Steam evacuation in a pulp or fiber refiner

    公开(公告)号:US11440017B2

    公开(公告)日:2022-09-13

    申请号:US16489865

    申请日:2018-02-08

    申请人: Valmet AB

    发明人: Karl Lönngren

    摘要: A refining disc (6) in a defibrator (1) for refining fibrous material is provided with non-central openings (11) for allowing steam developed in the refining space (2) during refining to flow from the front side to the backside of the refining disc (6), where the front side is facing a second refining disc (5) and the backside is facing away from the second refining disc (5). The refining disc (6) also comprises a central hole (12) for allowing steam (8b) to flow from the backside to the front side at the rotational center of the refining disc (6), and escape from the defibrator (1) backwards through the feed screw (3a) without passing through the fibrous material (7) being refined in the refining space (2).

    Device and method for ore-crushing with recycling

    公开(公告)号:US10556237B2

    公开(公告)日:2020-02-11

    申请号:US14782360

    申请日:2014-04-07

    发明人: Parviz Gharagozlu

    摘要: The invention regards to a device for comminuting ore and/or slag, which comprises an ore feed unit for feeding ore to be comminuted to a first comminuting means. The first comminuting means being composed of at least two comminuting elements that can be moved relative to each other, which elements form at least one comminuting space for the ore to be comminuted with each other such that, by a relative movement in the form of a rotation around the rotational axis of at least one of the two comminuting elements. The ore to be comminuted is pulverised in that one or more accelerating elements, in particular protrusions, are provided on at least one of the comminuting elements. The accelerating elements being arranged in particular on the end face of one of the two comminuting elements and accelerating and comminuting the ore to be comminuted by the rotation of one of the two comminuting elements. Between the two comminuting elements and/or in at least one of the two comminuting elements, an intermediate space is provided through which during the rotation the pulverised ore can be conveyed away outwards from the centre of the rotation and from the two comminuting elements. An outlet unit for outletting ore comminuted by the first comminuting means is provided which is connected to the intermediate space. The outlet unit is connected with a separating means, by means of which the comminuted ore is separated into two portions. A first portion of the comminuted ore comprises a particle size, which is essentially larger as a predefined particle size of a second portion of comminuted ore. The first portion of the comminuted ore is guided to the first comminuting means or to a second comminuting means and the second portion of the comminuted ore is guided to a floation means.

    Refiner
    3.
    发明授权
    Refiner 有权

    公开(公告)号:US10400393B2

    公开(公告)日:2019-09-03

    申请号:US15117576

    申请日:2014-12-23

    申请人: Valmet AB

    发明人: Anders Hawén

    摘要: A refiner is disclosed comprising relatively rotatable inner and outer conical refining blades. The refining blades are coaxially arranged around a symmetry axis and are provided with first bars and second bars, respectively, for the grinding of fibrous material. The inner conical refining blade or any of the first bars of the inner conical refining blade extend further along the symmetry axis, in the direction of the tapering of the inner and outer conical refining blades, than the outer conical refining blade or any of the second bars of the counter conical refining blade.

    DEVICE FOR GRINDING COFFEE BEANS
    4.
    发明申请

    公开(公告)号:US20170354296A1

    公开(公告)日:2017-12-14

    申请号:US15547313

    申请日:2016-01-27

    摘要: A device for grinding coffee beans includes a body provided with a vertical hopper for the entry of the coffee beans and a separate vertical outlet for the ground coffee, which are mutually connected by way of a horizontal seat within which a shaft is associated axially and rotatably. A first grinder is keyed to the shaft and interacts with a facing second grinder. These grinders cooperate with elements adapted to allow a first, micro-adjustment and a second, macro-adjustment of the grinding as a function of the type of coffee beans selected.

    Submicron grinding mill
    5.
    发明授权

    公开(公告)号:US09718064B1

    公开(公告)日:2017-08-01

    申请号:US14886371

    申请日:2015-10-19

    申请人: Bill H. Ranne

    发明人: Bill H. Ranne

    摘要: A vertical and horizontal mills and discs therefor for grinding particles to submicron size. The mills include two overlapping vertical barrels. Each barrel has a shaft and a plurality of circular discs attached to the shaft disposed in each barrel for grinding materials to submicron size. The discs have an open mesh design provided by overlapping rectangular blades. Each blade has at least two opposing walls orthogonal to a plane defined by the disc. Each disc on one shaft overlaps a disc on the other shaft by from 30 to 45% of the diameter of the discs. An inlet is provided for feeding material to be ground by the mill to the overlapped portion of the discs. An outlet is disposed at an end of the mill opposite the inlet for removing ground material from the mill.

    Cover device for a shredding plant
    7.
    发明授权
    Cover device for a shredding plant 有权
    粉碎厂的盖装置

    公开(公告)号:US08579221B2

    公开(公告)日:2013-11-12

    申请号:US13001225

    申请日:2009-06-24

    IPC分类号: B02C7/06

    CPC分类号: B02C13/282 B02C19/0062

    摘要: A cover device for a shredding plant, able to cover at least a shredder unit which includes a rotary drum rotatable around its own axis of rotation within a shredding chamber. The cover device includes a plurality of separation means to separate and discharge the materials arriving from shredding. The cover device includes a first element which is pivotable to the frame of the shredding plant, a second element which is pivotable to the first element, and a third element which is pivotable to the first element.

    摘要翻译: 一种用于粉碎设备的盖装置,其能够至少覆盖一个切碎机单元,该切碎机单元包括可在切碎室内围绕其自身旋转轴线旋转的旋转滚筒。 盖装置包括多个分离装置,用于分离和排出从粉碎到达的材料。 所述盖装置包括能够枢转到所述粉碎设备的框架的第一元件,可枢转到所述第一元件的第二元件和可枢转到所述第一元件的第三元件。

    Refiner
    8.
    发明授权
    Refiner 有权
    精炼机

    公开(公告)号:US07913942B2

    公开(公告)日:2011-03-29

    申请号:US12162419

    申请日:2007-01-29

    申请人: Petteri Vuorio

    发明人: Petteri Vuorio

    IPC分类号: B02C7/06 B02C13/20

    CPC分类号: D21D1/306 B02C7/12

    摘要: A refiner (1) comprising a stator (2) and a rotor (6) that comprise a planar portion and a conical portion after the planar portion, which in turn comprise refining surfaces (4, 8) provided with blade bars (15, 18, 24) and blade grooves (16, 19, 25) therebetween, and the planar portions (4′, 81) of the refining surfaces (4, 8) of the stator (2) and the rotor (6) comprising at least two refining zones (14, 17, 23) in the direction of the radius (R) of the planar portion. At least the planar portion (8′) of the refining surface (8) of the rotor (6) is provided with blade bars (18) in its outermost refining zone (17) in the direction of the radius (R), the blade bar angle (α) of the blade bars being arranged so as to provide pumping blade bars, and their blade bar angle (α) being greater than the blade bar angle (α) of the blade bars (15, 24) in the previous refining zone (14, 24) in the direction of the radius (R) of the planar portion (8′) and that the blade bar angle (α) is 5-50 degrees so that the blade bars (18) in the outermost refining zone (17) have an overall pumping effect on the material to be refined.

    摘要翻译: 一种包括定子(2)和转子(6)的精磨机(1),其包括在所述平面部分之后的平坦部分和锥形部分,所述平面部分又包括设置有刀杆(15,18)的精磨表面(4,8) ,24)和其间的叶片槽(16,19,25),并且定子(2)和转子(6)的精磨表面(4,8)的平面部分(4',81)包括至少两个 在平面部分的半径(R)的方向上的精炼区(14,17,23)。 至少转子(6)的精磨表面(8)的平面部分(8')在其最外精炼区(17)中沿半径(R)的方向设置有刮刀杆(18),刀片 叶片杆的杆角(α)被布置成提供泵送杆,并且它们的叶片杆角(α)大于先前精炼中叶片杆(15,24)的叶片杆角(α) 区域(14,24)在平面部分(8')的半径(R)的方向上,并且叶片角度角(α)为5-50度,使得最外层精炼区域中的叶片杆(18) (17)对待精炼的材料具有总体泵送效应。

    Powder Based Granules Disintegrating and Sizing Device, and Powder Based Granules Disintegrating and Sizing Method
    9.
    发明申请
    Powder Based Granules Disintegrating and Sizing Device, and Powder Based Granules Disintegrating and Sizing Method 有权
    粉末颗粒分解和定型装置,粉末颗粒分解和定型方法

    公开(公告)号:US20090108112A1

    公开(公告)日:2009-04-30

    申请号:US12085036

    申请日:2006-12-12

    摘要: A powder based granules disintegrating and sizing device, includes: a drive shaft that is inserted horizontally in the casing main body; a plurality of circular plates that are fixedly supported at intervals by the drive shaft; and a stator, the plate surface of the circular plate and the inclined surface of the stator configuring a gap portion A where a powder based granules accumulates, and a narrowest gap portion between the circumferential edge of the circular plate and the stator configuring a disintegrating and sizing portion B. The stator stretches over the entire circumference of the circular plate, a raw material feeding port is provided on a side wall in the vicinity of the drive shaft of the casing main body, and a cutout portion through which a raw material passes is formed on the plate surface of the circular plate.

    摘要翻译: 一种粉末状颗粒崩解和定型装置,包括:水平插入壳体主体中的驱动轴; 由驱动轴间隔固定地支撑的多个圆板; 定子,圆板的板表面和定子的倾斜表面构成粉末颗粒积聚的间隙部分A,圆板的圆周边缘和定子之间的最窄间隙部分构成分解和 定子在圆板的整个圆周上延伸,原料供给口设置在壳体主体的驱动轴附近的侧壁和原料通过的切口部分 形成在圆板的板表面上。

    Refining element
    10.
    发明授权
    Refining element 有权
    精炼元素

    公开(公告)号:US07451946B2

    公开(公告)日:2008-11-18

    申请号:US10541478

    申请日:2003-12-11

    申请人: Nils Virving

    发明人: Nils Virving

    IPC分类号: B02C7/04 B02C7/06 B02C13/20

    摘要: Refining elements for use in a refining apparatus for refining lignocellulosic fibrous material between a pair of refining members are disclosed. The refining element is adapted to be mounted on the inwardly facing conical surface of an outer stationary refining member and includes a plurality of bars and intermediate grooves in which the bars extend along the refining gap and include a pair of side walls and an upper surface forming an acute angle with a least one of the pair of side walls.

    摘要翻译: 公开了用于在一对精炼构件之间精炼木质纤维素纤维材料的精炼装置中的精炼元件。 精炼元件适于安装在外部固定的精炼构件的向内的锥形表面上,并且包括多个杆和中间槽,杆中的杆沿着精磨间隙延伸并且包括一对侧壁和上表面成形 与一对侧壁中的至少一个成锐角。