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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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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 9. Отображено 9.
01-08-2023 дата публикации

Combined inhibitor for flotation separation of fluorite and calcite and use method of combined inhibitor

Номер: CN116510908A
Автор: JIAO FEN, WEI QIAN, QIN WENQING, ZHANG XIAOFENG, CUI YANFANG, LIU MEIQIONG, YUAN ZHIYONG, YUAN WENMING
Принадлежит:

The invention discloses a combined inhibitor for flotation separation of fluorite and calcite and a use method of the combined inhibitor. The combined inhibitor is composed of the following components in percentage by weight: 75%-85% of sulfonated lignite, 5%-15% of 3, 4, 5-trihydroxybenzoic acid and 5%-15% of a dispersing agent. The combined inhibitor is applied to fluorite and calcite mineral flotation separation through the synergistic effect of reagents, can effectively inhibit calcite flotation, has no inhibition effect on fluorite flotation, and has the advantages of being high in grading efficiency, economical, environmentally friendly, convenient to operate, easy to treat beneficiation wastewater and the like.

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Номер записи: 1
25-04-2023 дата публикации

Fluorite low-temperature collecting agent and preparation method thereof

Номер: CN115999775A
Автор: WANG XU, JIAO FEN, TAN WENQING, YANG CONGREN, WEI QIAN
Принадлежит:

The invention discloses a fluorite low-temperature collecting agent and a preparation method thereof, the fluorite low-temperature collecting agent comprises the following raw materials in parts by weight: 65-82 parts of sodium oleate, 10-20 parts of sodium abietate, 3-5 parts of a peregal surfactant and 5-10 parts of a carboxylic acid copolymer. The collecting agent provided by the invention still has good dispersibility and foaming ability in a low-temperature environment, can overcome the defect of poor low-temperature collecting ability of fatty acid medicaments, strengthens the collection of fine fraction, ensures the concentrate grade of fluorite, improves the recovery rate of fluorite in the low-temperature environment, and has strong ore adaptability.

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Номер записи: 2
25-08-2023 дата публикации

High-argillaceous lead-zinc oxide ore flotation combined regulator and application method thereof

Номер: CN116637728A
Автор: JIAO FEN, ZHANG ZHENGQUAN, QIN WENQING, YANG CONGREN, WEI QIAN, WANG CHEN, LIN XIANG, WANG XU, LI WEI
Принадлежит:

The invention discloses a high-argillaceous lead-zinc oxide ore flotation combined regulator and an application method thereof. The combined regulator is composed of a regulator A and a regulator B according to a mass ratio of 1: (3-10); the regulator A is a macromolecular polysaccharide substance; the regulator B is prepared from the following components in parts by mass: 80 to 90 parts of B1 and 10 to 20 parts of B2; b1 is sodium silicate, and B2 is at least one of polyamino polyether methylene phosphoric acid, polyepoxysuccinic acid and 2-phosphonobutane-1, 2, 4-tricarboxylic acid. The application method comprises the following steps that raw ore is levigated, sodium carbonate, the regulator A, the regulator B and sodium sulfide are sequentially added for size mixing, finally, the collecting agent is added for zinc oxide mineral flotation, and zinc oxide rough concentrate is obtained. According to the method, the zinc oxide mineral in the high-argillaceous lead-zinc oxide ore can be ...

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Номер записи: 3
25-04-2023 дата публикации

Comprehensive utilization method of cyanidation tailings

Номер: CN116004989A
Автор: JIAO FEN, TAN WENQING, LI GONGHAO, LI CHEN, HE DONGXIANG
Принадлежит:

The invention discloses a comprehensive utilization method of cyanidation tailings, which comprises the following steps: S1, uniformly mixing dried cyanidation tailings, a slag former and a reducing agent according to a ratio to obtain an ingredient; s2, the ingredients obtained in the step S1 are fed into a smelting furnace to be smelted, and molten iron and slag are obtained; s3, casting the molten iron obtained in the step S2 into a mold, cooling and shaping, and demolding to obtain an anode plate; and S4, the anode plate obtained in the step S3 is corrected and cleaned and then placed in an electrolytic bath to be electrolyzed, high-purity iron and anode mud are obtained, and electrolyte can be repeatedly used after being purified. The cyanide breaking step is omitted, the cyanidation tailings with different properties can be treated, the method has the advantages of being low in pollution, wide in applicability, high in recovery rate and high in comprehensive utilization rate, and ...

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Номер записи: 4
02-05-2023 дата публикации

Synergistic treatment method for cyanidation tailings and copper-containing sludge

Номер: CN116043018A
Автор: LIU WEI, JIAO FEN, LI CHEN, LIU XUEZHOU, PENG HONGKUI, ZHANG LI, HE DONGXIANG, SHEN HUANG, CAI HANYANG
Принадлежит:

The invention relates to a cooperative treatment method of cyanidation tailings and copper-containing sludge, which comprises the following steps: adding treated cyanidation tailings, copper-containing sludge, a first reducing agent and a chlorinating agent into a first smelting furnace, introducing oxygen-enriched gas, and carrying out chlorination smelting to obtain molten slag and flue gas rich in metal chloride; the molten slag in the first smelting furnace is transferred into a second smelting furnace, meanwhile, a second reducing agent and a flux are added into the second smelting furnace, oxygen-enriched gas is introduced, reduction smelting is conducted, and CaO-MgO-SiO2 molten slag, molten iron and tail gas are obtained; and dust collection is conducted on the smoke rich in the metal chloride, and smoke dust rich in the metal chloride is obtained. According to the method, complete comprehensive utilization of the cyanidation tailings and the copper-containing sludge is achieved ...

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Номер записи: 5
16-05-2023 дата публикации

Beneficiation method for high-mud lead-zinc oxide ore through graded size mixing-mixed hydrophobic floc carrier flotation

Номер: CN116116586A
Автор: JIAO FEN, ZHANG ZHENGQUAN, TAN WENQING, YANG CONGREN, WEI QIAN, WANG CHEN, LIN XIANG
Принадлежит:

The invention discloses a beneficiation method for high-mud lead-zinc oxide ore through graded size mixing-mixed hydrophobic floc carrier flotation. The beneficiation method comprises the following steps that (1) ore grinding is conducted; (2) sulphide ore flotation; 3) flotation of lead oxide; (4) grading and size mixing; and 6) zinc oxide flotation. Aiming at recovery of zinc oxide minerals in lead-zinc oxide ores with high mud content and high oxidation rate, hydrophobic flocculation of coarse-fraction minerals and fine-fraction minerals is realized by utilizing surface hydrophobic force of the coarse-fraction minerals and the fine-fraction minerals after size mixing respectively, so that comprehensive recovery is realized. According to the method, the influence of high-content argillization gangue can be overcome, the adaptability is high, the grade and the recovery rate of zinc oxide concentrate are high, and efficient flotation recovery of zinc resources can be achieved.

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Номер записи: 6
23-06-2023 дата публикации

Process method for resourcefully treating tungsten slag by using carbon slag

Номер: CN116287738A
Автор: JIAO FEN, TAN WENQING, DONG LIANGMIN, ZHANG YOUFEI, HUANG YALIN, WANG CHEN
Принадлежит:

The invention discloses a process method for resourceful treatment of tungsten slag by using carbon slag. The process method comprises the following steps: uniformly mixing tungsten slag, a vulcanizing agent and a reducing agent carbon slag, pelletizing, and carrying out a high-temperature roasting process to obtain stannous sulfide and pellets; the method comprises the following steps: by taking stannous sulfide as a raw material, carrying out reduction smelting in an oxygen-enriched side-blown furnace to obtain metallic tin, washing high-temperature flue gas with water, and returning washing liquid to a pelletizing process; the roasted pellets are sequentially subjected to crushing, screening and ore grinding processes and enter a flotation system to recover calcium fluoride; and carrying out magnetic separation on the flotation tailings to obtain magnetite. According to the method, all-component recycling of the dangerous solid waste tungsten slag and carbon slag can be achieved, and ...

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Номер записи: 7
23-05-2023 дата публикации

Batching optimization method for high-temperature melt

Номер: CN116153447A
Автор: JIAO FEN, TAN WENQING, WEI XIN, ZHANG YOUFEI
Принадлежит:

The invention discloses a high-temperature melt burdening optimization method which comprises the following steps: 1) extracting a sample from a raw material, drying and firing to obtain a firing product, and calculating an ignition loss rate; 2) measuring the component content of the burning product, and converting according to the burning loss rate to obtain the component content calculation value of the raw material; (3) repeating the steps (1) and (2) to respectively obtain the calculated value of the component content of each raw material of the melt ingredient, and calculating the ratio of each raw material according to the calculated value and the set target value of the component content of the high-temperature melt to obtain a calculated formula; 4) burdening and melting according to the calculation formula to obtain a high-temperature melt, and measuring the component content of the high-temperature melt, namely the measured value of the component content of the high-temperature ...

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Номер записи: 8
26-05-2023 дата публикации

Serpentine inhibitor and application thereof in flotation of copper and nickel in copper-nickel ore

Номер: CN116159680A
Автор: JIAO FEN, PAN ZUCHAO, WEI QIAN, TAN WENQING, LIANG GUOYAN
Принадлежит:

The invention discloses a serpentine inhibitor and application thereof in flotation of copper and nickel in copper-nickel ore, the serpentine inhibitor is nanocellulose, and the specific application comprises the following steps: grinding copper-nickel ore raw ore by a ball mill, then blending into ore pulp, adding the nanocellulose into the ore pulp, and stirring to obtain the serpentine inhibitor. And then ethyl xanthate and second oil are sequentially added for stirring, and copper-nickel concentrate is obtained through separation flotation operation of 1-2 times of roughing, 2-3 times of scavenging and 2-3 times of concentration. The serpentine inhibitor nanocellulose is wide in raw material source, green, environmentally friendly, free of phosphorus element, high in copper and nickel metal recovery rate, low in magnesium oxide content in concentrate and capable of achieving efficient enrichment of pentlandite and chalcopyrite in the copper-nickel ore.

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Номер записи: 9