Waste-throughput limiting control
AssigneeVon Roll Umwelttechnik AG
InventorJosef Mercx
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Abstract
Waste-throughput limiting control device (MBR) comprising at least one averaging unit (ME), a waste-throughput limiting controller (MBr) and a minimum unit (MIN). Starting from a waste weight (MG) applied to a charging system of the waste incineration plant and a predetermined maximum waste throughput, the waste-throughput limiting control device (MBR) adapts a steam output setpoint (DS). which is intended for further processing at a downstream primary combustion control (FLR), in such a way that an economically appropriate (time-limited) operation, acceptable from the plant engineering point of view, within a defined overload region is made possible and prolonged overloading due to an unhindered increase in the waste feed during the incineration of waste having a low calorific value is efficiently prevented.
Claims19
A method of operating a waste incineration plant, in which method prolonged overloading on account of an unhindered increase in a waste feed during the incineration of waste having a low calorific value (HO) is prevented by adapting a steam output setpoint (DS) of a primary combustion control (FLR), wherein, starting from at least two input signals, namely a waste weight (MG) applied to a charging system of the waste incineration plant and a predetermined maximum waste throughput (MDmax), the steam output setpoint (DS), for further processing in the primary combustion control (FLR), is adapted in such a way that, at an averaged waste throughput (gMD) which is determined as a function of the waste weight (MG) and is greater than a limit value dependent upon the maximum waste throughput (MDmax), the steam output setpoint (DS) is reduced.
Dependencies are inferred from the claim text.