Method and device for optimizing sintering moisture

A moisture and pre-sintering technology, which is applied in the sintering field, can solve problems such as air permeability deterioration, achieve the effects of optimizing air permeability, increasing sintering speed, and ensuring sintering quality and sintering speed

Active Publication Date: 2019-03-01
ZENITH STEEL GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terms of water distribution, generally speaking, the water distribution of the mixture and the air permeability of the material layer present an inverted V-shaped relationship; appropriately increasing the water content can help improve the ball-forming quality during the second mixing process and increase the air permeability of the material layer, but the water content is too high the air permeability deteriorates

Method used

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  • Method and device for optimizing sintering moisture
  • Method and device for optimizing sintering moisture
  • Method and device for optimizing sintering moisture

Examples

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Embodiment 1

[0014] see figure 2 with image 3 , a device for optimizing sintering water content, including batching chamber 1, primary cylinder mixer 2, secondary cylinder mixer 3, distribution mine tank 4, sintering machine 5, ring cooler 6 and three times The element vibrating screen 7 also includes an ejector 8 and an induced draft fan 9, the air inlet of the ejector is connected with the distribution mine trough, and the air outlet of the ejector is arranged above the cloth layer in the sintering machine; The air inlet is connected to the exhaust gas outlet at the end of the ring cooler, and the air outlet of the induced draft fan is connected to the distribution mine trough.

[0015] Based on the above-mentioned device for optimizing sintering moisture, a method for optimizing sintering moisture includes the steps of batching, mixing and granulating, preheating and distribution, ignition and sintering, cooling and screening. The purpose is to preheat the mixture by cooling the was...

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Abstract

The invention provides a method and device for optimizing sintering moisture and aims to preheat a mixture through cooling waste smoke, appropriate decrease moisture added for uniform granulation, reduce excessive moistening in the sintering process, accordingly improve the sintering speed of materials in the sintering process and play a sintering yield increase effects. The method comprises the steps of material preparation, uniform granulation, preheating and material distribution, ignition and sintering, cooling and screening. Steam produced by material preheating with waste gas is introduced to a sintered material layer by an ejector and is sprayed-blown to a material face. Finally, the method achieves sintering yield increase by optimizing reasonable moisture distribution in the sintering process.

Description

technical field [0001] The invention belongs to the field of sintering, in particular to a method and device for optimizing sintering moisture. Background technique [0002] The sintering process of iron ore powder is the process of sintering powdered ore or fine powder with flux and fuel to form ore; in this process, mixing and granulating is the key part, and various fine materials are mixed in the mixer Granulate into small balls of quasi-granules, and then sinter; the ratio of small balls + 3mm represents the quality of the granulation effect, and a good granulation effect helps to improve the air permeability of the mixture layer on the sintering trolley. Thereby, the sintering speed and output of the sintering machine can be increased. Many measures have traditionally been taken around improving the granulation effect, such as optimizing water distribution (see figure 1 ), change the filling rate and the speed of the mixer, use a strong mixing device or a pelletizing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B1/16
CPCC22B1/16
Inventor 裴元东张俊杰陈军召周翔管振列赵和平殷国富张巧玉张天啸刘桐李乾坤
Owner ZENITH STEEL GROUP CORP
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