High-efficiency energy-saving submicron bubble aeration oxygenating device

A high-efficiency, energy-saving, ultra-micron technology, applied in the direction of water aeration, sustainable biological treatment, water/sludge/sewage treatment, etc., can solve the problems of large water body vibration, fast rising speed, low oxygenation efficiency, etc., to promote The effects of cleaning, inhibiting the reproduction of harmful microorganisms, and energy-saving treatment

Inactive Publication Date: 2011-10-19
DIBO PUMP IND MFG KUNMING
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  • Claims
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Problems solved by technology

[0002] At present, the conventional aeration and oxygenation method used in sewage treatment has the disadvantages of la...

Method used

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  • High-efficiency energy-saving submicron bubble aeration oxygenating device

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Embodiment Construction

[0014] The present invention will be further described to specific embodiment below in conjunction with accompanying drawing:

[0015] 1. The working environment of the high-efficiency and energy-saving ultra-micron bubble aeration and oxygenation device proposed by the present invention is sewage treatment, and the sewage contains a large amount of suspended matter. It is necessary to prevent large suspended particles from entering the equipment to ensure long-term stable operation of the filter. The sewage is filtered by the filter 1 and enters the backwashable filter 2. When the sewage passes through the filter, the suspended solids are blocked outside the filter 1 and cannot enter the equipment. After a long period of use, the suction filter will inevitably block the suspended matter outside the filter screen. In order to avoid the filter screen being blocked by suspended matter, this design uses a special pump for backwashing with a large flow rate, and connects a backwas...

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Abstract

The invention relates to a high-efficiency energy-saving submicron bubble aeration oxygenating device. The high-efficiency energy-saving submicron bubble aeration oxygenating device combines an air suction device, a centrifugal pump, a gas water mixed energy accumulator, a wide-gap submicron bubble spray head and a filtering system, wherein the centrifugal pump can work normally after gas enters the centrifugal pump; the filtering system can perform back wash; the air suction device is arranged on a water inlet of the centrifugal pump and is connected with the filtering system; an air suction pipe communicated with the outside is arranged on the side wall of the air suction device; the sucked gas is forcedly mixed into water under the high-speed rotation action of pump impellers to obtain gas water mixed liquid; the gas water mixed liquid is conveyed into the gas water mixed energy accumulator; the lower part of the gas water mixed energy accumulator is connected with the wide-gap submicron bubble spray head with the gap width of 2 to 3 mm; the wide-gap submicron bubble spray head is arranged at the bottom of sewage requiring aeration to manufacture submicron bubbles; and the submicron bubbles release the gas carried by the bubbles to the sewage to perform aeration and oxygenation, and the concentration of the dissolved oxygen in the sewage is maintained to be 2.5 to 5 mg/L.

Description

technical field [0001] The invention relates to a new device for sewage treatment, in particular to a high-efficiency energy-saving ultra-micron bubble aeration and oxygenation device. Background technique [0002] The conventional aeration and oxygenation method currently used in sewage treatment has the disadvantages of large bubbles (1 to 10 mm level), large vibrations to the water body, fast rising speed, and low oxygenation efficiency during aeration. When the diameter of the bubble is as small as micro-nano, its specific surface and area are tens of thousands of times that of conventional (millimeter-sized) bubbles, so it has little vibration to the water body, slow rising speed, and can release more gas into the sewage. Contents of the invention [0003] The present invention proposes a high-efficiency energy-saving ultra-micron bubble aeration and oxygenation device, which promotes and improves the aeration and oxygenation in the sewage treatment process, and impro...

Claims

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Application Information

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IPC IPC(8): C02F7/00
CPCY02W10/10
Inventor 徐佳蕊
Owner DIBO PUMP IND MFG KUNMING
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