Treatment device and method for river bottom sewage

A technology for sewage treatment devices and rivers, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, infiltration/dialysis water/sewage treatment, etc. risk, improve the purification effect, and improve the effect of self-purification ability

Inactive Publication Date: 2020-08-07
南京帝艾环境科技工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the oxygenation range of this kind of oxygenation equipment is mainly close to the surface of the river, and the sewage at the bottom of the river is still in a polluted state, making it difficult to purify itself.

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  • Treatment device and method for river bottom sewage
  • Treatment device and method for river bottom sewage
  • Treatment device and method for river bottom sewage

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Embodiment Construction

[0033] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0034] The researchers found that due to the low oxygen content in the bottom water body of the river, organic matter undergoes anaerobic differentiation, which can easily deteriorate the water quality of the river. Generally, rivers with sluggish water flow have low self-purification ability. If the river is not cleaned up, the deterioration of the river water will increase, and even a foul smell will seriously affect the physical and mental health of the surrounding residents. If the river is thoroughly drained and cleaned, not only the process is complicated...

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Abstract

The invention discloses a treatment device and method for river bottom sewage, belonging to the technical field of sewage treatment. The sewage treatment device comprises a purification part, a waterpumping part and an oxygenation part, wherein the purification part comprises a first sedimentation tank, a second sedimentation tank and a circulating type filtering assembly; the water pumping partcomprises a water pump and a water pumping pipe; the oxygenation part comprises an aerator and an oxygenation pump. Compared with the prior art, the sewage treatment device provided by the invention has the advantages that the purification effect of river bottom sewage can be improved, the oxygen content of river water is improved, and the self-purification capability of river water is improved; and the device also has the advantages of being less liable to blockage and high sewage purification treatment efficiency.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, in particular to a river bottom sewage treatment device and treatment method. Background technique [0002] When there is dissolved oxygen in the water, the organic matter in the river water is usually decomposed by aerobic bacteria, the dissolved oxygen content in the water decreases, and the concentration is lower than the full value, while the oxygen in the atmosphere on the water surface dissolves into the river water to make up for the consumed oxygen. If the content of organic matter is too much, the dissolved oxygen consumption is too fast, and the oxygen in the atmosphere is too late to supply, the dissolved oxygen in the water body will gradually decrease, or even be exhausted, which will affect the balance of the aquatic ecosystem. When the dissolved oxygen in the river water is exhausted, the river becomes anaerobic, and the decomposition of organic matter changes from aerobic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/02
CPCC02F1/001C02F1/44C02F7/00C02F9/00C02F2001/007C02F2103/007
Inventor 周爱军
Owner 南京帝艾环境科技工程有限公司
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