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Needle brush aerator

An aerator and needle brush technology, applied in water aeration, sustainable biological treatment, water/sludge/sewage treatment, etc., can solve the problem of low rotor static balance, no breakthrough effect, rotating disk or rotating brush speed Low problems, to achieve the effect of shortening water treatment time, superior flexibility, and increasing speed

Inactive Publication Date: 2004-03-31
高根树
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Affected by the low degree of static balance of the rotor, the applicable speed of the rotary disc or rotary brush is very low
[0005] In order to improve the oxygenation capacity of the rotating brush aerator, some people adopt the method of improving the surface shape of the blade to increase the surface area, such as the Chinese patent "shear type blade aerator" (ZL97227687.4), "disc brush aerator "(ZL98227422.X), and "Aeration Rotating Brush" (ZL00217708.0), because they did not get rid of the structure of the blades, they have no breakthrough effect

Method used

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Examples

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Effect test

Embodiment 1

[0018] see figure 1 , this embodiment is a direct series needle brush aerator designed according to the technical solution of the present invention. It includes a needle brush, a horizontal shaft 4, a fog screen 1, a bearing support 2, a shaft coupling 5, a reducer 6 and a motor 7. The single needle seedlings 3 are U-shaped, evenly and densely arranged radially and hung on the positioning ring 8, and the positioning ring 8 on which the needle seedlings 3 are hung is added with the spacer ring 9, which are layered and superimposed on each other. The screen 1 and the elastic retaining ring are combined on the horizontal axis 4.

Embodiment 2

[0020] see figure 1 , the present embodiment is a series-connected needle brush aerator designed according to the technical solution of the present invention. It includes a needle brush, a horizontal shaft 4, a fog screen 1, a bearing support 2, a shaft coupling 5, a reducer 6 and a motor 7. The single needle seedlings 3 are still U-shaped, evenly and intensively arranged radially and hung on the positioning ring 8, and the positioning ring 8 of the needle seedlings 3 plus the spacer ring 9 are stacked in three layers. The pressing plate and the circlip are combined on the wheel hub 11 to form a needle brush unit, and a plurality of needle brush units are connected in series on the horizontal shaft 4, and the units are connected with the horizontal shaft 4 with a key, and the circlip is limited.

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Abstract

The invention relates to a needle-brush aerator. A blade-type rotating-brush aerator has a low capacity of oxygenation, which delays the time of water disposal. The needle-brush aerator comprises needle brushes, a horizontal shaft 4, a screen of preventing fog 1, motor7 and so on. The needle brush is formed by a plurality of U-shape needles 3 uniformly suspending on the locating ring 8 in a radiating configuration. The locating ring 8 suspending with needles 3, the spacing ring 9, a key bar 10, the clamping bar, and a flexible antiextrusion ring are superposed and assembled in the horizontal shaft 4. The needle brushes are immersed into water and rotate, needles bring air into water, and make water balance. Compared with a blade, needle brush has a much larger specific surface area, improves dynamic balancing, increases the rotating speed, and improves the oxygenation capacity of a needle-brush aerator in duplication. The invention could be used in waste water disposal of urban livingwaste water and industrial waste water.

Description

1. Technical field [0001] The invention belongs to the technical field of chemical industry aeration, and relates to domestic sewage treatment and industrial wastewater treatment. 2. Background technology [0002] Rotary disk aerator and rotary brush aerator are the most excellent surface aeration technology in the market at present, and are widely used in chemical water treatment, especially in the oxidation ditch process of environmental protection sewage treatment projects. They consist of multiple turntables or brushes, horizontal shafts, and fog screens. The surface of the turntable has special faces to cut the air bubbles brought into the water. The rotating brush is formed by stamping steel bars with a certain width into blades (or called brush pieces) and then assembled on the hub. The rotation speed of the turntable of the turntable aerator is generally 50-55r / min, and its oxygenation capacity index can reach 1.6kg / (kW·h). The rotating brush speed of the rotating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/14C02F7/00
CPCY02W10/10
Inventor 高根树
Owner 高根树
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