Method and apparatus for removal of gaseous, liquid and particulate contaminants from molten metals
- Oak Ridge, TN
- Clinton, TN
Method and apparatus for removal of nonelectrically-conducting gaseous, liquid, and particulate contaminants from molten metal compositions by applying a force thereto. The force (commonly referred to as the Lorentz Force) exerted by simultaneous application of an electric field and a magnetic field on a molten conductor causes an increase, in the same direction as the force, in the apparent specific gravity thereof, but does not affect the nonconducting materials. This difference in apparent densities cause the nonconducting materials to "float" in the opposite direction from the Lorentz Force at a rapid rate. Means are further provided for removal of the contaminants and prevention of stirring due to rotational forces generated by the applied fields.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Assignee:
- United States of America as represented by Deprtment of Energy (Washington, DC)
- Patent Number(s):
- US 4786320
- OSTI ID:
- 866784
- Country of Publication:
- United States
- Language:
- English
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Method and apparatus for removal of gaseous, liquid and particulate contaminants from molten metals
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apparatus
removal
gaseous
liquid
particulate
contaminants
molten
metals
nonelectrically-conducting
metal
compositions
applying
force
thereto
commonly
referred
lorentz
exerted
simultaneous
application
electric
field
magnetic
conductor
causes
increase
direction
apparent
specific
gravity
affect
nonconducting
materials
difference
densities
float
opposite
rapid
rate
means
provided
prevention
stirring
due
rotational
forces
generated
applied
fields
molten metals
particulate contaminants
opposite direction
specific gravity
conducting material
electric field
molten metal
magnetic field
metal composition
simultaneous application
lorentz force
rapid rate
metal compositions
commonly referred
applied fields
conducting gas
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