改造采用燃煤间接加热回转窑煅烧工艺，同时为了有效防止热水解反应的发生，将干燥与煅烧过程分开进行。
The rotary kiln are indirectly heated by flue gas. In preventing the occurrence of hot hydrolytic decomposition, drying and burning are carried out respectively.
我们生产的直接和间接的空气加热器用于为工业干燥机加热新鲜空气或过程空气。
ComEnCo manufactures direct and indirect air heaters heating fresh air or process air for industrial dryers.
介绍了采用炉气体间接加热木材干燥窑干燥红锥锯材适用的干燥基准，以及预防锯材变形、确保干燥均匀性所采取的技术措施。
Suitable drying schedules for drying Castanopsis hystrix timber in furnace gas indirect-heated kiln are presented and measures for preventing the timber from distortion are described.
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