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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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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 5. Отображено 5.
04-08-2023 дата публикации

Efficient recovery method for superfine high-argillaceous iron oxide ore in complex occurrence state

Номер: CN116532231A
Автор: DUAN SHENGHONG, CHEN LUZHENG, JIANG YAXIONG, SUN YOUNG JUN, GAO QIFANG, XUE ZIXING, XIE ENLONG, ZHENG HAILEI, ZHOU DONGYUN, ZHOU GUANGLANG, DAI SHENGQUAN, HU CHANGGUANG
Принадлежит:

The invention relates to a high-efficiency recovery method for superfine high-argillaceous iron oxide ore in a complex occurrence state. The method comprises the following steps: (1) selectively dispersing raw materials; (2) magnetite series strong magnetic roughing; (3) magnetite series strong magnetic scavenging; (4) magnetite series strong magnetic concentration; (5) limonite system pulse high-gradient super-strong magnetic roughing; and (6) limonite system pulse high-gradient strong magnetic concentration. Segmented magnetic separation is conducted on a superfine particle magnetite system and a limonite system in a complex occurrence state, the magnetite system is efficiently and preferentially recycled through strong magnetism and a small working gap, then a pulse high-gradient magnetic separation unit is adopted for efficiently recycling the limonite system through super-strong magnetism, high pulse and high gradient, iron oxide ore is effectively recycled in a classified and efficient ...

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Номер записи: 1
16-05-2023 дата публикации

Beneficiation method for efficiently recovering valuable components from low-grade zinc oxide ore

Номер: CN116116568A
Автор: DUAN SHENGHONG, GAO QIFANG, JIANG YAXIONG, XIE ENLONG, WANG YONG, DAI SHENGQUAN, ZHOU GUANGLANG
Принадлежит:

The invention relates to a beneficiation method for efficiently recovering valuable components from low-grade zinc oxide ore. The beneficiation method comprises the following steps that (1) the ore is crushed to the particle size of-10 mm; (2) water washing and waste pre-throwing are conducted, specifically, a, products with the particle sizes of 2-10 mm and 2 mm are obtained through screening; b, performing grading treatment on the material with the particle size of-2mm to obtain products with the particle sizes of 0.1-2mm and-0.1 mm; c, performing grading treatment on the materials with the particle size of-0.1 mm to obtain products with the particle size of 0.015-0.1 mm and products with the particle size of-0.015 mm; (3) combining the 2-10mm size fraction and the 0.1-2mm size fraction, and then carrying out selective ore grinding-grading to obtain a material of which the size fraction of-0.074 mm accounts for 75% and the concentration is 18%-20%; (4) after the materials with the particle ...

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Номер записи: 2
16-05-2023 дата публикации

Recycling method of complex zinc oxide ore with various zinc occurrence states

Номер: CN116116566A
Автор: DUAN SHENGHONG, GAO QIFANG, JIANG YAXIONG, XIE ENLONG, WANG YONG, DAI SHENGQUAN, ZHOU GUANGLANG
Принадлежит:

The invention relates to a method for recycling complex zinc oxide ore in various zinc occurrence states. The method comprises the following steps: (1) grinding ore; (2) recycling and wrapping zinc oxide by using a pulsating high-gradient high-intensity magnetic separator to obtain wrapped or combined zinc oxide concentrate I and magnetic separation tailings; and (3) free zinc oxide is recovered through flotation. Respectively adding sodium hexametaphosphate and a flotation reagent, and carrying out flotation in the flotation system to obtain zinc oxide concentrate II and tailings; (4) roasting the zinc oxide concentrate II obtained in the step (3) at low temperature to obtain zinc oxide roasting slag; and (5) roasting slag of the zinc oxide concentrate I obtained in the step (2) and roasting slag of the zinc oxide concentrate II obtained in the step (4) are subjected to acid leaching purification, zinc-containing acid leaching liquid and acid leaching slag are obtained, the zinc-containing ...

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Номер записи: 3
07-04-2023 дата публикации

Method for recovering gold, silver and copper from sulfur concentrate calcine washing waste liquid

Номер: CN115927852A
Автор: DAI SHENGQUAN, GAO QIFANG, XIE ENLONG, ZHOU DONGYUN, ZHOU GUANGLANG
Принадлежит:

The invention relates to a method for recovering gold, silver and copper from sulfur concentrate calcine washing waste liquid. The method comprises the following steps: (1) detecting the content of gold, silver and copper in the sulfur concentrate calcine washing waste liquid; (2) adding a lime milk solution to enrich and precipitate gold, silver and copper in the washing waste liquid, and then carrying out solid-liquid separation until the pH value is 7-8; (3) recycling gold and silver; the filter residues obtained in the step (2) are subjected to size mixing, a lime milk solution is added for a reaction, the PH ranges from 10 to 11, and the reacted ore pulp is subjected to cyanidation to leach activated carbon to adsorb gold and silver; wherein the stirring rotating speed is 300-500 revolutions per minute; (4) a copper recovery process: carrying out solid-liquid separation on the ore pulp treated in the step (3), controlling the ore grinding concentration of filter residues to be 50-60% ...

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Номер записи: 4
27-06-2023 дата публикации

Weak-field-intensity high-gradient magnetic separator for recovering magnetite, configuration of weak-field-intensity high-gradient magnetic separator and mineral separation process

Номер: CN116328938A
Автор: LI QIZAI, DUAN SHENGHONG, JIANG YAXIONG, XIE ENLONG, WANG YONG
Принадлежит:

The weak-field-intensity high-gradient magnetic separator comprises an excitation coil and an iron yoke which are installed on a separation chamber, a rotating ring is rotatably installed in the separation chamber, a plurality of magnetic medium boxes are installed on the rotating ring, and a plurality of magnetic medium rods are arranged on the magnetic medium boxes at intervals; a weak-field-intensity high-gradient magnetic separator for collecting magnetite is adopted for treating fed ore, obtained magnet rough concentrate is conveyed into a magnetic desliming barrel to be subjected to desliming treatment, and tailings I and tailings II are combined; the theory that the magnetic force borne by magnetic minerals is in direct proportion to the magnetic induction intensity and the magnetic field gradient is ingeniously applied to magnetite beneficiation, the high-gradient effect of the magnetic field is fully played, the situation that when an existing magnetic separator adopts the high ...

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Номер записи: 5