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Pulse Jet Bag House

It is distinguished from air cleaners which use disposable filters to remove dust.In reverse-pulse-jet Bag Houses, individual bags are supported by a metal cage (filter cage), which is fastened onto a cell plate at the top of the Bag Houses. Dirty gas enters from the bottom of the Bag Houses and flows from outside to inside the bags. The metal cage prevents collapse of the bag.Bags are cleaned by a short burst of compressed air injected through a common manifold over a row of bags.The short cleaning cycle of reverse-jet collectors reduces recirculation and redeposit of dust.

The compressed air is accelerated by a venturi nozzle mounted at the Reverse-Jet Bag Houses top of the bag. Since the duration of the compressed-air burst is short (0.1s), it acts as a rapidly moving air bubble, This timer indicates the solenoid valve to inject the air to the blow pipe.Also, the continuous-cleaning feature allows them to operate at higher air-to-cloth ratios, so the space requirements are lower.



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