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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 10. Отображено 10.
04-05-2011 дата публикации

Novel high-speed electro-desalting power supply

Номер: CN0102041036A
Автор: Liu Jianchun, Xiao Genhua
Принадлежит:

The invention discloses a novel high-speed electro-desalting power supply, belonging to the field of electric dehydration of crude oil in oil fields and electro-desalination of crude oil in oil refineries. The device comprises a transformer, a rectifier, silicon controlled, a silicon controlled controller and a PLC (programmable logic controller) control system, wherein the transformer comprises a primary current transmitter, a primary voltage transmitter, a transformer primary coil, a transformer secondary coil a and a transformer secondary coil b. The novel high-speed electro-desalting power supply provided by the invention is provided with a low-impedance coil, the primary current transmitter and the primary voltage transmitter feed back the practical running current and voltage of the transformer to the PLC control system; the PLC control system automatically outputs signals to the silicon controlled controller according to the set transformer current and voltage; the silicon controlled ...

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18-06-2014 дата публикации

Three-phase-input and single-phase-output electric desalting power supply

Номер: CN103872929A
Принадлежит:

The invention relates to a three-phase-input and single-phase-output electric desalting power supply. The primary side of the power supply is a three-phase-input side, and a 100-percent resistor is connected in series in a three-phase loop on the primary side; a secondary side is a two-phase-output side, different taps are arranged on a secondary high-voltage coil, and different output high voltages are selected through a selector switch K1 in order to adapt to different crude oil; secondary two-phase high voltage is turned into single-phase electricity of which one end is grounded and the other end is charged through an isolation transformer; single-phase high-voltage electricity is transmitted to a dual voltage rectifying silicon stack respectively, rectified positive half waves form an anode, and rectified negative half waves form a cathode. By adopting the three-phase-input and single-phase-output electric desalting power supply, the problem of three-phase imbalance of an electric desalting ...

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29-06-2011 дата публикации

Intelligent response control electrical desalting and dewatering device and control method

Номер: CN0101607149B
Принадлежит:

The invention relates to an intelligent response control electrical desalting and dewatering device and a control method, belonging to the technical field of crude oil processing. The device comprises a special transformer and an oily water emulsification instrument, wherein the special transformer is used for providing electric energy to an electrode plate in an electrical desalting and dewatering tank, the oily water emulsification instrument is arranged in the electrical desalting and dewatering tank and used for measuring an oily water emulsification condition in the tank body, an electric power supply is connected with the special transformer by a PLC, and the measured signal output end of the oily water emulsification instrument is connected with the signal input end of the PLC. In the method, the PLC controls and provides voltage to the electrode plate in the modes of a slow raising section, a return-to-zero section, a fast raising dispersion section, a mixture section, an accumulating ...

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18-03-2015 дата публикации

Electric desalting and electric dehydrating power supply equipment and control method thereof

Номер: CN104419450A
Принадлежит:

The invention discloses electric desalting and electric dehydrating power supply equipment and a control method thereof, and belongs to the field of crude oil treatment of an oil field. The power supply equipment comprises an adjusting module, a transformer module and an electric desalting tank body, wherein a first input end of the adjusting module is connected with a first phase of a three-phase power supply; a second input end of the adjusting module is connected with a second phase of the three-phase power supply; a third input end of the adjusting module is connected with a third phase of the three-phase power supply; an output end of the adjusting module is connected with the input end of the transformer module; and the output end of the transformer module is connected with the electric desalting tank body, so that an electric field is formed in the electric desalting tank body, and thus electric desalting and electric dehydrating on the crude oil are achieved. According to the electric ...

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05-08-2009 дата публикации

Deep electric desalting technology for heavy inferior crude oil

Номер: CN0101497813A
Принадлежит:

The invention relates to a heavy poor crude oil deep electric desalting device which comprises an electric desalting tank body, an electronic pressure regulator, an electric desalting special transformer, a flat-response electrode plate, a vertical-response electrode plate and an oil dispenser. The electronic pressure regulator can preset, modify or dynamically regulate the wave curve input to the transformer by programming. AC response high tension electricity is transported on the flat-response electrode plate, negative-positive response high tension electricity is transported on the vertical-response electrode plate, the flat-response electrode plate and an oil-water boundary form an AC response high voltage electric field, the high tension electricity transported on the flat-response electrode plate can be automatically adjusted according to the emulsification degree of an oil-water emulsification layer, and the oil dispenser is arranged between the flat-response electrode plate and ...

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27-07-2011 дата публикации

High-frequency intelligent response electro-desalting power supply device

Номер: CN0102134504A
Принадлежит:

The invention relates to a high-frequency intelligent response electro-desalting power supply device to solve the problems of high consumption of electricity for refining crude oil, reduction of electric field strength, low effect of electric desalting and dewatering, and the like due to increase of electric field current when the crude oil with high water content, high conductivity or severe emulsification is treated through the conventional electric desalting and dewatering. The high-frequency intelligent response electro-desalting power supply device comprises an electric desalting and dewatering pot, an in-pot electrode plate, a high-frequency intelligent response control cabinet (comprising a bridge rectifier, a capacitor filter, an insulated gate bipolar translator (IGBT) module, a programmable logic controller (PLC) control protection circuit and a current and voltage monitoring circuit), and an explosionproof high-frequency transformer. According to properties of different oil products ...

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23-06-2023 дата публикации

Treatment process for stubborn emulsion layer in electro-desalting and electro-dehydrating device

Номер: CN116286081A
Принадлежит:

According to the treatment process for the stubborn emulsion layer in the electric desalting and electric dehydrating device, an emulsion layer moving treatment device is connected with the electric dehydrating device through a connecting pipe, and the emulsion layer moving treatment device is in a skid-mounted module type and comprises a storage tank, a liquid pump, a stirring kettle, a centrifugal machine and a high-voltage electric refined oil liquid treatment tank; the storage tank, the liquid pump, the stirring kettle, the centrifugal machine and the high-voltage electricity refined oil liquid treatment tank are connected through pipelines, emulsion layer treatment can be conducted on a plurality of electricity removing devices through one device through the movable treatment device, an existing device does not need to be redesigned and reformed, the reformation cost is reduced, and the efficiency is improved. And through an external connection mode, the emulsion layer can be collected ...

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20-04-2011 дата публикации

Intelligent response control electrical desalting and dewatering electric field device

Номер: CN0101607148B
Принадлежит:

The invention relates to an intelligent response control electrical desalting and dewatering electric field device belonging to the technical field of crude oil processing. The device comprises an oil inlet distributor and at least two layers of horizontal high-voltage electrode plates, wherein the high-voltage electrode plates are connected with a voltage output circuit controlled by a PLC, the oil inlet distributor is formed by branch pipelines which are mutually isolated, oil inlet spray nozzles are arranged on the branch pipelines and are positioned between the adjacent horizontal high-voltage electrode plates, the ejection direction of the oil inlet spray nozzles is parallel to the horizontal high-voltage electrode plates, and annular electrode plates surrounding the oil inlet spray nozzles are respectively and oppositely extended out on the two adjacent horizontal high-voltage electrode plates, so that a dispersion mixed area positioned between the two opposite annular electrodeplates ...

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23-12-2009 дата публикации

Intelligent response control electrical desalting and dewatering device and control method

Номер: CN0101607149A
Принадлежит:

The invention relates to an intelligent response control electrical desalting and dewatering device and a control method, belonging to the technical field of crude oil processing. The device comprises a special transformer and an oily water emulsification instrument, wherein the special transformer is used for providing electric energy to an electrode plate in an electrical desalting and dewatering tank, the oily water emulsification instrument is arranged in the electrical desalting and dewatering tank and used for measuring an oily water emulsification condition in the tank body, an electric power supply is connected with the special transformer by a PLC, and the measured signal output end of the oily water emulsification instrument is connected with the signal input end of the PLC. In the method, the PLC controls and provides voltage to the electrode plate in the modes of a slow raising section, a return-to-zero section, a fast raising dispersion section, a mixture section, an accumulating ...

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23-12-2009 дата публикации

Intelligent response control electrical desalting and dewatering electric field device

Номер: CN0101607148A
Принадлежит:

The invention relates to an intelligent response control electrical desalting and dewatering electric field device belonging to the technical field of crude oil processing. The device comprises an oil inlet distributor and at least two layers of horizontal high-voltage electrode plates, wherein the high-voltage electrode plates are connected with a voltage output circuit controlled by a PLC, the oil inlet distributor is formed by branch pipelines which are mutually isolated, oil inlet spray nozzles are arranged on the branch pipelines and are positioned between the adjacent horizontal high-voltage electrode plates, the ejection direction of the oil inlet spray nozzles is parallel to the horizontal high-voltage electrode plates, and annular electrode plates surrounding the oil inlet spray nozzles are respectively and oppositely extended out on the two adjacent horizontal high-voltage electrode plates, so that a dispersion mixed area positioned between the two opposite annular electrode plates ...

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