Reduction and carbonization method for titanium-containing raw material

Abstract

The invention relates to a reduction carbonization method of the titanium-bearing material, which belongs to the metallurgy field. The invention solves the technology difficult problem that the bottom of a furnace rises and the generated foamed slag is excessive during the reduction carbonization process of the titanium-bearing material. The reduction carbonization method of the titanium-bearing material in the invention has various power distribution systems in the various implementation stages of material melting, reduction carbonization, and discharging; during the material melting stage, the transformer capacity is fully exerted, to ensure that the material is melted quickly; during the reduction carbonization stage, the electric furnace power is controlled to ensure that the depth of a steady foamed slag layer does not exceed 50 percent of the depth of a material melting tank; during the discharging stage, the electric furnace power is enhanced, to ensure that the melted and carbonized slag flow out of an electric furnace steadily, and the power cannot be shut off during the discharging. The reduction carbonization method of the titanium-bearing material of the invention can realize continuous production, the production operation is secure, the reduction carbonization power consumption and the production cost are reduced, the production efficiency is enhanced, and the invention has broad application prospect.

Description

technical field [0001] The invention relates to a reduction carbonization method of titanium-containing raw materials, which belongs to the field of metallurgy. Background technique [0002] Reductive carbonization of titanium-containing raw materials is a key process step for extracting titanium from low-quality titanium raw materials. The products of reduction carbonization can be directly used as raw materials for low-temperature boiling chlorination. It is of great significance for the comprehensive utilization of titanium-containing wastes and the realization of comprehensive utilization of resources. . During the reduction carbonization process of titanium-containing raw materials, the bottom of the electric furnace continues to rise, accompanied by severe foamy slag, which seriously affects the reduction carbonization process, reduces the furnace capacity utilization factor and reduction carbonization efficiency, and increases the reduction carbonization power consump...

AI Technical Summary

Problems solved by technology

During the reduction carbonization process of titanium-containing raw materials, the bottom of the electric furnace continues to rise, accompanied by severe foamy slag, which seriously affects the reduction carbonization process, reduces the furnace capacity utilization factor and reduction carbonization efficiency, and increases the reduction carbonization power consumption and production costs. , but also cause hidden dangers in production safety, affecting continuous production

[0003] Patent application number 87107488.5 "Method for producing titanium tetrachloride from titanium-containing blast furnace slag", which discloses the technical route of titanium-containing blast furnace slag smelting reduction carbonization, and selectively smelting, reducing and carbonizing titanium-containing blast furnace slag with carbon, Titanium tetrachloride is produced by low-temperature chlorination, but no method is proposed to solve the rise of the furnace bottom during the reduction carbonization process of titanium-containing blast furnace slag and to effectively control foamy slag