The present invention refers to a laundry drying appliance (1) comprising: a laundry treatment chamber wherein the laundry to be dried is placed; an air circulation duct (4) connected to the treatment chamber for recirculating the process air from and into the treatment chamber; and a water distribution device (5) connected to a water supplying conduit (6) and to the circulation duct (4) for delivering water into the circulation duct (4).