Anti-blocking drip irrigation system for Yellow River irrigation area and operation method

The invention relates to an anti-blocking drip irrigation system for a Yellow River irrigation area and an operation method. The anti-blocking drip irrigation system comprises a primary sedimentation tank, a clean water tank, a water return structure and a drip irrigation system, the outlet end of a water diversion system is communicated with the primary sedimentation tank, the primary sedimentation tank is communicated with the clean water tank, and a filter structure I is arranged between the clean water tank and the primary sedimentation tank; the water return structure is connected between the clean water tank and the primary sedimentation tank, the clean water tank is communicated with the drip irrigation system, a sand content detection module is arranged in the clean water tank, and a control module is connected with the sand content detection module, the water return structure and the drip irrigation system. According to the system, the sand content detection module is used for detecting the sand cont