Method for heating molten metal using heated baffle
OwnerC. Edward Eckertinventor
Life of this patent
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Abstract
A method of heating a body of molten metal passing through a treatment bay. The method comprises providing a body of molten metal in a treatment bay and providing a baffle heater in the treatment bay to contact the molten metal. The baffle heater is comprised of a member fabricated from a material substantially inert to the molten metal, the member containing at least one heating element receptacle. An electric heating element is positioned in the receptacle for heating the member, the element protected from the molten metal by the material constituting the member.
Claims19
A method of heating molten metal passing through a treatment bay, the method comprising the steps of:
- (a) providing a body of molten metal in a treatment bay having a molten metal surface;
- (b) projecting a disperser on a shaft into said body;
- (c) adding treatment media to said body;
- (d) dispersing said media by rotating said disperser in one direction and then reversing the direction of rotation of said disperser, said direction being reversed periodically to reduce formation of a vortex around the shaft;
- (e) providing a baffle heater in said treatment bay in contact with said molten metal, said baffle heater comprised of:
- (i) a body of material substantially inert to said molten metal and having sides and an upper portion extending above said molten metal surface said upper portion having an upper portion surface;
- (ii) at least one heating element receptacle extending through said upper portion surface into said body of material;
- and
- (iii) at least one electric heating element positioned in said receptacle for heating said body of material which transfers heat to said molten metal, said element protected from said molten metal by said material;
- (f) passing molten metal underneath said baffle heater as the molten metal flows to said molten metal exit thereby using both sides of said baffle heater to heat said molten metal;
- and
- (g) heating said molten metal with said baffle heater.
A method of heating molten metal passing through a treatment bay having a molten metal entrance and a molten metal exit, the method comprising the steps of:
- (a) providing a body of molten metal having a surface in a treatment bay;
- (b) projecting a disperser on a shaft into said body;
- (c) adding treatment media to said body;
- (d) dispersing said media by rotating said disperser in one direction and then reversing the direction of rotation of said disperser, said direction being reversed periodically to reduce formation of a vortex around the shaft;
- (e) providing a baffle heater in said treatment bay in contact with said molten metal, said baffle heater comprised of:
- (i) a body of material substantially inert to said molten metal, said body having a plate-shaped configuration having sides and having an upper portion extending above said molten metal surface, said upper portion having an upper portion surface;
- (ii) at least one heating element receptacle extending from said upper portion surface into said body of material;
- (iii) an electric heating element positioned in said receptacle for heating said body of material, said element protected from said molten metal by said material;
- (g) contacting said molten metal with the sides of said baffle heater;
- (h) passing molten metal underneath said baffle heater as the molten metal flows to said molten metal exit thereby using both sides of said baffle heater to heat said molten metal
- (i) heating said molten metal with said baffle heater.
A method of heating molten metal passing through a treatment bay having a molten metal entrance and a molten metal exit, the method comprising the steps of:
- (a) providing a body of molten metal having a surface in a treatment bay;
- (b) projecting a disperser on a shaft into said body;
- (c) adding treatment media to said body;
- (d) dispersing said media by rotating said disperser in one direction and then reversing the direction of rotation of said disperser, said direction being reversed periodically to reduce formation of a vortex around the shaft;
- (e) providing a baffle heater in said treatment bay in contact with said molten metal;
- (f) extending an upper portion of said baffle heater above said molten metal surface, said upper portion having an upper portion surface, said baffle heater comprised of:
- (i) a body of material substantially inert to said molten metal, said body having a plate-shaped configuration having sides;
- (ii) at least one heating element receptacle extending from said upper portion surface into said body of material, said receptacle containing a contact medium for improved conduction of heat from said heating element to said body of material comprising said baffle;
- (iii) an electric heating element positioned in said receptacle for heating said body of material, said element protected from said molten metal by said material;
- (g) contacting said molten metal with the sides of said baffle heater;
- (h) passing molten metal underneath said baffle heater as the molten metal flows to said molten metal exit thereby using both sides of said baffle heater to heat said molten metal;
- and
- (i) heating said molten metal with said baffle heater.
Dependencies are inferred from the claim text.