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1. 发明授权

US4265743A Method of and apparatus for extraction of gold from placer gravel 失效
标题翻译：从砾石中提取黄金的方法和设备
公开(公告)号：US4265743A
公开(公告)日：1981-05-05
申请号：US050310
申请日：1979-06-20
申请人： Earl G. Younge
发明人： Earl G. Younge
IPC分类号： C22B11/10 , B03B5/56
CPC分类号： C22B11/10 , Y10S494/902
摘要： The present invention relates to a method of extracting gold from placer gravel. Whereas conventional techniques are relatively effective in the processing of coarse gold particles, i.e. plus ten mesh tyler, the present invention finds application in recovery of gold particles of all sizes from submicroscopic through coarse nuggets larger than ten mesh tyler. A rotating sluice box uses centrifugal force to enhance the sluicing process, and a centrifugal amalgamator then extracts gold from the concentrate thus produced, under centrifugal force. Gold is removed from the mercury by conventional techniques.
摘要翻译：本发明涉及一种从砾石中提取黄金的方法。而常规技术在加工粗金颗粒（即加十网格泰勒）中相对有效，本发明可用于从亚显微镜通过大于十目泰勒的粗块掘炼回收各种尺寸的金颗粒。旋转闸箱采用离心力来增强冲洗过程，然后离心混合器在离心力下从由此产生的浓缩物中提取金。黄金通过常规技术从汞中除去。

2. 发明授权

US4347130A Placer mineral concentrator and process 失效
标题翻译： Placer矿物浓缩器和工艺
公开(公告)号：US4347130A
公开(公告)日：1982-08-31
申请号：US247322
申请日：1981-03-25
申请人： Earl G. Younge
发明人： Earl G. Younge
IPC分类号： C22B11/10 , B03B5/56
CPC分类号： C22B11/10 , Y10S494/902
摘要： The present invention provides for a device and process for extracting heavy particles from lighter particles. The inventive device uses a unique riffle action, causing separation of heavy mineral from waste material, in combination with centrifugal force to retain the separated minerals in the concentrator. The concentrator processes a wide range of particle size feed for the extraction of heavy minerals. The device and process of the invention can extract a great percentage of very fine particles, as well as coarser particles. The machinery of the process can be installed in a roadworthy trailer for delivery and use at the excavation site.
摘要翻译：本发明提供了用于从较轻颗粒中提取重质颗粒的装置和方法。本发明的装置使用独特的滤液作用，引起重质矿物与废料分离，结合离心力将分离的矿物质保留在浓缩器中。浓缩器处理大范围的粒度进料，用于提取重矿物。本发明的装置和方法可以提取很大百分比的非常细的颗粒以及较粗的颗粒。该过程的机械装置可安装在适宜的拖车上，以便在挖掘现场进行交付和使用。

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