CN108918356A - A kind of mixed material squeezes smashed granularity prediction technique and system - Google Patents
A kind of mixed material squeezes smashed granularity prediction technique and system Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 309
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- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims description 19
- 238000010298 pulverizing process Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 235000019738 Limestone Nutrition 0.000 description 11
- 239000006028 limestone Substances 0.000 description 11
- 239000004568 cement Substances 0.000 description 7
- 238000000227 grinding Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- -1 mine Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000032572 Conus betulinus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000010334 sieve classification Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses a kind of mixed materials to squeeze smashed granularity prediction technique and system, belongs to crushing material detection technique field, including obtains every single material in mixed material and squeeze smashed size distribution；According to mass ratio and the every single material extruding smashed size distribution of every single material in mixed material, the smashed size distribution of prediction mixed material extruding.The present invention passes through single material in first independent detection mixed material and squeezes smashed size distribution, then in conjunction with mass percent shared by each single material in formula rate parameter, that is, mixed material of mixed material, and each smashed size distribution of single material, to predict that mixed material in the smashed size distribution of extruding, provides foundation for the operation optimization of production.
Description
Technical field
The present invention relates to crushing material detection technique field, in particular to it is pre- that a kind of mixed material squeezes smashed granularity
Survey method and system.
Background technique
Comminution technology includes roll squeezer, vertical mill, Conus betulinus, beta mill (beta mill) etc. with energy-efficient feature
It is widely used in the pulverizing process of the industries such as cement, mine, steel slag, agglomerates of sintered pellets.The powder material partial size of usually its processing is small
In 200mm, a large amount of fine particles are generated through the processed material of comminution equipment and are selected by selecting powder equipment to carry out classification,
Wherein fine powder enters the next process of such as spheroidal graphite machine grinding, the material that coarse granule returns to comminution equipment and newly feeds
Further grinding is carried out after mixing.The characteristics of due to comminution technical energy saving, it is desirable that the product of comminution is as thin as possible, makes
Whole equipment relative energy-saving, this requires system circulation energy to increase, and the material of returning equipment is thinner, into the mixture of equipment
Expect that distribution of particles is wider, average grain diameter is also thinner.
In practical applications, raw material is not usually single variety, such as during producing cement, in addition to clinker
Except primary raw material, it is also necessary to mix with materials such as lime stone, gypsum, sandstone, slags as mixing material.Therefore, production is former
Material is usually the mixture of various materials, and the physical property of different material is different.Powder is squeezed for single variety material
Size distribution after broken is easy to be determined by experiment, but for the mixing of mixed material, especially proportion constantly adjustment variation
Material can not be measured by laboratory facilities and squeeze smashed size distribution.
Summary of the invention
The purpose of the present invention is to provide a kind of mixed materials to squeeze smashed granularity prediction technique and system, to crowded
Smashed material size is pressed to carry out forecast assessment.
In order to achieve the above object, the present invention squeezes smashed granularity prediction technique using a kind of mixed material, including such as
Lower step：
It obtains every single material in mixed material and squeezes smashed size distribution；
Smashed granularity point is squeezed according to mass ratio of every single material in mixed material and every single material
Cloth, prediction mixed material squeeze smashed size distribution.
Preferably, after every single material squeezes crushing in the acquisition mixed material, the size distribution of each comminuting matter, packet
It includes：
Each single material in the mixed material is respectively put into and is squeezed in disintegrating apparatus, each single material is squeezed
Press pulverization process；
The material obtained after crushing will be squeezed to carry out breaing up separation；
By granularity Detection equipment, granularity level detection is carried out to the material broken up after separating；
The quality of the material of crushing rear material different grain size rank is counted, and calculates the mass fraction of different grain size rank.
Preferably, every single material extruding force suffered in squeezing disintegrating apparatus is mixed with described in the mixed material
All extruding forces are identical in production for material.
Preferably, further include：
When newly increasing single material in the mixed material, the newly-increased matter of the single material in new blend material is obtained
Amount ratio；
Single material is increased newly to this and carries out extruding pulverization process, obtains the newly-increased smashed size distribution of single material；
According to the size distribution of every single material mass ratio in new blend material and every single material, new mixing is predicted
Material squeezes smashed size distribution.
Preferably, the mass ratio according to every single material in mixed material and every single material squeeze the granularity point crushed
Cloth squeezes smashed size distribution using predictor formula prediction mixed material, and predictor formula is：
Wherein, PiIndicate the granular mass percentage of the i-th grade after mixed material squeezes crushing, PijIndicate that jth kind is single
Material individually squeezes the granular mass percentage of the i-th grade when crushing, SjIndicate matter of the jth kind single material in mixed material
Percentage is measured, n indicates the kind number of single material in mixed material
On the other hand, smashed granularity forecasting system is squeezed using a kind of mixed material, including size distribution obtains list
Member and size distribution predicting unit, the output of size distribution acquiring unit are connect with the input of size distribution predicting unit；
Size distribution acquiring unit squeezes smashed size distribution for obtaining every single material in mixed material；
Size distribution predicting unit, for the mass ratio and every single object according to every single material in mixed material
Material squeezes smashed size distribution, and prediction mixed material squeezes smashed size distribution.
Preferably, the size distribution acquiring unit includes sequentially connected extruding disintegrating apparatus, material scattering equipment, grain
Spend detection device and size distribution statistic unit；
Disintegrating apparatus is squeezed, for carrying out extruding pulverization process to each single material in the mixed material；
Material scattering equipment carries out breaing up separation for will squeeze the material obtained after crushing；
Granularity Detection equipment, for carrying out granularity level detection to the material broken up after separating；
Size distribution statistic unit, the quality of the comminuting matter for counting different grain size rank, and calculate different grain size
The mass fraction of the comminuting matter of rank.
Preferably, every single material extruding force suffered in squeezing disintegrating apparatus is mixed with described in the mixed material
Suffered extruding force is identical in production for material.
Preferably, when newly increasing single material in the mixed material, the size distribution acquiring unit, granularity are executed
Distributed acquisition unit increases this newly single material smashed size distribution and is sent to the size distribution predicting unit；
The size distribution predicting unit, for according to mass ratio of every single material in new blend material and per single
Material squeezes smashed size distribution, and prediction new blend material squeezes smashed size distribution.
Preferably, the size distribution predicting unit uses following predictor formula, squeezes smashed grain to mixed material
Degree distribution is predicted：
Wherein, PiIndicate the granular mass percentage of the i-th grade after mixed material squeezes crushing, PijIndicate that jth kind is single
Material individually squeezes the granular mass percentage of the i-th grade when crushing, SjIndicate matter of the jth kind single material in mixed material
Percentage is measured, n indicates the kind number of single material in mixed material.
Compared with prior art, there are following technical effects by the present invention：The present invention passes through in first independent detection mixed material
Single material squeezes smashed size distribution, then in conjunction with each single in formula rate parameter, that is, mixed material of mixed material
Mass percent shared by material and the smashed size distribution of each single material, to predict that mixed material is squeezing crushing
Size distribution afterwards.Meanwhile in process of production, when there is the ratio of single material to change in mixed material, or it is mixed
When single material kind or quantity in conjunction material change, it can also very easily predict that mixed material squeezes smashed object
Material granularity distribution, provides foundation for the operation optimization of production.
Detailed description of the invention
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail：
Fig. 1 is the flow diagram that a kind of mixed material squeezes smashed granularity prediction technique；
Fig. 2 is to the granularity prediction result schematic diagram containing clinker and the mixed material of lime stone；
Fig. 3 is the structural schematic diagram that a kind of mixed material squeezes smashed granularity forecasting system.
Specific embodiment
In order to further explain feature of the invention, reference should be made to the following detailed description and accompanying drawings of the present invention.Institute
Attached drawing is only for reference and purposes of discussion, is not used to limit protection scope of the present invention.
As shown in Figure 1, present embodiment discloses a kind of mixed materials to squeeze smashed granularity prediction technique, including as follows
Step S1 to S2：
S1, the smashed size distribution of every single material extruding in mixed material is obtained；
It should be noted that every kind of single material in mixed material is carried out extruding crushing, every kind of independent detection respectively
Single material squeezes the size distribution of crushing rear material and the granular mass percentage of different grain size rank.
S2, mass ratio and the smashed granularity of every single material extruding according to every single material in mixed material
Distribution, prediction mixed material squeeze smashed size distribution.
It is smashed according to every kind of single material extruding in the charge ratio of mixed material and mixed material in the present embodiment
Size distribution can predict mixed material and squeeze smashed size distribution, for material proportion in production and type
Variation, can accurately predict the variation of mixed material crushing rear material granularity, effective Instructing manufacture operating parameter it is excellent
Change.
As further preferred scheme, above-mentioned steps S1：After obtaining the every single material extruding crushing of mixed material weight, respectively
The size distribution of comminuting matter.It specifically comprises the following steps (1) to (4)：
(1) by each single material in the mixed material be respectively put into squeeze disintegrating apparatus in, to each single material into
Row squeezes pulverization process；
It should be noted that squeeze disintegrating apparatus be material bed class disintegrating apparatus, including but not limited to roll squeezer, vertical mill,
Roller mill, beta mill (beta mill), pressure experiment machine etc..
(2) each comminuting matter obtained after crushing will be squeezed to carry out breaing up separation；
Each comminuting matter is carried out by material scattering equipment to break up separation, in order to carry out material size classification.
(3) by granularity Detection equipment, granularity level detection is carried out to the material broken up after separating；
It hits formula vibrating sieving machine by combination sieve and top in the present embodiment and comminuting matter is subjected to sieve classification.
(4) quality of the comminuting matter of different grain size rank is counted, and calculates the comminuting matter of different grain size rank at this
Mass percent in single material.
It should be noted that the quality of the comminuting matter by statistics different grain size rank, and according to different grain size rank
The quality of comminuting matter and the quality of the single material, obtain the mass percent of the comminuting matter of different grain size rank.
As further preferred scheme, every single material extruding force suffered in squeezing disintegrating apparatus in mixed material
All extruding forces are identical in production with the mixed material.In practical applications, the reality for squeezing disintegrating apparatus is previously set
Parameter is tested, so that every kind of single material suffered extruding force and mixed material when squeezing crushing is suffered crowded in the actual production process
Pressure is identical.To reduce the size distribution of each comminuting matter and each list in mixed material actual production after single material crushes as far as possible
The error of the size distribution of one material improves the accuracy that mixed material squeezes the size distribution prediction of crushing rear material.
As further preferred scheme, further include：
When newly increasing single material in the mixed material, the newly-increased matter of the single material in new blend material is obtained
Amount ratio；
Single material is increased newly to this and carries out extruding pulverization process, obtains the newly-increased smashed size distribution of single material；
According to the size distribution of every single material mass ratio in new blend material and every single material, new mixing is predicted
Material squeezes smashed size distribution.
In practical applications, if having newly increased certain single material in mixed material, new mixed material is constituted, is only needed
Experiment individually detects the single material and squeezes smashed size distribution, then according to the i.e. predictable new blend material of above-mentioned steps
Squeeze smashed size distribution.
Likewise, when the ratio of certain material changes in mixed material, it only need to be according to single material after variation mixed
The mass ratio in material is closed, can predict that mixed material squeezes smashed size distribution according to above-mentioned steps.
As further preferred scheme, mass ratio in the present embodiment according to every single material in mixed material and every
The size distribution of single material squeezes the size distribution of each comminuting matter after crushing using predictor formula prediction mixed material, in advance
Surveying formula is：
Wherein, PiIndicate the granular mass percentage of the i-th grade after mixed material squeezes crushing, PijIndicate that jth kind is single
Material individually squeezes the granular mass percentage of the i-th grade when crushing, SjIndicate matter of the jth kind single material in mixed material
Percentage is measured, n indicates the kind number of single material in mixed material,Indicate accumulative summation.
The present embodiment is very applicable for the material mixing extruding pulverizing process of Multiple components, is particularly suitable for cement grinding,
Cement grinding includes a plurality of types of grinding raw materials, clinker, lime stone, the natural gypsum, sandstone, building waste residue, slag etc..
In process of production, because of the difference of product variety, composition of raw materials is not also from identical；Same product is produced, due to quality
Need or process system it is unstable, the ratio of composition of raw materials is also in dynamic change.The present embodiment passes through in laboratory independence
Size distribution when single material squeezes crushing is detected, then by the scale parameter of formula, calculates prediction mixed material extruding powder
Size distribution after broken.In production process, when two kinds of material ratios change or raw material variety or number of species in formula
It changes, very easily can calculate the size distribution that prediction squeezes material after crushing using the formula, and to production exercise
Work is subject to optimal control.
It is carried out for squeezing the cement grinding being made of clinker, lime stone the prediction of smashed size distribution below
Explanation：
Certain factory produces cement using clinker and lime stone, and two kinds of materials enter roll squeezer extruding after sufficiently mixing
It crushes.In order to carry out analysis prediction to squeezing smashed material size, need first to squeeze single material the granularity that crushes into
Row experiment and detection, detailed process is as follows：
(1) the representative clinker sample of acquisition certain mass；
(2) clinker sample is put into experiment roll squeezer and carries out extruding crushing, experiment roll squeezer operating parameter is previously set, liquid
System pressure is pressed to guarantee that material pressure is identical as material pressure in production；
(3) smashed material scattering will be squeezed；
(4) it hits formula vibrating sieving machine by combination sieve and top and is classified material screening；
(5) quality for weighing size fractionated material, calculates the mass fraction of size fractionated, after obtaining clinker extruding crushing
Particle size distribution data；
(6) above step (1) to (5) are repeated to lime stone, measures lime stone and squeezes smashed particle size distribution data；
(7) formula is then usedCalculate the size distribution of mixed material.Assuming that in process of production
The 3rd group of particle size range that need to be paid close attention to is 0.5-1mm, and clinker squeezes partial size mass fraction P after crushing3,1=0.15, lime stone squeezes
Partial size mass fraction P after press-powder is broken3,2=0.20, the proportion scale of clinker and lime stone is 75% at a certain moment:25%, then
Mixed material, which squeezes the quality of material score that smashed granularity is the section 0.5-1mm, to calculate prediction with following formula：
Wherein, * indicates multiplication sign.
Obtained granularity distribution result such as Fig. 2 by clinker, lime stone and the cement grinding being made of clinker, lime stone
It is shown.
As shown in figure 3, present embodiment discloses a kind of mixed materials to squeeze smashed granularity forecasting system, including granularity
Distributed acquisition unit 10 and size distribution predicting unit 20, the output and size distribution predicting unit of size distribution acquiring unit 10
20 input connection；
Size distribution acquiring unit 10 squeezes smashed size distribution for obtaining every single material in mixed material；
Size distribution predicting unit 20, for according to mass ratio of every single material in mixed material and described per single
Material squeezes smashed size distribution, and prediction mixed material squeezes smashed size distribution.
As further preferred scheme, size distribution acquiring unit 10 includes sequentially connected extruding disintegrating apparatus, object
Expect that bale breaking equipment, granularity Detection equipment and size distribution count equipment；
Disintegrating apparatus is squeezed, for carrying out extruding pulverization process to each single material in the mixed material；
Material scattering equipment carries out breaing up separation for will squeeze the material obtained after crushing；
Granularity Detection equipment, for carrying out granularity level detection to the material broken up after separating；
Size distribution statistic unit, the quality of the comminuting matter for counting different grain size rank, and calculate different grain size
The mass fraction of the comminuting matter of rank.
As further preferred scheme, in the mixed material, every single material is suffered in squeezing disintegrating apparatus squeezes
All extruding forces are identical in production for pressure and the mixed material.
As further preferred scheme, when newly increasing single material in the mixed material, executes size distribution and obtain
Unit 10 is taken, size distribution acquiring unit 10 increases this newly single material smashed size distribution and is sent to size distribution prediction
Unit 20；
Size distribution predicting unit 20, for the mass ratio and every single object according to every single material in new blend material
The size distribution of material, prediction new blend material squeeze the size distribution of each comminuting matter after crushing.
As further preferred scheme, size distribution predicting unit uses following predictor formula, squeezes mixed material
The size distribution of each comminuting matter is predicted after crushing：
Wherein, PiIndicate the granular mass percentage of the i-th grade after mixed material squeezes crushing, PijIndicate that jth kind is single
Material individually squeezes the granular mass percentage of the i-th grade when crushing, SjIndicate matter of the jth kind single material in mixed material
Percentage is measured, n indicates the kind number of single material in mixed material.
It should be understood that the present embodiment mixed material squeezes the acquisition of the size distribution in smashed granularity forecasting system
Unit and size distribution predicting unit are respectively used to execute each step in Fig. 1, and squeeze smashed granularity with mixed material
Prediction technique has the same effect.For simplicity, no longer it is described in detail.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of mixed material squeezes smashed granularity prediction technique, which is characterized in that including：
It obtains every single material in mixed material and squeezes smashed size distribution；
According to mass ratio and the every single material extruding smashed size distribution of every single material in mixed material, in advance
It surveys mixed material and squeezes smashed size distribution.
2. mixed material as described in claim 1 squeezes the granularity prediction technique crushed, which is characterized in that the acquisition mixing
Every single material squeezes smashed size distribution in material, including：
Each single material in the mixed material is respectively put into and is squeezed in disintegrating apparatus, extruding powder is carried out to each single material
Broken processing；
The material obtained after crushing will be squeezed to carry out breaing up separation；
By granularity Detection equipment, granularity level detection is carried out to each comminuting matter broken up after separating；
The quality of the comminuting matter of different grain size rank is counted, and calculates the comminuting matter of different grain size rank in the single material
In mass percent.
3. mixed material as claimed in claim 2 squeezes the granularity prediction technique crushed, which is characterized in that the mixed material
In every single material squeezing extruding force suffered in disintegrating apparatus and the mixed material all extruding force phase in production
Together.
4. mixed material as claimed in claim 2 squeezes the granularity prediction technique crushed, which is characterized in that further include：
When newly increasing single material in the mixed material, the newly-increased quality of the single material in new blend material is obtained
Than；
Single material is increased newly to this and carries out extruding pulverization process, obtains the newly-increased smashed size distribution of single material；
According to the size distribution of every single material mass ratio in new blend material and every single material, new blend material is predicted
Squeeze smashed size distribution.
5. mixed material according to any one of claims 1-4 squeezes the granularity prediction technique crushed, which is characterized in that according to
The size distribution of mass ratio and every single material of every single material in mixed material predicts mixed material using predictor formula
Smashed size distribution is squeezed, predictor formula is：
Wherein, PiIndicate the granular mass percentage of the i-th grade after mixed material squeezes crushing, PijIndicate jth kind single material
Individually squeeze the granular mass percentage of the i-th grade when crushing, SjIndicate quality hundred of the jth kind single material in mixed material
Score, n indicate the kind number of single material in mixed material.
6. a kind of mixed material squeezes smashed granularity forecasting system, which is characterized in that including：Size distribution acquiring unit and
The output of size distribution predicting unit, size distribution acquiring unit is connect with the input of size distribution predicting unit；
Size distribution acquiring unit squeezes smashed size distribution for obtaining every single material in mixed material；
Size distribution predicting unit, for being squeezed according to mass ratio of every single material in mixed material and every single material
Smashed size distribution is pressed, prediction mixed material squeezes smashed size distribution.
7. mixed material as claimed in claim 6 squeezes smashed granularity forecasting system, which is characterized in that the granularity point
Cloth acquiring unit includes being sequentially connected to squeeze disintegrating apparatus, material scattering equipment, granularity Detection equipment and size distribution statistics
Unit；
Disintegrating apparatus is squeezed, for carrying out extruding pulverization process to each single material in the mixed material；
Material scattering equipment carries out breaing up separation for will squeeze the material obtained after crushing；
Granularity Detection equipment, for carrying out granularity level detection to the material broken up after separating；
Size distribution statistic unit, the quality of the comminuting matter for counting different grain size rank, and calculate different grain size rank
Comminuting matter mass fraction.
8. mixed material as claimed in claim 7 squeezes smashed granularity forecasting system, which is characterized in that the mixture
Every single material suffered extruding force and mixed material in the extruding disintegrating apparatus are suffered in production in material squeezes
Pressure is identical.
9. mixed material as claimed in claim 7 squeezes smashed granularity forecasting system, which is characterized in that in the mixing
When newly increasing single material in material, execute the size distribution acquiring unit, size distribution acquiring unit by this increase newly it is single
Size distribution after crushing material is sent to the size distribution predicting unit；
The size distribution predicting unit, for according to mass ratio of every single material in new blend material and every single material
Size distribution, prediction new blend material squeezes smashed size distribution.
10. mixed material as claim in any one of claims 6-9 squeezes smashed granularity forecasting system, which is characterized in that
The size distribution predicting unit uses following predictor formula, squeezes smashed size distribution to mixed material and predicts：
Wherein, PiIndicate the granular mass percentage of the i-th grade after mixed material squeezes crushing, PijIndicate jth kind single material
Individually squeeze the granular mass percentage of the i-th grade when crushing, SjIndicate quality hundred of the jth kind single material in mixed material
Score, n indicate the kind number of single material in mixed material.
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