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CUBA OF A NUCLEAR PRESSURE WATER REACTOR, WHICH INCLUDES A COOLING WATER CIRCULATION DEVICE IN THE CUBA FUND.
CUBA OF A NUCLEAR PRESSURE WATER REACTOR, WHICH INCLUDES A COOLING WATER CIRCULATION DEVICE IN THE CUBA FUND.
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机译：核压水反应器的CUBA，在CUBA基金中包括冷却水循环装置。
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摘要
Cuba of a nuclear reactor, with water under pressure, in a globally cylindrical way, arranged in service with its axis (4) vertical and closed at its lower end by means of a domed bottom (1b), which includes, above the domed bottom (1b ), a support plate (5) of the heart (8) of the reactor, in a horizontal arrangement, which delimits with the domed bottom (1b) a bottom tank space (10) and means for directing an annular flow of water of pressure cooling from top to bottom on the periphery of the bottom space of the tank (10), as well as a cooling device (12) of the cooling water flow suspended below the heart support plate (5) (8) ), to soothe and homogenize the flow of cooling water in the bottom space of Cuba (10), before the cooling water enters the heart (8) of the reactor through openings (11) that cross the plate of support (5) of the heart (8), including the working device at least one cylindrical wall (14) with a parallel axis (4) to the axis of the tank coaxially arranged relative to the tank (1) of the nuclear reactor inside the bottom space of the tank, characterized in that the cylindrical wall (14) has one of the following forms: - cylindrical wall of circular section, whose diameter is less than 60% of the inside diameter of a cylindrical part (1a) of the tank (1); - wall with generatrices parallel to each other and to the axis of the wall, and a cross section in the form of a closed non-circular contour, and because it extends over a height included between 15 and 40% of the maximum height, in the direction axial, of the bottom space of Cuba (10).
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