Agriculture is inseparable from water, and therefore from pumps. Different options for different regions and there are three main types of agricultural irrigation water pumps available: centrifugal pumps, submersible pumps and mixed flow pumps.
Agricultural irrigation centrifugal pump
The centrifugal pump uses the rotation of the impeller to cause centrifugal movement of water to work. There are many models that can be selected, and the range of flow and head can be selected. It is the most widely used pump in agriculture. Plain areas can choose centrifugal pumps with lower heads, hilly areas can choose moderate heads, and high-altitude areas can use multi-stage centrifugal pumps with higher heads. The user should choose according to the local conditions, water source and water lifting height.
Agricultural submersible pump
Submersible pump It is suitable for pumping water from deep wells: mainly used for farmland irrigation and plateau mountain area irrigation, mainly for plain areas lacking surface water
1. The submersible pump motor and water pump are integrated and operate submerged in water, which is safe and reliable.
2. There are no special requirements for well pipes and water pipes (ie: steel pipe wells, ash pipe wells, earth wells, etc .; under pressure permit, steel pipes, hoses, plastic pipes, etc. can be used as water pipes.
3. Convenient installation, use and maintenance, simple and small area, no need to build a pump room.
4. The structure is simple, saving raw materials.
5. Whether the use conditions of submersible electric pumps are appropriate, proper management has a direct relationship with the service life.
Agricultural mixed flow pump
The flow and head of the mixed flow pump are between the centrifugal pump and the axial flow pump. Small size, light weight, high efficiency, wide efficiency area, simple structure, convenient use and easy maintenance. The transmission medium is clean water or similar to clean water, suitable for farmland irrigation and drainage and industrial water supply and drainage.
Mixed flow pump belongs to a kind of pump between centrifugal pump and axial flow pump. The water output is large, but the head is low, and it is suitable for areas with abundant surface water sources.
The pump can be powered by a motor or a diesel engine.
After determining the type of agricultural water pump, we must consider its economic performance, especially pay attention to the choice of pump head and flow and its supporting power. It must be noted that the head (total head) indicated on the pump’s label is different from the water outlet head (actual head) in use. This is because there will be a certain resistance loss when the water flows through the water pipe and the pipeline. Therefore, the actual head is generally 10% -20% lower than the total head, and the water output is also reduced accordingly. Therefore, in actual use, it can only be estimated from 80% to 90% of the head and flow rate marked on the label. The power of the pump can be selected according to the power indicated on the label. In order to make the pump start quickly and use safely, the power of the power machine The power can also be slightly greater than the power required by the water pump, generally about 10% higher; if you have power, when you buy a water pump, you can buy the matching water pump according to the power of the power machine.