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Method for roasting vanadium titanium pellet through sintering cup

A sintering cup and roasting technology, which is applied in the field of sintering cup roasting vanadium-titanium pellets, to achieve the effects of obvious solid-phase crystallization of pellets, large production capacity, and sufficient oxidizing atmosphere

Active Publication Date: 2019-07-26
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

What the applicant needs is a pellet roasting method that can meet the needs of specific experimental research. The above-mentioned roasting process is only suitable for the production line, and is not suitable for the situation where there is no corresponding roasting equipment.

Method used

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  • Method for roasting vanadium titanium pellet through sintering cup
  • Method for roasting vanadium titanium pellet through sintering cup

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] After selecting high-grade ultra-fine-grained vanadium-titanium magnetite concentrate according to the ratio in the above content, mix evenly with the ratio of 96% vanadium-titanium magnetite concentrate, 2% binder, and 2% solvent, and then mix evenly The raw materials are added to the disc pelletizer for pelletizing, and the moisture content of the pellets is controlled at 8%; the raw pellets produced by the disc pelletizer are screened for particle size, and the green pellets with a particle size of 8-16mm are selected as the pellets to be roasted. The raw balls less than 8mm are used as cue balls to return to the pelletizing plate for further growth; place a grating bar in the sintering cup, and the grating bar is 500mm away from the mouth of the sintering cup, and lay cooked balls with a height of 20mm on the grating bar of the sintering cup; The center position of the bar is the center of the circle and a retaining ring is placed. The size of the retaining ring is θ...

Embodiment 2

[0038] After selecting high-grade ultra-fine-grained vanadium-titanium magnetite concentrate according to the ratio in the above content, mix evenly with the ratio of 97% vanadium-titanium magnetite concentrate, 1% binder, and 2% solvent, and then mix evenly The raw materials are added to the disc pelletizer for pelletizing, and the moisture content of the pellets is controlled at 8%; the raw pellets produced by the disc pelletizer are screened for particle size, and the green pellets with a particle size of 8-16mm are selected as the pellets to be roasted. The raw balls smaller than 8mm are used as cue balls to return to the pelletizing plate for further growth; place a grating bar in the sintering cup, the grating bar is 500mm away from the mouth of the sintering cup, and lay cooked balls with a height of 22mm on the grating bar of the sintering cup; The center position of the bar is the center of the circle and a retaining ring is placed. The size of the retaining ring is θ2...

Embodiment 3

[0040] After selecting high-grade ultra-fine-grained vanadium-titanium magnetite concentrate according to the ratio in the above content, mix it evenly with the ratio of 98% vanadium-titanium magnetite concentrate, 2% binder, and 0% solvent. The raw materials are added to the disc pelletizer for pelletizing, and the moisture content of the pellets is controlled at 8%; the raw pellets produced by the disc pelletizer are screened for particle size, and the green pellets with a particle size of 8-16mm are selected as the pellets to be roasted. The raw balls smaller than 8mm are used as cue balls to return to the pelletizing plate for further growth; place a grating bar in the sintering cup, and the grating bar is 500mm away from the mouth of the sintering cup, and lay cooked balls with a height of 25mm on the grating bar of the sintering cup; The center position of the bar is the center of the circle and a retaining ring is placed. The size of the retaining ring is θ280×450mm. Coo...

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Abstract

The invention discloses a method for roasting vanadium titanium pellet through a sintering cup. The method can be suitable for being used in an experiment chamber without a professional roasting device and can roast the pellet suitable for the experimental research requirement. The dedicated pellet roasting device is not needed, through the sintering cup and the specific pellet distributing manner, the pellet sintering capable of meeting the experimental research requirement can be finished, the produced pellet is sufficient in oxidizing atmosphere, the pellet solid phase crystallization is obvious, one-time production amount is large, and the detection and research work of the experiment chamber for various indexes and metallurgical performance of the pellet can be met.

Description

technical field [0001] The invention relates to the field of iron and steel metallurgy, in particular to a method for roasting vanadium-titanium pellets in a sintering cup. Background technique [0002] Due to the close intergrowth of iron and titanium in the iron ore mined by the applicant unit, the iron and titanium cannot be effectively separated by grinding during the beneficiation process. Most of the titanium exists in the form of ilmenite spar and enters the concentrate together with the iron. The vanadium-titanium magnetite concentrate is formed, the titanium in the iron concentrate is as high as 10%, and the iron content is only 54%. The sintering of this raw material needs to be mixed with a relatively high proportion of imported ore powder and domestic high powder to improve the sintering. Iron grade. However, the applicant unit is located inland, and the logistics cost of imported ore transportation is as high as 300 yuan per ton, and the logistics cost of domes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B1/242C22B1/02C22B1/22
CPCC22B1/02C22B1/22C22B1/2406C22B1/242
Inventor 胡鹏饶家庭王禹键付卫国
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP