Method for smelting rare earth-containing steel for container by using tire steel wire
The invention discloses a method for smelting rare earth-containing steel for a container by using tire steel wires, and belongs to the technical field of metal materials. The method comprises the following steps: (1) treating the waste tires by using a physical rubbing method to obtain steel wires...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a method for smelting rare earth-containing steel for a container by using tire steel wires, and belongs to the technical field of metal materials. The method comprises the following steps: (1) treating the waste tires by using a physical rubbing method to obtain steel wires and pressing the steel wires into blocks; (2) adding the tire steel wire block and a covering agent into an electric induction furnace with eddy stirring, starting the electric induction furnace, preheating at low power, preserving heat, and then turning up the power to melt the steel wire; (3) after all the steel wires are molten, stirring at a constant speed to form a stable vortex, and then adding different types of iron alloys; after the alloy is completely melted, controlling the melting temperature, adding the rare earth alloy and preserving heat; (4) excessive carbon in the molten steel is removed through CO2, then a slag layer on the surface of a molten pool is removed, the molten steel is injected into a c |
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