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通过分步干燥利用烟热,降低烟气中的氧含量,降低能耗。把干燥室分为两部分,先抽取隧道窑冷却带余热对砖坯进行一次干燥,再抽取隧道窑窑头烟气对砖坯进行二次干燥。
Through the use of flue gas heat drying step by step to reduce the oxygen content in the flue gas to reduce energy consumption. The drying chamber is divided into two parts, first extract the residual heat of the tunnel kiln cooling belt to a brick drying, and then extract the kiln flue gas tunnel kiln for secondary drying.