Semi-Submerged Multistage Centrifugal Pump

Product Overview

The Semi-Submerged Multistage Centrifugal Pump is a cryogenic liquid transfer device designed for high flow and high head operating conditions. It is suitable for transporting cryogenic media such as liquid oxygen (LOX), liquid nitrogen (LN2), liquid argon (LAr), and liquid air.

The pump adopts a multistage centrifugal structure, where multiple impellers are arranged in series to gradually increase pressure, achieving stable high-head output while maintaining excellent flow performance. With a robust structure and reliable operation, the pump can operate continuously under cryogenic conditions, making it widely used in air separation, energy storage systems, and chemical processing industries.

Working Principle

The Semi-Submerged Multistage Centrifugal Pump operates by using a motor to drive the impeller to rotate. Under centrifugal force, the liquid accelerates from the center of the impeller toward the outer edge, where kinetic energy is converted into pressure energy through the guide vane structure.

Multiple impellers arranged in series allow the liquid to gain pressure stage by stage, enabling high-head delivery. Part of the pump body remains immersed in the cryogenic liquid, which effectively reduces the risk of cavitation and improves suction performance. The pump is constructed with cryogenic-resistant materials and reliable sealing structures, ensuring stable long-term operation in low-temperature environments.

Key Features

• High Efficiency Performance:Multistage centrifugal design delivers both high head and large flow capacity.
• Excellent Cryogenic Compatibility:Suitable for transporting LOX, LN2, LAr, and other cryogenic liquids.
• Stable Operation:Optimized structure ensures smooth operation and long-term continuous service.
• High Durability:Cryogenic-resistant materials and reliable sealing technology extend service life.
• Energy-Efficient Design:Optimized pump structure and motor matching reduce energy consumption and improve efficiency.

Applications

• Air Separation Industry:Used for transferring liquid oxygen, liquid nitrogen, and other cryogenic liquids in air separation units to ensure stable production processes.
• Energy Storage Systems:Suitable for transporting cryogenic liquids in low-temperature energy storage or related energy systems, maintaining stable and efficient operation.
• Chemical Industry:Provides reliable liquid transfer solutions for cryogenic chemical processes, ensuring safe and continuous production.