279results about How to "Improve freshness" patented technology

The invention discloses a high-barrier-property biodegradable food packaging film and a preparation method thereof, and relates to the technical field of food packaging. Comprising the following main components in parts by weight: 4-25 parts of a polymeric hybrid, 6-15 parts of an enzymatic degradation enhancer, 10-25 parts of a barrier material, 55-80 parts of a bio-based polymer, 30-40 parts of an intelligent degradation regulator, an intelligent responsive material, 10-15 parts of a novel starch derivative, 13-27 parts of novel polyester bio-ester and 20-40 parts of a chitosan-sodium alginate compound. Through the modified graphene, the high-barrier and high-wear-resistant biodegradation function is realized, the problems of food oxidation, dampness and deterioration caused by gases such as oxygen, water vapor and carbon dioxide are solved, and the shortening of the shelf life of food and the accumulation of wastes are avoided.

The invention discloses an unmanned aerial vehicle cluster moving target searching method and device, and the method comprises the steps: determining a probability expectation value and a freshness value of a grid where an unmanned aerial vehicle is located when M unmanned aerial vehicles search N targets in a searching region; determining a local probability expectation matrix and a global probability expectation matrix of the grids according to the probability expectation values, and determining a local freshness matrix and a global freshness matrix of the grids according to the freshness values; determining an action decision matrix according to the probability expectation decision matrix, the freshness decision matrix, the exploration task weight and the search task weight; and according to the action decision matrix, determining a target grid which maximizes the minimum probability value of the freshness value, and according to the position of the target grid, determining the next motion direction of the unmanned aerial vehicle. According to the scheme, the target position probability information and the prior information collected previously are utilized at the same time, the target with the known position and the target with the unknown position can be searched, and therefore target searching can be more efficient and accurate in a real scene.

The invention discloses a single-cell protein extraction and hydrolysis process. The invention discloses a single-cell protein extraction and hydrolysis process which comprises the following steps: S1, adding a chemical reagent into single-cell protein thalli to lyse cells to obtain a cell lysis solution; s2, adding a protein denaturation reagent into the cell lysis solution, and centrifuging to obtain a protein denaturation precipitate; s3, adding a protein dissolving reagent into the protein denaturation precipitate to obtain a protein solution; and S4, adding enzyme into the protein solution, and carrying out protein hydrolysis to obtain a hydrolysate. The method has a wide application prospect, and is expected to promote technical progress and industrial development in related fields.

The invention belongs to the field of food fresh-keeping products, and particularly relates to an alcohol bag for food fresh keeping and a preparation method of the alcohol bag. The alcohol fresh-keeping material comprises a front-side wrapping material, a back-side wrapping material and an alcohol fresh-keeping material body, a middle reserved cavity is formed by the front-side wrapping material and the back-side wrapping material in a peripheral hot-pressing mode, and the middle reserved cavity is filled with an alcohol fresh-keeping material body. Ventilation micropores are formed in the front surface wrapping material. Each of the front-side surface profile and the back-side surface profile consists of a high-temperature-resistant printing layer, a composite connecting layer and a heat-sealing layer; the high-temperature-resistant printing layer is an outer surface layer and is formed by any combination of PET, OPP, CPP, NY and TQPE in a co-extrusion mode, a plurality of breathable micropores are evenly formed in the high-temperature-resistant printing layer, and volatilization of alcohol is controlled through the size of the pore diameter and a matrix; the packaging film formed by extruding macromolecules ensures that alcohol is air-permeable and liquid-impermeable during volatilization, the volatilization speed can be adjusted, the situation that the taste of food is affected by overhigh local alcohol concentration is not easily caused, and meanwhile, the food can be kept fresh for a long time.

The invention relates to a full-automatic circulating canal scalding pool for pig slaughtering, and belongs to the field of livestock slaughtering, the full-automatic circulating canal scalding pool comprises a scalding pool body, a water pump circulating pipeline, an inlet descending track, an outlet lifting track, a double-hinge strip, a supporting cross beam frame, a pig pressing device, a hook chain, a scalding pool shield and a drainage pipeline, the turning position of the scalding pool is of a semi-arc structure, turning is smoother, and cross collision is reduced; the water pump circulation pipeline enables the water pumping and draining direction to be consistent with the water flow direction, automatic circulation of water flow in the scalding pool is achieved, the water flow heating effect is improved, the heating time is shortened, meanwhile, faster reverse water flow can keep backward pulling force of a pig body on a hook, and unhooking is avoided. The novel double-hinge strip with side guiding is used, and two corner wheels are removed, so that the operation is more stable; the front end and the rear end of the scalding pool are communicated, so that water flow in the scalding pool can integrally flow circularly, the uniformity of water temperature and the heating efficiency of pig carcasses are improved, the heating time is shortened, and the freshness of meat is improved.

The invention provides an air conditioner and a control method of the air conditioner, the air conditioner comprises a machine shell, an evaporator, a multi-ion sterilization module and a humidifier, the machine shell is provided with an air duct and an air outlet communicated with the air duct, at least one part of the evaporator is arranged in the air duct, the multi-ion sterilization module is arranged in the air duct, and the humidifier is arranged in the multi-ion sterilization module. At least one multi-ion sterilization module is arranged on one side of the air inlet end of the evaporator, at least another multi-ion sterilization module is arranged between the evaporator and the air outlet, the humidifier is arranged on the machine shell, and a mist outlet of the humidifier is communicated with the air channel and arranged on one side of the air inlet end of the evaporator. According to the air conditioner, the multi-ion sterilization module and the humidifier are arranged in the air duct, and the mist outlets of the multi-ion sterilization module and the humidifier are formed in the front end of the evaporator, so that the cleanliness and the sterilization effect of air can be effectively improved, and the comfort level of a user is improved; therefore, the problems that in the prior art, an air conditioner is low in sterilization efficiency and prone to causing secondary pollution are solved.

The utility model provides a fresh-keeping device and a refrigerator, and the fresh-keeping device comprises a fresh-keeping container which is provided with a containing space used for containing fruit and vegetable food; the humidifying assembly is used for humidifying the fruit and vegetable food; and the refrigerating assembly is used for blowing cold air towards the accommodating space and cooling water in the humidifying assembly, so that the humidifying assembly generates water mist with a preset temperature to perform cold shock treatment on the fruit and vegetable foods. By performing low-temperature humidification on the fruit and vegetable food, cold shock treatment on the fruit and vegetable food can be achieved, physiological resistance of fruits and vegetables is induced through cold stress, the pre-cooling effect is achieved, the cold resistance and disease resistance of the fruits and vegetables can be improved, and compared with low-temperature storage in the prior art, the surface water content of the fruits and vegetables can be guaranteed to prolong the preservation time; and the fresh-keeping effect on the fruit and vegetable foods can be improved.

The utility model provides a curtain which comprises an upper curtain rod, a lower curtain rod, a first curtain body, a second curtain body, a pull rope and a rope winder. The first curtain body and the second curtain body are oppositely arranged front and back, the first curtain body is a Roman curtain, the second curtain body is a pleated blind or a honeycomb blind, and the second curtain body comprises a plurality of folding units which are sequentially connected up and down; at least part of the folding units in the second curtain body are connected with the first curtain body; the rope winder is fixedly arranged in the upper curtain rod, one end of the pull rope is connected with the rope winder, the other end of the pull rope is connected with the lower curtain rod, and the pull rope is connected with the folding units in the second curtain body at the same time. The curtain is provided with two different types of curtain bodies for users to select and use, so that different requirements of the users are met, and the attractiveness of the curtain can be improved.

The invention is suitable for the technical field of vehicle control, and provides a control method and system for a vehicle-mounted atmosphere lamp, and the method comprises the following steps: obtaining image data of members in a vehicle through an image collection device disposed in the vehicle, and obtaining the basic information of the members in the vehicle according to the image data; inputting the basic information into a trained prediction model to obtain preference information of the members in the vehicle, wherein the preference information is color preference of the members in the vehicle; obtaining specified color information according to the preference information by utilizing an algorithm, wherein the specified color information comprises a plurality of colors determined by RGB (Red, Green, Blue) values; and generating a light control instruction according to the specified color information through the cloud service and issuing the light control instruction to a central control system of the vehicle. According to the invention, the atmosphere lamp can be adjusted according to the members in the vehicle by using a scientific algorithm, and the light of the atmosphere lamp can be continuously and automatically adjusted.

The invention provides a multi-farm picking and distribution integrated scheduling method based on an improved artificial bee colony algorithm, and relates to the technical field of agricultural product supply chain management and optimization, and the method comprises the steps: setting a constraint condition for a multi-farm picking and distribution integrated scheduling problem; defining an agricultural product freshness loss function; defining two objective functions, including an operation cost minimization function and a customer satisfaction maximization function; based on the constraint condition and the objective function, establishing a dual-objective model of multi-farm picking and distribution integrated scheduling; and solving the dual-objective optimization model to obtain an optimal solution set, and performing agricultural product scheduling according to picking and distribution information in the optimal solution set. According to the invention, picking and distribution links are effectively integrated, the operation cost is reduced, the freshness of agricultural products is guaranteed, the service satisfaction is improved, and an innovative and efficient solution is provided for an agricultural product supply chain in a community-supported agricultural mode.

The present invention relates to the field of fresh-keeping technology, and in particular to a fruit, vegetable and flower fresh-keeping package. The fruit, vegetable and flower fresh-keeping package is prepared from the following components: sodium chlorite, a modified activator, an ethylene inhibitor and auxiliary materials, wherein the modified activator is obtained by encapsulating an organic acid activator with sulfonated β-cyclodextrin and then encapsulating chitosan. The fruit, vegetable and flower fresh-keeping package provided by the present invention realizes efficient and long-term fresh-keeping of fruits, vegetables and flowers, and has broad market potential and application prospects.

The invention belongs to the technical field of biological bacteriostasis and food packaging materials, and particularly relates to a carboxymethyl chitosan-covalent organic framework-nano-silver composite material and a preparation method and application thereof. According to the preparation method of the carboxymethyl chitosan-covalent organic framework-nano-silver composite material, provided by the invention, a metagen is adopted as a reducing agent, and AgNPs is synthesized through a biological method; the COF-AgNPs composite material is prepared by an in-situ growth method, and the ordered porous structure of the COF provides specific constraint for the AgNPs, so that aggregation of the AgNPs is effectively avoided; in addition, COF-AgNPs is added into a CMCS matrix, so that the film-forming ability of the COF-AgNPs is enhanced, and the CMCS matrix is endowed with excellent antibacterial performance and mechanical performance. Therefore, the composite film material prepared by adopting the preparation process can effectively improve the fresh-keeping effect of fruits and vegetables, and has a good application prospect in the field of packaging film materials for fruit and vegetable fresh-keeping.

The invention discloses a food packaging bag and a preparation method thereof, and belongs to the technical field of packaging bags, the food packaging bag is prepared from the following raw materials in parts by weight: 28-38 parts of polylactic acid, 2-12 parts of poly-2, 5-butylene furandicarboxylate, 2-5 parts of POSS-based compatibilizing component and 0.6-1.2 parts of modified zero-valent nano-iron, the preparation method of the packaging bag comprises the following steps: mixing the polylactic acid, the poly-2, 5-butylene furandicarboxylate, the POSS-based compatibilizing component and the modified zero-valent nano-iron, and uniformly stirring; the preparation method comprises the following steps: respectively drying 1, 3, 5-butylene furandicarboxylate in an oven at 80 DEG C for 12 hours, then adding the dried 1, 3, 5-butylene furandicarboxylate, the POSS-based compatibilizing component and the modified zero-valent nano-iron into a mixer, stirring for 30 minutes, transferring into a screw extruder, carrying out melt extrusion to obtain composite material particles, preparing the composite material particles into a food packaging film by adopting a tape casting method, and then cutting to obtain the food packaging bag. The packaging bag not only has good biodegradability, but also has good mechanical properties and an excellent fresh-keeping effect.

The invention relates to the technical field of food fresh-keeping materials, and discloses a preparation method of an intelligent response degradable fruit and vegetable fresh-keeping film based on a Janus structure, the intelligent response degradable fruit and vegetable fresh-keeping film comprises a hydrophobic layer and a hydrophilic layer, the hydrophobic layer is an electrostatic spinning film formed by compounding eugenol-loaded ZIF-8 nano-particles and polylactic acid, and the hydrophilic layer is an electrostatic spinning film formed by compounding eugenol-loaded ZIF-8 nano-particles and polylactic acid. The hydrophilic layer is an electrostatic spinning membrane formed by compounding chitosan and gelatin, the surface of the hydrophobic layer is covered with the hydrophilic layer through an electrostatic spinning technology, the ZIF-8 nanoparticles are synthesized through a room-temperature stirring method, and synthesis raw materials are a 2-methylimidazole methanol solution and a zinc nitrate methanol solution. By means of the pH response characteristic of the ZIF-8 nano-particles, pH value change signals generated in the early stage of fruit and vegetable putrefaction can be sensitively captured, loaded antibacterial components are accurately released through ZIF-8 framework dissociation, targeted inhibition on putrefying bacteria is achieved, passive protection is converted into active intervention, the fruit and vegetable putrefaction process is effectively delayed, the fresh-keeping effect is improved, and the fresh-keeping time is prolonged.

The invention relates to the technical field of smoking equipment, and particularly discloses a smoking oven for smoked flavor products and a manufacturing process thereof, and the smoking oven comprises a box body, a bearing mechanism, a smoking mechanism and a dirt brushing mechanism. A water tank, a spray head, a bearing assembly and a dirt brushing assembly are arranged in the box body, the bearing assembly comprises a side support, a driving rotating roller and a driven rotating roller, and the dirt brushing assembly is used for cleaning the bearing assembly. The smoking mechanism generates smoke through the heating box, and the circulating fan enables the smoke to flow for smoking. The technical effects that the smoking efficiency is improved, the cleaning process is simplified, and the sanitary level is improved are achieved.

The invention discloses a composite antioxidant enhancer containing rosmarinic acid and a preparation method of the composite antioxidant enhancer, relates to the technical field of food, and aims to solve the problem that the existing food fresh-keeping antioxidant in the prior art is relatively single in component and incomplete in antioxidant capacity, so that the effect in daily food fresh-keeping is not very good. Comprising the following components: 5% of rosemary essential oil, 20% of tea polyphenol, 15% of aloe polysaccharide, 5% of curcumin, and the balance of food-grade glycerin as a carrier, the composite antioxidant enhancer is prepared through an enhancer preparation device, and the enhancer preparation device comprises a mixing tank. The lower ends of the multiple fixing rods extend to the lower end in the mixing tank and are jointly and fixedly connected with a shearing pipe, the middle of the lower end of the supporting plate is rotationally connected with a rotating pipe, and the lower end of the rotating pipe extends to the upper end in the shearing pipe and is fixedly connected with a first spiral blade; the lower end of the rotating shaft extends out of the lower end of the rotating pipe and extends to the lower end in the shearing pipe to be fixedly connected with a third spiral blade.

The utility model relates to the field of energy storage devices, and discloses a phase change energy storage device which comprises a shell, a plurality of partition plates are fixed on the inner wall of the shell, a plurality of through holes are formed in the right sides of the partition plates, metal pipes are fixed on the inner walls of the through holes, ventilation pipes are fixed on the inner walls of the metal pipes, and the ventilation pipes are fixed on the inner walls of the metal pipes. A plurality of containing boxes are arranged on the inner wall of the shell at intervals, the containing boxes are arranged at intervals through partition plates, a plurality of limiting grooves are formed in the bottom faces of the containing boxes, the limiting grooves and the metal pipes are arranged in a sliding mode, the top face of the shell is rotatably connected with a protection plate through hinges, and a fixing ring is fixed to the bottom face of the protection plate. According to the phase change energy storage device, the inner cavity of the shell can be partitioned through the partition plates, so that the placement box can be placed between the partition plates, a worker can conveniently place and add the placement box and the energy storage material according to the phase change energy storage requirement, and then the energy storage material can fully absorb and discharge energy.

The invention provides an information display method and device in a game, equipment and a storage medium, and the information display method can adjust a virtual terrain and / or game resources configured in a target game scene corresponding to a target game map according to historical game data of game games performed through the target game map. Therefore, the virtual terrain and the game resources configured in the target game scene are not unchanged any more, the game content is enriched, the problem that the game content is seriously templated is solved, and the feeling of freshness of a player to the game is improved.

The invention discloses an environment-friendly cold chain circulation heat preservation carton, and relates to the technical field of heat preservation cartons, the environment-friendly cold chain circulation heat preservation carton comprises a cold chain box, a heat insulation and preservation layer and a phase change layer are arranged in the cold chain box, the heat insulation and preservation layer is located on the outer side of the phase change layer, the heat insulation and preservation layer is aerogel heat insulation felt, and the phase change layer is filled with fatty acid; according to the invention, the fatty acid phase-change material filled in the phase-change layer can sensitively sense the temperature change in the box and generate phase change in time, when the temperature rises, solid fatty acid is converted into liquid fatty acid, and a large amount of heat is absorbed to prevent the temperature from rising rapidly; and when the temperature drops, the liquid fatty acid turns back to the solid state to release heat, so that the temperature drop speed is slowed down, the temperature in the box is always maintained in an appropriate stable interval, the fresh-keeping time of the cold-chain transportation articles is greatly prolonged, and the quality and safety of the articles are not influenced by temperature fluctuation.

The utility model belongs to the technical field of cooking utensils, and provides a cooking utensil with a splash-proof pot cover, which comprises a pot body and the pot cover, the pot body and the pot cover are provided with a detachable bolt connecting structure, an upper pin rod or an upper pin groove is transversely arranged on the pot cover, a lower pin groove or a lower pin rod is longitudinally and upwards arranged on a pot opening of the corresponding pot body or the outer side of the pot opening, and the upper pin rod and the lower pin rod are connected through bolts. When the pot cover is opened upwards relative to the pot body, the bottom face of the pot cover is turned over to be vertical relative to the plane of a pot opening, and the upper pin rod or the upper pin groove is located on the lower portion of the pot cover and faces downwards vertically, the upper pin rod and the lower pin groove or the upper pin groove and the lower pin rod form a detachable bolt connecting structure. The pot cover can be vertically and stably placed above the side edge of the pot opening of the pot body, and a partition is formed between the pot opening and a cook, so that the harm of hot oil water splashed from the pot body and oil smoke emitted from the pot body to the cook is reduced.

The invention relates to the technical field of tea processing equipment, in particular to asparagus tea production equipment and a manufacturing process thereof.The asparagus tea production equipment comprises a support body, the support body is rotatably connected with a supporting plate at one end, the asparagus tea production equipment further comprises two supporting seats, first lantern rings are fixed to the top ends of the supporting seats, and the supporting seats are oppositely arranged on the supporting plate; under the action of the heat energy recovery mechanism and the dehumidification mechanism, hot air flow in the rotary cylinder preheats asparagus raw materials in the feeding hopper after dehumidification, high-purity alumina fibers can greatly reduce heat loss in the rotary cylinder, heat energy generated by the equipment is efficiently utilized, and compared with traditional equipment, more energy is saved; the hot air flow heats the asparagus raw materials from outside to inside, and the microwaves can heat the asparagus raw materials from inside to outside, so that the fixation efficiency is greatly improved, and the uniform heating effect enables the finished asparagus tea to be good in color and high in freshness.

The invention discloses a Nile blue dye and a preparation method thereof, a preparation method of a packaging film based on the prepared dye and application of the dye and the packaging film, and belongs to the technical field of food monitoring and preservation. Based on a Nile blue parent structure, different heavy atoms are introduced into a meso-position, and alkyl chains with different chain lengths are introduced into an amino position, so that various photosensitive dyes with pH response and photodynamic therapy capability are constructed. By comparing various heavy atom substitution structures, the dye I and the dye II have certain sensitivity to the pH value of a solution, and the sulfo-dye packaging film and the seleno-dye packaging film both show excellent antibacterial ability to escherichia coli. The dye I packaging film and the dye II packaging film have excellent bacteriostatic activity on escherichia coli. Visual detection of the rotting process of fresh shrimps and preservation of bananas can be realized.

The invention discloses a preservative film as well as a preparation method and application thereof, and the preparation method comprises the following steps: preparing ascorbic acid carbon quantum dots; preparing an acetic acid solution of chitosan; the ascorbic acid carbon quantum dots and an acetic acid solution of chitosan are mixed to obtain a film forming solution, and the film forming solution is dried to form the preservative film. The preservative film prepared by the invention is used for fruit preservation, and can inhibit the growth of mould in fruits, reduce the weight loss ratio of the fruits, slow down the reduction of soluble solids in the fruits, and realize a better fruit preservation effect.

The invention provides a fruit growth regulator and bacteriostatic preservative as well as a preparation method and application thereof, and belongs to the technical field of preservation, pomace is taken as a raw material, and pomace microfibrillated cellulose, pectin and seed oil containing phenolic substances are extracted through organic acid treatment, DES reagent auxiliary mechanical treatment, ethanol water treatment and other treatments; then carrying out hydroformylation modification on nano cellulose, grafting chitosan, and compounding with pectin to obtain dialdehyde microfibrillated cellulose-chitosan-pectin composite particles with pH response performance, and taking the dialdehyde microfibrillated cellulose-chitosan-pectin composite particles as a stabilizer of a Pickering emulsion; the green growth regulator solution is used as a continuous phase, the seed oil mixed Chinese herbal medicine extract is used as a dispersion phase, the controlled-release Pickering emulsion with growth regulation and bacteriostasis effects is prepared, the prepared emulsion is sprayed on berries to form a film layer, the growth process of the berries can be regulated, the fruit yield and quality are improved, and the quality of the berries is improved. And antibacterial substances can be slowly released for preservation when berries are picked and stored.

The invention belongs to the field of agriculture, and particularly relates to a wild vegetable natural composite preservative and a preparation method thereof, the wild vegetable natural composite preservative is prepared from the following raw materials by weight: 0.6-0.9 part of a mixed flavone extract, 1-2 parts of L-malic acid, 2-3 parts of sodium lactate, 10-20 parts of a glucose solution, and 20-30 parts of glycerin. The natural composite preservative is prepared by adopting a method for extracting flavone from plants, and the prepared product is healthy and safe to use and has excellent preservative and fresh-keeping effects. L-malic acid is used as a pH regulator, so that the pH value of the preservative can be maintained in a proper range, the growth of microorganisms and the activity of enzymes are inhibited, and the preservation effect is further improved.

The invention discloses a logistics traffic control method based on the Internet of Vehicles, and belongs to the technical field of logistics management, and the method specifically comprises the steps: respectively collecting fruit images of fruits in different variety regions, and recognizing the freshness of different varieties of fruits through a pre-constructed freshness recognition model; the method comprises the following steps: collecting freshness data of fruits at fixed time intervals, and generating a fitting curve of freshness of different varieties of fruits along with time change in real time; predicting the expected freshness of the fruits of each variety when reaching the corresponding destination, and if the expected freshness of the fruits in any region is lower than a set threshold value, marking the fruits in the region as fruits to be processed; acquiring the difference between the predicted time and the current time when the freshness of the fruits to be processed is equal to a set threshold value, calculating the predicted position of the logistics vehicle at the predicted time, backtracking other destinations closest to the predicted position, and taking the destinations as standby destinations; according to the invention, a more flexible processing mode for fruits carried by the logistics vehicle is realized.

The invention discloses a porous in-situ microfiber modified atmosphere preservative film as well as a preparation method and application thereof. The nanofiber porous film is prepared by combining an in-situ fiber forming technology with a solvent etching method, a good fresh-keeping effect of different fruits and vegetables is achieved by regulating and controlling the microstructure of the nanofiber porous film and accurately controlling the gas transmission rate, the fruits and vegetables can be kept fresh for 3-58 days, and a new method is provided for preparing the high-performance nanofiber porous fresh-keeping film. Meanwhile, the influence of the viscosity ratio, the fiber phase content, the traction rate and the rolling rate on the physical performance and the preservation effect of the preservative film is researched, and reference is provided for parameter selection of the porous in-situ microfiber modified atmosphere preservative film.

The utility model relates to a fresh air deodorization and sterilization treatment system which comprises a treatment shell, one side of the treatment shell is connected with an outdoor fresh air inlet, the other side of the treatment shell is connected with an indoor air supply outlet, and the indoor air supply outlet supplies air indoors by being connected with an air distribution box and a jet flow air opening. A filter screen mechanism is slidably connected into the treatment shell located at the outdoor fresh air inlet, a deodorization assembly is slidably connected into the treatment shell located at the indoor air supply outlet, and a turbofan, a heat exchanger and an ion generator are sequentially connected into the treatment shell located at the filter screen mechanism and the deodorization assembly. According to the utility model, the filter screen and the activated carbon plate can be quickly replaced, so that indoor air is always fresh and natural.

A fruit and vegetable food preservation device based on a composite polysaccharide film, relating to the field of fruit and vegetable food processing technology, includes a first inclined plate (1) and a second inclined plate (6) disposed at the lower inclined end of the first inclined plate (1). The first inclined plate (1) and the second inclined plate (6) are both fixedly connected to the base plate (7) by support columns. A U-shaped frame plate (601), a dispensing mechanism (4) and a heat sealing mechanism (5) are arranged sequentially above the second inclined plate (6) from the upper inclined end to the lower inclined end. The bottom surfaces of both ends of the U-shaped frame plate (601) are fixedly connected to the second inclined plate (6). The dispensing mechanism (4) includes an L-shaped plate (401), a partition plate (402) and a first heating strip (403). Multiple partition plates (402) are arranged in a horizontal array on one side of the opening of the L-shaped plate (401). The upper ends of multiple partition plates (402) are fixedly connected to the same crossbar (4022). The device can quickly and efficiently encapsulate composite polysaccharide films in fruit and vegetable processing, and can also quickly wipe and dehydrate fruits and vegetables after washing, ensuring thorough cleaning and effectively improving the freshness of fruit and vegetable products.

The invention provides a cake raw material pre-preparation device capable of improving freshness and tenderness, the cake raw material pre-preparation device comprises a base, a mixing device and a whipping device, and the mixing device and the whipping device are fixedly mounted on the base; the mixing equipment comprises a primary stirring pipeline, and the whipping equipment comprises a secondary whipping pipeline; the output end of the primary stirring pipeline is connected with the input end of the secondary stirring pipeline through a reducer pipe; and the inner diameter of the reducer pipe is gradually reduced in the direction from the primary stirring pipeline to the secondary stirring pipeline. The raw materials processed by the cake raw material pre-preparation device are fine and soft in texture and good in softness and expansibility, and then cakes with high freshness and tenderness can be baked.