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| Categories | rotary kiln |
|---|---|
| Place of Origin: | China |
| Brand Name: | Hongji |
| Certification: | ISO9001, CE |
| Official Email Address: | info@hongjigroup.com |
| MOQ: | 1 set |
| Price: | US$10-999999 |
| Packaging Details: | Cartons |
| Delivery Time: | 10 days after delivery |
| Payment Terms: | T/T L/C |
| Supply Ability: | 99 sets per month |
Rotary kiln is a pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process. Materials produced using rotary kilns include:
¨ Cement
¨ Lime
¨ Alumina
They are also used for roasting a wide variety of sulfide ores prior to metal extraction.
The kiln is a cylindrical vessel, inclined slightly to the horizontal, which is rotated slowly about its axis. The material to be processed is fed into the upper end of the cylinder. As the kiln rotates, material gradually moves down towards the lower end, and may undergo a certain amount of stirring and mixing. Hot gases pass along the kiln, sometimes in the same direction as the process material (co-current), but usually in the opposite direction (counter-current). The hot gases may be generated in an external furnace, or may be generated by a flame inside the kiln. Such a flame is projected from a burner-pipe (or "firing pipe") which acts like a large bunsen burner. The fuel for this may be gas, oil, pulverized petroleum coke or pulverized coal.
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