Exchange column for laboratory

The utility model discloses an exchange column for a laboratory, which relates to the technical field of resin detection analysis and regeneration, a column body is of a hollow columnar structure with two open end parts, and volume scale marks are arranged on the outer side wall of the column body. The top end and the bottom end of the column body are respectively matched and connected with a water outlet pipe nozzle; the water outlet pipe nozzle comprises a cover body of a cover-shaped structure and a pipe body fixedly connected with the end face of the cover body, the cover body of the water outlet pipe nozzle is connected to an opening in the top end or the bottom end of the column body in a matched mode, the pipe body is communicated with an inner cavity of the column body and stretches out towards the upper portion or the lower portion of the column body correspondingly, and a cock used for adjusting the opening degree of the pipe body is arranged on the pipe body. The water outlet pipe nozzles are arran