CN212205677U - Automatic electrode lifting and placing device of ferrosilicon furnace - Google Patents
Automatic electrode lifting and placing device of ferrosilicon furnace Download PDFInfo
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- CN212205677U CN212205677U CN202020897572.5U CN202020897572U CN212205677U CN 212205677 U CN212205677 U CN 212205677U CN 202020897572 U CN202020897572 U CN 202020897572U CN 212205677 U CN212205677 U CN 212205677U
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Abstract
The utility model discloses an automatic device of putting that rises of electrode of ferrosilicon stove, it includes furnace body, frame, first automatic telescopic link, connecting plate, the automatic telescopic link of second, goes up gasbag ferrule, lower gasbag ferrule, electrode holder, electrically conductive copper tile, power, current transformer, transformer and controller. The utility model has the advantages that the structure is simple, the realization is easy, and the function of automatically controlling the electrode lifting and placing is realized; to ensure that the current does not exceed the load; further avoiding damaging the transformer and stopping the electric furnace; the equipment can normally operate, and the economic benefit of enterprises is ensured; the electrode is lowered to supplement the consumed electrode, automatic control is realized, manual operation is avoided, and time and labor are saved.
Description
The technical field is as follows:
the utility model relates to an automatic lifting device, in particular to an automatic lifting device for electrodes of a silicon iron furnace.
Background art:
the ferrosilicon is ferroalloy mainly composed of iron and silicon, and can be used as a deoxidizer in steel making, and can also be used as an alloy element additive and the like; the existing ferrosilicon production mode is to smelt raw materials such as silica, semi-coke, carbonaceous reducing agent and the like in a ferrosilicon electric furnace, wherein the ferrosilicon electric furnace has the working principle that high-voltage electric energy is converted into low-voltage electric energy through a transformer of the ferrosilicon electric furnace, the low-voltage electric energy is connected to an electrode of the ferrosilicon electric furnace through an electric furnace short net and an electric furnace water-cooling cable, and finally the low-voltage electric energy is heated and melted by electric arc heat and resistance heat generated in an ore-smelting electric furnace through the electrode to produce the raw materials; when melting the raw materials for production, the electrode bottom also can melt, consequently need the whereabouts of control electrode, but at present through manual control button lift electrode, consequently at the in-process of lift electrode, can't monitor the current change in the power supply circuit of electrode, after the electric current overload, can damage individual transformer in the circuit, and then lead to the ferrosilicon electric stove blowing out, unable normal operating production has influenced the economic benefits of enterprise.
The utility model has the following contents:
an object of the utility model is to provide an electrode automatic lifting device of a ferrosilicon furnace, which has simple structure and realizes automatic control of electrode lifting.
The utility model discloses by following technical scheme implement: an automatic electrode lifting and placing device of a silicon iron furnace comprises a furnace body, a frame, a first automatic telescopic rod, a connecting plate, a second automatic telescopic rod, an upper air bag hoop, a lower air bag hoop, an electrode holder, a conductive copper tile, a power supply, a current transformer, a transformer and a controller; at least two first automatic telescopic rods are vertically fixed on the rack above the furnace body; a limit sensor is arranged on the rack above the first automatic telescopic rod; the lower end of the first automatic telescopic rod is fixedly connected with the connecting plate; at least two second automatic telescopic rods are vertically fixed on the connecting plate; the upper air bag hoop is fixedly arranged at the top end of the second automatic telescopic rod; a through hole is formed in the center of the connecting plate, and the lower air bag hoop is fixed in the through hole; the electrode sequentially penetrates through the upper air bag hoop and the lower air bag hoop and is arranged in the furnace body; the upper air bag hoop and the lower air bag hoop are clamped on the electrode; the electrode holder is arranged on the electrode between the connecting plate and the outer side of the furnace body, and a plurality of uniformly distributed conductive copper tiles are clamped between the electrode holder and the electrode; the power supply is electrically connected with the conductive copper tile of each electrode respectively; the current transformer and the transformer are sequentially connected in series on a circuit between each power supply and each electrode; the signal output ends of the limiting sensor and the current transformer are connected with the signal input end of the controller through signals; and the signal output end of the controller is respectively in signal connection with the signal input ends of the first automatic telescopic rod, the second automatic telescopic rod and the transformer.
Further, the air supply device also comprises an air source, a first inflation valve, a first deflation valve, a second inflation valve and a second deflation valve; the air source is respectively communicated with the air inlets of the upper air bag hoop and the lower air bag hoop through pipelines; the pipeline between the air source and the upper air bag hoop is provided with the first inflation valve, and the air outlet of the upper air bag hoop is provided with the first deflation valve; the second inflation valve is arranged on a pipeline between the air source and the lower air bag hoop; the second air release valve is arranged at the air outlet of the lower air bag hoop; and the signal output end of the controller is respectively connected with the signal input ends of the first inflation valve, the first deflation valve, the second inflation valve and the second deflation valve through signals.
The utility model has the advantages that: 1. the utility model has simple structure and easy realization, and realizes the function of automatically controlling the lifting and releasing of the electrode; the current signal is transmitted to the controller through the current transformer, and the controller controls the first automatic telescopic rod to ascend and descend according to the magnitude of the current; to ensure that the current does not exceed the load; further avoiding damaging the transformer and stopping the electric furnace; the equipment can normally operate, and the economic benefit of enterprises is ensured; 2. the controller controls the first inflation valve, the first deflation valve, the second inflation valve and the second deflation valve to be opened and closed at certain intervals, and the second automatic telescopic rod stretches out and contracts to realize the descending of the electrode so as to supplement the consumed electrode, realize automatic control, avoid manual operation and save time and labor.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the system control of the present invention.
The device comprises a furnace body 1, a frame 2, a first automatic telescopic rod 3, a connecting plate 4, a second automatic telescopic rod 5, an upper air bag hoop 6, a lower air bag hoop 7, an electrode 8, an electrode holder 9, a conductive copper tile 10, a power supply 11, a current transformer 12, a transformer 13, a controller 14, an air source 15, a first inflation valve 16, a first deflation valve 17, a second inflation valve 18, a second deflation valve 19 and a limit sensor 20.
The specific implementation mode is as follows:
as shown in fig. 1-2, an electrode automatic lifting and releasing device of a silicon iron furnace comprises a furnace body 1, a frame 2, a first automatic telescopic rod 3, a connecting plate 4, a second automatic telescopic rod 5, an upper air bag hoop 6, a lower air bag hoop 7, an electrode 8, an electrode holder 9, a conductive copper tile 10, a power supply 11, a current transformer 12, a transformer 13, a controller 14, an air source 15, a first inflation valve 16, a first release valve 17, a second inflation valve 18 and a second release valve 19; at least two first automatic telescopic rods 3 are vertically fixed on the frame 2 above the furnace body 1; a limit sensor 20 is arranged on the frame 2 above the first automatic telescopic rod 3; the lower end of the first automatic telescopic rod 3 is fixedly connected with a connecting plate 4; at least two second automatic telescopic rods 5 are vertically fixed on the connecting plate 4; an upper air bag hoop 6 is fixedly arranged at the top end of the second automatic telescopic rod 5; a through hole is formed in the center of the connecting plate 4, and a lower air bag hoop 7 is fixed in the through hole; the electrode 8 sequentially penetrates through the upper air bag hoop 6 and the lower air bag hoop 7 and is arranged in the furnace body 1; the upper air bag hoop 6 and the lower air bag hoop 7 are clamped on the electrode 8; an electrode holder 9 is arranged on an electrode 8 between the connecting plate 4 and the outer side of the furnace body 1, and a plurality of conductive copper tiles 10 which are uniformly distributed are clamped between the electrode holder 9 and the electrode 8; the power supply 11 is respectively electrically connected with the conductive copper tile 10 of each electrode 8; a current transformer 12 and a transformer 13 are connected in series in this order in the circuit between each power source 11 and each electrode 8.
The air source 15 is respectively communicated with the air inlets of the upper air bag hoop 6 and the lower air bag hoop 7 through pipelines; a first inflation valve 16 is arranged on a pipeline between the air source 15 and the upper air bag hoop 6, and a first deflation valve 17 is arranged at an air outlet of the upper air bag hoop 6; a second inflation valve 18 is arranged on a pipeline between the air source 15 and the lower air bag hoop 7; a second deflation valve 19 is arranged at the air outlet of the lower air bag hoop 7;
the signal output ends of the limit sensor 20 and the current transformer 12 are connected with the signal input end of the controller 14 through signals; the signal output end of the controller 14 is respectively connected with the signal input ends of the first automatic telescopic rod 3, the second automatic telescopic rod 5, the transformer 13, the first inflation valve 16, the first deflation valve 17, the second inflation valve 18 and the second deflation valve 19 through signals.
The working process is as follows: in the running process of the silicon-iron electric furnace, the current transformer 12 transmits current signals on the corresponding electrodes 8 to the controller 14 at any time, and when the detected current is larger than 290A, the controller 14 controls the first automatic telescopic rod 3 to contract to drive the connecting plate 4 to ascend, so as to drive the electrodes 8 clamped in the upper air bag hoop 6 and the lower air bag hoop 7 to ascend; when the electric quantity is less than 290A, the controller 14 controls the first automatic telescopic rod 3 to stop, and further controls the electrode 8 to stop rising; when the detected current is larger than 315A, the controller 14 controls the transformer 13 to trip and power off, so that the electrode 8 stops electrifying, and the silicon-iron electric furnace stops running; when the limit sensor 20 senses the electrode 8, the electrode 8 is indicated to rise to the highest limit, at the moment, the limit sensor 20 sends a signal to the controller 14, the controller 14 controls the transformer 13 to trip and power off, the electrode 8 stops being electrified, and the silicon-iron electric furnace stops running; the utility model realizes the control of the lifting and the releasing of the electrode 8 according to the current; the current is ensured not to exceed the load in the running process of the equipment; further avoiding damage to the transformer 13 and furnace shutdown of the electric furnace; the equipment can normally operate, and the economic benefit of enterprises is guaranteed.
At certain intervals, the controller 14 controls the electrode 8 to descend for a certain distance to replenish the consumed electrode 8, and the specific working process is as follows: when a certain time is reached, the controller 14 controls the second deflation valve 19 to open, so that the lower air bag hoop 7 is deflated (namely, the lower air bag hoop 7 is not positioned on the hoop electrode 8); after a certain time delay, the controller 14 controls the second air release valve 19 to close, controls the second automatic telescopic rod 5 to contract, and drives the electrode 8 to descend by the upper air bag hoop 6; after a certain time delay, the controller 14 controls the second automatic telescopic rod 5 to stop, controls the second inflation valve 18 to open, and starts to inflate the lower air bag hoop 7 (namely, the lower air bag hoop 7 is full of air, and clamps the electrode 8 again); after a certain time delay, the controller 14 controls the first deflation valve 17 to open, and the upper air bag hoop 6 deflates (namely the upper air bag hoop 6 is not positioned on the hoop electrode 8); after a certain time delay, the controller 14 controls the first air release valve 17 to be closed and controls the second automatic telescopic rod 5 to extend, so that the upper air bag hoop 6 is lifted to the original position; after a certain time delay, the controller 14 controls the second automatic telescopic rod 5 to stop, controls the first inflation valve 16 to open, starts to inflate the upper air bag hoop 6, namely the upper air bag hoop 6 is full of air, and clamps the electrode 8 again; the lowering of the primary electrode 8 is completed; after a certain time interval, the working process is carried out; the electrode 8 can be automatically controlled to descend by the cyclic reciprocating to supplement the consumed electrode 8, so that the manual operation is avoided, and the time and the labor are saved; the utility model discloses simple structure easily realizes.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. An automatic electrode lifting and placing device of a silicon iron furnace is characterized by comprising a furnace body, a frame, a first automatic telescopic rod, a connecting plate, a second automatic telescopic rod, an upper air bag hoop, a lower air bag hoop, an electrode holder, a conductive copper tile, a power supply, a current transformer, a transformer and a controller;
at least two first automatic telescopic rods are vertically fixed on the rack above the furnace body; a limit sensor is arranged on the rack above the first automatic telescopic rod; the lower end of the first automatic telescopic rod is fixedly connected with the connecting plate;
at least two second automatic telescopic rods are vertically fixed on the connecting plate; the upper air bag hoop is fixedly arranged at the top end of the second automatic telescopic rod;
a through hole is formed in the center of the connecting plate, and the lower air bag hoop is fixed in the through hole;
the electrode sequentially penetrates through the upper air bag hoop and the lower air bag hoop and is arranged in the furnace body; the upper air bag hoop and the lower air bag hoop are clamped on the electrode;
the electrode holder is arranged on the electrode between the connecting plate and the outer side of the furnace body, and a plurality of uniformly distributed conductive copper tiles are clamped between the electrode holder and the electrode;
the power supply is electrically connected with the conductive copper tile of each electrode respectively; the current transformer and the transformer are sequentially connected in series on a circuit between each power supply and each electrode;
the signal output ends of the limiting sensor and the current transformer are connected with the signal input end of the controller through signals; and the signal output end of the controller is respectively in signal connection with the signal input ends of the first automatic telescopic rod, the second automatic telescopic rod and the transformer.
2. The automatic electrode lifting and releasing device for the silicon-iron furnace as claimed in claim 1, further comprising an air source, a first inflation valve, a first release valve, a second inflation valve and a second release valve;
the air source is respectively communicated with the air inlets of the upper air bag hoop and the lower air bag hoop through pipelines;
the pipeline between the air source and the upper air bag hoop is provided with the first inflation valve, and the air outlet of the upper air bag hoop is provided with the first deflation valve;
the second inflation valve is arranged on a pipeline between the air source and the lower air bag hoop; the second air release valve is arranged at the air outlet of the lower air bag hoop;
and the signal output end of the controller is respectively connected with the signal input ends of the first inflation valve, the first deflation valve, the second inflation valve and the second deflation valve through signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020897572.5U CN212205677U (en) | 2020-05-25 | 2020-05-25 | Automatic electrode lifting and placing device of ferrosilicon furnace |
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| CN202020897572.5U CN212205677U (en) | 2020-05-25 | 2020-05-25 | Automatic electrode lifting and placing device of ferrosilicon furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659373A (en) * | 2022-03-22 | 2022-06-24 | 宁夏昌茂祥冶炼有限公司 | Submerged arc furnace system with automatic electrode lifting function and control method thereof |
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2020
- 2020-05-25 CN CN202020897572.5U patent/CN212205677U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659373A (en) * | 2022-03-22 | 2022-06-24 | 宁夏昌茂祥冶炼有限公司 | Submerged arc furnace system with automatic electrode lifting function and control method thereof |
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