| 摘要 |
PROBLEM TO BE SOLVED: To provide a pulverized coal supply pipe capable of achieving uniform concentration distribution of pulverized coal.SOLUTION: A pulverized coal adjusting device 10 is provided to a pulverized coal supply pipe 11 for transporting a fluid containing pulverized coal, and adjusts the concentration of pulverized coal, and has a slope 14 which is provided to the inner circumferential surface 12 of the pulverized coal supply pipe 11, inclined toward the inner circumferential side as it goes to the downstream side, and formed so that the size projecting inwardly from the inner circumferential surface 14 is different along the circumferential direction. |
