Device for the purification of fluids, nozzle insert for ion exchange column, method of deionizing a fluid and use of such a device

A device for purifying at least one fluid, comprising:

• a first ion exchange column,
• an inlet line, and
• an outlet line,
• wherein:
• the inlet line and the outlet line are associated with a cover part,
• the inlet line is connected to a first supply line into a first free space between a bottom part and at least one nozzle insert, which is formed as a first bottom nozzle insert,
• the first bottom nozzle insert has a number of openings for the passage of the fluid,
• the openings are distributed over at least a partial surface of the first bottom nozzle insert, by means of which the fluid can be introduced into a first volume of the first ion exchange column which can be filled with an ion exchange resin, and
• the first bottom nozzle insert comprises at least two segment parts that are attached to each other, and
• wherein:
• at least one of the at least two segment parts has at least one edge and/or at least one projection to enable a stable arrangement of the segment parts by positive locking, and/or
• the first bottom nozzle insert comprises at least one connecting piece, and the at least two segment parts are attached to each other by means of the at least one connecting piece.