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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 2. Отображено 2.
02-06-2010 дата публикации

Integrated catalyst carriers and method thereof for preparing catalyst

Номер: CN0101716533A
Автор: JIANFENG CHEN, LIXIONG WEN, QIUFENG ZHU, CHEN JIANFENG, WEN LIXIONG, ZHU QIUFENG
Принадлежит:

The invention provides a novel integrated catalyst using eggshell type porous silicon dioxide nano particles as a coating and a preparation method thereof. The integrated catalyst has the characteristics that active components are distributed in a form of double shell layers, a catalysis layer and carriers have strong bonding force and uniform coating structure, and primary carriers and the active components are not easy to flow away in a catalytic reaction process. A primary structure of the catalyst is a hollow eggshell type structure, and a secondary structure is a cellular structure, thus the catalyst has the characteristics of high mechanical strength, larger specific surface area, centralized mesopore distribution, convenient processing and easy filling. Moreover, the catalyst has higher catalytic activity and higher selectivity particularly to the consecutive reaction of a product for the purpose of an intermediate product. The catalyst keeps the characteristics of an eggshell type ...

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Номер записи: 1
02-11-2011 дата публикации

Aluminum pig casting machine capable of recycling phase-change heat energy

Номер: CN0102228962A
Автор: JIYONG SU, BAILIN JIA, LI WANG, HAIWEI TANG, YUNCHEN WANG, QIUFENG ZHU, SU JIYONG, JIA BAILIN, WANG LI, TANG HAIWEI, WANG YUNCHEN, ZHU QIUFENG
Принадлежит:

The invention concretely discloses an aluminum pig casting machine capable of recycling phase-change heat energy, solving the problems of low heat energy utilization ratio and serious energy waste in the casting cycle of a traditional aluminum pig casting machine. The aluminum pig casting machine capable of recycling the phase-change heat energy comprises an aluminum pig casting mold transmission mechanism, a steam supply pipeline system, tap water softening equipment and a steam generator arranged around the aluminum pig casting mold transmission mechanism, wherein the tap water softening equipment is connected with the steam generator which is connected with the steam supply pipeline system. The aluminum pig casting machine capable of recycling the phase-change heat energy in the invention is reasonable and reliable in structural design, not only can be used for efficiently performing molten aluminum molding casting, but also can be used for maximally recovering the phase-change energy ...

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Номер записи: 2