Seepage flow practical training system and measuring weir meter calibration method

The seepage flow practical training system comprises a weir groove, a weir plate, a water tank, a water inlet pipe, a water drainage pipe, an adjusting pump, a water measuring weir meter, a plurality of measuring devices, a temperature control module, a reading ruler and a timing module, the weir plate is detachably assembled in the weir groove in a sealed mode, and the weir groove is divided into a first groove body and a second groove body by the weir plate; the water inlet pipe is connected between the water tank and the first groove; the drainage pipe is connected between the water tank and the second groove; the adjusting pump is arranged on the water inlet pipe and used for pumping water in the water tank into the first groove. The water measuring weir meter and the multiple measuring devices are arranged in the first groove, and the temperature control module is arranged in the first groove and used for adjusting the water temperature in the weir groove; the reading ruler and the timing module are arra