Device and method for automatic wind-power sewage aeration
An aeration device and automatic technology, applied in water aeration, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problem of high energy consumption, achieve low energy consumption, high wind energy utilization rate, and simple structure reasonable effect
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[0018] Example 1
[0019] A set of the above-mentioned wind aeration device is produced, which is characterized in that the length of the wind blade is 50 cm, the area of each blade is 750 cm, and there are 3 wind blades in total. The air compressor has a volume of 20L. Use it to aerate the activated sludge sewage treatment plant with a volume of 1m3. When the wind speed is 3.2m / s (secondary wind), the aeration capacity of the device is 60L / min. When the wind speed is 9.0m / s (five-level wind), the aeration capacity of the device is 140L / min.
[0020] The concentration of dissolved oxygen in the sewage without aeration is 2.4 mg / L. Using this device for aeration, when the wind speed is 3.2m / s (second-level wind), the dissolved oxygen in the sewage increases to 4.1mg / L, when the wind speed is 9.0m / s (fifth-level wind), the dissolved oxygen in the sewage The oxygen increased to 8.1mg / L (basically saturated), and there were obvious bubbles coming out of the water. Cor
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