Patent ID: 9578983
Date: 2017-02-28
CPC Classifications: A23B,A23L,A47J,F26B

Claim:
1. A parboiled rice manufacturing apparatus for processing a raw material inside a drum through pressurized steam-boiling treatment and drying the processed raw material inside the drum, comprising: a drum which has a raw material hatch provided at a peripheral surface and is disposed to be rotatable about a horizontal axis; means for rotating the drum; heating means disposed inside the drum for heating an interior of the drum without supplying steam to the raw material inside the drum; agitation means disposed inside the drum for agitating a raw material charged through the raw material hatch into the drum; steam supply means for supplying steam into the drum to the raw material inside the drum; pressure adjustment means having a valve which allows communication of the interior of the drum with outside air for allowing increase of pressure inside the drum with steam supplied from the steam supply means by closing the valve at the time of processing of the raw material through the pressurized steam-boiling treatment; water addition means disposed inside the drum for adding water to the raw material inside the drum; and drying means for drying the raw material by reducing the pressure inside the drum.