Control method for improving economical operation of boiler charge returning air blower
A control method and technology of economical operation, applied in pump control, mechanical equipment, machine/engine, etc., can solve the problems of high operation risk, affecting the return effect of the returner, and coking in the furnace, and achieve the effect of optimizing the control logic.
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[0013] The present invention will be further illustrated in combination with the following examples.
[0014] An embodiment of the control method for improving the economic operation of the boiler return fan of the present invention, the steps include:
[0015] A. Equipped with three return fans, namely No. 1 return fan 1, No. 2 return fan 2 and No. 3 return fan 3. When the boiler is in normal operation, run No. 1 return fan 1 and No. 2 return fan 2 And No. 3 return material fan 3 for standby;
[0016] B. Preset the outlet air pressure setting value at the outlet of each return fan of the boiler;
[0017] C. A pressure sensor is installed at the outlet of each return fan of the boiler, and the average value of the outlet air pressure of each return fan measured by the pressure sensor is calculated, and the average value of the outlet air pressure is set with the outlet air pressure. Fixed value for comparison;
[0018] D. If the average value of the outlet air pressure is less tha...
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