METHOD OF PREPARATION AND DISTRIBUTION OF COAL IN TUNNEL OVENS Russian patent published in 1995 - IPC

FIELD: power engineering. SUBSTANCE: flue gases are fed from the incandescence zone at the temperature equal to 300-600 C and is mixed with the cold outdoor air coming from the closed space over the bunker. The dosing of the coal into the roasting zone is exercised before drying off. In this case the drying off and the drop of the used up drying agent with the temperature equal to 100-150 C into the zone of the oven preparation is carried out under rarefaction. The fuel-air mixture with the temperature of 100-150 C is fed into the oven and is distributed into sprayers. EFFECT: facilitated manufacture. 1 dwg