7039results 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.

The invention discloses a multi-direction high-efficiency feed mixing device. The multi-direction high-efficiency feed mixing device comprises a base, wherein a groove is arranged in the base; a support plate is arranged at the top part of the base; a speed reduction motor is arranged at the top part of the support plate; a motor shaft at the bottom end of the speed reduction motor penetrates through the support plate and is connected with a rotary disc; the right side of the bottom part of the rotary disc is rotationally connected with a connecting rod through a pin shaft; a first slide rail is arranged at the bottom part of the groove in the base; the upper part of the first slide rail is glidingly connected with a first gear rack through a slide block, and the left end of the first gear rack is hinged to the right end of the connecting rod; the bottom part of the groove in the base is rotationally connected with a first rotary shaft through a first bearing with a base, a first gear is arranged on the first rotary shaft and is engaged with the first gear rack, and the top end of the first rotary shaft penetrates through the support plate and is fixedly connected with a mixing box. The multi-direction high-efficiency feed mixing device has the advantages that the speed reduction motor is used as a power source to drive in working, so that the operation is simple, and the convenience in control and use is realized; the rotary disc is rotated, and then the mixing box is positively and reversely rotated, so that the feed is more sufficiently mixed, and the uniformity of the feed in mixing is effectively improved.

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.