Coal feeding amount optimization control method for unit bypass heat supply
A technology for optimizing control and coal supply, which is applied in the direction of combustion method, combustion control, and fuel supply adjustment, etc., can solve the problem that there is no targeted research on the optimal control method of coal supply, and achieve a simple and efficient on-site commissioning process. Good real-time performance and reduced labor intensity
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[0026] The present invention is a coal supply optimization control method for unit bypass heating. By optimizing the coal supply instruction control logic of the decentralized control system (DCS) of the heating unit, the heating unit can be operated under the bypass heating condition. It not only ensures the quality of heating supply but also automatically meets the requirements of power grid frequency regulation and peak regulation. The specific implementation steps include:
[0027] (1) Design the automatic control logic of the coal supply command for the bypass heating of the unit. The coal supply command of the unit bypass heating is formed by adding and summing four parts of the command, including the conversion of the heating load into the coal supply command and the unit load. Corresponding to the coal supply command, load change dynamic coal supply command and main steam pressure correction coal supply command;
[0028] (2) Configure the automatic control logic of the...
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