... crusher, sawdust making machine ,wood chipper, fertilizer ferment upender, hammer mill,pellet machine and briquette machine, dryer and pellet cooler, screener ... not higher than room temperature +3-5.2. counter flow small pellet cooler adopts counter flow theory, cold air goes inside ... separate dust and good pellets after cooling. 4. counter flow small pellet cooler is hot selling more than 6000 sets per ...