Fujian Longyan Power Plant | KQSN High-Flow Double Suction Pumps – Kaiquan

Thermal power generation plants rely heavily on uninterrupted cooling water flow to condense steam and maintain turbine vacuum balance. For Fujian Longyan Power Plant, fluid handling equipment needed to overcome key technical demands:

Massive Volume Transport: Condenser cooling systems demand continuous water flow reaching nearly 13,000 m³/h per pump to ensure thermal transfer balance.

Strict Energy Conservation Requirements: Operating continuously under heavy motor power (1,120 kW), even a 1% increase in pump efficiency yields significant annual power cost savings.

Uncompromising Equipment Lifespan: Power generation equipment must withstand continuous duty cycles with minimal vibration, mechanical wear, and unplanned downtime over decades of service.

Technical & Operational Benchmarks

To fulfill Fujian Longyan Power Plant's heavy-duty circulation requirements, Kaiquan deployed 6 units of the KQSN1200, engineered specifically for large-scale power infrastructure and water conservancy projects.

Designed using advanced Computational Fluid Dynamics (CFD) modeling, the Double-suction impeller minimizes inlet turbulence and dynamic axial forces, achieving an exceptional hydraulic efficiency.

Operating at a low rotational speed of 490 r/min drastically reduces internal cavitation risk, hydraulic erosion, and bearing vibration, significantly extending overall equipment service life.

The horizontally split casing allows easy maintenance and inspection of rotating elements without disturbing suction or discharge alignment, saving labor and maintenance downtime.

Operational Impact & Proven Longevity

18+ Years of Uninterrupted Performance: Deployed in 2008, the 6 pump units have provided reliable, fault-free cooling water displacement for nearly two decades.

Substantial Energy Savings: The high efficiency rating has optimized kilowatt-hour usage across continuous 24/7 operating schedules, significantly lowering total cost of ownership.

Proven Engineering Legacy: The success of the Fujian Longyan installation highlights Kaiquan’s technical mastery in large-bore, high-flow centrifugal pumps for global energy and heavy industrial sectors.