FIELD: drying equipment. SUBSTANCE: drier has drying chamber 1 which is connected with vacuumized system through branch pipe 2, device 3 for freeze dried-out product to particles of inert material, conveyer placed inside drying chamber, IR-heating supplies 13. Device 3 is disposed inside drying chamber 1 and is made in form of two concentric pipes 4 and 5. Internal pipe 4 is provided with auger 7 which has hollow shaft and telescopic checker 6 mounted in the top part of internal pipe 4 for reciprocating along its axis. Conveyer is made in form of concentric perforated drums 8 and 9 rigidly connected one to the other. The drums have augers 10 and 11. Turns of augers of adjacent drums are directed in opposition. EFFECT: improved efficiency. 3 dwg
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