Disposing of fly ash in power plants is a very important operation that not only saves fly ash storage space, but also generates fly ash revenue and recycling. Graded with different fineness grades, fly ash can be used in a variety of industries.
The fly ash rating system is a closed circuit circulation system. The crude oil fly ash from the crude oil silo enters the negative pressure conveying pipe evenly through an electric lock (VVVF), and the fly ash and airflow are mixed evenly in the piping forming a gaseous solid two-phase flow and then sucked into the grading system. High pressure suction centrifugal blower for grading and separation. The larger size fly ash enters the raw material storage silo through a tongue plate locking degasser. The relatively fine ash enters the two-stage cyclone separator along with the airflow for higher efficient separation. The separated fine ash enters the fine ash storage silo through the tongue plate lock degasser. Part of the airflow with minimal ash powder goes back to the crude fly ash piping for separation and part of the airflow goes into the crude fly ash silo where it is purified by the silo dust collector.
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