Patent ID: 7194962
Filing Date: 2007-03-27
Classification: F23G

Abstract:
1. A versatile rapid thermal processing oven for converting carbon based natural resources and waste material to vapor and carbon char comprising; an outer refractory insulated vessel having a fired heater extending into said outer vessel, an inner containment vessel suspended within said outer vessel for receiving therefrom heat transferred from said heater, said inner vessel having a first feed end and a second vapor end and having a bottom wall angled downwardly from the feed end to the vapor end forming an inclined chute there between, an inlet conduit extending through the outer vessel and in communication with said inner vessel adjacent the feed end for receiving carbon based material and discharging said material to an upper end of the inclined chute wherein said heat converts said material to vapor and carbon char, a carbon char discharge conduit at a lower end of said chute extending through the outer vessel, and a vapor outlet in communication with the inner vessel at the vapor end at a location above the carbon char discharge conduit for discharging the vapor, and further comprising at least one additional conduit extending from outside the outer vessel to inside the inner vessel for transporting ambient air into the interior of the inner vessel and including at least one control valve attached to said additional conduit outside the outer vessel and an oxygen sensor measuring the amount of oxygen inside the inner vessel.