| 摘要 |
A vertical shaft impact crusher is provided, having a cylindrical tank in which the rotor is mounted for rotation about a vertical axis and for receiving rock fed axially from above and having impeller shoes for accelerating and throwing the rock outward against an annular breaker ring; wherein the breaker ring is a circular hoop mounted to the interior of the tank and has a plurality of spaced mounting means designed to securely yet releasably hold a plurality of specially designed anvil members, each having a head comprised of a flat impact surface and an octagonal shaped periphery; a foot portion and a narrowed neck portion connecting said head and foot portions and engaging the mounting means so that the anvil may be indexed at a number of annular positions. |
