Two coloured diagrams of W-D Becker. Combination underjet coke-oven
Two coloured diagrams of W-D Becker. Combination underjet coke-oven, showing (a) Rich gas heating, (b) Lean gas heating
Two coloured diagrams of W-D Becker. Combination underjet coke-oven, showing (a) Rich gas heating, (b) Lean gas heating