| 摘要 |
<p>The device for the production of alpha-calciumsulfate-hemihydrate from calciumsulfate-dihydrate, comprises double walled agitated autoclaves (1) arranged downstream of a cyclone separator and venturi washer, hanging chains (3) attached in the area of the agitator (5), and an agitator, which is heated by indirect heating of the autoclave for agitating charging materials, which is supplied at the mantel of the autoclave by spraying nozzles (13). The material separated in the cyclone separator and/or the venturi washer, is again brought into the autoclave.</p> |
