3707results about "Feeding-stuff" patented technology

Improved extruders and methods for the extrusion cooking of comestible products such as human foods or animal feeds are provided wherein the products may be produced with very low specific mechanical energy (SME) inputs as compared with conventional processing. The methods preferably involve introduction of very high levels of steam into the extruder barrel (12) during processing, which concomitantly reduces necessary SME inputs required to achieve desired cook and expansion levels in the products. In accordance with the invention, fully-cooked pet foods can be fabricated with SME inputs of up to about 18 kWhr/T, whereas aquatic feeds can be fabricated with SME inputs of up to about 16 kWhr/T. In preferred forms, the extruder (10) includes specially configured, intermeshed extrusion screws (18, 20) and a plurality of obliquely oriented steam inlets (48, 50), and an upstream, dual-shaft preconditioner (90) is used having individual variable frequency drives (98, 100) which allow infinite variablility in the speed and rotational direction of the preconditioner shafts (94, 96).

The invention discloses a stirring and mixing device for feed production. The stirring and mixing device comprises a bottom plate, a mixing barrel, a grinding barrel, a first rotary shaft, a first gear, a rack, a connecting rod, a disk, a motor, a second gear, a third gear, a first inner gear ring, a first grinding blade, a second grinding blade, a screen, a support rod, a hairbrush, a fourth gear, a fifth gear, a third rotary shaft, a second inner gear ring and a stirring rod. According to the stirring and mixing device disclosed by the invention, through cooperation of the motor, the disk, the connecting rod, the rack, the first gear, the first rotary shaft and the first grinding blade, the first grinding blade rotates forwards and backwards to improve the grinding efficiency; through cooperation of the second gear, the third gear, the first inner gear ring and the second grinding blade, the second grinding blade is driven to rotate in a direction opposite to the rotation direction of the first grinding blade, thus, the grinding efficiency is further improved; through cooperation of the fourth gear, the fifth gear, the second inner gear ring, the third rotary shaft and the stirring rod, omni-directional stirring is performed in the mixing barrel to improve the mixing efficiency.

The invention discloses crushing and mixing integration equipment for feed production. The equipment comprises a baseplate, a crushing cylinder, an L-shaped rod, a motor, a first rotating shaft, a first gear, a second gear, an inner gear, first crushing blades, second crushing blades, a mixing cylinder, a first spiral stirrer, a second spiral stirrer, a second rotating shaft, stirring rods and a transmission mechanism; the equipment is provided with the first gear, the second gear and the inner gear, and through matching of the parts, the first crushing blades and the second crushing blades are rotated oppositely, so that the crushing speed is high, and the crushing efficiency is improved; the equipment is provided with the first spiral stirrer and the second spiral stirrer for lifting feed in the mixing cylinder from the bottom of an inner cavity of the mixing cylinder to the upper part of the inner cavity of the mixing cylinder and conveying the feed to the bottom of the inner cavity of the mixing cylinder to realize circular stirring and mixing, so that the stirring and mixing efficiency is improved; and the equipment is provided with the transmission mechanism, and the motor drives multiple parts to operate at the same time through the transmission mechanism, so that the working efficiency of the motor is effectively improved, and the energy is saved.

The invention discloses a highly effective feed mixing preparation device special for aquaculture. The device includes a base plate, a stirring drum, T-shaped supporting rods, an electric motor, a first rotating shaft, a first belt pulley, a belt, a second belt pulley, a second rotating shaft, stirring rods, a third gear, an outer gear ring, a cam, a discharging board, a solid feed drum and a liquid feed drum. According to the invention, the electric motor, the first rotating shaft, the third gear, the outer gear ring, the first belt pulley, the belt, the second belt pulley and the second rotating shaft are arranged to work together to drive the stirring rods and the stirring drum rotating reversely so as to improve stirring and mixing efficiency. With the arrangement of a first gear, a second gear, a third rotating shaft and helical blades, feed at the bottom of the stirring drum is brought upward and moves to the bottom of the stirring drum under the effect of gravity; and after continuous cycles, the stirring and mixing efficiency is further improved. The arrangement of the cam and the discharging board realizes intermittent discharging and avoids the problems of incomplete and uneven stirring and mixing caused by discharging feed too fast and too much under the condition of continuous discharging.

The invention relates to the field of distributing and mixing devices, in particular to an intermittent feeding and distributing device for the animal husbandry. A feeding base assembly is fixedly connected to the left end of a discharging plate assembly. The left end of a base is fixedly connected with two supporting plates. The left end of the discharging plate assembly is fixedly connected to the two supporting plates. An intermittent pushing plate is slidingly connected to the discharging plate assembly. The upper end of the intermittent pushing plate is attached to the feeding base assembly. The discharging plate assembly is in meshing and transmission connection with a power device. The power device is fixedly connected to the base. The defects that at present, feed is artificially mixed and mixing is not uniform, so livestock feeding nutrients are not balanced, lots of labor is consumed and the work efficiency is low are overcome; the various-feed intermittent feeding and distributing device which is free of artificial mixing, even in mixing and high in work efficiency is provided, and by means of the low-quantity and high-frequency feeding mode, it is ensured that materialscan be evenly stirred after being fed.

An animal chew is provided formed by rolling a mixture of binder and base material into a sheet. Base material, such as an edible material, including but not limited to starch, protein matter, vegetable or plant matter, is mixed with a binder. The mixture is then supplied to a screw conveyor followed by introduction onto rollers to form a sheet. The sheet may then be cut into a desired shape. The overall process may be made continuous, and the manufacturing conditions may be selectively controlled at each step, with respect to variable such as temperature and moisture levels, to substantially maintain the overall nutritional value of the formed edible compositions.

PCT No. PCT/CH96/00265 Sec. 371 Date Dec. 16, 1998 Sec. 102(e) Date Dec. 16, 1998 PCT Filed Jul. 22, 1996 PCT Pub. No. WO98/03080 PCT Pub. Date Jan. 29, 1998A method and apparatus for incorporating fatty matter into granulated feed products such as extrudates, pellets and expander pellets with a fat-supplying liquid. Pellets produced in the extruder or expander of press (4) are dried in a dryer (5) and pass through an intermediate container (10) into a mixer (12). Using a metering pump (18) a predetermined amount of fat-supplying liquid is added to the mixer (12) and spread on the surface of product pieces through the mixing process. After a predetermined period of time a vacuum pump (20) generates a negative pressure in the mixer so as to evacuate the air from capillaries or pores of the product pieces. The negative pressure in the mixer is then relieve through an expansion valve (21) so that the air entering into the mixer and into the pores or capillaries of the product pieces transports the fat-supplying liquid on the surface of the product pieces as well as additional fat-supplying liquid into the pores and capillaries, thereby filling them to the extend that a high proportion of approximately 30% fat-supplying liquid is incorporated in the pores of capillaries of the product pieces.

The invention discloses a method and a system for preparing restaurant-kitchen wastes into a livestock and poultry feed, wherein the method comprises the following steps: carrying out sorting preprocessing on restaurant-kitchen wastes so as to obtain biodegradable restaurant-kitchen wastes; carrying out solid-liquid separation on the obtained biodegradable restaurant-kitchen wastes; adding bran, corn flour and coarse meal into the obtained product so as to obtain a mixed material; adding composite fungicides into the mixed material according to the inoculum concentration (8-20 wt%) so as to ferment the mixed material; and finally, drying and cooling the fermented mixture, then packing the obtained object so as to obtain a livestock and poultry feed product. The system comprises a feed device, a wet sorting machine, a pressafiner, an agitated mixer, a fermentation tank, a low-temperature drying machine, a crusher and a finished product material storage tank which are sequentially connected; and the system has the advantages that the growth of putrefying bacterias and the reproduction of pathogenic microorganisms in restaurant-kitchen wastes can be inhibited, and the freshness retaining effect and organoleptic quality of the livestock and poultry feed are good; meanwhile, the protein content of the livestock and poultry feed can be improved; in addition, the system is low in used equipment cost, small in energy consumption, high in production efficiency and beneficial to environmental protection.

The invention discloses a rotary feed crushing and drying device including a machine body; a crushing screen cylinder is arranged in the machine body, a knocking device is arranged on the left side ofthe crushing screen cylinder, and a drying conical cylinder is arranged below the crushing screen cylinder. According to the rotary feed crushing and drying device, a crushing knife and a crushing screen cylinder with a periodic square rotation are used to fully smash and screen feed, thereby improving the efficiency of smashing and screening. The knocking device linkaged with a rotary shaft canknock the outer wall of the crushing screen cylinder, and the clogging of screen holes and the feed residues can be avoided. The drying conical cylinder with a cone structure and an annular stock guide are used to enable the feed to roll down uniformly on the surface of a drying screen cylinder, the feed is evenly dried, a spiral raised line is provided to increase the falling time of the feed, and the drying effect is ensured. According to an arc-shaped feed discharging scraper and a feed discharging pipe which is in tangential communication with the machine body, the feed discharging efficiency is increased, so that the feed discharging is more thorough.

Described herein are chewable articles intended to be provided to animals for purposes including dental cleaning, breath freshening, nutrition, administration to the animal of beneficial agents, satisfaction of the animal's urge to chew, and general enjoyment by the animal. The chews are made to be appetizing to the animal, to satisfy an urge to chew, to effect abrasive cleaning of the animal's teeth, to deliver one or more active agents to the oral cavity of the animal, or a combination of these. The chews have a resilient, chewable texture and are shaped to facilitate dental cleaning, to facilitate oral grasping by the animal, to appeal to human owners of the animal, to enhance the human-animal bond, or a combination of these. Also disclosed are apparatus and methods for making such chewable articles and for formulating and using them to effect dental health in animals.

An improved, dual-shaft preconditioner (10, 70, 102) is provided having independent drive mechanism (18, 20, 78, 80) operatively coupled with a corresponding preconditioner shaft (14, 16, 74, 76, 106, 108) and permitting selective rotation of the shafts (14, 16, 74, 76, 106, 108) at rotational speeds and directions independent of each other. Preferably, the speed differential between the shafts (14, 16, 74, 76, 106, 108) is at least about 5:1. The mechanisms (18, 20, 78, 80) are operatively coupled with a digital control device (60) to allow rotational speed and direction control. Preferably, the preconditioner (10, 70, 102) is supported on load cells (62, 100) also coupled with control device (60) to permit on-the-go changes in material retention time within the preconditioner (10, 70, 102). The preconditioner (10, 70, 102) is particularly useful for the preconditioning and partial gelatinization of starch-bearing feed or food materials, to an extent to achieve at least about 50% cook in the preconditioned feed or food materials.

The invention discloses a feed crushing device capable of intermittently unloading. The feed crushing device comprises a housing, a charge hole, crushing shafts, a crushing motor, a discharge hole andsupporting legs, wherein a two-way lead screw is arranged inside the housing; the two ends of the two-way lead screw are separately equipped with slide blocks in a sleeving mode; the upper ends of the slide blocks are fixedly connected with baffle plates; the right end of the two-way lead screw is equipped with a left bevel gear and a right bevel gear in a sleeving mode; a half bevel gear sleevesthe upper shaft stretching end of a double-axis motor; the crushing shafts are arranged inside the housing; a plurality of crushing blades are distributed on the crushing shafts; the two ends of eachcrushing shaft are rotatably connected with the inner wall of the housing; and the outer side wall of the housing is fixedly connected with the crushing motor. The double-axis motor drives the baffleplates to intermittently open and close, so that feed is controlled to intermittently drop, and much feed is prevented from entering 01 within short time to bring relatively great burden, and therefore, the crushing effect is guaranteed. The crushing shafts are arranged, so that crushing efficiency is improved; and feed is screened while crushing is performed.

An animal protein-based dog treat has a soft crunch and a stable shelf life without use of an appreciable amount of sodium or chemical preservatives. A method of producing the dog treat entails use of extrusion and heating processes to trap moisture in the interior of the dog treat, and then to expand and evaporate the moisture. This process creates in an internal portion of the dog treat voids or air pockets that provide desired texture and strength characteristics.

A device for producing a high density compact livestock feed from a loose granular material according to various embodiment can include a source for supplying a loose granular material to be treated. A series of successive treatment zones comprises a heating zone, a compression zone, and a cooling zone. The heating zone comprises at least one heater and at least one screw compression dryer configured to receive the loose granular material to be treated for drying. Rotation of the screw transfers the treated material to the compression zone. The compression zone comprises a compression chamber for compacting the treated material to form a high density compact body. The treated material is pressed through the compression chamber while a two-dimensional cross-section compression is applied to the treated material. The cooling zone comprises a cooling unit for cooling the high density compact body received from the compression zone.

The invention discloses a separating drying device for fodder machining production. The device comprises a blanking cylinder, a first screen net, a communication box, a small particle receiving bin, a high-pressure draught fan, a large particle screening box, a second screen net, an elastic telescopic device, a vibration motor, a slag removal device, an outer shell, an inner shell, a rotating column, an air blower, an air flue type gas heater, an inclined columnar rotating cylinder, a rotating ring and a fixed ring; fodder enters the slag removal device through a discharging pipe, slag is attracted by a magnet roller and scraped by a scraping knife, the air blower feeds hot air generated by the air flue type gas heater into a hot air cavity, hot air in the hot air cavity enters the air flue type gas heater again, heat recycling is formed, in the rotating process of the inclined columnar rotating cylinder, fodder in the inclined columnar rotating cylinder slides to the right side from the left side and then slides to the left side from the right side in a reciprocated manner, fodder is in the dynamic state, fodder can be evenly heated, and the baking quality of the fodder can be improved.

An improved extruder (10) is provided which permits successful introduction of very high quantities of injected steam into material being processed, on the order of 6-8% or more by weight steam. The extruder (10) includes an elongated extruder barrel (12) having at least one elongated, axially rotatable, helically flighted extrusion screw (16,18) therein. The barrel (12) is equipped with obliquely oriented steam injection ports (44, 46) along the length thereof, housing steam injectors (48, 50). The barrel (12) includes relatively high free volume steam injection heads (32 and 38, 40) having therein screw sections (78, 82) of relatively long pitch length, together with steam restriction heads (30, 34, and 42) on opposite sides of the injection heads (32, and 38, 40) having therein relatively short pitch length screw sections (76, 80, 84).

The invention discloses a vertical particle material handling device for agricultural feed processing. The vertical particle material handling device comprises a processing shell. Supporting guiding side pillars are fixedly arranged on the left side and the right side of the outer wall of the processing shell. A lifting rack is upwards integrally fixed at the middle position of the top side wall of a rack body of a motor mounting rack. A main stirring motor is arranged on a bottom plate in the inner cavity of the rack body of the motor mounting rack. Crushing cutting blades are arranged on the outer side wall at the bottom end of a shaft body of a rotary crushing rotating shaft. An elastic filter screen is horizontally arranged on the left side wall and the right side wall at the lower part of an inner cavity of the processing shell. The edges of cams cling to the lower surfaces of a left screen body and a right screen body of the elastic filter screen. A transparent observation window is arranged in an observation opening. By means of the vertical particle material handling device, the omnidirectional cutting effect is achieved, the cams on two sides can finely adjusted up and down when the elastic filter screen is used for screening, the screening effects of the mesh bodies is enhanced, and a master worker can more clearly grasp operation of the device.

The invention discloses a straw feed pulverizing and mixing integrated processing device for animal husbandry. The straw feed pulverizing and mixing integrated processing device for animal husbandry comprises a processing box and a fermenting and storing box, wherein supporting columns are symmetrically arranged on two sides of the lower end of the processing box; the lower ends of the supportingcolumns are fixedly connected with the fermenting and storing box; supporting legs are symmetrically arranged on two sides of the lower end of the fermenting and storing box; a roller which facilitates carrying of the device is arranged at the lower end of each supporting leg; the processing box is a cylindrical barrel; a driving motor is fixed in the middle of the upper end of the processing box;and a rotating shaft is arranged at an output end of the driving motor. The straw feed pulverizing and mixing integrated processing device for animal husbandry is simple and reasonable in structure and convenient to carry; a pulverizing mechanism and a stirring mechanism are arranged integrally, so that the occupied area of the device is reduced; the working range of a pulverizing knife and the working range of a stirring rod are adjustable, so that the pulverizing range and the stirring range of the device are expanded; and the early-stage pulverizing quality of the straws and the rear-stagestraw and addition material mixing effect are ensured, thus, the quality of processed feed is ensured, demands of people are met, and practicality is high.

The invention relates to a movable automatic system for making a curing formed product. The movable automatic system comprises a raw material groove, a pretreatment device, a screening machine, a storing and supplying machine, a curing forming machine, a plurality of conveying machines and a controller, wherein the raw material groove is used for placing raw materials; the pretreatment device is used for cutting, drying and crushing the raw materials; the screening machine is used for screening the pretreated raw materials; the storing and supplying machine is used for storing the screened raw materials and quantitatively distributing and feeding the materials; the curing forming machine is used for extruding to make a raw curing material and is provided with an embeddable mobile container; the conveying machines are used for conveying the raw materials among the pretreatment device, the screening machine, the storing and supplying machine and the curing forming machine from the raw material groove; and the controller is used for controlling the conveying operations among the pretreatment device, the storing and supplying machine, the curing forming machine and the conveying units, and carrying out automatic control of different conditions on different raw materials. The invention also provides a method for making the curing formed product.

The invention belongs to the technical field of preparation of a feed by using plants, and particularly relates to a method and equipment for producing the feed by crushing plant straws. The method comprises the following production steps: collecting the plant straws, crushing the collected plant straws by using a straw crusher into particles of 2-5cm, and transporting the particles to a collecting and charging barrel by a conveyor; through the intermittent rotation of the collecting and charging barrel, intermittently charging the particles of the plant straws in the collecting and charging barrel into a corn straw silage baling machine, and while charging, adding microorganism liquid to the plant straw particles; and after the microorganism liquid is added to the plant straw particles, performing packaging by using straw feed bags through the corn straw silage baling machine, so that the production of the plant straw feed is completed. The production method disclosed by the invention is simple, high in efficiency, and low in cost. The produced feed does not go bad after being stored for two years.

The invention discloses a processing method for black carp buoyancy expanding compound feed, which sequentially comprises steps of coarse grinding of a large amount of raw materials, mixing uniformity of first raw material, ultramicro grinding, mixing uniformity of second raw material, hardening and tempering, drying, cooling and the like. The black carp buoyancy expanding compound feed is simple to make up and easy to manage, has overall and balanced nutrition, high digestibility, good disease prevention, excellent water stability, few feed waste and water pollution. By the products of the invention, coefficients of bait are low, the growth speed of the black carp is fast, and the cultivation period is short.

The invention discloses a crushing and drying integrated equipment for pig feed processing, which comprises a support seat, a support frame is connected to both sides of the upper end of the support seat, a crushing barrel is connected to the upper end of the support frame, and an organic cover is connected to the middle part of the upper end of the crushing barrel. A drive motor is installed on the side, the drive shaft is connected to the lower end of the drive motor, the first pulley is connected to the lower end of the drive shaft, the transmission belt is connected to the right end of the first pulley, the second pulley is connected to the right end of the drive belt, and the middle part of the second pulley is connected to the There is a hollow shaft, the lower end of the hollow shaft is connected with a rotating disc, the middle part of the lower end of the rotating disc is connected with a crushing shaft, the upper middle part of the machine cover is equipped with a condensation box, the lower part of the crushing barrel is connected with a cutting plate, and the middle part of the cutting plate is provided with a fixed sleeve to fix The middle part of the cover is connected with a distribution shaft, and the left end of the left support frame is fixed with a cold air box. The invention realizes the timely drying of the feed after the feed is pulverized, increases the processing efficiency, and satisfies the needs of large-scale feed processing.

The invention provides novel stick-bone shaped dog chews and a method for preparing the same, and relates to the technical field of pet foods. The preparation method comprises the steps of coating stuffing on self-made base extruded fishy smell skins, rolling the fishy smell skins into sticks, and cooking and drying the fishy smell skins to obtain the finished product, wherein the dog chews consist of 40 to 80 percent of self-made extruded fishy smell skins and 20 to 60 percent of stuffing in weight percentage; and the stick-bone shaped dog chews are attractive to dogs, can enhance interest and appetite of dogs on the product and do not make dogs boring after the dogs take the stick-bone shaped dog chews regularly, and simultaneously, the fishy smell skins and the stuffing can supply nutrient components needed by dogs, so that the product can be used as a regular food for dogs, and can also make teeth of dogs healthy and clean, effectively improve bowel functions of dogs and better help pets to strengthen bones and body conditions.

The invention discloses a pineapple stem and leaf profiling fermented feed and a processing method thereof. The pineapple stems and leaves and waste residue produced by processing and juicing pineapple stem protease and pineapple leaf scraped hemp leaf residue are used as main raw materials and one or several agricultural straws and pasture are used as auxiliary raw materials; and a starter culture, a nutrient additive and an adsorption agent are added into the raw materials to prepare a special feed for ruminants and piglets through the pressed sealing anaerobic fermentation of the equipment. The invention has the advantages of simple process, less equipment investment, low cost and capability of changing wastes into valuables and development of a new utilization path for pineapple stems and leaves; the fermented feed has favorable palatability, strong aroma and certain medicinal value and accords with the green concept; and products have various forms, not only can be produced in large scale, but also can be processed by feeders; and the bailing/profiling feed has small volume and high density, can be stored in fresh-keeping manner and transported for a long distance and reduces the transportation cost.

The invention discloses an apparatus for processing feed used for pigling culture. The apparatus includes a housing, a motor is in fixed connection to the center of the top of the housing through a bearing and is a variable-speed motor, bolt connection is adopted between the motor and the housing, an output end of the motor is in fixed connection to a vertical stirring shaft, the bottom of the vertical stirring shaft is in fixed connection to fixed stirring blades, a telescopic pipe is in fixed connection to the middle of the vertical stirring shaft, and telescopic rods are in slide connection to the inside of the telescopic pipe in a left and right symmetrical manner. The apparatus is simple in structure and convenient to use. When pigling feed is stirred, the stirring position is continuously changed in horizontal and vertical directions. An overflow device periodically hinders the stable flow state of food, so that the flow state of food becomes disordered. Stirring is fully completed, caking in feed is prevented, and so that pigling can finish all feed, and waste is avoided. The apparatus is worth popularization.

The present invention discloses an automatic environmental protection fermentation system of an organic material. The automatic environmental protection fermentation system comprises plural sets of fermentation conveying units, wherein a plurality of fermentation conveyors are sequentially and three-dimensionally installed from low to high at levels to form the fermentation conveying unit, and each level is provided with a plurality of the material fermentation conveyors forming a straight line connection. According to the present invention, a material is input from the input end of the fermentation conveyor positioned on the high level and fermented, fermentation is completed in a level-by-level conveying descending process from high to lower, and the material is output through the output end of the fermentation conveyor positioned on the lower level; and the three-dimensional level-by-level design is adopted, such that an utilization rate and fermentation efficiency of the material fermentation plant are substantially increased, and a recovery treatment is performed on foul fermentation exhaust gas so as to achieve cleaning environmental protection production and solve the technical problems in the traditional technology.

The invention discloses a feed fine grinding device for fish fry cultivation, which comprises a shock absorbing spring, a shock absorbing cylinder, a grinding box, a grinding tank, a screening plate, a screw rod, a grinding roller, a grinding motor, a feeding trough, and a quantitative circular wheel and a magnet, the inside of the grinding box is provided with a grinding tank, a sieve plate is installed at the bottom of the grinding tank, a screw rod is installed on the front side of the grinding tank, and a guide rod is fixedly installed on the rear side of the grinding tank. Grinding rollers are also fixedly installed, and a quantitative round wheel is also rotatably installed inside the cutting trough; a magnet is fixedly installed on the lower side of the grinding box, and an electromagnet is also fixedly installed on the base. When it is necessary to grind the fish feed, the electromagnet is powered on and off intermittently, so that the grinding box moves up and down, thereby speeding up the speed of sieving the feed after grinding; after the sieving is completed, it is realized under the action of the quantitative round wheel Quantitative discharge, so as to accurately control the feeding amount of fish food, so as to achieve reasonable feeding.

The invention discloses a kitchen garbage treatment device. Solid-liquid separation and oil-water separation are realized through rapid squeezing at a kitchen garbage generation site; solid kitchen garbage is packed and collected after solid-liquid separation; the solid kitchen garbage can be conveyed to a husbandry farm for being used as fodders, or is conveyed to a garbage treatment factory forproducing organic fertilizers; the liquid after solid-liquid separation is subjected to oil-water separation; extracted and collected kitchen waste oil is supplied to chemical factory as an industrialproduct raw material or is comprehensively utilized for producing biomass diesel; and harmless waste water is directly drained. Especially, by adopting the kitchen garbage on-site treatment mode, swill is eradicated, so that swill pigs and swill-cooked dirty oil are eradicated; the solid kitchen garbage serves as a livestock fodders directly or after refrigeration, so that good resource utilization is realized; and since the waste oil is collected and utilized after oil-water separation, and the harmless waste water is directly drained, so that only solid or hermetically-packed decreased garbage needs to be conveyed, and thus the trouble that the environment of a city is affected by swill conveying is also eradicated.

The invention discloses an efficient feed stirring device. The device comprises a base, a stirring frame, a moving seat, a driving plate, a pull rope, a rack and a gear. The stirring frame is driven by the driving plate to reciprocate leftwards and rightwards and drives the rack to reciprocate leftwards and rightwards through the pull rope and a first reset spring so as to drive the gear to rotate forwards and backwards, so that feed is stirred forwards and backwards by stirring blades, the stirring effect is good, the stirring range is enlarged due to leftward-rightward reciprocation of the stirring frame, and stirring is more uniform; an opening and closing assembly for opening and closing a discharging pipe is also arranged, control of discharging is facilitated, the operation is simple, the discharging diameter of the discharging pipe can be changed by controlling the movement distance of a seal plate, and the discharging speed is conveniently controlled.

The invention relates to a biologically fermented feed as well as a preparation technology and a special device thereof. The preparation technology comprises the steps of: pre-cleaning, grinding, mixing, inoculating, packaging and fermenting raw materials, is simple and convenient to operate, and realizes the mechanical continuous production. In the formulation of the biologically fermented feed, leftovers of agricultural and sideline products, with the low price, such as apple pomace, jujube powder, peanut shells, distillers dried grains with soluble (DDGS), spray corn husks and other biological matrixes are adopted, and the biologically fermented feed is prepared by adding a premix and bacteria liquid into the leftovers, mixing and fermenting. The prepared biologically fermented feed is stable in quality, good in palatability, comprehensive in nutritive value, high in living bacterium content and easy to store and transport, can be directly fed as daily ration of livestock and poultry, and can replace 20-30% of a complete formula feed, thus saving grains in deed and reducing the breeding cost.