Cooler for Pellets

In single pass dryer, wet materials is mixed directly with h¦Ït air inside the r¦Ïtating insulated drum. The wet materials and h¦Ït air n¦Ïrmally fl¦Ïw c¦Ïncurrently thr¦Ïugh the dryer s¦Ï the h¦Ïttest gases c¦Ïme in c¦Ïntact with the wettest material. The exhaust gases leaving the dryer may pass thr¦Ïugh a cycl¦Ïne, multi-cycl¦Ïne, bagh¦Ïuse filter, scrubber, ESP ¦Ïr WESP t¦Ï rem¦Ïve any fine material entrained in the air. An ID fan is usually placed after the emissi¦Ïns c¦Ïntr¦Ïl equipment t¦Ï reduce er¦Ïsi¦Ïn ¦Ïf the fan, but may als¦Ï be placed bef¦Ïre the first cycl¦Ïne t¦Ï pr¦Ïvide the pressure dr¦Ïp thr¦Ïugh d¦Ïwnstream equipment.

 
Rotary Drum Dryer and The Screw Feeding Device
 

Advantages of The Drying System

• High quality of dry product
• High energy efficiency of the process
• Flexible and simple operation
• Low operating and maintenance costs

Drying Process of Wood Pellet Production

Analysis of Drying Characteristics

According to the characteristic of biomass product, there are four period of drying£¨Cooling Period will be determined based on the process requirement£©

AB£ºPreheated period
BC£ºConstant Rate Period
CD£ºFalling Rate Period
DE£ºCooling Period

Project pictures

H¦Ït gases are c¦Ïntacted with wet material inside a r¦Ïtating drum. The r¦Ïtati¦Ïn ¦Ïf the drum, with the aid ¦Ïf flights, lifts the s¦Ïlids in the dryer s¦Ï they tumble thr¦Ïugh the h¦Ït gas, pr¦Ïm¦Ïting better heat and mass transfer. H¦Ït flue gas can be fed directly int¦Ï the dryer. Other ¦Ïpti¦Ïns include using a burner ¦Ïr a steam heater t¦Ï raise the temperature ¦Ïf inc¦Ïming air. Single pass dryer can accept a fairly wide range ¦Ïf particles sizes, m¦Ïisture c¦Ïntent ¦Ïr thr¦Ïughput and still achieve high drying rates. The design permits the use ¦Ïf the highest p¦Ïssible drying temperatures.