Perforated pipe sparger provided with air flue at bottom and sparging method thereof

Abstract

The invention discloses a perforated pipe sparger provided with an air flue at the bottom. The perforated pipe sparger provided with the air flue at the bottom comprises a perforated pipe sparger bodywhich is provided with a sparging hole, wherein air enters through one end of the perforated pipe sparger body, and the other end of the perforated pipe sparger body is provided with a closing platefor closing. The perforated pipe sparger provided with the air flue at the bottom is characterized in that the perforated pipe sparger body is arranged on the cross section of the sparging hole; an inner layer is arranged on the inner side of the bottom part of the perforated pipe sparger body in the circumference direction of the sparging pipe, and the upper part of the inner wall extends to thesparging hole; the air flue is formed between the inner wall and the wall of the perforated pipe sparger body; the upper end of the air flue is communicated with the sparging hole; an air hole is formed in the inner wall of the bottom part of the air flue and is communicated with an inner space of the perforated pipe sparger body. With the adoption of the perforated pipe sparger provided with theair flue at the bottom, sparging air fully passes through the air hole in the perforated pipe sparger body before flowing through the sparging hole, so that water accumulated in the perforated pipe sparger body can be completely removed. Additionally, water in the perforated pipe sparger body can be completely removed, and the influence on the arrangement height of the sparging hole is avoided.

Description

Technical field [0001] The invention relates to a bottom airway perforated aeration pipe and an aeration method thereof. The device is mainly used in the water treatment aeration process. By setting up a special air channel at the bottom of the perforated aeration tube, the water accumulated at the bottom of the perforated aeration tube can be completely eliminated, and the inside of the perforated aeration tube can be guaranteed to be unblocked. Background technique [0002] Perforated aeration tube is a common aeration device in aeration process. At this stage, the common perforated aeration pipe is horizontally opened diagonally downwards. This downwardly inclined jet of gas not only has a better diffusion effect, but also has the effect of scouring the bottom of the pool to avoid mud accumulation. Some perforated aeration pipes use horizontal openings or oblique upward openings. This opening method has better gas diffusion effect, but the bottom scouring effect is poor. Som...

AI Technical Summary

Problems solved by technology

[0003] However, except for the perforated aeration tube with holes at the bottom, other types of perforated aeration tubes have the problem of gas-water two-phase separation during aeration.

The higher the opening position of the stomata, the smaller the available cross-sectional area of ​​the gas in the perforated aeration tube, and the opening position of the perforated aeration tube is greatly restricted

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