CN103406520A - Consumable stirrer added device and method for producing large homogeneous electro-slag re-melting steel ingots - Google Patents
Consumable stirrer added device and method for producing large homogeneous electro-slag re-melting steel ingots Download PDFInfo
- Publication number
- CN103406520A CN103406520A CN2013103796511A CN201310379651A CN103406520A CN 103406520 A CN103406520 A CN 103406520A CN 2013103796511 A CN2013103796511 A CN 2013103796511A CN 201310379651 A CN201310379651 A CN 201310379651A CN 103406520 A CN103406520 A CN 103406520A
- Authority
- CN
- China
- Prior art keywords
- consumable
- crystallizer
- agitator
- steel ingot
- consutrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a consumable stirrer added device and method for producing large homogeneous electro-slag re-melting steel ingots. The device comprises a crystallizer, consumable electrodes, a cooling water circulation system, a lifting cross arm, an electronic control unit, a consumable electrode control unit and a consumable stirrer. The consumable stirrer comprises a stirring shaft and stirring blades which are fixedly connected onto the stirring shaft, and materials of the stirrer are identical to materials of the finally produced large homogeneous electro-slag re-melting steel ingot finished products. The stirring shaft is connected with an output shaft of a speed reducer through a coupling unit, the stirring blades are in sheet structures which thicken from the tops of the blades to the roots of the blades, the stirring blades are fixedly connected onto the stirring shaft in a single-layer multi-sheet mode, and the consumable stirring is controlled by the lifting cross arm to enter and exit the crystallizer. According to the device and the method, rotary flow of molten steel of the steel ingot solidification front is driven by the rotation of the consumable stirrer, so that primary dendrites of the solidification front are fractured to enter melts to form novel crystal nucleuses, the structure compactness is enhanced, and segregation of metal elements are restrained.
Description
Technical field
The present invention relates to the large-scale electroslag remelting steel ingot solidifying process of metallurgical industry technical field, be specifically related to the device and method that a kind of additional consumable agitator prepares large-scale homogeneous electroslag remelting steel ingot.
Background technology
Along with the fast development of power industry, nuclear industry and petro chemical industry, increasing to the demand of heavy casting and forging in recent years, also the quality requirements to heavy casting and forging is more and more higher simultaneously.Large-scale steel ingot is the product in advance of heavy casting and forging, and its quality is particularly important to improving the heavy casting and forging quality.In electroslag remelting crystalizer, the process of setting of steel ingot is typical directional solidification process, namely has a side heating and the cooling heat compensator conducting property of a side, and this directional solidification structure can be eliminated the defects such as the segregation of electroslag remelting steel ingot and shrinkage porosite substantially.But the process of setting of large-scale electroslag remelting steel ingot is very long, according to steel ingot tonnage difference, from tens hours to up to a hundred hours, do not wait, solute redistribution is abundant, cause low melting point, the low-density elements such as carbon, phosphorus in the solidification front enrichment, add other physical process, as the impact of thermosolutal convection etc., make steel ingot zones of different uneven chemical components, cause gross segregation and microsegregation; And in the process of whole cooled and solidified, due to the reason of expanding with heat and contract with cold, between steel ingot and crystallizer wall, can form air gap, the existence of air gap descends heat conductivility between steel ingot and crystallizer wall, the speed that steel ingot outwards conducts heat is affected, and makes crystallizer derive heat flow and reduces, and ingot solidification speed descends, along with the maximization of steel ingot, this phenomenon is more serious.Accelerating steel ingot cooling, suppress ingotism, is to enhance productivity, and improves the unique channel of ingot quality.
In steel ingot, the alloying element electroslag remelting initial stage is uniformly distributed in molten steel, but due to alloying element different solubility in solid liquid phase, add that the molten steel Effect of Nature Convection that temperature difference causes makes alloying elements usually after the earnest district's enrichment of molten steel is separated out and by row, moved on to gradually to solidification front, form gross segregation in conventional process of setting.The problems such as the segregation of large-scale electroslag remelting steel ingot and shrinkage porosite are the bottlenecks of high-end equipment quality such as restriction turbine rotor etc.Although field of metallurgy is obtaining certain progress aspect segregation formation mechanism recently both at home and abroad, as determining of segregation type, segregation position etc., but aspect the segregation control measure, making slow progress, almost do not having effective measures can suppress or eliminate the defects such as the inner gross segregation of large-scale steel ingot and shrinkage porosite.
Summary of the invention
Problem for prior art exists, the invention provides the device and method that a kind of additional consumable agitator prepares large-scale homogeneous electroslag remelting steel ingot.
Thought of the present invention is to change the type of flow of not coagulating molten steel in During Ingot Solidification, solves the alloying component macroscopic view, the microsegregation problem that in large-scale electroslag remelting steel ingot process of setting, produce.Based on Fu Laiming (M.C.Flemings, the america's MIT professor) principle that suppresses solidifying segregation is solidified in the stirring proposed, and the consumable agitator inserted after the large-scale steel ingot casting complete is low-temperature receiver, is again the power source that drives molten steel flow, can reduce the degree of superheat, and accelerate ingot solidification.Displacement by controlling the consumable agitator and rotary speed reach that steel ingot alloying component in process of setting homogenizes and the purpose of closely knit division center.
Technical scheme of the present invention is;
A kind of additional consumable agitator prepares the device of large-scale homogeneous electroslag remelting steel ingot, comprise crystallizer, consutrode, cooling water recirculation system, lifting transverse arm and electric control gear and consutrode control device, end water tank is fixed on operating platform, crystallizer is placed on the end water tank of cooling water recirculation system, be positioned in the main vertical rod of operating platform one side and connect the lifting transverse arm, electric control gear is fixed on the lifting transverse arm, described electric control gear comprises the control motor and speed reducer, controlling motor is fixed on the lifting transverse arm, the output of controlling motor connects the input of reductor, this device also comprises the consumable agitator,
Described consumable agitator comprises shaft and stirring vane, and stirring vane is fixedly connected on shaft, and the material of this agitator is identical with the material of the large-scale homogeneous electroslag remelting steel ingot finished product of finally preparing;
Described shaft is connected with speed reducer output shaft by hitch bar;
The laminated structure of described stirring vane for thickening gradually from vane tip to root of blade, and stirring vane adopts individual layer multi-disc mode to be fixedly connected on shaft;
The end that described lifting transverse arm is connected with main vertical rod is sliding end, and this sliding end inwall has some rollers, and roller drives sliding end and moves up and down along main vertical rod, controls consumable agitator turnover crystallizer.
Described consutrode is no less than two, and the rotating diameter of shaft is less than the electrode circle diameter of each consutrode.
Described consumable agitator is positioned at the crystallizer center, and the consumable agitator stirs and constantly melts and consume in crystallizer.
Described shaft is tapered from top to bottom.
The length of described shaft surpass consutrode length 1/3rd, and shaft stretches into the liquid metal bath bottom of crystallizer, the height to top is less than the utmost point heart radius of circle of each consutrode to stirring vane from root.
The device that adopts described additional consumable agitator to prepare large-scale homogeneous electroslag remelting steel ingot prepares the method for large-scale homogeneous electroslag remelting steel ingot, comprises the steps:
Step 1: cooling water is passed in crystallizer from end water tank inlet, then put into electrode slag charge or fritting slag charge in crystallizer;
Step 2: by conductive cross arm, consutrode is immersed in the slag bath of crystallizer and pass into heavy current and make comsumable melt, molten steel after consutrode dissolves drips by slag blanket and falls to the crystallizer bottom, the molten steel of accumulation forms metal bath gradually in the crystallizer bottom, then cooling by the crystallizer water-cooling wall and solidify gradually again, form steel ingot;
Step 3: when the radius of steel ingot height and crystallizer in crystallizer is suitable, controls the lifting transverse arm and the Self comsuming agitator is passed to slag bath from the space of crystallizer top through between consutrode put into liquid metal bath, and be placed in the center of crystallizer;
Step 4: control the consumable agitator and start Stirring, the linear velocity of consumable mixing arm rotation is suitable with the molten metal convection velocity of liquid metal bath;
Step 5: the consumable agitator follow liquid metal bath rising and on move, control the rotation of Electric Machine Control consumable agitator and gradually on move, the speed of moving on the consumable agitator is synchronizeed with steel ingot upwards solidifies bottom crystallizer speed;
Step 6: when on slag bath, moving to crystallizer top and comsumable melt and finishing, stop the consutrode energising, now by consutrode and consumable agitator remainder from crystallizer, shifting out, cooling water recirculation system continues operation.
Step 7: steel ingot is complete when cooling, closes cooling water recirculation system, namely completes the large-scale homogeneous steel ingot of preparation.
Beneficial effect:
The consumable agitator of apparatus of the present invention can be accelerated steel ingot Cooling Heat Transfer speed as low-temperature receiver, and shortens the ingot solidification time, and consumable agitator fusing simultaneously also is equivalent to increase molten speed; The material of this agitator is identical with the final finished steel ingot, and composition meets the requirements, so, after in consumable agitator whipping process, the oneself consumes fusing, is equivalent to adopt the closely knit large-scale steel ingot of qualified steel center structure, eliminates the defects such as loose; The rotational flow that rotarily drives ingot solidification forward position molten steel of consumable agitator, can make the primary dendrite fracture of solidification front, enters the new nucleus of formation in melt, and enhanced tissue compactness, suppress metallic element component segregation phenomenon.
The accompanying drawing explanation
Fig. 1 is the Self comsuming agitator structure schematic diagram of the specific embodiment of the invention, wherein, (a) be that stirring vane is the Self comsuming agitator structure schematic diagram of 2 chip board-type structures, (b) being that stirring vane is the Self comsuming agitator structure schematic diagram of 3 chip board-type structures, is (c) that stirring vane is the Self comsuming agitator structure schematic diagram of 4 chip board-type structures;
Fig. 2 is that the consumable agitator that utilizes of the specific embodiment of the invention prepares the apparatus structure schematic diagram of large-scale homogeneous electroslag remelting steel ingot, (a) be that the stirring vane of agitator is the Self comsuming agitating device structural representation of 2 chip board-type structures, (b) be that the stirring vane of agitator is the Self comsuming agitating device structural representation of 3 chip board-type structures, the stirring vane that is (c) agitator is the Self comsuming agitating device structural representation of 4 chip board-type structures;
Fig. 3 is the technical process schematic diagram that the Self comsuming agitator of the specific embodiment of the invention prepares large-scale homogeneous electroslag remelting steel ingot, wherein, (a) be the electroslag remelting starting stage just in slag, to insert the consutrode schematic diagram, (b) be when steel ingot height and crystallizer equal diameters, in liquid metal bath, insert consumable chamber agitator schematic diagram, (c) be that slag bath rises to the crystallizer top, being about to fetch the schematic diagram of consutrode and Self comsuming agitator, is (d) that electroslag remelting is treated steel ingot cooling schematic diagram fully latter stage;
Fig. 4 is the method flow diagram that the additional consumable agitator of the specific embodiment of the invention prepares large-scale homogeneous electroslag remelting steel ingot;
Wherein, 1-crystallizer, 2-consutrode, 3-crystallizer delivery port, 4-crystallizer water inlet, water tank at the bottom of 5-, water tank intake-outlet at the bottom of 6-, 7-speed reducer output shaft, the 8-ring flange, 9-shaft, 10-stirring vane, 11-slag bath, the 12-metal bath, 13-steel ingot, 14-crystallizer wall cooling water seam, 15-conductive cross arm, the 16-reductor, 17-controls motor, 18-lifting transverse arm, 19-clamper, the 20-hydraulic test, 21-master's vertical rod, the edge-on bar of 22-, 23-operating platform.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
The additional consumable agitator of present embodiment prepares the device of large-scale homogeneous electroslag remelting steel ingot, as shown in Fig. 2 (a) ~ (c), comprise crystallizer 1, consutrode 2, cooling water recirculation system, lifting transverse arm 18 and electric control gear, consutrode control device and consumable agitator.
The slag bath 11 of crystallizer 1 inside is contained with electrode slag charge or fritting slag charge, the state of metal bath 12 is liquid, in esr process, the molten steel of consutrode 2 fusings drips by slag bath 11 and falls to crystallizer 1 bottom, the molten steel accumulated gradually in crystallizer 1 bottom forms metal bath 12, then cooling by the crystallizer water-cooling wall and solidify gradually again, form this steel ingot 13.
The crystallizer water-cooling system comprises crystallizer wall cooling water seam 14, crystallizer water inlet 4, crystallizer delivery port 3 and end water tank 5, and end water tank 5 is provided with end water tank intake-outlet 6.
Electric control gear comprises controls motor 17 and reductor 16, controlling motor 17 is fixed on lifting transverse arm 18, the output of controlling motor 17 connects the input of reductor 16, and reductor 16 is be used to controlling the movement velocity of shaft 9, and the elevating movement of lifting transverse arm 18 is controlled by OPS.
Consutrode 2 is no less than two, and consutrode 2 be take crystallizer 1 center and is uniformly distributed ringwise as the center of circle, and the rotating diameter of shaft 9 is less than the electrode circle diameter that each consutrode 2 centers of circle, bottom surface form.
The consumable agitator comprises shaft 9 and stirring vane 10, and stirring vane 10 is fixedly connected on shaft 9, the material of this agitator is identical with the material of the large-scale homogeneous electroslag remelting steel ingot finished product of finally preparing, and composition meets the requirements, consumable agitator self is also in continuous consumption in the agitation of molten steel process.The consumable agitator is positioned at crystallizer 1 center, and the consumable agitator is in the interior stirring of crystallizer 1 and constantly melt and consume.
Because liquid metal bath in electroslag remelting is shallow, stirring vane should not be designed to multilayer or the inclination angle type is arranged, by the agitator that adopts straight plate type vane, stir in liquid metal bath, make the molten steel generation horizontally rotate mobile, the acceleration steel ingot is cooling, opens up flat melting pool shape, suppresses ingotism; Simultaneously, the loss of agitator self is equivalent to increase its burn-off rate.
Stirring vane 10 laminated structure for thickening gradually from vane tip to root of blade, and stirring vane 10 adopts individual layer multi-disc modes to be fixedly connected on shaft 9, and the number of blade can be 2 ~ 4.The material of stirring vane 10 and consumption are determined according to the total amount of heat of prepared large-scale homogeneous electroslag remelting steel ingot molten steel, namely after stirring end, stirring vane 10 are as far as possible all consumed.Stirring vane 10 is 20 ° ~ 70 ° with respect to the angle of inclination of shaft 9, and the cone angle of shaft 9 and the stirring vane 10 thickness angles of flare are 9 ° ~ 20 °.As shown in Figure 1, wherein, the stirring vane in (a) is 2 chip board-type structures, and the stirring vane in (b) is 3 chip board-type structures; (c) stirring vane in is 4 chip board-type structures; Shaft 9 is tapered from top to bottom, and shaft 9 is connected with speed reducer output shaft by hitch bar, and in present embodiment, hitch bar is ring flange 8, be used to connecting speed reducer output shaft 7 and shaft 9.
The length of shaft 9 surpass consutrode 2 length 1/3rd, and shaft 9 stretches into the liquid metal bath bottom of crystallizer 1, height to top is less than the utmost point heart radius of circle radius that each consutrode 2 centers of circle, bottom surface form to stirring vane 10 from root, and namely the rotating diameter of agitator should guarantee to pass in and out 2 central areas of staying of each consutrode; Stirring vane 10 length are suitable with shaft 9 tapering part sizes.
The end that lifting transverse arm 18 is connected with main vertical rod 21 is sliding end, and this sliding end inwall has some rollers, and roller drives sliding end and moves up and down along main vertical rod 21, controls consumable agitator turnover crystallizer 1.
The consutrode control device comprises hydraulic test 20, conductive cross arm 15 and clamper 19, as shown in Fig. 2 (a) ~ (c), one end of conductive cross arm 15 is connected with the edge-on bar 22 that is positioned at operating platform 23 1 sides, the other end of conductive cross arm 15 is equipped with clamper 19, the end be connected with edge-on bar 22 of conductive cross arm 15 is sliding end, this sliding end inwall has some rollers, clamper 19 clamping consutrodes 2; The roller of conductive cross arm 15 sliding ends drives this sliding end and moves up and down along edge-on bar 22.
Adopt described device to prepare the method for large-scale homogeneous electroslag remelting steel ingot, as shown in Figure 4, comprise the steps:
Step 1: cooling water is passed in crystallizer from end water tank inlet, then put into electrode slag charge or fritting slag charge in crystallizer;
Step 2: by conductive cross arm, consutrode is immersed in the slag bath of crystallizer and pass into heavy current and make comsumable melt, molten steel after consutrode dissolves drips by slag blanket and falls to the crystallizer bottom, the molten steel of accumulation forms metal bath gradually in the crystallizer bottom, then cooling by the crystallizer water-cooling wall and solidify gradually again, form steel ingot;
Step 3: when the radius of steel ingot height and crystallizer in crystallizer is suitable, controls the lifting transverse arm and the Self comsuming agitator is passed to slag bath from the space of crystallizer top through between consutrode put into liquid metal bath, and be placed in the center of crystallizer;
Step 4: control the consumable agitator and start Stirring, the linear velocity of consumable mixing arm rotation is suitable with the molten metal convection velocity of liquid metal bath;
Step 5: the consumable agitator follow liquid metal bath rising and on move, control the rotation of Electric Machine Control consumable agitator and gradually on move, the speed of moving on the consumable agitator is synchronizeed with steel ingot upwards solidifies bottom crystallizer speed;
Step 6: when on slag bath, moving to crystallizer top and comsumable melt and finishing, stop the consutrode energising, now by consutrode and consumable agitator remainder from crystallizer, shifting out, cooling water recirculation system continues operation.
Step 7: steel ingot is complete when cooling, closes cooling water recirculation system, namely completes the large-scale homogeneous steel ingot of preparation.
The process of the large-scale homogeneous electroslag remelting steel ingot of above-mentioned preparation is as shown in Fig. 3 (a) ~ (d), wherein, (a) the expression electroslag remelting starting stage is just inserted consutrode in electrode slag charge or fritting slag charge, while (b) meaning steel ingot height and crystallizer equal diameters, in liquid metal bath, insert the consumable agitator, (c) mean that slag bath rises to the crystallizer top, be about to fetch consutrode and consumable agitator, (d) the expression electroslag remelting treats that steel ingot is fully cooling latter stage.
Claims (6)
1. an additional consumable agitator prepares the device of large-scale homogeneous electroslag remelting steel ingot, comprise crystallizer, consutrode, cooling water recirculation system, lifting transverse arm and electric control gear and consutrode control device, end water tank is fixed on operating platform, crystallizer is placed on the end water tank of cooling water recirculation system, be positioned in the main vertical rod of operating platform one side and connect the lifting transverse arm, electric control gear is fixed on the lifting transverse arm, described electric control gear comprises the control motor and speed reducer, controlling motor is fixed on the lifting transverse arm, the output of controlling motor connects the input of reductor, it is characterized in that: also comprise the consumable agitator,
Described consumable agitator comprises shaft and stirring vane, and stirring vane is fixedly connected on shaft, and the material of this agitator is identical with the material of the large-scale homogeneous electroslag remelting steel ingot finished product of finally preparing;
Described shaft is connected with speed reducer output shaft by hitch bar;
The laminated structure of described stirring vane for thickening gradually from vane tip to root of blade, and stirring vane adopts individual layer multi-disc mode to be fixedly connected on shaft;
The end that described lifting transverse arm is connected with main vertical rod is sliding end, and this sliding end inwall has some rollers, and roller drives sliding end and moves up and down along main vertical rod, controls consumable agitator turnover crystallizer.
2. additional consumable agitator according to claim 1 prepares the device of large-scale homogeneous electroslag remelting steel ingot, it is characterized in that: the rotating diameter of described shaft is less than the electrode circle diameter that each center of circle, consutrode bottom surface forms.
3. additional consumable agitator according to claim 1 prepares the device of large-scale homogeneous electroslag remelting steel ingot, it is characterized in that: described consumable agitator is positioned at the crystallizer center, and the consumable agitator stirs and constantly melts and consume in crystallizer.
4. additional consumable agitator according to claim 1 prepares the device of large-scale homogeneous electroslag remelting steel ingot, and it is characterized in that: described shaft is tapered from top to bottom.
5. additional consumable agitator according to claim 1 prepares the device of large-scale homogeneous electroslag remelting steel ingot, it is characterized in that: the length of described shaft surpass consutrode length 1/3rd, and shaft stretches into the liquid metal bath bottom of crystallizer, the height to top is less than the utmost point heart radius of circle that each center of circle, consutrode bottom surface forms to stirring vane from root.
6. the device that adopts additional consumable agitator claimed in claim 1 to prepare large-scale homogeneous electroslag remelting steel ingot prepares the method for large-scale homogeneous electroslag remelting steel ingot, it is characterized in that: comprise the steps:
Step 1: cooling water is passed in crystallizer from end water tank inlet, then put into electrode slag charge or fritting slag charge in crystallizer;
Step 2: by conductive cross arm, consutrode is immersed in the slag bath of crystallizer and pass into heavy current and make comsumable melt, molten steel after consutrode dissolves drips by slag blanket and falls to the crystallizer bottom, the molten steel of accumulation forms metal bath gradually in the crystallizer bottom, then cooling by the crystallizer water-cooling wall and solidify gradually again, form steel ingot;
Step 3: when the radius of steel ingot height and crystallizer in crystallizer is suitable, controls the lifting transverse arm and the Self comsuming agitator is passed to slag bath from the space of crystallizer top through between consutrode put into liquid metal bath, and be placed in the center of crystallizer;
Step 4: control the consumable agitator and start Stirring, the linear velocity of consumable mixing arm rotation is suitable with the molten metal convection velocity of liquid metal bath;
Step 5: the consumable agitator follow liquid metal bath rising and on move, control the rotation of Electric Machine Control consumable agitator and gradually on move, the speed of moving on the consumable agitator is synchronizeed with steel ingot upwards solidifies bottom crystallizer speed;
Step 6: when on slag bath, moving to crystallizer top and comsumable melt and finishing, stop the consutrode energising, now by consutrode and consumable agitator remainder from crystallizer, shifting out, cooling water recirculation system continues operation;
Step 7: steel ingot is complete when cooling, closes cooling water recirculation system, namely completes the large-scale homogeneous steel ingot of preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379651.1A CN103406520B (en) | 2013-08-27 | 2013-08-27 | Device and method for producing large homogeneous electro-slag re-melting steel ingots added with consumable stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379651.1A CN103406520B (en) | 2013-08-27 | 2013-08-27 | Device and method for producing large homogeneous electro-slag re-melting steel ingots added with consumable stirrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103406520A true CN103406520A (en) | 2013-11-27 |
| CN103406520B CN103406520B (en) | 2015-06-03 |
Family
ID=49599587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310379651.1A Expired - Fee Related CN103406520B (en) | 2013-08-27 | 2013-08-27 | Device and method for producing large homogeneous electro-slag re-melting steel ingots added with consumable stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103406520B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866140A (en) * | 2014-03-26 | 2014-06-18 | 李霞 | Segregation-method continuous ingot casting device |
| CN109047685A (en) * | 2018-09-07 | 2018-12-21 | 乌克兰国家科学院E.O.巴顿电焊接研究所 | A method of preparing steel ingot |
| CN111673056A (en) * | 2020-07-30 | 2020-09-18 | 安徽工业大学 | Electroslag feeding method for improving crystallization quality of large steel ingot |
| CN111705220A (en) * | 2020-06-22 | 2020-09-25 | 北京钢研高纳科技股份有限公司 | Electric slag remelting equipment for ultra-long steel ingot |
| CN111774550A (en) * | 2020-07-30 | 2020-10-16 | 安徽工业大学 | Electroslag feeding device for improving crystallization quality of large steel ingot |
| CN113249585A (en) * | 2021-05-13 | 2021-08-13 | 东北大学 | Constant molten pool shape electroslag remelting method based on electrode rotation speed control |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2328454Y (en) * | 1997-08-09 | 1999-07-14 | 甘跃安 | Automatic slag adding machine |
| CN101235430A (en) * | 2008-02-29 | 2008-08-06 | 上海大学 | Impressed electric field pollution-free deoxygenation refining method and device for ladle furnace |
| CN101480715A (en) * | 2009-01-21 | 2009-07-15 | 东北大学 | Electroslag smelting casting device with additional electromagnetic stirring and method |
| TW201329411A (en) * | 2011-11-02 | 2013-07-16 | Diavac Ltd | Arc melting furnace device and arc melting method for material to be melted |
-
2013
- 2013-08-27 CN CN201310379651.1A patent/CN103406520B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2328454Y (en) * | 1997-08-09 | 1999-07-14 | 甘跃安 | Automatic slag adding machine |
| CN101235430A (en) * | 2008-02-29 | 2008-08-06 | 上海大学 | Impressed electric field pollution-free deoxygenation refining method and device for ladle furnace |
| CN101480715A (en) * | 2009-01-21 | 2009-07-15 | 东北大学 | Electroslag smelting casting device with additional electromagnetic stirring and method |
| TW201329411A (en) * | 2011-11-02 | 2013-07-16 | Diavac Ltd | Arc melting furnace device and arc melting method for material to be melted |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866140A (en) * | 2014-03-26 | 2014-06-18 | 李霞 | Segregation-method continuous ingot casting device |
| CN103866140B (en) * | 2014-03-26 | 2015-04-22 | 李霞 | Segregation-method continuous ingot casting device |
| CN109047685A (en) * | 2018-09-07 | 2018-12-21 | 乌克兰国家科学院E.O.巴顿电焊接研究所 | A method of preparing steel ingot |
| CN111705220A (en) * | 2020-06-22 | 2020-09-25 | 北京钢研高纳科技股份有限公司 | Electric slag remelting equipment for ultra-long steel ingot |
| CN111705220B (en) * | 2020-06-22 | 2022-06-17 | 北京钢研高纳科技股份有限公司 | Electric slag remelting equipment for ultra-long steel ingot |
| CN111673056A (en) * | 2020-07-30 | 2020-09-18 | 安徽工业大学 | Electroslag feeding method for improving crystallization quality of large steel ingot |
| CN111774550A (en) * | 2020-07-30 | 2020-10-16 | 安徽工业大学 | Electroslag feeding device for improving crystallization quality of large steel ingot |
| CN111774550B (en) * | 2020-07-30 | 2021-11-23 | 安徽工业大学 | Electroslag feeding device for improving crystallization quality of large steel ingot |
| CN113249585A (en) * | 2021-05-13 | 2021-08-13 | 东北大学 | Constant molten pool shape electroslag remelting method based on electrode rotation speed control |
| CN113249585B (en) * | 2021-05-13 | 2022-02-01 | 东北大学 | Constant molten pool shape electroslag remelting method based on electrode rotation speed control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103406520B (en) | 2015-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103406520B (en) | Device and method for producing large homogeneous electro-slag re-melting steel ingots added with consumable stirrer | |
| CN110280746B (en) | Method for single-source high-intensity ultrasonic-assisted casting of large-specification 2XXX series aluminum alloy round ingot | |
| CN102861902B (en) | Continuous preparation device for composite stirred semi-solid slurry | |
| CN101875105B (en) | Preparation method and device of semi-solid slurry | |
| CN105772654B (en) | Mushy stage metal stirring mixing method | |
| CN101660063B (en) | Device for preparing semi-solid alloy melt and process for preparing AlSi9Mg semi-solid alloy | |
| CN102806322B (en) | Device and method for preparing large-size homogeneous steel ingot by stirring with self-consuming stirrer | |
| CN105772663B (en) | A kind of coupled stir technology prepares the device and method of homogeneous ingot casting | |
| CN103436709B (en) | Device and method for preparing electroslag remelting ingot employing tubular electrode additional consumable blender | |
| CN102909322B (en) | Continuous production device for semisolid slurry | |
| CN107574322A (en) | A kind of method that electronic torch melting technology High Purity prepares nickel base superalloy | |
| CN105316488B (en) | The electroslag remelting device and its remelting method of a kind of high speed, low field trash | |
| CN202910263U (en) | Device capable of being used for continuously preparing semi-solid slurry | |
| CN105583385B (en) | A kind of device for continuously fast preparing of aluminum alloy wheel of vehicle semi solid slurry | |
| CN103586427B (en) | Quench mechanical agitation prepares method and the device of magnesium alloy liquid/semi-solid melt | |
| CN101596590B (en) | Method for inhibiting large steel ingot from macrosegregation by mechanical stirring | |
| CN113231611A (en) | Method for determining technological parameters of continuous casting steel strip feeding by low-superheat isothermal eutectic method | |
| CN102230098B (en) | Method for manufacturing AL-Si (Aluminum-Silicon) alloy | |
| CN101130207A (en) | Equipment for preparing semi-solid metal slurry and rheologic molding | |
| CN100574939C (en) | A kind of preparation of semi-solid alloy slurry and shaped device | |
| CN202945301U (en) | Cooling device of electroslag remelting crystallizer | |
| CN106890962A (en) | A kind of compound method and device for preparing semi solid slurry | |
| CN203508951U (en) | Wave taper-shaped centrifugal shearing and chilling device for preparing semi-solid state sizing agent | |
| CN203508952U (en) | Multi-roller stirring device for preparing semi-solid alloy sizing agent | |
| CN105478695A (en) | Multi-zone electromagnetic stirring device and method for continuous casting machine crystallizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150603 Termination date: 20150827 |
|
| EXPY | Termination of patent right or utility model |