CN116065016A - Annealing device for cold-rolled non-oriented electrical steel thin strip - Google Patents
Annealing device for cold-rolled non-oriented electrical steel thin strip Download PDFInfo
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- CN116065016A CN116065016A CN202310152243.6A CN202310152243A CN116065016A CN 116065016 A CN116065016 A CN 116065016A CN 202310152243 A CN202310152243 A CN 202310152243A CN 116065016 A CN116065016 A CN 116065016A
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- 238000000137 annealing Methods 0.000 title claims abstract description 70
- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 24
- 239000000446 fuel Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 230000001681 protective effect Effects 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 13
- 239000002994 raw material Substances 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 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
- 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
- C21D9/663—Bell-type furnaces
-
- 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
- C21D1/34—Methods of heating
- C21D1/52—Methods of heating with flames
-
- 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
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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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1233—Cold rolling
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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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1272—Final recrystallisation annealing
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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
- 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
- C21D9/663—Bell-type furnaces
- C21D9/673—Details, accessories, or equipment peculiar to bell-type furnaces
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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
- 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
- C21D9/663—Bell-type furnaces
- C21D9/677—Arrangements of heating devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Materials Engineering (AREA)
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- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention provides an annealing device for cold-rolled non-oriented electrical steel thin strips, which comprises: the furnace comprises a bottom plate, wherein a furnace seat is fixedly arranged on the top surface of the bottom plate, a furnace body is arranged on the top surface of the furnace seat, a plurality of supporting bars are fixedly arranged on the inner circular wall surface of the furnace body, an inner furnace is arranged in the furnace body, and one end of each supporting bar is fixedly arranged on the outer circular wall surface of the inner furnace; the annealing assembly is arranged on the outer circular wall surface of the furnace body and is used for annealing the cold-rolled non-oriented electrical steel thin strip, the annealing assembly is arranged, the cold-rolled non-oriented electrical steel thin strip can be annealed through the annealing assembly, and protective gas can be filled into the annealing assembly during single annealing, and the oxidation-resistant coating is washed away in the furnace before secondary annealing, so that the cold-rolled non-oriented electrical steel thin strip does not need to be taken out after single annealing, annealing procedures are reduced, and the working efficiency is increased.
Description
Technical Field
The invention relates to the field of treatment equipment, in particular to an annealing device for a cold-rolled non-oriented electrical steel thin strip.
Background
With the wide application of the frequency conversion energy saving technology, the thickness specification of the cold rolled non-oriented silicon steel product is reduced from 0.35mm to 0.30mm, 0.25mm, 0.20mm and 0.15mm until the thickness of the product is extremely thin, the thinner the thickness of the product is, the more frequent the continuous annealing process is to interrupt the strip, the lower the yield and the production efficiency are, the production cost is greatly improved, the difficulty is brought to the production, the annealing process is that the bell type furnace annealing is adopted, the oxidizing aqueous solution is sprayed on the surface of the cold rolled steel strip, the protective gas is introduced for annealing, and the oxidizing coating is washed off by adopting the acidic aqueous solution after single annealing, and the annealing is continued to finish the operation.
For example, according to chinese patent with publication number CN208517464U, a bright hood type annealing furnace, its technical scheme main points are including the stove top, set up cooling hood on the stove top, cover and establish the heating hood outside the cooling hood, set up a plurality of heating pipes in the heating hood, the vertical equidistant distribution of heating pipe installation is in the inner wall circumference position of heating hood, is provided with the bearing between heating hood and the cooling hood, is provided with the ring gear on the outer wall of heating hood, still be fixed with on the stove top and be used for driving ring gear pivoted actuating mechanism, actuating mechanism includes the motor, is connected in the driving gear that the motor is used for with the ring gear meshing, the motor is fixed in on the stove top through the support, has the reduction electrothermal tube quantity, practices thrift the cost, strong to the fault adaptability, the effect that the heat preservation equilibrium is high.
However, the above scheme still has the defects: the hood-type annealing furnace cannot inject protective gas or acid solution into the steel belt in the furnace in the actual use process, so that the furnace body is required to be opened after single annealing, the steel belt is taken out for treatment and then secondary annealing can be performed, the operation procedure is increased, and the workload is increased.
Disclosure of Invention
The invention aims to provide an annealing device for cold-rolled non-oriented electrical steel thin strips, which solves the problems or at least partially solves the problems, and solves the problems that the cover annealing furnace cannot inject protective gas or acid solution into steel strips in the furnace in the actual use process, so that a furnace body is required to be opened after single annealing, and the steel strips can be taken out for secondary annealing after being treated, so that the operation procedures are increased, and the workload is increased.
In order to achieve the above purpose, the technical scheme of the invention is specifically realized as follows:
the invention provides an annealing device for a cold-rolled non-oriented electrical steel thin strip, which comprises the following components: the furnace comprises a bottom plate, wherein a furnace seat is fixedly arranged on the top surface of the bottom plate, a furnace body is arranged on the top surface of the furnace seat, a plurality of supporting bars are fixedly arranged on the inner circular wall surface of the furnace body, an inner furnace is arranged in the furnace body, and one end of each supporting bar is fixedly arranged on the outer circular wall surface of the inner furnace; and the annealing assembly is arranged on the outer circular wall surface of the furnace body and is used for annealing the cold-rolled non-oriented electrical steel thin strip.
Through adopting above-mentioned technical scheme, through setting up annealing subassembly, can carry out the annealing to cold-rolled non-oriented electrical steel thin strip through annealing subassembly, and can fill shielding gas to inside when annealing single annealing to and wash away the oxidation-resistant coating in the stove before secondary annealing, thereby need not will take out cold-rolled non-oriented electrical steel thin strip after single annealing, reduce annealing process, increased work efficiency.
As a further aspect of the present invention, the annealing assembly includes: the two fuel cylinders are fixedly installed on the left side and the right side of the outer circular wall surface of the furnace body respectively, a liquid ring pump is fixedly installed on the left side and the right side of the outer circular wall surface of the furnace body, a conveying steel pipe is fixedly installed on the bottom surface of the fuel cylinder, a diffuser is fixedly sleeved on the inner fixing sleeve of the mounting hole, a variable frequency motor is fixedly installed on the bottom surface of the diffuser, two conveying pipes are arranged on the top surface of the furnace body, one end of each conveying steel pipe penetrates through the outer circular wall surface of the furnace body and extends to the inside of the furnace body, an air nozzle is fixedly installed on one end of each conveying steel pipe, an air compressor is fixedly installed on the outer circular wall surface of the furnace body, one end of an air outlet pipe of the air compressor penetrates through the outer circular wall surface of the furnace body and extends to the inside of the furnace body, two mounting holes are formed in the top surface of the furnace body, a water valve is fixedly installed on the top surface of the air pipe, one end of each conveying pipe penetrates through the top surface of the furnace body, a water valve is fixedly installed on the top surface of the water valve is installed on the top surface of the furnace body, and the water valve is fixedly installed on the top surface of the water valve.
Through adopting above-mentioned technical scheme, through setting up the fuel section of thick bamboo, provide fuel and spray the steel band in the interior stove of flame heating for air nozzle through the fuel section of thick bamboo, and provide the air that makes its burning by air compressor continuously, then have the bottom diffusion of interior stove to whole interior stove with the heating scope of air nozzle through the diffuser, make it even promptly, and can be respectively for interior stove's inside transport the required shielding gas of annealing and liquid raw materials through the conveying pipe before, during the back of heating, thereby need not will take out cold rolling unoriented electrical steel ribbon after single annealing, thereby reduce annealing process, work efficiency has been increased.
As a further scheme of the invention, the top surface of the furnace seat is provided with a mounting groove, a driving motor is fixedly sleeved in the mounting groove, an oil seal is arranged between a driving shaft of the driving motor and the mounting groove, one end of the driving shaft of the driving motor is fixedly provided with a stirring blade, the top surface of the furnace seat is fixedly provided with two supporting columns, a placing plate is arranged above the furnace seat, the supporting columns are fixedly arranged with the bottom surface of the placing plate, and the top surface of the placing plate is provided with a plurality of circular through holes.
Through adopting above-mentioned technical scheme, through setting up the stirring leaf, can pour into liquid raw materials into at the interior stove through the stirring leaf and stir it for liquid raw materials fully contacts with the steel band, better washing off the oxide layer on steel band surface, later can be through the second water valve will steal the raw materials discharge too.
As a further scheme of the invention, the top surface of the furnace seat is provided with a sealing groove, the inside of the sealing groove is fixedly sleeved with a sealing strip, and the inner furnace is movably sleeved with the inside of the sealing groove.
Through adopting above-mentioned technical scheme, through setting up the sealing strip, can guarantee the inside leakproofness of interior stove through the sealing strip, prevent that gas or liquid from spilling over.
As a further scheme of the invention, a filter screen is fixedly sleeved in the air holes.
Through adopting above-mentioned technical scheme, through setting up the filter screen, impurity when can filtering the burning through the filter screen prevents to discharge in the air.
As a further scheme of the invention, limiting plates are fixedly arranged on the left side and the right side of the outer circular wall surface of the furnace body, limiting holes are formed in the top surface of the limiting plates, two limiting rods are fixedly arranged on the top surface of the bottom plate, and the limiting rods are movably sleeved with the limiting holes.
Through adopting above-mentioned technical scheme, through setting up the gag lever post, establish through gag lever post and spacing hole movable sleeve, can play spacing effect to the furnace body for the mounting structure of furnace body is more stable.
As a further scheme of the invention, a plurality of fixing holes are formed in the top surface of the chassis of the furnace body, bolts are movably sleeved in the fixing holes, and one ends of the bolts penetrate through the fixing holes and are in threaded connection with the top surface of the bottom plate.
Through adopting above-mentioned technical scheme, through setting up the bolt, through the top surface threaded connection that passes fixed orifices and bottom plate to it is fixed with furnace body and bottom plate.
As a further scheme of the invention, the top surface of the furnace body is fixedly provided with the supporting blocks.
Through adopting above-mentioned technical scheme, through setting up the riding block, through tying up the lifting rope to the riding block, the outside loop wheel machine of being convenient for opens the furnace body.
The invention provides an annealing device for cold-rolled non-oriented electrical steel thin strips, which has the beneficial effects that:
through setting up the fuel section of thick bamboo, provide fuel and spray the steel band in the flame heating interior stove for air nozzle through the fuel section of thick bamboo, and provide the air that makes its burning continually by air compressor, then have the bottom diffusion of interior stove to whole interior stove with the heating scope of air nozzle, make it even promptly, and can all be for interior stove's inside transport the required shielding gas of annealing and liquid raw materials through the conveying pipe respectively after heating, thereby need not take out cold rolling non-oriented electrical steel ribbon after single annealing, thereby reduce annealing process, increased work efficiency.
Through setting up the stirring leaf, can pour into liquid raw materials into the interior stove through the stirring leaf and stir it for liquid raw materials fully contacts with the steel band, better washing off the oxide layer on steel band surface, can be later through the second water valve will steal the raw materials discharge too.
Through setting up the sealing strip, can guarantee the inside leakproofness of interior stove through the sealing strip, prevent that gas or liquid from spilling over, through setting up the filter screen, impurity when can filtering the burning through the filter screen prevents to discharge in the air.
Through setting up the gag lever post, establish through gag lever post and spacing hole movable sleeve, can play spacing effect to the furnace body for the mounting structure of furnace body is more stable, through setting up the bolt, through the top surface threaded connection that passes fixed orifices and bottom plate, thereby with furnace body and bottom plate fixed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic diagram of a split structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a support bar according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a supporting block structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a mounting hole structure according to an embodiment of the present invention;
FIG. 6 is a schematic view of a seal groove structure according to an embodiment of the present invention;
fig. 7 is a schematic view of a mounting groove structure according to an embodiment of the present invention.
In the figure: 1. a bottom plate; 2. a furnace seat; 3. a furnace body; 4. a support bar; 5. an inner furnace; 6. a fuel cartridge; 7. a liquid ring pump; 8. an air nozzle; 9. an air compressor; 10. a mounting hole; 11. a diffuser; 12. a feed pipe; 13. a first water valve; 14. an air valve; 15. discharging pipes; 16. a second water valve; 17. ventilation holes; 18. a mounting groove; 19. a driving motor; 20. stirring the leaves; 21. a support column; 22. placing a plate; 23. sealing grooves; 24. a sealing strip; 25. a filter screen; 26. a limiting plate; 27. a limiting hole; 28. a limit rod; 29. a fixing hole; 30. a bolt; 31. and (5) supporting blocks.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1, fig. 2, fig. 3, fig. 5 and fig. 7, the annealing device for cold-rolled non-oriented electrical steel thin strip provided by the embodiment of the invention comprises a bottom plate 1, a furnace seat 2 is fixedly arranged on the top surface of the bottom plate 1, a furnace body 3 is arranged on the top surface of the furnace seat 2, a plurality of supporting bars 4 are fixedly arranged on the inner circular wall surface of the furnace body 3, an inner furnace 5 is arranged in the furnace body 3, one end of the supporting bars 4 is fixedly arranged on the outer circular wall surface of the inner furnace 5, an annealing component is arranged on the outer circular wall surface of the furnace body 3 and used for annealing the cold-rolled non-oriented electrical steel thin strip, the annealing component comprises two fuel cylinders 6, the two fuel cylinders 6 are respectively fixedly arranged on the left side and the right side of the outer circular wall surface of the furnace body 3, liquid ring pumps 7 are fixedly arranged on the left side and the right side of the outer circular wall surface of the furnace body 3, the liquid ring pumps 7 are not repeated in the prior structure, conveying steel pipes are fixedly arranged on the bottom surface of the fuel cylinders 6, one end of a material pumping port of the conveying steel pipe and the liquid ring pump 7 is fixedly arranged, one end of a material discharging port of the liquid ring pump 7 is fixedly provided with a feeding steel pipe, one end of the feeding steel pipe penetrates through the outer circular wall surface of the furnace body 3 and extends to the inside of the furnace body 3, one end of the feeding steel pipe is fixedly provided with an air nozzle 8, the air nozzle 8 is of a conventional structure and is not described in detail herein, the outer circular wall surface of the furnace body 3 is fixedly provided with an air compressor 9, the air compressor 9 is of a conventional structure and is not described in detail herein, one end of an air outlet pipe of the air compressor 9 penetrates through the outer circular wall surface of the furnace body 3 and extends to the inside of the furnace body 3, the top surface of the furnace seat 2 is provided with two mounting holes 10, the mounting holes 10 extend to the outer circular wall surface of the furnace seat 2, a diffuser 11 is fixedly sleeved in the inside of the mounting holes 10, the diffuser 11 is not described in detail herein, the bottom surface of the diffuser 11 is fixedly provided with a variable frequency motor, the top surface of furnace body 3 is provided with two conveying pipes 12, the top surface of furnace body 3 is passed to one end of conveying pipe 12 and the top surface fixed mounting of interior stove 5, conveying pipe 12 is linked together with the inside of interior stove 5, wherein the other end fixed mounting of conveying pipe 12 has first water valve 13, first water valve 13 is for having the structure and do not do nothing in here, the other end fixed mounting of another conveying pipe 12 has pneumatic valve 14, pneumatic valve 14 is for having the structure and do not do nothing in here, the outer circular wall surface of stove seat 2 is provided with discharging pipe 15, one end of discharging pipe 15 passes the outer circular wall surface of stove seat 2 and extends to the top surface of stove seat 2, the other end fixed mounting of discharging pipe 15 has second water valve 16, second water valve 16 is for having the structure and do not do nothing in here, the bleeder vent 17 has been seted up to the outer circular wall surface of furnace body 3, through setting up fuel cylinder 6, provide the fuel for air nozzle 8 and spray the steel band in the interior stove 5 of flame heating, and by air compressor 9 continuously make its burnt air, then have the bottom of stove 5 in the heating range of air nozzle 8 to diffuse through diffuser 11, can be in the whole in the stove 5, can be in order to do not all can be in order to the annealing process and the annealing in order to take out the heat in the interior of the single annealing process respectively, the annealing process, and the annealing process can be no need to be reduced, the annealing process is carried out to the interior in the annealing process is carried out to the interior of the steel evenly, and is required to be annealed in the heat of the interior of the surface is no need of the surface of the heat of the steel in the surface is annealed material is required to be separately.
Referring to fig. 3, fig. 4, fig. 5 and fig. 6, the top surface of the stove base 2 is provided with a mounting groove 18, the inside fixed sleeve of the mounting groove 18 is provided with a driving motor 19, the driving motor 19 is of a prior structure and is not described herein, an oil seal is arranged between a driving shaft of the driving motor 19 and the mounting groove 18, one end of the driving shaft of the driving motor 19 is fixedly provided with a stirring blade 20, the stirring blade 20 is of a prior structure and is not described herein, the top surface of the stove base 2 is fixedly provided with two supporting columns 21, the upper side of the stove base 2 is provided with a placing plate 22, the supporting columns 21 are fixedly arranged with the bottom surface of the placing plate 22, the top surface of the placing plate 22 is provided with a plurality of circular through holes, the top surface of the stove base 2 is provided with a sealing groove 23, the inside fixed sleeve of the sealing groove 23 is provided with a sealing strip 24, the sealing strip 24 is not described herein for the prior structure, the sealing strip 24 is movably sleeved inside the inner stove 5 and the sealing groove 23, the sealing property inside of the inner stove 5 can be ensured by the sealing strip 24, and the overflow of gas or liquid can be prevented.
Referring to fig. 2, 3, 4 and 6, the filter screen 25 is fixedly sleeved in the air holes 17, the filter screen 25 is of an existing structure and is not described in detail herein, the limiting plates 26 are fixedly installed on the left side and the right side of the outer circular wall surface of the furnace body 3, the limiting holes 27 are formed in the top surfaces of the limiting plates 26, two limiting rods 28 are fixedly installed on the top surface of the bottom plate 1, the limiting rods 28 are movably sleeved with the limiting holes 27, and through the arrangement of the limiting rods 28 and the movable sleeved arrangement of the limiting rods 28 and the limiting holes 27, the furnace body 3 can be limited, so that the installation structure of the furnace body 3 is more stable.
Referring to fig. 4, 5, 6 and 7, a plurality of fixing holes 29 are formed in the top surface of the chassis of the furnace body 3, bolts 30 are movably sleeved in the fixing holes 29, the bolts 30 are of a conventional structure, one ends of the bolts 30 penetrate through the fixing holes 29 to be in threaded connection with the top surface of the bottom plate 1, supporting blocks 31 are fixedly arranged on the top surface of the furnace body 3, and the bolts 30 are arranged to be in threaded connection with the top surface of the bottom plate 1 through the fixing holes 29, so that the furnace body 3 and the bottom plate 1 are fixed.
Working principle: referring to fig. 1-7, in use, by setting the furnace seat 2, placing the cold rolled steel strip on the furnace seat 2, then placing the furnace body 3 on the bottom plate 1 by means of the supporting block 31, attaching the bottom plate of the furnace body 3 to the top surface of the furnace seat 2, sleeving the limiting rod 28 into the limiting hole 27, movably sleeving the inner furnace 5 into the sealing groove 23, tightly attaching the bottom surface of the inner furnace 5 to the top surface of the sealing strip 24, then threading the bolt 30 through the fixing hole 29 to the top surface of the bottom plate 1, then filling the protective gas into the inner furnace 5 through the gas valve 14 and the feeding pipe 12, then providing fuel for the air nozzle 8 through the fuel cylinder 6 and spraying flame to heat the steel strip in the inner furnace 5, and providing air for continuously burning the air by the air compressor 9, then diffusing the bottom of the air nozzle 8 to the whole inner furnace 5 through the diffuser 11, making the instant heating uniform, discharging the acidic solution into the inner furnace 5 through the first water valve 13 after single annealing, then starting the driving motor 19 to drive the stirring blade 20, then opening the water valve 16, and then annealing the water valve 15.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (8)
1. An annealing device for cold-rolled non-oriented electrical steel thin strip, comprising:
the furnace comprises a bottom plate (1), wherein a furnace seat (2) is fixedly arranged on the top surface of the bottom plate (1), a furnace body (3) is arranged on the top surface of the furnace seat (2), a plurality of supporting bars (4) are fixedly arranged on the inner circular wall surface of the furnace body (3), an inner furnace (5) is arranged in the furnace body (3), and one end of each supporting bar (4) is fixedly arranged on the outer circular wall surface of the inner furnace (5);
and the annealing assembly is arranged on the outer circular wall surface of the furnace body (3) and is used for annealing the cold-rolled non-oriented electrical steel thin strip.
2. The apparatus for annealing a thin strip of cold rolled non-oriented electrical steel as claimed in claim 1, wherein said annealing assembly comprises:
the two fuel cylinders (6), two fuel cylinders (6) are respectively and fixedly installed on the left side and the right side of the outer circular wall surface of the furnace body (3), a liquid ring pump (7) is fixedly installed on the left side and the right side of the outer circular wall surface of the furnace body (3), a conveying steel pipe is fixedly installed on the bottom surface of the fuel cylinders (6), one end of a material pumping port of the conveying steel pipe and the liquid ring pump (7) is fixedly installed, a feeding steel pipe is fixedly installed on one end of a material discharging port of the liquid ring pump (7), one end of the feeding steel pipe penetrates through the outer circular wall surface of the furnace body (3) and extends to the inside of the furnace body (3), an air nozzle (8) is fixedly installed on one end of the feeding steel pipe, an air compressor (9) is fixedly installed on the outer circular wall surface of the furnace body (3), one end of an air outlet pipe of the air compressor (9) penetrates through the outer circular wall surface of the furnace body (3) and extends to the inside of the furnace body (3), two installation holes (10) are formed in the top surface of the furnace seat (2), two installation holes (10) extend to one end of the outer circular wall surface of the furnace body (2) and the inner diffuser (3) are fixedly installed on the top surface of the furnace body (12), the feeding pipe (12) is communicated with the interior of the inner furnace (5), a first water valve (13) is fixedly arranged at the other end of the feeding pipe (12), an air valve (14) is fixedly arranged at the other end of the feeding pipe (12), a discharging pipe (15) is arranged on the outer circular wall surface of the furnace seat (2), one end of the discharging pipe (15) penetrates through the outer circular wall surface of the furnace seat (2) and extends to the top surface of the furnace seat (2), a second water valve (16) is fixedly arranged at the other end of the discharging pipe (15), and an air vent (17) is formed in the outer circular wall surface of the furnace body (3).
3. The annealing device for cold-rolled non-oriented electrical steel thin strips according to claim 1, wherein a mounting groove (18) is formed in the top surface of the furnace seat (2), a driving motor (19) is fixedly sleeved in the mounting groove (18), an oil seal is arranged between a driving shaft of the driving motor (19) and the mounting groove (18), a stirring blade (20) is fixedly mounted at one end of the driving shaft of the driving motor (19), two supporting columns (21) are fixedly mounted on the top surface of the furnace seat (2), a placing plate (22) is arranged above the furnace seat (2), the supporting columns (21) are fixedly mounted with the bottom surface of the placing plate (22), and a plurality of circular through holes are formed in the top surface of the placing plate (22).
4. The annealing device for cold-rolled non-oriented electrical steel thin strips according to claim 1, wherein a sealing groove (23) is formed in the top surface of the furnace seat (2), a sealing strip (24) is fixedly sleeved in the sealing groove (23), and the inner furnace (5) is movably sleeved in the sealing groove (23).
5. The annealing device for cold-rolled non-oriented electrical steel thin strip according to claim 2, wherein the filter screen (25) is fixedly sleeved in the air vent (17).
6. The annealing device for the cold-rolled non-oriented electrical steel thin strip according to claim 1, wherein limiting plates (26) are fixedly arranged on the left side and the right side of the outer circular wall surface of the furnace body (3), limiting holes (27) are formed in the top surface of the limiting plates (26), two limiting rods (28) are fixedly arranged on the top surface of the bottom plate (1), and the limiting rods (28) are movably sleeved with the limiting holes (27).
7. The annealing device for the cold-rolled non-oriented electrical steel thin strip according to claim 1, wherein a plurality of fixing holes (29) are formed in the top surface of a chassis of the furnace body (3), bolts (30) are movably sleeved in the fixing holes (29), and one ends of the bolts (30) penetrate through the fixing holes (29) and are in threaded connection with the top surface of the bottom plate (1).
8. The annealing device for cold-rolled non-oriented electrical steel thin strip according to claim 1, wherein a supporting block (31) is fixedly installed on the top surface of the furnace body (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310152243.6A CN116065016A (en) | 2023-02-23 | 2023-02-23 | Annealing device for cold-rolled non-oriented electrical steel thin strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310152243.6A CN116065016A (en) | 2023-02-23 | 2023-02-23 | Annealing device for cold-rolled non-oriented electrical steel thin strip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116970792A (en) * | 2023-06-25 | 2023-10-31 | 江苏甬金金属科技有限公司 | Hot air circulating type oxygen-isolation dustproof annealing furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116970792A (en) * | 2023-06-25 | 2023-10-31 | 江苏甬金金属科技有限公司 | Hot air circulating type oxygen-isolation dustproof annealing furnace |
| CN116970792B (en) * | 2023-06-25 | 2024-04-19 | 江苏甬金金属科技有限公司 | Hot air circulating type oxygen-isolation dustproof annealing furnace |
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