| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem on difficulty in drying treatment of cow dung and the like, having a moisture content of 80-90%, that as a drying furnace is roughly divided into an internal combustion type and an external combustion type, in the internal combustion type, cow dung is quickly dried as it is directly heated, but it is difficult to discharge carbide attached to a combustion furnace, and in the external combustion type, it takes a long time and much costs to dry the cow dung. SOLUTION: The internal combustion type and the external combustion type are combined, hot air in the furnace is forcibly guided to a drying cylinder to be applied to a dried object, and the combustion furnace is formed into the circular shape, thus an area of the combustion furnace is reduced, a drying degree is improved, and fuel consumption can be reduced. COPYRIGHT: (C)2007,JPO&INPIT
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