To compost base material by uniformly stirring and crushing the base material and facilitating the fermentation of the base material with a device of a simple structure and a simple method.
Garbage or garbage admixed with substrate is charged into mixing vessels 11, 12 of horizontal processor 10 as the base material, the hot air is directly blown into the base material, the change with lapse of time of temperature of the base material and moisture content of the base material, and the wet temperature in a preheating period, constant-rate period of drying and falling drying rate period are calculated beforehand, at the same time, the temperature of the base material in the mixing vessels 11, 12 is detected, on the basis of the detected temperature, the quantity of heat input required for correcting the difference of the calculated value and the detected value of the base material is calculated and the temperature of hot air and the quantity of hot air are controlled thereby.
KOMABAYASHI KENICHI
ARAI TERUKAZU
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