181 results about "Bone meal" patented technology

The invention discloses an intelligent fault diagnosis method and system for a cattle bone powder production line, and relates to the related technical field of production fault diagnosis, and the method comprises the steps: collecting equipment operation data and technological parameters of the cattle bone powder production line in real time through a multi-mode sensor, and obtaining a real-time monitoring data set; transmitting the real-time monitoring data set to an edge computing node for preprocessing; inputting the standard fusion data into the cloud digital twin, and dynamically simulating the operation state of the production line to obtain virtual-real mapped production line health state simulation data; analyzing through a hierarchical diagnosis engine to obtain a diagnosis result; and triggering a dynamic response according to a diagnosis result, and performing closed-loop intelligent operation and maintenance of the cattle bone powder production line. The technical problems that in the prior art, fault diagnosis is difficult to conduct on the cattle bone powder production line accurately in real time, the fault diagnosis result lags behind, and the production efficiency and the product quality are affected are solved, and the technical effect of improving the operation stability, the product quality and the production efficiency of the cattle bone powder production line is achieved.

The invention belongs to the field of preparation of organic fertilizers, and particularly relates to a moisturizing and drought-resisting bio-organic fertilizer and a preparation method thereof. The preparation method comprises the following steps: carrying out a cross-linking reaction on a boiled and crushed starch matrix, carboxymethyl cellulose and epoxy chloropropane to form a compound solution, and mixing the compound solution with mixed animal bone meal capable of enhancing the stress resistance of plants, so that the obtained nutritional base material can quickly provide nutrients for the plants for a long time; kelp and seaweed are mixed and ground into thick liquid, under the combined action of calcium chloride and tannic acid, a three-dimensional net-shaped structure is formed, the plant component containing the fungicide is put into the colloid component, and the obtained moisture-preserving and drought-resisting component can keep soil moisture for a long time; the long-acting stability-maintaining suspension can form a protective layer on the surface of soil, the moisturizing and drought-resisting component and the organic fertilizer mixture are mixed, and the prepared moisturizing and drought-resisting bio-organic fertilizer can efficiently and rapidly provide nutrients for crops, has the moisturizing and drought-resisting capacity and can play the moisturizing and drought-resisting roles in a long term.

The invention discloses a special organic fertilizer for kiwi fruits and a preparation method thereof. The organic fertilizer comprises the following raw materials in parts by weight: 50-70 parts of livestock and poultry manure, 30-50 parts of kiwi fruit branch and leaf residues, 10-20 parts of soybean meal, 5-10 parts of bone meal, 3-8 parts of humic acid and 1-3 parts of a microbial agent. The microbial agent comprises bacillus subtilis, bacillus mucilaginosus, saccharomycetes and lactic acid bacteria in a ratio of 1: 1: 1: 1. The raw materials are pretreated and then subjected to a mixed fermentation process to prepare the finished product. The organic fertilizer is comprehensive in nutrition, can meet the nutritional requirements of kiwi fruit growth, improves the soil environment, improves the fruit quality and yield, and has remarkable economic benefits and environmental benefits.

The invention relates to the technical field of fertilizer preparation, and particularly discloses a biological organic fertilizer rich in deep sea enzymolysis fish protein and a preparation method of the biological organic fertilizer. The biological organic fertilizer is prepared from the following components in parts by weight: 35 to 45 parts of organic fertilizer (containing deep sea enzymolysis fish protein, tobacco powder, meat powder and bone meal), 6 to 15 parts of compound microorganism (such as bacillus licheniformis and the like), 5 to 10 parts of medium element fertilizer, 1 to 2 parts of trace element fertilizer, 0.1 to 1 part of xanthan gum and sulfur suspension, 30 to 35 parts of outer layer fertilizer (containing humic acid, urea and the like) and 0.1 to 0.5 part of anti-blocking agent. The preparation method comprises the following steps: separately fermenting microorganisms to prepare bacterial powder; mixing, crushing and granulating the raw materials to form master batches; spraying xanthan gum and sulfur suspension on the surface of the master batch to form a film; spraying the outer-layer fertilizer slurry for several times; and finally, an anti-blocking agent is sprayed, and air drying is conducted. The deep sea enzymolysis fish protein is taken as a core, the balance of quick-acting fertilizer efficiency and slow release is realized, the soil structure can be improved, the crop growth is promoted, the stress resistance and the fertilizer utilization rate are improved, the soil-borne diseases are inhibited, and the method has the advantages of high efficiency, environment friendliness, economy, practicability and the like.

The application discloses a pH-responsive degradable composite bacteriostatic film derived from waste bone powder extract and a preparation method thereof. The main components of the film are collagen and hydroxyapatite extracted from waste bone powder, citric acid monohydrate-betaine and lactic acid-betaine eutectic solvent, and in addition, purple corn anthocyanin is used as a pH response agent, and citric acid monohydrate-betaine eutectic solvent is used as a crosslinking agent and a bacteriostatic agent. In the preparation process, collagen and hydroxyapatite are mixed with an aqueous solution of eutectic solvent and heated, and after the system is reduced to room temperature, the anthocyanin aqueous solution is added, mixed, and ultrasonic defoaming is performed, then the film forming liquid is poured into a clean mold, vacuum dried, and cooled to remove the film. The pH-responsive degradable composite film prepared based on the above method has good properties, not only has the characteristics that the overall color changes with the microenvironment pH, but also has good mechanical strength, bacteriostasis and degradability, and has wide application potential in many fields such as food preservation.

The invention provides a composition for changing plasticity of bone meal particles as well as a preparation method and application of the composition, and relates to the technical field of biomedical materials. The composition is prepared from the following raw material components: bioactive glass, dihydrazide modified sodium hyaluronate, sodium hyaluronate with the molecular weight of 50kDa to 500kDa, a polylactic acid-glycolic acid copolymer and carboxymethyl cellulose. The preparation method of the dihydrazide modified sodium hyaluronate comprises the following steps: carrying out carboxyl activation on sodium hyaluronate, carrying out a cross-linking reaction on the activated hyaluronic acid and adipic dihydrazide, and then terminating the reaction. The composition provided by the invention not only can provide support, but also can adjust the degradation rate to be matched with the bone regeneration period, and all the components synergistically improve the mechanical property and the viscoelastic property. The composition disclosed by the invention can be formed in situ at a bone defect part, provides a space for growth and proliferation of bone cells, improves the biological activity and osteoinductivity of an artificial bone, and promotes bone growth and repair.

The invention relates to the technical field of construction waste treatment, in particular to an efficient waste treatment device for construction engineering construction, which comprises a treatment box, a fixed seat is fixed on the treatment box, a conveying crawler belt is rotatably connected in the fixed seat, and a feeding hole is formed in one side of the treatment box corresponding to the top end of the conveying crawler belt; a vibrating screen conveying mechanism is mounted at the position, corresponding to the feeding hole, in the treatment box; according to the construction waste treatment device, construction waste is driven to move while being screened through the vibrating screen conveying mechanism, the construction waste is dried in cooperation with a draught fan and a heating pipe in the moving process, the situation that follow-up smashing is inconvenient due to the fact that water in the construction waste is too much is avoided, and the screened construction waste moves into the smashing and feeding assembly; therefore, construction wastes of different specifications are specifically crushed, and crushed bone meal is fed, so that the effect of integrally screening, drying, transporting, crushing and discharging is achieved.

This invention discloses a method and application for extracting soluble collagen from bones unearthed from archaeological sites, belonging to the field of archaeological sample processing technology. Specifically: 1) After pretreatment, the blocky ancient bone sample is dried at low temperature and ground into bone powder; the bone powder is added to an acidic solution for ultrasonic treatment, centrifuged, and the supernatant is filtered to obtain the sample to be loaded onto a column; 2) The sample to be loaded onto the column is subjected to chromatographic separation, using a gradient elution with equilibration buffer and elution buffer, and a UV detector is used to monitor protein peaks, collecting the target protein solution that elutes within 20-30 minutes; 3) Finally, the target protein solution is concentrated and purified using an ultrafiltration tube to obtain soluble collagen. This invention can obtain a sufficient amount of collagen from ancient deteriorated bone samples, significantly improving sample utilization and providing reliable technical support for bioarchaeological research.

The present application relates to a kind of technology for inducing marine sessile organism attachment, especially a kind of fiber reinforced ecological concrete and preparation method, belong to the cross field of marine sessile organism and marine concrete.Its material components include: cementitious material, broken stone, sand, water, dark pigment, biological calcium powder, calcium carbonate powder, trace element, chopped fiber and superplasticizer.The purpose of the present application is to induce sessile organism attachment, mainly oyster, in the tidal zone reinforced concrete corrosion prevention, considering the attachment of barnacle.By controlling to use dilute acid modification and composite grinding technology, the inducing capacity of bovine bone powder is fully exerted, the bovine bone powder content is greatly reduced, and corrosion prevention treatment and modification are carried out, a composite inducer mainly composed of bovine bone powder is realized, the content is small, and the concrete strength and permeability are almost not affected.

The invention discloses a compound fertilizer for Cinnamomum longepaniculatum planting and a preparation method thereof, and belongs to the technical field of fertilizers. According to the preparation method disclosed by the invention, the cinnamomum longepaniculatum leaf residues, the crop straws, the bean dregs and the bone meal are used as raw materials, manganese ions and zinc ions are used as auxiliary materials, and the surfaces of final fertilizer particles are coated with potassium hydrogen acid, so that the finally obtained compound fertilizer can contain a large amount of nutrient substances which can be effectively absorbed by root systems of cinnamomum longepaniculatum, and the effect of improving the yield is achieved. Therefore, the activity of a key enzyme for synthesizing the cinnamomum longepaniculatum oil in the cinnamomum longepaniculatum is activated, the accumulation of the cinnamomum longepaniculatum oil in the leaves is promoted, and the cinnamomum longepaniculatum oil content in the cinnamomum longepaniculatum leaves The coated potassium hydrogen sulfate can release potassium ions and hydrogen sulfate ions, so that the content of potassium in the fertilizer is increased, most importantly, the soil acidity and alkalinity can be adjusted, and a fertilization area is weakly acidic, so that the absorption of the root system of the cinnamomum longepaniculatum on effective substances can be promoted, and the yield of the cinnamomum longepaniculatum is increased. The utilization rate of the fertilizer is increased; meanwhile, the content of the cinnamomum longepaniculatum oil in the cinnamomum longepaniculatum leaves can be

The invention relates to the technical field of biology, in particular to a biological substrate modification composition, a preparation as well as a preparation method and application of the biological substrate modification composition. The biological substrate modification composition provided by the invention is prepared from the following components: bacillus subtilis YXSY-01 bacterial powder, sphingomonas aquatic bacteria HD-01 bacterial liquid, bentonite, oyster shell powder, attapulgite, zeolite powder, fish bone meal of raw fish and water. The biological substrate modification composition is prepared from the following raw materials in parts by weight: 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch and 20-30% of corn starch. The biological substrate modification composition and the preparation provided by the invention have the capabilities of degrading faeces of bred animals and reducing the content of nitrite. The composition and the preparation can reduce the accumulation of excrement of cultured animals in a culture pond, reduce the nitrite content, purify the water quality of the culture pond and reduce the morbidity of the cultured animals.

The present application relates to a kind of calcium peptide chelate based on defatted sheep bone powder homologous recombination and its preparation method and application, preparation method, including the following steps, defatted sheep bone powder is mixed with water, flavourzyme is added to carry out enzymolysis, enzyme is inactivated after enzymolysis, and the enzymatic hydrolysate containing bone-derived peptide is obtained;Lactic acid is added in enzymatic hydrolysate and is hydrolyzed, so that calcium ion is dissolved, and the mixed solution containing bone-derived peptide and calcium ion is obtained;Mixed solution is carried out chelation under neutral condition, after reaction, aftertreatment is carried out, and calcium peptide chelate is obtained;Calcium peptide chelate prepared according to the above preparation method is used as salty taste enhancer, salt-reducing auxiliary agent or flavor enhancer, and its application in food.The present application has the advantages of homologous resource recombination, improves chelation rate, raw material utilization rate is high, realizes sheep bone by-product high value, process safety, can add chelate to clear soup base material, so as to reduce sodium, the effect of calcium supplement, salty seasoning.

The utility model relates to the technical field of bone meal operation device, and disclose a kind of bone meal multistage fine crushing combined operation equipment, including support assembly, the front side top of support assembly is fixedly installed with bottom polishing assembly, the top of bottom polishing assembly is correspondingly provided with top polishing assembly, top polishing assembly is fixedly installed in the top of lifting adjustment component, lifting adjustment component is slidably installed in the outer wall of support assembly rear side.The utility model is provided with adjusting pulverizing box assembly on the device, so that when using the device, the adjusting pulverizing box assembly can provide the working effect of collecting powder during the grinding work, after completing the work, the adjusting pulverizing box assembly can provide the working effect of unfolding and exporting at this time, and the angle adjustment of corresponding export can be carried out for the docking box or device of different height.

This invention discloses a pet food with coat-enhancing, shine-promoting, and coat-protecting effects, its preparation method, and applications. The food comprises the following components: chicken meal, fresh chicken meat, duck meal, sardine meal, chicken liver, sweet potato meal, corn meal, chicken heart, beef bone meal, duck meat pear, chicken oil, and egg yolk granules; coriander root powder, inulin, seaweed powder, beet pulp, flaxseed, fish oil, cranberry powder, carrot, krill, honeysuckle, turmeric, chrysanthemum, mannan oligosaccharide, lactulose, etc. The raw materials and auxiliary ingredients of this pet food are widely available, palatable, inexpensive, and readily available. The coriander root powder, other auxiliary ingredients, and nutritional supplements / additives work synergistically to improve the shine of the pet's coat, promote growth, and maintain coat health, while also improving the microstructure of the hair cuticle, fundamentally preventing pet coat health problems. The pet food preparation method disclosed in this invention is simple to operate, safe, and environmentally friendly, and is particularly suitable for feed products with high humidity and high heat sensitivity.

The invention relates to a preparation method of a plastic bone grafting material and the plastic bone grafting material.The preparation method comprises the following steps that a, phenyl phosphate lithium salt is dissolved in a phosphoric acid buffer salt solution to obtain a mixed solution, and Ge MA is dissolved in the mixed solution to obtain a Ge MA gel solution; b, bone meal and the Ge MA gel solution are subjected to a cross-linking effect, so that the bone meal and the Ge MA gel solution are fully mixed, then light source irradiation is conducted, the bone meal hydrogel bone grafting material is obtained, and the particle size of the bone meal is 0.25-0.5 mm. According to the preparation method of the plastic bone grafting material, provided by the invention, the bone meal and the Ge MA gel solution are subjected to cross-linking and then subjected to light source irradiation, so that the bone meal and the hydrogel are uniformly mixed, the compatibility of an organic phase and a bone meal particle interface is good, and the prepared plastic bone grafting material is relatively high in plasticity and good in osteoinductivity; and the cell adhesion rate is high.

The invention belongs to the technical field of solid waste treatment, and particularly discloses a preparation method for increasing the content of soluble calcium in fish bones. The method comprises the following steps: pretreating fish bones to obtain fish bone powder; mixing fish bone meal and water, and sterilizing to obtain a fermentation substrate; according to the method, bacillus subtilis, lactobacillus plantarum and saccharomycetes are adopted for multi-strain sequential fermentation, the bacillus subtilis is inoculated firstly for ventilation fermentation for 2-4 days, the pH is adjusted to 6.5-7.0, then sterilization is performed, a carbon source is added, a mixed bacterium solution of the lactobacillus plantarum and the saccharomycetes is inoculated, and ventilation fermentation is performed for 2-4 days. Through a specific strain combination and an innovative sequential fermentation process, the enzyme production capacity of bacillus subtilis and the acid production capacity of lactobacillus plantarum and saccharomycetes are remarkably improved, dissolution of calcium in fish bones is synergistically promoted, the problem of bitter taste generated by a traditional enzymolysis method is avoided, and the method has the advantages of high efficiency, greenness and complete nutrition retention.

The invention discloses an animal feed additive composition, an animal feed and application of the animal feed. The animal feed additive comprises marine animal-derived hydroxyapatite, takifugu fish skin glue, composite algae powder and euphausia superba powder. Marine animal source hydroxyapatite is derived from takifugu calthrop bone meal. The animal feed additive composition comprises the following components in percentage by mass: 40%-50% of takifugu calthrop bone meal; 10%-15% of takifugu fish skin glue; 30%-40% of composite algae powder; and 10%-15% of euphausia superba powder. The invention also discloses an animal feed, which comprises a basal feed and the animal feed additive composition accounting for 3.0-6.0% of the mass of the basal feed. According to the application, the takifugu calthrops are converted into the animal feed additive composition with high additional value from fish skin processing waste for the first time, so that single-component chemical additives such as stone powder and calcium hydrophosphate which are widely used at present can be replaced, and resource utilization and high-value utilization of marine fishery waste are realized.

This invention relates to a compound nutritional composition and its application. The compound nutritional composition comprises the following components: 1 part by weight of turmeric; 0.002-5 parts by weight of enzymatically hydrolyzed bone powder; and 0.02-0.2 parts by weight of cartilage powder containing type II collagen or 0.02-10 parts by weight of collagen peptide powder. The compound nutritional composition provided in this application addresses the specific osteoarthritis issues of athletes. By constructing an articular cartilage cell inflammation model and conducting population testing, the intervention effects of the compound nutritional composition provided in this application on exercise-related oxidative stress, inflammatory response, and pain perception are systematically evaluated. The aim is to overcome the limitations of traditional broad-based formulations and develop precise nutritional solutions that combine component synergy with exercise physiological adaptability, providing athletes with more scientific and effective joint health protection.

The invention discloses a bone meal conveying device for a maxillary sinus external lifting operation. The bone meal conveying device comprises a lifting auxiliary assembly, a feeding auxiliary assembly, a bone meal conveying assembly, a holding handle and a bent conveying pipe. The invention belongs to the technical field of maxillary sinus external lifting operation, and particularly relates to a bone meal conveying device for maxillary sinus external lifting operation. In order to solve the problem that the amount of bone meal in the existing maxillary sinus external lifting operation is difficult to control, a lifting auxiliary assembly and a feeding auxiliary assembly are provided, a cavity formed by maxillary sinus internal pushing is nearly hemispherical, and a processor calculates the volume of the cavity formed by maxillary sinus internal pushing, namely the volume of bone meal needing to be filled subsequently; and the numerical value is sent to the display screen to be displayed, so that a doctor can conveniently refer to the bone meal amount in the operation process, the bone meal amount required in the maxillary sinus external lifting operation can be specifically indicated and estimated in numerical value, and the device is suitable for maxillary sinus windowing and upward pushing of different heights of different patients.

The invention discloses a preparation method of micro-nano fishbone dust particle-based Pickering emulsion and a product, and belongs to the technical field of food processing, fishbone is sequentially subjected to enzymolysis, degreasing, high-pressure cooking and drying, and fishbone coarse particles are obtained; carrying out micro-nano processing on the fishbone coarse particles to obtain micro-nano fishbone particles; mixing the micro-nano fishbone particles with water, and performing mechanical homogenization and ultrasonic treatment in an ice bath to obtain a micro-nano fishbone particle dispersion liquid; and mixing the micro-nano fish bone particle dispersion liquid with liquid oil, and carrying out homogeneous emulsification in an ice bath to obtain the micro-nano fish bone powder particle-based Pickering emulsion. The invention provides the Pickering emulsion prepared by taking the food-grade micro-nano fishbone particles as the solid stabilizer, the Pickering emulsion has wide application potential and prospect, sustainable full utilization of aquatic product processing by-product fishbone is realized, resources are saved, and environmental pollution is reduced.

The invention relates to a high-protein fertilizer and a preparation method thereof. The high-protein fertilizer comprises 150-250 parts of peanut bran, 100-200 parts of bean bran, 500-700 parts of chicken manure, 25-35 parts of cattle bone powder, 10-15 parts of watermelon peel and 1-10 parts of a compound microbial agent. The chicken manure, the peanut bran, the bean bran, the cattle bone powder and other protein-rich organic wastes are used as raw materials, the high-protein fertilizer is prepared through reasonable raw material matching and microbial fermentation, and the high-protein fertilizer is rich in organic matter, amino acid, beneficial microorganisms and the like and can effectively improve soil and improve the crop yield and quality.

In order to prevent the bait from being grabbed by small fishes and enable the bait to smoothly fall to the water bottom in the fishing process, according to the characteristic that the small fishes only grab the bait on the upper middle layer of a water body, a bait ball hung on a hook is soaked into syrup, then put into a dry powder box and coated with light bran which is lighter than the water and added with essence and a small amount of fishbone dust, operation is repeated twice, and then the bait is thrown into the water. When the bait ball descends, water impacts the surface of the bait ball, the two layers of light bran can gradually fall off, disperse and float upwards, the attention of small fishes is transferred, the small-particle light bran which floats upwards is grabbed, and therefore the effect of shelling the cicada shells is achieved, and the bait can completely sink to the water bottom. Due to the fact that the syrup has the water absorption function and is attached to the outer surface of the bait ball, the bait ball cannot become soft and be unhooked, the bait ball is wrapped with a protective layer, meanwhile, the sweet taste of the syrup has allure to freshwater fish, and the fish luring effect of the bait can be improved. According to the scheme, in summer and autumn of 2024, the effect of trapping small fishes to grab baits is very obvious through multiple actual fishing tests of the applicant.

The invention discloses a special biological fertilizer for osmanthus fragrans flower and a preparation method and application thereof, and belongs to the technical field of biological fertilizers. The special biological fertilizer is prepared from the following raw materials in percentage by mass: 65% of rape seed cakes, 10% of dry branches and fallen leaves, 0.4% of nano silicon, 5% of seaweed extract, 15% of bone meal, 3.4% of potassium sulfate, 1% of trace elements and 0.2% of growth-promoting rhizobacteria. The biological fertilizer is inoculated to osmanthus fragrans cutting seedlings, and results show that the plant height and the crown breadth of a biological fertilizer group are obviously higher than those of a control group from the second month. The biological fertilizer is inoculated to 2-3-year-old healthy sweet osmanthus seedlings, and results show that the biological fertilizer group is obviously higher than the control group 15 days after first fertilization. The biological fertilizer is inoculated to healthy plants with similar growth conditions of the same sweet-scented osmanthus variety, and results show that the biological fertilizer significantly improves the inflorescence number (+ 50%) of a single sweet-scented osmanthus plant and the flower number (+ 45%) of a single inflorescence; the flower development period is prolonged.

The invention relates to the technical field of collagen peptide production, in particular to bovine bone collagen peptide production equipment which comprises a shell and a partition plate, a stirring shaft is rotatably connected to the interior of the shell, stirring blades are fixed to the surface of the rotating shaft, the partition plate is arranged in the middle of the shell, and the stirring blades are fixed to the surface of the stirring shaft. The interior of the shell is divided into an upper cavity and a lower cavity by the partition plate, and a communicating groove for communicating the upper cavity with the lower cavity is formed in the partition plate; according to the cattle bone powder mixing device disclosed by the invention, the separation plate is arranged in the shell to separate a production space, and cattle bone powder with high density can be quickly settled due to the gravity effect in a mixing process, so that the cattle bone powder with high density is hydrolyzed in the lower space; and the cattle bone powder with low density in the upper cavity continues to react in the original environment, so that the problems of excessive partial hydrolysis and insufficient partial hydrolysis caused by mixing are avoided, and the quality of a finished product of collagen peptide is favorably stabilized.

The invention relates to the technical field of food safety detection, in particular to a characteristic peptide fragment for detecting sheep bone components, a preparation method, a liquid phase mass spectrum method and application thereof. The invention provides a characteristic peptide fragment for detecting sheep bone components. The characteristic peptide fragment comprises one or more than two of a first peptide fragment, a second peptide fragment and a third peptide fragment, the characteristic peptide fragment provided by the invention has high detection specificity. The invention also provides a liquid mass spectrometry method for detecting and / or identifying sheep bone components by using the characteristic peptide fragment, the method is simple and clear to operate during detection, can realize high-throughput detection and ensure the accuracy of identification results, and has the advantages of interference resistance, high sensitivity, high sensitivity and the like. The method is suitable for high-temperature treatment of bone products (such as bone meal and capsules) and detection of complex matrixes (such as mixed bone meal and Chinese patent medicines).

The utility model relates to the technical field of cattle bone powder multi-stage filtering devices, in particular to a cattle bone powder multi-stage filtering device capable of improving purity, which comprises a filter cartridge, a coarse filter screen, a fine filter screen and a precision filter screen are sequentially arranged in the filter cartridge from top to bottom, and the coarse filter screen, the fine filter screen and the precision filter screen are all funnel-shaped. Vertical pipes are fixedly mounted at the bottom ends of the coarse filter screen, the fine filter screen and the precise filter screen, electric valves are fixedly mounted on the vertical pipes, a top cover is fixedly mounted at the top of the filter cartridge, a feeding pipe is fixedly mounted in the center of the top cover, a three-way pipe is fixedly mounted at the top end of the feeding pipe, and a three-way valve is fixedly mounted on the three-way pipe; a water washing pipe is fixedly mounted on the other pipe body of the three-way pipe, a stock solution pipe is fixedly mounted on the rest pipe body of the three-way pipe, a plurality of conveying pipes are further fixedly mounted on the filter cartridge, and the conveying pipes are located above the corresponding coarse filter screen, fine filter screen and precise filter screen. The device is convenient for multi-stage filtration and purification operation, and is convenient for discharging.

The invention provides a 1% additive compound premix feed for promoting growth of calves, and relates to the technical field of formula technology and processing technology of the compound premix feed for promoting growth of the calves. The feed consists of the following components in parts by weight: 2-15 parts of alpha-ketoglutaric acid (AKG), 3-6 parts of flour, 35-55 parts of corn, 5-15 parts of rice, 1-5 parts of soybean meal, 3-5 parts of extruded soybeans, 5-11 parts of fish meal, 13-16 parts of chicken meal, 1-3 parts of beef bone meal, 1-3 parts of yolk powder, 1-4 parts of oil, 0.05-1 part of compound vitamins, 0.2-1 part of compound trace elements and 0.5-1 part of compound amino acids. The preparation method is advanced, full-automatic computer control and high-temperature puffing are adopted, so that food materials are cooked and are easy to digest, the palatability is improved, bacteria are killed more thoroughly and safely in the high-temperature puffing process compared with cooking and using chemical reagents, no preservative is added, the food is safe and reliable to eat, and a low-temperature drying process is adopted; the nutritional ingredients can be well reserved, the nutritional value is high, and the good health-care function is achieved.

The invention relates to the technical field of ceramics, in particular to environment-friendly foaming snowflake glaze, a ceramic product with the glaze and a preparation method of the environment-friendly foaming snowflake glaze, and the environment-friendly foaming snowflake glaze comprises the following raw materials in parts by weight: 45-50 parts of yak bone meal, 15-20 parts of high-expansion frit and 3-5 parts of low-temperature transparent frit. The low-temperature transparent frit is prepared from the following raw materials in parts by weight: 25-30 parts of borax, 8-12 parts of calcite, 6-8 parts of Suzhou clay, 4-6 parts of modified zinc oxide and 6-8 parts of barium carbonate. The yak bone meal is adopted as a core raw material, the scientific proportion of the high-expansion frit and the low-temperature transparent frit is matched, the defects that a traditional product is uneven in glaze texture and not obvious in snowflake-shaped effect are effectively overcome, the yak bone meal is higher in component purity and more stable in mineral phase, the yak bone meal is cooperatively matched with expansion force generated in the firing process of the high-expansion frit, and the high-expansion frit glaze is prepared. Under the fluxing and transparent effects of the low-temperature transparent frit, the glaze layer can be promoted to form uniform and fine snowflake-shaped porous textures with strong stereoscopic impression.

The present invention belongs to the field of feed additive technology, and in particular to a fermented feed additive for promoting growth and a preparation method thereof. The additive includes the following ingredients in parts by weight: 10-20 parts of microbial fermentation bacteria liquid, 1-5 parts of modified montmorillonite, 5-10 parts of chlorella extract, and 0.5-1 parts of chicken bone powder; the modified montmorillonite preparation process is as follows: (1) montmorillonite is added to a nitric acid solution and heated and stirred for a period of time, and pretreated montmorillonite is obtained by filtration, washing, and calcination; (2) sodium carbonate, ferric nitrate, and calcium nitrate are added to water, heated and stirred to obtain a mixed solution; (3) the montmorillonite pretreated in step (1) is dispersed in water, the mixed solution of step (2) is added, heated and reacted, and modified montmorillonite is obtained. The additive of the present invention can not only enhance the activity of fermented strains, regulate intestinal microecological balance, but also meet the various nutritional needs during animal growth and promote animal growth performance.