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Water pump technology
The main purpose of a waterwheel pump is to combine a turbine and a pump into one system for efficient water lifting. The turbine acts as the power source, converting the energy of flowing water under a certain head into mechanical energy. This mechanical energy is then used to drive the pump impeller through a shared shaft, allowing the pump to lift water from a lower to a higher elevation. Unlike electric pumps that require external power, the waterwheel pump utilizes the natural flow of water, making it an eco-friendly and cost-effective solution.
Additionally, hydraulic pumps can be used for various purposes beyond just pumping water, such as power generation, lighting, and other forms of energy utilization. They are versatile machines that can be adapted to different environments and applications.
From a technical perspective, a waterwheel pump combines a turbine and a pump in a co-axial configuration. Compared to electric irrigation systems, which involve multiple energy conversion steps, waterwheel pumps reduce energy loss and improve overall efficiency. Key performance parameters include head, flow rate, lift, output, speed, mobility, and efficiency. The ratio between the pump head and the turbine head is known as the head ratio, which is crucial for determining the pump's effectiveness. Manufacturers design various models to suit different working conditions, and users should choose the appropriate pump based on their specific requirements. If the calculated head ratio exceeds the turbine's capacity, multiple waterwheel pumps can be connected in series to increase the total head. In cases where flow rate is high, parallel operation may also be considered.
Proper installation is essential for the smooth operation of the pump. The construction of the machine pit and draft tube must follow the manufacturer’s guidelines to ensure optimal performance. Any deviation from these instructions can significantly affect the system's efficiency and output.
Waterwheel pumps are especially suitable for areas without access to the electrical grid, as they operate independently using the kinetic energy of water. Even in regions with electricity, they offer cost savings by eliminating power expenses. Their versatility makes them ideal for irrigation in various parts of the country.
In terms of benefits, waterwheel pumps are simple in design, easy to install, and require minimal maintenance. They have good operational performance, low initial investment, and no ongoing power costs. These features make them highly suitable for small-scale, decentralized irrigation projects, offering clear economic advantages over traditional systems.