Preparation method of vanadium-aluminum alloy
A technology of vanadium-aluminum alloy and vanadium trioxide, which is applied in the field of metallurgy, can solve the problems of limiting the output of vanadium-aluminum alloy and increasing manufacturing costs, and achieves the effect of low cost and low impurity content
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Embodiment 1
[0017] Get 200kg raw material, wherein, the weight ratio of vanadium trioxide and vanadium pentoxide is 1: 1, and the Al powder addition is that the raw material is fully reduced to 1.32 times of V theoretical consumption, with analytically pure barium peroxide as ignition agent, The aluminothermic reduction reaction is carried out in the aluminothermic reduction reaction furnace, and the reaction ends in 105 seconds. After the aluminothermic reaction is completed, 147kg of vanadium-aluminum alloy product is obtained, which contains 80.1wt% V, 19.1wt% Al, 0.25wt% Fe, 0.21wt% Si, 0.01wt% S, and 0.11wt% C. In addition, the slag obtained after the above reaction can be used to make the lining of the reaction furnace, which is conducive to further reducing the impurity content in the vanadium-aluminum alloy in the subsequent production of vanadium-aluminum alloy.
Embodiment 2
[0019] Get 200kg raw material, wherein, the weight ratio of vanadium trioxide and vanadium pentoxide is 1: 2, and the Al powder addition is that raw material is completely reduced to 1.45 times of V theoretical consumption, is ignition agent with analytically pure barium peroxide, The aluminothermic reduction reaction is carried out in the aluminothermic reduction reaction furnace, and the reaction ends in 91 seconds. After the aluminothermic reaction is completed, 155kg of vanadium-aluminum alloy product is obtained, which contains 75.5wt% of V, 23.7wt% of Al, 0.22wt% of Fe, 0.20wt% of Si, 0.01wt% of S, and 0.10wt% of C. In addition, the slag obtained after the above reaction can be used to make the lining of the reaction furnace, which is conducive to further reducing the impurity content in the vanadium-aluminum alloy in the subsequent production of vanadium-aluminum alloy.
Embodiment 3
[0021] Get 200kg raw material, wherein, the weight proportion of vanadium trioxide and vanadium pentoxide is 1: 1.5, and Al powder addition is that raw material is fully reduced to 1.24 times of V theoretical consumption, is ignition agent with analytically pure barium peroxide, The aluminothermic reduction reaction is carried out in the aluminothermic reduction reaction furnace, and the reaction ends in 98 seconds. After the aluminothermic reaction is completed, 138kg of vanadium-aluminum alloy product is obtained, which contains 83.9wt% V, 15.3wt% Al, 0.26wt% Fe, 0.23wt% Si, 0.01wt% S, and 0.11wt% C. In addition, the slag obtained after the above reaction can be used to make the lining of the reaction furnace, which is conducive to further reducing the impurity content in the vanadium-aluminum alloy in the subsequent production of vanadium-aluminum alloy.
[0022] The vanadium-aluminum alloy product obtained by the present invention has a V content of 75wt% to 85wt%, Fe≤0.3w...
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