Fig. 2

Schematics of the modified ROT set-up plant: 1, water tank; 2, electric pump; 3, heater; 4, thermocouple wires; 5, the workpiece and its carrier; 6, thermocouple control panel, workpiece bed; 7, bottom impingement nozzle; 8, motorized screw conveyor; 9, furnace; 10, electric motor; 11, flow valve/air attachment nozzle; 12, flow meter; 13, ladder; 14, furnace support; 15, PVC pipes; 16, pressure gauge, 17