Silicon-iron composite micro-nano reduction functional material large-scale production method and system

Abstract

The present application relates to the technical field of micro-nano functional material preparation, in particular to a silicon-iron composite micro-nano reduction functional material large-scale production method and system. The present application realizes large-scale production through the steps of raw material pretreatment, quantitative conveying, micro-nano shearing grinding under nitrogen protection, water cooling temperature control regulation, slurry internal circulation homogenization, etc. The designed production system includes raw material bin, quantitative feeding unit, micro-nano particle shearing grinding unit, and matched mill water cooling temperature control unit, nitrogen protection unit and slurry internal circulation unit. The present application solves the problems of low production capacity, difficulty in accurately controlling particle size, material oxidation and deterioration, and unstable product performance in the prior art. The prepared material has iron content > 70%, particle size d50 < 300 nm (image counting method), and system single-day production capacity > 20 tons. The material has the advantages of high reduction activity, strong production stability, and controllable cost, and can be widely applied in the fields of environmental governance, catalytic reaction, etc., and has significant industrialization value.

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