RECUPERATION HEATING WELL WITH HEATING FROM THE CENTER OF BOTTOM Russian patent published in 1995 - IPC

FIELD: recuperation processes. SUBSTANCE: recuperation heating well is provided with fire-resistant air feeding channel and a gas feeding pipe with nozzles. These nozzles are located along the central axis of the gas outlet channel from which gas flows at an angle to the air stream. The upper part of the torch channel has a toroidal form, the end being located at the level of the start of toroidal surface. The nozzles are placed on a plain surface and inclined toward the vertical axis at an angle of 20-25 degrees. The lower section of the base of nozzles is shifted to that of their upper section at an angle of 25-30 degrees about the circumference of the centers of the holes. EFFECT: higher efficiency and accuracy. 1 cl, 3 dwg