Water treatment device

Abstract

The invention relates to a water-treatment device. The water-treatment device comprises a grating channel, a grit chamber, a biological rotating disc and a depth treatment system, wherein the grating channel, the grit chamber, the biological rotating disc and the depth treatment system are successively connected in series. The water-treatment device is characterized in that a self-priming pump is arranged outside the grit chamber, a water inlet of the self-priming pump is connected with a flexible pipe, and a water inlet of the flexible pipe is provided with a filtering nozzle; the filtering nozzle is connected with a floating ball, an outlet of the self-priming pump is connected with an inlet of a separation box, and an outlet of the separation box is connected with a water channel of the biological rotating disc through a water carrying pipeline; the biological rotating disc is positioned on the upper part of the water channel, and part of a biological disc piece is soaked in the lower part of a liquid surface of the water channel; a reflux pump is arranged outside the water channel, an inlet of the reflux pump is positioned in the middle of the water channel, and an outlet of the reflux pump is positioned in the bottom of the water channel; an outlet of the water channel is connected with an inlet of the depth treatment system. Compared with the prior art, the water-treatment device provided by the invention has the advantages that the peculiar smell is not generated, mosquitos and flies are not bred, the sludge output is small, the biological disc piece adopts a concave-convex plate, and the biomass is high; the whole denitrification effect is excellent; the total energy consumption is low; a condition that the water quality effluent can steadily achieve a standard is effectively guaranteed; the water-treatment device has the advantages that the structure is compact, and the operation and management are simple and convenient.

Description

technical field [0001] The invention relates to a water treatment device. Background technique [0002] The biological turntable belongs to the biofilm treatment technology. This treatment process has the advantages of wide application range, less sludge output, simple structure, low energy consumption, convenient management, and easy operation. It has significant advantages for small and medium-scale sewage treatment. However, due to the limitation of the disc area of ​​the traditional biological turntable, the biological turntable can provide a small attachment area for microorganisms, resulting in low biomass, low specific surface area, poor denitrification effect, and is easily affected by low temperature and impact load resistance. At the same time, because the exposure of the equipment is easy to breed mosquitoes and flies, which will affect the environment, these factors limit the promotion and application of biological turntables. Contents of the invention [0003...

AI Technical Summary

Problems solved by technology

However, due to the limitation of the disc area of ​​the traditional biological turntable, the biological turntable can provide a small attachment area for microorganisms, resulting in low biomass, low specific surface area, poor denitrification effect, and is easily affected by low temperature and impact load resistance. Poor, at the same time, because the exposure of the equipment is easy to breed mosquitoes and flies, which will affect the environment, these factors limit the promotion and application of biological turntables

Images