The Lanhao Environmental Pulverized Coal Filter plays a crucial role in the entire coal injection system. If the coal injection system is compared to the human body, the pulverized coal filter acts as the internal cleaner, specifically responsible for removing debris within the system. The blast furnace coal injection system relies on pneumatic conveying of pulverized coal, and foreign objects may cause blockages in the conveying pipelines. Therefore, the function of the pulverized coal filter is to filter and remove debris, ensuring smooth and unobstructed pneumatic conveying of coal powder.

       Our company specializes in designing and manufacturing pulverized coal filters made of carbon steel, with an inner wear-resistant layer. They typically feature flanged connections on both sides, double cones welded together, and the entire housing is designed to form a stable airflow through specific angles, allowing smoother coal powder passage, reducing resistance, and minimizing wear. The middle section consists of a wear-resistant manganese steel filter plate, which is designed for easy installation and removal, facilitating maintenance and replacement. Our company also produces various blast furnace coal injection products, including ball valves, coal injection rods, pulverized coal distributors, air supplement check valves, air supplement regulators, pulverized coal filters, cone fluidizers, fluidization devices for injection tanks and coal powder bins, pulverized coal ball valves, dense-phase pulverized coal conveyors, and pulverized coal collectors.

I. Technical Parameters:
Applicable Media: Pulverized Coal + Nitrogen (or Air)
Design Temperature °C: 100
Design Pressure MPa: 1.0, 1.6, 2.5
Filtration Area: ≥ 4 times the cross-sectional area of the inlet pipe
II. External Connection Dimensions: Nominal Diameter: DN40, 50, 65, 80, 100, 125, 150, etc.
D N D K C n-d G″ L
50 165 125 20 4-18 3/4″ 600
65 185 145 20 4-18 1″ 650
80 200 160 20 8-18 1 1/4″ 750
100 220 180 22 8-18 1 1/2″ 850
125 250 210 22 8-18 2″ 850

       The design principle of the pulverized coal filter is simple yet highly efficient. In industrial applications, it is widely used in blast furnace coal injection systems and is a key equipment ensuring continuous and stable operation of the coal injection system. In blast furnace coal injection systems, the pulverized coal filter can remove coarse, large particles, and impurities from the coal powder, preventing these contaminants from entering components such as distributors, coal injection branch pipes, and valves on the pipes, which could cause blockages and damage. The use of the pulverized coal filter not only improves production efficiency but also extends the service life of the equipment and reduces maintenance costs.

      Through its simple filtration principle, it effectively filters impurities in the pulverized coal, ensuring the continuity and stability of pneumatic coal powder conveying. At the same time, the精巧 design and convenient maintenance of the pulverized coal filter further enhance the reliability and efficiency of the equipment, providing strong support for production in industries such as metallurgy and petrochemicals.