Production Process of Titanium Iron
Preparation of Titanium-Iron Alloy
Titanium-iron alloys are mainly prepared through two methods: chlorination and sulfuric acid.
Chlor-alkali process
The chlorination process involves reacting titanium ore with chlorine to produce titanium tetrachloride, which is then reduced to obtain titanium-iron alloy.
Sulfuric acid process
The sulfuric acid process involves reacting titanium ore with concentrated sulfuric acid to obtain a titanium sulfate solution, which is then reduced to produce titanium-iron alloy.
Purification of Titanium Iron
Impurities such as carbon, nitrogen, silicon, etc., present in titanium-iron alloys can affect the properties of titanium iron, so purification is required.
Electrolytic Refining Method
The electrolytic refining method involves using titanium-iron as the cathode, with impurities being removed by the migration of cations in the electrolyte solution to the cathode and adhering to the anode.
Physics method
Physics principles are used to separate impurities by taking advantage of the difference in phase proton under specific conditions, causing them to migrate to different phases through thermodynamic principles.
Titanomagnetite Beneficiation Process
The process flow of titanium iron ore beneficiation production line mainly includes primary crushing, grinding, magnetic separation and other steps.
Primary crushing
Primary crushing is the process of reducing large pieces of ore into smaller particles, typically accomplished using jaw crushers or gyratory crushers.
Grinding
Grinding is the process of further refining the crushed ore to facilitate subsequent magnetic separation.
Magnetic separation
Magnetic separation is a process that uses the magnetic properties of ilmenite to separate and select titanium-iron concentrate.
Titanium Iron Smelting Process
The main methods for smelting titanium and iron are remelting, metal thermal reduction, and electrolysis.
Text: Remelting method
The remelting method is currently the main method for preparing high-titanium iron, mainly using waste titanium materials or sponge titanium as raw materials with added iron for remelting. It primarily employs induction furnaces and electric furnaces.
Metal Thermal Reduction Method
Metal thermal reduction methods include aluminothermic method and composite reducing agent method, which have the advantages of wide range of raw materials and low production cost.
Electrolysis
The electrolytic method is to prepare titanium-iron alloy by electrolysis of molten salt, mix and sinter the oxide of titanium with iron and oxides to make electrodes, and carry out electrolytic reduction in molten salt to prepare alloys.
New production process
In recent years, a new production process has emerged. It employs new methods and requires relatively simple equipment. The raw materials are readily available, the process is straightforward, and pollution is minimal. This can significantly reduce production costs, marking a revolutionary change for titanium production.
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