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Dust Collection in Cement Production – Efficiently Tackling High-Dust Operational Challenges

In the cement production process, operations such as raw material crushing, preheating decomposition, rotary kiln calcination, clinker cooling, and material transportation generate significant amounts of dust. If left uncontrolled, this dust not only reduces equipment operational efficiency but also pollutes the environment and endangers workers' health. Moreover, to comply with increasingly stringent environmental standards, it is essential to install highly efficient and reliable dust control systems.

Cement production process flow
Dust Sources
Table 1: Sources and Characteristics of Dust in Cement Production
Production Process Dust Sources Dust Characteristics
Raw material crushing Dust generated during crushing and belt conveying of limestone, clay, and other minerals. Coarse particles, high concentration, intense instant dust release
Raw mill / coal mill Grinding operations, material lifting, and conveying Fine particles, easily suspended, and flammable.
Raw meal homogenization and feeding system Dust from silo loading/unloading and screw conveyors Continuous emission, prone to accumulation, intermittent dust release
Rotary kiln calcination system Fine dust entrained in kiln tail gas High temperature, high concentration, fine particle size
Clinker cooler Fine dust carried by cooling air Hot air, high temperature, highly active dust particles
Cement finish mill Cement grinding and finished product conveying Fine particles, prone to clogging, continuous discharge
Packing and loading system Dust from bagging, bulk loading, and truck vibration Disturbance dust, highly intermittent, widely distributed