| 摘要 |
PROBLEM TO BE SOLVED: To provide a pulverized coal firing boiler, optimizing the pulverized coal concentration. SOLUTION: In this pulverized coal firing boiler, a plurality of pulverized coal supply pipes 4 are connected to an outlet side of one coal pulverizer 1, and a burner 3 is installed at the forward end part on the boiler side of each pulverized coal supply pipe 4. The number of burners used is varied according to the outlet side pulverized coal concentration of the coal pulverizer 1. COPYRIGHT: (C)2005,JPO&NCIPI
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