The equipment adopts the domestic hardest material 50 silicon manganese or bearing steel as raw material, and is forged by the latest quenching process, so that the material hardness of the grinding roller grinding ring reaches 8 or more. The whole equipment adopts patented technology negative pressure system, and the patented design is offline. The pulse dust collector greatly reduces the dust pollution during the milling process and is equipped with professional noise elimination equipment. The equipment circuit control integrates with Siemens' new PLC control. Fully automated.