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    • 71. 发明授权
    • Production of synthetic rutile by continuous leaching
    • 通过连续浸出生产合成金红石
    • US07998430B2
    • 2011-08-16
    • US12142951
    • 2008-06-20
    • John Winter
    • John Winter
    • B01J8/08
    • C22B3/10C01G23/047C01G23/053C22B1/04C22B3/02C22B34/1209C22B34/1245Y02P10/234
    • A reactor 20 has a plurality of tubular downcomers 32, 34, 36, 38, 40 and risers 42, 44, 46, 48, 50, joined by sections 86, 88 in a continuous serpentine path the tubes dimensioned to provide substantially plug flow conditions for solid and liquid reagents fed into a first downcomer 24 with the products extracted from final riser 52. The reactor 20 is designed for a desired residence time by the number, height and diameter of the tubes. The downcomers 24, 32, 34, 36, 38, 40 may include a bend to improve residence time and to thereby reduce the number of tubes required for a desired overall residence time. The reactor 20 can be used in a leaching operation for producing synthetic rutile, where a pre-treated feedstock including ilmenite, leucoxene or titania slag is leached with hot HCl.
    • 反应器20具有多个管状下导管32,34,36,38,40以及在连续的蛇形路径中由部分86,88连接的立管42,44,46,48,50,所述管的尺寸被设计成提供基本的塞流量条件 用于固体和液体试剂,其进料到具有从最终提升管52中提取的产物的第一降液管24中。反应器20被设计成通过管的数量,高度和直径达到期望的停留时间。 降液管24,32,34,36,38,40可以包括弯曲以改善停留时间,从而减少期望的总停留时间所需的管的数量。 反应器20可以用于生产合成金红石的浸出操作,其中包括钛铁矿,二氧化锡或二氧化钛渣的预处理原料用热的HCl浸出。
    • 72. 发明申请
    • RAMPED STIFFENER AND APPARATUS AND METHOD FOR FORMING THE SAME
    • 变形强化器及其形成装置和方法
    • US20110115115A1
    • 2011-05-19
    • US13003883
    • 2009-07-14
    • Darren John Winter
    • Darren John Winter
    • B29C43/24
    • B64C1/064B29C70/504B29D99/0007B64C3/182B64C2001/0072Y02T50/43
    • A stiffener has an elongate web element and an elongate foot element connected by a curved elbow that has a radius greater over a first portion than over a second portion of the stiffener. The stiffener is formed by feeding an elongate member through a roll forming die having first and second rollers, the first roller having a shaped section arranged to be located within a correspondingly shaped recess in the second roller, the first and second rollers defining a gap there between corresponding to the desired shape to be imparted on the elongate member, the desired shape including a curved elbow between a web and a foot portion, wherein the shapes of the recess and the shaped section vary such that the radius of curvature of the gap between the rollers corresponding to the curved elbow varies between a minimum and a maximum value.
    • 加强件具有细长腹板元件和通过弯曲弯头连接的细长脚元件,该弯曲弯头具有大于第一部分的半径比加强件的第二部分之上的半径。 加强件通过将细长构件通过具有第一和第二辊的辊成型模具进给而形成,第一辊具有设置成位于第二辊中相应形状的凹部内的成形部分,第一和第二辊限定了间隙 在相应于要赋予细长构件的期望形状之间,所需形状包括在腹板和脚部之间的弯曲弯头,其中凹部和成形部分的形状变化,使得凹部和形状部分之间的间隙的曲率半径 对应于弯曲弯头的辊在最小值和最大值之间变化。