An impact crusher for grinding and separating solid material has a base and a rotor on the base having an upright shaft defining an upright rotor axis about which the rotor is rotatable and a plurality of vertically spaced and radially horizontally outwardly extending plates each having an outer periphery. A drum fixed on the base spacedly surrounds the rotor. An array of axially extending and angularly substantially equispaced replaceable ribs is provided on an inner surface of the drum. A respective plurality of impact hammers are angularly substantially equispaced around the outer periphery of each of the disks. Respective mounting pivots support the hammers on the outer peripheries of the plates for pivoting about respective hammer axes parallel to the rotor axis so that rotation of the rotor grinds material between the hammers and the ribs. Formations between the mounting pivots and the respective disks enable radial adjustment and fixing of the hammer axes relative to the rotor axis.

An impact crusher for grinding and separating solid material has a base and a rotor on the base having an upright shaft defining an upright rotor axis about which the rotor is rotatable and a plurality of vertically spaced and radially horizontally outwardly extending plates each having an outer periphery. A drum fixed on the base spacedly surrounds the rotor. An array of axially extending and angularly substantially equispaced replaceable ribs is provided on an inner surface of the drum. A respective plurality of impact hammers are angularly substantially equispaced around the outer periphery of each of the disks. Respective mounting pivots support the hammers on the outer peripheries of the plates for pivoting about respective hammer axes parallel to the rotor axis so that rotation of the rotor grinds material between the hammers and the ribs. Formations between the mounting pivots and the respective disks enable radial adjustment and fixing of the hammer axes relative to the rotor axis.

An impact processing system 10 having a central opening 12 enabling material flow into a primary impact zone 14 in which is located an impact mechanism 16 rotatable about a rotation axis 18. An impact structure 20 provided with a plurality of holes 22 surrounds the impact mechanism 16. The rotatable impact mechanism 16 impacts material entering the primary impact zone 14 from the central opening 12 and accelerate the impacted material in a radial outward direction toward the impact structure 20 to effect fragmentation of the impacted material so that when sufficiently fragmented the material is able to pass through the holes 22. An optional outer structure 30 is radially spaced from the impact structure 20 and may comprise one or more segments that cumulatively extend about the axis of rotation 18 for an angle from 30 and 270 inclusive. A rotatable set of impact members 50 may be located between the impact structure and the outer structure. One or more gaps 28 may be provided in the impact structure 20 to allow the passage of large and/or hard objects that cannot otherwise be fragmented. The outer structure 30 is positioned to span across the gaps 28 so that material passing there thought is directed onto the outer structure 30.

This disclosure relates to a striking tool for use in a high velocity, high impact energy comminution mill. The tool comprises an elongate body attachable at a first end to the comminution mill, and further comprises a wear resistant element for improving the wear resistance of the striking tool. The wear resistant element comprises a plurality of individual units.

A rotary crushing apparatus includes a container (including a stationary drum, a rotating drum, and a top plate) into which a processing object containing raw material soil is fed. A rotating shaft extends in the vertical direction, and an impact member rotates in the rotating drum by the rotation of the rotating shaft to crush the processing object. Then, the rotating shaft is provided in such a way as to penetrate the top plate 10a, and the rotating shaft is rotatably held via ball bearings provided in the vicinity of the top plate. In addition, the lower end of the rotating shaft is a free end.

A rotary crushing apparatus includes a container (including a stationary drum, a rotating drum, and a top plate) into which a processing object containing raw material soil is fed. A rotating shaft extends in the vertical direction, and an impact member rotates in the rotating drum by the rotation of the rotating shaft to crush the processing object. Then, the rotating shaft is provided in such a way as to penetrate the top plate 10a, and the rotating shaft is rotatably held via ball bearings provided in the vicinity of the top plate. In addition, the lower end of the rotating shaft is a free end.

To enable an impact applying member to efficiently crush an object to be crushed, a rotary crushing apparatus includes an impact applying member that is connected to a rotating shaft and crushes a processing object by means of rotation of the rotating shaft. The apparatus also includes a feeding device that feeds the processing object to the impact applying member in such a way that an axis direction of conveyance of the processing object is substantially identical to an axis direction of rotation of the impact applying member.

To enable an impact applying member to efficiently crush an object to be crushed, a rotary crushing apparatus includes an impact applying member that is connected to a rotating shaft and crushes a processing object by means of rotation of the rotating shaft. The apparatus also includes a feeding device that feeds the processing object to the impact applying member in such a way that an axis direction of conveyance of the processing object is substantially identical to an axis direction of rotation of the impact applying member.

The present invention relates to a device for treatment of a material mixture consisting of substitute fuel and impurities, having a vertically aligned central feeder (1), a separating unit (2) arranged underneath the central feeder (1), a rotor mill (3), wherein the rotor mill (3) is arranged above the separating unit (2) and surrounds the central feeder (1), a flow device (4) for generating an upwardly directed gas flow, wherein the rotor mill (3) has a multistage design, and a respective separating device (6) is arranged between the stages (5.1, 5.2) of the rotor mill (3), wherein material mixture not held back by the separating device (6) is further comminuted in the following stage (5.2).

A grinder device is provided with two sets of counter-rotating impact elements that pulverize the material via collisions, which represent impact forces twice as powerful through the doubling of the tip velocity. A continuous self-discharge of harder and heavier particles is provided to assure higher energy efficiency and a cleaner product that subjects the unit to less wear and tear. Outlet ports are provided on flange caps that are removably attached to the grinder device so that the position of the outlet port with relation to the position of a grinder stator is selectively modified. The device of the present invention can be provided in a container for integrating into an existing system or to operate as a standalone unit.