Adjustable slope char oven

Claim 1

APPARATUS FOR CARBONIZING CARBONACEOUS MATERIAL COMPRISING MEANS FORMING AN ELOGATE WIDE, FLAT OVEN STRUCTURE HAVING A ROOF WALL AND A BOTTOM WALL, MEANS SUPPORTING SAID OVEN, STRUCTURE AT AN INCLINATION FROM THE HORIZONTAL WHEREBY THE STRUCTURE HAS AN UPPER END AND A LOWER END, A FLOOR WITHIN THE OVEN SUPPORTED BETWEEN SAID ROOF WALL AND BOTTOM WALL AT APPROXIMATELY THE SAME INCLINATION AS THE OVEN STRUCTURE, SAID FLOOR BEING FORMED OF MATERIAL HAVING A HIGH DEGREE OF THERMAL CONDUCTIVITY, THE FLOOR INCLINATION FROM THE HORIZONTAL BEING SUCH AS TO EFFECT GRAVITATIONAL MOVEMENT OF RAW MATERIAL THEREALONG, THE AREA BETWEEN SAID FLOOR AND ROOF FORMING A COMBUSTION CHAMBER, A RELATIVELY LONG MATERIAL INLET THROAT EXTENDING LONGITUDINALLY OF THE OVEN AT THE UPPER END OF SAID FLOOR AND FORMED BY THE ROOF ANGLING INWARDLY TOWARD THE FLOOR FOR A PART OF ITS LENGTH AND THEN SUBSTANTIALLY PARALLELING THE FLOOR IN CLOSE PROXIMITY THERETO, MEANS FOR INTRODUCING RAW MATERIAL INTO AND THROUGH SAID THROAT ONTO SAID FLOOR, SAID THROAT FORMING A PRE-HEAT AREA AN OUTLET AT THE LOWER END OF SAID FLOOR FOR DISCHARGE OF CHAIR THEREFROM AND FROM THE OVEN MEANS WHEREBY SAID COMBUSTION CHAMBER MAY BE PRE-HEATED, AIR INLET MEANS FOR THE COMBUSTION CHAMBER, MEANS FOR REMOVING HOT GASEOUS PRODUCTS OF COMBUSTION FROM THE COMBUSTION CHAMBER AND CONDUCTING THE SAME TO AND DISTRIBUTING THEM OVER THE UNDERSIDE OF SAID FLOOR WHEREBY HEAT IS DIFFUSED THROUGH SAID FLOOR INTO CARBONACEOUS MATERIAL THEREON, AND MEANS FOR CARRYING OFF PRODUCTS OF COMBUSTION FROM BENEATH THE FLOOR.