Clay fired brick making machine,In the process of brick production line,dry chamberis used to dry wet brick. More information as follows: 4.6m Once Firing Tunnel Kiln Model:144.25*4.6*1.23 Annual Capacity: 30 million pieces 6.9m Once Firing Tunnel Kiln Model:144.25*6.9*1.23 Annual Capacity:45 million pieces 6.9m Twice Firing Tunnel Kiln Model:144.25*6.9*1.62 Annual Capacity:60 million pieces 9.2m Once Firing Tunnel Kiln Model:144.25*9.2*1.23 Annual Capacity:60 million pieces