FIELD: equipment for dehydration of salts, for example, carnallite in fluidized layer; non-ferrous metallurgy; chemical industry and manufacture of building materials. SUBSTANCE: multi-chamber apparatus includes housing with inclined sides, gas-distributing grid with inter-chamber partitions and additional partitions mounted on it. All partitions are provided with overflow holes fitted with screens to reduce area of stagnant zones in fluidized layer. EFFECT: reduction of stagnant zones in fluidized layer. 2 cl, 4 dwg
