Melt withdrawal device for melt furnaces for charging casting machines
    11.
    发明授权
    Melt withdrawal device for melt furnaces for charging casting machines 失效
    熔化炉用熔化炉的熔体取出装置

    公开(公告)号:US06306338B1

    公开(公告)日:2001-10-23

    申请号:US09525816

    申请日:2000-03-15

    IPC分类号: C21C542

    CPC分类号: F04D7/065 B22D39/00 F04D3/02

    摘要: A melt withdrawal device for melt furnaces for charging casting machines has a melt conveying pump (1) comprised of a pump tube (2) forming a lower melt inlet (3) and an upper melt outlet (4) and of a pump shaft (5) extending inside the pump tube (2) and carrying a pump rotor (6). To achieve a melt conveyance which is largely independent of the melt level variations inside the melt furnace and can thus be dosed property, a charging means (7) for keeping constant the pump head (h) is provided before the melt conveying pump (1), which charging means (7) comprises a charging tank (8) accommodating the pump tube (2) with the melt inlet (3) and a charging pump (10) capable of filling the charging tank (8) with melt up to a melt overflow (9) determining the charging height, where the delivery rate of the charging pump (10) exceeds that of the conveying pump (1).

    摘要翻译: 用于装料铸造机的熔化炉的熔体抽出装置具有熔体输送泵(1),其由形成下熔体入口(3)和上熔体出口(4)的泵管(2)和泵轴(5)组成 )在泵管(2)内延伸并承载泵转子(6)。 为了实现与熔融炉内部的熔体水平变化很大程度无关的熔体输送,因此可以赋予特性,在熔体输送泵(1)之前提供用于保持泵头(h)恒定的充气装置(7) ,所述充电装置(7)包括容纳所述泵管(2)的所述熔体入口(3)的充电槽(8)和能够将所述充电罐(8)充满所述熔化物的充注泵(10) 溢流(9)确定充电高度,其中充电泵(10)的输送速率超过输送泵(1)的输送速率。