Dust hood for blast furnace tap hole

A blast furnace iron tapping and dust removal hood technology, applied in dust collectors, discharge devices, etc., can solve problems such as difficult collection, excessive air, and increased energy consumption, and achieve the effects of improving collection efficiency, uniform suction, and eliminating disturbances
CN102586522AInactive Publication Date: 2012-07-18WISDRI ENG & RES INC LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
WISDRI ENG & RES INC LTD
Publication Date
2012-07-18
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a dust hood for a blast furnace tap hole. The dust hood for the blast furnace tap hole comprises a top-suction dust hood and a side-suction dust hood, wherein the top-suction dust hood is arranged above the outer side of the blast furnace tap hole, and the side-suction dust hood is arranged at one side of a molten iron trough, which is connected with the blast furnace tap hole; the top-suction dust hood comprises a first dust removal pipe and a first dust hood connected with the first dust removal pipe; the side-suction dust hood comprises a second dust removal pipe and a second dust hood connected with the second dust removal pipe; and the hood mouth of the side-suction dust hood is inclined. According to the dust hood for the blast furnace tap hole, the energy consumption can be reduced, the working environment of a casting house is improved and the smoke dust collection efficiency can be increased.
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Description

technical field

[0001] The invention relates to an environmental dust removal device for a blast furnace casthouse, in particular to a dust removal cover for a blast furnace taphole. Background technique

[0002] The smoke and dust pollution in the casthouse is serious. For every 1 ton of iron produced, about 2.5kg of smoke and dust are produced. The taphole is the main source of smoke and dust emitting pollutants in the casthouse, accounting for about 30% of the total pollutants. Effective dust removal at the taphole is important for improving the working conditions in front of the blast furnace and reducing the pollution of smoke and dust to the atmosphere. effect. The flue gas capture of the blast furnace taphole mostly adopts side suction or a combination of side suction and top suction. Side suction hoods are installed on both sides of the iron mouth. In order to ensure that the rising high-temperature flue gas can also be captured, the side suction hoods are generall...

Claims

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