CN100516315C - Method of producing aluminium titanium alloy using aluminium electrolytic tank - Google Patents
Method of producing aluminium titanium alloy using aluminium electrolytic tank Download PDFInfo
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- CN100516315C CN100516315C CNB2005100861158A CN200510086115A CN100516315C CN 100516315 C CN100516315 C CN 100516315C CN B2005100861158 A CNB2005100861158 A CN B2005100861158A CN 200510086115 A CN200510086115 A CN 200510086115A CN 100516315 C CN100516315 C CN 100516315C
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Abstract
The invention relates to a method to produce aluminum titanium alloy by using aluminum electro-bath. The feature is that the raw material is alumina and titanium dioxide, and the purity of alumina should over 98%, as well as titanium dioxide; selecting cryolite molten salt aluminum electro-bath; adding alumina and titanium dioxide into the electro-bath to liquating into the cryolite melt, and the consistency of alumina is 2-5%, the titanium dioxide is below 1%. Under the effect of DC, the metallic aluminum and metallic titanium would be separated out on the cathode of the electro-bath. The equal aluminum titanium alloy would be formed under the whisking of magnetic field force of electro-bath. Aluminum absorbing package would absorb the alloy out and cast into aluminum titanium alloy bullion. The advantage of the invention is low energy consumption, low cost, high content of titanium in the alloy that could reach 2.5% and the actual recycle ratio of titanium could reach 98%.
Description
Technical field
The present invention relates to a kind of method of producing aluminum titanium alloy, belong to the aluminium reduction process field of production with aluminium cell.
Background technology
The production of aluminum titanium alloy promptly is to be in the same place to mixing in proportion after metallic aluminium and metal titanium are melted at industrial general employing mix-melting method, casts aluminum titanium alloy then.This method energy consumption is big, the cost height, and the titanium casting yield is low, and the titanium casting yield has only about 85%; Also having another kind of method at present is that titanium dioxide is added in the anode batching, makes carbon anode, and in electrolytic process, titanium dioxide enters into ionogen along with anodic consumption, passes through electrolysis again, separates out at negative electrode jointly with aluminium, forms aluminum titanium alloy.Titanium content in its alloy is up to 0.5%.This method shortcoming is that plate resistance is big, and power consumption is high, because the adding of titanium, anodic ultimate compression strength is little, and anode is of poor quality, and consumption increases, and production cost increases, and the content of titanium is low in the aluminum titanium alloy.
Summary of the invention
The purpose of this invention is to provide a kind of production aluminum titanium alloy Chemical Composition evenly, the casting yield height of titanium in titanium content height, the production process in the alloy, can reach the method for producing aluminum titanium alloy with aluminium cell about 98%.
The objective of the invention is to realize in the following manner:
1., the raw material of producing aluminum titanium alloy with aluminium cell is aluminum oxide and titanium dioxide, the purity of aluminum oxide is not less than 98%, the purity of titanium dioxide is not less than 98%;
2., select cryolite fused salt aluminium cell, its electrolysis process technical qualification to keep as follows: electrolysis temperature 930-960 ℃, the horizontal 17-20cm of fused salt, aluminum liquid horizontal 18-24cm, electrolyte molecule be than 2.4-2.8, groove operating voltage 4.1-4.3V;
3., in selected aluminium cell, add aluminum oxide and titanium dioxide raw material, it is fused in the middle of the cryolite melts, alumina concentration remains on 2-5%, titanium dioxide concentration remains on＜1%;
4., under galvanic effect, beginning precipitating metal aluminium and metal titanium on the negative electrode of aluminium cell, and under the magnetic field force that electrolyzer produces stirs, form the uniform aluminum titanium alloy of Chemical Composition;
5., with inhaling the aluminium bag with the aluminum titanium alloy sucking-off of producing in the aluminium cell, and cast the aluminum titanium alloy ingot.
Advantage of the present invention is: energy consumption is low, cost is low, the content height of titanium in the aluminum titanium alloy, can reach 2.5%, the casting yield of its titanium can reach about 98%, and the aluminum titanium alloy quality height of producing, the even segregation-free of Chemical Composition, the crystal grain of alloy and mechanical property all are better than the aluminum titanium alloy that mix-melting method is produced.
Description of drawings
Fig. 1 is the production scheme of the embodiment of the invention 1.
Embodiment
Embodiment 1:
With reference to accompanying drawing, an electrolytic aluminium plant of producing 3.65 ten thousand tons per year has 100 of the aluminium cells of 135KA.It is 3650 tons of 2% aluminum titanium alloys that titanium content year is produced in the plan of this factory, can choose 10 aluminium cells and carry out aluminum titanium alloy production.Selected 10 cell technologies conditions are pressed groove operating voltage 4.1-4.3V, and electrolysis temperature 930-960 ℃, the horizontal 17-20cm of fused salt, aluminum liquid horizontal 18-24cm, molecular ratio keeps 2.4-2.8.In every aluminium cell, add 35kg purity every day and be 98% titanium dioxide and 1910kg purity and be 98% aluminum oxide, then every day every platform trough can to produce titanium content be 1 ton of 2% aluminum titanium alloy, the casting yield of its titanium is more than 98%, every day the aluminum titanium alloy melt of producing in the groove is used and inhaled the sucking-off of aluminium bag, and be transported to molding floor and carry out ingot casting, the annual production program that just can finish 3650 tons aluminum titanium alloy.
Embodiment 2:
An electrolytic aluminium plant of producing 100000 tons per year, it is 120 that the 300KA aluminium cell is arranged.It is 4140 tons of 2.5% aluminum titanium alloys that titanium content is produced in the plan of this factory per year, can choose 5 aluminium cells and carry out aluminum titanium alloy production.Selected 5 cell technologies conditions are pressed groove operating voltage 4.1V～4.3V, 930 ℃～960 ℃ of electrolysis temperatures, and fused salt level 17～20cm, aluminum liquid horizontal 18～24cm, molecular ratio is 2.4～2.8.In every aluminium cell, add 95kg purity every day and be 98% titanium dioxide and 4380kg purity and be 98.4% aluminum oxide, then every day every platform trough can to produce titanium content be 2.5% aluminum titanium alloy 2270kg, the casting yield of its titanium is more than 98%.With inhaling the sucking-off of aluminium bag, and be transported to the aluminum titanium alloy melt produced in the groove molding floor and carry out ingot casting, the annual aluminum titanium alloy production program that just can finish 4140 tons every day.
Claims (1)
1, a kind of method of producing aluminum titanium alloy with aluminium cell, it includes following steps:
(1), the raw material of producing aluminum titanium alloy with aluminium cell is aluminum oxide and titanium dioxide, the purity of aluminum oxide is not less than 98%, the purity of titanium dioxide is not less than 98%;
(2), select cryolite fused salt aluminium cell, its electrolysis process technical qualification to keep as follows: electrolysis temperature 930-960 ℃, the horizontal 17-20cm of fused salt, aluminum liquid horizontal 18-24cm, electrolyte molecule be than 2.4-2.8, groove operating voltage 4.1-4.3V;
(3), under galvanic effect, beginning precipitating metal aluminium and metal titanium on the negative electrode of aluminium cell, and under the magnetic field force that electrolyzer produces stirs, form the uniform aluminum titanium alloy of Chemical Composition;
(4), with inhaling the aluminium bag with the aluminum titanium alloy sucking-off that produces in the aluminium cell, and cast the aluminum titanium alloy ingot;
It is characterized in that, add aluminum oxide and titanium dioxide raw material in selected aluminium cell, it is fused in the middle of the cryolite melts, alumina concentration remains on 2-5%, and titanium dioxide concentration remains on＜and 1%;
With the aluminium cell of 135KA, in every aluminium cell, add 35kg purity every day and be 98% titanium dioxide and 1910kg purity and be 98% aluminum oxide;
With the aluminium cell of 300KA, in every aluminium cell, add 95kg purity every day and be 98% titanium dioxide and 4830kg purity and be 98.4% aluminum oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100861158A CN100516315C (en) | 2005-07-14 | 2005-07-14 | Method of producing aluminium titanium alloy using aluminium electrolytic tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100861158A CN100516315C (en) | 2005-07-14 | 2005-07-14 | Method of producing aluminium titanium alloy using aluminium electrolytic tank |
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| CN1724716A CN1724716A (en) | 2006-01-25 |
| CN100516315C true CN100516315C (en) | 2009-07-22 |
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| CNB2005100861158A Active CN100516315C (en) | 2005-07-14 | 2005-07-14 | Method of producing aluminium titanium alloy using aluminium electrolytic tank |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092715B (en) * | 2007-05-25 | 2010-08-25 | 山东南山铝业股份有限公司 | Electroanalysis eutectrol process for producing alloy of aluminum and titanium |
| CN102011022B (en) * | 2010-12-30 | 2013-06-19 | 新疆众和股份有限公司 | Method for preparing high-purity aluminium-titanium intermediate alloy |
| CN102634821B (en) * | 2012-05-15 | 2014-12-24 | 山东滨州渤海活塞股份有限公司 | Electrolytic production process of aluminum-zirconium-titanium 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 |
| CN105154922B (en) * | 2015-08-12 | 2017-08-25 | 贵州盘县紫森源（集团）实业发展投资有限公司 | A kind of method that aluminum titanium alloy is prepared by raw material of gangue |
| 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 |
| CN109023431B (en) * | 2018-09-30 | 2020-05-12 | 成都先进金属材料产业技术研究院有限公司 | Method for preparing titanium-aluminum alloy |
| CN109267108B (en) * | 2018-11-30 | 2021-02-26 | 包头铝业有限公司 | Preparation method of aluminum-chromium alloy |
| CN109778020A (en) * | 2019-03-11 | 2019-05-21 | 江苏华企铝业科技股份有限公司 | The high-densit aluminum titanium alloy ingot of high-purity and its manufacturing method |
| CN110684899A (en) * | 2019-10-14 | 2020-01-14 | 湖南金天铝业高科技股份有限公司 | Preparation method of 3D printing titanium alloy powder |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298965C (en) * | 2001-11-09 | 2007-02-07 | 三菱重工业株式会社 | Turbine and its manufacture |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298965C (en) * | 2001-11-09 | 2007-02-07 | 三菱重工业株式会社 | Turbine and its manufacture |
Non-Patent Citations (2)
| Title |
|---|
| 低钛铝合金锭的电解法生产. 陈娜，刘忠侠.《加工工艺》之《铝加工》，第总第149期,2003年第2期. 2004 |
| 低钛铝合金锭的电解法生产. 陈娜，刘忠侠.《加工工艺》之《铝加工》，第总第149期,2003年第2期. 2004 * |
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