Micropore aeration device

Abstract

The invention discloses a micropore aeration device. The device comprises a body (3), an air hole board (2) and a screw cover (4), wherein the body (3) is funnel-shaped; a plurality of aeration micropores are uniformly formed in the air hole board (2); the air hole board (2) is fixed at the funnel end of the funnel-shaped body (3) through the screw cover (4). The device has the advantages of small aeration bubbles, low cost, small size, light weight, high treatment efficiency, and the like.

Description

technical field [0001] The invention relates to a microporous aeration device. Background technique [0002] The marine sewage treatment device generally adopts the biochemical method for treatment, that is, the aerated and oxygenated sewage flows through the filler at a certain flow rate, so that the filler is covered with biofilm, and the sewage and biofilm are in contact. Under the action of the biofilm, it is good Aerobic bacteria continuously devour organic matter to purify the sewage; the aeration system has a great effect on the reproduction of aerobic bacteria and the formation of biofilm. If the oxygen concentration is low, the reproduction of aerobic bacteria will be inhibited, so there will be fewer aerobic bacteria, less biofilm will be formed, and less organic matter will be addicted to it. The same organic matter content will take longer to decompose, or, at a certain Under the premise of time, the amount of decomposition of organic matter is small. The high ...

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Problems solved by technology

[0003] In the above-mentioned sewage treatment process, the medium and large-scale domestic sewage treatment devices are basically reduced boards. However, due to the small space, the aeration system of the small device adopts the current common aeration method. During the same biochemical treatment time, the discharged water The test is generally unqualified; at present, most of the tube aerators are used. There are generally small holes on the aeration tube, and there is an intermediate connecting tube to supply air to both ends, and there is also a single-end air supply. The disadvantages are: large air loss in the pores and energy consumption. High; the bottom area of ​​the small domestic sewage treatment plant is small, the length of the aeration pipe is short; it is easy to block; the aeration area is small; the bubbles are large, the aeration is uneven, and the oxygen utilization rate is not high; in the acid-base environment, the corrosion resistance is not good High, short replacement cycle; there are some hose aerators, with small holes on the top, single-end air supply, the disadvantages are: easy to block and stain; small devices have small bottom area, short tubes, and small aeration area; large air holes , high energy consumption; large bubbles, uneven aeration, low oxygen utilization rate

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