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燃煤锅炉炉膛负压调节回路的控制难点在于给煤量的控制,由于燃烧过程中必须使炉膛保持一定的负压,常规控制方法很难得到较快的响应特性和准确的给煤量参数。采用模糊控制器对炉膛压力调节回路进行调解,得到较精确的控制效果,从而避免了火焰外喷和资源浪费问题。
Control of coal-fired boiler furnace negative pressure control loop lies in the control of coal, because the combustion process must maintain a certain negative pressure in the furnace, the conventional control method is difficult to get faster response characteristics and accurate parameters to the coal. The fuzzy controller is used to adjust the pressure regulating loop of the furnace to obtain a more accurate control effect so as to avoid the problem of flame spraying and waste of resources.