Crushed
Crushing is a chemical production in a unit operation, is a purely mechanical process of operation, for the volume is too large to use solid raw materials or do not meet the requirements of semi-finished products, to be processed to make smaller, this process is called smash, There are two main ways to crush: ▪ Broken, so that large pieces of material simply become small pieces, most of the raw materials need to be broken before the application, but some of the raw materials is the bigger the better, can not be broken, such as the use of blast furnace The larger the block the more easily the ventilation. ▪ Grinding, grinding raw materials into very fine particles, making ceramic kaolin, for the ebullating bed or washing of coal, cement, etc., grinding According to the process requires dry and wet grinding two methods, dry Grinding dust larger, wet grinding is not easy to grinding, take a long time. ...