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Advantage/Disadvantage of Pneumatic Conveying System
Advantage
- Relatively free conveyance route
- Secondary pollution prevention with closed conveyance
- Easy operation and maintenance with simple structure
- Big transportation capacity per unit area
- Less initial investment
- No noise or remnant generated
Disadvantage
- Large power required.
- Pipe wear and destructed particle (Prevention with low speed high concentration conveyance)\
- Limited materials for conveyance
- Difficult transportation of moist materials
- Adhesive materials
Types of conveying Methods
- Low Pressure Forced Feed Type
: General Industries (Wood Chip, Pellet)
: Conveying Speed (15-20 m/sec.)
: Mixture Ratio (0.1-10)
- High Pressure Forced Feed Type
: Long distance/large quantity transportation
: Conveying Speed (15-30 m/sec.)
: Mixture Ratio (750)
- Absorption Type
: Ship Unloading (Crops, Alumina), Food Process, Toxicant Conveyance
: Conveying Speed (15-30 m/sec.)
: Mixture Ratio (0.1-15)
- Plug Transportation Type
: Conveyance of fragile particle (Crystal Particle)