| 摘要 |
PROBLEM TO BE SOLVED: To provide a shell feeding method capable of smoothly and correctly feeding shells. SOLUTION: Shells are fed to a feed device 100 connected to water feed piping 21, and the shells and water are stirred and fed as a slurry shape by the feed device 100. A critical precipitation flow velocity is obtained by using critical precipitation flow velocity calculation formula at least including the piping inside diameter of the water feed piping 21 as a parameter, based on the critical precipitation flow velocity, a feed water content equal to or above that at the critical precipitation flow velocity is secured, and the apparent volume concentration of the shells to the feed water content is set to the prescribed one. COPYRIGHT: (C)2007,JPO&INPIT
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