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Ore proportioning method suitable for titanium slag electric furnace smelting technology, and applications thereof

An electric furnace smelting and titanium slag technology, which is applied in the ore blending field of the titanium slag electric furnace smelting process, can solve the problems of low quality pass rate, need for improvement, and large fluctuations in the quality of titanium slag, and achieve safe operation, stable quality and continuous, The effect of expanding the use range of raw materials

Inactive Publication Date: 2017-06-16
YUNNAN METALLURGICAL XINLI TITANIUM IND CO LTD
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During this process, the quality of the produced titanium slag fluctuates greatly, and the qualified rate of quality is low
[0003] Therefore, the current electric furnace smelting method of titanium slag still needs to be improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] For ilmenite a and ilmenite b (the main content is as follows), it is required to produce titanium slag with a product grade > 82%, and to carry out ore blending according to the method of the present invention, specifically as follows:

[0033] TiO 2 %

Fe% Total non-ferrous impurities TiO 2 / Fe value

Titanium concentrate a 49 27 5 1.815 Titanium concentrate b 45 36 11 1.25

[0034] 1. Determine the theoretical maximum value of non-ferrous impurities in the titanium concentrate mixture

[0035] Calculate the theoretical maximum value of the non-ferrous impurity content in the titanium concentrate mixture based on the target grade of the titanium slag released from the furnace, and the calculation formula is as follows:

[0036] The theoretical maximum value of non-ferrous impurity content in the titanium concentrate mixture=(100%-the target grade of the titanium slag discharged from the furnace%-FeO%+Ti 2 o 3 Converted Ti...

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Abstract

The invention discloses an ore proportioning method suitable for titanium slag electric furnace smelting technology, and applications thereof. The ore proportioning method suitable for titanium slag electric furnace smelting technology comprises following steps: the mixing ratio of each titanium concentrate is determined based on the non-ferrous impurity content and the TiO2-Fe value of a plurality of titanium concentrates; and ore proportioning is carried out based on the mixing ratio of the titanium concentrates so as to obtain a titanium concentrate mixture. The ore proportioning method can be used for ore proportioning of titanium concentrates from different ore spots, the titanium concentrate mixture obtained via ore proportioning can be used for production so as to ensure stable and continuous quality of the titanium concentrates delivered into electric furnaces, stabilize the quality of discharged titanium slag, and reduce occurrence of severe technical accidents in furnace condition fluctuation process. The ore proportioning method is simple; operation is safe and convenient; practicability is high; and popularization is convenient.

Description

technical field [0001] The invention relates to an ore blending method suitable for the titanium slag electric furnace smelting process and its application. Background technique [0002] The production of titanium slag by electric furnace smelting titanium concentrate is very sensitive to the properties of raw materials. The smelting characteristics of different types and different origins of titanium concentrate are very different, requiring different operating systems and operating parameters. However, domestic titanium concentrates have the characteristics of large differences in ore quality and small batches of ore, which leads to frequent replacement of ore types during the process of smelting titanium slag in electric furnaces, and drastic changes in furnace conditions during the process of ore replacement, which easily induces collapse , foam slag and other serious process accidents. At the same time, the quality of titanium slag produced by different titanium concen...

Claims

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Application Information

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IPC IPC(8): C22B34/12
Inventor 刘平王倩常强王世武樊坤饶建熊剑昆
Owner YUNNAN METALLURGICAL XINLI TITANIUM IND CO LTD