Patent ID: 8599989

Claim:
A modular reactor head area assembly installed on a reactor head, the modular reactor head area assembly comprising; a seismic support structure comprising a seismic cap plate that supports an upper portion of a control rod driving apparatus inserted thereinto, and a seismic support ring beam coupled to and surrounding an outer circumference surface of the seismic cap plate; an upper module that is an assembly of components located at an upper portion of the seismic support structure and comprises an upper shroud shell detachably coupled to the seismic support ring beam, a plenum disposed on an upper portion of the upper shroud shell, a cooling fan disposed on the plenum, a shackle coupled to the plenum, and a tripod coupled to the shackle; a lower module that is an assembly of components located at a lower portion of the seismic support structure and of which an upper portion is coupled to the seismic support structure; and a main column accommodated in the upper module and lower module, and of which a first end is detachably coupled to the reactor head and a second end is detachably coupled to the tripod.