Rotary Dryer Machine for oil palm empty fruit bunch (EFB) fibers

06-24-2019 Hits：

Empty fruit bunches (EFB) of the oil palm fibre have great potential to be used as industrial fibers in various industries, such as fiber board, mattress and cushion, erosion controller, thermoplastic filler, paper, acoustics control, sound insulator, and animal feed industries.

A rotary drum dryer with a flue gas drying medium has been conventionally used to dry Empty fruit bunches (EFB) of the oil palm fibre. However, some of the rotary drying system tends to produce highly entangled and blackened fiber as the not reasonable design, and furthermore, the uneven contact between the flue gas and oil palm fiber in the rotary dryer may cause nonuniformity in the moisture content of the product.

To overcome this problem, combining the past years' actual experience, according to the special features of oil palm fibre, Sunco Machinery optimized the oil palm fiber drying system specially, and it can reduce the moisture content of oil palm fiber wthin about 10-15 min to be about 15% or as need during the drying process.

Work Flow of Rotary Dryer Machine for oil palm empty fruit bunch (EFB) fibers:

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--- Fuel feeder sends fuel such as sawdust into Biomass Burner.

--- Biomass Burner is used to burn the fuel, and generate high temperature air for the drying system.

--- Ash Settling Chamber is used to collect the ash generated in the burning process, and supply the burning chamber.

--- Inlet Belt Conveyor sends wet oil palm fruit fibre into inlet feeder.

Rotary Dryer Machine, oil palm empty fruit bunch (EFB) fibers drying machine

--- Inlet Feeder sends wet oil palm fruit fibre into the air duct in front of the Special Designed Rotary Dryer for oil palm fiber .

--- High Temperature Resistance Draft Fan make the high temperature air to heat and dry the wet oil palm fruit fibre strongly, and get rid of much of the water here quickly. After that the oil palm fruit fiber goes into the special design rotary dryer together with the hot air.

--- The Special Designed Rotary Dryer is designed according to the features of the wet oil palm fruit fiber. Rotary dryer not only supply the drying space, but also its special inner structure disperse the wet oil palm fruit fibre and increase the heat contact area between the high temperature air and wet oil palm fruit fibre as much as possible, and then the dryer can have better heat exchanging efficiency, and the water is evaporated into water vapor, and finally the moisture content of wet oil palm fruit fibre / oil palm fruit silk is reduced to be about 12% .

--- Draft Fan makes the high temperature air into the dryer, and make the dry oil palm fruit fibre / oil palm fruit silk and exhaust air out of the rotary dryer, and then goes into the cyclone separator.

--- Inside the cyclone separator, the dry oil palm fruit fibre / oil palm fruit silk is separated from the exhaust air, and falls down to the bottom of cyclone separator, then through the outlet feeder and falls onto the outlet belt conveyor. The exhaust air leaves the cyclone separator from the top, and finally goes into atmosphere through the draft fan.

--- Outlet Belt Conveyor takes the dry oil palm Fruit fiber/ oil palm silk to the product storage area.

Rotary Dryer Machine, oil palm empty fruit bunch (EFB) fibers drying machine