| 摘要 |
<p>Burner register assembly for use in a furnace having a fuel and primary air supply and a secondary air supply. It comprises an air valve, adapted to communicate with the secondary air supply for controlling the admission of secondary air to said register assembly, and an air register assembly communicating with the air valve for imparting a vortex to the secondary air to create an air swirl so that the primary air and fuel is entrained in the swirl and projected into the furnace.</p> |
