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US 11,919,008 B2Granted
Lifter bar, arrangement at grinding mill discharge end and method for disassembling discharge end of grinding mill
AssigneeMetso Outotec Finland Oy
InventorsNick Green, Damon Bordi, Tuomas Tani, Peter Nilsson
Life of this patent
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Abstract
A lifter bar for an open-ended grinding mill that includes an elongated bar structure and at least one groove portion provided in the elongated bar structure. The groove portion is configured to open on the side of the lifter bar facing outwards from the grinding mill volume, when the lifter bar is mounted onto the grinding mill. The groove portion is provided with at least one through hole opening for a mounting member.
Claims12
An arrangement at a discharge end of an open-ended grinding mill having a grinding mill volume, the arrangement comprising:
- a lifter bar that comprises:
- an elongated bar structure;
- and
- a groove portion provided in the elongated bar structure, wherein the groove portion is provided with at least one through hole opening configured to receive a mounting member,
- a grate panel having at least one through hole opening, and
- a grate support element, the grate support element including a grate support element vane having at least one opening,
- wherein the groove portion of the lifter bar is configured to open on a side of the lifter bar facing outwards from the grinding mill volume when the grate support element vane is received in the grove portion of the lifter bar,
- wherein when the grate support element vane is received in the groove portion of the lifter bar, one or both of the grate panel and the grate support element is mounted to the lifter bar by mounting members arranged in aligned openings in the grate support element vane and one or both of the grate panel and the grate support element.
5 more elements
Dependencies are inferred from the claim text.