PURPOSE: To obtain a disc type automatic koji producing device useful mainly for brewing and solid culture of chemical industry. ;CONSTITUTION: In a process for feeding a koji substrate at a single stage or a process for feeding the koji substrate at plural stages by an automatically feeding device arranging one or plural sensors for sensing the koJi substrate in front of a leveling device, the revolving speed of the leveling device is controlled by one or plural sensors for detecting the koji substrate and a fixed amount of the koji substrate is always maintained in uniform piled layer thickness and piling density.;COPYRIGHT: (C)1996,JPO
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