Manganese alloying method for high manganese steel smelting through converter
A manganese alloying and converter smelting technology, applied in the direction of manufacturing converters, etc., to achieve sustainable development, improve manganese alloying processing capacity, and reduce overall costs.
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Embodiment 1
[0067] In this embodiment, 100 tons of high manganese steel with a carbon content of 0.10% and a manganese content of 10% to 13% are produced.
[0068] The specific method of manganese alloying of converter smelting high manganese steel is as follows:
[0069] (1) Metal manganese is crushed into particles with a particle size less than 10mm, the iron oxide scale on the surface of the slab is crushed into 80-mesh powder, and the metal aluminum is processed into silk floc;
[0070] (2) Mix the metal manganese particles, iron oxide scale powder, and silk flocculent metal aluminum in the step (1) according to the proportion of 5 parts, 2.5 parts, and 1 part by weight, and use the ball pressing machine to press the mixed materials into a mixture ball with a diameter of 50mm;
[0071] (3) Add the mixture balls in step (2) to the steel ladle whose inner wall temperature is 1100°C after preheating, and the addition amount is calculated according to the following formula:
[0072] ...
Embodiment 2
[0079] In this embodiment, 100 tons of high manganese steel with a carbon content of 0.20% and a manganese content of 20% to 24% are produced.
[0080] The specific method of manganese alloying of converter smelting high manganese steel is as follows:
[0081] (1) Metal manganese is crushed into particles with a particle size less than 10mm, the iron oxide scale on the surface of the slab is crushed into 80-mesh powder, and the metal aluminum is processed into silk floc;
[0082] (2) Mix the metal manganese particles, iron oxide scale powder, and silk flocculent metal aluminum in the step (1) according to the proportion of 6.5 parts, 3.5 parts, and 2 parts by weight, and use a ball press to press the mixed materials into a mixture ball with a diameter of 50mm;
[0083] (3) Add the mixture balls in step (2) to the steel ladle whose inner wall temperature is 1150°C after preheating, and the addition amount is calculated according to the following formula:
[0084]
[0085] ...
Embodiment 3
[0091] In this embodiment, 100 tons of high manganese steel with a carbon content of 0.30% and a manganese content of 15% to 20% are produced.
[0092] The specific method of manganese alloying of converter smelting high manganese steel is as follows:
[0093] (1) Metal manganese is crushed into particles with a particle size less than 10mm, the iron oxide scale on the surface of the slab is crushed into 80-mesh powder, and the metal aluminum is processed into silk floc;
[0094] (2) Mix the metal manganese particles, iron oxide scale powder, and silk flocculent metal aluminum in the step (1) according to the proportion of 6 parts, 3 parts, and 2.5 parts by weight, and use a ball press to press the mixed materials into a mixture ball with a diameter of 50mm;
[0095] (3) Add the mixture balls in step (2) to the steel ladle whose inner wall temperature is 1200°C after preheating, and the addition amount is calculated according to the following formula:
[0096]
[0097] In...
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Abstract
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