Hollow Bricks from Coal Gangue, Shale, Fly Ash and Similar Materials


Chinese company offers technology for manufacturing of hollow bricks from coal gangue, shale, fly ash and other low plastic index materials. The brick shaping process is using a half-hard and half-pressure extrusion technology.


Construction industry

Advantages: Utilisation of various industrial wastes The shaft of the mixer has a protective structure; the claws are fixed on the hoop rapped shaft. It is not necessary to drill holes on the shaft or to break the shaft. The centre of the screw shaft is automatically regulated preventing the head movement. This technology is unique in China. Durable clay jar and tie, can be used for more one year Hard-soft teeth gear is lubricated by pump, it runs smoothly, has high transfer power and low noise The piston clutch supplies automatically and requires no repair Robust structure Low round speed prevent clay jar overheating

Environmental Aspects:

waste utilisation

Development Status:


For further information please contact :

Asian and Pacific Centre for Transfer of Technology
APCTT Building
C-2 Qutab Institutional Area
P.O.Box - 4575
New Delhi - 110 016
Tel : 91-11-26966509
Fax : 91-11-26856274