CN102990023A - Nozzle for preparing high-flexibility amorphous thin belt - Google Patents
Nozzle for preparing high-flexibility amorphous thin belt Download PDFInfo
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- CN102990023A CN102990023A CN2012105832490A CN201210583249A CN102990023A CN 102990023 A CN102990023 A CN 102990023A CN 2012105832490 A CN2012105832490 A CN 2012105832490A CN 201210583249 A CN201210583249 A CN 201210583249A CN 102990023 A CN102990023 A CN 102990023A
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Abstract
The invention relates to a nozzle for preparing a high-flexibility amorphous thin belt. The nozzle comprises an arc-shaped spraying seam and is characterized in that size of a spraying seam radian d is relevant to spraying seam length L, spraying seam width D, belt thickness T, copper roller rolling speed V and the like, a relational expression is that d is in direct proportion to VLT/D1/2. The radian is made on the spraying seam intentionally, uneven cooling in a molten steel rapid solidification process is effectively compensated through a nonlinear compensation way, the nozzle can produce smooth amorphous belts with soft touch, continues production of the amorphous belts with high evenness and softness can be achieved, and the nozzle is particularly suitable for industrial production of the amorphous belts.
Description
Technical field
The present invention relates to prepare the nozzle of amorphous thin ribbon, relate in particular to a kind of nozzle for preparing the high-flexibility amorphous thin ribbon.
Background technology
Sixties Mo, the U.S. and Japan have invented the technology that single roller quench prepares AMORPHOUS ALLOY RIBBONS in succession, and the from then on manufacturing of amorphous alloy material has obtained developing rapidly, and has obtained commercial application.So-called single roller quench is exactly the surface that alloy solution is expelled to metallic crystal roller High Rotation Speed, that have refrigerating function by the slit of refractory material nozzle bottom, through the rapid condensation of crystallization roll, forms amorphous alloy strip.The condensation rate of crystallization roll alloy solution can be up to 105 ℃/and more than the s, the speed of alloy band is greater than 20m/s, tape thickness≤30 μ m, bandwidth is determined according to product specification.
Through retrieval, american documentation literature US4142571 discloses a kind of legacy equipment and method that is used to form continous metal strip, and it is under inert gas environment or equipment and the method for the production amorphous band realized under the vacuum tightness environment.American documentation literature US4154283 discloses the vacuum pressing and casting metal tape with a kind of method of producing amorphous band of the formation that reduces air blister defect.Japan Patent JP201136919A discloses the manufacture craft of amorphous alloy strip, namely adopts induction furnace to be cast straight to the preparation method who forms amorphous ribbon on the water cooled rolls.Chinese patent application publication number CN1691994A discloses a kind of method and apparatus for the production of amorphous alloy sheet, this patent has provided alloy solution and has been flowed out by the crucible outlet with heating element heater, enter interface channel and be sent to the slit of two rotating rollers, by forming amorphous alloy sheet after condensation, the extruding.Chinese patent application notification number 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 application publication number 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 plunger in the crucible, crucible and pouring mouth close contact, alloy solution flows into by pouring mouth in the roll gap of water-cooled roll of two opposite direction rotatings of its below, condensation by the water-cooled roll and rolling forms amorphous ribbon.
Above-mentioned patent has all only been narrated the process of producing band from production procedure, and can occur because inhomogeneous in a lateral direction curling of amorphous band that cause of stress distribution by the amorphous band that the method is produced, and band texture is relatively poor, and hardness is large, and is soft not.
The band material, preparation method that generally uses now is: extremely shown in Figure 2 such as Fig. 1, molten liquid steel is from spray band bag 1 nozzle 2 of flowing through, long and narrow spray seam 4 through nozzle 2 flows on the crystallizer 3 of High Rotation Speed, rapidly molten liquid steel is frozen into amorphous band, in this course the technological requirement cooling velocity 106 ℃/more than the s.As shown in Figure 3, because liquid is a large amount of internal stress of generation in being cooled to fast the solid process, adopt the spray seam of traditional design, can cause amorphous ribbon in forming process, cooling velocity is different, cause the internal stress of amorphous band to form in different size, thereby make the output amorphous band curling phenomenon occur.From band laterally, the middle type of cooling is the one dimension cooling, only conduct heat to copper roller radial direction, and both sides is the two dimension cooling, except to radially conducting heat on the direction, also conduct heat to axial direction.On the existing type of cooling, the cooling velocity of amorphous thin ribbon is that middle cooling is slower than both sides forever, and the alloy molten steel that is cast on the copper roller can produce contraction and stress in cooling procedure, because shrink inconsistent, cause stress distribution inhomogeneous, can make band produce curling phenomenon and inadequate soft feeling.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, a kind of nozzle for preparing the high-flexibility amorphous thin ribbon is provided.
For achieving the above object, the invention provides a kind of nozzle for preparing the high-flexibility amorphous thin ribbon.This nozzle comprises the spray seam of an arc, it is characterized in that, the size of described spray seam radian d is associated with spray seam length L, spray seam width D, thickness of strip T, copper roller roller speed V etc., and its relational expression is d ∝ VLT/D
1/2
Preferably, described spray seam radian d is directly proportional with copper roller roller speed V, is directly proportional with spray seam length L, and T is directly proportional with thickness of strip, is inversely proportional to spray seam width D, is directly proportional with the spray bandwidth.
The present invention deliberately makes a radian by spraying seam, mode by nonlinear compensation has effectively remedied the even situation of inhomogeneous cooling in the molten steel rapid solidification, and it is smooth to produce template by the nozzle of the present invention's design, soft amorphous band, thereby can realize high-flatness, the continuous production of the amorphous ribbon of high-flexibility is particularly suitable for the suitability for industrialized production of amorphous ribbon.
Description of drawings
Fig. 1 is traditional amorphous band process units schematic diagram;
Fig. 2 is nozzle spray seam place schematic diagram in the traditional amorphous band process units;
Fig. 3 is the amorphous band template schematic diagram of traditional amorphous band process units output;
Fig. 4 is the nozzle spray seam place schematic diagram according to the embodiment of the invention; And
Fig. 5 is the amorphous band template schematic diagram according to the output of the embodiment of the invention.
The specific embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Fig. 4 is the nozzle spray seam place schematic diagram according to the embodiment of the invention.
As shown in Figure 4, the present invention has done corresponding change with the structure of nozzle spray seam, the spray seam of nozzle is deliberately produced a radian, flow out first, spray the mode that flows out behind the molten steel at seam center by spray seam both sides molten steel and compensate because of the slow problem of fast, the middle cooling of crystallizer both sides cooling.This radian is to design according to the mode that the band of different in width is made different radians.Mainly be to design with the relation of the correlative factors such as spray seam length L, spray seam width D, thickness of strip T, copper roller roller speed V according to the size of spray seam radian d, its relational expression is d ∝ VLT/D
1/2Can be found out by relational expression, the radian of nozzle is directly proportional with the linear velocity of copper roller, is directly proportional with spray bandwidth size, is directly proportional with thickness of strip, is inversely proportional to spray seam width.
Following table is the design parameter that 4 specific embodiments adopt:
Can find out by above-mentioned 4 embodiment parameters, the radian of nozzle is directly proportional with the linear velocity of copper roller, is directly proportional with spray bandwidth size, is directly proportional with thickness of strip, is inversely proportional to spray seam width.As shown in Figure 5, more smooth by the amorphous thin ribbon that the embodiment of the invention is produced under given parameters, feel is more soft.
Can find out from the amorphous thin ribbon that above-mentioned 4 embodiment produce: originally because solidifying of the even amorphous band that causes of crystallizer inhomogeneous cooling in a lateral direction is inconsistent, so that stress distribution is inconsistent, and the curling problem of amorphous band template that causes.By enforcement of the present invention, to spray seam and deliberately make a radian, mode by nonlinear compensation has effectively remedied the even situation of inhomogeneous cooling in the molten steel rapid solidification, nozzle by the present invention's design can be produced smooth, the soft amorphous band of template, thereby can realize the continuous production of the amorphous ribbon of high-flatness, high-flexibility, be particularly suitable for the suitability for industrialized production of amorphous ribbon.
The amorphous ribbon technology of preparing is 21 century one of the most competitive technology, can improve to a great extent flatness, the pliability of amorphous band, has advantages of that the conventional alloys band can not compare, and therefore receives the energetically concern of countries in the world; The present invention has done a design that operability is very strong on traditional preparation method's basis, the change cost is little, resulting high planarization, flexibility amorphous band improve downstream client's product preparation efficiency to a great extent, save a large amount of manufacturing costs, to the preparation that realizes amorphous transformer, improve the quality of products, reduce labour intensity, the aspect such as save energy and reduce the cost has positive meaning.
The above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; the protection domain that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a nozzle for preparing the high-flexibility amorphous thin ribbon comprises that the spray of an arc is stitched, and it is characterized in that, the size of described spray seam radian d is stitched width D, thickness of strip T, copper roller roller speed V etc. with spray seam length L, spray and is associated, and its relational expression is d ∝ VLT/D
1/2
2. nozzle according to claim 1 is characterized in that, described spray seam radian d is directly proportional with copper roller roller speed V, is directly proportional with spray seam length L, and T is directly proportional with thickness of strip, is inversely proportional to spray seam width D, is directly proportional with the spray bandwidth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105832490A CN102990023A (en) | 2012-12-28 | 2012-12-28 | Nozzle for preparing high-flexibility amorphous thin belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105832490A CN102990023A (en) | 2012-12-28 | 2012-12-28 | Nozzle for preparing high-flexibility amorphous thin belt |
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| Publication Number | Publication Date |
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| CN102990023A true CN102990023A (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012105832490A Pending CN102990023A (en) | 2012-12-28 | 2012-12-28 | Nozzle for preparing high-flexibility amorphous thin belt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433803A (en) * | 2022-02-10 | 2022-05-06 | 郑州机械研究所有限公司 | Method for screening cooling speed of amorphous alloy strip |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0202336A1 (en) * | 1984-09-28 | 1986-11-26 | Nippon Kokan Kabushiki Kaisha | Process for producing a thin plate of a high ferrosilicon alloy |
| CN88202294U (en) * | 1988-04-06 | 1988-12-14 | 冶金工业部钢铁研究总院 | Device for rolling fast cooling thin metal belt |
| JPH09122839A (en) * | 1995-08-29 | 1997-05-13 | Mitsubishi Heavy Ind Ltd | Manufacture of thin steel strip |
| CN201098735Y (en) * | 2007-10-15 | 2008-08-13 | 孙瑞君 | Combined nozzle for amorphous belt device |
| CN202527675U (en) * | 2011-11-21 | 2012-11-14 | 滕州高科康纳合金材料有限公司 | Device for improving quality of amorphous magnetically soft alloy ribbon roller-sticking surface |
-
2012
- 2012-12-28 CN CN2012105832490A patent/CN102990023A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0202336A1 (en) * | 1984-09-28 | 1986-11-26 | Nippon Kokan Kabushiki Kaisha | Process for producing a thin plate of a high ferrosilicon alloy |
| CN88202294U (en) * | 1988-04-06 | 1988-12-14 | 冶金工业部钢铁研究总院 | Device for rolling fast cooling thin metal belt |
| JPH09122839A (en) * | 1995-08-29 | 1997-05-13 | Mitsubishi Heavy Ind Ltd | Manufacture of thin steel strip |
| CN201098735Y (en) * | 2007-10-15 | 2008-08-13 | 孙瑞君 | Combined nozzle for amorphous belt device |
| CN202527675U (en) * | 2011-11-21 | 2012-11-14 | 滕州高科康纳合金材料有限公司 | Device for improving quality of amorphous magnetically soft alloy ribbon roller-sticking surface |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433803A (en) * | 2022-02-10 | 2022-05-06 | 郑州机械研究所有限公司 | Method for screening cooling speed of amorphous alloy strip |
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Application publication date: 20130327 |