Patent ID: 6797229
Filing Date: 2004-09-28
Classification: B08B,F27D

Abstract:
An apparatus for mechanically breaking up and detaching dust accretions created by process gases and accumulated on the inner walls of a suspension smelting furnace and/or a waste heat boiler permanently connected to the suspension smelting furnace, the apparatus comprising:at least one linearly-acting striker device utilizing a single linear actuator, the striker device being mounted on the outer surface of the wall of the suspension smelting furnace and/or waste heat boiler, in the vicinity of the connecting point of the suspension smelting furnace and the waste heat boiler, the at least one striker device, creating a mechanical impact effect and mechanical contact between the apparatus and at least one of the dust accretions; and a counterpart for the at least one linearly-acting striker device movably installed in an aperture provided in the wall of the suspension smelting furnace and/or the waste heat boiler to receive strokes caused by the striker device and in order to direct the strokes to the dust accretions accumulated in the suspension smelting furnace and/or waste heat boiler, the counter part for the striker device being installed through the wall of the suspension smelting furnace and/or the waste heat boiler in an aperture provided in the wall, an impact plate attached to the counterpart, the impact plate being installed on an inner side of the wall, aligned with the direction of the wall.