A kind of preparation device and preparation method of titanium metal

A technology of metal titanium and anode chamber, which is applied in the field of electrochemical metallurgy, can solve the problems of complex preparation process, low electrolysis efficiency of metal titanium, and high oxygen content of electrolysis products, so as to eliminate the limitation of solubility, simplify the treatment process and equipment, and improve the quality Effect

Active Publication Date: 2019-12-24
钢研晟华科技股份有限公司
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above situation, the present invention aims to provide a method that solves the problems of low electrolysis efficiency, high oxygen content of electrolysis products and complicated preparation process in the prior art.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of preparation device and preparation method of titanium metal

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0032] A specific embodiment of the present invention provides a method for preparing metal titanium, comprising the following steps: in the anode chamber, the NaCl molten salt in the anode chamber undergoes an oxidation reaction to generate Cl 2 and Na + , titanium oxide, carbonaceous reducing agent and the generated Cl 2 Carbothermal chlorination reaction to generate TiCl 4 ; generate TiCl 4 Into the cathode chamber cathode chamber NaCl molten salt, Na + Directed migration to the cathode chamber through the sodium ion conducting crucible; in the cathode chamber, Na + Reduction to form sodium metal, dissolved in the molten NaCl salt in the cathode chamber, TiCl 4 A reduction reaction occurs with metallic sodium dissolved in the NaCl molten salt in the cathode chamber to generate metallic titanium and NaCl molten salt.

[0033] Compared with the prior art, the preparation method of titanium metal provided by the present invention adopts a two-step method to prepare titani...

Embodiment 1

[0060] The cathode compartment electrolyte is NaCl, the anode compartment electrolyte is composed of NaCl-KCl (NaCl is the effective component of the electrolyte, KCl is the flux, and only NaCl can be transferred from the anode compartment to the cathode compartment), where the mass ratio of NaCl to KCl is 4:1, and the anode The electrolyte mass ratio between chamber and cathode chamber is 1:1. TiO 2 Mix it with graphite powder pure chemical reagent at a mass ratio of 10:3, add it to the electrolytic cell in the anode chamber, and mix it evenly with the electrolyte.

[0061] The anode chamber and the cathode chamber are completely sealed, and TiCl is passed between the two chambers. 4 The connecting pipes are connected, and the connecting pipes are kept below the liquid level of the molten pool. After the electrolytic cell was heated up to 810°C, the temperature was kept constant, and the voltage was adjusted to 3.5V for electrolysis, kept for 2 hours and then cooled to room...

Embodiment 2

[0064] The cathode compartment electrolyte is NaCl, the anode compartment electrolyte is composed of NaCl-KCl, wherein the mass ratio of NaCl to KCl is 10:1, and the mass ratio of the anode compartment to the cathode compartment electrolyte is 1:1. TiO 2 Mix it with graphite powder pure chemical reagent at a mass ratio of 10:3, add it to the electrolytic cell in the anode chamber, and mix it evenly with the electrolyte.

[0065] The anode chamber and the cathode chamber are completely sealed, and TiCl is passed between the two chambers. 4 The connecting pipes are connected, and the connecting pipes are kept below the liquid level of the molten pool. After the electrolytic cell is heated to 810°C, the temperature is kept constant, and the voltage is adjusted to 4-4.5V for electrolysis. After keeping for 2 hours, it is cooled to room temperature.

[0066] When the voltages were 4V and 4.5V, the chlorination rates of titanium in the anode chamber were 95.4% and 97.2% respective...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
process yieldaaaaaaaaaa
Login to View More

Abstract

The invention discloses a preparing device and preparing method of metallic titanium, and belongs to the technical field of electrochemical metallurgy. The problems that in the prior art, metallic titanium prepared through an electrolytic process is low in electrolytic efficiency, an electrolytic product is high in oxygen content, and the preparing process is complex are solved. According to the above preparing method, in an anode chamber, anode chamber NaCl fused salt is subjected to an oxidizing reaction to generate Cl2 and Na+, and titanium oxide, a carbonaceous reducing agent and the generated Cl2 are subjected to a carbothermal chlorination reaction to generate TiCl4; the generated TiCl4 is led into cathode chamber NaCl fused salt, and Na+ is directionally transferred to a cathode chamber through a sodium ion conducting crucible; and in the cathode chamber, Na+ is subjected to reduction to form metallic sodium, the metallic sodium is dissolved in the cathode chamber NaCl fused salt, TiC14 and the metallic sodium are subjected to a reduction reaction, and the metallic titanium and NaCl fused salt are generated. The preparing device comprises a power source, a cathode conductivecrucible, an anode conductive crucible and the sodium ion conducting crucible. The preparing device and preparing method of the metallic titanium are used for preparing the metallic titanium.

Description

technical field [0001] The invention relates to an electrochemical metallurgy technology, in particular to a preparation device and a preparation method of titanium metal. Background technique [0002] Metal titanium has excellent properties such as corrosion resistance, light density, non-toxic and non-magnetic, and high specific strength. It is widely used in aerospace, shipping, chemical, medical equipment and other fields. [0003] In the prior art, metal titanium can be prepared by electrolysis, and its electrolysis method can include direct electrolysis of molten pool (such as TiCl 4 、K 2 TiF 6 direct electrolysis), cathodic deoxidation electrolysis (such as Cambridge process FCC method), self-dissolving anode electrolysis (Beijing University of Science and Technology USTB process) and cathodic electrolytic reduction (such as Kyoto University OS process in Japan). [0004] However, with molten pool direct electrolysis, TiCl 4 、K 2 TiF 6 The solubility in the elec...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & AuthorityPatents(China)
IPC IPC(8): C25C3/28C25C7/00
CPCC25C3/28C25C7/005
Inventor张俊齐渊洪严定鎏
Owner钢研晟华科技股份有限公司