Process for controlling rotary calcining kilns, and control syst

Details Process for controlling rotary calcining kilns, and control syst Process for controlling rotary calcining kilns, and control syst

1994-05-25

1996-06-04

Envall, Jr., Roy N.

Boots, shoes, and leggings

364477, G06F 1900

Patent

active

055239579

ABSTRACT:
A process and control system for controlling a rotary calcining kiln having a feed material inlet for material to be calcined, a calcined product outlet and a high temperature zone in which said material is calcined, the high temperature zone being movable within the rotary calcining kiln according to changes in operational control variables of the rotary calcining kiln. The process comprises measuring temperatures within the rotary calcining kiln at various positions spaced from each other along the rotary calcining kiln in a region overlapping a predetermined desired position for the high temperature zone, and adjusting the control variables to move the high temperature zone to the desired position when the high temperature zone deviates from the desired position. In the process, the temperatures are measured by thermocouples having thermocouple junctions protected by heat and abrasion resistant sheaths, preferably made of alumina/silicon carbide ceramics, positioned within the rotary calcining kiln.

REFERENCES:
patent: 3280312 (1966-10-01), Sandelien
patent: 3647195 (1972-03-01), Drewry
patent: 3966560 (1976-06-01), Farago et al.
patent: 4022569 (1977-05-01), Farago et al.
patent: 4038153 (1977-07-01), Deruelle et al.
patent: 4092098 (1978-05-01), Honaker et al.
patent: 4834648 (1989-05-01), Angelo, II
patent: 4894904 (1990-01-01), Nakano
patent: 4910684 (1990-03-01), Ostergaard et al.
patent: 5173283 (1992-12-01), Parent

Affiliated with

Also associated with

Rating

Process for controlling rotary calcining kilns, and control syst does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for controlling rotary calcining kilns, and control syst, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for controlling rotary calcining kilns, and control syst will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-389260