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Steelmaking slag treatment dust removing system of AOD furnace

A dust removal system, steel slag technology, applied in the direction of combination device, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of bag hardening and lower dust removal efficiency

Inactive Publication Date: 2016-07-13
WUXI SANDA ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For dust treatment, modern technology generally tends to bag dust removal, because of its high dust removal efficiency, but if the dust contains a lot of water vapor, using bag dust removal will easily cause the bag to harden and greatly reduce the dust removal efficiency and the service life of the bag.

Method used

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  • Steelmaking slag treatment dust removing system of AOD furnace

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with specific drawings.

[0013] Such as figure 1 As shown: the AOD furnace steelmaking steel slag treatment dust removal system includes a water film dust collector 1, a discharge port dust cover 2, a discharge port dust removal pipe 3, a hopper dust cover 4, a hopper dust removal pipe 5, and a centralized main pipe 6 , cyclone dust collector 7, cyclone cylinder 7-1, volute 7-2, ash collecting hopper 7-3, flapper valve 8, collection buried scraper machine 9, fan 10, steel slag hopper 11, steel slag discharge port 12 etc.

[0014] Such as figure 1 As shown, the present invention comprises a hopper dust suction cover 4 and a discharge port dust suction cover 2, the hopper dust suction cover 4 is arranged at the steel slag feeding hopper 11, the hopper dust suction cover 4 is connected to the hopper dust removal pipeline 5, and the discharge port suction The dust cover 2 is set at the steel slag disch...

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Abstract

The invention relates to a steelmaking slag treatment dust removing system of an AOD furnace.The steelmaking slag treatment dust removing system comprises a hopper dust suction hood and a discharging port dust suction hood, and is characterized in that the hopper dust suction hood is arranged on a slag feeding hopper and connected with a hopper dust removing pipeline, the discharging port dust suction hood is arranged at a slag discharging port and connected with a discharging port dust removing pipeline, the discharging port dust removing pipeline is communicated with the hopper dust removing pipeline, the hopper dust removing pipeline is connected with a concentration main pipeline, and the concentration main pipeline is communicated with an air inlet of a cyclone dust remover.An air outlet of the cyclone dust remover is communicated with a draught fan.An air outlet of the draught fan is provided with a water membrane dust remover.The steelmaking slag treatment dust removing system of the AOD furnace is compact in designed structure, capable of saving ground, and high in stability, reliability and dust removing efficiency due to the fact that the unique smoke dust purifying system is arranged oriented to slag features of the AOD furnace.

Description

technical field [0001] The invention relates to a dust removal system, in particular to a dust removal system for processing steelmaking slag in an AOD furnace. Background technique [0002] AOD furnace is the refining equipment of argon oxygen refining method. Steel slag specifically refers to the slag discharged during the steelmaking process, mainly refers to the oxides formed after the elements in the metal charge are oxidized during the blowing process, the eroded furnace lining materials and furnace materials, and impurities brought in by the metal charge And slag-making materials specially added to adjust the properties of steel slag. Generally, the amount of slag is 8%-15% of the steel output. This part of iron is also a considerable resource, so manufacturers generally recover some scrap steel or strong magnetic substances with high iron content through sorting, screening, magnetic separation, etc., and recycle steel slag, which can be returned to sintering, blast...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00C21C7/072
CPCC21C7/072B01D50/40
Inventor 曹春华陆俊杰肖亚娟
Owner WUXI SANDA ENVIRONMENTAL PROTECTION TECH CO LTD
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