The roller crusher adopts smooth or toothed iron roller to rotate in the same and different speed. Under the effect of extrusion
and friction, the malt is crushed by the roller and the endosperm is rolled out from the wheat skin. The grinding process can be
one time or many times. According to the number of rollers, the roller crusher can be divided into: counter roll, four roll, five
roll, six roll crusher, etc., among which the counter roll crusher is commonly used in the fine brewing beer equipment. Because of
its convenient adjustment, easy control of grinding thickness, high production efficiency, small noise, easy control of dust and
many other advantages, it has been widely used in fine brewing More than 87% of the market share is occupied by breweries.