Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 6. Отображено 6.
28-04-2023 дата публикации

Method for producing low-sulfur petroleum coke

Номер: CN116023995A
Автор: REN LIANG, LIU TAO, WANG YONG, HU DAWEI, LIU ZIBIN, DAI LISHUN, SHAO ZHICAI, DENG ZHONGHUO, SHI RONG
Принадлежит:

The invention relates to a method for producing low-sulfur petroleum coke, which comprises the following steps: residual oil raw oil and an additive enter a delayed coking furnace together, the low-sulfur petroleum coke and an oil-gas mixture are obtained after a coking reaction, the additive is a mixture of a hydrogenation catalyst, a sulfur transfer agent and an optional hydrogen donor, and the additive is a mixture of a hydrogenation catalyst, a sulfur transfer agent and an optional hydrogen donor. The method realizes low-cost production of the low-sulfur petroleum coke.

Подробнее
Номер записи: 1
14-04-2023 дата публикации

Residual oil hydrogenation method and system

Номер: CN115960629A
Автор: DENG ZHONGHUO, DAI LISHUN, NIE XINPENG, LIU TAO, SHAO ZHICAI, NIU CHUANFENG, SHI RONG, REN LIANG, FANG QIANG, WANG ZHEN, DAI QIAOLING
Принадлежит:

The invention relates to the field of residual oil processing, in particular to a residual oil hydrogenation method and system.The method comprises the steps that 1, in the presence of hydrogen, inferior residual oil is introduced into a fixed bed hydrogenation visbreaking reaction zone to be subjected to a hydrogenation visbreaking reaction, and a first material flow is obtained; (2) the first material flow is introduced into a separation unit for gas-liquid separation, and a gas-phase material flow and a liquid-phase material flow are obtained; (3) in the presence of hydrogen, introducing the liquid-phase material flow into a fixed bed hydrotreating reaction zone for hydrogenation reaction; the operating conditions in the fixed bed hydrogenation visbreaking reaction zone are controlled such that the viscosity of the liquid stream at 100 DEG C is not greater than 400 mm < 2 >/s. The method provided by the invention can enable the fixed bed hydrotreating reaction zone to have higher reaction ...

Подробнее
Номер записи: 2
04-04-2023 дата публикации

Residual oil hydrogenation method and residual oil hydrogenation system

Номер: CN115895716A
Автор: DENG ZHONGHUO, SHAO ZHICAI, NIE XINPENG, LIU TAO, DAI LISHUN, SHI RONG, NIU CHUANFENG, REN LIANG, FANG QIANG, WANG ZHEN, DAI QIAOLING
Принадлежит:

The invention relates to the field of petroleum processing, and discloses a residual oil hydrogenation method and a residual oil hydrogenation system. The method comprises the following steps: introducing a residual oil raw material into a hydrogenation pretreatment reaction zone provided with N reactors connected in series, contacting with a hydrogenation pretreatment catalyst, and carrying out a hydrogenation pretreatment reaction; introducing the effluent of the hydrogenation pretreatment reaction into a hydrotreating main reaction zone to contact with a hydrotreating catalyst and carry out a hydrotreating reaction; wherein N is an integer greater than or equal to 1, and when the pressure drop of any reactor in the hydrogenation pretreatment reaction zone reaches 60%-100% of a reactor pressure drop limit value, dynamically introducing a part of material flow entering the reactor into a first reactor at the downstream of the reactor along the liquid phase material flow direction, so that ...

Подробнее
Номер записи: 3
14-04-2023 дата публикации

Residual oil hydrogenation method and system

Номер: CN115960628A
Автор: DENG ZHONGHUO, SHI RONG, LIU TAO, DAI LISHUN, SHAO ZHICAI, NIU CHUANFENG, NIE XINPENG, REN LIANG, FANG QIANG, HU DAWEI, SUN SHULING
Принадлежит:

The invention relates to the field of residual oil processing, in particular to a residual oil hydrogenation method and system.The method comprises the steps that 1, high-viscosity residual oil and hydrogenated distillate oil are introduced into a fixed bed hydrogenation visbreaking reaction zone to be subjected to a hydrogenation visbreaking reaction, and a first material flow is obtained; (2) introducing the first material flow into a first separation unit for gas-liquid separation to obtain a first gas-phase material flow and a liquid-phase material flow; (3) in the presence of hydrogen, introducing the liquid-phase material flow into a fixed bed hydrotreating reaction zone for hydrogenation reaction to obtain a second material flow; and (4) introducing the second material flow into a second separation unit for gas-liquid separation to obtain a second gas-phase material flow, hydrogenated naphtha, hydrogenated distillate oil and hydrogenated heavy oil. The method provided by the invention ...

Подробнее
Номер записи: 4
18-04-2023 дата публикации

Residual oil hydrogenation method and system

Номер: CN115975668A
Автор: DENG ZHONGHUO, REN LIANG, FANG QIANG, LIU TAO, SHAO ZHICAI, SHI RONG, NIU CHUANFENG, DAI LISHUN, NIE XINPENG, JIA YANZI, ZHAO XINQIANG
Принадлежит:

The invention relates to the field of residual oil hydrogenation, and discloses a residual oil hydrogenation method and system.The method comprises the steps that 1, a residual oil raw material is introduced into a down-flow reactor and an up-flow reactor which are connected in parallel in a hydrogenation pretreatment reaction zone through a main feeding three-way valve for a hydrogenation pretreatment reaction, the effluent of the hydrogenation pretreatment reaction is introduced into a hydrotreating main reaction zone for a hydrotreating reaction, and the pressure drops of two reactors in the hydrogenation pretreatment reaction zone are controlled to be consistent through the opening degree of a three-way valve; and (2) when the pressure drop of any reactor in the hydrogenation pretreatment reaction zone reaches 60%-100% of the pressure drop limit value of the reactor, keeping the opening degree of the total feeding three-way valve unchanged, and dynamically introducing part of material ...

Подробнее
Номер записи: 5
04-04-2023 дата публикации

Residual oil hydrogenation method and system

Номер: CN115895717A
Автор: DENG ZHONGHUO, SHI RONG, DAI LISHUN, NIU CHUANFENG, LIU TAO, SHAO ZHICAI, REN LIANG, FANG QIANG, NIE XINPENG, HU DAWEI, SUN SHULING
Принадлежит:

The present invention relates to the field of residual oil hydrogenation, and discloses a residual oil hydrogenation method and system, the method comprises: introducing a residual oil raw material into a hydrogenation pretreatment reaction zone provided with N reaction units connected in parallel, and carrying out a hydrogenation pretreatment reaction, introducing an effluent of the hydrogenation pretreatment reaction into a hydrotreating main reaction zone for a hydrotreating reaction; wherein N is an integer greater than or equal to 2, and when the pressure drop of any reactor in the N reaction units connected in parallel in the hydrogenation pretreatment reaction zone reaches 60%-100% of the pressure drop limit value of the reactor, dynamically introducing a part of material flow entering the reactor into the first reactor at the downstream of the reactor along the liquid phase material flow direction, the pressure drop of the reactor is controlled to be 0.1 MPa to Pmax MPa, and Pmax ...

Подробнее
Номер записи: 6