A kind of electrode guide device of electric arc furnace

Abstract

The utility model discloses an electrode guide device for an electric arc furnace, comprising a mounting frame and a lubricating oil pump, wherein guide wheels are fixed on both sides of the top of the mounting frame, and a guide rail is arranged inside the guide wheel, a holder is fixed on the inner bottom end of the guide rail, and the holder is insulated from the guide rail, and the lubricating oil pump is fixed on the outer side of the mounting frame. Compared with the existing electric arc furnace electrode guide device, the electric arc furnace electrode guide device is provided with a timed lubrication mechanism, which can spray lubricating oil regularly to lubricate the track and roller structure, thereby reducing the wear of the track and roller structure, which is beneficial to improving the service life of the device, and the device is provided with a temperature detection and alarm mechanism, which can detect the electrode temperature. When the electrode temperature is too high, the device can sound an alarm to remind personnel to check the problem, avoid reducing the possibility of electrode overburning accidents, and is beneficial to improving the safety of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, in particular to an electrode guide device for an electric arc furnace. Background Art

[0002] The submerged arc furnace is also called an electric arc furnace or a resistance furnace. It is mainly used for reducing and smelting raw materials such as ores, carbonaceous reducing agents and solvents. It mainly produces ferrosilicon, ferromanganese, ferrochrome, ferrotungsten, silicon-manganese alloy and other ferroalloys. It is an important industrial raw material in the metallurgical industry and chemical raw materials such as calcium carbide. The submerged arc furnace is usually equipped with an electrode guide device to control the lifting and positioning of the submerged arc furnace electrode.

[0003] The Chinese authorized announcement number is CN203675361U, and the patent is named a kind of electrode guiding device for a mineral thermal electric furnace. The device includes a furnace cover, an electrode guide wheel arranged on the furnace cover, an electrode holder, and a guide rail arranged on the electrode holder. The utility model positions and guides the electrode by arranging the electrode guide wheel and the guide rail to improve the coincidence degree between the center line of the pressing platform and the center line of the electrode holder, control the electrode swing, reduce the inclination of the electrode caused by uneven distribution, effectively reduce the electrode swing and inclination, prevent the electrode from colliding with the furnace cover, reduce the failure rate of the electrode system and the furnace cover, and at the same time extend the service life of the electrode system and the furnace cover, and reduce the labor intensity and maintenance cost of equipment maintenance personnel.

[0004] Although the above device can extend the service life of the electrode system and the furnace cover, and reduce the labor intensity and maintenance cost of equipment maintenance personnel, there are still some problems when using the device:

[0005] 1. The device does not have a lubrication mechanism and cannot lubricate the guide rails and guide wheels. During use, the guide rails and guide wheels are greatly worn, which reduces their service life.

[0006] 2. The device does not have an electrode temperature detection and alarm mechanism. When the electrode temperature is too high, the device cannot promptly alert personnel, causing the electrode to easily overburn.

[0007] In view of the above situation, technical innovation is carried out on the basis of the existing electrode guiding device. Utility Model Content

[0008] The utility model aims to provide an electrode guide device for an electric arc furnace to solve the problems raised in the above-mentioned background technology.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electrode guide device for an electric arc furnace, comprising a mounting frame and a lubricating oil pump, guide wheels are fixed on both sides of the top of the mounting frame, and a guide rail is arranged on the inner side of the guide wheel, a holder is fixed on the inner bottom end of the guide rail, and the holder is insulated from the guide rail, the lubricating oil pump is fixed to the outer side of the mounting frame, and a time control switch is fixed on one side of the lubricating oil pump, the time control switch is electrically connected to the lubricating oil pump, and an oil pipe is fixed on the liquid outlet end of the lubricating oil pump, and an oil spray port is fixed on the end of the oil pipe.

[0010] Furthermore, a temperature detector is fixed to the middle portion of the inner side of the guide rail, and the temperature detector is a non-contact detector.

[0011] Furthermore, a controller is fixed to the front end of the mounting frame, and the controller is a PLC controller.

[0012] Furthermore, an alarm component is fixed on one side of the controller, and the alarm component includes a loudspeaker alarm and an alarm light, and the alarm light is fixed on the top of the loudspeaker alarm.

[0013] Furthermore, the controller is electrically connected to the temperature detector and the alarm component.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the device is provided with a timed lubrication mechanism, which can spray lubricating oil regularly to lubricate the track and roller structure, thereby reducing the wear of the track and roller structure, which is beneficial to increasing the service life of the device; at the same time, the device is provided with a temperature detection and alarm mechanism, which can detect the electrode temperature; when the electrode temperature is too high, the device can sound an alarm to remind personnel to check the problem, avoid reducing the possibility of electrode overburning accidents, and is beneficial to improving the safety of the device.

[0015] 1. The utility model is provided with a guide wheel, a guide rail, a lubricating oil pump, a time control switch, an oil pipe and an oil spray port. The oil spray port is aligned with the contact portion between the guide wheel and the guide rail. The lubricating oil pump can be externally connected to a lubricating oil tank. The time control switch can be a Chint KG316T model or other time control switches with similar functions. The time control switch is electrically connected to the lubricating oil pump. The staff can set the power-on time and power-on duration of the lubricating oil pump through the time control switch. When the specified time is reached, the time control switch will power on the lubricating oil pump for a period of time. At this time, the lubricating oil pump will draw lubricating oil from the lubricating oil tank and spray it to the contact portion between the guide wheel and the guide rail through the oil pipe and the oil spray port, so that the guide wheel and the guide rail are lubricated for a long time, reducing the wear of the guide wheel and the guide rail. Through the above structure, the device can regularly spray lubricating oil to lubricate the track and roller structure, thereby reducing the wear of the track and roller structure, which is beneficial to increasing the service life of the device.

[0016] 2. The utility model is provided with a temperature detector, a controller, an alarm component, a loudspeaker alarm and an alarm light. The temperature detector is an ultra-high temperature non-contact measuring instrument, and its measuring direction points to the electrode body, and the temperature detector can transmit the temperature information to the controller. When the temperature of the electrode exceeds the specified standard, the controller will control the loudspeaker alarm and the alarm light to turn on, thereby issuing an alarm sound and flashing lights to alarm. After hearing or seeing the alarm information, the personnel can stop adding materials in time and investigate the cause of the high electrode temperature. Through the above structure, when the electrode temperature is too high, the device can issue an alarm to remind the personnel to investigate the problem, avoid reducing the possibility of electrode overburning accidents, and help improve the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view structural diagram of an electrode guide device for a submerged arc furnace according to the utility model;

[0018] Figure 2 The utility model is a partial front view enlarged structural schematic diagram of a mounting frame, a controller and an alarm component of an electrode guide device for an ore-fired furnace.

[0019] In the figure: 1. mounting frame; 2. guide wheel; 3. guide rail; 4. gripper; 5. lubricating oil pump; 6. time control switch; 7. oil pipe; 8. oil injection port; 9. temperature detector; 10. controller; 11. alarm component; 1101. loudspeaker alarm; 1102. alarm light. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-2 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0021] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] like Figure 1 As shown, an electrode guide device for an electric arc furnace includes a mounting frame 1 and a lubricating oil pump 5. Guide wheels 2 are fixed on both sides of the top of the mounting frame 1, and a guide rail 3 is arranged on the inner side of the guide wheel 2. A holder 4 is fixed to the inner bottom end of the guide rail 3, and the holder 4 is insulated from the guide rail 3. The lubricating oil pump 5 is fixed to the outer side of the mounting frame 1, and a time control switch 6 is fixed on one side of the lubricating oil pump 5. The time control switch 6 is electrically connected to the lubricating oil pump 5, and an oil pipe 7 is fixed to the liquid outlet end of the lubricating oil pump 5. An oil injection port 8 is fixed at the end of the oil pipe 7, and the oil injection port 8 is aligned with the contact portion between the guide wheel 2 and the guide rail 3. The lubricating oil pump 5 can be externally connected to a lubricating oil tank, and the time control switch 6 can be a Chint KG316T model or other relevant The time control switch 6 has similar functions. The time control switch 6 is electrically connected to the lubricating oil pump 5. The staff can set the power-on time and power-on duration of the lubricating oil pump 5 through the time control switch 6. When the specified time is reached, the time control switch 6 will make the lubricating oil pump 5 powered on and work for a period of time. At this time, the lubricating oil pump 5 will draw lubricating oil from the lubricating oil tank and spray it to the contact part of the guide wheel 2 and the guide rail 3 through the oil pipe 7 and the oil spray port 8, so that the guide wheel 2 and the guide rail 3 can be lubricated for a long time, reducing the wear of the guide wheel 2 and the guide rail 3. Through the above structure, the device can regularly spray lubricating oil to lubricate the track and roller structure, thereby reducing the wear of the track and roller structure, which is beneficial to increasing the service life of the device.

[0024] like Figure 1 and Figure 2As shown, a temperature detector 9 is fixed to the middle of the inner side of the guide rail 3, and the temperature detector 9 is a non-contact detector. A controller 10 is fixed to the front end of the mounting frame 1, and the controller 10 is a PLC controller 10. An alarm component 11 is fixed to one side of the controller 10, and the alarm component 11 includes a loudspeaker alarm 1101 and an alarm light 1102. The top of the loudspeaker alarm 1101 is fixed with an alarm light 1102. The controller 10 is electrically connected to the temperature detector 9 and the alarm component 11. The temperature detector 9 is an ultra-high temperature non-contact measuring instrument, and its measuring direction points to The electrode body, and the temperature detector 9 can transmit the temperature information to the controller 10. When the temperature of the electrode exceeds the specified standard, the controller 10 will control the loudspeaker alarm 1101 and the alarm light 1102 to turn on, thereby issuing an alarm sound and flashing lights to alarm. After hearing or seeing the alarm information, the personnel can stop adding materials in time and check the reasons for the high electrode temperature. Through the above structure, when the electrode temperature is too high, the device can issue an alarm to remind personnel to check the problem, avoid reducing the possibility of electrode overburning accidents, and help improve the safety of the device.

[0025] In summary: when using the electrode guide device of the submerged arc furnace, first, the mounting frame 1 can be fixed on the submerged arc furnace cover, the guide wheel 2 and the guide rail 3 can position and guide the electrode, the oil nozzle 8 is aligned with the contact part of the guide wheel 2 and the guide rail 3, the lubricating oil pump 5 can be externally connected to the lubricating oil tank, the time control switch 6 can be a Chint KG316T model or other time control switch 6 with similar functions, the time control switch 6 is electrically connected to the lubricating oil pump 5, the staff can set the power-on time and power-on duration of the lubricating oil pump 5 through the time control switch 6, when the specified time is reached, the time control switch 6 will make the lubricating oil pump 5 energized to work for a period of time, at which time the lubricating oil pump 5 will draw lubricating oil from the lubricating oil tank, And it is sprayed to the contact part of the guide wheel 2 and the guide rail 3 through the oil pipe 7 and the oil nozzle 8, so that the guide wheel 2 and the guide rail 3 are kept lubricated for a long time, reducing the wear of the guide wheel 2 and the guide rail 3. The temperature detector 9 is an ultra-high temperature non-contact measuring instrument, and its measuring direction points to the electrode body, and the temperature detector 9 can transmit the temperature information to the controller 10. When the temperature of the electrode exceeds the specified standard, the controller 10 will control the loudspeaker alarm 1101 and the alarm light 1102 to turn on, thereby issuing an alarm sound and flashing lights to alarm. After hearing or seeing the alarm information, the personnel can stop adding materials in time and check the cause of the excessively high electrode temperature. This is the working principle of the electrode guide device of the electric arc furnace.

[0026] The above are only preferred embodiments of the utility model, and do not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A submerged arc furnace electrode guide device, comprising a mounting frame (1) and a lubricating oil pump (5), characterized in that: Guide wheels (2) are fixed on both left and right sides of the top of the mounting frame (1), and a guide rail (3) is arranged inside the guide wheel (2). A holder (4) is fixed to the bottom of the inner side of the guide rail (3), and the holder (4) and the guide rail (3) are insulated. The lubricating oil pump (5) is fixed to the outside of the mounting frame (1), and a time control switch (6) is fixed on one side of the lubricating oil pump (5), and the time control switch (6) is electrically connected to the lubricating oil pump (5). An oil pipe (7) is fixed to the liquid outlet of the lubricating oil pump (5), and an oil injection port (8) is fixed to the end of the oil pipe (7).

2. The electrode guide device of a submerged arc furnace according to claim 1, characterized in that: A temperature detector (9) is fixed at the middle part of the inner side of the guide rail (3), and the temperature detector (9) is a non-contact detector.

3. The electrode guide device of a submerged arc furnace according to claim 1, characterized in that: A controller (10) is fixed at the front end of the mounting frame (1), and the controller (10) is a PLC controller (10).

4. The electrode guide device of a submerged arc furnace according to claim 3, characterized in that: An alarm component (11) is fixed on one side of the controller (10), and the alarm component (11) comprises a loudspeaker alarm (1101) and an alarm light (1102), and the alarm light (1102) is fixed on the top of the loudspeaker alarm (1101).

5. The electrode guide device for a submerged arc furnace according to claim 3, characterized in that: The controller (10) is electrically connected to the temperature detector (9) and the alarm component (11).

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