The ZSM series coarse refiner is a great choice for the coarse grinding of pulp raw materials and re-pulping of broke and waste paper. This paper mill equipment is also suitable for the refining of continuous fiber pulps such as cotton pulp, wood pulp and helm pulp.Capacity: 10-30 T/D Features of the Coarse Refiner 1. The pulp equipment comes with a long refining zone and strong cutting capacity for fiber. 2. It ensures less damage to the fiber capillary, and a homogenous refining result. The materials will be ground roughly before entering the defibering zone, thus ensuring the paper has a high fracture length, tearing strength, and breaking strength. 3. The conical refiner features a low energy consumption, high production capacity high efficiency, low noise and easy maintenance. 4. It is equipped with both manual and electric operating devices.