... from bottom to top 1.SKLN counter flow pellet cooler mainly cool some pellets, after cooling, the ... higher than room temperature +3-5. 2.pellet cooler by adopting counter flow theory, cold air will ... as time goes on, pellets will pulse at the cooler bottom, cold air will meet with cooled pelltes ... clearance hole is used, thus makes the pellet cooler operation stable and makes the materials discharge be ...