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Novel high-concentration sewage treatment method

A sewage treatment method and high-concentration technology, applied in water/sewage treatment, flotation water/sewage treatment, water/sludge/sewage treatment, etc. Slow and other problems, to achieve the effect of good water effluent, enhanced treatment efficiency, improved reliability and stability

Inactive Publication Date: 2017-05-31
WUXI HI TECH ENVIRONMENTAL PROTECTION EQUIP TECH
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Problems solved by technology

When the concentration of suspended solids in the sewage is high, the phenomenon of crowding and floating will appear, and the rising speed of the flocs will be much slower, so the treatment efficiency is not high

Method used

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  • Novel high-concentration sewage treatment method

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Embodiment Construction

[0018] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] see figure 1 , a kind of novel high-concentration sewage treatment method of a preferred embodiment of the present invention, comprises the following steps:

[0020] A sludge layer 1 is set on the upper part of the separation area in the body of the air flotation tank, and an air bubble layer 2 is set under the sludge layer, so that the sludge layer is suspended above the air bubble layer, and the sludge layer is composed of sludge particles 3 containing tiny air bubbles. Mutual adhesion condensation formation.

[0021] During specific work, the sludge particles containing air bubbles flowing out of the contact chamber first enter the sludge layer, and the sludge ...

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Abstract

The invention relates to a novel high-concentration sewage treatment method. The method comprises the steps as follows: a sludge layer is arranged at the upper part of a separation zone in an air flotation tank, meanwhile, a bubble layer is arranged below the sludge layer, so that the sludge layer is suspended above the bubble layer, and the sludge layer is formed by mutual adhesion and coagulation of sludge particles containing tiny bubbles. The novel high-concentration sewage treatment method is high in sewage treatment efficiency and good in sewage treatment effect.

Description

technical field [0001] The invention relates to a sewage treatment method, in particular to a novel high-concentration sewage treatment method. Background technique [0002] In recent years, more and more high-concentration sewage has been produced in industrial production. When conventional air flotation is used for high-concentration sewage treatment, the treatment efficiency is generally low, the water effluent effect is poor, and the treatment requirements of the owner cannot be met. When conventional air flotation is used to treat sewage with a suspended solids (SS) concentration of 3000-5000 mg / L, the hydraulic load can only reach 1-3m3 / (m2*h), and the reflux ratio of dissolved air water is 80-100%. low efficiency. The work of conventional air flotation uses the principle of buoyancy to make the "bubble floc" with tiny bubbles adhered to the surface automatically float up. When the concentration of suspended solids in the sewage is high, the phenomenon of crowding an...

Claims

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Application Information

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IPC IPC(8): C02F1/00C02F1/24
CPCC02F1/001C02F1/24
Inventor 戴文强赵洪启
Owner WUXI HI TECH ENVIRONMENTAL PROTECTION EQUIP TECH
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