The low density cleaner uses different ratios of fibers and impurities to separate heavy impurities from the pulp. The low density cleaner can set the slag discharge mode according to the environment of the paper mill, and can be either open or closed.

                                       

The drum screen for coarse screening separates light impurities in the tail slurry at the end of the coarse screening system and can operate continuously and smoothly. The drum screen for coarse screening has a large passing capacity but a small fiber loss rate.

                                       

The grapple has a low failure rate in the papermaking and pulping slag removal system and does not require shutdown for cooling, thus saving working time. The overall structure of the grapple is simple and easy to disassemble, reducing manual maintenance time.

                                       

The internal structure of the kneader has been continuously improved to effectively prevent steam from escaping, ensure the required temperature during dispersion, and reduce the amount of steam used. The kneader saves reduces production costs of paper mills.

                                       

The high density cleaner uses the different specific gravity of fibers and impurities to separate impurities. The cone design ensures that the centrifugal force is strengthened, which improves the purification efficiency of the paper pulp and reduces the loss of fibers.

                                       

The double disc refiner is designed in a way that reduces wear on the edges of the grinding discs during the refining process and therefore increases the service life of the grinding discs. In addition, the disassembly device of the double disc refiner is efficient and simple.