Dedusting system

Fiberglass scrubbers commonly use packing types such as Pall rings, saddle rings, and grid rings. These packings can be made from materials like PP, CPVC, or ceramic, chosen based on different application environments.

The specific surface area of the packing typically ranges from 100-240 m²/m³. For instance, a 50mm Pall ring has a specific surface area of about 110 m²/m³, whereas a 25mm saddle ring can reach up to 220 m²/m³.

The choice of packing directly affects the scrubbing efficiency; generally, a larger specific surface area allows for more thorough gas-liquid contact, improving treatment effectiveness, though it may increase pressure drop.

The leakage rate of fiberglass scrubbers is very low, typically less than 0.1%. This is due to their integrated molding process and excellent sealing properties.

The various parts of the tower are connected by flanges with high-quality gaskets to effectively prevent leaks. For example, a scrubber handling 100,000 m³/h usually has leakage of no more than 100 m³/h.

Compared to metal towers with leakage rates between 0.5-1%, fiberglass scrubbers offer better efficiency and safety. Fiberglass material does not corrode like metal, maintaining good sealing over time.

The spray system typically uses spiral nozzles or hollow cone nozzles. The number and distribution of nozzles depend on tower diameter and airflow capacity.

For example, a 3-meter scrubber might install 20-30 nozzles for uniform spraying. The nozzle flow rate is usually 1-5 m³/h, with pressure between 0.1-0.3 MPa.

The design directly impacts gas-liquid contact and scrubbing efficiency. Modern scrubbers often feature adjustable spray systems to optimize treatment and energy use based on conditions.

Standard fiberglass scrubbers operate well in environments above 0℃. For low temperatures, specially formulated scrubbers can function down to -40℃.

In such conditions, fiberglass retains its toughness and strength, avoiding brittleness seen in metal. At -20℃, fiberglass maintains over 80% of its room temperature impact strength.

To prevent freezing, low-temperature scrubbers use additional insulation and antifreeze agents. These measures ensure stable operation in cold environments, ideal for outdoor applications.

Fiberglass scrubbers have relatively low energy consumption. For a scrubber handling 100,000 m³/h, primary energy use comes from the circulation pump and fan.

The pump power typically ranges from 15-30kW, and the fan from 75-110kW, depending on system pressure drop. Fiberglass reduces heat loss significantly, saving energy with high-temperature gases.

Optimized design keeps pressure drop 20-30% lower than metal towers, reducing fan energy use. Overall, fiberglass scrubbers save 15-30% of energy compared to metal towers with similar capacities.

Fiberglass scrubbers require minimal maintenance due to their durability and resistance to corrosion. Regular inspections are recommended to ensure optimal performance, focusing on key components such as the packing material, spray nozzles, and seals.

Cleaning schedules should be established to prevent build-up within the system. This includes flushing the system to remove any accumulated debris and checking for any blockages in the nozzles or packing.

It's important to monitor the performance metrics regularly, such as pressure drop and removal efficiency, to identify any deviations that might indicate maintenance needs. Keeping records of these inspections and maintenance activities will help in maintaining the efficiency and longevity of the scrubber system.