CN105258666B - A kind of disk reduction device door aperture determines method and device - Google Patents
A kind of disk reduction device door aperture determines method and device Download PDFInfo
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- CN105258666B CN105258666B CN201510755913.9A CN201510755913A CN105258666B CN 105258666 B CN105258666 B CN 105258666B CN 201510755913 A CN201510755913 A CN 201510755913A CN 105258666 B CN105258666 B CN 105258666B
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Abstract
The present invention provides a kind of disk reduction device door aperture and determines method and apparatus, and method includes the following steps：Corresponding standard door aperture when obtaining two standard feed quality and reaching the corresponding division quality of two standard feed quality；The calculate the first feedstock quality between the two first estimated door aperture is sought using two standard feed quality；Quality for the supplied materials of the first feedstock quality is carried out division and measures the first of division sample actually to keep sample quality；Actually keep sample quality according to first and division quality obtains the first adjustment ratio；According to the first adjustment than obtaining the first adjustment door aperture with the first estimated door aperture and storing the first feedstock quality and the correspondence of the first adjustment door aperture；The calculate the second feedstock quality second estimated door aperture is sought according to the standard feed quality or the first feedstock quality adjacent with the second feedstock quality.This method calculates door angular deviation by introducing Quality Feedback, according to sample quality deviation after division, improves follow-up division precision.
Description
Technical field
The present invention relates to sample preparation division technical field, more particularly to a kind of disk reduction device door aperture determines method and dress
It puts.
Background technology
One of the step of sample splitting (sample splitting) is the processing of the samples such as chemical analysis, being will by certain
It asks, the sample for being crushed to certain granules diameter is divided into several pieces has the sample of equal reliability or before processing, crushing
The operating process reduced to primary sample.
In existing sample splitting, the method for determining quality division is used particularly in coal sample preparation division, utilization is a certain amount of more
The division sample for being gone out extra fine quality by division sample division.Due to the difference of sampling quantity, before quality division is determined it needs to be determined that
Division ratio, the running parameter that corresponding division equipment is adjusted further according to division ratio.
Disk reduction device is that division sample preparation field uses the relatively broad reduction device that can arbitrarily adjust division ratio.Using
When disk reduction device determine quality division to material, treat in the cavity wall that division sample uniformly sheds in reduction device at 360 °, division
The movable door of device is in specific aperture and keeps specific division ratio size.Ideally, the aperture of door and division ratio should
When linear；But the movement locus that the inhomogeneities and material due to blanking are shed is inconsistent, practical door aperture
It is not linear with division ratio, but it is rendered as irregular curve.
To simplify operation, the existing method for adjusting door aperture is that entire mass range is divided into equidistant cell
Between, and assume that the division ratio of each minizone is linearly related with door aperture, it is calculated by two-end-point door aperture linear interpolation
The door aperture of intermediate each point, the approximate division ratio for obtaining entire division range, but there are larger for this approximate calculation method
Error, error is more apparent when especially supplied materials quality is bigger.
It to sum up analyzes, how to provide and a kind of door aperture size, Jin Erbao are more accurately determined according to division ratio
It is the technical issues of this field needs consider and solve that card, which determines quality division to reach setting mass value,.
Invention content
To solve the problems, such as that existing disk reduction device cannot be guaranteed that determining quality division reaches setting quality, the present invention provides
A kind of disk reduction device door aperture method of adjustment and a kind of disk reduction device door aperture adjusting apparatus.
The present invention provides a kind of disk reduction device door aperture and determines method, includes the following steps：
Corresponding standard when obtaining two standard feed quality and reaching the corresponding division quality of two standard feed quality
Door aperture；
It asks and is located at using linear interpolation algorithm, using two standard feed quality and corresponding standard door aperture
First estimated door aperture of the first feedstock quality between the two；
Division is carried out for the supplied materials of first feedstock quality to quality according to the described first estimated door aperture and is measured
The first of division sample actually keeps sample quality；Actually keep sample quality and the corresponding division of first feedstock quality according to described first
Quality obtains the first adjustment ratio；
The first adjustment door aperture is obtained with the described first estimated door aperture according to the first adjustment ratio and stores institute
State the first feedstock quality and the correspondence of the first adjustment door aperture；
Using linear interpolation algorithm, according to first feedstock quality adjacent with the second feedstock quality and corresponding described
The first adjustment door aperture seeks the calculate second feedstock quality second estimated door aperture.
Optionally, it is institute to quality according to the described second estimated door aperture after calculating the described second estimated door aperture
The supplied materials for stating the second feedstock quality carries out division and measures the second of division sample actually keeping sample quality；It is actually stayed according to described second
Sample quality and the corresponding division quality of second feedstock quality obtain second adjustment ratio；
Second adjustment door aperture is obtained according to the second adjustment ratio and the described second estimated door aperture；
If the difference of second feedstock quality and immediate first feedstock quality is less than given threshold, by institute
The correspondence for stating the first feedstock quality and the first adjustment door aperture is updated to second feedstock quality and described the
The correspondence of two adjustment door apertures；
If the difference of second feedstock quality and immediate first feedstock quality is greater than or equal to given threshold,
Then retain immediate first feedstock quality and the corresponding the first adjustment door aperture, and store second charging
Quality and the corresponding second adjustment door aperture, using second feedstock quality as the first new feedstock quality, by institute
Second adjustment door aperture is stated as new the first adjustment door aperture；
Calculate corresponding the second new estimated door aperture of the second new feedstock quality.
Optionally, the described first estimated door aperture is calculated using linear interpolation algorithm and the second estimated door is opened
Degree.
Optionally, the given threshold is 1kg.
Optionally, between the standard feed quality between be divided into 10kg.
The present invention also provides a kind of disk reduction device door aperture determining device, including：
Control unit calculates the first feedstock quality correspondence for being asked according to standard feed quality and corresponding standard door aperture
The first estimated door aperture；
Measuring unit, the division sample for measuring according to the described first estimated door aperture division first actually keep sample matter
Amount；
Feedback unit, for actually keeping sample quality and the corresponding division quality of first feedstock quality according to described first
The first adjustment ratio is obtained, and obtains the first adjustment door according to the first adjustment ratio and the first estimated door aperture and opens
Degree；
Storage unit, for storing the standard feed quality and the standard door aperture, first feedstock quality
With the correspondence of the first adjustment door aperture；
Described control unit is additionally operable to be asked according to first feedstock quality and the corresponding the first adjustment door aperture
Calculate the second estimated door aperture of the second feedstock quality.
Optionally, the measuring unit is additionally operable to measure the of the division sample according to the described second estimated door aperture division
Two actually keep sample quality；
The feedback unit is additionally operable to actually keep sample quality and the corresponding contracting of second feedstock quality according to described second
Sub-prime measures second adjustment ratio, and the second adjustment ratio is made to be multiplied to obtain second adjustment with the described second estimated door aperture
Door aperture；
Judging unit is further included, for the difference according to first feedstock quality and second feedstock quality and is set
Determine threshold size to judge whether to increase or update the storage unit stores data.
The present invention provides a kind of disk reduction device door aperture and determines method, by according to standard feed quality and standard storehouse
Door aperture is sought the calculate the first feedstock quality first estimated door aperture and carries out division sample preparation, the result obtained using division sample preparation
Division quality corresponding with the first feedstock quality compares feedback modifiers door aperture and obtains the first adjustment door aperture, because as
Adjustment so that the door aperture of the first feedstock quality is close to preferable aperture, can subtract as mathematic interpolation of the node for next time
Few division deviation；As an improvement if the difference of subsequent second feedstock quality and the first feedstock quality is more than or equal to threshold value,
Then can by by the storage of the second feedstock quality corresponding second adjustment door aperture for increasing the number of mass range interior nodes,
Improve follow-up division precision；If the difference of subsequent second feedstock quality and the first feedstock quality be less than threshold value, by first into
Material quality and the first adjustment door aperture are updated to the second feedstock quality and its corresponding second adjustment door aperture, further carry
The precision of high node.
Disk reduction device door adjusting apparatus provided by the invention, it is identical with preceding method to reach effect, herein no longer
It repeats.
Description of the drawings
Fig. 1 is one flow chart of embodiment that disk reduction device door aperture of the present invention determines method；
Fig. 2 is two flow chart of embodiment that disk reduction device door aperture of the present invention determines method；
Fig. 3 is the structure diagram of disk reduction device door aperture determining device of the present invention.
Specific embodiment
For those skilled in the art is made to be better understood from technical scheme of the present invention, in the following with reference to the drawings and specific embodiments
The present invention is described in further detail.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Embodiment one：
Fig. 1 is one flow chart of embodiment that disk reduction device door aperture of the present invention determines method, this determines flow master
Include the following steps：
Step S101：When obtaining two standard feed quality and reaching the corresponding division quality of two standard feed quality pair
The standard door aperture answered.
In this course, two standard feed quality are measured by the method for actual tests and reaches two standard feed matter
Corresponding standard door aperture during corresponding division quality is measured, according to difference, the product particle degree size for needing division product variety
And the difference of proportion size, the standard door aperture for reaching division quality have very big difference.It is described in this step to obtain
Two standard feed quality is taken not represent, two points are only obtained in practical division, but obtain the two of one section of quality region both ends
A, the endpoint between each quality region overlaps.
Step S102：Seek the calculate the first feedstock quality first estimated door aperture.
In this step, linear interpolation algorithm, which can be used, asks the corresponding first estimated door of the first feedstock quality of calculation to open
Degree；It should be noted that the first feedstock quality is located between two standard feed quality.Step S103：It is opened according to the first estimated door
Degree carries out division and measures the first of division sample actually keeping sample quality, according to first keep sample quality and the first feedstock quality it is corresponding
Division Mass Calculation the first adjustment ratio.
After the first estimated door aperture is calculated using linear interpolation algorithm, according to the first estimated door aperture adjustment circle
The door of disk reduction device, and according to granularity size, the first feedstock quality carry out determining quality division obtaining division sample；Then measure
The first of division sample actually keeps sample quality.Due to the limitation of this body structure of disk reduction device, during material is shed and transport
Dynamic rail mark obtain it is different, first actually keep sample between quality and the corresponding division quality of the first feedstock quality have larger gap,
And the ratio relation that this gap keeps sample by first between quality and the corresponding division quality of the first feedstock quality is relatively simple
Determine, therefore can keep sample quality and the corresponding division Mass Calculation the first adjustment ratio of the first feedstock quality according to first.
Step S104：The first adjustment door aperture is obtained according to the first adjustment ratio and the first estimated door aperture.
According to simple analysis, such as first keeps sample quality more than the corresponding division quality of the first feedstock quality, then judges the
One estimated door aperture is more than preferable door aperture, needs to correspondingly reduce door aperture；Such as first keeps sample quality less than first
The corresponding division quality of feedstock quality then judges that the first estimated door aperture is less than preferable door aperture, needs correspondingly to increase
Door aperture；And what the first estimated door aperture was to determine, therefore the first adjustment ratio can be the corresponding division of the first feedstock quality
Quality/the first keeps sample quality, and the first estimated door aperture is compared with the first adjustment to be multiplied just can obtain approximate ideal first and feed
The first adjustment door aperture of the corresponding division quality of quality.
Step S105：Second feedstock quality corresponding second is calculated according to the first feedstock quality and the first adjustment door aperture
It is expected that door aperture.
By above-mentioned calculating, it is practical between two standard feed quality by interpolation algorithm and feedback obtained one compared with
Keep sample the node of quality and corresponding the first adjustment door aperture as new calculating interpolation for accurate first.Due to the first tune
Whole door aperture is obtained by practical feedback and relative to one of them first feedstock quality close to the second feedstock quality, therefore
Its door aperture corresponding with the second feedstock quality more closely, also just more can accurately be predicted by interpolation algorithm second into
Expect the corresponding second estimated door aperture of quality.Using above method, by the standard door for measuring several standard feed quality
Aperture can fast and accurately determine the estimated door aperture of intermediate point by interpolation, save previous experiments time.
Herein, it should be noted that when the second estimated door aperture is determined to the second feedstock quality, one first charging can be used
Quality and its first adjustment door aperture, standard feed quality standard door aperture corresponding with its, can also be used two
First feedstock quality and its first adjustment door aperture.
Embodiment two：
Fig. 2 is that disk reduction device door aperture of the present invention determines two flow chart of embodiment of method, relative to embodiment one,
Which increase subsequently selected the step of determining the first feedstock quality and corresponding the first adjustment door aperture so that two standard feeds
Space between quality more can reasonably divide and determine more rational door aperture；Specifically, except having embodiment one
In step outside, the present embodiment also has steps of：
Step 106：The supplied materials of the second feedstock quality is carried out division and measured to be contracted according to the second estimated door aperture
The second of point sample actually keeps sample quality；Actually keep sample quality according to second and the corresponding division quality of the second feedstock quality obtains
Two adjustment ratios.
The step for it is similar with step 103, only this step is based on the first adjacent feedstock quality and corresponding first
(such as second actually keeps sample quality side for standard feed quality to adjustment door aperture, then using the standard feed quality of this side
And its standard door aperture) calculate the second estimated door aperture and second and actually keep sample quality, and obtain second adjustment ratio.It should note
Meaning, second adjustment is than the ratio for the quality that actually keeps sample for corresponding division quality/the second of the second feedstock quality herein.
Step 107：Second adjustment door aperture is obtained according to second adjustment ratio and the described second estimated door aperture.
Step 108：Judge whether the difference of the second feedstock quality and immediate first feedstock quality is more than setting
Threshold value.
If the difference of the second feedstock quality and immediate first feedstock quality is less than given threshold, consider second into
Expect the corresponding second adjustment door aperture of quality relative to the first adjustment door aperture of the first feedstock quality in threshold range
Further adjustment is done, therefore second adjustment door aperture is more representative, by the second feedstock quality and second adjustment door
The correspondence of aperture covers the first feedstock quality and the correspondence of the first adjustment door aperture.
If the difference of the second feedstock quality and immediate first feedstock quality is greater than or equal to given threshold, the is considered
The distance between two feedstock qualities and the first feedstock quality are farther out, it is impossible to effectively utilize the first feedstock quality corresponding with its
One adjustment door aperture calculates the estimated door aperture outside threshold range, therefore by the second feedstock quality and its second adjustment door
Aperture is corresponding first feedstock quality, the first adjustment door aperture as new node and by its attribute modification.
According to above method, so that it may selection, the addition work of node are carried out during subsequent division so that entire circle
Number of nodes in disk division quality section is more, improves the precision of follow-up door aperture.
In both examples above, the first adjustment ratio can be that corresponding division quality/the first of the first feedstock quality keep sample matter
Amount or the adjustment ratio obtained using other computational methods.Each adjustment with corresponding estimated door aperture than can be used directly
It connects multiplication and is adjusted the adjustment ratio that door aperture or other computational methods obtain.
In the present invention in embodiment, given threshold is set as 1kg, can preferably be divided into entire quality section smaller
Interval increases number of nodes and then increases division precision.Certainly, it can also be counted in other embodiments according to division ratio using other
The given threshold of value.
Further, the standard feed quality in above example can be uniformly distributed, and corresponding interval can be 10kg.Such as
Preceding given threshold is the same, and the interval of standard feed quality is alternatively other numerical value.
The present invention also provides a kind of disk division in addition to providing foregoing disk reduction device door aperture and determining method
Device door aperture determining device.Fig. 3 is the structure diagram of disk reduction device door aperture determining device of the present invention, including control
Unit 11 processed, measuring unit 13,14 storage unit 15 of feedback unit；Control unit 11 is used for according to standard feed quality and correspondence
Standard door aperture ask and calculate the corresponding first estimated door aperture of the first feedstock quality；Measuring unit 13 contracts for measuring disk
Point device 12 actually keeps sample quality according to the first of the division sample of the first estimated door aperture division；Feedback unit 14, for basis
First actually keeps sample quality and the corresponding division quality of the first feedstock quality obtains the first adjustment ratio, and according to the first adjustment
Than obtaining the first adjustment door aperture with the described first estimated door aperture；Storage unit 15 for store standard feed quality and
The correspondence of standard door aperture, the first feedstock quality and the first adjustment door aperture；In addition, control unit 11 is additionally operable to root
The calculate the second feedstock quality second estimated door aperture is sought according to the first feedstock quality and corresponding the first adjustment door aperture.
More specifically, storage unit 15 employs the data structure of chain sheet form, in each node comprising a section
Nod and two data item, two data item for store standard keep sample quality and its corresponding standard door aperture or first into
Expect quality and its corresponding the first adjustment door aperture.
As can be seen from Figure 3, further, disk reduction device door aperture determining device of the invention can also have and sentence
Disconnected unit 16 realizes the quantity or data of 15 interior joint of storage unit with reference to the new function of measuring unit 13, feedback unit 14
The adjustment of item content.Specifically, measuring unit 13 is additionally operable to measure second it is expected that the second reality of the division sample of door aperture division
Border keeps sample quality；Feedback unit 14 is additionally operable to actually keep sample quality according to second and the corresponding division quality of the second feedstock quality obtains
Second adjustment door aperture is obtained to second adjustment ratio, and according to second adjustment ratio and the second estimated door aperture；Judging unit
16 are used to be judged whether the first charging according to the difference and given threshold size of the first feedstock quality and the second feedstock quality
The correspondence of quality and the first door adjustment aperture is updated to the second feedstock quality and the corresponding of second adjustment door aperture is closed
System or the second feedstock quality of storage and the correspondence of second adjustment door aperture.Above to disk division in the embodiment of the present invention
Device door aperture determines that method and device is described in detail.Specific case is applied herein to the principle of the present invention and implementation
Mode is expounded, and the explanation of above example is only intended to helping to understand core concept of the invention, is not departing from this hair
In the case of bright principle, can also to the present invention some improvement and modification can also be carried out, these improvement and modification also fall into the present invention guarantor
In the range of shield.
Claims (4)
1. a kind of disk reduction device door aperture determines method, it is characterised in that：
Corresponding standard door when obtaining two standard feed quality and reaching the corresponding division quality of two standard feed quality
Aperture；
Calculation is asked to be located at the two using linear interpolation algorithm, using two standard feed quality and corresponding standard door aperture
Between the first feedstock quality the first estimated door aperture；
Division is carried out for the supplied materials of first feedstock quality to quality according to the described first estimated door aperture and measures division
The first of sample actually keeps sample quality；Actually keep sample quality and the corresponding division quality of first feedstock quality according to described first
Obtain the first adjustment ratio；
The first adjustment door aperture is obtained according to the first adjustment ratio and the described first estimated door aperture and stores described the
The correspondence of one feedstock quality and the first adjustment door aperture；
Using linear interpolation algorithm, according to first feedstock quality adjacent with the second feedstock quality and corresponding described first
Adjustment door aperture seeks the calculate second feedstock quality second estimated door aperture；
It is the described second charging matter to quality according to the described second estimated door aperture after calculating the described second estimated door aperture
The supplied materials of amount carries out division and measures the second of division sample actually keeping sample quality；Actually keep sample quality and described according to described second
The corresponding division quality of second feedstock quality obtains second adjustment ratio；
Second adjustment door aperture is obtained according to the second adjustment ratio and the described second estimated door aperture；
If the difference of second feedstock quality and immediate first feedstock quality is less than given threshold, by described the
One feedstock quality and the correspondence of the first adjustment door aperture are updated to second feedstock quality and are adjusted with described second
The correspondence of whole door aperture；
If the difference of second feedstock quality and immediate first feedstock quality is greater than or equal to given threshold, protect
Immediate first feedstock quality and the corresponding the first adjustment door aperture are stayed, and stores second feedstock quality
With the corresponding second adjustment door aperture, using second feedstock quality as the first new feedstock quality, by described the
Two adjustment door apertures are as new the first adjustment door aperture；
Calculate corresponding the second new estimated door aperture of the second new feedstock quality.
2. disk reduction device door aperture according to claim 1 determines method, it is characterised in that：The given threshold is
1kg。
3. disk reduction device door aperture according to claim 1 or 2 determines method, it is characterised in that：The standard into
10kg is divided between material quality.
4. a kind of disk reduction device door aperture determining device, which is characterized in that including：
Control unit calculates the first feedstock quality corresponding for being asked according to standard feed quality and corresponding standard door aperture
One estimated door aperture；
Measuring unit, the division sample for measuring according to the described first estimated door aperture division first actually keep sample quality；
Feedback unit, for actually keeping sample quality according to described first and the corresponding division quality of the first feedstock quality obtains first
Ratio is adjusted, and the first adjustment door aperture is obtained according to the first adjustment ratio and the first estimated door aperture；
Storage unit, for storing the standard feed quality and standard door aperture, first feedstock quality and institute
State the correspondence of the first adjustment door aperture；
Described control unit is additionally operable to ask calculation according to first feedstock quality and the corresponding the first adjustment door aperture
The estimated door aperture of the second of two feedstock qualities；
The measuring unit is additionally operable to measure according to described second it is expected that the second of the division sample of door aperture division actually keeps sample
Quality；
The feedback unit is additionally operable to actually keep sample quality and the corresponding division matter of second feedstock quality according to described second
Second adjustment ratio is measured, and the second adjustment ratio is made to be multiplied to obtain second adjustment door with the described second estimated door aperture
Aperture；
Judging unit is further included, for the difference according to first feedstock quality and second feedstock quality and setting threshold
Value size judges whether to increase or updates the storage unit stores data.
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| CN201510755913.9A CN105258666B (en) | 2015-11-09 | 2015-11-09 | A kind of disk reduction device door aperture determines method and device |
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| JPS611839A (en) * | 1984-06-14 | 1986-01-07 | Mikuni Kogyo Co Ltd | Fuel feeding apparatus for internal-combustion engine |
| DE69301428T2 (en) * | 1992-05-25 | 1996-06-13 | Nippon Denso Co | Throttle valve control device for internal combustion engines |
| JP4365553B2 (en) * | 2001-12-26 | 2009-11-18 | 株式会社日立製作所 | Engine fuel control device and idling air-fuel ratio control method |
| CN101349892A (en) * | 2008-08-29 | 2009-01-21 | 中冶北方工程技术有限公司 | Fuzzy-PID compound control system in sintered mixing water supply |
| CN102749241A (en) * | 2012-07-30 | 2012-10-24 | 湖南三德科技发展有限公司 | Intelligent divider capable of conducting division with constant mass |
| BR102014006644B1 (en) * | 2013-03-29 | 2022-03-22 | Honda Motor Co., Ltd | Engine fuel injection control system |
| CN103436648B (en) * | 2013-08-30 | 2015-09-16 | 莱芜钢铁集团有限公司 | The inflation method of chute stream aperture and device in blast furnace material distribution |
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Effective date of registration: 20190523 Address after: No. 1259 Liangtang East Road, Xingsha Industrial Base (Changlong Street), Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Kaiyuan Instrument Co., Ltd., Changsha Address before: 410100 No. 172 Kaiyuan Road, Changsha economic and Technological Development Zone, Changsha, Hunan Patentee before: Changsha Kaiyuan Instruments Co., Ltd. |