Equipment for concentrating krypton-xenon concentrate in liquid oxygen

The utility model relates to equipment for concentrating krypton-xenon concentrate in liquid oxygen. The equipment comprises a liquid oxygen pump, a rectifying tower, a condensing evaporator, a nitrogen circulating compressor and a low-temperature adsorber, wherein the rectifying tower, the condensing evaporator, the nitrogen circulating compressor and the low-temperature adsorber are arranged in a cold box; a reboiler is arranged at the bottom of the rectifying tower, a pressure nitrogen inlet of the reboiler is connected with the nitrogen circulating compressor through a pipeline, a liquid nitrogen outlet of the reboiler is connected with the condensation evaporator through a pipeline, and a krypton-xenon concentrate outlet at the bottom of the rectifying tower is connected with the outside; an oxygen steam outlet at the top of the rectifying tower is respectively connected with the condensation evaporator and the outside through pipelines; a liquid oxygen outlet of the condensation evaporator is connected