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Mixed aeration type biological treating system

A biological treatment and aeration technology, applied in the water treatment industry, can solve problems such as unaffordable and lack of treatment methods, and achieve the effects of improving impact resistance, saving infrastructure investment, and facilitating operation and maintenance

Inactive Publication Date: 2007-06-27
上海达源环境科技工程有限公司
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Problems solved by technology

[0003] However, for some industrial wastewater, such as high-concentration organic wastewater, wastewater containing certain toxic and harmful substances, etc., there is a lack of effective treatment methods
The traditional aerobic biological treatment process cannot be directly adopted because it cannot withstand the impact of high concentration free load
Therefore, the treatment of these wastewaters has become a more difficult problem today.

Method used

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  • Mixed aeration type biological treating system

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] The present invention mainly comprises blower 7, jet device 6 connected with blower, mixing tank 4 connected with jet device through pipeline, and waste water pipe 1 connected with mixing tank, it is characterized in that: a circulation biochemical pool is arranged beside the mixing tank , the ejector is arranged in the circulating biochemical pool 10, and the top of the circulating biochemical pool is provided with two overflow tanks, one of which is connected to the mixing tank through a pool external circulation pipe 2, and the other overflow tank is connected to the primary air flotation tank through a pipeline 12 connected, the primary air flotation tank is connected with the mixing tank through a sludge return pipe 3, the primary air flotation tank is connected with the secondary air flotation tank 16, the blower is connected with the circul...

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Abstract

The mixed aeration type biological treating system features that there are one circular biochemical pond set beside the mixing pond, which has one inside ejector and two overflow grooves in the top including one connected to the mixing pond via an outside circulating pipe; one first stage air floating pond connected to the other overflow groove and to the mixing pond via a sewage reflux pipe; one second stage air floating pond connected to the first stage air floating pond; one blower connected to the circular biochemical pond via ventilating pipeline; and one shallow aeration pipe in the outlet of the ventilating pipeline. The present invention has combined inside-pond circulation and outside-pond circulation, greatly raised impact resistance, and increased chemical-adding coagulating and air floating pond for raised treating capacity.

Description

Technical field: [0001] The invention relates to the technical field of the water treatment industry, in particular to a mixed aeration type biological treatment system. Background technique: [0002] In the current field of sewage treatment, sewage that is generally easier to treat, such as domestic sewage, printing and dyeing, oil refining, papermaking, electroplating, and steel wastewater, has been treated more maturely and reliably, and a relatively fixed treatment method and process have been formed. . [0003] However, for some industrial wastewater, such as high-concentration organic wastewater and wastewater containing certain toxic and harmful substances, there is a lack of effective treatment methods. The traditional aerobic biological treatment process cannot be directly adopted because it cannot withstand the impact of high concentration free load. Therefore, the treatment of these wastewaters has become a more difficult problem today. Invention content: [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/22
CPCY02W10/10
Inventor 吴勇
Owner 上海达源环境科技工程有限公司
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