... , as below :1. counter flow small pellet cooler is mainly to cool 2-8mm dimension biomass pellets, when outlet from pellet machines ... is not higher than room temperature +3-5.2. counter flow small pellet cooler adopts counter flow theory, cold air goes inside ... , pellet broken rate is smaller than 0.2%.3. counter flow small pellet cooler generally works with cyclone and air fan, air ...