Patent ID: 9390820
Filing Date: 2016-07-12
CPC Classification: G21C,G21D,Y02E

Claim Text:
1. An underwater electricity production module comprising: an elongated cylindrical box comprising a reactor compartment which further comprises a reservoir chamber and a dry chamber, the elongated cylindrical box comprising a circumferential wall, an electricity production unit integrated in the elongated cylindrical box, the electricity production unit comprising a nuclear boiler which comprises a reactor container placed in the dry chamber and an electricity generator connected to an external electricity distribution station by electrical cables, at least one connecting element connecting the dry chamber to the reservoir chamber forming a safety water storage reservoir, wherein the circumferential wall comprises a first part delimiting reservoir chamber, the first part being in a direct heat exchange relationship with water of a marine environment surrounding the elongated cylindrical box, the reactor container being placed in a reactor pit having a first lower portion, the reservoir chamber having a second lower portion connected to the first lower portion through a water inlet duct placed along the circumferential wall and the reactor pit having a first upper portion, the reservoir chamber having a corresponding portion connected to the first upper portion through a water return duct, and wherein the nuclear boiler comprises a primary circuit which comprises at least one each of the reactor container, a pressurizer, a steam generator and a primary pump and a primary backup circuit in parallel on that primary circuit and including at least one primary passive heat exchanger placed in the reservoir chamber.