Method for maximizing the reduction efficiency of a recovery boi

Details Method for maximizing the reduction efficiency of a recovery boi Method for maximizing the reduction efficiency of a recovery boi

1980-10-03

1982-11-23

Favors, Edward G.

Furnaces

With control means responsive to a sensed condition

Feed control

162 301, 236 15E, 422185, 431 76, F23N 518

Patent

active

043599508

ABSTRACT:
In a recovery boiler having a plurality of air inputs, with the primary air input closest to the bed of the boiler, a fuel input, a smelt output, and an exhaust output, a method of controlling the combustion of fuel in the boiler to operate at the maximum reduction efficiency. The method includes the steps of measuring the amount of sulphur dioxide at the exhaust output; and varying the amount of air entering into the boiler through the primary air input until the minimum amount of sulphur dioxide is measured at the exhaust output.

REFERENCES:
patent: 3607117 (1971-09-01), Shaw et al.
patent: 3644092 (1972-02-01), Campbell
patent: 3723047 (1973-03-01), de Livois
patent: 3877879 (1975-04-01), Palm et al.
patent: 4235171 (1980-11-01), Leonard

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