Intelligent frequency conversion control method for circulating fan during tobacco leaf curing in descending bulk curing barn
A circulating fan and frequency conversion control technology, which is applied in the field of flue-cured tobacco curing, can solve the problems of light color, reduced aroma, and reduced oil content of cured tobacco leaves, and achieve the effects of improving softness, enhancing chroma, and increasing tobacco leaf aroma and oil content
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[0059] Utilize existing barn equipment, the total power of circulating fan is 2.2KW, setting circulating fan conventional method (contrast) and circulating fan carry out intelligent frequency conversion control (processing) according to the method of the present invention, concrete operations are as follows:
[0060] Control: when the target temperature is ≤40°C, the circulating fan is set to low-grade control; when 40°C
[0061] Treatment: according to the method of the present invention, after the tobacco leaves are loaded into the curing barn as required and started to bake, an intelligent variable frequency regression equation is constructed according to the following ten situations in turn, and the frequency of the circu...
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