CN114717416B - Two-section type rotary silicon iron alloy ore-smelting electric furnace - Google Patents
Two-section type rotary silicon iron alloy ore-smelting electric furnace Download PDFInfo
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- CN114717416B CN114717416B CN202210360890.1A CN202210360890A CN114717416B CN 114717416 B CN114717416 B CN 114717416B CN 202210360890 A CN202210360890 A CN 202210360890A CN 114717416 B CN114717416 B CN 114717416B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/08—Apparatus
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/06—Alloys
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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
- Y02P10/00—Technologies related to metal processing
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Abstract
The application discloses a two-section rotary silicon iron alloy submerged arc furnace, which relates to the technical field of electric furnaces, can reduce furnace burden adhesion in the furnace, and can facilitate carbon monoxide collection. The furnace comprises a furnace cover, an upper furnace body and a lower furnace body, wherein the upper furnace body and the lower furnace body are matched to form a furnace chamber for placing furnace charges, and the furnace cover covers an opening of the furnace chamber and is used for sealing the furnace chamber; the upper furnace body is provided with a first rotating mechanism for driving the upper furnace body to rotate around the axis of the device; the lower furnace body is provided with a second rotating mechanism for driving the lower furnace body to rotate around the axis of the device. According to the application, through the sealed hearth, carbon monoxide is prevented from being discharged and burnt when contacting air, so that carbon monoxide is conveniently collected; meanwhile, the whole furnace burden is always in a disordered rotating state in the production process by different rotations between the upper furnace body and the lower furnace body, so that the bonding of the furnace burden is reduced.
Description
Technical Field
The application relates to the technical field of electric furnaces, in particular to a two-stage rotary silicon iron alloy submerged arc furnace.
Background
Conventional ferrosilicon ore-smelting electric furnaces require reduction of silica from silica by carbon during production, where silicon and carbon monoxide are obtained. The silica is easy to be in a molten state when not undergoing reduction reaction, so that furnace burden adhesion is caused, heat exchange and reduction reaction in a furnace are affected, a furnace door is required to be opened to stamp the furnace in the furnace so as to avoid furnace burden adhesion in the furnace, therefore, sealing of the furnace body cannot be realized, air is caused to enter the furnace, at the same time, carbon monoxide generated in the production process is easy to contact with the air to burn, production of silicon ferroalloy is affected, a large amount of carbon dioxide is discharged, the environment is affected, a large amount of chemical energy generated during carbon monoxide burning cannot be utilized, production benefit cannot be improved, and low-carbon and double-control production cannot be achieved.
Disclosure of Invention
The technical problems to be solved by the application are as follows: provided is an electric furnace device capable of reducing adhesion of furnace burden in a furnace and facilitating collection of carbon monoxide.
The application is realized by the following technical scheme:
the two-section rotary silicon-based ferroalloy submerged arc furnace comprises a furnace cover, an upper furnace body and a lower furnace body which are sequentially arranged along the axis of the device, wherein the upper furnace body and the lower furnace body are matched to form a furnace chamber for placing furnace charges, and the furnace cover covers an opening of the furnace chamber to seal the furnace chamber so as to collect carbon monoxide gas generated in the furnace chamber;
the upper furnace body is provided with a first rotating mechanism for driving the upper furnace body to rotate around the axis of the device;
the lower furnace body is provided with a second rotating mechanism for driving the lower furnace body to rotate around the axis of the device.
Optionally, an electrode rod inserted into the hearth is arranged on the furnace cover, and the end part of the electrode rod is close to the bottom of the hearth.
Optionally, a flue for discharging carbon monoxide is connected to the furnace cover.
Optionally, the first rotating mechanism includes a driving rotating member and a driven rotating member, the driving rotating member is used for driving the upper furnace body to rotate, and the driven rotating member is used for supporting the upper furnace body and positioning a rotating path of the upper furnace body.
Further optionally, the driven rotating member comprises a rotating bracket and a first ring part fixed at the edge part of the upper furnace body, and at least three riding wheels and at least three baffle wheels are arranged on the rotating bracket;
the riding wheel is circumferentially arranged at the bottom of the first circular ring part around the axis of the device and supports the bottom of the first circular ring part; the baffle wheels are uniformly arranged on the outer side of the first circular ring part around the axis of the device, and squeeze the outer side surface of the first circular ring part;
when the upper furnace body rotates, the riding wheel and the baffle wheel are driven by the first circular ring part to synchronously rotate.
Further optionally, the driving rotating member comprises a first driving device and a second annular part fixed at the edge part of the upper furnace body, and the first driving device is in transmission connection with a thumb wheel; the outer circumference of second ring portion evenly is provided with a plurality of pins, the thumb wheel with the pin adaptation, works as when first drive arrangement drive thumb wheel rotates, the thumb wheel promotes in proper order the pin removes and drives upper portion furnace body is rotatory.
Optionally, the second rotating mechanism comprises a supporting piece and a base, the supporting piece is connected with the bottom of the lower furnace body, and a rotating part for driving the supporting piece and the base to rotate relatively is arranged between the supporting piece and the base;
the rotating part comprises a second driving device, a transfer shaft and at least three supporting wheels, wherein the second driving device is in transmission connection with the transfer shaft and can drive the transfer shaft to rotate around the axis of the device, the transfer shaft is connected with the rotating shaft of the supporting wheels through a pull rod, the supporting wheels are circumferentially arranged on the base around the axis of the device and support the supporting pieces, and when the transfer shaft is driven by the second driving device to rotate, the transfer shaft drives the supporting wheels to roll along a moving path around the axis of the device.
Further optionally, a first limit rail is disposed on a side of the support member facing the support wheel, a second limit rail is disposed on a side of the base facing the support wheel, the support wheel faces on both sides of the support member and the base are respectively clamped in the first limit rail and the second limit rail, and the first limit rail and the second limit rail are used for enabling the support wheel to roll along a moving path encircling the axis of the device only.
Optionally, the support piece includes bracket and spoke roof beam, the bracket with lower part furnace body is connected, the spoke roof beam set up in the bracket is kept away from one side of lower part furnace body, the spoke roof beam with be equipped with the insulating pad between the lower part furnace body.
Optionally, gas seal is adopted between the upper furnace body and the lower furnace body.
The application has the following advantages and beneficial effects:
1. according to the two-stage rotary silicon-based ferroalloy submerged arc furnace provided by the embodiment of the application, the furnace cover, the upper furnace body and the lower furnace body are matched to form a relatively sealed furnace chamber, so that the communication between the furnace chamber and the outside is isolated, air is prevented from entering the furnace, carbon monoxide is prevented from being discharged and is burnt in contact with the air, and carbon monoxide is conveniently collected and carbon dioxide is reduced; through the rotation of upper furnace body and lower furnace body with different rotation directions or different rotational speeds, drive the furnace charge that is in upper strata and lower floor respectively in the stove and rotate with different rotation directions or different rotational speeds, and then make whole furnace charge be in a comparatively unordered rotation state throughout in the production process, reduce the possibility that the furnace charge bonds each other, realize reducing or avoiding pounding the production process of stove, avoid pounding revealing or burning of stove in-process carbon monoxide. Meanwhile, the rotation of the furnace burden can ensure that the whole heating process is more uniform, and the yield of finished products of the furnace burden is further improved;
2. according to the two-stage rotary silicon-based ferroalloy submerged arc furnace provided by the embodiment of the application, the electrode bars form three-phase electrodes to heat furnace charges, the electrode bars are relatively fixed at the moment, the electrode bars and the upper furnace body and the lower furnace body relatively move when the upper furnace body and the lower furnace body rotate, and the electrode bars can further stir the furnace charges in the hearth at the moment, so that the furnace charges can rotate more unordered, and the adhesion of the furnace charges is further reduced; meanwhile, the end part of the electrode rod is close to the bottom of the hearth, so that the stirring effect of the electrode rod can be further ensured, the furnace burden is more uniformly mixed, the resistance of the furnace burden between the electrodes tends to be consistent, the temperature of the lower part of the hearth is ensured, the silicon carbide decomposition reaction in the hearth and slag discharge at the bottom of the hearth are facilitated, and slag accumulation at the bottom of the hearth is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic forward view of example 1 of the present application;
FIG. 2 is a schematic diagram of FIG. 1 at A;
FIG. 3 is a front cross-sectional view of example 1 of the present application;
FIG. 4 is a cross-sectional view taken at B-B in FIG. 3;
fig. 5 is a schematic diagram at C in fig. 3.
In the drawings, the reference numerals and corresponding part names:
the furnace comprises a furnace cover 1-, an electrode rod 11-, a furnace body 2-upper part, a rotating bracket 211-212-supporting wheels 213-retaining wheels 214-first annular parts 221-first driving devices 222-vertical shafts 223-shifting wheels 224-second annular parts 225-pins 3-lower furnace bodies 311-brackets 312-spoke beams 313-first limit rails 314-second limit rails 315-bases 321-second driving devices 322-middle rotating shafts 323-supporting wheels 324-pull rods 4-furnace boxes and 5-shells.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present application, the present application will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present application and the descriptions thereof are for illustrating the present application only and are not to be construed as limiting the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the application. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the application.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the application. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present application, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present application.
Example 1:
a two-stage rotary silicon-based ferroalloy submerged arc furnace, as shown in fig. 1 to 5, comprises a furnace cover 1, an upper furnace body 2 and a lower furnace body 3 which are sequentially arranged from top to bottom along the axis of the device, wherein the lower furnace body 3 is of a cylindrical structure with one end open, the upper furnace body 2 is of a circular ring structure matched with the lower furnace body 3, the upper furnace body 2 and the lower furnace body 3 are matched to form a furnace chamber 4 for placing furnace burden, and the furnace cover 1 covers the opening of the furnace chamber 4 and is used for sealing the furnace chamber 4;
the upper furnace body 2 is provided with a first rotating mechanism for driving the upper furnace body 2 to rotate around the axis of the device;
the lower furnace body 3 is provided with a second rotating mechanism for driving the lower furnace body 3 to rotate around the axis of the device, and the upper furnace body 2 and the lower furnace body 3 are opposite in rotation direction or different in rotation speed.
The furnace cover 1, the upper furnace body 2 and the lower furnace body 3 are matched to form a relatively sealed furnace chamber 4, so that the communication between the furnace chamber 4 and the outside is isolated, air is prevented from entering the furnace, carbon monoxide is prevented from being discharged and burning is caused by contact with the air, and carbon monoxide is conveniently collected and carbon dioxide is reduced.
At this time, through the rotation of upper portion furnace body 2 and lower part furnace body 3 with different rotation directions or different rotational speeds, drive the furnace charge that is in upper strata and lower floor respectively in the stove and rotate with different rotation directions or different rotational speeds, and then make whole furnace charge be in a comparatively unordered rotation state throughout in the production process, reduce the possibility that the furnace charge bonds each other, realize reducing or avoiding pounding the production process of stove, avoid pounding the revealing or burning of stove in-process carbon monoxide. Meanwhile, the rotation of the furnace burden can make the whole heating process more uniform, and the yield of the furnace burden is further improved.
The first rotating mechanism and the second rotating mechanism can be connected into an electric furnace PLC control system so as to adjust the rotating speed or the rotating direction of the upper furnace body 2 and the lower furnace body 3 according to the production process.
Wherein the silicon-based iron alloy includes, but is not limited to, ferrosilicon, industrial silicon, silicon aluminum alloy, ferrosilicon, calcium silicon alloy, calcium silicon iron, calcium silicon aluminum alloy, barium silicon aluminum alloy, barium silicon calcium alloy, barium silicon aluminum alloy, chromium silicon alloy, and the like.
Wherein the furnace cover 1 is supported and fixed by a fixed bracket fixed relative to the ground or a platform, and is fixed relative to the upper furnace body 2 and the lower furnace body 3 when rotating, thereby corresponding accessories or pipelines which participate in furnace charge heating are arranged on the furnace cover 1.
Wherein the outer side of the lower furnace body 3 is sleeved with a furnace shell, which can protect the rotation process of the lower furnace body 3.
At this time, a plurality of electrode rods 11 inserted into the hearth 4 are arranged on the furnace cover 1, the electrode rods 11 form a three-phase electrode to heat the furnace burden, the electrode rods 11 are relatively fixed at this time, when the upper furnace body 2 and the lower furnace body 3 rotate, the electrode rods 11 and the upper furnace body 2 and the lower furnace body 3 relatively rotate, at this time, the electrode rods 11 can further stir the furnace burden in the hearth 4, so that the furnace burden can rotate more disorderly, and the bonding of the furnace burden is further reduced. Meanwhile, the end part of the electrode rod 11 is close to the bottom of the hearth 4, so that the stirring effect of the electrode rod 11 can be further ensured, the furnace burden is more uniformly mixed, the resistance of the furnace burden between the electrodes tends to be consistent, the temperature of the lower part of the hearth 4 is ensured, the silicon carbide decomposition reaction in the hearth 4 and slag discharge at the bottom of the hearth are facilitated, and slag accumulation at the bottom of the hearth is avoided.
In one or more embodiments, a flue for discharging carbon monoxide is connected to the furnace lid 1. The carbon monoxide can be led out directly through the flue, so that the carbon monoxide can be received conveniently, the flue can be directly communicated with a gas power generation system, carbon monoxide gas can directly enter into the system for power generation, and through inspection, about 50% of the electric quantity input by the recyclable electrode rod 11 is input, so that the energy consumption during production operation is greatly reduced, the product cost is reduced, corresponding resources are saved, and the production is in a low-carbon and double-control state.
For the first rotating mechanism, in one or more embodiments, the first rotating mechanism comprises a driving rotating member and a driven rotating member, wherein the driving rotating member is used for driving the upper furnace body 2 to rotate, and the driven rotating member is used for supporting the upper furnace body 2 so as to avoid or reduce friction between the upper furnace body 2 and the lower furnace body 3, improve the service life of the electric furnace, and position the rotating path of the upper furnace body 2, so that the upper furnace body 2 can only rotate around the axis of the device all the time.
For the driven rotating piece, the parts of the upper furnace body 2 and the lower furnace body 3 which are close to each other are respectively vertically provided with a sliding block and an annular sliding groove matched with the sliding block, the groove bottom of the annular sliding groove is arranged on a roller contacted with the sliding block, at the moment, the upper furnace body 2 is supported through the matching of the sliding block and the roller, and the sliding friction generated when the upper furnace body 2 and the lower furnace body 3 are contacted with each other is converted into rolling friction, so that the abrasion during rotation is greatly reduced, meanwhile, the sliding block can only move in the annular sliding groove along the direction around the axis of the device, and the upper furnace body 2 can only rotate around the axis of the device due to the limitation of the annular sliding groove on the sliding block. Furthermore, the sliding block can also be in an annular structure, and the gap between the sliding block and the annular sliding groove is sealed through the clamping of the sliding block and the annular sliding groove, so that gas or furnace burden is prevented from leaking out of the gap between the sliding block and the annular sliding groove (the driven rotating piece is not shown in the figure).
As shown in fig. 2, the rotary support 211 may include a rotary support 211 and a first ring portion 214 fixed at an edge portion of the upper furnace body 2, the first ring portion 214 uses the axis of the device as an axis, and at least 3 supporting wheels 212 and at least 3 retaining wheels 213 are provided on the rotary support 211; the riding wheel 212 is circumferentially arranged at the bottom of the first annular ring 214 around the axis of the device and supports the bottom of the first annular ring 214; the baffle wheels 213 are uniformly arranged on the outer side of the first annular ring portion 214 around the device axis, and squeeze the outer side surface of the first annular ring portion 214; when the upper furnace body 2 rotates, the riding wheel 212 and the baffle wheel 213 are driven by the first ring part 214 to synchronously rotate.
The outer side mentioned in this embodiment is the side of the corresponding part away from the axis of the device.
At this time, the upper furnace body 2 is supported by the supporting roller 212 and forms a certain gap with the lower furnace body 3, so that friction between the upper furnace body 2 and the lower furnace body 3 in the rotating process is avoided. The whole upper furnace body 2 is limited in the rotation range by the extrusion of the baffle wheel 213 to the first ring part 214 and the support of the riding wheel 212 to the first ring part 214, so that the upper furnace body 2 is prevented from being deviated in the rotation process. By providing the supporting roller 212 and the stopper roller 213, the smoothness of rotation of the upper furnace 2 can be ensured.
In this case, the gap between the upper furnace 2 and the lower furnace 3 may be sealed in a non-contact manner to avoid leakage of the portion and to reduce friction, and it is preferable that a gas-tight seal is used between the object and the lower furnace 3.
Wherein for the active rotating member, in one or more embodiments, the active rotating member comprises a first driving device 221 fixed on the ground or a platform and located on one side of the whole furnace body, and a second circular ring portion 224 fixed on the edge portion of the upper furnace body 2, the second circular ring portion 224 comprises an upper ring portion and a lower ring portion fixed on the upper furnace body 2, a plurality of pins 225 are fixed between the upper ring portion and the lower ring portion, and the pins 225 are uniformly circumferentially arranged around the axis of the device; the output shaft of the first driving device 221 is coaxially provided with a vertical shaft 222, the vertical shaft 222 is vertically arranged, the vertical shaft 222 is coaxially connected with a poking wheel 223, and the poking wheel 223 is in a gear-shaped structure; when the driving wheel 223 is driven to rotate by the driving device, the gear teeth of the driving wheel 223 can sequentially push the pin 225 to move, so that the upper furnace body 2 is driven to rotate around the device axis under the limit of the baffle wheel 213.
Wherein, through the matching mode of the pin 225 and the thumb wheel 223, the worn part can be replaced when the active rotating piece is worn, thereby prolonging the service life of the device.
Wherein, be equipped with a plurality of with the locating piece that vertical scroll 222 rotated and be connected on the support, the locating piece sets gradually along the axis direction of vertical scroll 222, in addition, the top of vertical scroll 222 with the fixed bolster rotates to be connected, carries out the location through this structure to the axis body of vertical scroll 222, avoids it to receive the influence of external force to take place to warp in the transmission process, and then influences thumb wheel 223 with the cooperation of pin 225.
In one or more embodiments, the second rotating mechanism includes a support member and a base 315, the lower furnace body 3 is located on the support member, and a rotating portion for driving the support member and the base 315 to rotate relatively is disposed between the support member and the base 315;
the rotating part comprises a second driving device 321, a middle rotating shaft 322 and a plurality of supporting wheels 323, the second driving device 321 is in transmission connection with the middle rotating shaft 322 and can drive the middle rotating shaft 322 to rotate around a device axis, the middle rotating shaft 322 is connected with the rotating shaft of the supporting wheels 323 through a pull rod 324, the supporting wheels 323 are circumferentially arranged on the base 315 around the device axis and support the bottom edge part of the supporting piece, when the second driving device 321 drives the middle rotating shaft 322 to rotate, the middle rotating shaft 322 drives the pull rod 324 to synchronously rotate with the rotating shafts of the supporting wheels 323, and the supporting wheels 323 are driven by the rotating shafts to roll along a moving path around the device axis and further drive the whole lower furnace body 3 to rotate.
Wherein the axis of the middle shaft 322 coincides with the axis of the device, and both ends thereof may be rotatably connected to the base 315 and the supporting member, respectively, so as to improve the coaxiality of the whole lower furnace 3.
On this basis, in order to avoid the deflection of the lower furnace body 3, in one or more embodiments, as shown in fig. 5, a first limiting rail 313 is disposed on a side of the supporting member facing the supporting wheel 323, a second limiting rail 314 is disposed on a side of the base 315 facing the supporting wheel 323, two side wheel surfaces of the supporting wheel 323 facing the supporting member and the base 315 are respectively clamped in the first limiting rail 313 and the second limiting rail 314, and the first limiting rail 313 and the second limiting rail 314 are used for enabling the supporting wheel 323 to roll along a moving path around the axis of the device only.
The first limiting rail 313 and the second limiting rail 314 are in a circular ring structure, and the relative positions between the supporting wheel 323 and the base 315 and the supporting piece are limited by the arrangement of the first limiting rail 313 and the second limiting rail 314, so that the supporting piece is ensured not to deviate or deviate in the rotation process of the lower furnace body 3, and the rotation stability of the whole lower furnace body 3 is improved. Meanwhile, the supporting wheel 323 can only move along a moving path surrounding the axis of the device, so that the pulling force required by the pulling rod 324 to drive the supporting wheel 323 to move is shared, the requirement on the strength of the pulling rod 324 is reduced, and the service life of the rotating part is prolonged.
The support piece comprises a bracket 311 and a spoke beam 312, the bracket 311 is connected with the lower furnace body 3, the spoke beam 312 is arranged on one side, away from the lower furnace body 3, of the bracket 311, and an insulating pad is arranged between the lower furnace body 3 and the bracket 311.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the application, and is not meant to limit the scope of the application, but to limit the application to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (8)
1. The two-section rotary silicon-based ferroalloy submerged arc furnace is characterized by comprising a furnace cover (1), an upper furnace body (2) and a lower furnace body (3) which are sequentially arranged along the axis of the furnace, wherein the upper furnace body (2) and the lower furnace body (3) are matched to form a furnace chamber (4) for placing furnace charges, and the furnace cover (1) covers an opening of the furnace chamber (4) to seal the furnace chamber (4);
the upper furnace body (2) is provided with a first rotating mechanism for driving the upper furnace body (2) to rotate around the axis of the device;
the lower furnace body (3) is provided with a second rotating mechanism for driving the lower furnace body (3) to rotate around the axis of the device;
the first rotating mechanism comprises a driving rotating piece and a driven rotating piece, the driving rotating piece is used for driving the upper furnace body (2) to rotate, and the driven rotating piece is used for supporting the upper furnace body (2) and positioning a rotating path of the upper furnace body (2);
the driven rotating piece comprises a rotating bracket (211) and a first annular part (214) fixed at the edge part of the upper furnace body (2), and at least three riding wheels (212) and at least three baffle wheels (213) are arranged on the rotating bracket (211);
the riding wheel (212) is circumferentially arranged at the bottom of the first annular part (214) around the axis of the device and supports the bottom of the first annular part (214); the baffle wheels (213) are uniformly arranged on the outer side of the first annular part (214) around the axis of the device, and squeeze the outer side surface of the first annular part (214);
when the upper furnace body (2) rotates, the riding wheel (212) and the baffle wheel (213) are driven by the first annular part (214) to synchronously rotate.
2. The two-stage rotary silicon-based ferroalloy submerged arc furnace according to claim 1, wherein the furnace cover (1) is provided with an electrode rod (11) inserted into the furnace chamber (4), and the end part of the electrode rod (11) is close to the bottom of the furnace chamber (4).
3. The two-stage rotary silicon-based ferroalloy submerged arc furnace according to claim 1, wherein the furnace cover (1) is connected with a flue for discharging carbon monoxide.
4. The two-stage rotary silicon-based ferroalloy submerged arc furnace according to claim 1, wherein the active rotating member comprises a first driving device (221) and a second annular part (224) fixed at the edge part of the upper furnace body (2), and the first driving device (221) is in transmission connection with a thumb wheel (223); the outside circumference of second ring portion (224) evenly is provided with a plurality of pins (225), thumb wheel (223) with pin (225) adaptation, when first drive arrangement (221) drive thumb wheel (223) rotate, thumb wheel (223) promote in proper order pin (225) remove and drive upper portion furnace body (2) are rotatory.
5. The two-stage rotary silicon-based ferroalloy submerged arc furnace according to claim 1, wherein the second rotating mechanism comprises a supporting piece and a base (315), the supporting piece is connected with the bottom of the lower furnace body (3), and a rotating part for driving the supporting piece and the base (315) to rotate relatively is arranged between the supporting piece and the base (315);
the rotating part comprises a second driving device (321), a transfer shaft (322) and at least three supporting wheels (323), the second driving device (321) is in transmission connection with the transfer shaft (322) and can drive the transfer shaft (322) to rotate around a device axis, the transfer shaft (322) is connected with a rotating shaft of the supporting wheels (323) through a pull rod (324), the supporting wheels (323) are circumferentially arranged on the base (315) around the device axis and support the supporting parts, and when the second driving device (321) drives the transfer shaft (322) to rotate, the transfer shaft (322) drives the supporting wheels (323) to roll along a moving path around the device axis.
6. The two-stage rotary silicon-based ferroalloy submerged arc furnace according to claim 5, wherein a first limit rail (313) is arranged on one side of the supporting piece facing the supporting wheel (323), a second limit rail (314) is arranged on one side of the base (315) facing the supporting wheel (323), two side wheel surfaces of the supporting wheel (323) facing the supporting piece and the base (315) are respectively clamped in the first limit rail (313) and the second limit rail (314), and the first limit rail (313) and the second limit rail (314) are used for enabling the supporting wheel (323) to roll along a moving path around the axis of the device only.
7. The two-stage rotary silicon-based ferroalloy submerged arc furnace according to claim 5, wherein the supporting member comprises a bracket (311) and a spoke beam (312), the bracket (311) is connected with the lower furnace body (3), the spoke beam (312) is arranged on one side of the bracket (311) away from the lower furnace body (3), and an insulating pad is arranged between the lower furnace body (3) and the bracket (311).
8. A two-stage rotary silicon-based ferroalloy submerged arc furnace according to claim 1, wherein a gas seal is adopted between the upper furnace body (2) and the lower furnace body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210360890.1A CN114717416B (en) | 2022-04-07 | 2022-04-07 | Two-section type rotary silicon iron alloy ore-smelting electric furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210360890.1A CN114717416B (en) | 2022-04-07 | 2022-04-07 | Two-section type rotary silicon iron alloy ore-smelting electric furnace |
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| CN114717416A CN114717416A (en) | 2022-07-08 |
| CN114717416B true CN114717416B (en) | 2023-10-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011027345A (en) * | 2009-07-27 | 2011-02-10 | Kobe Steel Ltd | Rotary hearth furnace |
| CN105177220A (en) * | 2015-08-28 | 2015-12-23 | 钦州西北冶金设备有限公司 | Multifunctional shakable electric refining furnace for iron alloys |
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| CN213835482U (en) * | 2020-10-11 | 2021-07-30 | 宁夏昌茂祥冶炼有限公司 | Furnace body air-cooled submerged arc furnace |
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2022
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| JP2011027345A (en) * | 2009-07-27 | 2011-02-10 | Kobe Steel Ltd | Rotary hearth furnace |
| CN105177220A (en) * | 2015-08-28 | 2015-12-23 | 钦州西北冶金设备有限公司 | Multifunctional shakable electric refining furnace for iron alloys |
| CN207585325U (en) * | 2017-09-21 | 2018-07-06 | 江苏省冶金设计院有限公司 | A kind of ore-smelting electric furnace device |
| CN213835482U (en) * | 2020-10-11 | 2021-07-30 | 宁夏昌茂祥冶炼有限公司 | Furnace body air-cooled submerged arc furnace |
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