On-line pulverizer coordination adjustment for multiple coals

Details On-line pulverizer coordination adjustment for multiple coals On-line pulverizer coordination adjustment for multiple coals

1989-03-14

1990-04-10

Eley, Timothy V.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

B02C 1900, B02C 2500

Patent

active

049153064

ABSTRACT:
A method of controlling the operation of a pulverizer includes detecting the type of fuel being supplied to the pulverizer. At least one characteristic of the fuel is determined by a combination of measurements and calculations. One characteristic is moisture content which distinguishes one type of fuel, in particular, one type of coal, from another. The feeding rate of the fuel to the pulverizer is selected from a curve which plots primary air flow against percentage of rating for the pulverizer. This curve is constant for the pulverizer despite the types of fuel used.

REFERENCES:
patent: 4478371 (1984-10-01), Williams
patent: 4498632 (1985-02-01), Ruter
patent: 4518123 (1985-05-01), Tanaka et al.
patent: 4770350 (1988-09-01), Szekely et al.

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