| 摘要 |
<p>Metal melting in gas fired cupola furnace in carried out by spraying a liquid fuel on the surface of the molten metal and/or the free walls of the chamber in which the metal collects. Specif. the liquid fuel is heated before being fed to the furnace. The device specif. has channels in its walls for feeding in the liquid fuel which terminate in the heating chamber and/or in the ducts of the burners.</p> |
