787 results about "Vacuum packing" patented technology

A vacuum-package secondary bagging machine, comprising a packaging-bag conveying line and a material-bag conveying line, wherein the packaging-bag conveying line comprises a supplied-bag conveying mechanism, the supplied-bag conveying mechanism comprises a conveyed-bag conveying belt, a conveying tail end of the conveyed-bag conveying belt aligns with a conveyed-bag deviation rectifying mechanism, an output end of the conveyed-bag deviation rectifying mechanism aligns with a double-station bag-opening and -expanding mechanism, and the double-station bag-opening and -expanding mechanism aligns with two push-into-packaging bag mechanisms which are transversely symmetrically arranged; and the material-bag conveying line comprises a material-bag screening mechanism, the material-bag screening mechanism lifts material bags to the position between the push-into-packaging bag mechanism and the double-station bag-opening and -expanding mechanism by means of a lifting platform, the push-into-packaging bag mechanism pushes the material bags into packaging bags, and in the direction of the material bags entering the packaging bags, a bag heat-sealing and arranging mechanism and a discharging and reversing mechanism are provided in sequence. All the components of the vacuum-package secondary bagging machine cooperate stably and efficiently. Further disclosed is an operating method for a vacuum-package secondary bagging machine.

The invention discloses a processing method for reducing the broken rice rate of commercial rice, which comprises the following steps: S1, an unhulled rice pretreatment stage: S1a, a multi-stage linkage impurity removal process is adopted, and large impurities, light impurities, metal impurities and stones in unhulled rice are removed through combination of classified screening, airflow separation, magnetic separation and specific gravity stone removal, so that the impurity removal rate is greater than or equal to 99%; s1b, on the basis of a dynamic adaptation model of rice physical characteristics and rice hulling parameters, rice moisture and hardness data are collected in real time through a first detection device, the rice hulling flow and the inter-roller pressure are calculated and adjusted through a control unit, and closed-loop control is achieved; s2, carrying out a color sorting and polishing stage; s3, carrying out a rice milling regulation and control stage; and S4, entering a vacuum packaging stage.

The invention belongs to the technical field of vacuum packaging of roasted seeds and nuts, and particularly relates to a vacuum sealing mechanism for automatic packaging of roasted seeds and nuts, which comprises a base, a connecting disc is rotatably arranged above the base, three groups of fixing assemblies uniformly distributed along the circumferential direction of the connecting disc are arranged on the connecting disc, and U-shaped fixing frames are arranged on the fixing assemblies. An opening binding mechanism is arranged on the U-shaped fixing frame, and a heat sealing assembly is arranged on the opening binding mechanism. According to the invention, the material transfer waiting time among traditional multiple stations can be saved, the complex signal coordination control difficulty and equipment debugging difficulty among traditional multiple stations are reduced, and the stability and packaging efficiency of equipment in high-speed production are improved; and when the packaging bag filled with the materials is shaped, three-dimensional constraint including bottom supporting, middle extruding and part limiting can be formed, the problems that the roasted seed and nut particles are loose up and down and large in thickness difference due to uneven extruding stress are solved, and the packaging quality of the sealed packaging bag is improved.

The invention relates to the technical field of precise cleaning and regeneration, and discloses an aluminum nitride crucible cleaning and regeneration process for a MicroOLED evaporation source, which comprises the steps of organic soaking, primary pure water soaking, physical film removal, water washing, primary drying, high-temperature baking, acid pickling, secondary pure water soaking, ultrasonic cleaning, secondary drying, detection, drying, cooling and vacuum packaging. According to the cleaning and regeneration technology for the aluminum nitride crucible for the MicroOLED evaporation source, multiple cleaning modes are combined, organic matter on the surface and in the aluminum nitride crucible can be effectively dissolved, compared with traditional soaking with a single organic solvent, the removal effect on stubborn stains is better, organic residues and permeation residues are avoided, and the service life of the aluminum nitride crucible is prolonged. The crucible can be safely mixed for use in subsequent use through the thorough cleaning process, cross contamination is effectively avoided, product flaws caused by incomplete cleaning of the crucible are reduced, the product yield is further improved, the high product yield means lower production cost and higher market competitiveness, and remarkable economic benefits are brought to enterprises.

The invention relates to the technical field of prefabricated dishes, and discloses a color-protecting and vitamin-retaining method for green peppers in green pepper and pig tripe prefabricated dishes, which comprises the following steps: selecting fresh green peppers, sorting, cleaning, and soaking with a citric acid-calcium chloride mixed solution to obtain pretreated green peppers; performing vacuum pre-cooling on the pre-treated green peppers to obtain pre-cooled green peppers; selecting fresh pork tripe, cleaning, and marinating with spices to obtain marinated pork tripe; mixing the precooled green peppers with the marinated pork tripe, then packaging the mixture by adopting vacuum packaging to obtain a vacuum-packaged green pepper and pork tripe prefabricated dish, and finally performing low-temperature sterilization to obtain the green pepper and pork tripe prefabricated dish. The green peppers are soaked in the citric acid-calcium chloride mixed solution, and low-temperature vacuum pre-cooling is performed, so that degradation of chlorophyll is reduced, the color of the green peppers is protected, and vitamins are reserved at the same time.

The utility model relates to the technical field of food vacuum package detection, in particular to a food vacuum package sealing performance detection device. The utility model provides a food vacuum package leakproofness detection device which can perform intermittent blanking on food vacuum packages, can control a transmission machine to perform intermittent transmission, realizes continuous detection, does not need frequent start and stop, prolongs the service life of equipment, and improves the detection efficiency. A food vacuum package leakproofness detection device comprises a supporting frame, a fixing frame and the like, and the left side of the supporting frame is connected with the fixing frame. According to the intermittent blanking device, food vacuum packages fall onto the conveyor through rotation of the intermittent blanking disc, the missing gear is shifted through the shifting piece, so that the food vacuum packages are conveyed to the position below the sealing cover, the conveyor stops conveying at the moment, intermittent blanking can be conducted on the food vacuum packages, the conveyor can be controlled to conduct intermittent conveying, and the conveying efficiency is improved. Continuous detection is achieved, frequent starting and stopping are not needed, the service life of equipment is prolonged, and the detection efficiency is improved.

The invention relates to the technical field of aquatic product processing, in particular to an integrated low-loss processing method of tuna fillets. The method comprises the following steps: performing low-temperature radio-frequency quick thawing on cryopreserved tuna fish fillets, taking out the tuna fish fillets until the central temperature of the tuna fish fillets reaches 4 DEG C, and quickly cutting the tuna fish fillets into blocks; soaking the fish blocks in a composite fresh-keeping soaking solution at 3-5 DEG C, and performing low-temperature ultrasonic treatment; and washing the soaked fish blocks, draining the surfaces of the fish blocks, loading the fish blocks into a vacuum packaging bag according to specification requirements, vacuumizing, putting the vacuum packaging bag into a water bath kettle, carrying out temperature gradient type low-temperature curing, and taking out to obtain a cured finished product of the tuna fish fillet. Through combined application of a low-temperature radio-frequency quick thawing technology and a vacuum low-temperature low-loss curing technology, the obtained tuna fillet cured product not only ensures the quality of fish meat, but also effectively inhibits histamine increase and fat oxidation of the cured fish meat during low-temperature storage; the method is of great significance in promoting quality improvement and diversified development of tuna products.

The utility model discloses an experimental animal feed double-layer vacuum package automatic pushing device which comprises a first conveyor, a second conveyor, a lifting platform, a pushing assembly, a third conveyor, a grabbing assembly, a fourth conveying mechanism, a sealing mechanism and a fifth conveying mechanism which are sequentially arranged. Wherein two groups of the first conveyor, the second conveyor, the third conveyor, the fourth conveying mechanism, the sealing mechanism and the fifth conveying mechanism are arranged side by side. According to the double-layer vacuum shaping packaging machine, double-layer vacuum shaping packaging is met, automatic bag feeding, bag pushing and bagging and vacuumizing sealing of a second-layer packaging bag are achieved, the steps can be completed in one device, the occupied space is saved, and the packaging efficiency is improved; meanwhile, the double-layer packaging bag achieves independent vacuum packaging, double protection is achieved, contamination of microorganisms in product contents is avoided, a flat packaging form is formed, the risk probability of bumping and bag breaking is reduced, and the bag breaking protection effect is improved.

The invention discloses a packaging method and device for a PTG316L stainless steel cold plate. According to the packaging method, the means of cleaning and drying, rust-proof treatment, buffering protection, vacuum packaging, outer packaging reinforcement and the like are adopted for standardization and protection, corresponding materials are adopted, so that the PTG316L stainless steel cold plate is prevented from being damaged by scratches, collisions, corrosion and the like in the transportation and storage process, and the surface quality and integrity of the PTG316L stainless steel cold plate are guaranteed. The packaging device comprises corresponding equipment for achieving all packaging steps, the packaging quality of the PTG316L stainless steel cold plate can be effectively improved, the damage risk of products in the circulation process is reduced, and good application prospects are achieved.

To provide a method for transporting thermoplastic resin vials under sterile conditions and in an exogenous pyrogen-free state, introducing the vials into a filling assembly line, and thereafter allowing the vials to stand without tipping or dropping them, the method is a method for packing vials for filling with contents such as medicaments or cells by vacuum-packing the vials, and includes the following steps:(I) inserting a plurality of vials in a tray with opening portion sides of the vials facing a bottom of the tray,(II) installing a soft film on bottom portions of the vials,(III) introducing the tray having the vials installed therein and the soft film into a gas-impermeable flexible film bag,(IV) depressurizing the inside of the flexible film bag to a prescribed vacuum pressure, and(V) sealing an opening of the flexible film bag.

The invention discloses a tiger skin soft boiled egg production process and a deoiling and cooling conveyor line, and relates to the technical field of food processing, the process comprises the following steps: S1, cleaning and disinfection: cleaning and disinfecting the surfaces of poultry eggs, and then washing the poultry eggs; s2, temperature returning placement: returning the temperature of the poultry eggs to 15-25 DEG C; s3, performing low-temperature water boiling: putting the poultry eggs into water with the temperature of 70-80 DEG C, and performing soaking and heating; s4, cooling and shelling: fishing out the poultry eggs, putting the poultry eggs into water for cooling, and then carrying out shelling treatment; s5, frying the tiger skin: putting the poultry eggs into hot oil, and frying the tiger skin at the temperature of 150-160 DEG C for about 3-4 minutes; s6, soaking in cold water: putting the fished-out tiger skin soft boiled eggs into ice water to be soaked for 3-5 minutes, and then fishing out the soaked tiger skin soft boiled eggs; s7, marinating: putting the tiger skin soft boiled eggs into marinade for marinating; and S8, packaging: fishing out the tiger skin soft boiled eggs, and carrying out vacuum packaging. The method has the effect of improving the soft yolk stability and the product quality of the tiger skin soft yolk eggs.

The invention provides a preservation method of fresh-cut purple sweet potatoes, which comprises the following steps: peeling and slicing the purple sweet potatoes, carrying out heat treatment at 50 DEG C for 5 minutes, soaking in a fermentation extracting solution containing 50% of bacillus subtilis, 50% of garlic extracting solution, 0.4% of calcium chloride, 0.04% of melatonin and 0.3% of citric acid, treating for 15 minutes, airing, carrying out vacuum packaging, and finally refrigerating and storing at 4 DEG C. The method effectively inhibits browning of the fresh-cut purple sweet potatoes, maintains the color, hardness and nutritional ingredients of the fresh-cut purple sweet potatoes, and prolongs the shelf life. The method has the advantages of greenness, harmlessness, simplicity in operation, remarkable preservation effect and the like, and a new technical scheme can be provided for preservation of the fresh-cut purple sweet potatoes.

The utility model relates to the technical field of quick-frozen food vacuum package flattening, and discloses a quick-frozen food vacuum package flattening device which comprises a fixing frame, a dispersing frame is fixedly installed on the left side of the fixing frame, four supporting columns are fixedly installed at the bottom of the dispersing frame and the bottom of the fixing frame, a first conveying belt is arranged in the fixing frame, and a second conveying belt is arranged in the fixing frame. A vibration motor is arranged in the dispersing frame, a guide mechanism is arranged in the dispersing frame, a flattening mechanism is arranged in the fixing frame, a first gear is meshed with a rack, so that two guide plates rotate, a gap between the right ends of the two guide plates can be adjusted according to the size of quick-frozen food, the quick-frozen food is guided, and the food can be conveniently conveyed to the dispersing frame. Four gears III are engaged with gears II, so that four threaded rods synchronously rotate, the lifting frame is driven to stably lift, the distance between the first conveying belt and the third conveying belt can be adjusted according to the size of the quick-frozen food, and the use is more flexible.

The application provides a kind of vacuum packaging machine, relating to vacuum packaging technical field.The vacuum packaging machine, including packaging machine box, the center between the front and rear of the packaging machine box inner wall is fixedly connected with top center fixed strip, the packaging chamber is fixedly connected between the both sides of the packaging machine box inner wall and the top center fixed strip, the rear end of the top of the packaging machine box is fixedly connected with fixed pivot, the sealing cover is rotatably connected on two fixed pivots, the front end of two sealing covers is equipped with extrusion fixing mechanism, and the bottom of two sealing covers is fixedly connected with sealing ring.The sliding U-shaped plate in the extrusion fixing mechanism is designed, the fixing of packaging bag is completed when the sealing cover is closed, and the packaging bag will not move when the air is extracted, and the sliding U-shaped plate is slid, the fixing of packaging bag is completed according to the size of packaging bag, and the application range of the device is improved.

The utility model provides a lead frame position correcting device, and belongs to the technical field of lead frame position adjusting equipment.The device comprises a set of conveying belts used for conveying stacked lead frames, a bagging table is arranged at the tail end of the conveying direction of the set of conveying belts and used for conducting vacuum bagging on the stacked lead frames, and an avoiding groove is formed in the bagging table; the transfer part is arranged above the tail end of the conveying direction of the group of conveying belts and comprises a telescopic rod, the upper end of the telescopic rod is connected with a transverse moving mechanism, the lower end of the telescopic rod is provided with a seat plate, and the two ends of the seat plate are respectively provided with an extraction part used for upwards lifting the stacked lead frames; and the centering piece is used for pushing the two sides of the stacked lead frames. By using the scheme provided by the invention, the edges of the lead frames stacked before vacuum packaging can be kept aligned, deformation in the vacuum packaging process is avoided, and the cost is saved.

The invention relates to the technical field of preparation of cured beef, and discloses low-salt cured beef which comprises main materials and auxiliary materials in parts by mass as preparation raw materials, the main materials comprise fresh yellow cattle meat and compound salt, and the auxiliary materials comprise tea polyphenol, alanine, calcium gluconate and a kelp powder aqueous extract. The formula comprises 100 parts of fresh yellow cattle meat, 5 parts of compound salt, 0.1 part of tea polyphenol, 0.2 part of alanine, 0.5 part of calcium gluconate and 1 part of kelp powder aqueous extract. The method comprises the following steps: putting cleaned beef strips into a microwave oven, mixing 5% of compound salt with tea polyphenol, anthocyanin, rosemary extract, alanine and calcium gluconate in order to improve the pickling efficiency, adding 50 parts of clear water, and uniformly stirring to prepare a pickling solution; and cooling the fried cured beef to room temperature, packaging with a vacuum packaging bag, and carrying out ultrahigh pressure treatment (300MPa, 5 minutes) to replace irradiation, prolong the shelf life and retain the flavor, so that the method has the advantages of traditional flavor, prolonged shelf life, simple production process and the like.

This disclosure relates generally to systems and methods for packing furniture elements for shipping. A method of packing a furniture article includes compressing a block of high-density rebound foam forming the furniture article with a hydraulic press from an initial volume to a reduced volume. The reduced volume may be about one-fourth to about one-seventh of the initial volume and the furniture article may be substantially planar in the reduced volume. The method may also include reducing a pressure of the block of high-density rebound foam simultaneously to compressing the block of high-density rebound foam to form a compressed and pressurized furniture article. Further, the method may include rolling the compressed and pressurized furniture article in a wrapping to form a rolled furniture article for packing and shipping, and packing the rolled furniture article in a container for shipping.

The utility model discloses a double gas circuit control system of a vacuum packaging machine, which relates to the technical field of vacuum packaging machines, and comprises a seat body and a cover part, a vacuum cavity is concavely arranged on the top surface of the seat body, the cover part is hinged to one side of the seat body, the cover part can cover the seat body to enable the vacuum cavity to be in a closed state, and a heating assembly is arranged at the covering position of the cover part and the seat body. Comprising a first air path control system and a second air path control system, the first air path control system can drive the cover piece to cover the base so that the vacuum cavity can be in a closed state, and the second air path control system can pump air in the vacuum cavity. By arranging the control system, the sealing position of the packaging bag can be sealed through the cooperation of the first air cylinder assembly and the second air cylinder assembly, then vacuumizing is carried out through the second motor pump, meanwhile, deflation is carried out through the second pressure release valve, and therefore air pressure balance is kept between the vacuum cavity and the packaging bag, and liquid in the packaging bag is prevented from moving; and the sealing quality problem is caused.

The invention discloses an automatic metering and vacuum packaging production line for meatballs, which comprises a lifting belt, a combined scale packaging device, a vacuum sealing device, a detection conveying device and a control unit, a combined scale is arranged between the packaging device and the lifting belt, and the lifting belt lifts and conveys the meatballs into the combined scale; the combined scale is used for weighing balls and feeding the balls into the packaging device for bagging, the vacuum sealing device is arranged on one side of the packaging device, the detection conveying device is arranged on one side of the vacuum sealing device, and the vacuum sealing device is used for vacuumizing and sealing packaging bags filled with the balls on the packaging device. And the lifting belt, the combined scale, the packaging device, the vacuum sealing device and the detection conveying device are electrically connected with the control unit. The meatball packaging machine is high in automation degree, meatball conveying, metering and packaging are integrated on one production line, and the production efficiency is greatly improved.

The utility model discloses an adjustable heat-sealing pressure device of a vacuum packaging machine, which relates to the technical field of vacuum packaging machines and comprises a positioning frame, a power motor is mounted on the outer wall of the positioning frame, a telescopic rod is mounted on the outer wall of the power motor, a fixing plate is mounted on the outer wall of the telescopic rod, an adjusting rod is mounted on the inner wall of the fixing plate, and the adjusting rod is mounted on the outer wall of the positioning frame. An adjusting sleeve is installed on the outer wall of the adjusting rod, a jacking spring is installed on the outer wall of the adjusting rod, and a sliding sleeve is installed on the side wall of the fixing plate. Through the arrangement of the fixing plate, the adjusting rod, the adjusting sleeve, the jacking spring and the pressing plate, the distance between the pressing plate and the fixing plate is adjusted by rotating the adjusting sleeve and the adjusting rod for threaded adjustment, so that the jacking spring is adjusted, the pre-tightening force of the jacking spring is limited by controlling the stretching and retracting of the jacking spring, and the pressing effect is improved. The heat-sealing pressure of the packaging materials is adjusted, and the hot-pressing requirements of the packaging materials of different materials or thicknesses are met.

The utility model discloses a vacuumizing packaging mechanism which comprises a bottom plate, a lower shell is fixedly connected to the top of the bottom plate, an upper shell is hinged to the top of the lower shell, two buckle assemblies used for achieving detachable connection of the upper shell and the lower shell are symmetrically arranged on the side, away from the hinged side, of the lower shell, and a vacuum cavity is formed in the lower shell. A sealing ring located on the outer ring of the vacuum cavity is embedded in the lower shell, sealing rings matched with each other are also embedded in the upper shell, an extraction valve is arranged in the vacuum cavity, and two positioning assemblies are further symmetrically arranged in the vacuum cavity. The positioning assembly comprises a positioning block which is fixedly connected to the inner surface of the lower shell and is of an L-shaped structure, an inserting groove which is formed in the positioning block and is transversely and horizontally arranged, and two protruding parts which are arranged on the inner side of the inserting groove in a spaced mode. By means of the structure, the vacuumizing packaging mechanism is simple in structure, convenient and fast to operate, capable of achieving efficient vacuumizing and convenient to use.

The present invention discloses a method for improving the stability of solid-phase synthesized multi-cysteine ​​polypeptides, primarily addressing the technical problem of poor stability caused by the susceptibility of such polypeptides to oxidation, degradation, elimination, denaturation, and inactivation. The method comprises the following steps: 1) purifying the multi-cysteine ​​polypeptide synthesized by solid-phase synthesis via liquid chromatography to obtain a preparation solution containing trifluoroacetate; 2) passing the preparation solution through a depth filter containing hydrophilic silica aerogel spheres as a filter material to remove metal ions and trace peroxides contained in the preparation solution by adsorption; 3) further passing the preparation solution through a weakly basic cation exchange resin to a pH of 6.3-6.5; 4) removing the sodium trifluoroacetate in the preparation solution by tangential flow filtration with low pressure, obtaining a weakly acidic, salt-free preparation solution; 5) freezing and vacuum drying to obtain a solid powder final product; 6) vacuum packaging and frozen storage; and 7) ensuring purity and stability after storage in accordance with scientific research requirements.

The invention discloses an intelligent and accurate fish fillet counterweight system which comprises an automatic box falling machine, a fish fillet pressing machine, a fish fillet coarse weighing and filling machine, a slurry pressing machine, a slurry fine weighing and filling machine, a sealing cleaning machine and a vacuum packaging machine which are sequentially arranged in the conveying direction. The fillet pressing machine and the slurry pressing machine are sequentially arranged on one side of the automatic box falling machine in the conveying direction, and the fillet coarse weighing and filling machine and the slurry fine weighing and filling machine are arranged on the automatic box falling machine and are connected with the fillet pressing machine and the slurry pressing machine respectively. Accurate and automatic weight balancing and combined packaging of the fish slices can be achieved, and the method is mainly applied to fish slice standardized production links of premade vegetable factories and aquatic product processing enterprises.

The utility model discloses a vacuum packaging machine, which belongs to the technical field of vacuum packaging and comprises a vacuum packaging machine main body, heating strips are fixedly arranged on the front side and the rear side of the top of the vacuum packaging machine main body, pressing rods are arranged on the two heating strips, a vacuum sealing cover is covered above the vacuum packaging machine main body, and supports are fixedly arranged on the two sides of the vacuum packaging machine main body. Feeding mechanisms are fixedly arranged at the top ends of the two supports, each feeding mechanism comprises a [-shaped frame, two electric sliding tables are arranged between the [-shaped frame and the supports, a belt conveyor used for conveying packaging bags containing rice dumplings is installed in the [-shaped frame, and a pushing mechanism is rotationally connected to the side, close to the vacuum packaging machine body, of the [-shaped frame; the sides, close to the vacuum packaging machine body, of the two supports are each provided with a discharging opening. Automatic feeding is achieved through the belt conveyors on the left side and the right side of the vacuum packaging machine body, automatic discharging of rice dumplings can be achieved while feeding is conducted, manpower can be released, and then the vacuum packaging efficiency of the rice dumplings can be greatly improved.

The utility model discloses a full-automatic rice vacuum packaging machine which comprises a base, a containing groove and a long cavity are formed in the base, a connecting box is fixedly installed on the side, close to the containing groove, of the base, a sealing mechanism is arranged in the connecting box, a conveying belt is arranged in the containing groove, and a sealing mechanism is arranged in the conveying belt. A plurality of isolation rods are fixedly installed on the conveying belt at equal intervals, a fixing plate is fixedly installed on the side, away from the connecting box, of the base, a limiting mechanism is arranged on the side, close to the conveying belt, of the fixing plate, the limiting mechanism comprises a limiting plate, and first air pumps are fixedly installed at the two ends of the side, away from the limiting plate, of the fixing plate; the telescopic ends of the two first air pumps penetrate through the fixing plate and are fixedly connected with the limiting plate. According to the rice conveying device, the position of rice can be limited through the limiting mechanism, and the situation that the rice deviates in the conveying process, and consequently sealing is not smooth is avoided.

The application discloses a kind of semiconductor chip epoxy resin encapsulation nanoscale gap control method, it is related to semiconductor packaging technical field.The present application includes: S1, wafer is taken out from vacuum packaging and is carried out dicing processing, plasma cleaning machine is cleaned, and is carried out and leads wire;S2, after wire bonding, injection molding is carried out;S3, nanoscale gap growth film method;S4, confirm growth dense film;S5, using 150 DEG C baking 55-65 minutes, ensure that internal water vapor is normally removed;S6, normal arrangement laser overflow glue and plating process, surface water removal normal baking after plating is completed;S7, after cutting rib, arrange electrical characteristic parameter test, leakage current IR, forward voltage drop VF, VB avalanche voltage.The present application solves the problem of product reliability caused by the fact that the pressure of plastic encapsulating material and injection molding equipment is not enough due to small packaging, which is beneficial to improve the problem of high-quality miniaturization of industrial equipment, and reduces the influence of device problems on system.

To provide a method for producing seasoned eggs that is less likely to damage the outer shape even when a plurality of seasoned eggs are put into one packaging bag and sealed. [Solution] A method for producing seasoned eggs, which includes, in this order, an anti-sticking liquid application process in which an anti-sticking liquid is applied to seasoned eggs, a vacuum packaging process in which multiple seasoned eggs are vacuum-packaged together, and a heat sterilization process in which the vacuum-packed seasoned eggs are heated to sterilize them, wherein the anti-sticking liquid is made by adding an additive containing agar to water.

The utility model belongs to the field of vacuum packaging machines, and particularly relates to a yak jerky vacuum packaging machine which comprises an operation table, a processing groove is formed in the top of the front end of the operation table, a guide assembly is arranged at the bottom of the right end of the operation table, and the guide assembly comprises a fixing plate fixedly installed at the bottom end of the right side. A guide plate is fixedly connected to the right side of the fixing plate, a protruding plate is fixedly connected to the bottom of the right side of the operation table, and a static electricity eliminating assembly is arranged on the surface of a guide assembly. The fixing plate and the guide plate are arranged on the right side of the operation table, so that an operator can quickly move a packaging bag into the processing groove, in addition, an opening of the packaging bag is pressed through the pressing block, the situation that follow-up packaging is affected due to the fact that the opening tilts up is avoided, and the packaging efficiency of the packaging bag is improved; static electricity on the surface of the fixing plate is guided out by arranging the guide plate, and the situation that transportation of the packaging bags is affected by the static electricity and an operator feels uncomfortable is avoided.

The invention relates to the technical field of biology, and discloses high-activity black fungus dry powder as well as a preparation and a preparation method thereof, and the black fungus dry powder is prepared by the following steps: selecting high-quality black fungus in northeast as a raw material, and performing primary washing, fine washing, color protection and draining pretreatment at normal temperature in a dark place; carrying out compound enzymolysis by using cellulase and pectinase under a low-temperature acidic condition; power frequency ultrasonic-assisted extraction is set; drying under a vacuum freezing condition until the moisture is less than or equal to 8%; according to the process disclosed by the invention, the raw materials are selected, and multi-step cooperative treatment of low-temperature enzymolysis wall breaking, ultrasonic enhanced mass transfer, vacuum freeze-drying keep-alive and sterile post-treatment is combined, so that active ingredients of polysaccharide, melanin and triterpenoids are fully reserved, and the process is simple and convenient to operate, low in cost and suitable for large-scale production. Therefore, the extraction efficiency and bioavailability are improved, the hygienic safety and storage stability of a finished product are guaranteed, and a foundation is laid for subsequent development of diversified black fungus preparations.