公开(公告)号：US20190237210A1

公开(公告)日：2019-08-01

申请号：US16257776

申请日：2019-01-25

申请人： Westinghouse Electric Company LLC

发明人： Timothy M. Lloyd ,  Robert D. Quinn ,  Emiliano Gonzalez Herranz ,  Emmanuel Mercier ,  David Castrillon Cabaleiro

IPC分类号： G21F5/008

CPC分类号： G21F5/008 ,  G21C19/40 ,  G21F5/06 ,  G21F9/34

摘要： A modular dry spent fuel canister system in which several different types of inner spent nuclear fuel canisters can be loaded into the same outer cask family. This family typically includes a storage overpack, a transfer cask, a transportation cask and support or auxiliary hardware. The various canisters can be loaded interchangeably into the different types of outer casks. The inner canisters are differentiated not by physical fuel type or dimension, but by the engineering objective or criterion that applies to the spent fuel being stored. One such objective may be for a single canister to store a large number of assemblies economically and safely. A second is a canister designed to greatly reduce the cooling time (or radioactive decay time) that must pass in order to load spent nuclear fuel for off-site storage, so as to meet the decay heat requirements and capabilities of the off-site storage system.

公开(公告)号：US10315238B1

公开(公告)日：2019-06-11

申请号：US16181616

申请日：2018-11-06

申请人： Deep Isolation, Inc.

发明人： Richard A. Muller

IPC分类号： B09B1/00 ,  G21F9/36 ,  G01N33/24 ,  G21F5/008 ,  G21F5/14 ,  E21B41/00 ,  E21B43/00 ,  E21B49/08 ,  G01T1/169

摘要： Techniques for testing subterranean water for one or more radioactive isotopes for a hazardous waste material repository include collecting, from a test drillhole formed from a terranean surface to a subterranean formation, a subterranean water sample from the subterranean formation; determining, with an accelerator mass spectrometry (AMS) system, a concentration of a radioactive isotope of an element in the subterranean water sample relative to a stable isotope of the element in the subterranean water sample; comparing the determined concentration of the radioactive isotope of the element in the subterranean water sample with a concentration of the radioactive isotope of the element in a surface water sample relative to the stable isotope of the element in the surface water sample; and based on the determined concentration of the radioactive isotope in the subterranean water sample being a specified percentage of the concentration of the radioactive isotope in the surface water sample, determining that the subterranean formation is a hazardous waste storage repository.

公开(公告)号：US10297356B2

公开(公告)日：2019-05-21

申请号：US15584692

申请日：2017-05-02

申请人： Holtec International

发明人： Richard M. Springman ,  Stephen J. Agace ,  Krishna P. Singh

IPC分类号： G21F5/008 ,  G21F5/06 ,  G21F9/34 ,  G21C19/06 ,  G21F5/12 ,  G21F5/14

摘要： A fuel storage system for storing and drying nuclear fuel rods includes a vertically oriented capsule defining an internal cavity. A plurality of fuel rod storage tubes is disposed in the cavity. In one embodiment, each storage tube has a transverse cross section configured and dimensioned to hold no more than one fuel rod. Intact or damaged fuel rods may be stored in the storage tubes. After the fuel rods are loaded into the capsule, a lid is attached to a previously open top end of the capsule. In one embodiment, the lid may be sealed welded to the capsule for forming a gas tight enclosure. The interior of the capsule and multiple fuel rods contained therein may be dried together simultaneously via flow conduits formed in the lid that can be fluidly connected to a suitable drying process such as a forced gas dehydration system.

公开(公告)号：US20180308596A1

公开(公告)日：2018-10-25

申请号：US15768797

申请日：2016-10-13

申请人： TN International

发明人： Guillaume De Dinechin ,  Loïc Palomar ,  Hervé Ripert

IPC分类号： G21F5/10 ,  G21F5/008

CPC分类号： G21F5/10 ,  G21F5/008

摘要： The invention concerns a package for transporting and/or storing radioactive materials. The package comprises a wall element (26) and a cooling element (31, 32) attached to the wall element (26) and protruding from the wall element (26) towards the outside of the package. The cooling element (31, 32) comprises a base (40) and at least one fin (35) rigidly connected to the base (40). The base (40) extends to either side of the fin (35) respectively towards two opposing lateral ends of the base, each of the lateral ends being attached to the wall element (26) via a weld.

公开(公告)号：US10026514B2

公开(公告)日：2018-07-17

申请号：US14590506

申请日：2015-01-06

申请人： Holtec International, Inc.

发明人： Krishna P. Singh ,  Stephen J. Agace

IPC分类号： G21F5/012 ,  G21F5/005 ,  G21F5/008 ,  G21F5/10 ,  G21F5/12 ,  G21F5/00

摘要： A canister apparatus, basket apparatus and combinations thereof for transporting and/or storing high level radioactive waste, such as spent nuclear fuel. In one embodiment, the invention can be a basket apparatus for supporting a plurality of spent nuclear fuel rods within a containment structure, the basket apparatus comprising a plurality of disk-like grates, each disk-like grate having a plurality of cells formed by a gridwork of beams; and means for supporting the disk-like grates in a spaced arrangement with respect to one another and so that the cells of the disk-like grates are aligned.

公开(公告)号：US10020084B2

公开(公告)日：2018-07-10

申请号：US13829084

申请日：2013-03-14

申请人： EnergySolutions, LLC

发明人： Robert A. Lehnert ,  Brandon D. Thomas ,  Steven E. Sisley

IPC分类号： G21C19/00 ,  G21F5/008 ,  G21C19/40

CPC分类号： G21F5/008 ,  G21C19/40

摘要： A system and method for managing spent nuclear fuel includes a small capacity canister that preferably encloses or encapsulates a single spent nuclear fuel rod assembly but can enclose up to six spent nuclear fuel rod assemblies. The canister is air tight and prevents radioactive material from escaping. The canister is loaded by positioning a single spent nuclear fuel rod assembly in the canister and then closing the canister to make it air tight.

公开(公告)号：US20180182504A1

公开(公告)日：2018-06-28

申请号：US15897481

申请日：2018-02-15

申请人： Richard A. Muller ,  Elizabeth A. Muller

发明人： Richard A. Muller ,  Elizabeth A. Muller

IPC分类号： G21F5/008 ,  B09B1/00 ,  G21F9/34

CPC分类号： G21F5/008 ,  B09B1/00 ,  B09B1/008 ,  E21B41/005 ,  E21B43/00 ,  G21F9/165 ,  G21F9/304 ,  G21F9/34

摘要： A hazardous material storage bank includes a wellbore extending into the Earth and including an entry at least proximate a terranean surface, the wellbore including a substantially vertical portion, a transition portion, and a substantially horizontal portion; a storage area coupled to the substantially horizontal portion of the well bore, the storage area within or below a shale formation, the storage area vertically isolated, by the shale formation, from a subterranean zone that includes mobile water; a storage container positioned in the storage area, the storage container sized to fit from the wellbore entry through the substantially vertical, the transition, and the substantially horizontal portions of the wellbore, and into the storage area, the storage container including an inner cavity sized enclose hazardous material; and a seal positioned in the wellbore, the seal isolating the storage portion of the wellbore from the entry of the wellbore.

公开(公告)号：US10008299B2

公开(公告)日：2018-06-26

申请号：US15447687

申请日：2017-03-02

申请人： NAC INTERNATIONAL INC.

发明人： Jay G. Wellwood ,  George C. Carver ,  Vadim Z. Shtylman

IPC分类号： G21F5/00 ,  G21F5/005 ,  G21F5/008 ,  G21F5/14

CPC分类号： G21F5/005 ,  G21F5/14

摘要： A container is designed to safely store radioactive debris from, for example, a nuclear reactor meltdown, in water or air. The container, with preferably although not necessarily all metal parts, has an overpack having an elongated cylindrical body extending between a top end and a bottom end, a planar bottom part at the bottom end, an open top at the top end, and a circular planar lid mounted over the open top. A basket is situated inside of the overpack. The basket has a plurality of elongated cylindrical canisters that are in parallel along their lengths. Each of the canisters has an elongated cylindrical body extending between a top end and a bottom end, a planar bottom part at the bottom end, an open top at the top end, and a circular planar lid mounted over the open top.

公开(公告)号：US20180130566A1

公开(公告)日：2018-05-10

申请号：US15569296

申请日：2016-04-26

申请人： WATS Co., Ltd. ,  IHI Construction Materials Co., Ltd. ,  MURATA ENGINEERING Co., Ltd.

发明人： Yoshio HIDA ,  Hiroaki KATO ,  Takashi MURATA ,  Masakatsu UEHARA

IPC分类号： G21F9/30 ,  G21F5/008 ,  G21F9/34 ,  G21F5/06

CPC分类号： G21F9/304 ,  G21F5/005 ,  G21F5/008 ,  G21F5/06 ,  G21F5/10 ,  G21F9/34 ,  G21F9/36

摘要： The present invention provides a spent nuclear fuel assembly storage including a metal cask which stores a spent nuclear fuel assembly and a container body which stores the metal cask and has a substantially hexagonal tubular shape, and an assembly of the spent nuclear fuel assembly storage containers, and a method of assembling the spent nuclear fuel assembly storage container.

公开(公告)号：US09916912B2

公开(公告)日：2018-03-13

申请号：US14474448

申请日：2014-09-02

申请人： AREVA GMBH

发明人： Wolfgang Hummel ,  Egon Neubauer ,  Werner Hoefers ,  Klaus Kurzer

IPC分类号： G21F5/008 ,  G21C19/32 ,  G21C19/08

CPC分类号： G21C19/32 ,  F26B3/04 ,  F26B5/12 ,  F26B21/00 ,  F26B21/04 ,  F26B25/06 ,  F26B25/22 ,  G21C3/32 ,  G21C3/334 ,  G21C3/34 ,  G21C17/06 ,  G21C19/08 ,  G21C19/26 ,  G21F5/008 ,  G21F5/12 ,  G21Y2002/303 ,  G21Y2004/504

摘要： A method for encapsulating a fuel rod or a fuel rod section in a container includes inserting the fuel rod or fuel rod section into the container. One of the ends of the container is connected to a purging-gas line. The container is dehydrated and purged by use of a purging gas. The ends of the container are connected to a bypass line in such a way that a closed gas circuit is produced and a hot gas is circulated in the gas circuit until the absolute moisture content reaches an end value at which the absolute moisture content no longer rises. The container is disconnected from the gas circuit and subsequently the container is closed in a fluid-tight manner at both ends.