Method for measuring content of titanium dioxide in mixture of high-titanium slag and petroleum coke
A technology for titanium dioxide and petroleum coke, applied in the field of titanium dioxide, can solve the problems of long time consumption, high detection cost, complicated analysis steps and the like, and achieve the effects of simple operation and low detection cost
Inactive Publication Date: 2017-01-11
PANZHIHUA STEEL ENTERPRISES XINYU CHEM
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[0003] At present, ferric ammonium sulfate titration and loss on ignition method are used to detect titanium dioxide content in high titanium slag and petroleum coke mixture. These two detection methods are accurate, but time-consuming (generally, it takes 2 hours to detect a sample), analysis steps It is cumbersome, and the detection cost is high, the labor intensity is high, and it cannot meet the requirements of industrial rapid detection
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[0016] The method for calculating the titanium dioxide content in the high titanium slag and petroleum coke mixture of the present invention specifically comprises the following steps:
[0017] A. Calculate the bulk specific gravity and titanium dioxide content of at least three high-titanium slag and petroleum coke mixture samples. At least three samples, preferably as many as possible, a large number of samples. The calculation method of the bulk specific gravity of the sample can first sample the high-titanium slag and petroleum coke mixture, after uniform shrinkage, use a 100ml measuring cylinder to measure 100ml of the sample, and select a balance with an accuracy of one thousandth of a gram to weigh, and then calculate The bulk specific gravity of the high titanium slag and petroleum coke mixture to be tested. For the titania content of the sample, choose ferric ammonium sulfate titration method or ignition loss method to detect to ensure the accuracy.
[0018] B. Take...
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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 [0001] The invention relates to a method for measuring and calculating titanium dioxide in high titanium slag and petroleum coke mixture in the production of titanium tetrachloride. Background technique [0002] The main industrial raw materials of titanium tetrachloride production enterprises are high-titanium slag and petroleum coke. High-titanium slag and petroleum coke are mixed in a certain proportion to obtain a mixture, and then enter the chlorination furnace. In order to realize the normal operation of the chlorination furnace, it is particularly important to control the ratio of the mixture in the production process. Therefore, the detection of titanium dioxide content in the mixture is a daily process control parameter. [0003] At present, ferric ammonium sulfate titration and loss on ignition method are used to detect titanium dioxide content in high titanium slag and petroleum coke mixture. These two detection methods are accurate, but time-cons...
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Login to View More IPC IPC(8): G06F19/00G01N5/00
CPCG01N5/00G16Z99/00
Inventor 石玉英张建安张宇
Owner PANZHIHUA STEEL ENTERPRISES XINYU CHEM