CN1072621A - Electromagnetic levitation type continuous metal casting apparatus - Google Patents
Electromagnetic levitation type continuous metal casting apparatus Download PDFInfo
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- CN1072621A CN1072621A CN 92114151 CN92114151A CN1072621A CN 1072621 A CN1072621 A CN 1072621A CN 92114151 CN92114151 CN 92114151 CN 92114151 A CN92114151 A CN 92114151A CN 1072621 A CN1072621 A CN 1072621A
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- 238000005339 levitation Methods 0.000 title claims abstract description 34
- 238000005058 metal casting Methods 0.000 title claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 254
- 229910052751 metal Inorganic materials 0.000 claims abstract description 254
- 238000005266 casting Methods 0.000 claims abstract description 93
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 238000009749 continuous casting Methods 0.000 description 8
- 229910002804 graphite Inorganic materials 0.000 description 8
- 239000010439 graphite Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000725 suspension Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
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- 239000002994 raw material Substances 0.000 description 1
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Abstract
Electromagnetic levitation type continuous metal casting apparatus keeps stove, vertical casting container and peripheral cooler and alternating magnetic field generator, tubular feeding molten metal line and peripheral heating generator thereof thereof to constitute by motlten metal.The horizontal component of tubular supply line when bending makes progress into upstanding portion, extend horizontally to extention and outside be with heating generator.When this external assembling liquid level was passed device, the tubular supply line was approximate horizontal in the metal maintenance furnace outer wall position higher than level of molten metal and stretches out.Jointlessly fuse in the middle of the described supply line.Apparatus of the present invention can reduce or stop in the supply line motlten metal to sew, cancel to repair and change operation.
Description
The present invention relates to the improvement of electromagnetic levitation type continuous metal casting apparatus.
With the wire rod of continuous casing manufacturing Al or Ca and so on or the method for bar was exactly known (for example, U.S. Patent No. 4,414,285) in the past.This method is to make motlten metal be the motlten metal column, supply with the casting or the shaped region of top by downside, above being exposed in the alternating magnetic field and in casting or shaped region, moving to, make it simultaneously cooling in turn, solidify, to be cast as the electromagnetic levitation type continuous metal casting method that body takes out from the top of above-mentioned casting or shaped region, supply in practicality as industrial effective means.According to above-mentioned electromagnetic levitation type continuous metal casting method, the molten metal post that is cast or is shaped, in above-mentioned alternating magnetic field, present null-gravity state, therefore and between the casting container (casting pattern) there are not frictional force and adhesion, not only get the ingot processing ease, and in the homogenieity that can obtain height by the inside of above-mentioned alternating magnetic field stage motlten metal post because of stirring.
On the other hand, as the device of implementing above-mentioned electromagnetic levitation type casting method, known device with main composition shown in Fig. 1 profile.Promptly, by accommodating and keeping the motlten metal of motlten metal 1 to keep stove 2, accept so that solidify the tubular casting container 3 of the upright placement of above-mentioned motlten metal 1 with the form of motlten metal post, with 3 combinations of above-mentioned tubular casting container so that import the heat exchange means 4 of the motlten metal post cooling curing of casting container 3, roughly make the motlten metal post move to the alternating magnetic field generation means 5 of the lattice coil formation of top around being located at above-mentioned casting container 3 by total length and generation alternating magnetic field, the casting product of above-mentioned cooling curing are taken out means 6 from the top of casting container, motlten metal 1 that will be to be cast from motlten metal maintenance stove 2 is by the feeding molten metal line in the downside supply casting container 3 (being referred to as the bright pipe ロ Application ダ-チ ユ-Block that reaches) 7, and this is the graphite tubulation that is provided with high-frequency heating means 8 in its periphery, and the device that the liquid surface regulator 9 of adjusting above-mentioned motlten metal liquid level constitutes supplies in practicality.
But, following shortcoming is arranged in the electromagnetic levitation type continuous metal casting apparatus of above-mentioned formation, wish to be improved.
One, keep motlten metal 1 that stove 2 will be to be cast to supply with feeding molten metal line 7 in the casting container 3 from motlten metal by downside, in order to keep desired molten condition to infeed continuously in the casting container 3 motlten metal 1, its structure has high-frequency heating means 8 for adopting the good graphite tubulation of conductibility around pipe.But, above-mentioned feeding molten metal line 7 will be designed to crooked position and link to each other with upright tubular casting container 3 with activation, on this crooked position (elbow part) 7a, be difficult to fully guarantee to constitute the coil number of plies of high-frequency heating means 8, therefore, the situation that is difficult to motlten metal 1 is remained on desired molten condition takes place time and again.That is, when hope was cast to carry out low speed than low rate supplying melting metal 1, on the crooked position of above-mentioned feeding molten metal line 7 (elbow part) 7a, the motlten metal of supply solidified or temperature reduces, and the shortcomings such as continuous supply that can not reach aequum are arranged.Therefore, on the feeding molten metal line,, wish to improve the equipment of supplying melting metal continuously in order to prevent that molten metal from solidifying or temperature reduces.
The second, in the electromagnetic levitation type continuous metal casting apparatus of above-mentioned formation, as among Fig. 2 the main position of casting container shown in Figure 1 being amplified shown in the profile of back, its structure is a casting container 3, and heat exchange means 4 and alternating magnetic field generation means 5 become one.Be that its structure is, the stream 4(heat exchange means of cooling medium is set with it on the outer peripheral face of the tubular casting container 3 that has refractory masses 3a such as graphite bar on the internal face with becoming one), and on the outer peripheral face total length of above-mentioned cooling medium stream (heat exchange means) 4 a plurality of suspended coils of configuration (alternating magnetic field generation means) 5.In this structure, initial cooling point becomes the base plate 4a of heat exchange means 4, and, the intensity of suspension magnetic, for example alternating magnetic field generation means 5 are that the second layer coil scope at two ends demonstrates desirable intensity under the situation about constituting with 6 layers of 5a coil.
Yet, following shortcoming is arranged in the electromagnetic levitation type continuous metal casting apparatus of above-mentioned formation.Promptly; supply with the motlten metal post of casting container 3 by feeding molten metal line 7, by downside from the motlten metal protection stove 2 that keeps motlten metal 1; by heat exchange means 4 coolings, curing; move to the top by alternating magnetic field generation means 5 electromagnetic grounds simultaneously; thereby can make desirable casting product continuously; for example wire rod still often breaks.This broken string takes place is because, infeed the part of the interior motlten metal post of casting container 3 by downside, in field corresponding to suspended coil 5 lower end ground floor coil 5a1, solidify suspension magnetic or its underpart of promptly can not get in enough suspending powers and the internal-direction-force field, present the state that sticks to casting container 3 walls, therefore hinder above-mentioned motlten metal post to be moved upward smoothly.In order to overcome the above problems, with the wall field of lower end side the 1st layer line circle 5a1 and the corresponding casting container 3 of the 2nd layer line circle a2 of above-mentioned alternating magnetic field generation means 5, configuration earthenware 3b, and and the wall of casting container 3 between the space is set, reduce the heat conduction thus preventing broken string, but this is not a good solution.
The 3rd problem relates to the feeding molten metal line.As shown in Figure 3, supply with practical device have the extrusion molten metal keep stove 2 inside motlten metal 1 squeeze device so that keep the motlten metal 1 of stove 2 inside to supply with casting container 3 the fusion gold by feeding molten metal line 4.The sidewall that feeding molten metal line 4 is designed to closely be close to motlten metal protection stove 2 bottoms joins, and is made of horizontal component 4a and upstanding portion 4b and the 4c that is connected with them.At this moment, from motlten metal keep stove 2 by downside will be to be cast the feeding molten metal line 4 supplied with in the casting container 3 of motlten metal 1, general structure is to adopt the good graphite tubulation of thermal conductivity and at the heater meanses such as periphery configuring high-frequency heating of pipe.Constitute the above-mentioned graphite tubulation of above-mentioned feeding molten metal line 4, because in the air or the oxygen in the motlten metal and oxidation so that loss, poor durability, so casting device must shut down and operate so that carry out the repairing of feeding molten metal line or change operation.In the repairing of this feeding molten metal line 4, change in the operation, horizontal position 4a and motlten metal keep continuing of the stove 2 and the position 4c that continues, joints such as the upright position 4b and the continuing of position 4c of continuing are a lot, therefore not only operation is miscellaneous, and the possibility that motlten metal (liquid) 1 is revealed is also high.Even the possibility that above-mentioned motlten metal 1 leaks in the required casting operation time in addition, because the above-mentioned respectively place of continuing also is added with motlten metal 1 caused hydrostatic pressing, and has been encouraged this possibility.
And, in above-mentioned feeding molten metal line 4 repairings and replacing operation, need discard or reclaim the motlten metal maintenance and protect 2 interior motlten metals 1, the problem of waste of raw materials and cost aspect is a lot.
Therefore, the objective of the invention is to, provide a kind of and can prevent broken string, reduce or stop the leakage of motlten metal in the feeding molten metal line, while can also be eliminated the repairing of feeding molten metal line 4 and be got and change the miscellaneous of operation, and need not discard or reclaim the electromagnetic levitation type continuous metal casting apparatus that motlten metal keeps motlten metal 1 operations in the stove 2.
In order to finish the foregoing invention purpose, the invention provides following electromagnetic levitation type continuous metal casting apparatus:
Being constructed as follows of one:
Be used to accommodate and keep the motlten metal maintenance stove of metal melting state; Accept the vertical type casting container that the column motlten metal is entered by downside, it in accordance with regulations size carry out metal casting; Be arranged on casting container place face and with the cooler of its formation one, its effect is to be convection current ground with motlten metal post moving direction to feed cooling medium, makes the motlten metal post cooling that moves up because of action of alternating magnetic field and solidifies; The casting container outside also is provided with the alternating magnetic field generator with its formation one, and it produces hands over magnetic field, and the motlten metal post electromagnetic ground that is housed in the casting container is moved up; Keep motlten metal to be cast in the stove to infeed the tubular feeding molten metal line of casting container motlten metal; And the heating generator of the peripheral installing of tubular feeding molten metal line.Said apparatus is characterised in that, tubular feeding molten metal line is made of level and upstanding portion, the i.e. horizontal component that keeps stove to extend out from motlten metal, with for can by sweep by downside infeed casting container be extended down to the top upstanding portion constitute, and described sweep with melt metal and keep the relative other end of stove, flatly be provided with extention, described extention is equipped with heating generator.
Being constructed as follows of the another kind of electromagnetic levitation type continuous metal casting apparatus of the present invention:
Accommodate and keep the metal melting state, and be equipped with liquid level and pass the motlten metal of device and keep stove, wherein to pass the effect of device be to keep the motlten metal in the stove to push to motlten metal to liquid level, makes it infeed the casting container stove by the feeding molten metal line; Accept the column motlten metal and the vertical type casting container of size casting in accordance with regulations by downside; Be located at casting container outside and with the cooler of its formation one, it makes the motlten metal post cooling that moves up because of action of alternating magnetic field and solidifies by flow path direction being fed cooling medium; Be located at casting container outer and with the alternating magnetic field generator of its formation one, it produces alternating magnetic field, and the motlten metal post electromagnetic ground that is contained in the casting container is moved up; The tubular feeding molten metal line that keeps stove to infeed by motlten metal on metal to be cast to casting container; And the tubular feeding molten metal is given the heating generator in the outside.Said apparatus is characterised in that, it is to be arranged at than liquid level to pass the higher position of corresponding motlten metal liquid level when mentioning the motlten metal of device in motlten metal keeps stove that the tubular feeding molten metal is given, and described feeding molten metal line promptly keeps above-mentioned position on the furnace sidewall to be approximate horizontal ground from motlten metal stretching out.And, just erect very short vertical component upwards for line line horizontal component and be connected with casting container at tubular not by the part that continues.
Again, above-mentioned feeding molten metal line is whole fusing, and part does not continue in the centre.
In addition, the present patent application people should invent at its another application CN 90107685(and obtain China Patent Right on September 30th, 1992) in provide a kind of purpose to be to prevent to break, make the same device of constant product quality.This device comprises that also motlten metal keeps stove, casting container, cooler, alternating magnetic field generator, tubular feeding molten metal line and heating generator.This modifying device is characterised in that, wherein feed the constituting of cooler of cooling medium with the convection current of motlten metal post direct of travel, cooling medium is flowed out in the corresponding position of a plurality of solenoids second solenoid bottom, and this cooler is to be made of dual pipe.
Fig. 1 is the profile of the magnetic suspension continuous casting apparatus major part structure before the expression.Fig. 2 is the amplification profile of the major part of the casting container part in the magnetic suspension continuous casting apparatus shown in Figure 1.Fig. 3 is the main composition part of electromagnetic levitation type continuous metal casting apparatus before the expression, from have the motlten metal that squeezes device keep stove through the feeding molten metal line will be to be cast motlten metal infeed the device section synoptic diagram of casting container.Fig. 4 is the profile of the main position of the expression embodiment of the invention 1 electromagnetic levitation type continuous metal casting apparatus structure.Fig. 5 is the amplification profile of the casting container major part of the expression embodiment of the invention 2.Fig. 6 and Fig. 7 are the profiles of the electromagnetic levitation type continuous metal casting apparatus major part structure of the expression embodiment of the invention 3.
Most preferred embodiment with reference to following each figure explanation the present invention.
Fig. 4 is the profile that the electromagnetic levitation type continuous metal casting apparatus major part of the relevant the present invention's of expression first invention constitutes.The 2nd, accommodate the motlten metal that keeps motlten metal 1 and keep stove, the 3rd, accept the casting container of above-mentioned motlten metal 1 from downside with motlten metal cylindricality attitude, 5 are arranged on above-mentioned casting container 3 peripheries is integral with it, and make the alternating magnetic field generation means that the motlten metal post electromagnetic ground in the casting container 3 is moved upward that are housed in, 4 are arranged on above-mentioned casting container 3 peripheries is integral with it, and the cooling way of the motlten metal post cooling curing that the effect owing to above-mentioned alternating magnetic field generation means 5 that will be housed in the above-mentioned casting container is moved upward, for example cooling water line.The 7th, keep motlten metal 1 that stove 2 will be to be cast to infeed tubular feeding molten metal line in the casting container 3 from above-mentioned motlten metal by downside.8 are arranged on the high-frequency heating means on above-mentioned tubular feeding molten metal line 7 peripheries.Among the figure, 2a keeps motlten metals 1 in the stove 2 to remain on the high-frequency heating means of molten condition motlten metal, and the 9th, the liquid level of above-mentioned motlten metal is adjusted body.
Relate in the present invention's the electromagnetic levitation type continuous metal casting apparatus of first invention, on the crooked position 7a that is designed to be extended down to above the above-mentioned tubular feeding molten metal line 7, the extention 7b that has high-frequency heating means 8a is set.That is to say, formation of the present invention is in above-mentioned electromagnetic levitation type continuous metal casting apparatus, (on bend (bend part) 7a of the feeding molten metal line 7 that is referred to as Lang Daguan (ロ Application ダ-チ ュ-Block) of the casting container body 3 of レ PVC テ-), give prominence to that with it extention 7b that has high-frequency heating means 8 being set keeping motlten metal 1 that stove 2 will be to be cast to supply with being referred to as suspension device from motlten metal with becoming one.
In the present invention's the electromagnetic levitation type continuous metal casting apparatus, tubular feeding molten metal line 7 and extention 7b are that the refractory by graphite or electric conductivity constitutes.The refractory of electric conductivity can exemplify: borides potteries such as TiB, ZrB, HfB, MoB, CrB; Nitride-based pottery such as TiN, ZrN, NbN, VN and ZrC, HfC, carbon compound potteries such as VC, TiC.The outstanding length of above-mentioned extention 7b is considered structural material, length and the diameter etc. of above-mentioned feeding molten metal line 7 and the supply condition of motlten metal, selection that suits and setting.That is to say that the crooked position 7a at above-mentioned feeding molten metal line 7 sets as target with following field, promptly the high frequency coil 8 of Juan Raoing can make and make the unlikely heat of solidifying of motlten metal from above-mentioned extention 7b supply.
In the present invention's electromagnetic levitation type continuous metal casting apparatus, tubular feeding molten metal line 7 is made of graphite-pipe, and be the device that the extention 7b that possesses high-frequency heating means 8a is arranged on crooked position 7a, measure the molten metal temperature at the C point place of A point, B point and crooked position 7a on the feeding molten metal line 7 that carries out the copper cash continuous casting shown in Figure 3 respectively, the results are shown in table 1.Table 1 also illustrates the C point place molten metal temperature of A point, B point and the crooked position 7a of feeding molten metal line 7 in the former electromagnetic levitation type continuous metal casting apparatus (Fig. 1), and respectively than than.
Table 1
1121 ℃ 1177 ℃ 1161 ℃ of embodiment
Comparative example-1176 ℃ 958 ℃
Can be clear that by last table, under the situation of former electromagnetic levitation type continuous metal casting apparatus, the motlten metal of supplying with by feeding molten metal line 7 is low and become not too mobile in its temperature of melt metal of the crooked position 7a of feeding molten metal line 7; But under the situation of the present invention's electromagnetic levitation type continuous metal casting apparatus,, and keep good flowability even the motlten metal of supplying with by feeding molten metal line 7 also can keep high temperature at the crooked position 7a of feeding molten metal line 7.If above-mentioned feeding molten metal line 7 usefulness electric conductivity pottery constitutes, then can prevent the loss that motlten metal is stained or motlten metal causes.
As mentioned above, if the present invention's electromagnetic levitation type continuous metal casting apparatus keeps stove will treat the fusion metal in the feeding molten metal line of casting container body from motlten metal, can keep or keep motlten metal at gamut be roughly the same temperature.Therefore,, motlten metal can infeed casting container smoothly thereby demonstrating roughly the same flowability in whole feeding molten metal line, therefore, even also be easy to obtain same high-quality wire rod under the situation with low speed continuous casting wire rod.
Basic structure is identical with embodiment 1, keep stove 2 by accommodating the motlten metal that keeps motlten metal 1, accept above-mentioned motlten metal and the casting container 3 cast of size in accordance with regulations with motlten metal cylindricality attitude from downside, be arranged on the alternating magnetic field generation means 5 that Zhou Yuqi was integral and produced the lattice coil formation of the alternating magnetic field that makes the motlten metal post electromagnetic ground that is housed in the said vesse move to the top of locating of above-mentioned casting container 3, be arranged on above-mentioned casting container 3 peripheries and its all-in-one-piece, and make and be housed in above-mentioned casting container because above-mentioned action of alternating magnetic field moves to the above-mentioned motlten metal post of top, carry out the heat exchange means 4 of cooling curing with the cooling medium of relative inflow with its direct of travel, the tubular feeding molten metal line 7 that keeps motlten metal 1 that stove 2 will be to be cast to infeed from above-mentioned motlten metal by the downside of casting container, and the high-frequency heating means 8 that are located at above-mentioned tubular feeding molten metal line periphery constitute.In this device, the heat exchange means 4 of present embodiment has the structure shown in the amplification profile of Fig. 5.Promptly, tubular casting container 3 outer peripheral faces that internal face has graphite panel layer 3a are provided with and its all-in-one-piece heat exchange means 4, its structure is that cooling medium counter-rotating (turning back) is flowed, and alternating magnetic field generation means 5 are arranged on the outer peripheral face of above-mentioned cooling medium stream (heat exchange means) 4, and promptly magnetic flotation line circle 5a1 and 5a2 prolong so that cross the corresponding zone of cooling medium inversion section 4a.Constitute the magnetic flotation line circle 5a1 of the alternating magnetic field generation means 5 that surmount above-mentioned heat exchange means 4 corresponding fields and be provided with and the inboard of 5a2, be provided with the ceramic cylinder 3b that constitutes heat exchange means part form.In more detail, heat exchange means 4 is made of the dual pipe that can make the cooling medium reverse flow, and set the position relation flow through the cooling medium inversion section 4a of this heat exchange means 4 and to constitute the second layer magnetic flotation line circle 5a2 of lower end side in a plurality of coils of alternating magnetic field generation means 5 certainly, make coil 5a2 position on inversion section 4a.
In having the electromagnetic levitation type continuous metal casting apparatus of above-mentioned formation, use the feeding molten metal line 7 that constitutes by graphite-pipe, when carrying out the copper wires continuous casting, can not produce broken string, can obtain its inside and not have the remaining high quality wire rods in position, space fully.This device has the cooling body (heat exchange means) of cast part, and set the relative position relation of this cooling body and alternating magnetic field generation means as mentioned above, therefore, solidifying of motlten metal post is to begin in the field that suspending power fully works from the motlten metal post.That is, above-mentioned motlten metal post and casting container be contactless or do not have that the motlten metal post begins to solidify under the press contacts state, and motlten metal can fully suspend and stirring under accept to solidify.Therefore, the electromagnetic levitation type continuous metal casting apparatus of above-mentioned formation even also can not produce broken string in the continuous casting operation, can obtain the casting product under stable state.
In the above-described configuration, because alternating magnetic field generator 5 is arranged to and can therefore, can be easily cast continuously accordingly according to the kind of casting product along being located at the state that casting container 3 place's side faces and its all-in-one-piece heat exchange means 4 works relatively move.
In the present embodiment, tubular feeding molten metal line 7 is to make with graphite, but can also use embodiment 1 illustrative other electric conductivity pottery.
The profile of the part of primary structure shown in Fig. 6, and the electromagnetic levitation type continuous metal casting apparatus of present embodiment, keep stove 2 by accommodating the motlten metal that keeps motlten metal 1, the tubular feeding molten metal line 4 that keeps stove 2 sides to join with above-mentioned motlten metal, through above-mentioned tubular feeding molten metal line 4 will be to be cast motlten metal with the form of motlten metal post from downside accommodate and in accordance with regulations the casting container 3 cast of size constitute.Above-mentioned casting container 3 has and is located at periphery and is integral with it, and the alternating magnetic field generation means that the lattice coil that produces the alternating magnetic field that makes the motlten metal post electromagnetic ground that is housed in the above-mentioned casting container move to the top constitutes, with be located at above-mentioned casting container periphery and be integral with it, and make and be housed in the above-mentioned casting container because above-mentioned action of alternating magnetic field moves to the cooling way of the above-mentioned motlten metal post cooling curing of top; Above-mentioned tubular feeding molten metal line has the high-frequency heating means that are located at its periphery.Above-mentioned motlten metal keeps stove 2 to have and squeezes device 5, so that inner motlten metal 1 adds extruding force so that the above-mentioned tubular feeding molten metal line 4 of process infeeds motlten metal 1 in the above-mentioned casting container 3 to remaining on.Above-mentioned herein tubular feeding molten metal line 4, with shown in Figure 7, with above-mentioned when squeezing device 5 and keeping promoting the motlten metal 1 in the stove 2, keep at the motlten metal above motlten metal 1 liquid level roughly becoming flatly outstanding one section on the sidewall of stove 2 from remaining on motlten metal.In addition, the upstanding portion 4b that joins with casting container 3 is designed to short as much as possible.On the perisporium of motlten metal maintenance stove 2 the high-frequency heating means being set, is molten condition to keep accommodating maintenance motlten metal 1 within it.
Below, the action or the using method of the electromagnetic levitation type continuous metal casting apparatus of present embodiment are described with reference to Fig. 7.At first, motlten metal is kept stove 2, casting container 3 and feeding molten metal line 4 prepare and be set in the state that carries out required continuous casting.Then device 5 is passed in body hydrodynamic position, this passings device 5 slowly is immersed in motlten metal keeps in the interior motlten metal 1 of stove 2.Because this passes the dipping action of device 5, the liquid level of motlten metal 1 rises in turn, infeeds casting container 3 by feeding molten metal line 4, the electromagnetic levitation type continuous metal casting of stipulating.On the other hand, above-mentioned casting manipulations is ended or when stopping, and one mentions above-mentioned passing device 5 from motlten metal, and then motlten metal keeps the motlten metal liquid levels in the stove 2 to reduce, motlten metal in the feeding molten metal line 4 flows in the motlten metal maintenance stove 2 simultaneously, and reclaims it.
When continuous casting operation stops, owing to can avoid all sidedly applying the hydrostatic pressing that causes because of motlten metal at the position that joins with feeding molten metal line 4, thereby also eliminated the leakage problem of motlten metal widely.Even when the above-mentioned feeding molten metal line 4 of maintenance, motlten metal 1 also can be recycled to motlten metal and keep in the stove 2.Since above-mentioned feeding molten metal line 4 is outstanding be arranged on motlten metal keep stove 2 than top, thereby when above-mentioned feeding molten metal line 4 keeps in repair, also needn't carry out waste disposal to motlten metal 1.
As mentioned above, electromagnetic levitation type continuous metal casting apparatus according to the present invention, keep the motlten metal that stove will be to be cast to infeed the molten metal supply system of casting container body from motlten metal, do not store motlten metal when stopping to cast, so the maintenance work of feeding molten metal line is easy to.And, the position of continuing in the middle of above-mentioned feeding molten metal line does not have, the possibility of therefore leaking motlten metal from the position of continuing reduces.That is to say, in the feeding molten metal wire system, when stopping to cast, there is not the hydrostatic pressing that motlten metal causes yet, therefore not only having avoided widely continuing, motlten metal produces the possibility of leaking in the position, also need not the molten metal in the motlten metal retention wire is carried out waste disposal when changing the feeding molten metal line when getting.Therefore, the present invention's electromagnetic levitation type continuous metal casting apparatus has handling safety, keeps in repair, effectively utilizes casting easily with practical advantage such as motlten metals.
Claims (5)
1, electromagnetic levitation type continuous metal casting apparatus, it is made of following each several part
Motlten metal keeps stove, is used to accommodate and keep motlten metal,
Casting container, it accepts to be the above-mentioned motlten metal of motlten metal post shapes from downside,
Be arranged on casting container outside and with the cooler of its formation one, its effect is to make the above-mentioned motlten metal post cooling that moves up because of action of alternating magnetic field and solidify,
Be arranged on casting container peripheral and with the alternating magnetic field generator of its formation one, it produces alternating magnetic field, and the motlten metal post electromagnetic ground that is housed in the casting container is moved up,
Tubular feeding molten metal line, the corrode metal that it will be to be cast keeps stove to infeed to casting container by motlten metal, and
Be arranged on the heating generator of tubular feeding molten metal line periphery,
It is characterized in that, described tubular feeding molten metal line is the horizontal component that keeps stove to extend out by from motlten metal, with in order to infeed the upstanding portion that casting container is extended down to the top by downside and to constitute by becoming bent portions, and described sweep is keeping the relative other end of stove with motlten metal, flatly be provided with extention, described extention is equipped with heating generator.
2, a kind of electromagnetic levitation type continuous metal casting apparatus, it is made of following each several part
Motlten metal keeps stove, is used to accommodate and keep motlten metal,
Casting container, it uprightly is provided with, and accepts to be the above-mentioned motlten metal of motlten metal post shapes from downside,
Be arranged on casting container outside and with the cooler of its formation one, its effect is to make the above-mentioned motlten metal post cooling that moves up because of action of alternating magnetic field and solidify,
Be arranged on casting container peripheral and with the alternating magnetic field generator of its formation one, it produces alternating magnetic field, and the motlten metal post electromagnetic ground that is housed in the casting container is moved up,
Tubular feeding molten metal line, the corrode metal that it will be to be cast keeps stove to infeed to above-mentioned casting container by motlten metal,
Be arranged on the heating generator of tubular feeding molten metal line periphery, and,
Liquid level is passed device, and its effect is that the pushing motlten metal keeps the motlten metal in the stove, and make it pass through the feeding molten metal line and supply with above-mentioned casting container,
It is characterized in that, above-mentioned feeding molten metal line is arranged at the top that liquid level is passed corresponding motlten metal liquid level when mentioning the motlten metal of device in motlten metal keeps stove, and described feeding molten metal line promptly keeps the above-mentioned position of furnace wall to stretch out from motlten metal with being approximate horizontal.
3, the described device of claim 2, wherein, described feeding molten metal line fuses, and part does not continue in the centre.
4, the described device of claim 2, wherein, the height that the upstanding portion that is connected with casting container by sweep from the feeding molten metal line sets is very little.
5, the device of claim 2 wherein, on feeding molten metal line and the sweep that casting container is connected, keeps the stove couple positioned opposite that the extention of flatly stretching out is arranged with motlten metal, and described extention has heating generator.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31368489A JP2889929B2 (en) | 1989-11-30 | 1989-11-30 | Magnetic levitated continuous casting equipment |
| JP313683/89 | 1989-11-30 | ||
| JP313682/89 | 1989-11-30 | ||
| JP1313682A JPH03174948A (en) | 1989-11-30 | 1989-11-30 | Magnetic floating-up type continuous casting apparatus |
| JP313684/89 | 1989-11-30 | ||
| JP31368389A JP2889928B2 (en) | 1989-11-30 | 1989-11-30 | Magnetic levitated continuous casting equipment |
| CN 90109685 CN1020074C (en) | 1989-11-30 | 1990-11-30 | Electromagnetic levitation type continuous metal casting apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90109685 Division CN1020074C (en) | 1989-11-30 | 1990-11-30 | Electromagnetic levitation type continuous metal casting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1072621A true CN1072621A (en) | 1993-06-02 |
| CN1039291C CN1039291C (en) | 1998-07-29 |
Family
ID=27429948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92114151A Expired - Fee Related CN1039291C (en) | 1989-11-30 | 1992-11-30 | Electromagnetic levitation type continuous metal casting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1039291C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830465A (en) * | 2010-05-26 | 2010-09-15 | 丽达科技有限公司 | Silicon electromagnetic casting device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4414285A (en) * | 1982-09-30 | 1983-11-08 | General Electric Company | Continuous metal casting method, apparatus and product |
| CN1027625C (en) * | 1985-05-25 | 1995-02-15 | 昭和电线电缆株式会社 | Electromagnetic levitation casting apparatus having improved levitation coil assembly |
| US4774995A (en) * | 1986-06-11 | 1988-10-04 | Sms Concast Inc. | Continuous casting mold |
-
1992
- 1992-11-30 CN CN92114151A patent/CN1039291C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830465A (en) * | 2010-05-26 | 2010-09-15 | 丽达科技有限公司 | Silicon electromagnetic casting device |
| CN101830465B (en) * | 2010-05-26 | 2012-12-19 | 丽达科技有限公司 | Silicon electromagnetic casting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1039291C (en) | 1998-07-29 |
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