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US 6,783,091 B2Granted
Two-fluted housing liner
AssigneeThe Babcock & Wilcox Company
InventorCraig S. Whaley
Life of this patent
Estimating the term…
Abstract
A pulverizer housing liner for the housing unit of an EL pulverizer is made up of an arcuate liner body having an inner curved surface forming a segment of the circular housing unit and two circumferentially spaced flutes fixed to the inner surface.
Claims6
A pulverizer housing liner for a circular housing unit of a pulverizer, comprising:
- an arcuate liner body having an inner curved surface forming a segment of the circular housing unit;
- at least two circumferentially spaced flutes fixed to the inner surface;
- each flute having a substantially uniform cross-sectional area throughout its length and being inclined at an acute angle with respect to a vertical axis of the pulverizer;
- and wherein each flute has a first side with a concave cross-section and an opposite side that is inclined toward the first side.
1 more element
A pulverizer comprising:
- an upright housing;
- a top grinding ring in the housing and having a grinding track to receive a plurality of pulverizer balls;
- a bottom grinding ring in the housing and having a grinding track to receive the plurality of pulverizer balls;
- and a housing unit extending around the tracks and made up of a plurality of circumferentially extending, side-by-side housing liners;
- each housing liner including an arcuate liner body covering a lower portion of the housing and having an inner curved surface forming a segment of the circular housing unit and at least two circumferentially spaced flutes fixed to the inner surface;
- each flute facing the pulverizer balls and having a substantially uniform cross-sectional area throughout its length, each flute being inclined at an acute angle with respect to a vertical axis of the pulverizer and having a first side with a concave cross-section and an opposite side inclined toward the first side.
3 more elements
Dependencies are inferred from the claim text.