Hydraulic blasting detection device and method for fuel rod of annular fuel assembly

The invention belongs to the technical field of nuclear fuel element detection, and particularly relates to a hydraulic blasting detection device and method for a fuel rod of an annular fuel assembly. The device comprises a connector, a hoop and a compression nut, by means of the device and the method, the conical surface of the connector is matched with the conical surface of the hoop, the flared pipe is tightly connected with the connector and the hoop through the compression nut, and sealing is good; the hoop can be repeatedly used after being taken down, and the detection cost is low; and the process is simple and easy to operate. 本发明属于核燃料元件检测技术领域，具体涉及一种环形燃料组件燃料棒液压爆破检测的装置及方法。装置包括接头、卡箍和压紧螺母，利用本装置和方法，本发明接头锥面与卡箍锥面相匹配，通过压紧螺母的使期间的扩口管与接头和卡箍紧密连接，密封良好；卡箍取下后可重复使用，检测成本低；过程简单，易于操作。