First, the main purpose Waterwheel pump is a turbine and pump coaxial combination of water pumping machinery. Turbine is the power part of the water pump, relying on the wheel under the action of a certain head, the water can be converted into mechanical energy. The rotation of the wheel is driven by the main shaft to rotate together with the pump impeller connected thereto. The water pump is a working part of the water wheel pump, and the water pump impeller rotates to lift the water from the lower part to the upper part. In addition, hydraulic pump can do power processing, power generation lighting and other comprehensive utilization. Second, the technical points Turbine pump Turbine and pump two kinds of hydraulic machinery co-axial combination of work. Water pump pumping irrigation than electricity irrigation, due to reduced energy conversion process, so the energy utilization is reasonable. Hydraulic pump performance parameters include head, flow, lift, water output, speed, mobility and efficiency. The head of the pump and turbine head work ratio called the head ratio, which is an important parameter of the water pump. In order to adapt to a variety of work head, head, flow conditions, hydraulic pump manufacturers have been the appropriate combination of various models to produce water pump. Users according to their own use to determine the working head, flow, lift, calculate the head ratio, you can choose the right water pump, such as the calculated head ratio greatly exceeds the head of the turbine manufacturers than the production, you should consider a few water wheel Pump in series operation method. The head-to-head ratio of tandem hydro-turbine pumps is the head-to-head ratio of a single hydro-pump multiplied by the number of units. If the site traffic flow can also be considered several parallel run turbine. To ensure the normal operation of the water pump. Installation is very important. Especially for the construction of machine pits and draft tubes, it must be constructed according to the manufacturer's instructions. This is the basis for ensuring the normal output of the turbine. Otherwise, it will affect the work efficiency of the entire unit. Third, the scope of application Turbine pumps use part of their own turbine for power, no other energy sources, and therefore, particularly suitable for use in areas not covered by the grid. Even when the power grid reaches the area, electricity tariffs are saved as compared with power generation. It can be widely used in various areas of the country to be irrigated. Fourth, the expected benefits Water pump has the advantages of simple structure, easy installation, easy maintenance, good running performance, less investment, low maintenance cost, eliminating the need for power costs. Therefore, decentralized, small pumping irrigation farmland is very applicable, there are more obvious economic comparative advantage.