In the process of installing the frame of vertical roller mill, roller and idler, the following conditions should also be met:
(1) All rollers should be kept parallel and arranged in rows;
(2) All idlers should also be kept in a horizontal parallel state and arranged in rows with each other;
(3) After the preparatory work of the current period is completed, the rack can be installed on the floor or foundation. After the vertical roller mill is fixed, the feeding device and discharging device can be installed;
(4) All supporting structure frames shall be kept horizontally parallel and in a straight line, so the horizontal position and central position of the conveyor shall be corrected immediately after the installation of driving roller and idler frame.