| 摘要 |
A dehumidification system and a dehumidification method in booster piping are provided to efficiently save the energy by reducing the amount of compressed air that is discharged from the membrane dryer and the booster into the atmosphere in the once compressed air. A dehumidification system in booster piping comprises a membrane dryer(1), a booster(3), first piping(7), and second piping(8). The membrane dryer includes an inlet port(11a) and an outlet port(11b), a purge flow path(16), a purge flow path inlet portion(16a) and a purge flow path outlet portion(16b), and an extraneous purge inlet port(16c). The inlet port and outlet port are put through to both ends of an inside flow path of a plurality of hollow fiber membranes(15a). The purge flow path is formed on outer sides of the hollow fiber membranes. The purge flow path inlet portion and purge flow path outlet portion are positioned at both end portions of the purge flow path. The extraneous purge inlet port communicates with the purge flow path inlet portion. The booster includes an inlet(31), a drive chamber and a boosting chamber, an outlet(32), and an exhaust port(45).
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