Abstract: A device to force out the incineration ash in which the main shaft that turns in the positive and inverse directions at a fixed angle by means of a driving mechanism is installed horizontally in the main body case provided with an ash receiving chamber in which water is filled for extinguishing of burning, an inlet opening for the incineration ash discharged out of a refuse incinerator and an outlet opening for the incineration ash after extinguishing of burning; and a pusher to force out the incineration ash settled down on the bottom of the ash receiving chamber and a pressing plate to force down matter floating on the water surface in the ash receiving chamber are fitted on the main shaft that turns in the positive and inverse directions at a fixed angle so as to move the pusher forwards and backwards and the pressing plate upwards and downwards.