70results about How to "Freeze evenly" patented technology

The invention provides a dual-layer four-air-way air cooling type refrigerating cabinet. The dual-layer four-air-way air cooling type refrigerating cabinet comprises a cabinet body, a refrigeration system and a forced air circulating cooling system; the forced air circulating cooling system comprises air supply openings, an air returning opening, air ways connected with the air supply opening and the air returning opening and fans arranged in the air ways; the air supply openings comprise first-layer air supply openings and second-layer air supply openings, the first-layer air supply openings are formed in the upper ends of the front side wall and the rear side wall, the second-layer air supply openings are formed in the middle ends of the front side wall and the rear side wall, the air returning opening is formed in the lower end of the right side wall, a basket is arranged above a cold chamber in a suspended manner, a basket body of the basket is located below the first-layer air supply openings, the lower end of the basket body is provided with a space supporting frame, the space supporting frame and the second-layer air supply openings are located on the same horizontal position, a containing space supporting frame is placed on the bottom wall, and the containing space supporting frame and the air returning opening are located on the same horizontal position. The dual-layer four-air-way air cooling type refrigerating cabinet has the beneficial effects that the whole uniform refrigerating effect of the cold chamber is achieved, and the uniform refrigerating effect is not affected by the user habits.

A flexible multi-tubular cryoprobe, including a housing for receiving an inlet flow of near critical cryogenic fluid from a fluid source and for discharging an outlet flow of the cryogenic fluid. A plurality of fluid transfer tubes are securely attached to the housing. This includes a set of inlet fluid transfer tubes for receiving the inlet flow from the housing; and, a set of outlet fluid transfer tubes for discharging the outlet flow to the housing. Each of the fluid transfer tubes is formed of material that maintains flexibility in a full range of temperatures from −200° C. to ambient temperature. Each fluid transfer tube has an inside diameter in a range of between about 0.10 mm and 1.0 mm and a wall thickness in a range of between about 0.01 mm and 0.30 mm. An end cap is positioned at the ends of the plurality of fluid transfer tubes to provide fluid transfer from the inlet fluid transfer tubes to the outlet fluid transfer tubes.

The invention provides a freezing and unfreezing integrated cabinet which comprises an incubator body and closed containers. The incubator body comprises a freezing chamber and an unfreezing chamber,and box-type frameworks are fixed in the freezing chamber and the unfreezing chamber correspondingly. Sealing plates are fixed on the upper and lower portions and the front and rear portions of each framework. An air exhaust channel plate is fixed to the left side of each framework, and an air return channel plate is fixed to the right side of the framework. The closed containers are in a flat shape and can be erected in the frameworks of the freezing chamber and the unfreezing chamber in a layered mode. Heat conduction fins are welded or riveted on the upper surface and the lower surface of each closed container in rows. One end of a channel formed by a gap between every two adjacent rows of heat conduction fins is aligned at a corresponding air exhaust hole of the corresponding air exhaust channel plate, and the other end of each channel is aligned at a corresponding air return hole of the corresponding air return channel plate; the air exhaust channel plates are provided with the air exhaust holes; the bottom of the framework in the freezing chamber is provided with a cold air generating device; and the bottom of the framework in the unfreezing chamber is provided with a cold and hot airflow generating device. According to the freezing and unfreezing integrated cabinet, the freezing speed and the unfreezing speed are high, breeding of microorganisms can be effectively restrained, the quality of food is better ensured, and moreover, resources can be greatly saved. The invention further provides a method for freezing and unfreezing meat by adopting the integrated cabinet.

The invention discloses a fan blade anti-icing and deicing system based on air heating. The system comprises a controller, heaters, vent pipes, ice detectors, a temperature and humidity sensor, electric turbochargers and a plurality of blade internal temperature sensors; the temperature and humidity sensor is connected to a fan hub; the ice detectors are connected to fan blades; each vent pipe is arranged on the inner sides of two blade internal supporting framework baffles; the heaters are arranged at the front ends of the vent pipes; the electric turbochargers are arranged at air inlets at the front ends of the heaters; the multiple blade internal temperature sensors are uniformly arranged on the fan blades; and the controller is electrically connected to the temperature and humidity sensor, the ice detectors, the heaters, the electric turbochargers and the blade internal temperature sensors. According to the fan blade anti-icing and deicing system, closed-loop linear control is carried out on the power of the heaters and the turbine rotating speed of the electric turbochargers, and therefore the energy consumption of the system can be reduced, the use cost can be lower, heating can be more uniform, anti-icing and deicing can be effectively realized, and the service life and the performance of the fan blades can be improved.

The invention discloses an MOF (metal-organic frameworks) porous foam material and a preparation method. The preparation method comprises the following steps: adding CMC (carboxyl methyl cellulose) and H2O into a vessel; mechanically stirring to obtain a CMC gel; dissolving trimesic acid into absolute ethyl alcohol; ultrasonically dissolving to obtain a solvent A; dissolving Cu(OAc2) into H2O; then adding glacial acetic acid; ultrasonically to fully dissolve, thereby obtaining a solution B; dropwise adding the solution A to the CMC gel; mechanically stirring; slowly dropwise adding the solution B to the previous solution; continuously stirring until an organic solvent is volatilized; pouring the mixed solution into a Teflon die in which a bevel metal sheet is inserted; sealing; feeding into a vessel in which liquid nitrogen is charged; quickly transferring into a freezing drying machine after rapid freezing; and then moving out to obtain the MOF porous foam material. According to the method, the properties of the pure CMC are improved through BTC; MOF crystals are uniformly dispersed in the mixed solution through the in-situ growth; the ice concentrating freezing method is carriedout, so that the adhesion adsorption capacity and the uniform dispersity of the MOF composite material on a net-shaped structure can be obviously improved, and meanwhile, heavy metal ions in organic wastewater can be removed.

The invention discloses a wood processing treatment integrated system. The system comprises wood sectional acquisition equipment, wood thermal insulation and moisturizing transportation equipment, wood collision preventing storage equipment, automatic temperature-adjusting wood soaking equipment, layered freezing equipment, wood standing and drying equipment, end part oiling sealing equipment andwood section slitting equipment. The invention also discloses the wood processing treatment integrated system and a treatment method thereof. The automation degree is high, wood cannot be damaged, thesystem and the method have broad market competitiveness, the wood quality can be effectively guaranteed, atmosphere pollution is avoided, the production cost is saved, and the production environmentis effectively improved.

The invention belongs to the technical field of vaccines, and particularly relates to a vaccine freezing storage detection device and a using method. The vaccine freezing storage detection device comprises a freezing box, wherein an electric control box is mounted on one side of the freezing box; a heat dissipation hole is formed in one side of the electric control box; a motor is mounted inside the electric control box; a rotating rod is arranged at the output end of the motor; the surface of the rotating rod is connected with a vaccine mounting cylinder through threads; and a long circular hole is formed in one side of the vaccine mounting cylinder in a penetrating mode. A cold air pipe penetrates through the interior of a cold air conveying groove, an air outlet hole is attached to an opening between cold air dredging holes, the cold air dredging holes are matched with cold air outlet holes to uniformly discharge cold air to the surface of a vaccine bottle, and the vaccine mountingcylinder is driven to rotate through a transmission rod, so that on one hand, the cold air can be in uniform contact with the vaccine bottle, and on the other hand, the vaccine bottle can be conveniently taken from a box door. The device is simple in structure and flexible to use, the vaccine bottle can be effectively and uniformly frozen, and the vaccine inactivation speed is reduced.

The invention relates to the field of plastic processing, and discloses a plastic crusher. The plastic crusher comprises a freezing grinding room and a crushing room, wherein a first rotary shaft anda second rotary shaft are rotatably connected onto the freezing grinding room; a cam which is positioned in a movable cavity is fixedly arranged on the first rotary shaft; a rotary disc is fixedly arranged on the second rotary shaft; a second slide plate is in sliding connection into a material cavity; a plurality of grinding groups are fixedly arranged on the second slide plate; a material transmission hole is formed in the top of the crushing room; the material transmission hole is communicated with a discharge hole; two third rotary shafts which are arranged in parallel are rotatably connected into the crushing room, a crushing roller and a gear are fixedly arranged on each third rotary shaft, the two gears are engaged, the two crushing rollers are matched, and the material transmissionhole is positioned above the two crushing rollers. The plastic crusher can crush plastic need to be crushed after pre-processing the plastic, so that the plastic is crushed easier in a crushing process, and therefore, the plastic crushing efficiency is greatly improved, and the plastic crushing effect is strengthened.

The invention discloses a bombay duck liquid nitrogen ultralow temperature quick-freezing device and a quick-freezing fresh-keeping method thereof. The device includes a liquid nitrogen quick-freezer,two parallel vibration rods installed on the liquid nitrogen quick-freezer and a plurality of product freezing frames for quick-freezing of products. Each product freezing frame includes a frame body, a placement plate disposed in the frame body, and a plurality of suspension units arranged on the placement plate. Both ends of all the vibration rods are equipped with vibration motors, all the vibration motors are electrically connected to a master controller of the liquid nitrogen quick-freezer. The placement plate is suspended on the two vibration rods through the suspension units. Accordingto the invention, cleaning, soaking, ultra-low temperature quick-freezing, ice plating, vacuum packaging, cryopreservation and other processes are adopted in order to avoid wrinkling and chapping ofthe fish skin, and at the same time the original condition, color and freshness of bombay duck can be maintained. The vibration rods drive the suspension units and the placement plate to vibrate, so that the bombay duck can be frozen more evenly, and the overall freezing quality of bombay duck can be ensured.

The invention discloses a continuous and quick freezing device for meat. The continuous and quick freezing device for the meat comprises a bedplate, a freezing chamber, air coolers, a motor, a driving wheel, a driven wheel and a conveying belt. The air coolers are arranged in the freezing chamber, the conveying belt is tensioned by the driving wheel and the driven wheel, the driving wheel and the driven wheel are rotationally connected to the bedplate, the driving wheel is driven by the motor, and the conveying belt penetrates through the freezing chamber. A circulation separation plate, a draught fan and a freezing plate are further arranged, the circulation separation plate is arranged in the freezing chamber and used for separating the conveying belt and the freezer, circulation openings are formed in the two sides and the middle of the circulation separation plate, the draught fan is connected in the circulation opening in the middle of the circulation separation plate, and the upper surface of the freezing plate is in contact with the lower surface of the conveying belt. The continuous and quick freezing device for the meat is high in freezing speed and good in freezing effect.

The invention discloses a liquid nitrogen freezing device with a freezing pipe provided with partition plates and a construction method. According to construction adopting a quick rescuing freezing method, soil masses of the freezing section are subjected to water shutoff and reinforcing for using. The freezing device is composed of a joint of the freezing pipe, a liquid supplying pipe and a gas exhausting pipe, the joint of the freezing pipe is composed of a two freezing pipe sections and annular partition plate through welding, deformable elastic supporting bases are arranged on the inner edge of the partition plate at intervals, and it is ensured that the liquid supplying pipe is located in the center of the freezing pipe. Liquid spraying holes are formed in the portions, within a section range needing freezing, of the liquid supplying pipe, sprayed liquid nitrogen is gasified, absorbs heat, and achieves refrigeration in space between every two partition plates, and therefore the freezing wall is formed outside the freezing pipe. Hole formation is not conducted on the portions, within a range not needing freezing, of the liquid supplying pipe, lower gasified nitrogen is exhausted along the liquid supplying pipe and an annular space between every two partition plates, therefore interval freezing of different positions within a freezing depth range is achieved, and the freezing wall required for construction is formed. The freezing pipe construction method is simple, the using amount of liquid nitrogen can be saved, the frost-heave amount is reduced, and the special construction requirement is met.

The invention discloses a two-way reinforced freezing device and a working method, and belongs to the technical field of underground engineering artificial freezing. The two-way reinforced freezing device includes a spiral coil tube and straight freezing tubes. The straight freezing tubes and the spiral coil tube are arranged in a perpendicular mode. The overlap of the freezing directions of the straight freezing tubes and the spiral coil tube forms a two-way freezing effect. During freezing construction, the two-way reinforced freezing device is directly inserted into a weak position of a weak stratum or a freezing wall, and a low-temperature refrigerant input through an inlet flows along the spiral coil tube and flows out along a coil tube outlet after through the straight freezing tubesand the spiral coil tube to complete a freezing cycle process. The straight freezing tubes of the two-way reinforced freezing device are inserted into the weak position of the weak stratum or the freezing wall, the device is directly fixed on the surface of the stratum without additional support, the two-way freezing overlap function of the spiral coil tube and the straight freezing tubes forms athree-dimensional freezing mode, the freezing effect can be strengthened, the freezing efficiency is improved, and the construction cost is saved.

The invention belongs to the technical field of rail transit, and particularly relates to an intelligent rail vehicle automatic catering trolley. The catering trolley comprises a trolley frame and wheels, and further comprises condensation plates, supporting columns, first shafts, placement boxes, first control units and condensation units. The condensation units and the first control units are arranged, and the first control units and the condensation units are matched with each other, so that on the one hand, the freshness of beverages is improved, the beverages are not likely to go bad, andtherefore the drinking taste of beverages is improved; on the other hand, adjustment can be conducted according to actual needs of beverages, so that the beverages are evenly frozen, and the beveragerefrigerating effect is improved; meanwhile, in the process that the placement boxes move downwards, first air bags are extruded by the placement boxes, the first air bags blow out cold air, and thecold air directly acts on the beverages through first holes, so that the beverage refrigerating efficiency is improved.

The invention provides a double-helix grouting type freezing device and construction method. The double-helix grouting type freezing device comprises a double-helix grouting type freezing pipe, wherein the double-helix grouting type freezing pipe comprises a saline water supply pipe, and an outer pipe sleeving the saline water supply pipe outside; two helical channels are formed between the pipe wall of the saline water supply pipe and the pipe wall of the outer pipe, and separately share the pipe walls with the saline water supply pipe and the outer pipe; one of the helical channels is a saline water helical pipeline; and the other helical channel is a grout helical pipeline. Through the adoption of the double-helix grouting type freezing device and construction method provided by the invention, combination of a grouting and plugging water technology for ground consolidation, and a special artificial freezing construction technology is realized, and the underground pipelines for two construction technologies are arranged in one pipeline, so that the construction method is simplified, and drilling and pipeline cost is reduced.

The invention discloses a tool for bearing liquid nitrogen refrigeration, which includes a liquid nitrogen conveying device, a bearing tool casing, a refrigeration sleeve, a bearing, a rotary base anda measurement observation device, wherein the liquid nitrogen conveying device is connected with the bearing tool casing on the lower side through a liquid conveying pipe; the inner side of the bearing tool casing is connected with the refrigeration sleeve through the liquid conveying device; the refrigeration sleeve is divided into two parts, namely a first refrigeration half pipe and a second refrigeration half pipe respectively; the first refrigeration half pipe and the second refrigeration half pipe are connected through a fixator; a bearing is arranged on the inner side of the refrigeration sleeve; the bottom of the bearing is detachably embedded on the rotary base; the measurement observation device is arranged on the rotary base. According to the invention, a nitrogen device and apressure device of the liquid nitrogen conveying device are used for liquefying nitrogen, and then liquid nitrogen is conveyed by the liquid conveying device to the refrigeration sleeve, then a cooling sprayer is used for uniformly cooling the inner side bearing, and the cooling efficiency is improved.

A board type direct / indirect ice melting combined ice storage trough is disclosed, which contains trough body, heat exchange board, refrigerating coil pipe and indirect ice melting coil pipe. Said invention features the refrigeration coil pipe and indirect ice melting coil pipe distributed on surface of heat exchange board, the inlet-outlet and inner wall of refrigerating coil pipe forming refrigerating path, the inlet-outlet and inner wall of indirect ice melting coil pipe forming indirect ice melting path, the direct ice melting path formed by direct ice melting inlet and outlet, inner wall of trough, outer wall of refrigerating coil pipe and indirect ice melting coil pipe, and surface of heat exchange board.

The invention discloses a cold energy recovery type liquid nitrogen cryogenic quick-freezing fresh-keeping device and method. The cold energy recovery type liquid nitrogen cryogenic quick-freezing fresh-keeping device comprises a material outlet end heat preservation shell body, a material inlet end heat preservation shell body, a spraying system end heat preservation shell body, an air fan end heat preservation shell body, a liquid nitrogen spraying system, a liquid nitrogen flow control system, a conveyer belt system and an air exhaust system. By means of the cold energy recovery type liquidnitrogen cryogenic quick-freezing fresh-keeping device and method, a reverse-flow type liquid nitrogen cryogenic quick-freezing fresh-keeping device or a fair-current type liquid nitrogen cryogenic quick-freezing fresh-keeping device can be formed, fastest freezing is adopted to lock moisture in marine products, damage to cells of the marine products is reduced, so that the texture and color of the marine products are maintained, and the cold energy recovery type liquid nitrogen cryogenic quick-freezing fresh-keeping device is high in universality, convenient to clean and good in heat preservation performance.

The invention provides a production process of calcium levofolinate lyophilized powder for injection. The production process comprises the following steps: (1) adding 40-50-DEG C water for injection in a liquid preparation tank; (2) adding 1 part by mass of mannitol, stirring until dissolving, and keeping the temperature of liquid medicine to 40-50 DEG C; (3) adding 1 part of calcium levofolinateraw medicine, stirring until dissolving, reducing the temperature of the liquid medicine to 20-30 DEG C, regulating pH to 7.8-8.2, and adding the water for injection and setting the volume to 1000 parts; and (4) performing sterilization and filtration, filling and freeze-drying, thereby obtaining the preparation product. Through the adoption of the production process, the impurity level in the finished product can be effectively controlled, so that the calcium levofolinate lyophilized powder is superior to a commercial original drug in the USA.

The invention discloses a static magnetic field assisted liquefied CO2 pulse spouting quick freezing device and a pressurized efficient freezing method, and belongs to the technical field of freezing processing. The quick-freezing device comprises a freezing chamber, a liquid CO2 spraying device, a static magnetic field generating device, a pulse spouting device, a temperature collecting device and a controller, liquefied CO2 is adopted as a freezing medium, the pulse spouting device is matched to enable thick stacked materials to be frozen evenly and quickly, the static magnetic field generating device is matched to assist in freezing, and the size of ice crystals can be reduced. The freezing method comprises the steps of evacuation, precooling, CO2 pressurization, magnetic field-assisted quick freezing and deep freezing. According to the method, CO2 pressurization pretreatment and pulse spouting are combined, the freezing time is remarkably shortened, the ice nucleation process is regulated and controlled, and freezing is uniform. Compared with industrial air blast quick-freezing, the time for the frozen materials to pass through the maximum ice crystal generation zone is shortened by more than 20%, and the ice crystal size of the product is reduced by more than 20%. The juice loss rate of the unfrozen product is reduced by more than 4%.

The invention relates to the field of environment-friendly sewage treatment equipment, in particular to a low-temperature frozen sewage treatment system. The low-temperature frozen sewage treatment system comprises a reaction unit and a storage unit, wherein the reaction unit comprises a tank body, a refrigeration device which is mounted on the tank body and is used for providing a cold source into a solution in the tank body, and a heating device for providing a heat source for crystallized ice bodies in the tank body; a stirrer is arranged in the tank body, and is driven by a speed reducer mounted at the upper end of the tank body; a discharging device is mounted at the lower end of the tank body; the storage unit comprises a raw water storage tank for storing sewage to be treated; the raw water storage tank is communicated with the tank body through a hydraulic pump. The low-temperature frozen sewage treatment system is simple in structure and convenient to operate, and can quickly and effectively treat sewage without producing secondary pollution; respective component substances in the sewage cannot be damaged, and useful components in the sewage can be favorably effectively recycled. Compared with the prior art, the sewage treatment effect is better, the impurity content is lower, and a discharging standard can be completely met, and the low-temperature frozen sewage treatment system has extremely high popularization value.

The invention relates to the technical field of refrigeration device, and particularly relates to an ice making device, a refrigerator and an ice making method. The ice making device comprises an airduct assembly, an ice making assembly and an air guide cover, wherein an ice making box is arranged in the ice making assembly; an air guide plate is arranged in the air guide cover, an inclined section is arranged at the end, facing the ice making box, of the air guide plate, and the inclined section extends in the direction of the upper edge of the side, close to the air guide cover, of the icemaking box; and the air duct assembly communicates with the ice making assembly through the air guide cover. According to the ice making assembly, the air guide plate is arranged in the air guide cover, the inclined section is arranged at the end, facing the ice making box, of the air guide plate, and the inclined section is arranged to extend in the direction of the upper edge of the side, closeto the air guide cover, of the ice making box, so that most of cold air in the air guide cover is guided by the air guide plate and cannot directly blow the water surface in the ice making box, the problem of frosting of the ice making box can be effectively prevented, and the ice making efficiency and the ice making uniformity are guaranteed.

The invention belongs to the technical field of intelligent food delivery, in particular to a rail vehicle food and beverage delivery method. The method adopts an automatic food delivery vehicle whichcomprises a vehicle frame and wheels, and also including a condensing plate, struts, a first shaft, a placement box, a first control unit and a condensing unit. By arranging the condensing unit and the first control unit, through the mutual cooperation of the first control unit and the condensing unit, the freshness of the beverage is improved, so that the beverage is not easy to deteriorate, andthe taste of the beverage is improved; according to the actual needs of drinks to adjust, so that the drinks are uniformly frozen so as to improve the refrigeration effect of drinks; at that same time, during the downward movement of the placement box, the first air bag is squeezed by the placement box, and the first airbag bulges clod air, and the cold air directly acts on the beverage through the first hole, thereby improving the refrigeration efficiency of the beverage.

The invention discloses a telescopic belt conveyor. The telescopic belt conveyor comprises a belt and a frame used for supporting the belt conveyor, wherein a telescopic mechanism used for controllingthe belt to stretch out and draw back is arranged at one end of the frame; a sliding connecting block used for assisting the belt in sliding is arranged at the end, away from the telescopic mechanism, of the belt; the other end of the belt is arranged in the telescopic mechanism; a clamping belt used for controlling the sliding connecting block to move is arranged between the telescopic mechanismand the sliding connecting block; and the bottom of the sliding connecting block and the clamping belt are connected in a clamped manner. By the adoption of the technical scheme, through linkage of the belt conveyor and the telescopic mechanism, conveying and positioning can be conducted more accurately, the belt conveyor can be conveyed to a freezer at uniform intervals at the same time, and thefood freezing effect is consistent.

The invention relates to a snowflake machine roller. The snowflake machine roller comprises a roller main body, wherein a chamber is formed in the roller main body; the roller further comprises a drum-shaped rotating shaft and a liquid return pipe; one end of the drum-shaped rotating shaft is closed; the liquid return pipe is inserted into the drum-shaped rotating shaft; the two ends of the drum-shaped rotating shaft are in sealing connection with the two ends of the liquid return pipe; a liquid entering sealing chamber is formed between the drum-shaped rotating shaft and the liquid return pipe; a motor connecting shaft is penetrated through one end of the roller main body; one end of the drum-shaped rotating shaft is inserted into the roller main body and is in rotating connection with an inner end of the motor connecting shaft; a drum-shaped end cover part is penetrated through the other end of the roller main body; the other end of the drum-shaped rotating shaft is inserted into the drum-shaped end cover part; the other end of the drum-shaped rotating shaft extends out of an outer end of the drum-shaped end cover part; at least one refrigerant fluid nozzle is arranged on the drum-shaped rotating shaft; a liquid return nozzle which is communicated with the liquid return pipe is arranged at the closed end of the drum-shaped rotating shaft; the drum-shaped rotating shaft and the drum-shaped end cover part are in rotating connection with each other; a mechanical sealing mechanism is arranged between the drum-shaped rotating shaft and the drum-shaped end cover part.

The invention provides an air-cooling type freezer which comprises a freezer body, a refrigerating system and a forced air circulating cooling system. The forced air circulating cooling system comprises air supply openings, an air return opening, an air channel for connecting the air supply openings with the air return opening, and a fan arranged in the air channel. The air supply openings comprise the first layer air supply openings and the second layer air supply opening. The first layer air supply openings are formed in the upper end of the front side wall and the upper end of the rear side wall correspondingly. The second layer air supply opening is formed in the middle end of the right side wall. The air return opening is formed in the lower end of the right side wall. A basket is suspended above a cold chamber. A basket body of the basket is located below the first layer air supply openings. A space supporting frame is arranged at the lower end of the basket body. The space supporting frame and the second layer air supply opening are located in the same horizontal position. A shelving space supporting frame is arranged on the bottom wall. The shelving space supporting frame and the air return opening are located at the same horizontal position. The freezer has the beneficial effects that the whole uniform freezing effect of the cold chamber is achieved, and the uniform freezing effect is free of the influence of the use habits of users.

The invention belongs to the technical field of processing of deep sea fish products, and particularly relates to a processing method capable of reducing purine of deep sea fish products. Besides, theinvention further provides a processing system capable of reducing purine of deep sea fish products. The processing system for the deep sea fish products comprises technological methods of checking and accepting raw materials, performing quenching and unfreezing, removing internal organs, performing washing with water and selection, performing salting treatment, performing quenching once again and performing weighing, performing freezing treatment, sealing boxes with shipping marks and the like. Through adoption of the processing method and processing system for the deep sea fish products disclosed by the invention, the problem that in the prior art, at present, after marine products are processed in China, the purine content is high, so that definite hurt is gradually caused to the kidneys of human bodies is solved, and the processing method and processing system for the deep sea fish products have the beneficial technical effects that the purine content is effectively restrained, grade confusion and level confusion are avoided, fish bodies are high in cleanliness, and iced fresh products are good in quality.

The invention discloses a freezing drying method. The freezing drying method comprises the following steps that dendrobium officinale is picked, cleaned and drained, color-protecting liquid is used for ultrasound soaking, and the dendrobium officinale is taken out and drained for being dried; the dendrobium officinale is placed in a drying device, then air in the drying device is completely pumpedout, and then nitrogen is pumped into the drying device to enable the interior of the drying device to keep a nitrogen atmosphere; and internal gas in the drying device is pumped out to enable air pressure of the drying device to be lower than barometric pressure, the interior of the drying device is vibrated and heated up, after it is observed that the internal air pressure in the drying devicerises to the barometric pressure, the nitrogen is pumped and a gas outlet is simultaneously opened to enable internal vapor in the drying device to escape, then the gas outlet is closed to pump the air pressure in the drying device to be lower than the barometric pressure, warming evaporation is carried out again, and until the dendrobium officinale is completely dried after reciprocation. According to the freezing drying method, the dendrobium officinale is dried at the nitrogen atmosphere, the drying device can sufficiently freeze and dry the dendrobium officinale, and low-temperature dryingdoes not damage the own nutrition of the dendrobium officinale.

The invention discloses a fresh pepper storage and refrigeration device, and relates to the technical field of refrigeration. The problems that freezing is uneven and pressure is too large are solved.The fresh pepper storage and refrigeration device specifically comprises a refrigerator case, at least two sets of hoisting mechanisms are arranged on the inner wall of the top of the refrigerator case, each set of hoisting mechanism comprises two sets of hoisting assemblies matched with each other, one set of hoisting assembly of each hoisting mechanism is fixedly installed on the inner wall ofthe top of the refrigerator case through a connecting frame, the other hoisting assembly of each hoisting mechanism is connected to the inner wall of the top of the refrigerator case through a connecting assembly, each hoisting assembly comprises a supporting plate and supporting rollers arranged in a rectangular array, the supporting rollers are rotationally connected to the outer wall of the bottom of each supporting plate through rotating shafts, a conveying belt is used on the outer walls of the supporting rollers of each hoisting assembly in a matched mode, and staggered sawtooth bulges are arranged on the outer walls of the two conveying belts which are matched with each other. According to the fresh pepper storage and refrigeration device, fresh peppers are prevented from being superposed to cause overlarge pressure, the side surfaces of the fresh peppers are not superposed, and the freezing is uniform.