CN106861898B - The control method and device of separator - Google Patents
The control method and device of separator Download PDFInfo
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- CN106861898B CN106861898B CN201710103750.5A CN201710103750A CN106861898B CN 106861898 B CN106861898 B CN 106861898B CN 201710103750 A CN201710103750 A CN 201710103750A CN 106861898 B CN106861898 B CN 106861898B
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- bottom valve
- opening value
- separator
- target opening
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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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B13/00—Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using physical effects
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Abstract
The invention discloses a kind of control method and device of separator.Wherein, this method comprises: the operating parameter of the image information of the suspension in acquisition separator and separator；The target opening value range of the bottom valve of separator is obtained according to image information or operating parameter；It is mobile to control bottom valve, so that the opening value of bottom valve is within the scope of target opening value.The present invention solves the technical problem that separator in the prior art keeps the stable accuracy at ebullated bed and interface not high using manual adjustment bottom valve aperture.
Description
Technical field
The present invention relates to separation equipment fields, in particular to a kind of control method and device of separator.
Background technique
Admittedly Gu separation equipment is inverted cone shape transparent vessel.It is added continuously in upper feed inlet by comprising there are two types of solids
The suspension slurry of grain.Bottom is continuously injected into clear water by certain speed from water inlet, not due to two kinds of solid particles sediment speed
Together, under the conditions of certain rising water speed, the faster large granular materials of sinking speed are moved down, by bottom valve from bottom discharging
Outflow, the lesser particle of sinking speed move up, and finally flow out from overflow port, to realize solid separation.
Large granular materials are generally crystal, and small particles material is hydroxide.The size of sinking speed depends on particle
Size, shape and density, granularity is to influence the principal element of sinking speed herein.
When bottom valve standard-sized sheet, crystal sedimentation is very fast, and is easy to be discharged from bottom.The sedimentation of crystal belongs to interference sedimentation, pole
It easily forms stream stock and biggish back-mixing occurs.The concentration gradient of crystal and hydroxide in column is smaller, the crystalline substance of bottom discharge
Body has more hydroxide, and separative efficiency is extremely low.
When bottom valve aperture is gradually reduced, the discharge of crystal grain is obstructed, and can be gathered in the lower part of cylinder and be formed one
Concentrated phase region is further formed a Fludized boiling bed.Ebullated bed top is dilute-phase zone, and material contained by the region is mainly hydrogen
Oxide, and the crystal of more rapid decrease.The intersection of concentrated phase and dilute phase is interface.
When valve opening is a desired value, the height at interface is stable.Intensifying valve aperture, concentrated phase area crystalline density
Reduce, interface decline, the hydroxide taken away by crystal increases；Reduce valve opening, concentrated phase area crystalline density increases, on interface
It rises, the crystal taken away by hydroxide increases.Valve opening is excessive or too small, can all separative efficiency be made to decline.
Variation into the mineral slurry flux of Disengagement zone, the concentration of crystal, the size of crystal, lower part confluent can change boiling
Rise the stabilization at bed and interface.In order to maintain stabilization and the interfacial level of ebullated bed constant, in the prior art by manually constantly regulate
The aperture of bottom valve, thus guarantee the stabilization at ebullated bed and interface, however not only accuracy is not high and greatly increases for manual adjustment
Cost of labor.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of control method and device of separator, at least to solve in the prior art point
The technical problem for keeping the stable accuracy at ebullated bed and interface not high using manual adjustment bottom valve aperture from device.
According to an aspect of an embodiment of the present invention, a kind of control method of separator is provided, comprising: acquisition separator
In suspension image information and separator operating parameter；The bottom valve of separator is obtained according to image information or operating parameter
Target opening value range；It is mobile to control bottom valve, so that the opening value of bottom valve is within the scope of target opening value.
Further, the target opening value range that the bottom valve of separator is obtained according to image information or operating parameter includes:
The position of the separating interface of suspension is determined according to image information, wherein separating interface is concentrated phase and dilute phase in suspension
Interface；Determine the position of separating interface relative between preset target position direction and distance；In preset relation list
It searches with direction and apart from corresponding target opening value range.
Further, the position that the separating interface of suspension is determined according to image information includes: to extract in image information
Video image characteristic；Gray proces are carried out to video image characteristic, the video image characteristic that obtains that treated；According to the processing
Video image characteristic afterwards determines the position of separating interface.
Further, the target opening value range that the bottom valve of separator is obtained according to image information or operating parameter includes:
Operating parameter is calculated according to preset formula, obtains the target opening value of bottom valve, wherein preset formula is K=4Lsin (α/2)
[(Lsinα)/2+D]/D2, K is target opening value, and L is the moving distance of bottom valve, and α is the angle value and D of the cone angle of bottom valve
For the base diameter with the matched valve seat of bottom valve.
Further, control bottom valve is mobile, so that the opening value of bottom valve includes: acquisition mesh within the scope of target opening value
Mark the target opening value within the scope of opening value；Target opening value is converted to the rotational parameters of motor；It is driven by rotational parameters
Dynamic motor control bottom valve is mobile.
According to another aspect of an embodiment of the present invention, a kind of control device of separator is additionally provided, comprising: acquisition is single
Member, for acquiring the image information of the suspension in separator and the operating parameter of separator；Acquiring unit, for according to image
Information or operating parameter obtain the target opening value range of the bottom valve of separator；Control unit, it is mobile for controlling bottom valve, so that
The opening value of bottom valve is within the scope of target opening value.
Further, acquiring unit includes: the first determining subelement, for determining the separation of suspension according to image information
The position at interface, wherein separating interface is the interface of the concentrated phase and dilute phase in suspension；Second determines subelement, for true
Determine the position of separating interface relative between preset target position direction and distance；Subelement is searched, in preset relation
It searches in list with direction and apart from corresponding target opening value range.
Further, first determine that subelement includes: extraction module, for extracting the spy of the video image in image information
Sign；Processing module, for carrying out gray proces to video image characteristic, the video image characteristic that obtains that treated；Determining module,
For the position according to treated video image characteristic the determines separating interface.
Further, acquiring unit includes: computation subunit, for calculating operating parameter according to preset formula, is obtained on earth
The target opening value of valve, wherein preset formula is K=4Lsin (α/2) [(Lsin α)/2+D]/D2, K is target opening value, L
For the moving distance of bottom valve, α is the angle value of the cone angle of bottom valve and D is base diameter with the matched valve seat of bottom valve.
Further, control unit includes: acquisition subelement, for obtaining the target aperture within the scope of target opening value
Value；Conversion subunit, for target opening value to be converted to the rotational parameters of motor；Subelement is controlled, for passing through rotation ginseng
Number driving motor control bottom valve is mobile.
In embodiments of the present invention, joined by the image information of the suspension in acquisition separator and the operation of separator
Number；The target opening value range of the bottom valve of separator is obtained according to image information or operating parameter；It is mobile control bottom valve has been reached
So that purpose of the opening value of bottom valve within the scope of target opening value.It solves separator in the prior art to adjust using artificial
Save the technical problem that bottom valve aperture keeps the stable accuracy at ebullated bed and interface not high.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow diagram of the control method of optional separator according to an embodiment of the present invention；
Fig. 2 is the control of separator applied by a kind of control method of optional separator according to an embodiment of the present invention
Structural schematic diagram；
Fig. 3 is the flow diagram of the control method of another optional separator according to an embodiment of the present invention；
Fig. 4 is the flow diagram of the control method of the third optional separator according to an embodiment of the present invention；
Fig. 5 is the bottom valve of separator applied by a kind of control method of optional separator according to an embodiment of the present invention
And the operating structure schematic diagram of valve seat；
Fig. 6 is the flow diagram of the control method of 4th kind according to an embodiment of the present invention optional separator；
Fig. 7 is a kind of structural block diagram of the control device of optional separator according to an embodiment of the present invention；
Fig. 8 is a kind of structural frames of the acquiring unit of the control device of optional separator according to an embodiment of the present invention
Figure；
Fig. 9 is a kind of the first determination of the acquiring unit of the control device of optional separator according to an embodiment of the present invention
The structural block diagram of subelement；
Figure 10 is the structure of the acquiring unit of the control device of another optional separator according to an embodiment of the present invention
Block diagram；And
Figure 11 is a kind of structural frames of the control unit of the control device of optional separator according to an embodiment of the present invention
Figure.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
The part term referred in the embodiment of the present application is explained as follows:
Suspension (suspension): solid particle dispersions cannot sink in liquid because of Brownian movement quickly, at this time
The mixture of solid dispersed phase and liquid claims suspension.The partial size of solid particle in suspension is 103-106Nm is greater than colloid.
Granularity: the size of particle.The granularity of usual spherical particles indicates with diameter, the granularity side length table of cubic granules
Show.To irregular mineral grain, there can be a certain sphere diameter of identical behavior as the equivalent of the particle for mineral grain
Diameter.Sometimes, it can also be used when describing dust particles size.
Ebullated bed: also known as fluidized bed.The fluidized solids stratum granulosum of shape such as boiling liquid (see fluidization of solid).Generally,
Some characteristics with liquid, such as play the role of Fluid pressure, energy overflow to wall and there is viscosity.Due to the solid of work
The particle of object is smaller, and under fluid matasomatism be in strenuous exercise state, for it is many chemical reaction (as roasting, catalysis,
Catalytic cracking etc.) and the carry out of many chemical processes (such as dry, adsorb) it is advantageous.
Embodiment 1
According to embodiments of the present invention, a kind of embodiment of the control method of separator is provided, it should be noted that attached
The step of process of figure illustrates can execute in a computer system such as a set of computer executable instructions, though also,
So logical order is shown in flow charts, but in some cases, it can be to be different from shown by sequence execution herein
Or the step of description.
Fig. 1 is the control method of separator according to an embodiment of the present invention, as shown in Figure 1, this method comprises the following steps:
Step S102 acquires the image information of the suspension in separator and the operating parameter of separator；
Step S104 obtains the target opening value range of the bottom valve of separator according to image information or operating parameter；
Step S106, control bottom valve is mobile, so that the opening value of bottom valve is within the scope of target opening value.
In embodiments of the present invention, joined by the image information of the suspension in acquisition separator and the operation of separator
Number；The target opening value range of the bottom valve of separator is obtained according to image information or operating parameter；It is mobile control bottom valve has been reached
So that purpose of the opening value of bottom valve within the scope of target opening value.It solves separator in the prior art to adjust using artificial
Save the technical problem that bottom valve aperture keeps the stable accuracy at ebullated bed and interface not high.
As shown in Fig. 2, the image capture module 2 in this system is responsible for acquiring the image information of solid solid separator cylinder, and
Image information is passed into intelligent processing module 3.Water-stop adjustable LED strip-shaped light source, voltage are placed in the cylinder of interface
Adjustable extent is 9V-15V.Real work voltage is selected according to the actual situation, generally between 9.5V-11V.Camera alignment control
Target processed.Intelligent processing module 3 is responsible for the image data transmitted in image capture module 2 being carried out processing extraction characteristic information simultaneously
And the level identification of separating interface is carried out, and carry out intelligent decision output step motor control signal.
Camera in image capture module 2 is directed at the cylinder acquisition image information of separator at a certain distance, collects
Image know by extracting the characteristics of image that can be used to identify in intelligent processing module 3, and by the position in intelligent processing module 3
Other module carries out position identification, while being calculated according to relevant parameters such as solid 1 opening and closing degree of solid separator valve, water inlet, chargings
The data that motor 6 need to adjust.Motor control module 4 adjusts the data control rotation of motor 6 according to motor so as to adjust separator
Valve 1, further such that the position of separating interface 5 is adjusted in prescribed limit.
Further, as shown in figure 3, obtaining the target opening value of the bottom valve of separator according to image information or operating parameter
Range includes:
Step S11 determines the position of the separating interface of suspension according to image information, wherein separating interface is suspension
In concentrated phase and dilute phase interface；
Step S12, determine the position of separating interface relative between preset target position direction and distance；
Step S13 is searched in preset relation list with direction and apart from corresponding target opening value range.
Further, as shown in figure 4, the position for determining the separating interface of suspension according to image information includes:
Step S111 extracts the video image characteristic in image information；
Step S112 carries out gray proces to video image characteristic, the video image characteristic that obtains that treated；
Step S113, according to the position of treated video image characteristic determines separating interface.
Specifically, the video image of camera outflow is calculated by certain algorithm by grayvalue transition and determines interface
Position.Since the calculating process of a position must be completed within two frame period times, video frame rate will be arranged suitably, and one
As be set as 12-18 frame/second.
If corresponding gray value arranges image from left to right from top to bottom, for different materials, gray value is from left to right
It is possible that there are two types of situations.Situation 1: becoming smaller again from small become larger, situation 2: from the case where the becoming smaller again that become larger again that become smaller greatly.Pass through reality
Observe material situation certain situation 1 or situation 2 in border.
For situation 1, gray value maximum value is arranged, and the place A is interface to the right；For situation 2, be arranged gray value maximum value to
It is interface at left A.
A value determines: being suitably determined according to error degree and anti-interference requirement, general value are as follows: 95-99% maximum gray scale
Value.
Further, the target opening value range that the bottom valve of separator is obtained according to image information or operating parameter includes:
Step S202 calculates operating parameter according to preset formula, obtains the target opening value of bottom valve, wherein preset formula
For K=4Lsin (α/2) [(Lsin α)/2+D]/D2, K is target opening value, and L is the moving distance of bottom valve, and α is the cone of bottom valve
The angle value and D at angle are the base diameter with the matched valve seat of bottom valve.
Specifically, bottom valve opening value is represented with K.Bottom valve is generally in truncated cone-shaped, cone angle α；Valve seat top is cylinder, diameter
For D (cm), lower part is truncated cone-shaped, and rotary table cone angle is identical as bottom valve cone angle.Bottom valve and valve seat operating structure are as shown in Figure 5.
A is bottom valve closed state, and B is location after bottom valve mobile L (cm) distance.In B location, d=Lsin (α/
2), bottom valve and valve seat form gap, and area is S (cm2)=π Lsin (α/2) ((Lsin α)/2+D)；
Then K=S/ (π (D/2) 2)=4Lsin (α/2) ((Lsin α)/2+D)/D2.
Citing:
If α=20 °, D=32mm, then K=0.01L2+0.22L；
Then when L=3.87cm, K=1, i.e., when spool and the annulus area in valve seat gap are equal to drainage conduit area, valve
Aperture be 100%.
As L=0.5cm, K=11%；
As L=0.6cm, K=13.2%；
As L=0.7cm, K=15.4%；
As L=0.8cm, K=17.6%；
As L=1.3cm, K=28.6%；
As L=1.8cm, K=39.6%；
As L=2.3cm, K=50.6%；
As L=2.5cm, K=55%.
Intelligent decision: enabling C (mm)=(interface physical location-Interface Control target), and enabling bottom valve aperture is K (%).
General decision logic are as follows:
As C < -35mm, K=10-12%；
As C<-10mm and C>=- 35 when, K=12-14%；
As C<-5mm and C>=- 10 when, K=14-16%；
As C<0mm and C>=- 5 when, K=16-18%；
As C<5mm and C>=0 when, K=26-30%；
As C<10mm and C>=5 when, K=37-40%；
As C<15mm and C>=10 when, K=48-52%；
When C >=15 when, K >=55%.
Further, as shown in fig. 6, control bottom valve is mobile, so that the opening value of bottom valve is within the scope of target opening value
Include:
Step S302 obtains the target opening value within the scope of target opening value；
Target opening value is converted to the rotational parameters of motor by step S304；
It is mobile to control bottom valve by rotational parameters driving motor by step S304.
K value is converted to the rotation data of motor 6 according to stepper motor parameter by intelligent processing module 3, and the data are passed
It send to motor control module 4 and controls the operating of motor 6 with the aperture of control valve 1.
In embodiments of the present invention, joined by the image information of the suspension in acquisition separator and the operation of separator
Number；The target opening value range of the bottom valve of separator is obtained according to image information or operating parameter；It is mobile control bottom valve has been reached
So that purpose of the opening value of bottom valve within the scope of target opening value.It solves separator in the prior art to adjust using artificial
Save the technical problem that bottom valve aperture keeps the stable accuracy at ebullated bed and interface not high.
Embodiment 2
Another embodiment according to an embodiment of the present invention, additionally provides a kind of control device of separator, such as Fig. 7 institute
Show, comprising: acquisition unit 10, acquiring unit 20 and control unit 30, acquisition unit 10 are used to acquire the suspension in separator
Image information and separator operating parameter；Acquiring unit 20 is used to obtain separator according to image information or operating parameter
The target opening value range of bottom valve；Control unit 30 is mobile for controlling bottom valve, so that the opening value of bottom valve is in target opening value
Within the scope of.
In the present embodiment, acquisition unit 10 is the image capture module 2 in this system, and acquiring unit 20 is that this is
Intelligent processing module 3 in system, control unit 30 are the motor control module 4 in this system.
Image capture module 2 is responsible for acquiring the image information of solid solid separator cylinder, and image information is passed to intelligence
Processing module 3.Water-stop adjustable LED strip-shaped light source is placed in the cylinder of interface, voltage adjustable extent is 9V-15V.According to
Actual conditions select real work voltage, generally between 9.5V-11V.Camera alignment control target.Intelligent processing module 3
It is responsible for the image data transmitted in image capture module 2 being carried out processing extraction characteristic information and carries out the height of separating interface
Identification, and carry out intelligent decision output step motor control signal.
Camera in image capture module 2 is directed at the cylinder acquisition image information of separator at a certain distance, collects
Image know by extracting the characteristics of image that can be used to identify in intelligent processing module 3, and by the position in intelligent processing module 3
Other module carries out position identification, while being calculated according to relevant parameters such as solid 1 opening and closing degree of solid separator valve, water inlet, chargings
The data that motor 6 need to adjust.Motor control module 4 adjusts the data control rotation of motor 6 according to motor so as to adjust separator
Valve 1, further such that the position of separating interface 5 is adjusted in prescribed limit.
Further, as shown in figure 8, acquiring unit 20 includes: that the first determining subelement 21, second determines 22 and of subelement
Subelement 23 is searched, first determines that subelement 21 is used to determine the position of the separating interface of suspension according to image information, wherein
Separating interface is the interface of the concentrated phase and dilute phase in suspension；Second determines that subelement 22 is used to determine the position of separating interface
Relative between preset target position direction and distance；It searches subelement 23 and is used for lookup and direction in preset relation list
With apart from corresponding target opening value range.
Further, as shown in figure 9, first determines that subelement 21 includes: extraction module 211, processing module 212 and determines
Module 213, extraction module 211 are used to extract the video image characteristic in image information；Processing module 212 is used for video image
Feature carries out gray proces, the video image characteristic that obtains that treated；Determining module 213, for according to treated the view
Frequency characteristics of image determines the position of the separating interface.
Specifically, the video image of camera outflow is calculated by certain algorithm by grayvalue transition and determines interface
Position.Since the calculating process of a position must be completed within two frame period times, video frame rate will be arranged suitably, and one
As be set as 12-18 frame/second.
If corresponding gray value arranges image from left to right from top to bottom, for different materials, gray value is from left to right
It is possible that there are two types of situations.Situation 1: becoming smaller again from small become larger, situation 2: from the case where the becoming smaller again that become larger again that become smaller greatly.Pass through reality
Observe material situation certain situation 1 or situation 2 in border.
For situation 1, gray value maximum value is arranged, and the place A is interface to the right；For situation 2, be arranged gray value maximum value to
It is interface at left A.
Further, as shown in Figure 10, acquiring unit 20 further include: computation subunit 24, computation subunit 24 are used for root
Operating parameter is calculated according to preset formula, obtains the target opening value of bottom valve, wherein preset formula is K=4Lsin (α/2)
[(Lsinα)/2+D]/D2, K is target opening value, and L is the moving distance of bottom valve, and α is the angle value and D of the cone angle of bottom valve
For the base diameter with the matched valve seat of bottom valve.
Specifically, specifically, bottom valve opening value is represented with K.Bottom valve is generally in truncated cone-shaped, cone angle α；Valve seat top is circle
Cylinder, diameter are D (cm), and lower part is truncated cone-shaped, and rotary table cone angle is identical as bottom valve cone angle.Bottom valve and valve seat operating structure such as Fig. 5 institute
Show.
A is bottom valve closed state, and B is location after bottom valve mobile L (cm) distance.In B location, d=Lsin (α/
2), bottom valve and valve seat form gap, and area is S (cm2)=π Lsin (α/2) ((Lsin α)/2+D)；
Then K=S/ (π (D/2) 2)=4Lsin (α/2) ((Lsin α)/2+D)/D2.
Further, as shown in figure 11, control unit 30 includes: to obtain subelement 31, conversion subunit 32 and control
Unit 33 obtains subelement 31 and is used to obtain the target opening value within the scope of target opening value；Conversion subunit 32 is used for will
Target opening value is converted to the rotational parameters of motor；Subelement 33 is controlled to be used to control bottom valve shifting by rotational parameters driving motor
It is dynamic.
K value is converted to the rotation data of motor 6 according to stepper motor parameter by intelligent processing module 3, and the data are passed
It send to motor control module 4 and controls the operating of motor 6 with the aperture of control valve 1.
In embodiments of the present invention, joined by the image information of the suspension in acquisition separator and the operation of separator
Number；The target opening value range of the bottom valve of separator is obtained according to image information or operating parameter；It is mobile control bottom valve has been reached
So that purpose of the opening value of bottom valve within the scope of target opening value.It solves separator in the prior art to adjust using artificial
Save the technical problem that bottom valve aperture keeps the stable accuracy at ebullated bed and interface not high.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of control method of separator characterized by comprising
Acquire the image information of the suspension in separator and the operating parameter of the separator；
The target opening value range of the bottom valve of the separator is obtained according to described image information or the operating parameter；
It is mobile to control the bottom valve, so that the opening value of the bottom valve is within the scope of the target opening value；
Wherein, the target opening value model of the bottom valve that the separator is obtained according to described image information or the operating parameter
It encloses and includes:
The position of the separating interface of the suspension is determined according to described image information, wherein the separating interface is described outstanding
The interface of concentrated phase and dilute phase in supernatant liquid；
Determine the position of the separating interface relative between preset target position direction and distance；
It is searched and the direction and described apart from the corresponding target opening value range in preset relation list.
2. the method according to claim 1, wherein described determine the suspension according to described image information
The position of separating interface includes:
Extract the video image characteristic in described image information；
Gray proces are carried out to the video image characteristic, the video image characteristic that obtains that treated；
According to the position of treated video image characteristic the determines separating interface.
3. the method according to claim 1, wherein described obtain according to described image information or the operating parameter
Target opening value range to the bottom valve of the separator includes:
The operating parameter is calculated according to preset formula, obtains the target opening value of the bottom valve,
Wherein, the preset formula is K=4L sin (α/2) [(L sin α)/2+D]/D2, the K is the target aperture
Value, the L be the bottom valve moving distance, the α be the cone angle of the bottom valve angle value and the D for it is described
The base diameter of the matched valve seat of bottom valve.
4. the method according to claim 1, wherein the control bottom valve is mobile, so that the bottom valve
Opening value includes: within the scope of the target opening value
Obtain the target opening value within the scope of the target opening value；
The target opening value is converted to the rotational parameters of motor；
Drive bottom valve described in the motor control mobile by the rotational parameters.
5. a kind of control device of separator characterized by comprising
Acquisition unit, for acquiring the image information of the suspension in separator and the operating parameter of the separator；
Acquiring unit, the target aperture of the bottom valve for obtaining the separator according to described image information or the operating parameter
It is worth range；
Control unit, it is mobile for controlling the bottom valve so that the opening value of the bottom valve the target opening value range it
It is interior；
Wherein, the acquiring unit includes:
First determines subelement, the position of the separating interface for determining the suspension according to described image information, wherein institute
State the interface that separating interface is the concentrated phase and dilute phase in the suspension；
Second determines subelement, for determine the position of the separating interface relative between preset target position direction and away from
From；
Subelement is searched, for searching and the direction and described apart from the corresponding target aperture in preset relation list
It is worth range.
6. device according to claim 5, which is characterized in that described first determines that subelement includes:
Extraction module, for extracting the video image characteristic in described image information；
Processing module, for carrying out gray proces to the video image characteristic, the video image characteristic that obtains that treated；
Determining module, for the position according to treated video image characteristic the determines separating interface.
7. device according to claim 5, which is characterized in that the acquiring unit includes:
Computation subunit, for obtaining the target opening value of the bottom valve according to the preset formula calculating operating parameter,
Wherein, the preset formula is K=4L sin (α/2) [(L sin α)/2+D]/D2, the K is the target aperture
Value, the L be the bottom valve moving distance, the α be the cone angle of the bottom valve angle value and the D for it is described
The base diameter of the matched valve seat of bottom valve.
8. device according to claim 5, which is characterized in that described control unit includes:
Subelement is obtained, for obtaining the target opening value within the scope of the target opening value；
Conversion subunit, for the target opening value to be converted to the rotational parameters of motor；
Subelement is controlled, for driving bottom valve described in the motor control mobile by the rotational parameters.
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