| 摘要 |
<p>A flap apparatus of a booster in a vacuum degassing system is provided to open and close the drain line automatically using the suction force generated in the booster. A flap apparatus of a booster in a vacuum degassing system comprises a drain line(510), a heating device(520), and a flap(530). The drain line is connected to the lower side of a booster(200). The heating device is equipped in the drain line to prevent the drain line from freezing. The flap is installed on the end part of the drain line and moves to control opening/closing of the drain line. The heating device includes one or more steam jackets(521a,521b) surrounding the periphery of the drain line and a connection pipe(523) connecting the steam jackets.</p> |
