Domestic sewage treatment device for separating and circularly treating grey water and black water

Abstract

The invention discloses a domestic sewage treatment device for separating and circularly treating grey water and black water. The invention relates to the technical field of domestic sewage treatment.The device particularly comprises a first separation cavity, a second separation cavity and a third separation cavity, wherein the first separation cavity, the second separation cavity and the thirdseparation cavity are sequentially arranged in the water tank; a sewage inlet pipe penetrates through one side of the lower portion of the first separation cavity, and first liquid pumping mechanismspenetrate through the upper portions of the interiors of the first separation cavity and the second separation cavity. The domestic sewage treatment device is used for separating and circularly treating grey water and black water; since the liquid pumping mechanism is arranged, separated extraction of grey water and black water can be achieved; in the separation process of the black water and thegrey water, a multi-time separation method is adopted, wherein the black water and the grey water are separated again on the basis of one-time separation, so that the black water and the grey water can be separated as much as possible through the means, and the sewage treatment efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of domestic sewage treatment, in particular to a domestic sewage treatment device for separating and recycling gray water and black water. Background technique [0002] Domestic sewage treatment plays a very important role in modern people's life. Human beings use a lot of water every day, so a lot of domestic sewage will be produced. Domestic sewage is directly discharged into rivers, lakes and seas, which pollutes these natural water bodies. Therefore, a sound city needs to have a sewage treatment system. The sewage treatment system should include a sewage collection system and a sewage treatment system. In the process of sewage treatment, the sewage needs to be classified first. More is called black water, while less turbidity can be called gray water. [0003] Black water and gray water are classified according to the color of sewage. Usually, sewage will be stratified after sedimentation. The upper lay...

AI Technical Summary

Problems solved by technology

[0003] Black water and gray water are classified according to the color of sewage. Usually, sewage will be stratified after sedimentation. The upper layer is the so-called gray water, while the lower layer is black water, black water and gray water. The amount of impurities is different. Comparatively speaking, gray water is better treated than black water. However, if the two are combined for treatment, it will undoubtedly reduce the overall treatment efficiency of sewage and consume treatment costs.

[0004] In the process of sewage treatment, the separation and treatment of black water and gray water is relatively lacking. In most cases, the sewage is filtered and then treated, or the sewage is subjected to simple sedimentation and then separate treatment. These treatment methods are for In terms of pre-treatment of domestic sewage, the effect is poor, and the treatment is not targeted, which easily leads to waste of reagents and meaningless treatment steps

Images