Method for comprehensively recovering lead, zinc and iron in gas ash of blast furnace
A technology of blast furnace gas ash and blast furnace mud, which is applied in the field of comprehensive utilization of iron and steel smelting solid waste, can solve problems such as obstacles, large amount of accelerator usage, and unsatisfactory effects, and achieve improved roasting efficiency, wide application range, and increased productivity Effect
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[0034] In order to describe the present invention, a method for comprehensively recovering lead, zinc and iron in blast furnace gas ash of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples.
[0035] The blast furnace gas ash used in this example is a mixed sample of gas ash collected from 6# blast furnace, 7# blast furnace, 8# blast furnace, 9# blast furnace and 10# blast furnace of Xinyu Iron and Steel Company. Multi-element analysis and iron phase analysis were carried out on the mixed gas, and the results are shown in Table 1 and Table 2.
[0036] Table 1 Multi-element analysis results of test gas mud samples (%)
[0037] element TF ZnO PbO SiO 2
CaO MgO al 2 o 3
S P C content 22.35 13.34 3.43 6.47 3.10 1.07 2.43 1.39 0.057 26.68 element MnO CuO NiO Cr 2 o 3
TiO 2
Na 2 o
K 2 o
Bi 2 o 3
In 2 o 3
burn...
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