... line in hi-tech automation, In general, brick making process divides to four processes, A. raw ... material treatment B. brick making,C.dryer for brick, D. firing for brick ... will wear away the machinery parts. B. Brick making 1. Clay Feeding: Feeder adjusts the quantity of ... the material after mixing to the vacuum extrusion brick-making machine, extrude high-density clay bar. 5. ...