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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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Применить Всего найдено 2. Отображено 2.
04-12-2015 дата публикации

ROTARY SHAFT BUNDLE FOR MOUNTING ROTARY BLADE ONTO BLENDER

Номер: KR101574654B1
Автор: LEE, KWANG TAE
Принадлежит: ARA CO., LTD., LEE, KWANG TAE

The present invention relates to a rotary shaft bundle for mounting rotary blades onto a blender. The rotary shaft bundle includes: a rotary shaft (10); a bearing (20) installed on the rotary shaft (10); upper and lower oil chambers (31, 32) which are arranged on the upper and lower parts of the bearing (20) to seal the oil in the bearing (20) to prevent oil from leaking; a housing body (40) including a hollow unit (S1) formed to be open in a downward direction in order to store the bearing (20) and the upper and lower oil chambers (31, 32), and a shaft through-hole (40c) connected to the hollow unit (S1) through which the rotary shaft (10) penetrates; and a housing plug which is coupled to the lower part of the housing body (40) to seal the hollow unit (S1) of the housing body (30). The bearing (20) and upper and lower oil chambers (31, 32) are arranged to be in close contact with the inner peripheral surface (40a) of the housing body (40). Multiple heat emission grooves (70) are formed ...

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Номер записи: 1
13-10-2015 дата публикации

TREATING METHOD FOR WASTE WATER CONTAINING FLUOROBORIC ACID PRODUCED IN ETCHING PROCESS

Номер: KR101559852B1
Автор: CHOI, DONG EON, LEE, KWANG TAE
Принадлежит: OSK CO., LTD.

The present invention relates to a treating method for wastewater containing fluoroboric acid produced in an etching process, and more particularly to a method which may include the steps of: a neutralization step of injecting wastewater containing fluoroboric acid into a first reactor and mixing with slaked lime sludge; a first supernatant separating step of separating supernatant by transporting the neutralized mixture to a first sedimentation tank; a quicklime reaction step of injecting the supernatant separated by the first supernatant separating step into a second reactor and mixing with quicklime to make a reaction; a second supernatant separating step of transporting the mixture into the second sedimentation tank and separating the supernatant; a coagulation step of removing fluorine remaining in the supernatant by injecting the supernatant into a third reactor and mixing a coagulant; and a third supernatant separating step of separating supernatant by transporting the supernatant ...

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Номер записи: 2