CN103785532B - The method of tin ore tabling automatic monitoring - Google Patents
The method of tin ore tabling automatic monitoring Download PDFInfo
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- CN103785532B CN103785532B CN201410053940.7A CN201410053940A CN103785532B CN 103785532 B CN103785532 B CN 103785532B CN 201410053940 A CN201410053940 A CN 201410053940A CN 103785532 B CN103785532 B CN 103785532B
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Abstract
The present invention relates to a kind of method of tin ore tabling automatic monitoring, belong to nonferrous metals ore Automation Technology for Beneficiation field.This method is: by taking into account to proportion densimeter, flow the automatic control that linkage controlling valve was watered, controlled uninterrupted, realize to shaking table feed ore concentration, to the Automated condtrol of ore body accumulated amount; By the frequency modulation control of PLC programming to shaking table motor, realize the scope control of coarse sand bed jig frequency, fine sand bed jig frequency, cutting bed jig frequency; By automatic camera module monitors, control to adjust valve by PLC, realize best washings flow-control.By automatic camera module monitors, add single shaft control driven by servomotor mechanical component by PLC and realize best lathe bed slope control; By automatic camera module monitors, realize Tin concentrate by PLC control mechanical component and access position control.The present invention can guarantee shaking table feed ore concentration, volume is stabilized in optimum state, improves sorting index, and significantly reduces cost of labor.
Description
Technical field
The present invention relates to a kind of cloud tin tabling automation process parameter and device intelligence monitoring and control method, belong to nonferrous metals ore Automation Technology for Beneficiation field.
Background technology
Shaking table is the main sorting equipment that heavy mineral is reclaimed in gravity treatment, the operating parameters such as its feed ore concentration, volume, jig frequency, concentrate flushing water, the bed surface gradient, mainly relies on operator to adopt artificial adjustment according to the Distribution Phenomena of ore properties and bed surface mine belt.Therefore, take shaking table as gravity mill's cost of labor higher (accounting for ore dressing totle drilling cost 70%) of main gravitational separation equipment, secondly adopt manual operation also cannot guarantee shaking table feed ore concentration and the accuracy to ore body accumulated amount, affect the sorting index of shaking table.
Former shaking table adopts artificial visually examine's gate valve to control to feed to ore body accumulated amount, and feed ore concentration adopts artificial visually examine's gate valve to regulate ascending water size to be blended into ore deposit regulable control concentration.
The driving of former shaking table adopts common motor to drive, select suitable speed by adjustment decelerating through motor belt pulley, this selection is fixed, only has several jig frequency to select simultaneously, simultaneously change jig frequency need first equipment is stopped change motor pulley could change, very inconvenient.
Mostly the size of former washings is to carry out regulating pondage by operating personnel by regulating the size of Water gate valve.
It is regulated by a handle that the gradient of former lathe bed regulates, but can not see the effect that bed surface adjusts dynamically simultaneously, and the efficiency simultaneously regulated is lower.
It is former that to connect ore deposit point be operator is placed into the corresponding position of table concentrate band connects ore deposit according to the visual mine mouth that to be connect by iron sheet, if situation above changes (as, concentration long-pending to ore body change), just need operator to make corresponding adjustment in time, otherwise to connect the material that ore deposit point receives be not just the concentrate but some waste products that need.
Therefore, carry out tabling automation process parameter and Inspect and control research, significantly can reduce the numerous shaking table operative employee number in tin ore dressing plant after research is applied to production, reduce production cost; Guarantee that shaking table feed ore concentration, volume are stable, raising sorting index is had important practical significance.
Summary of the invention
The object of this invention is to provide a kind of method of tin ore tabling automatic monitoring, it can guarantee that shaking table feed ore concentration, volume are stable, improves sorting index, and significantly reduces cost of labor.
Technical scheme of the present invention has following Composition of contents:
1. the proportion densimeter of mine-feeding equipment, flow are taken into account each control valve and are connected with industrial computer, realize to shaking table feed ore concentration, to the control of ore body accumulated amount.
2. with PLC to shaking table motor frequency modulation control, realize coarse sand bed jig frequency 270 ~ 290 revs/min, fine sand bed jig frequency 290 ~ 320 revs/min, cutting bed jig frequency 320 ~ 360 revs/min.Adopt after frequency converter, except the frequency of the resonance point at shaking table equipment can not use, frequency converter can in a wider scope adjusting stroke frequency.The working stability of frequency converter, use ripe, can use by unit, also can regulate by network remote, very convenient, flexible.
3. monitor bed surface slurry and mine belt layering with photographing module, flowmeter is installed in water loop, controls to adjust valve by PLC, the size of regulating pondage realizes the bed surface slurry that stores in module and mine belt layering optimum state.
4. monitor the gradient of lathe bed with photographing module, control the mechanical component of driven by servomotor based on screw mandrel with PLC, realize the best-fit slope stored in module.
5. monitor that different grade Tin concentrate accesses position with photographing module or photo-electric color mark sensor, control the mechanical component of driven by servomotor based on screw mandrel with PLC, realize automatically regulating Tin concentrate to access position.
Technique scheme 1. in give the control of ore body accumulated amount adopt below any one of two kinds of methods: (a) installs the feed launder (or classification case) that has high-order drop, the liquid level controlling ore pulp is stablized, the exit position of feed launder arranges a valve, PLC is adopted to add single shaft control system, control the aperture of servomotor control valve, ore deposit liquid trickles out by deadweight; The aperture of valve coordinates current meter metering, calculates to the volume in ore deposit; B () drives a flow pump with motor, in the follow-up pipeline of pump, install flowmeter as detecting element, by the speed of Frequency Converter Control flow pump motor, thus reaches to the stability contorting of ore body accumulated amount.
Technique scheme 4. in regulate in the gradient of shaking table lathe bed servomotor used encoder be installed, setting inclination after bottom dead center upper of shaking table lathe bed, according to the positional information of encoder feedback, accurately calculate the gradient of shaking table.
Technique scheme 5. in regulate Tin concentrate access position adopt below any one of two kinds of methods: (a) adopts industrial DV to make a video recording, signal of video signal is input in industrial computer simultaneously, through digitized process, enter a set of image processing software for this reason developed specially, different according to the look shape of the mineral sorted out, draw the digital information of the sorting of the mineral of shaking table mineral output; Meanwhile, the numerical characteristic of the mineral of preset required sorting, draws the concentrate width of sorting, the positional information of concentrate through comparing; B () detects the separating boundary of institute's concentrate selection by photo-electric color mark sensor; Two photo-electric color mark sensors are used to coordinate detent mechanism just can determine point information such as the width of concentrate selection band, the position of concentrate fast.
Beneficial effect of the present invention shows following several aspect:
1, the solution of the present invention not only can significantly reduce by 70% cost of labor.
2, the inventive method can guarantee that shaking table feed ore concentration, volume are stable, improves sorting index 5 ~ 10%.
Detailed description of the invention
Embodiment: collect the newly-built 8000 tons/flow process in ore dressing plant two sections of beds at Yun Xi great and implement cloud tin tabling automation process parameter and device intelligence Monitoring and Controlling.
(1) to cloud tin shaking table feed ore concentration, to ore body accumulated amount; Slightly, carefully, shaking table jig frequency (rotating speed) scope is carved; The shaking table gradient, flushing water, the concentrate band of different grade accesses the setting of the basic technological parameters such as position.
(2) by entering cloud tin tabling best ore deposit concentration, to ore body accumulated amount to different ore properties in section such as Yun Xilao factory, card room, villages choosing (loose ore deposit); Slightly, carefully shaking table jig frequency scope, is carved; The shaking table gradient; Flushing water; The concentrate band of different tin grade accesses the test of position etc., determines best shaking table sorting process parameter, submits Automated condtrol specialty to.
(3) by taking into account to proportion densimeter, flow the automatic control that linkage controlling valve was watered, controlled uninterrupted, realize to shaking table feed ore concentration, to the Automated condtrol of ore body accumulated amount.
(4) by the frequency modulation control of PIC programming to shaking table motor, cloud tin coarse sand bed jig frequency 270 ~ 290 revs/min is realized; Fine sand bed jig frequency 290 ~ 320 revs/min; The scope control of cutting bed jig frequency 320 ~ 360 revs/min.
(5) by table surface slurry and mine belt layering optimum state automatic camera module monitors and now optimum slurry amount, flowmeter is installed in water loop, control to adjust valve by PLC, can the size of regulating pondage realize discharge and automatically control accurately.
(6) gradient of lathe bed regulates is manually regulated by a handle, by table surface slurry and mine belt layering optimum state automatic camera module monitors and the now optimum gradient, interlock adopts PLC to add the mechanical component of single shaft control driven by servomotor based on screw mandrel and automatically regulates and realize the gradient and automatically control.
(7) automatic camera accessing position by different grade Tin concentrate becomes the supervision of module or photo-electric color mark sensor, and the mechanical component based on screw mandrel regulates Tin concentrate to access iron plate automatically, realizes accessing automatic control to table concentrate grade.
Claims (4)
1. a method for tin ore tabling automatic monitoring, is characterized in that:
1. the proportion densimeter of mine-feeding equipment, flow are taken into account each control valve and are connected with industrial computer, realize to shaking table feed ore concentration, to the control of ore body accumulated amount;
2. with PLC to shaking table motor frequency modulation control, realize coarse sand bed jig frequency 270 ~ 290 revs/min, fine sand bed jig frequency 290 ~ 320 revs/min, cutting bed jig frequency 320 ~ 360 revs/min;
3. monitor bed surface slurry and mine belt layering with photographing module, flowmeter is installed in water loop, controls to adjust valve by PLC, the size of regulating pondage realizes the bed surface slurry that stores in module and mine belt layering optimum state;
4. monitor the gradient of lathe bed with photographing module, control the mechanical component of driven by servomotor based on screw mandrel with PLC, realize the best-fit slope stored in module;
5. monitor that different grade Tin concentrate accesses position with photographing module or photo-electric color mark sensor, control the mechanical component of driven by servomotor based on screw mandrel with PLC, realize automatically regulating Tin concentrate to access position.
2. the method for tin ore tabling automatic monitoring according to claim 1, it is characterized in that: any one of two kinds of methods below adopting to the control of ore body accumulated amount in 1.: (a) installs feed launder or the classification case that has high-order drop, the liquid level controlling ore pulp is stablized, the exit position of feed launder arranges a valve, PLC is adopted to add single shaft control system, control the aperture of servomotor control valve, ore deposit liquid trickles out by deadweight; The aperture of valve coordinates current meter metering, calculates to the volume in ore deposit; B () drives a flow pump with motor, in the follow-up pipeline of pump, install flowmeter as detecting element, by the speed of Frequency Converter Control flow pump motor, thus reaches to the stability contorting of ore body accumulated amount.
3. the method for tin ore tabling automatic monitoring according to claim 1, it is characterized in that: regulate in 4. in the gradient of shaking table lathe bed servomotor used and encoder is installed, setting inclination after bottom dead center upper of shaking table lathe bed, according to the positional information of encoder feedback, accurately calculate the gradient of shaking table.
4. the method for tin ore tabling automatic monitoring according to claim 1, it is characterized in that: in 5., adjustment Tin concentrate accesses any one of below position employing two kinds of methods: (a) adopts industrial DV to make a video recording, signal of video signal is input in industrial computer simultaneously, through digitized process, enter a set of image processing software for this reason developed specially, different according to the look shape of the mineral sorted out, draw the digital information of the sorting of the mineral of shaking table mineral output; Meanwhile, the numerical characteristic of the mineral of preset required sorting, draws the concentrate width of sorting, the positional information of concentrate through comparing; B () detects the separating boundary of institute's concentrate selection by photo-electric color mark sensor; Two photo-electric color mark sensors are used to coordinate detent mechanism just can determine a point width for concentrate selection band, the positional information of concentrate fast.
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| CN104714565A (en) * | 2015-03-17 | 2015-06-17 | 山西太钢不锈钢股份有限公司 | Control method with deviation rate adjustment function |
| JP6488820B2 (en) * | 2015-03-30 | 2019-03-27 | 住友金属鉱山株式会社 | Partition plate position control device, partition plate position control method and table specific gravity sorting system provided with partition plate position control device in table specific gravity sorter |
| CN105903557A (en) * | 2016-06-21 | 2016-08-31 | 赣州有色冶金研究所 | Ore zone recognition and ore receiving plate automatic regulating device of concentrating table |
| CN106525167A (en) * | 2016-10-25 | 2017-03-22 | 洛阳栾川钼业集团股份有限公司 | Rough scheelite concentrate measurement method based on electromagnetic wave flowmeter and ultrasonic concentration meter |
| CN109472181B (en) * | 2017-09-07 | 2023-08-11 | 丹东东方测控技术股份有限公司 | Video image analysis and ore receiving point optimization adjustment control system for concentrating table group |
| CN110605185A (en) * | 2019-07-31 | 2019-12-24 | 广西高峰矿业有限责任公司 | Automatic ore dressing centrifuge of control concentrate quality |
| CN113304869B (en) * | 2021-06-03 | 2024-04-19 | 昆明理工大学 | Automatic identification and access method and device for shaking table ore belt |
| CN114453126B (en) * | 2021-12-21 | 2023-09-29 | 云南锡业股份有限公司大屯锡矿 | Tin-containing oxidized vein ore preselection waste disposal method |
| CN114054192A (en) * | 2021-12-29 | 2022-02-18 | 武汉理工大学 | A intelligent collecting box for concentrating table |
| CN114273070A (en) * | 2021-12-29 | 2022-04-05 | 武汉恒乐矿物工程设备有限公司 | Intelligent control shaking table system for mineral separation |
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| DE3533646C1 (en) * | 1985-09-20 | 1987-02-26 | Maschf Augsburg Nuernberg Ag | Device for controlling the discharge of wet settling machines |
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| US6070738A (en) * | 1995-09-08 | 2000-06-06 | The University Of Queensland | Dynamic monitoring and control of jigs |
| CN202735823U (en) * | 2012-08-23 | 2013-02-13 | 山东金岭矿业股份有限公司 | Dressing plant automation control system |
| CN203091097U (en) * | 2013-01-15 | 2013-07-31 | 北京华德创业环保设备有限公司 | Converting device of flotation monitoring gray-scale image and analog quantity |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3533646C1 (en) * | 1985-09-20 | 1987-02-26 | Maschf Augsburg Nuernberg Ag | Device for controlling the discharge of wet settling machines |
| CN1061919A (en) * | 1990-12-04 | 1992-06-17 | 中国黄金总公司白水金矿 | A kind of stroke testing device |
| US6070738A (en) * | 1995-09-08 | 2000-06-06 | The University Of Queensland | Dynamic monitoring and control of jigs |
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