130results about How to "Maintain quality" patented technology

The invention relates to the technical field of plant extraction, in particular to an intelligent plant extraction control method and system, and the method comprises the following steps: based on historic plant extraction data, including temperature, pressure and pH value during extraction, analyzing the long-term trend of parameters, predicting the requirements of plant extraction conditions by simulating parameter reactions under various conditions, and obtaining a plant extraction result; and obtaining a parameter prediction result. According to the method, long-term trend prediction of parameters such as temperature, pressure and pH value is realized through analysis of historically recorded plant extraction data, so that the parameters of extraction equipment are adjusted in advance, changes of different plant materials and environmental conditions are effectively adapted, the extraction efficiency is optimized, and by dynamically simulating the expression of the extraction efficiency in various time periods, the extraction efficiency is improved. According to the innovative scheme, an optimal extraction time window is mined, resource consumption and extraction time in the extraction process are reduced, and meanwhile the quality and consistency of extracts are kept.

The invention provides a high-barrier fresh-keeping low-temperature heat-sealing composite film and a manufacturing process and application thereof, the composite film sequentially comprises a heat-sealing layer, a barrier layer, a reinforcing layer and a surface treatment layer from the inner layer to the outer layer, and the layers are bonded through bonding layers. The heat-sealing layer is prepared from modified polyethylene, polypropylene and a heat-sealing auxiliary agent, and the barrier layer is made of a composite material of nano aluminum oxide, polyvinylidene fluoride and an ethylene-vinyl alcohol copolymer. The enhancement layer is a polyester film, and the surface treatment layer is subjected to corona treatment. The composite film is prepared through a specific manufacturing process, and the specific manufacturing process comprises the steps of preparation of the heat sealing layer and the blocking layer, compounding, curing treatment, surface treatment and the like. The composite film disclosed by the invention has excellent barrier property and low-temperature heat-sealing capability, is suitable for vacuum packaging or modified atmosphere packaging of foods, and effectively prolongs the fresh-keeping period and the shelf life of the foods.

The utility model provides an air cooling mechanism for aluminum ingot grain refinement, and relates to the technical field of grain refinement. A water cooling mechanism and an electromagnetic stirring mechanism are arranged on the lower portion of the forming groove, a sealing cover is connected with the forming groove in a covering mode, matched sealing check rings are arranged on the edge of the top of the forming groove and the edge of the bottom of the sealing cover respectively, a second air inlet pipe and a second air outlet pipe are communicated with the sealing cover, and the second air inlet pipe and the second air outlet pipe are communicated with a cold air unit. And nitrogen circularly flows in the cold air unit and the sealing cover. Impurities and oxygen are prevented from being mixed into molten aluminum in the air cooling process.

The invention discloses a distillation purification method for preparing a silane coupling agent, and belongs to the technical field of preparation of silane coupling agents. The distillation and purification method for preparing the silane coupling agent comprises the following steps: step 1, mixing a silane coupling agent crude product, tetrahydrofuran, an organic antioxidant and an auxiliary agent, heating, mixing and stirring to obtain a mixture; 2, adding the mixture into a distillation tower, heating and distilling, controlling the heating temperature and the distillation rate, and ensuring stable and continuous evaporation and condensation of the silane coupling agent; and 3, collecting the condensed liquid into a collector, separating the liquid, filtering, and drying to obtain the silane coupling agent. According to the method, the product purity and yield of the silane coupling agent can be effectively improved.

The invention discloses a sheet metal part welding tool and a welding method thereof, relates to the technical field of sheet metal part machining, and aims to solve the technical problem that when a current welding tool fixes a sheet metal part, the sheet metal part is prone to damage and deformation, and the sheet metal part welding tool comprises a workbench, welding equipment installed on the workbench and a movable machining platform assembly installed on the workbench. The workpiece taking assemblies are mounted on the two sides of the workbench; the part taking assembly comprises mechanical arms installed on the two sides of the workbench and adsorption assemblies installed at the output ends of the mechanical arms. The adsorption assembly comprises an adsorption plate, adsorption holes, a guide pipe and a vacuum pump; a cavity is formed in the adsorption plate, and the multiple adsorption holes are formed in one side of the adsorption plate and distributed in an annular array mode. The sheet metal parts are grabbed in a vacuum adsorption mode, and the appearance quality and the surface integrity of the sheet metal parts can be kept easily.

The invention provides secondary modified silica sol and a preparation method and application thereof.The secondary modified silica sol is prepared from silica sol, a primary modified component, a secondary modified component and water, the primary modified component comprises mPEG5K-silane and poloxamer 188, and the secondary modified component comprises waterborne acrylic emulsion and span 80; the specific raw materials are adopted to carry out secondary modification on the silica sol, so that the obtained secondary modified silica sol is large in viscosity and high in adhesion, the casting back layer slurry containing the secondary modified silica sol is high in wet strength, the collapsibility of an investment casting back layer is improved, the residual strength of a shell is reduced, the quick-drying effect is strong, and the service life of the casting back layer slurry is prolonged. And in the subsequent sand cleaning process, the shell can be vibrated quickly, the residual sand powder is extremely little, the quality and performance of the material are effectively kept, the surface quality of the casting is good, the production efficiency is greatly improved, and the manufacturing cost is saved.

The invention relates to the technical field of LED semiconductor manufacturing, solves the problem that in the prior art, quality and consistency cannot be kept in the packaging and storage process of finished LED semiconductors, and provides an LED semiconductor production data tracing analysis method and system. The method comprises the steps that according to a unique identifier of a finished LED semiconductor, a taping scheme is obtained, and the taping scheme comprises a taping mode and a taping position; the finished LED semiconductor is subjected to braiding treatment according to the braiding scheme, and an LED light bar is obtained; the LED light bar is subjected to quality detection, a quality detection result is obtained, and quality detection comprises optical detection, electrical detection and mechanical detection; generating a unique identifier corresponding to the LED light bar passing the quality detection; and according to the unique identifier and the corresponding quality inspection result, carrying out warehousing processing on the LED light bar to obtain an LED product. The quality and the consistency can be kept in the packaging and storing process of finished LED semiconductors.

An efficient water-saving type automatic fish scale cleaning machine comprises a main machine frame, two net-shaped conveying belts and two high-pressure nozzles, a conveying mechanism is installed in the main machine frame, and the two net-shaped conveying belts are rotatably installed on the periphery of the conveying mechanism; the efficient water-saving type automatic fish scale cleaning machine has obvious advantages and remarkable benefits in the modern aquatic product processing industry, the unique upper and lower conveying mechanisms are matched with a high-pressure spray-washing mechanism, and a fine-tuning stainless steel net-shaped conveying belt is arranged, so that high-pressure water flow can directly and uniformly act on each part of a fish body, and the fish scale cleaning efficiency is improved. The height of the conveying mechanism can be adjusted according to fish bodies of different sizes and shapes, the cleaning efficiency is ensured, meanwhile, damage to fish meat is reduced to the maximum extent, rapid and comprehensive cleaning of the two faces of the fish bodies can be achieved, the scaling efficiency is remarkably improved, the cleaning process is optimized, damage to the fish bodies is reduced to the maximum extent, and the service life of the fish bodies is prolonged. The integrity and the quality of the fish meat are kept.

The invention provides a fresh tilapia mossambica block preservative and a preparation method thereof, the fresh tilapia mossambica block preservative comprises the following raw materials: natural plant extract, modified biological polysaccharide, organic acid, natural antibacterial peptide, a humectant, deionized water and the like, and propolis extract and astaxanthin can be selected to enhance the effect; wherein the natural plant extract is corncob, zingiber mioga and tartary buckwheat bran extract; the modified biological polysaccharide is obtained by modifying chitosan quaternary ammonium salt, laminarin, cell wall polysaccharide and carboxylic acid. The fresh-keeping agent is prepared through ultrasonic mixing, multilayer electrostatic deposition and other technologies, through the synergistic effect of all the raw materials, a multilayer coating structure is formed through electrostatic deposition, microbial growth can be inhibited, gas exchange can be controlled, water loss can be reduced, the fresh-keeping period of tilapia mossambica blocks can be effectively prolonged, and the quality of the tilapia mossambica blocks can be kept.

The invention relates to the technical field of food packaging, in particular to an antibacterial fresh-keeping packaging film for food packaging and a preparation method of the antibacterial fresh-keeping packaging film, and aims at solving the problems that a traditional food packaging film is insufficient in antibacterial performance and not ideal in fresh-keeping effect. According to the preparation method, polyethylene resin and polylactic resin are taken as main raw materials, so that the packaging film is endowed with excellent mechanical property and barrier property, the oxidation process of food can be slowed down, the damage of oxygen to the food is reduced, the loss of nutritional ingredients in the food is prevented, and the freshness and nutritional ingredients of the food can be effectively kept; the modified nano-silver particles are added into the food, so that the growth and metabolic activities of microorganisms such as various bacteria and molds can be effectively inhibited, the risk that the food is polluted by the microorganisms is remarkably reduced, the deterioration of the food due to microbial decomposition is avoided, and the food quality is improved. Therefore, the quality and taste of the food are better maintained, and the shelf life of the food is prolonged.

The invention relates to the technical field of weld joint dynamic modeling, in particular to a thin-wall shell weld joint dynamic modeling method based on a common shell unit, which comprises the following steps of: S1, dispersing the middle surface of a welding part by a global shell grid, and simulating a weld joint by using a CSE instead of a rigid connection unit; s2, simplifying the modeling process of the CSE by adopting a grid common node processing method; s3, constructing an interface shell unit to replace part of GSM on the two sides of the welding area, and achieving the grid consistency requirement; s4, the CSE welding seam modeling method is applied to welding of the thin-wall shell for dynamic simulation analysis; and S5, performing result verification and adjustment on the data obtained by simulation in the step S4. According to the method, the ISE unit is introduced to meet the grid consistency requirement of the non-matched connection interface; building a weld joint dynamic model based on a CSE and RE modeling method, and carrying out dynamic simulation analysis and experimental research; the problem that the finite element analysis accuracy is affected due to the fact that an existing connecting unit cannot accurately simulate the real characteristics of weld joints is solved.

The invention provides a source code compiling method and device, computer equipment and a readable storage medium, and aims to solve the problems that in components in an existing code bin, due to the fact that modification does not have an independent submission record, information of all component versions is lost, it cannot be determined that each modification is compatible with current modification, and the compatibility between the current modification and the current modification is poor. And the version management of the code library is very disordered. The method comprises the following steps: acquiring identification information corresponding to a plurality of code libraries to be managed; code storage bins and modification information storage areas corresponding to a plurality of code libraries are generated according to the identification information, each code library runs in the code storage bin, and the modification information storage areas are stored in the code storage bin; when first modification information of at least one code library in the code storage bin is received, generating a corresponding binary component according to the first modification information; and adding the binary component to the modification information storage area according to the identification information of the code library corresponding to the first modification information to complete compiling of the source code in the code storage bin.

The invention discloses application of a natural inducer in fruit preservation, and particularly relates to the technical field of fruit preservation. According to the application of the natural inducer in fruit preservation, the natural inducer is used as an active ingredient to inhibit growth of botrytis cinerea on fruits and induce immune systems of the fruits to enhance active oxygen metabolism; the natural inducer is theanine; the fruits are kiwi fruits. When the natural inducer provided by the invention is applied to fruit preservation, a relatively good preservation effect can be exerted on kiwi fruits.

The invention discloses a multi-image wide-angle splicing and black edge removing method and system, and the method mainly comprises the steps: carrying out the preprocessing of a plurality of to-be-spliced images, carrying out the optimization processing of the brightness of black pixels in the images, guaranteeing the image quality and integrity of the images in the environments of strong light, weak light and dark light, and improving the image quality. According to the method and the system, the similar feature points in the images are paired by using an ORB feature detection algorithm, the real-time performance of the spliced images is improved, the splicing relationship among the images is determined, the visual consistency of the spliced images is improved, the quality of the spliced images is not damaged in a weak light environment, and the adaptive capacity of the system in different scenes is ensured.

The invention discloses a text embedding optimization-based sensitive content filtering and defending method for a text generation graph model, and relates to the technical field of large model security. The method comprises the steps of preparing a positive and negative sample data set and a common data set; parameters of a text encoder are adjusted, and a teacher-student model is used for training; stabilizing a text encoder by using a common data set; and designing a comprehensive loss function, performing training optimization in combination with the plurality of data sets to generate an adjusted student model, and generating a final security image through text embedding. According to the method, when text input containing sensitive vocabularies is processed through fine tuning of a text encoder, text embedding of the sensitive vocabularies is converted into text embedding of corresponding benign vocabularies, and the benign text embedding is used for guiding generation of a security image; on the premise of not changing the model generation capability, the generation of images containing sensitive pornography or other images protected by copyright by the text graph model is avoided, and the effective filtering, conversion and defense of sensitive contents are realized.

The utility model discloses a flat plate type chassis of an agricultural unmanned trolley, which belongs to the technical field of agricultural vehicle parts, aims at solving the problem that the loss rate of crops is increased due to the fact that the agricultural vehicle generates large vibration in the driving process, and comprises a chassis frame, and two front wheels are rotatably arranged at the bottom of the chassis frame close to the front end. Two rear wheels are rotatably mounted at the positions, close to the rear end, of the bottom of the chassis frame, the cushioning mechanisms, the transverse cushioning springs and the longitudinal cushioning springs are matched, under the action of the pipe sleeves and the damping rods, vibration borne by the box body can be buffered, the situation that the vibration is transmitted into the storage box from the chassis can be effectively reduced, and the storage box is convenient to use. By means of the technical scheme, the vehicle can run more stably, the stability and safety of crops in the transportation process are improved, the crops can be prevented from being excessively squeezed, collided and damaged in the transportation process, and especially for easily-damaged fruits and vegetables, the shape and quality of the fruits and the vegetables can be kept, and the loss rate is reduced.

The utility model discloses camellia seed raw material heat dissipation equipment, and belongs to the technical field of camellia oil production. Camellia seed raw material heat dissipation equipment comprises a liquid storage box, a material storage box is arranged above the liquid storage box, a top cover is hinged to the top of the material storage box through a hinge, a rotating rod is rotationally arranged at the top of the liquid storage box through a bearing, and the material storage box is connected with the rotating rod through a connecting piece; a motor for driving the rotating rod to rotate is mounted on the liquid storage tank, and a liquid spraying mechanism for cooling the camellia seeds is arranged on the liquid storage tank; through the arrangement of the connecting piece, the material storage box can be taken down, camellia seeds can be conveniently put in and taken out, through the arrangement of the rotating rod and the motor, the material storage box and the camellia seeds can be driven to rotate, heat in camellia seed raw materials can be rapidly dissipated by accelerating air flow, the heat dissipation efficiency is improved, and through the arrangement of the liquid spraying mechanism, the heat dissipation efficiency is improved. When the material storage box rotates, cold water can be synchronously and intermittently sprayed into the camellia seed raw materials.

The utility model discloses a high-temperature-resistant anti-drop anti-counterfeit label, which comprises backing paper, an anti-counterfeit label body, a protective layer, a first heat-resistant layer, a first sticking area and a second sticking area, the anti-counterfeit label body is stuck on the backing paper, a wear-resistant layer and the protective layer are arranged on one side of the anti-counterfeit label body, and the protective layer is arranged on the other side of the anti-counterfeit label body. And a first sticking area and a second sticking area are arranged on the bottom surface of the second heat-resistant layer. Through the arrangement of the first heat insulation layer, the heat dissipation layer and the second heat insulation layer, the influence of external high temperature on electronic elements in the label can be effectively reduced through the arrangement of the two heat insulation layers, the electronic elements are prevented from being damaged or losing efficacy due to overheating, heat generated in the label can be rapidly dissipated out through the heat dissipation layer, and the heat dissipation effect is good. The heat is prevented from being accumulated in the label, so that the anti-counterfeit label can better resist the behavior that a counterfeiter destroys or tampers the anti-counterfeit information by means of high temperature and the like, the safety and the reliability of the anti-counterfeit label are effectively improved, and the anti-counterfeit effect is improved.

The invention discloses a vehicle-mounted fragrance system and a vehicle. The vehicle-mounted fragrance system and the vehicle are used for solving the technical problem that existing vehicle-mounted fragrance is prone to fragrance leakage. The vehicle-mounted fragrance system comprises a diluent storage device used for loading and conveying diluent, a liquid essence storage device used for loading and conveying liquid essence and a mixed liquid storage bottle used for containing mixed liquid of the diluent and the liquid essence. Wherein the diluent storage device is communicated with the mixed liquid storage bottle so as to convey diluent to the mixed liquid storage bottle, the liquid essence storage device is communicated with the mixed liquid storage bottle so as to convey liquid essence to the mixed liquid storage bottle, and the mixed liquid storage bottle is connected with a pressurizing module and a nozzle. And the pressurizing module is used for driving the mixed liquid in the mixed liquid storage bottle to be sprayed out through the nozzle.

The present invention relates to the field of mobile robot positioning processing technology, and in particular to an augmented reality environment modeling and positioning processing method for a mobile robot. The method comprises the following steps: obtaining sensor configuration monitoring parameters; collecting environmental image data of the monitoring sensor according to the sensor configuration monitoring parameters to generate environmental image data; modeling and processing an environmental measurement physical model based on the environmental image data to obtain an environmental measurement physical model; performing fused point cloud prior map analysis based on the environmental measurement physical model to obtain generated fused point cloud prior map data; analyzing inter-frame moving feature point matching data through fused point cloud prior map data; and performing mapping and positioning operations of the mobile robot based on the fused point cloud prior map data and inter-frame moving feature point matching data. The present invention realizes accurate mapping and positioning of the mobile robot in the dynamic process by expanding the monitoring information of the mobile robot.

The invention relates to the field of food preservation, in particular to a food-grade plastic product for sealed preservation and a preparation method of the food-grade plastic product, and aims at solving the problem that a traditional food-grade plastic product for sealed preservation is poor in antibacterial property. According to the preparation method, quaternary ammonium modified graphite-shaped carbon nitride is added into linear low-density polyethylene resin to prepare the food-grade plastic product for sealing and fresh keeping, so that the food-grade plastic product for sealing and fresh keeping is endowed with excellent antibacterial and bacteriostatic performance, bacteria breeding is avoided, and after food is sealed and fresh keeping, the quality of the food is improved. Due to the excellent sealing performance of the food-grade plastic product for sealing and fresh keeping, loss and permeation of moisture, oxygen and peculiar smell substances in the food are effectively prevented, the freshness and quality of the food are better kept, and under the condition of high antibacterial and bacteriostatic performance, the food sanitation and safety are further guaranteed, the food quality guarantee period is prolonged, and the product quality is improved. And the freshness and the taste of the food can be better maintained.

The invention discloses a temperature-controllable pressurizing heat treatment device for producing and processing sea cucumber peptides, and relates to the technical field of sea cucumber peptide production equipment. The device comprises a heating bin, a heater is fixedly installed at the inner bottom of the heating bin, a temperature sensor is fixedly installed on the inner wall of the heating bin, two sets of linear sliding rail modules are rotatably installed at the top of the heating bin, a material frame is installed between the two sets of linear sliding rail modules, and multiple sets of material openings are formed in the bottom of the material frame; and the bottom of the material opening is fixedly connected with an elastic material bag. The sea cucumbers are put into the elastic material bag, then the elastic material bag is vacuumized through the negative pressure plate and the negative pressure head, then the vacuum elastic material bag is put into the heating bin, water bath heating is conducted through the vacuum bag, due to the existence of the vacuum environment, water evaporation is little, the taste and quality of products can be kept easily, and oxidation and water loss can be effectively prevented; therefore, active ingredients and nutrient substances in the sea cucumber peptide are better reserved.

The utility model relates to the technical field of cosmetic packaging, in particular to a serum protein active water film vacuum fresh-keeping glass bottle packaging device. The device comprises a storage assembly and a pumping assembly, the pumping assembly is connected with the storage assembly and extracts objects stored in the storage assembly outwards, the pumping assembly is externally connected with a smearing assembly, sealing assemblies are installed on the storage assembly and the smearing assembly, and the sealing assemblies control opening and closing installation. The storage assembly is designed to be in vacuum sealing, contact between oxygen in air and a serum protein active water film is remarkably reduced, the oxidation risk is reduced, the shelf life of the product is prolonged, the pumping assembly can accurately control the dosage extracted each time, waste is avoided, meanwhile, it is ensured that the dosage used each time is consistent, and the service life of the product is prolonged. The pumping mechanism reduces the opportunity that fingers of a user make direct contact with the product, pollution risks are reduced, product sanitation is guaranteed, the external smearing assembly is designed to be suitable for direct use, intermediate operation steps are reduced, and the user can smear the product easily.

The utility model discloses a leather cutting machine partition adsorption structure which comprises a rack, a cutting panel is arranged at the top of the rack, a plurality of adsorption holes are formed in the cutting panel, an air pipe is arranged below the cutting panel, the air pipe is externally connected with a vacuum pump, and the air pipe corresponding to the adsorption holes is connected with the bottom face of the cutting panel through a branch air pipe. An air cylinder is arranged corresponding to each branch air pipe, the output end of each air cylinder is connected with a partition plate, and the partition plates can stretch into the ends of the branch air pipes to open or close the branch air pipes. The vacuum adsorption mode is adopted for fixing the dermis, damage to the dermis is small, obvious traces or tensile deformation cannot be left on the surface of the dermis, the original state and quality of the dermis can be well kept, the vacuum adsorption type dermis fixing device can adapt to dermis of various shapes and sizes, and regular rectangles or irregular shapes can be effectively fixed.

The utility model relates to an air-drying storage rack for pickle processing, which comprises a shell, a plurality of groups of support frames are arranged on two opposite sides in the shell, and support pieces are arranged on the plurality of groups of support frames in a sliding manner, so that a user can perform customized storage according to pickles of different types and sizes, the storage space is utilized to the greatest extent, and the storage efficiency is improved. According to the pickle storage rack, two sets of mounting frames are arranged on the outer side of the outer shell, an induced draft fan and an exhaust fan are arranged in the two sets of mounting frames correspondingly, dustproof nets are arranged on the outer sides of the two sets of mounting frames correspondingly, it is ensured that sufficient air circulation of pickles on the storage rack is achieved, and therefore the drying efficiency and speed are improved, the drying time is shortened, and the production efficiency is improved; a first curing agent layer is arranged on the outer wall of the first epoxy resin layer, corrosion or oxidation of external liquid to the storage rack is prevented, the appearance and structural integrity of the storage rack are effectively maintained, and the service life of the storage rack is prolonged.

The utility model discloses a fresh cut flower peony transportation damping flower stand, which relates to the technical field of fresh cut flower transportation equipment, and comprises a base, upright posts, a top plate, a damping component and a peony fixing device, the stand column is vertically arranged at the top end of the base, and the top plate is arranged at the top end of the stand column. A plurality of supporting plates are arranged between the base and the top plate, and the four corners of each supporting plate are fixed to the stand columns respectively. The damping assembly is arranged at the top end of the supporting plate. According to the Chinese herbaceous peony fixing device, the placing plate is provided with the placing groove, Chinese herbaceous peony can be preliminarily fixed, the elastic fixing pieces can be flexibly adjusted according to the number and size of the Chinese herbaceous peony, the Chinese herbaceous peony is firmly fixed on the placing plate through connection of the hook-and-loop fasteners on the first elastic strip and the second elastic strip, the Chinese herbaceous peony is prevented from shaking and shifting in the transportation process, and flowers are further protected.

The invention relates to the technical field of high polymer material processing, and discloses a supercritical CO2 assisted devolatilization and microcellular foaming integrated method for preparing optical-grade PMMA (polymethyl methacrylate), which comprises the following steps: conveying a PMMA prepolymer containing a residual methyl methacrylate monomer into a high-pressure reaction kettle to be in contact with supercritical CO2 and saturated; then, the saturated melt is subjected to rapid pressure reduction, CO2 dissolved in the melt is separated out to form a micropore structure, and residual monomers are synchronously brought out; and cooling and shaping to obtain the optical-grade PMMA material. By adopting the method disclosed by the invention, integrated preparation of efficient removal of PMMA residual monomers and micropore lightweight forming can be realized at a lower processing temperature, and the obtained material has lower residual monomer content, lower density, higher light transmittance and lower haze.

The utility model is suitable for the technical field of wardrobes, and provides a wardrobe with ventilation side walls, which comprises a wardrobe body, and a storage cavity is formed in the wardrobe body; an interlayer is arranged between the cabinet body and the storage cavity; the ventilation piece is arranged in the hollow interlayer; the ventilation piece comprises an air supply cylinder arranged in the hollow interlayer on one side; the upper end and the lower end of the air supply barrel communicate with air supply pipes. The side, extending to the storage cavity, of the air supply pipe communicates with a plurality of vertically-arranged air supply branch pipes. The exhaust cylinder is arranged in the hollow interlayer on the other side; the upper end and the lower end of the air supply barrel communicate with exhaust pipes. According to the utility model, the ventilation piece is arranged in the hollow interlayer, so that the ventilation piece can be prevented from being damaged, air circulation in the cabinet body is enhanced, air in the storage cavity can be kept fresh, moisture and other phenomena can be avoided, air circulation in the storage cavity is enhanced, and the service life of the cabinet body is prolonged. Clothes pollution is reduced, and the cleanliness and quality of clothes can be maintained.

This application relates to the field of electronic component cleaning technology, specifically disclosing an electronic component cleaning device with batch processing capability. The device includes a drying chamber with an open front end for the adsorption assembly to enter and exit. The top of the drying chamber has several ventilation holes to allow effective evaporation of cleaning agent vapor. An air outlet is located on the left side of the drying chamber, connected to a blower via a pipe. The blower removes dust and excess cleaning agent from the electronic components. Two sliding rails are located on the bottom of the drying chamber, slidably connecting to an electric telescopic frame. An adsorption assembly is fixedly connected above the electric telescopic frame. A vacuum assembly is fixedly connected to the front end of the adsorption assembly for vacuum adsorption of the components, and a low-temperature heating assembly is fixedly connected to the rear end of the adsorption assembly for rapid evaporation of the cleaning agent. Sliding grooves are located on the left and right sides of the adsorption assembly, slidably connecting to cleaning components for cleaning them. This invention has the function of cleaning and timely drying electronic components in batches.

The invention provides a fresh-keeping and anti-corrosion method for low-alcohol grape wine, which comprises the following steps: screening and treating raw materials: transporting picked grape fruits to a brewing workshop within 2 hours, and then screening and cleaning; performing low-temperature fermentation: crushing the cleaned grapes, adding yeast, and performing fermentation under the condition of 15-20 DEG C; filtering and clarifying: after fermentation is finished, filtering the grape wine to remove residues and impurities generated in the fermentation process, and clarifying the filtered grape wine; sterile filling: filling the clarified grape wine in a sterile environment; micro-aerobic treatment: after filling the grape wine, carrying out micro-aerobic treatment; and low-temperature storage: storing the filled grape wine in an environment of 10-15 DEG C. The method provided by the invention effectively inhibits the growth and reproduction of microorganisms and reduces the oxidation of the wine, thereby prolonging the shelf life of the wine.