CN108855631A - A kind of flotation device yield control device based on froth images analyzer - Google Patents
A kind of flotation device yield control device based on froth images analyzer Download PDFInfo
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- CN108855631A CN108855631A CN201810638106.2A CN201810638106A CN108855631A CN 108855631 A CN108855631 A CN 108855631A CN 201810638106 A CN201810638106 A CN 201810638106A CN 108855631 A CN108855631 A CN 108855631A
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- flotation device
- foam
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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
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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
- B03D1/02—Froth-flotation processes
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Abstract
The invention discloses a kind of flotation device yield control device based on froth images analyzer, including man-machine interface, detection device, intelligent controller and executing agency, man-machine interface are used to input the setup parameter about flotation device yield；Detection device is used to detect the actual parameter of flotation device operating status；Intelligent controller according to the actual parameter that the parameter that the man-machine interface is set detects the detection device for comparing and analyzing, automatically process the abnormal conditions for emitting slot, to ensure that flotation device surfactant foam movement speed meets setting, and it is maintained at flotation device depth of foam within upper and lower limits；Executing agency is used to execute the result action that the intelligent controller is assigned according to the analysis result of the intelligent controller, realizes that corresponding adjust controls.The device can directly set flotation device surfactant foam movement speed, more preferable with the flotation device yield linearity, and reaction speed faster, greatly reduces flotation work operating frequency.
Description
Technical field
The present invention relates to applicable industry automatic control technology field more particularly to a kind of floating based on froth images analyzer
Select machine yield control device.
Background technique
Flotation flowsheet is one of important link of mineral processing production, and the stability of flotation flowsheet directly affects flotation production and refers to
The economic indicator of mark and entire dressing plant, therefore realize that the Stabilization Control of flotation flowsheet is abnormal important and significant work
Make, and the Stabilization Control of flotation flowsheet is a problem in flotation production.The common side of flotation device control in the prior art
Formula is by two single loops, then the first stable flotation device aeration quantity in first circuit adjusts flotation by second circuit again
Machine foam actual (real) thickness, in control program two circuits be it is completely separable do not have an impact directly, but in actual production, two
The result of the action in a circuit can influence each other, and the work of this part is weighed and adjusted by flotation work.Above-mentioned flotation device
There are the following problems for control mode：
Although flotation device foam actual (real) thickness has certain correlation with flotation device yield, linear with flotation device yield
Spend it is not ideal enough, with the variation of ore properties to keep flotation device overflow stablize, need constantly to adjust flotation device depth of foam
Setting, find that such variation may repeatedly occur in minutes by observation and comparing；In reflection flotation device
The sensitivity and precision aspect of state change, floating ball measurement flotation device foam actual (real) thickness are obviously not so good as the survey of froth images analyzer
Measure flotation device surfactant foam movement speed；By data analysis and the communication repeatedly with flotation work, the group of existing method is found
The mode of thinking for knitting mode and people has difference, and the only flotation device surfactant foam that flotation work can observe directly flows out situation,
This is also the main foundation that flotation work adjusts the setting of flotation device depth of foam with the setting of flotation device aeration quantity, but this process needs
Flotation work rule of thumb being converted to the setting of corresponding depth of foam and the setting of flotation device aeration quantity the phenomenon that seeing, therefore
When floating ball exception or failure, flotation work still can carry out similar conversion, i.e., it will be observed that the phenomenon that be converted to adjustment flotation
Machine cone valve aperture and flotation device aeration quantity setting value.
Summary of the invention
The object of the present invention is to provide a kind of flotation device yield control device based on froth images analyzer, the device energy
Enough directly to set flotation device surfactant foam movement speed, more preferable with the flotation device yield linearity, reaction speed faster, greatly reduces
Flotation work operating frequency.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of flotation device yield control device based on froth images analyzer, described device include man-machine interface, detection
Device, intelligent controller and executing agency, wherein：
The man-machine interface is used to input the setup parameter about flotation device yield；The setup parameter specifically includes：Flotation
Machine sets the optimization upper limit, flotation device to air quantity to air quantity setting value, flotation device and sets optimization lower limit, flotation device surface bubble to air quantity
Foam movement speed set interval, the chain upper limit of flotation device cone valve, the chain lower limit of flotation device cone valve, the flotation device depth of foam upper limit are set
Lower limit protection is set under lower limit set, flotation device depth of foam under fixed, flotation device depth of foam lower limit set, flotation device depth of foam
It is fixed；
The detection device is used to detect the actual parameter of flotation device operating status；The actual parameter specifically includes：Flotation
Machine is practical to give air quantity, the practical movement speed of flotation device surfactant foam, flotation device foam actual (real) thickness；
The intelligent controller is used for the reality detected according to the parameter that the man-machine interface is set to the detection device
Parameter compares and analyzes, and automatically processes the abnormal conditions for emitting slot, to ensure that flotation device surfactant foam movement speed meets setting,
And it is maintained at flotation device depth of foam within upper and lower limits；
Wherein, the intelligent controller includes four exception handling logics, respectively：Depth of foam exception handling logic,
The chain exception handling logic of cone valve bound, image abnormity handle logic, floating ball lever meter exception handling logic；And two masters
Control logic, respectively：Foam speed-cone valve list closed loop main logic, depth of foam-aeration quantity-charging valve two close cycles master
Logic；
The executing agency specifically includes flotation device cone valve and aeration quantity control valve, for according to the intelligent controller
Analysis result execute the result action that the intelligent controller is assigned, realize and corresponding adjust control.
As seen from the above technical solution provided by the invention, above-mentioned apparatus can directly set flotation device surfactant foam
Movement speed, it is more preferable with the flotation device yield linearity, reaction speed faster, thus solve because ore properties variation etc. factors draw
The problem of yield variation risen needs manual modification to set, greatly reduces flotation work operating frequency.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the flotation device yield control device structural representation provided in an embodiment of the present invention based on froth images analyzer
Figure；
Fig. 2 is bent using the flotation device surfactant foam movement speed variation in 4 hours before and after described device of the embodiment of the present invention
Line schematic diagram；
Fig. 3 is the device schematic layout pattern of example of the embodiment of the present invention；
Fig. 4 is another device schematic layout pattern of example of the embodiment of the present invention.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing, is implemented as shown in Figure 1 for the present invention
The flotation device yield controling device structure diagram based on froth images analyzer that example provides, described device mainly includes man-machine
Interface, detection device, intelligent controller and executing agency, wherein：
The man-machine interface is used to input the setup parameter about flotation device yield；The setup parameter specifically includes：Flotation
Machine sets the optimization upper limit, flotation device to air quantity to air quantity setting value, flotation device and sets optimization lower limit, flotation device surface bubble to air quantity
Foam movement speed set interval, the chain upper limit of flotation device cone valve, the chain lower limit of flotation device cone valve, the flotation device depth of foam upper limit are set
Lower limit protection is set under lower limit set, flotation device depth of foam under fixed, flotation device depth of foam lower limit set, flotation device depth of foam
It is fixed；
The detection device is used to detect the actual parameter of flotation device operating status；The actual parameter specifically includes：Flotation
Machine is practical to give air quantity, the practical movement speed of flotation device surfactant foam, flotation device foam actual (real) thickness；And the actual parameter is minimum
Update cycle is respectively less than 1 second, to meet the needs of real-time control；
The intelligent controller is used for the reality detected according to the parameter that the man-machine interface is set to the detection device
Parameter compares and analyzes, and automatically processes the abnormal conditions for emitting slot, to ensure that flotation device surfactant foam movement speed meets setting,
And it is maintained at flotation device depth of foam within upper and lower limits；
The executing agency specifically includes flotation device cone valve and aeration quantity control valve, for according to the intelligent controller
Analysis result execute the result action that the intelligent controller is assigned, realize and corresponding adjust control.
In the specific implementation, above-mentioned intelligent controller may include four exception handling logics, respectively：Depth of foam is abnormal
It handles logic, the chain exception handling logic of cone valve bound, image abnormity and handles logic, floating ball lever meter exception handling logic；
And two main control logics, respectively：Foam speed-cone valve list closed loop main logic, depth of foam-inflation
Amount-charging valve two close cycles main logic.
Further, the foam speed-cone valve list closed loop main logic process is specially：
When the intelligent controller judges the practical movement speed of flotation device surfactant foam and the mobile speed of flotation device surfactant foam
It spends between set interval there are when deviation, the flotation device cone valve that the intelligent controller controls the executing agency is operated,
By valve opening or valve is closed, to decrease or increase flotation device foam spillway discharge, so that it is practical that flotation device surfactant foam is reduced or increased
Movement speed；
Depth of foam-the aeration quantity-charging valve two close cycles main logic further comprises depth of foam-aeration quantity
Closed loop in outer closed loop and aeration quantity-charging valve, wherein：
The treatment process of closed loop is outside the depth of foam-aeration quantity：
When the intelligent controller judges that flotation device foam actual (real) thickness is set more than or equal to the flotation device depth of foam upper limit
When, the relativeness that the intelligent controller is set according to flotation device foam actual (real) thickness and the flotation device depth of foam upper limit,
Flotation device sets reduction flotation device in optimization lower range to air quantity and gives air quantity setting value, to realize that reduction flotation device foam is practical
The effect of thickness；
When the intelligent controller judges that flotation device foam actual (real) thickness is less than or equal to flotation device depth of foam lower limit set
When, the intelligent controller according to the relativeness of flotation device foam actual (real) thickness and flotation device depth of foam lower limit set,
Flotation device sets increase flotation device in optimization upper range to air quantity and gives air quantity setting value, to realize that increase flotation device foam is practical
The effect of thickness；
It is and small when the intelligent controller judges that flotation device foam actual (real) thickness is greater than flotation device depth of foam lower limit set
When the setting of the flotation device depth of foam upper limit, the intelligent controller keeps flotation device constant to air quantity setting value；
The treatment process of closed loop is in the aeration quantity-charging valve：
The intelligent controller automatically adjusts the aeration quantity tune in the executing agency according to flotation device to air quantity setting value
Valve is saved, so that flotation device reality is reached flotation device to air quantity and gives air quantity setting value, keep flotation device foam actual (real) thickness in flotation
Between machine depth of foam lower limit set to the flotation device depth of foam upper limit is set.
In addition, the treatment process of the depth of foam exception handling logic is：
When the intelligent controller judges that flotation device foam actual (real) thickness is less than or equal to lower limit under flotation device depth of foam and sets
Periodically, the intelligent controller bores the flotation device in the executing agency according to lower limit protection setting under flotation device depth of foam
Valve is adjusted, and temporarily reduces overflow, emits slot to avoid flotation device；When flotation device depth of foam is stable and reaches set interval
Afterwards, flotation device overflow is made to be restored to setting value again；Occurs flotation device foam actual (real) thickness when if restoring again less than flotation
Under machine depth of foam the case where lower limit set, then repeatedly above procedure, reach should flotation device foam overflow, avoid emitting slot again
The target of ore pulp outflow.
The chain exception handling logic of cone valve bound specifically includes the practical movement speed of flotation device surfactant foam, flotation
The two close cycles circuit that machine is constituted to air quantity setting value and charging valve three, concrete processing procedure are：
When the intelligent controller judges that flotation device cone valve aperture is more than the chain upper limit of flotation device cone valve, the intelligence control
Device processed is according to the relativeness of the practical movement speed of flotation device surfactant foam and flotation device surfactant foam movement speed set interval
Optimize flotation device to set to air quantity；Wherein, if the practical movement speed of flotation device surfactant foam is moved less than flotation device surfactant foam
Dynamic speed set interval, then the intelligent controller, which is set in optimization upper range in flotation device to air quantity, increases flotation device to wind
Measure setting value；If the practical movement speed of flotation device surfactant foam is greater than flotation device surfactant foam movement speed set interval,
The intelligent controller sets reduction flotation device in optimization lower range to air quantity in flotation device and gives air quantity setting value；It is floating to make up
The phenomenon of machine cone valve control ability deficiency is selected, assists stablizing the practical movement speed of flotation device surfactant foam：
When the intelligent controller judges that flotation device cone valve aperture is more than the chain lower limit of flotation device cone valve, the intelligence control
Device processed according to the practical movement speed of flotation device surfactant foam and flotation device surfactant foam movement speed set interval relativeness from
Dynamic optimization flotation device is set to air quantity；Wherein, if the practical movement speed of flotation device surfactant foam is steeped less than flotation device surface
Foam movement speed set interval, then the intelligent controller, which is set in optimization upper range in flotation device to air quantity, increases flotation device
Give air quantity setting value；If the practical movement speed of flotation device surfactant foam, which is greater than flotation device surfactant foam movement speed, sets area
Between, then the intelligent controller sets reduction flotation device in optimization lower range to air quantity in flotation device and gives air quantity setting value；From
And in flotation device cone valve regulating power deficiency, auxiliary adjustment, to stablize the practical movement speed of flotation device surfactant foam；
In the specific implementation, the intelligent controller automatically adjusts in the executing agency according to flotation device to air quantity setting value
Aeration quantity control valve, so that flotation device is actually reached flotation device to air quantity and is given air quantity setting value, thus in flotation device cone valve tune
When saving scarce capacity, auxiliary adjustment, to stablize the practical movement speed of flotation device surfactant foam.
The treatment process of described image exception handling logic is：
When the intelligent controller detects that the detection of froth images analyzer occurs abnormal, traditional float is automatically switched to
The machine depth of foam of choosing adds the control mode of inflation, wherein：
The intelligent controller automatically adjusts the aeration quantity tune in the executing agency according to flotation device to air quantity setting value
Valve is saved, making flotation device, actually reaching flotation device to air quantity gives air quantity setting value；It is held described in the intelligent controller automatic adjustment
Flotation device cone valve in row mechanism, state when flotation device foam actual (real) thickness being made to be maintained at froth images analyzer failure；
Here, state when image abnormity processing logic purpose is to maintain froth images analyzer failure is constant, and alarms
Prompt, steady excessive to realize, after to be repaired, the intelligent controller is run according to normal logic.
The treatment process of the floating ball lever meter exception handling logic is：
When the intelligent controller detects floating ball lever meter exception, the intelligent controller executes the foam speed
Degree-cone valve list closed loop main logic and depth of foam-aeration quantity-charging valve two close cycles main logic；
After to be repaired, the intelligent controller is run according to normal logic.
In the specific implementation, gas ducting need to be arranged in each groove body of flotation device, and install on gas ducting flowmeter and
Boiler pressure control valve, and froth images analyzer is installed on flotation device, and floating ball lever meter measurement is installed on flotation device
Flotation device foam actual (real) thickness.
In the specific implementation, the process flow of above-mentioned apparatus is specially：
Parameter and acquisition data are set first in man-machine interface, are wherein inputting the setting ginseng about flotation device yield
Number, the setting include：Flotation device sets the optimization upper limit, flotation device to air quantity and sets to air quantity to air quantity setting value, flotation device
Under optimization lower limit, flotation device surfactant foam movement speed set interval, the chain upper limit of flotation device cone valve, flotation device cone valve are chain
It is lower limit set under limit, the setting of the flotation device depth of foam upper limit, flotation device depth of foam lower limit set, flotation device depth of foam, floating
Select lower limit protection setting under machine depth of foam；
Then using the actual parameter of detection device acquisition flotation device operating status, the actual parameter includes：Flotation device
It is practical to give air quantity, the practical movement speed of flotation device surfactant foam, flotation device foam actual (real) thickness；
Preferentially judge whether equipment state is normal by intelligent controller again, secondly judges system mode, and tie according to judgement
Fruit executes following operation：
When froth images analyzer is normal, and flotation device foam actual (real) thickness is greater than lower limit set under flotation device depth of foam
When, selection operation foam speed --- cone valve list closed loop main logic；
When flotation device cone valve aperture does not trigger chain, selection operation depth of foam --- aeration quantity --- charging valve is double
Closed loop main logic；
When flotation device foam actual (real) thickness is less than or equal to lower limit set under flotation device depth of foam, selection operation foam is thick
Spend exception handling logic；
When the triggering of flotation device cone valve aperture is chain, the selection operation chain exception handling logic of cone valve bound；
When froth images analyzer exception, operation image exception handling logic is selected；
When floating ball lever meter exception, selection operation floating ball lever meter exception handling logic.
It is illustrated in figure 2 using flotation device surfactant foam movement speed 4 hours before and after described device of the embodiment of the present invention
Change curve schematic diagram, it can be seen that：2 hours before using apparatus of the present invention, flotation device surfactant foam movement speed rose and fell
Larger, yield is very unstable；Using 2 hours after apparatus of the present invention, flotation device surfactant foam movement speed was controlled in one
In lesser regional scope, to keep flotation device yield stable controllable, wherein flotation device surfactant foam movement speed unit is mm/
s。
It is described in detail below with realization process of the specific example to above-mentioned apparatus：
Example 1, the device schematic layout pattern for being illustrated in figure 3 example of the embodiment of the present invention, the man-machine interface with
The intelligent controller is integrated on one computer；The intelligent controller passes through in Modbus TCP and the detection device
Froth images analyzer be connected, acquisition froth images analyzer analyze result.The intelligent controller passes through OPC and DCS system
System is connected, and DCS system is connected by Profibus DP with local operation case, and local operation case is filled by cable and the detection
The practical flowmeter for giving air quantity of detection flotation device in setting, and the floating ball lever meter phase of detection flotation device foam actual (real) thickness
Even, while local operation case is connected by cable with the executing agency.
DCS system described above and the local operation case are the intelligent controller and the detection device and described
The connected intermediary of executing agency.
Example 2, another device schematic layout pattern for being illustrated in figure 4 example of the embodiment of the present invention, the man-machine boundary
Face and the intelligent controller are integrated on one computer；The intelligent controller is filled by Modbus TCP and the detection
Froth images analyzer in setting is connected, and acquisition froth images analyzer analyzes result.The intelligent controller by OPC with
DCS system is connected, and DCS system is connected by Profibus DP with local operation case, and local operation case passes through cable and the inspection
Survey the practical flowmeter for giving air quantity of detection flotation device in device, and the floating ball lever meter of detection flotation device foam actual (real) thickness
It is connected, while local operation case is connected by cable with the executing agency.DCS system described above and the local operation case
It is the intermediary that the intelligent controller is connected with the detection device and the executing agency.
The example 2 and the difference of example 1 are：
1. the embodiment 2 is double flute flotation device, the embodiment 1 is single-trough flotating machine；
2. froth images analyzer should be mounted on the maximum groove body of spillway discharge in the embodiment 2；
3. there are two the aeration quantity --- closed loops in charging valve in the embodiment 2, specifically should be according to two
Groove body flooded conditions judgement, install froth images analyzer groove body the aeration quantity --- closed loop is pressed in charging valve
Run according to the mode of the embodiment 1, the aeration quantity of the body of froth images analyzer be not installed --- it is closed in charging valve
Loop back path or identical mode are run, this situation is the embodiment 1；Or isolated operation is not adjusted, this situation is real
Example 1 plus aeration quantity --- charging valve list closed loop are applied, is that any changes or substitutions that can be easily thought of by the present invention.
It is worth noting that, the content being not described in detail in the embodiment of the present invention belongs to professional and technical personnel in the field's public affairs
The prior art known.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (3)
1. a kind of flotation device yield control device based on froth images analyzer, which is characterized in that described device includes man-machine
Interface, detection device, intelligent controller and executing agency, wherein：
The man-machine interface is used to input the setup parameter about flotation device yield；The setup parameter specifically includes：Flotation device is given
Air quantity setting value, flotation device set the optimization upper limit, flotation device to air quantity and set optimization lower limit, the shifting of flotation device surfactant foam to air quantity
Dynamic speed set interval, the chain upper limit of flotation device cone valve, the chain lower limit of flotation device cone valve, the setting of the flotation device depth of foam upper limit,
Lower limit protection setting under lower limit set, flotation device depth of foam under flotation device depth of foam lower limit set, flotation device depth of foam；
The detection device is used to detect the actual parameter of flotation device operating status；The actual parameter specifically includes：Flotation device is real
Border is to air quantity, the practical movement speed of flotation device surfactant foam, flotation device foam actual (real) thickness；
The intelligent controller is used for the actual parameter detected according to the parameter that the man-machine interface is set to the detection device
It compares and analyzes, automatically processes the abnormal conditions for emitting slot, to ensure that flotation device surfactant foam movement speed meets setting, and make
Flotation device depth of foam is maintained within upper and lower limits；
Wherein, the intelligent controller includes four exception handling logics, respectively：Depth of foam exception handling logic, cone valve
The chain exception handling logic of bound, image abnormity handle logic, floating ball lever meter exception handling logic；And two main controls
Logic, respectively：Foam speed-cone valve list closed loop main logic, depth of foam-aeration quantity-charging valve two close cycles master patrol
Volume；
The executing agency specifically includes flotation device cone valve and aeration quantity control valve, for point according to the intelligent controller
Analysis result executes the result action that the intelligent controller is assigned, and realizes that corresponding adjust controls.
2. the flotation device yield control device based on froth images analyzer according to claim 1, which is characterized in that
The foam speed-cone valve list closed loop main logic is specially：
When the intelligent controller judges that the practical movement speed of flotation device surfactant foam is set with flotation device surfactant foam movement speed
Determine there are when deviation between section, the flotation device cone valve that the intelligent controller controls the executing agency is operated, and is passed through
Valve opening closes valve, to decrease or increase flotation device foam spillway discharge, so that it is practical mobile that flotation device surfactant foam is reduced or increased
Speed；
Depth of foam-the aeration quantity-charging valve two close cycles main logic further comprises closing outside depth of foam-aeration quantity
Closed loop in loop back path and aeration quantity-charging valve, wherein：
The treatment process of closed loop is outside the depth of foam-aeration quantity：
When the intelligent controller judges that flotation device foam actual (real) thickness is more than or equal to the setting of the flotation device depth of foam upper limit, institute
Intelligent controller is stated according to the relativeness of flotation device foam actual (real) thickness and the setting of the flotation device depth of foam upper limit, in flotation device
Reduction flotation device in optimization lower range is set to air quantity and gives air quantity setting value, reduces flotation device foam actual (real) thickness to realize
Effect；
When the intelligent controller judges that flotation device foam actual (real) thickness is less than or equal to flotation device depth of foam lower limit set, institute
Intelligent controller is stated according to the relativeness of flotation device foam actual (real) thickness and flotation device depth of foam lower limit set, in flotation device
Increase flotation device in optimization upper range is set to air quantity and gives air quantity setting value, increases flotation device foam actual (real) thickness to realize
Effect；
When the intelligent controller judges that flotation device foam actual (real) thickness is greater than flotation device depth of foam lower limit set, and it is less than floating
When the machine depth of foam upper limit being selected to set, the intelligent controller keeps flotation device constant to air quantity setting value；
The treatment process of closed loop is in the aeration quantity-charging valve：
The intelligent controller automatically adjusts the inflation adjustable valve in the executing agency according to flotation device to air quantity setting value
Door makes flotation device reality reach flotation device to air quantity and gives air quantity setting value, flotation device foam actual (real) thickness is kept to steep in flotation device
Foam lower thickness limit is set between the setting of the flotation device depth of foam upper limit.
3. the flotation device yield control device based on froth images analyzer according to claim 1, which is characterized in that
The treatment process of the depth of foam exception handling logic is：
When the intelligent controller judges that flotation device foam actual (real) thickness is less than or equal to lower limit set under flotation device depth of foam,
The intelligent controller according under flotation device depth of foam lower limit protection setting to the flotation device cone valve in the executing agency into
Row is adjusted, and is temporarily reduced overflow, is emitted slot to avoid flotation device；After flotation device depth of foam is stable and reaches set interval, weight
Newly flotation device overflow is made to be restored to setting value；Occurs flotation device foam actual (real) thickness when if restoring again less than flotation device foam
Under thickness the case where lower limit set, then repeatedly above procedure；
The chain exception handling logic of cone valve bound specifically include the practical movement speed of flotation device surfactant foam, flotation device to
The two close cycles circuit that air quantity setting value and charging valve three are constituted, concrete processing procedure are：
When the intelligent controller judges that flotation device cone valve aperture is more than the chain upper limit of flotation device cone valve, the intelligent controller
Optimized according to the relativeness of the practical movement speed of flotation device surfactant foam and flotation device surfactant foam movement speed set interval
Flotation device is set to air quantity；Wherein, if the practical movement speed of flotation device surfactant foam is less than the mobile speed of flotation device surfactant foam
Set interval is spent, then the intelligent controller is set to increase flotation device in air quantity setting optimization upper range to air quantity in flotation device
Definite value；If the practical movement speed of flotation device surfactant foam is greater than flotation device surfactant foam movement speed set interval, described
Intelligent controller sets reduction flotation device in optimization lower range to air quantity in flotation device and gives air quantity setting value；
When the intelligent controller judges that flotation device cone valve aperture is more than the chain lower limit of flotation device cone valve, the intelligent controller
It is automatic according to the practical movement speed of flotation device surfactant foam and flotation device surfactant foam movement speed set interval relativeness
Optimize flotation device to set to air quantity；Wherein, if the practical movement speed of flotation device surfactant foam is moved less than flotation device surfactant foam
Dynamic speed set interval, then the intelligent controller, which is set in optimization upper range in flotation device to air quantity, increases flotation device to wind
Measure setting value；If the practical movement speed of flotation device surfactant foam is greater than flotation device surfactant foam movement speed set interval,
The intelligent controller sets reduction flotation device in optimization lower range to air quantity in flotation device and gives air quantity setting value；
The treatment process of described image exception handling logic is：
When the intelligent controller detects that the detection of froth images analyzer occurs abnormal, the intelligent controller is according to flotation
Machine automatically adjusts the aeration quantity control valve in the executing agency to air quantity setting value, makes flotation device is practical to reach floating to air quantity
Machine is selected to give air quantity setting value；The intelligent controller automatically adjusts the flotation device cone valve in the executing agency, steeps flotation device
Foam actual (real) thickness is maintained at state when froth images analyzer failure；
The treatment process of the floating ball lever meter exception handling logic is：
When the intelligent controller detects floating ball lever meter exception, the intelligent controller executes the foam speed-cone
Valve list closed loop main logic and depth of foam-aeration quantity-charging valve two close cycles main logic.
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