VERTICAL FOUR-SIDE FURNACE FOR CO-BURNING OF NATURAL GAS AND PRODUCTS OF COAL GASIFICATION AND METHOD OF OPERATING SAME Russian patent published in 1995 - IPC

FIELD: power engineering. SUBSTANCE: furnace has combustion chamber and at least one row of nozzles for air supply mounted on two opposite walls of the chamber and nozzles for supplying natural gas mounted on the walls at the same level as the air nozzles in each horizontal row. The axes of all nozzles are tangential to a circumference in the center of the furnace. The combustion chamber has a nozzle for supplying of products of coal gasification along vertical axis of the furnace. EFFECT: enhanced efficiency. 3 cl, 5 dwg, 6 tbl