CN102836971A - Electromagnetic stirring water-cooled mold and method for pouring steel ingot - Google Patents
Electromagnetic stirring water-cooled mold and method for pouring steel ingot Download PDFInfo
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- CN102836971A CN102836971A CN201210368790XA CN201210368790A CN102836971A CN 102836971 A CN102836971 A CN 102836971A CN 201210368790X A CN201210368790X A CN 201210368790XA CN 201210368790 A CN201210368790 A CN 201210368790A CN 102836971 A CN102836971 A CN 102836971A
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Abstract
The invention discloses an electromagnetic stirring water-cooled mold and a method for pouring a steel ingot, belonging to the field of steel and iron smelting. The electromagnetic stirring water-cooled mold consists of a base plate, an auxiliary plate, a mold body and a heat preservation cap, wherein the heat preservation cap is embedded and inserted into an upper port of the mold body; an annular gap of the upper port of the heat preservation cap is filled with filler sand; a heat insulating plate of the heat preservation cap is provided with a reinforcing hole; a cooling water jacket is arranged along the circumference of the mold body; the gap of the cavity of the jacket is increasingly expanded from bottom to top; and an electromagnetic stirrer is arranged along the circumference of the mold body. The method for pouring the steel ingot of the electromagnetic stirring water-cooled mold comprises the following steps of: filling casting powder at the bottom of the mold; opening a cooling water system; controlling pouring speed of molten steel of the ingot body to be (10-50) cm/min; when the liquid level rises to over 2/3 of the height, turning on the electromagnetic stirrer; and when the liquid level rises to the space above the reinforcing hole and below a hanger structure, stopping pouring. By using the device, the electromagnetic stirrer is turned on during pouring and crystallization of the molten steel, and the molten steel is dynamically crystallized into solid. Compared with the original technology, the equiaxed crystal ratio of the steel ingot is further improved, the stirring strength and the micro-adjustment stirring method are properly set according to different steel types, and an ideal equiaxed crystal ratio can be achieved; and a finished product of the steel ingot is uniform in composition and the grain is refined, so that the quality of the steel ingot is greatly improved.
Description
Technical field
The invention belongs to field of iron and steel smelting, the method for particularly a kind of electromagnetic agitation water cooled mo(u)ld and cast steel ingot.
Background technology
Application number is that 201210180527.8 novel steel ingot water-cooled is watered in injection molding and the method; Molten steel " static state " in die body crystallizes into solid (cooling moved in the slow cooling cover and cools off in 10-15 minute in die body); This method for crystallising of steel ingot makes the equiaxial crystal ratio of steel ingot lower; Center porosity and deviation are unavoidable, and this ingot quality can't be compared with electroslag remelting steel ingot.
Summary of the invention
To the problems referred to above, the invention provides the method for a kind of electromagnetic agitation water cooled mo(u)ld and cast steel ingot, let steel ingot crystallization under the state of " motion ", reasonably set stirring technique and make the center deviation be able to avoid with loosening, obtain desirable equiaxial crystal ratio.
Electromagnetic agitation water cooled mo(u)ld of the present invention by the chassis, attach dish, die body and hot top and constitute, attaches dish and being installed on the chassis; The die body seat is in attaching on the dish; The suitable for reading embedded grafting hot top of die body is filled with filler sand in the annular space suitable for reading of hot top, and the hot top heat-insulating shield is provided with reinforced hole.The inwall of said die body is the cylinder-like structure that top diameter is slightly less than lower diameter, and its ring is provided with cooling water jecket in week, and the gap of the cavity of this chuck is gradually big from the bottom to top, and the two ends of cooling water jecket are provided with gateway a, the b of cooling water; Ring week at die body is provided with magnetic stirrer.
As further improvement of the present invention, the die body inwall is that identical material is processed, and the thickness of the inwall that contacts with molten steel of die body is Bao Shanghou and increasing gradually down.
As further improvement of the present invention, the die body inwall is to be welded by several kinds of different materials of thermal conductivity, and the metal material thermal conductivity of the inner inwall that contacts with molten steel of die body diminishes from the bottom to top, wall thickness is Bao Shanghou and increase down gradually.
As further improvement of the present invention, the die body periphery is provided with a magnetic stirrer at least.
As further improvement of the present invention, magnetic stirrer is made up of electromagnetic inductor, water-cooling system and variable-frequency power sources.
As further improvement of the present invention, magnetic stirrer has an electromagnetic inductor at least.
As further improvement of the present invention, on die body, be fixed with supporting plate, on supporting plate, be provided with electromagnetic inductor, fix by fixed head between each electromagnetic inductor.
As further improvement of the present invention, die body is fixed on by clamp to be attached on the dish.
As further improvement of the present invention, the cooling water in the cooling water jecket is high-order water, and the JO water pressure is greater than 0.05MPa, and water quality is soft water.
The method that the electromagnetic agitation water cooled mo(u)ld that utilizes said apparatus to implement is poured into a mould steel ingot comprises the steps:
(1) puts into covering slag (0.5-1.5) kg/T at the bottom of the mould;
(2) open cooling water system, inspection confirms that die body JO hydraulic pressure is greater than 0.05MPa;
(3) superheat of liquid steel is controlled at (50-80) ℃ when cast, and ingot body molten steel poring rate was controlled at (10-50) cm/ minute, and cap mouth speed is less than the ingot body;
(4) when liquid level rises to the height more than 2/3, open magnetic stirrer (9);
(5) when liquid level rises to reinforced hole top and suspension member structure below, stop cast, on liquid level, put into heat preserving agent and exothermic mixture immediately and continue electromagnetic agitation;
(6) judge the solid solution stirring opening time, molten steel is removed annealing after all solidifying;
(7) magnetic stirrer (9) and cooling water system are closed after the demoulding.
Use this device, in the cast and crystallization process of molten steel, start magnetic stirrer, molten steel " dynamically " crystallizes into solid.Further improve than steel ingot equiaxial crystal ratio with former technology, suitably set stirring intensity and fine setting stirring means, can reach desirable equiaxial crystal ratio according to different steel grades; Its finished product uniform ingredients, thus grain refinement significantly improves ingot quality, can match in excellence or beauty with electroslag remelting steel ingot through the steel ingot that VD handles with this equipment cast.
Description of drawings
Fig. 1, Fig. 2, Fig. 3 are the structural representations of the different embodiment of electromagnetic agitation water cooled mo(u)ld of the present invention.
The specific embodiment
Electromagnetic agitation water cooled mo(u)ld of the present invention constitutes by attaching dish 1, die body 2 and hot top 3, and die body 2 is fixed on by clamp 7 to be attached on the dish 1, attaches dish 1 and is installed on the chassis 8.Only be provided with the one-level die body on the dish attaching; The suitable for reading embedded grafting hot top 3 of die body 2, the inwall of said die body 2 is cylinder-like structures that top diameter is slightly less than lower diameter, its ring is provided with cooling water jecket 4 week; The gap of this chuck body of wall is that the gap of 5-30mm and cavity is gradually big from the bottom to top; Cooling water in the cooling water jecket is high-order water, and the JO water pressure is greater than 0.05MPa, and water quality is soft water.And the two ends of cooling water jecket 4 are provided with gateway a, the b of cooling water.Ring week at die body 2 is glued with magnetic stirrer 9, and magnetic stirrer 9 can be as required, at die body 2 peripheral hardwares more than one.Described magnetic stirrer 9 is made up of electromagnetic inductor 10, water-cooling system and variable-frequency power sources.Magnetic stirrer 9 has an electromagnetic inductor 10 at least.
If magnetic stirrer is that more than one electromagnetic inductor 10 is arranged, then on die body 2, be fixed with supporting plate 11, on supporting plate 11, be provided with electromagnetic inductor 10,10 of each electromagnetic inductors are fixing by fixed head 12.
The matched in clearance suitable for reading of the cylinder of die body 2 is inserted hot top 3, is filled with filler sand in the annular space suitable for reading 5 of hot top 3, and hot top 3 heat-insulating shields are provided with reinforced hole 6.Hot top 3 is installed in the water cooled mo(u)ld upper end of this device, and it is an inner lining structure, and heat-insulating shield cooperates with die body tubular inwall, and its ring that is fixed is fixing with filler sand and die body upper end, and the sand block plate is welded in the die body upper surface.This novel water cooled mo(u)ld is provided with hot top, and the molten steel temperature drop of hot top is the slowest, has realized last " feeding ".
Die body 2 inwalls are that identical material is processed, and process like fine copper or ingot iron or mild steel etc., and the thickness of the inwall that contacts with molten steel of die body 2 are Bao Shanghou and increasing gradually down.
Die body 2 inwalls are to be welded by several kinds of different materials of thermal conductivity; Like fine copper, ingot iron and mild steel, and the metal material thermal conductivity of the inner inwalls that contact with molten steel of die body 2 diminish from the bottom to top (promptly from bottom to up successively by fine copper, ingot iron, mild steel).
Electromagnetic agitation water cooled mo(u)ld among Fig. 1 has been installed two magnetic stirrers; Wherein above for rotating excitation field be main agitator; For travelling-magnetic-field is auxiliary agitator when even composition (only use), every magnetic stirrer all is made up of two inductors, is fixed by supporting plate and clamp below.Stir linear velocity and be controlled at (0.05-0.6) m/s.
Molten steel attaches dish 1 and flows into water cooled mo(u)ld through the chassis 8 during cast, and cooling water is by importing and exporting turnover, and cooling water flow velocity in cavity is controlled at (5-10) m/s, highly then opens magnetic stirrer 9 more than 2/3 when molten steel rises to the ingot body, up to the molten steel solid that all congeals into.
The method that the electromagnetic agitation water cooled mo(u)ld that utilizes said apparatus to implement is poured into a mould steel ingot is to realize through following steps:
(1) at the bottom of mould, puts into covering slag (0.5-1.5) kg/T;
(2) open cooling water system, inspection confirms that whether outlet hydraulic pressure is greater than 0.05MPa;
(3) superheat of liquid steel is controlled at (50-80) ℃ when cast; Ingot body poring rate is controlled at (10-50) cm/min; Cap mouth speed when liquid level rises to the height more than 2/3, is opened magnetic stirrer (9) less than ingot body speed; If die body is provided with stirrings that then can hocket of many agitators, avoid inductor long and overheated owing to the duration of runs;
(4), liquid level then stops cast below rising to reinforced hole top and suspension member structure;
(5) consider that rotating excitation field is to facilitate rotatablely moving of the molten steel winding mold axon heart, the present invention to select rotating excitation field as the main magnetic field of stirring, travelling-magnetic-field is the magnetic field that molten steel is moved up and down, and the present invention stirs magnetic field with it as assisting; Only stirring alloy molten steel (particularly high alloy molten steel) and be just to use travelling-magnetic-field stirring molten steel (open the time of controlling well simultaneously in two kinds of magnetic fields) for evenly stirring molten steel component at the stirring initial stage;
(6) magnetic stirrer was proceeded after molten steel had watered, and all solidified the back up to molten steel and mentioned die body from top, and steel ingot is removed annealing.
MEMS is different in variable-frequency power sources among the present invention in the magnetic stirrer and the conticaster; The material of the frequency variation scope of variable-frequency power sources (setting of operating frequency excursion) considered cooling jacket inwall (inwall that water cooled mo(u)ld contacts with molten steel); Like red copper 3-15Hz, ingot iron or mild steel 30-50Hz.
The method of electromagnetic agitation water cooled mo(u)ld cast steel ingot of the present invention, utilize water-cooled to water injection molding and carry out following steps:
(1) at the bottom of mould, puts into covering slag;
(2) open cooling water system, inspection confirms that whether outlet hydraulic pressure is greater than 0.05MPa;
(3) superheat of liquid steel is controlled at (50-80) ℃ when cast; Ingot body poring rate is controlled at (10-50) cm/min; Cap mouth speed then stops cast less than the ingot body below liquid level rises to reinforced hole top and suspension member structure, on liquid level, put into heat preserving agent and exothermic mixture immediately;
(4) when liquid level rises to the height more than 2/3, open magnetic stirrer (9).With Fig. 1 is example; Open bottom magnetic stirrer 9 (2) earlier; This magnetic stirrer 9 (2) moves up and down molten steel, then opens top magnetic stirrer 9 (1) when molten steel again to water to the cap mouth, and this magnetic stirrer is a rotating excitation field; This is that two magnetic stirrers are opened simultaneously, stirs the evenly composition and the temperature of molten steel simultaneously; Will control well this moment the time, should be controlled in 1-3 minute scope, promptly cuts off bottom magnetic stirrer 9 (2) and only be stirred at last with the top magnetic stirrers 9 (1) of rotating excitation field, and molten steel has been realized under the state that moves, crystallizing into solid, and quality significantly improves;
(5) magnetic stirrer was proceeded after molten steel had watered, and all solidified the back up to molten steel and mentioned die body with top, and steel ingot is removed annealing;
(6) close magnetic stirrer and water cooling system after the demoulding.
As shown in Figure 2, steel ingot below 10 tons is poured into a mould typical mould steel H13 with a magnetic stirrer, and 10 tons of water water one.Molten steel is the H13 that handles through VD again through 10 tons of LF refining liquid steels.The selection molten stream runner on chassis is built by laying bricks or stones, and used material, specification requirement are equal to patent name and are: novel steel ingot water-cooled is watered injection molding and method, the patent No. is: 201210180527.8 technical literature.Attach at the bottom of the dish mould brick and inlay involutoryly with the chassis, hot top is installed with sharp name and is called: novel steel ingot water-cooled is watered injection molding and method, the patent No. is: 201210180527.8 technical literature, put into covering slag 0.5-1kg/T after the installation at the bottom of the mould; Open and water the preceding cooling water system of opening; Described water system is to be provided by elevated tank, and water quality is soft water, is to squeeze into elevated tank by the ground lift pump; Supply with water cooled mo(u)ld through pipeline, review and validate die body delivery port pressure greater than 0.05MPa.Molten steel is typical die steel H13, and the molten steel of the LF refining of handling through VD, opens to water temperature and be controlled at 1550 ℃, and ingot body speed controlling was watered about 10 minutes, and the cap mouth poured (pour and on liquid level, put into heat preserving agent and exothermic mixture) in 5 minutes.
When liquid level rises to the height more than 2/3, open magnetic stirrer 9.Should give big speed (the highest frequency) strong mixing this moment, and the synergy of being risen by electromagnetic agitation and liquid level can make the H13 composition further even, stops cast between reinforced hole 6 and the heat-insulating shield suspension member when liquid level rises to.Low velocity starts solid solution in good time and stirs up to molten steel and all solidify (the heat preserving agent state of observing hot top can be judged) in this moment electromagnetic agitation speed being adjusted downward to; About about 40 minutes; Magnetic stirrer stops, but water system then is given to die body always take off till.Die body is removed annealing from deviating from steel ingot.
Handling 16MnDR with the 50TLF refining liquid steel through VD below is example, and process implementing process of the present invention (16MnDR is a steel for low-temperature pressure container) is described:
As shown in Figure 3; Big shaped blooms (also being suitable for more than 50 tons) can be provided with 3 cover magnetic stirrers from top to bottom successively on die body, every agitator all is made up of two electromagnetic inductors; The die body supporting plate of burn-oning, electromagnetic inductor seat top links together with the binding of bolt with inductor.Two magnetic stirrers are that rotating excitation field, startup back molten steel rotatablely move up and down, and are middle for after the travelling-magnetic-field startup molten steel being moved up and down; Because solidifying, the 50T molten steel needs about about 1.5 hours in die body; Two magnetic stirrer 9 considered are opened one about design can influence whole die body molten steel; So that alternately open two agitators; And topmost one is satisfied the solid solution stirring condition, guarantees motion crystallization under the last solid solution condition.
This TV station die body internal diameter is ∮ 1600mm, height 3500mm, and die body chuck inwall bottom 1/2 highly is a fine copper, up 1/2 highly is ingot iron; The chuck outer wall is stainless steel (SUS304); The frequency-tuning range of electromagnetic inductor is with (3-16) Hz.
The selection on chassis 8, molten stream runner is built by laying bricks or stones, attaches dish brick build and the cap mouth is installed at the bottom of 1 mould, and cooling water is required with embodiment 3.
Open water before, put into covering slag (0.5-1) Kg/T (T is heavy for the molten steel that adds) at the bottom of the mould, molten steel is the 16MnDR50 ton, is the molten steel of after the LF essence, handling through VD again, opening and watering temperature is 1565 ℃; Poring rate stops liquid level and is positioned in the middle of fixing hole 6 and the suspension member structure for the ingot body adds cap mouth 30-35 minute speed (cap mouth teeming 5 minutes) in addition, puts into heat preserving agent and exothermic mixture at liquid level immediately after having watered.
Opening magnetic stirrer 9 (3) when magnetic stirrer liquid level in die body rises to the height more than 2/3 rotatablely moves molten steel; When all pouring 9 (2) and 9 (1) stirrings together of then following up; 9 (2) is travelling-magnetic-field, is that molten steel moves up and down, and 9 (1) also is rotating excitation field, is that molten steel rotatablely moves; (the participation stirring of travelling-magnetic-field is to make the molten steel component homogenising to note stirring particularly by 3 magnetic stirrers simultaneously after three agitators stir 1-2 minute jointly, to cut off 9 (2); The unsustainable time is oversize; Otherwise it is fast that cap mouth molten steel temperature drop is wanted, and makes feeding afterwards become undesirable).Only surplus 9 (1) and 9 (3) rotating excitation fields-this is that the main stirring magnetic field of electromagnetic agitation water cooled mo(u)ld is used alternatingly; Approximately need grow (about about 1.5 hours) because 50 tons of molten steel all crystallize into solid, can make whole ingot body not solidify molten steel all to stir so design the unlatching of 9 (1) and 9 (3) considered list.
Judge whether to start solid solution and stir and all solidify whether to move and confirm from top cap mouth heat preserving agent, if cap mouth top heat preserving agent for the first time motionless can start solid solution and stir, motionlessly more afterwards can the demoulding shift out steel ingot, steel ingot is removed annealing.Have only die body and ingot body to break away from fully just and can turn off the die body cooling water.
Claims (10)
1. electromagnetic agitation water cooled mo(u)ld; Be by chassis (8), attach dish (1), die body (2) and hot top (3) constitutes; Attach dish (1) and be installed on the chassis (8), die body (2) seat is in attaching on the dish (1) the suitable for reading embedded grafting hot top (3) of die body (2); Be filled with filler sand in the annular space suitable for reading (5) of hot top (3); Hot top (3) heat-insulating shield is provided with reinforced hole (6), and the inwall that it is characterized in that said die body (2) is the cylinder-like structure that top diameter is slightly less than lower diameter, and its ring is provided with cooling water jecket (4) week; The gap of the cavity of this chuck is gradually big from the bottom to top, and the two ends of cooling water jecket (4) are provided with gateway a, the b of cooling water; Be provided with magnetic stirrer (9) in the ring week of die body (2).
2. electromagnetic agitation water cooled mo(u)ld as claimed in claim 1 is characterized in that die body (2) inwall is that identical material is processed, and the thickness of the inwall that contacts with molten steel of die body (2) is Bao Shanghou and increasing gradually down.
3. electromagnetic agitation water cooled mo(u)ld as claimed in claim 1; It is characterized in that die body (2) inwall is to be welded by several kinds of different materials of thermal conductivity, and the metal material thermal conductivity of the inner inwall that contacts with molten steel of die body (2) diminishes from the bottom to top, wall thickness is Bao Shanghou and increase down gradually.
4. like claim 1 or 2 or 3 described electromagnetic agitation water cooled mo(u)lds, it is characterized in that die body (2) periphery is provided with a magnetic stirrer (9) at least, and wherein at least one satisfy molten steel and under solid solution condition, rotatablely move.
5. electromagnetic agitation water cooled mo(u)ld as claimed in claim 4 is characterized in that magnetic stirrer (9) is made up of electromagnetic inductor (10), water-cooling system and variable-frequency power sources.
6. electromagnetic agitation water cooled mo(u)ld as claimed in claim 5 is characterized in that magnetic stirrer (9) has an electromagnetic inductor (10) at least.
7. like claim 5 or 6 described electromagnetic agitation water cooled mo(u)lds, it is characterized in that on die body (2), being fixed with supporting plate (11), on supporting plate (11), be provided with electromagnetic inductor (10), fixing between each electromagnetic inductor (10) by fixed head (12).
8. electromagnetic agitation water cooled mo(u)ld as claimed in claim 1 is characterized in that die body (2) is fixed on by clamp (7) and attaches on the dish (1).
9. the method for electromagnetic agitation water cooled mo(u)ld cast steel ingot comprises the steps:
(1) puts into covering slag (0.5-1.5) kg/T at the bottom of the mould;
(2) open cooling water system, inspection confirms that die body JO hydraulic pressure is greater than 0.05MPa;
(3) superheat of liquid steel is controlled at (50-80) ℃ when cast, and ingot body molten steel poring rate was controlled at (10-50) cm/ minute, and cap mouth speed is less than the ingot body;
(4) when liquid level rises to the height more than 2/3, open magnetic stirrer (9);
(5) when liquid level rises to reinforced hole top and suspension member structure below, stop cast, on liquid level, put into heat preserving agent and exothermic mixture immediately and continue electromagnetic agitation;
(6) judge the solid solution stirring opening time, molten steel is removed annealing after all solidifying;
(7) magnetic stirrer (9) and cooling water system are closed after the demoulding.
10. the method for electromagnetic agitation water cooled mo(u)ld cast steel ingot as claimed in claim 9 is characterized in that cooling water is high-order water in the described cooling water jecket (4), and the JO water pressure is greater than 0.05MPa, and water quality is soft water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210368790.XA CN102836971B (en) | 2012-08-04 | 2012-09-27 | Electromagnetic stirring water-cooled mold and method for pouring steel ingot |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN201220384468.1 | 2012-08-04 | ||
| CN201220384468 | 2012-08-04 | ||
| CN201210368790.XA CN102836971B (en) | 2012-08-04 | 2012-09-27 | Electromagnetic stirring water-cooled mold and method for pouring steel ingot |
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| CN102836971A true CN102836971A (en) | 2012-12-26 |
| CN102836971B CN102836971B (en) | 2015-04-29 |
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| CN 201220500425 Withdrawn - After Issue CN202824559U (en) | 2012-08-04 | 2012-09-27 | Electromagnetic stirring water cooled steel ingot casting mold |
| CN201210368790.XA Expired - Fee Related CN102836971B (en) | 2012-08-04 | 2012-09-27 | Electromagnetic stirring water-cooled mold and method for pouring steel ingot |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226965A (en) * | 2013-06-19 | 2014-12-24 | 鞍钢股份有限公司 | Method and device for improving ingot solidification microstructure equiaxed crystal ratio |
| CN106141111A (en) * | 2015-03-31 | 2016-11-23 | 天工爱和特钢有限公司 | A kind of mould for producing anistree ingot |
| CN107570673A (en) * | 2017-10-19 | 2018-01-12 | 江西江钨浩运科技有限公司 | A kind of water cooling pours into a mould ingot mould |
| CN111590056A (en) * | 2020-05-22 | 2020-08-28 | 东方电气集团东方汽轮机有限公司 | Casting structure and casting method for directional solidification of high-temperature alloy |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202824559U (en) * | 2012-08-04 | 2013-03-27 | 孙柏良 | Electromagnetic stirring water cooled steel ingot casting mold |
| CN109482844A (en) * | 2019-01-02 | 2019-03-19 | 江苏大学 | Complex precise casting fine grain casting device and method |
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| CN202162351U (en) * | 2011-03-26 | 2012-03-14 | 潍坊亚东冶金设备有限公司 | Novel water-cooled pouring crystallizer |
| CN202824559U (en) * | 2012-08-04 | 2013-03-27 | 孙柏良 | Electromagnetic stirring water cooled steel ingot casting mold |
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- 2012-09-27 CN CN 201220500425 patent/CN202824559U/en not_active Withdrawn - After Issue
- 2012-09-27 CN CN201210368790.XA patent/CN102836971B/en not_active Expired - Fee Related
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| WO2004018128A2 (en) * | 2002-08-20 | 2004-03-04 | Abb Inc. | Cooling electromagnetic stirrers |
| CN1688401A (en) * | 2002-08-20 | 2005-10-26 | Abb公司 | Cooling electromagnetic stirrers |
| JP4061404B2 (en) * | 2003-04-09 | 2008-03-19 | 独立行政法人産業技術総合研究所 | Continuous casting method and apparatus for refinement of structure by electromagnetic vibration |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226965A (en) * | 2013-06-19 | 2014-12-24 | 鞍钢股份有限公司 | Method and device for improving ingot solidification microstructure equiaxed crystal ratio |
| CN104226965B (en) * | 2013-06-19 | 2016-12-28 | 鞍钢股份有限公司 | A kind of method and device improving ingot solidification tissue equiaxed zone ratio |
| CN106141111A (en) * | 2015-03-31 | 2016-11-23 | 天工爱和特钢有限公司 | A kind of mould for producing anistree ingot |
| CN107570673A (en) * | 2017-10-19 | 2018-01-12 | 江西江钨浩运科技有限公司 | A kind of water cooling pours into a mould ingot mould |
| CN111590056A (en) * | 2020-05-22 | 2020-08-28 | 东方电气集团东方汽轮机有限公司 | Casting structure and casting method for directional solidification of high-temperature alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202824559U (en) | 2013-03-27 |
| CN102836971B (en) | 2015-04-29 |
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