The knife-type crusher is mainly used in plastic recovery system or metal and non-metal separation production line, such as PET plastic bottle recycling granulation line, Scrap cable recycling line, aluminum plastic recycling line, etc.
So crusher is more suitable soft materials, and it can be cut into 3mm-30mm particles, so often in the shredder behind the secondary crushing.
The shredder can crush large materials into 20mm-300mm, so in the recovery system, the shredder is used as a primary crushing, and the crusher is used as a secondary crushing, such a combination which can greatly improve the recovery efficiency.
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