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Correct Installation and Use of Drip Irrigation System

Correct Installation and Use of Drip Irrigation System

Drip irrigation system has many advantages such as lowering humidity, raising ground temperature, saving water, saving labor, high efficiency, and increasing production. However, in the use of greenhouse drip irrigation, there are often problems such as damage to the emitter, clogged drip hole, poor water uniformity and small flow. In order to avoid the occurrence of the above problems, users should pay attention to the following points.

1. Choose the right drip irrigation system   

①Select the appropriate water pump through calculation or according to the design requirements; design a reasonable water supply pipe diameter and pipe length through calculation to achieve a higher uniformity; the water supply pipe should choose a PE pipe with anti-aging performance.  

②The irrigator is a key component, and the best emitters for drip irrigation with uniform water output, strong anti-clogging ability, and easy installation and use should be selected.  

③The selected drip irrigation filter should be 120 mesh or 150 mesh, and has the advantages of corrosion resistance and easy washing. 

2. Install the drip irrigation system correctly:   

① The installation of the water supply pipeline should adopt a two-way water distribution method, and strive to have a balanced layout on both sides.  

② During the installation of the first hub, one pressure gauge and one valve must be installed before and after the filter. The purpose is to observe the pressure difference before and after the filter and to facilitate the adjustment of flow and pressure, as well as to facilitate the cleaning of the filter.

3. Correct use of drip irrigation system      

① To control the pressure of the drip irrigation system, the working pressure of the system should be controlled within the specified standard range.  

②The filter is a key component to ensure the normal operation of the system and should be cleaned frequently. If the filter is found to be damaged, replace it in time.  

③The irrigator is easy to damage, so it should be placed carefully and managed carefully. It should be gently rolled up when not in use, and should not be stepped on or dragged on the ground. 

④Strengthen management to prevent debris from entering the irrigator or water supply pipe. If sundries have entered, the plugging head should be opened and rinsed off in time.  

⑤When the temperature in the greenhouse is too low in winter, take corresponding measures to prevent the plastic parts, water supply pipes and irrigators from freezing and cracking.  

⑥ In drip irrigation, slowly open the valve and gradually increase the flow to drain the air, reduce the impact pressure on the irrigator, and prolong its service life.

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