Protection device used for protecting off-heap trapping device

• Main Authors: HUANG XIAOLIN, YUAN FANG, GOU HONGLIANG, YANG YONG
• Format: Patent
• Language: Chinese; English
• Published: 30.06.2017
• Subjects: NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR REACTORS; PHYSICS

The invention provides a protection device used for protecting an off-heap trapping device. The device comprises a thermal-insulating layer, a cover plate for resisting steam explosion loads and a bottom reinforcing component. According to the protection device used for protecting the off-heap trapping device, under the action of the off-heap steam explosion loads, the structural integrity of the off-heap trapping device can be guaranteed, so that the off-heap trapping device continues to play a role of cooling and suspending melt. The problem that a traditional off-heap trapping device can only be used in a working condition of a dried heaping cavity is solved, the range of application of the off-heap trapping device is broadened, and the safety of a nuclear power station under the working condition of extreme accidents is further guaranteed. 本发明提供种用于保护堆外捕集器的保护装置，其包括：隔热层、抵御蒸汽爆炸荷载的盖板和底部加强部件。本发明提供的用于保护堆外捕集器的保护装置，可以在堆外蒸汽爆炸荷载的作用下，保证堆外捕集器的结构完整性，使其继续发挥熔融物冷却和滞留的作用。解决了传统堆外捕集器只能用于干堆腔工况的问题，提高了堆外捕集器的适用范围，进步保证了核电站在极端事故工