36results about "Seed preservation using chemicals" patented technology

The invention discloses an intelligent quintuplet cooperative plasma self-purification robot long-term storage system and a self-adaptive disinfection control method. According to the system, cold plasma, ozone, chlorine dioxide, self-generated nitric oxide and a charge self-purification jump effect are fused, and a dynamic self-purification system with an electric field-gas field-chemical field-intelligent field-thermal field five-dimensional synergistic energy field is constructed. The robot adopts a three-section structural layout and a multi-mode self-adaptive propulsion mechanism, environmental parameters are sensed through AI, discharge power and oxidant release are intelligently regulated and controlled, and precise sterilization, toxicity reduction and mildew prevention in a multi-medium environment are achieved. The system can generate various high-energy active species containing. OH, O, NO, ClO, ONOO and the like, chain splitting decomposition and oxidation mineralization are carried out on mold spores, bacterial cells, aflatoxin and the like, the sterilization rate reaches 99.995%, and the toxin degradation rate exceeds 98%. The system has the characteristics of no residue, low energy consumption, long-acting self-maintenance and the like, is suitable for multiple scenes of grain storage, traditional Chinese medicinal materials, cold chains, farmland, public health and the like, and realizes an intelligent, continuous and chemical-additive-free green storage and dynamic purification system.

A phosphine distribution system (1) comprises a phosphine gas supply sub-system (10) comprising a phosphine source (12) and a phosphine supply line (16); an air supply sub-system (20) comprising an air intake (22), a blower (24) for drawing air into the system (1) through the air intake (22) and an air supply line (26); and a mixer (30) connected to each of the phosphine supply line (16) and air supply line (26). The mixer (30) is operable to form a phosphine / air mixture having a selected phosphine concentration; a distribution line (40) extending from the mixer (30) for delivering the phosphine / air mixture for fumigation dosing when a selectively openable valve (25) is open; a diluent gas supply sub-system (50); and a control system (100) for controlling fumigation dosing including controlling dosing of phosphine into the phosphine supply line (16) to the mixer (30). The control system (100) demands supply of diluent gas from the diluent gas supply sub-system (50) to a selected portion of the phosphine distribution system (1) when a predetermined event occurs.

The invention relates to an installation (1) for disinsection for the eradication of insect pests present in cereals, which comprises a chamber (4) holding cereals, a device for putting under vacuum the chamber (4) containing cereals, an agitation device moving the cereals in the chamber (4), a device for injecting (5) into the chamber (4) a gaseous fluid harmful to insect pests, said injection of the harmful gaseous fluid taking place after the vacuum has been achieved, a device (15) for extracting and neutralizing the gaseous fluid present in the chamber (4) and a device for separating the eradicated insect pests and the cereals after treatment with the gaseous fluid.The invention also relates to a method for disinfesting cereals comprising steps for eradicating insect pests present in cereals using a chamber (4), a vacuum in this chamber (4), and a gaseous fluid harmful to these insect pests. Figure for the abstract: Figure 1.

The utility model relates to the technical field of rice preservation, and particularly discloses rice fumigation preservation equipment which is characterized in that a transmission component is fixedly mounted on the side wall of a rotating rod, a first bevel gear is fixedly mounted at the top of the rotating rod, a second bevel gear is meshed with the side wall of the first bevel gear, and a connecting rod is fixedly mounted at one end, far away from the first bevel gear, of the second bevel gear; the rotating shaft drives the stirring blades to rotate anticlockwise; the rotating rod simultaneously drives the first bevel gear to rotate anticlockwise; the first bevel gear drives the second bevel gear to rotate clockwise; the second bevel gear drives the connecting rod to rotate clockwise; the connecting rod drives the notched gear to rotate clockwise, the notched gear drives the rack frame to move up and down in a reciprocating mode, the rack frame drives the rotating shaft to move up and down in a reciprocating mode, stirring blades rotate while moving up and down in the fumigation box, and therefore the function of improving the rice fumigation quality is achieved.

The utility model belongs to the technical field of fumigation, and particularly relates to a uniform-fumigation circulation fumigation device which comprises a cylinder. A fumigation mechanism is arranged on the inner side of the cylinder, a driving mechanism is arranged at one end of the cylinder, a conveying mechanism is arranged at one end of the bottom side of the cylinder, the fumigation mechanism comprises a cavity, air holes are uniformly formed in the inner side of the cavity, a rotating seat is fixed at one end of the inner side of the cylinder, and through holes are uniformly formed in the circumferential surface of a hollow pipe. A spiral blade is fixed to the circumferential face of the hollow pipe, a fumigation box is arranged on the bottom side of the barrel, a guide pipe is fixed to one end of the output valve, an air pump is fixed to one end of the barrel, medicament steam is sprayed out from the air holes and the through holes to fumigate grain on the inner side of the barrel, and meanwhile the driving mechanism drives the hollow pipe to rotate. Therefore, the spiral blade pushes the grains to move on the inner side of the barrel, the fumigated materials are conveyed to one end of the inner side of the barrel to be output, and the problem that an existing fumigating device is low in fumigating processing efficiency is solved.

The present invention relates to the technical field of granary modification, and discloses an automatic granary pressure regulating system, comprising a main gas pipe installed on the inner wall of the granary, a plurality of pressure regulating devices, the pressure regulating devices comprising a housing and a pipe assembly; the main gas pipe is provided with a plurality of branch pipes, the outer ends of the pipe assemblies in each pressure regulating device being connected to corresponding branch pipes; a piston assembly is provided within the pipe assembly; when the air pressure inside the granary is greater than the air pressure outside the granary, the piston assembly moves along the pipe assembly toward the outer space; when the air pressure inside the granary is less than the air pressure outside the granary, the piston assembly moves along the pipe assembly toward the inner space; when the air pressure inside the granary is equal to the air pressure outside the granary, the piston assembly stops moving. The present invention can conveniently and stably regulate the air pressure inside the granary, prevent or reduce the exchange of gas inside the granary with gas outside the granary, thereby preventing or reducing nitrogen leakage within the granary, thereby maintaining a stable nitrogen concentration and improving the insecticide effect.

The invention discloses a vacuum tinfoil waxy corn and a making method thereof.The making method comprises the steps of raw material selection, pretreatment, trimming, cleaning, fixation, seasoning, tinfoil wrapping, vacuum packaging, sterilization, cooling, packaging and stock.Through tinfoil wrapping, a unique microenvironment can be formed in the cooking process, uniform heat transfer is achieved, uneven local heating of corn is avoided, and the quality of the waxy corn is improved. The original flavor and nutritional ingredients of the corn are reserved to the maximum extent, the corn is softer, waxy and sweet in taste, and the sealing effect can be further enhanced when the corn wrapped by the tinfoil is subjected to subsequent vacuum packaging, so that the invasion of oxygen and microorganisms is effectively blocked, and the shelf life of the product is prolonged; through a unique soaking process and by matching with proper pressure and temperature control, the seasoning liquid can quickly and uniformly permeate into the corn and go deep into each corn kernel, so that the corn emits flavor from inside to outside, and is different from a traditional surface seasoning mode, and the taste is stronger and more lasting.

The invention relates to the technical field of food fermentation, in particular to a multi-stage strain fermentation and sterilization packaging method of red yeast rice. The method comprises the following steps that a high-quality monascus strain is selected and inoculated to a solid culture medium, the solid culture medium is prepared from 200 g of potatoes, 20 g of glucose, 15-20 g of agar and 1000 mL of tap water, and the pH value of the solid culture medium is 5.0-6.0; culturing in a constant-temperature incubator at 28-32 DEG C for 5-7 days to obtain a primary strain; transferring the primary strain to a liquid culture medium, wherein the liquid culture medium comprises the following components: 130 g of malt paste powder, 0.1 g of chloramphenicol and 1000 mL of water; and culturing in a constant-temperature shaking table at 28-30 DEG C at the speed of 150-200 revolutions per minute for 3-5 days to obtain a secondary strain. According to the multi-stage strain fermentation and sterilization packaging method for the red yeast rice, provided by the invention, the traditional method is low in strain activity and weak in reproductive capacity and directly restricts the fermentation efficiency due to extensive strain culture, and a culture medium formula and culture parameters are customized for strains in different stages through three-stage strain staged culture.

The invention discloses a granary local targeting air conditioning system and a control method, and the granary local targeting air conditioning system comprises a warehouse which is internally provided with a main gas concentration detection sensor and a plurality of auxiliary gas concentration detection sensors; the first inflating assembly is connected to the warehouse and used for inflating nitrogen and / or chlorine dioxide into the warehouse; the second air inflation assembly is connected to the warehouse and comprises a second air outlet pipe and a plurality of air inflation ports which are communicated with the second air outlet pipe and are arranged in one-to-one correspondence with the auxiliary gas concentration detection sensors, and the second air outlet pipe can independently inflate nitrogen and / or chlorine dioxide into the multiple air inflation ports; when the difference value between the numerical value of the main gas concentration detection sensor and the numerical value of the auxiliary gas concentration detection sensor is larger than a first preset value, the second inflation assembly inflates the corresponding inflation inlet. Targeted inflation and nitrogen and / or chlorine dioxide supplementation are carried out through independent inflation channels, and the problems of insufficient local concentration, non-uniform gas distribution and insect pest high temperature caused by warehouse air leakage are solved.

Post-harvest treatment device and method for plant products, assembly comprising a storage and a treatment device. The device is intended for the post-harvest treatment of plant products stored in a closed storage (1), the treatment device (3) comprising: - a nebulization machine (7) having a gas inlet (9) and a gas outlet (11), the gas outlet (11) being fluidly connected to the closed storage (1);- a suction line (13), comprising an upstream end (15) connected to the closed storage (1), a downstream end (17) connected to the gas inlet (9) of the nebulizer (7), and a cyclone (19) interposed between the upstream end (15) and the downstream end (17), the nebulizer (7) being configured to draw into the closed storage (1) through the suction line (13) a gas stream laden with solid and / or liquid particles and to discharge through the gas outlet (11) said gas stream laden with an aerosol of a liquid containing a biocidal and / or phytosanitary product; the cyclone (19) being configured to separate the solid and / or liquid particles from the aspirated gas stream. Figure for the abbreviation: 1;

The present invention relates to the technical field of grain depot insecticidal and sterilization, and discloses a grain depot ozone circulation fumigation device and a fumigation method, which include a grain storage chamber, an air inlet unit, a circulation unit and a fixing unit. The air inlet unit is connected to the grain depot through the fixing unit. The circulation unit is located on the side of the grain depot away from the air inlet unit. The circulation unit is communicated with the air inlet unit through a return pipe. An ozone concentration sensor is arranged in the return pipe. The horizontal diffusion pipe of the air inlet unit is communicated with the grain storage chamber. A ventilation partition is arranged in the grain storage chamber. A plurality of air permeable holes are arranged on the ventilation partition. A return channel is formed between the ventilation partition and the side wall of the grain depot. With the above structure, the present invention can adjust the amount of ozone entering the grain storage chamber according to the grain storage amount, and can be flexibly applied to grain depots with different grain storage amounts and different sizes, which is safer and more environmentally friendly than traditional drug treatment.

The utility model discloses insect prevention equipment for wheat storage, and relates to the technical field of wheat storage, the insect prevention equipment comprises a base and a buffer plate, a grain barrel and a fumigation device are arranged on the buffer plate, the fumigation device comprises a fumigation cylinder, a connecting pipe and a fumigation pipe, the fumigation cylinder is located on the buffer plate, and a fumigation smoke sprayer is arranged in the fumigation cylinder; the fumigation pipes are fixedly connected with the inner wall of the grain barrel through connecting rods; the connecting pipe is positioned on the outer side wall of the grain barrel; a plurality of exhaust holes which are uniformly distributed are formed in the fumigation pipe; a filter screen is arranged on the exhaust holes; wheat is poured into the grain barrel to be stored, when insect prevention operation needs to be adopted, smoke is generated through the fumigating smoke sprayer, enters the fumigating pipe through the connecting pipe and the communicating pipe and then enters the grain barrel through the exhaust holes in the fumigating pipe, and due to the fact that the fumigating pipe is in a cross shape and is evenly distributed in the grain barrel up and down, insect prevention is achieved. The pesticide steam can easily reach the wheat area in the central zone in the grain barrel, and the insect prevention effect can be achieved by using the low concentration of the pesticide gas.

The application discloses a storage cabinet, belonging to the technical field of grain storage, comprising a cabinet body, at least a vacuum area and a nitrogen area are arranged on the cabinet body, at least one vacuum cabin capable of being opened and closed is arranged in the vacuum area, the vacuum cabin can be in a vacuum environment after being closed, at least one nitrogen cabin capable of being opened and closed is arranged in the nitrogen area, the nitrogen cabin can be in a nitrogen environment after being closed, and a temperature and humidity control system is arranged in the vacuum cabin and the nitrogen cabin. The vacuum cabin and the nitrogen cabin can provide a vacuum storage space and a nitrogen storage space of a low-oxygen environment respectively, so that the growth and reproduction of microorganisms are inhibited, the speed of mildewing and the occurrence of insect pests are reduced, the setting of the temperature and humidity control system can meet the requirements of being cool, dry, sealed and light-proof, moisture and mildewing are prevented, the fresh-keeping effect of household commonly used food such as grains, dried fruits, edible oil and tea and commonly used medicines is met, the market blank is filled, the food safety of a family is ensured from the source, and food waste is reduced.

The utility model discloses a hydrogen phosphide tail gas treatment device. According to the technical scheme, the aluminum phosphide residual material recycling device comprises an air compression mechanism, a vacuum material suction mechanism, an aluminum phosphide residual material generation device, a fan circulation device and a control center. The air compression mechanism comprises an air compressor and a high-pressure air supply pipe connected with the air compressor; the vacuum material suction mechanism comprises a first vacuum material conveyor and a second vacuum material conveyor which are arranged in parallel, the aluminum phosphide residual material generation device comprises a first-stage reaction tank and a second-stage reaction tank which are connected in series, and the fan circulation device comprises a circulation fan communicated with the second-stage reaction tank; and the circulating fan is communicated with a circulating air duct system of a grain pile through a positive pressure end air inlet pipe and a return pipe. The scheme provided by the utility model is used for treating residual powder after deliquescence of aluminum phosphide for further thorough reaction, and poison gas after reaction is sent back to a grain pile for effective utilization.

The utility model relates to the technical field of ozone concentration adjustment, and discloses an ozone concentration adjusting device for low-bacterium wheat flour production, which comprises a tank body, support legs are fixedly mounted on the outer wall of the tank body, a feed chute is fixedly mounted on the upper surface of the tank body, and a feed inlet is formed in the lower surface of the tank body. An ozone generator is fixedly mounted on the outer wall of the tank body, a gas conveying pipe is fixedly mounted at the top of the ozone generator, a motor is fixedly mounted on the outer wall of the tank body, a discharging opening is fixedly formed in the outer wall of the tank body, and a stirring rod is rotatably mounted on the inner wall of the tank body. In order to regulate and control ozone and maximize the utilization rate of the ozone, the feeding chute can feed materials into the tank body once by matching opening and closing of the first baffle and the second baffle with opening and closing of the sealing plate, and then the sealing plate is opened and closed once to input the ozone into the tank body, so that the ozone is fully fused with the materials, and the utilization rate of the ozone is maximized.

The invention discloses a comprehensive air conditioning system applied to a granary and a control method.The comprehensive air conditioning system applied to the granary comprises a box provided with a first ventilation pipe and a second ventilation pipe, one end of the first ventilation pipe is provided with a first air supply component, and the other end of the first ventilation pipe is connected to the middle or the lower portion of the granary; a second air supply component is arranged at one end of the second breather pipe, the other end of the second breather pipe is connected to the upper part of the granary, and carbon dioxide and / or chlorine dioxide can be introduced into the first air supply component and the second air supply component; the third gas supply component is arranged on the second ventilation pipe and can be used for introducing nitrogen; the exhaust assembly is arranged on the box body; and the control system integrally controls the first air supply component, the second air supply component, the third air supply component and the exhaust assembly. Through cooperation of nitrogen oxygen reduction, chlorine dioxide sterilization and carbon dioxide and combination of partitioned inflation, multi-mode airflow regulation and control and intelligent concentration control, efficient insect and mildew killing is achieved, uniform distribution and dynamic balance of granary gas are achieved, and grain storage safety is guaranteed.

The disclosure discloses a method for killing A. Flavus spores by infrared radiation in coordination with essential oil fumigation, and belongs to the technical field of sterilization. The method is to treat A. Flavus spores by medium and short wave infrared radiation in combination with essential oil fumigation. The disclosure provides a method for killing A. Flavus spores by medium and short wave infrared radiation in coordination with essential oil fumigation. On the one hand, air residual heat and energy of medium and short wave infrared radiation are fully used to make a material heated up rapidly, and on the other hand, essential oil on the surface of the material penetrates the cell membrane of A. Flavus spores, and further damages protein on the membrane and internal organelles in combination with the heat effect. The process is easy in operation, low in energy consumption, pollution-free and high in sterilization efficiency, and can be used for purifying bulk grains.

The subject matter described herein relates to systems for treatment of a product for decontamination of the product. The product may include agricultural, food and related product. The system comprises a decontamination chamber (102, 102-1) having an inlet (120, 120-2) to receive the product; multiple first channels (143, 202, 302, 402, 602, 702) in the decontamination chamber (102), wherein the multiple first channels (143, 202, 302, 402, 602, 702) are distributed across the longitudinal span of the decontamination chamber (102, 102-1); a trioxygen generator (106) with a feedline (128) coupled to the multiple first channels (143, 202, 302, 402, 602, 702), wherein the trioxygen generator (106) is to provide trioxygen gas to the multiple first channels (143, 202, 302, 402, 602, 702) to disseminate trioxygen gas onto the product in the decontamination chamber (102, 102-1); and an outlet (145, 145-2) to output the trioxygen treated product.

The invention relates to a processing device for the post-harvest processing of plant products stored in a closed storage unit (1), the processing device (3) comprising: - a fogging machine (7) having a gas inlet (9) and a gas outlet (11), the gas outlet (11) being fluidically connected to the closed storage unit (1); - a suction line (13), comprising an upstream end (15) connected to the closed storage unit (1), a downstream end (17) connected to the gas inlet (9) of the fogging machine (7), and a cyclone (19) positioned between the upstream end (15) and the downstream end (17), the fogging machine (7) being configured to draw from the closed storage unit (1), through the suction line (13), a stream of gas laden with solid and / or liquid particles and to deliver, via the gas outlet (11), the stream of gas laden with an aerosol of a liquid containing a biocidal and / or phytosanitary product; the cyclone (19) being configured to separate the solid and / or liquid particles from the drawn gas stream.

The invention relates to the field of food processing. More specifically, the invention relates to a shelf life prolonging method of a lotus pond three-treasure prefabricated vegetable, which comprises the following steps: S1, after the lotus pond three-treasure prefabricated vegetable is made, performing vacuum packaging; s2, performing sterilization treatment on the vacuum-packaged lotus pond three-treasure prefabricated vegetable; s3, storing the sterilized lotus pond three-treasure prefabricated vegetable in an environment of 3-5 DEG C; s4, in the transportation process of the lotus pond three-treasure prefabricated vegetables, cold chain transportation is adopted; and S5, after the lotus pond three-treasure prefabricated dish enters the sale terminal, waiting for sale under a refrigeration condition. According to the shelf life prolonging method of the lotus pond three-treasure prefabricated dish, food safety risks caused by deterioration or pollution can be effectively prevented, and the health of consumers is guaranteed; meanwhile, the flavor and the texture of the product stably reach the standard within the shelf life, and the expectation of consumers on the on-site taste is met.

An ozone sterilisation system 2 comprising a mixer 4 comprising a mixing chamber for receiving material to be sterilised and an ozone generator 8 configured to generate a supply gas comprising ozone a

The invention provides a cold fuming agent and a preparation method and grain storage application thereof, and belongs to the technical field of cold fuming agents. The cold fuming agent provided by the invention comprises the following components in percentage by mass: 3-20% of an insecticidal active compound, 10-16% of a fuming agent, 10-15% of a combustion improver, 20-40% of a filler and 10-30% of a stabilizer, the insecticidal active compound comprises one of spinosad and pirimiphos-methyl and deltamethrin. According to the present invention, the two insecticidal active compounds are adopted, the compounding of the two active compounds provides the synergistic effect, the variety of the insecticidal active compounds is controlled, and the antagonism effect can be avoided by selecting the insecticides with different insecticidal mechanisms, such that the use dosage of the insecticidal active compounds is reduced, the prevention and control effect is improved, and the cold fuming agent has characteristics of simple operation and good safety.

To provide an olive food product that is more delicious, easier to eat, and easier to buy.SOLUTION: Olive food products 100-300 are dry-packed, refrigerated, and distributed, which include: a transparent packaging container with a heat resistance of 75°C or higher and a gas barrier property; non-fermented olives with a hydrogen-ion exponent higher than 4.6, stored inside the packaging container; and inert gas filled inside the packaging container. Preferably, the olives satisfy one or more conditions of being sterilized by heat, grilled, pulverized, or flavored. Furthermore, the olives preferably include several varieties of olives having different colors and tastes.SELECTED DRAWING: Figure 1

The application discloses a preservative for inhibiting browning of fresh walnut kernels and an application method, relates to the technical field of food preservation, and is characterized in that the preservative is composed of a disinfectant, an antioxidant and a stabilizer according to a weight ratio of 1:(600-800):(8-12), wherein the disinfectant is a chlorine dioxide powder, the antioxidant is a tert-butyl hydroquinone powder, and the stabilizer is a mixture of sodium carbonate, sodium bicarbonate and citric acid. The preparation method comprises the following steps: mixing the components to prepare tablets or powders. When applied, the preservative is dissolved in water at a ratio of 1:5000 to 1:10000 to prepare a preservative solution, fresh walnut kernels are soaked in the preservative solution for 5-20 minutes, and then the fresh walnut kernels are drained and packaged. Through the synergistic effect of ClO2 and TBHQ, the two problems of microbial corruption and enzymatic browning of fresh walnut kernels are solved efficiently, the shelf life is significantly prolonged, the method is safe, simple, low in cost and suitable for industrial production.

Fumigation chamber (1) for products to be treated, comprising sealed walls (2) with a loading opening, a fumigation cycle control module (10), a sealed door (3), a heater (4), a system (5) for detecting and relieving any overpressure inside the chamber, and a degassing circuit (6) for expelling the fume gas from the chamber and replacing it with external air. FIGURE 1

The utility model relates to a fin connecting structure of an air temperature type vaporizer for grain storage, which comprises a plurality of vaporizing pipes, each vaporizing pipe is provided with a plurality of fins, each fin is provided with a connector, a connecting assembly is arranged between every two vaporizing pipes, and the connecting assembly comprises a connecting block, a connecting sliding groove, a connecting sliding block, a connecting arm and a connecting clamp. Adjusting sliding grooves are formed in the connecting sliding grooves, adjusting sliding rods are arranged on the connecting sliding block, a plurality of adjusting lock holes are formed in the adjusting sliding rods, a plurality of connecting lock grooves are formed in the connecting block, connecting lock rods are arranged in the connecting lock grooves in a sliding mode, and the length of the connecting lock rods is larger than that of the connecting lock grooves. The gasification pipes are fixedly connected through clamping connection between the connecting clamps and the connectors, sliding fit between the connecting sliding blocks and the connecting sliding grooves, sliding fit between the adjusting sliding rods and the adjusting sliding grooves and fit between the connecting locking rods and the adjusting locking holes in the adjusting sliding rods. The device is ingenious in structure, convenient and practical.

It sterilizes all granular materials evenly and completes the sterilization process in a short amount of time. [Solution] The sterilization device 10 comprises a tank 11 for containing granular material to be sterilized, and a gas supply device 12 for supplying chlorine dioxide gas to the inside of the tank 11 from below. The gas supply device 12 sterilizes the granular material inside the tank 11 while causing it to flow by blowing out chlorine dioxide gas.

The invention discloses a bamboo joint warehousing system, and relates to the technical field of grain storage engineering, the bamboo joint warehousing system is arranged on a warehouse body, the bottom and the top of the warehouse body are respectively provided with an air port I and an air port II, the periphery of the upper part of the warehouse body is sequentially provided with an air port III, an air port IV and an air port V, and the air port III and the air port V are arranged at the grain loading line position of the warehouse body; comprising a refrigerator, a first fan and a second fan. The fourth air opening is communicated with a first branch, the first branch is connected with a second branch and a third branch in parallel, the third branch is sequentially communicated with a first fan and a fourth branch, and the fourth branch is connected with a fifth branch and a sixth branch in parallel. The system integrates six functions of warehouse grain pile mechanical ventilation, circulation fumigation, grain cooling, nitrogen controlled atmosphere, grain surface ventilation and grain surface refrigeration, realizes complete intelligent control, and is low in construction cost and flexible in operation.

The invention relates to a disinfestation facility (1) for eradicating pest insects present in cereals, which comprises an enclosure (4) that receives cereals, a device (2) for creating a vacuum in the enclosure (4) containing cereals, a stirring device setting the cereals in motion inside the enclosure (4), a device (5) for injecting into the enclosure (4) a gaseous fluid that is harmful to the pest insects, the harmful gaseous fluid being injected after the vacuum has been applied, a device (15) for extracting and neutralising the gaseous fluid present in the enclosure (4), and a device for separating the eradicated pest insects from the cereals after treatment by means of the gaseous fluid. The invention also relates to a method for the disinfestation of the cereals, which comprises steps for eradicating the pest insects present in the cereals using an enclosure (4), the vacuum in this enclosure (4) and a gaseous fluid that is harmful to these pest insects.

The invention discloses a shell and kernel separating and sterilizing method for macadamia nuts. The method comprises the following steps: removing green peels on the outermost layers of nuts, and reserving the nuts with hard wooden shells; and then, carrying out vacuum-pumping sealing treatment on the fruit shells, treating the fruit shells in ultrahigh-pressure equipment for several minutes under the pressure condition of about 600 MPa, and after the pressure is released, enabling the surfaces of the fruit shells not to have obvious cracks but the adhesion between the fruit shells and the kernels to be reduced, and mechanically opening the fruit shells by pressing to obtain complete kernels. After the ultrahigh pressure action, the shell structure is subjected to microscopic loosening, the adhesion between shells and kernels is obviously reduced, the surface of the shell is not obviously cracked, efficient separation of complete kernels can be realized through mild mechanical pressing, meanwhile, a remarkable sterilization effect is achieved, and the shelf life of products is prolonged. The process disclosed by the invention does not need high temperature or chemical additives, is simple and convenient to operate, can maintain the natural flavor and nutritional quality of the nuts, and has green, safe and good industrial application prospects.