CN201150980Y - Composite crystallizer device for continuous casting of titanium-nickel alloy - Google Patents
Composite crystallizer device for continuous casting of titanium-nickel alloy Download PDFInfo
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- CN201150980Y CN201150980Y CNU200820054547XU CN200820054547U CN201150980Y CN 201150980 Y CN201150980 Y CN 201150980Y CN U200820054547X U CNU200820054547X U CN U200820054547XU CN 200820054547 U CN200820054547 U CN 200820054547U CN 201150980 Y CN201150980 Y CN 201150980Y
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Abstract
The utility model relates to a composite crystallizer for continuously casting titanium nickel alloy, belonging to the technical field of metallurgy metal continuous casing devices. The composite crystallizer of the utility model comprises a cooling water jacket, a water cooling copper wall, a graphite crystallizer casing, a sealing ring, a sealing ring gland, a cooling water inlet and an outlet, a crystallizer fire-resistant lining, a water-proof baffle, a casting blank and a crucible of alloy melt and melting alloy. The utility model is characterized by combining the cooling of the water cooling copper wall with the induction heating, and a stable temperature gradient filed is formed in the graphite crystallizer, a position which is most suitable for titanium nickel solid and liquid interface is determined in the crystallizer fire-resistant lining in order to be beneficial for the solidification formation of titanium nickel alloy. The crystallizer fire-resistant lining adopted in the utility model can not react with the titanium nickel alloy, thereby not being contaminated in order to guarantee the quality of the casting blank.
Description
Technical field
The utility model relates to a kind of Ti-Ni alloy continuous casting compound crystal apparatus, belongs to metallurgical metal continuous cast equipment technical field.
Background technology
Ti-Ni alloy is because its good performance, as good shape memory and super-elasticity, reasonable mechanical performance and well corrosion resistance and biocompatibility, more and more widely be applied to every field.Because the chemical property of Ti-Ni alloy vivaciously at high temperature is difficult to melting and moulding with most refractory material reaction, produces Ti-Ni alloy at present both at home and abroad and adopt die casting-peeling-rolling mostly.Ingot casting after the die casting must be removed its rising head and top layer defective part, so the loss of metal is big, and process loaded down with trivial details, the cost of the Ti-Ni alloy of Zeng Jiaing greatly, replacing die casting by continuous casting is an emphasis of current Ti-Ni alloy research.
Continuous casting is that utilization is solidified control technology and made the liquid metal condensation in the casting mold become given shape, solidifies earlier near the metal of mo(U)ld face, and the centre is still liquid state, breaks away from casting mold while rely on the effect foundry goods of draw-gear to solidify.The continuous casting technology mainly is made of two parts, melting and shaping.The melting of Ti-Ni alloy is used water jacketed copper crucible or special refractory crucible at the present stage electromagnetic induction that adopt more.The forming process of continuous casting is mainly finished in crystallizer.
Crystallizer is the core component of continuous casting system, and its effect is to be formed with definite shape, and the continuous casting billet shell of certain intensity is arranged.As the continuous cast mold of Ti-Ni alloy, because the self-characteristic of Ti-Ni alloy must satisfy following requirement: (1) Ti-Ni alloy of at high temperature getting along well reacts.(2) when continuous casting, keep vacuum or protective gas atmosphere (3) to guarantee certain cooling velocity, and solidification zone remain on a stable position.Use the crystallizer in other alloy continuous castings mostly to be the metallic copper water mold now, metal liquid directly contacts with the crystallizer copper wall when work, and cooling velocity is exceedingly fast, the production efficiency height, but because heat conduction is too fast, the surface such as very easily cracks at defective, influences the quality of continuous casting billet.
Summary of the invention
The purpose of this utility model is to propose a kind of Ti-Ni alloy continuous casting compound crystal apparatus, makes it to satisfy under the situation of eddy-current heating the needs of Ti-Ni alloy continuous casting, and a temperature gradient field stably can be provided, and determines the position of solid liquid interface.
A kind of Ti-Ni alloy continuous casting compound crystal apparatus of the utility model, include: cooling jacket, water-cooled copper wall, graphite crystallizer overcoat, sealing ring, the sealing ring gland, cooling water outlet and inlet, crystallizer refractory lining, the water proof baffle plate, the heat induced coil, strand, the crucible of alloy melt and fusion alloy; It is characterized in that: crystallizer is made up of graphite crystallizer overcoat and crystallizer refractory lining; The crystallizer arranged outside has around its cooling jacket all around, and the internal perisporium of cooling jacket is provided with the water-cooled copper wall; Water-cooled copper wall and graphite crystallizer overcoat closely link into an integrated entity; The crystallizer refractory lining is positioned at the upper position of graphite crystallizer overcoat, and near the eddy-current heating district below the heat induced coil, forms a stable hot junction; The bottom of its overcoat of graphite crystallization closely is connected contact with the inboard water-cooled copper wall of cooling jacket, forms a cold junction in the bottom of graphite crystallizer overcoat; Make and form a stable temperature gradient field in the whole graphite crystallizer space; Alloy melt is contained in the crucible of fusion alloy, is provided with the heat induced coil around the crucible; The lower end of the copper wall part of crystallizer bottom has notch and is placed with the Wilson seal circle, and is compressed the sealing ring gland of sealing ring; Constitute a movable sealing system when making dummy bar drawing strand like this; Bottom at cooling jacket is provided with cooling water outlet and inlet; At the annular space of cooling jacket, vertically be symmetrical arranged half high water proof baffle plate, the top of two half spaces is interconnected about cooling jacket.Make cooling water by the cooling water outlet and inlet cooling that circulates.
Crystallizer refractory lining in the described graphite crystallizer overcoat is by the special refractory that does not conform to the Ti-Ni alloy reaction, promptly with CeS, and Y
2O
3, CaO or BN are that the special cermacis of main component is made.
Characteristics of the present utility model and advantage are as follows:
The utility model Ti-Ni alloy continuous casting satisfies the needs of Ti-Ni alloy continuous casting with the compound crystal apparatus, and a stable temperature gradient field can be provided; And can guarantee the appropriate location of Ti-Ni alloy solid liquid interface in refractory lining by the position and the length of regulating graphite crystallizer overcoat and crystallizer refractory lining.In addition, the utility model compound crystal apparatus, its refractory lining can not react with Ti-Ni alloy, can guarantee the quality of alloy.This set composite can also provide the thermograde of a mild cooling velocity, helps the coagulation forming of Ti-Ni alloy.
Description of drawings
Fig. 1 is the structural representation of the utility model compound crystal apparatus.
Fig. 2 is the cross sectional plan view of Fig. 1 along the A-A line.
The specific embodiment
After now specific embodiment of the utility model being described in.
Referring to Fig. 1 and Fig. 2, Ti-Ni alloy continuous casting compound crystal apparatus includes: cooling jacket (1), water-cooled copper wall (2), graphite crystallizer overcoat (3), sealing ring (4), sealing ring gland (5), cooling water outlet and inlet (6), crystallizer refractory lining (7), water proof baffle plate (8), heat induced coil (9), strand (10), the crucible (12) of alloy melt (11) and fusion alloy; It is characterized in that: crystallizer is made up of graphite crystallizer overcoat (3) and crystallizer refractory lining (7); The crystallizer arranged outside has around its cooling jacket (1) all around, and the internal perisporium of cooling jacket (1) is provided with water-cooled copper wall (2); Water-cooled copper wall (2) closely links into an integrated entity with graphite crystallizer overcoat (3); Crystallizer refractory lining (7) is positioned at the upper position of graphite crystallizer overcoat (3), and near the eddy-current heating district below the heat induced coil (9), forms a stable hot junction; The bottom of its overcoat of graphite crystallization (3) closely is connected contact with the inboard water-cooled copper wall (2) of cooling jacket (1), forms a cold junction in the bottom of graphite crystallizer overcoat (3); Make and form a stable temperature gradient field in the whole graphite crystallizer space; Alloy melt (11) is contained in the crucible (12) of fusion alloy, and crucible (12) is provided with heat induced coil (9) all around; The lower end of copper wall (2) part of crystallizer bottom has notch and is placed with Wilson seal circle (4), and is compressed the sealing ring gland (5) of sealing ring; Constitute a movable sealing system when making dummy bar drawing strand like this; Be provided with cooling water outlet and inlet (6) in the bottom of cooling jacket (1); Annular space in cooling jacket (1) vertically is symmetrical arranged half high water proof baffle plate (8), and the top of two half spaces is interconnected about cooling jacket (1).Make cooling water pass through cooling water outlet and inlet (6) cooling that circulates.
Crystallizer refractory material in the graphite crystallizer overcoat (3) adopts Y
2O
3For the special cermacis of main component is made.
In the present embodiment, adopt a concrete size of part as follows:
Crystallizer cooling jacket external diameter is 100mm, and height is 110mm, and the internal diameter of crystallizer internal upper part water-cooled copper wall is 20mm; Graphite crystallizer cover length is 110mm, and wherein lower end 70mm closely links to each other with the water-cooled copper wall; Crystallizer refractory lining length is 80mm, and its lower end 60mm closely links to each other with the graphite crystallizer cover, and the upper end links to each other with crucible.
Technological parameter is as follows: under argon shield atmosphere; medium frequency induction heater insulation power output is 8kw; the Ti-Ni alloy melt temperature is 1400 ℃; the dummy bar position is following 40mm place in the thermal treatment zone; the hauling speed of dummy bar is 8mm/min; cooling water temperature is a room temperature, and the diameter of the titanium nickel continuous casting rod base of pulling out is 10mm.
Claims (2)
1, a kind of Ti-Ni alloy continuous casting compound crystal apparatus includes: cooling jacket (1), water-cooled copper wall (2), graphite crystallizer overcoat (3), sealing ring (4), sealing ring gland (5), cooling water outlet and inlet (6), crystallizer refractory lining (7), water proof baffle plate (8), heat induced coil (9), strand (10), the crucible (12) of alloy melt (11) and fusion alloy; It is characterized in that: crystallizer is made up of graphite crystallizer overcoat (3) and crystallizer refractory lining (7); The crystallizer arranged outside has around its cooling jacket (1) all around, and the internal perisporium of cooling jacket (1) is provided with water-cooled copper wall (2); Water-cooled copper wall (2) closely links into an integrated entity with graphite crystallizer overcoat (3); Crystallizer refractory lining (7) is positioned at the upper position of graphite crystallizer overcoat (3), and near the eddy-current heating district below the heat induced coil (9), forms a stable hot junction; The bottom of its overcoat of graphite crystallization (3) closely is connected contact with the inboard water-cooled copper wall (2) of cooling jacket (1), forms a cold junction in the bottom of graphite crystallizer overcoat (3); Make and form a stable temperature gradient field in the whole graphite crystallizer space; Alloy melt (11) is contained in the crucible (12) of fusion alloy, and crucible (12) is provided with heat induced coil (9) all around; The lower end of copper wall (2) part of crystallizer bottom has notch and is placed with Wilson seal circle (4), and is compressed the sealing ring gland (5) of sealing ring; Constitute a movable sealing system when making dummy bar drawing strand like this; Be provided with cooling water outlet and inlet (6) in the bottom of cooling jacket (1); Annular space in cooling jacket (1) vertically is symmetrical arranged half high water proof baffle plate (8), and the top of two half spaces is interconnected about cooling jacket (1), makes cooling water pass through cooling water outlet and inlet (6) cooling that circulates.
2, a kind of Ti-Ni alloy continuous casting compound crystal apparatus shown in claim 1 is characterized in that the crystallizer refractory lining (7) in the described graphite crystallizer overcoat (3) is by the special refractory that does not conform to the Ti-Ni alloy reaction, promptly with CeS, and Y
2O
3, CaO or BN are that the special cermacis of main component is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820054547XU CN201150980Y (en) | 2008-01-08 | 2008-01-08 | Composite crystallizer device for continuous casting of titanium-nickel alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820054547XU CN201150980Y (en) | 2008-01-08 | 2008-01-08 | Composite crystallizer device for continuous casting of titanium-nickel alloy |
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| Publication Number | Publication Date |
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| CN201150980Y true CN201150980Y (en) | 2008-11-19 |
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|---|---|---|---|
| CNU200820054547XU Expired - Fee Related CN201150980Y (en) | 2008-01-08 | 2008-01-08 | Composite crystallizer device for continuous casting of titanium-nickel alloy |
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| CN (1) | CN201150980Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527972A (en) * | 2012-03-22 | 2012-07-04 | 吴建中 | High-vacuum secondary feeding precise continuous casting device |
| CN102641999A (en) * | 2012-04-24 | 2012-08-22 | 王东 | Device and method for continuously preparing bulk amorphous alloy ingots |
| CN103028710A (en) * | 2012-12-26 | 2013-04-10 | 西南铝业（集团）有限责任公司 | Aluminum alloy ingot hot-top multi-die casting device and insulation structure thereof |
| CN103510152A (en) * | 2013-09-29 | 2014-01-15 | 哈尔滨工业大学 | Peritectic alloy-like analogue directional solidification crystallizer suitable for working under function of current |
| CN104858379A (en) * | 2015-06-03 | 2015-08-26 | 北京科技大学 | Gradient temperature casting mold casting method |
| CN106694857A (en) * | 2016-12-31 | 2017-05-24 | 西安交通大学青岛研究院 | Vacuum casting method for cast TiAl intermetallic compound ingot |
| CN109556401A (en) * | 2018-11-16 | 2019-04-02 | 江苏斯力康科技有限公司 | A kind of orientation drawing discharging formula vacuum melting furnace |
| CN110102747A (en) * | 2019-06-06 | 2019-08-09 | 汕头华兴冶金设备股份有限公司 | It is granulated casting machine |
| CN113385650A (en) * | 2021-06-10 | 2021-09-14 | 河南理工大学 | Vacuum vertical continuous casting machine for high-temperature metal and alloy |
| CN115283631A (en) * | 2022-09-01 | 2022-11-04 | 一重集团大连工程技术有限公司 | Insulated feeder head device and control method thereof |
-
2008
- 2008-01-08 CN CNU200820054547XU patent/CN201150980Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527972A (en) * | 2012-03-22 | 2012-07-04 | 吴建中 | High-vacuum secondary feeding precise continuous casting device |
| CN102641999A (en) * | 2012-04-24 | 2012-08-22 | 王东 | Device and method for continuously preparing bulk amorphous alloy ingots |
| CN103028710B (en) * | 2012-12-26 | 2015-11-25 | 西南铝业（集团）有限责任公司 | A kind of aluminium alloy cast ingot hot-top multi casting device and insulation construction thereof |
| CN103028710A (en) * | 2012-12-26 | 2013-04-10 | 西南铝业（集团）有限责任公司 | Aluminum alloy ingot hot-top multi-die casting device and insulation structure thereof |
| CN103510152B (en) * | 2013-09-29 | 2016-02-17 | 哈尔滨工业大学 | One is applicable to galvanic action lower class Peritectic Alloy stand-in directional solidification crystallizer |
| CN103510152A (en) * | 2013-09-29 | 2014-01-15 | 哈尔滨工业大学 | Peritectic alloy-like analogue directional solidification crystallizer suitable for working under function of current |
| CN104858379A (en) * | 2015-06-03 | 2015-08-26 | 北京科技大学 | Gradient temperature casting mold casting method |
| CN106694857A (en) * | 2016-12-31 | 2017-05-24 | 西安交通大学青岛研究院 | Vacuum casting method for cast TiAl intermetallic compound ingot |
| CN106694857B (en) * | 2016-12-31 | 2018-08-10 | 西安交通大学青岛研究院 | A kind of vacuum casting method of TiAl intermetallic compound ingot casting |
| CN109556401A (en) * | 2018-11-16 | 2019-04-02 | 江苏斯力康科技有限公司 | A kind of orientation drawing discharging formula vacuum melting furnace |
| CN110102747A (en) * | 2019-06-06 | 2019-08-09 | 汕头华兴冶金设备股份有限公司 | It is granulated casting machine |
| CN113385650A (en) * | 2021-06-10 | 2021-09-14 | 河南理工大学 | Vacuum vertical continuous casting machine for high-temperature metal and alloy |
| CN113385650B (en) * | 2021-06-10 | 2022-12-30 | 河南理工大学 | Vacuum vertical continuous casting machine for high-temperature metal and alloy |
| CN115283631A (en) * | 2022-09-01 | 2022-11-04 | 一重集团大连工程技术有限公司 | Insulated feeder head device and control method thereof |
| CN115283631B (en) * | 2022-09-01 | 2023-08-01 | 一重集团大连工程技术有限公司 | Thermal insulation riser device and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 Termination date: 20110108 |