CHEMICAL WASHING METHOD

摘要

PURPOSE:To decrease the amt. of corrosion in a short period of time so as efficiently execute washing with a smaller washing liquid and decrease the volume of washing water for the purpose of water washing after washing by highly concentrating the solid in a washing liquid and discharging this liquid, then circulating the washing liquid contg. the less solids, thereby making it possible to continue the washing. CONSTITUTION:The circulating washing liquid is magnetized to flocculate the solids by a magnetizing device 4 installed in mid-way of the circulating path S for the washing liquid in the method for chemically washing the wash 1 while circulating the washing liquid to the wash. This washing liquid is then introduced to a centrifugal separating machine 5 and is subjected to a sepn. of solid from the liquid. The solids are discharged outside the system and the clean liquid is returned to the circulating path 2 and is used for chemical washing.