Process control method and apparatus

Details Process control method and apparatus Process control method and apparatus

1977-06-20

1978-09-19

Ruggiero, Joseph F.

Boots, shoes, and leggings

23230A, 236 15E, 423360, 431 12, 422109, G06G 758, F23N 100

Patent

active

041158628

ABSTRACT:
A method and apparatus is provided for controlling the operation of a reforming furnace used to decompose at least a portion of a feed stream. A by-product fuel from subsequent process steps, which is a result of decomposition of the feed in the furnace, is used as one fuel source to fire the furnace. The control system monitors the byproduct fuel stream and the feed stream to a decomposition side of the furnace and determines the feed rate of additional fuel required to fire the furnace, which feed rate is correspondingly controlled. The control system includes means for determining various selected variables as sensed by suitable analyzers and flow rate meters and comparing certain variables to determine the flow rate of the additional fuel required to fire the furnace.

REFERENCES:
patent: 3503553 (1970-03-01), Schomaker
patent: 3721253 (1973-03-01), Remke
patent: 3722811 (1973-03-01), Osburn
patent: 3824388 (1974-07-01), Cugini
patent: 3993447 (1976-11-01), Buss et al.
patent: 4028194 (1977-06-01), Boyd

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