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In this paper are described some principles and new methods underlying the temperature adjustment in an laboratory electrical furnace. Due to high thermal inertia, classical Proportional-Integral-Derivative algorithms are difficult to be implemented when a high precision temperature adjustment is required. An original software algorithm written in C language performs the temperature control function,...
Gas-fired industrial furnaces are used to heat products to a predefined temperature level. As the temperature of the load as well as the composition of the flue gas are crucial for many applications in industry, the controllers of burners have to ensure a given heat input and air–fuel ratio. As a basis for such controllers, an accurate mathematical model of the media supply of an industrial furnace,...
Gas-fired industrial furnaces are used to heat products to a predefined temperature level. As the temperature of the load as well as the composition of the flue gas are crucial for many applications in industry, the controllers of burners have to ensure a given heat input and air-fuel ratio. As a basis for such controllers, an accurate mathematical model of the media supply of an industrial furnace,...
The median temperature sulfur fixation characteristics in flue gas of experimental wastes were studied by tube furnace, the phase composition and mineral content of sulfur fixation product were analyzed by XRD and thermal gravimetric, median-temperature sulfur fixation mechanism of alkali industrial waste were discussed, which provide theoretical basis for preparation of waste type median-temperature...
Isothermal pyrolysis of biomass such as rice straw, pelletized corncob and pelletized corn straw are studied with the furnace temperature of 700degC, 800degC, 900degC by macro-thermal gravimetric(macro-TG) apparatus. The results indicated that biomass type, particle size, ash contents are influential in biomass isothermal pyrolysis characteristics, larger particle size made inadequate pyrolysis of...
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