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Roughing furnace dust removal telescopic closed fume hood

A rough refining and fume hood technology, which is applied in furnaces, furnace components, waste heat treatment, etc., can solve the problems that are not suitable for factory use, input and output are not proportional, and cannot completely solve the problem of flue gas, so as to improve the effect of dust removal , The effect of convenient driving hanging bag

Active Publication Date: 2016-02-24
JIAOCHENG YIWANG FERROALLOY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, this method of increasing the designed air volume of the dust collector cannot completely solve the smoke generated by pit pouring, and the input and output of this improvement method are not proportional, so it is not suitable for factory use

Method used

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  • Roughing furnace dust removal telescopic closed fume hood
  • Roughing furnace dust removal telescopic closed fume hood
  • Roughing furnace dust removal telescopic closed fume hood

Examples

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Embodiment Construction

[0030] Such as Figure 1-Figure 3 As shown, this embodiment provides a dust-removing telescopic airtight fume hood for the refining furnace, including: a fume-collecting hood 1 that is movably arranged above the pit for covering the iron ladle in the pit and whose coverage area can be changed. The fume-collecting hood 1 is unfolded Afterwards, it can cover the entire pit, and after shrinking, it is located on the side of the pit away from the taphole; it is fixedly installed on the fume collecting hood 1, and can drive the driving device 2 that the fume collecting hood 1 expands and contracts.

[0031] When the telescopic airtight fume hood of the present invention is used, when the taphole begins to pour, the fume collecting hood 1 is unfolded to cover the whole pit, so that the whole pit is in a state of negative pressure, which can effectively improve the gas flow rate connected with the fume collecting hood 1. The dust collection effect of the dust collector and the dust r...

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Abstract

The invention belongs to the field of dust removal smoke hoods, particularly discloses a stretchable / retractable closed dust removal smoke hood for a rough smelting furnace, solves the problems in the prior art, and aims at providing the stretchable / retractable closed dust removal smoke hood for the rough smelting furnace, which is low in design cost and manufacturing cost, convenient to use, high in automation degree, large in dust collection coverage area, good in dust removal effect and quite applicable to pit-type pouring. The stretchable / retractable closed dust removal smoke hood for the rough smelting furnace comprises a smoke collection hood and a driving device, wherein the smoke collection hood is movably arranged above a pit and is used for covering ladles in the pit, and the coverage area is changeable; after being stretched, the smoke collection hood can cover the whole pit; after being retracted, the smoke collection hood is positioned on one side, far away from an iron outlet, of the pit; the driving device is fixedly arranged on the smoke collection hood and can be used for driving the smoke collection hood to be stretched and retracted.

Description

technical field [0001] The invention belongs to the field of dust removal fume hoods, in particular to a dust-removing telescopic airtight fume hood for roughing furnaces, which is an innovation in the production and emission reduction technology of the ferroalloy industry. It is designed and manufactured with low-cost investment without adding dust collectors. The smoke hood for pit casting, and the dust collection efficiency is as high as about 98%, creating a new equipment for pit casting and emission reduction in the ferroalloy industry. Background technique [0002] Pit pouring is to set three steps in the pit, place three iron ladles on the three steps respectively, and the three are facing each other. When pouring, the molten iron flows out from the taphole and directly flows into the iron ladle at the highest step. When the first iron ladle is full, the molten iron overflows from the mouth of the ladle and flows into the iron ladle on the second step. After that, it...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27D17/00
Inventor 韩兆伟常原勇常卫兵常原茂张东彪王利民李激光
Owner JIAOCHENG YIWANG FERROALLOY
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