CN109499694A - Give ore control system and method - Google Patents
Give ore control system and method Download PDFInfo
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- CN109499694A CN109499694A CN201811601340.4A CN201811601340A CN109499694A CN 109499694 A CN109499694 A CN 109499694A CN 201811601340 A CN201811601340 A CN 201811601340A CN 109499694 A CN109499694 A CN 109499694A
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- ore
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- pulp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses ore control system and method is given, it is related to ore dressing field.The system includes: ball mill, give ore control subsystem, water supply control subsystem, pulp granularity control subsystem and ball adding control subsystem, wherein: being used to control the mine-supplying quantity for the ore for being input to ball mill to ore control subsystem, water supply control subsystem is used to control the confluent for the water for being input to ball mill, ball mill is for mixed ore and water and is ground, obtain ore pulp, pulp granularity control subsystem is used to control the granularity of ore pulp, ball adding control subsystem is used to obtain the vibration signal of ball mill, the ball adding amount of steel ball in ball mill is controlled according to vibration signal.It is provided in this embodiment to give ore control system and method, convenient, reasonable, comprehensive control of the material to ball mill, load etc. is realized, ball mill is always worked under reasonable operating status, improves production efficiency.
Description
Technical field
The present invention relates to ore dressing fields, more particularly to give ore control system and method.
Background technique
Ball mill is the key equipment that material is broken and then is crushed, and certain number is packed into usually in its cylinder
The steel ball of amount is as abrasive media.Ball mill in use, if being able to maintain the load of ball mill or loading is certain
Value or a certain range, then can make the yield in unit time of ball mill reach highest, unit power consumption can also minimize, and can make to grind
The stable operation of captain's phase prevents empty mill and full mill, also prevents the overground phenomenon of material indirectly in optimum condition.
Currently, usually ball mill installs mill sound measuring instrument additional, pass through generated noise in detection ball mill operational process
Signal judges the current operating conditions of ball mill, determines the load of ball mill, so that the operational process to ball mill is controlled
System.
However, in the above method, the greatly shock from steel ball to liner plate of mill sound is subtracted by the damping of lining material
Vibration performance is affected.Under identical revolving speed, the differences such as shape, section dip angle, coefficient of friction of liner plate, the promotion to steel ball
Effect is different, and steel ball impact force is different, and mill sound also can be different.For the ball mill of different model, structure, lining material, lining
The difference of plate arrangement, steel ball coefficient and revolving speed, the mill sound resulted under its same load condition may also be different, Wu Fashi
Now to convenient, reasonable, comprehensive control of the material of ball mill, load etc..
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide one kind to ore control system and one
Kind gives ore control method.
The technical scheme to solve the above technical problems is that
One kind giving ore control system, comprising: ball mill gives ore control subsystem, water supply control subsystem, pulp granularity control
Subsystem and ball adding control subsystem, in which:
The mine-supplying quantity for being used to control the ore for being input to the ball mill to ore control subsystem, it is described to give water management
Subsystem is used to control the confluent for the water for being input to the ball mill, and the ball mill is for mixing the ore and the water
And ground, ore pulp is obtained, the pulp granularity control subsystem is used to control the granularity of the ore pulp, the ball adding control
Subsystem is used to obtain the vibration signal of the ball mill, and the ball adding of steel ball in the ball mill is controlled according to the vibration signal
Amount.
The beneficial effects of the present invention are: provided by the invention give ore control system, by giving ore control subsystem to mine
Amount is controlled, and is controlled by water supply control subsystem confluent, by pulp granularity control subsystem to ore pulp
Granularity is controlled, and is controlled by ball adding control subsystem ball adding amount, is realized the material to ball mill, load etc.
Convenient, reasonable, comprehensive control, always works in ball mill under reasonable operating status, qualified stablizing Grading Overflow granularity
Grinding machine treating capacity is improved under the premise of rate, under the premise of stablizing mine-supplying quantity, is improved Grading Overflow granularity qualification rate, is improved life
Produce efficiency.
The another technical solution that the present invention solves above-mentioned technical problem is as follows:
One kind giving ore control method, gives mine to ball mill to ore control system using as described in the above technical scheme
Amount, confluent, the granularity of ball adding amount and ore pulp are controlled.
The advantages of additional aspect of the invention, will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or practice is recognized through the invention.
Detailed description of the invention
Fig. 1 is the structural framing schematic diagram that the present invention is provided to the embodiment of ore control system.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and illustrated embodiment is served only for explaining the present invention,
It is not intended to limit the scope of the present invention.
For grinding operation, ore grinding is usually carried out by the grinding system that multistage grinding circuit forms, with primary grinding
Circuit is usually made of ball mill and cyclone, and ball mill can be overflowball mill, and cyclone can be hydraulic cyclone
Device.It is after grinding system is started to work, tcrude ore and a certain proportion of water is defeated filled with the small ball for grinding in ball mill
It is sent into ball mill, tcrude ore is ground by small ball, ore pulp is obtained after grinding, ore pulp enters Pulp pump pond, meanwhile,
The entrance in pump pond adds your a certain amount of liquid, and the ore pulp pumped in pond is transported to waterpower by Pulp pump with certain pressure and concentration
In cyclone, ore pulp is classified under the action of cyclone, and the satisfactory fine fraction ore pulp of granularity enters two from overflow port
Section grinding circuit, the undesirable coarse fraction ore pulp of granularity are back to the ball in primary grinding circuit by the sand sinking port of cyclone
Grinding machine re-starts grinding.
In order to realize the automatic control to above-mentioned process of lapping, adjusts confluent at any time according to monitoring data, mine-supplying quantity, adds
Ball amount etc. runs grinding system in the state of ideal always, improves productivity, reduces operating cost, is reducing enterprise cost, this
Invention provides following optional embodiment.
As shown in Figure 1, for the structural framing schematic diagram that the present invention is provided to the embodiment of ore control system, the system packet
Include: ball mill 1, cyclone 2, Pulp pump 3, to ore control subsystem 4, water supply control subsystem 5, pulp granularity control subsystem
6 and ball adding control subsystem 7, it further include necessary connecting line Electric control route etc..
It is used to control the mine-supplying quantity for the ore for being input to ball mill 1 to ore control subsystem 4, it can to ore control subsystem 4
To include rock feeder, control system etc., tcrude ore is transported to entering for ball mill 1 by conveyer belt by conveyer belt by rock feeder
Mouthful, into ball mill 1, it should be appreciated that those skilled in the art can also be improved to tcrude ore through other mechanical driving devices
It is sent into ball mill 1, control system may include belted electronic balance, control chip and frequency converter etc., and belted electronic balance is for detecting
Tcrude ore weight on conveyer belt, control chip are used for the control according to tcrude ore weight and computer, pass through Frequency Converter Control
The speed of conveyer belt, and then control mine-supplying quantity.
It should be understood that those skilled in the art can also realize that control is input to ore control subsystem 4 by other means
The mine-supplying quantity of the ore of ball mill 1, for example, it is also possible to convey tcrude ore into ball mill 1 by mechanical arm, worker passes through calculating
Machine control mechanical arm, control mechanical arm crawl tcrude ore number and crawl number, control mine-supplying quantity.
Water supply control subsystem 5 is used to control the confluent of the water for being input to ball mill 1, and water supply control subsystem 5 can be with
It include: flowmeter, control system, solenoid valve etc., flowmeter and solenoid valve can be set at the filler of ball mill 1, flow
Meter can monitor the water being added in ball mill 1, and control system may include control chip etc., can control electricity according to water
The aperture of magnet valve realizes the control to the confluent for the water for being input to ball mill 1.
Preferably, water supply control subsystem 5 can also include that the densimeter in 1 exit of ball mill is arranged in, tcrude ore and
Water programs ore pulp after grinding, and the concentration of ore pulp, concentration of the control system automatically according to ore pulp can be detected by densimeter
Solenoid valve is controlled, confluent is adjusted.Those skilled in the art can be arranged according to the actual situation ore pulp concentration and confluent it
Between relationship, can also according to ore control subsystem 4 mine-supplying quantity combine judge confluent, solenoid valve is controlled automatically
System.
It should be understood that those skilled in the art can also realize water supply control subsystem 5 by other means, control is input to
The confluent of the water of ball mill 1, for example, can determine phase according to mine-supplying quantity by detecting to the mine-supplying quantity of ore control subsystem 4
The confluent answered, then by the way that the solenoid valve control confluent at 1 admission port of ball mill is arranged in.Those skilled in the art can be with
Relationship between mine-supplying quantity and confluent is set according to actual needs, to guarantee optimal proportion.
Ball mill 1 is for mixed ore and water and is ground, and ore pulp is obtained.
It should be understood that there is many small balls in ball mill 1, ball mill 1 grinds ore and water by agitation small ball, realization
Mill.
Pulp granularity control subsystem 6 is used to control the granularity of ore pulp, and pulp granularity control subsystem 6 may include: grain
Degree analyzer and control system, Particle Size Analyzer can be used for analyzing the granularity of liquid, by the way that pin is linked into ball mill 1
In export pipeline, ore pulp is obtained, can analyze out the granularity of ore pulp, control system may include control chip etc., can basis
The aperture for adding penstock in the granularity control pump pond of ore pulp and the frequency conversion of Pulp pump 3, make 2 overflow pulp particle size stable of cyclone
In range required by technique.
It should be understood that those skilled in the art can also realize pulp granularity control subsystem 6 by other means, mine is controlled
The granularity of slurry, for example, can be by the densimeter, pressure gauge and the liquidometer real-time detection cyclone 2 that are arranged in pump pond to mine
Concentration, ore feed pressure and pump pit level, obtain current 2 overflow pulp granularity of cyclone using granularity flexible measurement method, then
The aperture for adding penstock in pump pond and the frequency conversion of Pulp pump 3 are controlled according to the granularity of ore pulp, make 2 overflow pulp grain of cyclone
Degree is stablized in the range required by technique.
It should be noted that flexible measurement method is that Theory of Automatic Control and production process knowledge are organically combined
Come, Applied Computer Techniques, is difficult to measure or temporarily immeasurable significant variable (i.e. leading variable), selection is another for some
Outer some variables (i.e. auxiliary variable) with the closely related easy measurement of leading variable, by construct certain mathematical relationship come pair
Leading variable is inferred and is estimated, the measurement function of hardware sensor is replaced with software.
Specifically, firstly, determining relevant variable according to grinding process mechanism, for example, leading variable can be hydraulic cyclone
2 overflow pulp granularity of device, auxiliary variable can give mine flow, feed ore concentration and effluent concentration for cyclone 2；Then, great Liang Shou
Collection leading variable corresponds to the correlated process data of temporal auxiliary variable.Process data is randomly divided into modeling data and inspection
Data portion determines model structure and parameter using Modeling method of fuzzy neural network for modeling data, recycles check number
According to Knowledge Verification Model；Finally, carrying out evaluation and excellent to model by artificial offline grain size analysis data and grinding process overall target
Change, whether technique requirement is met according to evaluation result, analyzes reason, judgment models selection, variables choice and in the period
Floor data processing is with the presence or absence of unreasonable, to technique requirement is unsatisfactory for subsystem progress dynamic adjustment.
Ball adding control subsystem 7 is used to obtain the vibration signal of ball mill 1, controls steel in ball mill 1 according to vibration signal
The ball adding amount of ball.
It should be understood that whether the steel ball in ball mill 1 is sufficient, can be reflected by the Vibration Condition of ball mill 1.Ball adding control
Subsystem 7 may include: ball adding device, control system, vibrating sensor etc., and control system may include control chip and processing
Chip etc. is detected by Vibration Condition of the vibrating sensor to ball mill 1, vibrating sensing can be arranged according to actual needs
Collected vibration is believed by processor for example, can be set in the cylinder of ball mill 1 or on bearing the position of device
It number is handled, judges that current ball mill 1 is that steel ball is enough or steel ball is insufficient, when judgement is the result is that when steel ball deficiency, led to
It crosses control chip controls ball adding device and carries out ball adding.The vibration of ball mill 1 can be arranged in those skilled in the art according to actual needs
Corresponding relationship between dynamic signal and ball adding quantity.
It should be understood that those skilled in the art can also realize ball adding control subsystem 7 by other means, ball mill is controlled
The ball adding amount of steel ball in 1 grabs steel ball by mechanical arm for example, ball adding device can be mechanical arm, passes through adding for ball mill 1
Ball mouth is put into ball mill 1, in another example, ball adding device can also be connected to by pipeline with the soccer fraud mouth of ball mill 1, pass through setting
Solenoid valve control ball adding amount at ball feeding mouth.
It should be noted that ore control system is given above, it, still can be with when including multistage grinding circuit for grinding system
It is practical, respectively multistage grinding circuit can be controlled respectively.
It is provided in this embodiment to give ore control system, by controlling to ore control subsystem 4 mine-supplying quantity, by giving
Water control subsystem 5 controls confluent, is controlled by granularity of the pulp granularity control subsystem 6 to ore pulp, leads to
It crosses ball adding control subsystem 7 to control ball adding amount, realizes the convenient, reasonable, complete of the material to ball mill 1, load etc.
Face control, always works in ball mill 1 under reasonable operating status, mentions under the premise of stablizing Grading Overflow granularity qualification rate
High grinding machine treating capacity improves Grading Overflow granularity qualification rate, improves production efficiency under the premise of stablizing mine-supplying quantity.
The influence of feed preparation unit size and firmness change is overcome by adjusting mine-supplying quantity, to guarantee the stable of ore grinding and mention
High ore treatment ability；1 entrance water of ball mill is adjusted according to mine-supplying quantity, improves mill to keep stable ore milling concentration
Engine efficiency；Grinding machine operating power, oscillation intensity and mine-supplying quantity are monitored, the suitable ball adding that can maintain best Mill power rate is calculated
Amount adjusts ball consumption in real time to optimize grinding process control；Water is added by adjusting pump pond and controls 2 feed ore concentration of cyclone,
2 steady operation of cyclone is kept, provides advantage for the control of 2 overflow pulp granularity of cyclone；By adjusting 3 turns of Pulp pump
Speed to keep pump pit level to stablize, and controls 2 ore feed pressure of cyclone, it is required to obtain to optimize 2 classification process of cyclone
Granularity.
It optionally, in some embodiments, include: belted electronic balance, the first controller, first to ore control subsystem 4
Frequency converter and rock feeder, in which:
Belted electronic balance is used to detect the quality for the ore that rock feeder is conveyed to ball mill 1, and the first controller is used for basis
Quality issues the first control instruction to the first frequency converter, and the first frequency converter is used to control the motor of mine machine according to the first control instruction
Revolving speed, by control motor revolving speed control be input to ball mill 1 ore mine-supplying quantity.
It should be noted that belted electronic balance is for setting in transportation system to the ideal of bulk material progress continuous metering
It is standby, have many advantages, such as that structure is simple, metering is accurate, easy to operate, maintenance is small, be convenient for system administration.Weighing gantry is installed on
In conveying frame, when material passes through, metering carrying roller detects the weight of material on belt feeder, is passed by leverage in weighing
Sensor generates the voltage signal for being proportional to belt load.Velocity sensor is placed directly in friction pulley velometer
On belt, a series of pulses are provided, each pulse indicates a belt movement unit, and the frequency of pulse is proportional to belt speed.
Weighing belt intelligent controller receives signal from weighing sensor and velocity sensor, obtains an instantaneous flow by integral operation
Value and accumulating weight value.First controller can provide the multi-signals such as 4~20mA type to computer system, in system
It completes feed setting and material is instantaneous, inquiry of cumulant.
Optionally, in some embodiments, water supply control subsystem 5 includes: that flowmeter, second controller and first are automatically controlled
Valve, flowmeter and the first electrically-controlled valve are arranged at the water inlet of ball mill 1, in which:
Flowmeter is used to detect the confluent for the water for being input to ball mill 1, and second controller is used for according to mine-supplying quantity and gives
Water issues the second control instruction to the first electrically-controlled valve, and the first electrically-controlled valve is used to control the first electrically-controlled valve according to the second control instruction
Aperture, by control the first electrically-controlled valve aperture control be input to ball mill 1 water confluent.
It should be noted that flowmeter is a kind of induction flow instrument, it is converted by sensor and intelligent signal
Device composition.It is capable of measuring the volume flow of all kinds of conducting liquids, and precision is high, stability is good, not by fluid to be measured temperature, pressure,
The influence of density, viscosity and conductivity variation.Sensor structure is simple, no throttling set, does not block pipeline and does not generate pressure damage
It loses, as long as guaranteeing hydraulically full in measurement pipe and not having bubble.Signal output type has 4~20mA, 0~1kHz, RS485
Deng real-time to export to computer system to show present flow rate.
Optionally, in some embodiments, pulp granularity control subsystem 6 includes: densimeter, pressure gauge, liquidometer,
The export pipeline of Pulp pump 3, liquidometer is arranged in three controllers, the second electrically-controlled valve and the second frequency converter, densimeter and press machine
Setting is in pump pond, in which:
Densimeter is used to detect the concentration of ore pulp, and pressure gauge is used to detect the pressure of ore pulp, and liquidometer is for detecting pump pond
The liquid level of interior ore pulp, third are controlled for ore pulp to be calculated according to concentration, pressure, liquid level and preset granularity Detection model
Granularity, and third control instruction is issued to the second electrically-controlled valve and the second frequency converter according to granularity, the second electrically-controlled valve is used for root
The aperture that the water supply valve in pump pond is controlled according to third control instruction controls ore pulp by the aperture of the water supply valve in control pump pond
Granularity, the second frequency converter are used to control the revolving speed of Pulp pump 3 according to third control instruction, by the revolving speed control for controlling Pulp pump 3
The granularity of ore pulp processed.
It should be understood that pump pit level height has a large effect to the work of Pulp pump 3, pit level is excessively high will cause ororrhea for pump
Out.The speed of service of Pulp pump 3 directly affects the mine-supplying quantity of cyclone 2 and the grading effect of cyclone 2.Pump pit level control not
Only be conducive to grind grading efficiency, and create favorable conditions for subsequent job.
It should be noted that densimeter is used to detect pulp density, and is exported with 4~20mA signal and give main control computer system
System, system will be compared with internal setting data, provide 4~20mA signal according to the concentration value of setting.
Preferably, when liquid level rises, third controller is also used to through mineral slurry flux given value and flow measured value ratio
Export control amount by third controller compared with, deviation, adjust frequency converter, improve 3 revolving speed of Pulp pump, make cyclone 2 to mine
Amount increases, to keep the relative altitude of pump pit level.
Optionally, in some embodiments, pulp granularity control subsystem 6 further include: Particle Size Analyzer and the first processing
Device, in which:
Particle Size Analyzer is used to obtain the overflow pulp after the classification of cyclone 2, detects, is overflow to overflow pulp
Pulp granularity is flowed, first processor is used for using overflow pulp granularity as leading variable, using concentration, pressure and liquid level as auxiliary
Variable is modeled using Modeling method of fuzzy neural network, obtains granularity Detection model.
Optionally, in some embodiments, ball adding control subsystem 7 includes: vibrating sensor group, second processor, and
Four controllers and automatic ball-adding device, in which:
Vibrating sensor group is used to acquire vibration signal when ball mill 1 is run, and second processor is used for vibration signal
It is handled, obtains the relationship between the load and vibrational energy of ball mill 1, the 4th controller is used to calculate ball milling according to relationship
The ball adding amount of the steel ball under current loads state of machine 1, and the 4th control instruction is issued to automatic ball-adding device according to steel ball number,
Automatic ball-adding device be used for according to the 4th control instruction into ball mill 1 ball adding.
Optionally, in some embodiments, second processor is specifically used for carrying out spectrum analysis to vibration signal, establishes ball
The load model of vibration of grinding machine 1 obtains the corresponding spectrum distribution of different load state according to load model of vibration, obtains ball mill
Relationship between 1 load and vibration amplitude and rumble spectrum.
Optionally, in some embodiments, vibrating sensor group is specifically used for the vibration signal of the cylinder of acquisition ball mill 1
With the vibration signal of bearing.
It should be understood that can be handled by vibration signal of the cylinder vibratory drilling method to cylinder, by bear vibration method to axis
The vibration signal held is handled.
Specifically, cylinder vibratory drilling method refers to that the vibration signal for directly acquiring 1 cylinder of ball mill judges mill load.Example
Such as, 1 cylinder vibration signal of ball mill can be acquired using double array acceleration vibrating sensors, at Fast Fourier Transform (FFT)
Reason, after being transformed to spectrum signal, is transmitted with radio frequency method, establishes nerve with the spectrum signal of different moments and other key parameters
Network Soft Sensor Model predicts the intracorporal material position of cylinder according to soft-sensing model.
For bear vibration method, relatively conventional control strategy, which has, merges 1 power of ball mill and ball with bearing vibration signal
The signals such as 1 outlet temperature of grinding machine from optimizing controlling of sampling, can also add on the basis of bear vibration single loop control system
Enter differential pressure compensation device, vibration signal and differential pressure signal combined, pressure difference control on the basis of be aided with vibration signal control into
Row correction, improves detection accuracy.
By carrying out power spectrumanalysis to ball mill 1, the model of vibration of mill load is established based on this, and according to vibration mould
Type measures the distribution of the frequency spectrum under different operating statuses of ball mill 1, finds out between mill load and vibration amplitude, rumble spectrum
Relationship provides theoretical foundation for the hard measurement of mill load, and was run by the viewpoint analysis of system engineering ball mill 1
The state characteristics such as Cheng Wending, unstability and drift have found the inner link between mill load and its influence factor, establish reflection
The mathematics of the system output and state characteristic such as 1 processing capacity of ball mill, filling rate, energy consumption, product granularity, ratio of grinding media to material and vibration
Model group realizes automatic accurate intelligent ball adding, has the advantages that ball adding amount is reasonable, high-efficient.
Optionally, in some embodiments, second processor is also used to through genetic algorithm-partial least squares algorithm to cylinder
The frequency spectrum of vibration signal carry out feature variables selection, and by the electric current of the ball mill 1 in the characteristic spectrum variable of selection and time domain
Signal is merged, and is optimized according to fused data to load model of vibration.
It is appreciated that in some embodiments, may include such as implementation optional some or all of in the various embodiments described above
Mode.
In other embodiments of the invention, one kind is also provided and gives ore control method, using any in such as above-described embodiment
Item is controlled to granularity of the ore control system to the mine-supplying quantity of ball mill, confluent, ball adding amount and ore pulp.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. one kind give ore control system characterized by comprising ball mill, to ore control subsystem, water supply control subsystem,
Pulp granularity control subsystem and ball adding control subsystem, in which:
The mine-supplying quantity for being used to control the ore for being input to the ball mill to ore control subsystem, it is described to give water management subsystem
System is for controlling the confluent for the water for being input to the ball mill, and the ball mill is used to mix the ore and the water is gone forward side by side
Row grinding obtains ore pulp, and the pulp granularity control subsystem is used to control the granularity of the ore pulp, and the ball adding controls subsystem
The vibration signal united for obtaining the ball mill controls the ball adding amount of steel ball in the ball mill according to the vibration signal.
2. according to claim 1 give ore control system, which is characterized in that described to ore control subsystem includes: electronics
Weighing belt, the first controller, the first frequency converter and rock feeder, in which:
The belted electronic balance is used to detect the quality for the ore that the rock feeder is conveyed to the ball mill, first control
Device is used to issue the first control instruction to first frequency converter according to the quality, and first frequency converter is used for according to
First control instruction controls the revolving speed of the motor of the mine machine, and the revolving speed control by controlling the motor is input to the ball milling
The mine-supplying quantity of the ore of machine.
3. according to claim 1 give ore control system, which is characterized in that the water supply control subsystem includes: flow
What meter, second controller and the first electrically-controlled valve, the flowmeter and first electrically-controlled valve were arranged at the ball mill enters water
At mouthful, in which:
The flowmeter is used to detect the confluent for the water for being input to the ball mill, and the second controller is used for according to
To first electrically-controlled valve the second control instruction of sending, first electrically-controlled valve is used for according to for mine-supplying quantity and the confluent
Second control instruction controls the aperture of first electrically-controlled valve, and the aperture control by controlling first electrically-controlled valve is input to institute
State the confluent of the water of ball mill.
4. according to claim 1 give ore control system, which is characterized in that described to give ore control system further include: eddy flow
Device and Pulp pump, the Pulp pump are connect with the grout outlet of the stock inlet of the cyclone and the ball mill respectively, the mine
Slurry granularity control subsystem includes: densimeter, pressure gauge, liquidometer, third controller, the second electrically-controlled valve and the second frequency converter,
The export pipeline of the Pulp pump is arranged in the densimeter and the press machine, and the Pulp pump is arranged in the liquidometer
It pumps in pond, in which:
The densimeter is used to detect the concentration of the ore pulp, and the pressure gauge is used to detect the pressure of the ore pulp, the liquid
Position meter is for detecting the liquid level of ore pulp in the pump pond, and the third control is for according to the concentration, the pressure, the liquid
The granularity of the ore pulp is calculated in position and preset granularity Detection model, and automatically controlled to described second according to the granularity
Valve and second frequency converter issue third control instruction, and second electrically-controlled valve is used to be controlled according to the third control instruction
The aperture of the water supply valve in the pump pond controls the granularity of the ore pulp by controlling the aperture of water supply valve in the pump pond,
Second frequency converter is used to control the revolving speed of the Pulp pump according to the third control instruction, by controlling the Pulp pump
Revolving speed control the granularity of the ore pulp.
5. according to claim 4 give ore control system, which is characterized in that the pulp granularity control subsystem is also wrapped
It includes: Particle Size Analyzer and first processor, in which:
The Particle Size Analyzer examines the overflow pulp for obtaining the overflow pulp after the cyclone classification
It surveys, obtains overflow pulp granularity, the first processor is used for using the overflow pulp granularity as leading variable, will be described dense
Degree, the pressure and the liquid level are modeled using Modeling method of fuzzy neural network as auxiliary variable, obtain the grain
Spend detection model.
6. according to any one of claim 1 to 5 give ore control system, which is characterized in that the ball adding controls subsystem
System includes: vibrating sensor group, second processor, the 4th controller and automatic ball-adding device, in which:
The vibrating sensor group is used to acquire vibration signal when ball mill operation, and the second processor is used for institute
It states vibration signal to be handled, obtains the relationship between the load and vibrational energy of the ball mill, the 4th controller is used
In the ball adding amount for calculating ball mill steel ball under current loads state according to the relationship, and according to the steel ball number to
The automatic ball-adding device issues the 4th control instruction, and the automatic ball-adding device is used for according to the 4th control instruction to institute
State ball adding in ball mill.
7. according to claim 6 give ore control system, which is characterized in that the second processor is specifically used for described
Vibration signal carries out spectrum analysis, establishes the load model of vibration of the ball mill, is obtained not according to the load model of vibration
The corresponding spectrum distribution with load condition, obtains the relationship between the load and vibration amplitude and rumble spectrum of the ball mill.
8. according to claim 7 give ore control system, which is characterized in that the vibrating sensor group is specifically used for acquisition
The vibration signal of the cylinder of the ball mill and the vibration signal of bearing.
9. according to claim 8 give ore control system, which is characterized in that the second processor is also used to pass through heredity
Algorithm-Partial Least Squares carries out feature variables selection to the frequency spectrum of the vibration signal of the cylinder, and by the characteristic spectrum of selection
Variable is merged with the current signal of the ball mill in time domain, is carried out according to fused data to the load model of vibration excellent
Change.
10. one kind gives ore control method, which is characterized in that use and give ore control system as claimed in any one of claims 1-9 wherein
System controls the granularity of the mine-supplying quantity of ball mill, confluent, ball adding amount and ore pulp.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847866A (en) * | 2019-04-23 | 2019-06-07 | 山东钢铁股份有限公司 | A kind of grinding machine ball adding control method and system |
| CN112268842A (en) * | 2020-10-20 | 2021-01-26 | 华北理工大学 | Double-channel dynamic particle size detection device |
| CN113058729A (en) * | 2021-03-26 | 2021-07-02 | 中冶北方（大连）工程技术有限公司 | Closed ore bin control system of high-pressure roller mill |
| CN114522793A (en) * | 2021-12-31 | 2022-05-24 | 浙江艾领创矿业科技有限公司 | Beneficiation fine grinding control method and beneficiation fine grinding control system thereof |
| CN114857018A (en) * | 2022-03-29 | 2022-08-05 | 金堆城钼业汝阳有限责任公司 | Pump station tailing conveying system and method |
| CN115069363A (en) * | 2022-06-10 | 2022-09-20 | 广东家美陶瓷有限公司 | Ceramic continuous ball mill, electric control system and control method thereof |
| CN115254383A (en) * | 2022-08-05 | 2022-11-01 | 金川集团股份有限公司 | Crusher feeding control method and device, electronic equipment and storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776531A (en) * | 2010-02-10 | 2010-07-14 | 东北大学 | Soft sensing method for load parameter of ball mill |
| CN101954309A (en) * | 2010-10-25 | 2011-01-26 | 东南大学 | Disturbance-resistant control device and method in ore-grinding and classifying process |
| CN102357395A (en) * | 2011-10-27 | 2012-02-22 | 东南大学 | Obscure monitoring control device and method in ore grinding grading process |
| CA2790615A1 (en) * | 2011-09-20 | 2013-03-20 | Russell Mineral Equipment Pty Ltd | Method and system for simulating a mill reline |
| CN103350037A (en) * | 2013-07-02 | 2013-10-16 | 太原科技大学 | Overflow particle size control method for cyclone |
| CN103611619A (en) * | 2013-12-11 | 2014-03-05 | 中冶长天国际工程有限责任公司 | Method and device for adjusting steel ball filling rate in control of ore grinding machine |
| CN103839106A (en) * | 2014-02-19 | 2014-06-04 | 西安理工大学 | Ball grinding mill load detecting method for optimizing BP neural network based on genetic algorithm |
| CN105136276A (en) * | 2015-09-18 | 2015-12-09 | 沈阳化工大学 | Non-contact ball mill rotating cylinder vibration signal acquisition system |
| CN107537639A (en) * | 2017-08-25 | 2018-01-05 | 金川集团股份有限公司 | A kind of steel ball for ball mill adds control device automatically |
-
2018
- 2018-12-26 CN CN201811601340.4A patent/CN109499694A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776531A (en) * | 2010-02-10 | 2010-07-14 | 东北大学 | Soft sensing method for load parameter of ball mill |
| CN101954309A (en) * | 2010-10-25 | 2011-01-26 | 东南大学 | Disturbance-resistant control device and method in ore-grinding and classifying process |
| CA2790615A1 (en) * | 2011-09-20 | 2013-03-20 | Russell Mineral Equipment Pty Ltd | Method and system for simulating a mill reline |
| CN102357395A (en) * | 2011-10-27 | 2012-02-22 | 东南大学 | Obscure monitoring control device and method in ore grinding grading process |
| CN103350037A (en) * | 2013-07-02 | 2013-10-16 | 太原科技大学 | Overflow particle size control method for cyclone |
| CN103611619A (en) * | 2013-12-11 | 2014-03-05 | 中冶长天国际工程有限责任公司 | Method and device for adjusting steel ball filling rate in control of ore grinding machine |
| CN103839106A (en) * | 2014-02-19 | 2014-06-04 | 西安理工大学 | Ball grinding mill load detecting method for optimizing BP neural network based on genetic algorithm |
| CN105136276A (en) * | 2015-09-18 | 2015-12-09 | 沈阳化工大学 | Non-contact ball mill rotating cylinder vibration signal acquisition system |
| CN107537639A (en) * | 2017-08-25 | 2018-01-05 | 金川集团股份有限公司 | A kind of steel ball for ball mill adds control device automatically |
Non-Patent Citations (1)
| Title |
|---|
| 中国机械工程学会: "《"数控一代" 案例集》", 31 January 2017, 中国科学技术出版社 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847866A (en) * | 2019-04-23 | 2019-06-07 | 山东钢铁股份有限公司 | A kind of grinding machine ball adding control method and system |
| CN112268842A (en) * | 2020-10-20 | 2021-01-26 | 华北理工大学 | Double-channel dynamic particle size detection device |
| CN113058729A (en) * | 2021-03-26 | 2021-07-02 | 中冶北方（大连）工程技术有限公司 | Closed ore bin control system of high-pressure roller mill |
| CN113058729B (en) * | 2021-03-26 | 2023-11-28 | 中冶北方（大连）工程技术有限公司 | Ore bin control system for high-pressure roller grinding closed circuit |
| CN114522793A (en) * | 2021-12-31 | 2022-05-24 | 浙江艾领创矿业科技有限公司 | Beneficiation fine grinding control method and beneficiation fine grinding control system thereof |
| CN114857018A (en) * | 2022-03-29 | 2022-08-05 | 金堆城钼业汝阳有限责任公司 | Pump station tailing conveying system and method |
| CN114857018B (en) * | 2022-03-29 | 2024-04-16 | 金堆城钼业汝阳有限责任公司 | Pump station tailing conveying system and method |
| CN115069363A (en) * | 2022-06-10 | 2022-09-20 | 广东家美陶瓷有限公司 | Ceramic continuous ball mill, electric control system and control method thereof |
| CN115069363B (en) * | 2022-06-10 | 2024-02-27 | 广东家美陶瓷有限公司 | Ceramic continuous ball mill, electric control system and control method thereof |
| CN115254383A (en) * | 2022-08-05 | 2022-11-01 | 金川集团股份有限公司 | Crusher feeding control method and device, electronic equipment and storage medium |
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