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BLOW-OFF DEVICE FOR OVERPRESSURE LIMITATION AT NUCLEAR POWER PLANTS, ESPECIALLY AT SOW-WATER NUCLEAR POWER PLANTS
BLOW-OFF DEVICE FOR OVERPRESSURE LIMITATION AT NUCLEAR POWER PLANTS, ESPECIALLY AT SOW-WATER NUCLEAR POWER PLANTS
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机译:核电厂,特别是母排水核电厂超压限制的排放装置
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摘要
In a blow-off device for limiting excess pressure in nuclear power plants, at least one condensation tube disposed so that a lower outlet end thereof is immersed in a volume of water in a condensation chamber having a gas cushion located in a space above the volume of water, and the upper inlet end of the condensation tube extending out of the volume of water and being connectible to a source of steam that is to be condensed or a steam-air mixture, the outlet end of the condensation tube, for smoothing the condensation, being provided with wall parts forming passages extending in axial direction, delimited from one another and terminating in the water volume, the wall parts serving to subdivide steam flow from the source thereof and bubbles produced thereby in the water volume, the wall parts being constructed as a tube attachment and being formed with an opening corresponding to the outlet end of the condensation tube and by means of which the tube attachment is mounted on the outlet end of the condensation tube, a first group of the wall parts in the tube attachment being disposed in alignment with the outlet end of the condensation tube, and a second group of the wall parts surrounding the first group thereof, the passages formed by the second group of the wall parts communicating laterally with the passages formed by the first group of the wall parts, the passages formed by the second group of the wall parts, at least at the upper ends thereof, communicating with the water volume.
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