1536 results about "Feed processing" patented technology

The invention relates to the technical field of feed processing, in particular to an efficient energy-saving feed raw material grinding and smashing device which comprises a smashing box body, a feeding groove is formed in the top of the smashing box body, a material passing cavity is formed in the feeding groove, and the bottom of the material passing cavity communicates with a grinding and smashing cavity and a collecting cavity. A plurality of smashing assemblies are arranged on the transmission rotary drum, a plurality of collecting assemblies are arranged in the transmission rotary drum, a feeding driving assembly is arranged in the material passing cavity, an adjusting smashing assembly is arranged in the transmission rotary drum, and a screen piece adjusting assembly is arranged in the collecting cavity. And a control system is arranged in the crushing box body, judges the hardness, density and distribution uniformity of the materials according to data acquired by the acquisition assembly, controls the feeding flow of the raw materials, and dynamically adjusts the screening thickness and the crushing efficiency of the crushing assembly. According to the invention, asymmetric rotor design, dynamic airflow regulation and control and an intelligent feedback system are integrated, so that the particle sorting problem is solved, the energy consumption of crushing and grinding is reduced, and the service life of crushing hammers is prolonged.

A batching scale for a feed processing production line belongs to the field of feed production and comprises a weighing cylinder, a discharge conveying belt is mounted at the bottom of the weighing cylinder, and a discharge port corresponding to the discharge conveying belt is formed in the outer wall of one side of the weighing cylinder in a penetrating manner. Through cooperation of the weighing plate and the weighing sensor, the feed falls down, the weighing plate descends to measure the weight, meanwhile, the fixed rod and the pull rope drive the intercepter plate to rotate and shrink the feed port, the feed is rapidly discharged to guarantee the efficiency, the feeding speed is slowed down when the target weight is approached, the excess error is reduced, the accuracy and the efficiency are both considered, and meanwhile the intercepter plate is closed after weighing is completed. The weighing sensor sends a signal, the driving motor drives the weighing plate to turn over and discharge materials, the weighing plate ascends and resets, residues on the inner wall of the weighing cylinder are scraped during next weighing, formula mixing is prevented, in addition, during next weighing, the weighing plate descends to extrude the scraping plate, residues on the stacking surface are evenly scraped under the cooperation of the scraping knife and the sliding block, and the production efficiency is improved. The weighing and discharging total quantity accuracy of each time is ensured, and the weighing accuracy of the device is improved.

The invention relates to the technical field of feed quality control, in particular to an intelligent feed processing quality control method and system. According to the method, the operation parameters and the environment temperature and humidity of the production equipment are acquired in real time, and the environment and equipment state parameter set is established, so that the influence factors of the production conditions are quantified, and an accurate basis is provided for parameter adjustment of the subsequent processing flow. In the production process, the adaptive processing flow threshold value is calculated based on the operation stability of equipment and the change trend of raw material components, and unstable product quality caused by raw material fluctuation or equipment state change is avoided. And whether key indexes in the production process are in an adaptive range or not is dynamically judged by combining the change conditions of the steam absorption rate and the granulation pressure, so that the processing flow control is finer. For trend deviation possibly occurring in the production process, the stability of the production process is analyzed by analyzing the equipment load level, the energy consumption change synchronism and the abnormal trend of processing flow parameters.

The invention relates to the technical field of feed processing equipment, and provides feed premixing equipment and a mixing method.The equipment comprises a mixing tank, a mechanical stirring assembly arranged in the mixing tank, an airflow pulse assembly arranged on the wall of the mixing tank and an ultrasonic vibration assembly coupled to the mixing tank; the equipment further comprises a mixing strategy optimization system and a set of data acquisition system; the data acquisition system is used for acquiring the torque, image, temperature, humidity and uniformity information of the material in real time and sending the information to the mixing strategy optimization system; the mixing strategy optimization system analyzes the material state in real time according to the collected data, and dynamically matches and optimizes the combined mode and process parameters of mechanical stirring, airflow pulse and ultrasonic vibration. According to the technical scheme, the technical problems that in the prior art, due to the fact that a single mechanical stirring and open-loop control mode is adopted, the mixing uniformity is low, heat-sensitive active ingredients are prone to damage, and the product quality consistency is poor are solved.

The invention discloses a compound feed for raising plateau live pigs and a preparation method thereof, and relates to the technical field of feed processing. The compound feed for raising the plateau live pigs is prepared from manganese-selenium compound modified charcoal, soybean polysaccharide polylysine-based supported nanoparticles, aspergillus oryzae, soybean meal powder, corn flour, wheat bran, mountain flour, calcium hydrophosphate, table salt and multivitamins. Manganese-selenium composite modified charcoal, soybean polysaccharide polylysine-based supported nanoparticles and aspergillus oryzae are subjected to co-fermentation culture to form a uniform, stable, loose and porous three-dimensional network fermentation substrate composite system, so that the damage of gastric acid to components is reduced, the targeted release of intestinal tracts is realized, and the bioavailability is improved. The composite functional additive which is high in nutrition, easy to absorb, anti-oxidation, anti-anemia, anti-ultraviolet radiation and the like is obtained, and the adverse effects of low temperature, oxygen deficit and ultraviolet factors on animal growth and feed oxidative rancidity are effectively reduced.

The utility model relates to the technical field of feed processing equipment, in particular to a feed processing waste heat recovery device which comprises a feed processing oven, an air cavity is installed on the left side of the feed processing oven, an air heater is installed on the air cavity, and a waste heat recovery mechanism is arranged on the right side of the feed processing oven. The waste heat recovery mechanism comprises a mounting frame and a heat energy recovery water tank, and a plugging plate is fixedly connected between the mounting frame and the heat energy recovery water tank. By means of the waste heat recovery mechanism, during feed drying processing, waste heat generated in the drying oven is discharged to the outer side of the heat energy recovery water tank through the air outlet pipeline, heat of the waste heat is transmitted to stored water in the heat energy recovery water tank through the pipe wall of the air outlet pipeline, and high-temperature hot water is generated in the heat energy recovery water tank through the waste heat. And high-temperature hot water generated in the heat energy recovery water tank can be discharged through the water outlet pipe for municipal heating or process heating, so that enterprises are helped to achieve the purposes of energy conservation and emission reduction, and the resource utilization rate is increased.

The utility model relates to the technical field of feed processing, and discloses a drying device for biological fermentation feed processing, which comprises a conveying box, one side of the conveying box is fixedly provided with a servo motor A, the output end of the servo motor A is fixedly provided with a conveying mechanism, one side of the conveying box is fixedly provided with a material collecting box, and the other side of the conveying box is fixedly provided with a conveying mechanism. A discharging mechanism is fixedly installed on one side of the material collecting box and comprises a servo motor B fixedly installed on one side of the material collecting box. According to the drying device for biological fermentation feed processing, through the arrangement of the feed dispersing mechanism, feed is put onto the conveying mechanism from the interior of the feeding hopper and is communicated with an external power source, the heating temperature of an electric heating net is controlled through a temperature controller, a servo motor A drives a conveying belt to automatically convey the feed, a hydraulic rod is opened, the feed dispersing mechanism is driven to press downwards, and a spreading plate spreads the feed; and the feed is further scattered through the feed scattering frame, mutual accumulation is avoided, the heating area of the feed is increased, heating is more uniform, and the drying effect is guaranteed.

The invention discloses an endoglucanase truncated mutant and an application of the endoglucanase truncated mutant. According to the invention, based on endoglucanase BsEGL from bacillus subtilis DLG, a truncated mutant is constructed by deleting a carbohydrate binding domain (CBM) of the endoglucanase BsEGL, and the truncated mutant is named as BsEGL [delta] CBM. Compared with BsEGL, the truncated mutant BsEGL delta CBM has the advantages that the thermal stability, the pH stability, the organic solvent tolerance and the like are remarkably improved, and the activity of degrading phosphoric acid expanded cellulose and corncob xylan is obtained. In addition, the enzymatic activity of the truncated mutant BsEGL delta CBM is remarkably improved by 6.41%, and the catalytic efficiency is remarkably improved. Due to the characteristics, the mutant can be suitable for industrial processes such as feed processing, papermaking, biological energy sources, spinning and food brewing, and is particularly suitable for enzyme catalytic reaction under extreme environments such as high temperature and low pH. The invention provides an enzyme preparation tool with excellent performance for efficient degradation of cellulose biomass, and has important application value.

The invention discloses quantitative split charging equipment for feed processing and a split charging method thereof, and relates to the technical field of quantitative split charging of feed. Comprising a supporting frame and a box body arranged on the upper portion of the supporting frame and used for storing feed. A plurality of mutually attached metering columns are arranged at the lower part of the box body and are used for forming a supporting bottom of feed; the tops of the metering columns are provided with inclined planes, and when the bottoms of the metering columns are located on the same plane, the inclined planes corresponding to the tops of the metering columns can form a complete V-shaped area. According to the invention, the plurality of mutually attached metering columns are arranged in the box body, when the metering columns at the corresponding positions descend, the metering columns can be combined to determine the size of a quantitative subpackaging area, and the metering columns can also be independently used in a quantitative manner; and the split charging efficiency, the quantitative precision and the adaptive range are improved.

The invention relates to the technical field of feed processing equipment, and discloses an efficient feed mixing stirrer which comprises a machine body, a main stirring assembly, an auxiliary stirring assembly, a driving mechanism, a feeding mechanism, a discharging mechanism and a control system.The machine body is of a horizontal cylindrical structure, and the main stirring assembly is arranged in the center of the interior of the machine body in the axial direction of the machine body; the auxiliary stirring assembly comprises a side wall auxiliary assembly and a bottom auxiliary assembly, and the driving mechanism is in power connection with the main stirring shaft, the side wall auxiliary assembly and the bottom auxiliary assembly through the transmission assembly and provides power for all the assemblies. Through a synergistic stirring structure of the main stirring assembly, the side wall and the bottom auxiliary assembly, a paddle and spiral composite structure of the main stirring assembly pushes materials to realize composite motion in the axial direction and the circumferential direction, stirring teeth of the side wall auxiliary assembly break a material circulation layer, and a scraping plate of the bottom auxiliary assembly prevents deposition of the materials with high density; the three synergistically enable the feed to be uniformly mixed.

The invention belongs to the technical field of feed processing, and relates to a feed processing prediction and real-time regulation and control method based on deep learning, and the method comprises the steps: carrying out the feature processing of feed preparation process data, and obtaining a plurality of feed preparation process features and screening features; carrying out feature recognition on the screening features, and predicting a processing abnormal probability and an abnormal result; if the processing is abnormal, classifying and splicing the plurality of material making process features to obtain processing operation features and processing equipment features; processing the processing operation characteristics through a long and short term memory network to obtain operation associated characteristics; processing the processing equipment features through a convolutional neural network to obtain equipment associated features; carrying out attention distribution operation on the operation correlation characteristics and the equipment correlation characteristics, and determining the equipment abnormity probability of the processing equipment based on the attention contribution degree of each material preparation process; the whole-process quality prediction is realized, and the condition of shutdown troubleshooting caused by unqualified feed processing is avoided.

The present invention discloses a pectin methylesterase mutant ΔDdPemA, its encoding gene, preparation method, and application. The pectin methylesterase mutant ΔDdPemA is obtained by mutating the amino acid at position 200 in the center of the substrate binding pocket of the wild-type pectin methylesterase DdPemA from a high-molecular-weight, branched valine to a low-molecular-weight alanine, and by mutating the amino acid at position 339 at the substrate inlet and outlet of the substrate binding pocket from a high-molecular-weight, branched valine to a basic lysine. The amino acid sequence and nucleotide sequence of the wild-type pectin methylesterase DdPemA are SEQ ID NO. 1 and SEQ ID NO. 2, respectively. The mutant enzyme provided by the present invention has significantly improved enzyme activity under weakly acidic conditions, solving the problem of insufficient catalytic activity of the wild-type pectin methylesterase under weakly acidic conditions and creating favorable conditions for the application of the enzyme in the fields of food, textiles, and feed processing.

The invention discloses a feed processing and smashing device with an anti-splashing function, and particularly relates to the technical field of feed processing.The feed processing and smashing device comprises a supporting frame and a multi-stage smashing cylinder arranged on the inner surface of the supporting frame, and an anti-splashing discharging structure communicating with a feeding port is arranged on the upper portion of the inner surface of the multi-stage smashing cylinder; a primary smashing structure used for smashing feed is arranged on the portion, located on the lower side of the splash-proof discharging structure, of the inner surface of the multi-stage smashing cylinder, and a secondary smashing structure used for screening feed particles and conducting secondary smashing is arranged on the lower portion of the inner surface of the multi-stage smashing cylinder. Through cooperation of the material storage barrel, the stirring and oscillating assembly and the like, feed is evenly and smoothly discharged, caking and blocking are avoided, through multiple times of crushing, screening and re-grinding of the primary crushing structure and the secondary crushing structure, caking and large particle residues in feed particles are effectively reduced, it is guaranteed that the crushing mesh number reaches the standard, and the crushing quality and the particle uniformity are greatly improved.

The invention belongs to the technical field of protein engineering modification, and particularly relates to a method for improving thermal stability of fumonisins degrading enzyme by forming disulfide bonds. The thermal stability of the fumonisins degrading enzyme FumDPS mutants T194V, T194V-P40C / Y173C, T194V-N43C / D83C and T194V-F71C / S117C related to the invention is obviously improved compared with that of the wild type fumonisins degrading enzyme, and the thermal stability of the fumonisins degrading enzyme FumDPS mutants is obviously improved. The fumonisins enzyme is mainly applied to the industries of livestock feed processing, food production and the like so as to reduce the harm of fumonisins to the health of animals and human beings. The obtained fumonisins degrading enzyme mutant with improved thermal stability is convenient to transport and store, so that the investment of industrial cost can be reduced.

The invention relates to the technical field of automatic feeding, and discloses a feed processing automatic feeding device capable of smashing and drying, the feed processing automatic feeding device comprises a supporting frame, a particle smashing machine is fixedly connected to the outer wall of the supporting frame, a sterilizing and drying bin is fixedly connected to the top of the supporting frame, and when a conveying groove moves upwards, a balancing weight can drive a sliding scraper to abut against the bottom of the conveying groove; after the conveying groove moves to the highest point, the conveying groove can be turned over downwards along with the transmission belt, at the moment, the balancing weight drives the sliding scraper to move downwards to scrape and clean the inner wall of the conveying groove, after the conveying groove moves to the lowest point, the conveying groove can be turned over upwards again, the balancing weight drives the sliding scraper to reset, and the feeding process of feed is achieved in a reciprocating mode. Through operation of the components, the feed conveying trough can be self-cleaned while feeding of feed is conducted, and the situation that some feed dust adheres to the inner wall of the feed conveying trough, the capacity of the feed conveying trough is reduced after the feed conveying trough is used for a long time, and the follow-up conveying efficiency is affected is avoided.

A food processing system that includes at least one food and / or feed processing device and at least one cleaning device. The at least one food and / or feed processing device includes at least one part with a surface which during use will come in contact with a food product. The at least one cleaning device is configured for cleaning at least the surface. The at least one cleaning device includes means for providing a cleaning fluid. The cleaning fluid is a plasma activated substance. The at least one cleaning device comprises or is coupled to a device for preparing the plasma activated substance and is provided in a porous structure of the device.

The invention relates to the technical field of biological fermentation devices, and particularly discloses an efficient fermentation device for beef cattle feed processing, the efficient fermentation device comprises a fermentation tank, the upper end of the fermentation tank is fixedly connected with a feeding pipe, the upper end of the fermentation tank is provided with a pressure stabilizing assembly for exhausting, and the inner surface of the fermentation tank is fixedly connected with a guide seat; the pressure stabilizing assembly comprises a fixing cover fixedly connected with the outer surface of the upper end of the fermentation tank, notches are symmetrically formed in the outer surface of the fixing cover, and a sealing plate is slidably connected to the inner surface of the fixing cover. By arranging the pressure stabilizing assembly, the gas in the fermentation tank can be discharged in time according to the pressure change of the gas in the fermentation tank, so that the pressure in the fermentation tank can be maintained in a proper range, the risk that the fermentation tank is burst by pressure can be reduced, and meanwhile, the stability of the fermentation tank in the working process can be improved; furthermore, the fermentation quality of the cattle feed can be ensured, and the workload of manual exhaust of workers can be reduced.

The invention belongs to the technical field of gene engineering, and particularly relates to an acid protease mutant as well as a coding gene, a preparation method and application thereof. The amino acid sequence of the acid protease mutant is as shown in SEQ ID NO. 2. The acid protease mutant provided by the invention has the advantages of high enzyme activity, strong pH and temperature adaptability, good high temperature resistance and the like, can react in a wide pH value (pH 2.0-6.0) and temperature range (30-70 DEG C), is beneficial for improving the flexibility of a production process, particularly can adapt to industrial production at a relatively high temperature and can meet a relatively long-time high-temperature catalytic environment, and the acid protease mutant has a wide application prospect. The enzyme prepared by the method is high in enzyme activity, not easy to inactivate in a high-temperature environment, can maintain 70% or more of enzyme activity for 1 h at 50 DEG C, can maintain 55% or more of enzyme activity for 1 h at 55 DEG C, and shows good market prospects and industrial application values in the fields of wine brewing, feed processing, leather softening and the like.

The utility model relates to the field of feeding for local chicken feed treatment, and discloses a feeding device for feed treatment, which comprises a feeding tank, a stirring component is arranged in the feeding tank, a discharge port is fixedly connected to the bottom of the feeding tank, a conveying barrel is fixedly connected to the bottom of the discharge port, two supporting seats are fixedly connected to the outer side of the conveying barrel, and a feeding port is formed in the feeding tank. A supporting frame is fixedly connected to the outer side of the feeding tank, a conveying assembly is arranged in the conveying barrel, and an anti-blocking assembly is arranged between the two supporting seats. According to the feed stirring device, the first connecting rod is driven by the first driving motor to rotate, then the stirring rod is driven to rotate, the swash plate also rotates along with the stirring rod, and the outer side of the swash plate is arranged between the two rollers, so that the stirring rod rotates and moves up and down at the same time, feed can be fully stirred in the horizontal direction and the vertical direction, and the stirring effect is further enhanced; and various components of the feed can be more uniformly mixed together, so that the feed stirring quality and efficiency are ensured.

The invention belongs to the technical field of feed processing equipment, and particularly relates to a feed production extruder which comprises a feeding bin and a discharging bin, and an extrusion assembly configured to perform extrusion forming on feed is arranged in the discharging bin; the extrusion assembly comprises a planet wheel and a compression roller, the planet wheel is connected with a gear ring in a meshed mode, the planet wheel is further connected with a center wheel in a meshed mode, a rotating cylinder is arranged below the center wheel, a lantern ring is fixedly connected to the surface of the gear ring, and a ring mold is fixedly connected to the upper portion of the lantern ring; the spline in the middle of the transmission shaft drives the rotating cylinder to rotate, the rotating cylinder rotates to drive the lantern ring and the ring die above the lantern ring to rotate, and as the circular motion directions of the ring die and the compression roller are opposite, raw materials in the ring die can be fully extruded, and the phenomenon of insufficient extrusion is avoided; and raw materials are prevented from being accumulated in the circular mold to affect the feed extrusion forming quality.

The utility model discloses feed processing raw material treatment and impurity removal equipment which comprises a bottom plate, a support is fixedly assembled on the surface of the bottom plate, two electric push rods are fixedly assembled on the support, and an inner cylinder is fixedly assembled between the two electric push rods. The water pump is connected with an external water source; the water pump conveys water into the water tank through the water inlet pipe; the water tank discharges water through the water outlet structure; the water flow acts on the raw materials; the electric push rod is started, the electric push rod starts to shorten, the inner cylinder is driven to move upwards and is continuously separated from the outer cylinder, water carrying silt enters the outer cylinder through the separation net, it is avoided that silt residues in raw materials affect the quality of processed feed, a large number of raw materials accumulated in the inner cylinder can be treated at the same time, and cleaning is thorough; and the purpose of improving the raw material treatment efficiency is also achieved.

The utility model provides a feed grinder for marine product culture, which belongs to the technical field of marine product feed processing and comprises a crushing box, a crushing mechanism arranged in an inner cavity of the crushing box, a sieve plate arranged below the crushing mechanism, and a sieve vibrating component arranged at the bottom of the crushing box and used for driving the sieve plate to vibrate. A sieve plate is attached to the inner wall of a crushing box through a sieve vibrating assembly to slide up and down, a feeding barrel used for conveying screened feed is arranged on one side of the crushing box, a scraper is pushed through a pushing assembly, the bottom of the scraper is attached to the upper surface of the sieve plate to slide, and the feed which is not thoroughly crushed and screened out from the sieve plate is pushed to a material guiding channel; and then the recycled feed is conveyed to the top of the feeding barrel through the conveying assembly, so that the recycled feed enters the crushing box again, the feed which is not thoroughly crushed is crushed again, the feed crushing effect is guaranteed, and then it is guaranteed that aquatic creatures can eat the feed.

The invention relates to the technical field of feed processing, and discloses a lactating sow feed containing fermentation raw materials and a preparation method of the lactating sow feed. A three-layer microcapsule coating auxiliary material is prepared by taking a vitamin premix, an amino acid compound, a compound enzyme preparation and a probiotic agent as core materials through three-layer coating; the basic raw materials comprise corn, wheat, bran, a fermentation raw material, a mineral premix and grease, auxiliary material coating and basic raw material treatment are carried out in parallel in double lines during preparation, and finally, mixing granulation is carried out; the grafted copolymer formed by the amidation reaction of the sodium carboxymethyl cellulose and the chitosan oligosaccharide can cooperate with the sodium alginate to prevent the damage under acidic conditions, and the survival rate of viable bacteria is kept at 85-87% after treatment is carried out for 2 hours under the acidic condition with the pH value of 2.0-3.0; compared with a traditional fermentation raw material coating scheme, the dosage of coating raw materials is reduced by 70% or above; meanwhile, the vitamin premix and the amino acid compound in the auxiliary material can reduce the diarrhea rate by 6% and increase the lactation yield of the sow by 7-18%.

The invention belongs to the technical field of protein engineering modification, and particularly relates to a method for improving thermal stability of fumonisins degrading enzyme by forming disulfide bonds. The thermal stability of the fumonisins degrading enzyme FumD mutant provided by the invention is obviously improved compared with that of wild type fumonisins degrading enzyme. The fumonisins enzyme is mainly applied to the industries of livestock feed processing, food production and the like so as to reduce the harm of fumonisins to the health of animals and human beings. The obtained fumonisins degrading enzyme mutant with improved thermal stability is beneficial to keeping the activity of the enzyme at a higher temperature, adapts to a higher-temperature production environment, reduces the use amount and replacement frequency of the enzyme, and is convenient to transport and store due to the improvement of the stability, so that the investment of industrial cost can be reduced.

The invention belongs to the field of feed processing, and particularly relates to a sweet potato seedling and corn straw mixed silage preparation method which comprises the following steps: S1, raw material pretreatment: respectively chopping sweet potato seedlings and corn straws; s2, mixing: the chopped sweet potato seedlings and corn straws are weighed, an additive is added, the mixture is uniformly mixed, the additive is a mixed lactic acid bacteria additive, and the addition amount is 0.1 g / kg; s3, loading into a silage container, compacting and sealing; s4, storage: the fermentation temperature range is 15-28 DEG C, preferably 25 + / -1 DEG C. According to comprehensive evaluation, the sweet potato seedlings and the corn straw are mixed and ensiled according to the proportion of 1: 1, and the comprehensive value is the highest. The proportion can effectively balance dry substances and moisture of the two raw materials, and the silage which is excellent in smell, color and texture, complete in nutrition preservation and excellent in fermentation quality can be obtained after the mixed lactic acid bacteria additive is added for ensiling for 60 days.

The invention relates to the technical field of feed processing equipment, in particular to feed premixing equipment which comprises a barrel, a feeding port is formed in the top of the barrel, a discharging port is formed in the bottom of the barrel, and a driving shaft is rotationally connected to the interior of the barrel; a feeding device is installed at the top of the barrel corresponding to the feeding port, a discharging device is installed at the bottom of the barrel corresponding to the discharging port, a driving device in transmission connection with a driving shaft is installed on the barrel, and a first stirring assembly and a second stirring assembly which are symmetrically arranged are in transmission connection with the driving shaft. And a shearing assembly which is in transmission connection with the driving shaft is arranged between the first stirring assembly and the second stirring assembly in the barrel. According to the invention, a three-stage treatment system of'stirring-shearing-re-stirring 'is constructed, so that the comprehensive optimization of the feed mixing process is realized. Compared with traditional equipment, the feed premixing equipment has the advantages that higher production efficiency and product quality are realized at lower cost, and a reliable guarantee is provided for refined production of ruminant feed.

The utility model relates to a batching machine for feed processing. Comprising a steel structure table device provided with a crawling ladder, a stirring tank is installed on the steel structure table device, a spiral discharging device is installed at a discharging port in the lower end of the stirring tank, and a mixing and stirring device used for stirring materials is installed in the stirring tank; at least two groups of feed ports are formed in the top of the stirring tank, and each feed port is communicated and connected with a batching feed hopper; a batching bracket is mounted on the steel structure table device, and at least two groups of weighing devices are arranged at a feed port of each batching feed hopper; the multiple groups of raw material conveying devices are mounted on the batching bracket, and are arranged in one-to-one correspondence with the multiple groups of weighing devices; a raw material stirring device is arranged in each raw material conveying device; the weighing device comprises a weighing hopper connected with the batching support through a weighing sensor, and a gate valve assembly is installed at a discharging port of the weighing hopper. According to the utility model, various feed raw materials can be accurately proportioned and mixed, and the situation that various raw materials are layered and are difficult to quickly mix when being poured once is avoided.

The utility model discloses a raw material cleaning and drying device for feed processing, which relates to the technical field of feed processing and comprises a case, the outer surface of one side of the case is detachably connected with a first end cover, and the outer surface of the other side of the case is detachably connected with a second end cover. A first driving motor is detachably connected to the outer surface of the front end of the first end cover, a guide rod and a sealing rubber strip are arranged on the outer surface of the rear end of the first end cover, the sealing rubber strip is located on the periphery of the guide rod, sliding grooves are formed in the inner surfaces of the two ends of the machine box, and a rotating disc is arranged at the rear end of the first end cover. According to the raw material cleaning and drying device for feed processing, raw materials can be placed in the hollowed-out charging barrel when the raw material cleaning and drying device is used, the first driving motor can drive the rotating disc to rotate, the hollowed-out charging barrel can be driven to rotate through the rotating disc, and the raw materials in the hollowed-out charging barrel can be turned over.

The invention discloses a beef cattle straw feed preparation method based on compound strain synergistic fermentation, and relates to the technical field of feed processing, and the beef cattle straw feed preparation method comprises the following steps: screening bacillus, lactic acid bacteria and the like to construct an initial compound strain, and screening a high-degradation-ability strain combination through a directed evolution system (30-45 DEG C, pH 4.0-7.0, and lignocellulose 5-15g / L); the straw lignocellulose structure is destroyed through microwave-assisted pretreatment (the power is 200-800 W, and the time is 1-5 min); high-efficiency fermentation is realized through double-stage fermentation (the pH is reduced at 30-35 DEG C for 12-24 hours in the first stage, and stubborn components are degraded at 35-40 DEG C for 36-60 hours in the second stage) and intelligent regulation and control. According to the method, the content of crude protein in the straw is increased to 15.2%, the content of crude fibers is reduced to 19.8%, the degradation rate of lignocellulose reaches 62%, the quality of the feed is remarkably improved, and a new path is provided for recycling of agricultural wastes.

The invention belongs to the technical field of aquaculture feed processing, and particularly relates to a processing technology of a sea cucumber intermediate culture feed. The sea cucumber intermediate breeding feed comprises fish meal, soybean protein isolate, seaweed meal, fermented soybean meal, multivitamins, a multivitamin premix and mineral salt. The processing technology comprises the following steps: firstly carrying out crushing pretreatment on the raw materials, then mixing the crushed raw materials, carrying out hardening and tempering, then carrying out twin-screw extrusion puffing to form carrier particles, carrying out low-temperature drying, then carrying out high-pressure atomization spraying technology to load the fish oil phospholipid complex, carrying out three-stage variable-temperature drying treatment, and finally carrying out cooling screening. The sea cucumber intermediate breeding feed processed by the method can be used for breeding in a transition stage from young sea cucumbers to young sea cucumbers, the survival rate of the young sea cucumbers in the breeding process is increased, and the sea cucumber intermediate breeding feed has the advantages of high nutrient retention rate and slow dissolution loss characteristic; in addition, the invention has the advantage of improving the order of micropores in the particles and the compactness of the surface layer so as to improve the physical stability of the sea cucumber intermediate culture feed.