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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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Форма поиска

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 10. Отображено 10.
25-07-2012 дата публикации

System and method for controlling blowing out of reduction furnace in production of polycrystalline silicon

Номер: CN102608913A
Автор: Chen Lin, Qi Linxi, Liu Zhanqing, Tao Maojun
Принадлежит:

The invention relates to a system and a method for controlling blowing out of a reduction furnace in the production of polycrystalline silicon. The blowing out control system comprises a magnetic force calculation module, a stress calculation module, a blowing out optimizing module and a control module, wherein the magnetic force calculation module is used for calculating maximum magnetic force when a silicon rod completely grows; the stress calculation module is used for calculating a minimum release stress when the silicon rod completely grows; the blowing out optimizing module is used for calculating blowing out optimizing time and blowing out optimizing temperature based on the maximum magnetic force that the silicon rod is suffered, and the minimum release stress of the silicon rod by utilizing an optimization algorithm; and the control module is used for controlling blowing out of the reduction furnace based on the calculated blowing out optimizing time and blowing out optimizing ...

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Номер записи: 1
18-07-2012 дата публикации

Smoke spraying and purifying heat recovery system of gas boiler as well as gas and fuel oil burning device

Номер: CN102588989A
Автор: Zhang Qing, Zhang Zhendong, Zhu Rong, Wan Quan, Liu Zhanqing, Pu Ting, Wang Bin, Tian Yuzhong, Liu Ying, Wu Fei, Liu Changlin
Принадлежит:

The invention discloses a smoke spraying and purifying heat recovery system of a gas boiler as well as a gas and fuel oil burning device, and belongs to the technical field of the configuration of devices for processing smoke and waste gas. The smoke spraying and purifying heat recovery system comprises a smoke pipeline which is internally provided with a baffle plate; a smoke exhaust channel and the smoke pipeline are communicated; the smoke exhaust channel is connected with a smoke residual heat recycling device; the right end of the smoke pipeline is connected with an extended cooling smoke channel; the right end of the smoke pipeline and the left end of the extended cooling smoke channel are respectively communicated with a first spraying chamber and a second spraying chamber; the other end of the extended cooling smoke channel is connected with a chimney; the smoke pipeline and the extended cooling smoke channel are internally provided with a temperature controller respectively; a ...

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Номер записи: 2
06-03-2013 дата публикации

Large vacuum heat-insulation liquid hydrogen transportation device

Номер: CN102954342A
Автор: Qiu Xiaolin, Zhou Fengguang, Chen Hong, Liu Zhanqing, Sun Yadu, Li Zhiqiang, Song Daohong, Zhu Xinsheng, Dou Zhongting, Xing Kewei, Mu Shan, Zheng Mingqiang, Hao Yinming
Принадлежит:

The invention provides a large vacuum heat-insulation liquid hydrogen transportation device. The invention aims at solving a defect that with small transportation capacity and high safeguard requirements of existing rail transportation methods, a demand of short-distance large-capacity transport cannot be satisfied. The device provided by the invention comprises a low-temperature vacuum multi-layer insulation-structured 300m<3> liquid hydrogen storage tank and an automatic multi-mode steering transportation vehicle. The low-temperature vacuum multi-layer insulation-structured 300m<3> liquid hydrogen storage tank is arranged on the automatic multi-mode steering transportation vehicle. The large vacuum heat-insulation liquid hydrogen transportation device provided by the invention has functions of liquid hydrogen short-distance transportation, long-time storage, trans-filling, and filling. The large vacuum heat-insulation liquid hydrogen transportation device has the characteristics of large ...

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Номер записи: 3
13-02-2013 дата публикации

Feeding system for polycrystalline silicon production, and method thereof

Номер: CN102923709A
Автор: Qi Linxi, Chen Lin, Liu Zhanqing
Принадлежит:

The invention relates to a feeding system for a polycrystalline silicon production reduction furnace, and a method thereof. The system comprises: a hydrogen heater for heating hydrogen; a trichlorosilane vaporizer used for vaporizing a trichlorosilane liquid into a trichlorosilane gas; at least first second mixers, wherein each of the mixers is connected with the hydrogen heater and the trichlorosilane vaporizer and respectively receive heated hydrogen and the trichlorosilane gas, the first mixer mixes the received hydrogen and the trichlorosilane gas according to a first preset ratio to form a first feeding gas mixture, and the second mixer mixes the received hydrogen and the trichlorosilane gas according to a second preset ratio to form a second feeding gas mixture; and at least first and second reduction furnaces, wherein the at least first and second reduction furnaces are in fluid communication with the at least first and second mixers respectively to make the first mixer supply the ...

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Номер записи: 4
25-12-2013 дата публикации

Inflatable swirl stirring device

Номер: CN103465366A
Автор: Yang Mingxia, Liu Zhanqing
Принадлежит:

The invention relates to the field of foundation construction of civil construction, and in particular to an inflatable swirl stirring device. The device comprises stirring mechanisms and a water tank connected with the stirring mechanisms. Each stirring mechanism comprises a slurry mixing tank with a grout outlet, a slurry pump arranged in the slurry mixing tank and a water pipe arranged in the slurry mixing tank. The water pipe comprises two water outlets located in the slurry mixing tanks, and one of the water outlets is connected with the slurry pump; and the water inlet of the water pipe is connected with the water tank. The stirring device is characterized in that: the water pipe also comprises an opening in the stirring tank; the opening is connected with a gas conveying pipe; and the other one end of the gas conveying pipe is connected with a gas generating apparatus. Adopting the above design, gas enters into a necking water pipe through the gas conveying pipe, and together with ...

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Номер записи: 5
19-09-2012 дата публикации

Method and system for producing polysilicon

Номер: CN102674358A
Автор: Qi Linxi, Chen Lin, Liu Zhanqing
Принадлежит:

Disclosed are a method and a system for producing polysilicon. The method includes providing a silicon source consisting of trichlorosilane and dichlorosilane; heating the silicon source to form trichlorosilane gas and dichlorosilane gas; providing hydrogen; enabling the trichlorosilane gas and dichlorosilane gas to be mixed with the hydrogen; providing a reduction furnace with a silicon core; and introducing the trichlorosilane gas, dichlorosilane gas and the hydrogen which are mixed into the reduction furnace, setting the pressure of the gas in the reduction furnace to range from 0.4Mpa to 0.6Mpa and the temperature of the silicon core to range from 1080 DEG C to 1150 DEG C, and accordingly preparing the polysilicon on the silicon core by means of reduction. The proportion of the trichlorosilane to the dichlorosilane in the silicon source ranges from 20:1 to 30:1. The trichlorosilane and the dichlorosilane which are refined enter the reduction furnace in a specific proportion, accordingly ...

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Номер записи: 6
06-03-2013 дата публикации

Pressurization system of low-temperature heat-insulation storage tank

Номер: CN102954345A
Автор: Chen Hong, Zhou Fengguang, Liu Zhanqing, Xing Kewei, Fu Changhai, Lei Gang, Zeng Hao, Zhang Chuannong, Sun Qingguo, Liu Yanyun, Shu Anyuan, Jiang Yanming
Принадлежит:

The invention provides a pressurization system of a low-temperature heat-insulation storage tank. The system comprises a self-pressurization system, an external air source pressurization system, and an in-tank pressurization exhaust pipe. The self-pressurization system comprises a low-temperature shutoff valve, a low-temperature regulation vale, a self-pressurization device, and an exhaust pipe, which are communicated sequentially. The low-temperature shutoff valve end communicates with a storage tank liquid outlet, and the exhaust pipe end communicates with the in-tank pressurization exhaust pipe. The external air source pressurization system comprises an external air source inlet pipe and a shutoff valve. One end of the shutoff valve communicates with the external air source inlet pipe, and the other end of the shutoff valve communicates with the exhaust pipe. The pressurization system provided by the invention has both self-pressurization and external air source pressurization functions ...

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Номер записи: 7
17-10-2012 дата публикации

Energy utilization in polysilicon hydrogenation process

Номер: CN102730691A
Автор: Qi Linxi, Liu Zhanqing, Guo Jinqiang, Wang Xiaoliang, Chen Jie, Xing Shiyi
Принадлежит:

The invention provides a method for utilizing energy in polysilicon cold-hydrogenation process, which improves the traditional cold-hydrogenation process and recycles the reaction heat to realize the effect of reducing the energy consumption. The method comprises the following steps: silicon tetrachloride liquid and hydrogen gas are introduced in a tubular vaporizer and mixed, and then enter a quenching pipe; the heat exchange is implemented for the mixed gas entering the quenching pipe and the reaction generated gas coming from a hydrogenation reactor; the mixed gas enters in an electric heater and is electrically heated, and then enters the hydrogenation reactor to react with silicon powders in the reactor; after the heat exchange of the reaction generated gas is implemented, the reaction generated gas enters a Venturi scrubber, and the silicon powder particles obtained by washing and a little chloro-silicane residual pulp are periodically discharged to a residual pulp tank; the gas which ...

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Номер записи: 8
19-09-2012 дата публикации

Method and system for preparing trichlorosilane

Номер: CN102674368A
Автор: Chen Lin, Qi Linxi, Liu Zhanqing
Принадлежит:

The invention discloses a method and a system for preparing trichlorosilane. The method comprises the steps of providing a hydrogenation reactor having a first inlet, a second inlet, a third inlet and an outlet; heating a mixture of silicon tetrachloride and hydrogen to a temperature of 590-610 DEG C; introducing the heated mixed gas of silicon tetrachloride and hydrogen into the first inlet of the hydrogenation reactor; introducing dichlorosilane in a gaseous state into the second inlet of the hydrogenation reactor; introducing silicon powders into the third inlet of the hydrogenation reactor; exporting hydrogenation reaction products comprising hydrogen, dichlorosilane, trichlorosilane and silicon tetrachloride from the outlet of the hydrogenation reactor; and purifying and separating trichlorosilane from the hydrogenation reaction products. The method enables a reaction rate to be increased, and thus the production efficiency is improved. Furthermore, dichlorosilane is separated from ...

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Номер записи: 9
04-07-2012 дата публикации

Method for converting structural text language into trapezoidal graph language

Номер: CN102541514A
Автор: Yu Haoming, Liu Wei, Liu Zhanqing
Принадлежит:

The invention relates to a method for converting a structural text language into a trapezoidal graph language, which comprises the following steps of performing equivalent standard treatment on structural text logic statement according to the international electrotechnical commission (IEC) 61131-3 standard; determining a layer of each element in brackets which the element is located in and determining logical operators in the front and at the back are 'AND' or 'OR' according to the structural text logic statement after the standard treatment, performing one-to-one location of the elements in a text in a two-dimensional coordinate in a trapezoidal graph according to the corresponding primitive of the elements; converting the elements in the structural text after location into immediate codes, enabling an immediate code of each element to comprise primitive types, primitive coordinate and parameter information, and utilizing each written functional function for drawing the trapezoidal graph ...

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Номер записи: 10