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Brief introduction of feed machinery

Brief introduction of feed machinery

(Summary description)The granulating principle of the ring die granulator: the refined powder material, advanced film hood, the material is evenly fed into the two ring die by gravity, the centrifugal force generated by the rotation of the ring die and the action of the feeding scraper In the pressing zone, and in the wedge-shaped space formed by the two pressing rollers and the ring die, the material is brought in and compressed due to the rotation of the ring die. After extrusion, the material is squeezed into the hole of the ring die and extruded outside the ring die after forming It is cut into pellets of suitable length by an adjustable cutter.

Brief introduction of feed machinery

(Summary description)The granulating principle of the ring die granulator: the refined powder material, advanced film hood, the material is evenly fed into the two ring die by gravity, the centrifugal force generated by the rotation of the ring die and the action of the feeding scraper In the pressing zone, and in the wedge-shaped space formed by the two pressing rollers and the ring die, the material is brought in and compressed due to the rotation of the ring die. After extrusion, the material is squeezed into the hole of the ring die and extruded outside the ring die after forming It is cut into pellets of suitable length by an adjustable cutter.

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  • Time of issue:2021-08-25 15:08
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The granulating principle of the ring die granulator: the refined powder material, advanced film hood, the material is evenly fed into the two ring die by gravity, the centrifugal force generated by the rotation of the ring die and the action of the feeding scraper In the pressing zone, and in the wedge-shaped space formed by the two pressing rollers and the ring die, the material is brought in and compressed due to the rotation of the ring die. After extrusion, the material is squeezed into the hole of the ring die and extruded outside the ring die after forming It is cut into pellets of suitable length by an adjustable cutter.

Film pressing and pressing roller: The main working parts of the granulator are pressing film and pressing roller. Common die hole types include straight hole, stepped hole, outer tapered hole and inner tapered hole. The parameters of the die hole have a direct influence on the effect and quality of the granulator. Film thickness: The thickness of the mold is determined by the characteristics of the material and the hole diameter of the film. To suppress different feeds, the corresponding optimal length (depth) diameter ratio is required to obtain high-quality pellets. Die hole form: straight hole and stepped hole are suitable for processing compound feed. The size of the open porosity on the surface of the film pressing tool has a great influence on the production of the pelletizer. Considering that the die has sufficient strength, try to increase the opening rate as much as possible. The pressure roller is used to squeeze the material into the die and extrude it from the die hole. In order to prevent "slip" and increase the grabbing force, the surface of the press roller is drawn in the axial direction to increase friction and wear resistance. In view of the fact that the diameter ratio of the pressure roller and the pressure mold is about 0.4:1, the linear speed of the two is basically the same, and the wear rate of the pressure roller is 2.5 times higher than that of the pressure mold, so the hardness of the pressure roller should be higher than that of the pressure mold.

Grading screen: The materials fed from the feed inlet are uniformly distributed on the entire screen surface under the circular motion of the screen body, and automatic classification is produced. As a result, the material with the smaller particle size below the material layer is quickly sieved, while the material with the larger particle size above moves to the discharge end. In the moving process, because there is no agitation and vertical movement, the smaller particles are always close to the screen surface and can be screened at any time. The movement of the discharging end and the screen body becomes approximately reciprocating linear movement until it is discharged outside the machine to complete the entire screening of the material. During the sieving process, the constantly beating elastic ball can effectively prevent the material from blocking the sieve holes and ensure the high efficiency of the sieve.

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Products through train: granulator, crusher, mixer, extruder, cooler, lifting conveyor, crusher, dryer, pulse dust collector, steel silo

Products through train: granulator, crusher, mixer, extruder, cooler, lifting conveyor, crusher, dryer, pulse dust collector, steel silo

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