CN116678232A - Direct-current furnace bottom electromagnetic stirring device - Google Patents
Direct-current furnace bottom electromagnetic stirring device Download PDFInfo
- Publication number
- CN116678232A CN116678232A CN202310815637.5A CN202310815637A CN116678232A CN 116678232 A CN116678232 A CN 116678232A CN 202310815637 A CN202310815637 A CN 202310815637A CN 116678232 A CN116678232 A CN 116678232A
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- China
- Prior art keywords
- platform
- stirring device
- magnetic field
- furnace bottom
- field generator
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- Pending
Links
- 238000003756 stirring Methods 0.000 title claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 30
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000003723 Smelting Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000000956 alloy Substances 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000005204 segregation Methods 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D27/00—Stirring devices for molten material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0837—Cooling arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0862—Flux guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0887—Movement of the melt
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The application discloses a direct-current furnace bottom electromagnetic stirring device, which comprises: the magnetic field generator comprises two independent coils and an iron core connected with the two coils; the rotary platform comprises a slewing bearing and a rotary motor; a lifting platform; the mobile trolley comprises a mobile platform, and a plurality of mobile wheels are arranged at the bottom end of the mobile platform; and the cooling system is used for cooling the magnetic field generator. The application is a non-contact stirring device which has low energy consumption and simple structure and can use air cooling, and all the molten liquid in the furnace can be uniformly stirred in a very short time, thereby reducing the energy consumption, improving the metal yield, homogenizing alloy components, reducing segregation, reducing the temperature difference between the molten liquid and the molten liquid, and the like. The application is provided with the movable trolley, and a set of direct current furnace bottom stirring device can serve several smelting furnaces by controlling the lifting platform, the rotating platform and the movable trolley.
Description
Technical Field
The application relates to the technical field of bottom-mounted electromagnetic stirrers for smelting furnaces, in particular to a direct-current type furnace bottom electromagnetic stirring device.
Background
The melting or mixing of aluminum is still mainly performed by a reverberatory furnace and manual operation at present, because the equipment cost is low, the operation is simple, the fuel cost is low, and the production operation is economical. However, in the reverberatory furnace, it is difficult to homogenize the components because there is no stirring action compared with the melting furnace; and there are disadvantages such as temperature difference between the surface and bottom of the melt, the combustion chamber and the opened heat preservation chamber. In the past, a mechanical or pressure-reducing stirring device was generally used, and the stirring device was in direct contact with the melt, which resulted in the disadvantages of increased consumption, contamination of the molten aluminum, and troublesome operation and maintenance. Along with the expansion of the demand quantity of aluminum and the increasing requirement on the quality of aluminum, aluminum smelting furnaces are also developed in the directions of large, advanced and high efficiency, and therefore, besides optimizing the aluminum smelting furnace process, a furnace bottom electromagnetic stirring device is usually arranged at the bottom of the smelting furnace to stir aluminum liquid in the smelting furnace.
At present, an alternating current traveling wave magnetic field stirrer is generally adopted by a furnace bottom electromagnetic stirring device, but the alternating current traveling wave magnetic field stirrer has the defects of large volume, high energy consumption, complex control system and the like, and the traveling wave magnetic field stirrer needs to be cooled by cooling water, so that a set of traveling wave magnetic field stirrer needs to be matched with a set of cooling water system, and the cost of the complete set of alternating current traveling wave magnetic field stirring system is extremely high.
Disclosure of Invention
In view of the above technical problems in the related art, the present application provides a direct-current type furnace bottom electromagnetic stirring device, which can solve the above problems.
In order to achieve the technical purpose, the technical scheme of the application is realized as follows:
a direct current type furnace bottom electromagnetic stirring device, comprising:
the magnetic field generator comprises two independent coils and an iron core connected with the two coils;
the rotating platform comprises a slewing bearing and a rotating motor, the rotating motor is connected with the slewing bearing through gear transmission, and the magnetic field generator is fixedly connected to the rotating platform through bolts;
the lifting platform comprises a transmission connecting rod I and a lifting motor for driving the transmission connecting rod I, the transmission connecting rod I is in transmission connection with a lifting mechanism through a right-angle converter I and a coupling I, and the rotating platform is fixedly connected to the lifting platform through bolts;
the movable trolley comprises a movable platform, a plurality of movable wheels are arranged at the bottom end of the movable platform, the movable wheels are driven by a movable motor, and the middle part of the upper end of the movable platform is fixedly connected with the lifting platform through bolts;
and the cooling system is used for cooling the magnetic field generator and comprises a cooling fan and an exhaust pipe.
Further, the magnetic field generator is arranged in the inner cavity of the protection shell, the lower end of the magnetic field generator is fixedly connected with a fixed disc, and the fixed disc is fixedly connected with the slewing bearing through a bolt.
Further, the protection casing includes casing and lower casing, go up the casing with lower casing passes through a plurality of hasp and can dismantle the connection, four angles of going up the casing all are equipped with a handle, all be equipped with the louvre of a plurality of bars on four sides of protection casing, the exhaust pipe with the inner chamber of protection casing is linked together.
Further, the slewing bearing is rotatably connected in the lower shell, the slewing bearing is of a gear structure, the slewing bearing is in meshed connection with the transmission pinion, and the rotating motor is in transmission connection with the transmission pinion through a right-angle converter II and a coupling II.
Further, elevating system includes two sets of screw lift, every group screw lift contains two at least screw lift, every group through transmission connecting rod two and three transmission connection of shaft coupling between the screw lift, screw lift includes the frame, the frame wears to be equipped with the lift screw, the top of lift screw is equipped with the ring flange, the ring flange pass through the bolt with the bottom four corners fixed connection of inferior valve.
Further, one corner of the upper end of the mobile platform is provided with a junction box, the junction box comprises a wiring cable of the magnetic field generator, a wiring cable of the rotary platform, a wiring cable of the lifting platform, a wiring cable of the mobile trolley and a wiring cable of the cooling system, and the junction box is electrically connected with an electric control cabinet in the electric room.
Further, the upper end of the mobile platform is also provided with a plurality of mounting seats, the mounting seats are fixedly connected with the machine base through bolts, and the mounting seats are provided with through holes for the lifting screw rods to pass through.
Further, the rotating motor and the lifting motor are both provided with a speed reducer.
The application has the beneficial effects that: the application is a non-contact stirring device which has low energy consumption and simple structure and can use air cooling, and all the molten liquid in the furnace can be uniformly stirred in a very short time, thereby reducing the energy consumption, improving the metal yield, homogenizing alloy components, reducing segregation, reducing the temperature difference between the molten liquid and the molten liquid, and the like. The application is provided with the movable trolley, and a set of direct current furnace bottom stirring device can serve several smelting furnaces by controlling the lifting platform, the rotating platform and the movable trolley.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
The application is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a structure of a direct current type furnace bottom electromagnetic stirring device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a magnetic field generator according to an embodiment of the present application;
FIG. 3 is a schematic view of a rotary platform according to an embodiment of the present application;
FIG. 4 is a schematic structural view of a lifting platform according to an embodiment of the present application;
fig. 5 is a schematic structural view of a mobile cart according to an embodiment of the present application.
In the figure:
1. a magnetic field generator; 11. an iron core; 12. a coil; 13. a fixed plate; 2. rotating the platform; 21. a slewing bearing; 22. a rotating electric machine; 23. a drive pinion; 3. a lifting platform; 31. a lifting motor; 32. a first transmission connecting rod; 33. lifting the screw rod; 34. a transmission connecting rod II; 35. a base; 4. a moving trolley; 41. a moving motor; 42. a mobile platform; 43. moving the wheels; 44. a junction box; 45. a mounting base; 5. and a cooling system.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the application, fall within the scope of protection of the application.
As shown in fig. 1 to 5, a direct current type furnace bottom electromagnetic stirring device according to an embodiment of the present application includes: the magnetic field generator 1, rotary platform 2, lift platform 3, travelling car 4, cooling system 5, magnetic field generator 1 includes the magnetic field inductor, the magnetic field inductor includes two independent coils 12 and connects the iron core 11 of two coils, magnetic field generator installs on rotary platform 2, and cooling system 5 installs on the extension frame of protection casing one side, rotary platform 2 is fixed on lift platform 3, lift platform 3 integral erection is on travelling car 4, be equipped with terminal box 44 on the travelling car 4, terminal box 44 connects a plurality of cables, the cable is connected to the electrical control cabinet, and the electrical control cabinet is located the production line electrical room.
In one embodiment of the present application, the rotary platform 2 includes a slewing bearing 21 and a rotating electric machine 22, the magnetic field generator 1 is fixed on the slewing bearing 21 through a bolt, the rotating electric machine 22 is driven to the slewing bearing 21 through a second coupling, a second right angle commutator and a gear, and the magnetic field generator 1 and the slewing bearing 21 are integrally fixed in a protective housing through bolts. When the rotary electric machine 22 is started, the rotary electric machine 22 drives the slewing bearing 21 to rotate through the second coupling, the second right-angle converter and the gear transmission, and the magnetic field generator 1 and the slewing bearing 21 are fixed through bolts, so that the magnetic field generator also rotates at the moment.
In one embodiment of the present application, the lifting platform 3 includes a lifting motor 31, a first transmission link 32 and two sets of screw lifters, each set of screw lifters includes two screw lifters, the first transmission link 32 is connected to one transmission end of the first screw lifter through a first right-angle converter and a coupling, and the other transmission end of the first screw lifter is connected to the second screw lifter through a second transmission link 34 and a third coupling. When the lifting motor 31 is started, the lifting motor 31 drives the first transmission connecting rod 32 to rotate, and the first transmission connecting rod 32 drives the lifting screw rods 33 of the two screw rod lifters to ascend or descend.
In one embodiment of the present application, the mobile cart 4 includes a mobile motor 41, a mobile platform 42, mobile wheels 43 and a junction box 44, the lifting platform 3 is fixed on the base of the mobile cart 4, and the mobile motor 41 drives the mobile cart 4 to move through a speed reducer and a chain. The junction box 44 is connected with a number of cables which are connected to an electrical control cabinet located in the production line electrical room. The control of the magnetic field generator 1, the control of the rotating platform 2, the control of the lifting platform 3, the control of the mobile trolley 4 and the control of the cooling system 5 are realized through an electrical control cabinet.
In order to facilitate understanding of the above technical solutions of the present application, the following describes the above technical solutions of the present application in detail by a specific usage manner.
In specific use, the mobile trolley 4 is driven to the bottom of the furnace, then the lifting platform 3 is lifted to a proper position, the cooling system 5 is turned on, the rotating parameters are set, the rotating motor 22 is started, the stirring parameters are set, stirring is started, and direct current (namely, a direct current mode) is fed to the magnetic field generator 1. As shown in fig. 1, the magnetic field generator 1 generates a dc magnetic field, the slewing bearing 21 starts to rotate under the drive of the rotating motor 22, and at this time, the magnetic field generator 1 generates a rotating magnetic field, the magnetic field passes through the liquid molten aluminum and corresponds to a molten aluminum cutting magnetic field, and an induced current is generated due to the presence of conductivity of the molten aluminum, and the induced current interacts with the magnetic field to generate electromagnetic force on the molten aluminum flowing in the liquid state. The direction of the electromagnetic force is the same as the direction of the magnetic field, and the liquid molten steel moves under the action of the electromagnetic force to form non-contact stirring, so that all molten steel in the furnace can be uniformly stirred in a very short time, thereby reducing energy consumption, improving metal yield, homogenizing alloy components, reducing segregation, reducing upper and lower temperature differences of the molten steel and the like.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the application.
Claims (8)
1. A direct current type furnace bottom electromagnetic stirring device, characterized by comprising:
a magnetic field generator (1), the magnetic field generator (1) comprising two independent coils (12) and an iron core (11) connecting the two coils (12);
the rotary platform (2), the rotary platform (2) comprises a slewing bearing (21) and a rotary motor (22), the rotary motor (22) is connected with the slewing bearing (21) through gear transmission, and the magnetic field generator (1) is fixedly connected to the rotary platform (2) through bolts;
the lifting platform (3) comprises a first transmission connecting rod (32) and a lifting motor (31) for driving the first transmission connecting rod (32), the first transmission connecting rod (32) is connected with a lifting mechanism through a first right-angle converter and a first coupler in a transmission manner, and the rotary platform (2) is fixedly connected to the lifting platform (3) through bolts;
the movable trolley (4), the movable trolley (4) comprises a movable platform (42), a plurality of movable wheels (43) are arranged at the bottom end of the movable platform (42), the movable wheels (43) are driven by a movable motor (41), and the middle part of the upper end of the movable platform (42) is fixedly connected with the lifting platform (3) through bolts;
and the cooling system (5) is used for cooling the magnetic field generator (1), and the cooling system (5) comprises a cooling fan and an exhaust pipe.
2. The direct current type furnace bottom electromagnetic stirring device according to claim 1, wherein the magnetic field generator (1) is arranged in an inner cavity of the protective shell, the lower end of the magnetic field generator (1) is fixedly connected with a fixed disc (13), and the fixed disc (13) is fixedly connected with the slewing bearing (21) through bolts.
3. The direct-current furnace bottom electromagnetic stirring device according to claim 2, wherein the protection shell comprises an upper shell and a lower shell, the upper shell and the lower shell are detachably connected through a plurality of locks, four corners of the upper shell are respectively provided with a handle, four sides of the protection shell are respectively provided with a plurality of strip-shaped radiating holes, and the exhaust pipe is communicated with an inner cavity of the protection shell.
4. A direct current type furnace bottom electromagnetic stirring device according to claim 3 characterized in that the slewing bearing (21) is rotatably connected in the lower shell, the slewing bearing (21) is of a gear structure, the slewing bearing (21) is in meshed connection with a transmission pinion (23), and the rotating motor (22) is in transmission connection with the transmission pinion (23) through a right-angle converter and a coupling.
5. The direct-current furnace bottom electromagnetic stirring device according to claim 4, wherein the lifting mechanism comprises two groups of screw lifters, each group of screw lifters at least comprises two screw lifters, each group of screw lifters are in transmission connection with each other through a transmission connecting rod II (34) and a coupling III, the screw lifters comprise a base (35), the base (35) is provided with a lifting screw (33) in a penetrating way, the top end of the lifting screw (33) is provided with a flange plate, and the flange plate is fixedly connected with four corners of the bottom end of the lower shell through bolts.
6. The direct-current furnace bottom electromagnetic stirring device according to claim 1, wherein a junction box (44) is arranged at one corner of the upper end of the movable platform (42), the junction box (44) comprises a junction cable of the magnetic field generator (1), a junction cable of the rotary platform (2), a junction cable of the lifting platform (3), a junction cable of the movable trolley (4) and a junction cable of the cooling system (5), and the junction box (44) is electrically connected with an electrical control cabinet in an electrical room.
7. The direct-current furnace bottom electromagnetic stirring device according to claim 1, wherein a plurality of installation seats (45) are further arranged at the upper end of the movable platform (42), the installation seats (45) are fixedly connected with the machine base (35) through bolts, and through holes for the lifting screw rods (33) to penetrate are formed in the installation seats (45).
8. The direct current type furnace bottom electromagnetic stirring device according to claim 1, characterized in that the rotating motor (22) and the lifting motor (31) are each provided with a speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310815637.5A CN116678232A (en) | 2023-07-05 | 2023-07-05 | Direct-current furnace bottom electromagnetic stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310815637.5A CN116678232A (en) | 2023-07-05 | 2023-07-05 | Direct-current furnace bottom electromagnetic stirring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116678232A true CN116678232A (en) | 2023-09-01 |
Family
ID=87781045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310815637.5A Pending CN116678232A (en) | 2023-07-05 | 2023-07-05 | Direct-current furnace bottom electromagnetic stirring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116678232A (en) |
-
2023
- 2023-07-05 CN CN202310815637.5A patent/CN116678232A/en active Pending
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