F - Mech Eng,Light,Heat,Weapons – 23 – N
Patent
F - Mech Eng,Light,Heat,Weapons
23
N
122/27
F23N 5/18 (2006.01)
Patent
CA 1172528
A B S T R A C T This relates to a method of operating a recovery boiler at maximum reduction efficiency. The boiler has a plurality of air inputs including a primary air input closest to the bed of the boiler, a fuel input, a smelt output, and an exhaust output. The method comprises measuring the amount of sulphur dioxide at the exhaust output, and varying the amount of air entering the boiler through the primary air input until the minimum amount of sulphur dioxide is measured at the exhaust output. In a preferred form the method may be utilized in conjunction with the steps of detecting the amount of carbon monoxide at the exhaust output and changing the total amount of air entering the boiler until the amount of carbon monoxide detected equals a target value for best combustion efficiency.
399610
Kaski Kalevi
Leffler Nils
Measurex Corporation
Smart & Biggar
LandOfFree
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