Micro -nano oxygenation system of water

The utility model discloses a micro -nano oxygenation system of water, including water pump, oxygenation pump and venturi, the water delivery side of pump links to each other with venturi's water inlet, and the oxygenation delivery side of pump links to each other with venturi's air inlet, and venturi's delivery port is connected with multistage impeller pump, and each blade of multistage impeller pump is equipped with a plurality of recessed breachs of arranging along the blade marginating compartment. This micro -nano oxygenation system of water has small in size, the cost is low, oxygenation efficiency is high, do benefit to advantages such as reducing the energy consumption. 本实用新型公开了种水体微纳米增氧系统，包括水泵、增氧泵和文丘里管，水泵的出口与文丘里管的进水口相连，增氧泵的出口与文丘里管的进气口相连，文丘里管的出水口连接有多级叶片泵，多级叶片泵的各叶片设有若干沿叶片边缘间隔布置的凹入缺口。该水体微纳米增氧系统具有体积小巧、造价低、增氧效率高、利于降低能耗等优点。