Method for opening steel converter
A steel-making converter and converter technology, applied in the direction of manufacturing converters, can solve problems such as incompatibility, and achieve the effect of strong dephosphorization ability and rapid sintering
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Embodiment 1
[0029] In Example 1, vanadium-containing whole molten iron is used for smelting. Based on the total weight of the vanadium-containing molten iron, the components are calculated by weight percentage. The C content is 4.35, the Si content is 0.2, the Mn content is 0.2, and the P content is 0.065. The content of V is 0.013, the content of V is 0.3, the content of Ti is 0.1, and the balance is Fe.
Embodiment 2
[0030] In Example 2, vanadium-containing whole molten iron is used for smelting. Based on the total weight of the vanadium-containing molten iron, the components are calculated by weight percentage. The C content is 4.2, the Si content is 0.1, the Mn content is 0.1, and the P content is 0.05. The content of V is 0.005, the content of V is 0.2, the content of Ti is 0.05, and the balance is Fe.
Embodiment 3
[0031] In Example 3, vanadium-containing full molten iron is used for smelting. Based on the total weight of the vanadium-containing molten iron, the components are calculated by weight percentage. The C content is 4.6, the Si content is 0.3, the Mn content is 0.3, and the P content is 0.08. The content is 0.02, the V content is 0.4, the Ti content is 0.15, and the balance is Fe.
[0032] The CaO content in the common lime used in the following examples is 90% by weight; the CaO content in the high magnesium lime is 60% by weight, and the MgO content is 40% by weight.
[0033] In the following examples, in the ferrosilicon alloy, the Si content is about 75% by weight, the Fe content is about 20% by weight, and the C content is about 5% by weight; the C content in the coke is about 90% by weight, and the Si content About 5% by weight; the content of C in the quasi-graphite is about 90% by weight, and the content of Si is about 5% by weight (purchased from Panzhihua Iron and Ste...
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