Device for comprehensively testing performance of spray nozzles

The invention relates to a device for comprehensively testing the performance of spray nozzles, which is characterized by comprising a water tank, a spray nozzle connection pipeline, a set of circular water delivery pipeline and an electric stirrer, wherein transparent observation windows are arranged on the top and at the periphery of the water tank; a fixed support frame is arranged in the water tank; the bottom of the water tank is provided with a water drainage pipeline with a valve; the upper part of the water tank is provided with an air inlet which is higher than a test water surface in the water tank; the spray nozzle connection pipeline is arranged on the fixed support frame and provided with a plurality of spray nozzle connection seats for arranging test spray nozzles and pressure-measuring joints; the circular water delivery pipeline comprises a main water pump; the two ends of the main water pump are connected with test water in the water tank and a water inlet of the spray nozzle connection pipel