19 results about "Quick freezing" patented technology

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 application provides a kind of quick freezing device based on konjak product, including tunnel freezer body, also including ice bridge generation seat and electric field guide rail;The application realizes the controllable adhesion between the adjacent konjak tofu sides and corners during quick freezing by the multifunctional integrated design of ice bridge generation seat and electric field guide rail, forms the overall structure similar to "stamp unit", which is convenient for batch forming and automatic handling, and also makes consumers easily break apart;At the same time, the arc-shaped demolding rod on the electric field guide rail mechanically triggers the outward movement of the side baffle and links the piston exhaust jet, realizes the double soft demolding of mechanical drawing and airflow injection, effectively avoids product damage;At the same time, the electric field guide rail is reused as parallel electrodes to apply alternating electric field, promote the formation of small ice crystals, combined with the segmented temperature zone design of the pre-cooling zone and quick-freezing zone of the tunnel freezer body, significantly reduces the juice loss rate after thawing and maintains the Q elastic taste.

The invention provides a preparation method of frozen instant fruits, which comprises the following steps: A) blanching fresh fruits, and pre-freezing to obtain pre-frozen fruits; b) performing graded freeze drying on the pre-frozen fruits, and removing 10-50% of moisture in the fresh fruits to obtain freeze-dried fresh-locked fruits; and C) freezing and storing the freeze-dried and fresh-locked fruits to obtain the frozen instant fruits. According to the invention, the pain points of traditional freeze-dried fruits and direct frozen fruits are solved, and the internal structure of the fruits is optimized through an ultralow-temperature pre-freezing and vacuum freeze-drying technology. Tiny ice crystals are generated in the fruits through ultralow-temperature quick freezing, the ice crystals sublimate in the drying process, and the interiors of the fruits are loosened. By adjusting the drying process, partial moisture of the fruits is removed, and the taste of the fruits is optimized.

This invention relates to the technical field of freezing equipment, and in particular to a rapid freezing device for preserving and reducing the loss of poultry and livestock meat. It includes a storage tank containing cryogenic liquid and two arc-shaped plates coaxially disposed on the top of the storage tank, the two arc-shaped plates being arranged in an inner-outer sleeve configuration. An arc-shaped opening and an arc-shaped connecting area are provided on the top of the storage tank, with both ends of the arc-shaped opening and the arc-shaped connecting area located between the two arc-shaped plates. By using cryogenic liquid to immerse and cool the meat, heat exchange efficiency can be effectively improved, the cooling rate of the meat can be increased, thereby reducing the volume of ice crystals, achieving rapid freezing and water-locking functions, and improving the preservation and loss reduction effect. Simultaneously, the continuous, circulating freezing mode allows for continuous processing of food, greatly improving food freezing efficiency. Several baffles on the rotating ring can maintain a sealed and isolated effect on the storage tank during the movement of the rotating ring and the meat, preventing a large amount of external air from entering the storage tank.

The application relates to a soluble silk fibroin pellet quick-freezing, separating and collecting device. The device comprises a low-temperature treatment tank, an external heat preservation tank, a feeding assembly, a separating assembly and an electric control system. The low-temperature treatment tank is nested in the external heat preservation tank and is adiabatic; the feeding assembly is arranged between a top cover plate and an adiabatic plate and comprises a material feeding pipe, a liquid nitrogen feeding pipe and a recovery pipe; a liquid drop pipe is arranged in the material pipe and is provided with a heating device arranged inside the liquid drop pipe to prevent freezing; liquid drops fall through the adiabatic plate into liquid nitrogen to be quickly frozen into small balls. The parameters of a stirring paddle can be adjusted to control the particle diameter, and a peristaltic pump and the specification of the drop pipe are used to control the size. The quick-frozen mixture flows into a separating tank through a low-temperature electromagnetic valve, small balls are intercepted by a screen, and liquid nitrogen is recycled. The electric control system is used for regulating and controlling stirring, the electromagnetic valve and heating power. The device can ensure resolubility through low shear quick freezing, the quick-frozen mixture can be freeze-dried in less than 24 hours due to the high specific surface area of the small balls, the cost is reduced through liquid nitrogen circulation, and the flux and particle diameter can be controlled through multi-parameter adjustment, so that the device is suitable for the preparation of silk fibroin and composite materials.

The application relates to the technical field of fishing boat refrigerators, and discloses a refrigerator for quick freezing and cold storage of catch on a fishing boat, which comprises a refrigerator body, a door is hingedly installed on the front face of the refrigerator body, and the internal storage space of the refrigerator body is divided into a quick freezing area and a cold storage area. The refrigerator has the functions of quick freezing and cold storage, the quick freezing area and the cold storage area are interconnected, marine products enter the refrigerator in batches, the marine products enter the quick freezing area when entering the refrigerator, and then enter the cold storage area after being quickly frozen to a set temperature; the quick freezing area has small air flow resistance, the cold storage area has large air flow resistance, the quick freezing area has large refrigerating capacity, the cold storage area has small refrigerating capacity, the quick freezing and cold storage requirements are simultaneously met, the refrigerating capacity can be automatically distributed between the quick freezing area and the cold storage area when marine products are loaded, and the functions of quick freezing and cold storage are simultaneously realized.

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 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 present application relates to a kind of bamboo shoot pre-processing product with tunnel type freezing equipment and control system, it is related to food processing equipment technical field, the present application can be real-time, intuitively identify the complex low wind speed dead angle area and airflow short circuit area in tunnel by the synergy of flow field perception array and three-dimensional space modeling, effectively solve the problem that bamboo shoot freezing core temperature is not consistent due to airflow distribution uneven, innovatively introduce product quality inspection parameter as the feedback constraint of deep learning model, can be according to the actual quality feedback of pre-processing product, reverse optimization flow field compensation strategy, while ensuring quick freezing, through fine control wind, reduce the water loss on the surface of bamboo shoot, simultaneously based on the flow field simulation compensation model of deep learning, can automatically analyze complex flow field distribution diagram and be converted into the deflection instruction of multi-dimensional actuator, reduce the dependence on artificial experience, ensure that different batches, different stacking density bamboo shoot can obtain optimal and uniform quick-freezing effect.

The application belongs to the technical field of mechanical equipment, and particularly discloses a bamboo shoot high-flux air-cooling quick-freezing device and process, which comprises a freezing tunnel chamber, a conveying mechanism and a high-flux circulating fan. Two ends of the freezing tunnel chamber are divided into two freezing cavities. Cold air spraying mechanisms are arranged in the two freezing cavities. Cold air entering mechanisms are arranged at the two ends of the freezing tunnel chamber and correspond to the positions of the two freezing cavities. The conveying mechanism is arranged below the freezing tunnel chamber and is used for conveying bamboo shoots. A plurality of folded plates are arranged below the cold air spraying mechanisms in the freezing tunnel chamber. The plurality of folded plates are arranged above the freezing tunnel chamber through suspension rods at the corners of the folded plates. A plurality of mesh holes are arranged in the plurality of folded plates. The application realizes the synergistic effect of low-temperature high-humidity laminar cooling and continuous tumbling disturbance, significantly improves the uniformity and quality of bamboo shoot quick freezing, and avoids the problems of dry consumption and freezing asynchronization.

The present application belongs to the technical field of spiral quick freezer, especially to an energy-saving spiral mesh belt type quick freezing device. In view of the problem that the ice block condensed on the surface of the stainless steel mesh belt cannot be removed in time during use, resulting in the increase of energy consumption and the decrease of operation efficiency, the following scheme is proposed. The shell is internally provided with a quick freezer, and the outer side of the shell is provided with an auxiliary energy-saving mechanism. The auxiliary energy-saving mechanism includes a connecting frame, and the number of the connecting frame is two. One end of the two connecting frames is fixedly connected with the outer side of the shell. The energy-saving spiral mesh belt type quick freezing device disclosed by the present application can quickly process the ice block attached to the surface of the mesh belt through the auxiliary energy-saving mechanism when the spiral stainless steel mesh belt completes the food quick freezing and enters the return phase, effectively avoiding the influence of mesh belt icing on food quick freezing efficiency, and at the same time, eliminating the problem that the device is forced to increase the operation load to maintain the quick freezing efficiency.

The application discloses a novel up-down reciprocating disc food quick freezer device, and relates to the technical field of food quick freezing. The device comprises a quick freezer, a discharging conveying belt, a handle and a box door. The quick freezer is internally provided with clamping, rotating driving, cold spraying, reciprocating driving and discharging driving assemblies. The rotating driving assembly drives the food to uniformly and reciprocatingly rotate up and down. The reciprocating driving assembly drives the spray head of the cold spraying assembly to reciprocatingly move left and right, so that cold air is uniformly sprayed in all directions. The clamping assembly is adapted to disc foods of different sizes and stably clamps the disc foods. The discharging driving assembly drives the fixed plate to overturn through an electric telescopic rod, so that automatic disc unloading is realized. The device is compact in structure and stable in operation. The problems of uneven cold and heat exchange, poor adaptability and the like of traditional quick freezers are solved. The uniformity of quick freezing and the production efficiency are improved. The device reduces equipment and labor costs and meets the large-scale production demand of the prepared food industry.

The application provides a kind of quick freezing device based on konjak product, including tunnel freezer body, also including ice bridge generation seat and electric field guide rail;The application realizes the controllable adhesion between the adjacent konjak tofu sides and corners during quick freezing by the multifunctional integrated design of ice bridge generation seat and electric field guide rail, forms the overall structure similar to "stamp unit", which is convenient for batch forming and automatic handling, and also makes consumers easily break apart;At the same time, the arc-shaped demolding rod on the electric field guide rail mechanically triggers the outward movement of the side baffle and links the piston exhaust jet, realizes the double soft demolding of mechanical drawing and airflow injection, effectively avoids product damage;At the same time, the electric field guide rail is reused as parallel electrodes to apply alternating electric field, promote the formation of small ice crystals, combined with the segmented temperature zone design of the pre-cooling zone and quick-freezing zone of the tunnel freezer body, significantly reduces the juice loss rate after thawing and maintains the Q elastic taste.

The application discloses a kind of protein enzymolysis big health food intelligent quick freezing system, belong to food freezing technical field, specifically include: supercooling acquisition module is extracted by pre-freezing test quantitative protein enzymolysis liquid supercooling tendency characterization parameter, parameter search module obtains cold wall surface vibration frequency value and amplitude value from the corresponding table of prestorage according to the parameter, perfusion precooling module is perfused to enzyme solution between movable cold wall surface and starts liquid nitrogen supply and temperature acquisition, heat release identification module identifies crystallization heat release time by comparing the trend reversal of temperature acquisition value statistical result, force field exertion module drives two movable cold wall surface relative reciprocating vibration and applies extrusion-stretching deformation from crystallization heat release time, termination storage module stops vibration and liquid nitrogen supply when temperature reaches supercooling termination storage temperature and stores whole process data according to time stamp alignment.The application can inhibit the damage of ice crystal growth to high molecular weight polypeptide in protein enzymolysis liquid quick freezing process.

This invention discloses a drying-type quick-freezing machine for quick-freezing fish products, including a quick-freezing chamber, a feeding conveying mechanism, and a discharging conveying mechanism. The upper part of one side of the quick-freezing chamber is connected to an inlet that connects to the feeding conveying mechanism, and the lower part of the other side is connected to an outlet that connects to the discharging conveying mechanism, thus creating a height difference between the feeding and discharging conveying mechanisms. A quick-freezing device and a vertical loop conveying device are respectively arranged on the front and rear sides of the quick-freezing chamber. The vertical loop conveying device includes a vertically arranged fixed base plate and a guide limiting component. An elongated slot is formed in the middle of the fixed base plate, and the guide limiting component is suspended inside the slot by a bracket. The two components are spaced apart to form a conveying channel. This invention achieves a synergistic structure of material rotation and gravity flipping through a clamping component following the loop conveying, realizing all-round uniform quick-freezing of materials, avoiding frozen material sticking and jamming, and enabling continuous automated production.

This application relates to the technical field of freeze-drying double-petal roses, and in particular to a freeze-drying production system and process for freeze-dried double-petal roses. The system includes a frame, a feeding mechanism, a freeze dryer, and a packaging chamber. The feeding mechanism, freeze dryer, and packaging chamber are all mounted on the frame. A tunnel-type quick-freezing machine is installed on the frame at the feed end of the freeze dryer. The feeding mechanism conveys the double-petal roses to the tunnel-type quick-freezing machine for quick freezing, then they enter the freeze dryer for vacuum drying, and finally the freeze-dried double-petal roses are conveyed to the packaging chamber for packaging. This application has the effect of reducing the loss of nutrients in roses and improving the quality of freeze-dried roses.

The application discloses an IQF quick-frozen fresh-keeping Chinese prickly ash processing method, comprising the following steps: (1) selecting fresh red Chinese prickly ash particles with good color and luster, no rot and no mildew, and precooling the fresh red Chinese prickly ash particles in a freezer at 0-10 DEG C for 12 hours; (2) vacuumizing the precooled Chinese prickly ash in an aluminum-plastic composite bag (Al / PET / PE) or a PA / PE bag or a PET / PE bag; (3) placing the packaged Chinese prickly ash in a single layer on a carrier rack and feeding the Chinese prickly ash into a quick freezer, and adopting a liquid nitrogen cabinet type quick freezer to carry out single body quick freezing, wherein the quick freezing temperature is-80 DEG C to-120 DEG C, the quick freezing time is 10-25 min, and the holding time is 2-5 min; and (4) storing the quick-frozen Chinese prickly ash in a freezer at-10 DEG C to-20 DEG C. The application processes fresh-keeping Chinese prickly ash with dispersed particles and no quality loss, can better keep the fresh red color and flavor quality of fresh Chinese prickly ash, prolongs the shelf life of the fresh-keeping Chinese prickly ash product, and effectively solves the problems of browning, volatile oil and aroma component loss of fresh red Chinese prickly ash during storage.