| 摘要 |
PURPOSE: An apparatus for generating and feeding microbubbles for contaminated wastewater is provided to accomplish an improved performance of removing oil particle while allowing the contaminated wastewater to be fed with a pressure water containing the desired amount of air. CONSTITUTION: An apparatus comprises a water supply unit(A) having a processing water storage tank(1) and a booster pump(2) and which supplies the water stored in the tank(1) to a pressure tank(4) through a water supply line(3), a pressure unit(B) having an air compressor(6) for feeding a pressure air to the tank(4) through an air supply line(5), a level switch(7) and an automatic valve(8) and which supplies the pressure water containing air to a dissolved air floating tank(10) through a pressure water supply line(9), and a micro bubble injection unit(C) constituted by the dissolved air floating tank(10) having a micro bubble injection valve(11) connected to the pressure water supply line(9) and which injects micro bubbles to contaminated wastewater through a contaminated wastewater inlet line(12).
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