| 摘要 |
The device, including a rotor, is for the treatment of a liquid such as molten metal in a reactor by supplying gas and/or particulate material to the liquid. A rotor shaft extends up through the base of the reactor and is arranged so that it can rotate inside a stator pipe which extends up from the base of the reactor, whereby the rotor shaft and the stator pipe extend through an opening in the lower side of the rotor and into a cavity of the rotor and whereby the rotor shaft is connected to the rotor via a fixing device inside the rotor cavity, while the stator pipe ends in the cavity.
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