The vertical hammer crusher is used for medium crushing and fine crushing of various hardness and brittle materials like rock, refractory material, cement, quartzite, and concrete aggregates. The content of water in the materials has limit effect on the crushing which can be 8% at most. The final products show uniform cubic shape with low content of needle shape. The working noise of the crushing equipment can be reduced below 75 db due to fine structure. In sum, the vertical hammer crusher is simple, easy to use and maintain, and energy-saving