Baghouse Misconceptions

Misconceptions About Baghouses

Several key misconceptions about baghouses tend to crop up.

Myth 1: Bags Do the Filter

It’s actually the control dust layer that does the filtering. This raises the importance of good start-up practice so that the bags are not blinded and a control layer is able to form. The first 24 “ 36 hours are most critical in a new bag’s life.

Myth 2: Clean Bags Are the Key to Efficient Baghouse Operation

Excessive cleaning knocks off the filtering control layer, leaving the bag media exposed and accelerating bag wear.

Myth 3: Filtering Wears Out Bags

The dominant factor in bag wear is cleaning energy.

Helpful Resources

KnowledgeBase: Introduction to Fabric Filters

KnowledgeBase: Operations & Maintenance

KnowledgeBase: Common Baghouse Misconceptions

KnowledgeBase: Protecting Fabric Filter Bags During Start Up

KnowledgeBase: Use DP Set Points to Prevent Baghouse Over Cleaning

Our Capabilities: Baglife & Troubleshooting

Our Capabilities: Intelligent Baghouse Cleaning Systems

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Rising from the Ashes

Holnam Cement

Following a kiln outage in early 1997, a fire destroyed four precipitators at Holnam Cement in Clarksville, Missouri. Within two days, Neundorfer and Holnam had a plan for replacing ESP components. Eighteen weeks after the fire, the rebuild was compl ...

Read the White Paper

"The silver lining of the cloud caused by the fire is that now Holnam is able to shut off any one of the precipitator units for maintenance while continuing production, which had previously not been possible."

Emergency Repairs

Clarksville, MO

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