CN102240784A - Flow steel tank - Google Patents
Flow steel tank Download PDFInfo
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- CN102240784A CN102240784A CN2011101734668A CN201110173466A CN102240784A CN 102240784 A CN102240784 A CN 102240784A CN 2011101734668 A CN2011101734668 A CN 2011101734668A CN 201110173466 A CN201110173466 A CN 201110173466A CN 102240784 A CN102240784 A CN 102240784A
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Abstract
The invention relates to a flow steel tank device. The flow steel tank comprises a liquid steel launder (4), a slagging tank (16), a slagging port (19), an upper slag trap (20) and a lower slag trap (21), wherein the slagging port (19) is positioned on the upper part of the slagging tank (16); the upper slag trap (20) is positioned in the downstream in the slagging tank (16); the lower slag trap (21) is positioned in the upstream in the slagging tank (16); in the flow steel tank device, molten alloy and steel slag which is generated in the smelting process are injected into the slagging tank (16) together; and under the actions of the upper slag trap (20) and the lower slag trap (21), smelted steel slag is blocked in the slagging tank (16), and the formed molten alloy has low turbulence. By the implementation of the tank, scum of liquid steel can be eliminated, large inclusions in the molten alloy can be removed, the continuous casting of amorphous bands is smoother, and the quality of the amorphous bands is improved.
Description
Technical field
The present invention relates to a kind of flume, the flume in particularly a kind of amorphous ribbon production process.
Background technology
The main distinction of non-crystaline amorphous metal and conventional alloys is that because non-crystaline amorphous metal has been upset the arrangement of atom, it is a kind of crystalline liquid-like phase microstructure material that do not have, and does not comprise crystal defect, as crystal boundary and dislocation etc.Therefore, aspects such as the intensity of amorphous alloy material, chemism, magnetic property, corrosion resistance obviously are better than the conventional alloys material.
Sixties end, the U.S. and Japan have invented the technology that single roller quench prepares AMORPHOUS ALLOY RIBBONS in succession, and the manufacturing of amorphous alloy material has from then on obtained developing rapidly, and has obtained commercial application.So-called single roller quench is exactly that the slit of alloy solution by the refractory material nozzle bottom is expelled to the surface of metallic crystal roller rotation, that have refrigerating function at a high speed, through the rapid condensation of crystallization roller, forms amorphous alloy strip.The crystallization roller can be up to 10 to the condensation rate of alloy solution
5℃/more than the s, the alloy band go out tape speed greater than 20m/s, tape thickness≤30 μ m, bandwidth is determined according to product specification.
U.S. Pat 4142571 discloses a kind of legacy equipment and method that is used to form continous metal strip, and it is realized under inert gas environment or under the vacuum tightness environment.U.S. Pat 4151283 discloses the vacuum pressing and casting metal tape to reduce the formation of air blister defect.The manufacture craft of the amorphous alloy strip that Japan Patent JP201136919 discloses adopts induction furnace to be cast straight to the preparation method who forms amorphous ribbon on the water cooled rolls.Chinese patent CN1691994A discloses a kind of method and apparatus that is used to produce amorphous alloy sheet, this method has provided alloy solution and has been flowed out by the crucible outlet that has heating element heater, enter interface channel and be sent to two slits that rotate rollers, form amorphous alloy sheet by condensation, extruding back.Chinese patent CN85202699U discloses the continuous device for making of a kind of amorphous thin ribbon, comprises a melting bag, an internal heat type tundish etc.Chinese patent CN1486800A discloses a kind of bulk amorphous alloys continuous casting rolling technology, this invention flows into the alloy solution flow of pouring mouth by the control of the stopper rod in the crucible, crucible closely contacts with pouring mouth, alloy solution flows in the roll gap of two counterrotating water-cooled rolls of its below by pouring mouth, condensation by the water-cooled roll and rolling forms amorphous ribbon.The maximum alloy of above-mentioned patent waters the alloy amount that fluence only is confined to a melting bag, can't realize that the continuous amorphous ribbon of many stoves alloy solution is produced, and has not therefore also just had the relevant issues of flume.
A patent application that is entitled as " a kind of continuous process units of amorphous ribbon " provides a kind of preparation method that can realize the continuous amorphous ribbon of many stoves alloy solution on the applicant, in the method, in order to realize the continuous pouring of many stoves, adopt the transition jockey of flume as cast induction furnace and pouring ladle.But the flume that this method provided can't be removed scum silica frost that alloy solution produces and the field trash in the alloy solution in smelting process.Owing in the smelting process of alloy solution, must carry out slag making and smelt, must produce more scum silica frost; Or, if the fusing foundry alloy also can produce scum silica frost inevitably; In addition, in alloy solution, also have a lot of field trashes.Therefore the removal and the eliminating of scum silica frost and field trash has very important significance to the production of amorphous ribbon.
Summary of the invention
The purpose of this invention is to provide a kind ofly in the production process of amorphous ribbon, can stop, get rid of the flume device of slag subsidiary from the alloy solution that of topple over.
For achieving the above object, the invention provides a kind of flume device, it is characterized in that described flume comprises: molten steel chute, ash pit, slag-drip opening, last slag trap and following slag trap; Wherein, slag-drip opening is positioned at the top of ash pit, and last slag trap is positioned at the downstream of ash pit, and following slag trap is positioned at the upstream of ash pit.
Wherein, alloy solution together is injected in the ash pit together with the slag that produces in smelting process, under the effect of slag trap and following slag trap, the smelting slag is blocked in the ash pit on described; When slag gathers to a certain degree, can discharge by slag-drip opening, alloy solution then by on behind slag trap and the following slag trap formation do not have the alloy solution of slag, this alloy solution is along steel flow concentrated flow mistake.
By to enforcement of the present invention, in the cast tapping, the scum silica frost that can get rid of discharge, stop scum silica frost to enter into the deficiency of cast link by flume, also can remove the large-scale field trash in the alloy solution, can make the continuous pouring direct motion more of amorphous ribbon, significant to the quality that improves amorphous ribbon.
Description of drawings
Fig. 1 is the schematic diagram of the deslagging structure of an embodiment of flume of the present invention.
Fig. 2 is the continuous production processes figure of the amorphous ribbon of one embodiment of the invention.
Fig. 3 goes up the structural representation of slag trap and corresponding A-A to cutaway view.
Fig. 4 is that the structural representation of down slag trap and corresponding A-A are to cutaway view.
The specific embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The present invention proposes a kind of flume device that can get rid of scum silica frost and field trash in the amorphous ribbon continuous flow procedure.
Fig. 1 is the schematic diagram of an embodiment deslagging of flume of the present invention structure.As can be seen from Figure 1, comprise molten steel chute 4, pouring ladle 5, pouring ladle stopper 6, sprue gate 9, ash pit 16, alloy solution 17, slag 18, slag-drip opening 19, slag plate 20 performs, following slag trap 21, pouring ladle cover plate 23, alloy solution 171, alloy solution 172, alloy solution 173.Wherein, slag-drip opening 19 is positioned at the top of ash pit 16, and last slag trap 20 is positioned at the downstream of ash pit 16, and following slag trap 21 is positioned at the upstream of ash pit 16.
The course of work of flume of the present invention is: will topple over the alloy solution that, and together with the slag 18 that produces in the smelting process, together be injected in the ash pit 16 of molten steel chute 4, decanting point is positioned near the left side, slag-drip opening 19 positions of following slag trap 21.The flow process of alloy solution is: topple over the alloy solution that, at first be injected in the ash pit 16, then under the barrier effect of following slag trap 21, cross down slag trap 21, under the barrier effect of last slag trap 20, slit or row's steel mouth by last slag trap 20 bottoms flow out, and cross the molten steel chute 4 that ash pit 16 enters inclination at last, enter into and flow into the cast link.In this process, change a kind of saying: alloy solution in ash pit 16 under the effect of slag trap 20 and following slag trap 21, smelt slag 18 and be blocked in the ash pit 16, pass through certain gathering, after the slag height surpassed the height of slag-drip opening 19, slag will be got rid of at slag-drip opening 19; Alloy solution 17 then forms the alloy solution 171 that does not have slag by last slag trap 20 and following slag trap 21, and the alloy solution 172 along molten steel chute 4 flows through flows into pouring ladle 5, forms the very little alloy solution 173 of turbulence.Tiny field trash can be assembled in pouring ladle, grow up and float.
In one embodiment, this flume also comprises a flume cover plate 22, plays insulation, prevents the effect that alloy solution is oxidized.
In one embodiment, the ash pit 16 of this molten steel chute 4 is the sunk type ash pit.In one embodiment, also comprise flume cover plate 22, be used for reducing the temperature drop and the effects such as oxidation that prevent alloy solution of alloy solution 172.
Wherein, described upper surface of going up slag trap 20 wants enough high, and in one embodiment, described upper surface is higher than more than the height 150mm of slag-drip opening 19, makes its height can stop slag 18 height that accumulate in the casting process in the ash pit 16.
Fig. 2 is the continuous production processes figure of an embodiment of amorphous ribbon of the present invention.As can be seen from Figure 2, flume of the present invention comprises panoramic table 1, melting induction furnace 2, cast induction furnace 3, molten steel chute 4, pouring ladle 5, pouring ladle stopper 6, temp measuring system 7, pouring ladle liquid level detection device 8, sprue gate 9, spray band bag 10, spray band bag liquid level detection system 11, nozzle 12, chill roll 13, amorphous ribbon 14, coiling machine 15, ash pit 16, alloy solution 17, slag 18, slag-drip opening 19, slag plate 20 performs, following slag trap 21, flume cover plate 22, pouring ladle cover plate 23, alloy solution 174.
Carry out amorphous ribbon when producing continuously, when melting induction furnace 2 carried out melting, cast induction furnace 3 carried out the pouring practice of alloy solution.By the revolution action of panoramic table 1, make melting induction furnace 2 and 3 trade-ofves of cast induction furnace, can realize continuously supply alloy solution to pouring ladle 5.Topple over the alloy solution that from cast induction furnace 3, together with 3 slags that in smelting process, produce 18 in the cast induction furnace, together be injected in the ash pit 16 of molten steel chute 4, on in deslagging 16 under the effect of slag trap 20 and following slag trap 21, smelt slag 18 and be blocked in ash pit interior 16, gather to a certain degree, can discharge by slag-drip opening 19, alloy solution 17 then can form the alloy solution 171 that does not have slag by last slag trap 20 and following slag trap 21, the alloy solution 172 that flows through along molten steel chute 4, flow into pouring ladle 5, form the very little alloy solution 173 of turbulence.Enter the alloy solution 173 of pouring ladle 5, by temperature survey and control system 7, the output power of induction furnace 3 is poured into a mould in control, makes alloy solution temperature maintenance substantially constant in pouring ladle 5 or the spray band bag 10.Alloy solution is injected in the spray band bag 10 by pouring ladle 5, and by spray band bag liquid level Detection ﹠ Controling device 11, the liquid level substantially constant in the spray band bag 10 is kept in the lifting of control control stream stopper 6.Alloy solution 174 in the spray band bag 10 is arranged into alloy solution on the chill roll 13 of rotation at a high speed via nozzle 12, and rapid condensation forms amorphous ribbon 14, by coiling machine 15 amorphous ribbon 14 is collected into the amorphous roll coil of strip, thereby realizes the continuous production of amorphous ribbon.
In one embodiment, described this molten steel chute 4 can be an integrative-structure with pouring ladle 5, also can be the branch body structure.
Certainly, the flume that this method provided not only is confined to the amorphous ribbon production process with panoramic table as shown in Figure 2, as long as have melting or melting furnace to topple over the amorphous ribbon production process of alloy solution, all is applicable to this method.
Fig. 3 goes up the structural representation of slag trap and corresponding A-A to cutaway view.Comprising last slag trap row steel mouth 26, last slag trap is arranged the steel filter screen 27 of making a slip of the tongue.
(a) upward the lower surface of slag trap 20 closely contacts with the bottom surface of ash pit 16, but has two holes in its underpart, is slag trap row steel mouth 26.
(b) upward the lower surface of slag trap 20 closely contacts with the bottom surface of ash pit 16, but has the hole at center, its underpart, is slag trap row steel mouth 26.
(c) upward the lower surface of slag trap 20 closely contacts with the bottom surface of ash pit 16, but has the hole at the two ends of its underpart, is slag trap row steel mouth 26, and inlays screen pack 25 in the slag trap row steel mouth 26 on this, is used for stopping that the field trash in the alloy solution flows through.
(d) upward the lower surface of slag trap 20 closely contacts with the bottom surface of ash pit 16, but has the hole at the two ends of its underpart, is slag trap row steel mouth 26.
(e) upward the lower surface of slag trap 20 closely contacts with the bottom surface of ash pit 16, but has the hole at center, its underpart, is slag trap row steel mouth 26, and inlays screen pack 25 in this time slag trap row steel mouth 24.
In one embodiment, a slit is left in the bottom surface of the lower surface of last slag trap 20 and ash pit 16, the height in this slit be down slag trap 21 height 1/5 to 4/5 between.In one embodiment, slag trap row steel mouth 26 can be one on this, or two, or more.By adopting the structure of above last slag trap 20, tiny field trash can be assembled, grow up and float in ash pit 16, also can be hunted down by screen pack 27 time, also can assemble, grow up and float in pouring ladle 5 at last.The discharge of slag, the purpose of sequence casting have been realized.
Fig. 4 is that the structural representation of down slag trap and corresponding A-A are to cutaway view.Comprising, following slag trap row steel mouth 24, the following slag trap row steel filter screen 25 of making a slip of the tongue.
(a) lower surface of slag trap 21 closely contacts with the bottom surface of ash pit 16 down, but has the hole at center, its underpart, is down slag trap row steel mouth 24.
(b) lower surface of slag trap 21 closely contacts with the bottom surface of ash pit 16 down, but have two holes in its underpart, be down slag trap row steel mouth 24, and following slag trap adopts hook formation, the direction of its hook is opposite with the direction of flow of solution, that is to say that the direction of its hook deviates from slag trap 20.
(c) lower surface of slag trap 21 closely contacts with the bottom surface of ash pit 16 down, but have the hole at center, its underpart, be slag trap row steel mouth 26, and inlay screen pack 25 in this time slag trap row steel mouth 24, be used for stopping that the field trash in the alloy solution flows through, and following slag trap adopts hook formation, and the direction of its hook deviates from slag trap 20.
(d) lower surface of slag trap 21 closely contacts with the bottom surface of ash pit 16 down, but has the hole at the center of its underpart, be down slag trap row steel mouth 24, and slag trap 21 adopts hook formation down, and the direction of its hook deviates from slag trap 20.
(e) lower surface of slag trap 21 closely contacts with the bottom surface of ash pit 16 down, but has the hole at the two ends of its underpart, is down slag trap row steel mouth 24.
(f) lower surface of slag trap 21 closely contacts with the bottom surface of ash pit 16 down, but the two ends in its underpart have the hole, are down slag trap row steel mouth 24, and inlay screen pack 25 in this time slag trap row steel mouth 24, and following slag trap adopts hook formation, and the direction of its hook deviates from slag trap 20.
Wherein, the upper surface of following slag trap 21 can not be too high, but its height is higher than the height of slag trap slit, 20 below or row's steel mouth 26.In one embodiment, the height of the upper surface of following slag trap 21 is to go up between slag trap slit, 20 below or row's steel mouth 26 height 1.1 to 5 times.
Wherein, last slag trap row steel mouth 26 is arranged steel mouth 24 not point-blank with following slag trap, that is to say, when alloy solution slag trap on passing through is arranged steel mouth 26 and following slag trap row steel mouth 24, detours, and can not lead directly to.Wherein, last slag trap 20 is positioned at the downstream of ash pit 16, and following slag trap 21 is positioned at the upstream of ash pit 16.
In one embodiment, this time slag trap row steel mouth 24 can be one, too many by two.Wherein, by adopting the structure of above following slag trap 21, tiny field trash can be assembled, grow up and float in ash pit 16, also can be hunted down by screen pack 25 time, also can assemble, grow up and float in pouring ladle 5 at last.The discharge of slag, the purpose of sequence casting have been realized.
In a word, the advantage of this invention is, realized slag automatic discharge, get rid of function, for many stoves continuously, uninterruptedly, production AMORPHOUS ALLOY RIBBONS stably lays a good foundation; Simple in structure, invest little; Can realize automatic slagging; Be suitable for suitability for industrialized production.
Be embodiments of the invention below.
Embodiment 1.
The slag-drip opening 19 aspect ratio alloy solutions 17 and 171 of ash pit 16 exceed 50mm, width 300mm; The mode in slit is adopted in last slag trap 20 belows, and this slit height is 20mm, and inlays screen pack 27 in this slit; Following slag trap 21 height 40mm adopt straight plate structure, and adopt central row steel mouth mode, following slag trap row steel mouth 24 long 40mm, and high 20mm, and do not inlay screen pack in this row's steel mouth.
Embodiment 2.
The slag-drip opening 19 aspect ratio alloy solutions 17 and 171 of ash pit 16 exceed 70mm, width 350mm; The mode in slit is adopted in last slag trap 20 belows, and this slit height is 15mm, and does not inlay screen pack in this slit; Following slag trap height 30mm adopts hook formation, and adopts central row steel mouth mode, following slag trap row steel mouth 24 long 30mm, and high 20mm, and adopt in this row's steel mouth and inlay screen pack 25.
The slag-drip opening 19 aspect ratio alloy solutions 17 and 171 of ash pit 16 exceed 100mm, width 350mm; Two row's steel mouths are adopted in last slag trap 20 belows, go up the limit portion that slag trap row steel mouth 26 is positioned at both sides, slag trap 20 below for these two, and it highly is 15mm, and width is 40mm, does not inlay screen pack in row's steel mouth 26; Following slag trap height 30mm adopts hook formation, adopts central row steel mouth mode, following slag trap row steel mouth 24 long 30mm, and high 20mm, and adopt in this row's steel mouth and inlay screen pack 25.
The amorphous ribbon technology of preparing is 21 century one of the most competitive technology, can improve the performance of material to a great extent, have the conventional alloys band the advantage that can not compare, therefore receive the concern energetically of countries in the world; And can realize the cast of long-time, many heats, realize the automatic eliminating of slag, to the continuous production that realizes amorphous ribbon, improve the quality of products, enhance productivity, reduce labour intensity, aspect such as energy-saving and cost-reducing has positive meaning.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a flume device is characterized in that, described flume comprises: molten steel chute (4), ash pit (16), slag-drip opening (19), last slag trap (20) and following slag trap (21); Wherein, slag-drip opening (19) is positioned at the top of ash pit (16), and last slag trap (20) is positioned at the downstream of ash pit (16), and following slag trap (21) is positioned at the upstream of ash pit (16);
Wherein, alloy solution together is injected in the ash pit (16) together with the slag that produces in smelting process, under the effect of slag trap (20) and following slag trap (21), smelts slag and be blocked in the ash pit (16) on described; When slag gathers to a certain degree, can pass through slag-drip opening (19) and discharge, alloy solution then forms the alloy solution that does not have slag behind slag trap (20) and the following slag trap (21) on passing through, and this alloy solution is along steel flow concentrated flow mistake.
2. flume device according to claim 1 is characterized in that, described flume also comprises flume cover plate (22).
3. flume device according to claim 1 is characterized in that, described upper surface of going up slag trap (20) is higher than the height of described slag-drip opening (19).
4. flume device according to claim 1 is characterized in that, there is a slit the described upward lower surface of slag trap (20) and the bottom surface of described ash pit (16); Or the lower surface of slag trap (20) closely contacts with the bottom surface of described ash pit (16) on described, but the bottom of slag trap (20) has the hole on this, and this hole is slag trap row steel mouth (26).
5. flume device according to claim 4 is characterized in that, the height in described slit be described down slag trap (21) height 1/5 to 4/5 between.
6. flume device according to claim 4 is characterized in that, inlays screen pack (27) in the slit of described upward slag trap (20) or the described row's steel mouth (26).
7. flume device according to claim 4 is characterized in that, the described upper surface of slag trap (21) down is higher than the described height of going up slag trap (20) slit, below or described row's steel mouth (26).
8. flume device according to claim 1 is characterized in that, the described lower surface of slag trap (21) down closely contacts with the bottom surface of ash pit (16), but has the hole in the bottom of this time slag trap (21), and this hole is down slag trap row steel mouth (24).
9. flume device according to claim 8 is characterized in that, inlays screen pack (25) in slag trap row's steel mouth (24) down described.
10. flume device according to claim 4 is characterized in that, the described lower surface of slag trap (21) down closely contacts with the bottom surface of ash pit (16), but has the hole in the bottom of this time slag trap (21), and this hole is down slag trap row steel mouth (24); Last slag trap row's steel mouth (26) is arranged steel mouth (24) not point-blank with described slag trap down, when promptly alloy solution slag trap on passing through is arranged steel mouth (26) with following slag trap row's steel mouth (24), can only detour, and can not lead directly to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101734668A CN102240784A (en) | 2011-06-24 | 2011-06-24 | Flow steel tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101734668A CN102240784A (en) | 2011-06-24 | 2011-06-24 | Flow steel tank |
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| CN102240784A true CN102240784A (en) | 2011-11-16 |
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| CN2011101734668A Pending CN102240784A (en) | 2011-06-24 | 2011-06-24 | Flow steel tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648068A (en) * | 2019-01-29 | 2019-04-19 | 大冶特殊钢股份有限公司 | A kind of induction heating tundish ladle canal and its means of defence |
| CN114029461A (en) * | 2021-10-13 | 2022-02-11 | 朗峰新材料(菏泽)有限公司 | Preparation facilities of high magnetic induction soft magnetic material amorphous ultra-thin area |
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| CN201760589U (en) * | 2010-09-19 | 2011-03-16 | 钦州永盛锰业有限公司 | Casting tundish |
| CN102000811A (en) * | 2010-12-10 | 2011-04-06 | 江西恒泰铝材有限公司 | Casting flow slot |
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| JPS6092054A (en) * | 1983-10-26 | 1985-05-23 | Nisshin Steel Co Ltd | Method and device for preventing slag inclusion in tundish for continuous casting |
| CN1546256A (en) * | 2003-12-04 | 2004-11-17 | 金毓林 | High-strength functional form filtration apparatus made of magnesium and its making process |
| CN2721285Y (en) * | 2004-07-21 | 2005-08-31 | 云南冶金集团总公司 | Liquid metal horizontal current stable casting bag |
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| CN201760589U (en) * | 2010-09-19 | 2011-03-16 | 钦州永盛锰业有限公司 | Casting tundish |
| CN101947643A (en) * | 2010-09-26 | 2011-01-19 | 南京钢铁股份有限公司 | Weir flow-control device for tundish |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648068A (en) * | 2019-01-29 | 2019-04-19 | 大冶特殊钢股份有限公司 | A kind of induction heating tundish ladle canal and its means of defence |
| CN114029461A (en) * | 2021-10-13 | 2022-02-11 | 朗峰新材料(菏泽)有限公司 | Preparation facilities of high magnetic induction soft magnetic material amorphous ultra-thin area |
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Application publication date: 20111116 |