| 摘要 |
A plant for heat treatment of particulate material, comprises a rotary kiln (1) for burning the particulate material, a material cooler (3) for cooling the material, the cooler (3) being connected to the material discharge end of the kiln (1) via a stationary kiln casing (5), which comprises two side walls (6), a roof (7) and, if necessary, a back wall (8) being placed opposite to the kiln, through which kiln casing (5) hot, dust-laden air originating from the cooler (3) flows in counter-flow with the material discharged from the kiln (1), and at least one burner (12) which protrudes into the kiln casing (5), and comprising at least one nozzle (27) which faces towards the kiln (1) for introducing fuel into the kiln (1). The burner (12) is mounted so that it extends through an opening (14) provided in the roof (7) of the kiln casing or in one of its side walls (6).
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