Papermaking equipment preparation equipment is the equipment for pretreatment and processing of papermaking raw materials according to the cooking or refining process requirements before cooking or refining. It is divided into non-wood fiber preparation equipment and wood fiber preparation equipment. The former includes grass cutters, reed cutters, and sugarcane pulp removers, while the latter includes peelers and chippers.

　　The chipper is a machine that cuts the logs required for the production of wood pulp into certain specifications. It is divided into two types: disc type and drum type. The digester dissolves the lignin in the papermaking raw material into the cooking liquid to separate the papermaking raw material Fiber equipment is divided into two types: batch and continuous; wood mill is a device for producing wood pulp. According to the production method, it can be divided into batch and continuous. Hydraulic pressure type and mechanical pressure type;