Abstract
The article shows the urgency of research of furnaces productivity of the furnaces, that provide a minimum specific fuel consumption b. Proposed a relatively simple formula to describe the dependence b(τк ) of particular fuel consumption of the final b heating time τк , and estimate the optimal fuel consumption of the final heating time τко (performance). Results on b(τк ) and τко for different specific heat loss heat transfer from the volume qп furnaces and flue gas ways are described. It has been established that the optimum value of the performance is largely determined of heat losses by the heat transfer, which are inversely proportional affect to the value of optimal performance. The author shows exemplary conditions for minimum specific fuel consumption that can be observed at an extremely high productivity and low productivity of the furnace.
Highlights
sectional pusher furnace of ball-rolling workshop are calculated with the help of previously developed method
of automatic choosing the number of quadrature nodes
It is shown that the method is several times
Summary
По уравнению (9) с учетом (3) можно оценить величину средних удельных потерь теплоты qпо , при которой расход топлива для заданного конечного времени нагрева τк будет минимален: (11) (7) Если в уравнении (11) принять τк = τкн , то можно оценить, при каких потерях теплоты наискорейшее время нагрева обеспечит минимальный удельный расход топлива на нагрев металла.
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