Iron ore sinter mixture distribution method

A technology for sintering mixtures and iron ore, which is applied in furnaces, lighting and heating equipment, furnace types, etc., can solve problems such as the inability to effectively realize fuel segregation and difficult control of magnetic field strength, and achieve improved stress conditions and moving rails, Effect of Improving Magnetic Susceptibility

Active Publication Date: 2012-09-19
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, this device can strengthen particle size segregation and achieve magnetic material segregation at the same time, but it cannot effe

Method used

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  • Iron ore sinter mixture distribution method
  • Iron ore sinter mixture distribution method
  • Iron ore sinter mixture distribution method

Examples

Experimental program
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Effect test

Embodiment 1

[0038] See attached Figure 4 , a distributing device for iron ore sintering mixture in the present invention, comprising a round roller feeder-reflecting plate distributor, the distributing roller in the round roller feeder is provided with a permanent magnet composed of alternating polarities Magnetic system, the reflective plate in the reflective plate distributor is below the horizontal axis of the distribution roller and parallel to the tangent line passing the circumference below the horizontal axis of the distribution roller, and the axis of the reflective plate is in line with the moving direction of the sintering machine trolley The included angle α is 45°; the magnetic system is composed of 6 NdFeB permanent magnets with alternating polarities, and the magnetic field strength formed on the circumferential surface of the distribution roller is 300Gs~2000Gs, and the distribution range on the circumferential surface of the distribution roller is The contact point betwee...

Embodiment 2

[0040] See attached Figure 4 , a distributing device for iron ore sintering mixture in the present invention, comprising a round roller feeder-reflecting plate distributor, the distributing roller in the round roller feeder is provided with a permanent magnet composed of alternating polarities Magnetic system, the reflective plate in the reflective plate distributor is below the horizontal axis of the distribution roller and parallel to the tangent line passing the circumference below the horizontal axis of the distribution roller, and the axis of the reflective plate is in line with the moving direction of the sintering machine trolley The included angle α is 45°; the magnetic system is composed of 6 NdFeB permanent magnets with alternating polarities, and the magnetic field strength formed on the circumferential surface of the distribution roller is 300Gs~2000Gs, and the distribution range on the circumferential surface of the distribution roller is The contact point betwee...

Embodiment 3

[0042] See attached Figure 4 , a distributing device for iron ore sintering mixture in the present invention, comprising a round roller feeder-reflecting plate distributor, the distributing roller in the round roller feeder is provided with a permanent magnet composed of alternating polarities Magnetic system, the reflective plate in the reflective plate distributor is below the horizontal axis of the distribution roller and parallel to the tangent line passing the circumference below the horizontal axis of the distribution roller, and the axis of the reflective plate is in line with the moving direction of the sintering machine trolley The included angle α is 45°; the magnetic system is composed of 6 NdFeB permanent magnets with alternating polarities, and the magnetic field strength formed on the circumferential surface of the distribution roller is 300Gs~2000Gs, and the distribution range on the circumferential surface of the distribution roller is The contact point betwee...

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Abstract

The invention discloses an iron ore sinter mixture distribution method. By adopting a mixture preparation technology of pre-mixing magnetite concentrate and coke powder and a matched mounting mode with a round roller, a magnetic system and a reflecting plate, the particle size segregation, the fuel segregation and the segregation of materials such as the magnetite concentrate and the like in the mixture distribution can be enhanced; the air permeability of a sinter bed can be further improved by enhancing the particle size segregation; through the enhancement of the fuel segregation, the heatdistribution is more reasonable, the uniform-heat sintering is realized, and the fuel usage is reduced; and through the segregation of the magnetite concentrate, the oxidation of the magnetite is sufficiently utilized to release heat, so that the heat accumulation effect is enhanced, and the fuel usage is further reduced. The method disclosed by the invention can comprehensively improve the air permeability, the heat distribution and the heat transfer condition of the sinter bed, reduce the fuel usage and obviously improve the yield and quality indexes of sinter; and the indexes such as the vertical sintering speed, the sintering machine utilization coefficient, the finished sintering product rate, the sinter tumbler strength, the reducing degree and the like can be improved to different degrees.

Description

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Claims

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Application Information

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Owner CENT SOUTH UNIV
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