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With a view to the slag problem on the water-cooled wall and super-heater at furnace exit of a 670t/h power-plant boiler burning pulverized coal, which burners were arranged in the form of six corners tangentially firing, Phase Doppler Anemometer (PDA) was applied to investigate the gas-solid two-phase velocity field near the burner region for the first time. Two experimental cases were investigated,...
It is difficult to have good performance for chain boiler combustion control system due to large delay time, varying coal's quality and steam load. A neural network identification method for nonlinear system's delay time is discussed. Using the abrupt mutation resulted from the training error sum square of the real output and the expected output of the network, this method changes the input sample...
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