Читать книгу Industrial Carbon and Graphite Materials - Группа авторов - Страница 282

The rotary kiln calciner (Figure 6.1.2.8) consists of a rotating heated steel tube (e) with a refractory lining. Because of the gradient and the rotation of the tube, the green coke descends in the calciner, and heat flow rises in countercurrent. The calcined coke leaving the kiln is discharged into a rotary cooler (f). The flue gases are cooled in a waste heat boiler (i) and cleaned in an electrostatic precipitator (j).

Figure 6.1.2.8 Schematic of the rotary kiln calciner. (a) Screen. (b) Crusher. (c) Weigh feeder. (d) Green coke sampling. (e) Rotary kiln. (f) Cooler. (g) Sampling calcined coke. (h) Incinerator. (i) Heat exchanger. (j) Electrostatic precipitator (ESP). (k) Stack.

Figure 6.1.2.9 Schematic of the rotary hearth calciner. (a) Feed bin. (b) Rotary hearth. (c) Calcinate cooler. (d) Waste heat boiler. (e) Electrostatic precipitator. (f) Stack. (g) Sampling point calcined coke.