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    • 5. 发明申请
    • METHOD, PAPER MACHINE AND BASE PAPER FOR THE MANUFACTURE OF LWC PRINTING PAPER COATED ONCE
    • LWC印刷纸包装制造方法,纸机和基纸
    • WO2002103109A1
    • 2002-12-27
    • PCT/FI2002/000528
    • 2002-06-17
    • METSO PAPER, INC.KORHONEN, HannuGRÖN, JohanTODOROVIC, AleksandarLIIMATAINEN, Heikki
    • KORHONEN, HannuGRÖN, JohanTODOROVIC, AleksandarLIIMATAINEN, Heikki
    • D21F9/00
    • D21F3/045D21F9/003D21G1/00D21G1/006D21H25/14
    • A method, a paper machine and a base paper for the manufacture ofLWC printing paper which is coated once. The paper machine comprises a headbox (100), a gap former (200), a press section (300) which comprises at least one extended nip press, a pre-dryer section (400) in which a web (W) is dried applying at least cylinder drying (R1-R7), a pre-calender (500) in which the web (W) is pre-calendered, at least one portion which is formed of a coating station (600) and an after-dryer section (700) and in which the web (W) is coated on both sides applying a film coating method or a non-contact coating method and dried applying at least contact-free drying (710), an end calender (800) in which the web (W) is calendered, and a reel-up (900) in which the web (W) is reeled. The pre-calender (500) is a calender which is provided with at least one nip (NEl, NE2) and in which both surfaces of the web are in contact with a calendering backup surface having a surface temperature of at least 200 °C, advantageously at least 250 °C, the total length of the nip or nips of the pre-calender is in a range of 15-600 mm, advantageously in a range of 30-600 mm, the linear load of each nip is in a range of 50-500 kN/m, advantageously in a range of 100-400 kN/m, and the moisture content of the web before the first nip of the pre-calender (500) is in a range of 5-20 %, advantageously in a range of 6-15 %.
    • 一种用于制造涂布一次的LWC印刷纸的方法,造纸机和原纸。 造纸机包括流浆箱(100),间隙成形器(200),压榨部分(300),其包括至少一个延伸的压榨压榨机,预干燥器部分(400),其中干燥(W) 至少汽缸干燥(R1-R7),预压光机(500),其中所述幅材(W)被预压光,至少一部分由涂布台(600)和后烘机部分 700),并且其中使用薄膜包衣方法或非接触涂布方法在两侧涂布网(W),并干燥至少施加无接触干燥(710),末端压延机(800),其中网 (W)被压延,并且其中卷绕有卷筒纸(W)的卷取机(900)。 预压光机(500)是具有至少一个压区(NE1,NE2)的压延机,并且其中两个表面与表面温度至少为200℃的压延支撑表面接触, 有利地为至少250℃,预压光机的辊隙或辊隙的总长度在15-600mm的范围内,有利地在30-600mm的范围内,每个辊隙的线性负载在一定范围内 50-500kN / m,有利地在100-400kN / m的范围内,并且在预压光机(500)的第一压区之前的幅材的水分含量在5-20%的范围内,有利地 在6-15%的范围内。
    • 10. 发明申请
    • METHOD AND ARRANGEMENT FOR MANUFACTURING COATED AND GLAZED PAPER OR BOARD
    • 制造涂层和玻璃纸或纸板的方法和布置
    • WO2001075229A1
    • 2001-10-11
    • PCT/FI2001/000301
    • 2001-03-28
    • METSO PAPER, INC.NISSINEN, VilhoRETULAINEN, EliasGRÖN, Johan
    • NISSINEN, VilhoRETULAINEN, EliasGRÖN, Johan
    • D21H25/08F26B3/20F26B13/10
    • D21H25/08F26B3/20F26B13/105
    • A method and an assembly is disclosed for manufacturing a web of glazed paper or board so as to produce with a web surface treated with a treatment agent, the method comprising the steps of first producing a base web (10), whereupon in an applicator apparatus to the surface of the web is applied in at least one step at least one kind of a treatment agent. Subsequent to the application of the treatment agent, the web (10) is passed via a dryer. The solids content of the treatment agent to be applied the surface of the web (10) in an applicator apparatus is not less than 80 %, and after the application of the treatment agent, the web (10) is passed via a belt dryer comprising at least one heatable belt (2) in such a manner that the heatable belt comes to face the treated surface of the web (10). Advantageously, the web has a high moisture content prior to the application of the treatment agent.
    • 公开了一种制造釉面纸或纸板的方法和组件,以便生产具有用处理剂处理的幅材表面的方法,所述方法包括以下步骤:首先生产基底纤维网(10),随后在涂布器装置 在至少一个步骤中至少一种处理剂施用到幅材表面。 在施用处理剂之后,将幅材(10)通过干燥器通过。 在涂布装置中施加在幅材(10)表面上的处理剂的固体含量不小于80%,并且在施加处理剂之后,幅材(10)通过带式干燥机通过,所述带式干燥机包括 至少一个可加热带(2),使得所述可加热带面对所述幅材(10)的经处理的表面。 有利地,幅材在施加处理剂之前具有高水分含量。