30 results about "Feather meal" patented technology

The invention provides an integrated feather collection and treatment device for a poultry slaughtering defeathering wastewater pool, belongs to the technical field of poultry feather wastewater treatment, and solves the problems of single function, low collection and treatment efficiency and the like of existing feather collection and treatment equipment. Comprising a defeathering wastewater pool assembly, a steel hanger rail chain, a soaking and impurity removing pool, a residual liquid flushing box, a winnowing and screening mechanism, a roller drying mechanism, a smashing mechanism and a draining pool, a plurality of clamping type feather collecting boxes which are evenly distributed at equal intervals are arranged on the steel hanger rail chain, and a filtering box is arranged at the upper end of the steel hanger rail chain; a water pump is arranged among the filter box, the defeathering wastewater pool assembly and the residual liquid flushing box, a residual liquid flushing mechanism is arranged on the residual liquid flushing box, and the crushing mechanism is located at the discharging end of the roller drying mechanism. According to the method, the waste feathers in the slaughter wastewater are converted into fine feather meal with economic value, and through efficient collection, cleaning, drying, smashing and precise winnowing grading, the feather products which are different in specification and can be recycled are finally obtained.

The invention relates to the technical field of feather meal processing, in particular to feather cleaning equipment for feather meal preparation, which comprises a cleaning device, a dewatering device and a negative pressure pump, the cleaning device is composed of a cleaning tank and a feather bailing mechanism, and a water filtering plate and a stirring assembly are arranged in the cleaning tank; the feather bailing mechanism comprises a plurality of groups of transverse pipes, longitudinal pipes and feather fishers with sharp convex net plates, guide rods are connected through a linkage frame, and a crank connecting rod type control mechanism is arranged on the bracket; the dewatering device comprises a dewatering box and a dewatering filter drum rotationally sleeved, one end of the dewatering box is provided with a rotary joint, the other end of the dewatering box is provided with a sealing door, and a servo motor II in the box drives the filter drum to rotate through a gear ring; the negative pressure pump is connected with the dehydration box through a suction pipe, so that the pipeline and the dehydration box are in negative pressure. During working, the stirring assembly cleans the feathers, the control mechanism drives the fisher to bailing the feathers to the longitudinal pipe, the feathers are sucked into the dewatering filter cylinder through negative pressure, and centrifugal and negative pressure cooperative dewatering is achieved, so that integration of cleaning, conveying and dewatering of the feathers is achieved.

The utility model relates to the technical field of feather meal production, in particular to a hydrolyzed feather meal feeding device which comprises a frame body, a powder pushing mechanism, a lifting mechanism, a motor, a screw rod and two fixing rods, the motor is mounted on one side of the powder pushing mechanism on the frame body; the lead screw is parallel to the pushing direction of the powder pushing mechanism, one end of the lead screw is rotationally connected to the frame body and located on the other side of the powder pushing mechanism, and the other end of the lead screw is coaxially connected with an output shaft of the motor. The two fixing rods are fixedly arranged on the frame body, located on the two sides of the lead screw respectively and parallel to the lead screw. The screw rod is sleeved with the middle of the lower end of the lifting mechanism in a threaded mode, and the two fixing rods are slidably sleeved with the two sides of the lower end of the lifting mechanism correspondingly. According to the feather powder feeding device, the safety problem caused by the fact that workers need to be close to a powder receiving device during feeding of an existing feather powder feeding device can be solved.

The invention belongs to the technical field of breeding, and particularly relates to a low-cost larimichthys crocea parent fish feed with high vegetable protein replacing fish meal. The invention discloses a feed additive, which accounts for the total weight of the feed. The low-cost pseudosciaena crocea parent fish feed comprises 10% of Peru steam fish meal, 23% of soybean protein concentrate, 12.5% of corn protein powder, 8.25% of shelled soybean meal, 18.4% of high gluten flour, 8% of chicken meal, 3% of blood cell powder, 2.5% of feather meal, 2% of soybean oil, 3.5% of fish oil, 2% of soybean lecithin oil, 1% of mineral premix, 0.2% of vitamin premix, 1.25% of beer yeast, 0.1% of vitamin C phosphate, 0.1% of glucan and 2% of monocalcium phosphate. The traditional Chinese medicine composition is prepared from, by weight, 0.6% of squid paste, 0.1% of ethoxyquin, 1% of taurine and 0.5% of choline chloride. The larimichthys crocea feed is reasonable in formula design, soybean protein concentrate and the like are used for replacing part of fish meal in traditional larimichthys crocea feed, the feed manufacturing cost and the larimichthys crocea parent fish feeding cost can be effectively saved, and meanwhile the growth performance of the larimichthys crocea parent fish is not remarkably affected.

This invention relates to the field of feed science and technology, specifically to a feed preparation method for improving the appearance, oiliness, and color of pig concentrate. The concentrate consists of a main ingredient and auxiliary ingredient system. The main ingredient core includes 100-350 parts of 46% protein dehulled soybean meal, 150-300 parts of high-temperature, high-pressure hydrolyzed feather meal, 15-30 parts of grade IV degummed soybean oil, and 15-40 parts of phospholipid oil powder, etc.; the auxiliary ingredients include fruit and milk flavoring agents that target the olfactory preferences of growing pigs. The process strictly limits the pore size of the bulk plant raw materials to 1.5-2.0 mm and uses lipid emulsification spraying technology to construct a "reflective microemulsion film" on the powder surface. This invention utilizes the optical superposition of the solid golden color of hydrolyzed feather meal and the deep yellow color of grade IV soybean oil to give the product a golden, delicate, and long-lasting glossy appearance. Furthermore, the solution overcomes the palatability bottleneck of high-proportion feather meal replacing conventional protein, effectively improving the daily weight gain of pigs and significantly reducing the rate of hindgut diarrhea.

The utility model relates to deodorization purification device technical field discloses hydrolytic feather powder processing tail gas deodorization purification device, including hydrolytic feather powder processing ware, the one end fixed connection of hydrolytic feather powder processing ware has first exhaust pipe, the one end of first exhaust pipe away from hydrolysis feather powder processing ware is provided with sealing assembly, and sealing assembly includes the outer shell of first exhaust pipe away from hydrolysis feather powder processing ware one end fixed connection, both ends fixed connection have first support plate of outer shell, and the one end fixed connection of first support plate away from outer shell is fixedly connected on hydrolytic feather powder processing ware, the one end fixed connection of outer shell away from first exhaust pipe has second exhaust pipe, and the inside of outer shell is close to the one end of first exhaust pipe and is provided with filter element, can cooperate through sealing assembly and filter element etc., the feather powder that sticks to the surface of filter screen is cleaned, avoids because the feather powder that sticks to the surface of filter screen is blocked, influences the follow -up filtration effect, thereby maintains the effect that deodorization purification device handles tail gas.

The invention relates to the technical field of water-soluble fertilizers, and particularly discloses a method for preparing a water-soluble fertilizer by using a subcritical hydrolysis technology, which comprises the following steps: selecting ingredients, selecting animal raw material feather, steaming and crushing to obtain feather powder, selecting plant raw material soybean meal, crushing and deoiling to obtain soybean meal powder, selecting microbial raw material mushroom bran, drying and crushing to obtain the water-soluble fertilizer. Selecting deionized water, sulfuric acid and urea; the feather meal is rich in high-content keratin, the feather meal can be decomposed into amino acid and short-chain peptide in the subcritical hydrolysis process by adding the feather meal, a quick-acting nitrogen source capable of being directly absorbed by plants is provided, meanwhile, the sulfur element is released, and the defect of sulfur in a traditional fertilizer is overcome; the small molecule peptide and the free amino acid are complementary with the amino acid spectrum of the feather meal, so that a more comprehensive plant nitrogen source is formed.

FIELD: veterinary medicine and dietetics.SUBSTANCE: development of complete feed compositions that can provide a therapeutic effect in cases of exocrine pancreatic insufficiency. The composition of a complete dietary feed for cats with exocrine pancreatic insufficiency has been developed in the following ratio, wt.%: grain part: mixture of rice, wheat, hulled barley and corn – 37.0; protein part of plant origin: isolated soy protein, beet pulp, wheat bran, flax seeds – 22.0; protein part of animal origin: feather meal, chicken liver, egg powder – 25.0; mineral supplement: feed chalk, monocalcium phosphate, table salt, plantain seeds Plantago psyllium, mannanoligasaccharides with beta-glucans and lutein – 2.0; vitamin premix: A, D3, E, K, B1, B2, B3, B5, B6, B12, Bc, H, taurine, inulin, beech lignocellulose, complex of natural fulvic and humic acids – 2.5; flavor enhancer in the form of enzymatic hydrolysate of pork and chicken by-products – 3–3.5; brewer's yeast – 2.5–3.0; a mixture of fish and chicken fat – 5.0–6.0.EFFECT: obtaining food for cats with exocrine pancreatic insufficiency, which is easily reproducible, clinically effective, and convenient in dosing and use.1 cl, 3 tbl, 1 ex

The application discloses a continuous hydrolysis and drying device for processing body feathers of animals, and relates to the technical field of hydrolysis and drying devices.The device comprises a hydrolysis and drying machine cylinder body, one end of the hydrolysis and drying machine cylinder body is provided with a driving mechanism, and the other end of the hydrolysis and drying machine cylinder body is provided with a discharge chute.The device can not only suck the body feather powder in the hydrolysis and drying machine cylinder body into the discharge chute, but also can discharge the body feather powder above the discharge chute from the discharge chute, and can avoid the backflow of the body feather powder into the hydrolysis and drying machine cylinder body.The device can control the mutual approach or separation of the spiral blade and the spiral conveying blade, and can realize the automatic entry and discharge of the body feather powder.The device can ensure the synchronous rotation of the spiral blade and the spiral conveying blade, can ensure that the position of the first moving plate and the position of the closing plate are always in the closed state, and can isolate the body feather powder on both sides of the first moving plate.

The application provides a method for promoting degradation of waste feather by feather powder. The method is characterized in that feather powder is added to an inorganic salt culture medium containing waste feather as the only carbon and nitrogen source, and then microorganisms with the function of degrading keratin are inoculated to degrade the waste feather. The method has the advantages of short degradation time of waste feather, significantly improved degradation rate and keratinase activity, low cost and easy operation. The application can accelerate the green transformation and high-value application of waste feather, and can screen and enrich germplasm resources for degrading keratin, thereby helping to realize the green and circular high-quality development of the livestock and poultry breeding industry.

The invention discloses electron accelerator equipment for feather meal irradiation, which is characterized in that a feather meal track is provided with an irradiation hall in a matching manner, the irradiation hall is provided with an accelerator, and powder directly falls into a stock bin after being irradiated by the irradiation hall. According to the technical scheme adopted by the invention, the accelerator production line is put, and the traditionally modified feather meal is irradiated, so that the amount of acidic protein is increased.

The utility model relates to hydrolysis feather powder stirrer technical field discloses hydrolysis feather powder stirrer shearing force enhancement mechanism, including the stirring box, the upper end of stirring box is opened to have the feed inlet, and the lower end inside of stirring box is opened to have the discharge gate, and the middle end of stirring box is provided with the mixing subassembly, and the mixing subassembly includes the motor that sets up the motor output shaft penetrates stirring box fixed connection has the double -screw propeller of both ends rotationally connected in stirring box, and the motor output shaft is provided with transmission assembly, and transmission assembly upper end is provided with stirring subassembly, and the upper end outside of stirring subassembly is provided with the cover subassembly, and the double -screw propeller lower end is provided with the filter component, and transmission assembly includes the shell fixed connection of motor close to stirring box one side, can cooperate through mixing subassembly and transmission assembly etc.

The invention discloses a mink pellet feed capable of enhancing immunity and reducing body fat level, and relates to the technical field of mink feed preparation, the mink pellet feed comprises the following raw materials by mass: 25%-40% of puffed corn, 10%-30% of puffed soybean meal, 3%-7% of alcohol meal, 10%-15% of fish meal, 10%-17% of meat and bone meal, 3%-8% of feather meal, 0.5%-2% of yeast powder, 0.5%-2% of a premix, and 2%-10% of vegetable oil. Through reasonable formula design, growth and development of the minks are promoted, and the mink feed has the effects of reducing blood fat and enhancing immunity of the minks.

The application discloses a kind of biological organic fertilizer containing soybean phospholipid and feather powder and a preparation method thereof, and belongs to the technical field of biological organic fertilizer.The biological organic fertilizer is obtained by solid-state fermentation after adding soybean phospholipid, pretreated feather powder and compound fermentation agent to rotten poultry manure as carrier, and the amount of each raw material according to weight parts is as follows: rotten poultry manure 40-60 parts, soybean phospholipid 15-30 parts, pretreated feather powder 20-35 parts, and compound fermentation agent 3-5 parts.The biological organic fertilizer containing soybean phospholipid and feather powder prepared by the application not only solves the problem of insufficient utilization of soybean phospholipid and feather resources in the prior art, but also shows great application potential and value in agricultural production, providing an effective solution for the sustainable development of modern agriculture.

The invention discloses a bio-organic fertilizer containing soybean lecithin and feather meal and a preparation method of the bio-organic fertilizer, and belongs to the technical field of bio-organic fertilizers. The biological organic fertilizer is obtained by taking decomposed livestock and poultry manure as a carrier, adding soybean phospholipid, pretreated feather meal and a compound fermentation inoculant and then performing solid-state fermentation, and the raw materials in parts by weight are as follows: 40-60 parts of the decomposed livestock and poultry manure, 15-30 parts of the soybean phospholipid, 20-35 parts of the pretreated feather meal and 3-5 parts of the compound fermentation inoculant. The prepared bio-organic fertilizer containing soybean phospholipid and feather meal not only solves the problem of insufficient utilization of soybean phospholipid and feather resources in the prior art, but also shows huge application potential and value in agricultural production, and provides an effective solution for sustainable development of modern agriculture.

The invention relates to a formula of a feed for Wode 168-2 broiler chickens, and belongs to the technical field of animal breeding. The formula of the feed for the broiler chickens of 1-18 days old comprises the following raw materials in parts by mass: 410-420 parts of corn, 50-55 parts of corn protein powder, 15-20 parts of feather meal, 10-20 parts of Meisuo Q50, 15-20 parts of poultry oil, 15-20 parts of meat meal, 230-240 parts of soybean meal, 11-12 parts of calcium hydrogen phosphate, 140-160 parts of flour, 20-30 parts of cottonseed meal, 11-12 parts of fine stone powder and 23 parts of an early-stage premix feed. The feed is suitable for feeding the white chickens of the Wide 168-2 variety, and has the advantages of being good in vertical transmission purification, low in meat making cost, low in medicine cost and high in yield efficiency.

The invention relates to the technical field of mushroom culture, and particularly discloses a mushroom culture nutrition bar and a preparation method and application thereof.The nutrition bar comprises a bar-shaped inner core, and the bar-shaped inner core is a bamboo stick; the externally attached nutritional agent is tightly adhered to the outer surface of the rod-shaped inner core; the diameter of the nutrition bar is 4 mm, the length of the bar-shaped inner core is 29.5 cm, the diameter of the bar-shaped inner core is 1.5 mm, and the adhesion length of the externally attached nutritional agent is 28 cm. The external nutritional agent is prepared from the following raw materials: soybean meal, feather meal, sodium acetate, potassium fulvate, sodium acetate, monopotassium phosphate, magnesium sulfate and urea. The invention provides a nutritional supplement solution for mushroom cultivation, which integrates high efficiency, economy, simplicity, convenience and safety; the method plays an important role in promoting the overall benefit and technical level of the shiitake mushroom industry.

The invention provides a method for preparing feather protein powder by jointly applying sodium phosphate and sodium bicarbonate as catalysts, and belongs to the technical field of biomass resource utilization. The method disclosed by the invention comprises the following steps: dispersing feathers in water, then adding the feathers into a mixed solution of sodium phosphate and sodium bicarbonate, and sequentially carrying out heating, pressurizing and drying treatment to obtain the feather protein powder. According to the method, sodium phosphate and sodium bicarbonate are combined for preparing the feather protein powder, so that the high-alkalinity condition required by hydrolysis of keratin can be considered, the defect of excessive hydrolysis of the feather powder caused by treatment with a strong-alkalinity solvent is overcome, the color and quality of the product are ensured, and the preparation cost of the feather protein powder is reduced.

The application relates to the technical field of down and fly silk separation, and discloses a device for separating down and fly silk from feather dust, which comprises a processing box body, a lower hopper A arranged at the middle of one side of the bottom of the processing box body, an inlet hopper arranged at one side of the top of the processing box body, and a filtering box arranged at the top of one side of the processing box body; the driving motor provides driving force for the air inlet fan blade and the air inlet fan, the rotation of the air inlet fan blade provides wind power for the inside of the processing box body, the feather dust in the processing box body is separated, the air inlet fan synchronously drives airflow to circulate to the inside of the flow-around air pipe, the airflow enters the processing box body through the air inlet through hole at one end of the flow-around air pipe to blow the feather dust in the processing box body, the airflow direction is perpendicular to the airflow direction input by the air inlet fan blade, the airflow in the processing box body is multidirectional, and the separation efficiency of the down and fly silk in the feather dust is improved.

The invention discloses a feed and a preparation method thereof, and relates to the technical field of feeds, and the feed comprises the following raw materials in percentage by mass: 15%-25% of corn, 10%-25% of wheat, 10%-15% of flour, 5%-6% of a broiler premix, 2%-4% of corn water-soluble protein, 2%-5% of corn protein powder, 1%-1.5% of feather meal, 0.02%-0.04% of xylanase, 0.5%-0.9% of lysine, 0.1%-0.35% of methionine, 0.1%-0.3% of threonine and 20%-30% of soybean meal. The feed disclosed by the invention has the characteristics of low pulverization rate, high particle durability and relatively high hardness.

The invention discloses pichia kudriavzevii capable of degrading feather meal, and belongs to the technical field of application of microorganisms in agriculture and animal husbandry. The strain is preserved in China Center for Type Culture Collection of Microorganisms, the address is China Center for Type Culture Collection, Wuhan University, Wuhan, Hong Mountain area, Wuhan, Hubei Province, the preservation date is April 24, 2025, the preservation number is CCTCC M 2025876, and the strain is classified and named as Pichia kudriavzevii Ker01. The bacterial strain can degrade feather meal keratin through a fermentation method and increase the small peptide content of feather meal, so that the feather meal is promoted to be used as a protein feed raw material, and the bacterial strain is a probiotic with high application value and has important significance on development of animal husbandry and feed fermentation industry.

The invention discloses a preparation method of phosphorus-doped long-life feather-derived phosphorescent carbon dots. The preparation method comprises the following steps: S1, carrying out hydrothermal reaction in deionized water by taking feather meal as a carbon source and taking acid containing phosphorus element as a phosphorus source; s2, cooling a reaction product obtained after the hydrothermal reaction to room temperature, and filtering to obtain a carbon dot solution; s3, purifying the carbon dot solution obtained in the step S2 by using column chromatography; and S4, freezing the purified carbon dot solution, and freeze-drying in a freeze dryer to obtain the phosphorus-doped long-life feather-derived phosphorescent carbon dots. The preparation method is wide in raw material source, low in cost, green, environment-friendly, low in toxicity, simple, mild in reaction condition, high in yield, green, pollution-free and suitable for batch production; the blue fluorescent light can be displayed under ultraviolet light, green phosphorescence is generated after an ultraviolet light source is removed, the service life of the green phosphorescence can reach 1.15 s along with the phosphorescence, and the fluorescent / phosphorescence dual-mode anti-counterfeiting effect and information encryption can be achieved.

The invention discloses a method for improving the protein bioavailability of feather meal produced by different processes through irradiation, which is characterized in that an accelerator production line is put, and the processed feather meal is subjected to electron irradiation to improve the acid soluble protein content. The irradiation technology can be used for cracking feather keratin which is difficult to degrade, so that the amount of soluble protein in the feather meal is increased; irradiation has breaking and oxidation modification effects on protein, and the irradiation treatment can break disulfide bonds, hydrogen bonds, salt bonds and the like in the protein, so that secondary and tertiary structures of the protein are changed, and protein denaturation and function loss are caused.

The invention discloses a feeder cattle fattening feed and a preparation method thereof, and the feeder cattle fattening feed comprises the following components in parts by weight: corn straw, sassafras leaves, medicago sativa, myriophyllum spicatum, myotonin, feather meal, fishbone dust, calcium hydrogen phosphate, carrots, salt, soybean oil, a traditional Chinese medicine additive, betaine and cane sugar. The corn straw and the sassafras leaves provide crude fibers to promote rumen fermentation, the feather meal and the fish bone meal supplement high-quality protein, and the palatability is improved through a puffing process. The traditional Chinese medicine additive can significantly improve the serum immune globulin level and reduce common diseases such as cold and diarrhea. Calcium hydrogen phosphate promotes calcium and phosphorus absorption and improves skeletal development; the probiotics and the dietary fibers cooperate to regulate the intestinal microecology. The double-shaft extrusion puffing process shortens a raw material processing chain and reduces energy consumption, puffed particles are long in storage time, process data are recorded to a block chain to facilitate data tracking, and the method is suitable for being used in large-scale farms.

This invention discloses a method for preparing and applying a microbial protease liquid fertilizer, comprising the following steps: S1. Mixing animal and plant protein raw materials with water, and subjecting them to physical-assisted cell wall disruption to obtain a pretreated protein slurry; S2. Inoculating with a composite seed liquid, and performing aerobic fermentation and enzymatic hydrolysis at 45-50℃ for 48-60 hours, maintaining the pH of the fermentation broth at 6.5-7.5 to obtain an enzymatic hydrolysate; S3. Cooling to 28-35℃, inoculating with a mixed probiotic agent, and performing anaerobic or facultative anaerobic fermentation for 48-72 hours to obtain a fermentation broth; S4. Adding trace element salts, and stirring the reaction at 40℃ to 45℃ for 1.5-2.5 hours to allow small molecule active peptides in the fermentation broth to undergo in-situ complexation with metal ions, followed by post-treatment to obtain the microbial protease liquid fertilizer; Through the synergistic effect of physical cell wall disruption and composite enzymatic hydrolysis, the conversion efficiency of recalcitrant waste protein raw materials such as feather meal is significantly improved.

The invention provides a high-vegetable-protein compound feed suitable for breeding large yellow croakers in a high-temperature period in summer and a preparation method of the high-vegetable-protein compound feed. The feed is prepared from the following components: 10% of Peru super fish meal, 23% of soybean protein concentrate, 10.75% of corn protein powder, 10% of hulled soybean meal, 19.36% of high gluten flour, 8% of chicken meal, 3% of blood cell powder, 2% of soybean oil, 3.5% of fish oil, 2% of soybean phospholipid oil, 2.5% of feather meal, 1% of mineral premix, 0.2% of vitamin premix, 1.25% of beer yeast, 0.05% of taurine, 0.1% of vitamin C phosphate, 0.09% of beta-glucan, 2% of light calcium phosphate, 0.55% of compound attractant, 0.1% of preservative, 0.05% of antioxidant and 0.5% of choline. The fish meal dosage can be greatly reduced, the feed cost can be controlled, and the feed intake, the feed conversion rate, the growth speed and the survival rate under high-temperature stress can be guaranteed.

The invention relates to the technical field of microbial complex microbial agents, in particular to peony nanocarbon liquid EM flora microbial agent composite compost which comprises the following raw materials in parts by weight: 2-4 parts of streptomyces microflavus zymophyte liquid, 2-4 parts of bacillus firmus zymophyte liquid, 1-3 parts of rhodovulum sulfidophilum culture liquid and 1-3 parts of nanocarbon solution. The peony fertilizer is prepared from 3-5 parts of kitchen waste filter residues, 10-12 parts of animal feather meal, 150-250 parts of decomposed cow dung, 80-120 parts of peanut straw, 2-4 parts of oil residues, 20-40 parts of feather meal, 10-12 parts of slaked lime, 2-4 parts of nitrogen, 20-40 parts of soybean meal, 20-40 parts of soybean curb residues, 4-6 parts of boric acid, 20-30 parts of phosphorus, 2-4 parts of magnesium sulfate, 2-4 parts of zinc oxide and 2-4 parts of potassium permanganate. Meanwhile, the granular structure of the soil is improved, the pH value of the soil is reduced, the EC value is increased, the activities of urease, sucrase, neutral phosphatase, alkaline phosphatase and catalase in the soil are improved, the photosynthesis of the peony is promoted, and the economic benefits of peony planting are increased.

The utility model discloses a quick cooling device for steam explosion feather meal, which relates to the technical field of feather meal production, and comprises an outer box body, the outer box body is supported on a bottom plate through a support, an inner cooling box is arranged in the outer box body, and the inner cooling box is connected in the outer box body through a plurality of springs. The two ends of the spring are connected with the inner peripheral side wall and the outer peripheral side wall of the inner cooling box and the outer box body respectively, a vibration motor is installed on the inner cooling box, and a sieve plate is arranged on the bottom wall of the inner cooling box. By means of the circulating refrigeration path among the circulating refrigeration equipment, the water inlet / outlet pipe, the stirring shaft, the hollow interlayer of the inner cooling box and the water cooling pipe, efficient circulation of cooling liquid in the inner cooling box is achieved, the temperature of feather meal can be rapidly reduced, protein denaturation and amino acid oxidation caused by high temperature are avoided, and the quality of feather meal is improved. And the side wall and the center of the inner cooling box can be cooled at low temperature, so that the uniformity of the cooling process is improved.

The invention discloses a novel green feather meal processing technology based on an irradiation treatment technology, which comprises the following steps: pre-treating collected to-be-processed feathers, introducing the pre-treated feathers into irradiation equipment for irradiation treatment, and directionally shearing keratin disulfide bonds of the feather meal through the irradiation of the irradiation equipment, an irradiation process and a pretreatment process of feather meal are coupled and seamlessly connected with a microbial fermentation process, a'cold processing 'production process in which the pretreatment process and the sterilization process of the feather are synchronous and irradiation splitting decomposition and biodegradation are coordinated is established, and traditional process processing links such as high temperature, corrosion and high energy consumption are avoided; and a novel environment-friendly, energy-saving, green and efficient production process is formed.