First, the regular greenhouse greenhouse of each accessory to do a good job of maintenance and maintenance.   

  (1) each month must be opened in turn the end of each wheel irrigation group plug, using high pressure flushing the main branch pipeline accumulated dirt, to prevent it from entering the drip irrigation pipeline;

  (2) every month, all the stacked pieces will be removed and immersed in acetic acid until the stains are completely removed, loaded back to pay attention to the number of stacked pieces of each group, do not underloading;

Second, before stopping irrigation in winter, all the pipelines and drip irrigation lines for cleaning, stacked piece of filter cleaning and separation of placement, stacked piece of shell must be removed and placed flat;

Third, all the bolts of pipeline connections in the pump room must be relaxed, but do not have to be completely removed;

Fourth, all ball valves (including the filter on, field ball valves) must be in the half-open position;.

V. Filter automatic controller on the differential pressure gauge at both ends of the water inlet command pipe removed to drain water.

Sixth, the sand collection chamber under the sand separator to open the middle connection part, the two ends will be raised to drain the water.