MULTI-SECTION VACUUM-FREEZE DRIER WITH STEPPED REDUCTION OF PRESSURE
FIELD: pharmaceutic, microbiological and food industries. SUBSTANCE: vacuum-freeze drier has vacuum chamber, vacuum pump, defreezer, and heaters. Vacuum chamber consists of sections parallel-connected by collector and successively connected sections which represent shell with transverse partition. T...
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Zusammenfassung: | FIELD: pharmaceutic, microbiological and food industries. SUBSTANCE: vacuum-freeze drier has vacuum chamber, vacuum pump, defreezer, and heaters. Vacuum chamber consists of sections parallel-connected by collector and successively connected sections which represent shell with transverse partition. The latter is made of heat-conducting material. It divides section into two cavities coupled to each other through branch pipe with shut-off valve. Upper cavity of every section is provided additionally with louver-shaped partition and branch pipe with shut-off valve mounted for coupling to defreezer and vacuum pump. EFFECT: reduced power consumption. 1 cl, 1 dwg |
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