Decay heat removal system with hybrid heat pipe having coolant and neutron absorber for cooling nuclear power plant
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Jul 18, 2014
filing date -
Jul 18, 2013
priority date (Note) -
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Abstract
Disclosed is a decay heat removal system for cooling the decay heat of a reactor core and the spent fuel. The decay heat removal system including: a first heat pipe which is placed in an upper plenum of the reactor vessel and arranged in upward and downward directions corresponding to a position of an insertion hole formed on a top of the nuclear fuel assemblies; a control rod drive mechanism which is connected to an upper portion of the first heat pipe and drives the first heat pipe to move up and down so that the first heat pipe can be selectively inserted in a control rod insertion hole of the reactor core arranged in the nuclear reactor vessel; and a second heat pipe which is coupled to and in close contact with a bottom surface of the reactor vessel and removes the decay heat generated in the reactor core.
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