| 摘要 |
Replaceable liner for the discharge assembly of a rotary grinding mill or the like is disclosed, in the preferred embodiment, as including first, second, and inner most self-supporting box members. The first box member includes closed sides, bottom, and second end, and includes an open top and first end. The second box member includes closed sides, top, and bottom, and includes open ends. When the grate is removed from the first discharge casting, the second box member can be inserted within the first discharge casting and moved into the second and third discharge castings. Then the first box member can be placed within the first discharge casting. Thus, when the grate is attached to the first discharge casting, the first and second box members will be captured within the first and second discharge castings. The inner most box member is provided for installation in the three inner most castings which form the discharge cone of the discharge assembly. The inner most box member includes closed sides, top, and bottom, and includes open ends. The inner most box member further includes a discharge outlet formed by the top generally extending beyond the open end and terminating in a curved portion which follows and protects the three inner most castings. Further, one of the sides also extends beyond the open end of the inner most box member and terminates in the curved portion of the top such that the sides extend past the open end alternately in the mill and the inner most box members in adjacent tiers of discharge castings form a unitary outlet.
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