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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 8. Отображено 8.
09-06-2010 дата публикации

Method for granulating powdery active lime, special equipment and midbody

Номер: CN0101721949A
Автор: GUO CHANGSHU, LI MINGSHUN, TANG TIESHI, XIA JINGSHI, CHANGSHU GUO, MINGSHUN LI, TIESHI TANG, JINGSHI XIA
Принадлежит:

The invention relates to a method for granulating powdery active lime, a device and a midbody, in particular to a technology for granulating active lime for smelting steel. The invention provides a technology for processing powdery active lime powder into granules. The technology reduces the cost, is relatively easy for production, does not add any additive and can keep the calcium oxide content and the activity of the active lime powder after granulation constant, enable the granulated active lime to maintain certain mechanical strength and achieve the aim of fully utilizing materials. Meanwhile, the invention also provides special equipment which has simple structure and molds the powdery active lime in one step. The powdery active lime is pressed into strip blocks by an extruding machine, and the strip blocks are pulverized by a crusher and screened into the active lime with needed granularity.

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Номер записи: 1
02-11-2011 дата публикации

Composite desulfurizing agent for molten-iron furnace external refining and spraying

Номер: CN0102230048A
Автор: TIESHI TANG, TANG TIESHI
Принадлежит:

The invention relates to a composite desulfurizing agent for molten-iron furnace external refining and spraying. The composite desulfurizing agent comprises the following components in percentage by mass: 15-25 % of magnesium powder, 0-20 % of calcium carbide and 65-85 % of calcium oxide (passivated active lime) and fluorite, wherein the components are uniformly mixed and pressed in powder shape and screened until no less than 90 % of powder with particle size of 0.1-0.9 mm is obtained. The powder is uniformly mixed, pressed and screened to obtain no less than 96 % of powder with particle size of 0.1-0.9 mm. According to the invention, the disposable spraying is adopted so that the time is saved, the less temperature drop is obtained and the desulphurization efficiency is improved; the powder of the magnesium powder, the active lime and the fluorite is mechanically pressed and screened in granular shape so that the magnesium passivating process is saved; meanwhile, the utilization rate ...

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Номер записи: 2
28-09-2011 дата публикации

Compound desulfurizer

Номер: CN0102198383A
Автор: TANG TIESHI, LI MINGSHUN, XIA JINGSHI, GUO CHANGSHU, TIESHI TANG, MINGSHUN LI, JINGSHI XIA, CHANGSHU GUO
Принадлежит:

The invention relates to a compound desulfurizer, in particular to a granulating technology of the compound desulfurizer for steel-making. The granulating technology of the compound desulfurizer comprises the steps: a powdered desulfurizer is extruded to be strips by an extruder; the strips are crushed by a crusher; and then the crushed strips are screened to classify to obtain the compound desulfurizer with required granularity. By use of the granulating technology, not only the granulated compound desulfurizer can maintain a certain mechanical strength, but also the powdered desulfurizer can be fully utilized so as to reach the purpose of making full use of materials.

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Номер записи: 3
29-12-2010 дата публикации

Production technique of manganese sulfate

Номер: CN0101928041A
Автор: ZHANG DEHUAN, TANG TIESHI, DEHUAN ZHANG, TIESHI TANG
Принадлежит:

The invention relates to a technique for producing manganese sulfate by self-made high-activity reducing agent, which comprises the steps of: 1) adding water or residue washing water in manganese dioxide ore, stirring, adding dilute sulphuric acid and maintaining the pH value to be 2, wherein the solid-to-liquid ratio is 1: 3-4; stirring and adding high-activity reducing agent in batches until the material liquid is faint yellow and has the pH value which is less than or equal to 1.5; press filtering and separating primary liquid and acid residue; 2) stirring the primary liquid and adding lime milk until the pH value is 3.5; press filtering and separating secondary liquid, iron hydroxide and aluminium hydroxide; 3) stirring the secondary liquid separated by the step 2 and continuously adding the lime milk for neutralization; when the pH value is 5, press filtering and separating magnesium hydroxide and manganese sulfate material liquid; and 4) evaporating the manganese sulfate material ...

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Номер записи: 4
09-06-2010 дата публикации

Complex desulfurizer and manufacturing method

Номер: CN0101724734A
Автор: LI MINGSHUN, TANG TIESHI, MINGSHUN LI, TIESHI TANG
Принадлежит:

The invention relates to a formula for a complex liquid steel (iron) desulfurizer and a manufacturing method. The liquid steel (iron) desulfurizer is added if sulphur content is required to be lowered in iron and steel smelting. The formula in the invention comprises the following components: 80-85% of passivated active lime powder, 7-10% of fluorite powder, 3-5% of aluminum powder, 2-4% of calcium carbide powder and 0.5-2% of passivated magnesium powder. The above raw materials are mixed and stirred evenly according to the formula, and prepared into compound grains by granulation equipment, wherein the grain size of the compound grain is 0.5-1.2mm.Compared with the common calcium oxide desulfurizer, the desulfurizer in the invention can improve the desulfurization effect by over 35%.

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Номер записи: 5
04-06-2014 дата публикации

Method using calcium carbide slag to produce high activity lime

Номер: CN103833238A
Автор: TANG TIESHI
Принадлежит:

The invention provides a method using calcium carbide slag to produce high activity lime, and the method comprises the following steps: (1) performing early treatment for deslagging and part dewatering of the calcium carbide slag to obtain the calcium carbide slag with the water content of 40%; (2) performing granulation of the calcium carbide slag treated by the step (1) by use of a pelletizer to prepare round balls of 5-20mm; (3) drying the prepared calcium carbide round balls with a hot air flow of 350 DEG C; and (4) burning the dried calcium carbide round balls at 900-1100 DEG C into the high activity lime. According to the method, after deslagging of the calcium carbide slag, the content of the obtained high activity lime is higher than the content of the high activity lime produced by natural lime, and the method can change waste materials into things of value.

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Номер записи: 6
29-12-2010 дата публикации

Reducing agent produced by electrolytic manganese liquid-preparing waste residue and productive technology of electrolytic manganese mother solution

Номер: CN0101928835A
Автор: DEHUAN ZHANG, TIESHI TANG, ZHANG DEHUAN, TANG TIESHI
Принадлежит:

The invention discloses a reducing agent produced by electrolytic manganese liquid-preparing waste residue and a productive technology of an electrolytic manganese mother solution and relates to a treatment technology of the electrolytic manganese liquid-preparing waste residue and a technology for producing manganese sulfate by using low-grade manganese dioxide ore. The technology comprises the following steps: (1) adding sulfuric acid to the electrolytic manganese liquid-preparing waste residue for preparing sulfate liquor; (2) preparing intermediate product ammonium sulfide liquor; and (3) adding the sulfate liquor to the ammonium sulfide liquor to generate black sediment, isolating high-active reducing agent by filter pressing, and applying metal sulfide high-active reducing agent to reduction of the low-grade manganese dioxide ore. After utilizing and treating the electrolytic manganese liquid-preparing waste residue, any metal salt compound capable of being soluble in water and acid ...

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Номер записи: 7
30-03-2011 дата публикации

Complex desulfurizer and manufacturing method

Номер: CN0101724734B
Автор: LI MINGSHUN, TANG TIESHI, MINGSHUN LI, TIESHI TANG
Принадлежит:

The invention relates to a formula for a complex liquid steel (iron) desulfurizer and a manufacturing method. The liquid steel (iron) desulfurizer is added if sulphur content is required to be lowered in iron and steel smelting. The formula in the invention comprises the following components: 80-85% of passivated active lime powder, 7-10% of fluorite powder, 3-5% of aluminum powder, 2-4% of calcium carbide powder and 0.5-2% of passivated magnesium powder. The above raw materials are mixed and stirred evenly according to the formula, and prepared into compound grains by granulation equipment, wherein the grain size of the compound grain is 0.5-1.2mm.Compared with the common calcium oxide desulfurizer, the desulfurizer in the invention can improve the desulfurization effect by over 35%.

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Номер записи: 8