
9Dust and Air Mechanics of Bulk Material Transfer
© 2010 Taylor & Francis Group, LLC
Main trends of dust emission control
in transfer of bulk materials
Watering of
transferred
material
Filtering hoods
Filtering dust-
collection bags
Separating dust-
collection bags
Aligning
adapters
Telescopic
chutes
Spiral chutes
Tapered chutes
Bypass pipes
Two-way chutes
Groove seals
Guarded
hoods
Two-chamber
hoods
Bin-type
chutes
Spray
ejectors
Deflector baffles,
pockets and valves
Reduction in
volume of
dust emissions
from the
hood
Compact
stream
formation
Material
flow speed
reduction
Increase in the
chute
aerodynamic
resistance
Arrange-
ment
of air
recycling in
a chute
Hood
pressuri-
zation
Reduction
of the h ...