Process and apparatus for cyclonic combustion

Combustion – Process of combustion or burner operation – Flame shaping – or distributing components in combustion zone

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431 9, 431173, 431116, 431351, 122 18, 122250R, F23M 314, F23C 906

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active

054624304

ABSTRACT:
A process and apparatus for cyclonic combustion with ultra-low pollutant emissions and high efficiency wherein a fuel and primary combustion air mixture is tangentially injected into a reducing primary combustion zone of a cyclonic combustor. The primary combustion air is injected into the reducing primary combustion zone in an amount equal to between about 30% and about 90% of a stoichiometric requirement for complete combustion of the fuel. Secondary combustion air is tangentially injected into an oxidizing secondary combustion zone of the cyclonic combustor, in an amount equal to between about 10% and about 90% of the stoichiometric requirement for complete combustion of the fuel. Primary combustion products from the reducing primary combustion zone are mixed with the tangentially injected secondary air for completing combustion within the oxidizing secondary combustion zone. Combustion chamber walls which define the reducing primary combustion zone and the oxidizing secondary combustion zone are water-cooled.

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