338 results about "Quick freezing" patented technology

The invention discloses a liquid nitrogen freezing and nitrogen-filled packaging system and a use method, relates to the technical field of quick freezing of foods, and aims to solve the problems that the existing liquid nitrogen freezing equipment cannot fully utilize the cooling capacity after liquid nitrogen vaporization and cannot recycle nitrogen. Comprising a belt conveyor and a quick-freezing box, the belt conveyor penetrates through the quick-freezing box, a spraying device is arranged on the upper portion of an inner cavity of the quick-freezing box, the spraying device is connected with a liquid nitrogen storage tank through a pipeline, the belt conveyor penetrates through the pre-cooling box, a pre-cooling air nozzle is arranged in the pre-cooling box, and the pre-cooling air nozzle is connected with the pre-cooling nitrogen storage tank through a pipeline. The pre-cooling air nozzle is connected with a pre-cooling nitrogen storage tank through a pipeline; the lower part of the inner cavity of the quick-freezing box is provided with a balancing air tap, and the precooling nitrogen storage tank is also connected with the quick-freezing box through a pipeline. According to the quick-freezing device, food quick-freezing is achieved, and meanwhile cold energy utilization after liquid nitrogen vaporization can be achieved.

The invention discloses a quick-freezing cabinet monitoring and adjusting system for food quick-freezing, which belongs to the technical field of quick-freezing cabinet adjustment and comprises an information acquisition module, an information analysis module and a quick-freezing mode adjusting module. Wherein the information acquisition module is used for acquiring related data of food placed in a quick-freezing cabinet and operation data of the quick-freezing cabinet to obtain an influence parameter data set; the information analysis module is used for calculating a comprehensive state value in the quick-freezing cabinet according to the influence parameter data set; and the quick-freezing mode adjusting module is used for selecting a quick-freezing mode according to the comprehensive state value and dynamically adjusting working parameters of the quick-freezing cabinet. Through intelligent information acquisition, analysis and adjustment functions, real-time monitoring and dynamic adjustment of the state of food in the quick-freezing cabinet are realized, and the safety and quality of the food are effectively guaranteed.

The invention discloses a rapid freezing device for abalone production and processing, and relates to the technical field of freezing, the rapid freezing device comprises an outer frame, a conveying assembly, a cooling assembly and a pre-cooling assembly, and rapid freezing of abalones is completed through cooperation of the conveying assembly, the cooling assembly and the pre-cooling assembly. Liquid nitrogen is sprayed to abalones conveyed on the conveying assembly through the annular cooling pipe and the nozzles so that the abalones can be quickly frozen through the liquid nitrogen, and the liquid nitrogen is stirred and disturbed through the cold air circulation mechanism so that it can be ensured that the liquid nitrogen makes full contact with the abalones in multiple directions and freezes the abalones; the tail end of the annular cooling pipe is communicated with the pre-cooling pipe through the arranged connecting pipe, so that residual liquid nitrogen in the annular cooling pipe is conveyed to the pre-cooling area, the pre-cooling pipe sprays the residual liquid nitrogen conveyed into the pre-cooling pipe from the air spraying groove to the abalones just entering the outer frame, and therefore the residual liquid nitrogen is used for pre-freezing the abalones; the freezing speed of the abalones is accelerated.

The invention discloses a winter jujube fruit fresh-keeping processing device, and belongs to the technical field of fruit fresh-keeping processing. The device is composed of a freeze-drying structure and a cold trap structure, the freeze-drying structure integrates quick freezing and freeze-drying functions, and the cold trap structure is connected with a vacuum system; during working, pretreated winter jujubes are placed on a specific storage plate frame and are quickly frozen in a quick-freezing bin of a freeze-drying structure, meanwhile, the internal special structure drives a liquid material to circulate to assist ice crystallization, ice crystals push the storage plate frame to enter the freeze-drying bin, automatic connection from quick freezing to freeze-drying is achieved, and after the winter jujubes enter the freeze-drying bin, related parts are matched to start vacuum and other systems, and the winter jujubes are quickly frozen. Performing freeze-drying and fresh-keeping processing on the winter jujubes; the device avoids loss of transfer cold energy, guarantees freeze-drying quality of winter jujubes, optimizes early-stage preparation of freeze-drying, improves fresh-keeping processing efficiency, and can also automatically clean ice crystals and adherends, prolong the service life of equipment and reduce maintenance cost.

The invention discloses a fresh-keeping control method and system for food quick-freezing equipment. The method comprises the following steps: defining quick-freezing information according to eating information, conveying information and fresh-keeping information; defining a corresponding quick-freezing mode according to the position of the food, the quick-freezing information and the corresponding quick-freezing space; constructing an early-stage temperature control system according to the plurality of temperature parameters and the food model; triggering the food to carry out fresh-locking control in the later-stage quick-freezing working area; after the food is output from the early-stage quick-freezing working area and the later-stage quick-freezing working area, remote conveying of the food is controlled based on preservation logic, and the frozen form and the complete form of the food are maintained in the remote conveying process, so that step-by-step control of the food in the early-stage quick-freezing working area and the later-stage quick-freezing working area is realized; the early-stage temperature control system corresponding to the food and the fresh-keeping control of the later-stage quick freezing are ensured, the fresh-keeping control of the food quick-freezing equipment on the food is ensured, the fresh-keeping control effect of the food in each stage is improved, and the quick-freezing control of various foods is compatible.

The invention discloses a food freezing system based on electrode coupling and a multi-stage electric field and a freezing method thereof. The system comprises an electric field generating device (1), a refrigeration house (2), a space plate type discharge electrode (3), a metal frame discharge electrode (4) and the like. According to the freezing method, a discharge electrode is used for being coupled with an electric field, a special'superposed electric field effect 'is generated, the freezing efficiency is remarkably improved, heat conduction inside and on the surface of food can be accelerated, uniform and rapid crystallization of water is promoted, large ice crystals are effectively prevented from being formed, and therefore damage to cell structures is reduced. Compared with a traditional freezing method, the freezing time can be shortened by 15%-30%, and the juice loss rate is reduced by 3%-6%. Due to the synergistic effect of the double electric fields in different stages, the food can be quickly frozen under lower voltage, and the comprehensive energy consumption can be reduced by 15-30% while the safety is ensured. The method is suitable for large-scale food freezing application, and remarkable technical progress and economic benefits can be brought to the food freezing industry.

To provide a liquid-cooled quick freezing device capable of reliably notifying a user of a freezing completion time without damaging food.SOLUTION: A liquid-cooled quick freezing device in which food A is immersed in cooling antifreeze liquid 2 in a liquid tank 1 and the food A is frozen, comprises a weighing scale 3 that measures the weight of the food in the immersed state. The weight of the food measured by the weighing scale 3 gradually decreases due to increase in volume caused by freezing of the food A, and has a freezing completion detection function that detects completion of freezing when change in decrease becomes zero.SELECTED DRAWING: Figure 1

The invention discloses an efficient and multifunctional CO2 transcritical all-season injection cold and heat coupling system, and relates to the technical field of industrial refrigeration and commercial air conditioners, in particular to the efficient and multifunctional CO2 transcritical all-season injection cold and heat coupling system. The CO2 refrigerating system provides a wide temperature band gradient energy solution of-45 DEG C to + 95 DEG C, and the functions of cold for production, hot water production, domestic hot water and high-temperature hot water are met; the cold storage for production comprises quick freezing, freezing, cold storage and processing; the produced hot water comprises terrace anti-freezing and defrosting hot water; the domestic hot water comprises air conditioning and heating; the high-temperature hot water comprises CIP cleaning and cooking sterilization. According to the technical scheme, the problems that in the prior art, a traditional logistics park is provided with a refrigerating system, an air conditioning system, municipal administration or a boiler and the like according to the cold and hot requirements of the production technology, the energy utilization rate is low, the initial investment is large, and popularization of the green low-carbon technology in the refrigerating and air conditioning industry is not met are solved.

The utility model discloses a quick-frozen vegetable pretreatment device before quick-freezing, which comprises a base, fixing rods are arranged at four corners of the top of the base, transmission rollers are arranged at the tops of the close ends of two groups of fixing rods on the same side, a servo motor is arranged at the top of one end of the front surface of one group of fixing rods, and the servo motor is connected with the transmission rollers. The output end of the servo motor is provided with a first belt pulley connected with the set of conveying rollers, and the side, close to the first belt pulley, of the top of the base is provided with a protection bin; through mutual cooperation of a servo motor and a transmission roller, transmission operation of the aluminum alloy transmission mesh belt can be achieved, and through linkage cooperation of a first belt pulley, a belt, a second belt pulley, a rotating rod, an incomplete gear, a tooth block, a spring, a U-shaped connecting rod and an impact plate, vibration work of the aluminum alloy transmission mesh belt can be achieved; the situation that later vegetable residues fall off to block through holes in the aluminum alloy conveying net belt is prevented, and the later draining efficiency is improved.

The invention discloses freezing equipment for a processing technology of soft boiled abalones and a use method of the freezing equipment, and belongs to the technical field of freezing processing of abalones. Comprising a gasification type liquid nitrogen refrigerator, an electric valve sleeve, an electric adsorption module, a first electric telescopic rod and a semi-fan-shaped storage tank, the gasification type liquid nitrogen refrigerator is combined with a non-direct-contact freezing mode, and a traditional liquid nitrogen quick freezing method is adopted, so that the surfaces of abalones are quickly frozen, the internal temperature is slowly reduced, and the internal and external temperature difference is too large; the cell structure is destroyed. Compared with the prior art, the abalones are indirectly cooled by low-temperature gas, so that the problem that the surfaces of the abalones are frozen too quickly is avoided, and the temperature change of the whole abalones in the freezing process is more consistent. In addition, by injecting an antifreeze agent or a protective agent into the abalone, the formation of large ice crystals can be effectively reduced, and the fine structure in the abalone can be maintained. Therefore, the elasticity and the taste after unfreezing are enhanced, and the risk of texture damage caused by non-uniform freezing is greatly reduced.

The present invention is directed to a method for combining dehydrofreezing and medium to far spectrum infrared radiation to preserve biological material. IR transfers energy and penetrates food products, thereby removing naturally present moisture. The present invention provides a novel method of combining pH treatment, infrared radiation, freezing, and vacuum-sealing for preserving biological material. Biological materials are preserved through either a pH treatment or with heat to remove harmful pathogens, followed by processing using far spectrum infrared radiation which may be powered by either gas or electric means. The processed materials undergo a freezing process which may be done using Individual Quick Freezing or blast freezing methods The frozen processed material is then packaged via vacuum sealing.

The utility model relates to an ice-making structure of a vehicle-mounted refrigerator, the vehicle-mounted refrigerator comprises a refrigeration box body and an ice-making box body, an ice-making mechanism is arranged in the ice-making box body, the ice-making mechanism comprises an ice-making cavity, an ice storage cavity and a water storage tank, the ice-making cavity and the ice storage cavity are located above the water storage tank, an ice-making device is arranged in the ice-making cavity, the ice-making device comprises an ice-making water tank and an ice-making mold, and the ice-making mold is located above the ice-making water tank. A refrigerating pipe and a heating pipe are connected in the ice making mold; the refrigerating box body is additionally arranged, the outdoor ice using requirement of people can be met, the refrigerating pipe is arranged on the ice making mold for quick freezing, the heating pipe is used for separating ice blocks from the ice making mold, ice making and ice block collecting are automatically completed, the rotating motor drives the ice making water tank to turn over, the ice blocks are conveyed to the connecting pressing plate and the ice block pushing plate and then pushed into the ice storage cavity, and the ice making effect is achieved. Ice blocks can be automatically manufactured and collected, the water leakage holes, the water outlet pipe, the water pump and the water supply pipe circularly supply water, water in all the processes is collected, cyclic utilization of the water is achieved, waste of the water is reduced, and the water using efficiency is improved.

The utility model discloses an ultralow-temperature freezing cross cascade heat pump system which comprises an air type two-stage cascade heat pump which comprises a low-temperature stage part and a high-temperature stage part. The low-temperature-stage part comprises a low-temperature-stage compressor, a four-way reversing valve, a low-temperature-stage condenser, a low-temperature-stage throttling device, a low-temperature-stage evaporator, a gas-liquid separator and a low-temperature freezing heat exchanger, and the high-temperature-stage part comprises a high-temperature-stage compressor, a high-temperature-stage condenser, a high-temperature-stage throttling device, a heat supply medium outlet pipe, a heat supply medium inlet pipe and a heat supply circulating pump. A cooling tower is arranged on one side of the high-temperature-stage condenser, the low-temperature freezing heat exchanger can achieve the functions of refrigeration and quick freezing, the problems that a traditional cross cascade type heat pump system is poor in refrigeration effect and low in efficiency in summer and poor in heating effect and low in efficiency in winter are solved, and the cross cascade type heat pump system has the advantage of quick freezing.

The invention provides a preparation method and application of a brain tissue rapid frozen section. The preparation method comprises the following steps: (1) embedding a pretreated frozen tissue sample into a pre-cooled OCT (Optical Coherence Tomography) for freeze drying; (2) transferring the freeze-dried tissue sample in the step (1) into an embedding box containing a pre-cooled OCT (Optical Coherence Tomography), and completely immersing the tissue sample into the OCT; (3) putting the embedding box in the step (2) into an embedding container containing precooled refrigerating fluid and dry ice; and immersing the embedding box into a refrigerating fluid, performing quick freezing, and slicing after quick freezing to obtain the brain tissue quick freezing section. The preparation method is short in time consumption, generation of ice crystals is remarkably reduced, the phenomenon of slice falling caused by bubbles in the embedding blocks in slices is effectively prevented, tissue frost cracking is avoided, and the slice quality is improved.

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 utility model relates to a liquid nitrogen quick-freezing device which comprises a cabinet body, a storage assembly, a jacking assembly, a liquid nitrogen assembly and an exhaust assembly. The cabinet body is provided with a containing groove which is used for containing the storage assembly. The storage assembly comprises a storage rack and a tray; the storage rack is vertically provided with a storage plate, the tray is arranged on the storage plate, and a plurality of first air holes are formed in the tray; the jacking assembly is fixedly connected with the cabinet body, and the jacking assembly is used for penetrating through the first air hole to jack food; the liquid nitrogen assembly is externally connected with liquid nitrogen supply equipment and used for spraying liquid nitrogen into the containing groove. The exhaust assembly is used for exhausting gas in the containing groove. According to the food tray, the liquid nitrogen assembly sprays liquid nitrogen into the containing groove, and the liquid nitrogen is gasified to absorb heat so as to quickly freeze food on the tray; the jacking assembly penetrates through the first air holes of the tray and then jacks the food, so that the lower surface of the food is separated from the tray, or the food is jacked and moved, and therefore the freezing speed of the lower surface of the food is increased, and the food freezing uniformity is improved.

The invention relates to the technical field of food processing and storage and transportation preservation, in particular to a three-section variable-temperature liquid nitrogen quick-freezing preservation method for beef and application, and the method comprises the following steps: S1, performing pretreatment such as trimming, fascia removal and pre-cooling on beef; s2, performing three-stage variable-temperature liquid nitrogen quick freezing to enable the central temperature of the meat to reach-18 DEG C; and S3, after the sample is frozen and stored for 28 days, performing quality detection and analysis. The three-stage variable-temperature liquid nitrogen quick freezing provided by the invention can effectively reduce the freezing time and cooking loss of the beef, delay the spoilage of proteins and lipids, maintain a better muscle tissue form, and maintain the fresh appearance characteristic of the beef.

The invention relates to the technical field of food spiral instant freezer feeding, in particular to a feeding conveying structure of a food processing spiral instant freezer, which comprises a conveying frame, the upper side of the conveying frame is fixedly provided with a lifting frame, the upper side of the lifting frame is fixedly provided with a discharging box, and one side of the discharging box is provided with a blanking channel; a material distribution assembly is rotationally installed in the material falling channel, and a guide box is fixedly installed on the upper side of the material discharging box. According to the feeding device, a material distribution motor drives a driving shaft to rotate, the driving shaft drives a rotating rod to rotate, the rotating rod drives a driving rod to rotate, the driving rod drives a reciprocating driving strip to move up and down in a reciprocating mode, and a material distribution groove which is not filled is close to a feeding port and is matched with a discharging soft cushion for filling; and the to-be-frozen food falls onto the conveying belt to be uniformly distributed, so that the sticking condition caused by stacking during quick freezing is prevented.

The present invention discloses a composite method for high-quality quick freezing and high-recovery thawing of oily fresh fish, which belongs to the technical field of food freezing and processing. The present invention uses oily fresh fish as the main raw material, and undergoes raw material preparation, physical field assisted freezing and high-recovery thawing processes. In this method, rosemary extract and gallic acid are added in the raw material preparation stage and assisted by the effect of electrostatic field, so as to delay the fat oxidation of oily fresh fish. At the same time, ultrasonic and magnetic field combined immersion freezing, microwave combined with nano zinc oxide and graphene particles thawing can minimize the quality loss of fresh samples after freezing and thawing, thereby achieving high-quality freezing and high-recovery thawing. After using the above-mentioned treatment, the quality of subsequent fresh fish is significantly improved, such as reducing thawing loss, retaining nutrients, improving sensory quality, delaying fat oxidation, high recovery, etc., and extending the sales period to achieve the purpose of increasing revenue.

The present invention discloses a highly efficient cooling method and device for multi-pass internal micropores of frozen sand mold, which comprises a frozen sand mold molding chamber, an electric lifting platform, a Teflon porous liner, a removable porous aluminum plate, a cooling device box for frozen sand mold, a sealed cover plate, an ultrasonic piezoelectric sheet, a U-shaped condenser tube, an ultrasonic generator and a low-temperature cooling system. The Teflon liner and the removable porous aluminum plate are provided with through-hole structures of the same size and shape, which are used for rapid cooling from the surface to the core of the molding sand. The lifting platform is started, and the bumpy-type Teflon liner rises to the highest point, making it easy to demold. The high and low frequency double modes of the ultrasonic piezoelectric sheet can not only vibrate the frozen sand mold to solidify it densely, but also assist in cutting molding. The adoption of this device can realize rapid freezing of the frozen sand mold, and facilitate demolding and low-cost digital molding.

The quick-freezing warehouse comprises a warehouse body, a goods shelf trolley, a heat exchanger and an axial flow fan are arranged in the warehouse body, the axial flow fan sucks low-temperature airflow of the heat exchanger and forcibly conveys the low-temperature airflow to an air inducing device, and the high-pressure low-temperature airflow vertically enters an air guiding device after the airflow direction is changed through the air inducing device. Horizontal airflow guided layer by layer through the air guiding device enters the air guiding grating, the air guiding grating is arranged in a modularized mode, and low-temperature airflow blown out of the air guiding grating is evenly blown to each layer of frozen products on the goods shelf trolley. According to the utility model, the air duct system of the quick-freezing storage is optimized, so that frozen products in the storage are uniformly blown, the freezing time is shortened, and the energy consumption is reduced; products of different specifications can be frozen at the same time and can be independently adjusted in different areas. According to the utility model, small-batch quick freezing can be realized, when small-batch goods are warehoused, the grating plates in other areas are closed, centralized blowing heat exchange is carried out on the goods placing area, the local air volume is improved, and the freezing time is shortened.

The invention relates to the technical field of building material detection, and discloses a waterproof roll rapid detection method and device, and the method comprises the following steps: S1, cutting a waterproof roll into a standard test piece, and fixing the standard test piece to a feeding module; s2, starting a feeding module, and conveying the test piece to a freezing module; s3, reducing the temperature in the freezing module to a target temperature through a semiconductor refrigeration technology, and keeping the temperature stable; s4, after freezing is completed, the test piece is conveyed to a bending test module; s5, performing a bending test on the test piece in the bending test module, and detecting whether cracks appear on the surface or not; and S6, recording detection data and generating a report. Through the rapid freezing module based on semiconductor refrigeration, the environment temperature can be reduced to-25 DEG C to-40 DEG C in a short time, low-temperature stability is kept through the precise temperature control system, the problem that in the prior art, refrigeration and cooling of a compressor are slow is solved, the detection time is greatly shortened, the efficiency is improved, and the rapid sampling inspection requirement of a construction site is met.

The invention belongs to but is not limited to the technical field of agricultural product storage, and discloses a mutton quality improving and gradient processing storage method which comprises the steps of cold storage, ice temperature and freezing storage. A modified atmosphere fresh-keeping packaging method; applying a natural biological fresh-keeping technology; and carrying out full-chain storage management. Through comprehensive application of cold storage, ice temperature and freezing in combination with a modified atmosphere fresh-keeping packaging technology, the storage time of the mutton is remarkably prolonged, and meanwhile the excellent quality of the mutton is kept. The cold storage and ice temperature technology effectively inhibits the growth and enzymatic reaction of microorganisms, delays the oxidation process of the mutton, and maintains the color, texture and flavor of the mutton; the quick freezing and ultrasonic unfreezing technology is adopted, so that the damage to the cell structure of the mutton in the freezing and unfreezing process is reduced to the maximum extent. By optimizing the unfreezing process, juice loss is reduced, the unfrozen mutton still keeps good texture and taste, and the problem of quality loss in a traditional method is solved.

The application provides a kind of fish ball production freezing equipment, belongs to fish ball processing equipment technical field, it solves the technical problems such as low degree of automation of existing fish ball freezing equipment, insufficient distribution accuracy, poor freezing effect etc. Including feeding mechanism, distribution mechanism, mobile conveyor, preliminary conveyor, transfer conveyor, quick freezing assembly, tunnel freezer, cold air generator and several tray assemblies, the push plate assembly is arranged on the end of the preliminary conveyor close to the mobile conveyor, the quick freezing assembly is located above the mobile conveyor, and the quick freezing assembly is located between the preliminary conveyor and the tunnel freezer, the quick freezing assembly is communicated with the cold air generator, and several tray assemblies are placed on the preliminary conveyor. The application can realize the full-automatic circulation of fish balls, accurate distribution and efficient and uniform freezing, and the processes are closely connected, which can meet the quality and capacity requirements of large-scale production of fish balls and similar pellet products.

The utility model is applicable to the technical field of quick freezing of fish ball products, and provides quick freezing equipment for fish ball products, which comprises a main box body, a movable support, a storage tank, a driving chamber, a first driving structure, a second driving structure, a freezing chamber and a water storage chamber are arranged in the main box body, the movable support is arranged in the main box body, the storage tank is arranged in the main box body, and the first driving structure is arranged in the main box body. The driving chamber is arranged at the side end of the main box body, the first driving structure is arranged in the driving chamber, the second driving structure is arranged in the movable support, and the freezing chamber and the water storage chamber are symmetrically arranged in the main box body. The fish ball quick-freezing device solves the technical problem that the fish ball quick-freezing device cannot completely filter water, the water filtering device is not directly communicated with the freezing chamber, so that water cannot flow into the freezing chamber due to blockage of the filtering holes to freeze the conveying belt during filtering, in addition, the fish ball quick-freezing device is further provided with a fan, and the cooling effect is good. The fish balls can be primarily cooled, and evaporation of water can be accelerated, so that the refrigeration efficiency is improved.

The utility model relates to a layered distribution vacuum freeze dryer, the working principle of the freeze dryer is mainly based on three steps of pre-freezing, sublimation and analysis, a pre-freezing bin receives cold air of a refrigerating main machine of a refrigerating machine through a bin main body to quickly freeze a to-be-dried substance at low temperature to form solid ice crystals, and a layered drying pipe can depend on a vacuum device, so that the drying efficiency is improved. A vacuum environment is formed in an inner cavity of the layered drying pipe, under the vacuum environment and the temperature monitoring of a temperature sensor, a heater enables a heating wire to conduct heating, ice crystals directly sublimate into water vapor instead of passing through a liquid state, the temperature in the layered drying pipe is further increased, and a small amount of water combined on the surface of a substance is removed; the layered drying pipe adopts a step-by-step vacuumizing mode, so that the defect that the traditional vacuum freeze drying equipment is relatively high in energy consumption is overcome.

The invention discloses an instant freezer with an automatic bamboo shoot length sorting function, and relates to the technical field of bamboo shoot sorting and quick freezing. The instant freezer comprises a conveying room, a feeding belt is arranged at the upper end in the conveying room, a quick freezing room is fixedly connected to one side of the conveying room, and a quick freezing belt is arranged at the bottom of the quick freezing room; the instant freezer with the automatic bamboo shoot length sorting function comprises an auxiliary quick-freezing mechanism and a material processing mechanism, the auxiliary quick-freezing mechanism is arranged in the material processing mechanism, through arrangement of protruding blocks, when bamboo shoots are put in a material collecting groove body in a swinging mode, the two protruding blocks abut against each other to generate fluctuation, then an auxiliary box is driven to vibrate, and the bamboo shoots are put in the auxiliary box. The auxiliary box is prevented from being blocked when the bamboo shoots are conveyed, it can be further guaranteed that the bamboo shoots are evenly distributed on the quick-freezing belt under the vibration effect, the even quick-freezing process can be achieved, blocking is avoided, the downtime in the production process can be shortened, normal operation of a production line is guaranteed, and the production efficiency and the yield are improved.

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 discloses a food sectional type liquid nitrogen quick-freezing tunnel structure which comprises a first liquid nitrogen quick-freezing tunnel and a second liquid nitrogen quick-freezing tunnel, and a feeding port and a discharging port are formed in the two ends of the first liquid nitrogen quick-freezing tunnel and the two ends of the second liquid nitrogen quick-freezing tunnel respectively. And a conveying assembly is arranged between the discharge port of the first liquid nitrogen quick-freezing tunnel and the feed port of the second liquid nitrogen quick-freezing tunnel. According to the Fotiaoqiang soup quick-freezing device, a container containing Fotiaoqiang soup is put in from the feeding port of the first liquid nitrogen quick-freezing tunnel, quick-freezing is conducted through the first liquid nitrogen quick-freezing tunnel, the quick-frozen Fotiaoqiang is discharged from the discharging port of the first liquid nitrogen quick-freezing tunnel, and then the Fotiaoqiang is conveyed to the direction of the second quick-freezing tunnel through the conveying assembly; a feeding assembly arranged above the conveying assembly is used for adding dry substances of Fotiaoqiang into the container, the Fotiaoqiang after the dry substances are added enters the second quick-freezing tunnel for quick-freezing, and after quick-freezing is completed, separation and quick-freezing of soup and solid substances of the Fotiaoqiang are achieved.