Micro irrigation heads are commonly used irrigation products for greenhouses, large plastic sheds, and field crops. They are widely utilized in micro-sprinkler irrigation for greenhouse flowers, plastic shed vegetables, and field fruit tree irrigation.
Micro irrigation heads also have many other uses. For example, hanging cross-atomizing micro-sprinkler heads can be used to atomize and cool places like pig sheds and breeding farms; hanging refractive-atomizing micro-sprinkler heads can be used to artificially create fog, altering the local microclimate; ground-insert refractive micro-sprinkler heads can form small fountains for viewing pleasure.
Micro irrigation heads can mainly be divided into three categories based on their structure: rotary micro irrigation heads, refractive micro irrigation heads, and atomizing micro irrigation heads.
Rotary micro irrigation heads generally consist of three parts: a refractive arm, a stand, and a nozzle. The rotary micro-sprinkler heads have a larger range, lower irrigation intensity, and smaller water droplets. Due to the high precision required in their moving parts' manufacture and the tendency of the rotary components to wear out, their service life is relatively short.
Refractive micro irrigation heads mainly consist of three parts: a nozzle, a refractive cone, and a support. Water is sprayed vertically upwards from the nozzle, hit by the refractive cone, dispersed into a thin water film that is sprayed outwards, forming fine droplets scattered on the surrounding ground under the effect of air resistance.
Atomizing micro irrigation heads, also known as cross atomizing sprinkler heads, are characterized by a simple structure. They use a vortex nozzle that provides a swirling spray, reducing the likelihood of clogging. The atomization effect is excellent, and combined with an integrated diaphragm anti-drip valve, it can prevent drip damage to seedlings after spraying stops. Low-flow atomizing sprinkler heads are vertically installed in appropriate positions for seedling cutting in greenhouses and for humidity control.
When micro-sprinkler heads are installed upside-down, install an anti-drip device to prevent dripping water from damaging flowers after the water supply stops;
If the micro-sprinkler system and drip irrigation system share one water source in a facility, install a pressure reduction device on the drip irrigation system or a local pressurization device on the micro-sprinkler system to ensure that both systems function properly;
Micro-sprinkler devices must be cleaned regularly, preferably after each irrigation. Do not remove the filter core and leave it unused.
Micro-sprinkler irrigation also helps increase air humidity and adjust the microclimate in the field. However, in some cases, such as lawn micro-sprinkler irrigation, which involves full-area irrigation, it does not strictly fall under the category of local irrigation but rather a low-flow irrigation technology.
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