| 摘要 |
<p>There is disclosed a hot gas heating device comprising a heating chamber (11) having a heat access area (12) and including a heating element (13) and a gas circulator (14) circulating gas within the chamber (11) to be heated by the heating element (13) and convectively transferring heat therefrom to the heat access area (12) all without substantial influx and efflux of gas, and the radiant heating element (13) being so arranged as to radiate heat directly to the heat access area (12).</p> |
