Foods and beverages: apparatus – Cooking – Diverse cooker types
Patent
1989-08-08
1990-06-19
Simone, Timothy F.
Foods and beverages: apparatus
Cooking
Diverse cooker types
99348, 99355, 99443C, 99477, 99483, 99516, A23L 100, A23L 300, A47J 2704
Patent
active
049342592
ABSTRACT:
An automatic and continuous rice cooking system comprises a spiral rotary steam vessel with an elongated steam jacket having a semi-circular bottom and housing a screw conveyer, and a steam tunnel passage provided with a mesh conveyer connected to the outlet port of the vessel at its terminal end via a duct. As raw rice is charged inside the steam vessel from one end of the steam vessel, the rice is gradually steamed as it is conveyed by the screw conveyer toward the other end, during which time the rice is subjected to a steaming process in which starch is released from the rice, a gelatinization process in which the starch is gelatinized, and an adsorption process in which the gelatinized starch is adsorbed by the rice grains. The steamed rice is discharged from the steam vessel from one end thereof and is then gradually conveyed by a mesh conveyer inside the steam tunnel passage under high temperature and high humidity maintained by the supply of hot steam, and the rice is subjected to an additional adsorption process with the gelatinized starch supplied at the starting end of the conveyer, and a fixing process in which the rice grain surface is coated with the gelatinized starch. A sump for receiving the cooking juice discharged from the vessel together with the steamed rice is provided beneath the outlet port of the steam vessel. The sump includes a pipe for spraying and supplementing a portion of the cooking juice onto the surface of the rice grains that have been transferred from the steam vessel to the mesh conveyer, and a pipe for returning and supplementing a portion of the cooking juice back to the steam vessel at its mid portion.
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