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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 7. Отображено 7.
11-04-2023 дата публикации

Method for preparing battery-grade lithium carbonate from lithium-containing wastewater generated in production of aluminum oxide from fly ash

Номер: CN115947354A
Автор: DU SHANZHOU, HUANG YONGBO, WANG LIANMENG, LIU DARUI, ZHOU YONGLI, JIA FENG, LYU JIANWEI, LI WENQING, CAO KUN, WANG SIQI, LI XUE
Принадлежит:

The invention provides a method for preparing battery-grade lithium carbonate from lithium-containing wastewater generated in production of aluminum oxide from fly ash. The method comprises the following steps: S1, carrying out concentration treatment on the lithium-containing wastewater to obtain a lithium-enriched solution; s2, extracting the lithium-enriched liquid by adopting an organic phase to obtain a lithium-containing organic phase; s3, the lithium-containing organic phase is subjected to reverse extraction, and reverse extraction liquid is obtained; s4, performing precipitation and impurity removal on the strip liquor to obtain lithium chloride-containing liquor; and S5, adding sodium carbonate and the lithium chloride-containing liquid for precipitation reaction to obtain lithium carbonate. The method for extracting the lithium in the lithium-containing wastewater generated in aluminum oxide production through the fly ash acid method is provided for the first time, the high lithium ...

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Номер записи: 1
27-03-2018 дата публикации

System for salt acidic process fly ash production aluminium oxide

Номер: CN0207142844U
Автор: GUO ZHAOHUA, XU LIJUN, CHEN DONG, WANG LIANMENG, LIU DARUI, ZHANG YUNFENG, FAN RUICHENG, YANG LEI, LI SHICHUN, CHANG NING, MIAO JIABING, LIU ZHENJU, ZHAI ZHENGJIANG, WANG YONGWANG
Принадлежит: CHINA SHENHUA ENERGY CO LTD, XINHUA ZHUNNENG RESOURCE INTEGRATION DEV CO LTD, CHINA SHENHUA ENERGY CO., LTD., XINHUA ZHUNNENG RESOURCE INTEGRATION DEVELOPMENT CO., LTD.

The utility model discloses a system for salt acidic process fly ash production aluminium oxide, equipment, flashing apparatus, mixing tank, subsider, essence are strained unit, deironing unit, are removed the calcium unit including dissolving out, evaporation crystal unit, calcination unit, washing unit, its characterized in that: still include concentrated unit. The utility model discloses a system has improved the alCl3 concentration in the solution through increase concentrated unit on existing systematic basis, has improved the efficiency of aluminium oxide preparation in -process resin except that the calcium unit, has reduced the use amount of resin, has improved economic benefits.

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Номер записи: 2
18-04-2023 дата публикации

Method for extracting aluminum-gallium-lithium system from coal gangue

Номер: CN115976324A
Автор: DU SHANZHOU, HUANG YONGBO, GAO GUIMEI, WANG LIANMENG, LYU JIANWEI, ZHOU YONGLI, WANG SIQI, WANG RUI, LI XUE
Принадлежит:

The invention relates to a method for extracting an aluminum-gallium-lithium system from coal gangue. The method comprises the following steps: carrying out leaching reaction on the coal gangue and inorganic acid to obtain an acid leaching solution; enabling the acid leaching solution to pass through ion exchange resin to obtain a refined solution, and eluting the ion exchange resin with diluted hydrochloric acid to obtain an eluent; concentrating and crystallizing the refined liquid to obtain inorganic acid aluminum salt crystals and separated filtrate, and calcining the crystals; enabling the eluent to pass through a gallium extraction resin column, and eluting the gallium extraction resin with diluted hydrochloric acid to obtain a second eluent; adding sodium hydroxide, then carrying out filtering treatment, adding hydrochloric acid into filtrate, then carrying out filtering treatment to obtain gallium mud, adding a sodium hydroxide solution to form a gallium solution, and carrying out ...

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Номер записи: 3
23-04-2014 дата публикации

Evaporator and method for monitoring breakage of liner of evaporator

Номер: CN103743791A
Автор: GUO ZHAOHUA, ZHAO YUHANG, WANG LIANMENG, ZHANG WEISHI, SUN GUOCAI, CHI JUNZHOU, FAN RUICHENG, LI SHICHUN
Принадлежит:

The invention discloses an evaporator and a method for monitoring the breakage of a liner of the evaporator. The evaporator comprises a metal shell, the liner and a circuit which is used for monitoring the breakage of the liner. The circuit comprises a first electrode connected with the metal shell, a second electrode on the inner wall of the liner, a power supply connected with a lead in series, and a measuring device for measuring the change of electric signals in the circuit, wherein the second electrode is insulated from the metal shell, and the first electrode and the second electrode are connected through the lead; the measuring device is connected to the circuit. The method is used for monitoring the breakage of the liner by measuring the change of the electric signals in the circuit by the measuring device. By virtue of the evaporator and the method for monitoring the breakage of the liner of the evaporator, the liner of the evaporator can be detected in real time. When the liner ...

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Номер записи: 4
27-08-2021 дата публикации

Construction engineering steel manufacturing cost counting device

Номер: CN214058416U
Автор: WANG LIANMENG, 王联盟
Принадлежит: WANG LIANMENG, 王联盟

The utility model provides a construction engineering steel manufacturing cost counting device which comprises a base, a plurality of placing frames are sequentially stacked on the base in the vertical direction, and a plurality of placing plates are arranged on each placing frame at intervals in the horizontal direction. A bottom plate is arranged at the bottom of each placing frame, and a plurality of positioning holes are formed in each bottom plate; a top plate is arranged at the top of each placing frame, supporting rods in one-to-one correspondence with the positioning holes are arranged at the top of each top plate, positioning columns matched with the positioning holes are arranged at the upper ends of the supporting rods, and the positioning columns movably penetrate through the corresponding positioning holes in the vertical direction; the diameter of the positioning column is smaller than that of the supporting rod; the steel pipe fitting counting device is simple in structure ...

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Номер записи: 5
30-04-2014 дата публикации

Acid-corrosion-resistant zirconium oxide composite ceramic material and preparation method thereof

Номер: CN103755341A
Автор: LI SHICHUN, HAN JIANGUO, WANG DANNI, WANG LIANMENG, FAN RUICHENG, YUAN MING, SUN GUOCAI, ZHAO YUHANG
Принадлежит:

The invention discloses an acid-corrosion-resistant zirconium oxide composite ceramic material. The acid-corrosion-resistant zirconium oxide composite ceramic material comprises the following components in parts by mole: 100 parts of ZrO2, 2-4 parts of Y2O3, 2-10 parts of CeO2, 4-12 parts of Al2O3 and 0.2-2 parts of TiO2. The invention also discloses a preparation method of the ceramic material and a ball valve, a valve core and a valve seat of which are made of the ceramic material. The acid-corrosion-resistant zirconium oxide composite ceramic material has good mechanical property and excellent acid-corrosion resistance; the preparation method is simple.

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Номер записи: 6
28-05-2014 дата публикации

Dissolution method of aluminum from fly ash

Номер: CN103820651A
Автор: WANG QIRUI, SUN GUOCAI, WANG LIANMENG, GUO ZHAOHUA, MIAO JIABING, ZHOU YONGLI, ZHAO YUHANG
Принадлежит:

The invention discloses a dissolution method of aluminum from fly ash. The method comprises the following steps of: S1, pretreating the fly ash; S2, adding a hydrochloric acid alcohol solution into the pretreated fly ash to carry out an acid dissolution treatment so as to obtain acid soluble products; S3, carrying out solid-liquid separation on the acid soluble products to obtain an alcohol solution of aluminum chloride; S4, evaporating the alcohol solution of aluminum chloride and carrying out solid electrolysis on obtained anhydrous aluminum chloride to obtain primary aluminum. The acid dissolution treatment and the solid-liquid separation are carried out on fluidized bed fly ash with higher reactivity by using the hydrochloric acid alcohol solution, then the alcohol solution of aluminum chloride can be obtained, the alcohol solution of aluminum chloride is evaporated to obtain the anhydrous aluminum chloride, and the anhydrous aluminum chloride is electrolyzed to obtain the primary aluminum ...

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Номер записи: 7