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The micro sprinkler head is an important part of the micro irrigation system. It is closely connected with the quality of spraying and the reliability of the operation of the whole system. It adopts composite the technology of hyperboloid refraction. A series of micro sprinkler heads hanging upside down have been developed, which consist of four parts of inserted pole, joint, micro pipe and nozzle. Adopting the standard size connection, all the parts can be replaced and modified; By changing the size of the nozzle, we can give a rise to a series of products with a variety of flows and specifications; Change the passageway design of the runner. According to the existing structure form and working principle of the micro sprinkler head, it can be generally divided into four types of jet, centrifugal refraction and gap.

Ⅰ. Applications of the micro sprinkler heads

The role of the micro irrigation spray heads is to help farmers complete irrigation and other operations in different fields and environments. And now the micro sprinkler heads adopt engineering plastics which boast strong wear resistance, long service life, easy installation and maintenance at the time of use. Thus, the micro sprinkler heads are a cheap, economical and practical tool.

Ⅱ. Advantages of the micro sprinkler heads

1. The micro sprinkler heads with the technologies of refraction and atomization are commonly used in greenhouses to irrigate crops. Its characteristic is small spraying water (40L/H), large irrigation area, small average water consumption, and low pressure in the micro china irrigation filter system. What's more, because it does not need large pressurized equipment, the energy consumption is small. Filtered by the screen filter, the water and fertilizer solution is sprayed out through the micro sprinkler head, and at the same time, the root and foliage of crops can be fertilized so as to improve the utilization rate of fertilizer. Compared with the traditional ground irrigation, the refraction atomized micro sprinkler head irrigation saves more than 70% water and 30% fertilizer, and saves about 50% energy compared with the large and medium sprinkler head irrigation.

2. The use of ground inserted type refraction atomized micro sprinkle head for crop irrigation can improve the yield and quality, and is usually applied in the production of fruit and vegetable products, with great benefits. The yield of citrus, apple, black fungus and pepper can be increased respectively by more than 30%, 20% to 30%, 1 to 2 times and 30% to 40% on average.

3. The use of refraction atomized micro sprinkler head or double side wheel micro sprinkler head for irrigation boasts big spraying radius, and good atomization effect. Compared with the drip irrigation zone, drip irrigation pipe, drip arrow and drip head in the micro irrigation system, it is less affected by terrain, and can meet the irrigation needs under different conditions.