Parallel Damper for Cement Plants

UGES Parallel Dampers deliver precise volume control of process air and hot gases in cement manufacturing. With multiple parallel-rotating blades operating in unison, these dampers modulate airflow through preheater fans, kiln ID fans, and raw mill circuits to maintain optimal process parameters.

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Parallel Damper Key Specifications

Blade Material

IS 2062 Grade E250 / SS 310 for high-temperature gas handling applications

Temperature Rating

Up to 450°C continuous for preheater and kiln gas duct applications

Actuation Type

Electric actuator with 4–20 mA modulating control for precise positioning

Size Range

800 mm × 800 mm to 4000 mm × 4000 mm for large ID fan inlet ducts

Blade Configuration

6 to 20 parallel blades with synchronized linkage for uniform airflow regulation

Pressure Drop

Low-resistance aerodynamic blade profile, <15 mmWG at rated flow in full-open position

Industrial Applications

Kiln ID Fan Inlet Control
Modulates gas volume to the kiln induced-draft fan, maintaining stable kiln draft pressure for consistent clinker production.
Preheater Fan Volume Regulation
Adjusts gas flow through preheater cyclone stages to optimize raw meal residence time and heat transfer efficiency.
Raw Mill Damper Control
Regulates hot gas supply to the raw mill drying circuit, balancing mill outlet temperature and moisture content of raw meal.

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