Patent ID: 11925939
Assignee: KLEEMANN GMBH
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A method of determining wear of a rotary impact crusher, the rotary impact crusher including:
an impact rotor and at least two impact bars connected to the impact rotor, the impact bars each having a radially outer end, wherein the radially outer end of at least one of the impact bars forms an impact circle during rotation of the impact rotor;
at least one impact rocker operably associated with the impact rotor such that in an operating position a crushing gap is formed between the impact circle and a crushing section of the at least one impact rocker; and
an actuator configured to adjust a position of the at least one impact rocker relative to the impact rotor;
wherein the method comprises steps of:
(a) adjusting the position of the at least one impact rocker relative to the impact rotor with the actuator by a first adjustment value until the crushing section of the at least one impact rocker contacts the at least one of the impact bars or the impact circle;
(b) comparing the first adjustment value to a first reference value to make a first comparison corresponding to total wear of the at least one impact rocker and the at least one of the impact bars;
(c) adjusting the position of the at least one impact rocker relative to the impact rotor by a second adjustment value until the at least one impact rocker contacts a reference measurement section defined on the impact rotor; and
(d) comparing the second adjustment value to a second reference value to make a comparison corresponding to wear of the at least one impact rocker.