| 摘要 |
<p>The apparatus has an aeration hood (10) that is placed on a core molding box (2). The aeration hood severs for introduction and distribution of gas (6) into a bullet hole (5) of the core molding box. The aeration hood has a heating device (20) for heating of gas. The heating device has a heating rod with a sheathed resistance wire. A catalyst nozzle is arranged underneath the heating device for introduction of catalyst into the aeration hood.</p> |
