Papermaking machine pressing portion felt mounting roller less prone to pulp adhesion

• Main Authors: SHEN JIANLIANG, CHEN JIANJUN, WAN JIANZHONG, ZHANG WEILIANG, SHEN JIANSHENG, HU HANZHONG
• Format: Patent
• Language: Chinese; English
• Published: 06.11.2018
• Subjects: METHODS OF PRODUCING PAPER THEREON; PAPER-MAKING; PAPER-MAKING MACHINES; PRODUCTION OF CELLULOSE; TEXTILES

The invention discloses a papermaking machine pressing portion felt mounting roller less prone to pulp adhesion. The roller comprises a vacuum pressing roller, a felt, two fixing plates and lateral nozzles, the fixing plates are parallel, two ends of the vacuum pressing roller are fixed on the fixing plates through bearings respectively, the felt is mounted on the vacuum pressing roller which is hollow inside, a plurality of through holes are formed in the side face of the vacuum pressing roller, a plurality of water absorbing holes are formed in the side walls, corresponding to the edges on two sides of the felt, of the vacuum pressing roller, a water spraying portion is arranged on each of the fixing plates, and a water spraying port of each water spraying portion aligns to the edge of the felt. Through cooperation between the water absorbing holes and the water spraying portions, sticky pulp at the edge of the felt can be cleaned effectively, and the papermaking machine pressing portion felt mounting rolle