| 摘要 |
<p>Heating arrangement for vertical shaft furnace comprises burners arranged in the walls of the kiln in several planes above each other, three planes being the preferred number. 45% of the required air is injected with the fuel oil through the burner, the remainder being fed through the bottom exhaust outlet. of the kiln. For better heat distribution the oil injection is varied rhythmically in the various planes. Residual heating is applied by coke mixed with the charge. The arrangement results in even heat distribution in kiln.</p> |
