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A kind of electrolysis method of titanium soluble anode

An electrolysis method and anode technology are applied in the field of electrolysis of titanium soluble anode, which can solve the problems of incomplete electrolytic dissolution and low efficiency of titanium soluble anode, and achieve the effect of solving incomplete electrolytic dissolution and low efficiency.

Active Publication Date: 2018-08-14
CHENGDU ADVANCED METAL MATERIALS IND TECH RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem solved by the present invention is to provide a method that can effectively solve the problems of incomplete electrolytic dissolution and low efficiency of titanium soluble anodes

Method used

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  • A kind of electrolysis method of titanium soluble anode
  • A kind of electrolysis method of titanium soluble anode

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Experimental program
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Embodiment 1

[0032] NaCl-KCl-TiCl at 720°C x In the system, the molar ratio of NaCl to KCl is 1:1, and the content of TiClx is 3.5%. Insert a Φ150*2 porous corundum tube with a porous diameter of about 25 μm and a depth of 200mm. Divide the electrolytic system into an anode area and a cathode Area. Anode area: first add TiC with a volume fraction of 40% and a particle size of 47 μm 0.5 o 0.5 Dissolvable anode, then insert a vent tube with an inner diameter of 8mm, pass in an inert gas, the gas volume is controlled at 5L / min, and finally insert two Φ20 graphite rods as anodes, and control the anode current density to 1.0A / cm 2 ; A carbon steel rod with a diameter of 10mm is inserted in the cathode area as the cathode, and the cathode current density is controlled at 0.5A / cm 2 , turn on the DC power supply to implement electrolysis. When the voltage of the electrolyte electrolyzer rises sharply, the electrolysis is stopped, and the electrolyte and residue in the anode area are extracted ...

Embodiment 2

[0036] NaCl-KCl-TiCl at 720°C xIn the system, the molar ratio of NaCl to KCl is 1:1, the content of TiClx is 3.5%, and a porous corundum tube of Φ150*2 is inserted. The particle size is 74μm, the outer titanium soluble anode, the inner diameter of the inert gas inlet tube is 8mm, the inlet volume is controlled at 5L / min, two Φ20 graphite rods are inserted as the anode, and the carbon steel rod is used as the cathode, and the anode current density is 1.0A / cm 2 , the cathode current density is 0.5A / cm 2 , turn on and deliver direct current until the voltage rises sharply to stop electrolysis. Vacuum ladle was used to extract the anode anode, and after washing and removing the electrolyte, the titanium content was analyzed and reduced from 90% to 5%, indicating that the titanium in the extra-grade titanium can be better dissolved.

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Abstract

The invention relates to an electrolyzing method for a titanium soluble anode and belongs to the field of non-ferrous metal metallurgy. The electrolyzing method achieves the technical purpose that the problems that electrolyzing dissolving of the titanium soluble anode is not complete and efficiency is low can be effectively solved. According to the electrolyzing method for the titanium soluble anode, a fused salt electrolyzing method is adopted, an anode area, a cathode area and electrolyte of a molten pool are divided on one side of a porous insulation partition plate or in a basket, the anode area comprises the titanium soluble anode, a ventilation pipe and a noble electrode, the cathode comprises conduction metal which is arranged on the other side of the porous insulation partition plate or in the electrolyte outside the basket, the electrolyte is low-valence titanium dichloride molten salt, inert gas is led into the anode area, the titanium solute anode is stirred, direct current is led into the anode area, and metal titanium is obtained. Continuous electrolyzing of the titanium soluble anode is achieved in the mode of regularly removing residue of the anode electrolyte.

Description

technical field [0001] The invention relates to an electrolysis method for a titanium soluble anode, which belongs to the field of nonferrous metal smelting. Background technique [0002] Titanium and titanium alloys have a series of advantages such as corrosion resistance, high specific strength, and high heat resistance, and are widely used in aerospace, marine, and pharmaceutical fields. At present, the main method to obtain titanium metal is the magnestic reduction method (kroll method), but its production cost remains high due to its long production process and intermittent production, which seriously limits its wide application. The molten salt electrolysis method to obtain metal titanium has the advantages of short production process and low preparation cost, which has become a research hotspot at home and abroad. In particular, the electro-deoxidation method (FFC method) proposed in 2000 to prepare metal titanium has set off a new upsurge at home and abroad. . [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25C3/26
Inventor 朱福兴穆天柱邓斌何安西程晓哲马尚润陈兵郑权张瑶
Owner CHENGDU ADVANCED METAL MATERIALS IND TECH RES INST CO LTD