| 摘要 |
<p>The present invention refers to a micro irrigation nozzle (1) and its micro irrigation device (2) and micro irrigation system, in which the micro irrigation nozzle (1) includes a water-processing chamber (11), a filter element (14) mounted in said water-processing chamber (11), and at least one capillary head (15) linked to a outlet (13); the micro irrigation device (2) includes a water-collecting vessel (21) and above said micro irrigation nozzle (1) linked to the water-collecting vessel (21); the micro irrigation system includes a water-distributing pipes (3) and above said micro irrigation nozzle (1) linked to the water-distributing pipes. The present invention can efficiently control speed of water passing through capillary medium, so the working life of the whole apparatus is greatly prolonged.</p> |
