Methods and systems for cement finishing mill control
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United States of America Patent
Stats
-
Sep 22, 2009
Grant Date -
Mar 23, 2006
app pub date -
Aug 15, 2005
filing date -
Aug 13, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Methods and systems for controlling a cement finishing mill, and operating the mill at an optimal point, are disclosed. To determine an optimal point of operation, values of mill power and sound are collected and compared to values predicted by a model to determine if the mill is choking. This choking determination is used in one of two processes to determine an optimal point of operation for the mill. In the first process, as long as the mill is not choking, the amount of fresh feed input to the mill is incrementally increased; when choking occurs, the amount of fresh feed is decreased until choking ceases. In the second process, the amount of fresh feed input to the mill is increased and decreased in an oscillating manner over time, to find the amount of feed that results in the mill approaching, but never reaching, a choking state.
First Claim
Other Claims data not available
Family
International Classification(s)
- B02B:PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRU....
- B02C:CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERA....
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- B07B:SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENIN....
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- 2005 Application Filing Year
- B02B Class
- 28 Applications Filed
- 17 Patents Issued To-Date
- 60.72 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- B02B Class
- 0 % this patent is cited more than
- 16 Age
