Ring hammer crusher has simple structure, big crushing ratio, high efficiency production .It used to both dry and wet crushing. This machine is suitable for the mining, cement, coal, metallurgy, building material, highway, burning and other industries . It is most suitable for crushing brittle materials such as coal, coke and slag. red sandstone, shale, loose limestone, etc. The compressive strength of the material is no more than 100Mpa, and the surface moisture is not greater than 15%. according to the requirement of the user,adjusting the spacing of Article gas to meet the different needs of different users.