A device for admixing a liquid into flowable dry materials has a housing with a
mixing chamber having an inner wall with an
impact area and an exit opening at a bottom end of the
mixing chamber. Dry material is supplied from above into the
mixing chamber and falls downwardly toward the
impact area in front of the inner wall of the mixing chamber and exits through the exit opening. A
nozzle generates a pressurized high-speed jet of a liquid impacting on the inner wall of the mixing chamber in the
impact area and
wetting the dry material with the liquid as the jet passes through the dry material and impacts against the inner wall. An opening inside the housing is provided for supplying liquid and pasty additives, wherein the opening is directed toward an area of the mixing chamber between the
nozzle and the
impact area.