... boiler/ wood pellet burner for drying system :1. Using biomass pellets,farming waste(straw, wheat stalk, corn stalk, ... rice husk, peanut shell, Cotton branches, weeds etc.), forest waste(trees, bark, tree root, leaves, wood shavings, sawdust etc ... high temperature increasing oxygen, temperature control moisturizing automatic intelligent control system. 5. Automatic operation, one person is OK to watch ...