Baghouse types are classified by cleaning method. The three most prominent types are: Reverse Air (Gas Cleaning), Pulse Jet (Compressed Air Cleaning) and Shaker (Mechanical Cleaning).
R/A baghouses are compartmentalized so bags can be cleaned off-line by stopping the dirty gas flow and backwashing the compartment with low pressure air from a separate fan. Cleaning action is very gentle, which lengthens bag life. Dust collects on the inside of the bags. The bags are held taut by tension springs at the top, and have anti-collapse rings sewn into them to prevent pancaking during cleaning.
Components of a reverse air baghouse:
In this type of baghouse, a high pressure jet of air is used to remove dust from bags supported by rings or metal cages. Bags in a P/J baghouse can be cleaned on-line. Dust collects on the outside of the bags. Torit baghouses (round with an automated, rotating arm to distribute compressed air row-by-row) are a type of P/J fabric filter.
Components of a pulse jet baghouse:
Cleaning shaker baghouses takes considerably more energy and more time than other designs, so they’re used less often than R/A or P/J. Like R/A, the compartments of a shaker baghouse must be cleaned off-line.
Components of a shaker baghouse:
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