| 摘要 |
A crusher comprising a box-like crusher frame (1) with two end walls (2) and two side walls (3) connecting the end walls;at least one crusher rotor (4) that is supported for a rotating movement inside the crusher frame (1) against its end walls (2); the circumference of the crusher rotor (4)having a plurality of crusher teeth (5)and the crusher having counter-blade structures (6, 7) arranged to cooperate with the crusher teeth (5) of the crusher rotor (4), and the material (F) fed into the crusher for crushing being intended to be fed essentially above the centre line of the rotor(s) (4) and to be crushed between the crusher teeth (5) of the crusher rotor (4) and the counter-blade structures (6, 7);wherein two hatches (8, 9) are arranged on at least one side wall (3) side of the crusher, the first hatch (8) being above the centre line of the crusher rotor (4) and pivoted at its top part to the crusher to be turnable toward the centre line of the crusher, and the second hatch (9) being mainly below the centre line of the crusher rotor (4) and movable away from the front of the crusher rotor (4). |
