F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
34/25
F26B 13/08 (2006.01) D21F 5/02 (2006.01)
Patent
CA 1185788
ABSTRACT OF THE DISCLOSURE A steam dryer system for drying a moving web and including a primary series of rotatable drying drums, steam inlet conduits coupled to said rotatable drying drums for introducing steam thereinto, outlet conduits coupled to said rotatable drying drums for exhausting blow-through steam with noncondensible gases and con- densate therefrom, recirculation means including a steam jet compressor to recirculate blow-through steam from said outlet conduits back to said inlet conduits, recirculation control means comprising instruments to measure velocity pressure of the recirculation flow and to control the action of said jet compressor, a further number of secondary drying drums having inlet conduits and a pressure control valve connected to the outlet of said jet compressor and with outlet conduits connected to a condenser, and pressure control means comprising instruments to measure and control the input pressure in said secondary drying drums.
411044
Gardner Thomas A.
Smart & Biggar
LandOfFree
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