A Multi-variable Synergistic Control Method for a Dual Furnace Circulating Fluidized Bed Unit
A circulating fluidized bed and coordinated control technology, which is applied in the control of bed temperature and bed pressure, and in the field of circulating fluidized bed boiler load, can solve the problems of difficult and poor stability in the balanced combustion control of double furnaces
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[0125] The present invention will be further described below in conjunction with the accompanying drawings.
[0126] exist figure 1 In the output Y of the system, there are a total of 7 output quantities, which are the real power N E , Front pressure P T , oxygen content O, left hearth temperature T LF , right hearth temperature T RF , left hearth pressure P LF and right hearth pressure P RF , the prefix r indicates their setting values; the input U of the system has a total of 9 input quantities, which are the primary air volume of the left furnace F 1,LF , Left furnace secondary air volume F 2,LF , Left furnace coal supply B LF , The opening degree of the return valve of the left furnace μ v,LF , The opening degree of the main steam control valve μ T , Primary air volume of the right furnace F 1,RF , The secondary air volume of the right furnace F 2,RF , Right furnace coal supply B RF and the opening of the right furnace return valve μ v,RF . In this way, the ...
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