CN106480323B - A kind of up-drawing method is continuously segregated the device and its method of purification of purification refined aluminium - Google Patents
A kind of up-drawing method is continuously segregated the device and its method of purification of purification refined aluminium Download PDFInfo
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- CN106480323B CN106480323B CN201610943495.0A CN201610943495A CN106480323B CN 106480323 B CN106480323 B CN 106480323B CN 201610943495 A CN201610943495 A CN 201610943495A CN 106480323 B CN106480323 B CN 106480323B
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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
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- 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
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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
- 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
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Abstract
The present invention discloses the device and its method of purification that a kind of up-drawing method is continuously segregated purification refined aluminium, apparatus of the present invention include molten aluminum circulation-supplied system and refined aluminium molding machine, the molten aluminum circulation-supplied system includes tundish, molten aluminum supply furnace, liquid supply pipe and drain pipe, the molten aluminum supply furnace is connected to liquid supply pipe, the liquid supply pipe is connected to tundish, the tundish is connected to drain pipe, and refined aluminium molding machine is arranged right above the tundish.Apparatus of the present invention structure is simple, it is easy to use, refined aluminium purifying plant is set above the molten aluminum altogether tundish to system with crossing, refined aluminium purifying plant proposes refined aluminium using direction straight up, can save working space, and the method for vertical direction purification, make aluminium crystal in axis uniform force, guarantees that the aluminium quality proposed is stablized, device is stablized by control temperature and flow rate of aluminium liquid, make to form the environmental change of molten aluminum control in a certain range, facilitates 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 up-drawing method is continuously segregated purification refined aluminium
Method.
Background technique
Metal especially aluminium is purified using segregation method, is a kind of mature industrial chemical process.Scripture
Retrieval discovery is offered, there are many patents of invention that segregation method prepares rafifinal, and the 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 idler wheel crystal pulling apparatus are truly realized serialization segregation purification.
The entire purification process of this method is not necessarily to stirring system, greatly reduces the energy consumption of insulating process, the molten aluminum after purification is to rear
Continue production activity without influence, the flowing of molten aluminum liquid ensure that the stability of purification material composition, in the certain feelings of process conditions
It ensure that the uniformity of product composition, this method also reduce energy while greatly improving production efficiency under condition well
Consumption, directional solidification purifying technique are not influenced by atmosphere in purification furnace.But system need to be with production in the method implementation process
Live close fit, production process especially occur to have an impact to subsequent production activity when phenomena such as leakage or disconnected crystalline substance, together
When side direction type arrange occupied space, affect the universal of the technique, therefore research and develop a kind of up-drawing method and continuously be segregated and purify refined aluminium
Devices and methods therefor tool has very important significance.
Summary of the invention
The first object of the present invention is to provide the device that a kind of up-drawing method is continuously segregated purification refined aluminium.
The second object of the present invention is that the utilization up-drawing method for providing a kind of simple process is continuously segregated purification refined aluminium device
The method for purifying refined aluminium.
The first object of the present invention is achieved in that including molten aluminum circulation-supplied system and refined aluminium molding machine, described
Molten aluminum circulation-supplied system includes tundish, molten aluminum supply furnace, liquid supply pipe and drain pipe, and the molten aluminum supply furnace is connected to feed flow
Pipe, the liquid supply pipe are connected to tundish, and the tundish is connected to drain pipe, and setting refined aluminium forms dress right above the tundish
It sets.
The second object of the present invention, which is achieved in that, to be included the following steps：A preheating, B control flow rate of aluminium liquid, C control
Temperature processed is stable, D crystallisation by cooling,
A preheating
The electric heater for 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
Fire resisting blocking is opened, molten aluminum flows into tundish by filter plate, and adjusting flow control plug makes flow control in 2 ~ 4T/h,
It keeps stablizing to control molten aluminum in tundish；
C controls temperature and stablizes
By the temperature of temperature measurer measurement aluminum solutions, and 700 ~ 800 DEG C of the temperature by adjusting molten aluminum in molten aluminum supply furnace come
Adjust 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, while young brilliant insertion molten aluminum
Face hereinafter, guarantee that kish is inserted into 5 ~ 15cm of molten aluminum, etc. molten aluminums, young brilliant temperature field stablize after keep crystallizer position 15 ~
25min makes crystal pulling wheel with the uniform crystal pulling of the speed of 40 ~ 100mm/h, and quick crystal pulling makes aluminium after refined aluminium ingot is pulled to certain length
Crystal separates with molten aluminum or carries out online blanking by cutting on line machine.
Apparatus of the present invention structure is simple, easy to use, mentions with the setting refined aluminium above the molten aluminum altogether tundish to system is crossed
Pure device, refined aluminium purifying plant propose refined aluminium using direction straight up, can save working space, and vertical direction mentions
Pure method makes aluminium crystal in axis uniform force, guarantees that the aluminium quality proposed is stablized, device passes through control temperature and molten aluminum
Flow speed stability makes to form the environmental change of molten aluminum control in a certain range, facilitates the quality assurance of refined aluminium.
The method of the present invention is rear to guarantee molten aluminum flow and the stable operating method of temperature by first preheating, and makes the formation of refined aluminium
In a metastable range, side group forms the refined aluminium crystal of high quality, this operating method process is simple, and control is easy,
It ensure that the stability and high efficiency of refined aluminium purification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of apparatus of the present invention；
Fig. 2 is the working state schematic representation of apparatus of the present invention；
Fig. 3 is the flow diagram of the method for the present invention；
In figure, 1- tundish, 2- bracket, 3- crystal pulling wheel, 4- holding frame, 5- crystallizer, 6- molten aluminum supply furnace, 7- feed flow
Pipe, 8- filter plate, 9- temperature measurer, 10- graphite inner ring, 11- electric heater, 12- flow control plug, 13- drain pipe, 14- fire resisting are stifled
Plug, 15 crystalline solid.
Specific embodiment
The present invention will be further described below with reference to the drawings, but must not the present invention is limited in any way,
Based on present invention teach that made any changes and modifications, all belong to the scope of protection of the present invention.
As shown in Fig. 1 ~ 3, the present invention includes molten aluminum circulation-supplied system and refined aluminium molding machine, the molten aluminum circulation-supplied
System includes tundish 1, molten aluminum supply furnace 6, liquid supply pipe 7 and drain pipe 13, and the molten aluminum supply furnace 6 is connected to liquid supply pipe 7, institute
It states liquid supply pipe 7 and is connected to tundish 1, the tundish 1 is connected to drain pipe 7, refined aluminium molding machine is arranged right above the tundish.
The refined aluminium molding machine includes bracket 2, crystal pulling wheel 3, holding frame 4 and crystallizer 5, and the lower part of the bracket 2 is set
Crystallizer 5, top setting holding frame 4 are set, crystal pulling wheel 3 is set on the holding frame 4, the crystal pulling wheel 3 is hollow around what is formed
Part is arranged to form vertical crystal pulling channel with face above and below the hollow space of crystallizer 5.Crystal pulling is carried out on vertical direction, saves work
Make space, and improves aluminium crystal quality.
Graphite inner ring 10 is arranged in 5 lower part of crystallizer, and the lower end of graphite inner ring 10 is extended in 1 upper edge of tundish
Below.Guarantee smoothly to form aluminium ingot.
Filter plate 8 is set on the liquid supply pipe 7, filters the impurity in molten aluminum.
Flow control plug 12 is set on the drain pipe 13, controls the flow rate of aluminium liquid of the entire molten aluminum circulatory system.
The outlet setting fire resisting of the molten aluminum supply furnace 6 blocks 14.
The periphery of the tundish 1 can preheat tundish before work around setting electric heater 11.
The drain pipe 13 can supply casting, other stations for needing continuous molten aluminum or be recycled to molten aluminum supply furnace.
The method of the present invention includes the following steps：A preheating, B control flow rate of aluminium liquid, C control temperature stabilization, the cooling knot of D
Crystalline substance,
A preheating
The electric heater for 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
Fire resisting blocking is opened, molten aluminum flows into tundish by filter plate, and adjusting flow control plug makes flow control in 2 ~ 4T/h,
It keeps stablizing to control molten aluminum in tundish；
C controls temperature and stablizes
By the temperature of temperature measurer measurement aluminum solutions, and 700 ~ 800 DEG C of the temperature by adjusting molten aluminum in molten aluminum supply furnace come
Adjust 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, while young brilliant insertion molten aluminum
Face hereinafter, guarantee that kish is inserted into 5 ~ 15cm of molten aluminum, etc. molten aluminums, young brilliant temperature field stablize after keep crystallizer position 15 ~
25min makes crystal pulling wheel with the uniform crystal pulling of the speed of 40 ~ 100mm/h, and quick crystal pulling makes aluminium after refined aluminium ingot is pulled to certain length
Crystal separates with molten aluminum or carries out online blanking by cutting on line machine.
Specific embodiment
Embodiment 1：Electrolytic aluminium liquid purity 99.7%, temperature is 720 DEG C when molten aluminum flows through tundish, and molten aluminum is with the stream of 3T/h
Amount controls 40 DEG C of cooling water temperature of crystallizer by tundish, it is ensured that crystallizer graphite part is inserted into molten aluminum 10cm, stablizes knot
Brilliant device position keeps 20min, after crystal drawn with the rate of 80mm/h, quickly crystal pulling makes aluminium after aluminium crystal growth to certain length
Crystal separates the crystallization for completing the part with molten aluminum, and the purity through detecting aluminium can reach 99.9Al.
Embodiment 2：Electrolytic aluminium liquid purity 99.7%, temperature is 700 DEG C when molten aluminum flows through tundish, and molten aluminum is with the stream of 2T/h
Amount controls 20 DEG C of cooling water temperature of crystallizer by tundish, it is ensured that crystallizer graphite part is inserted into molten aluminum 15cm, stablizes knot
Brilliant device position keeps 25min, after crystal drawn with the rate of 40mm/h, quickly crystal pulling makes aluminium after aluminium crystal growth to certain length
Crystal separates the crystallization for completing the part with molten aluminum, and the purity through detecting aluminium can reach 99.95Al.
Embodiment 3：Electrolytic aluminium liquid purity 99.7%, temperature is 800 DEG C when molten aluminum flows through tundish, and molten aluminum is with the stream of 4T/h
Amount controls 20 DEG C of coolant water temperature of crystallizer by tundish, it is ensured that crystallizer graphite part is inserted into molten aluminum 5cm or so, stablizes
Crystallizer position keeps 15min, after crystal, quick crystal pulling after aluminium crystal growth to certain length drawn with the rate of 100mm/h
Aluminium crystal is set to separate the crystallization for completing the part with molten aluminum, the purity through detecting aluminium can reach 99.85Al.
Claims (2)
1. a kind of up-drawing method is continuously segregated the device of purification refined aluminium, it is characterized in that：Including molten aluminum circulation-supplied system and refined aluminium at
Type device, the molten aluminum circulation-supplied system includes tundish（1）, molten aluminum supply furnace（6）, liquid supply pipe（7）And drain pipe（13）,
The molten aluminum supplies furnace（6）Outlet setting fire resisting block（14）, molten aluminum supply furnace（6）Pass through liquid supply pipe（7）It is connected to tundish
（1）, liquid supply pipe（7）Upper setting filter plate（8）, tundish（1）It is connected to drain pipe（13）, drain pipe（13）Upper setting flow control
Plug（12）, the tundish（1）Refined aluminium molding machine, tundish is arranged in surface（1）Periphery around setting electric heater（11）,
Tundish（1）Inside setting temperature measurer（9）；The refined aluminium molding machine includes bracket（2）, crystal pulling wheel（3）, holding frame（4）With
Crystallizer（5）, the bracket（2）Lower part be arranged crystallizer（5）, top be arranged holding frame（4）, the holding frame（4）On set
Set crystal pulling wheel（3）, the crystal pulling wheel（3）Around the hollow space and crystallizer formed（5）Hollow space up and down face setting
Form vertical crystal pulling channel；The crystallizer（5）Graphite inner ring is arranged in lower part（10）, graphite inner ring（10）Lower end be extended
In tundish（1）Below upper edge.
2. a kind of method using claim 1 described device purification refined aluminium, it is characterized in that including A, preheating, B, control molten aluminum stream
Speed, C, control temperature are stablized, D, crystallisation by cooling, specially：
A, it preheats：The electric heater for opening tundish periphery carries out the preheating of tundish, stops after being preheated to 700 ~ 800 DEG C of temperature pre-
Heat；
B controls flow rate of aluminium liquid：Fire resisting blocking is opened, molten aluminum flows into tundish by filter plate, and adjusting flow control plug makes flow velocity control
System keeps stablizing in 2 ~ 4T/h to control molten aluminum in tundish；
C, control temperature is stablized：By the temperature of temperature measurer measurement aluminum solutions, and the temperature by adjusting molten aluminum in molten aluminum supply furnace
700 ~ 800 DEG C adjust 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, while young brilliant slotting
Enter liquid aluminum hereinafter, guaranteeing kish insertion 5 ~ 15cm of molten aluminum, etc. molten aluminums, young brilliant temperature field stablize after keep crystallizer position
15 ~ 25min makes crystal pulling wheel with the uniform crystal pulling of the speed of 40 ~ 100mm/h, and refined aluminium ingot is pulled to quick crystal pulling after certain length, makes
Aluminium crystal separates with molten aluminum 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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| 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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| CN106480323B true CN106480323B (en) | 2018-11-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108179284B (en) * | 2018-01-09 | 2020-05-19 | 昆明理工大学 | Method and device for continuously and efficiently preparing high-purity aluminum |
| CN113774231B (en) * | 2021-09-15 | 2022-10-18 | 武汉拓材科技有限公司 | Device for producing high-purity aluminum by using segregation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4221590A (en) * | 1978-12-26 | 1980-09-09 | Aluminum Company Of America | Fractional crystallization process |
| JP3370689B2 (en) * | 1991-10-31 | 2003-01-27 | 住友化学工業株式会社 | Aluminum purification method |
| CN101491825B (en) * | 2009-03-06 | 2011-02-02 | 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 |
| CN104004925B (en) * | 2014-06-11 | 2016-01-06 | 李霞 | A kind of rafifinal continuously purification 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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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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