| 摘要 |
<p>This invention relates to an apparatus for controlling a flow rate of a molten metal, capable of being set at a bottom or side portion of a molten metal container and consisting of a rotary nozzle of various shapes, a nozzle receiving brick and a sleeve, or a rotary nozzle, and a nozzle receiving brick. At least one of the nozzle receiving brick and sleeve is provided with at least one recess or opening, and the surface of the opened end portion of the rotary nozzle, which has at least one through bore, is in close contact with and supported on the inner circumferential surface of the nozzle receiving brick or sleeve so that the nozzle can be turned, a rotary mechanism being provided to the rotary nozzle.</p> |
