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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 12. Отображено 12.
22-08-2012 дата публикации

Wear-resistance layers on surfaces of inner ring and outer ring of bypass variable mechanism of gas turbine and preparation method thereof

Номер: CN0101705842B
Автор: MINGYI HE, DINGJUN LI, ZHENGCHAO LI, WEI WANG, XUDONG XIANG, DAOJUN ZHANG, WEIGANG ZHANG, HE MINGYI, LI DINGJUN, LI ZHENGCHAO, WANG WEI, XIANG XUDONG, ZHANG DAOJUN, ZHANG WEIGANG
Принадлежит:

The invention discloses wear-resistance layers on the surfaces of an inner ring and an outer ring of a bypass variable mechanism of a gas turbine and a preparation method thereof. The wear-resistance layers are positioned on the inner bottom surface of the outer ring and the outer top surface and the lateral surfaces of the inner ring; and the wear-resistance layers are molybdenum coatings and are made by an air plasma spraying method. The molybdenum coatings have high hardness, low friction coefficient and uniformly distributed ports and can store oil, improve the corrosion resistance and wear resistance of the inner ring and the outer ring of the bypass mechanism, prolong the service life of workpieces and reduce cost. The preparation method of the invention adopts the air plasma spraying process, solves the problems of difficult molybdenum melting, easy coating oxidization and low spraying efficiency and successfully applies aluminum densified coatings to the bypass mechanism of the ...

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Номер записи: 1
11-04-2023 дата публикации

Novel safe high-pressure gas drainer

Номер: CN115949889A
Автор: XIANG XUDONG, LUO JIANHUI, TIAN BAOSHAN
Принадлежит:

The safe novel high-pressure gas drainer comprises a sealing tank, a purge tank and a control box, a first pneumatic valve is arranged between the top of the sealing tank and a conveying pipeline, and an inlet stop valve is arranged between the conveying pipeline and the first pneumatic valve; a second pneumatic valve and a third pneumatic valve are sequentially arranged between the bottom of the sealing tank and one end of the purge tank, a fourth pneumatic valve used for draining water is arranged at the bottom of the purge tank, an exhaust valve used for diffusing gas in the purge tank is arranged at the top of the purge tank, first liquid level meters are arranged on the two sides of the sealing tank respectively, and a second liquid level meter is arranged at one end of the purge tank. An interlocking protection mechanism is further arranged between the bottom of the sealing tank and the purge tank, all the valves are electrically connected with the control box, and the problems that ...

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Номер записи: 2
19-05-2010 дата публикации

Surface wear-resistant layer of high-pressure nozzle cascade of turbine and preparation method thereof

Номер: CN0101709657A
Автор: MINGYI HE, DINGJUN LI, ZHENGCHAO LI, WEI WANG, XUDONG XIANG, DAOJUN ZHANG, WEIGANG ZHANG, HE MINGYI, LI DINGJUN, LI ZHENGCHAO, WANG WEI, XIANG XUDONG, ZHANG DAOJUN, ZHANG WEIGANG
Принадлежит:

The invention provides a surface wear-resistant layer of a high-pressure nozzle cascade of a turbine and a preparation method thereof. The surface wear-resistant layer is a Cr3C2-NiCr coating; and after the cascade is welded to form a nozzle chamber, the surface wear-resistant layer is prepared by adopting a hypersonic flame spraying method, wherein the thickness of the Cr3C2-NiCr coating is between 0.15 and 0.20 millimeter. The surface wear-resistant Cr3C2-NiCr coating enhances the performance of wear resistance and high-temperature resistance of workpieces, has small thermal stress, makes the workpieces insusceptible to cracking during use and effectively improves the service life of the workpieces. The preparation process of the Cr3C2-NiCr coating overcomes the drawback of easy cracking of the surface coating prepared by the conventional process that the cascade is formed by welding through carburization and chromizing, avoids tempering, has simple and easy-to-operate technical process ...

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Номер записи: 3
11-02-2015 дата публикации

Method for diluting coke oven gas firing by using nitrogen

Номер: CN104342527A
Автор: REN GUOQING, ZHOU WENSHENG, SHU YI, ZHANG YONGWANG, WANG ZONGLE, XIANG XUDONG, HE PINGHUI
Принадлежит:

The invention provides a method for diluting coke oven gas firing by using nitrogen. Before a hot-blast stove is fired, the coke oven gas pressure is controlled within 9-12 kPs, and the nitrogen pressure is controlled within 1.6-2.2 MPa; the coke oven gas is leaded in a blast furnace gas pipe for the firing of the hot-blast stove; a nitrogen main pipe valve is opened by 20% of gas flow; when gas is turned on, and a 1# hot-blast stove branch pipe is cut off, the gas pressure for the firing is controlled within 5-8 kPa, the coke oven gas flow for the firing is controlled within 8000-10000 m3/h, the gas flow for the firing is controlled within 16000-25000 m3/h, the residual oxygen quantity for the firing of the hot-blast stove is controlled within 1-2%, three hot-blast stoves are burned in sequence, and cannot be burnt synchronously; the hot-blast stove is burnt 24 hours in advance; the waste gas temperature is totally burnt to 350 DEG C; the hot wind temperature is 750-800 DEG C; the blast ...

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Номер записи: 4
23-05-2023 дата публикации

Tortoise-turtle greenhouse incubation system with temperature control and incubation progress monitoring functions and incubation method

Номер: CN116138213A
Автор: XIANG XUDONG, ZHU XIAOLING, XIA XIANSHUI, WANG FEIFEI, SHEN XUNCHAO
Принадлежит:

The invention relates to a testudinate greenhouse incubation system with temperature control and incubation progress monitoring and an incubation method.The system is provided with a main constant temperature box, a fire pan is installed on the lower portion of the main constant temperature box, and a heat insulation control assembly is arranged in the middle of the main constant temperature box; sliding rail sets evenly distributed in the vertical direction are installed on the upper portion of the main constant temperature box. A storage plate is mounted on each sliding rail group in a sliding manner; and monitoring and humidifying equipment is also mounted on the main constant-temperature box. The testudinate egg hatching device is convenient to use, a large number of testudinate eggs can be heated and hatched, heat preservation and temperature control in the hatching process are achieved by controlling sliding of the blocking plate and lifting of the heat preservation plate, manual ...

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Номер записи: 5
30-06-2023 дата публикации

Device for collecting and treating wastewater generated by greenhouse turtle breeding

Номер: CN116351129A
Автор: XIANG XUDONG, ZHU XIAOLING, XIA XIANSHUI, WANG FEIFEI, SHEN XUNCHAO
Принадлежит:

The invention relates to the technical field of turtle breeding, in particular to a collection and treatment device for wastewater generated in greenhouse turtle breeding, the collection and treatment device comprises a treatment box with a collection port and a discharge port, and a hidden moving mechanism arranged at the bottom of the treatment box, and a collection inclined plate, a first filter partition plate, a second filter partition plate and a box partition plate are arranged in the treatment box; a connecting partition plate is connected between the first filtering partition plate and the second filtering partition plate, and water spraying cleaning mechanisms are arranged at the inclined upper ends of the first filtering partition plate and the second filtering partition plate. The problems that only one filtering assembly is arranged in the prior art, and filtering is not thorough are solved; the problem that the filtering effect is reduced after long-term use due to the fact ...

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Номер записи: 6
11-11-2015 дата публикации

Device for preventing blast furnace stave scaling loss

Номер: CN0204752770U
Автор: FU TAO, NIU JING, XIANG XUDONG, JIN SONG
Принадлежит:

The utility model relates to a protection blast furnace stave's device, especially a device for preventing blast furnace stave scaling loss, including blast furnace stave, install the bimetal temperature on blast furnace stave's the backwater branch pipe and measuring the reconciliation statement, installing the solenoid valve on the drain pipe of blast furnace stave's upper portion, the bimetal temperature is measured the reconciliation statement and is transfered the solenoid valve on the cooling wall drain pipe through control circuit with the signal, and the row water piping connection that the solenoid valve is connected the return water ring canal. The utility model is simple and reasonable in structure, can prevent the cooling wall damage, reduce the intensity of workman's work, can improve work efficiency.

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Номер записи: 7
02-05-2023 дата публикации

Novel coal gas purification device

Номер: CN116042278A
Автор: XIANG XUDONG, LUO JIANHUI, TIAN BAOSHAN
Принадлежит:

A base is arranged at the bottom of a lower sealing head, a liquid discharging pipe is arranged on the lower sealing head, a loading assembly comprises a crane reinforcing ring arranged on an upper sealing head, a bearing column used in cooperation with the crane reinforcing ring, a crane installed on the bearing column and a loading pipe, and a liquid discharging assembly is arranged on the loading pipe. The charging pipe is inserted into the upper section of the barrel from the top of the upper sealing head, and the discharging assembly comprises a material sliding pipe fixedly connected to one side of the barrel and a rotation hole formed in the material sliding pipe; the purification assembly comprises a gas pipe inserted from the bottom of the cylinder body, a support frame which is arranged on the lower sealing head and the end part of which is arranged at the middle section of the cylinder body, conical umbrellas which are arranged on the two sides of the support frame and are used ...

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Номер записи: 8
07-04-2023 дата публикации

Automatic testudinate egg placing equipment based on greenhouse culture of testudinate

Номер: CN115918602A
Автор: XIANG XUDONG, XIA XIANSHUI, ZHU XIAOLING, WANG FEIFEI, SHEN XUNCHAO
Принадлежит:

The invention relates to a device for automatically placing testudinate eggs based on greenhouse breeding testudinate, which is provided with a thick base, a storage plate is arranged on the right part of the thick base, storage grooves are uniformly distributed in the storage plate, and a bearing seat is mounted on the left part of the thick base; an auxiliary seat is mounted on the left of the bearing seat. Three protective plates are arranged on the auxiliary seat; an incubation plate is hinged to the left part of the three-side protection plate; an inclined sliding plate is installed on the right of the bearing seat. An inverted-U-shaped base and a two-dimensional driving control assembly connected with the storage plate are installed on the right portion of the thick base. And the inverted U-shaped seats are respectively provided with feeding auxiliary equipment. The testudinate egg conveying device can control testudinate eggs to be conveyed and horizontally arrange the testudinate ...

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Номер записи: 9
21-07-2023 дата публикации

Ultralow-frequency DNA mutation recognition method and device based on dual sequencing

Номер: CN116469462A
Автор: PU DAN, YU FEI, XIANG XUDONG, QIN SENBIAO, QIU XINYU, LI XIN
Принадлежит:

The invention discloses an ultralow-frequency DNA mutation recognition method and device based on dual sequencing, and the method and device comprise the steps: (1) evaluating the quality of original sequencing data, reducing the data noise, and providing effective data for subsequent analysis; (2) grouping the read segments according to the barcodes to form a read fault, extracting the barcodes on each read segment in the read fault to carry out error correction, and returning the corrected barcodes to the read segments again; (4) performing intra-group multi-sequence alignment on read fairly, calculating a consensus quality score of a current position according to the frequency of a main basic group at each position, and generating a single-chain consistent sequence to eliminate mutation introduced in a library preparation or PCR process; (5) constructing a double-strand consistency sequence according to the single-strand consistency sequence, and further excluding asymmetric mutation ...

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Номер записи: 10
16-06-2010 дата публикации

Surface wear-resisting layer of gas turbine compressor blade and blade root and manufacturing method thereof

Номер: CN0101737352A
Автор: MINGYI HE, DINGJUN LI, ZHENGCHAO LI, WEI WANG, XUDONG XIANG, DAOJUN ZHANG, WEIGANG ZHANG, HE MINGYI, LI DINGJUN, LI ZHENGCHAO, WANG WEI, XIANG XUDONG, ZHANG DAOJUN, ZHANG WEIGANG
Принадлежит:

The invention provides a surface wear-resisting layer of gas turbine compressor blade and blade root and a manufacturing method thereof. The surface wear-resisting layer is positioned on the contact surface of blade bottom and an impeller, and is a coating which is made of copper-nickel indium alloy powder; the copper-nickel indium alloy powder comprises the following components: 50-60 wt% of copper powder, 30-40 wt% of nickel powder, 3-10 wt% of indium powder; and a supersonic speed flame spraying method is used to spray the copper-nickel indium alloy powder on the surface of the blade root. The thickness of the coating is 0.07-0.09 mm. The surface wear-resisting layer of the invention is a fretting wear-resisting layer, which enhances blade fretting fatigue resistance, and prolongs the service life of products. the supersonic speed flame spraying (AC-HVAF) process method is adopted to prepare the copper-nickel-indium coating with lower porosity and high bonding strength; the method simplifies ...

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Номер записи: 11
12-05-2010 дата публикации

Wear-resistance layers on surfaces of inner ring and outer ring of bypass variable mechanism of gas turbine and preparation method thereof

Номер: CN0101705842A
Автор: MINGYI HE, DINGJUN LI, ZHENGCHAO LI, WEI WANG, XUDONG XIANG, DAOJUN ZHANG, WEIGANG ZHANG, HE MINGYI, LI DINGJUN, LI ZHENGCHAO, WANG WEI, XIANG XUDONG, ZHANG DAOJUN, ZHANG WEIGANG
Принадлежит:

The invention discloses wear-resistance layers on the surfaces of an inner ring and an outer ring of a bypass variable mechanism of a gas turbine and a preparation method thereof. The wear-resistance layers are positioned on the inner bottom surface of the outer ring and the outer top surface and the lateral surfaces of the inner ring; and the wear-resistance layers are molybdenum coatings and are made by an air plasma spraying method. The molybdenum coatings have high hardness, low friction coefficient and uniformly distributed ports and can store oil, improve the corrosion resistance and wear resistance of the inner ring and the outer ring of the bypass mechanism, prolong the service life of workpieces and reduce cost. The preparation method of the invention adopts the air plasma spraying process, solves the problems of difficult molybdenum melting, easy coating oxidization and low spraying efficiency and successfully applies aluminum densified coatings to the bypass mechanism of the ...

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Номер записи: 12