Cement Plant Kiln and Raw Mill Dust Collection
Case Category

Cement Plant Kiln and Raw Mill Dust Collection

A large cement plant operating multiple rotary kilns faced persistent challenges with dust emissions from its raw mill and kiln exhaust systems , the plant selected INDRO dust collector filter bag solutions, engineered specifically for cement industry app
Description
Cement Plant Kiln and Raw Mill Dust Collection
Industry: Cement Manufacturing
Dust Type: Cement clinker dust, limestone powder
Operating Conditions: High dust load, abrasive particles, continuous operation
A large cement plant operating multiple rotary kilns faced persistent challenges with dust emissions from its raw mill and kiln exhaust systems. The existing dust collector filter bags suffered from rapid wear due to the highly abrasive nature of cement dust, leading to frequent bag replacement, increased downtime, and unstable emission control.
The plant required dust collector filter bags that could withstand continuous high dust loading while maintaining consistent filtration efficiency. Another key concern was emission compliance, as tightening environmental regulations required outlet dust concentrations below 20 mg/Nm³.
After evaluating several options, the plant selected INDRO dust collector filter bag solutions, engineered specifically for cement industry applications. INDRO recommended high-density polyester filter bags with surface singeing and advanced calendaring, improving abrasion resistance and preventing fine dust penetration.
The optimized bag design ensured uniform air permeability, reducing pressure drop across the baghouse. This allowed stable airflow even under peak kiln loads. The bags were also customized in length and diameter to match the existing pulse-jet dust collector, enabling a smooth retrofit without structural modifications.
Following installation, the plant reported a significant improvement in bag life—extended from an average of 12 months to over 24 months. Maintenance frequency dropped noticeably, and the dust collector operated more reliably during continuous production cycles. Stack emission measurements confirmed compliance with regulatory limits.
This case demonstrates how INDRO dust collector filter bags, tailored for abrasive cement dust, help cement plants achieve long service life, lower operating costs, and consistent environmental compliance.