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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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Применить Всего найдено 9. Отображено 9.
11-08-2023 дата публикации

Energy-saving and consumption-reducing design method and device suitable for offshore production process treatment

Номер: CN116579487A
Автор: JING YUXIAO, YI HUALEI, YANG TIANYU, ZHANG MING, MA CHENBO, LIU XIANGDONG, CHEN ZIJING, GUO XIN, HAO YUN
Принадлежит:

The invention relates to an energy-saving and consumption-reducing design method suitable for offshore production process treatment, which comprises the following steps of: taking an oil-gas-water separation and gas compression system of an extracted material flow as a design analysis object, taking process simulation software HYSYS as a tool, combining with the overall process flow design of a platform, determining a plurality of treatment strategies, and carrying out energy-saving and consumption-reducing design on the plurality of treatment strategies; selecting the treatment strategy with the highest output-input ratio from the plurality of treatment strategies as a condensate liquid treatment mode; the condensate liquid generated by the compression system can be reasonably treated, the existing process is utilized as much as possible, newly-added treatment equipment is reduced, and maximization of economic benefits and social benefits is achieved.

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Номер записи: 1
13-11-2014 дата публикации

PERFORMANCE TEST DEVICE FOR MECHANICAL SEAL

Номер: WO2014180152A1
Автор: SUN, Jianjun, TU, Qiaoan, HU, Qiong, MA, Chenbo, YU, Qiuping, ZHOU, Min
Принадлежит:

Disclosed is a performance test device for a mechanical seal, the device comprising a main shaft (4), a working chamber (18) of which both ends are provided with end covers (6, 13), and two sets of mechanical seals to be tested (7), wherein a shaft sleeve (5) and the main shaft (4) form a clearance fit and penetrate through the end covers (6, 13) at both ends of the working chamber (18) together; the shaft sleeve (5) extends outside U-shaped openings (23) which are arranged at both ends of the end covers (6, 13) and arranged on the same generatrix; drive pins (15) are arranged on the locations of the main shaft (4) corresponding to the U-shaped openings (23); the middle part of the shaft sleeve (5) is provided with two sections of screw threads having the same thread pitch and opposite rotating directions, and rotating seats (77) in the two mechanical seals to be tested (7) are respectively arranged at the back sides of two nuts (8, 11) which are screwed thereon; the rotating seats (77) ...

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Номер записи: 2
21-07-2023 дата публикации

Recycling system for exhaust gas in production process of oil and gas field

Номер: CN116464911A
Автор: YANG ZEJUN, YANG TIANYU, ZHANG MING, FU DIANFU, HAO YUN, ZHENG HAIMIN, HU DONG, MA CHENBO, LIU XIN, LIU XIANGDONG
Принадлежит:

The invention relates to a recycling system for exhaust gas in the production process of an oil and gas field. The recycling system comprises a gas-liquid separator unit, an exhaust gas converging unit, a compressor unit, a scrubbing tank unit, a torch liquid separation tank and a controller, the gas-liquid separator unit is used for carrying out gas-liquid separation on crude oil, a gas phase outlet of the gas-liquid separator unit is connected with a gas inlet of the scrubbing tank unit, and a gas outlet of the scrubbing tank unit is respectively connected with the compressor unit and the torch liquid separation tank; the gas inlet end of the exhaust gas converging unit is respectively connected with a gas phase outlet of the gas-liquid separator unit and a gas inlet of the compressor unit, the gas outlet end of the exhaust gas converging unit is connected with a gas inlet of the scrubbing tank unit, and a control valve of the exhaust gas converging unit is connected with the controller ...

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Номер записи: 3
04-12-2014 дата публикации

PUMP-CONVEYED FLUID DYNAMIC-PRESSURE MECHANICAL SEAL

Номер: WO2014190825A1
Автор: SUN, Jianjun, HU, Qiong, ZHOU, Min, TU, Qiaoan, MA, Chenbo, YU, Bo
Принадлежит:

A pump-conveyed fluid dynamic-pressure mechanical seal is formed of a dynamic ring (3), a static ring (11), and the like. More than three reversely-bent fluid grooves (39) are opened on a sealing surface of the dynamic ring of the mechanical seal, an outlet is located at the outer diameter of the sealing surface of the dynamic ring, and an inlet (31) is connected to sealing cavity (1) through an opening (30) on the dynamic ring (3) or the static ring (11). During the rotation of the dynamic ring (3), a medium in the fluid groove (39) is accelerated to be a high-speed fluid; under the effect of a centrifugal force, the high-speed fluid flows to a side of the outer diameter of the dynamic ring (3) and is pumped and conveyed into the sealing cavity, and forms a low-pressure area at the inlet (31) of the reversely-bent fluid groove (39). Under the effect of a pressure difference, the medium inside the sealing cavity (1) flows into the reversely-bent fluid groove (39) through the opening (30 ...

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Номер записи: 4
25-04-2023 дата публикации

Marine circulating cooling water system parameter optimization method based on multi-objective decision

Номер: CN116011168A
Автор: QIN YIHAN, ZHU HAISHAN, GAO PENG, WEICHE, DOU PEIJU, LU XINYI, CHEN BANGMIN, JING YUXIAO, CHEN ZIJING, HU BIN, WANG HAIYAN, MA CHENBO
Принадлежит:

The invention relates to an offshore circulating cooling water system parameter optimization method based on multi-objective decision. Comprising the steps of obtaining attribute parameters of a cooling medium and heat exchange equipment, mastering system parameters of the cooled medium, setting boundary conditions of primary and secondary heat exchange temperature differences, inputting the parameters into a closed circulating cooling water system optimization model, and generating all parameter combination schemes meeting constraint conditions through an exhaustion method. And further classifying according to groups with the same primary heat exchange flow, performing descending sorting, and respectively selecting the primary heat exchange flow, the secondary heat exchange flow and the total heat exchange area as different decision targets to perform layered preferential screening so as to obtain a multi-parameter combination optimization scheme. And further setting a primary heat exchange ...

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Номер записи: 5
07-04-2023 дата публикации

Hypersonic velocity gas-solid interface atomic collision event statistical method

Номер: CN115935509A
Автор: HAN QUAN, TIAN JIAQUAN, XIA HAITAO, WU GENSHENG, MA CHENBO
Принадлежит:

The invention discloses a statistical method for atomic collision events of a hypersonic gas-solid interface. The method comprises the following steps: simulating high-speed flight of an object in a gas environment in NAMD software, and outputting position and speed information of all atoms in a system at different moments; counting all gas atoms possibly interacting with the front surface within a certain time period after the system is steady by using VMD software, and outputting coordinates, speeds and potential energy of the gas atoms; the moment when the gas atoms turn in the gas-solid primitive repulsive force layer is defined as a collision point, an incidence point of the gas atoms entering the attraction force layer is searched in the front order of the collision point, a reflection point of the gas atoms leaving is searched in the rear order of the collision point and recorded as a collision event, and collision event information of different atoms and the surface is obtained ...

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Номер записи: 6
04-08-2023 дата публикации

Integrated process design method suitable for unmanned wellhead platform of Bohai oilfield

Номер: CN116537749A
Автор: YI HUALEI, CHEN ZIJING, YANG TIANYU, JING YUXIAO, ZHANG MING, HAO YUN, XU HAIBO, LIU RENWEI, MA CHENBO, ZHAO YUEXIN
Принадлежит:

The invention relates to an integrated process design method suitable for an unmanned wellhead platform of an oil field in the Bohai Sea. The integrated process design method comprises the following steps that a crude oil mixture produced in a plurality of oil wells is gathered and heated through a production gathering and transportation system and then conveyed to an outer transportation sea pipe; after being heated and metered by the metering system, the material flow of a single well mouth is collected to a first pipeline of the production gathering and transportation system for external transportation; water from the water injection subsea pipeline is injected into the water injection well through the water injection system, or the water from the water injection subsea pipeline is conveyed into the first pipeline for replacement operation under the working condition that the mixed transportation subsea pipeline stops production and is replaced; sea pipe preheating operation before mixed ...

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Номер записи: 7
16-05-2023 дата публикации

High-speed rolling bearing with self-adaptive sealing and reinforced cooling structure

Номер: CN116123211A
Автор: SUN JIANJUN, RAO YUAN, MA CHENBO
Принадлежит:

The invention discloses a high-speed rolling bearing with a self-adaptive sealing and reinforced cooling structure, which comprises an inner ring and an outer ring, sealing end covers are arranged at the two ends of the inner ring, and a bearing cavity is formed among the inner ring, the outer ring and the sealing end covers; the end face of a ring body of the inner ring is a first sealing face, a sealing dam, a profiled groove area and a diffusion groove are arranged on the first sealing face from inside to outside in the radial direction, and a spiral groove is formed in the profiled groove area. The spiral groove is provided with a fluid outlet which is communicated with the diffusion groove and is opposite to the inner ring in rotation direction; the bearing cavity communicates with the spiral groove through the flow guide hole. The side face of the sealing end cover is a second sealing face, a bolt passes through a second elastic sealing gasket to install the sealing end cover on the ...

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Номер записи: 8
26-05-2023 дата публикации

Dry ice control system and method for release of offshore platform high-pressure carbon dioxide system

Номер: CN116164224A
Автор: LIU RENWEI, YANG TIANYU, ZHANG MING, YI HUALEI, HAO YUN, MA CHENBO, YANG ZEJUN, HE LEI, ZHAO JIANG
Принадлежит:

The invention discloses a dry ice control system and method for releasing of a high-pressure carbon dioxide system of an offshore platform. The method comprises the following steps: filling a CO2 low-temperature release tank with nitrogen or associated gas, and enabling the pressure in the CO2 low-temperature release tank to be higher than atmospheric pressure; when the high-pressure CO2 system of the offshore platform is discharged, discharged gas is discharged to the discharge manifold and then enters the CO2 low-temperature discharge tank, dry ice is prevented from being generated, and finally the discharged gas is discharged through the gas phase outlet pipeline connected to an outlet of the CO2 low-temperature discharge tank. The system mainly comprises a discharge manifold, a CO2 low-temperature discharge tank and a discharge main pipeline, the offshore platform high-pressure CO2 system is connected with the discharge manifold; an inlet pipeline and a gas phase outlet pipeline are ...

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Номер записи: 9