F - Mech Eng,Light,Heat,Weapons – 22 – D
Patent
F - Mech Eng,Light,Heat,Weapons
22
D
122/40
F22D 1/16 (2006.01) F22B 1/18 (2006.01) F22B 35/00 (2006.01)
Patent
CA 1083442
ABSTRACT OF THE DISCLOSURE A waste heat recovery system which can be attached to, and made part of, an existing thermal oxidizer-stack system, at minimum cost, without reducing the reliability of the existing oxidizer-stack system. It comprises a conventional heat transfer means, which is connected at its input through a refractory lined first conduit, to an opening through the wall of the first stack of the thermal oxidizer-stack system. The outlet of the heat exchanger is connected through a second conduit to an induced draft means, which can be a conventional blower, the outlet of which is connected to a second stack. The action of the induced draft blower is to cause inflow of hot stack through the first conduit and through the heat exchanger and to pass the cooled stack gases out the second stack. A first temperature sensor is placed in the stack between the inlet from the thermal oxidizer and the opening where the gases are drawn into the first conduit. A second thermal sensor is placed in the first conduit. A differential temperature controller is provided responsive to the first and second thermal sensors and the rate of flow of hot gases the waste heat recovery system is controlled by the differential temperature.
301735
John Zink Company
Smart & Biggar
LandOfFree
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