The design of Rotary Kiln

The Rotary Kiln is composed of the shell, the supporting device, the supporting device with thrust roller, the driving device, the movable kiln head, the sealing device at kiln end, the combustion device etc. It has the simple structure and reliable operation, and the production process of the Rotary Kiln can be controlled easily. Rotary metallurgy Kiln is commonly used for heat processing of minerals and aggregates such as lime, cement, and iron ore. To achieve consistent quality results, it is important to maintain a uniform product temperature at the kiln entry, mid zone, and discharge. In most Rotary Kilns, the challenge with temperature process control is that the temperature sensor must view through flames or heavy smoke and dust. Consequently, when selecting a sensor, the design, wavelength, and alignment are all important considerations as well as
Rotary Dryer.
The design of Rotary Kiln shall abide by the followings:
1. To ensure the specifications of the Rotary Kiln, you should take the burning system output into consideration , some essential aspects such as fuel conditions ,preheater, calciner and the Cooling machine configuration.
2. The length-diameter ratio between preheat devices and Pre decompose kiln will be 11-16.
3. The gradient of the preheater kiln and pre-coated decompose should be 3.5%-4%.
As for the maximum speed ,the Pre decomposition kiln appropriate to 3.0-3.5 r/min:, the preheater kiln appropriate to 2.0-2.5 r/min .The speed adjustable range shall be 1~10.
4. The cooling measures of clinkering zone in Rotary kiln should be equiped with forced air cooling.
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