CN106326686A - Method for measuring content of titanium dioxide in mixture of high-titanium slag and petroleum coke - Google Patents
Method for measuring content of titanium dioxide in mixture of high-titanium slag and petroleum coke Download PDFInfo
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- CN106326686A CN106326686A CN201611035058.5A CN201611035058A CN106326686A CN 106326686 A CN106326686 A CN 106326686A CN 201611035058 A CN201611035058 A CN 201611035058A CN 106326686 A CN106326686 A CN 106326686A
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- petroleum coke
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a method for measuring a content of titanium dioxide in a mixture of high-titanium slag and petroleum coke. The technical scheme includes that the method includes: measuring bulk specific weight and titanium dioxide content of at least three samples of the mixture of high-titanium slag and petroleum coke; taking a value of the bulk specific weight as a horizontal coordinate and corresponding titanium dioxide content as a vertical coordinate, and performing regression analysis to obtain a regression equation; measuring the bulk specific weight of the to-be-tested mixture of high-titanium slag and petroleum coke, substituting into the regression equation, and finally calculating the titanium dioxide content of the to-be-tested mixture of high-titanium slag and petroleum coke. Generally, measurement of the bulk specific weight of one sample only needs 2min, simplicity in operation is realized, consumption of any chemical agents is avoided, low test cost is realized, and labor intensity of test and inspection personnel is relieved while test cost is saved; errors of measurement results are in a range of +/-0.5% which is within a constant test error range, and industrial production requirements are completely met.
Description
Technical field
The present invention relates to a kind of in titanium tetrachloride produces, the side of titanium dioxide in measuring and calculating high titanium slag and petroleum coke compound
Method.
Background technology
The key industry raw material of titanium tetrachloride manufacturing enterprise is that high titanium slag and petroleum coke, high titanium slag and petroleum coke are by a definite proportion
Example mixes to obtain compound, enters back into chlorination furnace.In order to realize the properly functioning of chlorination furnace, production process controls joining of compound
Ratio is particularly important.So, in compound, the detection of content of titanium dioxide belongs to everyday process control parameter.
At present, detecting content of titanium dioxide in high titanium slag and petroleum coke compound uses ammonium ferric sulfate titrimetry and calcination to subtract
Mensuration, both detection methods detect accurately, but time-consuming length (typically detecting a sample to need 2 hours), analytical procedure are loaded down with trivial details,
And testing cost is high, labor intensity is big, it is impossible to adapt to the requirement of industry quickly detection.
Summary of the invention
The present invention provides a kind of method of content of titanium dioxide in quick measuring and calculating high titanium slag and petroleum coke compound.
The technical solution adopted for the present invention to solve the technical problems is: dioxy in measuring and calculating high titanium slag and petroleum coke compound
The method changing Ti content, comprises the following steps:
A. at least three high titanium slag and the bulk density of petroleum coke compound sample, content of titanium dioxide are calculated；
B. with the value of bulk density as abscissa, with corresponding content of titanium dioxide as vertical coordinate, tried to achieve by regression analysis
Regression equation；
C. calculate high titanium slag to be measured and the bulk density of petroleum coke compound, and bring above-mentioned regression equation into, calculate to be measured
High titanium slag and the content of titanium dioxide of petroleum coke compound.
The density of high titanium slag is much larger than petroleum coke density, and the ratio that in high titanium slag and petroleum coke compound, high titanium slag accounts for is more
Height, the bulk density of compound will be the biggest.Owing to content of titanium dioxide is directly proportional to the content of high titanium slag, so high titanium slag and stone
In oil coke compound compound, content of titanium dioxide is directly proportional to compound bulk density.Above-mentioned measuring and calculating high titanium slag and petroleum coke mixing
In material, the method for content of titanium dioxide is rational.
Further: in step A, measuring and calculating content of titanium dioxide uses ammonium ferric sulfate titrimetry or burning decrement method.
Further: in step B, before carrying out regression analysis, first cast out exceptional value.
Further: in step B, described regression equation is unary linear regression equation.
Specifically, described unary linear regression equation is y=39.6225 x+0.1485.
Further: in step A and step C, the measuring method of bulk density is: first to high titanium slag to be measured and petroleum coke
Compound samples, and after uniform division, measures the sample of 100ml, and the balance selecting precision to be one thousandth gram with 100ml graduated cylinder
Weigh, then calculate high titanium slag to be measured and the bulk density of petroleum coke compound.
The invention has the beneficial effects as follows: in measuring and calculating high titanium slag and petroleum coke compound, the method for content of titanium dioxide is drawing
After regression equation, it is only necessary to measuring and calculating high titanium slag and the bulk density of petroleum coke compound sample, two can be calculated rapidly and accurately
Titanium oxide content.One sample of general measuring and calculating has only to 2min, the most simple to operate, and without using any chemical drugs,
Testing cost is low, the labor intensity of reducing identifier while saving testing cost.Results of measuring error (± 0.5%) exists
Within constant detection range of error, fully meet demand of industrial production.
Detailed description of the invention
The present invention calculates the method for content of titanium dioxide in high titanium slag and petroleum coke compound, specifically includes following steps:
A. at least three high titanium slag and the bulk density of petroleum coke compound sample, content of titanium dioxide are calculated.Sample is extremely
Few three, it is preferably selected as far as possible many, substantial amounts of sample.The measuring and calculating mode of the bulk density of sample can be first to high titanium slag and petroleum coke
Compound samples, and after uniform division, measures the sample of 100ml, and the balance selecting precision to be one thousandth gram with 100ml graduated cylinder
Weigh, then calculate high titanium slag to be measured and the bulk density of petroleum coke compound.The content of titanium dioxide of sample, selects ammonium ferric sulfate
Titrimetry or the detection of burning decrement method, to ensure precision.
B. with the value of bulk density as abscissa, with corresponding content of titanium dioxide as vertical coordinate, tried to achieve by regression analysis
Regression equation.In order to improve the correlation coefficient of matching, before carrying out regression analysis, first cast out exceptional value.The selection of regression equation can
Selecting the regression equation that correlation coefficient is the highest, such as, select unary linear regression equation y=a x+b, wherein a and b is matching ginseng
Number.
C. calculate high titanium slag to be measured and the bulk density of petroleum coke compound, and bring above-mentioned regression equation into, calculate to be measured
High titanium slag and the content of titanium dioxide of petroleum coke compound.Correspondingly, first high titanium slag to be measured and petroleum coke compound are taken
Sample, after uniform division, measures the sample of 100ml, and the balance selecting precision to be one thousandth gram is weighed with 100ml graduated cylinder, then
Calculate high titanium slag to be measured and the bulk density of petroleum coke compound.
Specifically, high titanium slag and the heap ratio of petroleum coke compound sample are detected by bulk density method and ammonium ferric sulfate titrimetry
Weight, content of titanium dioxide, choose 60 groups of sample datas, cast out exceptional value, retain 20 groups of data, and these 20 groups of data are selected unitary
Equation of linear regression y=a x+b carries out regression analysis, tries to achieve regression equation y=39.6225 x+0.1485, and wherein y represents
Needing the content of titanium dioxide of measuring and calculating, x represents the value of bulk density.Additionally choose 30 groups of parallel sampless, with bulk density method and sulphuric acid
Ferrum ammonium titrimetry the detection bulk density of sample, the measured value of content of titanium dioxide, and calculate according to above-mentioned regression equation
To the value of calculation of content of titanium dioxide, result is as shown in table 1.
Table 1 tests data and result of calculation
According to table 1 it can be seen that the present invention calculates the method meter of content of titanium dioxide in high titanium slag and petroleum coke compound
Calculate result and error within constant detection range of error (± 0.5%).Owing to the bulk density method detection time has only to 2 minutes,
With ammonium ferric sulfate titrimetry needs to compare for two hours, the present invention substantially reduces the detection time, improves detection efficiency, reduces
Site Detection personnel labor intensity.
Claims (6)
1. calculate the method for content of titanium dioxide in high titanium slag and petroleum coke compound, it is characterised in that: comprise the following steps:
A. at least three high titanium slag and the bulk density of petroleum coke compound sample, content of titanium dioxide are calculated；
B. with the value of bulk density as abscissa, with corresponding content of titanium dioxide as vertical coordinate, recurrence is tried to achieve by regression analysis
Equation；
C. calculate high titanium slag to be measured and the bulk density of petroleum coke compound, and bring above-mentioned regression equation into, the height calculating to be measured
Titanium slag and the content of titanium dioxide of petroleum coke compound.
2. calculating the method for content of titanium dioxide in high titanium slag and petroleum coke compound as claimed in claim 1, its feature exists
In: in step A, measuring and calculating content of titanium dioxide uses ammonium ferric sulfate titrimetry or burning decrement method.
3. calculating the method for content of titanium dioxide in high titanium slag and petroleum coke compound as claimed in claim 1, its feature exists
In: in step B, before carrying out regression analysis, first cast out exceptional value.
4. calculating the method for content of titanium dioxide in high titanium slag and petroleum coke compound as claimed in claim 1, its feature exists
In: in step B, described regression equation is unary linear regression equation.
5. calculating the method for content of titanium dioxide in high titanium slag and petroleum coke compound as claimed in claim 4, its feature exists
In: described unary linear regression equation is y=39.6225 x+0.1485.
6. calculating the method for content of titanium dioxide in high titanium slag and petroleum coke compound as claimed in claim 1, its feature exists
In: in step A and step C, the measuring method of bulk density is: first samples high titanium slag to be measured and petroleum coke compound, uniformly contracts
After Fen, measure the sample of 100ml with 100ml graduated cylinder, and the balance selecting precision to be one thousandth gram is weighed, then calculate to be measured
High titanium slag and the bulk density of petroleum coke compound.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035058.5A CN106326686A (en) | 2016-11-23 | 2016-11-23 | Method for measuring content of titanium dioxide in mixture of high-titanium slag and petroleum coke |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035058.5A CN106326686A (en) | 2016-11-23 | 2016-11-23 | Method for measuring content of titanium dioxide in mixture of high-titanium slag and petroleum coke |
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| CN106326686A true CN106326686A (en) | 2017-01-11 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005114328A3 (en) * | 2004-05-17 | 2006-04-13 | Heraeus Quarzglas | Quartz glass blank and method for producing said blank |
| CN102156083A (en) * | 2011-03-11 | 2011-08-17 | 长乐恒申合纤科技有限公司 | Method for testing content of titanium dioxide suspension |
| CN102207473A (en) * | 2010-03-30 | 2011-10-05 | 鞍钢股份有限公司 | Method for determining contents of titanium dioxide and vanadium pentoxide in vanadium-titanium pellet ore |
-
2016
- 2016-11-23 CN CN201611035058.5A patent/CN106326686A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005114328A3 (en) * | 2004-05-17 | 2006-04-13 | Heraeus Quarzglas | Quartz glass blank and method for producing said blank |
| CN102207473A (en) * | 2010-03-30 | 2011-10-05 | 鞍钢股份有限公司 | Method for determining contents of titanium dioxide and vanadium pentoxide in vanadium-titanium pellet ore |
| CN102156083A (en) * | 2011-03-11 | 2011-08-17 | 长乐恒申合纤科技有限公司 | Method for testing content of titanium dioxide suspension |
Non-Patent Citations (3)
| Title |
|---|
| 吴韶铭,等.: "重量法测定复方二氧化钛乳膏的含量", 《药物鉴定》 * |
| 姚虹.: "含钛高炉渣中二氧化钛含量分析方法研究", 《科技创新导报》 * |
| 廖华栋.: "攀钢高钛型高炉渣渣钛分离试验研究", 《中国优秀博硕士学位论文全文数据库（硕士） 工程科技I辑》 * |
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