公开(公告)号：WO2015191453A1

公开(公告)日：2015-12-17

申请号：PCT/US2015/034678

申请日：2015-06-08

Applicant: BABCOCK & WILCOX MPOWER, INC.

Inventor： EDWARDS, Tyler A. ,  NEELEY, Gary W. ,  INMAN, James B.

IPC: G21C9/016

CPC classification number: G21C9/00 ,  G21C9/016 ,  Y02E30/40

Abstract: A nuclear reactor includes a reactor core disposed in a reactor pressure vessel. A radiological containment contains the nuclear reactor and includes a concrete floor located underneath the nuclear reactor. An ex vessel corium retention system includes flow channels embedded in the concrete floor located underneath the nuclear reactor, an inlet in fluid communication with first ends of the flow channels, and an outlet in fluid communication with second ends of the flow channels. In some embodiments the inlet is in fluid communication with the interior of the radiological containment at a first elevation and the outlet is in fluid communication with the interior of the radiological containment at a second elevation higher than the first elevation. The radiological containment may include a reactor cavity containing a lower portion of the pressure vessel, wherein the concrete floor located underneath the nuclear reactor is the reactor cavity floor.

Abstract translation: 核反应堆包括设置在反应堆压力容器中的反应堆芯。 放射性容纳物包含核反应堆，并包括位于核反应堆下方的混凝土地板。 一种前血管ium ium保持系统包括嵌入在核反应堆下方的混凝土地板中的流动通道，与流动通道的第一端流体连通的入口以及与流动通道的第二端流体连通的出口。 在一些实施例中，入口在第一高度处与放射性容纳物的内部流体连通，并且出口在高于第一高度的第二高度处与放射性容纳物的内部流体连通。 放射性容纳物可以包括含有压力容器下部的反应器空腔，其中位于核反应堆下方的混凝土地板是反应堆空腔底板。

公开(公告)号：WO2015191432A1

公开(公告)日：2015-12-17

申请号：PCT/US2015/034650

申请日：2015-06-08

Applicant: BABCOCK & WILCOX MPOWER, INC.

Inventor： SPEAKER, Daniel P. ,  NEELEY, Gary W. ,  INMAN, James B.

IPC: G21C5/00 ,  G21C9/00 ,  G21C11/06

CPC classification number: G21C11/00 ,  G21C11/028 ,  G21F3/04 ,  Y02E30/40

Abstract: A nuclear reactor includes a reactor pressure vessel and a nuclear reactor core comprising fissile material disposed in a lower portion of the reactor pressure vessel. The lower portion of the reactor pressure vessel is disposed in a reactor cavity. An annular neutron stop is located at an elevation above the uppermost elevation of the nuclear reactor core. The annular neutron stop comprises neutron absorbing material filling an annular gap between the reactor pressure vessel and the wall of the reactor cavity. The annular neutron stop may comprise an outer neutron stop ring attached to the wall of the reactor cavity, and an inner neutron stop ring attached to the reactor pressure vessel. An excore instrument guide tube penetrates through the annular neutron stop, and a neutron plug comprising neutron absorbing material is disposed in the tube at the penetration through the neutron stop.

Abstract translation: 核反应堆包括反应堆压力容器和包含设置在反应堆压力容器的下部的裂变材料的核反应堆堆芯。 反应堆压力容器的下部设置在反应器腔中。 环形中子站位于核反应堆核心最上方的高度上方。 环形中子站包括填充反应堆压力容器和反应器腔壁之间的环形间隙的中子吸收材料。 环形中子停止件可以包括附接到反应器腔的壁的外部中子停止环和附接到反应堆压力容器的内部中子停止环。 穿孔仪器引导管穿过环形中子停止件，并且包含中子吸收材料的中子塞在通过中子停止点的穿透处设置在管中。