Sinter halide liquor spraying system

A spray system and halide technology, which is applied in the field of sinter halide solution spray system, can solve the problems that affect the low-temperature reduction pulverization performance of sinter, uneven adhesion of sinter, inconvenient use, etc., and improve the pulverization effect , Simple structure, easy to use

Inactive Publication Date: 2016-04-27
CHONGQING IRON & STEEL (GRP) CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, the halide solution is sprayed directly by spraying pipes before the sintered ore enters the blast furnace, and the sprayed sintered ore is directly sent to the blast furnace for ironmaking; Inhomogeneity affects the pulverization performance of the subsequent sinter at low temperature reduction
At the same time, in the prior art, the spraying liquid is generally directly purchased from the prepared calcium chloride solution and transported to the ironworks for use, which has the disadvantage of high cost and inconvenient use.

Method used

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  • Sinter halide liquor spraying system

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Embodiment Construction

[0033] The present invention will be further described in detail below in combination with a sinter conveying and processing system adopting the structure of the present invention and the accompanying drawings.

[0034] During specific implementation: if figure 1As shown, a sinter conveying and processing system adopting the structure of the present invention includes a sinter conveying belt 1 and a halide solution spraying system capable of spraying the sinter on the sinter conveying belt 1, and its characteristics are: It also includes a homogenizing silo 2, the upper inlet of the homogenizing silo 2 is connected with the discharge end of the sinter conveyor belt 1, and the outlet of the homogenizing silo 2 is connected with the blast furnace.

[0035] In this way, a homogenizing silo is added in front of the blast furnace. After the sinter is sprayed with halide by the halide solution (calcium chloride solution is used in this embodiment) spray system, since the sinter itse...

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Abstract

The invention discloses a sinter halide liquor spraying system. The sinter halide liquor spraying system comprises a spraying structure used for spraying sinters on a sinter conveying belt. The sinter halide liquor spraying system is characterized by further comprising a halide liquor preparation structure which is connected with the spraying structure through a water pump and a liquid delivery pipeline. The sinter halide liquor spraying system has the advantages that the system is simple in structure and convenient to use, on-site delivery of halide liquor can be achieved, cost is low, adhesion uniformity of the halide liquor to the sinters can be improved greatly, follow-up pulverization effect of the sinters is improved, and use of a blast furnace is facilitated.

Description

technical field [0001] The invention relates to a technology for pre-smelting sintered ore in an ironmaking blast furnace, in particular to a sintered ore halide solution spraying system. Background technique [0002] Sintering is to mix various powdery iron-containing raw materials with an appropriate amount of fuel and flux, and add an appropriate amount of water. After mixing and pelletizing, a series of physical and chemical changes will occur on the material on the sintering equipment, and the ore powder particles will be bonded. Blocks for use in ironmaking blast furnaces. At present, due to the severe situation in the iron and steel industry, optimization of sinter ore blending is often adopted to reduce production costs, which has brought about a certain degree of decline in sinter indicators, especially the low-temperature reduction and pulverization performance of sinter ore, which seriously restricts the next process of ironmaking blast furnace. Furnace is runnin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B1/00
CPCC22B1/00
Inventor 黎均红赵仕清魏功亮谭海波宋明明刘晶波张晓林黄岗曹养斋
Owner CHONGQING IRON & STEEL (GRP) CO LTD
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