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METHOD AND DEVICE FOR REGULATING THE COMBUSTION AIR FLOW OF A FUME CAPTURING DEVICE OF A METALLURGICAL REACTOR, CORRESPONDING CAPTURING DEVICE AND METALLURGICAL REACTOR.
METHOD AND DEVICE FOR REGULATING THE COMBUSTION AIR FLOW OF A FUME CAPTURING DEVICE OF A METALLURGICAL REACTOR, CORRESPONDING CAPTURING DEVICE AND METALLURGICAL REACTOR.
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机译:调节冶金反应器烟气捕集装置,对应捕集装置和冶金反应器的烟气流动的方法和装置。
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摘要
For regulating the combustion air flow-rate of a device (1) for collecting the fumes of a metallurgical reactor (2) comprising a combustion chamber (4) fed with air through a fan (9) of variable flow-rate, a set-point value C0 for the oxygen content in the fumes in the exhaust pipeline (5) is set, the oxygen content M1 of the fumes at the outlet of the combustion chamber (4) is measured, using C0 and M1, a set-point C1 of variation in the combustion air flow-rate is calculated, a parameter representative of sharp variations in unburnt gas flow-rate at the outlet of the metallurgical reactor (2) is measured, and a combustion air flow-rate set-point C2 is calculated for obtaining complete combustion of the unburnt gases in the fumes; the values C1 and C2 are added to obtain a combustion air flow-rate set-point which is sent to the regulation of the fan (9); these calculations can be carried out with electronic means (14, 15, 16). IMAGE
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