CN205537769U - Parameter detecting device is smelted to hot stove in ore deposit based on electromagnetism principle - Google Patents
Parameter detecting device is smelted to hot stove in ore deposit based on electromagnetism principle Download PDFInfo
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- CN205537769U CN205537769U CN201620308156.0U CN201620308156U CN205537769U CN 205537769 U CN205537769 U CN 205537769U CN 201620308156 U CN201620308156 U CN 201620308156U CN 205537769 U CN205537769 U CN 205537769U
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Abstract
The utility model relates to an electrode tip position among the ore deposit hot stove smelting production process, crucial parameter detecting device such as arc length and liquid level position, specifically for including the model, parameter detecting device is smelted to hot stove in ore deposit based on electromagnetism principle is HMC1052's magnetic field detection module IC1, the model is 74HC123's the module IC3 that resets, the model is AD736's virtual value conversion module IC4, the model is the enlarged and filter module IC5 of second that the first enlarged of AD620 and filter module IC2 and model are AD623 respectively. Utilize this detection device check point department outside the hot stove furnace body in ore deposit to detect, make the intensity of overflow tank curve by the intensity of overflow tank of each check point department, can reach key parameters such as electrode tip position, arc length and liquid level position by the curve that makes, it is convenient in process of production to the timely adjustment of electrode position to reduce the loss of the energy.
Description
Technical field
This utility model relates to electrode tip position, electric arc in mine heat furnace smelting production process
The key parameter such as length and liquid level position detection device, is specially mineral hot furnace based on electromagnetic principle
Smelting parameter detection device.
Background technology
Mineral hot furnace is to utilize arc discharge melting Ore, and therefrom extracts a kind of work of useful metal
Industry electric furnace, produces electric arc, and electrode is to be led by powerful electric current between the electrode tip of electric furnace and furnace charge
The critical component of arc smelting is carried out in entering stove.In smelting process, by lifting electrode regulating
Furnace heat distribution and the degree of balance of three-phase molten bath power.
During mine heat furnace smelting, electrode tip position, arc length and liquid level position this three
Individual parameter is the most crucial, and domestic currently mainly depends on simple instrument and personal experience
Indirectly judging above key parameter, this is just difficult to ensure that smelting process parameter optimization, impact
Smelt the economic parameters such as energy consumption and ore deposit consumption.Mensuration for these key parameters, although existing all
Many discussion and method, but these have plenty of calculating indirectly and speculate, and have the most only can survey roughly
Obtain electrode tip position, and be difficult to learn arc length and liquid level position.Up to now, all
Detection to above-mentioned key parameter is all not directed to detection device based on electromagnetic field principle.
Summary of the invention
This utility model purpose is to provide a kind of mine heat furnace smelting parameter based on electromagnetic principle
Detection device, to electrode tip position in mine heat furnace smelting production process, arc length and
The key parameters such as liquid level position detect.
This utility model adopts the following technical scheme that realization: ore deposit based on electromagnetic principle is hot
Stove smelting parameter detection device, including magnetic field detection module I C1 that model is HMC1052,
Model is the reseting module IC3 of 74HC123, model is AD736 RMS-DC converter module I C4,
First amplification of model respectively AD620 and filtration module IC2 and model are the second of AD623
Amplify and filtration module IC5；
5th pin of magnetic field detection module I C1 and power supply connect, the 3rd pin, the 6th pin
With the 9th pin ground connection, the 8th pin passes through the 6th electric capacity C6 and the 13rd of reseting module IC3 the
Pin connects, and the 4th pin and first amplifies and the 3rd pin of filtration module IC2 connects, the
10 pins and first amplify and the 2nd pin of filtration module IC2 connects, and the 1st pin connects
Reset signal RST；
2nd pin, the 3rd pin and the 16th pin of reseting module IC3 and power supply connect,
8th pin, the 9th pin, the 10th pin and the 11st pin ground connection, the 15th pin passes through
8th electric capacity C8 and the 14th pin connect, also by the 8th resistance R8 and the 7th resistance R7 and
1st pin connects, and connecting between the 8th resistance R8 and the 7th resistance R7 has power supply；
1st pin of the first amplification and filtration module IC2 is by the 2nd resistance R2 and the 8th pipe
Foot connects, and the 7th pin and power supply connect and by the 3rd electric capacity C3 ground connection, the 4th pin connects
Ground, the 5th pin passes through the tenth resistance R10 ground connection, connects also by the 9th resistance R9 and power supply
Connecing, the 6th pin is by the 41st electric capacity C41 and the 2nd pipe of RMS-DC converter module I C4
Foot connects；
1st pin of RMS-DC converter module I C4 passes through the 42nd electric capacity C42 ground connection, the
8 pin ground connection, the 7th pin and power supply connect, also by the 43rd electric capacity C43 ground connection,
4th pin is connect negative supply and is connected by the 45th electric capacity C45 and the 5th pin, also by
51st electric capacity C51 ground connection, the 3rd pin is connected by the 44th electric capacity C44 and the 6th pin
Connecing, the 6th pin is by the 43rd resistance R43 and the second amplification and the of filtration module IC5
2 pins connect；
2nd pin of the second amplification and filtration module IC5 passes through the 47th electric capacity C47 ground connection,
3rd pin connects negative supply, and the 1st pin is connected by the 46th resistance R46 and the 8th pin,
7th pin and power supply connect and by the 49th electric capacity C49 ground connection, the 5th pin ground connection,
4th pin and negative supply connect and by the 48th electric capacity C48 ground connection, the 6th pin passes through
One end of 47th resistance R47 and the 50th electric capacity C50 connects, the 50th electric capacity C50's
Other end ground connection, the junction point of the 47th resistance R47 and the 50th electric capacity C50 is as detection
The outfan of device.
In the burner hearth of mineral hot furnace, powerful electric current is in electrode enters stove, in weld pool surface shape
Become current loop, as it is shown in figure 1, the electric current of electrode is electrode current I in flowing through stoveA、IB、IC,
Electrode current IA、IB、ICIn arrival molten bath, arc region, it is formed about triangle at bath surface
Shape molten bath current loop, IAC、ICB、IBAIt is respectively molten bath electric current.You is cut down fixed according to Biot-Sa
Rule, arbitrary current elements on any current loopThe point at place is referred to as source point, needs to calculate magnetic
InductionPoint be referred to as site, then current elementsProduced magnetic induction can represent
ForIn formula,For the position vector of source point,For site
Position vector, μ0For the pcrmeability of vacuum, unit is H/m, according to formula (1), it is known that carry
Flow shown in magnetic induction such as formula (2) produced by straight current in wire I,
Can determine that the electrode of mineral hot furnace is connected with the electric current of up to 10 Wan An trainings, i.e. according to above-mentioned theory
Make the metallic shield effect of furnace wall, outside stove, the most necessarily have size of current and side in reflection stove
To Magnetic Field.Therefore, electrode tip can just be learnt by obtaining the distribution of these Magnetic Field
Position, portion, arc length and bath surface position these three key parameter.This is equivalent to as ore deposit
Hot stove has been made to measure one " CT ", and the detection being mine heat furnace smelting key parameter introduces
A kind of brand-new solution.
Model in mine heat furnace smelting parameter detection device is the magnetic field detection module of HMC1052
IC1 is magnetic field sensor, is used for detecting body of heater external magnetic field information, will Magnetic Field be converted to
Ac voltage signal；Model be the reseting module IC3 of 74HC123 for system reset, for magnetic
Field detection module IC1 provide reset signal；Model is RMS-DC converter module I C4 of AD736
Ac voltage signal is converted to d. c. voltage signal；Model is respectively first amplification of AD620
And voltage is believed by filtration module IC2 and the second amplification and the filtration module IC5 that model is AD623
Number it is amplified and Filtering Processing.
This detection device is utilized to detect, by each test point at the outer test point of mineral hot furnace body of heater
Magnetic induction prepare magnetic induction curve, the curve prepared can draw electrode tip
The key parameters such as position, arc length and liquid level position, convenient in process of production to electrode position
The timely adjustment put, thus reduce the loss of the energy.
Accompanying drawing explanation
Fig. 1 is mineral hot furnace internal circuit illustraton of model.
Fig. 2 is mineral hot furnace top view.
Fig. 3 is circuit theory diagrams of the present utility model.
Detailed description of the invention
Mine heat furnace smelting parameter detection device based on electromagnetic principle, is HMC1052 including model
Magnetic field detection module I C1, model be the reseting module IC3 of 74HC123, model be AD736
RMS-DC converter module I C4, model be respectively AD620 first amplification and filtration module IC2
With the second amplification and filtration module IC5 that model is AD623；
5th pin of magnetic field detection module I C1 and power supply connect, the 3rd pin, the 6th pin
With the 9th pin ground connection, the 8th pin passes through the 6th electric capacity C6 and the 13rd of reseting module IC3 the
Pin connects, and the 4th pin and first amplifies and the 3rd pin of filtration module IC2 connects, the
10 pins and first amplify and the 2nd pin of filtration module IC2 connects；
2nd pin, the 3rd pin and the 16th pin of reseting module IC3 and power supply connect,
8th pin, the 9th pin, the 10th pin and the 11st pin ground connection, the 15th pin passes through
8th electric capacity C8 and the 14th pin connect, also by the 8th resistance R8 and the 7th resistance R7 and
1st pin connects, and connecting between the 8th resistance R8 and the 7th resistance R7 has power supply；
1st pin of the first amplification and filtration module IC2 is by the 2nd resistance R2 and the 8th pipe
Foot connects, and the 7th pin and power supply connect and by the 3rd electric capacity C3 ground connection, the 4th pin connects
Ground, the 5th pin passes through the tenth resistance R10 ground connection, connects also by the 9th resistance R9 and power supply
Connecing, the 6th pin is by the 41st electric capacity C41 and the 2nd pipe of RMS-DC converter module I C4
Foot connects；
1st pin of RMS-DC converter module I C4 passes through the 42nd electric capacity C42 ground connection, the
8 pin ground connection, the 7th pin and power supply connect, also by the 43rd electric capacity C43 ground connection,
4th pin is connect negative supply and is connected by the 45th electric capacity C45 and the 5th pin, also by
51st electric capacity C51 ground connection, the 3rd pin is connected by the 44th electric capacity C44 and the 6th pin
Connecing, the 6th pin is by the 43rd resistance R43 and the second amplification and the of filtration module IC5
2 pins connect；
2nd pin of the second amplification and filtration module IC5 passes through the 47th electric capacity C47 ground connection,
3rd pin connects negative supply, and the 1st pin is connected by the 46th resistance R46 and the 8th pin,
7th pin and power supply connect and by the 49th electric capacity C49 ground connection, the 5th pin ground connection,
4th pin and negative supply connect and by the 48th electric capacity C48 ground connection, the 6th pin passes through
One end of 47th resistance R47 and the 50th electric capacity C50 connects, the 50th electric capacity C50's
Other end ground connection, the junction point of the 47th resistance R47 and the 50th electric capacity C50 is as detection
The outfan of device.
Time specifically used: the first step: as it is shown in figure 1, set up magnetic field radiation model to mineral hot furnace,
Flowing through the electric current of electrode in stove is electrode current IA、IB、IC, electrode current IA、IB、ICWarp
In arrival molten bath, arc region, it is formed about triangle molten bath current loop, I at bath surfaceAC、
ICB、IBAIt is respectively molten bath electric current.Convenient for measuring, define at this " electrode wires " and " in
Vertical line " concept, as in figure 2 it is shown, be parallel in the plane of bath surface at any one,
Line one equilateral triangle of composition of three electrode tips projections, the stove heart is the center of triangle,
The line of the stove heart and electrode is referred to as " electrode wires ", the perpendicular bisector on each limit of triangle be referred to as " in hang down
Line "；
Second step: test point place straight line is selected between perpendicular bisector and electrode wires, and and electrode wires
In angle theta ≈ 20 °, and initial point is located at below the furnace bottom at furnace wall about 6m this practicality is installed
Novel detection device, test scope gathers data along z-axis with the step-length of 10cm；
3rd step: by data collecting card, data are sent to computer, through Software on Drawing efferent echo
Shape figure, obtains relevant parameter.
Claims (1)
1. mine heat furnace smelting parameter detection device based on electromagnetic principle, it is characterised in that include magnetic field detection module I C1 that model is HMC1052, model be the reseting module IC3 of 74HC123, model be RMS-DC converter module I C4 of AD736, first amplification of model respectively AD620 and filtration module IC2 and the second amplification and filtration module IC5 that model is AD623；5th pin of magnetic field detection module I C1 and power supply connect, 3rd pin, the 6th pin and the 9th pin ground connection, 8th pin is connected by the 13rd pin of the 6th electric capacity C6 and reseting module IC3,4th pin and first amplifies and the 3rd pin of filtration module IC2 connects, and the 10th pin and first amplifies and the 2nd pin of filtration module IC2 connects；2nd pin, the 3rd pin and the 16th pin of reseting module IC3 and power supply connect, 8th pin, the 9th pin, the 10th pin and the 11st pin ground connection, 15th pin is connected by the 8th electric capacity C8 and the 14th pin, connecting also by the 8th resistance R8 and the 7th resistance R7 and the 1st pin, connecting between the 8th resistance R8 and the 7th resistance R7 has power supply；1st pin of the first amplification and filtration module IC2 is connected by the 2nd resistance R2 and the 8th pin, 7th pin and power supply connect and by the 3rd electric capacity C3 ground connection, 4th pin ground connection, 5th pin passes through the tenth resistance R10 ground connection, connecting also by the 9th resistance R9 and power supply, the 6th pin is connected by the 2nd pin of the 41st electric capacity C41 and RMS-DC converter module I C4；1st pin of RMS-DC converter module I C4 passes through the 42nd electric capacity C42 ground connection, 8th pin ground connection, 7th pin and power supply connect, also by the 43rd electric capacity C43 ground connection, 4th pin is connect negative supply and is connected by the 45th electric capacity C45 and the 5th pin, also by the 51st electric capacity C51 ground connection, the 3rd pin is connected by the 44th electric capacity C44 and the 6th pin, and the 6th pin is amplified by the 43rd resistance R43 and second and the 2nd pin of filtration module IC5 connects；2nd pin of the second amplification and filtration module IC5 is by the 47th electric capacity C47 ground connection, 3rd pin connects negative supply, 1st pin is connected by the 46th resistance R46 and the 8th pin, 7th pin and power supply connect and by the 49th electric capacity C49 ground connection, 5th pin ground connection, 4th pin and negative supply connect and by the 48th electric capacity C48 ground connection, 6th pin is connected by one end of the 47th resistance R47 and the 50th electric capacity C50, the other end ground connection of the 50th electric capacity C50, the junction point of the 47th resistance R47 and the 50th electric capacity C50 is as the outfan of detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308156.0U CN205537769U (en) | 2016-04-13 | 2016-04-13 | Parameter detecting device is smelted to hot stove in ore deposit based on electromagnetism principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308156.0U CN205537769U (en) | 2016-04-13 | 2016-04-13 | Parameter detecting device is smelted to hot stove in ore deposit based on electromagnetism principle |
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| Publication Number | Publication Date |
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| CN205537769U true CN205537769U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620308156.0U Expired - Fee Related CN205537769U (en) | 2016-04-13 | 2016-04-13 | Parameter detecting device is smelted to hot stove in ore deposit based on electromagnetism principle |
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| CN (1) | CN205537769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698875A (en) * | 2016-04-13 | 2016-06-22 | 陈阳 | Apparatus for detecting smelting parameters of submerged-arc furnace based on electromagnetic principle |
-
2016
- 2016-04-13 CN CN201620308156.0U patent/CN205537769U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698875A (en) * | 2016-04-13 | 2016-06-22 | 陈阳 | Apparatus for detecting smelting parameters of submerged-arc furnace based on electromagnetic principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20190413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |