CN113322366A - Contact type rapid annealing equipment - Google Patents
Contact type rapid annealing equipment Download PDFInfo
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- CN113322366A CN113322366A CN202110592361.XA CN202110592361A CN113322366A CN 113322366 A CN113322366 A CN 113322366A CN 202110592361 A CN202110592361 A CN 202110592361A CN 113322366 A CN113322366 A CN 113322366A
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- 238000000137 annealing Methods 0.000 title claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 111
- 239000002184 metal Substances 0.000 claims abstract description 72
- 229910052751 metal Inorganic materials 0.000 claims abstract description 72
- 238000001816 cooling Methods 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 23
- 239000010439 graphite Substances 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000005300 metallic glass Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/02—Amorphous alloys with iron as the major constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses contact type rapid annealing equipment which comprises a conveying device, a heat treatment device, a cooling device and a winding device, wherein the heat treatment device comprises a metal/graphite composite material heating body, an atmosphere protection device is arranged at the contact part of the metal/graphite composite material heating body and a metal thin strip, the cooling device comprises a cooling cylinder, the metal thin strip is sent out from the conveying device, subjected to contact type annealing heat treatment by the heat treatment device, enters the cooling cylinder for cooling treatment, and finally is wound and recycled by the winding device. According to the invention, the annealing heat treatment is carried out on the metal thin strip by contact heating, the highest heating rate can reach 105-106K/s, the continuous rapid annealing can be realized, the annealing process flow is greatly shortened, the production efficiency is improved, the energy consumption is reduced, the hot working cost is reduced, and the method has important significance for actual production.
Description
Technical Field
The invention relates to the technical field of rapid heat treatment of metal materials, in particular to contact type rapid annealing equipment for a Fe-P-C-B amorphous metal thin strip.
Background
Annealing is a heat treatment process in which a metal is heated to a certain temperature, held for a certain time, and then cooled at an appropriate rate. The annealing heat treatment involves many process parameters, including annealing temperature, heating rate, holding time, cooling rate, atmosphere protection, and the like. Through proper annealing heat treatment, the optimization effects of releasing stress, improving material performance, generating a special microstructure and the like can be achieved, for example: the equipment provided by the invention is used for continuously and rapidly annealing the Fe-P-C-B amorphous metal ribbon, so that the internal stress can be released, alpha-Fe crystal grains are precipitated to form a highly fine nano structure, the saturation magnetization of the Fe-P-C-B amorphous metal ribbon is improved from 161.34emu/g to 172.76emu/g, the coercive force is reduced from 12.8A/m to 7.6A/m, the resistivity is improved from 185 mu omega cm to 200 mu omega cm, and the bending toughness is still maintained after annealing treatment, thereby having important significance for practical production.
At present, the annealing method of the iron-based amorphous metal ribbon commonly used in industry is performed in a heat treatment furnace, the whole furnace body is heated to enable the furnace to have annealing conditions with proper temperature, then workers use a rod-shaped carrier to serially connect the wound amorphous ribbons and put the amorphous ribbons into the heat treatment furnace, the carrier is taken out after the heat treatment is completed, the ribbon is unloaded, and then the heat treatment of the next batch of amorphous ribbons is performed again. This heat treatment method not only uses a large amount of energy and has a low production efficiency, but also requires a large amount of labor for the series connection of the amorphous ribbons anddisassembly even causes the risk of high-temperature scalding of workers, and accumulation of a large amount of heat treatment easily causes crystallization latent heat inside the amorphous alloy, and simultaneously generates Fe which is unfavorable to soft magnetic property3The (B, P, C) compound lowers the saturation magnetization of the alloy. In addition, the furnace annealing mode commonly used in the industry at present makes the amorphous strip brittle after annealing, and the amorphous strip is easy to break in the subsequent storage, transportation and transformer assembly processes, which is one of the problems limiting the wide application of the amorphous strip. In recent years, improving the annealing brittleness of amorphous alloys has become a key research object of extensive researchers.
Disclosure of Invention
The invention aims to provide contact type rapid annealing equipment which can improve the production efficiency, improve the material performance, reduce the cost of manpower and material resources, and is safe and environment-friendly.
The technical scheme adopted by the invention is as follows:
a contact type rapid annealing device comprises a conveying device 1, a heat treatment device 2, a cooling device 3 and a winding device 4 which are sequentially arranged, wherein the conveying device 1 comprises a conveying roller 11 and a metal thin strip 12, the metal thin strip 12 is wound on the conveying roller 11, and the movable end of the metal thin strip is connected with the winding device after passing through the heat treatment device and the cooling device;
the heat treatment device 2 comprises a heating body 21, a rotating shaft, a support and a heating source, wherein the heating body is of a circular ring structure, the heating body is rotatably arranged on the support through the rotating shaft, the heating source is arranged below the heating body, and the upper end surface of the heating body is in line contact with the metal thin strip;
the cooling device 3 comprises a cooling cylinder 31 and a cooling source, wherein a feed inlet and a discharge outlet are respectively arranged at two end parts of the cooling cylinder 31 and used for the metal thin strip to pass through, an inlet pipe 32 and an outlet pipe 33 are arranged at the bottom of the cooling cylinder, the inlet pipe is communicated with a gas outlet of the cooling source, and the outlet pipe is communicated with the atmosphere.
Still including atmosphere protection device 22, atmosphere protection device 22 including the cover body and protective gas air supply, the cover body cover is established in the top of heating member, and the both sides of the cover body also are provided with feed inlet and discharge gate that is used for the metal thin strip to pass through respectively, and is provided with fumarole 23 on one of them side of the other both sides of the cover body, the fumarole communicates with the gas outlet of protective gas air supply.
The heating body is a metal/graphite composite material heating body 21.
The heating body is characterized in that the metal in the heating body is iron or iron alloy, the graphite is flake graphite, and the volume ratio range of the metal to the graphite is 50-95: 5 to 50.
The heating device is characterized by also comprising a power device, wherein the power device is used for enabling the heating body to rotate in the direction opposite to the advancing direction of the metal thin strip.
The power device is a power motor, and an output shaft of the power motor is fixedly connected with the heating body.
When the Fe-P-C-B series iron-based amorphous metal thin strip 12 with the thickness of 15-30 mu m is annealed, the surface temperature of the metal/graphite composite material heating body 21 is required to reach at least 500 ℃, and the contact time between the metal thin strip 12 and the heating body 21 is required to be controlled within 0.3-1.2 s.
The protective gas source is formed by mixing one or more of argon and nitrogen.
According to the invention, the annealing heat treatment is carried out on the metal thin strip by contact heating, the highest heating rate can reach 105-106K/s, the continuous rapid annealing can be realized, the annealing process flow is greatly shortened, the production efficiency is improved, the energy consumption is reduced, and the hot working cost is reduced. Furthermore, the whole structure of the device is simple, the operation is easy, the requirement of large-scale industrial application can be met, and the device has important significance on actual production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the atmosphere protection device of the present invention;
FIG. 3 shows Fe in an embodiment of the present invention85P11C2B2Differential Scanning Calorimetry (DSC) profile of the amorphous ribbon at different heating rates;
FIG. 4 shows Fe in an embodiment of the present invention85P11C2B2X-ray diffraction (XRD) pattern of amorphous thin ribbon;
FIG. 5 shows Fe in an embodiment of the present invention85P11C2B2Hysteresis curve of amorphous ribbon.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 and 2, the invention comprises a conveying device 1, a heat treatment device 2, a cooling device 3 and a winding device 4 which are arranged in sequence, wherein the conveying device 1 comprises a conveying roller 11 and a metal thin strip 12, the metal thin strip 12 is wound on the conveying roller 11, and the movable end of the metal thin strip is connected with the winding device after passing through the heat treatment device and the cooling device; the winding device 4 includes a winding roller 41 and an annealed thin metal strip 42, and the annealed thin metal strip 42 is wound and collected by electric driving.
The heat treatment device 2 comprises a metal/graphite composite material heating body 21, a rotating shaft 23, a support 24 and a heating source (not shown in the figure), wherein the heating body is of a circular ring structure, the heating body is rotatably arranged on the support 24 through the rotating shaft 23, the heating source is arranged below the heating body, and the upper end face of the heating body 21 is in line contact with the metal thin strip 12; the metal thin strip 12 can be pulled to advance forwards by the winding force of the winding roller 41, the contact area of the heating body and the metal thin strip is realized by setting the contact position of the heating body and the metal thin strip, the height difference of the conveying roller and the winding roller 41 in the vertical direction, and as shown in the figure, the heights of the conveying device 1 and the winding device are both lower than the highest point height of the heat treatment device 2 on the platform 5.
The cooling device 3 comprises a cooling cylinder 31 and a cooling source, wherein a feed inlet and a discharge outlet are respectively arranged at two end parts of the cooling cylinder 31 and used for the metal thin strip to pass through, an inlet pipe 32 and an outlet pipe 33 are arranged at the bottom of the cooling cylinder, the inlet pipe is communicated with a gas outlet of the cooling source, and the outlet pipe is communicated with the atmosphere; the cooling source is arranged, so that the control of the cooling temperature can be well realized by controlling the air outlet rate of the cooling source.
Still including atmosphere protection device 22, atmosphere protection device 22 including the cover body and protective gas air supply (not shown in the figure), the cover body cover is established in the top of heating member, and the both sides of the cover body also are provided with feed inlet and discharge gate that is used for the metal thin strip to pass through respectively, and is provided with fumarole 23 on one of them side of the other both sides of the cover body, fumarole and protective gas air supply's gas outlet intercommunication. The contact part of the metal/graphite composite material heating body 21 and the metal thin strip 12 is provided with an atmosphere protection device 22, and the metal thin strips can be in an inert gas range in the annealing process by arranging the atmosphere protection device 22, so that the metal thin strips are prevented from reacting with air in the air.
The cooling device 3 comprises a cooling cylinder 31, an inlet pipe 32 and an outlet pipe 33 are arranged at the bottom of the cooling cylinder 31, the metal thin strip 12 is sent from the conveying device 1, subjected to contact annealing heat treatment by the heat treatment device 2, enters the cooling cylinder 31 for temperature reduction treatment, and finally is wound and recycled by the winding device 4.
The heating body is a metal/graphite composite material heating body 21. The metal in the heating body is iron or iron alloy, the graphite is flake graphite, and the volume ratio range of the metal to the graphite is 50-95: 5-50, the specific heat capacity of the heating body in the proportion range exceeds 500J/(kg.K), the heat conductivity coefficient is more than 60W/(m.K), and the heat conduction efficiency of the metal thin strip when the metal thin strip is contacted with the heating body can be ensured.
The heating device is characterized by also comprising a power device, wherein the power device is used for enabling the heating body to rotate in the direction opposite to the advancing direction of the metal thin strip. The power device comprises a power motor, and an output shaft 23 of the power motor is fixedly connected with the heating body. Through the arrangement of the power device, the heating body can rotate in the direction opposite to the advancing direction of the metal thin strip, so that the heating body is more compact under the action of reverse acting force when in contact with the metal thin strip, and the annealing effect is further improved.
The metal/graphite composite material heating body 21 is made of a high heat conduction material, and the volume ratio range of the metal thin strip 12 to the heating body 21 when in contact is 1: 105-108, making the metal thin strip 12 completely contact with the surface of the heating body 21, and then rapidly starting high-frequency thermal vibration of the internal atoms, thereby realizing the rapid annealing process of the metal thin strip 12.
The metal thin strip 12 is heated in a contact mode through the metal/graphite composite material heating body 21 to achieve annealing heat treatment, the temperature difference between the heating body and the metal thin strip is controlled to adjust the heating rate, the highest heating rate can reach 105-106K/s, the speed of the metal thin strip 12 passing through the metal/graphite composite material heating body 21 is controlled to adjust the annealing time, and the temperature of the heating body 21 is controlled to adjust the annealing temperature.
The results of DSC curve analysis and experimental characterization are combined to obtain that when the Fe-P-C-B series iron-based amorphous metal thin strip 12 with the thickness of 15-30 μm is annealed, the surface temperature of the metal/graphite composite material heating body 21 is required to reach at least 500 ℃, and the contact time between the metal thin strip 12 and the heating body 21 is required to be controlled within 0.3-1.2 s.
The gas injection holes 23 are used for introducing protective gas such as argon gas, nitrogen gas and the like into the atmosphere protection device 22, so that the metal thin strip 12 is annealed in a protective atmosphere, and hard magnetic phases which are unfavorable to soft magnetic performance are prevented from being precipitated by oxidation reaction.
In order to facilitate an understanding of the design of the present invention, reference will now be made in detail to the present invention with reference to the accompanying drawings and specific examples. The present invention may be embodied in other different forms than the embodiments described below, and it should be understood that the following embodiments are only illustrative and not restrictive of the scope of the present invention.
The metal thin strip 12 is sent from the conveying device 1, subjected to contact annealing heat treatment by the heat treatment device 2, enters the cooling cylinder 31 for temperature reduction treatment, and finally is wound and recovered by the winding device 4.
The specific embodiment of the invention: the contact type rapid annealing equipment provided by the invention is used for rapidly annealing the Fe85P11C2B2 amorphous metal thin strip with the thickness of 20 mu m and the width of 10mm, the surface temperature of the metal/graphite composite material heating body 21 is controlled to be 500-600 ℃, the contact time of the metal thin strip 12 and the heating body is controlled to be 0.3-1.2 s, as shown in figures 3, 4 and 5, the saturation magnetization intensity can be improved to 172.76emu/g from 161.34emu/g, the coercive force is reduced to 7.6A/m from 12.8A/m, the resistivity is improved to 200 mu omega cm from 185 mu omega cm, and the bending toughness is still maintained after annealing treatment.
The contact type rapid annealing equipment is different from the conventional industrial furnace annealing heat treatment mode, the metal thin strip is subjected to heat treatment through contact type heating, the highest heating rate can reach 105-106K/s, continuous rapid annealing can be realized, the annealing process flow is greatly shortened, the production efficiency is improved, the energy consumption is reduced, and the hot working cost is reduced. In addition, the contact type rapid annealing equipment has a simple structure, is easy to operate, can meet the requirement of large-scale industrial application, and has important significance for actual production.
After reading the basic principles, main features and advantages of the present invention, those skilled in the art should understand that the present invention is not limited by the above embodiments, and changes or modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claims of the present application. In order to facilitate an understanding of the design of the present invention, reference will now be made in detail to the present invention with reference to the accompanying drawings and specific examples. The present invention may be embodied in other different forms than the embodiments described below, and it should be understood that the following embodiments are only illustrative and not restrictive of the scope of the present invention.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the application of the principles of the technology. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the specific embodiments described herein, and may include more effective embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (8)
1. A contact type rapid annealing equipment is characterized in that: the device comprises a conveying device (1), a heat treatment device (2), a cooling device (3) and a winding device (4) which are sequentially arranged, wherein the conveying device (1) comprises a conveying roller (11) and a metal thin belt (12), the metal thin belt (12) is wound on the conveying roller (11), and the movable end of the metal thin belt is connected with the winding device after passing through the heat treatment device and the cooling device;
the heat treatment device (2) comprises a heating body (21), a rotating shaft, a support and a heating source, wherein the heating body is of a circular ring structure, the heating body is rotatably arranged on the support through the rotating shaft, the heating source is arranged below the heating body, and the upper end surface of the heating body is in line contact with the metal thin strip;
the cooling device (3) comprises a cooling cylinder body (31) and a cooling source, wherein a feeding hole and a discharging hole are formed in two end parts of the cooling cylinder body (31) respectively and used for allowing the metal thin strips to pass through, an inlet pipe (32) and an outlet pipe (33) are arranged at the bottom of the cooling cylinder body, the inlet pipe is communicated with a gas outlet of the cooling source, and the outlet pipe is communicated with the atmosphere.
2. The contact rapid annealing apparatus according to claim 1, wherein: still including atmosphere protection device (22), atmosphere protection device (22) including the cover body and protective gas air supply, the cover body cover is established in the top of heating member, and the both sides of the cover body also are provided with feed inlet and discharge gate that is used for the metal thin strip to pass through respectively, and is provided with fumarole (23) on one of them side of the other both sides of the cover body, the fumarole communicates with the gas outlet of protective gas air supply.
3. The contact rapid annealing apparatus according to claim 1, wherein: the heating body is a metal/graphite composite material heating body (21).
4. The contact rapid annealing apparatus according to claim 3, wherein: the heating body is characterized in that the metal in the heating body is iron or iron alloy, the graphite is flake graphite, and the volume ratio range of the metal to the graphite is 50-95: 5 to 50.
5. The contact rapid annealing apparatus according to claim 1, wherein: the heating device is characterized by also comprising a power device, wherein the power device is used for enabling the heating body to rotate in the direction opposite to the advancing direction of the metal thin strip.
6. The contact rapid annealing apparatus according to claim 5, wherein: the power device is a power motor, and an output shaft of the power motor is fixedly connected with the heating body.
7. The contact rapid annealing apparatus according to claim 1, wherein: when the Fe-P-C-B series iron-based amorphous metal thin strip (12) with the thickness of 15-30 mu m is annealed, the surface temperature of the metal/graphite composite material heating body (21) is required to reach at least 500 ℃, and the contact time between the metal thin strip (12) and the heating body (21) is required to be controlled within 0.3-1.2 s.
8. The contact rapid annealing apparatus according to any one of claims 1 to 7, wherein: the protective gas source is formed by mixing one or more of argon and nitrogen.
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| CN202110592361.XA CN113322366B (en) | 2021-05-28 | 2021-05-28 | Contact type rapid annealing equipment |
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| CN202110592361.XA CN113322366B (en) | 2021-05-28 | 2021-05-28 | Contact type rapid annealing equipment |
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| JPH04107221A (en) * | 1990-08-28 | 1992-04-08 | Nkk Corp | Device for cooling strip in continuous annealing furnace |
| CN102766750A (en) * | 2012-07-18 | 2012-11-07 | 常州市武进顺达精密钢管有限公司 | High-frequency induction type continuous annealing process and high-frequency induction type continuous annealing line for precision steel pipe |
| CN102812134A (en) * | 2009-11-19 | 2012-12-05 | 魁北克水电公司 | System And Method For Treating An Amorphous Alloy Ribbon |
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