Pneumatic flow control of liquid metals

Details Pneumatic flow control of liquid metals Pneumatic flow control of liquid metals

1993-03-24

1995-01-17

Bradley, P. Austin

Metal founding

Process

With measuring, testing, inspecting, or condition determination

1641553, 1644501, 1644491, 164479, 164429, B22D 1106, B22D 1118

Patent

active

053818547

ABSTRACT:
A method and apparatus are disclosed for pneumatically controlling the velocity of flow of liquid metal from a tundish into a continuous casting machine through a nozzle. A chamber encloses the nozzle outlet, and at least a portion of the continuous casting machine, and a pressurized gas is supplied to the chamber. The flow velocity of the liquid metal at the nozzle outlet is controlled by controlling the gas pressure in the chamber in response to the level of the liquid metal in the tundish, and the measured atmospheric pressure acting on the liquid metal in the tundish.

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patent: 4592411 (1986-06-01), Bedell
patent: 4600047 (1986-07-01), Matoba et al.
patent: 4625787 (1986-12-01), Haveman et al.
patent: 4774997 (1988-10-01), Eibe

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