White smoke elimination system for blast furnace slag flushing dead steam

Abstract

The invention discloses a white smoke elimination system for blast furnace slag flushing dead steam, and belongs to the technical field of white smoke elimination of blast furnace slag flushing dead steam. The white smoke elimination system comprises a slag trough, a granulation tower, a granulation tower outlet water pipeline, a stirring cage, a stirring cage sealing cover, a dead steam pipeline, a stirring cage outlet water pipeline, a cooling tower, a slag flushing water supply pump, a slag flushing water supply pipeline, an environment-friendly condensation, dehumidification and white smoke elimination device, a condensate water collecting pipeline, a condensate water tank, a condensate water pressure pump and a condensate water conveying pipeline. The system has the advantage that the problems that the blast furnace slag flushing dead steam generation amount is large, the dead steam emission moisture content is large, corrosion and white smoke plume caused by chimney rain pollute the environment, and water resources are wasted are solved.

Description

technical field [0001] The invention belongs to the technical field of blast furnace slag flushing exhaust steam whitening technology, and particularly relates to a blast furnace slag flushing exhaust steam whitening system, that is, a blast furnace slag flushing exhaust steam "source dehumidification + condensation dehumidification + cyclone dehydration" Whitening system. Background technique [0002] At present, blast furnace slag flushing in domestic iron and steel plants is mainly in the form of water flushing slag, and a large amount of saturated exhaust steam will be generated during the slag flushing process. Due to the large amount of sulfate ions, chloride ions, slag wool and other emissions in the blast furnace slag flushing waste steam, it will cause corrosion to the equipment such as the casthouse shed, the front crane, and the slag discharge winch, which will affect the line of sight of each production post in front of the furnace. , causing a safety hazard. A...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a whitening system of "source dehumidification + condensation dehumidification + cyclone dehydration" for blast furnace slag flushing exhaust steam, which solves the problem of large amount of blast furnace exhaust steam slag flushing and large moisture content in exhaust steam discharge, "chimney The corrosion and "white smoke plume" brought by "rain" pollute the environment and cause problems such as waste of water resources

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