| 摘要 |
1,212,074. Fluidized-bed dryers. RHONEPOULENC S.A. 27 Feb., 1968 [27 Feb., 1967], No. 9477/68. Heading F4G. [Also in Division B1] In Fig. 1, pulverulent solid to be dried is introduced via 11 into a chamber and is first fluidized with gas from 20 which leaves through filter 4 and line 5, and is then treated with a downward current of gas from 6 which leaves at valve 19. The solid leaves via 19. Baffles 22 have apertures which are staggered in adjacent baffles, and the baffles may be corrugated or comprise staggered angle irons, Fig. 3. |
