| 摘要 |
PROBLEM TO BE SOLVED: To provide a new pneumatic transportation apparatus capable of effectively backwashing a bag filter, and a nozzle for use in the air transport apparatus.SOLUTION: When a bag filter 6 of a pneumatic transportation apparatus 1 for pneumatically transporting particulate matter is backwashed, a backwashing device 7, which comprises a nozzle 10 having a nozzle hole 11 provided with a diameter-enlarged part 111 tapered to enlarge a bore diameter toward an injection direction, is used. |
