CN204430223U - The continuous casting production equipment of surface coverage elastomeric material steel and conticaster - Google Patents
The continuous casting production equipment of surface coverage elastomeric material steel and conticaster Download PDFInfo
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- CN204430223U CN204430223U CN201420818290.6U CN201420818290U CN204430223U CN 204430223 U CN204430223 U CN 204430223U CN 201420818290 U CN201420818290 U CN 201420818290U CN 204430223 U CN204430223 U CN 204430223U
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Abstract
The utility model provides a kind of continuous casting production equipment and conticaster of surface coverage elastomeric material steel.This continuous casting production equipment comprises for making molten steel lower the temperature and the leptoprosopy crystallizer solidified, the input unit inputting wide elastomeric material strip to this leptoprosopy crystallizer for continuous, the slag trap that contacts with the top of the slag for isolated wide elastomeric material strip.This equipment is easy to the steel grade realizing integrated high-efficiency production surface characteristic material; Principle and structure simply, are convenient to safeguard, are invested little, are easy to realize; Level of integrated system is high; Product quality can be improved, improve prouctiveness, yield rate is high; Novelty to import surface characteristic material in continuous casting production process, do not cause pollution and the waste of the material in additional processing process, resource.
Description
Technical field
The utility model belongs to metallurgical continuous casting field, relates to a kind of continuous casting production equipment and conticaster, particularly a kind of continuous casting production equipment of surface coverage elastomeric material steel and conticaster.
Background technology
Molten steel solidification is used to form two kinds of methods: traditional die casting and To Continuous Casting Under.Developing rapidly of continuous casting technology is a very noticeable trend of contemporary development of iron & steel industry, why continuous casting develops rapidly, mainly it has larger Technological Economy superiority, be mainly manifested in the following aspects: simplify production process, because continuous casting can save breaking down cogging operation, not only save the energy consumption of soaking pit heating, and shortened from molten steel to the cycle time becoming base; Improve the recovery rate of metal, adopt ingot mould casting to be approximately 84 ~ 88% from molten steel to becoming the recovery rate of base, and continuous casting is about 95 ~ 96%, therefore adopts continuous casting process can save metal 7 ~ 12%, this is an appreciable numeral; Save energy ezpenditure, according to interrelated data introduction, producing that 1 ton of continuous casting billet economizes than die casting cogging can 627 ~ 1046KJ, is equivalent to 21.4 ~ 35.7kg standard coal, adds the energy consumption that raising lumber recovery saves and is greater than 100kg standard coal.By the current energy consumption level measuring and calculating of China, continuous casting billet synthesis energy saving per ton is about 130kg standard coal; Improve working conditions, easily be automated, mechanization and the automaticity of continuous casting are higher, and casting process realizes computer controlled automatic, and operator is freed from the manual labor of heaviness.In recent years, along with the development of science and technology, the raising of automatization level, electronic computer also for the control that continuous casting is produced, except watering steel open casting operation, is all controlled by computer; Slab quality is good, and because continuous casting cooling velocity is fast, continuously, throwing, casting condition are controlled, stable, and therefore casting blank inner organization evenly, densification, reduced in segregation, performance also stablize.
Along with the development of material industry and the progress of material science, in recent years, steel and iron industry, in order to extend industrial chain, covers high-end applications market to tackle the competition of flourish nonferrous metal property, has carried out a large amount of input and research and development in surface characteristic manufacture of materials field.So-called surface characteristic material refers to the performance deficiency existed to overcome iron and steel contact interface, covers one deck special material to make up targetedly at steel material surface.This material as required, can be Ti, Cu, Al etc.And according to the covering process of surface characteristic material, the kinds of processes such as Coating, composite rolling can be divided into again.
At present, for composite rolling, the basic technology of production composite plate can be divided into surface preparation-cold rolling or method hot rolling-heat treatment three phases, and external advanced country also all adopts this technique.Surface preparation adopts first erosion to wash usually, and with scratch brushing, object removes surface film oxide, greasy dirt and dirty etc., obtains clean surface.Heat treatment or diffusion annealing are the diffusions in order to strengthen faying face atom, and compound node is grown up, and increase actual compound area, improve bond strength, with the satisfied performance requirement continuing processing or use.Owing to being faced with many limiting elements such as composite material surface pre-cleaning, very low in lumber recovery, productivity ratio.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is the continuous casting production equipment and the conticaster that provide a kind of surface coverage elastomeric material steel.Elastomeric material can import by this continuous casting production equipment in continuous casting production process, and as two surfaces of crystallizer, molten steel solidifies gradually on elastomeric material surface, forms the continuous casting steel billet that surface is elastomeric material.The continuous casting steel billet obtained is through rolling deformation, and final formation surface has the steel product of characteristic functions.This continuous casting system and continuous cast method can omit the surperficial pre-cleaning link of elastomeric material layer and steel billet layer in conventional composite rolling mill practice, add lumber recovery, improve production efficiency.
To achieve these goals, the utility model have employed following technical scheme:
A continuous casting production equipment for surface coverage elastomeric material steel, comprising:
Leptoprosopy crystallizer, comprising: two pieces of narrow copper plates, be arranged in parallel; The supporting and regulating device of two narrow copper plates, be respectively used to support the described two pieces of narrow copper plates of adjustment, described two pieces of narrow copper plates are fixed on teeming stage respectively by described supporting and regulating device; Article two, wide elastomeric material strip, to be set in parallel between described two pieces of narrow copper plates and to surround the cavity of described leptoprosopy crystallizer with described two pieces of narrow copper plates, lower the temperature to make molten steel and solidify in described cavity; The continuous casting bracing or strutting arrangement of two wide elastomeric material strips, is respectively used to support and retrain described two pieces of wide elastomeric material strips, ensures the smooth conveying of described wide elastomeric material strip;
Two wide elastomeric material strip input unit, be arranged at two wide sides of described leptoprosopy crystallizer respectively, for wide elastomeric material strip being constantly transferred in described leptoprosopy crystallizer with the Kuan Mianchu making two wide the elastomeric material strips be constantly drawn out be filled into described leptoprosopy crystallizer, control input rate and the input direction of described wide elastomeric material strip simultaneously.
Two slag traps, below the top of the slag layer all inserting described leptoprosopy crystallizer, and described two slag trap lower limbs abut with described two wide elastomeric material strips respectively, with the contact of isolated described wide elastomeric material strip and the top of the slag.
In above-mentioned continuous casting production equipment, as a kind of preferred embodiment, the continuous casting bracing or strutting arrangement of described wide elastomeric material strip comprises one group of depressing table vertically arranged, frictional force by producing between described depressing table and described wide elastomeric material strip in casting process retrains and drive characteristic material strip, ensures the smooth conveying of described wide elastomeric material strip.
In above-mentioned continuous casting production equipment, as a kind of preferred embodiment, described wide elastomeric material strip input unit comprises: one group of transmission roller channel, with speed according to the rules, wide elastomeric material strip is delivered to the Kuan Mianchu of described leptoprosopy crystallizer; And niproll, be arranged at the end of described transmission roller channel, terminal transmission roller in described niproll and described transmission roller channel combines, and enters speed in described leptoprosopy crystallizer and direction for clamping described wide elastomeric material strip to control described wide elastomeric material strip.
In above-mentioned continuous casting production equipment, as a kind of preferred embodiment, be also provided with uncoiler before described wide elastomeric material strip input unit, for wide the elastomeric material strip uncoiling by rolled state.
In above-mentioned continuous casting production equipment, as a kind of preferred embodiment, after described wide elastomeric material strip input unit, be also provided with straightener, for wide elastomeric material strip being aligned.
In above-mentioned continuous casting production equipment, as a kind of preferred embodiment, the lower edge of described slag trap stretches into below the top of the slag 5 ~ 20mm, and slant setting.More preferably, the angle α of described slag trap and described wide elastomeric material strip is 10 ~ 30 degree.
In above-mentioned continuous casting production equipment, as a kind of preferred embodiment, the upper end of described slag trap is fixed on teeming stage.
In above-mentioned continuous casting production equipment, as a kind of preferred embodiment, described slag trap is made up of refractory material.
In above-mentioned continuous casting production equipment, as a kind of preferred embodiment, described slag trap lower end is provided with Argon gas port, to avoid molten steel oxidation near described slag trap.More preferably, the vertical range of described Argon gas port and described slag trap lower limb is 1 ~ 5mm.
In above-mentioned continuous casting production equipment, as a kind of preferred embodiment, described continuous casting production equipment also comprises continous casting sprue, is arranged at above described crystallizer, for being inputed to by molten steel in leptoprosopy crystallizer; In described continous casting sprue, stopper is set, for controlling the molten steel liquid level in described leptoprosopy crystallizer.More preferably, described continous casting sprue is submersed nozzle.
A kind of conticaster, comprises above-mentioned continuous casting production equipment.
A continuous casting producing method for surface coverage elastomeric material steel, adopts above-mentioned continuous casting production equipment or above-mentioned conticaster, specific as follows:
Open before watering, first utilize two wide elastomeric material strip input unit wide elastomeric material strip to be delivered to respectively two wide places of leptoprosopy crystallizer, thus make two narrow copper plates of wide the elastomeric material strip and described leptoprosopy crystallizer being input to described leptoprosopy crystallizer be combined into the cavity of described leptoprosopy crystallizer; Then slag trap is inserted below leptoprosopy Mould Powder face, and described slag trap lower limb is fitted in described wide elastomeric material strip;
Open the process of watering, molten steel in tundish is fed through in described leptoprosopy crystallizer by the submersed nozzle being arranged at described tundish exit, and makes the molten steel in described leptoprosopy crystallizer cool and solidify by the cooling system be arranged at outside described leptoprosopy crystallizer;
Open after watering, be drawn out with continuous casting billet, described wide elastomeric material strip is also together drawn out, and the transmission speed of described wide elastomeric material strip is controlled by the continuous casting bracing or strutting arrangement of described wide elastomeric material strip and described wide elastomeric material strip input unit, wherein, casting speed is identical with described strip transmission speed, thus makes wide elastomeric material strip form the top layer of continuous casting billet.
Compared with prior art, the utility model has following beneficial effect:
1) steel grade realizing integrated high-efficiency production surface characteristic material is easy to;
2) principle and structure are simply, are convenient to safeguard, invest little, are easy to realize;
3) level of integrated system is high;
4) product quality can be improved, improve prouctiveness, yield rate is high;
5) novelty to import surface characteristic material in continuous casting production process, do not cause pollution and the waste of the material in additional processing process, resource.
Accompanying drawing explanation
Fig. 1 is the floor map of the continuous casting production equipment of the utility model surface coverage elastomeric material steel;
Fig. 2 is the top view of the utility model leptoprosopy crystallizer.
Wherein: 1. the supporting and regulating device of continuous casting support roll road, 3. wide elastomeric material strip approach table, 4. niproll, 5. slag trap, 6. crystallizer protecting residue layer, 7. submersed nozzle, 8. narrow copper plate, the 9. narrow copper plate of wide elastomeric material strip, 2. wide elastomeric material strip.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further, but is not limited thereto.
The continuous casting production equipment of the surface coverage elastomeric material steel that the utility model provides, see Fig. 1 and Fig. 2, comprise for making molten steel lower the temperature with the leptoprosopy crystallizer solidified, inputting the input unit of wide elastomeric material strip, the slag trap 5 contacted with the top of the slag for isolated wide elastomeric material strip 1 and the mouth of a river for pouring into a mould molten steel in crystallizer for continuous to this leptoprosopy crystallizer.Below each parts of the utility model continuous casting production equipment are described one by one.
Leptoprosopy crystallizer, comprising: the two pieces of narrow copper plates 8 be arranged in parallel; Two are respectively used to the supporting and regulating device 9 supporting and regulate two pieces of narrow copper plates 8; Be set in parallel in the cavity that two wide elastomeric material strips, 1, two pieces of narrow copper plates 8 between two pieces of narrow copper plates 8 and two wide elastomeric material strips 1 surround leptoprosopy crystallizer, pour steel in this cavity also makes molten steel lower the temperature and solidify; And the continuous casting bracing or strutting arrangement of two wide elastomeric material strips, be respectively used to support and constraint two pieces of wide elastomeric material strips 1, adjust the input rate of wide elastomeric material strip 1 at casting process according to the throwing speed of continuous casting billet simultaneously, control inputs direction, and the smooth conveying ensureing wide elastomeric material strip 1.Traditional crystallizer is many to be made up of fixed two narrow copper plates and two wide copper coins, for traditional leptoprosopy crystallizer, the utility model have employed and successively can instead of existing fixed wide copper coin to the wide mode of facing the wall and meditating upper input wide elastomeric material strip 1 of leptoprosopy crystallizer, thus in process of billet withdrawal, wide elastomeric material strip 1 is pulled out together with continuous casting billet, elastomeric material strip forms the surface portion of continuous casting steel billet, namely realize importing surface characteristic material in casting process, do not cause the material in additional processing process, the pollution of resource and waste, be easy to the steel grade realizing integrated high-efficiency production surface characteristic material.The continuous casting steel billet obtained is through rolling deformation, and final formation surface has the steel product of characteristic functions.The utility model is to significantly improve the production efficiency of surface coverage elastomeric material steel.
About the supporting and regulating device 9 of narrow copper plate 8 and narrow copper plate 8 is all identical with the corresponding component of existing leptoprosopy crystallizer, this is no longer going to repeat them.Narrow copper plate 8 can be identical with the fixed form of traditional crystallizer, is connected with teeming stage by supporting and regulating device 9.Below the continuous casting bracing or strutting arrangement of wide elastomeric material strip 1 and wide elastomeric material strip is specifically described.
Wide the elastomeric material strip 1 used in leptoprosopy crystallizer regulates according to needs of production, and such as select the width of strip 1, material according to need of production, its material can be the sheet materials such as Ti, Cu, Al.
The continuous casting bracing or strutting arrangement of wide elastomeric material strip, be two covers, be respectively used to wide the elastomeric material strip 1 supporting leptoprosopy crystallizer both sides, this bracing or strutting arrangement comprises one group of depressing table vertically arranged 2, in wide the downward running of elastomeric material strip, frictional force is produced, in order to constraint and drive characteristic material strip between described depressing table and described wide elastomeric material strip.This continuous casting bracing or strutting arrangement and wide elastomeric material strip input unit jointly coordinate and strip 1 are transmitted stably with transmission speed as requested.Depressing table 2 mainly regulates the tension force in strip 1, to ensure the smooth conveying of wide elastomeric material strip 1.In addition, depressing table 2 can also prevent the distortion of wide elastomeric material strip 1.
Two wide elastomeric material strip input unit, be arranged at two wide sides of leptoprosopy crystallizer respectively, sentence for wide the facing the wall and meditating wide elastomeric material strip 1 be constantly transferred in leptoprosopy crystallizer the Kuan Mianchu that two wide the elastomeric material strips 1 making constantly to be drawn out are filled into described leptoprosopy crystallizer.Particularly, this wide elastomeric material strip input unit comprises one group of transmission roller channel 3, with speed according to the rules, wide elastomeric material strip 1 is delivered to the Kuan Mianchu of leptoprosopy crystallizer; And niproll 4, be arranged at roller-way 3 end, niproll 4 and the terminal transmission roller in approach table 3 combine and enter speed in leptoprosopy crystallizer and direction to clamp wide elastomeric material strip 1 to control wide elastomeric material strip 1.Control strip transmission speed identical with the transmission principle of existing roller machine, transfer roller, namely realized by electric machines for roller rotating speed.Preferably, before wide elastomeric material strip input unit, be also provided with uncoiler, for wide the elastomeric material strip uncoiling by rolled state; Also straightener is provided with, for by wide elastomeric material strip aligning, to ensure the straight of inputted strip after wide elastomeric material strip input unit.
According to the difference of ferrostatic pressure, between strip wide elastomeric material strip input unit and the continuous casting bracing or strutting arrangement of wide elastomeric material strip, certain tension force must be had, steadily input could be realized.In casting process, while continuous casting support roll road 2, strip transmission roller channel 3 and niproll 4 effect realize strip 1 continuous, steadily input, particularly, the main input rate adjusting wide elastomeric material strip 1 according to the throwing speed of continuous casting billet of transmission roller channel 3, and act synergistically with niproll 4 and control the input direction of strip, depressing table 2 mainly regulates the tension force in strip, ensures the smooth conveying of wide elastomeric material strip.
Two slag traps 5; all insert below leptoprosopy crystallizer protecting residue surface layer 6; and the lower limb of two slag traps 5 abuts with two wide elastomeric material strips 1 respectively or perhaps fits, and to prevent two wide elastomeric material strips 1 from contacting with the top of the slag, thus avoids slag between strip and steel matrix.
Particularly, slag trap 5 is made up of refractory material, its whole width just in time covers the width of whole wide elastomeric material strip, wide elastomeric material strip 1 can be fully avoided to contact with the top of the slag like this, the lower end of slag trap 5 is provided with Argon gas port (not shown), for Argon, make between slag trap 5 and strip 1, to form argon and seal space, be oxidized to avoid the molten steel near slag trap 5.The vertical range of the lower limb of Argon gas port and slag trap 5 is preferably 1 ~ 5mm.Slag trap 5 slant setting and slag trap 5 is preferably 10 ~ 30 degree with the angle α of wide elastomeric material strip 1, this angle is the smaller the better, it is conducive to reducing the space above slag trap 5 and elastomeric material strip 1 contact position, be conducive to the oxidation preventing molten steel, but the too little installation being unfavorable for again niproll 4 of angle, therefore, the utility model slag trap 5 is the suitableeest with the angle of wide elastomeric material strip 1 is 10 ~ 30 degree.The lower limb of slag trap 5 stretches into below the top of the slag 5 ~ 20mm.For pushing off the slag, the distance reached under the top of the slag is the bigger the better; But distance is too large, slag trap 5 and strip 1 joint place molten steel overflow to the probability of strip 1 with slag trap 5 space and increase; The lower limb of slag trap 5 stretches into molten steel hydraulic pressure during below top of the slag 5-20mm, can not cause seepage.The top edge of slag trap 5 can be fixed on teeming stage, and in order to convenient fixing, slag trap 5 can be designed as V-structure, and as shown in Figure 1, in the two ends of V-structure, one end and wide elastomeric material strip 1 are fitted, and the other end is fixed on teeming stage.In order to the effect that slag trap 5 can be allowed to play support, the lower limb of slag trap 5 is preferably a perpendicular, and the bearing edge of the perpendicular of slag trap 5 and depressing table 2 is positioned on same vertical plane.
Continous casting sprue, is arranged at above leptoprosopy crystallizer, is delivered in described crystallizer, this mouth of a river, forms with the mouth of a river in existing continuous casting technology, structure, effect be consistent when opening and watering according to parameters such as throwing speed, crystallizer sectional dimensions by molten steel.In described continous casting sprue, also stopper is set, for controlling the molten steel liquid level in described leptoprosopy crystallizer.Preferably, described continous casting sprue is submersed nozzle 7.
It is more than the continuous casting production equipment that the utility model provides, but the utility model also comprises the conticaster adopting above-mentioned continuous casting production equipment, this conticaster can also comprise the cooling system (i.e. water-cooling system), pans, mold oscillator mechanism, dummy bar, cooling twice road, withdrawal straightening machine and the cutting machine that are positioned at leptoprosopy crystallizer outside, these parts or device are all identical with related device in existing conticaster or parts, and this is no longer going to repeat them.
Introduce the using method of the continuous casting production equipment of the surface coverage elastomeric material steel that the utility model provides below in detail, specifically comprise following operation:
Open before watering, first utilize uncoiler by curling elastomeric material strip uncoiling, then the strip of uncoiling is sent on the transmission roller channel of wide elastomeric material strip input unit, be delivered to the Kuan Mianchu of leptoprosopy crystallizer via blessing roller, thus make two narrow copper plates of wide the elastomeric material strip and leptoprosopy crystallizer being input to wide of leptoprosopy crystallizer two place be combined into the cavity of leptoprosopy crystallizer; Then slag trap is inserted below leptoprosopy Mould Powder face about 15mm, and slag trap lower limb is fitted in wide elastomeric material strip, make the angle α of slag trap and wide elastomeric material strip be about 20 degree.
Open the process of watering, molten steel in tundish is fed through in leptoprosopy crystallizer by the submersed nozzle being arranged at tundish exit, cooling system outside leptoprosopy crystallizer is to narrow copper plate and elastomeric material strip spray cooling water, cooling water takes away the latent heat of solidification of molten steel, the molten steel in leptoprosopy crystallizer is made to cool and solidify, because elastomeric material board temperature is lower, together with in the process of molten steel solidification, molten steel is set in wide elastomeric material strip of input crystallizer; In addition, open in the process of watering whole, all by being arranged at the argon gas mouth Argon of slag trap lower end, argon flow amount is 15 ~ 40L/min, and argon pressure is 0.4 ~ 2.0MPa, of the present utility modelly wholely opens the process of watering and opens the technology of watering and existing continuous casting technology is general.
Open after watering, throwing, be drawn out with continuous casting billet, wide elastomeric material strip is also together drawn out, and the transmission speed of wide elastomeric material strip is controlled by the continuous casting bracing or strutting arrangement of wide elastomeric material strip and wide elastomeric material strip input unit, that is, open water after to run with continuous casting billet that to control continuous casting billet by wide elastomeric material continuous casting supporting arrangement steadily descending and provide support; Along with continuous casting carries out wide elastomeric material strip input unit with work, and controlled through strip transmission speed wherein and transmission direction by the niproll of delivery roll and its terminal; Wherein, casting speed is identical with described strip transmission speed, thus makes wide elastomeric material strip form the top layer of continuous casting billet.
Should be appreciated that these detailed description of the invention are only not intended to for illustration of the utility model limit protection domain of the present utility model.In addition; also should understand; after having read technology contents of the present utility model, those skilled in the art can make various change, amendment and/or modification to the utility model, and these all equivalent form of values fall within the protection domain that the application's appended claims limits equally.
Claims (10)
1. a continuous casting production equipment for surface coverage elastomeric material steel, is characterized in that, comprising:
Leptoprosopy crystallizer, comprising: two pieces of narrow copper plates, be arranged in parallel; The supporting and regulating device of two narrow copper plates, be respectively used to support the described two pieces of narrow copper plates of adjustment, described two pieces of narrow copper plates are fixed on teeming stage respectively by described supporting and regulating device; Article two, wide elastomeric material strip, to be set in parallel between described two pieces of narrow copper plates and to surround the cavity of described leptoprosopy crystallizer with described two pieces of narrow copper plates, the continuous casting bracing or strutting arrangement of two wide elastomeric material strips, is respectively used to support and retrain described two pieces of wide elastomeric material strips;
Two wide elastomeric material strip input unit, is arranged at two wide sides of described leptoprosopy crystallizer respectively;
Two slag traps, below the top of the slag layer all inserting described leptoprosopy crystallizer, and described two slag trap lower limbs abut with described two wide elastomeric material strips respectively.
2. continuous casting production equipment according to claim 1, it is characterized in that, the continuous casting bracing or strutting arrangement of described wide elastomeric material strip comprises one group of depressing table vertically arranged, and the frictional force by producing between described depressing table and described wide elastomeric material strip in casting process retrains and wide elastomeric material strip described in transmission.
3. continuous casting production equipment according to claim 1, is characterized in that, described wide elastomeric material strip input unit comprises: one group of transmission roller channel, and
Niproll, is arranged at the end of described transmission roller channel, and the terminal transmission roller in described niproll and described transmission roller channel combines.
4. continuous casting production equipment according to claim 1, is characterized in that, is also provided with uncoiler before described wide elastomeric material strip input unit.
5. continuous casting production equipment according to claim 1, is characterized in that, the lower edge of described slag trap stretches into below the top of the slag 5 ~ 20mm, and slant setting.
6. continuous casting production equipment according to claim 5, is characterized in that, the angle α of described slag trap and described wide elastomeric material strip is 10 ~ 30 degree.
7. continuous casting production equipment according to claim 1, is characterized in that, described slag trap lower end is provided with Argon gas port.
8. continuous casting production equipment according to claim 7, is characterized in that, the vertical range of described Argon gas port and described slag trap lower limb is 1 ~ 5mm.
9. continuous casting production equipment according to claim 1, is characterized in that, described continuous casting production equipment also comprises continous casting sprue, is arranged at above described crystallizer; In described continous casting sprue, stopper is set.
10. a conticaster, is characterized in that: comprise the continuous casting production equipment described in the claims 1 to 9 any one.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525879A (en) * | 2014-12-18 | 2015-04-22 | 山东钢铁股份有限公司 | Continuous casting production device and method for steel with surface covered with special material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525879A (en) * | 2014-12-18 | 2015-04-22 | 山东钢铁股份有限公司 | Continuous casting production device and method for steel with surface covered with special material |
| CN104525879B (en) * | 2014-12-18 | 2016-11-23 | 山东钢铁股份有限公司 | The continuous casting of surface coverage property material steel produces Apparatus and method for |
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