Low-energy-consumption sewage treatment system

Abstract

The invention relates to the field of sewage treatment devices, in particular to a low-energy-consumption sewage treatment system which comprises a storage structure, first purification structures, asealing structure, a driving structure, a transmission structure and second purification structures. The plurality of second purification structures for storing biological fillers are rotationally connected to the transmission structure in a circumferential array manner, the plurality of first purification structures are matched with the second purification structures, the contact speed of the sewage and the biological fillers in the first purification structures and the second purification structures is increased, the sewage purification effect is improved, the space utilization efficiency isgreatly improved, and waste of space is reduced. Meanwhile, the transmission structure is conveniently driven through the driving structure, the transmission structure drives the plurality of secondpurification structures to rotate and revolve in the storage structure, and the contact rate of the sewage and the biological fillers in the first purification structures and the second purification structures is increased in the rotating process of the second purification structures, so that the purification effect and quality of the sewage are greatly improved.

Description

technical field [0001] The invention relates to the field of sewage treatment devices, in particular to a sewage treatment system with low energy consumption. Background technique [0002] With the continuous improvement of the country's sewage treatment standards and requirements, the existing activated sludge purification process can no longer meet the high standard requirements, so a new standard improvement technology has been proposed in the industry: by adding suspendable sludge to the biochemical pool The biological filler, the biofilm formed on the biological filler can form a combined process with activated sludge, which can greatly increase the biomass in the purification tank, strengthen the secondary biological treatment efficiency of sewage, and achieve high-efficiency deep denitrification; because the biological filler is Suspended in sewage, it will drift around with the water flow, which is not easy to recycle and control. Therefore, a biological purification...

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Problems solved by technology

[0002] With the continuous improvement of the country's sewage treatment standards and requirements, the existing activated sludge purification process can no longer meet the high standard requirements, so a new standard improvement technology has been proposed in the industry: by adding suspendable sludge to the biochemical pool The biological filler, the biofilm formed on the biological filler can form a combined process with activated sludge, which can greatly increase the biomass in the purification tank, strengthen the secondary biological treatment efficiency of sewage, and achieve high-efficiency deep denitrification; because the biological filler is Suspended in sewage, it will drift around with the water flow, which is not easy to recycle and control. Therefore, a biological purification wall that integrates biological fillers into the partition wall has appeared on the market, which can combine the biological purification ability of the biological filler with the partition wall. The shunting and equalizing ability of the flow can play a comprehensive role

[0003] However, after the partition wall is manufactured, it is inconvenient to quickly separate from the purification tank, the efficiency of maintenance is low, and it is not convenient to quickly replace and treat the biological filler of the partition wall. Multiple partition walls are arranged alternately to occupy a large space, and at the same time When the sewage flow passes through the partition wall, the contact time with the biological filler is extremely limited, and the biological purification treatment of the sewage by the biological filler is not sufficient, so that the purification effect of the sewage is poor

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