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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 19. Отображено 19.
11-03-2015 дата публикации

Method for producing magnesium sulfate monohydrate and magnesium sulfate heptahydrate on one production line at the same time

Номер: CN104402026A
Автор: WANG LANJUN, TIAN LIPENG, XU TAO, JING XIAOBING, ZHOU XINGUO, SU GANG, ZHANG SHUYANG, LI SHENG, WU XIANGQIAN
Принадлежит:

The invention mainly relates to a combined production technology of magnesium sulfate salts and overcomes defects of high energy consumption, serious pollution and a strong corrosivity during a production process of the magnesium sulfate salts. In the production technology, magnesium sulfate monohydrate is produced through a thermal-crystallization method and solid-liquid separation is achieved through a ceramic filtering technology so that a difficult technical problem of the solid-liquid separation in production of the magnesium sulfate monohydrate through the thermal-crystallization method is effectively overcome. A mother liquid is subjected to crystallization through a continuous crystallizer for combined production of magnesium sulfate heptahydrate so that the two magnesium sulfate products can be produced on one production line at the same time. The method can shorten processes in a production technology in the prior art, can simplify a production process, can reduce energy consumption ...

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Номер записи: 1
16-04-2014 дата публикации

Phosphogypsum-based early strength cementitious material of rod mill sand filler

Номер: CN103723986A
Автор: YANG ZHIQIANG, GAO QIAN, YAO WEIXIN, BA DUOHENG, WANG YONGDING, XUE GAILI, TIAN LIPENG, MA BIN
Принадлежит:

The invention discloses a phosphogypsum-based early strength cementitious material of a rod mill sand filler. The invention discloses a cementing material for mining aiming at the rod mill sand filler. The cementing material comprises the following raw materials by mass percent: 4-7% of calcium oxide, 35-45% of phosphogypsum, 4-6% of an accelerator and 42-57% of slag power. Meanwhile, the invention discloses filling slurry prepared by using the cementing material, the rod mill sand filler and running water, wherein the mass ratio of the cementing material to the rod mill sand filler is 1:4, and the mass percent of the running water is 22%. The filling body prepared by using the method is high in strength, especially high in early strength and low in cost.

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Номер записи: 2
28-01-2015 дата публикации

Praseodymium molybdate based solid electrolyte material and preparation method thereof

Номер: CN104310480A
Автор: REN ZHIHUA, TIAN LIPENG, YU XINNING
Принадлежит:

The invention discloses a praseodymium molybdate based solid electrolyte material and a preparation method thereof. The electrolyte material has chemical formula of Pr2-xAxMo2-yByO9, wherein A is a Pr site doping element, x satisfies the relation of 0 Подробнее

Номер записи: 3
30-04-2014 дата публикации

Thick and large mineral deposit stage subsequent filling method mining piecewise optimization design and implementation method

Номер: CN103758519A
Автор: YANG ZHIQIANG, GAO QIAN, GUO HUIGAO, WANG YOUTUAN, LI MAOHUI, CHEN JIE, TIAN LIPENG, HOU CHUNHUA
Принадлежит:

The invention provides a thick and large mineral deposit stage subsequent filling method mining piecewise optimization design and implementation method. Stope structure type selection and parameter optimization design are sequentially performed from top to bottom against mineral rock conditions in the current stage, an orthogonal numerical experiment and nonlinear regression fit are adopted, the using amount of a cementing material filled in a stope of a stage subsequent filling mining panel is taken as an optimization target, the stability safety coefficient of the stope, a movement parameter of a ground rock stratum and the recovery rate of ore are taken as constraint conditions, a design optimization model of the stage subsequent filling stope is established and resoled, and subsequent filling mining design parameters of the current stage are further obtained. The piecewise optimization design and implementation method provided by the invention can adapt to the differences in stability ...

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Номер записи: 4
25-08-2023 дата публикации

Preparation method of modified submicron barium sulfate

Номер: CN116639723A
Автор: WU XIANGQIAN, TIAN LIPENG, GUO WANG, ZHANG ZHENG
Принадлежит:

The invention relates to the field of inorganic salt chemical industry, and particularly discloses a preparation method of modified submicron barium sulfate. The invention relates to a preparation method of modified submicron barium sulfate, which comprises the following steps: (1) weighing a certain amount of barium chloride at room temperature to prepare a solution with a certain concentration; and (2) adding cyclohexane diamine tetraacetic acid into the solution, fully stirring, adjusting the pH value of the system, dropwise adding a sulfate solution until white precipitate appears, continuously stirring for 1 hour, filtering, centrifuging, washing and drying to finally obtain barium sulfate. The method provided by the invention can be used for producing submicron barium sulfate, and the prepared barium sulfate has the advantages of hydrophobicity, lipophilicity and uniform dispersion.

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Номер записи: 5
17-06-2015 дата публикации

Preparation method of polyvinyl chloride/polyaniline composite conducting material

Номер: CN104710713A
Автор: PAN WEI, ZHANG XIAOJIE, QU LIANGJUN, TIAN LIPENG, GAO YANFEI, CHEN YAN, PEI HAIYAN, HUANG YUANHUI
Принадлежит:

The invention discloses a preparation method of a polyvinyl chloride/polyaniline composite conducting material, which comprises the following steps: (1) adding aniline into dioctyl phthalate, and uniformly stirring, so that mixed liquid is obtained; (2) putting polyvinyl chloride powder, a heat stabilizer and a lubricant into a high-speed mixer, uniformly stirring, slowly adding the mixed liquid obtained in the step (1) into the obtained object, stirring for 0.5-3 hours, so that the polyvinyl chloride powder fully absorbs the mixed liquid, and then a mixture is obtained; (3) putting the mixture obtained in the step (2) into a mold, and carrying out hot-pressing for 10-30 minutes in a flat vulcanizing bed, so that a polyaniline monomer containing polyvinyl chloride sheet is obtained; and (4) obtaining the polyvinyl chloride/polyaniline composite conducting material. The method disclosed by the invention organically combines the electrical properties of polyaniline and the excellent mechanical ...

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Номер записи: 6
23-06-2023 дата публикации

Production method of anhydrous sodium sulfide

Номер: CN116281875A
Автор: TIAN LIPENG
Принадлежит:

The invention relates to the field of inorganic salt chemical industry, in particular to a production method of anhydrous sodium sulfide, which comprises the following steps: adding Na2S. 5. 5H2O serving as a raw material into a double-cone rotary vacuum dryer at normal temperature, closing a feed port, starting a rotary system, vacuumizing a drying system through a dry screw vacuum pump, and drying to obtain the anhydrous sodium sulfide. And after the preset vacuum degree is reached, heating and preserving heat in stages according to a preset heating curve, and finally cooling and discharging under a high vacuum condition to obtain an anhydrous sodium sulfide finished product. According to the method, the characteristics of uniform heating and stirring and good sealing performance of the double-cone rotary vacuum drying machine are fully utilized, and suitable industrial equipment is found for preparing sodium sulfide through vacuum drying. According to the method, the dry screw vacuum ...

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Номер записи: 7
26-02-2014 дата публикации

Cross-scale complicated geologic body ground stress field identification method and device

Номер: CN103605900A
Автор: GAO QIAN, YANG ZHIQIANG, CHEN DEXIN, ZHAI SHUHUA, TIAN LIPENG, LEI YANG
Принадлежит:

The invention relates to a cross-scale complicated geologic body ground stress field identification method, and belongs to the technical field of geological engineering, rock mass engineering and numerical analysis. The cross-scale complicated geologic body ground stress field identification method comprises the following steps: an optimization model capable of identifying ground stress is established; a genetic algorithm is adopted for solving the optimization model so as to obtain protolith parameters and side pressure coefficients of a geologic body; the protolith parameters of the geologic body are substituted into a three-dimensional numerical model to obtain a stress field. A device used for implementing the method comprises an optimization model establishing module, a genetic algorithm calculation module and a ground stress field obtaining module, wherein the optimization model establishing module is used for establishing the optimization model capable of identifying the ground stress ...

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Номер записи: 8
09-02-2011 дата публикации

New process for preparing magnesium chloride hexahydrate by using high-magnesium brine

Номер: CN0101966998A
Автор: TAO XU, XIAOBING JING, LANJUN WANG, MINGQING JIA, LIPENG TIAN, ZHANBEI GAO, XU TAO, JING XIAOBING, WANG LANJUN, JIA MINGQING, TIAN LIPENG, GAO ZHANBEI
Принадлежит:

The invention discloses a new process for preparing magnesium chloride hexahydrate by using high-magnesium brine, relating to the preparation process of magnesium chloride hexahydrate and solving the problems of high evaporation temperature, difficult separation of high temperature salt and high energy consumption in the traditional process for producing the magnesium chloride hexahydrate. The novel process comprises the steps of: with high-magnesium brine as a raw material, oxidizing and decoloring at a temperature of 60-80 DEG C, directly adding into magnesium chloride dehydrate prepared by using industrial waste heat in advance through rotary flash evaporation to obtain mother liquor and high-temperature salt; and continuously adding the magnesium chloride dehydrate in the mother liquor to ensure that the magnesium chloride hexahydrate is directly crystallized from the liquor without evaporation. According to the invention, the industrial waste heat and residual heat are fully utilized ...

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Номер записи: 9
26-03-2014 дата публикации

Electric wire load test device

Номер: CN103675556A
Автор: TIAN LIPENG, LIU YAOZHOU, QIAO ZHENGLONG, YAO JIANGUO
Принадлежит:

The invention discloses an electric wire load test device, mainly comprising a box, and a control panel and a voltage regulator arranged in the box, wherein the control panel is electrically connected with the voltage regulator. The electric wire load test device provided by the invention can overcome defects of inconvenience in test and low quality reliability in prior art, and thus advantages of convenience to test and high quality reliability are achieved.

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Номер записи: 10
24-06-2015 дата публикации

Preparation method of polyvinyl chloride/ionic liquid/polyaniline conducting composite material

Номер: CN104725745A
Автор: PAN WEI, TIAN LIPENG, GAO YANFEI, LIU HONGYAN, QU LIANGJUN, HUANG YUANHUI
Принадлежит:

The invention discloses a preparation method of a polyvinyl chloride/ionic liquid/polyaniline conducting composite material, which comprises the following steps: (1) adding aniline into 1-butyl-3-methylimidazole hexafluorophosphate, and stirring uniformly to obtain a liquid mixture; (2) putting a polyvinyl chloride powder, a heat stabilizer and a lubricant into a high-speed mixer, stirring uniformly, and slowly adding the liquid mixture in the step (1) to obtain a mixture; (3) putting the mixture into a mold to obtain a polyaniline-monomer-containing polyvinyl chloride sheet; and (4) immersing the polyaniline-monomer-containing polyvinyl chloride sheet into an acid-doped water solution, reacting for 1-8 hours, and drying to obtain the polyvinyl chloride/ionic liquid/polyaniline conducting composite material. The method organically combines the electric properties of the polyaniline with the excellent mechanical properties of the polyvinyl chloride base. The prepared conducting plastic has ...

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Номер записи: 11
04-02-2015 дата публикации

Method for improving sodium sulfide solution concentration by leaching black ash for three times

Номер: CN104326499A
Автор: JING XIAOBING, ZHOU XINGUO, XU TAO, WANG LANJUN, ZHAO XIUPING, WU ZHOUSHENG, WU XIANGQIAN, LI SHENG, TIAN LIPENG, MING JIANGBO
Принадлежит:

The invention discloses industrialized application of a sodium-sulfide solution three-time black-ash (a product which is obtained by calcining barite and has the main composition barium sulfide) leaching technology to barium sulfate production industry, and concretely discloses a method for improving sodium sulfide solution concentration by leaching black ash for three times. The method comprises: using a sodium sulfide solution with the concentration of 4-5% to perform leaching on crushed black ash for three times, namely, performing precipitate separation on a solution subjected to first leaching to obtain a mother liquid I, using the mother liquid I to continue to perform secondary leaching on black ash, and performing secondary precipitate separation on the leached solution to obtain a mother liquid II, using the mother liquid II to performing third leaching, and performing precipitate separation on a solution subjected to third leaching to obtain a mother liquid III, using the mother ...

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Номер записи: 12
14-07-2023 дата публикации

Production method of sodium sulfide

Номер: CN116425121A
Автор: XU TAO, ZHANG SHUYANG, TIAN LIPENG, GUO WANG
Принадлежит:

The invention relates to the technical field of sodium sulfide production, and particularly discloses a sodium sulfide production method which comprises the following steps: S1, heating sodium sulfate to 890-900 DEG C under the condition of continuously introducing inert gas to completely melt the sodium sulfate to form liquid, then continuously introducing carbon suspension gas-solid mixed gas under the condition of continuously heating to react, and meanwhile, heating to 980-990 DEG C; s2, continuously introducing a reducing mixed gas for reaction under the condition of heat preservation, continuously introducing the gas for 30-50 minutes, standing for 10-20 minutes, discharging, and cooling to obtain a sodium sulfide product; the carbon suspension gas-solid mixed gas is a mixture of carbon powder, hydrogen and inert gas; the reducing mixed gas is a mixture of hydrogen and inert gas. The production method has the advantages of high conversion rate, high sodium sulfide purity, low side ...

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Номер записи: 13
01-08-2023 дата публикации

Refrigeration device for chemical production

Номер: CN116518644A
Автор: ZHANG SHUYANG, XU TAO, GUO WANG, TIAN LIPENG, ZHANG ZHENG
Принадлежит:

The invention relates to a refrigeration device for chemical production, and relates to the technical field of chemical refrigeration, the refrigeration device comprises a support frame, a raw material tank, a cooling tank, a mixing mechanism and a storage tank, the mixing mechanism comprises a stirring motor, a stirring shaft, a stirring frame and a cold air conveying device, the stirring frame and the stirring shaft are hollow, and the stirring frame is provided with an exhaust hole; one end of the stirring shaft communicates with the cold air conveying equipment, and one end of the stirring shaft is connected with the stirring motor which is used for driving the stirring shaft to rotate. According to the chemical raw material cooling device, cold air is blown into the cooling tank through the cooling treatment equipment, under the action of the stirring shaft and the stirring frame, the cooling air makes full contact with chemical raw materials, and the chemical raw materials can be ...

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Номер записи: 14
11-04-2023 дата публикации

Production method of anhydrous sodium sulfide

Номер: CN115947314A
Автор: TIAN LIPENG
Принадлежит:

The invention relates to the field of inorganic salt chemical industry, in particular to a production method of anhydrous sodium sulfide, which comprises the following steps of: adding Na2S. 5.5 H2O serving as a raw material into a rake type vacuum dryer at normal temperature, closing a feeding hole, starting a rotary system, vacuumizing a drying system by a vacuum pump, heating and preserving heat according to a preset heating requirement after a preset vacuum degree is reached, and cooling to room temperature to obtain the anhydrous sodium sulfide. And finally, cooling and discharging under a vacuum condition to obtain a sodium sulfide semi-finished product without most moisture, then putting the sodium sulfide semi-finished product into a microwave vacuum drying box for vacuum microwave drying and dehydration, cooling and discharging after the design requirement is met, and finally obtaining an anhydrous sodium sulfide finished product. According to the method, the characteristics of ...

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Номер записи: 15
21-05-2014 дата публикации

Binding material, filling slurry prepared by binding material as well as preparation method of filling slurry

Номер: CN103803927A
Автор: YANG ZHIQIANG, GAO QIAN, BA DUOHENG, LI MAOHUI, WANG YOUTUAN, TIAN LIPENG, CHEN JIE, XIAO BAILIN
Принадлежит:

The invention discloses a binding material for mining by a filling method. The binding material comprises the following components in percentage by mass: 4-6 percent of high-calcium lime, 16.5-18.5 percent of desulfurization ash residue, 2-3 percent of mirabilite and 72-75 percent of superfine slag powder. The binding material also can comprise sodium sulfite of which the mass percent is less than or equal to 1.5 percent. The invention also discloses mining filling slurry prepared from the binding material, rod milling sand fillers and running water, wherein a mass ratio of the binding material to the mining filling slurry is 1:4, and the mass percent of the running water is 22 percent. The mining filling slurry prepared by the method provided by the invention is high in filling strength and low in cost.

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Номер записи: 16
29-08-2023 дата публикации

Method for preparing barium sulfide black ash by microwave calcining method

Номер: CN116654875A
Автор: TIAN LIPENG
Принадлежит:

The invention relates to the field of barium sulfide black ash manufacturing, and particularly discloses a method for preparing barium sulfide black ash through a microwave calcination method. The method for preparing the barium sulfide black ash through the microwave calcination method comprises the following steps that S1, barium nitrate, an organic reducing agent and sulfur powder are prepared, the barium nitrate and the organic reducing agent are dissolved in deionized water respectively, then the two solutions are mixed and stirred to be uniform, after the sulfur powder is added, stirring and mixing are conducted again, and a mixture is obtained; s2, the mixture is subjected to draining treatment, redundant impurities are removed, then deionized water is used for repeated washing, and a pure solid sample is obtained; s3, carrying out microwave radiation heating on the obtained solid sample to obtain a BaCO3 precursor; s4, mixing the BaCO3 precursor with powdered sulfur according to ...

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Номер записи: 17
16-04-2014 дата публикации

Mining filling cementing material ratio decision-making method

Номер: CN103723967A
Автор: GAO QIAN, YANG ZHIQIANG, LIU YUQIANG, MA LONG, WANG YOUTUAN, LI MAOHUI, TIAN LIPENG, SU WEIJUN
Принадлежит:

The invention discloses a mining filling cementing material ratio decision-making method, relating to the field of mining technology. A uniform design experiment method and an orthogonal experiment are adopted to obtain orthogonal experiment data that the strength of a filling body is changed along with the change of ratio of gelatinizing agent; an artificial neural network model is adopted to perform information extension on finite orthogonal experiment data; a statistical regression and parameter fitting method is adopted to establish the function relationship of the cementing material ratio and the strength of the filling body, the strength of the filling body is used as an optimization object and the value range of the gelatinizing agent material is used as a constraint condition to establish a cementing material ratio optimization model; the optimization model is solved to obtain the optimal cementing material ratio scheme. The decision-making method can utilize the finite experiment ...

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Номер записи: 18
04-07-2012 дата публикации

New process for preparing magnesium chloride hexahydrate by using high-magnesium brine

Номер: CN0101966998B
Автор: TAO XU, XIAOBING JING, LANJUN WANG, MINGQING JIA, LIPENG TIAN, ZHANBEI GAO, XU TAO, JING XIAOBING, WANG LANJUN, JIA MINGQING, TIAN LIPENG, GAO ZHANBEI
Принадлежит:

The invention discloses a new process for preparing magnesium chloride hexahydrate by using high-magnesium brine, relating to the preparation process of magnesium chloride hexahydrate and solving the problems of high evaporation temperature, difficult separation of high temperature salt and high energy consumption in the traditional process for producing the magnesium chloride hexahydrate. The novel process comprises the steps of: with high-magnesium brine as a raw material, oxidizing and decoloring at a temperature of 60-80 DEG C, directly adding into magnesium chloride dehydrate prepared by using industrial waste heat in advance through rotary flash evaporation to obtain mother liquor and high-temperature salt; and continuously adding the magnesium chloride dehydrate in the mother liquor to ensure that the magnesium chloride hexahydrate is directly crystallized from the liquor without evaporation. According to the invention, the industrial waste heat and residual heat are fully utilized ...

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Номер записи: 19