CN202854086U - Device for monitoring multi-phase stirring mixing effect in real time in metallurgical process - Google Patents
Device for monitoring multi-phase stirring mixing effect in real time in metallurgical process Download PDFInfo
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- CN202854086U CN202854086U CN201220157547.9U CN201220157547U CN202854086U CN 202854086 U CN202854086 U CN 202854086U CN 201220157547 U CN201220157547 U CN 201220157547U CN 202854086 U CN202854086 U CN 202854086U
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- 230000000694 effects Effects 0.000 title claims abstract description 41
- 238000003756 stirring Methods 0.000 title claims abstract description 35
- 238000002156 mixing Methods 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000010310 metallurgical process Methods 0.000 title claims abstract description 21
- 238000003325 tomography Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 238000009854 hydrometallurgy Methods 0.000 claims description 10
- 238000009853 pyrometallurgy Methods 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000003384 imaging method Methods 0.000 claims description 5
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000011156 evaluation Methods 0.000 description 13
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 230000001698 pyrogenic effect Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The utility model relates to a device for monitoring the multi-phase stirring mixing effect in real time in a metallurgical process, and belongs to the technical field of industrial process real-time monitor and control. The device comprises a stirring tank, a plurality of electrodes, a sensor, a resistance tomography device and a micro computer, wherein the electrodes are evenly fixed on the cross section in the stirring tank, an electrode outgoing end is connected with the input end of the sensor, an output port of the sensor is connected with the resistance tomography device, the resistance tomography device is in common connection with the micro computer, and a mixing effect real-time monitoring and evaluating system is embedded in the micro computer. With the adoption of the device provided by the utility model, the multi-phase stirring mixing effect in the metallurgical process can be monitored in real time, the non-contact visible monitoring for the mixing situation of a nontransparent stirring tank is achieved, and meanwhile, the device is simple in structure and convenient to operate.
Description
Technical field
The utility model relates to the heterogeneous stirring and mixing effect real time monitoring apparatus of a kind of metallurgical process, belongs to industrial process real-time inspection and control technical field.
Background technology
The effect of melting bath stirring in metallurgical process mainly is heat transfer, mass transfer and the metallurgical reaction speed that improves the molten bath, thereby promote slag and metal mixed, accelerate the fusing of solid material, shorten the heat, accelerate the removal of harmful element, finally reach and improve the quality of products and throughput rate.Also can bring ill effect yet melting bath stirring is crossed by force, reduce such as lining durability, molten bath splash or overflow seriously, difficulty etc. occurs with control in smelting operation.The mode of melting bath stirring is a lot, can be summarized as 6 kinds of natural convection stirring, manpower stirring, steel stream impact stirring, mechanical raking, electromagnetic agitation and Gas Stirrings etc.Because pyrometallurgy is high-temperature service, the most frequently used and the most effective alr mode is two kinds of electromagnetic agitation and Gas Stirrings.For the mass transfer and the diabatic process that promote metal pool and make molten metal composition and equalizing temperature apply the operation that certain power flows to strengthen the molten bath.The power of beating action and effect are usually with the degree of uniformity of bath composition or temperature and reach regulation degree of uniformity required time and weigh.The degree of uniformity of composition etc. is invariably relevant with stirring intensity of molten pool in the speed of the reaction rate of slag, gas and molten metal, solid material (steel scrap or ferroalloy) fusing and the molten metal, and the leaching of hydrometallurgy process is stirred and also related to stirring intensity and mixing uniformity.At present, it all is relatively more difficult directly measuring with observing to nontransparent equipment such as high temperature molten bath, vertical stirring tanks 1, and wherein the industrialness measurement method is in the industrialness production run some index in the melting bath stirring process or melt behavior directly to be measured and the method for observing.Owing to lacking effective detection means, so that the employing of this method is very limited.The main method that adopts has: by oxide contents such as FeO in the mensuration slag, qualitative definite melting bath stirring is strong and weak; Obtain the molten bath mixing time by adding its content of certain solute element and sample analysis; The method of employing adding radiotracer obtains the Flow Field Distribution in the melt etc.
At present, known industrial process chromatographic imaging system (Process Tomography) is the online technology of measuring in real time of a kind of procedure parameter (two dimension or distributed in three dimensions situation) take polyphasic flow as main study subject that mid-term 1980's, formal formation and development was got up.Electrical Resistance Tomography (electrical resistance tomography, being called for short ERT) cardinal principle of system is based on different mediums and has this character of different conductivity, infer the medium distribution situation of thing field by the object distribution of conductivity that judgement is in the sensitivity field, can realize monitoring and the evaluation of metallurgical process mixed effect by this technology.
Summary of the invention
For the problems referred to above, the utility model provides a kind of metallurgical process heterogeneous stirring and mixing effect real time monitoring apparatus, the method of a kind of measuring mixing effect of fluid of patent (200910094915.2) is set up mixed effect Real-Time Monitoring evaluation system with software form, be integrated in the microcomputer, can at the heterogeneous stirring and mixing effect Real Time Monitoring of pyrogenic process/hydrometallurgy process, realize the contactless visual control of opaque tank diameter troubled water; Simple with timer, easy to operate.
The technical solution adopted in the utility model: device comprises tank diameter 1, electrode 6, sensor 2, Electrical Resistance Tomography device 3 and microcomputer 4; Electrode 6 evenly is fixed in the tank diameter 1 on the xsect, and electrode leads to client 7 is connected with the input end of sensor 2, output port contact resistance laminated imaging device 3 input ends of sensor 2, and Electrical Resistance Tomography device 3 is connected with microcomputer 4.
The tank diameter diameter is less than 6 meters; Pyrometallurgical processes electrode 6 is fixed on the xsect of furnace wall 5; Furnace wall 5 temperature surpass more than 150 degree in the pyrometallurgical processes, electrode 6 is furnished with sensor 2 water cooling plants, sensor 2 is placed in the annular steel pipe, electrode 6 adopts steel material that sensor 2 is linked together, a water cold sleeve is installed in the outside of steel pipe, and recirculated cooling water 10 flows between water cooling tube inwall 8 and water cooling tube outer wall 9; Hydrometallurgy process electrode 6 is fixed on the xsect that leaches cell wall 11.
The invention has the beneficial effects as follows: can at the heterogeneous stirring and mixing effect real time monitoring apparatus of metallurgical process, realize the contactless visual control of opaque tank diameter troubled water; Simple with timer, easy to operate.
Description of drawings
Fig. 1 is pyrometallurgical processes utility model structural representation;
Fig. 2 is electrode fixed position schematic diagram in the pyrometallurgical processes;
Fig. 3 is sensor water cooling plant schematic diagram;
Fig. 4 is hydrometallurgy process utility model structural representation;
Fig. 5 is hydrometallurgy process electrode fixed position schematic diagram.
Among the figure: 1-tank diameter, 2-sensor, 3-Electrical Resistance Tomography device, 4-microcomputer, 5-furnace wall, 6-electrode, 7-electrode leads to client, 8-water cooling tube inwall, 9-water cooling tube outer wall, 10-recirculated cooling water, 11-leach cell wall.
Embodiment
Be further described below in conjunction with the feature of drawings and Examples to this technique and device.
Principle of work of the present utility model: in metallurgical process tank diameter 1 interior installing electrodes 6, electrode 6 Information Monitorings are passed to Electrical Resistance Tomography device 3 through sensor 2, Electrical Resistance Tomography device 3 is through processing the microcomputer 4 of coming in and going out, microcomputer 4 utilizes built-in mixed effect Real-Time Monitoring evaluation system to process, make technical indicator by the online real-time computer screen that is presented at, the user can monitor the troubled water in the mixing plant at any time, and according to the data and curves variation diagram, operating conditions in the selection historical data in the operating mode of overall target minimum is in order to reach satisfied mixed effect.
Described tank diameter 1 diameter is less than 6 meters, and when diameter greater than 6 meters is, electric field is more weak, and effect is bad, therefore when tank diameter 1 diameter be that effect is best less than 6 meters.
Described mixed effect Real-Time Monitoring evaluation system is to set up with method (200910094915.2) software form of existing a kind of measuring mixing effect of fluid of patent, obtain the heterogeneous realtime graphic that mixes of pyrogenic process/hydrometallurgy process by known Electrical Resistance Tomography, then utilize at present external existing CHomP program to calculate 0 dimension Betti number and 1 dimension Betti number that acquisition mixes image, wherein the implication of known 0 dimension Betti number is the number of piece in the mixed process image, and 1 dimension Betti number then represents the number in hole in the mixed process image.Use the technique computes of known 0-1 check chaos to obtain numerical value between 0 to 1, mixing close to 1 representative is chaotic mixing.To monitor by the evaluation system of mixed effect at last and evaluation result is real-time shows at computer display screen.
The principle of mixed effect Real-Time Monitoring evaluation system is: tie up the mean value (being designated as respectively B0 and B1) that the Betti number time series is calculated respectively its stationary sequence for the 0 dimension Betti number and 1 that obtains, the numerical value (being designated as respectively Z0 and Z1) that departs from the amplitude of mean value (being designated as respectively A0 and A1) separately and 0-1 check, then the mean value that calculates 1 dimension Betti number stationary time series with depart from the product of the amplitude of mean value separately (that is: the numerical value Z0 that checks with the mean value B0 of 0 dimension Betti number stationary time series and 0-1 of B1 * A0 * A1) and the ratio of Z1 three's product, that is: (B1 * A0 * A1)/(B0 * Z0 * Z1), as the index of estimating pyrogenic process/hydrometallurgy process multi-phase mixed effect, the numerical values recited of this comprehensive technical indexes is less, and then to represent mixed effect better with this overall target.
Embodiment 1: pyrometallurgical processes
As shown in Figure 1: device comprises tank diameter 1, electrode 6, sensor 2, Electrical Resistance Tomography device 3 and microcomputer 4; Electrode 6 evenly is fixed on the xsect in the tank diameter 1, electrode leads to client 7 is connected with the input end of sensor 2, output port contact resistance laminated imaging device 3 input ends of sensor 2, Electrical Resistance Tomography device 3 adopts routine to be connected microcomputer 4 built-in mixed effect Real-Time Monitoring evaluation systems with microcomputer 4.
As shown in Figure 2: pyrometallurgical processes electrode 6 is fixed on the xsect of furnace wall 5.
As shown in Figure 3: furnace wall 5 temperature surpass more than 150 degree in the pyrometallurgical processes, electrode 6 is furnished with sensor 2 water cooling plants, sensor 2 is placed in the annular steel pipe, electrode 6 adopts steel material that sensor 2 is linked together, a water cold sleeve is installed in the outside of steel pipe, and recirculated cooling water 10 flows between water cooling tube inwall 8 and water cooling tube outer wall 9; Determine the number of electrode 6 and the length of electrode 6 according to tank diameter 1 size of different metallurgical processes, the diameter of the present embodiment electrode 6 is 1mm, and electrode 6 is 16 electrodes 6; Sensor 2 is selected contact.
Obtain the realtime graphic of tank diameter 1 melting bath stirring by Electrical Resistance Tomography, use CHomP program and 0-1 check chaos technology to calculate 0 dimension Betti number, 1 dimension Betti number and the 0-1 check numerical value of acquisition vision-mix.Simultaneously, utilize the evaluation system of this patent to calculate 0 dimension Betti number mean value, 1 dimension Betti number mean value and the 0-1 check numerical value of its stationary time series, wherein at t=100s constantly, 0 dimension Betti number mean value B0=1000, the deviation average amplitude is A0=25,0 dimension Betti number mean value B1=300, the deviation average amplitude is A1=20,0-1 checks numerical value: Z0=0.89, Z1=0.94, then calculate its comprehensive evaluation index numerical value and be (B1 * A0 * A1)/(the ≈ 179.29 of B0 * Z0 * Z1), and its numerical value is presented at computer screen in real time.Numerical value is less, and mixed effect is better.According to operating conditions and the stirring intensity of operating mode of the mixed effect data decimation numerical value minimum of record, to obtain best mixed effect.
Example 2: hydrometallurgy process
As shown in Figure 4: device comprises tank diameter 1, electrode 6, sensor 2, Electrical Resistance Tomography device 3 and microcomputer 4; Electrode 6 evenly is fixed on the xsect that will measure in the tank diameter 1, electrode leads to client 7 is connected with the input end of sensor 2, output port contact resistance laminated imaging device 3 input ends of sensor 2, Electrical Resistance Tomography device 3 adopts routine to be connected microcomputer 4 built-in mixed effect Real-Time Monitoring evaluation systems with microcomputer 4.
As shown in Figure 5: hydrometallurgy process electrode 6 is fixed on the xsect that leaches cell wall 11.
Obtain the realtime graphic of leaching tanks flowsheet of slurry agitation by Electrical Resistance Tomography, use free CHomP program and 0-1 check chaos technology to calculate 0 dimension Betti number, 1 dimension Betti number and the 0-1 check numerical value of acquisition vision-mix.Simultaneously, utilize the evaluation system of this patent to calculate 0 dimension Betti number mean value of its stationary time series, 1 dimension Betti number mean value and 0-1 check numerical value, wherein at t=100s constantly, 0 dimension Betti number mean value B0=1100, the deviation average amplitude is A0=35,0 dimension Betti number mean value B1=400, the deviation average amplitude is A1=30,0-1 checks numerical value: Z0=0.99, Z1=0.91 then calculates its comprehensive evaluation index numerical value and is (B1 * A0 * A1)/(the ≈ 423.81 of B0 * Z0 * Z1), and its numerical value is presented at computer screen in real time, numerical value is less, and mixed effect is better.According to operating conditions and the stirring intensity of operating mode of the mixed effect data decimation numerical value minimum of record, to obtain best mixed effect.
The utility model describes by specific implementation process, in the situation that do not break away from the utility model scope, can also carry out various conversion and be equal to replacement the utility model patent.Therefore, the utility model patent be not limited to disclosed specific implementation process,, and should comprise the whole embodiments that fall in the utility model Patent right requirement scope.
Claims (8)
1. heterogeneous stirring and mixing effect real time monitoring apparatus of metallurgical process, it is characterized in that: device comprises tank diameter, electrode, sensor, Electrical Resistance Tomography device and microcomputer; Electrode evenly is fixed in the tank diameter on the xsect, and electrode leads to client is connected with the input end of sensor, the output port contact resistance laminated imaging device input end of sensor, and the Electrical Resistance Tomography device is connected with microcomputer.
2. the heterogeneous stirring and mixing effect real time monitoring apparatus of a kind of metallurgical process according to claim 1, it is characterized in that: the tank diameter diameter is less than 6 meters.
3. the heterogeneous stirring and mixing effect real time monitoring apparatus of a kind of metallurgical process according to claim 1, it is characterized in that: the pyrometallurgical processes electrode is fixed on the xsect of furnace wall.
4. the heterogeneous stirring and mixing effect real time monitoring apparatus of a kind of metallurgical process according to claim 1, it is characterized in that: furnace wall temperature surpasses more than 150 degree in the pyrometallurgical processes, electrode is furnished with the sensor water cooling plant, sensor places in the annular steel pipe, a water cold sleeve is installed in the outside of steel pipe, and recirculated cooling water flows between water cooling tube inwall and water cooling tube outer wall.
5. the heterogeneous stirring and mixing effect real time monitoring apparatus of a kind of metallurgical process according to claim 1 is characterized in that: the hydrometallurgy process electrode is fixed on the xsect that leaches cell wall.
6. the heterogeneous stirring and mixing effect real time monitoring apparatus of a kind of metallurgical process according to claim 1 is characterized in that: sensor selection contact or contactless sensor.
7. the heterogeneous stirring and mixing effect real time monitoring apparatus of a kind of metallurgical process according to claim 1 is characterized in that: determine the number of electrode and the length of electrode according to the tank diameter size of different metallurgical processes.
8. the heterogeneous stirring and mixing effect real time monitoring apparatus of a kind of metallurgical process according to claim 1, it is characterized in that: the diameter of electrode is 1-2mm, electrode is 16 electrodes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220157547.9U CN202854086U (en) | 2012-04-16 | 2012-04-16 | Device for monitoring multi-phase stirring mixing effect in real time in metallurgical process |
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| CN201220157547.9U CN202854086U (en) | 2012-04-16 | 2012-04-16 | Device for monitoring multi-phase stirring mixing effect in real time in metallurgical process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743240A (en) * | 2014-01-16 | 2014-04-23 | 昆明理工大学 | Device for simulating metallurgy kiln stirring and mixing visualized process |
| CN111024772A (en) * | 2019-12-03 | 2020-04-17 | 西安科技大学 | Laser cladding molten pool micro-resistance distribution imaging method and device |
| CN112742280A (en) * | 2020-12-07 | 2021-05-04 | 昆明理工大学 | Chaotic state detection method and system of hybrid system |
| CN114887517A (en) * | 2022-05-27 | 2022-08-12 | 北京科技大学 | Filling slurry stirring monitoring device and using method thereof |
-
2012
- 2012-04-16 CN CN201220157547.9U patent/CN202854086U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743240A (en) * | 2014-01-16 | 2014-04-23 | 昆明理工大学 | Device for simulating metallurgy kiln stirring and mixing visualized process |
| CN111024772A (en) * | 2019-12-03 | 2020-04-17 | 西安科技大学 | Laser cladding molten pool micro-resistance distribution imaging method and device |
| CN111024772B (en) * | 2019-12-03 | 2022-06-14 | 西安科技大学 | Laser cladding molten pool micro-resistance distribution imaging method and device |
| CN112742280A (en) * | 2020-12-07 | 2021-05-04 | 昆明理工大学 | Chaotic state detection method and system of hybrid system |
| CN114887517A (en) * | 2022-05-27 | 2022-08-12 | 北京科技大学 | Filling slurry stirring monitoring device and using method thereof |
| CN114887517B (en) * | 2022-05-27 | 2023-05-16 | 北京科技大学 | Filling slurry stirring monitoring device and application method thereof |
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