| 摘要 |
PROBLEM TO BE SOLVED: To provide a sericin drying device and a drying method capable of treating without applying a high temperature to the raw material and improved in the drying ability and possible to be industrialized without requiring a huge facility, and to provide a sericin powder manufacturing method. SOLUTION: In this sericin drying method, pressure of the sericin solution is reduced for concentration by a vacuum concentrating means to form the soft material, and the soft material is transferred to a vacuum drying means to reduce the pressure thereof and dry it. The sericin drying device is provided with one or a plurality of vacuum concentrating containers for housing the sericin solution, one or a plurality of vacuum concentrating containers for housing the soft material, a moisture separating means for leading the gas inside of the vacuum concentrating containers and the vacuum drying containers to separate the moisture contained in the gas, and a pressure reducing means for reducing the pressure inside of the vacuum concentrating containers and the vacuum drying containers. COPYRIGHT: (C)2003,JPO |
