Installation for the incineration of household refuse and industrial waste

Claim 1

In an installation for the incineration of household refuse and industrial waste, including an oven having therein a chamber for the combustion of refuse and waste, means for introducing liquid or gaseous fuel into said combustion chamber, thermostat means for maintaining the temperature of said combustion chamber at at least 800* C, a post-combustion chamber for burning gases received from said combustion chamber, and a chimney for evacuating burnt gases from said post-combustion chamber, the improvement comprising: said oven having a substantially cylindrical exterior shape; said combustion chamber comprising an upper part having a substantially ellIptical transverse cross-sectional shape, and a lower recessed part; a grid means positioned within said combustion chamber and separating said upper and lower parts thereof for receipt of said refuse and waste; said combustion chamber having therein an outlet; an ash conveyor means mounted in said lower part beneath said grid means for receipt of ashes therethrough and for conveying said ashes to said outlet; air inlet means for supplying combustion air into said lower part and to pass said air upwardly through said grid means and said refuse and waste; a panel of venturi filters positioned between said combustion chamber and said post-combustion chamber; and a cooling section in said chimney for cooling said burnt gases received therein from said post-combustion chamber.