Domestic sewage treatment apparatus

Abstract

The invention relates to a domestic sewage treatment device, which includes a treatment box; two ends of the treatment box are respectively connected to a sewage inlet pipe and a clean water outlet pipe, and a first middle partition and a second middle partition are arranged at equal intervals in the treatment box. The first middle partition and the second middle partition divide the treatment box into a first-level treatment room, a second-level treatment room and a third-level treatment room. The aeration tube, two sets of dosing boxes are arranged on the top of the third-level treatment room, and the dosing box is connected with the third-level treatment room through the dosing pipeline; the invention is simply provided with a treatment box, and the first-level treatment room is set in the box 1, secondary treatment room and tertiary treatment room, the domestic sewage is treated three times to ensure the composite discharge standard of domestic sewage, and this device does not need special site settings, and any location with centralized sewage discharge can be used.

Description

technical field [0001] The invention relates to the technical field of sewage treatment equipment, in particular to a domestic sewage treatment device. Background technique [0002] The general term for the sewage discharged from urban domestic sewage into the urban sewage system; in the combined drainage system, it also includes production wastewater and intercepted rainwater; urban sewage mainly includes domestic sewage and industrial sewage, collected by the urban drainage pipe network and transported to sewage treatment Due to the high price of purification equipment, the current domestic sewage treatment method is simple, and generally choose simple filtration and directly discharge it into the sewage river, which greatly pollutes the environment. Contents of the invention [0003] The present invention overcomes the shortcomings of the above-mentioned prior art and provides a domestic sewage treatment device. The present invention is simply equipped with a treatme...

AI Technical Summary

Problems solved by technology

[0002] The general term for the sewage discharged from urban domestic sewage into the urban sewage system; in the combined drainage system, it also includes production wastewater and intercepted rainwater; urban sewage mainly includes domestic sewage and industrial sewage, collected by the urban drainage pipe network and transported to sewage treatment Due to the high price of purification equipment, the current domestic sewage treatment method is simple, and generally choose simple filtration and directly discharge it into the sewage river, which greatly pollutes the environment.

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