs to the field of concrete quick freezing and thawing, and particularly relates to a test piece container for a concrete quick freezing and thawing testing machine, which comprises a placing box, a gutter channel is arranged in the placing box, a working assembly is arranged in the placing box, and the working assembly comprises a limiting plate fixedly connected in the placing box. A containing frame is fixedly connected to the interior of the limiting plate, and a jacking block is fixedly connected to the interior of the containing frame. According to the device disclosed by the utility model, the soaked test piece is placed in the placing frame, and the test piece is supported by the jacking block, so that after a thawing test is finished, the test piece can be adhered to the interior of the placing frame, and at the moment, the placing frame can be pressed to enter the interior of the accommodating frame, so that the test piece is jacked up by the jacking block; and the test piece is separated from the placing frame, so that the test piece is convenient to take, the difficulty of taking the test piece is reduced, the time required for taking the test piece is shortened, and the working efficiency is improved.

The invention discloses a cold accumulation cascade instant freezer system and a control method thereof, and the system comprises a cold accumulation system which is sequentially connected with a cold accumulation unit, a cold accumulation condenser, a first expansion valve and a cold accumulation device through a pipeline to form a cold accumulation loop; the quick-freezing system is sequentially connected with a quick-freezing unit, a cold storage device, a second expansion valve and a quick-freezing evaporator through pipelines to form a quick-freezing loop, and the quick-freezing evaporator is arranged in the heat preservation warehouse body; the cold storage device comprises an ice pool with a built-in phase change medium, the ice pool serves as a cold storage evaporator in the cold storage system to enable the phase change medium to be solidified and store cold, and the ice pool serves as a quick-freezing condenser in the quick-freezing system to enable the phase change medium to be melted and release cold. According to the invention, night valley electricity cold storage and daytime peak electricity cold release are utilized to assist quick freezing, so that the electric charge is greatly reduced, and the energy consumption is saved; the cold storage temperature in the cold storage device is high, compared with an existing scheme that the cold storage temperature must be lower than the quick-freezing temperature, energy consumption of cold storage is lower, the cold storage temperature and the quick-freezing temperature are decoupled and are not limited by the quick-freezing temperature, and application is more flexible.

The utility model provides a quick freeze-drying device for biochemical products, which relates to the technical field of freeze-drying devices and comprises a box body, a plurality of fixing seats are arranged in the box body, fixing plates are arranged on two sides of each fixing seat, U-shaped seats are fixedly mounted on two sides in the box body and are in sliding connection with the fixing plates, a plurality of uniformly distributed clamping grooves are formed in the inner walls of the U-shaped seats, and the U-shaped seats are fixedly connected with the clamping grooves. Limiting grooves are formed in the outer walls of the fixing plates. When the device is used, a worker pulls a pull rope according to the size of a biochemical product, the pull rope drives two connecting rods to move, then two clamping blocks are driven to move, the clamping blocks leave clamping grooves, springs are compressed, then the worker pushes a fixing base to move, the distance between trays is adjusted according to the size of the biochemical product, and when adjustment is finished, the fixing base is rotated to move. And a worker loosens the pull rope, the elastic force of the spring pushes the clamping block to enter the clamping groove, fixing can be completed in this way, and the use range of the device is widened.

The invention relates to the technical field of drying equipment, and discloses a drying machine for quick freeze-drying of protein fluid, the drying machine comprises a case, and a drying bin and a cold trap chamber which are arranged in the case, at least one shelf is arranged in the drying bin, a tray is placed on each shelf, an elastic heat-conducting film assembly is arranged in each tray, and the elastic heat-conducting film assemblies are arranged in the case. The tray is slidably connected with a pressing frame used for pressing the edge of the elastic heat-conducting film assembly, the tray is internally provided with an air suction channel communicated between the inner wall of the tray and the elastic heat-conducting film assembly, one side wall of the tray is slidably connected with a sliding block, and one side of the sliding block is fixedly provided with a detection block. The elastic heat conduction film assembly is tightly attached to the inner wall of the tray through air suction of the air suction channel, the consistency of heat conduction between raw materials in the tray and the shelf is guaranteed, the heating uniformity of the raw materials is guaranteed, the sublimation rate of the raw materials is consistent, and the freeze drying effect of the raw materials is improved.