| 1. | Slow cooling section is next the fast cooling section , cooling tiles slowly by exchange heat between hot gas in the tunnel and the environment air , which is sucked into pipes stick in the tunnel and been heated there , and been sent to dryer to dry biscuits 缓冷段不直接打冷却风,它通过抽热风机将环境空气吸入,进入窑内导热良好的钢管,并将换热后的热空气送入干燥窑内,冷空气在换热过程中,使制品得到间接的冷却,让制品安全度过573的晶型转换阶段。 |