A kind of sintering raw material composition and basic vanadium-titanium sintered ore and its preparation method and application
A raw material composition, technology of vanadium-titanium sinter, applied in the application of basic vanadium-titanium sinter as furnace protection sinter in blast furnace smelting, basic vanadium-titanium sinter, sintering raw material composition, basic vanadium-titanium sintering In the field of mine preparation, it can solve the problems of complex equipment, high cost, and inconspicuous effect, and achieve the effect of simple preparation method and low production cost
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[0021] The preparation method of basic vanadium-titanium sintered ore provided by the invention comprises the following steps:
[0022] (1) Mixing the above-mentioned sintering raw material composition, returning ore and water to obtain a mixture;
[0023] (2) Distributing and sintering the mixture described in step (1) sequentially.
[0024] In the present invention, there is no special limitation on the process of mixing materials in step (1). Preferably, the process of mixing materials may include: primary mixing and mixing and secondary mixing and granulation. The method of mixing and mixing may include mixing the sintered raw material composition, returning ore and water for 4-5 minutes, wherein the amount of water makes the water content of the mixture obtained in the mixing and mixing process 7-7.5% by weight %, the amount of the returned ore is 20-30 parts by weight; the method of the second mixing granulation can include mixing the mixture obtained by the first mixin...
Embodiment 1
[0043] This example is used to illustrate the basic vanadium-titanium sintered ore of the present invention and its preparation method.
[0044] Sea sand vanadium-titanium magnetite concentrate powder, active lime, silica and coke powder are proportioned according to the proportions in Table 1, and then mixed with returning ore and water (including first mixing and second mixing granulation), wherein , the silica in which the particle size is not greater than 200 mesh accounts for 80% by weight, and the amount of returned ore is as shown in Table 1 to obtain a mixture. The water content of the mixture is 7.5% by weight, and the particle size in the mixture is not less than 3mm. Accounting for more than 85% by weight.
[0045] First arrange the base material with a height of 20mm, then use the magnetic roller distributor to distribute the above-mentioned mixture, and press the material (control the material layer to press down 30mm), so that the height of the material layer is ...
Embodiment 2
[0048] This example is used to illustrate the basic vanadium-titanium sintered ore of the present invention and its preparation method.
[0049] Sea sand vanadium-titanium magnetite concentrate powder, active lime, silica and coke powder are proportioned according to the proportions in Table 1, and then mixed with returning ore and water (including first mixing and second mixing granulation), wherein , the silica in which the particle size is not greater than 200 mesh accounts for 88% by weight, and the amount of returned ore is as shown in Table 1 to obtain a mixture. The water content of the mixture is 8% by weight, and the particle size in the mixture is not less than 3mm. Accounting for more than 90% by weight.
[0050] First arrange the bottom layer with a height of 25mm, then use the magnetic roller distributor to distribute the above-mentioned mixture, and press the material (control the material layer to press down 40mm), so that the height of the material layer is 650...
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Abstract
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