Background technology
Fe-based amorphous band after the Technology for Heating Processing through applicable due to its uniqueness nanocrystalline/amorphous double structure has that high saturation magnetic flux density, high magnetic permeability, iron loss are little, the soft magnet performance of the high excellence of resistivity concurrently, be widely used at present distribution transformer industry, along with the release of national energy-saving reduction of discharging policy, its consumption is increasing year by year.
Amorphous alloy strips is that aluminium alloy through melting is with 10
6℃/strip of the cooling formation of speed of s.Its concrete preparation process is: the aluminium alloy of certain ingredients proportioning melts in smelting furnace, calm and the insulation through tundish, flows in spray bag, and the aluminium alloy in spray bag is by narrow and small gap, one of its bottom, flow on atwirl chill roll, form amorphous thin ribbon and throw away.Coiling machine moment is caught strip, and through buffering and the adjustment of pressure roller, coiling machine enters the state that synchronously batches.
Fe-based amorphous band material component be take Fe element as main, adds in addition a small amount of amorphous formation elements Si, B, through rapid condensation technique, forms a kind of amorphous material.Wherein the mass percent of Fe accounts for more than 90%, under summer super-humid conditions, the amorphous iron core being prepared from by amorphous band, steam induction amorphous band surface oxidation strengthens, cause the core loss of making to increase, as being that the core loss of depositing preparation under 20-40% environment is 0.16-0.19W/kg in humidity, and be under 65-85%, to deposit the core loss >0.20W/kg of preparation in humidity, the deterioration of its loss can cause the transformer power consumption of assembling significantly to increase.
Summary of the invention
The object of the invention is to overcome amorphous band and is subject to environment temperature and humidity to affect large, oxidizable shortcoming, thereby preparation method and the device thereof of the Fe-based amorphous band that a kind of non-oxidizability is strong are provided.
In first aspect, the invention provides the preparation method of the Fe-based amorphous band that a kind of non-oxidizability is strong.The method comprises: the Fe-based amorphous band that crystallizer is thrown away cushions and adjusts; Fe-based amorphous strip surface by buffering and after adjusting is smeared polyphenoils; Fe-based amorphous band after having smeared is batched to rolling.
In second aspect, the invention provides the preparation facilities of the Fe-based amorphous band that a kind of non-oxidizability is strong.This device comprises: pressure roller, cushions and adjusts for the Fe-based amorphous band that crystallizer is thrown away; Application device, smears polyphenoils for the Fe-based amorphous strip surface by buffering and after adjusting; Devices for taking-up, for batching rolling by the Fe-based amorphous band after having smeared.
The present invention at strip surface spraying polyphenoils, plays isolated air effect by online, to improve amorphous band oxidation resistance, reduces amorphous band performance sensitivity to humidity under varying environment.And the process of smearing is carried out in band production process, can enhance productivity, also convenient operation and production simultaneously.
The specific embodiment
In order to make those skilled in the art person better understand the technical scheme in the embodiment of the present invention, and the above-mentioned purpose of the embodiment of the present invention, feature and advantage can be become apparent more, below by drawings and Examples, technical scheme of the present invention is described in further detail.Obviously, described embodiment is only the present invention's one circuit embodiments, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is according to preparation method's flow chart of the strong Fe-based amorphous band of the non-oxidizability of the embodiment of the present invention.
In step 301, the Fe-based amorphous band that crystallizer is thrown away cushions and adjusts.
In step 302, Fe-based amorphous band upper surface and lower surface by buffering in step 301 and after adjusting are evenly coated with and spread polyphenoils.In embodiments of the present invention, the polyphenoils of smearing is oily matter, as gasoline or kerosene.
In step 303, the Fe-based amorphous band after having smeared in step 302 is batched to rolling.
Fig. 2 is according to the preparation facilities schematic diagram of the strong Fe-based amorphous band of the non-oxidizability of the embodiment of the present invention.
The preparation facilities of the Fe-based amorphous band that as shown in Figure 2, the non-oxidizability of the embodiment of the present invention is strong comprises crystallizer 1, pressure roller 2, the first application device 3, the second application device 4 and devices for taking-up 5.Crystallizer 1, for quick cooling non-crystaline amorphous metal liquid, forms amorphous alloy strips and throws away.Pressure roller 2 cushions and adjusts for the Fe-based amorphous band that crystallizer is thrown away, and sets up constant tension force, so that the stable application device 3 that enters of band.The first application device 3 is for smearing polyphenoils on the Fe-based amorphous band upper surface by buffering and after adjusting; The second application device 4 is for smearing polyphenoils on the Fe-based amorphous band lower surface by buffering and after adjusting; Devices for taking-up 5 is for batching rolling by the Fe-based amorphous band after having smeared.Wherein, in embodiments of the present invention, the direction of rotation of the first application device 3 and the second application device 4, in Fig. 2, set the direction of ribbon motion to the right, the first application device 3 is for clockwise rotating, and the second application device 4 is for rotating counterclockwise, to guarantee the stable devices for taking-up 5 that enters of band.
The Fe-based amorphous band aluminium alloy of certain ingredients proportioning melts in smelting furnace, calm and the insulation through tundish, flow in spray bag, aluminium alloy in spray bag is by a narrow and small gap of its bottom, flow on atwirl crystallizer 1, rapid cooling formation amorphous thin ribbon throws away, buffering and adjustment through pressure roller 2, enter the first application device 3, band upper surface is coated with and spreads polyphenoils, enter the second application device 4, band lower surface is coated with and spreads polyphenoils, isolated air, to improve amorphous band oxidation resistance, finally pass through devices for taking-up 5 by strip reeling.
As shown in Fig. 3, Fig. 3-A, Fig. 3-B, the application device of the embodiment of the present invention comprises logical axle 11, axle sleeve 22, belt wheel 33, motor 44, belt wheel 55, driving-belt 66 and fixed mount 77.Logical axle 11 is fixed by fixed mount 77, and axle sleeve 22 is located in logical axle 11, and axle sleeve 22 one end are provided with belt wheel 33, and motor 44 one end are provided with belt wheel 55, when motor 44 rotates, by driving-belt 66, drives axle sleeve 22 to rotate.Wherein, in embodiments of the present invention, axle sleeve 22 rotational line speed are greater than band transmission speed, to guarantee that the polyphenoils of application device ejection evenly spreads upon band upper and lower surface.In logical axle 11, be uniformly distributed the gap of 4 wide sizes, on axle sleeve 22, be uniformly distributed the gap of 12 0.1mm.Flow out in the gap of 4 the wide sizes of polyphenoils (oily matter) in logical axle 11, then the gap ejection of 12 0.1mm on warp beam sleeve 22 whole body, evenly spreads upon Fe-based amorphous strip surface.
Specific embodiment 1
When producing the Fe-based amorphous band that width is 140mm, choosing kerosene is baste, injects application device center, and flow out in 4 wide gaps in logical axle, then the gap ejection of 12 0.1mm on the warp beam sleeve whole body evenly spreads upon band positive and negative.Band by the band that does not carry out smearing on surface and after smearing is got respectively the loose band of a part and is carried out oxidation and rusting experiment, and result is as shown in the table.
Specific embodiment 2
When producing the Fe-based amorphous band that width is 145mm, choosing gasoline is baste, injects application device center, and flow out in 4 wide gaps in logical axle, then the gap ejection of 12 0.1mm on the warp beam sleeve whole body evenly spreads upon band positive and negative.Band by the band that does not carry out smearing on surface and after smearing is got respectively the loose band of a part and is carried out oxidation and rusting experiment, and result is as shown in the table.
In sum, amorphous band carries out online surface and smears oily matter, and coated membrane even thickness forms layer protecting film in strip surface, and isolated air, plays the effect that prevents band oxidation and rusting.The process of smearing is carried out in band production process, has improved production efficiency, also convenient operation and production simultaneously.
The above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being 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., within all should being included in protection scope of the present invention.