CN203791602U - Magnesium alloy strip continuous production equipment - Google Patents
Magnesium alloy strip continuous production equipment Download PDFInfo
- Publication number
- CN203791602U CN203791602U CN201420132788.7U CN201420132788U CN203791602U CN 203791602 U CN203791602 U CN 203791602U CN 201420132788 U CN201420132788 U CN 201420132788U CN 203791602 U CN203791602 U CN 203791602U
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- China
- Prior art keywords
- strip
- crystallizer
- magnesium alloy
- pipeline
- conveying roller
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 62
- 238000010924 continuous production Methods 0.000 title abstract 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005266 casting Methods 0.000 claims abstract description 29
- 230000003139 buffering effect Effects 0.000 claims abstract description 20
- 229910052786 argon Inorganic materials 0.000 claims abstract description 15
- 230000004907 flux Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 19
- 239000003818 cinder Substances 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 10
- 238000007670 refining Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 238000005520 cutting process Methods 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007711 solidification Methods 0.000 abstract description 5
- 230000008023 solidification Effects 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000013329 compounding Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229910001338 liquidmetal Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 206010053567 Coagulopathies Diseases 0.000 description 1
- 230000035602 clotting Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Abstract
Magnesium alloy strip continuous production equipment comprises a middle buffering ladle. The bottom of the middle buffering ladle is connected to a casting pipeline. The top of a constant temperature control segment of a crystallizer above a crystallizer solidification segment is connected to a second argon delivering pipeline and a protective flux delivering pipeline. The outlet of the casting pipeline extends into the cavity of the constant temperature control segment of the crystallizer. Below the crystallizer solidification segment, a strip surface anti-corrosion protection segment and a strip cooling and solidifying segment are connected. Densely arranged guide rollers are connected into the strip cooling and solidifying segment. Solidified strip blanks are delivered to a strip cutting and separating device via a pulling conveying roller and a straightening conveying roller. According to the process, molten magnesium alloy is delivered to a sealed protective compounding crystallizer to solidify and deliver downwardly through a pipeline, the solidified surface is processed for corrosion resistance, the magnesium alloy strip is pulled out continuously through a supporting and pulling roller, thin strip material is formed through subsequent straightening and cutting and separating, and production efficiency of the magnesium alloy strip can be improved.
Description
Technical field
The utility model relates to metallurgy industry magnesium alloy thin strip continuous casting technical field, is specifically related to a kind of magnesium alloy board continuous producing apparatus.
Background technology
Rolling casting technology is nearly end form metal sheet band continuous casting and rolling technique, be the casting roll of rotating be crystallizer, liquid metal is directly poured in the molten bath being surrounded by casting roll and side seal board, be used for producing the technology of metal sheet band.The technique of double-roller rolling metal sheet band, the feature of this technology is that metal freezing and rolling deformation carry out simultaneously, liquid metal bears pressure processing and plastic deformation in crystallization and freezing, completes in a short period of time all processes from liquid metal to solid-state strip.
Because the magnesium in magnesium alloy liquation is very active, the high temperature magnesium disparate metals that easily corrosion is in contact with it the material such as timber, in existing rolling casting technology, the lip that magnesium alloy liquation is transported to casting roll is subject to the erosion of magnesium alloy, work and with regard to corrosion-deformation, can not continue to use for several hours, need to spend the more time to remove the lip more renewing, greatly affected production efficiency, also increase production cost, restricted the development of magnesium industry.
Taking which type of process, promote the production efficiency of magnesium alloy board, is one of main direction of studying of insider.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of magnesium alloy board continuous producing apparatus, promotes the production efficiency of magnesium alloy board.
In order to achieve the above object, the technical scheme that the utility model is taked is:
A kind of magnesium alloy board continuous producing apparatus, comprise intermediate buffering bag 3, intermediate buffering bag 3 tops are connected with magnesium alloy refining liquation supply pipeline 1 and the first argon gas conveyance conduit 2, the side-lower of intermediate buffering bag 3 is connected with scarfing cinder pipeline 19, scarfing cinder pipeline 19 is connected with scarfing cinder tank 20, the below of intermediate buffering bag 3 is connected with casting pipeline 4
Crystallizer constant temperature control section 7 tops of the crystallizer section of solidifying 9 tops are connected with the second argon gas conveyance conduit 5 and protection flux delivery pipeline 6, crystallizer constant temperature control section 7 is connected with crystallizer constant temperature control finger device 8, 4 outlets of casting pipeline extend into crystallizer constant temperature control section 7 inner chambers, the strip surface anticorrosion protection section 10 of the crystallizer section of solidifying 9 belows is connected with strip cooled and solidified section 11, strip cooled and solidified section 11 is internally connected with solid matter guide roller 12, made-up belt 13 mobile alignments that solidify full solid matter guide roller 12 belows are provided with strip in vertical direction and draw and send conveying roller 14, strip is drawn and is sent the termination of conveying roller 14 to be provided with the aligning conveying roller 15 in horizontal direction, the strip blank 13 entirely solidifying draws and send conveying roller 14 through strip, after aligning conveying roller 15, deliver to strip and cut off separator 16, through strip, cut off after separator 16 is processed and form band rolling 18 and sheet material formation 17.
A technique for magnesium alloy board continuous producing apparatus, comprises the following steps:
The first step: leader tape draws by aligning conveying roller 15, strip and send conveying roller 14, solid matter guide roller 12 is counter delivers in the crystallizer section of solidifying 9, makes the inner chamber of crystallizer thermostatic control section 7, crystallizer constant temperature control finger device 8, the crystallizer section of solidifying 9 and the liquation " containing cup " that leader tape forms a bottom sealing;
Second step: the first argon gas conveyance conduit 2 passes into magnesium alloy liquation intermediate buffering bag 3 by argon gas, remove the air in empty bag, reduce after the gas of oxygen, nitrogen and reactive magnesium, buffers packet 3 between aerial is heated to the suitable temperature that retains of magnesium alloy liquation, and the magnesium alloy liquation that refining stage is obtained is transported to intermediate buffering bag 3 through magnesium alloy refining liquation supply pipeline 1;
The 3rd step: the constant temperature control finger device 8 of crystallizer thermostatic control section 7 starts heating, makes this secondary segment inwall arrive the casting of magnesium alloy liquation and controls temperature, and the second argon gas conveyance conduit 5 passes into argon gas, gets rid of the air retaining;
The 4th step: casting pipeline 4 is transported to 9 sections of crystallizer 7, the crystallizer sections of solidifying by the magnesium alloy liquation in intermediate buffering bag 3, fluid level control system by crystallizer thermostatic control section 7 tops is by level control to stable position, protection flux delivery pipeline 6 evenly sprays protection flux to mold liquid level top, increase the lubricant effect of strand and crystallizer inwall, magnesium alloy liquation and leader tape head contact portion are condensed, combine closely with leader tape, for the drop-down magnesium alloy solidification strip of leader tape provides condition;
The 5th step: 9 water flowings of the crystallizer section of solidifying are cooling, makes the magnesium alloy liquation and its inwall contact portion cooled and solidified that remain in this section form the base shell with certain tensile property, the protection gas of open plate belt surface anti-corrosion protection section 10;
The 6th step: startup strip is drawn and sent conveying roller 14, aligning conveying roller 15, the leader tape magnesium alloy made-up belt 13 that boning moves down along solid matter guide roller 12, when arriving strip cooled and solidified section 11, open direct cooling medium and strengthen solidifying of magnesium alloy made-up belt, made-up belt 13, through sending conveying roller 14 the crooked throughput direction that changes, is carried to subsequent handling through aligning conveying roller 15 alignings;
The 7th step: when leader tape head arrives strip cut-out separator 16 position, by leader tape and made-up belt 13 cutting and separating, put leader tape away, treat after repairing to open next time and water use;
The 8th step: when made-up belt 13 cuts off separator 16 position through strip, according to the operation requirement of lower continuous sheet material formation 17 or band rolling 18, scale cutting;
The 9th step: the reciprocal second to the 8th step is produced continuously;
The tenth step: when stopping watering, the pipeline 4 that stops casting injects magnesium alloy liquation to crystallizer thermostatic control section 7, slowly existing magnesium alloy liquation is completely solidified and is pulled out, and completes after rolling or cutting plate, and the whole strip direct casting stage finishes.
Direct casting through certain hour; the magnesium alloy liquation impurities accumulation of precipitation is below tundish; gather after certain altitude; impurity can enter crystallizer with liquation; at this moment need to be discharged in the scarfing cinder tank 20 of inert gas shielding by scarfing cinder pipeline 19Jiang lower floor impurity, to be cooledly solidify rear removing.
The feature of the utility model equipment and technique has:
1. adopt crystallizer inwall clotting method, strengthen the parking space of magnesium alloy liquation, strengthen cooler environment.
2. adopt the magnesium alloy liquation injected system of sealing isolation type, strengthen the easily intrusion of working substance such as isolation from oxygen, nitrogen and steam, improve casting security reliability.
3. adopt fractional crystallizaton device, realize respectively the functions such as thermostatic control, cooled and solidified, protective treatment, extend magnesium alloy liquation freezing range length, increase the reliability of direct casting.
4. the magnesium alloy liquation cavity volume of flowing through all has the removing protection of inert gas, magnesium alloy liquation enters after crystallizer thermostatic control section, upper surface adds protection flux, on upper arm surface, form one deck liquid protective film on the one hand, strengthening the unfavorable casting gases such as protection magnesium alloy liquation and oxygen contacts, can react with the impurity in magnesium alloy liquation, improve magnesium alloy purity, simultaneously because its fusing point is lower than magnesium alloy, liquation viscosity ratio magnesium alloy liquation is low, proportion is larger than magnesium alloy, can be filled in the constringency cleft between magnesium alloy solidification shell and crystallizer inwall, increase the greasy property between crystallizer inwall and magnesium ribbon base shell, reduce frictional force, condition is provided for magnesium ribbon is drop-down.
5. mold liquid level helps the control of the desirable liquid level of casting by fluid level control system, and crystallizer liquation stops highly and improves, and helps impurity floating, improves strip castability.
6. adopt withdrawing roll to control casting speed and dynamics, cut off separator realize direct casting in conjunction with strip, the certain width that formation 3～10mm is thick and the thin-band material of length, raise the efficiency, and increases adjusting measure.
Accompanying drawing explanation
Accompanying drawing is the utility model device structure schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
With reference to accompanying drawing, a kind of magnesium alloy board continuous producing apparatus, comprise intermediate buffering bag 3, intermediate buffering bag 3 tops are connected with magnesium alloy refining liquation supply pipeline 1 and the first argon gas conveyance conduit 2, the side-lower of intermediate buffering bag 3 is connected with scarfing cinder pipeline 19, scarfing cinder pipeline 19 is connected with scarfing cinder tank 20, and the below of intermediate buffering bag 3 is connected with casting pipeline 4
Crystallizer constant temperature control section 7 tops of the crystallizer section of solidifying 9 tops are connected with the second argon gas conveyance conduit 5 and protection flux delivery pipeline 6, crystallizer constant temperature control section 7 is connected with crystallizer constant temperature control finger device 8, 4 outlets of casting pipeline extend into crystallizer constant temperature control section 7 inner chambers, the strip surface anticorrosion protection section 10 of the crystallizer section of solidifying 9 belows is connected with strip cooled and solidified section 11, strip cooled and solidified section 11 is internally connected with solid matter guide roller 12, made-up belt 13 mobile alignments that solidify full solid matter guide roller 12 belows are provided with strip in vertical direction and draw and send conveying roller 14, strip is drawn and is sent the termination of conveying roller 14 to be provided with the aligning conveying roller 15 in horizontal direction, the strip blank 13 entirely solidifying draws and send conveying roller 14 through strip, after aligning conveying roller 15, deliver to strip and cut off separator 16, through strip, cut off after separator 16 is processed and form band rolling 18 and sheet material formation 17.
With reference to accompanying drawing, a kind of technique of magnesium alloy board continuous producing apparatus, comprises the following steps:
The first step: leader tape draws by aligning conveying roller 15, strip and send conveying roller 14, solid matter guide roller 12 is counter delivers in the crystallizer section of solidifying 9, makes the inner chamber of crystallizer thermostatic control section 7, crystallizer constant temperature control finger device 8, the crystallizer section of solidifying 9 and the liquation " containing cup " that leader tape forms a bottom sealing;
Second step: the first argon gas conveyance conduit 2 passes into magnesium alloy liquation intermediate buffering bag 3 by argon gas, remove the air in empty bag, reduce after the gas of oxygen, nitrogen and reactive magnesium, buffers packet 3 between aerial is heated to the suitable temperature that retains of magnesium alloy liquation, and the magnesium alloy liquation that refining stage is obtained is transported to intermediate buffering bag 3 through magnesium alloy refining liquation supply pipeline 1;
The 3rd step: the constant temperature control finger device 8 of crystallizer thermostatic control section 7 starts heating, makes this secondary segment inwall arrive the casting of magnesium alloy liquation and controls temperature, and the second argon gas conveyance conduit 5 passes into argon gas, gets rid of the air retaining;
The 4th step: casting pipeline 4 is transported to 9 sections of crystallizer 7, the crystallizer sections of solidifying by the magnesium alloy liquation in intermediate buffering bag 3, fluid level control system by crystallizer thermostatic control section 7 tops is by level control to stable position, protection flux delivery pipeline 6 evenly sprays protection flux to mold liquid level top, increase the lubricant effect of strand and crystallizer inwall, magnesium alloy liquation and leader tape head contact portion are condensed, combine closely with leader tape, for the drop-down magnesium alloy solidification strip of leader tape provides condition;
The 5th step: 9 water flowings of the crystallizer section of solidifying are cooling, makes the magnesium alloy liquation and its inwall contact portion cooled and solidified that remain in this section form the base shell with certain tensile property, the protection gas of open plate belt surface anti-corrosion protection section 10;
The 6th step: startup strip is drawn and sent conveying roller 14, aligning conveying roller 15, the leader tape magnesium alloy made-up belt 13 that boning moves down along solid matter guide roller 12, when arriving strip cooled and solidified section 11, open direct cooling medium and strengthen solidifying of magnesium alloy made-up belt, made-up belt 13, through sending conveying roller 14 the crooked throughput direction that changes, is carried to subsequent handling through aligning conveying roller 15 alignings;
The 7th step: when leader tape head arrives strip cut-out separator 16 position, by leader tape and made-up belt 13 cutting and separating, put leader tape away, treat after repairing to open next time and water use;
The 8th step: when made-up belt 13 cuts off separator 16 position through strip, according to the operation requirement of lower continuous sheet material formation 17 or band rolling 18, scale cutting;
The 9th step: the reciprocal second to the 8th step is produced continuously;
The tenth step: when stopping watering, the pipeline 4 that stops casting injects magnesium alloy liquation to crystallizer thermostatic control section 7, slowly existing magnesium alloy liquation is completely solidified and is pulled out, and completes after rolling or cutting plate, and the whole strip direct casting stage finishes.
Direct casting through certain hour; the magnesium alloy liquation impurities accumulation of precipitation is below tundish; gather after certain altitude; impurity can enter crystallizer with liquation; at this moment need to be discharged in the scarfing cinder tank 20 of inert gas shielding by scarfing cinder pipeline 19Jiang lower floor impurity, to be cooledly solidify rear removing.
Claims (1)
1. a magnesium alloy board continuous producing apparatus, comprise intermediate buffering bag (3), it is characterized in that: intermediate buffering bag (3) top is connected with magnesium alloy refining liquation supply pipeline (1) and the first argon gas conveyance conduit (2), the side-lower of intermediate buffering bag (3) is connected with scarfing cinder pipeline (19), scarfing cinder pipeline (19) is connected with scarfing cinder tank (20), the below of intermediate buffering bag (3) is connected with casting pipeline (4)
Crystallizer constant temperature control section (7) top of the crystallizer section of solidifying (9) top is connected with the second argon gas conveyance conduit (5) and protection flux delivery pipeline (6), crystallizer constant temperature control section (7) is connected with crystallizer constant temperature control finger device (8), casting pipeline (4) outlet extend into crystallizer constant temperature control section (7) inner chamber, the strip surface anticorrosion protection section (10) of the crystallizer section of solidifying (9) below is connected with strip cooled and solidified section (11), strip cooled and solidified section (11) is internally connected with solid matter guide roller (12), made-up belt (13) mobile alignment that solidify full solid matter guide roller (12) below is provided with strip in vertical direction and draws and send conveying roller (14), strip is drawn and is sent the termination of conveying roller (14) to be provided with the aligning conveying roller (15) in horizontal direction, the strip blank entirely solidifying (13) draws and send conveying roller (14) through strip, after aligning conveying roller (15), deliver to strip and cut off separator (16), through strip, cut off after separator (16) is processed and form band rolling (18) and sheet material formation (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132788.7U CN203791602U (en) | 2014-03-24 | 2014-03-24 | Magnesium alloy strip continuous production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132788.7U CN203791602U (en) | 2014-03-24 | 2014-03-24 | Magnesium alloy strip continuous production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203791602U true CN203791602U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420132788.7U Expired - Fee Related CN203791602U (en) | 2014-03-24 | 2014-03-24 | Magnesium alloy strip continuous production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203791602U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878348A (en) * | 2014-03-24 | 2014-06-25 | 中国重型机械研究院股份公司 | Magnesium alloy sheet belt continuous production device and technology |
| CN106825042A (en) * | 2016-12-30 | 2017-06-13 | 宁波大学 | A kind of continuous casting-cross wedge rolling forming method without material head shaft forgings |
-
2014
- 2014-03-24 CN CN201420132788.7U patent/CN203791602U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878348A (en) * | 2014-03-24 | 2014-06-25 | 中国重型机械研究院股份公司 | Magnesium alloy sheet belt continuous production device and technology |
| CN103878348B (en) * | 2014-03-24 | 2015-08-19 | 中国重型机械研究院股份公司 | A kind of magnesium alloy board continuous producing apparatus and technique |
| CN106825042A (en) * | 2016-12-30 | 2017-06-13 | 宁波大学 | A kind of continuous casting-cross wedge rolling forming method without material head shaft forgings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |