Ice plug isolation device for nuclear power station

The utility model relates to the field of nuclear power station equipment maintenance and detection, in particular to an ice plug isolation device for a nuclear power station, which comprises an ice plug jacket with at least one cavity and an air supply device for supplying refrigerant to the cavity, and the ice plug jacket is provided with an inlet and an outlet which are communicated with the cavity. A cavity is formed in the mold cavity, a baffling part is arranged on the inner wall of the cavity and divides the cavity into a plurality of parts which are communicated with one another, the flowing stroke of cooling gas in the mold cavity is lengthened by designing a runner, so that the advantage of small liquid nitrogen loss is achieved, and meanwhile, the structure has the advantage of being convenient to disassemble and assemble. 本实用新型涉及核电站设备检修检测领域，尤其涉及一种用于核电站的冰塞隔离装置，包括具有至少一个腔室的冰塞夹套及用于给所述腔室内提供制冷剂的送气装置，所述冰塞夹套上设置有与所述腔室连通的入口和出口，所述腔室的内壁上设置有折流部，所述折流部将所述腔室分隔成相互连通的若干部分，本实用新型通过设计流道加长冷却气体在型腔中的流动的行程，以达到液氮损耗小的优点，同时本