| 摘要 |
PROBLEM TO BE SOLVED: To provide a powder conveyance system that facilitates production of dry air, and prevents a risk of dust explosion, etc. resulting from conveyance of the dry air when conveying powder by means of the dry air.SOLUTION: In a system for conveying powder in a powder mixer 2 into a silo 7 through a first conveyance pipe 5 by means of air conveyance by a blower 6, dry air generated by dry air production device 31 is supplied to the blower 6. The dry air is generated by cooling and dehumidifying outside air in a coil 33a by brine sent from a brine chiller 31. In winter when the humidity of outside air is low, outside air is used as such dry air as it is without being cooled and dehumidified. |
