Provided is a retort rice production system by which retort rice with good appearance can be continually produced through a simple process starting with raw rice.The retort rice production system comprises: a pressure steamer unit by which raw rice is steam-heated under elevated pressure to form a gelatinized layer on the surface part of the raw rice and make the center part thereof porous a unit for separating boiled rice into single grains, by which the boiled rice having been treated above is transported by a conveyor and, at the same time, moisture in the surface part thereof is removed to thereby separate the boiled rice into single grains a quantitative packaging unit by which the boiled rice, which has been separated into single grains, is weighed out per package and then packed in a container a packaging unit by which the boiled rice is packed in a container and, in addition thereto, at least a liquid, for example, rice-cooking liquid, in an amount required for immersion and water-absorption and a gas for securing sufficient head space are packed in the container holding the boiled rice, followed by sealing an immersion and water-absorption unit by which the package of the sealed container is rotated in a preset number so as to allow the boiled rice to absorb the rice-cooking liquid and a retort sterilizer by which the boiled rice, which has absorbed the rice-cooking liquid, is heated to the center part.Linvention fournit un système de production de riz cuit en autoclave dans lequel létape de production est simplifiée, et qui permet de produire de manière consécutive un riz cuit dun excellent aspect à partir de riz cru. Le système de linvention est équipé : dun mécanisme à vapeur sous pression qui forme une couche de gélatinisation sur une partie superficielle du riz cru, et qui soumet ce dernier à un traitement de chauffage à la vapeur sous pression afin de rendre une partie centrale poreuse dun mécanisme de séparation des grains de riz à la vapeur qui tout
