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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 13. Отображено 13.
07-09-2011 дата публикации

Coagulating salt for potassium salt solid mine backfilling and manufacturing method thereof

Номер: CN0102173724A
Автор: XUEYING XIAO, ZHIHONG ZHANG, JIDONG WANG, HUAIDE CHENG, CHENGGONG CHANG, QUANYOU ZHANG, RU DONG, SHENGFA DONG, YANFANG MA, XIAO XUEYING, ZHANG ZHIHONG, WANG JIDONG, CHENG HUAIDE, CHANG CHENGGONG, ZHANG QUANYOU, DONG RU, DONG SHENGFA, MA YANFANG
Принадлежит:

The invention relates to a coagulating salt for potassium salt solid mine backfilling and a manufacturing method thereof. The manufacturing method comprises the following steps: 1. preparing a magnesium chloride saturated solution; 2. evenly mixing 1.00 part by mass of magnesium oxide, 0.80-1.20 parts by mass of magnesium chloride saturated solution, 1.00-15.00 parts by mass of sodium chloride particle in tailings and 1.00-12.00 parts by mass of magnesium chloride particle in tailings to form a slurry; 3. casting the slurry, and curing to form; and 4. curing at ambient temperature under the humidity of lower than 70% for 6-12 hours to obtain the coagulating salt. By manufacturing the coagulating salt with a certain strength from magnesium oxide and a great deal of tailings containing sodium and magnesium salts, the invention has the advantages of simple manufacturing process, low cost and wide sources of magnesium oxide, can maximally backfill the tailings into the mine, meets the requirement ...

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Номер записи: 1
25-05-2011 дата публикации

Method for preparing magnesium cement with partial thermal decomposition of bischofite

Номер: CN0101318785B
Автор: YONGSHENG DU, MINGZHEN LI, YAN HUO, YUAN ZHOU, XUEYING XIAO, QINGGUO SUN, SHIDONG WANG, DU YONGSHENG, LI MINGZHEN, HUO YAN, ZHOU YUAN, XIAO XUEYING, SUN QINGGUO, WANG SHIDONG
Принадлежит:

The invention provides a method for preparing magnesium cement from magnesium chloride by partial pyrolysis. The method comprises the following steps: salt lake bischofite or salt lake brine is put in pyrolysis equipment, the decomposition temperature is between 450 and 750 DEG C, the decomposition time is between 5 and 90 minutes; the bischofite is subjected to the partial pyrolysis to obtain solid products containing magnesia and the magnesium chloride; and the solid products are mixed with water to be pasty so as to obtain the chlorine oxygen magnesium cement, and the mol ratio of MgO to MgCl2 of which is between 4 to 1 and 6 to 1. Compared with the prior process for preparing the magnesium cement, in the method of the invention, the light calcinated magnesia does not need to be stirred with a magnesium chloride solution to form the magnesium cement, but the bischofite or the brine directly undergoes the pryolysis and then is mixed with water to form the magnesium cement, therefore the ...

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Номер записи: 2
10-12-2008 дата публикации

Method for preparing magnesium cement with partial thermal decomposition of bischofite

Номер: CN0101318785A
Автор: QINGGUO SUN, YAN HUO, YONGSHENG DU, SHIDONG WANG, YUAN ZHOU, MINGZHEN LI, XUEYING XIAO, SUN QINGGUO, HUO YAN, DU YONGSHENG, WANG SHIDONG, ZHOU YUAN, LI MINGZHEN, XIAO XUEYING
Принадлежит:

The invention provides a method for preparing magnesium cement from magnesium chloride by partial pyrolysis. The method comprises the following steps: salt lake bischofite or salt lake brine is put in pyrolysis equipment, the decomposition temperature is between 450 and 750 DEG C, the decomposition time is between 5 and 90 minutes; the bischofite is subjected to the partial pyrolysis to obtain solid products containing magnesia and the magnesium chloride; and the solid products are mixed with water to be pasty so as to obtain the chlorine oxygen magnesium cement, and the mol ratio of MgO to MgCl2 of which is between 4 to 1 and 6 to 1. Compared with the prior process for preparing the magnesium cement, in the method of the invention, the light calcinated magnesia does not need to be stirred with a magnesium chloride solution to form the magnesium cement, but the bischofite or the brine directly undergoes the pryolysis and then is mixed with water to form the magnesium cement, therefore the ...

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Номер записи: 3
14-09-2011 дата публикации

Dolomite magnesia cement garden landscape craft product and preparation method thereof

Номер: CN0102180057A
Автор: XUEYING XIAO, HAINING SONG, YONGYAN WANG, JIDONG WANG, RU DONG, QUANYOU ZHANG, CHENGGONG CHANG, QINGGUO SUN, YAN HUO, GUANWEI LI, XIAO XUEYING, SONG HAINING, WANG YONGYAN, WANG JIDONG, DONG RU, ZHANG QUANYOU, CHANG CHENGGONG, SUN QINGGUO, HUO YAN, LI GUANWEI
Принадлежит:

The invention relates to a preparation method of a garden landscape craft product, in particular to a dolomite magnesia cement garden landscape craft product and a preparation method thereof. The preparation method comprises the following steps of: brushing silica gel feed liquor on a copy object; reinforcing the outside of a cured silica gel layer by using a layer of setting material to manufacture a silica gel mold; putting caustic dolomite powder, magnesium chloride, a light filler, an inert filler, an inorganic pigment and water in a mass ratio of 1.00:(0.12-0.40):(0.10-0.60):(0.05-0.30):(0.01-0.05):(0.44-1.20) into a stirrer to form dolomite magnesia cement slurry; and coating the slurry on the silica gel mold, curing for 18 to 24 hours, maintaining at the temperature of between 10 and 40 DEG C and the relative air humidity of less than 80 percent for 3 to 5 days, cutting, trimming, and maintaining for 10 to 20 days to obtain a finished product. The product and the method can be widely ...

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Номер записи: 4
07-09-2011 дата публикации

Coagulation salt block for sylvite solid mine backfilling and manufacturing method thereof

Номер: CN0102173725A
Автор: XUEYING XIAO, ZHIHONG ZHANG, HUAIDE CHENG, JIDONG WANG, QUANYOU ZHANG, CHENGGONG CHANG, RU DONG, SHENGFA DONG, YANFANG MA, XIAO XUEYING, ZHANG ZHIHONG, CHENG HUAIDE, WANG JIDONG, ZHANG QUANYOU, CHANG CHENGGONG, DONG RU, DONG SHENGFA, MA YANFANG
Принадлежит:

The invention relates to a sylvite solid mine backfilling technology, in particular to a manufacturing method of a coagulation salt for sylvite solid mine backfilling. The manufacturing method of the coagulation salt for the sylvite solid mine backfilling comprises the following steps of: mixing and uniformly stirring magnesium oxide, a magnesium chloride saturated solution and sodium chloride salt particles contained in tailings according to the mass ratio of 1.00:(0.80-1.20):(5.00-15.00) to form a first slurry; also mixing and uniformly stirring the magnesium chloride saturated solution and the sodium chloride salt particles according to the mass ratio of 1.00:(8.00-15.00) to form a second slurry; finally pouring the first slurry and the second slurry, carrying out press forming, and then solidifying for 12-24 hours; and conserving under the condition that environmental temperature and humidity is less than 70 percent to prepare a coagulation salt block, wherein the coagulation salt block ...

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Номер записи: 5
04-05-2011 дата публикации

Light dolomite magnesium cement partition plate and manufacturing method thereof

Номер: CN0102040365A
Автор: XUEYING XIAO, YONGYAN WANG, QUANYOU ZHANG, CHENGGONG CHANG, JIDONG WANG, MINGYING WANG, JILONG HAN, SHIDONG WANG, XIAO XUEYING, WANG YONGYAN, ZHANG QUANYOU, CHANG CHENGGONG, WANG JIDONG, WANG MINGYING, HAN JILONG, WANG SHIDONG
Принадлежит:

The invention relates to a light dolomite magnesium cement partition plate and a manufacturing method thereof, and belongs to the field of chemical building materials. The light dolomite magnesium cement partition plate consists of caustic dolomite powder, magnesium chloride, light filler, inert filler, water and a heat insulating material in a mass ratio of 1.00:(0.12-0.40):(0.10-0.60):(0.05-0.30):(0.44-1.20):(0.05-0.30); and an appropriate amount of reinforcing material is added into the materials; and the manufacturing method of the light dolomite magnesium cement partition plate comprises the following steps of: stirring and mixing slurry, molding and solidifying, and curing. The light dolomite magnesium cement partition plate for building, which is produced by the manufacturing method, has the advantages of fire protection, heat preservation, high strength and water tolerance, anticorrosion, vibration resistance, sound insulation, easiness in construction, environmental-friendliness ...

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Номер записи: 6
11-05-2011 дата публикации

Dolomite magnesium cement concrete and preparation method thereof

Номер: CN0102050614A
Автор: XUEYING XIAO, JIDONG WANG, QUANYOU ZHANG, CHENGGONG CHANG, YONGYAN WANG, QINGGUO SUN, YAN HUO, HUIJUAN WANG, MINGYING WANG, XIAO XUEYING, WANG JIDONG, ZHANG QUANYOU, CHANG CHENGGONG, WANG YONGYAN, SUN QINGGUO, HUO YAN, WANG HUIJUAN, WANG MINGYING
Принадлежит:

The invention discloses dolomite magnesium cement concrete and a preparation method thereof, belonging to the field of chemical industry buildings. The dolomite magnesium cement concrete is composed of the components of caustic dolomite powder, magnesium chloride, sand, stone, inert filler and water in the mass ratio of 1.00:(0.12-0.29):(0-3.0):(0-6.0):(0.10-0.3):(0.44-0.87). The manufacture method comprises the following steps of stirring slurry, shaping, solidifying and curing. In the manufacture method, caustic dolomite powder with better activity is adopted to prepare the dolomite magnesium cement concrete, and dolomite ore resource is widely distributed and can be obtained conveniently, which lowers production cost of the dolomite magnesium cement concrete and expands the application range of the magnesium cement material. The dolomite magnesium cement concrete prepared by the manufacture method has the characteristics of high intensity, strong gelatinization performance, strong durability ...

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Номер записи: 7
22-06-2011 дата публикации

Magnesium cement foam material

Номер: CN0102101787A
Автор: YONGSHENG DOU, JILONG HAN, MINGZHEN LI, XUEYING XIAO, YUAN ZHOU, QINGGUO SUN, YAN HUO, DOU YONGSHENG, HAN JILONG, LI MINGZHEN, XIAO XUEYING, ZHOU YUAN, SUN QINGGUO, HUO YAN
Принадлежит:

The invention relates to a magnesium cement foam material which is prepared by the following steps: mixing 10-90 wt% of light-burnt magnesium oxide powder, 5-89 wt% of filler and 0.8-10% of compound foaming agent, and mixing with a magnesium chloride solution which accounts for 100-150 wt% of the mixture; and evenly stirring, casting and forming to obtain the magnesium cement foam material. The invention can effectively lower the load of the buildings, has favorable thermal insulation property, and can be widely used for building blocks, heat engineering equipment, and various ventilating ducts and industrial ducts in industrial and civil buildings.

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Номер записи: 8
07-09-2011 дата публикации

Dolomite magnesium cement composite ventilating duct and manufacturing method thereof

Номер: CN0102173723A
Автор: XUEYING XIAO, YONGYAN WANG, JIDONG WANG, RU DONG, CHENGGONG CHANG, QUANYOU ZHANG, QINGGUO SUN, YAN HUO, GUANWEI LI, XIAO XUEYING, WANG YONGYAN, WANG JIDONG, DONG RU, CHANG CHENGGONG, ZHANG QUANYOU, SUN QINGGUO, HUO YAN, LI GUANWEI
Принадлежит:

The invention relates to a dolomite magnesium cement composite ventilating duct and a manufacturing method thereof. The manufacturing method comprises the following steps: taking out 1.00 part by mass of caustic dolomite powder, 0.12-0.40 part by mass of magnesium chloride, 0.10-0.60 part by mass of light filler, 0.05-0.30 part by mass of inert filler, 0.44-1.20 parts by mass of water and 0.05-0.15 part by mass of heat insulating material; dissolving the magnesium chloride in water to form a magnesium chloride solution, and mixing the solution with the caustic dolomite powder, light filler, inert filler and heat insulating material to form a slurry; injecting the slurry into a mold, laying a proper amount of reinforcing material, curing for 18-24 hours, and demolding; and after demolding, curing at 10-40 DEG C under the relative humidity of air of lower than 80% for 20-28 days. The ventilating duct has the advantages of fire resistance, heat insulation, high strength, favorable durability ...

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Номер записи: 9
18-05-2011 дата публикации

Light dolomite magnesium cement block, baking and steaming-free brick and manufacture method thereof

Номер: CN0102060503A
Автор: XUEYING XIAO, CHENGGONG CHANG, QUANYOU ZHANG, YONGYAN WANG, JIDONG WANG, QINGGUO SUN, JILONG HAN, MINGYING WANG, XIAO XUEYING, CHANG CHENGGONG, ZHANG QUANYOU, WANG YONGYAN, WANG JIDONG, SUN QINGGUO, HAN JILONG, WANG MINGYING
Принадлежит:

The invention discloses a light dolomite magnesium cement block, a baking and steaming-free brick and a manufacture method thereof, belonging to the field of chemical engineering buildings. The light dolomite magnesium cement block and the baking and the steaming-free brick are composed of the following components of caustic dolomite powder, magnesium chloride, a light filler, an inert filler, water and a heat insulating material with the mass ratio of 1.00: (0.25-0.40): (0.50-1.0): (0.05-0.30): (0.60-1.20): (0.10-0.50). The manufacture method comprises the following steps of stirring slurry, shaping and curing. The caustic dolomite powder with good activity is adopted to manufacture the block and the baking and steaming-free brick, which can expand the application range of the magnesium cement materials and has an important meaning for developing economy for each region and saving a great quantity of woods for our country. The light block and the baking and steaming-free brick produced ...

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Номер записи: 10
27-04-2011 дата публикации

Method for producing caustic dolomite used as raw material of magnesia cement from dolomite ore

Номер: CN0102030488A
Автор: Xiao Xueying, Wang Yongyan, Wang Jidong, Chang Chenggong, Liu Guangzhi, Zhang Quanyou, Zhang Zhihong, Zhou Yuan, Sun Qingguo, Li Fafu, Wang Mingying, Li Guanwei
Принадлежит:

The invention relates to a method for producing caustic dolomite used as a raw material of magnesia cement from dolomite ore, belonging to the field of inorganic chemical building materials. The method is characterized by comprising the steps of dolomite ore crushing -> carbon dioxide positive pressure roasting -> cooling -> grinding -> packaging. The caustic dolomite produced by the production method has high activity and completely meets the requirements for being used as a raw material to prepare magnesia cement, and the prepared magnesia cement has great strength; measurements on the magnesia cement prepared from the caustic dolomite together with magnesium chloride show that MgO is not less than 18%, CaO is not more than 2.0%, initial setting time is not less than 40 min, final setting time is not more than 7 h, stability is qualified, and the compression strength of pure slurry is not less than 40 MPa. In the invention, dolomite resources are fully utilized as the raw material of ...

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Номер записи: 11
18-05-2011 дата публикации

Dolomite magnesium cement inner and outer wall fireproof decoration board and preparation method thereof

Номер: CN0102060501A
Автор: XUEYING XIAO, YONGYAN WANG, CHENGGONG CHANG, QUANYOU ZHANG, JIDONG WANG, MINGYING WANG, YAN HUO, YONGSHENG DOU, XIAO XUEYING, WANG YONGYAN, CHANG CHENGGONG, ZHANG QUANYOU, WANG JIDONG, WANG MINGYING, HUO YAN, DOU YONGSHENG
Принадлежит:

The invention relates to a dolomite magnesium cement inner and outer wall fireproof decoration board and a preparation method thereof, belonging to the chemical building material field. The decoration board contains caustic dolomite powder, magnesium chloride, light filler, inert filler, water and thermal insulation material, wherein the weight ratio of caustic dolomite powder to magnesium chloride to light filler to inert filler to water to thermal insulation material is 1.00:(0.12-0.40):(0.10-0.60):(0.05-0.30):(0.44-1.20):(0.05-0.30) and a defined amount of reinforced material is added. The preparation method comprises the following steps: mixing slurry, shaping and curing, and maintaining. The building inner and outer wall fireproof decoration board prepared by the method in the invention has the following advantages: the decoration board is fireproof, heat-insulated, corrosion-resistant, shockproof, environmentally friendly and energy-saving and has high strength, good water resistance ...

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Номер записи: 12
11-05-2011 дата публикации

Dolomite magnesia cement pantile and manufacturing method thereof

Номер: CN0102050615A
Автор: XUEYING XIAO, FAFU LI, QUANYOU ZHANG, CHENGGONG CHANG, JIDONG WANG, ZHIHONG ZHANG, SHENGFA DONG, HUIJUAN WANG, YANFANG MA, MINGYING WANG, XIAO XUEYING, LI FAFU, ZHANG QUANYOU, CHANG CHENGGONG, WANG JIDONG, ZHANG ZHIHONG, DONG SHENGFA, WANG HUIJUAN, MA YANFANG, WANG MINGYING
Принадлежит:

The invention relates to a dolomite magnesia cement pantile and a manufacturing method thereof, which belongs to the field of chemical and building materials. The dolomite magnesia cement pantile comprises caustic dolomite powder, magnesium chloride, a light filler, an inert filler, water and a thermal insulating material, the mass ratio of which is 1.00:0.12 to 0.40:0.10 to 0.60:0.05 to 0.30:0.44 to 1.20:0.05 to 0.30, and a supporting material is properly added. The manufacturing method comprises the following steps of slurry mixing, shaping, curing and maintaining. The produced dolomite magnesia cement pantile for buildings has the advantages of fire protection, thermal insulation, high strength, good water resistance, anticorrosion, shock prevention, easiness in construction, environmental protection, energy conservation, simple production process, low energy consumption and the like, is an updated product for replacing various color steel light partition wall boards, silicate cement ...

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Номер записи: 13