| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening plate method of a filter press after a dehydration process, which can easily release engagement between a stopper fastening filter plates and a rail.SOLUTION: In an opening plate method of a filter press, a stopper 5 at an end part of filter plates 4 is moved to the filter plate side and the filter plates slidably arranged in parallel are closed, the stopper is engaged with a rail 3, a fastening device 11 is extended to press a movable head 6 disposed between the filter plates and the stopper for retightening, and an undiluted solution is pressed in therebetween. Thereafter, the fastening device is contracted so that the movable head is moved to the opened plate side, the stopper is moved to the closed plate side by a driving chain, and a lock 15 is received while the stopper and the rail are separated. Therefore, the engagement are easily released without damaging the engagement devices. |
