| 摘要 |
FIELD: mechanical engineering. SUBSTANCE: rotary tube furnace has lateral surface which is provided with refractory lining and gas feed nozzles connected to at least one gas source. Lateral surface is provided with disk secured on outer circle which is concentric to axis of revolving tube. Disk is provided with inner channels. On its outer surface disk is embraced with U-shaped concentric chute forming circular channel connected with inner channels. Gas feed nozzles are mounted in lateral surface and are connected with inner channels; chute is connected to gas source. EFFECT: enhanced efficiency. |
