CORE CATCHER AND BOILING WATER NUCLEAR PLANT USING THE SAME
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United States of America Patent
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Issued Date -
Dec 14, 2017
app pub date -
Jun 7, 2017
filing date -
Jun 9, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
According to an embodiment, a core catcher has: a main body including: a distributor arranged on a part of a base mat in the lower dry well, a basin arranged on the distributor, cooling channels arranged on a lower surface of the basin connected to the distributor and extending in radial directions, and a riser connected to the cooling channels and extending upward; a lid connected to an upper end of the riser and covering the main body; a cooling water injection pipe open, at one end, to the suppression pool, connected at another end to the distributor; and chimney pipes connected, at one end, to the riser, another end being located above the upper end of the riser and submerged and open in the pool water.
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