Convective vacuum refrigerating drier
Patent number: CN1490582
Publication date: 2004-04-21
Inventor: DONG YINSHENG (CN); LIN PINGHUA (CN); PU YUEPU (CN)
Applicant: UNIV DONGNAN (CN)
Classification:
- international: F26B5/06
- european:
Application number: CN20030152861 20030828
Priority number(s): CN20030152861 20030828
Abstract of CN1490582
A convection-type vacuum freeze drier for removing solvent from porous material is composed of the low-temp medium tank containing low-temp medium and the freeze drying chamber with cover, vacuumizing opening connected to vacuumizing unit and dried gas inlet tube. Said freeze drying chamber is in said low-temp medium tank. It features that the flowing gas can speed up the diffusion and sublimation of solvent.
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