213 results about "Hermetia" patented technology

The invention belongs to the field of natural product extraction, and particularly relates to a method for extracting chitosan by using hermetia illucens in a high-valued manner. According to the method, the ionic liquid is introduced while the chitosan is extracted by adopting a deep eutectic solvent method, the deep eutectic solvent can form strong interaction with chitin molecules, the ionic liquid can further enhance specific recognition of the chitin molecules, and the ionic liquid and the deep eutectic solvent have a synergistic effect, so that solubility and recognizability of the chitin are improved; protein and salt are efficiently removed, meanwhile, glucosidic bonds of a chitin macromolecular main chain are prevented from being hydrolyzed and broken, and the extraction rate and purity of chitosan are remarkably improved. According to the method, the extraction condition is mild, the eutectic solvent can be recycled and reused, the extraction process flow of the chitosan is simplified, and the method is environment-friendly.

The invention discloses a hermetia illucens breeding method for improving the biotransformation capacity of hermetia illucens on agricultural wastes. The hermetia illucens breeding method capable of improving the biotransformation capacity of the hermetia illucens on the agricultural waste comprises the following steps: inoculating larvae of the hermetia illucens into the agricultural waste added with Penicillium nucleatum, breeding, and collecting insect sand and insect bodies. The method disclosed by the invention can be used for improving the biotransformation capability of the hermetia illucens on the agricultural wastes, which is specifically embodied in the aspects of increasing the waste reduction rate, increasing the biotransformation rate, increasing the biomass transformation ratio of the substrate and the hermetia illucens prepupae, increasing the growth rate of the hermetia illucens, increasing the dry matter content and the protein content of hermetia illucens bodies and the like; the method provided by the invention can realize rapid and efficient degradation of wastes, reduces resource loss and environmental pollution, provides a brand new solution for waste treatment, and comprehensively improves the resource utilization efficiency.

The invention relates to the technical field of intelligent agricultural control, and discloses a chicken and insect co-cultivation environment cooperative control system and method, and the system comprises a multi-dimensional sensing module which is used for collecting the temperature information and ammonia concentration information of the surfaces and interiors of a chicken coop and an excrement layer, and the coordinate data of each measurement point, acquiring image data and infrared data of the chicken and temperature distribution data of the hermetia illucens at each measuring point, and fusing the coordinate data, the image data, the infrared data and the temperature distribution data; the central control module is used for processing the data in the multi-dimensional sensing module, constructing a larva activity deep analysis model based on the processed data, outputting a biological comprehensive vitality index, constructing a comprehensive state vector according to the biological comprehensive vitality index, and outputting the comprehensive state vector; a multi-target cooperative control decision model is constructed based on the comprehensive state vector to output a regulation and control instruction; and the environment execution module is used for regulating and controlling the environment parameters in the co-cultivation environment according to the regulation and control instruction.

The invention relates to the technical field of hermetia illucens larva breeding, in particular to a hermetia illucens larva drying and sorting device and method.The hermetia illucens larva drying and sorting device comprises a drying box internally provided with a heating device used for drying fresh hermetia illucens larvae; the separating device is connected to the outlet end of the drying box and comprises a first conveying belt, a plurality of separating plates are arranged on the first conveying belt, and the separating plates and the first conveying belt do not interfere with each other; the recovery device comprises a chain type larva taking spoon device, a funnel conveying piece in butt joint with the chain type larva taking spoon device and a second conveying belt located at the bottom of the funnel conveying piece, and dried hermetia illucens larvae fall on the second conveying belt through the funnel conveying piece and are distributed on the second conveying belt at intervals; the blowing screening device comprises a blowing device and an image acquisition device, the image acquisition device is close to one end of the funnel conveying piece, the blowing device is fixed on the side surface of the second conveying belt, and the control system controls the blowing device to start according to image acquisition information. The device and the method are simple in structure and high in sorting precision.

The invention discloses a method for ecologically treating livestock and poultry manure by using hermetia illucens and earthworms, which comprises the following steps: mixing the livestock and poultry manure with auxiliary materials and organic wastes, stacking, adding a microbial agent, and quickly reaching a semi-rotten state by using a groove type aerobic fermentation process; then black soldier fly larvae and earthworm larvae are inoculated to further thoroughly decompose the livestock and poultry manure, and meanwhile black soldier fly and earthworm breeding is achieved. According to the method, rapid decomposition can be achieved 28 days in winter and 18 days in summer, ecological treatment of the livestock and poultry manure can be achieved, ecological breeding of hermetia illucens and earthworms can be achieved, and the utilization value of the livestock and poultry manure is greatly improved.

The invention relates to a method for composting by adopting hermetia illucens fecula. The method comprises the following steps: collecting hermetia illucens fecula and biological wastes; the method comprises the following steps of: mixing the raw materials, so that the carbon-nitrogen ratio in a mixture is (20-30): 1, spraying a microbial complex microbial inoculant, adding glucose, monopotassium phosphate, polysorbate, ferrous sulfate, manganese sulfate and copper sulfate, fully mixing, piling, covering with a heat-insulating film, and sealing to obtain a primary compost; collecting hollow bricks, laying a first hollow brick layer on the plane, enabling pores of the first hollow brick layer to be parallel to the horizontal plane, turning the primary compost to the first hollow bricks to form a first compost layer, flattening, laying a second hollow brick layer, sequentially carrying out the steps for a plurality of times until composting is completed, and covering the periphery of a compost body with a heat-insulating film to form the compost. And keeping for 10-30 days. The method can increase the abundance and strength of microbial metabolic pathways, increase the composting temperature, prolong the high-temperature time of the compost, accelerate the decomposition of the compost, and realize the harmlessness of the black soldier fly feces.

The invention relates to the technical field of environmental protection, and particularly discloses an efficient intensive sludge fermentation system which comprises a fermentation bin and a workshop, the workshop is divided into a plurality of layers, the topmost layer is a pretreatment workshop, the middle layers are culture workshops, hermetia illucens are cultured in the culture workshops, and the bottommost layer is an integrated workshop; the plurality of fermentation bins are uniformly distributed and tightly surround the periphery of the workshop, the plurality of fermentation bins work circularly, each fermentation bin performs independent fermentation, and a second discharge pipe and an air outlet pipe are arranged between the culture workshop and each fermentation bin. Sludge is placed in different fermentation bins one by one at intervals of one day to be subjected to closed and stacked fermentation, it can be guaranteed that fermented sludge is put into the culture workshop every day, and due to the fact that the multiple fermentation bins are evenly distributed and tightly surround the periphery of the workshop, the occupied space is small, and cost is low. And waste insect sand generated by culturing hermetia illucens in a culture workshop is utilized in fermentation of sludge, no system waste is generated and discharged, and the purposes of reducing cost and improving efficiency are achieved.

The utility model discloses modularized hermetia illucens adult breeding and spawning equipment, and belongs to the field of hermetia illucens breeding equipment. The utility model discloses modularized hermetia illucens adult breeding and spawning equipment. The interior of the shell is divided into a darkroom and a bright room. A plurality of breeding boxes are stacked in the darkroom; the insect trapping device is arranged in the bright room and used for guiding adult hermetia illucens; the adult conduit is fixedly connected to the side wall of the bright room and is communicated with the dark room; the shifting piece is mounted on the inner wall of the adult conduit; the egg collecting piece is arranged in the bright chamber and used for providing a position for spawning of hermetia illucens; the egg collecting piece comprises a mounting plate which is fixedly connected to the side wall of the bright room; the plurality of spawning plates are fixedly connected to the mounting plate at equal intervals; the multiple collecting rollers are installed on the top wall of the spawning plate in a rolling mode. The modularized hermetia illucens adult breeding and spawning equipment has the beneficial effects that eggs can be automatically cleaned and collected, and the eggs do not need to be manually collected.

The utility model relates to the technical field of hermetia illucens breeding, and discloses a feed putting device for hermetia illucens circulating breeding, which comprises a support, the left side of the support is fixedly connected with a circulating frame, the inside of the circulating frame is rotatably connected with a fluted disc I, and the upper end of the support is fixedly connected with a circulating motor. According to the feed throwing device for hermetia illucens circulation breeding, the lifting assembly drives the supporting plate assembly to move up and down, a breeding box in the breeding assembly is conveyed to the position below the stirring barrel, the pulley block and the lifting rod improve the stability of up-and-down movement of the supporting plate assembly, a stirring motor is started to drive a stirring paddle to rotate, and the stirring paddle is an anchor type paddle; the feed on the inner wall of the stirring barrel is scraped off, the stirring effect is improved, the second translation assembly and the first translation assembly enable the discharging nozzle to have adjustability in the horizontal direction, feed can be evenly fed into the breeding box, the breeding box is put back into the containing groove through the supporting plate assembly after feeding is completed, the process is repeated, and circulating feeding is conducted on the breeding box in the circulating frame.

A strengthening method for aerobic co-compost of kitchen waste anaerobic biogas residues and hermetia illucens feces belongs to the technical field of organic solid waste treatment, and the specific scheme comprises the following steps: step 1, uniformly mixing kitchen waste biogas residues, hermetia illucens feces and auxiliary materials to obtain a mixed material I; step 2, adding tea leaf residues and iron oxide into the mixed material I, and uniformly mixing to obtain a mixed material II, and step 3, carrying out aerobic composting on the mixed material II until the temperature rise period, the high-temperature period, the cooling period and the decomposition period of a compost body are normally completed. On the basis of a biogas residue-fecula aerobic co-composting system, by adding the tea leaf residues and the iron oxide, the content of humus precursor substances is increased, and conversion of the precursor substances to humus is promoted, so that formation of humic acid is facilitated, the fertilizer efficiency and application potential of a composting product are improved, and meanwhile nitrogen loss in the composting process is reduced.

The invention relates to a hermetia illucens breeding environment control system and method. The breeding material tray stack is carried into the breeding space through the conveying channel, the fresh air mechanism and the negative pressure fan are started, the fresh air mechanism and the negative pressure fan are arranged on the two opposite side walls of the breeding bin respectively, airflow is promoted to flow to the negative pressure fan from the fresh air mechanism, and the exhaust efficiency of waste gas in the breeding space is improved. According to the system, through the synergistic effect of the fresh air mechanism and the negative pressure fan, directional stable airflow is formed in the breeding space. Due to the unique arrangement mode of the transportation channel, the convenience of the breeding operation is ensured, and the interference of the transportation operation on the stability of the breeding environment is avoided; meanwhile, the physical distance between the fresh air mechanism and the breeding space is guaranteed, on one hand, a diffusion space is provided for uniform diffusion of fresh air, the fresh air is prevented from being concentrated in the opening direction of the air outlet of the fresh air mechanism, and on the other hand, the influence of noise of the fresh air mechanism on the breeding space is reduced.

The invention discloses a breeding bait for hermetia illucens larvae and a preparation method thereof, and relates to the field of hermetia illucens larva baits, the breeding bait comprises the following raw material components by weight: 25-35 parts of kitchen waste, 20-30 parts of agricultural by-products, 10-15 parts of animal-derived protein, 5-8 parts of feather meal, 3-5 parts of fish meal, and 2-3 parts of blood meal; the breeding bait for the hermetia illucens larvae specifically comprises 3-5 parts of corn flour, 2-3 parts of alfalfa powder, 2-3 parts of soybean meal, 0.3-0.8 part of a compound enzyme preparation, 0.2-0.5 part of compound probiotics, 0.5-1.2 parts of mineral elements and 0.1-0.3 part of a phagostimulant, and the breeding bait for the hermetia illucens larvae has the effects of being balanced in nutrition, high in conversion rate and low in pathogenic bacterium content.

The invention relates to the technical field of aquaculture feed. According to the hermetia illucens protein peptide and the preparation method thereof, the hermetia illucens protein peptide prepared by adopting the technical scheme can be used as a feed protein source to replace most fish meal in feed, so that the use of the fish meal in aquatic feed is reduced, and the problems of shortage and insufficient supply of the fish meal are solved. The invention also provides application of the hermetia illucens protein peptide in preparation of functional feed for improving fish growth performance and fish muscle and meat quality. Fish functional feed prepared from the hermetia illucens protein peptide not only can significantly improve growth of rainbow trout, but also has no negative effect on oxidation resistance of animal livers and dorsal muscles, and can also improve muscle meat quality of rainbow trout.

The invention discloses a hermetia illucens feces treatment system based on intelligent control, and relates to the technical field of environmental protection, and the system comprises a central control unit which controls the preset number of larvae and sends the preset number of larvae to a treatment capacity prediction module; the sensor module is connected with the central control unit to collect temperature and humidity data, a temperature and humidity range is preset in the central control unit, and larva growth temperature and humidity are adjusted based on the preset temperature and humidity range and sent to the handling capacity prediction module; the disease detection module monitors the body color change of larvae in real time, calculates the disease index of the larvae, and sends the disease index and image data to the handling capacity prediction module through the central control unit; the treatment capacity prediction module predicts the feces treatment capacity based on the larva disease index, the temperature, the humidity and the quantity, and the central control unit performs feces putting in the next putting period based on the initial feces putting quantity and the feces treatment capacity. According to the invention, larva feces treatment capacity evaluation is carried out through temperature and humidity, larva quantity and larva disease conditions, and automatic feces treatment is realized.

The invention discloses a kitchen waste biological treatment and emission reduction storage method and application thereof. By adding a compound lactic acid bacteria preparation, odor emission caused by rapid acidification and reproduction mildewing and corruption in the material storage process is achieved. Meanwhile, before the hermetia illucens is converted into the kitchen waste, zygosaccharomyces bayer with the acidophilic characteristic is added for secondary fermentation, organic acid (VFAs) and ammonia nitrogen in the material are converted into yeast protein, the inhibition effect of free organic acid on growth and reproduction of hermetia illucens larvae is reduced, inorganic ammonia nitrogen is converted into biological organic nitrogen (amino acid and the like), and the biological organic nitrogen is converted into biological organic nitrogen (amino acid and the like); organic carbon of the material is converted into soluble nutrients (SCOD) which are more easily absorbed by the hermetia illucens, so that the larvae of the hermetia illucens are promoted to quickly and efficiently convert the kitchen waste, and the volatilization of ammonia ions in the conversion process of the hermetia illucens is reduced. The related technology provided by the invention is beneficial to ammonia emission reduction and quality and efficiency improvement in the process of industrial breeding of hermetia illucens.

The invention discloses application of a vegetable tannin extract in promoting efficient utilization of carbon and nitrogen nutrients of a hermetia illucens culture substrate and reducing emission. The application comprises the following steps: inoculating hermetia illucens larvae into a substrate formed by mixing a vegetable tannin extract, animal dung and a carbon-containing material, breeding hermetia illucens under the conditions of constant temperature, constant humidity, light shielding and opening, and collecting hermetia illucens bodies and hermetia illucens sand after the hermetia illucens larvae are bred. The vegetable tannin extract is one or two of a chestnut tree tannin extract and a white hard wood tannin extract. By adding vegetable tannin into a substrate and optimizing the growth conditions of the hermetia illucens and an excrement treatment process, the growth of the hermetia illucens can be promoted, the emission of carbon and nitrogen gas is reduced, the resource utilization efficiency is improved, and the sustainable development is promoted.

The utility model relates to the technical field of insect breeding, and provides hermetia illucens breeding equipment which comprises at least two breeding frames, the multiple breeding frames are arranged side by side, a gap is reserved between every two adjacent breeding frames, and each breeding frame is of a stacked structure composed of multiple transverse racks; at least one driving wheel and a plurality of driven wheels are arranged on each transverse rack; the movable frame is arranged on the transverse rack, a plurality of breeding discs which are transversely arranged side by side are arranged on the movable frame, the breeding discs are connected with the movable frame through rotating shafts, a plurality of overturning driving devices are arranged on the movable frame to drive the breeding discs to overturn along the rotating shafts, and the movable frame can be driven by transverse rack driving wheels to move; and the feeding trolley and the receiving trolley are arranged in the gap between the two adjacent breeding frames. Efficient automation of the feeding and collecting process is achieved, the breeding disc can flexibly run to the middle position along with the moving frame, operation is rapidly completed in cooperation with the feeding trolley and the collecting trolley, and the working efficiency is improved.

The invention relates to the field of animal nutrition additives, and particularly discloses an animal additive based on probiotic synergistic fermentation sea buckthorn residue and hermetia illucens protein and a preparation method thereof, the animal additive comprises the following components by mass: 5%-10% of a filling auxiliary material, and the balance of a fermentation composite product; the sea-buckthorn residues and the hermetia illucens larvae can be fermented to form a double-substrate fermentation product, so that the double-substrate fermentation product has a synergistic nutrition effect, and can be used for remarkably promoting the weight gain condition of animals, improving spleen and thymus indexes and increasing serum IgG and IgM; the hermetia illucens protein is rich in lauric acid, antibacterial peptide and high-quality animal protein, so that the non-specific immunity and the anti-stress capability of an organism are enhanced, and the infection risk in the breeding process is reduced; the low-value sea-buckthorn residues and the hermetia illucens larvae are upgraded and converted into high-value feeding resources in a biological fermentation mode, the environmental pressure of processing by-products is relieved, the additional value of raw materials is increased, and the method conforms to resource circulation and environmental protection policy guidance.

The application discloses a kind of black soldier fly automated breeding equipment, including rack, breeding box subassembly and automatic lifting mechanism;Breeding box subassembly has breeding box support, a plurality of along vertical direction interval distribution breeding box bracket, and fixed in breeding box bracket breeding box box;Breeding box bracket is movably connected with breeding box support, and automatic lifting mechanism is connected with breeding box bracket to drive breeding box bracket and breeding box box to the side of rack inclination.This application's black soldier fly breeding equipment is arranged breeding box subassembly symmetrically on the both sides of rack, while the breeding box bracket of breeding box subassembly carries breeding box box and is connected with the automatic lifting mechanism of rack to tilt breeding box box in a certain angle range by automatic lifting mechanism, realize automatic unloading, the device occupies small area, mechanization and modular degree are high, can better control the uniformity of black soldier fly breeding heavy lifting and realize fine breeding, realize controllability and the purpose of automatic unloading.

The invention discloses an organic fertilizer prepared from kitchen garbage and hermetia illucens sand. The organic fertilizer is prepared from a mixed fermentation material, nutrient substances and a microbial compound inoculant, the mixed fermentation material is a product obtained after kitchen waste, garden waste, hermetia illucens sand and pine wood dust are subjected to microbial aerobic fermentation, and the nutrient substances comprise macroelement substances and microelement substances and are used for providing macroelements and microelements needed by plant growth. The compound microbial inoculant is used for providing microorganisms for improving soil, regulating a plant rhizosphere microbial environment and preventing soil-borne diseases.

The invention relates to the technical field of kitchen garbage treatment, and discloses a hermetia illucens breeding-based kitchen garbage degrading device which comprises a tank body, the sealing cover is arranged above the tank body; the hopper is arranged in the tank body; the crushing unit is arranged in the tank body and located below the hopper, and the crushing unit is used for crushing the fed kitchen garbage; the discharge valve is arranged below the tank body; the extraction mechanism is arranged on the tank body, and the slurry mixing mechanism comprises a rotating shaft rotationally arranged at the bottom in the tank body, a sleeve shaft fixedly connected to the surface of the rotating shaft, a plurality of groups of first stirring blades distributed on the peripheral edge of the sleeve shaft at equal intervals, and a reciprocating screw rod fixedly connected in the tank body. By arranging the slurry mixing mechanism and the adjusting mechanism, excessive liquid is actively separated, slurry is dynamically extruded, the efficiency of extracting the excessive liquid by the extraction pump is effectively improved, and the ingestion and conversion effects of hermetia illucens larvae on organic components are further improved by controlling the water content of the slurry to be proper.

The invention discloses bacillus subtilis for recombinant expression of a hermetia illucens HIAMP0438 gene and a construction method of the bacillus subtilis, and belongs to the technical field of gene engineering. The hermetia illucens recombinant protein used in the invention is obtained by expression of bacillus subtilis WB800N transferred into a pHT43-HIAMP0438 high-efficiency expression vector, and the pHT43-HIAMP0438 high-efficiency expression vector is obtained by a homologous recombination technology, so that high-level expression of the HIAMP0438 gene is realized, the HIAMP0438 gene can be efficiently secreted out of cells, the preparation process of the recombinant protein is greatly simplified, and the production cost is reduced. According to the present invention, the recombinant protein can significantly inhibit the growth of Escherichia coli, Salmonella and Listeria monocytogenes, and the recombinant protein can be used as the animal health product, and can be used for preventing and treating pig and chicken intestinal diarrhea caused by Escherichia coli and Salmonella and food-borne digestive tract diseases caused by Listeria monocytogenes.

The invention discloses a yield-increasing and nitrogen-preserving agent for transforming hermetia illucens into livestock manure and application of the yield-increasing and nitrogen-preserving agent. The invention relates to a matrix additive for transforming hermetia illucens into livestock manure. The matrix additive consists of a component A, a component B and a component C, the component A is calcium sulfate, calcium phosphate or magnesium sulfate; the component B is furfural residue; the component C is zeolite, activated carbon or biochar. According to the method, the loss of nitrogen in the process of converting hermetia illucens into livestock manure can be remarkably reduced, the three selected raw materials have no toxic and inhibition effects on insect bodies, the physicochemical properties of the substrate are improved, the growth of the insect bodies is facilitated, the protein yield of a larva finished product is effectively increased, meanwhile, the fertility level and the nitrogen structure of insect sand residues are improved, and the yield of the larva is increased. The absorption by plants is easy. The use process is simple to operate, small in dosage, high in efficiency and beneficial to popularization.

The utility model discloses a multifunctional treatment vehicle for hermetia illucens cultivation, which comprises a vehicle frame, a stock bin is arranged on the vehicle frame, a storage battery pack, a control box and a material pump are arranged on the stock bin, the storage battery pack and the material pump are electrically connected with the control box, a lifting support is arranged at the end of the vehicle frame, and the control box is arranged on the lifting support. Two sets of lifting cylinders and working members are symmetrically arranged on the lifting bracket, and the working members are matched with the lifting cylinders one by one; the lifting support and the driving belt are arranged, the lifting cylinder and the working component can be stably and movably arranged on the lifting support, in addition, under the action of the driving belt, the working component can be controlled to ascend and descend so that the working component can be located in a gap between the upper breeding box and the lower breeding box, and convenience is provided for completing feeding, turning and clearing of materials; the mode that a worker needs to move the breeding box to complete feeding, turning over and clearing is changed, the labor intensity of the worker is reduced, and the working efficiency is relatively improved.

The invention relates to the technical field of hermetia illucens breeding, in particular to a non-contact control system of a hermetia illucens feeding machine. Comprising a host, an input and output device in signal connection with the host and used for man-machine interaction with the host, a sensor in signal connection with the host and used for sending environment parameter signals in the feeding machine to the host, and a controller used for controlling all functional mechanisms in the feeding machine. The host is provided with a wireless transmission module based on a transparent transmission protocol, and the wireless transmission module based on the transparent transmission protocol is in wireless signal connection with the controller through transparent transmission; non-contact control is adopted, signal wiring in the feeding machine is not needed, the wiring difficulty is greatly reduced, and the design difficulty of the feeding machine is reduced; a modularized controller is arranged for controlling each functional mechanism in the feeding machine, so that a user can perform point-to-point control and can obtain operation data of the functional mechanism in real time, and daily maintenance is facilitated.

The utility model belongs to the technical field of hermetia illucens breeding, and particularly relates to a hermetia illucens breeding frame which comprises a top plate, and a drawing assembly is arranged below the top plate. The drawing assembly comprises supporting rods, the multiple supporting rods are evenly fixed to the bottom of the periphery of the top plate, the peripheries of the supporting rods are sleeved with two evenly-distributed bearing plates, second sliding grooves are formed in the tops of the bearing plates, and breeding trays are slidably connected to the tops of the bearing plates. According to the device, a worker manually pushes and pulls a handle to enable a connecting rod to slide in a supporting frame, the connecting rod slides, so that a sliding block is driven to slide in a sliding groove in the supporting frame, a rotating strip on a connecting strip slides in an irregular groove in the sliding block, and when a breeding disc needs to be pushed into a bearing plate, a spring is matched with the connecting rod, so that the breeding disc is pushed into the bearing plate; limiting hooks at the bottoms of the sliding blocks abut against the second mounting plate under the action of a connecting roller and a U-shaped groove, and the effect of fixing the breeding disc is achieved.

The utility model discloses a hermetia illucens breeding automatic material distributing device which comprises a box body, feeding ports are symmetrically formed in the top of the box body, a stirring assembly is arranged in the box body, a material guiding port is formed in the bottom of the box body, a material distributing assembly is arranged at the bottom of the material guiding port, and a closing assembly used for sealing the material guiding port is arranged on the side wall of the box body. The material distributing assembly comprises a material guiding frame arranged at the bottom of the box body, a discharging opening is formed in the bottom of the material guiding frame, a discharging shaft is rotationally arranged in the middle of the discharging opening, a plurality of discharging plates are annularly arranged on the outer circle wall of the discharging shaft, and an output shaft and a second motor fixedly connected with the end of the discharging shaft are arranged on the side wall of the material guiding frame. The closing assembly comprises a sealing plate movably arranged at the bottom of the box body, first electric cylinders are symmetrically arranged on the side walls of the box body, the telescopic ends of the first electric cylinders are connected with a connecting base, and a second electric cylinder with the telescopic end fixedly connected with the sealing plate is arranged at the top of the connecting base.

Provided is a culture medium for enhancing the content of cordycepin from Cordyceps militaris, wherein the culture medium comprises Hermetia illucens adult insects. According to the present invention, the culture medium can ensure a significantly higher cordycepin yield than conventional grain-based media or pupa-based media by means of a method for extracting cordycepin from Cordyceps militaris cultured using Hermetia illucens adult insects as a host.

The utility model discloses a hermetia illucens fecula screening device, and relates to the technical field of hermetia illucens cultivation, the hermetia illucens fecula screening device comprises a screening box, a mounting frame is arranged in the screening box, a sliding frame is arranged at the bottom of the mounting frame, a driving piece is arranged at the bottom of the sliding frame, a positioning frame is arranged at one end of the driving piece, and the positioning frame is arranged at the other end of the driving piece. A screening frame is arranged on one side of the positioning frame, a cleaning assembly is arranged at the top of the screening frame and comprises a water storage tank, a top cover is arranged at the top of the water storage tank, a water outlet pipe is arranged at the bottom of the water storage tank, a connecting transverse pipe is arranged at the bottom of the water outlet pipe, and a spray head is arranged at the bottom of the connecting transverse pipe. The cleaning assembly is arranged to clean the screened screening frame, the water outlet pipe and the connecting transverse pipe are arranged to convey clean water in the water storage tank, and the spray heads are arranged to spray out the clean water, so that cleaning of the screening frame is achieved, and the situation that fecula is accumulated in the screening frame, and the screening frame is blocked is prevented.

This invention provides a multi-component resource utilization process for black soldier fly larvae larvae slurry, relating to the field of insect resource utilization technology. The process sequentially includes raw material pretreatment, compound enzymatic hydrolysis, lactic acid bacteria fermentation, stratified separation, and targeted treatment of each component. The compound enzymatic hydrolysis uses a combined enzyme system of trypsin and papain, and the lactic acid bacteria fermentation uses *Lactobacillus plantarum*. The fermentation parameters are: carbon-to-nitrogen ratio of 20:1, material-to-liquid ratio of 4:1 (w / v), pH of 6.5, fermentation temperature of 37°C, and fermentation time of 24 hours. This process achieves the synergistic recovery and high-value utilization of all components of black soldier fly larvae. A single process can simultaneously produce four types of products: insect oil, water-soluble fertilizer, antimicrobial peptide additives, and antibiotic-free aquatic feed ingredients, significantly improving resource utilization and industrial added value. The entire process involves no organic solvent addition, employs low-temperature enzyme inactivation to reduce energy consumption, is environmentally friendly and energy-saving, and avoids antibiotic resistance issues.