Desulfurization Pump (FGD Slurry Circulation Pump)

The Desulfurization Pump, also known as FGD pump, is a heavy-duty horizontal single-stage single-suction centrifugal pump specially developed for wet flue gas desulfurization (WFGD) systems. It is the core circulating equipment for conveying abrasive, acidic limestone slurry and gypsum slurry containing solid particles, widely used to keep slurry circulating inside the absorption tower for sufficient gas-liquid contact and sulfur dioxide removal.

Key Features

✅ Excellent Wear & Corrosion ResistanceWet-end components including impeller, liner and volute are optional with high-chromium alloy, duplex stainless steel, rubber lining or UHMWPE. These materials resist acidic slurry, chloride erosion and continuous particle abrasion, greatly extending service life under harsh FGD working conditions.

✅ Optimized Hydraulic Design & High EfficiencyThe flow channel is optimized for solid-liquid two-phase flow. It delivers large flow, stable head and high operational efficiency, effectively cutting power consumption for long-cycle continuous running. Low vibration and low noise design ensure smooth operation under full load.

✅ Reliable Sealing SolutionsMultiple sealing types are available: mechanical seal, packing seal and dynamic seal. They effectively prevent slurry leakage, reduce maintenance frequency and avoid environmental pollution.

✅ Easy Maintenance (Back Pull-out Structure)The back pull-out design allows quick disassembly of rotating parts without removing suction and discharge pipelines, which saves downtime and maintenance cost significantly.

✅ Wide Working AdaptabilityIt handles slurry with solid content up to 30%–40%, operating temperature from -20℃ to 120℃. Customized designs are available for higher concentration, special temperature and anti-scaling requirements.

Typical Performance Range

• Flow rate: 500 – 15000 m³/h

• Head: 10 – 45 m

• Power: 22 – 1600 kW

• Medium: Limestone slurry, gypsum slurry, acidic waste slurry

• Standard: ISO 5199, compatible with mainstream FGD system standards

Application Fields

• Thermal power plants & heating stations

• Steel sintering, coking plants

• Petrochemical, chemical industry

• Waste incineration power plants

• Metallurgy and other exhaust gas desulfurization projects

Our Advantage

We provide complete desulfurization pump solutions, including material selection, performance matching, on-site technical guidance and spare parts supply. All pumps are strictly tested before delivery, suitable for long-term 24/7 continuous operation in environmental protection desulfurization systems. OEM & customized service is supported.