Feedforward control simulation method for TRT blast furnace top pressure control material distribution process and system therefor
A technology of feed-forward control and simulation method, which is applied to blast furnaces, blast furnace details, furnaces, etc., can solve the problems of top pressure fluctuation maintenance, blast furnace normal influence, and no good control solution solution, and achieve the effect of convenient modeling
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[0050] figure 2 It is the top pressure control model diagram of TRT blast furnace, that is, the topological structure of the entire TRT simplified model. Boundary A produces a stable gas flow, which enters the blast furnace through pipe A, and the gas flows out of the furnace top through the material layer in the blast furnace, and passes through a long pipe B flows into the vanes in the turbine and finally flows out to boundary B.
[0051]The material layer of the blast furnace is divided into upper and lower spaces, which can be equivalent to two airtight large containers, namely the upper container and the lower container, while the material layer can be equivalent to a valve, namely the first regulating valve. When the porosity of the material layer is increased, it is equivalent to the process of reducing the opening of the first valve. At this time, the gas volume entering the furnace top through the first valve decreases, causing the pressure on the furnace top to decr...
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