horizontal double suction centrifugal pump pump hardware tools for farmland irrigation flood control drainage construction temporary water supply

The diagram shows a dual-suction pump, which is a common fluid conveyance device. Its features and applications are as follows:

Structure and Principle

- Structure: There are two suction ports, with water being sucked from both sides of the impeller, which is equivalent to a combination of two identical single-suction impellers facing each other. The pump casing is typically a horizontal mid-opening design, which is convenient for installation, maintenance, and repair, without the need to disassemble the pump body or the pipe system.

- Principle: The pump relies on the high-speed rotation of the impeller to generate centrifugal force, which forces the liquid in the pump to be thrown from the center of the impeller towards the pump casing under the action of centrifugal force. The flow rate increases and the pressure rises, and the liquid is collected and guided to the outlet for discharge. Meanwhile, the impeller inlet forms a vacuum, and under the action of atmospheric pressure, liquid is continuously sucked into the pump.

Advantage

- High flow rate: The dual suction port design allows for greater flow rate compared to single suction pumps of the same specification, making it suitable for high flow conditions.

- Smooth operation: The forces on both sides of the impeller are essentially balanced, resulting in low axial forces, minimal vibration, and low noise, which extends the service life of the equipment.

- Good anti-cavitation performance: The dual suction structure makes the pump inlet flow velocity relatively low, resulting in a small effective cavitation margin, which can to some extent avoid the occurrence of cavitation.

Application field

- Municipal water supply: Used for water intake and transportation at urban water plants, as well as for boosting pressure in municipal pipelines, to meet the large-scale water demand of cities.

- Industrial field: In industries such as chemical, power, and metallurgy, it is used for liquid transportation in the process flow, such as the transportation of chemical raw materials and the transportation of circulating water in power plants.

- Hydraulic engineering: widely applied in irrigation and drainage pump stations, achieving large-scale agricultural irrigation and drainage in low-lying areas.double suction pump