CN106480323A - A kind of continuous segregation of up-drawing method purifies device and its method for purification of refined aluminium - Google Patents
A kind of continuous segregation of up-drawing method purifies device and its method for purification of refined aluminium Download PDFInfo
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- CN106480323A CN106480323A CN201610943495.0A CN201610943495A CN106480323A CN 106480323 A CN106480323 A CN 106480323A CN 201610943495 A CN201610943495 A CN 201610943495A CN 106480323 A CN106480323 A CN 106480323A
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- aluminium
- tundish
- aluminium liquid
- refined
- liquid
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/145—Plants for continuous casting for upward casting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The present invention discloses device and its method for purification that a kind of continuous segregation of up-drawing method purifies refined aluminium, apparatus of the present invention include aluminium liquid circulation-supplied system and refined aluminium shaped device, described aluminium liquid circulation-supplied system includes tundish, aluminium liquid supply stove, feed pipe and discharging tube, described aluminium liquid supply stove connection feed pipe, described feed pipe connects tundish, described tundish connects discharging tube, and described tundish is arranged above refined aluminium shaped device.Apparatus of the present invention structure is simple, easy to use, refined aluminium purifying plant is set above aluminium liquid is altogether to the tundish of system with crossing, refined aluminium purifying plant proposes refined aluminium using direction straight up, can save work space, and the method for vertical direction purification, make aluminum crystal in axis uniform force it is ensured that the aluminium steady quality proposing, device passes through control temperature and flow rate of aluminium liquid is stable, so that the environmental change of formation aluminium liquid is controlled within the specific limits, contribute to the quality assurance of refined aluminium.
Description
Technical field
The invention belongs to metallurgical technology field, it is related to device and its purification side that a kind of continuous segregation of up-drawing method purifies refined aluminium
Method.
Background technology
Using segregation method, metal especially aluminum is purified, be a kind of ripe industrial chemical process.Scripture
Offer retrieval and find have multiple segregation methods to prepare the patent of invention of rafifinal, prior art has been realized in can be with continuous liquid supply
The liquid-supplying system of the production lines such as continuously casting, continuous casting and rolling, cooperation roller crystal pulling apparatus are truly realized serialization segregation purification.
The whole purification process of the method, without stirring system, greatly reduces the energy expenditure of insulating process, and the aluminium liquid after purification is to rear
Continuous production activity no affects, and the flowing of molten aluminum liquid ensure that the stability of purification material composition, in the certain feelings of process conditions
The uniformity of product composition is ensure that well, the method also reduces energy while greatly improving production efficiency under condition
Consumption, directional solidification purifying technique is not affected by atmosphere in purification furnace.But system need to be with production in the method implementation process
Live close fit, subsequent production activity may being had an impact during the phenomenon such as leakage or disconnected crystalline substance especially occurs in production process, with
When side direction type arrangement take up room, have impact on the popularization of this technique, therefore research and develop a kind of up-drawing method continuous segregation and purify refined aluminium
Devices and methods therefor tool has very important significance.
Content of the invention
The first object of the present invention is the device providing a kind of continuous segregation of up-drawing method to purify refined aluminium.
The second object of the present invention is to provide a kind of continuous segregation of utilization up-drawing method of process is simple to purify refined aluminium device
The method of purification refined aluminium.
The first object of the present invention is achieved in that including aluminium liquid circulation-supplied system and refined aluminium shaped device, described
Aluminium liquid circulation-supplied system includes tundish, aluminium liquid supply stove, feed pipe and discharging tube, described aluminium liquid supply stove connection feed flow
Pipe, described feed pipe connects tundish, and described tundish connects discharging tube, and described tundish is arranged above refined aluminium molding dress
Put.
The second object of the present invention is achieved in that and comprises the following steps：A preheating, B control flow rate of aluminium liquid, C control
Temperature stabilization processed, D crystallisation by cooling,
A preheats
The electric heater opening tundish periphery carries out the preheating of tundish, stops preheating after being preheated to 700 ~ 800 DEG C of temperature；
B controls flow rate of aluminium liquid
Open fire resisting blocking, aluminium liquid flows into tundish by filter plate, adjusting flow control plug makes flow speed control in 2 ~ 4T/h, thus
Aluminium liquid in tundish is controlled to keep stable；
C controls temperature stabilization
Measured the temperature of aluminum solutions by temperature measurer, and supply 700 ~ 800 DEG C of the temperature of aluminium liquid in stove to adjust by adjusting aluminium liquid
Temperature of aluminum liquid in tundish；
D crystallisation by cooling
After controlling temperature of aluminum liquid, crystallizer part is passed through cooling water, and water temperature is 20 ~ 50 DEG C, simultaneously young brilliant insertion liquid aluminum with
Down it is ensured that kish inserts aluminium liquid 5 ~ 15cm, holding crystallizer position 15 ~ 25min after stablizing etc. aluminium liquid, young crystalline substance temperature field,
Make crystal pulling wheel with the uniform crystal pulling of the speed of 40 ~ 100mm/h, refined aluminium ingot after being pulled to certain length quick crystal pulling make aluminum crystal with
Aluminium liquid separates or carries out online blanking by cutting on line machine.
Apparatus of the present invention structure is simple, easy to use, carries with crossing setting refined aluminium above aluminium liquid is altogether to the tundish of system
Pure device, refined aluminium purifying plant proposes refined aluminium using direction straight up, can save work space, and vertical direction carries
Pure method, makes aluminum crystal in axis uniform force it is ensured that the aluminium steady quality proposing, device is by controlling temperature and aluminium liquid
Flow speed stability, makes the environmental change of formation aluminium liquid control within the specific limits, contributes to the quality assurance of refined aluminium.
The inventive method is passed through first to preheat, and ensures the operational approach of aluminium liquid flow and temperature stabilization afterwards, makes the formation of refined aluminium
In a metastable scope, side group forms high-quality refined aluminium crystal, and this operational approach process is simple, controls easily,
Ensure that stability and the high efficiency of refined aluminium purification.
Brief description
Fig. 1 is the structural representation of apparatus of the present invention；
Fig. 2 is the working state schematic representation of apparatus of the present invention；
Fig. 3 is the schematic flow sheet of the inventive method；
In figure, 1- tundish, 2- support, 3- crystal pulling wheel, 4- holding frame, 5- crystallizer, 6- aluminium liquid supplies stove, 7- feed pipe, 8-
Screen plate, 9- temperature measurer, 10- graphite internal ring, 11- electric heater, 12- flow control plug, 13- discharging tube, 14- fire resisting blocks, and 15
Crystalline solid.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings, but must not by any way the present invention be any limitation as,
Based on present invention teach that any change of being made or improvement, belong to protection scope of the present invention.
As shown in Fig. 1 ~ 3, the present invention includes aluminium liquid circulation-supplied system and refined aluminium shaped device, described aluminium liquid circulation-supplied
System includes tundish 1, aluminium liquid supply stove 6, feed pipe 7 and discharging tube 13, described aluminium liquid supply stove 6 connection feed pipe 7, institute
State feed pipe 7 connection tundish 1, described tundish 1 connects discharging tube 7, and described tundish is arranged above refined aluminium shaped device.
Described refined aluminium shaped device includes support 2, crystal pulling wheel 3, holding frame 4 and crystallizer 5, and the bottom of described support 2 sets
Put crystallizer 5, top setting holding frame 4, described holding frame 4 arranges crystal pulling wheel 3, described crystal pulling wheel 3 is around the hollow being formed
Part just forms vertical crystal pulling passage to setting up and down with the hollow space of crystallizer 5.Crystal pulling is carried out on vertical direction, saves work
Make space, and improve aluminum crystal mass.
Described crystallizer 5 bottom arranges graphite internal ring 10, and the lower end of graphite internal ring 10 is extended in tundish 1 upper edge
Below.Guarantee smoothly to be formed aluminium ingot.
Screen plate 8 is arranged on described feed pipe 7, filters the impurity in aluminium liquid.
Flow control plug 12 is arranged on described discharging tube 13, controls the flow rate of aluminium liquid of whole aluminium liquid blood circulation.
Described aluminium liquid supplies the outlet setting fire resisting blocking 14 of stove 6.
The periphery of described tundish 1, around setting electric heater 11, can preheat to tundish before work.
Described discharging tube 13 can supply casting, the station of the continuous aluminium liquid of other needs or be recycled to aluminium liquid supply stove.
The inventive method comprises the following steps：A preheating, B control flow rate of aluminium liquid, C to control temperature stabilization, D cooling knot
Crystalline substance,
A preheats
The electric heater opening tundish periphery carries out the preheating of tundish, stops preheating after being preheated to 700 ~ 800 DEG C of temperature；
B controls flow rate of aluminium liquid
Open fire resisting blocking, aluminium liquid flows into tundish by filter plate, adjusting flow control plug makes flow speed control in 2 ~ 4T/h, thus
Aluminium liquid in tundish is controlled to keep stable；
C controls temperature stabilization
Measured the temperature of aluminum solutions by temperature measurer, and supply 700 ~ 800 DEG C of the temperature of aluminium liquid in stove to adjust by adjusting aluminium liquid
Temperature of aluminum liquid in tundish；
D crystallisation by cooling
After controlling temperature of aluminum liquid, crystallizer part is passed through cooling water, and water temperature is 20 ~ 50 DEG C, simultaneously young brilliant insertion liquid aluminum with
Down it is ensured that kish inserts aluminium liquid 5 ~ 15cm, holding crystallizer position 15 ~ 25min after stablizing etc. aluminium liquid, young crystalline substance temperature field,
Make crystal pulling wheel with the uniform crystal pulling of the speed of 40 ~ 100mm/h, refined aluminium ingot after being pulled to certain length quick crystal pulling make aluminum crystal with
Aluminium liquid separates or carries out online blanking by cutting on line machine.
Specific embodiment
Embodiment 1：Electrolytic aluminium liquid purity 99.7%, aluminium liquid flows through temperature during tundish and is 720 DEG C, and aluminium liquid is with the stream of 3T/h
Amount passes through tundish, controls 40 DEG C of the cooling water temperature of crystallizer it is ensured that crystallizer graphite part insertion aluminium liquid 10cm, stablizes and tie
Brilliant device position keeps 20min, after crystal is drawn with the speed of 80mm/h, quick crystal pulling after aluminum crystal growth to certain length makes aluminum
Crystal separates the crystallization completing this part with aluminium liquid, and the purity of aluminum can reach 99.9Al after testing.
Embodiment 2：Electrolytic aluminium liquid purity 99.7%, aluminium liquid flows through temperature during tundish and is 700 DEG C, and aluminium liquid is with the stream of 2T/h
Amount passes through tundish, controls 20 DEG C of the cooling water temperature of crystallizer it is ensured that crystallizer graphite part insertion aluminium liquid 15cm, stablizes and tie
Brilliant device position keeps 25min, after crystal is drawn with the speed of 40mm/h, quick crystal pulling after aluminum crystal growth to certain length makes aluminum
Crystal separates the crystallization completing this part with aluminium liquid, and the purity of aluminum can reach 99.95Al after testing.
Embodiment 3：Electrolytic aluminium liquid purity 99.7%, aluminium liquid flows through temperature during tundish and is 800 DEG C, and aluminium liquid is with the stream of 4T/h
Amount passes through tundish, controls 20 DEG C of the coolant water temperature of crystallizer it is ensured that crystallizer graphite part insertion aluminium liquid 5cm, stable
Crystallizer position keeps 15min, after crystal, quick crystal pulling after aluminum crystal growth to certain length are drawn with the speed of 100mm/h
Aluminum crystal is made to separate the crystallization completing this part with aluminium liquid, the purity of aluminum can reach 99.85Al after testing.
Claims (9)
1. a kind of continuous segregation of up-drawing method purifies the device of refined aluminium, it is characterized in that：Become with refined aluminium including aluminium liquid circulation-supplied system
Type device, described aluminium liquid circulation-supplied system includes tundish（1）, aluminium liquid supply stove（6）, feed pipe（7）And discharging tube（13）,
Described aluminium liquid supplies stove（6）Connection feed pipe（7）, described feed pipe（7）Connection tundish（1）, described tundish（1）Connection row
Liquid pipe（7）, described tundish（1）It is arranged above refined aluminium shaped device.
2. the continuous segregation of up-drawing method according to claim 1 purifies the device of refined aluminium, it is characterized in that：Described refined aluminium molding dress
Put including support（2）, crystal pulling wheel（3）, holding frame（4）And crystallizer（5）, described support（2）Bottom setting crystallizer（5）、
Top arranges holding frame（4）, described holding frame（4）Upper setting crystal pulling wheel（3）, described crystal pulling wheel（3）Around the hollow bulb being formed
Divide and crystallizer（5）Hollow space up and down just to setting formed vertical crystal pulling passage.
3. the continuous segregation of up-drawing method according to claim 2 purifies the device of refined aluminium, it is characterized in that：Described crystallizer（5）
Bottom arranges graphite internal ring（10）, graphite internal ring（10）Lower end be extended in tundish（1）Below upper edge.
4. the continuous segregation of up-drawing method according to claim 1 purifies the device of refined aluminium, it is characterized in that：Described feed pipe（7）
Upper setting screen plate（8）.
5. the continuous segregation of up-drawing method according to claim 1 purifies the device of refined aluminium, it is characterized in that：Described discharging tube（13）
Upper setting flow control plug（12）.
6. the continuous segregation of up-drawing method according to claim 1 purifies the device of refined aluminium, it is characterized in that：Described aluminium liquid supplies stove
（6）Outlet setting fire resisting blocking（14）.
7. the continuous segregation of up-drawing method according to claim 1 purifies the device of refined aluminium, it is characterized in that：Described tundish（1）
Periphery around setting electric heater（11）.
8. the continuous segregation of the up-drawing method according to claim 1 or 7 purifies the device of refined aluminium, it is characterized in that：Described tundish
（1）Internal setting temperature measurer（9）.
9. the method that the device described in a kind of utilization claim 1 purifies refined aluminium, is characterized in that comprising the following steps：A preheating, B
Flow rate of aluminium liquid, C is controlled to control temperature stabilization, D crystallisation by cooling,
A preheats
The electric heater opening tundish periphery carries out the preheating of tundish, stops preheating after being preheated to 700 ~ 800 DEG C of temperature；
B controls flow rate of aluminium liquid
Open fire resisting blocking, aluminium liquid flows into tundish by filter plate, adjusting flow control plug makes flow speed control in 2 ~ 4T/h, thus
Aluminium liquid in tundish is controlled to keep stable；
C controls temperature stabilization
Measured the temperature of aluminum solutions by temperature measurer, and supply 700 ~ 800 DEG C of the temperature of aluminium liquid in stove to adjust by adjusting aluminium liquid
Temperature of aluminum liquid in tundish；
D crystallisation by cooling
After controlling temperature of aluminum liquid, crystallizer part is passed through cooling water, and water temperature is 20 ~ 50 DEG C, simultaneously young brilliant insertion liquid aluminum with
Down it is ensured that kish inserts aluminium liquid 5 ~ 15cm, holding crystallizer position 15 ~ 25min after stablizing etc. aluminium liquid, young crystalline substance temperature field,
Make crystal pulling wheel with the uniform crystal pulling of the speed of 40 ~ 100mm/h, refined aluminium ingot after being pulled to certain length quick crystal pulling make aluminum crystal with
Aluminium liquid separates or carries out online blanking by cutting on line machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610943495.0A CN106480323B (en) | 2016-11-02 | 2016-11-02 | A kind of up-drawing method is continuously segregated the device and its method of purification of purification refined aluminium |
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|---|---|---|---|
| CN201610943495.0A CN106480323B (en) | 2016-11-02 | 2016-11-02 | A kind of up-drawing method is continuously segregated the device and its method of purification of purification refined aluminium |
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| CN106480323A true CN106480323A (en) | 2017-03-08 |
| CN106480323B CN106480323B (en) | 2018-11-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179284A (en) * | 2018-01-09 | 2018-06-19 | 昆明理工大学 | A kind of continuous high-efficient prepares the method and its device of rafifinal |
| CN113774231A (en) * | 2021-09-15 | 2021-12-10 | 武汉拓材科技有限公司 | Device for producing high-purity aluminum by using segregation method |
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| US4221590A (en) * | 1978-12-26 | 1980-09-09 | Aluminum Company Of America | Fractional crystallization process |
| JPH05125462A (en) * | 1991-10-31 | 1993-05-21 | Sumitomo Chem Co Ltd | Method for refining aluminum |
| CN101491825A (en) * | 2009-03-06 | 2009-07-29 | 江苏大学 | High-purify upper oxygen-free copper rod production method |
| CN201728346U (en) * | 2010-01-18 | 2011-02-02 | 福建三钢闽光股份有限公司 | Variable-slag-line control device of slab continuous casting submerged nozzle |
| CN104004925A (en) * | 2014-06-11 | 2014-08-27 | 李霞 | High-purity aluminum continuous purifying device |
| CN205629352U (en) * | 2016-02-02 | 2016-10-12 | 浙江信和科技股份有限公司 | Electromagnetic induction heating device of package in middle of brazing filler metal casting |
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2016
- 2016-11-02 CN CN201610943495.0A patent/CN106480323B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4221590A (en) * | 1978-12-26 | 1980-09-09 | Aluminum Company Of America | Fractional crystallization process |
| JPH05125462A (en) * | 1991-10-31 | 1993-05-21 | Sumitomo Chem Co Ltd | Method for refining aluminum |
| CN101491825A (en) * | 2009-03-06 | 2009-07-29 | 江苏大学 | High-purify upper oxygen-free copper rod production method |
| CN201728346U (en) * | 2010-01-18 | 2011-02-02 | 福建三钢闽光股份有限公司 | Variable-slag-line control device of slab continuous casting submerged nozzle |
| CN104004925A (en) * | 2014-06-11 | 2014-08-27 | 李霞 | High-purity aluminum continuous purifying device |
| CN205629352U (en) * | 2016-02-02 | 2016-10-12 | 浙江信和科技股份有限公司 | Electromagnetic induction heating device of package in middle of brazing filler metal casting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179284A (en) * | 2018-01-09 | 2018-06-19 | 昆明理工大学 | A kind of continuous high-efficient prepares the method and its device of rafifinal |
| CN113774231A (en) * | 2021-09-15 | 2021-12-10 | 武汉拓材科技有限公司 | Device for producing high-purity aluminum by using segregation method |
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| CN106480323B (en) | 2018-11-27 |
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Address after: 650031 No. 86 Yuantong North Road, Yunnan, Kunming Patentee after: Kunming Metallurgical Research Institute Co., Ltd Address before: 650031 No. 86 Yuantong North Road, Yunnan, Kunming Patentee before: Kunming Metallurgical Research Institute |
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