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US 9,283,566 B2Granted
Configurations for liners in grinding mill with gearless motor drive
AssigneeFluor Technologies Corporation
InventorAlexander Kheifets
Life of this patent
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Abstract
A grinding mill liner has a plurality of liner elements with respective bolt passages that are placed such that the passages, when the liner is installed into a mill shell, are placed outside a footprint of a peripheral device on the mill shell. Most typically, the peripheral device is a gearless motor drive that is operationally coupled to the mill shell in a position other than the end of the mill shell.
Claims9
A plurality of grinding mill liner elements for a mill shell having a peripheral device, comprising:
- a first set of the plurality of liner elements having a first average length and a second set of the plurality of liner elements having a second average length, wherein the first and second average lengths are different;
- wherein the plurality of liner elements comprises a plurality of bolt passages;
- wherein the first set of the plurality of liner elements are sized and the bolt passages in the first set of the plurality of liner elements are placed to thereby position the bolt passages in the first set of the plurality of liner elements outside a footprint of the peripheral device on the mill shell when the plurality of liner elements are installed into the mill shell;
- and
- wherein the mill shell has a first end and a second end, and an outside surface between the first and second end, and wherein the peripheral device is a gearless motor drive having a stator coupled to the outside surface of the mill shell in a position between the first and second ends.
2 more elements
Dependencies are inferred from the claim text.