CN217818148U - Automatic power-on trolley for rotary submerged arc furnace - Google Patents
Automatic power-on trolley for rotary submerged arc furnace Download PDFInfo
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- CN217818148U CN217818148U CN202221646928.3U CN202221646928U CN217818148U CN 217818148 U CN217818148 U CN 217818148U CN 202221646928 U CN202221646928 U CN 202221646928U CN 217818148 U CN217818148 U CN 217818148U
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Abstract
The utility model provides an automatic power-on trolley for a rotary submerged arc furnace, which comprises a movable carrier, a turnover mechanism and a power-on mechanism, wherein the movable carrier is movably arranged on an arc-shaped hanger rail, the arc-shaped hanger rail is close to the rotary submerged arc furnace and corresponds to the arrangement of a fixed copper bar, and the arc-shaped hanger rail is wound around the furnace body of all or part of the submerged arc furnace; the turnover mechanism is arranged on the movable carrier, the output part of the turnover mechanism is a crankshaft, and the crankshaft can perform turnover action; the power-on mechanism is installed on the moving carrier and comprises a bus expansion joint, a power-on copper bar and a switching copper bar, the power-on copper bar and the switching copper bar are connected through the bus expansion joint, a power-on copper bar power-on surface is located above the moving carrier and can move downwards under the driving of a crankshaft to electrically connect or electrically disconnect the fixed copper bar to be in contact with, the switching copper bar is located below the moving carrier, and the switching copper bar is electrically connected with the eye burner. The utility model discloses in, go up electric mechanism and can need the circular telegram outage according to the furnace conditions in operation process, realize that rotatory hot stove copper bar in ore deposit is automatic to go up electric, the outage operation.
Description
Technical Field
The utility model discloses generally, relate to the equipment of coming out of the stove, particularly, relate to an equipment of coming out of the stove that is used for automatic electricity of hot stove copper bar in rotatory ore deposit, outage.
Background
At present, the rotary submerged arc furnace needs to supply power through the copper bars and the buses when the penetrator is used for discharging, each power-on copper bar is connected with each bus and is supplied to each penetrator, and the contact and disconnection between the power-on copper bar and the fixed copper bar are controlled through a manual operation winch in the process, so that power-on and power-off are realized. Because required electric current is very big, when the manual work was electrified, the operation capstan winch control was gone up the electric copper bar and is not fixed with the distance of fixed copper bar, exists contact failure and causes and strike sparks, and it is nearer to go up the electric position apart from manual operation position, thereby it is improper to go up the electric position and lead to going up the electric generating line and have the range of rocking big, probably causes the possibility of electrocuteeing, burning, catching fire with people, equipment contact. Therefore, the power-on and power-off of the manual operation is very dangerous, and particularly when the shaking amplitude of the power-on bus is large, the power-on bus is in contact with personnel or equipment, so that the personnel and the equipment are injured and damaged. In addition, because the artifical electricity on have the problem of copper bar contact failure and lead to the copper bar when unusual phenomena such as strike sparks, if from higher level's electric brake outage, complex operation and because two to three electricity copper bars of electricity of a fixed copper bar collocation usually, this operation can lead to other electricity copper bars to cut off the power supply, influence the use of other ware that burn of this stove, extravagant valuable time of coming out of the stove, there is the danger that personnel electrocute, burn in manual operation moreover. Finally, because the power-on position of the rotary submerged arc furnace needs to be changed during operation in the rotation process, the requirements of frequent power on and power off exist, the manual operation is long in time consumption, potential safety hazards exist, the furnace discharging time is long, the production progress can be delayed, personnel and equipment are damaged, the cost is objectively improved, and the working efficiency is reduced.
Therefore, how to realize automatic power on and power off and improve the controllability of operation is a technical problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at overcomes above-mentioned prior art's at least defect, provides one kind and can go up electricity, outage automatically to improve the automatic electric dolly of going up of the hot stove in rotatory ore deposit of the controllability of operation.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
according to the utility model discloses an aspect provides a dolly is gone up to hot stove automation in rotatory ore deposit for the hot stove copper bar in rotatory ore deposit is automatic to be gone up, cut off the power supply, the furnace body outer fringe top of the hot stove in ore deposit is provided with fixed copper bar, include:
the movable carrier is movably arranged on an arc-shaped hanging rail, the arc-shaped hanging rail is close to the rotary submerged arc furnace and is arranged corresponding to the fixed copper bar, and the arc-shaped hanging rail is wound around the whole or part of the furnace body of the submerged arc furnace;
the turnover mechanism is arranged on the moving carrier, the output part of the turnover mechanism is a crankshaft, and the crankshaft can perform turnover action;
the power-on mechanism is arranged on the movable carrier and comprises a bus expansion joint, a power-on copper bar and a switching copper bar, the power-on copper bar is connected with the switching copper bar through the bus expansion joint, a power-on copper bar power connection surface is located above the movable carrier and can move downwards under the driving of the crankshaft to electrically connect or disconnect the fixed copper bar contact, the switching copper bar is located below the movable carrier, and the switching copper bar is electrically connected with the eye burner.
According to the utility model discloses an embodiment, the arc hanger rail with the outer wall of the hot stove in rotatory ore deposit is parallel, set up the gear on the removal carrier, the gear with round pin tooth meshing on the arc hanger rail.
According to the utility model discloses an embodiment, the gear passes through motor drive, so that it can follow to remove the carrier the arc hanger rail walking to arbitrary operating position.
According to the utility model discloses an embodiment, the gear sets up on U type frame, U type frame presss from both sides and leans on the arc hanger rail, the round pin tooth set up in one side of arc hanger rail.
According to the utility model discloses an embodiment, remove the carrier and still include the frame, from driving wheel and leading wheel, the motor is installed on the frame, U type frame is two, all connects the setting and is in the frame top, it corresponds from the driving wheel the gear is installed on first U type frame to the roll cooperation the arc hanger rail, the leading wheel is installed on second U type frame, and the roll cooperation the arc hanger rail.
According to the utility model discloses an embodiment, first U type frame with set gradually around the U type frame, so that the frame balance set up in the below of arc hanger rail.
According to the utility model discloses an embodiment, tilting mechanism includes driver and bent axle, the bent axle includes pivot, input turning handle and output turning handle, the pivot is installed remove on the carrier, the input turning handle with the output of driver is articulated, the end of output turning handle supports and leans on go up the lower part of electricity copper bar.
According to an embodiment of the present invention, the actuator is a cylinder.
According to the utility model discloses an embodiment, tilting mechanism still includes air cleaner and solenoid valve, solenoid valve control gas circuit changes, controls the flexible of cylinder to can be in electric connection fixed copper bar and electrical property disconnection switch between the two kinds of states of fixed copper bar.
According to the utility model discloses an embodiment, it is provided with insulation system to go up electric copper bar lower part, in order to cut off the output turning handle with electric connection between the electric copper bar.
According to the above technical scheme, the utility model discloses an advantage and the positive effect of electricity dolly on the hot stove automation in rotatory ore deposit lie in:
the utility model discloses in, set up the arc hanger rail along the hot stove in rotatory ore deposit, remove the carrier and remove above that, go up electric mechanism and can need circular telegram, outage according to the furnace conditions in operation process to can realize that the hot stove copper bar of rotatory ore deposit is automatic to go up electric, outage operation, improve whole operation process's controllability.
Drawings
The following detailed description of the preferred embodiments of the present invention is considered in conjunction with the accompanying drawings, various objects, features and advantages of the present invention will become more apparent. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:
fig. 1 is a schematic diagram of an automatic power-on trolley of the rotary submerged arc furnace according to the present invention, which is shown in an exemplary embodiment.
Fig. 2 is a schematic view of a part of an assembly of an automatic power-on trolley of the rotary submerged arc furnace according to the present invention, which is shown in an exemplary embodiment.
Fig. 3 is a schematic view of the assembly of the automatic power-on cart part of the rotary submerged arc furnace according to the present invention shown in an exemplary embodiment.
Fig. 4 is a schematic view of the assembly of the upper motor mechanism in the automatic power-on trolley of the rotary submerged arc furnace according to the present invention shown in an exemplary embodiment.
Fig. 5 is a schematic assembly diagram of the power-on mechanism in the automatic power-on trolley for the rotary submerged arc furnace according to the present invention shown in an exemplary embodiment.
Fig. 6 is a schematic view of a camera system in an automatic power-on trolley of the rotary submerged arc furnace according to the present invention shown in an exemplary embodiment.
Fig. 7 is a schematic diagram of a follow-up frame in the tapping device of the rotary submerged arc furnace according to the present invention shown in an exemplary embodiment.
Fig. 8 is a schematic view of a furnace body monitoring system in an automatic power-on trolley of the rotary submerged arc furnace according to the present invention, which is shown in an exemplary embodiment.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as 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 concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
In the following description of different examples of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration different example structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "top," "bottom," "front," "rear," "side," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of the invention.
Fig. 1 is a schematic diagram of an automatic power-on trolley of the rotary submerged arc furnace according to the present invention, which is shown in an exemplary embodiment.
Fig. 2 is a schematic view of a part of an assembly of an automatic power-on trolley of the rotary submerged arc furnace according to the present invention, which is shown in an exemplary embodiment.
Fig. 3 is a schematic view of the assembly of the automatic power-on cart part of the rotary submerged arc furnace according to the present invention shown in an exemplary embodiment.
Fig. 4 is a schematic view of the assembly of the upper motor mechanism in the automatic power-on trolley of the rotary submerged arc furnace according to the present invention shown in an exemplary embodiment.
Fig. 5 is a schematic assembly diagram of the power-on mechanism in the automatic power-on trolley for the rotary submerged arc furnace according to the present invention shown in an exemplary embodiment.
Fig. 6 is a schematic view of a camera system in an automatic power-on trolley of the rotary submerged arc furnace according to the present invention shown in an exemplary embodiment.
Fig. 7 is a schematic diagram of a follow-up frame in the tapping device of the rotary submerged arc furnace according to the present invention shown in an exemplary embodiment.
Fig. 8 is a schematic view of a furnace body monitoring system in an automatic power-on trolley of the rotary submerged arc furnace according to the present invention, which is shown in an exemplary embodiment.
As shown in fig. 1 to 8, the automatic power-on trolley for the rotary submerged arc furnace of the embodiment is used for automatically powering on and powering off a copper bar of the rotary submerged arc furnace, and comprises an arc-shaped hanger rail 2, a movable carrier 3, a power-on mechanism 4, a camera system 5, a remote control system 6 and a furnace body monitoring system 7. Wherein, the arc-shaped hanging rail 2 is arranged close to the rotary submerged arc furnace 1, and the outer part of the arc-shaped hanging rail surrounds the furnace body of the whole or part of the rotary submerged arc furnace 1. The movable carrier 3 is movably arranged on the arc-shaped hanging rail 2. The electrifying mechanism 4 is mounted on the moving carrier 3. The camera system 5 is used for monitoring the states of the rotary submerged arc furnace 1, the movable carrier 3 and the electrifying mechanism 4. The remote control system 6 is separately arranged far away from the operation site of the rotary submerged arc furnace 1, and controls the movable carrier 3 and the electrifying mechanism 4 according to the information sent by the camera system 5 and the furnace body monitoring system 7.
In this embodiment, the mobile carrier 3 and the camera system 5 move synchronously with the rotary submerged arc furnace 1 under the control of data transmitted by the furnace body monitoring system 7, so as to ensure that the relative positions of the mobile carrier 3 and the camera system 5 with the rotary submerged arc furnace 1 are always kept correct in the operation process. The furnace body monitoring system 7 is arranged on the furnace body of the rotary submerged arc furnace 1, a gear of the furnace body monitoring system 7 is meshed with a furnace body rotating pin tooth of the rotary submerged arc furnace 1 to read furnace body rotating data, and the furnace discharging equipment rotates the same angle according to the read data, so that the relative position of the automatic power-on trolley of the rotary submerged arc furnace and the rotary submerged arc furnace is always kept correct in the operation process. As shown in fig. 8, the furnace body of the rotary submerged arc furnace 1 is rotated by a gear driving pin 11 to drive the whole furnace body to rotate, a fixing plate 12 is arranged on the furnace body, a furnace body monitoring system 7 is arranged on the fixing plate 12, the furnace body monitoring system 7 is composed of a chain wheel 71, a transmission shaft 72 and an encoder 73, the chain wheel 71 is meshed with the furnace body pin 11, the furnace body rotates to drive the chain wheel 71 to rotate, the rotating data is transmitted to the encoder through the transmission shaft 72, and then the furnace body rotation angle is obtained through calculation, so that the movable carrier 3 rotates along the arc-shaped hanging rail 2 by the same angle, and the relative position of the movable carrier 3 and the furnace body is ensured to be always accurate. The synchronous operation of the camera system 5 refers to the above-described operation procedure.
In this embodiment, the arc-shaped hanging rail 2 is parallel to the outer wall of the rotary submerged arc furnace 1, the gear 31 is arranged on the moving carrier 3, the gear 31 is engaged with the pin teeth 21 on the arc-shaped hanging rail 2, and the gear 31 is driven by the motor 32, so that the moving carrier 3 can travel to any working position along the arc-shaped hanging rail 2. After the moving carrier 3 moves to the working position, the motor 32 enters a braking state, the gear 31 stops rotating and is clamped with the pin teeth 21 to keep a locking state, and the moving carrier 3 is fixed on the arc-shaped hanging rail 2. The arc-shaped hanger rail 2 is fixed with a fixed copper bar 22 which is connected with a main power supply and used for transmitting current.
In this embodiment, the gear 31 on the moving carrier 3 is engaged with the pin teeth 21 on the arc-shaped hanging rail 2, the motor drives the gear 31 to rotate, and the moving carrier 3 can travel to any working position along the arc-shaped hanging rail 2 to perform the power-on and power-off processes. After the movable carrier 3 moves to the working position, the motor 32 starts the braking function, the gear 31 stops rotating and is clamped with the pin teeth 21 to keep a locking state, the movable carrier 3 is fixed at any position of the arc-shaped hanging rail 2, and the discharging operation is carried out. The moving carrier 3 keeps still along the direction of the arc-shaped hanging rail 2 in the operation process, and is stable and free of shaking in the operation process.
In this embodiment, the moving carrier 3 includes a gear 31, a motor 32, a driven wheel 33, and a guide wheel 34. The gear 31 is connected to the transmission shaft of the motor 32 and is contacted with the arc-shaped hanging rail 2; the driven wheel 33 is fixed on the main frame 38 and plays a role in supporting and assisting walking; the guide wheel 34 is fixed on the main frame 38 and is contacted with the vertical surface of the arc-shaped hanging rail 2 for adjusting the horizontal position of the movable carrier 3 in the arc-shaped hanging rail 2; an encoder 37 is fixed to the drive shaft of the motor 32 for collecting motion data of the moving carrier 3 for transmission to the remote control system 6.
In this embodiment, the electrifying mechanism 4 includes an electrifying cylinder 41, an electrifying copper bar 42, a switching copper bar 43, a bus expansion joint 44, an air filter 45, an electromagnetic valve 46 and a crankshaft 47, and the stretching and shrinking of the electrifying cylinder 41 are realized by controlling an air path; the electrifying cylinder 41 is hinged on the movable carrier 3; the electrifying copper bar 42 is hinged on the crankshaft 47 and is connected with the electrifying cylinder 41 through the crankshaft 47; the switching copper bar 43 is fixed on the movable carrier 3, one end of the switching copper bar is connected with the power-on copper bar 42 through the bus expansion joint 44, and the other end of the switching copper bar is connected to the bus. When the electric furnace is powered on, when an operator normally performs furnace discharging operation in an operation room, the remote control system 6 can drive the gear 31 to rotate by controlling the motor 32 to operate according to information sent by the camera system 5 and the furnace body monitoring system 7, so that the movable carrier 3 moves on the arc-shaped hanging rail 2, the encoder 37 sends operation data of the motor 32 to the remote control system 6 during movement, when the movable carrier 3 moves to a proper position, the motor 32 starts a braking function, the gear 31 stops rotating and is clamped with the pin teeth 21 to keep a locking state, the movable carrier 3 is fixed at a specified position of the arc-shaped hanging rail 2, the powered air cylinder 41 extends out to drive the crankshaft 47 to rotate, the powered copper bar 42 is further pushed to move upwards and contact with the fixed copper bar 22, and then power is obtained, current passes through the powered copper bar 42 from the fixed copper bar 22, the bus expansion joint 44 and the switching copper bar 43 is finally transmitted to a bus, and the powered operation is completed. The action of the power-off operation is reversed with reference to the above-described action procedure.
In this embodiment, the camera system 5 includes a camera 534 and a following frame 53, the camera 534 is installed in the heat insulation box 533 of the following frame 53, the following frame 53 is movably installed on the hanging rail 51, and the hanging rail 51 is suspended and parallel to the outer wall of the rotary submerged arc furnace 1.
In this embodiment, the front camera 534 is mounted on the hanger rail 51, and the camera 534 is mounted in the heat insulation box 533 under the follower frame 53, and moves together with the follower frame 53. The motor and the wire rope reel 52 are installed at two ends of the camera hanger rail 51, the wire rope 531 is arranged in the stroke range of the whole camera hanger rail 51, the wheel set 532 is arranged at the upper part of the follow-up frame 53 and clamped on the camera hanger rail 51, the wire rope clip is arranged to clamp the follow-up frame 53 on the wire rope 531, and the motor drives the wire rope reel to rotate so that the wire rope 531 drives the follow-up frame 53 to move along the camera hanger rail 51. The camera 534 can be rotated in synchronization with the furnace eye based on data obtained from the rotary submerged arc furnace 1.
In this embodiment, motors and wire rope reels are installed at two ends of the hanger rail 51, the wire rope 531 is arranged in the stroke range of the whole camera 534 on the hanger rail 51, the wheel set 532 is arranged at the upper part of the follower frame 53, the wheel set 532 is clamped on the hanger rail 51, the follower frame 53 is clamped on the wire rope 531 by the clamp of the wire rope 531, the motor drives the wire rope reel 52 to rotate, the wire rope 531 drives the follower frame 53 to move along the hanger rail 51, and the furnace body rotation data is read by the furnace body monitoring system 7, so that the camera 534 and the furnace eye of the rotary submerged arc furnace 1 rotate synchronously.
In this embodiment, the camera 534 is used for shooting the furnace eye, the tool rack and the furnace front environment of the rotary submerged arc furnace 1, and the remote control system 6 displays the furnace front operation picture through the operation panel and sends an action instruction to the mobile carrier 3 and the power-on mechanism 4 according to the feedback condition. The camera 534 shoots the environment in front of the furnace, the position of the movable carrier 3 and the like, and an operator performs operation by displaying a screen in front of the furnace on the operation platform during discharging operation.
According to the technical scheme, the automatic power-on trolley for the rotary submerged arc furnace has the advantages and positive effects that:
according to the invention, the arc-shaped hanging rail 2 is arranged along the rotary submerged arc furnace 1, the movable carrier 3 moves on the arc-shaped hanging rail, the electrifying mechanism 4 can be electrified and powered off according to the requirements of furnace conditions in the operation process, so that the automatic electrifying and powering off operation of the copper bar of the rotary submerged arc furnace can be realized, the furnace body monitoring system 7 monitors furnace body rotation data, the camera system 5 carries out real-time follow-up shooting, and the remote control system 6 controls the movable carrier 3 and the electrifying mechanism 4 according to the furnace body rotation data provided by the furnace body monitoring system 7 and the information transmitted by the camera system 5, so that the operation is safe and reliable, and the controllability of the whole operation process is improved.
It is to be understood by one of ordinary skill in the art that the specific structures and processes shown in the detailed description are exemplary only and not limiting. Moreover, a person skilled in the art can combine the various technical features described above in various possible ways to form new technical solutions, or make other modifications, all of which fall within the scope of the present invention.
Claims (10)
1. The utility model provides a dolly is gone up to hot stove automation in rotatory ore deposit for the hot stove copper bar in rotatory ore deposit is automatic to be gone up, cut off the power supply, the furnace body outer fringe top of the hot stove in ore deposit is provided with fixed copper bar, its characterized in that includes:
the movable carrier is movably arranged on an arc-shaped hanging rail, the arc-shaped hanging rail is close to the rotary submerged arc furnace and is arranged corresponding to the fixed copper bar, and the arc-shaped hanging rail is wound around the whole or part of the furnace body of the submerged arc furnace;
the turnover mechanism is arranged on the moving carrier, the output part of the turnover mechanism is a crankshaft, and the crankshaft can perform turnover action;
the power-on mechanism is arranged on the movable carrier and comprises a bus expansion joint, a power-on copper bar and a switching copper bar, the power-on copper bar is connected with the switching copper bar through the bus expansion joint, a power-on copper bar power connection surface is located above the movable carrier and can move downwards under the driving of the crankshaft to electrically connect or disconnect the fixed copper bar contact, the switching copper bar is located below the movable carrier, and the switching copper bar is electrically connected with the eye burner.
2. The automatic power-on trolley for the rotary submerged arc furnace as claimed in claim 1, wherein the arc-shaped hanging rail is parallel to the outer wall of the rotary submerged arc furnace, and the moving carrier is provided with a gear which is engaged with the pin teeth on the arc-shaped hanging rail.
3. The automatic power-on trolley for the rotary submerged arc furnace as claimed in claim 2, wherein the gear is driven by a motor so that the moving carrier can travel to any working position along the arc-shaped hanger rail.
4. The automatic power-on trolley for the rotary submerged arc furnace as claimed in claim 2, wherein the gear is arranged on a U-shaped frame, the U-shaped frame is clamped against the arc-shaped hanging rail, and the pin teeth are arranged on one side of the arc-shaped hanging rail.
5. The automatic power-on cart for the rotary submerged arc furnace as claimed in claim 4, wherein the moving carrier further comprises a frame, two driven wheels and a guide wheel, the motors are mounted on the frame, the two U-shaped frames are connected and disposed above the frame, the driven wheels are mounted on the first U-shaped frame corresponding to the gears and are in rolling engagement with the arc-shaped hanger rails, and the guide wheel is mounted on the second U-shaped frame and is in rolling engagement with the arc-shaped hanger rails.
6. The automatic power-on trolley for the rotary submerged arc furnace as claimed in claim 5, wherein the first U-shaped frame and the U-shaped frame are sequentially arranged in a front-to-back manner, so that the frame is balanced and arranged below the arc-shaped hanger rail.
7. The automatic power-on cart for the rotary submerged arc furnace as claimed in claim 1, wherein the turnover mechanism comprises a driver and a crankshaft, the crankshaft comprises a rotating shaft, an input rotating handle and an output rotating handle, the rotating shaft is mounted on the movable carrier, the input rotating handle is hinged with an output part of the driver, and the tail end of the output rotating handle abuts against the lower part of the power-on copper bar.
8. The automatic power-on carriage for a rotary submerged arc furnace of claim 7 wherein said actuator is a pneumatic cylinder.
9. The automatic power-on cart for the rotary submerged arc furnace as claimed in claim 8, wherein the turnover mechanism further comprises an air filter and a solenoid valve, the solenoid valve controls the change of the air path and the expansion and contraction of the air cylinder, so as to switch between two states of electrically connecting the fixed copper bar and electrically disconnecting the fixed copper bar.
10. The automatic power-on trolley for the rotary submerged arc furnace as claimed in claim 7, wherein an insulating structure is disposed under the power-on copper bar to isolate the electrical connection between the output crank and the power-on copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221646928.3U CN217818148U (en) | 2022-06-28 | 2022-06-28 | Automatic power-on trolley for rotary submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221646928.3U CN217818148U (en) | 2022-06-28 | 2022-06-28 | Automatic power-on trolley for rotary submerged arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217818148U true CN217818148U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221646928.3U Active CN217818148U (en) | 2022-06-28 | 2022-06-28 | Automatic power-on trolley for rotary submerged arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217818148U (en) |
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2022
- 2022-06-28 CN CN202221646928.3U patent/CN217818148U/en active Active
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