Granular sludge sewage treatment device capable of controlling diameter and density of granules
A sewage treatment device and granular sludge technology, which is applied in the direction of aerobic and anaerobic process treatment, can solve the problems of no biological treatment process, etc., and achieve the effect of good effluent water quality, good effluent water quality and high oxygenation efficiency
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[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0023] As shown in the accompanying drawings, the present invention is a granular sludge sewage treatment device that can control particle size and density, including a concentric inner cylinder 10 and an outer cylinder 11, the lower edge of the inner cylinder 10 is higher than the lower edge of the outer cylinder 11 The upper edge of the inner cylinder 10 is lower than the upper edge of the outer cylinder 11. The outer cylinder 11 is fixed upright on the base 21. There is a water outlet 7 on the side wall of the outer cylinder 11. The inner cylinder 10 is fixed by the inner cylinder support pile 14. On the base 21, an aeration device 12 is arranged in the annular space between the inner cylinder 10 and the outer cylinder 11, the aeration device 12 is fixed on the base 21 through the aeration device support pile 15, and the aeration device 12 i...
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