Raw Mill/ Kiln
This is the most important baghouse at any cement plant. High temperatures, combined with alkaline and acidic gases make the selection of the right filter media critical.
Maxtech has a large Kiln installation list and manufactures reverse air accessories in-house.
Dust To be handled: Kiln gases/raw mill gases
Nature of dust: Fine, free-flowing, mildly abrasive
Cleaning Mode: Offline or Online
Design Gas temperature: 240 degree Celsius
Design Surge Temperature: 260 Degree Celsius
Dust Load: 50-80 gm/Nm3
The raw mill grinds limestone, clay or shale into "Raw Mix" which is then fed to kiln through preheater. As the mix travels through the kiln, its temperature rises gradually. Flue gas generated in pyroprocessing travels in a direction opposite to material flow. Kiln exit gases contain pollutants like SOx and NOx. At preheater outlet, flue gas temperature ranges around 350 Deg C and is brought down by inducing dilution air or water cooling.
Filter Media Selection
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