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    • 2. 发明授权
    • Method and device for concentrating a suspension
    • 用于浓缩悬浮液的方法和装置
    • US5985159A
    • 1999-11-16
    • US809126
    • 1997-05-12
    • Kent StridRolf OswaldssonLars Horlyk
    • Kent StridRolf OswaldssonLars Horlyk
    • B01D33/06D21D5/02D21F1/66B01D33/04B01D33/052B01D33/073
    • D21F1/66
    • A method for concentrating a suspension comprises the steps of providing a first surface; providing a second surface; introducing a suspension; moving the second surface relative to the first surface; and applying suction to the second surface. The first surface is relatively liquid-tight and includes a feature for increasing friction. The second surface is relatively liquid-pervious, faces the first surface, and is moveable relative to the first surface. Introduction of the suspension between the first and second surfaces forms a suspension web. Moving the second surface relative to the first surface and applying suction through the second surface causes dewatering of the suspension web and increased friction between the suspension web and the second surface. Also, moving the surfaces relative to each other and applying suction through the second surface causes pressing of the first surface towards the suspension web and the second surface to subject the suspension web to shear forces generated by relative movement between the feature for increasing friction and the second surface. This results in the particles of the suspension web being subjected to rolling between the first and second surface.
    • PCT No.PCT / SE95 / 01042 Sec。 371日期:1997年5月12日 102(e)日期1997年5月12日PCT提交1995年9月14日PCT公布。 公开号WO96 / 08600 日期1996年3月21日一种用于浓缩悬浮液的方法包括提供第一表面的步骤; 提供第二表面; 引入暂停; 相对于第一表面移动第二表面; 并且向第二表面施加吸力。 第一表面是相对液密的并且包括增加摩擦力的特征。 第二表面是相对液体可渗透的,面向第一表面,并且可相对于第一表面移动。 引入第一和第二表面之间的悬架形成悬挂网。 相对于第一表面移动第二表面并通过第二表面施加抽吸使得悬挂网的脱水和增加悬挂网与第二表面之间的摩擦。 此外,相对于彼此移动表面并通过第二表面施加抽吸使得第一表面朝向悬挂幅材和第二表面压迫以使悬挂幅材受到由特征之间的相对运动产生的剪切力,以增加摩擦力和 第二面。 这导致悬浮网的颗粒在第一和第二表面之间经受滚动。
    • 4. 发明授权
    • Method and device for filturing of suspensions
    • 用于填充悬挂的方法和装置
    • US5149449A
    • 1992-09-22
    • US689766
    • 1991-05-30
    • Kent StridRolf Oswaldsson
    • Kent StridRolf Oswaldsson
    • B01D29/46B01D29/39B01D29/62B01D29/66B01D35/12B01D36/00
    • B01D36/001B01D29/39B01D35/12
    • In a method for filtering a suspension through a stationary filter having a vertical filter element arranged in a pressure vessel and for re-conditioning the filter after filtering, the filtrate is discharged from the bottom of the filter element during the main part of the filtering. After filtering, unfiltered suspension is discharged in a known manner from the pressure vessel later to be returned to the suspension inlet. Thereafter, back-wash is performed with another medium other than filtrate, an outlet for material deposited on the filter element being opened for removal of said material together with the back-washing medium. Preferably, before back-wash, drying of the material deposited on the filter element takes place by means of a gas medium circulating within the filtering plant.
    • PCT No.PCT / SE90 / 00639 Sec。 371日期1991年5月30日 102(e)日期1991年5月30日PCT 1990年10月4日PCT PCT。 出版物WO91 / 04778 日本1991年4月18日。在通过具有布置在压力容器中的垂直过滤器元件的固定过滤器过滤悬浮液并在过滤之后重新调节过滤器的方法中,滤液从过滤元件的底部排出 主要部分过滤。 过滤后,未过滤的悬浮液以已知的方式从压力容器排出,以返回到悬浮液入口。 此后,用除了滤液之外的另一种介质进行反冲洗,沉积在过滤器元件上的材料出口被打开用于与反洗涤介质一起去除所述材料。 优选地,在回洗之前,沉积在过滤元件上的材料的干燥通过在过滤设备内循环的气体介质进行。