CN109225661A - A kind of flotation device process control equipment and control method - Google Patents
A kind of flotation device process control equipment and control method Download PDFInfo
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- CN109225661A CN109225661A CN201811324716.1A CN201811324716A CN109225661A CN 109225661 A CN109225661 A CN 109225661A CN 201811324716 A CN201811324716 A CN 201811324716A CN 109225661 A CN109225661 A CN 109225661A
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- angle
- impeller
- flotation device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/16—Flotation machines with impellers; Subaeration machines
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Biotechnology (AREA)
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of flotation device process control equipment and control method, the different duty parameters of the sensor detection floatation process process in detection system and the parameter output that will test, are then converted into digital signal for the signal of acquisition by data collecting card and export；Parameter of the computer according to sensor output each in detection system in controller, and according to intelligent optimization algorithm module, calculating is optimized to different duty parameters, the procedure parameter control signal after optimization is sent to execution part；After execution part receives the control signal of computer transmission, the variation of motor speed, impeller height (angle), flow-stopping plate height (angle) is realized by adjusting servo motor.The present invention establishes a fusion multi-parameter in the Optimum Matching model of one, by in due course, appropriately adjust each variable, the normal operation for guaranteeing flotation device, greatlys improve the accuracy of its Process Control System and realizes automation and the intelligentized control method of floatation process.
Description
Technical field
The present invention relates to a kind of flotation device process control equipment and control method, a kind of especially flotation device stirring technique mistake
Journey parameter is according to different operating conditions in the process control equipment and control method of nonlinear change.
Background technique
Flotation is the technology and a kind of main beneficiation method of a sorting mined material.Its cardinal principle is according to mineral
The difference of Surface Physical Chemistry property, Gu on gas-liquid-three phase boundary sorting mined material science and technology.Floatation process process
It is that ore raw materials before flotation prepares to a series of continuous process of output concentrate.During floatation process, flotation is influenced
There are many technological factor of journey, but more important have: feed particle size, the selected concentration of ore pulp, regime of agent, the ore pulp of ore are dense
Degree, slurry temperature, water quality, flotation time, flotation process etc..The automatic control of Floating Production Process is for ensureing product matter
Figureofmerit improves Beneficiation and has a very important role, and the method mainly implemented is using suitable controller, detection
Instrument and execution unit are hardware foundation, while being realized by the participation of designer or site operation personnel and cooperation
's.Floatation process control is to improve the important method of flotation efficiency.
Flotation device Process Control System is related to technological parameter adjusting, intelligent optimization algorithm, signal acquisition, signal processing and leads to
News control etc..Currently, flotation device is fitted when working according to feedstock property, treating capacity, product requirement, equipment attrition situation etc.
Work as adjusting, the main adjusting including mineral syrup liquid height, aeration quantity, ore pulp internal circulating load and rabbling mechanism gap etc..But in mine
Under conditions of the feed particle size of stone, the selected concentration of ore pulp, water quality, flotation time, flotation process equal-specification are certain, stirring
The parameters such as wheel speed, impeller height (angle), flow-stopping plate height (angle) similarly produce weight to flotation effect in device
It influences, therefore the control optimization of flotation device similarly needs to optimize above-mentioned parameter.
To solve the above problems, the method generallyd use is timely and effectively to indicate ore dressing using test technique automatic
The variation of each parameter of process, and according to the result of feedback timely and accurately adjust automatically flotation relevant parameter.Currently, choosing both at home and abroad
The automation degree of integration of mine factory is higher and higher, and wherein the control system of flotation device is according to complexity, hardware requirement and performance
It is divided into three kinds of different levels, is followed successively by stability contorting, Supervised Control, optimum control.It is general only to pan feeding in floatation process
Amount, feed thickness and floating agent dosage and flotation device liquid level carry out automatically controlling.But this method still has disadvantage, because of flotation
Technique is not a simple industrial process, it contains many difficult, complicated automatic technology difficult points, such as controls
The features such as non-linear, time-varying, easy overshoot, multivariable and random disturbances that system is easy to appear, requires control unit to have strong
Robustness and adaptability.Detection & Controling only are carried out to parameters such as feeding, feed thickness, flotation device liquid levels, without examining
Consider technological parameter between coupled relation and to other influence factors carry out regulation be it is incomplete, can not really realize floating
The control of machine is selected to optimize.
Summary of the invention
Goal of the invention: the main purpose of the present invention is to provide a kind of flotation device process control equipments, can mention significantly
High flotation efficiency ensures flotation quality and extends the economiclife of flotation device；Another object of the present invention is to provide one
Kind of flotation device process apparatus control method, it can be achieved that the wheel speed of flotation device, impeller (or flow-stopping plate) elevation angle energy according to
Flotation operating condition is adjusted in real time, achievees the purpose that flotation device is energy-efficient.
Technical solution:
A kind of flotation device process control equipment, it is characterised in that:
Include:
Adjustment system, detection system and controller；
The adjustment system includes:
The liftable impeller in barrel center is provided with the blade of adjustable-angle on impeller；Impeller spindle is connected to motor；
Fixed plate is provided on the inside of barrel, multiple flow-stopping plates setting of longitudinal arrangement is connect on baffle panel guide with fixed plate；
Each flow-stopping plate is connect by revolute pair with baffle panel guide；Multiple flow-stopping plates on same baffle panel guide pass through an interlocking bar
It links together；The interlocking bar and baffle panel guide are respectively connected with driving device；
Fixed plate circumference uniform distribution on barrel；
The detection system includes flow sensor, concentration sensor and liquid level sensor, is arranged at wall inner portion, each to sense
Device is connected to computer by data collecting card；
The controller is the computer for being connected with above-mentioned each sensor.
The flotation device process control equipment, it is characterised in that: the impeller spindle is connected to motor by shaft coupling；Institute
It states motor to be arranged on pole bracket, the pole bracket is connect with the column on the outside of barrel by column guide rail.
The flotation device process control equipment, it is characterised in that: the main shaft is overlapped with barrel axis；The impeller, master
Axis and motor can be moved up and down on barrel axial direction along column guide rail by pole bracket.
The flotation device process control equipment, it is characterised in that: the interlocking bar and baffle panel guide are respectively electric with servo
Machine connection.
The flotation device process control equipment, it is characterised in that: the impeller blade quantity is three, each root of blade
It is provided with angle adjustment device.
The control method of the control device, characterized by the following steps:
The different duty parameters of sensor detection flotation device process control in step 1. detection system, including feeding, pan feeding
Concentration, floating agent, flotation device liquid level Parameters variation, the signal of acquisition is then converted by digital letter by data collecting card
Number output, then execute step 2；
Step 2. judges whether floatation process parameter is lower than target value, if so, step 3 is executed, if not, executing step 4；
Parameter of the computer according to sensor output each in detection system in step 3. controller is high by wheel speed, impeller
Degree, angle；Flow-stopping plate height, angle；Then one control signal of transmission executes step 5 to execution part；
Calculated result of the step 4. according to intelligent optimization algorithm module optimizes calculating to different duty parameters, and exports
Wheel speed, impeller height after optimization, angle；Flow-stopping plate height, angle control signal to execution part, then execute step
Rapid 5；
After step 5. flotation adjusts the control signal that system receives computer transmission, control is adjusted by servo motor, into
And realize wheel speed, impeller height, angle；The optimization of flow-stopping plate height, angle parameter.
Advantage and effect: compared with other flotation device process control technologies, flotation device process control equipment of the invention
And control method can comprehensively consider the coupling interaction influenced between flotation device process parameter and influence, by due course, appropriate
The shortcomings that ground adjusts the device parameters such as wheel speed, impeller (or flow-stopping plate) elevation angle, improves the above-mentioned prior art, makes flotation
Machine runs well, and greatlys improve the accuracy of Process Control System and extends the economiclife of flotation device.
Detailed description of the invention:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is main axle structure schematic diagram of the invention；
Fig. 3 is flow-stopping plate structural schematic diagram of the invention；
Fig. 4 is operational flow diagram of the invention.
Detailed description of the invention: 11 barrels；12 pole brackets；13 columns；14 column guide rails；21 motors；22 shaft couplings；23 main shafts；
24 blades；31 fixed plates；32 baffle panel guides；33 flow-stopping plates；34 interlocking bar.
Specific embodiment:
The present invention includes a kind of flotation device process control equipment, specially such as flowering structure:
A kind of flotation device process control equipment, it is characterised in that:
Include:
Adjustment system, detection system and controller；
The adjustment system includes:
The liftable impeller in barrel center is provided with the blade 24 of adjustable-angle on impeller；Impeller spindle 23 and motor 21 connect
It connects；
Fixed plate 31 is provided on the inside of barrel, multiple flow-stopping plates 33 of longitudinal arrangement are arranged on baffle panel guide 32 and fixed plate
31 connections；Each flow-stopping plate 33 is connect by revolute pair with baffle panel guide 32；Multiple flow-stopping plates on same baffle panel guide 32
33 are linked together by an interlocking bar 34；The interlocking bar 34 and baffle panel guide 32 are respectively connected with driving device；
The circumference uniform distribution on barrel of fixed plate 31；
The detection system includes flow sensor, concentration sensor and liquid level sensor, is arranged at wall inner portion, each to sense
Device is connected to computer by data collecting card；
The controller is the computer for being connected with above-mentioned each sensor.
The flotation device process control equipment, it is characterised in that: the impeller spindle 23 is connected to electricity by shaft coupling 22
Machine 21；The motor 21 is arranged on pole bracket 12, and the pole bracket 12 passes through column guide with the column 13 on the outside of barrel
Rail 14 connects.
The flotation device process control equipment, it is characterised in that: the main shaft 23 is overlapped with barrel axis；The impeller,
Main shaft 23 and motor 21 can be moved up and down on barrel axial direction along column guide rail 14 by pole bracket 12.
The flotation device process control equipment, it is characterised in that: the interlocking bar 34 and baffle panel guide 32 respectively with watch
Take motor connection.
The flotation device process control equipment, it is characterised in that: 23 quantity of impeller blade is three, each blade root
Portion is provided with angle adjustment device.
Further include the control method for having above-mentioned apparatus:
Include the following steps:
The different duty parameters of sensor detection flotation device process control in step 1. detection system, including feeding, pan feeding
Concentration, floating agent, flotation device liquid level Parameters variation, the signal of acquisition is then converted by digital letter by data collecting card
Number output, then execute step 2；
Step 2. judges whether floatation process parameter is lower than target value, if so, step 3 is executed, if not, executing step 4；
Parameter of the computer according to sensor output each in detection system in step 3. controller is high by wheel speed, impeller
Degree, angle；Flow-stopping plate height, angle；Then one control signal of transmission executes step 5 to execution part；
Calculated result of the step 4. according to intelligent optimization algorithm module optimizes calculating to different duty parameters, and exports
Wheel speed, impeller height after optimization, angle；Flow-stopping plate height, angle control signal to execution part, then execute step
Rapid 5；
After step 5. flotation adjusts the control signal that system receives computer transmission, control is adjusted by servo motor, into
And realize wheel speed, impeller height, angle；The optimization of flow-stopping plate height, angle parameter.
Flotation device process control of the present invention is arranged in flotation device system, and the impeller for adjusting flotation device system turns
The device parameters such as speed, impeller height (angle), flow-stopping plate height (angle).
The present invention is described in detail with reference to the accompanying drawing.
By the control to wheel speed, it is aided with the adjusting of impeller height (angle), flow-stopping plate height (angle), it can be to floating
It selects procedure parameter to control effectively, improves the working performance and reliability of flotation device.
Wherein detection system is made of multiple sensors and data collecting card, and sensor includes flow sensor, concentration biography
Sensor, liquid level sensor etc.；In flotation device system worked well, the parameter under different working conditions and its result is defeated is detected
Out.Each sensor monitors the duty parameter under flotation device system working order in real time, and system parameter is passed through number
Computer is passed to according to capture card.
Sensor signal is passed to data collecting card by flotation detection system, and then is passed to controller and carried out at data
Reason, and flotation adjustment system is passed the signal along to, it is adjusted accordingly, is passed through by impeller regulating device and flow-stopping plate regulating device
Closed-loop control system is formed after feedback, the final automatic control for realizing floatation process parameter.
Fig. 2 is main axle structure schematic diagram of the invention；
Fig. 3 is flow-stopping plate structural schematic diagram of the invention；
It is issued and is instructed by controller, control servo motor moves up and down flow-stopping plate integrally, while controlling interlocking bar 34 and make baffle
The adjustable angle of plate 33.The height and angular adjustment of flow-stopping plate 33, can both be controlled simultaneously, can also be separated and be controlled.
Fig. 4 is operational flow diagram of the invention；As shown, using flotation device process apparatus intelligent control side of the invention
The software platform of method pre-establishes flotation device system condition parameter (feeding, feed thickness, floating agent, flotation device liquid level)
With the non-linear relation of the device parameters such as wheel speed, impeller height (angle), flow-stopping plate height (angle), execute whereby following
Step:
The technological parameter of sensor detection flotation device system difference operating condition in step 1. detection system, is then acquired by data
The signal of acquisition is converted into digital signal output by card, then executes step 2；
Step 2. judges whether the parameters such as floating agent, flotation device liquid level are lower than the optimal objective value of sample database storage (i.e.
Predetermined value corresponding to one group of predetermined duty parameter includes wheel speed, impeller height (angle), flow-stopping plate height (angle)
Deng), if so, step 3 is executed, if not, executing step 4；
Parameter of the computer according to sensor output each in detection system in step 3. controller is high by wheel speed, impeller
(angle), one control signal of flow-stopping plate height (angle) transmission are spent to execution part, then execute step 5；
Corresponding relationship between the device parameters such as duty parameter and wheel speed stored by the computer sample database of controller,
Make the corresponding predetermined optimum value of one group of predetermined duty parameter, which compares and analyzes with the revolving speed after optimization.In reality
In testing, presetting one group of duty parameter feed thickness value is 20%, floating agent 400g/t, feeding 50m 3 /h, flotation device liquid
Position 5, blade rotational speed corresponding to this group of duty parameter are 80；Separately one group of predetermined duty parameter feed thickness value is set as 25%, flotation medicine
Agent 450g/t, feeding 55m 3 /h, flotation device liquid level 8, blade rotational speed corresponding to this group of duty parameter is 90.The rest may be inferred, will
The corresponding wheel speed of every group of duty parameter, establishes the non-linear relation between wheel speed and duty parameter.
Calculated result of the step 4. according to intelligent optimization algorithm module optimizes calculating to different duty parameters, and
Then wheel speed, impeller height (angle), flow-stopping plate height (angle) control signal after output optimization are held to execution part
Row step 5；
After step 5. execution part receives the control signal of computer transmission, by adjusting servo motor, and then realize that impeller turns
The optimization of the parameters such as speed, impeller height (angle), flow-stopping plate height (angle), and keep wheel speed constant and return to above-mentioned step
Rapid 1, step 1 is repeated to step 5, changes wheel speed in due course according to the variation of flotation device system condition parameter.
In an experiment, feed thickness value is 28%, floating agent 430g/t, feeding 45m 3 /h, flotation device liquid level 7, pass through
The blade rotational speed of intelligent optimization algorithm optimization is 75, then transmits control signal control execution part (i.e. wheel speed, impeller height
Spend the equipment such as (angle), flow-stopping plate height (angle)).Hereafter, signal and control are constantly acquired by detection system sensor
Device partial analysis and processing are realized by adjusting servo motor to wheel speed, impeller height (angle), flow-stopping plate height (angle
Degree) etc. device parameters control.
After running through the above steps, the overall output signal of the system further includes impeller height in addition to wheel speed signal
Spend the mixing plants parameters such as (angle), flow-stopping plate height (angle).
Claims (6)
1. a kind of flotation device process control equipment, it is characterised in that:
Include:
Adjustment system, detection system and controller；
The adjustment system includes:
The liftable impeller in barrel center is provided with the blade (24) of adjustable-angle on impeller；Impeller spindle (23) and motor
(21) it connects；
Be provided with fixed plate (31) on the inside of barrel, multiple flow-stopping plates (33) of longitudinal arrangement be arranged on baffle panel guide (32) with
Fixed plate (31) connection；Each flow-stopping plate (33) is connect by revolute pair with baffle panel guide (32)；Same baffle panel guide (32)
On multiple flow-stopping plates (33) linked together by an interlocking bar (34)；The interlocking bar (34) and baffle panel guide (32)
It is respectively connected with driving device；
Fixed plate (31) circumference uniform distribution on barrel；
The detection system includes flow sensor, concentration sensor and liquid level sensor, is arranged at wall inner portion, each to sense
Device is connected to computer by data collecting card；
The controller is the computer for being connected with above-mentioned each sensor.
2. flotation device process control equipment according to claim 1, it is characterised in that: the impeller spindle (23) passes through shaft coupling
Device (22) is connected to motor (21)；The motor (21) is arranged on pole bracket (12), the pole bracket (12) and barrel
The column (13) in outside is connected by column guide rail (14).
3. flotation device process control equipment according to claim 2, it is characterised in that: the main shaft (23) and barrel axis weight
It closes；The impeller, main shaft (23) and motor (21), can be on barrel axial directions along column guide rail by pole bracket (12)
(14) it moves up and down.
4. flotation device process control equipment according to claim 1, it is characterised in that: the interlocking bar (34) and flow-stopping plate are led
Rail (32) is respectively connect with servo motor.
5. flotation device process control equipment according to claim 1, it is characterised in that: impeller blade (23) quantity is
Three, each root of blade is provided with angle adjustment device.
6. a kind of control method of control device as described in claim 1, characterized by the following steps:
The different duty parameters of sensor detection flotation device process control in step 1. detection system, including feeding, pan feeding
Concentration, floating agent, flotation device liquid level Parameters variation, the signal of acquisition is then converted by digital letter by data collecting card
Number output, then execute step 2；
Step 2. judges whether floatation process parameter is lower than target value, if so, step 3 is executed, if not, executing step 4；
Parameter of the computer according to sensor output each in detection system in step 3. controller is high by wheel speed, impeller
Degree, angle；Flow-stopping plate height, angle；Then one control signal of transmission executes step 5 to execution part；
Calculated result of the step 4. according to intelligent optimization algorithm module optimizes calculating to different duty parameters, and exports
Wheel speed, impeller height after optimization, angle；Flow-stopping plate height, angle control signal to execution part, then execute step
Rapid 5；
After step 5. flotation adjusts the control signal that system receives computer transmission, control is adjusted by servo motor, into
And realize wheel speed, impeller height, angle；The optimization of flow-stopping plate height, angle parameter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324716.1A CN109225661B (en) | 2018-11-08 | 2018-11-08 | Flotation machine process control device and control method |
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|---|---|---|---|
| CN201811324716.1A CN109225661B (en) | 2018-11-08 | 2018-11-08 | Flotation machine process control device and control method |
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| CN109225661B CN109225661B (en) | 2023-09-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918266A (en) * | 2019-12-10 | 2020-03-27 | 中南大学 | Control device and method for improving flotation froth quality |
| CN113634369A (en) * | 2020-05-11 | 2021-11-12 | 北矿机电科技有限责任公司 | Permanent magnetism cylinder magnet separator self-adaptation control system |
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