CN103433320A - Processing method of titanium anode plate made of pure titanium plate blank - Google Patents
Processing method of titanium anode plate made of pure titanium plate blank Download PDFInfo
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- CN103433320A CN103433320A CN2013103492535A CN201310349253A CN103433320A CN 103433320 A CN103433320 A CN 103433320A CN 2013103492535 A CN2013103492535 A CN 2013103492535A CN 201310349253 A CN201310349253 A CN 201310349253A CN 103433320 A CN103433320 A CN 103433320A
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Abstract
The invention provides a processing method of a titanium anode plate made of a pure titanium plate blank. The processing method is a method controlled by a whole processing chain actually; the titanium anode plate is prepared after the hot rough rolling, hot finishing, annealing, acid washing, cold rolling, uncoiling and slitting, sizing and atmospheric annealing are performed on the pure titanium plate blank; the thickness tolerance of the titanium anode plate is less than 0.10 mm, the inequality is controlled to be within 5mm/m, and the grain size evaluated according to the GB/T6394-2002 standard is between 6 and 8. The processing method provided by the invention is characterized in that the manner of combining the coiled material rolling with atmospheric annealing is adopted, requirements to the thickness of the titanium anode plate is controlled accurately, the grain size of the titanium anode plate is positioned at an international higher level, the atmospheric annealing has general applicability, the production cost is reduced, the production period is shortened, and the titanium anode plate finally prepared through the processing method can meet use requirements of the titanium anode plate from characteristics of uniform thickness, less inequality, small grain size and the like after comprehensive consideration.
Description
Technical field
The invention belongs to the materials processing technology field, especially a kind of processing method that is prepared titanium anode plate by pure titanium slab.
Background technology
Titanium anode plate is used widely in electrochemistry and electrometallurgy field due to its good decay resistance, lower cost, higher specific strength and excellent machining characteristics, usually titanium anode plate is made through multi-step process such as hot rolling, annealing, pickling, cold rolling, scale and vacuum annealings by pure titanium slab, in use, titanium anode plate is had to high requirement, as require titanium anode plate to there is the characteristics such as even thickness, unevenness is less, crystal grain is tiny.
Chinese patent 201210319732.8 discloses a kind of creep sizing method of titanium or titanium alloy sheet material, at first the method is being arranged in the school shape base plate of a unevenness≤2mm/m of horizontal positioned on the charging tray of vacuum annealing furnace, pending sheet material neatly is stacked on the shape base plate of school, to be stacked in subsequently sheet material on the shape base plate of school is warming up to 750～850 ℃ and carries out vacuum annealing and process after 0.5～2.5h cooling with stove under vacuum condition, one deck isolation backing plate is laid at sheet material top after vacuum annealing is processed, the sheet material that will be equipped with again isolation backing plate and school shape pressing plate heats under vacuum condition, make sheet material carry out creep sizing, being sheet material is warming up to 500～650 ℃ with the heating rate of 2～3 ℃/min, cooling with the rate of temperature fall of 0.5～2 ℃/min after insulation 6～10h, obtain the titanium or titanium alloy sheet material of unevenness≤2mm/m.
Although said method can be controlled at the sheet material unevenness below 2mm/m, but need to be through twice heating, annealing temperature is at 750～850 ℃ for the first time, titanium plate grain growth at high temperature is rapid, can not reach the requirement that crystal grain is tiny, and the stove under vacuum condition is cold subsequently, there is long, high in cost of production shortcoming of time.
Learn thus, meet the characteristics such as the titanium anode plate final thickness is even, unevenness is little, crystal grain is tiny, can not Jin Congmou road manufacturing procedure go to change, and will go to consider from whole manufacturing procedure.The relevant titanium anode plate of preparing from the whole manufacturing procedure of pure titanium slab has the characteristics such as even thickness, unevenness is little, crystal grain is tiny simultaneously, yet there are no relevant report.
Summary of the invention
For addressing the above problem, the invention provides a kind of processing method that is prepared titanium anode plate by pure titanium slab, the mode that this processing method has adopted rolling production and atmosphere annealing to combine, from the hot roughing of pure titanium plate, through hot finishing, annealing, pickling, cold rolling, uncoiling is cut with multiple working procedures such as scale, atmosphere annealing, prepares titanium anode plate, titanium anode plate has the characteristics such as even thickness, unevenness is less, crystal grain is tiny.
For achieving the above object, the present invention adopts following technical scheme:
A kind of processing method that is prepared titanium anode plate by pure titanium slab, this processing method experiences following manufacturing procedure:
1. using h, thick pure titanium slab, as hot roughing raw material, is put into heating furnace by pure titanium slab and is heated and be incubated, through N
1the hot roughing of individual passage is to h
1thick, then through N
1individual passage hot finishing is to h
2thick and be rolled into the hot rolling band;
2. described hot rolling band is put into to annealing furnace and anneal online, described hot rolling band is controlled T by the annealing time of unit length
1, carry out the shot-peening pickling after annealing to remove the oxide skin of described hot rolling belt surface;
3. the described hot rolling band after the shot-peening pickling is placed on to the multiple roll reversable mill or the multi-frame cold continuous rolling is cold-rolled to h
3thick cold coiling band, then remove the residual rolling grease of described cold coiling belt surface through alkaline cleaning fluid;
4. described cold coiling band is cut to the titanium sheet metal that becomes measure-alike with titanium anode plate with scale by uncoiler, the stack of described titanium sheet metal is formed to H in a pile high and be placed on the steel backing plate, the unevenness of described steel backing plate requires to be less than P, then presses h above the described titanium sheet metal of placing in a pile
4after thick steel pressing plate, it is together put into to the roller-way heating furnace, then the roller-way heating furnace is warming up to the W ℃ of insulation annealing carried out under atmospheric environment, the time of insulation annealing is T
2minute, insulation annealing is cooled to W with stove after finishing
1the air cooling of coming out of the stove again in the time of below ℃, finally again carry out the sandblast pickling to described titanium sheet metal and obtain titanium anode plate after removing its surface scale;
Feature of the present invention is as follows:
Above-mentioned 1. in: described h=180～210mm, the temperature of described heating is controlled at 840～880 ℃, the time of described insulation is controlled at 4～5 hours, described N
1=5～7, described h
1=20～25mm, described h
2=3.5～4.5mm;
Above-mentioned 2. in: the temperature of described annealing is controlled at 720～760 ℃, described T
1=3～5min/m;
Above-mentioned 3. in: described h
3=1.0～3.0mm;
Above-mentioned 4. in: described P=5mm/m, described h
4=30～50mm, described W=580～650, described T
2={ 0.67 * (described steel plate thickness+described steel thickness of compressive plate)+described H – 25mm} * 2, W
1=550.
The titanium anode plate obtained requires as follows through detecting its all technical:
Thickness deviation is less than 0.10mm, and unevenness is controlled in 5mm/m, presses the grain size of GB/T6394-2002 standard rating between 6～8 grades.
Described steel backing plate and steel pressing plate are square, and the described foursquare length of side is greater than the external diameter of described cold coiling band.
Owing to adopting technical scheme as mentioned above, the present invention produces following good effect:
1, processing method of the present invention is actually a full machining chain control method, although hot roughing, hot finishing, annealing, pickling, cold rolling, uncoiling is cut, and with scale and atmosphere, annealing is common processing mode, but the technological parameter that relevant manufacturing procedure is used is non-uniform, and these technological parameters finally make the titanium anode plate of preparing have the characteristics such as even thickness, unevenness is less, crystal grain is tiny by different manufacturing procedures simultaneously.
Although 2 unevenness are controlled at 5mm/m and are not so good as shown in background technology with interior, but also meet the instructions for use of titanium anode plate, most importantly the present invention has adopted the mode that the coiled material rolling combines with atmosphere annealing, the thickness requirement of titanium anode plate has been accomplished to accurate control, and the grain size that makes the titanium anode substrate is more senior in GB, atmosphere annealing has general applicability, has also reduced production cost and production cycle, considers the instructions for use that the present invention meets titanium anode plate simultaneously.
The specific embodiment
The present invention is a kind of processing method that is prepared titanium anode plate by pure titanium slab, this processing method is actually a full machining chain control method, although hot roughing, hot finishing, annealing, pickling, cold rolling, uncoiling is cut, and with scale and atmosphere, annealing is common processing mode, but the technological parameter that relevant manufacturing procedure is used is non-uniform, and these technological parameters finally make the titanium anode plate of preparing have the characteristics such as even thickness, unevenness is less, crystal grain is tiny by different manufacturing procedures simultaneously.
Disclose following content of the present invention current think suitable, but will be appreciated that: the present invention is intended to comprise that all belong to all changes and improvement in this design and invention scope of design.
1. using h thick pure titanium slab as TA1, TA2 etc. as hot roughing raw material, pure titanium slab is put into to heating furnace to be heated and is incubated, through N
1the hot roughing of individual passage is to h
1thick, then through N
1individual passage hot finishing is to h
2thick and be rolled into the hot rolling band, described h=180～210mm now, the temperature of described heating is controlled at 840～880 ℃, and the time of described insulation is controlled at 4～5 hours, described N
1=5～7, described h
1=20～25mm, described h
2=3.5～4.5mm.
2. described hot rolling band is put into to annealing furnace and anneal online, described hot rolling band is controlled T by the annealing time of unit length
1, carry out the shot-peening pickling after annealing to remove the oxide skin of described hot rolling belt surface, the temperature of now described annealing is controlled at 720～760 ℃, described T
1=3～5min/m, as described in hot rolling tape unit length be 10 meters, annealing time is controlled at 30～50min.
3. the described hot rolling band after the shot-peening pickling is placed on to the multiple roll reversable mill or the multi-frame cold continuous rolling is cold-rolled to h
3thick cold coiling band, then remove the residual rolling grease of described cold coiling belt surface, described h through alkaline cleaning fluid
3=1.0～3.0mm.
Above-mentioned N
1the hot roughing of individual passage, hot finishing and cold rolling crystal grain to described cold coiling band is tiny has played vital effect, also for preparing the compact grained titanium anode plate, lays a good foundation, and can realize that the thickness of titanium anode plate accurately controls simultaneously.
4. described cold coiling band is cut to the titanium sheet metal that becomes measure-alike with titanium anode plate with scale by uncoiler, the stack of described titanium sheet metal is formed to H in a pile high and be placed on the steel backing plate, the unevenness of described steel backing plate requires to be less than P, then presses h above the described titanium sheet metal of placing in a pile
4after thick steel pressing plate, it is together put into to the roller-way heating furnace, notice that described steel backing plate and steel pressing plate are square, the described foursquare length of side is greater than the external diameter of described cold coiling band, then the roller-way heating furnace is warming up to the W ℃ of insulation annealing carried out under atmospheric environment, the time of insulation annealing is T
2minute, insulation annealing is cooled to W with stove after finishing
1the air cooling of coming out of the stove again in the time of below ℃, finally again carry out the sandblast pickling to described titanium sheet metal and obtain titanium anode plate after removing its surface scale, described P=5mm/m, described h
4=30～50mm, described W=580～650, described T
2={ 0.67 * (described steel plate thickness+described steel thickness of compressive plate)+described H – 25mm} * 2, W
1=550.
The titanium anode plate obtained requires as follows through detecting its all technical:
Thickness deviation is less than 0.10mm, and unevenness is controlled in 5mm/m, presses the grain size of GB/T6394-2002 standard rating between 6～8 grades.Attention: be not so good as shown in background technology with interior although unevenness is controlled at 5mm/m, but also meet the instructions for use of titanium anode plate, most importantly the present invention has adopted the mode that the coiled material rolling combines with atmosphere annealing, the thickness requirement of titanium anode plate has been accomplished to accurate control, and the grain size that makes the titanium anode substrate is more senior in GB, atmosphere annealing has general applicability, production cost and production cycle have been reduced simultaneously, consider by full machining chain control method of the present invention, finally make the titanium anode plate of preparing can be from even thickness, unevenness is less, meet its instructions for use on the characteristics such as crystal grain is tiny.
Claims (2)
1. a processing method that is prepared titanium anode plate by pure titanium slab, this processing method experiences following manufacturing procedure:
1. using h, thick pure titanium slab, as hot roughing raw material, is put into heating furnace by pure titanium slab and is heated and be incubated, through N
1the hot roughing of individual passage is to h
1thick, then through N
1individual passage hot finishing is to h
2thick and be rolled into the hot rolling band;
2. described hot rolling band is put into to annealing furnace and anneal online, described hot rolling band is controlled T by the annealing time of unit length
1, carry out the shot-peening pickling after annealing to remove the oxide skin of described hot rolling belt surface;
3. the described hot rolling band after the shot-peening pickling is placed on to the multiple roll reversable mill or the multi-frame cold continuous rolling is cold-rolled to h
3thick cold coiling band, then remove the residual rolling grease of described cold coiling belt surface through alkaline cleaning fluid;
4. described cold coiling band is cut to the titanium sheet metal that becomes measure-alike with titanium anode plate with scale by uncoiler, the stack of described titanium sheet metal is formed to H in a pile high and be placed on the steel backing plate, the unevenness of described steel backing plate requires to be less than P, then presses h above the described titanium sheet metal of placing in a pile
4after thick steel pressing plate, it is together put into to the roller-way heating furnace, then the roller-way heating furnace is warming up to the W ℃ of insulation annealing carried out under atmospheric environment, the time of insulation annealing is T
2minute, insulation annealing is cooled to W with stove after finishing
1the air cooling of coming out of the stove again in the time of below ℃, finally again carry out the sandblast pickling to described titanium sheet metal and obtain titanium anode plate after removing its surface scale; It is characterized in that:
Above-mentioned 1. in: described h=180～210mm, the temperature of described heating is controlled at 840～880 ℃, the time of described insulation is controlled at 4～5 hours, described N
1=5～7, described h
1=20～25mm, described h
2=3.5～4.5mm;
Above-mentioned 2. in: the temperature of described annealing is controlled at 720～760 ℃, described T
1=3～5min/m;
Above-mentioned 3. in: described h
3=1.0～3.0mm;
Above-mentioned 4. in: described P=5mm/m, described h
4=30～50mm, described W=580～650, described T
2={ 0.67 * (described steel plate thickness+described steel thickness of compressive plate)+described H – 25mm} * 2, W
1=550;
The titanium anode plate obtained requires as follows through detecting its all technical:
Thickness deviation is less than 0.10mm, and unevenness is controlled in 5mm/m, presses the grain size of GB/T6394-2002 standard rating between 6～8 grades.
2. a kind of processing method that is prepared titanium anode plate by pure titanium slab according to claim 1, it is characterized in that: described steel backing plate and steel pressing plate are square, and the described foursquare length of side is greater than the external diameter of described cold coiling band.
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| CN201310349253.5A CN103433320B (en) | 2013-08-13 | 2013-08-13 | A kind of processing method being prepared titanium anode plate by Titanium board base |
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| CN201310349253.5A CN103433320B (en) | 2013-08-13 | 2013-08-13 | A kind of processing method being prepared titanium anode plate by Titanium board base |
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| CN103433320B CN103433320B (en) | 2016-03-02 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949853A (en) * | 2014-04-21 | 2014-07-30 | 西部超导材料科技股份有限公司 | Processing method of human body implant titanium alloy arc-shaped plate |
| CN104226721A (en) * | 2014-09-05 | 2014-12-24 | 常熟市佳泰金属材料有限公司 | Novel production device for pure titanium coils |
| CN104745996A (en) * | 2013-12-26 | 2015-07-01 | 中国钢铁股份有限公司 | Method for manufacturing titanium sheet |
| CN105170686A (en) * | 2015-07-21 | 2015-12-23 | 洛阳双瑞精铸钛业有限公司 | Processing method for high-purity titanium sheet for coating titanium anode base material |
| CN105887133A (en) * | 2016-06-28 | 2016-08-24 | 湖南新发科技有限责任公司 | Method for preparing high-deformation resistance titanium anode from electrolytic manganese dioxide |
| CN109136807A (en) * | 2018-06-28 | 2019-01-04 | 洛阳双瑞精铸钛业有限公司 | A kind of titanium plate method for annealing obtaining good profile |
| CN110814079A (en) * | 2019-10-17 | 2020-02-21 | 湖南湘投金天钛金属股份有限公司 | Preparation process of titanium strip coil for high-end anode |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745996A (en) * | 2013-12-26 | 2015-07-01 | 中国钢铁股份有限公司 | Method for manufacturing titanium sheet |
| CN103949853A (en) * | 2014-04-21 | 2014-07-30 | 西部超导材料科技股份有限公司 | Processing method of human body implant titanium alloy arc-shaped plate |
| CN103949853B (en) * | 2014-04-21 | 2016-08-31 | 西部超导材料科技股份有限公司 | A kind of processing method of body implant titanium alloy arc |
| CN104226721A (en) * | 2014-09-05 | 2014-12-24 | 常熟市佳泰金属材料有限公司 | Novel production device for pure titanium coils |
| CN105170686A (en) * | 2015-07-21 | 2015-12-23 | 洛阳双瑞精铸钛业有限公司 | Processing method for high-purity titanium sheet for coating titanium anode base material |
| CN105887133A (en) * | 2016-06-28 | 2016-08-24 | 湖南新发科技有限责任公司 | Method for preparing high-deformation resistance titanium anode from electrolytic manganese dioxide |
| CN109136807A (en) * | 2018-06-28 | 2019-01-04 | 洛阳双瑞精铸钛业有限公司 | A kind of titanium plate method for annealing obtaining good profile |
| CN109136807B (en) * | 2018-06-28 | 2021-03-26 | 洛阳双瑞精铸钛业有限公司 | Titanium plate annealing method for obtaining good plate shape |
| CN110814079A (en) * | 2019-10-17 | 2020-02-21 | 湖南湘投金天钛金属股份有限公司 | Preparation process of titanium strip coil for high-end anode |
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