GAS SUPPLY DEVICE Russian patent published in 1997 - IPC

FIELD: equipment for treatment and transportation of loose material in fluidized bed apparatuses with directive mixing of material and pneumatic chutes used in non-ferrous metallurgy; chemical industry and manufacture of building materials. SUBSTANCE: device contains cap with inlet hole and slit-type exhaust hole whose axis is located at angle relative to longitudinal axis of cap and transversely relative to generatrices of cap walls; it is secured on gas supply grate coaxially relative to holes or on nipple. Baffle with side walls is provided above exhaust hole. EFFECT: simplified construction and low cost of manufacture of device. 2 cl, 4 dwg