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    • 2. 发明申请
    • Method and System in a Paper Machine and Software Product
    • 造纸机器和软件产品中的方法和系统
    • US20070267160A1
    • 2007-11-22
    • US11667519
    • 2005-11-11
    • Hans SundqvistPetri Norri
    • Hans SundqvistPetri Norri
    • D21F5/04
    • D21G9/0036D21F5/00D21F5/20Y02P70/24
    • The invention comprises a method and a system in a paper machine, and also a software product, allowing one or more tools to be generated for indicating the state of the paper production process in terms of energy consumption to the operating staff of the paper machine. This allows continual monitoring of the state of the paper production process and/or its energy efficiency combined with efforts to develop the manners of running the paper machine and its dryer section in a more favourable direction. In one embodiment of the invention, the dry solids content DSC of the press section can be calculated by means of the evaporation amount of the dryer section, the production of finished paper and the final paper moisture as follows: DSC=mpap,d/(mpap,d+mH2O), in which mpap,d is the dry mass flow of the paper web to the dryer section and mH2O is the water mass flow to the dryer section. mH2O is obtained by summing up the mass flow of the water discharged from the dryer section and the evaporated water mass flow.
    • 本发明包括造纸机中的方法和系统,以及软件产品,允许生成用于指示造纸机的操作人员的能量消耗的纸张生产过程的状态的一个或多个工具。 这样可以持续监控纸张生产过程的状态和/或其能源效率,并结合努力开发造纸机及其烘干机部分的方式。 在本发明的一个实施方案中,压榨部的干固体含量DSC可以通过干燥部的蒸发量,成品纸的生产和最终的纸张水分计算如下:DSC = m Pap ,其中m Pap,d II是干质量流量,其中,m(n),(d) 到干燥器部分的纸幅和水分子H 2 O是到干燥器部分的水质量流。 通过对从干燥部排出的水的质量流和蒸发的水质量流进行总和来获得。
    • 3. 发明授权
    • Method for separating particles from an air flow
    • 从空气流中分离颗粒的方法
    • US06228148B1
    • 2001-05-08
    • US09314030
    • 1999-05-19
    • Rami AaltonenJuha LeimuPetri Norri
    • Rami AaltonenJuha LeimuPetri Norri
    • B03C378
    • B03C3/15
    • A method and an apparatus for separating solid or drop-like particles from an air flow is provided. The air flows through a separator chamber between an electrode, ion generating means or like particle charging device disposed in the separator chamber, and a grounded collector surface, so that the particles are charged by the charging device and accumulate on the collector surface. The air flows along a substantially spiral path around the charging device in at least a part of the separator chamber so that due to the action of centrifugal force at least a portion of the particles pass toward the grounded collector surface at the periphery of the chamber. A small flow of purified air flows downwardly in a central part of the separator chamber so that it washes the charging device in the separator chamber.
    • 提供了一种从空气流中分离固体或液滴状颗粒的方法和装置。 空气流经设置在分离器室中的电极,离子产生装置或类似颗粒充电装置之间的分离室和接地的集电器表面,使得颗粒被充电装置充电并积聚在集电器表面上。 空气沿着分离器室的至少一部分中的充电装置周围的基本上螺旋状的路径流动,使得由于离心力的作用,颗粒的至少一部分在腔室的周边通向接地收集器表面。 净化空气的小流量在分离器室的中心部分向下流动,使得其在分离器室中洗涤充电装置。
    • 4. 发明申请
    • Method for Reducing Runnability Problems Caused By Gas Flows in an Impingement Dryer for a Fibre Web and an Impingement Dryer
    • 用于纤维网和冲击干燥机的冲击干燥器中的气流引起的运行性问题的方法
    • US20110056088A1
    • 2011-03-10
    • US12989004
    • 2009-04-20
    • Petri NorriHans Sundqvist
    • Petri NorriHans Sundqvist
    • F26B25/06
    • D21F5/18D21F5/04
    • The invention relates to an impingement dryer and a method for reducing runnability problems caused by gas flows in an impingement dryer for a fibre web, which impingement dryer has gas blowing opening and gas exhaust openings. The fibre web to be dried is supported with a support fabric. The support fabric and the fibre web to be dried are moved in the machine direction inside the impingement dryer past the blowing openings and exhaust openings. At the same time hot gas is blown from the blowing openings toward the fibre web to be dried and gas is removed from the vicinity of the fibre web to the exhaust openings. At least one edge control strip is moved in the machine direction edges of the impingement dryer in front of the blowing openings or the exhaust openings or both. With its aid a desired number of blowing openings or exhaust openings or both are covered and thus their effect is controlled.
    • 本发明涉及一种冲击干燥器和一种用于降低纤维网冲击干燥器中的气流引起的运行性问题的方法,该冲击干燥器具有气体吹入口和排气口。 待干燥的纤维网被支撑织物支撑。 待干燥的支撑织物和纤维网沿冲击干燥器内的机器方向移动经过吹风口和排气口。 同时,将热气从吹风口吹向要干燥的纤维网,并将气体从纤维网附近排出到排气口。 至少一个边缘控制带在吹风口或排气口前面的冲击干燥器的机器方向边缘上移动或者两者。 通过其辅助,覆盖了所需数量的吹风口或排气口或两者,从而控制其效果。
    • 5. 发明授权
    • Method and system in a paper machine and software product
    • 造纸机和软件产品中的方法和系统
    • US07811414B2
    • 2010-10-12
    • US11667519
    • 2005-11-11
    • Hans SundqvistPetri Norri
    • Hans SundqvistPetri Norri
    • D21F13/00
    • D21G9/0036D21F5/00D21F5/20Y02P70/24
    • The invention comprises a method and a system in a paper machine, and also a software product, allowing one or more tools to be generated for indicating the state of the paper production process in terms of energy consumption to the operating staff of the paper machine. This allows continual monitoring of the state of the paper production process and/or its energy efficiency combined with efforts to develop the manners of running the paper machine and its dryer section in a more favourable direction. In one embodiment of the invention, the dry solids content DSC of the press section can be calculated by means of the evaporation amount of the dryer section, the production of finished paper and the final paper moisture as follows: DSC=mpap,d/(mpap,d+mH2O), in which mpap,d is the dry mass flow of the paper web to the dryer section and mH2O is the water mass flow to the dryer section. mH2O is obtained by summing up the mass flow of the water discharged from the dryer section and the evaporated water mass flow.
    • 本发明包括造纸机中的方法和系统,以及软件产品,允许生成用于指示造纸机的操作人员的能量消耗的纸张生产过程的状态的一个或多个工具。 这样可以持续监控纸张生产过程的状态和/或其能源效率,并结合努力开发造纸机及其烘干机部分的方式。 在本发明的一个实施方案中,压榨部的干固体含量DSC可以通过干燥部的蒸发量,成品纸的生产和最终的纸张水分计算如下:DSC = mpap,d /( mpap,d + mH2O),其中mpap,d是纸幅到干燥器部分的干质量流量,mH 2 O是到干燥器部分的水质量流量。 通过总结从干燥部排出的水的质量流和蒸发的水质量流量来获得mH2O。
    • 6. 发明授权
    • Method and apparatus for arranging exhaust air and supply air in a drying section
    • 用于排出空气并在干燥部分中供应空气的方法和装置
    • US06732453B2
    • 2004-05-11
    • US10204384
    • 2002-08-20
    • Petri Norri
    • Petri Norri
    • F26B300
    • D21F5/02D21F5/00Y02P70/24Y02P80/152
    • A method and an apparatus for arranging exhaust air and supply air in a drying section covered with a hood (14) in a paper machine, having drying cylinders (10) or the like and devices operating by negative and positive pressure. The exhaust air from the devices operating by negative pressure, such as suction rolls (20) and suction boxes is supplied out from the drying section via a first heat recovery tower (22). Substitute air is supplied via this first heat recovery tower to the runnability components (38) operating by positive pressure in the drying section. Substitute air can be additionally supplied via a second separate heat recovery tower (22′) to devices (40, 42) supplying heating air and/or ventilation air. The main portion of the exhaust air from the air space of the hood is supplied via this second heat recovery tower and out from the drying section.
    • 一种用于在造纸机中覆盖有罩(14)的干燥部分中排放空气并供应空气的方法和装置,其具有干燥缸(10)等以及通过负压和正压工作的装置。 通过第一热回收塔(22)从干燥部供给来自负压操作的装置(例如吸辊20和抽吸箱)的废气。 替代空气通过该第一热回收塔供应到在干燥部中通过正压操作的运行性部件(38)。 替代空气可以经由第二分离的热回收塔(22')另外供应到供应加热空气和/或通风空气的装置(40,42)。 来自发动机罩的空气空间的废气的主要部分经由该第二热回收塔供应并从干燥部分出来。
    • 7. 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。