... This machine suit for manufacturing various hollow brick with coal slack,shale, fly ash and clay. With resonable design, closed structure, ... 2220JKR35/35D-206000-9000Y6-22Y6-55-7532325000×1550×2050DW series brick machinesModel Capacity (piece per shift)Rotary speed of main ... for the fine crushing of medium hard materials, such as clay, shale, coal slack.Model Capacity, m3/hRoller specifications, ...