Titanium leaking method for reactor for titanium sponge production

Abstract

The invention relates to a method of titanizing an reactor for titanium sponge production and belongs to the chemical industry field of smelting non-ferro metals. The invention provides a titanizing method for reducing impurity content of iron and the like in titanium sponge firstly produced by a novel reactor.The titanizing method of a novel reactor for titanium sponge production comprises the following steps: a, performing acid leaching to a novel reactor for derusting, and then rinshing and drying; b. adding suitable amount of magnesium and fine titanic chloride, increasing the temperatureto 700-850 DEG C to perform a reduction reaction, and then titanizing; wherein, the adding amount of magnesium and fine titanic chloride is determined on the basis that the titanium generated in the reduction reaction forms a titanizing layer on the wall of the novel reactor. The method reduces content of foreign matters such as iron in the titanium sponge firstly produced by a novel reactor, improves service life of the reactor, reduces the titanizing cost, provides a novel selection and breaks a new path to the titanizing technique of a novel reactor for producing titanium sponge, and has an expansive application prospect.

Description

technical field [0001] The invention relates to a titanium infiltration method of a reactor for producing sponge titanium, and belongs to the field of non-ferrous metal chemical smelting. Background technique [0002] Magnesium reduction vacuum distillation method to produce sponge titanium is to react raw magnesium and refined titanium tetrachloride in a reactor under certain conditions to form sponge titanium. The reactor used is usually made of heat-resistant boiler steel plate. Since the raw materials and products directly contact the reactor and other related steel components during the production process, such as: sieve plates, magnesium chloride tubes, etc., iron impurities may dissolve into the raw magnesium liquid or directly into the finished titanium sponge in the form of alloys, thereby affect product quality. [0003] In order to prevent a large amount of impurities in steel from being transferred into titanium sponge, since the 1970s, through the efforts of en...

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Problems solved by technology

[0004] However, this single method of titanium infiltration has the following defects: 1. The content of iron impurities in the sponge titanium product produced for the first time by the reactor after titanium infiltration is unstable, and the titanium infiltration process conditions are affected by various factors, and the titanium infiltration effect is sometimes good 2. It needs to consume a certain amount of high-quality and expensive titanium powder; 3. The process of infiltrating titanium requires a certain amount of energy, which is labor-intensive and time-consuming; 4. For the original limited number of uses For the reactor, its service life is reduced due to the high temperature heating operation during the titanium infiltration process

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