CN101092715A - Electroanalysis eutectrol process for producing alloy of aluminum and titanium - Google Patents
Electroanalysis eutectrol process for producing alloy of aluminum and titanium Download PDFInfo
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- CN101092715A CN101092715A CN 200710015567 CN200710015567A CN101092715A CN 101092715 A CN101092715 A CN 101092715A CN 200710015567 CN200710015567 CN 200710015567 CN 200710015567 A CN200710015567 A CN 200710015567A CN 101092715 A CN101092715 A CN 101092715A
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Abstract
This invention relates to a method for producing Al-Ti alloy by electrolytic coprecipitation. The method comprises: feeding TiO2 into an electrolytic bath from the feeding mouth 3-5 times each day, samplying and analyzing after 2-3 h, discharging Al, terminating TiO2 feeding to lower the content of Ti in the electrolytic bath when electrolytic coprecipitation is performed for 4-6 months, feeding TiO2 into another electrolytic bath, and controlling the content increase of TiO2 in the electrolytic bath match the content decrease of TiO2 in the first electrolytic bath to guarantee the supply of Al-Ti alloy. By the method, the electrolytic baths have stable running and no obvious decrease of current efficiency; the furnace bottom is protected. The method can be applied to 300 kA electrolytic bath stably and permanently.
Description
One, technical field
The present invention relates to a kind of production method of aluminum titanium alloy, specifically relate to a kind of electroanalysis eutectrol process that on 300KA level prebaked cell, adopts and produce the method for aluminum titanium alloy, belong to the production method technical field of aluminum titanium alloy.
Two, background technology
Increase along with the aluminium alloy production quantity, and the rise of metal titanium price, the advantage that electroanalysis eutectrol process is produced aluminium titanium master alloy displays, and existing employing electroanalysis eutectrol process is produced aluminum titanium alloy, in its electrolyzer in the aluminium the titanium content that generates up to more than 1%, exist the electrolyzer degree of stability poor, current efficiency, economic benefit are low.As on 300KA level electrolyzer, using, because 300KA level management difficulty is bigger, can cause economic benefit obviously to descend, traditional electroanalysis eutectrol process is produced aluminum titanium alloy and has been limited the application of this method on 300KA level large-scale pre-baked cell.
Three, summary of the invention
The purpose of this invention is to provide in a kind of electrolyzer that the titanium content that generates is not higher than 1% in the aluminium; can guarantee that electrolyzer steady running, current efficiency do not produce obvious reduction, help protecting furnace bottom, the electroanalysis eutectrol process of the production aluminum titanium alloy that can on 300KA level electrolyzer, steadily use for a long time.
The present invention is achieved by the following technical solutions.
A kind of electroanalysis eutectrol process of producing aluminum titanium alloy is characterized in that comprising following steps
At first divide 3-5 adding every day with titanium dioxide from the electrolyzer feed opening, 2-3 hour sampling analysis after adding is finished goes out the aluminium batching;
In an electrolyzer, the electrolysis eutectoid is produced aluminum titanium alloy and is reached 4-6 in the time of individual month, carries out technology by turns, promptly stops to add titanium dioxide to the titaniferous groove, and this groove titaniferous amount is descended;
Add titanium dioxide to another electrolyzer simultaneously, make the rising of its concentration and stop to add the reduction of titanium electrolytic cell concentration to be complementary, providing of Ti-contained Al alloy is provided.
Described adding titanium dioxide makes in the electrolyzer that titanium content is 0.4-1.0% in the aluminium;
Described adding titanium dioxide, titanium content is 0.5-0.6% in the aluminium in electrolyzer;
Described adding titanium dioxide, titanium content is 0.5% in the aluminium in electrolyzer.
The method that a kind of electroanalysis eutectrol process of the present invention is produced aluminum titanium alloy; the titanium content that generates is not higher than 1% in the interior aluminium of electrolyzer; can guarantee that electrolyzer steady running, current efficiency do not produce obvious reduction, help protecting furnace bottom, can steadily use for a long time on 300KA level electrolyzer.
Four, embodiment
Specify technical scheme of the present invention below by several embodiment, but the present invention is not limited to following examples.
Embodiment 1
A kind of electroanalysis eutectrol process is produced the method for aluminum titanium alloy, and it is realized by following operating process
Divide 4 addings with titanium dioxide every day from the electrolyzer feed opening, sampling analysis after 2 hours, go out the aluminium batching, when electrolysis eutectoid aluminum titanium alloy moves about 4 months, carry out technology by turns, promptly stop to add titanium dioxide, this groove titaniferous amount is descended to the titaniferous groove, replace with other groove simultaneously and get final product, in the electrolyzer in the aluminium titanium content be 0.4%.
Embodiment 2
The method that a kind of electroanalysis eutectrol process of present embodiment is produced aluminum titanium alloy, divide 3 addings with titanium dioxide every day from the electrolyzer feed opening, sampling analysis after 3 hours, go out the aluminium batching, when electrolysis eutectoid aluminum titanium alloy moves about 5 months, carry out technology by turns, promptly stop to add titanium dioxide to the titaniferous groove, this groove titaniferous amount is descended, replaces with other groove simultaneously and get final product, in the electrolyzer in the aluminium titanium content be 0.5%.
Embodiment 3
The method that a kind of electroanalysis eutectrol process of present embodiment is produced aluminum titanium alloy, divide 5 addings with titanium dioxide every day from the electrolyzer feed opening, 2.5 sampling analysis after hour, go out the aluminium batching, when electrolysis eutectoid aluminum titanium alloy moves about 6 months, carry out technology by turns, promptly stop to add titanium dioxide to the titaniferous groove, this groove titaniferous amount is descended, replaces with other groove simultaneously and get final product, in the electrolyzer in the aluminium titanium content be 0.6%.
Embodiment 4
The method that a kind of electroanalysis eutectrol process of present embodiment is produced aluminum titanium alloy, divide 4 addings with titanium dioxide every day from the electrolyzer feed opening, sampling analysis after 3 hours, go out the aluminium batching, when electrolysis eutectoid aluminum titanium alloy moves about 4 months, carry out technology by turns, promptly stop to add titanium dioxide to the titaniferous groove, this groove titaniferous amount is descended, replaces with other groove simultaneously and get final product, in the electrolyzer in the aluminium titanium content be 0.8%.
Embodiment 5
The method that a kind of electroanalysis eutectrol process of present embodiment is produced aluminum titanium alloy, divide 5 addings with titanium dioxide every day from the electrolyzer feed opening, sampling analysis after 2 hours, go out the aluminium batching, when electrolysis eutectoid aluminum titanium alloy moves about 5 months, carry out technology by turns, promptly stop to add titanium dioxide to the titaniferous groove, this groove titaniferous amount is descended, replaces with other groove simultaneously and get final product, in the electrolyzer in the aluminium titanium content be 1.0%.
Above embodiment produces the electroanalysis eutectrol process of aluminum titanium alloy, all can realize purpose of the present invention, and the titanium content that generates all is not higher than 1% in the interior aluminium of electrolyzer, is a kind of electroanalysis eutectrol process that can use the production aluminum titanium alloy on 300KA level electrolyzer; Owing to adopt low titanium dioxide concentration, reduced the activity of titanium-containing compound in ionogen, reduced the disadvantageous effect of titanium elements to current efficiency; Simultaneously, owing to adopted technology to rotate system, can be beneficial to and eliminate, have and be adapted at the obvious advantage used on the above large-scale pre-baked cell of 300KA level because bearth precipitation that the operation of electrolysis eutectoid titanium flute length phase causes and crust change the unstable and cell life reduction of the groove condition that causes.
Claims (4)
1, a kind of electroanalysis eutectrol process of producing aluminum titanium alloy is characterized in that comprising following steps and at first divides 3-5 adding every day with titanium dioxide from the electrolyzer feed opening, and sampling analysis after 2-3 hour goes out the aluminium batching;
In an electrolyzer, the electrolysis eutectoid is produced aluminum titanium alloy and is reached 4-6 in the time of individual month, carries out technology by turns, promptly stops to add titanium dioxide to the titaniferous groove, and this groove titaniferous amount is descended;
Add titanium dioxide to another electrolyzer simultaneously, make the rising of its concentration and stop to add the reduction of titanium electrolytic cell concentration to be complementary, providing of Ti-contained Al alloy is provided.
2, the method for producing aluminum titanium alloy by the described a kind of electroanalysis eutectrol process of claim 1 is characterized in that described adding titanium dioxide, makes in the electrolyzer that titanium content is 0.4-1.0% in the aluminium.
3, the method for producing aluminum titanium alloy by the described a kind of electroanalysis eutectrol process of claim 1 is characterized in that described adding titanium dioxide, and titanium content is 0.5-0.6% in the aluminium in electrolyzer.
4, the method for producing aluminum titanium alloy by the described a kind of electroanalysis eutectrol process of claim 1 is characterized in that described adding titanium dioxide, and titanium content is 0.5% in the aluminium in electrolyzer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100155676A CN101092715B (en) | 2007-05-25 | 2007-05-25 | Electroanalysis eutectrol process for producing alloy of aluminum and titanium |
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| CN2007100155676A CN101092715B (en) | 2007-05-25 | 2007-05-25 | Electroanalysis eutectrol process for producing alloy of aluminum and titanium |
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| CN101092715A true CN101092715A (en) | 2007-12-26 |
| CN101092715B CN101092715B (en) | 2010-08-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878413A (en) * | 2015-06-25 | 2015-09-02 | 贵州师范大学 | Method for utilizing titaniferous electric furnace slag for direct electrolysis to produce low-titanium-aluminum alloy |
| CN109023432A (en) * | 2018-10-09 | 2018-12-18 | 龙蟒佰利联集团股份有限公司 | A kind of electrolyzing fused titanium dioxide prepares the method and electrolysis unit of titanium-aluminium alloy |
| CN109706482A (en) * | 2017-10-26 | 2019-05-03 | 遵义市吉祥富康门窗有限公司 | A kind of preparation method of titanium-aluminium alloy |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116440C (en) * | 1999-12-03 | 2003-07-30 | 郑州大学 | Process for preparing Ti-contained Al alloy |
| CN100516315C (en) * | 2005-07-14 | 2009-07-22 | 包头铝业有限公司 | Method of producing aluminium titanium alloy using aluminium electrolytic tank |
-
2007
- 2007-05-25 CN CN2007100155676A patent/CN101092715B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878413A (en) * | 2015-06-25 | 2015-09-02 | 贵州师范大学 | Method for utilizing titaniferous electric furnace slag for direct electrolysis to produce low-titanium-aluminum alloy |
| CN104878413B (en) * | 2015-06-25 | 2017-04-26 | 贵州师范大学 | Method for utilizing titaniferous electric furnace slag for direct electrolysis to produce low-titanium-aluminum alloy |
| CN109706482A (en) * | 2017-10-26 | 2019-05-03 | 遵义市吉祥富康门窗有限公司 | A kind of preparation method of titanium-aluminium alloy |
| CN109023432A (en) * | 2018-10-09 | 2018-12-18 | 龙蟒佰利联集团股份有限公司 | A kind of electrolyzing fused titanium dioxide prepares the method and electrolysis unit of titanium-aluminium alloy |
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| CN101092715B (en) | 2010-08-25 |
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