CN108491961A - A kind of method for building up of pellet gene pool and its application - Google Patents
A kind of method for building up of pellet gene pool and its application Download PDFInfo
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- 239000008188 pellet Substances 0.000 title claims abstract description 263
- 108090000623 proteins and genes Proteins 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000000203 mixture Substances 0.000 claims abstract description 32
- 238000004458 analytical method Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000013459 approach Methods 0.000 claims abstract description 5
- 230000001603 reducing effect Effects 0.000 claims description 18
- 238000005457 optimization Methods 0.000 claims description 16
- 230000009467 reduction Effects 0.000 claims description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 12
- 239000011707 mineral Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 9
- 238000003325 tomography Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 7
- 230000015556 catabolic process Effects 0.000 claims description 7
- 238000006731 degradation reaction Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000005453 pelletization Methods 0.000 claims description 7
- 238000011946 reduction process Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 4
- 238000004611 spectroscopical analysis Methods 0.000 claims description 4
- 238000002441 X-ray diffraction Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 208000037656 Respiratory Sounds Diseases 0.000 claims 1
- 230000003466 anti-cipated effect Effects 0.000 abstract description 3
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 238000006722 reduction reaction Methods 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
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- 229910052742 iron Inorganic materials 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 4
- 238000011160 research Methods 0.000 description 4
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- 238000004088 simulation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
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- 239000000498 cooling water Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005021 gait Effects 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000005036 potential barrier Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000000026 X-ray photoelectron spectrum Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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Abstract
The invention belongs to chemical metallurgy technical fields, and in particular to a kind of method for building up of pellet gene pool and its application.This approach includes the following steps：1) the pellet sample with heterogeneity information is obtained；2) the pellet sample gene information of each pellet sample is obtained respectively, and the pellet sample gene information includes：The microscopic information of the pellet sample；Jie of the pellet sample sees information；The macroscopic information of the pellet sample；3) foundation includes the database of the composition information of each pellet sample and the correspondence of the corresponding pellet sample gene information of each pellet sample, obtains pellet gene pool.This method can establish the inner link between pellet ingredient-structure-performance, microcosmic as analysis pellet, substantive characteristics and its metallurgical performance relationship in be situated between sight and macro-scale foundation, to be better anticipated and analyze metallurgical properties, and for instructing pellet produced on-site.
Description
Technical field
The invention belongs to chemical metallurgy technical fields, and in particular to a kind of method for building up of pellet gene pool and its answer
With.
Background technology
With the development of steel and iron industry, modern steel production be increasingly intended to energy-saving and environmental protection and efficiently, and pellet because
Have：1) compared with pellet sintering process, pellet production process saves fuel, generates CO2Few, pollution is small；2) pellet
Epigranular, ingredient is relatively stable, is conducive to the gas permeability of blast furnace stock column and being uniformly distributed for air-flow；3) pellet ferrous grade
There are high the advantages such as good reducing property, cold strength, the status in the present blast furnace ironmaking of pellet to seem more and more heavier
It wants, it has also become a kind of indispensable blast furnace raw material.Therefore the prediction of blast furnace pellet quality and control technique are current blast furnaces
The critical issue for needing urgently to solve of ironmaking.The metallurgical performance index of pellet at present：Cold conditions compression strength, reduction degradation
Rate, reproducibility etc. are only capable of from the partial properties for macroscopically reflecting pellet.It directly inherently cannot explain and predict pellet
Metallurgical performance.Up to the present, there are no the geneseq databases that can be directly used for prediction metallurgical properties.
In recent years, " gene " concept is cited expansion in many fields, and the proposition of " material genetic engineering " makes material
Genome database is utilizing informatics and statistical method, carries out advanced material exploration and design aspect plays important work
With the quantitative relationship established between ingredient-structure-performance of material is the key that realize design of material and production.By " base
It is feasible that cause " concept, which introduces the research application of metallurgical briquetting domain variability,.Although different iron and steel enterprises pellet has differences, it
Metallurgical performance and the intrinsic gene such as each mine phase composition of pellet, crystal structure, microstructure there are inner links.Trusted computer
Technology high-speed development is ceased, the existing research work in relation to pellet is quickly improved, but the research number of pelletizing process
Laboratory report obtained according to, production practices parameter and researcher etc. without establish become for successors refering to big data
Library, these data are unable to get effective utilization, and the genetic characteristics of pellet are not goed deep into systematic research, test and total
Knot.Therefore, to fill up the vacancy of gene database, and the inner link between pellet ingredient-structure-performance, ball are tested
The measurement of nodulizing gene data is particularly important.
Invention content
To solve the deficiencies in the prior art, the present invention provides a kind of method for building up of pellet gene pool and its applications.
This method can establish the inner link between pellet ingredient-structure-performance, as analysis pellet it is microcosmic, be situated between see and
The foundation of substantive characteristics and its metallurgical performance relationship in macro-scale, to be better anticipated and analyze metallurgical properties,
And for instructing pellet produced on-site.
Technical solution provided by the present invention is as follows：
A kind of method for building up of pellet gene pool, includes the following steps：
1) the pellet sample with heterogeneity information is obtained；
2) the pellet sample gene information of each pellet sample, the pellet sample gene packet are obtained respectively
It includes：
The microscopic information of the pellet sample；
Jie of the pellet sample sees information；
The macroscopic information of the pellet sample；
3) foundation includes the composition information and the corresponding pellet sample gene letter of each pellet sample of each pellet sample
The database of the correspondence of breath obtains pellet gene pool.
Based on the above-mentioned technical proposal, the inner link between pellet ingredient-structure-performance can be established, as point
Analyse pellet it is microcosmic, be situated between see and macro-scale on substantive characteristics and its metallurgical performance relationship foundation, so as to be better anticipated with
Metallurgical properties are analyzed, and for instructing pellet produced on-site.
Specifically, the microscopic information includes：
The chemical composition information of each mine phase of pellet sample；
The microstructure information of each mine phase of pellet sample；
The reducing power information and mechanics of each simple mine phase in the pellet sample obtained by first-principles calculations
Performance information；
The reducing power information and mechanical property of each complicated ore phase of the pellet sample obtained by first-principles calculations
It can information.
Specifically, the acquisition of the chemical composition information of each mine phase of pellet sample is by using arbitrary in following methods
One or more measurement obtain：High resolution transmission electron microscope analytic approach, X-ray photoelectron spectroscopic analysis method；
The acquisition of the microstructure information of each mine phase of pellet sample by using in following methods any one or
Many measure obtains：High resolution transmission electron microscope analytic approach, X-ray photoelectron spectroscopic analysis method.
Specifically, structure optimization is carried out to the mineral structure cell of each simple mine phase in pellet sample by first principle,
And the structure based on optimization is calculated, and the reducing power information and mechanical property information of each simple mine phase are obtained；
It is calculated by Materials studio softwares, obtains the mineral structure cell of each complicated ore phase in pellet sample
Basic reducing power information and basic mechanical performance information, then by Materials studio softwares to pellet sample
In cell configuration of the mineral structure cell after adulterating or being dissolved other elements of each complicated ore phase optimize, then the knot based on optimization
Structure calculate-, the optimization reducing power information and optimization mechanics performance information of each complicated ore phase are obtained, relatively also proper energy substantially
Difference between force information and optimization reducing power information, obtains the reducing power information of each complicated ore phase of pellet sample,
Compare basic mechanical performance information and the difference with optimization mechanics performance information, obtains the mechanics of each complicated ore phase of pellet sample
Performance information.
Specifically, give an account of see information include：
The specific surface area information of pellet sample；
Each mine phase morphology characteristic information in pellet sample；
The air hole structure information of pellet sample；
The crack structtire information of pellet sample；
Variation characteristic information of each mine phase in reduction process in pellet sample.
Specifically：
The specific surface area of pellet sample is analyzed using BET detection and analysis, obtains the specific surface of pellet sample
Product information；
Three dimensional joint element is mutually carried out to each mine of pellet sample using 3D Slicer softwares, is obtained in pellet sample
Each mine phase morphology characteristic information；
The pore structure of pellet sample is analyzed using tomography X technology, obtains the gas of pellet sample
Pore structure information；
The crack structtire of pellet sample is analyzed using tomography X technology, obtains pellet sample
Crack structtire information；
The pellet sample after different recovery time reduction under different temperatures is observed using Hot stage microscope, is recorded
The precedence information of each mine phase (bloodstone, magnetic iron ore, silicate etc.) reduction, is used in combination X-ray diffraction to determine not in pellet
After synthermal lower different recovery times reduction in pellet sample each mine phase composition information, it is each in pellet sample to obtain
Variation characteristic information of the mine phase in reduction process.
Specifically, the macroscopic information includes：
The cold conditions compression strength information of pellet sample；
The hot compression strength information of pellet sample；
The low temperature reduction degradation index information of pellet sample；
Specifically：
The ISO4700-1983 that adopts international standards analyzes nodulizing sample, obtains the cold conditions pressure resistance of pellet sample
Spend information；
Nodulizing sample is analyzed using hot Anti-pressure testing instrument for pelletizing, obtains the hot resistance to compression of pellet sample
Strength information；
Pellet sample is analyzed using national standard GB/T13242-91, obtains the low temperature reduction degradation of pellet sample
Rate information；
The present invention also provides the application processes of pellet gene pool：
A kind of gene information acquisition methods of the pellet sample to be determined based on pellet gene pool, including following step
Suddenly：
1) the pellet sample with heterogeneity information is obtained；
2) the pellet sample gene information of each pellet sample, the pellet sample gene packet are obtained respectively
It includes：
The microscopic information of the pellet sample；
Jie of the pellet sample sees information；
The macroscopic information of the pellet sample；
3) foundation includes the composition information and the corresponding pellet sample gene letter of each pellet sample of each pellet sample
The database of the correspondence of breath obtains pellet gene pool；
4) pellet sample to be determined is obtained, and obtains the composition information of pellet sample to be determined；
5) by the composition information of each pellet sample in the composition information of pellet sample to be determined and the database
It is compared, filters out composition information pellet sample corresponding with the composition information of pellet sample to be determined, obtain the ball
The pellet sample gene information of nodulizing sample, the pellet sample gene information as pellet sample to be determined.
A kind of composition information acquisition methods of the pellet sample to be selected based on pellet gene pool, including following step
Suddenly：
1) the pellet sample with heterogeneity information is obtained；
2) the pellet sample gene information of each pellet sample, the pellet sample gene packet are obtained respectively
It includes：
The microscopic information of the pellet sample；
Jie of the pellet sample sees information；
The macroscopic information of the pellet sample；
3) foundation includes the composition information and the corresponding pellet sample gene letter of each pellet sample of each pellet sample
The database of the correspondence of breath obtains pellet gene pool；
4) performance requirement of pellet sample to be selected is obtained, and converts performance requirement to macroscopic information；
5) by the macroscopic information of each pellet sample in the macroscopic information of pellet sample to be selected and the database
It is compared, filters out macroscopic information pellet sample corresponding with the macroscopic information of pellet sample to be selected, obtain the ball
The composition information of nodulizing sample, the composition information as pellet sample to be selected based on the above-mentioned technical proposal, by be determined
The composition information of pellet sample directly obtains the pellet sample gene of pellet sample to be determined according to pellet gene pool
Information, alternatively, the macroscopic information by pellet sample to be selected directly obtains pellet to be selected according to pellet gene pool
The composition information of sample improves production efficiency to facilitate industrial production.
Technical solution provided by the present invention, be to extract different pellets it is microcosmic, be situated between and see and the substantive characteristics of macroscopic view,
Using these substantive characteristics as the gene information of pellet, and the gene pool of pellet is established, microcosmic, Jie as analysis pellet
The foundation of the relationship of the substantive characteristics and its metallurgical performance of sight and macro-scale.Repeat above-mentioned experimentation, pelletizing of enriching constantly
Mine gene pool understands the inner link between pellet ingredient-structure-performance, and corrects mould according to theoretical and experimental data
Type establishes accurate pellet performance prediction model.
Specific implementation mode
The principles and features of the present invention are described below, and illustrated embodiment is served only for explaining the present invention, is not intended to
Limit the scope of the present invention.
In a specific embodiment：
The measurement of pellet structural constituent and microstructure is penetrated using high resolution transmission electron microscope (HRTEM), X
Photoelectron spectra (XPS).
High resolution transmission electron microscope (HRTEM) tests the JEM.2010 high that Instrumental is the production of JEOL companies of Japan
Resolution Transmission Electronic Speculum.Experiment condition：Accelerating potential 200KV, spherical aberration coefficient Cs=0.5mm, electron beam wavelength λ=
0.002508nm, 600,000 times of highest amplification factor, this experiment are 500,000 times.Taken before experiment a little analysis pellet powder as
In alcohol, ultrasonic disperse l0min draws a small amount of suspension powder-like with suction pipe and instills on the copper mesh of diameter about 3mm, dry
It is fixed on after 30min on transmission electron microscope coal sample frame and is used as HRTEM observations.
X-ray photoelectron spectroscopy (X-ray photo electron spectroscopy--XPS) test uses Britain VG
Company ESCALAB250 type x-ray photoelectron spectroscopies carry out.AlK α anodes, power 200W；Full scan is through energy 150eV, step
Long 0.5eV；Narrow scan is through energy 60eV, step-length 0.05eV；Base vacuum is 10.7pa, with C1s (284.6eV) for calibration standard
It is corrected.Gained C (1s), O (1s), N (1s) and S (2p) XPS spectrum figure in ordinate represent electronic counting, abscissa is electricity
Son combines energy.
First-principles calculations are to carry out reduction reaction simulation, meter to the molecular model of obtained tissue using software for calculation
Its reaction energy potential barrier is calculated, simple mineral physics property is calculated.In FindIt crystallographic datas library lookup to the red iron of pellet
The cell parameter of mine crystal；Using Materials Studio software CASTAP modules using in generalized gradient approximation (GGA)
To pellet, the mine phase crystal structure mineral structure cell carries out structure optimization to PBE functionals；Pass through analysis work(in CASTAP modules
The ground state physical property and mechanical property that it can be analyzed simulate CO reduction reactions to obtained structure cell section, calculate its reaction
Energy barrier.
It is to simple mineral using software for calculation into row element when first principle simulation calculates complicated ore phase physical property
It mixes, forms complicated multivariate solid solution, in pellet bloodstone mine phase in addition to Fe, O element, also a small amount of Na, Mg, Si, Al.
The result of study and pellet microstructure measurement result of comprehensive forefathers, analysis obtain Na, Mg, Si, Al and participate in bloodstone
Solid solution mode.In Materials studio softwares to bloodstone in simple mineral structure cell doping or be dissolved different elements and use
CASTEP modules use the PBE functionals in generalized gradient approximation (GGA) to carry out the pellet mine phase crystal structure mineral structure cell
Structure optimization.By their ground state physical property and mechanical property of Analysis functional analyses in CASTEP modules, to obtaining
The structure cell section simulation CO reduction reactions arrived, calculate its reaction energy potential barrier, go back lattice parameter change in original route and reduction process
Change.Finally itself and mineral crystal before doping are compared, qualitative analysis its reducing power, is gone back original route and restored at mechanical property
The variation of lattice parameter in journey.
The specific surface area of pellet sample uses the specific surface area analysis of model Autosorb-1-MP/LP and is divided
Analysis.
Pellet sample mine phase morphology characteristic information uses image reconstruction method.Choosing granularity isThe common pelletizings of difference
Ore sample carries out hot insert after tentatively polishing with XQ-2B mounting press, and 20min is then polished on P-2 type polishing machines to pellet table
Face is without apparent cut.Then, determine that the different mine phase of the pellet is formed with element by scanning electron microscope.It is clapped with light microscope
A series of two-dimentional displaing micro pictures of pellet tomography are taken the photograph, picture obtains the micro- panorama sketch of pellet tomography after splicing is merged,
Repeat the above process, obtain 80 layer by layer spacing be 3 μm of pellet tomography sequence two dimension micro-structure diagrams, and utilize 3D Slicer
Software obtains pellet volume rendering three-dimensional reconstruction figure, to observe the shape characteristic of each mine phase.
The air hole structure and crack structtire information of pellet sample use tomography X method.Choosing granularity isPellet, under reducing atmosphere, using reduction shaft furnace in volume fraction：20%CO, 20%CO2, 60%N2, gas mark
State 15 ± 1L/min of flow, reduction reaction is carried out at 500 DEG C 60 minutes.Pelletizing is in tomography X equipment after reaction, into
Row scanning imagery.X-ray tube voltage and electric current are controlled respectively in 70kV and 90kV.
Variation characteristic information in pellet sample in each mine phase reduction process, using the micro- sem observation of high-temperature stage.Choosing
The granularity is taken to bePellet, be placed on platinum plate, sample frame be adjusted to correct position.Adjust the tooth on microscope tube
Item and groove correctly concentrate on the image of sample on focal plane, adjust galvanometer, open cooling water.Just whether checking experiment stove
Often, then heat temperature raising, heating rate control are 40 DEG C/min, using the image capturing system of profession, are connected for 0.1s with frequency
Photo during continuous shooting sample variation.After experiment, cooling water system should still continue up to furnace temperature drop to it is low
In 100 DEG C.Sample in reduction process at different temperatures is sampled, determines that each mine is mutually restoring by X-ray diffraction
Changing rule in the process.
The cold strength of the pellet sample ISO4700-1983 that adopts international standards is measured.By no less than 1kg samples
It is placed on dry in baking oven (105 dry DEG C), and is cooled to room temperature before the test, randomly select 60 a diameter of 10-12.5mm's
Sample, on the pressure testing machine of model HXQT-10D, presser device gait of march is 10-20mm/min, measures each ball
Maximum compressive strength of the nodulizing before rupture is indicated with average value " N/ ball ".
The hot strength of pellet sample reaches the heat of Co., Ltd and Wuhan University Of Technology's co-design using Anshan Xing Yuan
State strength tester.No less than drying in baking oven (105 ± 5 DEG C) will be placed on by 1kg samples, and be cooled to room temperature before the test, with
Machine chooses the sample of 60 a diameter of 10-12.5mm, and on pressure testing machine, presser device gait of march is 10-20mm/min,
Maximum compressive strength of each pellet before rupture is measured, is indicated with average value " N/ ball ".
The low temperature reduction degradation index of pellet sample analyzes pellet sample using national standard GB/T13242-91.With
Random division method choose granularity 10-12.5 pellet, using reduction shaft furnace in volume fraction：20%CO, 20%CO2,
60%N2, gas 15 ± 1L/min of standard state flow, progress reduction reaction 60 minutes at 500 DEG C.Using the method for rotary drum to reaction
Pellet sample is detected afterwards, calculates low temperature reduction degradation index.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of method for building up of pellet gene pool, which is characterized in that include the following steps：
1) the pellet sample with heterogeneity information is obtained；
2) the pellet sample gene information of each pellet sample is obtained respectively, and the pellet sample gene information includes：
The microscopic information of the pellet sample；
Jie of the pellet sample sees information；
The macroscopic information of the pellet sample；
3) foundation includes the composition information and the corresponding pellet sample gene information of each pellet sample of each pellet sample
The database of correspondence obtains pellet gene pool.
2. the method for building up of pellet gene pool according to claim 1, which is characterized in that the microscopic information includes：
The chemical composition information of each mine phase of pellet sample；
The microstructure information of each mine phase of pellet sample；
The reducing power information and mechanical property of each simple mine phase in the pellet sample obtained by first-principles calculations
Information；
The reducing power information and mechanical property of each complicated ore phase of the pellet sample obtained by first-principles calculations are believed
Breath.
3. the method for building up of pellet gene pool according to claim 2, it is characterised in that：
The acquisition of the chemical composition information of each mine phase of pellet sample is by using any one or more in following methods
Measurement obtains：High resolution transmission electron microscope analytic approach, X-ray photoelectron spectroscopic analysis method；
The acquisition of the microstructure information of each mine phase of pellet sample is by using any one or more in following methods
Measurement obtains：High resolution transmission electron microscope analytic approach, X-ray photoelectron spectroscopic analysis method.
4. the method for building up of pellet gene pool according to claim 1, it is characterised in that：
Structure optimization is carried out to the mineral structure cell of each simple mine phase in pellet sample by first principle, and based on optimization
Structure is calculated, and the reducing power information and mechanical property information of each simple mine phase are obtained；
It is calculated by Materials studio softwares, obtains the base of the mineral structure cell of each complicated ore phase in pellet sample
This reducing power information and basic mechanical performance information, then by Materials studio softwares to each in pellet sample
The mineral structure cell of complicated ore phase adulterate or be dissolved other elements after cell configuration optimize, then based on the structure of optimization into
Row calculates, and obtains the optimization reducing power information and optimization mechanics performance information of each complicated ore phase, more basic reducing power letter
Difference between breath and optimization reducing power information, obtains the reducing power information of each complicated ore phase of pellet sample, compares
Basic mechanical performance information and and optimization mechanics performance information difference, obtain the mechanical property of each complicated ore phase of pellet sample
Information.
5. the method for building up of pellet gene pool according to claim 1, which is characterized in that giving an account of sight information includes：
The specific surface area information of pellet sample；
Each mine phase morphology characteristic information in pellet sample；
The air hole structure information of pellet sample；
The crack structtire information of pellet sample；
Variation characteristic information of each mine phase in reduction process in pellet sample.
6. the method for building up of pellet gene pool according to claim 5, it is characterised in that：
The specific surface area of pellet sample is analyzed using BET detection and analysis, obtains the specific surface area letter of pellet sample
Breath；
Three dimensional joint element is mutually carried out to each mine of pellet sample using 3D Slicer softwares, obtains each mine in pellet sample
Phase morphology characteristic information；
The pore structure of pellet sample is analyzed using tomography X technology, obtains the stomata knot of pellet sample
Structure information；
The crack structtire of pellet sample is analyzed using tomography X technology, obtains the crackle of pellet sample
Structural information；
The pellet sample after different recovery time reduction under different temperatures is observed using Hot stage microscope, records pelletizing
The precedence information that each mine mutually restores in mine is used in combination X-ray diffraction to determine under different temperatures ball after different recovery times reduction
The composition information of each mine phase in nodulizing sample, to obtain each mine in pellet sample, mutually the variation characteristic in reduction process is believed
Breath.
7. the method for building up of pellet gene pool according to claim 1, which is characterized in that the macroscopic information includes：
The cold conditions compression strength information of pellet sample；
The hot compression strength information of pellet sample；
The low temperature reduction degradation index information of pellet sample.
8. the method for building up of pellet gene pool according to claim 7, it is characterised in that：
The ISO4700-1983 that adopts international standards analyzes nodulizing sample, obtains the cold conditions compression strength letter of pellet sample
Breath；
Nodulizing sample is analyzed using hot Anti-pressure testing instrument for pelletizing, obtains the hot compression strength of pellet sample
Information；
Pellet sample is analyzed using national standard GB/T13242-91, obtains the low temperature reduction degradation index letter of pellet sample
Breath.
9. a kind of gene information acquisition methods of the pellet sample to be determined based on pellet gene pool, which is characterized in that packet
Include following steps：
1) the pellet sample with heterogeneity information is obtained；
2) the pellet sample gene information of each pellet sample is obtained respectively, and the pellet sample gene information includes：
The microscopic information of the pellet sample；
Jie of the pellet sample sees information；
The macroscopic information of the pellet sample；
3) foundation includes the composition information and the corresponding pellet sample gene information of each pellet sample of each pellet sample
The database of correspondence obtains pellet gene pool；
4) pellet sample to be determined is obtained, and obtains the composition information of pellet sample to be determined；
5) composition information of each pellet sample in the composition information of pellet sample to be determined and the database is carried out
It compares, filters out composition information pellet sample corresponding with the composition information of pellet sample to be determined, obtain the pellet
The pellet sample gene information of sample, the pellet sample gene information as pellet sample to be determined.
10. a kind of composition information acquisition methods of the pellet sample to be selected based on pellet gene pool, which is characterized in that packet
Include following steps：
1) the pellet sample with heterogeneity information is obtained；
2) the pellet sample gene information of each pellet sample is obtained respectively, and the pellet sample gene information includes：
The microscopic information of the pellet sample；
Jie of the pellet sample sees information；
The macroscopic information of the pellet sample；
3) foundation includes the composition information and the corresponding pellet sample gene information of each pellet sample of each pellet sample
The database of correspondence obtains pellet gene pool；
4) performance requirement of pellet sample to be selected is obtained, and converts performance requirement to macroscopic information；
5) macroscopic information of each pellet sample in the macroscopic information of pellet sample to be selected and the database is carried out
It compares, filters out macroscopic information pellet sample corresponding with the macroscopic information of pellet sample to be selected, obtain the pellet
The composition information of sample, the composition information as pellet sample to be selected.
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| CN109658986A (en) * | 2018-11-27 | 2019-04-19 | 宿州新材云计算服务有限公司 | A kind of new material genetic decoding and new material structure and function prediction method |
| CN113012768A (en) * | 2021-03-03 | 2021-06-22 | 上海大学 | Construction method and application of high-molecular flame-retardant composite material gene library |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109658986A (en) * | 2018-11-27 | 2019-04-19 | 宿州新材云计算服务有限公司 | A kind of new material genetic decoding and new material structure and function prediction method |
| CN113012768A (en) * | 2021-03-03 | 2021-06-22 | 上海大学 | Construction method and application of high-molecular flame-retardant composite material gene library |
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