Double Disc Refiner Plate for Pulp Line

The refiner plate is the core element of double disc refiner. it is a continuous beating equipment. By exchanging disc refiner plate with different tooth shapes and adjusting the pulping process, it is possible to adapt to the pulping requirements of various pulp materials. In addition, it is also divided into MDF and conical refiner plate, etc.

The Importance of Refiner Plate for Pulp Making Process

After steaming or mechanical grinding, screening, and bleaching, pulp cannot be directly used for papermaking. Due to the lack of necessary flexibility in the fibers in pulp, the bonding force between fibers is not ideal. If it is used to make paper, the paper will be loose, porous, rough on the surface, and have low strength, which cannot meet the requirements for use. The refiner plate of the pulping machine directly exerts shear, crushing, stretching, friction and other forces on the pulp fibers to change the fiber morphology and meet the adaptability of paper making.

Material of Refiner Plate

Due to considerations of wear resistance and economy, multi-element alloy refiner plates and high chromium cast iron material currently dominate due to their excellent wear resistance. Multi element alloy refiner plates with coarse surface particles tend to have better fiber separation and broom effect; Special steel material tend to have a more intense cutting effect on fibers.