Furnaces – With control means responsive to a sensed condition – Feed control
Patent
1992-12-09
1994-10-11
Bennet, Henry A.
Furnaces
With control means responsive to a sensed condition
Feed control
110250, 110235, 110234, 110229, 219394, 373109, 126273R, F23G 500, B09B 300
Patent
active
053537190
ABSTRACT:
An apparatus for controlled processing of materials includes a coolant jacketed vessel defining a first pyrolysis chamber and a second oxidation chamber, first heating elements mounted in the vessel to pyrolyze materials in the first chamber, second heating elements mounted in the vessel to oxidize materials in the second chamber, an induction fan, airflow inlet valves and an air intake proportioning valve connected to the vessel for producing separate variable flows of primary and secondary air into and through the first and second chambers, first sensors mounted on the vessel for sensing the temperatures in the first and second chambers and in the coolant, a second sensor mounted on the vessel for sensing the proportion of a predetermined gas in the discharge gases, and a control system responsive to the temperatures sensed in the first and second chambers and the coolant and to the proportion of the predetermined gas sensed in the discharge gases for controlling the induction fan and air intake proportioning valve so as to proportion the respective amounts of primary and secondary air flows through the first and second chambers in order to achieve effective pyrolyzing and oxidizing of the materials therein.
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Eshleman Roger D.
Stevers Paul H.
Bennet Henry A.
Doerrler William C.
Flanagan John R.
Swartz Michael R.
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