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    • 51. 发明授权
    • Minerals separator
    • 矿物分离器
    • US4964845A
    • 1990-10-23
    • US295346
    • 1989-01-10
    • Richard H. Mozley
    • Richard H. Mozley
    • B03B5/28B03B5/00B03B5/32B04B11/02B04B15/06
    • B03B5/00
    • To separate minerals, they are made up into a slurry A applied to a hollow tapered cylinder 301 spinning on its axis to generate 10 g centrifugal force.The cylinder 301 is also subjected to axial vibration at 5 to 10 Hz. The cylinder widens at a half-angle of 1.degree., and its axis is inclined at 2.degree. upwardly in the direction of widening.A film of slurry is held centrifugally to the internal surface of the cylinder and kept in suspension by the vibration. The denser (i.e. higher specific gravity) particles in the slurry tend to move preferentially radially outwardly (centrifugally) and to move downwardly in the boundary layer (under Earth's gravity). The action of the washing water B is to displace waste accidentally entrained with the higher-specific-gravity-particles.The valuable higher-specific-gravity particles overflow downwardly continuously at C and are collected. The washing water and lower-specific-gravity waste particles overflow upwardly over the top edge of the cylinder at C and are discarded.
    • 53. 发明授权
    • Solid material separator
    • 固体分离器
    • US4784757A
    • 1988-11-15
    • US72650
    • 1987-07-13
    • Edgar E. NelsonLonnie D. McClung
    • Edgar E. NelsonLonnie D. McClung
    • B03B5/62B03B5/00
    • B03B5/623
    • Apparatus for the separation of solid materials of different specific gravities comprising a vertical separator tube having a material inlet port, a light material discharge port located above the inlet port, and a heavy material discharge port located below the inlet port; a holding tank having a top opening for receiving the solid materials to be separated and a bottom opening connected to the inlet port of the separator tube by a feeder tube; a pressurized water source, as by a pump; and a conduit connecting the water source to the separator tube at or below the heavy material discharge port. The holding tank is located at such a height as to allow water coming into the tank from the separator tube to reach a predetermined static level within the tank. The heavy material discharge port is located substantially below the water static level in the tank and adjacent the pressurized water intake so that heavy material may be rapidly removed by water moving at a high velocity.
    • 用于分离不同比重的固体材料的装置,包括具有材料入口的垂直分离管,位于入口上方的轻质材料排出口和位于入口下方的重质材料排出口; 具有用于接收要分离的固体材料的顶部开口的保持槽和通过进料管连接到分离器的入口的底部开口; 加压水源,如泵; 以及将水源连接到重材料排出口处或下方的分离管的导管。 储罐位于如此高的高度,以允许水从分离管进入罐中达到罐内预定的静态水平。 重物料排出口大致低于罐中的水静态水平并且靠近加压水进口,使得重物质可以通过高速移动的水被快速除去。
    • 54. 发明授权
    • Method for making low alpha count lead
    • 制造低α值铅的方法
    • US4770698A
    • 1988-09-13
    • US98853
    • 1987-09-21
    • John A. DunlopRobert W. SmythGerald W. Toop
    • John A. DunlopRobert W. SmythGerald W. Toop
    • B03B5/00B03B9/00C22B13/02C22B15/00
    • B03B9/00C22B13/02
    • Lead with a low alpha particle emission is produced by selecting an orebody wherein lead mineral is present in a coarsely disseminated form and substantially free of impurities. The ore is selected from a host rock that is relatively low in alpha emitters, such as a carbonate rock. The ore is mined and is milled such that the lead mineral can be separated from the host rock and any other minerals. The ground ore may be screened into one or more fractions having a narrow range of particle sizes. Each fraction is formed into a fluid suspension, and each suspension is subjected to gravity separation to remove the host rock and any other minerals which substantially contain the alpha particle-emitting substances, and to recover the lead mineral as a concentrate with a low alpha count. The lead concentrate is subjected to a suitable smelting operation, without the introduction of alpha emitters for the recovery of a low alpha lead. When the lead mineral is galena, the smelting is preferaby carried out with sodium carbonate and an oxygen-bearing gas in the presence of sodium chloride as a fluxing agent to form a low melting point slag. The low alpha lead has an alpha count of about 0.02 alpha particles per cm.sup.2 per hour or less, and the count does not substantially increase with time.
    • 具有低α粒子排放的铅通过选择其中铅矿物以粗分散形式存在且基本上不含杂质的矿体来生产。 矿石选自α发射体相对较低的主岩,如碳酸盐岩。 矿石被开采并被研磨,使得铅矿物可以与主体岩石和任何其它矿物分离。 研磨的矿石可以筛选成具有窄范围粒度的一种或多种级分。 每个馏分形成流体悬浮液,每个悬浮液进行重力分离以除去主体岩石和基本上含有α粒子发射物质的任何其它矿物质,并以低α计数作为浓缩物回收铅矿物质 。 铅精矿经过适当的熔炼操作,而不引入用于回收低α铅的α发射体。 当铅矿物是方铅矿时,在氯化钠作为助熔剂存在下,优选用碳酸钠和含氧气体进行熔炼以形成低熔点渣。 低α铅具有每平方厘米每小时或更少的约0.02个α粒子的α计数,并且计数基本上不随时间增加。
    • 57. 发明授权
    • Process for recovering minerals and metals by oleophilic adhesion
    • 通过亲油粘附回收矿物和金属的方法
    • US4511461A
    • 1985-04-16
    • US511776
    • 1983-07-06
    • Jan Kruyer
    • Jan Kruyer
    • B03B1/04B03B5/00B03B7/00B07B13/00
    • B03B1/04B03B5/00B03B7/00
    • A mixture containing oleophilic surfaced mineral particles and oleophobic gangue particles in an aqueous phase is separated by means of an apertured oleophilic endless sieve supported in a separation zone by a revolving cylindrical cage having apertured sidewalls and supported in a recovery zone by a support roller, each section of sieve surface alternately revolves through the separation zone and recovery zone. The aqueous mixture is introduced as a slurry into the rotating cage. The endless sieve partly covers the outside surface of the cylindrical cage sidewall. An oleophilic adhesive is placed on the sieve as a coating or added to the aqueous slurry in the cage or both. The mixture tumbles inside of the cage and passes through the cage sidewall apertures to the sieve surface. The oleophilic mineral particles of the mixture adhere to the oleophilic adhesive and are captured by the sieve upon contact and conveyed out of the separation zone into the recovery zone.In the recovery zone, mineral particles and adhesive mixture are heated and removed from the sieve by squeezing the mixture on the sieve between two rollers at least one of which is oleophilic. Alternately, the mineral particles and adhesive mixture on the sieve may because of its apertured surface, be blown off, shaken off or thrown off the sieve under the influence of an applied force.
    • 在水相中含有亲油性表面矿物颗粒和疏油脉石ue石颗粒的混合物通过支撑在分离区中的开孔亲油环状筛分离,该旋转圆柱形笼具有多孔侧壁并通过支撑辊支撑在回收区中, 筛面交替旋转穿过分离区和回收区。 将水性混合物作为浆料引入旋转笼中。 无端筛部分地覆盖圆柱形保持架侧壁的外表面。 将亲油性粘合剂作为涂层放置在筛子上或加入到保持架中的水性浆料中或两者中。 混合物在保持架内部滚动并穿过保持架侧壁孔到达筛面。 混合物的亲油矿物颗粒粘附到亲油粘合剂上,并在接触时被筛子捕获并从分离区输送到回收区。 在回收区中,将矿物颗粒和粘合剂混合物通过在两个辊之间的筛上挤压混合物而加热并除去,其中至少一个是亲油的。 或者,筛上的矿物颗粒和粘合剂混合物可能是由于其有孔表面,在施加的力的影响下被吹走,摇摆或从筛子上扔掉。
    • 58. 发明授权
    • Method and apparatus for elutriation of shot from mineral fiber
    • 从矿物纤维中淘汰淘汰的方法和装置
    • US4430209A
    • 1984-02-07
    • US349407
    • 1982-02-16
    • James Q. MerckLeon F. Barry
    • James Q. MerckLeon F. Barry
    • B03B5/00B03B5/60B03B5/62B03B9/00B03B11/00C03B37/10B03B7/00
    • B03B5/60B03B11/00B03B5/00B03B5/623B03B9/00C03B37/10
    • An elutriation apparatus for de-shotting fibrous material carried in a liquid current comprises a battery of washing vessels located in sequence. A power driven mixing apparatus is provided in the first washing vessel of the sequence for dispersing the fibrous material. The upper section of each washing vessel is divided into two compartments by a baffle, while the vessel's lower section is unobstructed, whereby a current of liquid carrying fibrous material which is introduced into the upper section of the vessel to one side of the baffle travels downwardly and then underneath the baffle and upwardly to the vessel's upper section to the other side of the baffle. The latter upper section is provided with a spout for discharge of the fibrous dispersion from the vessel to the next washing vessel or to the separator apparatus located after the last washing vessel of the sequence for removal of the wash liquid from the de-shotted fibrous material. The bottom of each washing vessel is provided with a discharge apparatus for removal of the shot which settles during the cleaning operation. The elutriation method comprises the steps of (a) continuously flowing the liquid through the vessels, (b) delivering shot-containing fibrous material to the first washing vessel, (c) gently mixing this shot-containing material in the first washing vessel to convert the material into a dispersion of fibrous material and shot, (d) discharging from the washing vessels the shot which settles as the flowing liquid and associated dispersed materials pass through the vessels, and (e) separating the flowing liquid from the de-shotted fibrous material after passage of the flowing liquid and associated de-shotted fibrous material through the washing vessels.
    • 用于以液态电流携带的用于脱胶纤维材料的淘洗装置包括依次位于的一组洗涤容器。 在用于分散纤维材料的顺序的第一洗涤容器中设置动力驱动混合装置。 每个洗涤容器的上部通过挡板分成两个隔室,而容器的下部不受阻碍,由此将导入容器的上部的液体携带的纤维材料的流向挡板的一侧向下运动 然后在挡板下方并向上延伸至容器的上部至挡板的另一侧。 后一上部设置有用于将纤维分散体从容器排放到下一个洗涤容器或位于后续洗涤容器之后的分离器装置的喷口,用于从脱模的纤维材料中除去洗涤液体 。 每个洗涤容器的底部设置有用于去除在清洁操作期间沉降的镜头的排出装置。 淘汰方法包括以下步骤:(a)使液体连续地流过容器,(b)将含射弹的纤维材料输送到第一洗涤容器,(c)在第一洗涤容器中轻轻混合该含丸的材料以转化 将材料分解成纤维材料的分散液并喷射,(d)从洗涤容器中排出作为流动的液体和相关的分散材料通过容器而沉降的喷射,以及(e)将流动的液体与脱胶的纤维 流动的液体和相关的脱胶纤维材料通过洗涤容器后的材料。