CN202824574U - Metal nozzle for spraying amorphous alloy strips - Google Patents
Metal nozzle for spraying amorphous alloy strips Download PDFInfo
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- CN202824574U CN202824574U CN 201220576801 CN201220576801U CN202824574U CN 202824574 U CN202824574 U CN 202824574U CN 201220576801 CN201220576801 CN 201220576801 CN 201220576801 U CN201220576801 U CN 201220576801U CN 202824574 U CN202824574 U CN 202824574U
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Abstract
The utility model discloses a metal nozzle for spraying amorphous alloy strips, which is characterized by comprising a high-temperature-resistant metal body (1), wherein a nozzle slit (2) which is 0.2-1.2 mm wide and 0.5-1000 mm long and used as a nozzle outlet is machined in the metal body (1). The metal nozzle disclosed by the utility model is easy to machine, high in strength, good in toughness, capable of being repeatedly used for many times, and capable of being produced to be large in size and thus being not easy to be blocked. Simultaneously, the metal nozzle has the advantages of being high in safety and lower in cost; and the sprayed strips are good in surface quality, the metal nozzle is suitable for spraying wider strips, and the nozzle can be warmed up and heat-insulated via induction heating.
Description
Technical field
The utility model relates to a kind of metal sheet band manufacturing technology, especially a kind of jet nozzle for making of fast quenching amorphous attitude alloy thin band, specifically a kind of metallic nozzle of spray amorphous alloy ribbon.
Background technology
At present, the amorphous alloy soft magnetic materials is the nearly 30 years novel soft magnetic materials that grow up, this alloy has been substituted the Ni Fe perm magnetically soft alloy of most of high Ni content, in some silicon steel and the inefficient new application of ferrite, more and more used, this class magnetically soft alloy magnetic property is excellent, and manufacturing process flow is short, and manufacturing and use procedure are energy-conservation and environmentally friendly, more and more receive people's concern, output increases year by year.
At present amorphous alloy material mainly adopts single-roller rapid quenching with quenching production, and molten steel is cast in the amorphous alloy ribbon that obtains 20 40 micron thick on the chill roll of High Rotation Speed by nozzle.The width of alloy thin band depends on the mouth seam length of nozzle.And the thickness of band depends primarily on the width of the mouth seam of nozzle, the amorphous alloy strips that generally can obtain to meet the demands in 0.3 0.9 scopes of deleting.Nozzle is the critical process equipment part of producing amorphous alloy ribbon, also is the running stores that the non-crystaline amorphous metal strip is produced.Its quality, life-span and cost determination quality and the production cost of amorphous alloy ribbon.
Nozzle all uses nonmetallic materials in the prior art, and such as nitride and oxide ceramics etc., typical nozzle material is BN, Al
2O
3, SiO
2Deng.This can be confirmed in many open source literatures and Chinese patent 2000262156.8, Chinese patent 2000265925.5 and Chinese patent 2000263144.x.In fact the ceramic material that uses resistance to high temperature oxidation, has certain elevated temperature strength, wherein the aluminium oxide nozzle is prefabricated, and hard can not reprocessing behind the sintering makes troubles for actual the use; Seldom use.What use was more at present is the BN material, make the nozzle of required size and shape by the milling of BN blank, the mouth seam can be determined its size according to process requirements, because BN has good machinability, at present actual production uses this material to make nozzle substantially.Yet the nozzle of this class material has following shortcoming: 1, low, the poor toughness of mechanical strength, be easy to cracking, and elevated temperature strength is low, the easy broken bleed-out of nozzle; 2, the large scale blank is made difficulty, can not make the large scale nozzle; 3, price is high, reuses difficulty, and cost is high; 4, the impurity in the molten steel is easy to separate out plug nozzle at mouth seam place; This last shortcoming is very serious shortcoming.In order to obtain completely amorphous microstructure, nozzle must be a narrow slit, and general mouth seam width wants to obtain thinner amorphous ribbon in 0.3 0.9mm scope, will use narrower nozzle seam, yet the mouth seam is narrower, and nozzle more easily stops up.Because the low melting point impurity in the molten steel is easy to be easy to constantly separate out at the nozzle place of non-metallic material, gradually plug nozzle.So in the prior art, the spray band often interrupts because of the obstruction of nozzle, even keep reluctantly, also can make the surface quality degradation of band, so that the major defects such as burr, mesh occur.
Summary of the invention
The purpose of this utility model is poor for existing ceramic nozzle machinability, and precision is not high, and BN material nozzle strength is low, and the life-span is short, and susceptible to plugging problem designs a kind of metallic nozzle that adopts the spray amorphous alloy ribbon of refractory metal material making.
The technical solution of the utility model is:
A kind of metallic nozzle of spray amorphous alloy ribbon is characterized in that it comprises refractory metal body 1, and being processed with width at described metal body 1 is 0.2mm～1.2mm, and length is the mouth seam 2 as jet expansion of 0.5mm～1000mm.
Described metal body 1 is slab construction or slot type structure, and described mouth seam 2 is positioned at trench bottom or the dull and stereotyped centre of slot type structure.
Described metal body 1 is connected with the induction heating circle that heats for to whole nozzle, to improve mouth seam temperature on every side.
Described metal body 1 link to each other with crucible by the nozzle bag or directly and crucible be connected as a body.
Described metal body 1 is heat resisting steel, stainless steel, high temperature alloy or simple metal body.
The beneficial effects of the utility model:
The utility model adopts the manufacturing of metal or alloy material, especially selects the simple metal etc. of heat-resisting steel or stainless steel and resistance to high temperature oxidation to be more suitable for the high temperature spray and uses.Nozzle can be groove shape or tabular, and the schematic diagram of nozzle is seen shown in Fig. 1,2.Nozzle and nozzle bag also can be made one with nozzle bag or crucible by clamping or the mode of insert is connected.The nozzle that uses in the prior art all is nonmetallic materials, normal operation resistance to high temperature oxidation, the ceramic material with certain elevated temperature strength, but the shortcoming of above-mentioned material is too many, and the shortcoming that wherein is easy to plug nozzle is fatal.Because nozzle place temperature is lower, non-metallic inclusion in the molten steel and metal oxide etc. are easy to separate out at the low-temperature spray nozzle place of non-metallic material, cause jet size to reduce, gradually with spray nozzle clogging, in order to prevent that spray nozzle clogging from must improve the cleanliness factor of molten steel as far as possible, perhaps the temperature with nozzle improves, prevent from being mingled with and separate out, but what method of thermal recovery that adds of nozzle is again problem, the flame heating is difficult to prove effective at the nozzle place, because the flame heating is inwardly to be conducted heat by the outside nozzle is heated up, the roll surface speed of 25～30 meters/per second can be taken away heat and the blast-cold nozzle.And eddy-current heating is by the inside workpiece heat temperature raising, so eddy-current heating is the most effective to the heating of nozzle.Yet BN is nonmetallic materials, can't carry out eddy-current heating.Only have with metal material manufacturing nozzle and just may realize this purpose.Another shortcoming of BN nozzle is that intensity is very low under the high temperature, poor toughness.Because when band spray, roller mouth spacing was very little, about 0.3～0.5mm, the rotating speed of chill roll is very high, general 600～1100 turn/per minute, 25～30 meters/per second of linear velocity, small vibration will cause the collision of roller mouth, because the intensity of BN nozzle is low, poor toughness, be easy to cause nozzle cracked, in case nozzle is cracked, molten steel is outer rushing down in a large number, and spray is watered on the chill roll of High Rotation Speed, cause serious spray steel accident, become the hidden danger of safety in production; The BN material can't be made the large scale blank in addition, and the above broadband of spray 250mm will become restriction.The present price of BN material surpasses 1000 yuan/kilogram in addition, has seriously strengthened the manufacturing cost of non-crystaline amorphous metal.
Metallic nozzle of the present utility model has been avoided above shortcoming, especially adopts the metal and alloy materials of high temperature oxidation resisting, not only can satisfy the technological requirement of spray band, but also have the following advantages:
1, the material range of choice of metallic nozzle is roomy, can be simple metal, also can be heat resisting steel, stainless steel, high temperature alloy, special alloy etc.For different amorphous alloy components, and different spray band temperature, select suitable nozzle material, accomplish process lowest optimization.The high-melting-point non-crystaline amorphous metal adopts heat resisting steel and high temperature alloy to make nozzle; The non-crystaline amorphous metal of middle temperature fusing point adopts stainless steel and refractory steel to make nozzle, and low-melting non-crystaline amorphous metal adopts simple metal or stainless steel to make nozzle.
2, metal and alloy nozzle should not stop up, and this mainly is that metal guide is hot good, and thermograde is little between the molten steel, and the impurity in the molten steel is difficult for separating out at the nozzle place; And BN nozzle poor thermal conductivity, molten steel and nozzle external temperature gradient are large, and the impurity in the molten steel is easy to separate out at the lower nozzle place of temperature.Metallic nozzle can also adopt induction heating method temperature raising or insulation simultaneously, and the BN nozzle does not then have these advantages.
3, metallic nozzle is easy to processing, can be fit to make complicated nozzle arrangements, prevents distortion or satisfies various technological requirements; Simultaneously can make large-sized nozzle, make the amorphous band of the wider size of spray become possibility.
4, since the cost of most of metal material far below the cost of BN material, metallic nozzle can repeat to repair in addition, repeatedly uses, and can greatly reduce the nozzle cost, makes the production cost decrease of amorphous alloy strips.
Description of drawings
Fig. 1 is one of structural representation of the present utility model.
Fig. 2 is two of structural representation of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Embodiment one.
As shown in Figure 1.
A kind of metallic nozzle of spray amorphous alloy ribbon, it comprises high temperature resistant flute profile metal body 1, and being processed with width in the middle of the trench bottom of described flute profile metal body 1 is 0.2mm～1.2mm, and length is the mouth seam 2 as jet expansion of 0.5mm～1000mm.Flute profile metal body 1 is connected with the induction heating circle that heats for to whole nozzle, and improving the temperature around the mouth seam, it can link to each other with crucible or direct and crucible is connected as a body by the nozzle bag.High temperature resistant flute profile metal body 1 material therefor can be heat resisting steel, stainless steel, high temperature alloy or simple metal.
Embodiment two.
As shown in Figure 2.
A kind of metallic nozzle of spray amorphous alloy ribbon, it comprises high temperature resistant plate shaped metal body 1, and being processed with width in the centre of described plate shaped metal body 1 is 0.2mm～1.2mm, and length is the mouth seam 2 as jet expansion of 0.5mm～1000mm.Plate shaped metal body 1 can be connected with the induction heating circle that heats for to whole nozzle, and improving the temperature around the mouth seam, it can link to each other with crucible or direct and crucible is connected as a body by the nozzle bag.High temperature resistant plate shaped metal body 1 material therefor can be heat resisting steel, stainless steel, high temperature alloy or simple metal.
Example 1.
In small-sized single roller quartz ampoule spray carrying device, adopt the 1crl8Ni9Ti non-magnetic stainless steel tube, make the tubulose crucible of an end band nozzle, other end opening, crucible has the 1200Hz induction heating circle outward.Nozzle and crucible become one, and are beneficial to the gas that adds high pressure in crucible, realize spray.Jet size is: wide 0.4mm, long 20mm.Pressing atomic percent composition Fe78Si9B13 batching with ingot iron, industrial crystallization silicon and ferro-boron, is foundry alloy with the vacuum drying oven melting, foundry alloy is put into the crucible maximum temperature again and is heated to 1280 ℃, begins spray being higher than more than 1150 ℃.Comparative Examples condition and parameter are same as described above, do not exist together only to be crucible and nozzle employing quartz.Table 1 is listed both results contrast, contrasts visible metallic nozzle and has that the strip quality of ejection is high, handling safety, outstanding advantages that cost is low.
Example 2.
Ferrocolumbium, industrial crystallization silicon and ferro-boron and cathode copper with ingot iron, niobium content 60～68% are pressed 100 kilograms of atomic percent composition Fe73.5CulNb3Si13.5B9 batchings, be foundry alloy with the vacuum drying oven melting, secondary fusion in 2 bag methods spray carrying device, 1380 ℃ of tapping temperatures.Nozzle adopts the manufacturing of 0Cr25Ni20 heat resisting steel, the long 30mm of mouth seam, wide 0.5mm.The Comparative Examples process conditions are identical with parameter, and difference is that nozzle adopts the BN nonmetallic materials.Embodiment 2 sees Table 2 with the correction data of comparative example.Owing to effectively having stoped impurity in the steel the separating out of mouth seam place, the fineness of its band is higher than Comparative Examples, illustrates that surface quality of strips is improved by novel metal nozzle as seen from Table 2; Metallic nozzle can not broken simultaneously, thereby has stopped spray steel accident, and production security improves greatly.
Example 3
The large scale nozzle is made, adopt the heat-resisting guiding principle of ZG45Ni35Cr26 and 0Cr23Ni13 heat resisting steel and BN to make the large scale nozzle, because at present the manufacturing of the BN pottery of bulk is very difficult, be difficult to make greater than the blank of 250mm length, be a restriction to the nozzle of ultra broadband material production.The eddy-current heating insulation of this outer nozzle also can't be implemented, and this is another shortcoming of BN.There is significant difference in the performance of metallic nozzle and nonmetal nozzle as can be seen from Table 3, economy or technical no matter, and metallic nozzle has outstanding advantage.
The utility model does not relate to partly all, and the prior art that maybe can adopt same as the prior art is realized.
Claims (5)
1. the metallic nozzle of a spray amorphous alloy ribbon, it is characterized in that it comprises refractory metal body (1), being processed with width at described metal body (1) is 0.2mm～1.2mm, and length is the mouth seam (2) as jet expansion of 0.5mm～1000mm.
2. metallic nozzle according to claim 1 is characterized in that described metal body (1) is slab construction or slot type structure, and described mouth seam (2) is positioned at trench bottom or the dull and stereotyped centre of slot type structure.
3. metallic nozzle according to claim 1 is characterized in that described metal body (1) is connected with the induction heating circle that heats for to whole nozzle, to improve mouth seam temperature on every side.
4. metallic nozzle according to claim 1, it is characterized in that described metal body (1) links to each other with crucible by the nozzle bag or directly and crucible be connected as a body.
5. metallic nozzle according to claim 1 is characterized in that described metal body (1) is heat resisting steel, stainless steel, high temperature alloy or simple metal body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220576801 CN202824574U (en) | 2012-11-05 | 2012-11-05 | Metal nozzle for spraying amorphous alloy strips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220576801 CN202824574U (en) | 2012-11-05 | 2012-11-05 | Metal nozzle for spraying amorphous alloy strips |
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|---|---|
| CN202824574U true CN202824574U (en) | 2013-03-27 |
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| CN 201220576801 Expired - Fee Related CN202824574U (en) | 2012-11-05 | 2012-11-05 | Metal nozzle for spraying amorphous alloy strips |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909330A (en) * | 2012-11-05 | 2013-02-06 | 江苏锦宏有色金属材料有限公司 | Metal nozzle of spraying amorphous ribbon |
| CN104439131A (en) * | 2014-12-24 | 2015-03-25 | 江苏锴博材料科技有限公司 | Method for prolonging service life of amorphous band manufacturing BN nozzle |
| CN105903917A (en) * | 2016-05-30 | 2016-08-31 | 江苏国能合金科技有限公司 | Spray nozzle for spraying amorphous alloy ribbon |
| CN106216620A (en) * | 2016-08-30 | 2016-12-14 | 河南中岳非晶新型材料股份有限公司 | A kind of blowoff for making band and nozzle thereof |
-
2012
- 2012-11-05 CN CN 201220576801 patent/CN202824574U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909330A (en) * | 2012-11-05 | 2013-02-06 | 江苏锦宏有色金属材料有限公司 | Metal nozzle of spraying amorphous ribbon |
| CN104439131A (en) * | 2014-12-24 | 2015-03-25 | 江苏锴博材料科技有限公司 | Method for prolonging service life of amorphous band manufacturing BN nozzle |
| CN105903917A (en) * | 2016-05-30 | 2016-08-31 | 江苏国能合金科技有限公司 | Spray nozzle for spraying amorphous alloy ribbon |
| CN106216620A (en) * | 2016-08-30 | 2016-12-14 | 河南中岳非晶新型材料股份有限公司 | A kind of blowoff for making band and nozzle thereof |
| CN106216620B (en) * | 2016-08-30 | 2019-04-26 | 河南中岳非晶新型材料股份有限公司 | It is a kind of for making the ejection device and its nozzle of band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20161105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |