JP2009039628A5 - - Google Patents

Claims (4)

A casing for receiving an object to be crushed;
A hammering hammer body that is arranged in the casing so as to be capable of normal rotation and reverse rotation, attaches a hammer to the rotary rotor, and pulverizes the object to be crushed introduced into the casing by hammering,
A guide / supply position of the object to be crushed is set by guiding and supplying the object to be crushed installed in the casing in the direction of the hammering hammer body and switching between normal rotation and reverse rotation of the hammering hammer body. A switching damper for switching,
A screen that is provided between the casing and the hammering hammer body and passes the object to be crushed by hitting with the hammering hammer body through a sieve;
The object to be crushed is connected to the casing and has an inlet for the object to be crushed and is not sized to pass through the screen. Heavy foreign matter separation / discharge means for separating and discharging heavy foreign matter from the object to be crushed released into the casing and returning the rest into the casing;
A crusher characterized by comprising: The crushing apparatus according to claim 1,
The horizontal distance between the tip of the crushed object chute surface, which is provided in the switching damper and supplies the crushed object, and the perpendicular extending directly from the axis of the hammering hammer body is supplied to the new crushed object. A pulverizer characterized in that it is set within a range in which heavy foreign matter can be reliably discharged without any loss. The crushing apparatus according to claim 1,
The heavy foreign matter separating / discharging means, when the ballistic discharge direction of the heavy foreign matter is changed by the switching of the ground object supply opening by the switching damper, the heavy foreign matter is placed on the side opposite to the ground object inlet. A pulverizer characterized in that it is configured to separate and discharge after being reflected and assembled. In the grinding apparatus according to any one of claims 1 to 3,
The crushing apparatus according to claim 1, wherein the heavy foreign matter separating / discharging means has a structure in which straight hoppers and inclined hoppers are alternately connected.