CN201429423Y - Device for detecting position of electrode cross beam of electric arc furnace - Google Patents
Device for detecting position of electrode cross beam of electric arc furnace Download PDFInfo
- Publication number
- CN201429423Y CN201429423Y CN2009200937729U CN200920093772U CN201429423Y CN 201429423 Y CN201429423 Y CN 201429423Y CN 2009200937729 U CN2009200937729 U CN 2009200937729U CN 200920093772 U CN200920093772 U CN 200920093772U CN 201429423 Y CN201429423 Y CN 201429423Y
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- electrode
- crossbeam
- stay cord
- draw ring
- hydraulic cylinder
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Abstract
The utility model discloses a device for detecting the position of an electrode cross beam of an electric arc furnace, which consists of two hydraulic cylinders, two position sensors connected with the hydraulic cylinders, two stay cords of the two position sensors and two adjustable pull rings connected with the stay cords, wherein the two hydraulic cylinders are arranged at the lower ends of thetwo sides of the electrode cross beam so as to control the rising and falling of the electrode cross beam; the two position sensors are used for detecting the position of the crossbeam through the stay cords and the adjustable pull rings, thereby detecting further whether the electrode crossbeam is balanced. Moreover, the deviation is calculated according to the rising or falling number of the electrode during the smelting process of the electric arc furnace, thereby controlling the driving device of the electrode crossbeam, ensuring the balance of the position of the electrode crossbeam during the operating process of the electric arc furnace, and ensuring the position parameter of the hydraulic cylinder to be displayed and controllable. The utility model has the advantages that the position of electrode crossbeam can be correctly detected quickly, so as to control the balance of the position of the electrode crossbeam, and reduce the electrical consumption.
Description
Technical field
The utility model belongs to the Mechatronic Engineering technical field, relates to the pick-up unit of a kind of electrodes in mine hot stove crossbeam position.
Background technology
According to incompletely statistics, present nearly more than 1700 the big-and-middle-sized electric arc furnaces of China's metallurgy industry (also claiming the ore deposit hot stove), the furnace equipment total volume has reached 1,800 ten thousand kVA, average current drain is 630～650kwh/t, total power consumption accounts for more than 8% of all kinds of consumers, account for 25～35% of production cost, have the title of electricity-eating tiger.Therefore, reduce power consumption, and then it is imperative to reduce enterprise's production cost.Because by detection to electrode crossbeam position in the electric arc furnaces, can detect whether balance of electrode crossbeam position, and then important effect is arranged to reducing electric energy loss, therefore, be badly in need of industry technician a kind of pick-up unit that detects electrode crossbeam position in the electric arc furnaces is provided.
The utility model content
The purpose of this utility model provides the pick-up unit of a kind of electrodes in mine hot stove crossbeam position, and it can detect the position of electrode crossbeam rapidly and accurately and the balance of electrode crossbeam position is implemented control, and then reduces power consumption.
In order to achieve the above object, the technical solution of the utility model is as follows:
The pick-up unit of electrodes in mine hot stove crossbeam position, mainly by first hydraulic cylinder, second hydraulic cylinder, the primary importance sensor, second place sensor, first stay cord, second stay cord, the first scalable draw ring and the second scalable draw ring are formed, first hydraulic cylinder and second hydraulic cylinder lay respectively at the lower end of electrode crossbeam both sides, the primary importance sensor is connected with first stay cord, second place sensor is connected with second stay cord, first stay cord is connected to an end of electrode crossbeam by the first scalable draw ring, and second stay cord is connected to the other end of electrode crossbeam by the second scalable draw ring.
The location swap of the position of described primary importance sensor and the first scalable draw ring, the location swap of the position of described second place sensor and the second scalable draw ring.
The beneficial effects of the utility model are in this way: can detect the position of electrode crossbeam rapidly and accurately and the balance of electrode crossbeam position is implemented control, and then reduce power consumption.
Description of drawings
Fig. 1 is the pick-up unit synoptic diagram of the utility model electrodes in mine hot stove crossbeam position.
Among the figure: 1, the first scalable draw ring, 2, first hydraulic cylinder, 3, the primary importance sensor, 4, the electrode crossbeam, 5, first stay cord, 6, second place sensor, 7, second hydraulic cylinder, 8, second stay cord, 9, the second scalable draw ring.
Embodiment
Below in conjunction with accompanying drawing the utility model is done description in further detail:
The utility model adopts the online measuring technique of electrode discharge optimum position and duty parameter, based on electromechanical integration complex art, modern control technology data collection and analysis is carried out in electrodes in mine hot stove position and operating mode, by PLC control electrode hydraulic feed system, come the working current of control electrode, guarantee the balance of electrode crossbeam position, simultaneously in conjunction with the power factor compensation control system, the power factor that makes the hot stove in ore deposit is in operation more than 0.9, reduce reactive power consumption, leveling three-phase output power, improve the fan-out capability of transformer, reduce enterprise's production cost.
As shown in Figure 1, the pick-up unit of the utility model electrodes in mine hot stove crossbeam position is mainly by first hydraulic cylinder 2, second hydraulic cylinder 7, primary importance sensor 3, second place sensor 6, first stay cord 5, second stay cord 8, the first scalable draw ring 1 and the second scalable draw ring 9 are formed, first hydraulic cylinder 2 and second hydraulic cylinder 7 lay respectively at the lower end of electrode crossbeam 4 both sides, primary importance sensor 3 is connected with first stay cord 5, second place sensor 6 is connected with second stay cord 8, first stay cord 5 is connected to an end of electrode crossbeam 4 by the first scalable draw ring 1, and second stay cord 8 is connected to the other end of electrode crossbeam 4 by the second scalable draw ring 9.
For in the course of the work to the whether detection of balance of electrodes in mine hot stove crossbeam position and electrode crossbeam, location to first hydraulic cylinder 2 and second hydraulic cylinder 7 is accurately measured, by the technical solution of the utility model, the rise of electrode crossbeam 4 or decline, by above-mentioned two hydraulic cylinders electrode crossbeam 4 is implemented hydrostatic control, finish by hydraulic control system.Wherein, two hydraulic cylinders obtain a common switching value control signal and control hydraulic valve, and this switching value control signal comes from industrial control computer and Programmable Logic Controller, make hydraulic cylinder rise or decline by hydraulic valve being applied control.The position of electrode crossbeam 4 by computing machine according to having the primary importance sensor 3 of serial number, the location parameter that second place sensor 6 obtains each hydraulic cylinder, thereby can detect whether balance of electrode crossbeam 4.Calculate its deviation by the numbering that electrode in the hot stove fusion process in ore deposit rises or descends.Then, the fluid pressure drive device of electrode crossbeam is applied compensation hydraulic control or carries out the influence of offset correction control technology aspect, to guarantee that the hot furnaceman in ore deposit does in the process position balance of electrode crossbeam.The stay cord of primary importance sensor 3, second place sensor 6 and two sensors by serial number is arranged and the scalable draw ring of stay cord are connected to electrode crossbeam 4, the rise of electrode crossbeam 4 or the location parameter of decline are detected, send digital display meter or computer system demonstration to by the primary importance sensor 3 that serial number is arranged, the digital quantity signal that second place sensor 6 sends.Location parameter deviation with detected two hydraulic cylinders, carry out the location parameter deviation calculation by computing machine, obtain deviate and the drive unit of two hydraulic cylinders of electrode crossbeam 4 is applied control, do the position balance of electrode crossbeam in the process to guarantee the hot furnaceman in ore deposit by the compensation hydraulic device.
Two position transducers of the present utility model can be selected dragline type photoelectric encoder or rod-pulling type position transducer or ultrasonic type position transducer etc., are used to detect the location parameter of two hydraulic cylinders, and then can detect whether balance of electrode crossbeam 4.
The pick-up unit of the utility model electrodes in mine hot stove crossbeam position is applied to the electrode of the hot stove in ore deposit of The ferroalloy industry and controls, and can reduce the high economic loss of power consumption that low-frequency harmonics, power factor and condition of supplying power are brought conscientiously.
Claims (3)
1, the pick-up unit of electrodes in mine hot stove crossbeam position, it is characterized in that, this pick-up unit is mainly by first hydraulic cylinder (2), second hydraulic cylinder (7), primary importance sensor (3), second place sensor (6), first stay cord (5), second stay cord (8), the first scalable draw ring (1) and the second scalable draw ring (9) are formed, first hydraulic cylinder (2) and second hydraulic cylinder (7) lay respectively at the lower end of electrode crossbeam (4) both sides, primary importance sensor (3) is connected with first stay cord (5), second place sensor (6) is connected with second stay cord (8), first stay cord (5) is connected to an end of electrode crossbeam (4) by the first scalable draw ring (1), and second stay cord (8) is connected to the other end of electrode crossbeam (4) by the second scalable draw ring (9).
2, the pick-up unit of electrodes in mine hot stove crossbeam as claimed in claim 1 position, it is characterized in that, the location swap of the position of described primary importance sensor (3) and the first scalable draw ring (1), the location swap of the position of described second place sensor (6) and the second scalable draw ring (9).
3, the pick-up unit of electrodes in mine hot stove crossbeam as claimed in claim 1 position, it is characterized in that described primary importance sensor (3) and second place sensor (6) are dragline type photoelectric encoder or rod-pulling type position transducer or ultrasonic type position transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200937729U CN201429423Y (en) | 2009-06-09 | 2009-06-09 | Device for detecting position of electrode cross beam of electric arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200937729U CN201429423Y (en) | 2009-06-09 | 2009-06-09 | Device for detecting position of electrode cross beam of electric arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201429423Y true CN201429423Y (en) | 2010-03-24 |
Family
ID=42033162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200937729U Expired - Fee Related CN201429423Y (en) | 2009-06-09 | 2009-06-09 | Device for detecting position of electrode cross beam of electric arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201429423Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101868077A (en) * | 2010-05-31 | 2010-10-20 | 长春工业大学 | Non-contact detection and optimum smelting control method for submerged arc furnace electrode |
-
2009
- 2009-06-09 CN CN2009200937729U patent/CN201429423Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101868077A (en) * | 2010-05-31 | 2010-10-20 | 长春工业大学 | Non-contact detection and optimum smelting control method for submerged arc furnace electrode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20110609 |