除锻烧水泥熟料外,还用来锻烧粘土、石灰石和进行矿渣烘干等;耐火材料生产中,采用回转窑锻烧原料,使其尺寸稳定、强度增加,再加工成型。有色和黑色冶金中,铁、铝、铜、锌、锡、镍、钨、铬、锉等金属以回转窑为冶炼设备,对矿石、精矿、中间物等进行烧结、焙烧。如:铝生产中用它将氢氧化铝焙烧成氧化铝;炼铁中用它生产供高炉炼铁的球团矿;国外的“SL/RN法”、“Krupp法”用它对铁矿石进行直接还原;氯化挥发焙烧法采用它提取锡和铅等。选矿过程中,用回转窑对贫铁矿进行磁化焙烧,使矿石原来的弱磁性改变为强磁性,以利于磁选。化学工业中,用回转窑生产苏打,锻烧磷肥、硫化钡等。该法具有能耗低、用电少、不用硫酸和可利用中低品位磷矿的优点,很快得到推广。主要技术参数:规格转速(r/min)斜度(%)产量(t/d)功率(kw)设备重量(t)Φ1.4×330.39~3.9633018.547.5Φ1.6×360.26~2.634502252Φ1.8×450.16~1.624703078.2Φ1.9×390.29~2.934753077.59Φ2.0×400.23~2.26310037119.1Φ2.2×450.21~2.443.515045128.3Φ2.5×400.44~2.443.525055149.61Φ2.5×540.48~1.453.530055196.29Φ2.7×420.10~1.523.540055198.5Φ2.8×440.437~2.183.560055201.58Φ3.0×480.6~3.483.5800100237Φ3.2×500.674~3.373.51000160252.4Φ3.5×52.50.6~3.63.51500180366.5Φ4×600.396~3.963.52500315523Φ4.3×640.4~3.963.53200420606.69Φ4.8×720.39~3.963.55000630853.3Φ5.2×610.38~3.793.55500800859Φ5×80ma×3.5460008001201Φ5.6×87ma×4.23480008001227.5