Aeration tank return sludge treatment device

The embodiment of the invention provides an aeration tank return sludge treatment device, and relates to the technical field of sewage treatment. An aeration tank return sludge treatment device comprises a sludge activation tank, a filter device and a sundry collection tank, and the surface of the s...

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1. Verfasser: LIAO WENXIN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The embodiment of the invention provides an aeration tank return sludge treatment device, and relates to the technical field of sewage treatment. An aeration tank return sludge treatment device comprises a sludge activation tank, a filter device and a sundry collection tank, and the surface of the sludge activation tank is communicated with a sludge inlet pipe and a sludge outlet pipe; the filter device comprises a shell, a filter cartridge and a spiral conveying roller, the filter cartridge is mounted in the shell, the spiral conveying roller is rotatably mounted in the filter cartridge, and a sludge discharge channel is formed in the bottom end of the shell. Sludge is filtered through the filter cylinder, the sludge and impurities can be separated, the content of the impurities in the sludge is reduced, the quality of the sludge is improved, the rotating spiral conveying roller can convey the impurities in the filter cylinder, and the impurities can be conveyed into the impurity collecting pool after being