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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 2. Отображено 2.
18-07-2013 дата публикации

Multi-Franctional Coal Sorter and Method of Use Thereof

Номер: US20130184853A1
Автор: JR. Edward J., Roos Charles D., Roos Charles E., Sommer
Принадлежит: MINERAL SEPARATION TECHNOLOGIES, INC.

Disclosed herein are methods of sorting coal into multiple fractions based upon x-ray absorption and size characteristics in order to remove rocks and other contaminants of various sizes from coal. The use of such dry processing of coal is desirable as it reduces pollution and transportation costs. The multi-fractional sorting of coal is a more efficient manner for identifying and removing rock and contaminants from coal. 1. A method of sorting materials into multiple fractions , comprising:providing a sample;receiving a collimated x-ray beam from an x-ray tube by a detector;determining measurements of x-ray absorption of pieces of the sample;identifying small and large pieces in the sample having a higher density than coal;sorting the large pieces from the sample by use of an air blast;sorting the small pieces from the sample by use of a smaller air blast.2. The method of claim 1 , further comprising:separating the sorted large pieces from ejected coal by use of a screen.3. The method of claim 1 , further comprising:separating the sorted small pieces from ejected coal by use of a screen.4. The method of claim 1 , wherein receiving the collimated x-ray beam by the detector is receiving a plurality of collimated x-ray beams.5. The method of claim 1 , wherein receiving the collimated x-ray beam by the detector further comprises:receiving a first collimated x-ray beam from the x-ray tube by a first detector;receiving a second collimated x-ray beam from the x-ray tube by a second detector.6. The method of claim 1 , further comprising determining identifying characteristics of the sample by use of an infrared 3D imager.7. A multi-fractional coal sorting device claim 1 , comprising:an x-ray tube, wherein the x-ray tube is in a fixed position;a first collimator attached to the x-ray tube;a second collimator attached to the x-ray tube;a first x-ray detector, wherein the first x-ray detector is in a fixed position to receive x-rays collimated by the first collimator;a second ...

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Номер записи: 1
28-11-2019 дата публикации

CONCENTRATING RARE EARTH ELEMENTS FROM COAL WASTE

Номер: US20190358677A1
Автор: Honaker Ricky Q., JR. Edward J., Noble Aaron, Roos Charles D., Roos Charles E., Sommer
Принадлежит: MINERAL SEPARATION TECHNOLOGIES, INC.

Differences in x-ray absorption coefficients and ash content are used to process coal waste and concentrate rare earth elements (REE) found in coal seams. A method for processing the coal waste includes receiving, by a detector, at least one collimated x-ray beam from an x-ray source that has been passed through a sample of coal waste; determining measurements of at least one x-ray absorption characteristic of the sample based on the received at least one collimated x-ray beam; and identifying a first region in the sample having a concentration of rare earth elements based on the measured x-ray absorption characteristic. 1. A method of sorting materials , comprising the steps of:receiving, by a detector, at least one collimated x-ray beam from an x-ray source that has been passed through a sample of coal waste;measuring at least one x-ray absorption characteristic of the sample based on the received at least one collimated x-ray beam;identifying a first region in the sample having a concentration of rare earth elements based on the measured x-ray absorption characteristic; andphysically separating the first region from other regions in the sample.2. The method of claim 1 , wherein identifying the first region in the sample comprises determining (a) whether the measured x-ray absorption characteristic is greater than an x-ray absorption characteristic of a coal material and (b) whether the measured x-ray absorption characteristic is less than an x-ray absorption characteristic of a rock material.3. The method of claim 1 , wherein the identifying the first region in the sample comprises identifying a region in the sample having a specific gravity between about 1.8 and about 2.0.4. The method of claim 1 , wherein the physically separating comprises sorting the first region of the sample from the other regions of the sample by use of an ejector.5. The method of claim 4 , wherein the ejector is an air blast.6. The method of claim 1 , further comprising identifying a ...

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Номер записи: 2