Combustor for burning a coal-gas mixture

Furnaces – Utilizing powdered fuel

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Details

110104B, 110261, 110264, F23D 100, F23C 112, F23K 302

Patent

active

059505478

ABSTRACT:
A coal combustor for combustion of coal in fossil burning plants, comprising a refractory including a reactor chamber, combustion chamber, and discharge chamber serially connected along a central longitudinal axis. The chambers define, respectively a reactor zone, combustion zone, and discharge zone extending through the refractory. A ceramic baffle insert is concentrically disposed within the forward end of the reactor chamber. The baffle defines at least one coal-gas passage extending longitudinally through the baffle and communicates an air-fuel mixture to the reactor zone. A reactor core tube is sealingly engaged by the baffle and in communication with the coal-gas passage. The reactor core tube extends longitudinally through a portion of the reactor zone and terminates in the combustion zone for communicating a coal-gas mixture from the coal-gas passage to the combustion zone. The air-fuel mixture is burned in the reactor zone to heat the reactor core tube and the coal-gas mixture passing through the reactor core tube by conduction, before entry into the combustion zone.

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