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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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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 8. Отображено 8.
16-05-2023 дата публикации

Composite catalytic filter bag for removing dust and dioxin and preparation method thereof

Номер: CN116116116A
Принадлежит:

The invention discloses a composite catalytic filter bag for removing dust and dioxin and a preparation method, the composite catalytic filter bag comprises a matrix, the matrix is impregnated with a catalyst suspension, the catalyst suspension is prepared from catalyst powder and a solvent, the catalyst powder is prepared from an active component, an auxiliary agent and an ammonium carbamate solution through precipitation, the active component is a manganese-cerium composite oxide, and the auxiliary agent is a manganese-cerium composite oxide. According to the composite catalytic filter bag for removing dust and dioxin, PTFE, PPS or P84 needled felt serves as the base body, the base body is soaked in the catalyst turbid liquid to prepare the filter material, the catalyst loading capacity of the filter material is 200-500/m < 2 >, the filter material is coated with the foam coating, and the filter material can be used for removing dust and dioxin. The composite catalytic filter bag is prepared ...

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11-07-2023 дата публикации

Fly ash catalytic pyrolysis process and system

Номер: CN116408336A
Принадлежит:

The invention discloses a fly ash drying catalytic pyrolysis process, and relates to the technical field of fly ash treatment, and the fly ash drying catalytic pyrolysis process comprises the following steps: S1, conveying fly ash to be treated to a drying unit for drying treatment to obtain dried fly ash and mixed gas; s2, the dried fly ash is conveyed to a pyrolysis unit to be subjected to pyrolysis treatment; the mixed gas is conveyed to the catalysis unit for catalytic decomposition, and after dust removal, the mixed gas is introduced into the pyrolysis unit and the drying unit to form circulation. De novo synthesis of the dioxin is avoided, the degradation efficiency of the dioxin in the fly ash is improved, and the situation that the fly ash is hardened and blocked in the high-temperature pyrolysis process can be avoided.

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08-08-2023 дата публикации

Eluent for wet-grinding elution of heavy metals in waste incineration fly ash and elution method

Номер: CN116549908A
Принадлежит:

The invention discloses an eluent and an elution method for wet-grinding elution of heavy metals in waste incineration fly ash, the eluent is a composition of citric acid and a complexing agent, and the elution method comprises the following steps: (1) preparing an elution solvent; (2) adding the ball milling material, fly ash and an elution solvent into a ball milling tank in proportion; (3) rotating the ball-milling tank filled with the materials, and carrying out wet-milling elution; and (4) carrying out dry-wet separation on the fly ash eluent in the mixture after wet grinding and solid fly ash, wherein the separated solution is the fly ash eluent containing heavy metals. According to the process, an eluent is used for eluting the fly ash, under the action of ball milling, the fly ash is ground to several microns, heavy metal in the fly ash is easier to leach out, the reaction of the heavy metal in the fly ash is more intense due to the mechanical force action and the heat effect generated ...

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16-05-2023 дата публикации

Preparation device of composite catalytic filter bag for removing dust and dioxin

Номер: CN116116211A
Принадлежит:

The invention discloses a preparation device of a composite catalytic filter bag for removing dust and dioxin, which comprises a catalyst powder preparation device, a catalyst suspension preparation device, a composite catalytic filter bag substrate preparation device, a catalyst loading device, a foam coating preparation and coating device and a composite catalytic filter bag preparation device, and the catalyst powder preparation device is used for preparing catalyst powder. The invention provides the preparation device of the composite catalytic filter bag for removing dust and dioxin. The composite catalytic filter bag is prepared from a catalyst powder preparation device, a catalyst suspension preparation device, a composite catalytic filter bag substrate preparation device, a catalyst loading device, a foam coating preparation and coating device and a composite catalytic filter bag preparation device, and the dioxin removal rate of the composite catalytic filter bag prepared by the ...

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06-06-2023 дата публикации

Device for treating arsenic-polluted wastewater by using gangue-based arsenic adsorbent

Номер: CN116212834A
Принадлежит:

The invention discloses a device for treating arsenic-polluted wastewater by using a gangue-based arsenic adsorbent. The device comprises a rock-based arsenic adsorbent preparation mechanism and an arsenic-polluted wastewater treatment mechanism, the gangue-based arsenic adsorbent preparation mechanism comprises a ball milling instrument, a mixing assembly, a pH adjusting assembly, a magnetic stirrer, a precipitate treatment assembly, a precipitate post-treatment assembly and an adsorbent storage box, and the gangue-based arsenic adsorbent is prepared through the gangue-based arsenic adsorbent preparation mechanism; goethite, tetragonal lepidocrocite and Schwertmannite which are loaded on the surface of coal gangue in the gangue-based arsenic adsorbent remarkably improve the adsorption performance of the gangue-based arsenic adsorbent on arsenic (V), meanwhile, arsenic-polluted wastewater is treated by the gangue-based arsenic adsorbent through an arsenic-polluted wastewater treatment mechanism ...

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23-06-2023 дата публикации

Device for treating dioxin in cloth bag fly ash in waste incineration plant and working method of device

Номер: CN116293698A
Принадлежит:

The invention discloses a device for treating dioxin in cloth bag fly ash in a waste incineration plant and a working method of the device, and relates to the technical field of fly ash treatment. One end of the fly ash conveying pipeline is connected to a waste incineration plant, and the other end of the fly ash conveying pipeline is connected to the top of a fly ash feeding bin; the bottom of the fly ash feeding bin is connected to the multi-stage spiral pyrolysis assembly through a control valve; the multi-stage spiral pyrolysis assembly comprises a plurality of fly ash conveying spiral elements which are connected in sequence, and a flue gas pipeline is arranged at the tail end of the first-stage fly ash conveying spiral element; and the tail end of the last stage of fly ash conveying spiral element is provided with a fly ash discharge port. According to the method, harmless treatment of the fly ash is achieved, the treatment difficulty of the fly ash pyrolysis tail gas is lowered, ...

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11-04-2023 дата публикации

Preparation method of gangue-based arsenic adsorbent

Номер: CN115945165A
Принадлежит:

The invention discloses a preparation method of a gangue-based arsenic adsorbent, which comprises the following steps: S1, placing a gangue sample in a ball mill for ball-milling activation treatment to obtain ball-milled gangue; s2, mixing the ball-milled coal gangue with a FeSO4. 7H2O solution to obtain a mixed solution; s3, adding a NaOH solution into the mixed solution to adjust the pH value of the mixed solution, and performing stirring treatment through a magnetic stirrer; s4, H2O2 is added into the solution obtained in the step 3, then stirring, filtering and taking out are conducted, solid sediment is obtained, the solid sediment is washed, dried and taken out, and the gangue-based arsenic adsorbent is obtained.According to the method, coal gangue and the FeSO4. 7H2O solution are mixed, the NaOH solution and the hydrogen peroxide serve as a pH value regulator and an oxidizing agent respectively, goethite is mixed with the FeSO4. 7H2O solution, then the mixture is stirred, filtered ...

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27-08-2021 дата публикации

Collecting device for discharging unqualified condensed water in starting process of steam turbine

Номер: CN214063078U

The utility model discloses a collecting device for discharging unqualified condensed water in the starting process of a steam turbine, which comprises a pit, a water inlet pipe arranged at the upper part of the pit, a water discharge pipe arranged at the bottom of the pit, a mounting frame fixedly arranged at the top of the pit, a cover plate fixedly arranged on the mounting frame and completely covering an opening at the upper part of the pit, an exhaust pipe is fixedly arranged on the mounting frame, the bottom of the exhaust pipe extends into the pit, the top of the exhaust pipe extends to the outside, a heat exchange pipe is further fixedly arranged on the mounting frame, the middle of the heat exchange pipe is located in the pit, and the inlet end and the outlet end of the heat exchange pipe are both located above the cover plate. A closed structure is adopted, and the top opening of the pit is sealed by the cover plate, so that the influence of steam generated by high-temperature ...

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