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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 11. Отображено 11.
15-10-2014 дата публикации

Preparation method for white mineral-titanium dioxide composite powder pigment

Номер: CN104098932A
Автор: DING HAO, ZHOU HONG, HOU XIFENG, YU SHOUREN
Принадлежит:

The invention discloses a preparation method for a white mineral-titanium dioxide composite powder pigment. The white mineral-titanium dioxide composite powder pigment is prepared by firstly preparing slurries respectively from a white mineral powder and pigment-grade titanium dioxide with water, employing an organic modifier to perform surface modification, regulating the pH value, then uniformly mixing the prepared slurries, and performing strong stirring, press filtering and drying. The preparation method comprises the following advantages that 1) energy consumption is relatively low in the preparation process; 2) the surface of the prepared composite particle has hydrophobicity, and the particle is good in compatibility with organic matrix; 3) the preparation technology is simple, especially solid-liquid separation is easy to realize, and large-scale production is easy to realize; and 4) the production process is clean, no three wastes (waste gas, waste water and industrial residue) ...

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Номер записи: 1
19-08-2015 дата публикации

Sialon-MgAl2O4-SiC complex phase wear-resistant ceramic material and preparation method therefor

Номер: CN104844216A
Автор: HUANG JUNTONG, HOU XIFENG, WANG XIAOJUN, ZHANG SHANGDUO, CUI YINGWU
Принадлежит:

The present invention discloses a Sialon-MgAl2O4-SiC complex phase ceramic material and a preparation method therefor. As aluminum ash, magnesite and SiC are taken as raw materials, natural quartz powder services as an additive, and paper pulp dry powder, industrial dextrin or polyvinyl alcohol are taken as a bonding agent, the preparation method comprises the specific steps: firstly, the aluminum ash and the magnesite are subjected to ball milling to form mixed fine powder; secondly, SiC particles and fine powder are added into the mixed fine powder and uniformly agitated; a proper amount of the bonding agent is added and pressed into a blank; and the blank body is subjected to isostatic pressing treatment and drying, and is sintered in a high-temperature kiln under a nitrogen atmosphere so as to obtain the product. The Sialon-MgAl2O4-Sic complex phase wear resistant ceramic material prepared by adopting the method not only solves the problem of difficulty in sintering the SiC wear resistant ...

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Номер записи: 2
02-09-2009 дата публикации

Grounded failure detection and judgment of DC system

Номер: CN0101520484A
Автор: WANG PENG, ZHANG LIANBIN, YIN YUFANG, HOU XIFENG, ZHU JINGMING, WANG BING, LI HUI, YIN SHUFENG, LI DAPENG, ZHAO CHANGCHUN, PENG WANG, LIANBIN ZHANG, YUFANG YIN, XIFENG HOU, JINGMING ZHU, BING WANG, HUI LI, SHUFENG YIN, DAPENG LI, CHANGCHUN ZHAO
Принадлежит:

The problem of correctly selecting a wire on the branch of the grounded failure of a DC system of a power system is always the difficult problem of the power system. The difficulty of correct wire selection is caused by the integrated reason on multiple aspects. The safety and the reliability of the DC system influence the running of a power plant and a transforming plant and relates to the safe production of the entire power network. The grounded failure detection and judgment of the DC system of the invention reaches the level of increasing the bus insulation monitoring alarm value from 48 kilohms to 100 kilohms. According to the requirements of (DL/T5044-95) design technical specification of DC systems of thermal power plants and transforming plants, the insulation check performance of corresponding branches is increased to the level of 300 kilohms from 20 kilohms, and the insulation detecting level of the branches covers various failure phenomena of the insulation alarm value of the ...

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Номер записи: 3
05-06-2020 дата публикации

Supporting claw mechanism of high-speed ring spinning frame

Номер: CN0210684047U
Автор: LIU KAI, SUN ZHAOJIE, XUE FEILONG, WANG LEI, WANG CUIHONG, HOU XIFENG, WEI ZHAOQING, ZHANG ZHAOJUAN, LI YONGLIANG, WU YUZE, REN YUFEI
Принадлежит: JINGWEI INTELLIGENT TEXTILE MACH CO LTD, JINGWEI INTELLIGENT TEXTILE MACHINERY CO., LTD.

The utility model relates to a supporting claw mechanism of a high-speed ring spinning frame. The supporting claw is arranged on the supporting strip, the supporting claw is connected with the supporting strip through the pin shaft, the pin shaft is arranged on the supporting claw, the spacer bush is arranged between the supporting claw and the supporting strip, the spacer bush is arranged on thepin shaft, the convex disc is arranged at one end of the supporting claw, and the elastic structure is arranged at the other end of the supporting claw and connected with the supporting strip. The elastic structure is a torsion spring, so that the supporting claw has a force in advance, the force for sinking of the supporting claw caused by vibration displacement of the convex disc can be counteracted, the position of the supporting claw in a static state is not changed, the problem of dislocation of the convex disc caused by vibration is solved, and normal operation of a collective doffing system ...

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Номер записи: 4
28-04-2023 дата публикации

Automatic collection device for seminal fluid of breeding boar

Номер: CN116019597A
Автор: GONG JIANJUN, HOU XIFENG, HE ZHIPING, TU TENG, ZHANG QING, CHEN XIAOHUI, YING SANCHENG, GU YIREN, AN RUI, ZHONG ZHIJUN
Принадлежит:

The invention relates to an automatic collection device for seminal fluid of a breeding boar, belongs to the technical field of seminal fluid collection of breeding boars, and solves the technical problem that seminal fluid collection of the breeding boar is affected due to the fact that the surface of an existing artificial boar table cannot be uniformly heated. The automatic boar semen collecting device comprises an artificial boar table which is of a sealed shell structure internally provided with a cavity and is provided with a head and a tail. The air inlet pipe is communicated with the cavity so as to guide warm air into the cavity; the supporting column is connected to the bottom of the artificial pig platform, and a flow channel is formed in the supporting column and communicated with the cavity; the air outlet pipe is connected to the outer wall of the supporting column and communicates with the flow channel; the tail part of the artificial pig platform is provided with an insertion ...

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Номер записи: 5
27-08-2021 дата публикации

Air purifier with efficient catalysis function

Номер: CN214065194U
Автор: HOU XIFENG, ZHAO XIAOHUI, MIAO SHIDING, ZHENG YUNXING, ZHANG LEI, CAI XUN, LI YADI, 侯喜锋, 赵小辉, 苗世顶, 郑允星, 张雷, 蔡迅, 李亚迪
Принадлежит: TONGLING BOYA DUYE NEW MATERIAL TECH CO LTD, TONGLING BOYA DUYE NEW MATERIAL TECHNOLOGY CO., LTD., 铜陵博雅渡业新材料科技有限公司

The utility model provides an air purifier with an efficient catalysis function, which relates to the technical field of air purification and comprises a purifier body, a hook is rotatably connected inside the purifier body through a rotating shaft, and a tension spring is welded on the outer surface of the hook. According to the air purifier disclosed by the utility model, the pull ring on the mounting block is pulled, so that the pull ring drives the connecting rod to move, the clamping rod simultaneously shrinks towards the interior of the mounting block and is separated from the hook, and the first filter screen is taken out from the interior of the purifier body and is cleaned; by means of the structure, after the purifier body is used for a long time, the phenomenon that the filter effect of the purifier body is poor is reduced, the first filter screen can be detached by operating a pull ring, the first filter screen can be cleaned in time, and it is avoided that detachment is troublesome ...

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Номер записи: 6
25-04-2023 дата публикации

Device and method for reducing emission of dioxin in organic coating pyrolysis flue gas

Номер: CN115999293A
Автор: LONG HONGMING, SHEN TAO, YE CHENGKANG, FAN CHUNLONG, HAN YIJIAO, QIAN LIXIN, CHUN TIEJUN, HOU XIFENG, DING LONG, FAN YOUQI, YANG GUANGSHEN
Принадлежит:

The invention discloses a device and a method for reducing emission of dioxin in organic coating pyrolysis flue gas, and belongs to the technical field of emission reduction of dioxin. The device comprises an organic coating pyrolysis unit, an adsorption unit, an inhibitor spraying unit and a tar separation unit, the organic coating pyrolysis unit is connected with the tar separation unit through a flue gas outlet pipe, and the flue gas outlet pipe and the organic coating pyrolysis unit are respectively connected with the inhibitor spraying unit. And a flue gas outlet of the tar separation unit is connected with the adsorption unit through a pipeline. The whole structure of the emission reduction device is optimized, dioxin generated in the organic coating pyrolysis process can be effectively treated, and the emission reduction effect is remarkable. Meanwhile, the spraying amount of the inhibitor is scientifically and reasonably controlled during treatment, so that emission reduction of ...

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Номер записи: 7
29-10-2014 дата публикации

Preparation method for inorganic composite white pigment capable of replacing titanium dioxide at high proportion

Номер: CN104119701A
Автор: DING HAO, ZHENG YUNXING, ZHOU HONG, HOU XIFENG
Принадлежит:

The invention provides a preparation method for an inorganic composite white pigment capable of replacing titanium dioxide at a high proportion. The method employs calcite, barite or white carbon black as an inorganic white powder with the granularity less than 45 mu m, employs rutile type titanium dioxide or anatase type titanium dioxide as pigment-grade titanium dioxide, employs sodium polyacrylate with the concentration of 25% or a sodium silicate solution with the concentration of 15% as a surfactant, and employs diluted sulfuric acid as a pH regulator. The inorganic composite white pigment capable of replacing titanium dioxide at a high proportion is prepared by respectively pulping the white mineral powder and the pigment-grade titanium dioxide with water, employing an organic modifier to perform surface modification, regulating pH value, then uniformly mixing the prepared pulps, and performing intense agitation, press filtering and drying processing. Specifically, in the compositions ...

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Номер записи: 8
14-10-2009 дата публикации

Ground fault detection and calibration method and device for direct current system

Номер: CN0101556319A
Автор: WANG PENG, ZHANG LIANBIN, YIN YUFANG, HOU XIFENG, ZHU JINGMING, WANG BING, LI HUI, YIN SHUFENG, LI DAPENG, ZHAO CHANGCHUN, PENG WANG, LIANBIN ZHANG, YUFANG YIN, XIFENG HOU, JINGMING ZHU, BING WANG, HUI LI, SHUFENG YIN, DAPENG LI, CHANGCHUN ZHAO
Принадлежит:

The problem of correct wire selection of a branch with a ground fault of a direct current system of a power system is always a difficult problem for the power system. Comprehensive reasons on a plurality of aspects cause the phenomenon that the correct wire selection is difficult. The safety and the reliability of the direct current system affect the operation of power plants and transformer stations and are related to the safe production of the whole large power system. The ground fault detection and calibration method and the device for the direct current system improve the insulation supervision alarm value of a bus to the level of 100KO from 48KO. The ground fault detection and calibration method and the device are based on the requirements of (DL/T5044-95) technical regulations for design of direct current systems of fossil fuel power plants and transformer substations, and the corresponding branch insulating detection ability is improved to the level of 300KO from 20KO, and the branch ...

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Номер записи: 9
02-04-2014 дата публикации

Device for controlling lifting movement of steel collar plate and yarn guide plate of ring spinning frame

Номер: CN103696051A
Автор: ZHANG XINMIN, SUN ZHAOJIE, WANG CUIHONG, XUE FEILONG, HOU XIFENG, ZHANG ZHAOJUAN, LIU KAI, WANG LEI, LI JIANHONG, SUN MIN
Принадлежит:

The invention provides a device for controlling the lifting movement of a steel collar plate and a yarn guide plate of a ring spinning frame. The device for controlling the lifting movement of the steel collar plate and the yarn guide plate is driven by a servo motor of which the movement is controlled by a program. According to the device for controlling the lifting movement of the steel collar plate and the yarn guide plate, the vertical movement of the steel collar plate and the yarn guide plate and the stepped ascending movement are integrated and are finished by on set of mechanism, so the control on the two movement is more accurate, the adjusting for bobbin yarn molding is more convenient, various parameters can all be freely adjusted on a screen, the device is particularly suitable for the ring spinning frame with a collective doffing device, and circle number of tail yarns and circle number of wrapping yarns during doffing are more convenient and rapid to count.

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Номер записи: 10
08-07-2015 дата публикации

Magnesium-aluminum spinel-BN-Sialon multiphase refractory raw material and preparation method thereof

Номер: CN104761271A
Автор: HOU XIFENG, HUANG JUNTONG, WANG XIAOJUN, ZHANG SHANGDUO, CUI YINGWU
Принадлежит:

The invention discloses a magnesium-aluminum spinel-BN-Sialon multiphase refractory raw material and a preparation method thereof. According to the preparation method, low-grade magnesium borate boron ore or tailings thereof, low-grade bauxite or bauxite tailings thereof and coke powder are used as main raw materials, carbon thermal reduction nitridation reaction is performed at an appropriate temperature according to requirements of needed refractory materials by virtue of component design, and the product is crushed and ground after cooling to obtain MgAl2O4-BN-Sialon multiphase refractory raw material powder. The magnesium-aluminum spinel-BN-Sialon prepared by the method provided by the invention mainly comprises the composition phases of beta-Sialon, Mg-Sialon, BN, MgAl2O4 (magnesium-rich or aluminum-rich magnesium-aluminum spinel) and a small amount of Al6O3N4, Fe3Si and the like; and the preparation method disclosed by the invention has the significant advantages of high solid waste ...

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Номер записи: 11