Three-section biological rotating disc sewage treatment device

Abstract

The invention relates to a three-section type biological rotating disc sewage treatment device which comprises a rotating shaft, a rotating disc and a plurality of biological contact bodies. The biological contact bodies are fixed on the rotating shaft through the rotating disc; the rotating disc and the rotating shaft are concentrically arranged, the rotating disc comprises two outer rotating discs and two inner rotating discs, the two outer rotating discs are fixed to the two ends of the rotating shaft respectively, and the two inner rotating discs are evenly and detachably arranged in the middle of the rotating shaft; the biological contact bodies are arranged between the outer rotating discs and the inner rotating discs and between the two inner rotating discs, and the biological contact bodies and the rotating shaft are concentrically arranged; the rotating shaft comprises a driving shaft head, a driven shaft head and a rotating shaft main body, the rotating shaft main body is of a hollow cylindrical structure and is formed by connecting a plurality of sections of hollow cylinders end to end, the driving shaft head is fixedly connected to one end of the rotating shaft main body, and the driven shaft head is detachably connected to the other end of the rotating shaft main body; and the driving shaft head and the driven shaft head are concentric with the rotating shaft main body.

Description

technical field [0001] The invention belongs to the technical field of environmental protection equipment, and in particular relates to a three-stage biological turntable sewage treatment device. Background technique [0002] With the development of my country's industrial industry and the improvement of people's living standards, the discharge of domestic sewage and industrial wastewater has increased year by year, posing a great challenge to the technical level and processing capacity of existing and newly built sewage treatment plants. Biological sewage treatment technology is an important part of the water treatment field and has a wide range of applications. Among them, the biofilm technology is characterized by the cultivation of domesticated microorganisms and the formation of biofilms. The sewage flows through the biofilms and degrades organic matter under the biochemical action of microorganisms, which has the advantages of environmental protection and high efficien...

AI Technical Summary

Problems solved by technology

However, in the face of the increasing amount of sewage treatment, the conventional approach is to increase the number of biological turntables and related equipment, which requires more floor area or space, and another way is to continuously increase the number of biological turntables and related equipment. size, which poses a challenge to the performance of the device in many aspects

However, with the increase in the size of the biological turntable and its related equipment, the weight of the biological turntable continues to increase, or the number of turntables is required to increase, all of which pose a severe test to the mechanical performance of the rotating shaft of the existing biological turntable

[0004]In addition, in the face of the continuous improvement of sewage treatment standards, the task of upgrading and transforming old sewage treatment plants is heavy. For biological turntables and related equipment that meet the requirements, it is necessary to develop devices with stronger applicability, which poses challenges for those skilled in the art

Images