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    • 1. 发明申请
    • Method and Apparatus for Drying a Moving Web of Material at a Paper or Board Machine
    • 用于在纸或纸板机器上干燥移动的材料网的方法和装置
    • US20090133282A1
    • 2009-05-28
    • US11988553
    • 2006-07-20
    • Jari RasanenSeppo Karine
    • Jari RasanenSeppo Karine
    • F26B3/00F26B11/02
    • D21F5/024D21F5/028D21F5/06F26B13/008F26B13/183
    • The invention relates to a method and an apparatus for drying a moving web of material at a paper or board machine. The drying is performed by a heated drying cylinder (1) transverse to the direction of travel of the web, past which the web is being led. According to the invention, the drying cylinder (1) has been constructed so that its temperature can be adjusted independently at different locations in the longitudinal direction of the cylinder, i.e. the transverse direction of the web. With the adjustability of the drying cylinder it is possible to eliminate moisture differences occurring in the transverse direction of the web in connection with the drying. Especially, it is possible to eliminate moisture lines in the longitudinal direction of the web, which are generated when forming the web on the wire. The drying can be done by independently adjustable resistance wires (12) arranged at different locations of the cylinder, by heating vapour supplied independently to different zones of the cylinder, or by using both drying methods simultaneously in the same drying cylinder.
    • 本发明涉及一种用于在纸或纸板机上干燥材料的移动幅材的方法和装置。 干燥通过横向于幅材行进方向的加热的干燥筒(1)进行,通过该纸幅被引导。 根据本发明,干燥筒(1)已经被构造成使得其温度可以在圆筒的纵向方向(即幅材的横向)上的不同位置处独立地调节。 利用干燥筒的可调性,可以消除与干燥相关的幅材在横向方向上发生的水分差异。 特别地,可以消除在网上形成网状物时产生的幅材纵向上的湿气线。 干燥可以通过独立调节的电阻丝(12)来完成,该电阻丝布置在圆筒的不同位置,通过加热独立于汽缸的不同区域提供的蒸气,或者通过同时使用两种干燥方法在相同的干燥筒中进行。
    • 6. 发明授权
    • Method and device for supplying steam to the drying section in a papermaking machine
    • 在造纸机中向干燥部供给蒸汽的方法和装置
    • US06782638B1
    • 2004-08-31
    • US10110076
    • 2002-05-14
    • Torsten Svenland
    • Torsten Svenland
    • F26B504
    • D21F5/028D21F5/06
    • A method for increasing the drying capacity of a steam group (6) in a drying section of a pulp or paper machine. According to the method, a main steam flow (3) having a first steam pressure is fed to the steam group (6), the main steam flow (3) is conducted to at least one thermocompressor (9), which is driven by motive steam (4) having a second steam pressure, which is driven by motive steam (4) having a second steam pressure, which is higher than the first steam pressure, and the output steam (13) of said at least one thermocompressor (9) is fed to the steam group (6), the steam pressure of the steam that is fed to the steam group (6) being higher than the first steam pressure.
    • 一种用于提高纸浆或造纸机的干燥部分中的蒸汽组(6)的干燥能力的方法。 根据该方法,具有第一蒸汽压力的主蒸汽流(3)被供给到蒸汽组(6),主蒸汽流(3)被传导到至少一个由动力驱动的热压机(9) 具有第二蒸汽压力的蒸汽(4),其由具有高于第一蒸汽压力的第二蒸汽压力的动力蒸汽(4)驱动,并且所述至少一个热压缩机(9)的输出蒸汽(13) 进料到蒸汽组(6)中,供给到蒸汽组(6)的蒸汽的蒸汽压力高于第一蒸汽压力。
    • 8. 发明授权
    • Method and apparatus for controlling the temperature in a paper machine
    • 用于控制造纸机温度的方法和装置
    • US6138380A
    • 2000-10-31
    • US282176
    • 1999-03-31
    • Jarkko VeijolaHans SundqvistJarkko NurmiPetri Norri
    • Jarkko VeijolaHans SundqvistJarkko NurmiPetri Norri
    • D21F5/04D21F5/06D21F5/18F26B13/00F26B3/00
    • D21F5/044D21F5/06D21F5/18F26B13/008
    • A method and device effect controlled uniform temperature drying of a wet web, such as a paper web substantially immediately after formation in a paper machine, without damaging the supporting fabric carrying the web. The web has a central region and first and second border regions. The wet web to be dried is conveyed on a conventional supporting fabric/wire in a first direction generally parallel to the web border regions, and in a hood drying air is blown against the web from the opposite side thereof as the supporting fabric so that the drying air picks up moisture and becomes moistened air. The moistened air is discharged from the volume adjacent the hood, for example is discharged from at least one hood positioned at and encompassing an impingement surface over which the web and supporting fabric pass. Air supplied for blowing against the web is heated to raise its ability to retain moisture. Drying air with a first temperature and first velocity is directed against a central region of the web, and drying air with a second temperature, lower than the first temperature, and second velocity, higher than the first velocity, is directed against the web in the border regions. The hood may be divided into at least one central block and first and second border blocks, corresponding to the central region and first and second border regions of the web. A first plurality of air nozzles may be disposed within the hood central block, and second and third plurality of air nozzles disposed in the hood first and second border blocks, with a different fan and heater supplying air to each of the plurality of air nozzles.
    • 方法和装置效果控制湿纸幅(例如纸幅基本上立即在造纸机中形成之后)的均匀温度干燥,而不损坏承载纸幅的支撑织物。 网具有中央区域和第一和第二边界区域。 待干燥的湿纸幅在常规的支撑织物/丝线上沿着大致平行于幅材边缘区域的第一方向输送,并且在发动机罩中,干燥空气从作为支撑织物的相对侧吹向纸幅,使得 干燥空气吸收水分并变成潮湿的空气。 润湿空气从邻近发动机罩的容积排出,例如从定位在并包围卷筒纸和支撑织物通过的冲击表面的至少一个罩排出。 供给用于吹向纸幅的空气被加热以提高其保持水分的能力。 具有第一温度和第一速度的干燥空气被引导到幅材的中心区域,并且具有低于第一温度的第二温度的干燥空气和高于第一温度的第二速度在第一温度下被引导到幅材 边境地区。 罩可以分为至少一个中央块和对应于幅材的中心区域和第一和第二边界区域的第一和第二边界块。 第一多个空气喷嘴可以设置在发动机罩中央块内,第二和第三多个空气喷嘴设置在罩中的第一和第二边界块中,不同的风扇和加热器向多个空气喷嘴中的每一个供应空气。
    • 9. 发明授权
    • Drying cylinder for a web material machine, particularly a paper machine
    • 用于卷材机的干燥筒,特别是造纸机
    • US4627176A
    • 1986-12-09
    • US752197
    • 1985-06-24
    • Francois Brieu
    • Francois Brieu
    • D21F5/02D21F5/06D21F7/00F26B13/18
    • D21F5/022D21F5/021D21F5/06D21F7/003F26B13/183
    • The outer side surface of the drying cylinder (1) is delimited by a plurality of coaxial rims (2) having the same radius, arranged side by side and separated two by two by an axial space (7), and made of a good heat-conducting material. Each rim (2) is heated and cooled independently from the others by a heating member (8) and a cooling member (11) housed into a subrim (3) surrounding by the rim (2). The heating is provided for example by an electric resistance and the cooling by circulation of cold water, the control being provided by means of remote controlled relays (10). Each rim (2) is rotationally integral with a hub (5) wedged to a drive shaft (6). A comb (26) having teeth (27) engaged into the spaces (7) avoids the winding of material around the cylinder (1) which is in depression conditions in order to favor the heat exchanges by suction of the material against the cylinder (1). Applications to the equipment of dry ends and post dry ends of paper-, cardboard- or other web material machines.
    • PCT No.PCT / FR84 / 00242 Sec。 371日期:1985年6月24日 102(e)日期1985年6月24日PCT提交1984年10月24日PCT公布。 出版物WO85 / 01969 日期:1985年5月9日。干燥筒(1)的外侧表面由具有相同半径的多个同轴边缘(2)限定,并排设置并且由轴向空间(7)分离两个。 并由良好的导热材料制成。 每个边缘(2)通过加热构件(8)和容纳在由边缘(2)围绕的子框架(3)中的冷却构件(11)而独立于其它边缘被加热和冷却。 加热例如通过电阻提供,并且通过冷水的循环进行冷却,该控制通过远程控制的继电器(10)提供。 每个轮辋(2)与楔合到驱动轴(6)的轮毂(5)旋转地成一体。 具有啮合到空间(7)中的齿(27)的梳子(26)避免了围绕处于凹陷状态的气缸(1)周围的材料的卷绕,以有利于通过将材料吸入气缸(1)而进行的热交换 )。 适用于纸张,纸板或其他纸幅材料机器的干燥端和干燥端的设备。