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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 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 3. Отображено 3.
29-08-2023 дата публикации

Knowledge management platform for petrochemical engineering investigation and design enterprise

Номер: CN116664351A
Автор: FU BIAO, WANG XUEFEI, LI XINPING, ZHAO HONGPAI, WANG GE, DAI GUOXING, LOU XIYING, TENG DAJUN, LIU BOWU, LIU JUNYI, YUAN YING, SHI ZHE, REN DAJUN, WEI XINGWEI, LI XIANG
Принадлежит:

The invention discloses a knowledge management platform for a petrochemical engineering investigation and design enterprise, which stores knowledge documents of the enterprise into different knowledge bases in the platform for management according to classification, and is also provided with a search module, a knowledge application module, a knowledge community management module, an expert question and answer management module, a knowledge operation module and the like. The method is convenient for enterprises to search, utilize, share and manage knowledge, accumulate enterprise knowledge assets, avoid enterprise knowledge loss, promote reutilization and innovation of enterprise knowledge, improve the working efficiency of enterprise employees and enterprise knowledge management innovation quality, and comprehensively improve the enterprise knowledge informatization management level.

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Номер записи: 1
27-06-2023 дата публикации

Device and method for preparing acrolein and acrylic acid through propylene oxidation

Номер: CN116328333A
Автор: QI DEKANG, GONG CHUANZHI, ZHANG HAIFENG, ZHANG FENGTAO, DAI GUOXING, YU CHUNMEI, LOU XIYING, LIN GANG, AHN BYUNG-HYUN
Принадлежит:

The invention relates to a device and a method for preparing acrolein and acrylic acid by propylene oxidation, the device comprises: a first reactor, an inlet pipeline of which is provided with a first mixer; the second reactor is connected with the first reactor, and an inlet pipeline of the second reactor is provided with a second mixer; the quench tower is connected with the second reactor; the light component fractionating tower is connected with the quench tower; the acrylic acid rectifying tower is connected with the quench tower; the acrylic acid absorption tower is connected with the first reactor and the quench tower; the acrolein absorption tower is connected with the acrylic acid absorption tower; and the acrolein purification tower is connected with the acrolein absorption tower. The method is low in waste gas and waste water discharge amount, simple in process, low in cost, stable in operation, excellent in product quality, low in material consumption and energy consumption ...

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Номер записи: 2
02-06-2023 дата публикации

Method for refining acrylic acid

Номер: CN116199576A
Автор: WANG YANHONG, ZHANG FENGTAO, GONG CHUANZHI, SHI JIAWEI, DAI GUOXING, YANG MIAO, LOU XIYING, QI DEKANG
Принадлежит:

The invention relates to a method for refining acrylic acid, which comprises the following steps: mixed gas containing acrylic acid is in countercurrent contact with a crude acrylic acid solution containing acetic acid from the top of a product tower in a light component removal tower, and unliquefied gas rises to the bottom of a washing tower; one part of the acetic acid water liquid extracted from the upper part of the washing tower is cooled and then returns to the top of the washing tower, the other part of the acetic acid water liquid directly returns to a filler at the lower section of the washing tower, and uncondensed water, acetic acid and other inert gases in the washing tower are sent to a waste gas treatment device or at least part of the water, acetic acid and other inert gases return to the reaction unit for cyclic utilization; wherein the operation temperature of the top of the washing tower is 55-65 DEG C, and a desalted water supplementing pipeline is arranged on the washing ...

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Номер записи: 3