CN105057079B - Ore grinding ore grain size control system and control method - Google Patents
Ore grinding ore grain size control system and control method Download PDFInfo
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- CN105057079B CN105057079B CN201510489535.4A CN201510489535A CN105057079B CN 105057079 B CN105057079 B CN 105057079B CN 201510489535 A CN201510489535 A CN 201510489535A CN 105057079 B CN105057079 B CN 105057079B
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Abstract
The present invention relates to technical field of beneficiation, more particularly, to a kind of ore grinding ore grain size control system and control method.The ore grinding ore grain size control system includes human and machine interface unit, detection unit, central data processing unit and execution unit；Setup parameter of the setting on ore grinding ore grain size in human and machine interface unit, and detect the actual parameter on ore grinding ore grain size in real time by detection unit, actual parameter and setup parameter are subjected to intellectual analysis judgement by central data processing unit, then relevant action is controlled by execution unit, and the ratio of big ore, middle ore and small ore is maintained in the range of setup parameter.The present invention ensure that the stabilization of mine-supplying quantity, in turn ensure that the optimal grain class distribution to ore deposit ore, drastically increase the grinding efficiency of ore grinding semi-autogenous mill, also had some improvement to cyclone overflow enriched fineness by automated control.
Description
Technical field
The present invention relates to mixing beneficiation technical field, more particularly, to a kind of ore grinding ore grain size control system and controlling party
Method.
Background technology
Ore grinding part is directly affected as the very important part in ore dressing part one, the quality of grinding operation index
To the stabilization of next stage beneficiation flowsheet floatation indicators.Therefore, stable control ore grinding ore grain size index has for mineral processing production
Very important effect.
Existing grinding flowsheet approximately as：
Ore is fallen on ore pile under being rotated after crusher in crushing, then will by the heavy plate feeder below ore pile
Ore is given on feeding belt.Ore enters semi-autogenous mill by Belt Conveying again, and the feeding end of semi-autogenous mill is provided with half certainly
Priming valve door is ground, and water and ore enter semi-autogenous mill, have steel ball in semi-autogenous mill, ore is broken by the rotation of semi-autogenous mill
It is broken, discharged from the exhaust end of semi-autogenous mill；
The exhaust end of semi-autogenous mill is provided with Semi-Autogenous flushing water valve, and the ore pulp discharged from the exhaust end of semi-autogenous mill leads to
Cross straight line shaker and carry out first time classification, also there is flushing water on straight line shaker, thick particle falls into passback skin on compass screen surface by vibration
Band, returns again to and is crushed into semi-autogenous mill；
The undersize of straight line shaker, into Pulp pump pond, cyclone is transported to by Pulp pump, second is carried out and is classified；
Cyclone overflows qualified grade into floatation system, coarse granule enters ball mill from the desilting mouth of cyclone, again
Grinding, is discharged from the exhaust end of ball mill afterwards.The exhaust end of ball mill is provided with flushing water, and the ore pulp of ball milling discharge enters slag
Stock pump pond, is then again introduced into cyclone classification.
Since the disposal ability of semi-autogenous mill is limited, if ore particle mean size is excessive, going out for semi-autogenous mill can be caused
Ore deposit is second-rate, and if ore particle mean size is too small, waste the production capacity of semi-autogenous mill.And the ore deposit that gyratory crusher crushes
Stone footpath span is larger, it is therefore desirable to ore is classified according to block footpath, is then sent into semi-autogenous mill, such ability by a certain percentage
Ensure the quality and yield of the final products of ore grinding,
In the prior art, adjust the granularity of cyclone overflow typically by the parameter of adjustment cyclone, not from
Ore provides solution on source.
The content of the invention
It is an object of the invention to provide a kind of ore grinding ore grain size control system and control method, it is possible to achieve Semi-Autogenous
The optimal of machine gives ore control.
A kind of ore grinding ore grain size control system provided by the invention, including：
Human and machine interface unit, inputs the setup parameter on ore grinding ore grain size wherein, and the setup parameter includes：Greatly
The frequency parameter of ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate feeder；Send
In the ore for entering semi-autogenous mill, the area ratio scope ginseng shared by the area ratio range parameter and small ore shared by big ore
Number；And it is sent into the ore total amount parameter of semi-autogenous mill；
Detection unit, is configured to detect the actual parameter on ore grinding ore grain size, the actual parameter includes：It is sent into
In the ore of semi-autogenous mill, the real area ratio shared by real area ratio and small ore shared by big ore, and be sent into
The actual total amount of ore of semi-autogenous mill；
Central data processing unit, is configured to the actual parameter and the setup parameter directly carrying out intellectual analysis
Judge, and according to analysis and judging result, improve or reduce big ore heavy plate feeder, middle ore heavy plate feeder
And the frequency parameter of small ore heavy plate feeder；
Execution unit, according to the frequency parameter after adjustment, be correspondingly improved or reduce big ore heavy plate feeder, in
The working frequency of ore heavy plate feeder and small ore heavy plate feeder, in the ore for making feeding semi-autogenous mill,
Real area ratio shared by big ore and the real area ratio shared by small the ore face shared by the big ore in setting respectively
In area ratio range parameter shared by product proportion parameter and small ore, and make the actual total amount of ore of feeding semi-autogenous mill
Stablize the ore total amount parameter in the feeding semi-autogenous mill of setting.
Preferably, detection unit detection be sent into real area ratio in the ore of semi-autogenous mill shared by big ore and
Real area ratio shared by small ore, the area ratio model as shared by central data processing unit by its big ore with setting
Enclose parameter and the area ratio range parameter shared by small ore compares, such as real area ratio of big ore or small ore is less than
Or higher than the area ratio scope of setting lower limit or upper limit value when, then be correspondingly improved or reduce big ore heavy-duty plate to
The frequency of ore deposit machine or small ore heavy plate feeder, until the real area ratio stabilization of big ore or small ore is in setting
In the range of area ratio；
During the real area ratio of big ore or small ore is adjusted, while according to the mine-supplying quantity and belt of setting
The deviation of the ore deposit amount of scale detection, by the frequency of ore heavy plate feeder in PID adjust automaticallies, makes feeding semi-autogenous mill
The actual total amount of ore is continually and steadily in the ore total amount parameter for being sent into semi-autogenous mill of setting.
Preferably, the setup parameter further include big ore heavy plate feeder, middle ore heavy plate feeder with
And the upper limit value and lower limit of the frequency parameter of small ore heavy plate feeder.
Preferably, the block footpath of the big ore is 100mm~200mm, and the block footpath of the middle ore is 50mm~100mm,
The block footpath of the small ore is 0~50mm.
Preferably, the ore is crushed by gyratory crusher, obtains big ore, middle ore and small ore, and send out whereabouts
To ore pile；Acted on according to the segregation of ore, small ore is located at the center of ore pile, and big ore is located at the two sides of ore pile
Edge, two regions between small ore and big ore are middle ore.
Preferably, the big ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate
Formula rock feeder respectively has two groups, is arranged at the lower section of ore pile, respectively with big ore, middle ore, small ore position correspondence；Every group
Heavy plate feeder has two, is symmetrically arranged in the both sides of feeding belt.
Preferably, the execution unit is by the way of substep adjusts, to big ore heavy plate feeder, middle ore weight
The frequency parameter of apron feeder and small ore heavy plate feeder carries out intermittent unique step and adjusts.
A kind of ore grinding ore grain size control method provided by the invention, including：
Default step：Setup parameter of the input on ore grinding ore grain size, the setup parameter in human and machine interface unit
Including：The frequency of big ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate feeder
Parameter；It is sent into the ore of semi-autogenous mill, the area ratio shared by area ratio range parameter and small ore shared by big ore
Range parameter；And it is sent into the ore total amount parameter of semi-autogenous mill；
Detecting step：The actual parameter on ore grinding ore grain size is detected using detection unit, the actual parameter includes：
It is sent into the ore of semi-autogenous mill, the real area ratio shared by real area ratio and small ore shared by big ore, and
It is sent into the actual total amount of ore of semi-autogenous mill；
Processing step：The actual parameter that the detection unit is detected by the interface operation unit with being inputted
The setup parameter be transferred to central data processing unit, by the central data processing unit carry out intellectual analysis judgement；
And
Ore grinding ore grain size rate-determining steps：According to the analysis judging result of the central processing unit, pass through execution unit
Control improves or reduces big ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy-duty plate to ore deposit
The actual operating frequency of machine, in the ore for making feeding semi-autogenous mill, shared by the real area ratio and small ore shared by big ore
Real area ratio the area ratio range parameter shared by the big ore in setting and the area ratio shared by small ore respectively
In range parameter, and the actual total amount stabilization of ore of feeding semi-autogenous mill is set to join in the ore total amount of the feeding semi-autogenous mill of setting
Number.
Preferably, the ore grinding ore grain size rate-determining steps are：
Real area ratio and small ore in the ore of semi-autogenous mill shared by big ore are sent into the detection unit detection
Shared real area ratio, the area ratio range parameter as shared by central data processing unit by its big ore with setting
Compare with the area ratio range parameter shared by small ore, such as real area ratio of big ore or small ore is below or above
When the lower limit or upper limit value of the area ratio scope of setting, then be correspondingly improved or reduce big ore heavy plate feeder or
The frequency of small ore heavy plate feeder, until area ratio of the real area ratio stabilization of big ore or small ore in setting
In the range of example；
During the real area ratio of big ore or small ore is adjusted, while by execution unit adjust automatically
The frequency of ore heavy plate feeder, make the actual total amount of ore of feeding semi-autogenous mill continually and steadily setting feeding half from
The ore total amount parameter of grinding machine.
Preferably, in the ore grinding ore grain size rate-determining steps, central data processing unit using substep adjust by the way of,
To the frequency parameter of big ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate feeder
Carry out intermittent unique step to adjust, if qualified, just no longer adjust, if unqualified, continue to adjust, until limit value.
Beneficial effects of the present invention are：
(1) it ensure that the stabilization of mine-supplying quantity, in turn ensure that the optimal grain class distribution to ore deposit ore, drastically increase ore grinding
The grinding efficiency of semi-autogenous mill, also has some improvement cyclone overflow enriched fineness；
(2) data acquisition and device manipulation all automations, fast response time；
(3) regulation and control to each device are more accurate；
(4) it make use of the disposal ability of semi-autogenous mill to greatest extent, while improve the use longevity of semi-autogenous mill liner plate
Life.
Brief description of the drawings
Fig. 1 is the schematic diagram of the grinding flowsheet involved by the embodiment of the present invention；
Fig. 2 is the schematic diagram of ore grinding ore grain size control system of the present invention；
When is the present invention is not used in Fig. 3, the ore grain size change for the feeding semi-autogenous mill that ore grain size analyzer measures is bent
Line；
Fig. 4 is using the ore grain size change curve for being sent into semi-autogenous mill that after the present invention, ore grain size analyzer measures.
Embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Easy to describe the present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the schematic diagram of the grinding flowsheet involved by the embodiment of the present invention.
As shown in Figure 1, in one preferred embodiment, mine-feeding equipment is heavy plate feeder 1.Its grinding flowsheet
Approximately as described：
Ore is crushed by gyratory crusher, under fall on ore pile during can produce segregation effect.Segregation effect
Rule is：The bigger ore of particle is more walked toward both sides in dropping process, and the smaller ore of particle is in center.The lower section cloth of ore pile
12 heavy plate feeders have been put, have been denoted as 1 respectively#Heavy plate feeder~12#Heavy plate feeder, every two compositions
One group, be altogether six groups.Every group of heavy plate feeder is oppositely disposed in the top both sides of feeding belt 2, while to feeding belt 2
Convey ore.1#~2#Heavy plate feeder, 3#~4#Heavy plate feeder, 5#~6#Heavy plate feeder, 7#~8#Weight
Apron feeder, 9#~10#Heavy plate feeder, 11#~12#Heavy plate feeder successively from the corner of ore pile to
Centre, is then arrived again to corner.It is believed that 1#~2#Heavy plate feeder, 11#~12#Heavy plate feeder is corresponding
Ore grain size distribution is thicker, is big ore heavy plate feeder；3#~4#Heavy plate feeder, 9#~10#Heavy-duty plate is given
The corresponding ore grain size distribution of ore deposit machine is medium, is middle ore heavy plate feeder；7#~8#Heavy plate feeder, 9#~
10#The corresponding ore grain size distribution of heavy plate feeder is thinner, is small ore heavy plate feeder.
Under normal circumstances, the same time opens six heavy plate feeders, in addition six spare, heavy-duty plates of work
Rock feeder is all paired setting, and consistent to ore deposit frequency, can so prevent from causing belt since left and right is uneven to ore deposit
Sideslip, such as first opens 1 in first period#~6#Heavy plate feeder, 7#~12#Heavy plate feeder is spare, under
One period opens 7#~12#Heavy plate feeder, 1#~6#Heavy plate feeder is spare.
Ore is given on feeding belt 2 by heavy plate feeder 1, and measures actual mine-supplying quantity by belt conveyer scale 3.Ore
Semi-autogenous mill 5 is delivered into by feeding belt 2 again, the feeding end of semi-autogenous mill 5 is provided with Semi-Autogenous priming valve door 4, actual
Confluent is measured by Semi-Autogenous priming valve door flowmeter 40, and water and ore enter semi-autogenous mill 5, have steel ball in semi-autogenous mill 5, is led to
The rotation of semi-autogenous mill 5 is crossed by ore reduction, is discharged from the exhaust end of semi-autogenous mill 5；
The exhaust end of semi-autogenous mill 5 is provided with Semi-Autogenous flushing water valve 6, and actual confluent is by Semi-Autogenous flushing water valve
Flowmeter 60 measures；First time classification is carried out from the ore pulp that the exhaust end of semi-autogenous mill 5 is discharged by straight line shaker 7, on straight line shaker 7
Also there is flushing water, thick particle falls into No. four belts on compass screen surface by vibration, then returns to feeding belt 2 by No. six belts
(not shown), it is broken to be again introduced into semi-autogenous mill 5；
The undersize of straight line shaker 7, into Pulp pump pond 8, the actual liquid level in Pulp pump pond 8 is by Pulp pump pit level meter 80
Measure, cyclone 10 is transported to by Pulp pump 9, carry out second and be classified；By the feed ore concentration, the pressure that adjust cyclone 10
Technological parameter, the cyclones 10 such as power, flow, work number, excess flow overflow qualified grade into floatation system,
Coarse granule enters ball mill 11 from the desilting mouth of cyclone 10, regrinding, is discharged afterwards from the exhaust end of ball mill 11.Ball milling
The exhaust end of machine 11 is provided with flushing water, and by controlling ball milling flushing water valve 12 to control confluent, actual confluent is by ball milling
Flushing water valve flowmeter 120 measures, and the ore pulp of ball milling discharge enters Pulp pump pond 8, is then again introduced into cyclone 10 and is classified.
The arrival end of cyclone 10 is provided with cyclone feed ore concentration detector 100, and cyclone is provided with cyclone 10
Pressure gauge 103.
10 overflow of cyclone, which enters on the pipeline of floatation system, a cyclone excess flow meter 101, detects cyclone
Excess flow；In addition a particle size analyzer (cyclone overflow granularity instrument) 102 is used to detect cyclone overflow granularity and eddy flow
Device effluent concentration, and the important reference that cyclone overflow granularity and cyclone effluent concentration are adjusted as ore grinding.
Fig. 2 is the schematic diagram of ore grinding ore grain size control system of the present invention；Its concrete composition and control planning are：
Human and machine interface unit, inputs the setup parameter on ore grinding ore grain size wherein, and the setup parameter includes：Greatly
The frequency parameter of ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate feeder；Send
In the ore for entering semi-autogenous mill, the area ratio scope ginseng shared by the area ratio range parameter and small ore shared by big ore
Number；And it is sent into the ore total amount parameter of semi-autogenous mill；
Detection unit, is configured to detect the actual parameter on ore grinding ore grain size, the actual parameter includes：It is sent into
In the ore of semi-autogenous mill, the real area ratio shared by real area ratio and small ore shared by big ore, and be sent into
The actual total amount of ore of semi-autogenous mill；
Central data processing unit, is configured to the actual parameter and the setup parameter directly carrying out intellectual analysis
Judge, and according to analysis and judging result, improve or reduce big ore heavy plate feeder, middle ore heavy plate feeder
And the frequency parameter of small ore heavy plate feeder；
Execution unit, according to the frequency parameter after adjustment, be correspondingly improved or reduce big ore heavy plate feeder, in
The working frequency of ore heavy plate feeder and small ore heavy plate feeder, in the ore for making feeding semi-autogenous mill,
Real area ratio shared by big ore and the real area ratio shared by small the ore face shared by the big ore in setting respectively
In area ratio range parameter shared by product proportion parameter and small ore, and make the actual total amount of ore of feeding semi-autogenous mill
Approach the ore total amount parameter of the feeding semi-autogenous mill of setting.
By taking the present invention as an example, ore grain size analyzer measurement data simultaneously gathers image, and ore grain size image analysis system is accurate
Analysis really is quickly finished, the particle size distribution characteristic to yield ores.Ore is divided into three classes with block footpath：Small 0~50mm of ore, in
Ore 50mm~100mm, big ore 100mm~200mm, more than super large ore 200mm.Since the content of super large ore is few,
Do not detect herein, be also not involved in controlling.
The reasonable area ratio section for setting big ore in interface operation unit first is 280 ‰~350 ‰, small ore
Reasonable area ratio section be 200 ‰~260 ‰；The ore total amount for being sent into semi-autogenous mill is 1800t/h；And set big ore
The working frequency of heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate feeder, such as 10Hz；
In addition, big ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate feeder are set
Frequency limits, are usually 5Hz~15Hz.
By taking the control of big ore heavy plate feeder as an example：When the big mineral content of ore grain size analyzer detection is less than
When 280 ‰, big mineral content is too small, then increases by 1 be currently running#~2#Heavy plate feeder or 11#~12#Heavy plate
The content of ore grain size is observed after the frequency 0.1Hz, 5min of formula rock feeder again, if big mineral content still is below 280 ‰,
Then continue to increase 0.1Hz, observed again after 5min, until big ore grain size content is more than or equal to 280 ‰ or frequency is brought up to
Maximum 15Hz.When detection big ore grain size content be more than 350 ‰, then reduce by 1#~2#Heavy plate feeder or 11#~
12#Heavy plate feeder frequency 0.1Hz, checks once per 5min clocks, 0.1Hz is reduced every time, until ore grain size is less than
350 ‰ or frequency be preferably minimized 5Hz.The low-limit frequency that big ore heavy plate feeder is set is 5Hz, when heavy-duty plate is given
When ore deposit machine given frequency is less than 5Hz, it is possible to card ore phenomenon occurs.
When the big ore grain size of detection is when between 280 ‰~350 ‰, then big ore heavy plate feeder keeps current
Frequency is constant.
The control adjustment 5 of small ore#~6#Or 7#~8#Heavy plate feeder frequency, control method and big ore weight plate
Control it is identical.
The proportional amount of big ore and small ore in rational distributed area, naturally also just closing by the ratio of intermediate ore
In the section of reason.When big ore and small ore improper because of ratio, big ore heavy plate feeder and small ore heavy plate
The frequency of formula rock feeder will adjust automatically, this will cause the ore deposit amount on feeding belt 2 to change, at this time, increaseds or decreases
The frequency of middle ore heavy plate feeder, makes the actual total amount of ore that 2 epithelium belt scale 3 of feeding belt detects approach the ore deposit of setting
Stone total amount parameter, to ensure that ore deposit amount is stablized.
When is the present invention is not used in Fig. 3, the ore grain size change for the feeding semi-autogenous mill that ore grain size analyzer measures is bent
Line；Fig. 4 is using the ore grain size change curve for being sent into semi-autogenous mill that after the present invention, ore grain size analyzer measures.Contrast
Using the ore grain size change curve before and after the present invention, before the present invention, ore grain size fluctuation is larger, and uses the present invention
Afterwards, big ore stabilization is 280 ‰~350 ‰, and small ore stabilization not only ensure that the stabilization of mine-supplying quantity 200 ‰~260 ‰, but also
It ensure that the optimal grain class distribution to ore deposit ore, the grinding efficiency of ore grinding semi-autogenous mill drastically increased, to cyclone overflow
Enriched fineness also has improvement.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. ore grinding ore grain size control system, it is characterised in that including：Human and machine interface unit, inputs the setup parameter on ore grinding ore grain size wherein, and the setup parameter includes：Big ore The frequency parameter of heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate feeder；It is sent into half In the ore of autogenous tumbling mill, the area ratio range parameter shared by area ratio range parameter and small ore shared by big ore；With And it is sent into the ore total amount parameter of semi-autogenous mill；Detection unit, is configured to detect the actual parameter on ore grinding ore grain size, the actual parameter includes：It is sent into half certainly In the ore of grinding machine, the real area ratio shared by real area ratio and small ore shared by big ore, and it is sent into half certainly The actual total amount of ore of grinding machine；Central data processing unit, is configured to the actual parameter directly carrying out intellectual analysis with the setup parameter to sentence It is disconnected, and according to analysis and judging result, improve or reduce big ore heavy plate feeder, middle ore heavy plate feeder with And the frequency parameter of small ore heavy plate feeder；Execution unit, according to the frequency parameter after adjustment, is correspondingly improved or reduces big ore heavy plate feeder, middle ore The working frequency of heavy plate feeder and small ore heavy plate feeder, in the ore for making feeding semi-autogenous mill, big ore deposit The real area ratio shared by real area ratio and small ore shared by the stone area ratio shared by the big ore in setting respectively In area ratio range parameter shared by example range parameter and small ore, and stablize the actual total amount of ore of feeding semi-autogenous mill In the ore total amount parameter of the feeding semi-autogenous mill of setting.
- 2. ore grinding ore grain size control system according to claim 1, it is characterised in that the detection unit detection is sent into Real area ratio shared by big ore and the real area ratio shared by small ore in the ore of semi-autogenous mill, by central data Processing unit joins the area ratio range parameter shared by its big ore with setting and the area ratio scope shared by small ore Number compares, and when such as the real area ratio of big ore is less than the lower limit of the area ratio scope of setting, is then correspondingly improved The frequency of big ore heavy plate feeder；Real area ratio such as big ore is higher than the upper limit of the area ratio scope of setting During value, then the frequency of big ore heavy plate feeder is reduced accordingly；Such as the real area ratio of small ore less than setting During the lower limit of area ratio scope, then the frequency of small ore heavy plate feeder is correspondingly improved；Such as the reality of small ore When area ratio is higher than the upper limit value of the area ratio scope of setting, then the frequency of small ore heavy plate feeder is reduced accordingly Rate, until the real area ratio stabilization of big ore or small ore is in the range of the area ratio of setting；Examined during the real area ratio of big ore or small ore is adjusted, while according to the mine-supplying quantity and belt conveyer scale of setting The deviation of the ore deposit amount of survey, by the frequency of ore heavy plate feeder in PID adjust automaticallies, makes the ore of feeding semi-autogenous mill Ore total amount parameter of the actual total amount stabilization in the feeding semi-autogenous mill of setting.
- 3. ore grinding ore grain size control system according to claim 2, it is characterised in that the setup parameter further includes greatly The frequency parameter of ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate feeder it is upper Limit value and lower limit.
- 4. ore grinding ore grain size control system according to claim 2, it is characterised in that the block footpath of the big ore is 100mm~200mm, the block footpath of the middle ore is 50mm~100mm, and the block footpath of the small ore is 0~50mm.
- 5. ore grinding ore grain size control system according to claim 2, it is characterised in that the ore is by gyratory crusher It is broken, big ore, middle ore and small ore are obtained, and ore pile is fallen under sending out；Acted on according to the segregation of ore, small ore position In the center of ore pile, big ore is located at the both sides of the edge of ore pile, and two regions between small ore and big ore are chats Stone.
- 6. ore grinding ore grain size control system according to claim 4, it is characterised in that the big ore heavy-duty plate is given Ore deposit machine, middle ore heavy plate feeder and small ore heavy plate feeder respectively have two groups, are arranged at the lower section of ore pile, Respectively with big ore, middle ore, small ore position correspondence；Every group of heavy plate feeder has two, is symmetrically arranged in and send Expect the both sides of belt.
- 7. ore grinding ore grain size control system according to claim 2, it is characterised in that the execution unit is using substep The mode of adjustment, to big ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy-duty plate to ore deposit The frequency parameter of machine carries out intermittent unique step and adjusts.
- A kind of 8. ore grinding ore grain size control method, it is characterised in that including：Default step：Setup parameter of the input on ore grinding ore grain size, the setup parameter include in human and machine interface unit： The frequency parameter of big ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate feeder； It is sent into the ore of semi-autogenous mill, the area ratio scope ginseng shared by the area ratio range parameter and small ore shared by big ore Number；And it is sent into the ore total amount parameter of semi-autogenous mill；Detecting step：The actual parameter on ore grinding ore grain size is detected using detection unit, the actual parameter includes：It is sent into In the ore of semi-autogenous mill, the real area ratio shared by real area ratio and small ore shared by big ore, and be sent into The actual total amount of ore of semi-autogenous mill；Processing step：The actual parameter that the detection unit is detected and the institute inputted by the interface operation unit State setup parameter and be transferred to central data processing unit, intellectual analysis judgement is carried out by the central data processing unit；AndOre grinding ore grain size rate-determining steps：According to the analysis judging result of the central processing unit, controlled by execution unit Improve or reduce big ore heavy plate feeder, middle ore heavy plate feeder and small ore heavy plate feeder Actual operating frequency, in the ore for making feeding semi-autogenous mill, the reality shared by real area ratio and small ore shared by big ore Border area ratio the area ratio range parameter shared by the big ore in setting and the area ratio scope shared by small ore respectively In parameter, and make the actual total amount stabilization of ore of feeding semi-autogenous mill in the ore total amount parameter for being sent into semi-autogenous mill of setting.
- 9. ore grinding ore grain size control method according to claim 8, it is characterised in that the ore grinding ore grain size control Step is：The detection unit detection is sent into shared by real area ratio and small ore in the ore of semi-autogenous mill shared by big ore Real area ratio, area ratio range parameter as shared by central data processing unit by its big ore with setting and small Area ratio range parameter shared by ore carries out analysis judgement, such as area ratio of the real area ratio of big ore less than setting During the lower limit of example scope, then the frequency of big ore heavy plate feeder is correspondingly improved；Such as the real area ratio of big ore When example is higher than the upper limit value of the area ratio scope of setting, then the frequency of big ore heavy plate feeder is reduced accordingly；Such as When the real area ratio of small ore is less than the lower limit of the area ratio scope of setting, then small ore heavy plate is correspondingly improved The frequency of formula rock feeder；During the upper limit value for the area ratio scope that the real area ratio such as small ore is higher than setting, then accordingly The small ore heavy plate feeder of reduction frequency, until the real area ratio stabilization of big ore or small ore is in setting In the range of area ratio；Examined during the real area ratio of big ore or small ore is adjusted, while according to the mine-supplying quantity and belt conveyer scale of setting The deviation of the ore deposit amount of survey, by the frequency of ore heavy plate feeder in PID adjust automaticallies, makes the ore of feeding semi-autogenous mill Actual total amount persistently approaches the ore total amount parameter of the feeding semi-autogenous mill of setting.
- 10. ore grinding ore grain size control method according to claim 9, it is characterised in that the ore grinding ore grain size control In step processed, central data processing unit is heavy to big ore heavy plate feeder, middle ore by the way of substep adjusts The frequency parameter of plate belt feeder and small ore heavy plate feeder carries out intermittent unique step and adjusts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489535.4A CN105057079B (en) | 2015-08-10 | 2015-08-10 | Ore grinding ore grain size control system and control method |
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| CN105478220A (en) * | 2016-01-19 | 2016-04-13 | 中国黄金集团内蒙古矿业有限公司 | Ore crushing system and control method of crusher |
| CN107051700B (en) * | 2016-10-20 | 2019-04-23 | 丹东东方测控技术股份有限公司 | A method of it is acted on using segregation and improves semi-autogenous mill grinding efficiency |
| CN108745605B (en) * | 2018-06-26 | 2020-11-03 | 湖南泰通能源管理股份有限公司 | Intelligent grinding system control method |
| CN111266177B (en) * | 2020-02-24 | 2022-03-22 | 新乡市中誉鼎力软件科技股份有限公司 | Visual identification-based broken stone transmission control system and method for mine exploitation |
| CN111266178B (en) * | 2020-02-24 | 2022-03-22 | 新乡市中誉鼎力软件科技股份有限公司 | Radar detection-based broken stone transmission control system and method for mine exploitation |
| CN112317110A (en) * | 2020-09-27 | 2021-02-05 | 鞍钢集团矿业有限公司 | Ore grinding granularity prediction system and method based on deep learning |
| CN112892794B (en) * | 2021-01-15 | 2022-07-01 | 清华大学 | Intelligent sand making real-time adjusting system and method in tunnel |
| CN112892823B (en) * | 2021-01-15 | 2022-04-15 | 清华大学 | Sand making control method and system based on artificial intelligence algorithm |
| CN115400866B (en) * | 2022-08-22 | 2023-08-04 | 安徽铜冠（庐江）矿业有限公司 | Ore grinding control method, device, equipment and medium based on ore block characteristics |
| CN116328916B (en) * | 2023-03-29 | 2023-12-05 | 中才邦业(杭州)智能技术有限公司 | Open-circuit cement mill control method and system based on online particle size monitor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1148358A (en) * | 1967-01-11 | 1969-04-10 | Polysius Gmbh | Method for controlling screening and grinding plants |
| CN103272681A (en) * | 2013-06-13 | 2013-09-04 | 鞍钢集团矿业公司 | Automatic control method for mineral feeding quantity of ball mill |
| CN103433098A (en) * | 2013-08-20 | 2013-12-11 | 太原钢铁(集团)有限公司 | Method for improving ore grinding efficiency of ball grinder |
| CN104525353A (en) * | 2014-12-02 | 2015-04-22 | 中国黄金集团内蒙古矿业有限公司 | System for controlling grinding density and fineness as well as method for controlling grinding density and fineness |
| CN104607301A (en) * | 2014-12-24 | 2015-05-13 | 昆明理工大学 | Method for determining best grinding feed size |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH074550B2 (en) * | 1990-05-10 | 1995-01-25 | 宇部興産株式会社 | Vibration level control method for vertical crusher |
-
2015
- 2015-08-10 CN CN201510489535.4A patent/CN105057079B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1148358A (en) * | 1967-01-11 | 1969-04-10 | Polysius Gmbh | Method for controlling screening and grinding plants |
| CN103272681A (en) * | 2013-06-13 | 2013-09-04 | 鞍钢集团矿业公司 | Automatic control method for mineral feeding quantity of ball mill |
| CN103433098A (en) * | 2013-08-20 | 2013-12-11 | 太原钢铁(集团)有限公司 | Method for improving ore grinding efficiency of ball grinder |
| CN104525353A (en) * | 2014-12-02 | 2015-04-22 | 中国黄金集团内蒙古矿业有限公司 | System for controlling grinding density and fineness as well as method for controlling grinding density and fineness |
| CN104607301A (en) * | 2014-12-24 | 2015-05-13 | 昆明理工大学 | Method for determining best grinding feed size |
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