Urban sewage treatment device

Abstract

The invention discloses an urban sewage treatment device, and relates to the technical field of household sewage treatment equipment. The urban sewage treatment device comprises a domestic sewage inlet pipe and a sewage treatment box connected with the domestic sewage inlet pipe, the upper end face of the sewage treatment box is detachably connected with a box cover, a filtering device is arranged on the left portion of the box cover, and a sundry cleaning device is arranged in the middle of the box cover and located in an inner cavity of the sewage treatment box. A sundry collecting device is arranged on the upper end face of the box cover and located on the right side of the sundry cleaning device, an oil stain separating device is arranged on the right portion of the box cover and located in an inner cavity of the sewage treatment box, and an oil stain collecting device is detachably connected to the right side of the sewage treatment box; protective boxes are detachably connected to the front edge and the rear edge of the upper end face of the box cover through mounting edges, a control device is arranged on the left side of the front end face of each protective box, and the problems that an existing urban sewage treatment station is large in investment and high in maintenance cost and is not suitable for small-range residents to conduct sewage treatment and cyclic utilization are solved.

Description

technical field [0001] The invention relates to the technical field of household sewage treatment equipment, in particular to an urban sewage treatment device. Background technique [0002] Domestic sewage is the wastewater discharged from residents' daily life, mainly from residential buildings and public buildings, such as residences, institutions, schools, hospitals, shops, public places and industrial enterprise toilets. The pollutants contained in domestic sewage are mainly organic matter (such as protein, carbohydrates, fat, urea, ammonia nitrogen, etc.) and a large number of pathogenic microorganisms (such as parasite eggs and intestinal infectious viruses, etc.). The organic matter present in domestic sewage is extremely unstable and easily rots to produce stench. Bacteria and pathogens reproduce in large numbers using organic matter in domestic sewage as nutrients, which can lead to the spread of infectious diseases. Therefore, domestic sewage must be treated befo...

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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides an urban sewage treatment device, which solves the problem that the existing urban sewage treatment stations have large investment and high maintenance costs, and are not suitable for small-scale households to carry out sewage treatment and recycling.

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