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Double-layer high-efficiency superfine-micropore aeration header

An aeration head and ultra-fine technology, applied in water aeration, sustainable biological treatment, water/sludge/sewage treatment, etc., can solve the problems of low efficiency and high energy consumption, and achieve high strength, good air permeability, The effect of reducing drag

Inactive Publication Date: 2011-10-12
JIANGSU YIYANG WATER IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a double-layer high-efficiency ultra-fine microporous aeration head in order to overcome the deficiency of high energy consumption and low efficiency of the existing aerators

Method used

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  • Double-layer high-efficiency superfine-micropore aeration header

Examples

Experimental program
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Effect test

Embodiment 1

[0039] Such as figure 1 As shown, a double-layer high-efficiency ultra-fine microporous aerator head, the inner layer is a conventional brown corundum aerator head 1, and the outer surface of the brown corundum aerator head is coated with a layer of superfine corundum with a thickness of 0.5 mm and a pore diameter of 65 μm. Microporous layer 2. The wall thickness of the conventional brown corundum aeration head 1 in the inner layer is 13 mm, the aperture is 180 μm, the shape is bell-shaped, the diameter is 200 mm, and the height is 38 mm.

[0040] The double-layer high-efficiency ultra-fine microporous aeration head can be prepared by the following method:

[0041] (1) Use brown corundum sand with a particle size of 50 meshes, add wood chips equivalent to 6% of the weight of brown corundum sand and yellow dextrin materials equivalent to 3% of the weight of brown corundum sand, and mix them mechanically to make an exposed corundum with a wall thickness of 13mm. The air head i...

Embodiment 2

[0044] Such as figure 2 As shown, a double-layer high-efficiency ultra-fine microporous aerator head, the inner layer is a conventional brown corundum aerator head 1, and the outer surface of the brown corundum aerator head is coated with a layer of brown corundum precision with a thickness of 0.3 mm and a pore diameter of 56 μm. Microporous layer 2. The wall thickness of the conventional brown corundum aeration head 1 in the inner layer is 12 mm, the aperture is 150 μm, the shape is a circular arch, the diameter is 300 mm, and the radius of the circular arch is 100 mm.

[0045] The double-layer high-efficiency ultra-fine microporous aeration head can be prepared by the following method:

[0046] (1) Use brown corundum sand with a particle size of 45 meshes, add wood chips equivalent to 3% of the weight of brown corundum sand and yellow dextrin materials equivalent to 1% of the weight of brown corundum sand, and mix them mechanically to make an exposed corundum with a wall t...

Embodiment 3

[0049] Such as figure 1 As shown, a double-layer high-efficiency ultra-fine microporous aerator head, the inner layer is a conventional brown corundum aerator head 1, and the outer surface of the brown corundum aerator head is coated with a layer of white corundum with a thickness of 0.7mm and a pore diameter of 80μm. Microporous layer 2. The wall thickness of the conventional brown corundum aeration head 1 in the inner layer is 14 mm, the aperture is 250 μm, the shape is bell-shaped, the diameter is 200 mm, and the thickness is 40.

[0050] The double-layer high-efficiency ultra-fine microporous aeration head can be prepared by the following method:

[0051] (1) Use brown corundum sand with a particle size of 65 meshes, add wood chips equivalent to 5% of the weight of brown corundum sand and yellow dextrin materials equivalent to 2% of the weight of brown corundum sand, and mix them mechanically to make an exposed corundum with a wall thickness of 14mm. The air head is drie...

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Abstract

The invention belongs to the field of environmental protection equipment, and discloses a double-layer high-efficiency superfine-micropore aeration header. The double-layer high-efficiency superfine-micropore aeration header comprises an inner-layer conventional brown corundum aeration header with the pore diameter of 150-250 microns, and a corundum superfine micropore layer coated on the outer surface of the brown corundum aeration header, wherein the corundum superfine micropore layer is 0.3-0.7 mm in thickness and has the pore diameter of 56-80 microns. In the double-layer high-efficiency superfine-micropore aeration header, the conventional brown corundum layer is adopted to serve as a base layer and has the advantages of large pore diameter, high strength, good air-permeability, small resistance, therefore, air can pass through the base layer rapidly in a large quantity; furthermore, when the air reaches the outer layer, namely, the corundum superfine micropore layer, the micropores of the layer are fine and close so that the air is dispersed into very fine bubbles to enter into water so as to rapidly oxygenate the water. Synchronously, the bubbles are extremely fine so that the oxygen utilization coefficient of the air in the water is greatly improved, additionally, the corundum superfine micropore layer is very thin so that the resistance to the air passing through the corundum superfine micropore layer is greatly reduced, therefore, the aims of energy saving and high efficiency are achieved.

Description

technical field [0001] The invention belongs to the field of environmental protection equipment and relates to a double-layer high-efficiency superfine microporous aeration head. Background technique [0002] China is a country with severe drought and water shortage. The total amount of fresh water resources is 2.8 trillion cubic meters, accounting for 6% of global water resources, ranking fourth in the world after Brazil, Russia and Canada, but the per capita is only 2,200 cubic meters, which is only 1 / 4 of the world average. 1 / 5 of the United States is one of the 13 countries with the poorest per capita water resources in the world. With the rapid development of economy and society, our country is now facing the current situation of water shortage and serious water pollution. [0003] Water treatment occupies a very important position in national production and life. The presence or absence of water treatment and the advancement of water treatment technology are one of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/02C02F7/00C04B35/10C04B35/622
CPCY02W10/10
Inventor 凌跃成何国明
Owner JIANGSU YIYANG WATER IND
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