CN106645244B - The evaluation method of Ti element dispersion degree in a kind of titaniferous furnace charge - Google Patents
The evaluation method of Ti element dispersion degree in a kind of titaniferous furnace charge Download PDFInfo
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Abstract
The invention discloses a kind of evaluation methods of Ti element dispersion degree in titaniferous furnace charge, belong to ironmaking technology field.The evaluation method includes: selection titaniferous ore sample to be evaluated, and by the random N equal part of the titaniferous ore sample, N >=2, and randomly selects a titaniferous ore as test sample from every part of sample；Surface scan is carried out to the test sample using scanning electron microscope, obtains Ti element surface scan figure；Gridding processing is carried out to the Surface scan figure, obtains Surface scan grid chart；According to the ratio of the total grid number of the number of grids Zhan shared by Ti element in the Surface scan grid chart, dispersion degree of the Ti element in furnace charge is obtained.So, quantitative assessment is carried out to dispersion degree of the Ti element in titaniferous furnace charge, dispersion degree is bigger, shows that the degree of scatter of Ti element is higher, and then the furnace retaining effect of the Ti element from aerodynamic point effective evaluation titaniferous furnace charge is realized, the selection for Ti resource provides judgment basis.
Description
Technical field
The present invention relates to ironmaking technology field, in particular to the evaluation method of Ti element dispersion degree in a kind of titaniferous furnace charge.
Background technique
In recent years, as blast furnace enlargement development trend, rate of driving step up, blast furnace crucibe occurs to burn, side
The problems such as wall temperature sharply increases increased significantly.Intensity of cooling, control rate of driving etc. is for example improved in conventional furnace retaining measure to arrange
On the basis of applying, vast ironmaking worker increasingly approves using the method maintenance blast furnace crucibe longevity for adding titanium furnace retaining.
However miscellaneous titaniferous furnace retaining resource is faced, the method for titanium resource is evaluated at present only from ingredient and price angle
Consider, such as its Iron grade, Ti content or " Fe+Ti " grade etc., such evaluation method is more unilateral, can not effective expression titaniferous
Ti element plays the complexity of action of protecting furnace in furnace in furnace charge, therefore only judges that titaniferous furnace charge performance superiority and inferiority has by grade
Institute is biased.
Titaniferous furnace charge furnace retaining mechanism is as follows:
Into the titaniferous furnace charge of blast furnace, under reducing atmosphere, as temperature increases, letter is changed by complex compound first
Single TiO2Compound finally forms in cohesive zone and contains TiO2First slag, and according to from high price to low price rule step by step
Reduction, it may be assumed that
TiO2→Ti3O5→Ti2O3→TiO→Ti→TiC(TiN)
According to thermodynamic condition, the TiC (or TiN) of the higher formation of temperature is more.Into after cupola well, titanium at a certain temperature
Solubility in molten iron is limited, and temperature more high-dissolvability is higher.When the titanium in molten iron is lower than its saturation solubility,
Most of TiC (or TiN) will be dissolved in molten iron, and when low-temperature space of the titaniferous molten iron in cupola well lower periphery (such as near furnace wall),
Titaniferous amount in molten iron will be above the saturation solubility of titanium, TiC (or TiN) will with solid state crystallization is precipitated and is deposited on furnace wall,
Furnace retaining effect can be played after deposition reaches certain thickness, deposition is more, and furnace retaining effect is better.
However, consider from aerodynamic point, extraneous reducing atmosphere only is touched just titanium-containing oxide is as much as possible
One of an important factor for capable of being reduced more rapidly, and influencing titanium-containing oxide reduction is exactly point of the Ti element in titaniferous furnace charge
The degree of dissipating, degree of scatter are higher more with extraneous reducing atmosphere contact surface.For this reason, it may be necessary to propose that one kind being capable of quantitative assessment Ti
The method of element dispersion degree in titaniferous furnace charge, to auxiliary evaluation titanium resource furnace retaining effect.
Summary of the invention
The object of the present invention is to provide a kind of evaluation methods of Ti element dispersion degree in titaniferous furnace charge, being capable of quantitative assessment Ti
Dispersion degree of the element in titaniferous furnace charge, thus in effective evaluation titaniferous furnace charge Ti element furnace retaining effect, be Ti resource choosing
Offer judgment basis is provided.
To achieve the above object, the present invention provides a kind of evaluation methods of Ti element dispersion degree in titaniferous furnace charge, comprising:
Choose titaniferous ore sample to be evaluated, and by the random N equal part of the titaniferous ore sample, N >=2, and from every part
A titaniferous ore is randomly selected in sample as test sample；
Surface scan is carried out to the test sample using scanning electron microscope, obtains Ti element surface scan figure；
Gridding processing is carried out to the Surface scan figure, obtains Surface scan grid chart；
According to the ratio of the total grid number of the number of grids Zhan shared by Ti element in the Surface scan grid chart, Ti element is obtained
Dispersion degree in furnace charge.
Further, the granularity of the titaniferous ore sample is 5~20mm.
Further, the gridding processing is the grid that several homalographics are drawn in the Surface scan figure.
Further, total grid number >=64.
Further, the ratio of the total grid number of the number of grids Zhan according to shared by Ti element in the Surface scan grid chart
Example obtains dispersion degree of the Ti element in furnace charge, specifically: the grid of the element containing Ti is marked in the Surface scan grid chart,
Calculate separately the Ti element dispersion degree of each test sample according to the ratio of the total grid number of grid number Zhan of the element containing Ti, and according to
Test sample number calculates the average value of the Ti element dispersion degree of test sample, using the average value as Ti element in furnace charge
Dispersion degree.
Further, the Ti element dispersion degree of the test sample is calculated with specific reference to following formula:
In formula (1): DiFor the Ti element dispersion degree of test sample, %；ATiFor the Ti element grid number of test sample, a net
Lattice；A0For total grid number of test sample, a grid.
Further, dispersion degree of the Ti element in furnace charge is calculated with specific reference to following formula:
In formula (2): DTi in burdenFor dispersion degree of the Ti element in furnace charge, %；DiDisperse for the Ti element of test sample
Degree, %；N is test sample number, the i.e. isodisperse of titaniferous ore sample.
The one or more technical solutions provided in the embodiment of the present invention, have at least the following technical effects or advantages:
The evaluation method of Ti element dispersion degree, chooses to be evaluated first in the titaniferous furnace charge provided in the embodiment of the present invention
Titaniferous ore sample, and by the random N equal part of the titaniferous ore sample, N >=2, and randomly select one from every part of sample and contain
Titanium ore is as test sample；Then Surface scan is carried out to the test sample using scanning electron microscope, obtains Ti element
Surface scan figure；Gridding processing is carried out to the Surface scan figure again, obtains Surface scan grid chart；Finally according to the Surface scan net
The ratio of the total grid number of the number of grids Zhan shared by Ti element in trrellis diagram obtains dispersion degree of the Ti element in furnace charge.In this way, right
Dispersion degree of the Ti element in titaniferous furnace charge carries out quantitative assessment, and dispersion degree is bigger, shows that the degree of scatter of Ti element is higher,
And then the furnace retaining effect of the Ti element from aerodynamic point effective evaluation titaniferous furnace charge is realized, it provides and sentences for the selection of Ti resource
Disconnected foundation.
Detailed description of the invention
Fig. 1 is the evaluation method flow chart of Ti element dispersion degree in titaniferous furnace charge provided in an embodiment of the present invention；
Fig. 2 is the Surface scan grid chart that the embodiment of the present invention 1 obtains；
Fig. 3 is the Surface scan grid chart that the embodiment of the present invention 2 obtains.
Specific embodiment
The embodiment of the present invention provides a kind of evaluation method of Ti element dispersion degree in titaniferous furnace charge, being capable of quantitative assessment Ti member
Dispersion degree of the element in titaniferous furnace charge, thus in effective evaluation titaniferous furnace charge Ti element furnace retaining effect, be Ti resource selection
Judgment basis is provided.
To achieve the above object, general thought of the embodiment of the present invention is as follows:
The present invention provides a kind of evaluation methods of Ti element dispersion degree in titaniferous furnace charge, comprising:
Choose titaniferous ore sample to be evaluated, and by the random N equal part of the titaniferous ore sample, N >=2, and from every part
A titaniferous ore is randomly selected in sample as test sample；
Surface scan is carried out to the test sample using scanning electron microscope, obtains Ti element surface scan figure；
Gridding processing is carried out to the Surface scan figure, obtains Surface scan grid chart；
According to the ratio of the total grid number of the number of grids Zhan shared by Ti element in the Surface scan grid chart, Ti element is obtained
Dispersion degree in furnace charge.
It can be seen that the present invention by the above content and Surface scan acquisition carried out to titaniferous ore by scanning electron microscope
Ti member vegetarian noodles surface sweeping figure is realized according to Ti element ratio shared in Surface scan figure and quantitatively calculates Ti element in titaniferous furnace charge
In dispersion degree, dispersion degree is bigger, shows that the degree of scatter of Ti element is higher, and then realize from aerodynamic point and effectively comment
The furnace retaining effect of Ti element, the selection for Ti resource provide judgment basis in valence titaniferous furnace charge.
In order to better understand the above technical scheme, being done below by the drawings and specific embodiments to technical solution of the present invention
Detailed description, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the detailed of technical solution of the present invention
Explanation, rather than the restriction to technical solution of the present invention, in the absence of conflict, in the embodiment of the present invention and embodiment
Technical characteristic can be combined with each other.
The embodiment of the invention provides a kind of evaluation methods of Ti element dispersion degree in titaniferous furnace charge, referring to Fig. 1, packet
It includes:
Step S110: choosing titaniferous ore sample to be evaluated, and by the random N equal part of the titaniferous ore sample, N >=2,
And a titaniferous ore is randomly selected from every part of sample as test sample；
In step s 110 in order to guarantee that test sample is representative, so the titaniferous ore to required evaluation carries out sample
This sampling, and by the random N equal part of sample, take a titaniferous ore as test sample at random from every part of sample.Specifically,
The number of equal part is more, i.e. N value is bigger, and dispersion degree of the obtained Ti element in furnace charge more levels off to true value, the knot of evaluation
Fruit is more accurate.
In the present embodiment, the granularity of the titaniferous ore sample of selection is 5~20mm, sample size >=1kg.
It is because the titaniferous furnace charge in the particle size range has preferable furnace retaining that titaniferous ore sample granularity, which selects 5~20mm,
Effect selects the titaniferous ore sample of the particle size range to be tested to keep test result representative.Sample size is too small
It will affect equal part quantity, the representative of test result made to be deteriorated.
Step S120: Surface scan is carried out to the test sample using scanning electron microscope (SEM), obtains Ti member vegetarian noodles
Scanning figure；
In the step s 120, determine Ti element within the scope of whole visual field to Surface scan is carried out after test sample sample preparation
Dispersity avoids drain sweep from causing error to result, keeps evaluation result more accurate, and intercepts Ti element surface scan figure.Wherein,
Method for making sample specifically: test sample is cut open by centre, then inlayed, roughly ground, fine grinding, polishing, the processes such as drying,
Obtain observation sample.
Step S130: gridding processing is carried out to the Surface scan figure, obtains Surface scan grid chart；
Specifically, the gridding processing is the grid for drawing several homalographics in the Surface scan figure.Triangle, four
The polygonal mesh such as side shape, pentagon, but for the ease of drawing and calculating the number of grids, grid is preferably quadrangle, more
Add and is preferably square.
In the present embodiment, total grid number >=64 of drafting.Grid number is very little, grid shared by the Ti element that can make
Number error increases, so that dispersion degree error of the Ti element in furnace charge be made to increase, causes evaluation result inaccurate.Therefore, it limits
Fixed total grid number >=64, grid number is more, and dispersion degree error of the obtained Ti element in furnace charge is smaller, and the result of evaluation is more quasi-
Really.
Step S140: according to the ratio of the total grid number of the number of grids Zhan shared by Ti element in the Surface scan grid chart,
Obtain dispersion degree of the Ti element in furnace charge.
Specifically, marking the grid of the element containing Ti in the Surface scan grid chart, accounted for according to the grid number of the element containing Ti
The ratio of total grid number calculates separately the Ti element dispersion degree of each test sample, and calculates test examination according to test sample number
The average value of the Ti element dispersion degree of sample, the dispersion degree using the average value as Ti element in furnace charge.
Wherein, the Ti element dispersion degree of the test sample is calculated with specific reference to following formula:
In formula (1): DiFor the Ti element dispersion degree of test sample, %；ATiFor the Ti element grid number of test sample, a net
Lattice；A0For total grid number of test sample, a grid.
Specifically, Ti element is presented in the form of bright spot under Scanning Electron microscope, therefore need to will only be contained in total grid
There is the grid of Ti element bright spot that record is marked, so that it may obtain the Ti element grid number A of test sampleTi。
Wherein, dispersion degree of the Ti element in furnace charge is the average value of the Ti element dispersion degree of each test sample, tool
Body calculates according to the following formula:
In formula (2): DTi in burdenFor dispersion degree of the Ti element in furnace charge, %；DiDisperse for the Ti element of test sample
Degree, %；N is test sample number, the i.e. isodisperse of titaniferous ore sample.
In the present embodiment, dispersion degree D of the Ti element in furnace charge is obtainedTi in burden, value is bigger, shows Ti element point
Scattered degree is higher, considers that the reduction of titanium-containing oxide is easier from aerodynamic point, such titanium ore furnace retaining effect is more obvious.
Through the above as can be seen that the present embodiment obtains titaniferous ore progress Surface scan by scanning electron microscope
Ti member vegetarian noodles surface sweeping figure is obtained, according to Ti element ratio shared in Surface scan figure, quantitatively calculates Ti element in titaniferous furnace charge
Dispersion degree, dispersion degree is bigger, shows that the degree of scatter of Ti element is higher, and then realize from aerodynamic point effective evaluation
Titaniferous furnace charge is used for Ti element application efficiency height when furnace retaining, thus for the different types of titanium resource of evaluation provide in addition to ingredient,
The evaluation method of more closing to reality application outside price.
It is for a more detailed description to the present invention by the following examples.These embodiments are only to the best embodiment party of the present invention
The description of formula does not have any limitation to the scope of the present invention.
Embodiment 1
Randomly select >=3kg granularity in the titanium resource A of 5~20mm, chosen from every part at random after trisection is carried out to it
One titanium ore is denoted as A as test sample1、A2、A3；
First to A1Scanning electron microscope analysis is carried out after sample sample preparation, obtains the Surface scan figure of the element containing Ti；
To A1The face surface sweeping figure of sample carries out gridding processing, as shown in Fig. 2, remembering that total grid number is A0=96；To containing Ti member
The grid of plain bright spot is recorded, grid number ATi=96；
A is calculated according to formula (1)1The Ti element dispersion degree D of sampleA1=100%.
According still further to the A of same procedure two equal part other to titanium resource A2、A3It carries out Ti element dispersion degree to calculate, obtains DA2=
97.92%, DA3=93.75%.Then dispersion degree D of the Ti element of titanium resource A in furnace chargeA Ti in burden=(DA1+DA2+
DA3)/3=97.22%.
Embodiment 2
Randomly select >=2kg granularity in the titanium resource B of 5~20mm, chosen from every part at random after trisection is carried out to it
One titanium ore is denoted as B as test sample1、B2、B3。
To B1Scanning electron microscope analysis is carried out after sample sample preparation, obtains the Surface scan figure of the element containing Ti；
To B1The face surface sweeping figure of sample carries out gridding processing, as shown in figure 3, remembering that total grid number is A0=96；To containing Ti member
The grid of plain bright spot is recorded, grid number ATi=34；
B is calculated according to formula (1)1The Ti element dispersion degree D of sampleB1=35.42%.
According still further to the B of same procedure two equal part other to titanium resource B2、B3It carries out Ti element dispersion degree to calculate, obtains DB2=
31.25%, DB3=37.50%.Then dispersion degree D of the Ti element of titanium resource B in furnace chargeB Ti in burden=(DB1+DB2+
DB3)/3=34.72%.
The furnace retaining effect of dispersion degree and the titanium resource of the Ti element calculated according to present invention method in furnace charge
It is with uniformity, show that the evaluation method of Ti element dispersion degree in titaniferous furnace charge provided in an embodiment of the present invention being capable of accurate quantitative analysis
Dispersion degree of the Ti element in furnace charge is evaluated, can be used to the furnace retaining effect for evaluating Ti element in titaniferous furnace charge, is the choosing of Ti resource
Offer judgment basis is provided.
The one or more technical solutions provided in the embodiment of the present invention, have at least the following technical effects or advantages:
The evaluation method of Ti element dispersion degree, chooses to be evaluated first in the titaniferous furnace charge provided in the embodiment of the present invention
Titaniferous ore sample, and by the random N equal part of the titaniferous ore sample, N >=2, and randomly select one from every part of sample and contain
Titanium ore is as test sample；Then Surface scan is carried out to the test sample using scanning electron microscope, obtains Ti element
Surface scan figure；Gridding processing is carried out to the Surface scan figure again, obtains Surface scan grid chart；Finally according to the Surface scan net
The ratio of the total grid number of the number of grids Zhan shared by Ti element in trrellis diagram obtains dispersion degree of the Ti element in furnace charge.In this way, right
Dispersion degree of the Ti element in titaniferous furnace charge carries out quantitative assessment, and dispersion degree is bigger, shows that the degree of scatter of Ti element is higher,
And then the furnace retaining effect of the Ti element from aerodynamic point effective evaluation titaniferous furnace charge is realized, it provides and sentences for the selection of Ti resource
Disconnected foundation.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (7)
1. the evaluation method of Ti element dispersion degree in a kind of titaniferous furnace charge characterized by comprising
Choose titaniferous ore sample to be evaluated, and by the random N equal part of the titaniferous ore sample, N >=2, and from every part of sample
In randomly select a titaniferous ore as test sample；
Surface scan is carried out to the test sample using scanning electron microscope, obtains Ti element surface scan figure；
Gridding processing is carried out to the Surface scan figure, obtains Surface scan grid chart；
According to the ratio of the total grid number of the number of grids Zhan shared by Ti element in the Surface scan grid chart, Ti element is obtained in furnace
Dispersion degree in material.
2. the evaluation method of Ti element dispersion degree in titaniferous furnace charge as described in claim 1, which is characterized in that described to contain titanium ore
The granularity of stone sample is 5~20mm.
3. the evaluation method of Ti element dispersion degree in titaniferous furnace charge as described in claim 1, which is characterized in that the gridding
Processing is the grid that several homalographics are drawn in the Surface scan figure.
4. the evaluation method of Ti element dispersion degree in titaniferous furnace charge as described in claim 1, which is characterized in that total grid
Number >=64.
5. the evaluation method of Ti element dispersion degree in titaniferous furnace charge as described in claim 1, which is characterized in that described according to institute
The ratio of the total grid number of the number of grids Zhan shared by Ti element in Surface scan grid chart is stated, dispersion of the Ti element in furnace charge is obtained
Degree, specifically:
The grid that the element containing Ti is marked in the Surface scan grid chart, according to the ratio of the total grid number of grid number Zhan of the element containing Ti
Example calculates separately the Ti element dispersion degree of each test sample, and the Ti element point of test sample is calculated according to test sample number
The average value of divergence, the dispersion degree using the average value as Ti element in furnace charge.
6. the evaluation method of Ti element dispersion degree in titaniferous furnace charge as claimed in claim 5, which is characterized in that the test examination
The Ti element dispersion degree of sample is calculated with specific reference to following formula:
In formula (1): DiFor the Ti element dispersion degree of test sample, %；ATiFor the Ti element grid number of test sample, a grid；A0
For total grid number of test sample, a grid.
7. such as the evaluation method of Ti element dispersion degree in titaniferous furnace charge described in claim 5 or 6, which is characterized in that the Ti
Dispersion degree of the element in furnace charge is calculated with specific reference to following formula:
In formula (2): DTiinburdenFor dispersion degree of the Ti element in furnace charge, %；DiFor the Ti element dispersion degree of test sample, %；
N is test sample number, the i.e. isodisperse of titaniferous ore sample.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372274A (en) * | 2015-10-30 | 2016-03-02 | 长安大学 | Method for evaluating dispersed state of nano ZnO in pitch |
| CN105424574A (en) * | 2015-11-10 | 2016-03-23 | 国网吉林省电力有限公司电力科学研究院 | Quantitative characterization method for foam aluminum alloy porosity and dispersity |
| CN106053316A (en) * | 2016-06-08 | 2016-10-26 | 燕山大学 | Program and calculation method for pore distribution and fractal of microstructure of soil mass |
Family Cites Families (1)
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372274A (en) * | 2015-10-30 | 2016-03-02 | 长安大学 | Method for evaluating dispersed state of nano ZnO in pitch |
| CN105424574A (en) * | 2015-11-10 | 2016-03-23 | 国网吉林省电力有限公司电力科学研究院 | Quantitative characterization method for foam aluminum alloy porosity and dispersity |
| CN106053316A (en) * | 2016-06-08 | 2016-10-26 | 燕山大学 | Program and calculation method for pore distribution and fractal of microstructure of soil mass |
Non-Patent Citations (2)
| Title |
|---|
| 含钛物料中护炉有效钛含量的控制模型;焦克新 等;《东北大学学报（自然科学版）》;20140831;第35卷(第8期);1160-1164 * |
| 用扫描电镜-图像分析方法研究某区稀土、铌矿石的元素赋存状态;任英忱 等;《岩石矿物及测试》;19850331;第4卷(第1期);45-50 * |
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