Plug Flow Dense Phase Conveying System
The Plug Flow conveying is one of conveying system that powder/pellets moves while forming the group like plug(slug), without floating. This conveying system has a little air consumption and high conveying efficiency , decreasing the conveying material crushing and piping abrasion . Also, there is no occurrence of streamer in case of resin pellet conveying.
Suspension (dispersion) Flow Dilute Phase Conveying System
The Floating Flow conveying is categorized Dilute phase Conveying System that the gas velocity inside conveying pipe is fast and powder/pellets move with floating.
Dune Flow Dense Phase Conveying System
The Dune Flow conveying is high density conveying system that powder/pellets moves while making slug movement with group style form like a sand dune at the bottom of conveying pipe. In the case of coarse (large) powder and pellets, the formation principle is almost similar with Plug Flow. But the difference point against Plug Flow is no closing by particle groups or very few in the section of conveying pipe.
Layer Flow Dilute Phase Conveying System
In floating flow, Layer Flow means comparatively low (Middle) gas velocity and collected powder/pellets at the bottom of conveying pipe. The Layer Flow has some advantage over Suspension Flow such as ①high mixing ratio and high conveying efficiency ② low conveying material damage ③ low conveying pipe abrasion.
It is made of transparent and hard glass. It can be checked the state of the conveying materials in the piping.
A New Breed of Plastic Pellet Pneumatic Conveyor Pipe Specially Treated to Prevent Film Growth (Japanese patent No.777626)
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