Controllable outlet nozzle for dust conveyor - has housing with through passage, part of which is formed as venturi channel contg. regulating cone held in bush which can be longitudinally adjusted

摘要

Controllable outlet nozzle for a pneumatic dust conveyor has a housing (1) with a through passage (8) for the material, part of which is formed as a Venturi channel (10. A regulating cone (13) is mounted coaxially in the channel in a bush (16) that can be longitudinally adjusted. The bush has an external thread (21) which is screwed into the internal thread (22) of an adjusting bush (23) rotatable by a gear arrangement (24, 27). ADVANTAGE - Precise and reliable setting.