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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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Применить Всего найдено 6. Отображено 6.
23-05-2023 дата публикации

Continuous coating granulation preparation method and device for negative electrode material of lithium ion battery

Номер: CN116139771A
Автор: ZHAO YANFENG, MENG XIANG'AN
Принадлежит:

The invention provides a lithium ion battery negative electrode material continuous coating granulation preparation method and device, a process path comprises a low-temperature reaction section and a high-temperature reaction section, the low-temperature reaction section adopts two groups of semi-helical blades which are meshed with each other to forcefully stir a coated material and forcefully scatter the material, and the high-temperature reaction section adopts two groups of semi-helical blades which are meshed with each other; meanwhile, the materials are pushed to move forwards while rotating by means of the lead angle of a spiral blade, the continuous heating and coating process is completed, and the heating interval of the low-temperature reaction section is 550 +/-50 DEG C; the coated materials with the temperature exceeding 550 DEG C do not have the secondary caking phenomenon, the high-temperature reaction section is connected to the discharging end of the low-temperature reaction ...

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Номер записи: 1
02-06-2023 дата публикации

Preparation method of coal pitch-based three-dimensional graded porous carbon for negative electrode of lithium ion battery

Номер: CN116199207A
Автор: XU GUIYING, MO BAOQING, ZHANG ZHANHAO, YAO QINGYU, ZHANG TIANQI, WANG LUYAO, WANG KUN, LI JIANKE, ZHOU WEIMIN, ZHANG DIANHAO, ZHANG WENWU, MENG XIANG'AN, WANG SHIGE
Принадлежит:

The invention relates to a preparation method of coal pitch-based three-dimensional graded porous carbon for a lithium ion battery cathode, which uses sodium carbonate and silicon dioxide as double templates and coal pitch as a carbon source to prepare the coal pitch-based three-dimensional graded porous carbon, and specifically comprises the following steps: 1) taking 3-9g of medium-temperature coal pitch, putting the medium-temperature coal pitch into a beaker, and heating to 170-200 DEG C under a silicone oil bath condition; adding a template agent, stirring at a constant speed, and cooling to room temperature to obtain a black solid mixture; and heating in a tubular furnace, cooling to room temperature, washing off the template, washing to be neutral, and drying. The method has the advantages that the pore channel structure in the material is greatly improved by microcosmically regulating and controlling the surface appearance and the pore structure of the carbon material and forming ...

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Номер записи: 2
25-10-2019 дата публикации

Fish oil purification storage preheating device

Номер: CN0209536234U
Автор: JIANG XINQIANG, MENG XIANG'AN, JIANG XUEXIN
Принадлежит: ANHUI XINZHOU MARINE BIOLOGICAL PRODUCTS CO LTD, ANHUI XINZHOU MARINE BIOLOGICAL PRODUCTS CO., LTD

The utility model discloses a fish oil purification, storage and preheating device. Relating to the field of preheating devices, the device comprises a tank, a motor, rotating shafts and heating rods,an inner cavity is formed in the tank body; wherein an oil inlet is formed in one end of the tank body; an oil outlet is formed in the other end of the tank body; the rotating shaft is rotatably arranged at the position of the central axis of the inner cavity; the motor is connected with one end of a rotating shaft through a coupler; spiral blades are arranged at the part, positioned in the innercavity, of the rotating shaft; the spiral blade is provided with a plurality of heating rods; the heating rod is fixedly connected with the spiral blade; in use, fish oil enters from the oil inlet; the oil is conveyed to the oil outlet through the spiral blade; the fish oil entering the inner cavity is preheated by the heating rod in the conveying process, is conveyed to the oil outlet and entersa subsequent ...

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Номер записи: 3
06-06-2023 дата публикации

High performance liquid chromatography detection method of imidazole acyl chloride

Номер: CN116223650A
Автор: MENG XIANG'AN, CHANG MINGZHU, ZHANG LIMING
Принадлежит:

The invention belongs to the technical field of medicine detection, and particularly relates to a high performance liquid chromatography detection method of imidazole acyl chloride. According to the detection method, a high performance liquid chromatography is adopted, a C18 chromatographic column is adopted, the detection wavelength is 200-220 nm, the column temperature is high, an acetonitrile-10 mol/L potassium hydrogen phthalate buffer solution is used as a mobile phase, the flow velocity is 0.5-1.2 ml/min, and isocratic elution is performed; a sample is subjected to derivatization treatment before being detected, an amine compound is used as a derivatization reagent, an alkaline compound is used as a catalyst, absolute ethyl alcohol is used as a solvent, reaction is carried out at room temperature for 5-20 min, and derivatization treatment is completed. The detection method disclosed by the invention is convenient and simple, high in sensitivity, good in chromatographic peak shape, ...

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Номер записи: 4
04-07-2023 дата публикации

Recovery treatment method of cefixime side chain active thioester production wastewater

Номер: CN116375255A
Автор: MENG XIANG'AN, CHANG MINGZHU, ZHANG LIMING
Принадлежит:

The invention belongs to the technical field of wastewater treatment, and particularly relates to a recovery treatment method of cefixime side chain active thioester production wastewater. Comprising the following steps: adjusting the pH value of wastewater 1, adding a decolorizing agent and a flocculating agent, stirring, filtering, carrying out reduced pressure distillation on filtrate to recover acetonitrile, carrying out negative pressure concentration on the residual wastewater to 20-30% of the original wastewater, centrifuging, and collecting to obtain a sodium chloride solid; carrying out negative pressure concentration on the centrifuged liquid again, and collecting the residual liquid; adding water into the residual liquid for extraction, collecting an organic phase, adding wastewater 2 into the organic phase for heating and dissolving, adding activated carbon for filtering, dropwise adding hydrogen peroxide into the filtrate for crystallization, carrying out heat preservation ...

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Номер записи: 5
23-06-2023 дата публикации

Device and method for coating granulation, carbonization and graphitization of negative electrode material of lithium ion battery

Номер: CN116314682A
Автор: MENG XIANG'AN, ZHAO YANFENG
Принадлежит:

The invention relates to a lithium ion battery cathode material coating granulation, carbonization and graphitization device and method.The lithium ion battery cathode material coating granulation, carbonization and graphitization device comprises a semi-spiral blade coating heat treatment device, an electric self-heating low-temperature carbonization device and a graphitization device, the semi-spiral blade coating heat treatment device discharges materials to the electric self-heating low-temperature carbonization device, and the electric self-heating low-temperature carbonization device discharges materials to the graphitization device; the graphitization device is composed of a plurality of independent graphitization furnaces, the electric self-heating low-temperature carbonization device feeds materials to the independent graphitization furnaces through the multi-station material distributor, and the multi-station material distributor feeds materials to different graphitization furnaces ...

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Номер записи: 6