AN ASH DISPOSAL SYSTEM FOR ASH DISCHARGED FROM THE FURNACE OF COAL FIRED STEAM GENERATORS

摘要

An ash disposal system for ash discharged from the furnaces of coal fired steam generators, comprising an ash hopper positioned beneath the combustion chamber into which the ash falls, means such as a water inlet pipe and a water outlet pipe provided for maintaining a given water level in the ash hopper, a discharge opening in the bottom of the ash hopper, through which the ash is discharged, screen means for separating ash from water, pipe means connecting the ash hopper discharge opening with the screen means, means such as a pipe line provided for adding transport water to the pipe means at a point adjacent the ash hopper discharge opening, means such as a pump provided for recycling the water separated in the screen means back to the point adjacent the ash hopper discharge opening, and means such as an outlet provided by which the separated ash can be discharged from the screen means.