| 摘要 |
<p>A toroidal burner, e.g., for Siemens-Martin furnaces, converters, etc., for producing a broad, uniformly distributed flame, comprises an annular chamber formed of two cylindrically or conically coaxial side walls connected by a common bottom; this bottom contains one or more coaxial annular nozzles through which the fuel and combustion gases enter.</p> |
