A microporous aerator and its manufacturing method

Abstract

The invention relates to a microporous aerator and a manufacturing method thereof. The microporous aerator has the advantages that water seepage is not likely to occur, the oxygen utilization rate is high and resistance is low, off-line cleaning can be achieved, and manufacturing cost is low. The invention further provides the manufacturing method of the microporous aerator. The microporous aerator comprises an air distribution pipe, a plurality of air releasers and a plurality of connection hoses. The air distribution pipe is arranged above the water surface. Each air releaser is arranged under the water surface in a drooping mode and comprises an air releaser base layer and an air releaser surface layer, wherein the air releaser base layer is a hollow cylinder made of a carbon material, the air releaser surface layer is arranged on the outer surface of the air releaser base layer and formed by compositing corrosion-resistant metal net plates, and the thickness of the air releaser surface layer is 50-80 micrometers. One end of each connection hose is connected to the air distribution pipe and communicated with the air distribution pipe, and the other end of each connection hose is connected to the corresponding air releaser and communicated with the interior of the corresponding air releaser. Macropores with the diameter of 5-6 mm are formed in the cylinder walls of the air releaser base layers, and micropores with the diameter of 30-50 micrometers are formed in the air releaser surface layers.

Description

Technical field [0001] The invention relates to the technical field of aerobic activated sludge wastewater treatment, and specifically relates to a microporous aerator and a manufacturing method thereof. Background technique [0002] The aerobic activated sludge process has a history of more than one hundred years of sewage treatment, and it is still an irreplaceable mainstream process for sewage treatment. According to statistics, 80% of the domestic municipal sewage treatment that has been built and under construction uses the activated sludge process; % Of industrial wastewater treatment also adopts or partly adopts this process. The aerobic activated sludge process is based on the natural water body. There is a microorganism (bacteria) in aerobic conditions that can use the carbon in the organic matter in the water as an energy source for respiratory metabolism and a nutrient source for anabolic metabolism. The microorganisms decompose the organic matter first , And then tak...

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Problems solved by technology

[0026] According to the analysis of the operation status of the products in the market, it is generally believed that the effect is very good at the beginning of use, but the decline is rapid. This enlightens us, whether there is a new product that can regenerate the aeration device repeatedly or replace a small number of parts, and can make the old look like new , and replace expensive imports at low prices

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