| 摘要 |
PCT No. PCT/DK80/00030 Sec. 371 Date Jan. 22, 1981 Sec. 102(e) Date Jan. 15, 1981 PCT Filed May 22, 1980.A spray drying apparatus with a drying chamber (10) in which a liquid product is atomized by means of an atomizing wheel (11) and dried by means of warm drying gas or flue gas introduced through a tube (14) which is directed towards the bottom side of the atomizing wheel. In order to avoid adherence of particulate material present within the drying chamber (10) to the bottom side of the atomizing wheel (11) clearing or obstructing gas, preferably atmospheric air, is blown upwardly towards the bottom side of the atomizing wheel from a clearing gas inlet (18). |
