公开(公告)号：US10170211B2

公开(公告)日：2019-01-01

申请号：US15241553

申请日：2016-08-19

申请人： Atomic Energy Of Canada Limited / Énergie Atomique Du Canada Limitée

发明人： Bhaskar Sur ,  Lakshman Rodrigo ,  Richard Didsbury

IPC分类号： G21C23/00 ,  G21G1/02 ,  G21G1/00

摘要： A method of collecting 3He from a nuclear reactor may include the steps of a) providing heavy water at least part of which is exposed to a neutron flux of the reactor, b) providing a cover gas in fluid communication with the heavy water, c) operating the nuclear reactor whereby thermal neutron activation of deuterium in the heavy water produces tritium (3H) and at least some of the tritium produces 3He gas by β− decay and at least a portion of the 3He gas escapes from the heavy water and mixes with the cover gas, d) extracting an outlet gas stream, the outlet gas stream comprising a mixture of the cover gas and the 3He gas and e) separating the 3He gas from the outlet gas stream.

公开(公告)号：US20160372226A1

公开(公告)日：2016-12-22

申请号：US15241553

申请日：2016-08-19

申请人： Atomic Energy Of Canada Limited / Énergie Atomique Du Canada Limitée

发明人： Bhaskar Sur ,  Lakshman Rodrigo ,  Richard Didsbury

IPC分类号： G21G1/02 ,  G21G1/00 ,  G21C23/00

CPC分类号： G21G1/02 ,  G21C23/00 ,  G21G1/001

摘要： A method of collecting 3He from a nuclear reactor may include the steps of a) providing heavy water at least part of which is exposed to a neutron flux of the reactor, b) providing a cover gas in fluid communication with the heavy water, c) operating the nuclear reactor whereby thermal neutron activation of deuterium in the heavy water produces tritium (3H) and at least some of the tritium produces 3He gas by β− decay and at least a portion of the 3He gas escapes from the heavy water and mixes with the cover gas, d) extracting an outlet gas stream, the outlet gas stream comprising a mixture of the cover gas and the 3He gas and e) separating the 3He gas from the outlet gas stream.

摘要翻译： 从核反应堆收集3He的方法可以包括以下步骤：a）提供重水，其至少一部分暴露于反应堆的中子流，b）提供与重水流体连通的覆盖气体，c） 操作核反应堆，其中重水中氘的热中子活化产生氚（3H），并且至少一些氚通过β-衰变产生3He气体，并且至少一部分3He气体从重水中逸出并与 所述覆盖气体，d）提取出口气体流，所述出口气流包括所述覆盖气体和所述3He气体的混合物，以及e）从所述出口气体流中分离出所述3He气体。

公开(公告)号：US11169282B2

公开(公告)日：2021-11-09

申请号：US16331240

申请日：2017-09-07

申请人： Atomic Energy of Canada Limited / Énergie Atomique du Canada Limitée

发明人： Bhaskar Sur ,  Gang Li ,  Ghaouti Bentoumi ,  Liqian Li

IPC分类号： G01T1/22 ,  G08C23/04 ,  G01T1/20 ,  G01D21/00 ,  G01T1/178 ,  G01T1/204 ,  G01T1/208 ,  G21C17/108

摘要： An apparatus for use in making localized passive measurements of electromagnetic radiation emitted from an object located in a radioactive environment includes a hollow elongate conduit having a first end, a second end, and a reflective inner surface. The first end of the conduit is positionable in the radioactive environment proximate the object, and the second end of the conduit is positionable outside the radioactive environment. The conduit has at least one bend between the first end and the second end, such that light entering the first end of the conduit is reflected by the inner surface of the conduit at least once as it travels through the conduit before reaching the second end. A detector in optical communication with the second end of the conduit is configured to detect electromagnetic radiation that reaches the second end.

公开(公告)号：US10964438B2

公开(公告)日：2021-03-30

申请号：US15712898

申请日：2017-09-22

申请人： Atomic Energy Of Canada Limited / Énergie Atomique Du Canada Limitée

发明人： Bryan van der Ende ,  Bhaskar Sur

IPC分类号： G21C17/07 ,  G21C17/108 ,  G21C17/10 ,  G01T3/00

摘要： A system for monitoring fissile material contents inside of a nuclear reactor can include at least a first neutron detector positioned outside a radiation shield and configured to detect a plurality of neutrons originating from the reactor core and having passed through the radiation shield, and configured to generate a first output signal, and a controller communicably linked to the first neutron detector to receive the first output signal and a power output of the nuclear reactor.