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Sintering quicklime digestion device and method

A technology for quicklime and raw materials, applied in the field of sintering process, can solve the problems of easy blockage of the device, troublesome operation, difficult to implement, etc., and achieve the effect of uniform distribution of CaO and good effect.

Active Publication Date: 2016-06-29
ANGANG STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned quicklime digestion methods all have problems such as difficult implementation, troublesome operation, and easy blockage of the device.

Method used

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  • Sintering quicklime digestion device and method

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Embodiment

[0021] On the basis of the original quicklime digestion device, that is, the raw material belt 1, the scraping groove plate 2 above, the rear flat material plate 6, and the quicklime disc distributor 3 and the discharge belt 4 below it, a quicklime flow divider is added to separate the quicklime flow. The device is composed of 3 distribution plates 5, which are arranged in three layers. The lower part of each distribution plate 5 is provided with a digestive water pipe 7 with the water outlet facing upward. The 3 distribution plates 5 are all made of 800mm wide and 10mm thick steel plates are welded, and the width is the same as that of the discharge belt 4 .

[0022] Scrape the raw material on the raw material belt 1 with the groove scraping plate 2, and then fill it with the quicklime disc distributor 3 and the discharge belt 4, and the filled quicklime is evenly distributed on the raw material after scraping the groove through 3 distribution plates 5 On the surface, the dig...

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Abstract

The invention relates to a sintering quicklime digestion device and method. The device comprises a raw material belt, a ditch scraping plate, a material flatting plate, a quicklime disc distributor and a discharge belt. At least one material distributing plate is inclinedly disposed between the discharge belt and the raw material belt, over two material distributing plates can adopt a layering setting form, and a digestion water pipe is disposed below each material distributing plate. The ditch scraping plate is employed to perform ditch scraping on raw materials, the quicklime disc distributor and the discharge belt are adopted for filling, layer-by-layer digestion is carried out according to a digestion water flow of 950-1000ml per kilogram of quicklime, and the material flatting plate is utilized to conduct material flatting and burying. According to the invention, by setting the quicklime shunt on the basis of an original sintering quicklime digestion device, layered group digestion of quicklime can be realized, so that quicklime digestion can be more complete, CaO in the raw materials can be distributed more uniformly, the sintering mixing granulating effect can be better, the sinter feed greater than 3mm particle fraction is increased by 5%, and the mixture temperature is raised from 62DEG C to 75DEG C.

Description

technical field [0001] The invention belongs to the technical field of sintering technology, and in particular relates to a device and method for digesting quicklime in sintering raw materials. Background technique [0002] Quicklime is one of the important raw materials for sintering and one of the fluxes for sintering, and it is the main source of CaO in sintering ore. At the same time, quicklime is also the main chemical raw material to increase the temperature of sintering raw materials, especially in northern sintering workshops. The heat energy provided by quicklime digestion accounts for a large part of the heat energy source of sintering materials. At present, the main methods of digestion of sintered quicklime are as follows: batching of sintered iron materials—ditching of raw material belt—adding quicklime—digestion with water pipes—raw material with scraper on raw material belt—mixing. This digestion method is simple and easy to operate. Iron and steel enterprise...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B2/08
Inventor 任伟张立国李金莲王亮韩子文张伟邓伟童晓宇
Owner ANGANG STEEL CO LTD
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