F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
34/2
F26B 5/00 (2006.01) B01D 1/06 (2006.01) F26B 5/04 (2006.01) F26B 21/14 (2006.01)
Patent
CA 1160041
ABSTRACT OF THE DISCLOSURE Apparatus for heating and drying articles including an evacuable drying chamber for heating therein articles by condensation heat of the vapor of a first liquid supplied to the drying chamber, a vacuum pump for evacuating the drying chamber, a first vapor condenser and a second vapor condenser connected between the drying chamber and the vacuum pump, a thin film evaporator for receiving condensate from the drying chamber in the form of the first liquid, the second liquid being a second liquid having a higher boiling point that the first liquid and obtained from the articles within the drying chamber, a conden- sate collecting container for receiving from the evaporator liquid condensate which is not evaporated in the evaporator, a pressure barrier arranged between the evaporator and the collecting container and a re-evaporator arranged between the pressure barrier and the collecting container. The re-evaporator operates to lower the residual concentration of the first liquid and it is connected to the second vapor condenser thereby to reduce the residual concentration of the first liquid to a value corresponding to the vapor pressure in the second vapor conden- ser.
387682
Bernhardt Karl-Heinz
Strzala Helmut
Marks & Clerk
Pfeiffer (arthur) Vakuumtechnik Wetzlar G.m.b.h.
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