Central Building
Research Institute has designed a chimney for extraction of
smoke from domestic kitchen.
The chimney hood is made in the shape of a quarter of a cone
with 0.65 m radius of the base and 60o apex angle. A 0.21
m dia cylindrical pipe or smooth plastered rectangular masonry
duct is mounted atop the hood. A lid is mounted 0.1 m above
the flue projecting 0.05 m all around. The grating made of
a stretched piece of ordinary fly screen is inserted at the
joint of hood and flue. This design effects smokeless environment
in the kitchen
Areas of Application:
These chimney can be used for a Smoke-free
kitchen in rural areas.
Equipments \ Raw
Materials : GI sheets or masonry work, no other major
machinery is required.
Stage of Development:
Installed in a few houses on experimental basis.
Economic Data:
Rs. 500/chimney.
Transfer Forms:
Supply of system, installation and commissioning, technical
assistance for operations etc.
