专利名称：Sodium cooled fast reactor
发明人：Hiroshi Yamazaki,Hiroto Kawakami 申请号：US07/955056
申请日：19921001
公开号：US05265136A
公开日：
reactor419931123
专利内容由知识产权出版社提供
摘要：A sodium cooled fast ractor comprises a reactor vessel in which a liquid metal coolant is accommodated, a core disposed substantially a lower central portion of the reactor vessel in an installed state, a core support structure secured to the reactor vessel for supporting the core, the core support structure dividing an interior of the reactor vessel into a high-pressure plenum below the core and a low-pressure plenum above the high-pressure plenum, a circulation pump unit for applying a discharge pressure to the liquid metal coolant and circulating the same, and an intermediate heat exchanger for performing a heat exchanging operation of the coolant in the reactor vessel. The circulation pump unit is composed of an electromagnetic circulation pump provided with a discharge port and a closed gas space, which is filled up with a closed gas, defined above and communicated with the discharge port. The discharge port is also communicated with the high-pressure plenum, wherein the liquid metal coolant above the discharge port flows into the high-pressure plenum by the discharge gas pressure of the gas accummulated in the closed gas space by the actuation of the electromagnetic circulation pump at a time of trip thereof.
申请人：KABUSHIKI KAISHA TOSHIBA
代理机构：Oblon, Spivak, McClelland, Maier & Neustadt
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