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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

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 4. Отображено 4.
24-11-2010 дата публикации

Spiral flow continuous centrifugal classifier

Номер: CN0101890393A
Автор: LUZHENG CHEN, CHEN LUZHENG
Принадлежит:

The invention relates to a classifier for the centrifugal classification of minerals and the classifier can effectively separate minerals with different heavy mineral contents and be especially suitable for the deep concentration of fine minerals with high heavy mineral contents. In the classifier, a water inlet pipe is connected on the wall of a sealed barrel-shaped settling chamber, the upper part of the settling chamber is provided with a barrel-shaped spiral flow column, the lower part is connected with a concentration cone; the lower end of the concentration cone is connected with a concentrate pipe; the upper part of the spiral flow column is connected with a mineral-feeding pipe tangentially, the lower part is connected with a coaxial sorting cone with a sealed bottom, tangential fluidization holes are uniformly distributed at the bottom of a conical ring slot on the inner wall of the sorting cone, and the top of the spiral flow column is provided with a tailing pipe which is communicated ...

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Номер записи: 1
11-01-2012 дата публикации

Separation-smelting combined method for producing iron ore concentrate from oolitic lean hematite

Номер: CN0101862703B
Автор: BAI SHAOJUN, CHEN LUZHENG, FANG JIANJUN, LIU DAN, LIU DIANWEN, SUN LIJUN, WEN SHUMING, XIE HAIYUN, ZHANG WENBIN, ZHANG XIAOLIN, SHAOJUN BAI, LUZHENG CHEN, JIANJUN FANG, DAN LIU, DIANWEN LIU, LIJUN SUN, SHUMING WEN, HAIYUN XIE, WENBIN ZHANG, XIAOLIN ZHANG
Принадлежит:

The invention relates to a separation-smelting combined method for producing iron ore concentrate from oolitic lean hematite. The technical scheme first comminutes oolitic lean hematite containing 30 to 40 percent of iron, the comminuted mineral slurry enters a high-intensity magnetic separator and preseparated, weak-magnetic mineral is turned into strong-magnetic concentrate, and tailings are removed in advance; the strong-magnetic concentrate is mixed with pulverized coal, the weight of which accounts for 10 to 30 percent of the weight of the concentrate, and the mixture is heated to 900 DEG C to 1100 DEG C in a muffle furnace, and is magnetically roasted as the temperature is kept for 1 to 3 hours; after being cooled, the magnetically roasted mineral sample is wet-milled, and is then fed into a low-intensity magnetic separator and separated under low-intensity magnetism, magnetic mineral is turned into weak-magnetic concentrate, and thereby high-quality iron concentrate is produced.

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Номер записи: 2
20-10-2010 дата публикации

Centrifugal high-gradient magnetic method

Номер: CN0101862702A
Автор: LUZHENG CHEN, CHEN LUZHENG
Принадлежит:

The invention provides a centrifugal high-gradient magnetic method, which comprises the following steps: a magnetic medium cylinder with magnetic medium is fixed in the middle of a separating cylinder and rotates along with the separating cylinder in magnetic field to form a comprehensive force-field by the competition of high-gradient magnetic field and centrifugal force filed in the magnetic medium. A pulp self-feeding ore taper pipe enters into the magnetic medium cylinder to carry out separation; because magnetic force of magnetic minerals is greater than the centrifugal force, the magnetic medium can capture the magnetic minerals; because the magnetic force of poor intergrowth and gangue is less than the centrifugal force, the poor intergrowth and gangue can pass through the magnetic medium, flow out of a through-hole on a magnetic medium cylinder wall, enter into the separating cylinder and finally flow out of an ore discharging pipe at the bottom. When the magnetic minerals of captured ...

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Номер записи: 3
20-10-2010 дата публикации

Separation-smelting combined method for producing iron ore concentrate from oolitic lean hematite

Номер: CN0101862703A
Автор: SHAOJUN BAI, LUZHENG CHEN, JIANJUN FANG, DAN LIU, DIANWEN LIU, LIJUN SUN, SHUMING WEN, HAIYUN XIE, WENBIN ZHANG, XIAOLIN ZHANG, BAI SHAOJUN, CHEN LUZHENG, FANG JIANJUN, LIU DAN, LIU DIANWEN, SUN LIJUN, WEN SHUMING, XIE HAIYUN, ZHANG WENBIN, ZHANG XIAOLIN
Принадлежит:

The invention relates to a separation-smelting combined method for producing iron ore concentrate from oolitic lean hematite. The technical scheme first comminutes oolitic lean hematite containing 30 to 40 percent of iron, the comminuted mineral slurry enters a high-intensity magnetic separator and preseparated, weak-magnetic mineral is turned into strong-magnetic concentrate, and tailings are removed in advance; the strong-magnetic concentrate is mixed with pulverized coal, the weight of which accounts for 10 to 30 percent of the weight of the concentrate, and the mixture is heated to 900 DEG C to 1100 DEG C in a muffle furnace, and is magnetically roasted as the temperature is kept for 1 to 3 hours; after being cooled, the magnetically roasted mineral sample is wet-milled, and is then fed into a low-intensity magnetic separator and separated under low-intensity magnetism, magnetic mineral is turned into weak-magnetic concentrate, and thereby high-quality iron concentrate is produced.

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Номер записи: 4