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Ash discharger

The function of an ash discharger is to transport and remove the remaining slag after complete combustion. It also forms the seal between the combustion chamber (low pressure) and the environment outside the incinerator.
 
The air seal is guaranteed by a water bath, so air and gas leaks are prevented. The correct water level is maintained by a float switch valve.
 
The ash discharger is a well proven design. The drive is made by two hydraulic cylinders attached to a pusher which transfer the slag out of the water bath. The internal surfaces are lined with changeable wear plates, in order that they can be replaced if necessary, during a routine maintenance period.