PROCESS OF BURNING BLACK LIQUOR IN MULTIFACE FURNACE AND DEVICE FOR ITS REALIZATION Russian patent published in 1994 - IPC

FIELD: burning of fuels. SUBSTANCE: air for burning is fed through holes placed at same level by jets of at least two sizes. Air holes in walls of furnace in direction from angle of furnace to middle of its walls. Thanks to it depth of penetration of corresponding jets of air flowing through holes enhances. Depth of penetration is maintained constant at different operating conditions. EFFECT: enhanced efficiency of burning of fuels. 15 cl, 5 dwg