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A biological purification and photocatalytic dual-connected sewage treatment tower

A technology for biological purification and sewage treatment, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as limited pollutant types, low efficiency, and limited application range , to increase the hydraulic retention time, facilitate maintenance, and extend the maintenance cycle

Active Publication Date: 2017-04-12
HOHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the limited types of pollutants that microorganisms can decompose and metabolize, the efficiency as a single water purification method is not high, and microorganisms have strict requirements on the living environment, so the scope of application is limited.

Method used

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  • A biological purification and photocatalytic dual-connected sewage treatment tower
  • A biological purification and photocatalytic dual-connected sewage treatment tower
  • A biological purification and photocatalytic dual-connected sewage treatment tower

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Embodiment Construction

[0021] As shown in the accompanying drawings, a biological purification and photocatalytic dual sewage treatment tower, its structure includes a tower body device, an ecological filter layer device, a photocatalytic reaction device, a silt screen 13 and a water inlet and outlet device, wherein the photocatalytic reaction device The four support frames 7 in the tower body device are fixed on the upper part of the tower body 3, the ecological filter layer device is installed in the middle of the tower body 3, and the water inlet pipe 14 in the water inlet and outlet device is fixed on the lower side wall of the tower body 3 , The mud screen 13 is installed horizontally on the lower part of the tower body 3 .

[0022] The tower device includes a tower body 3, a top cover 1, a tower foot 12, a filter layer maintenance door 17 and a bottom mud cleaning door 18, wherein the upper end of the tower body 3 is provided with a conical top cover 1, and the upper end of the tower body 3 is ...

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Abstract

The invention discloses a bio-purification and photocatalysis duplex sewage treatment tower, which is characterized by comprising a tower body device, an ecologic filter layer device, a photocatalysis reaction device, a mud separation net and a water inlet / outlet device. The tower body is of a hollow cylindrical structure, the upper end is provided with a top cover, the ecologic filter layer is fixed in the middle of the tower body and is divided into a first filter layer, an ecologic filler ball layer and a second filter layer from top to bottom, which are divided and supported by partition plates; a photocatalysis reaction tank is arranged on the upper part of the ecologic filter layer and is internally provided with multilayered annular photocatalysis water permeable walls and ultraviolet lamp tubes, and the mud separation net is arranged at the lower part of the tower body; a water inlet pipe is arranged at the side wall of the lower part of the tower body; the upper end of a water outlet pipe is connected with the bottom of the photocatalysis reaction tank; an opening in the lower end of the water outlet pipe is formed in the bottom of the tower body. The bio-purification and photocatalysis duplex sewage treatment tower has the advantage that various pollutants in sewage can be effectively removed after duplex treatment of bio-purification and photocatalysis.

Description

technical field [0001] The invention relates to a biological purification and photocatalysis double-connected sewage treatment tower, which belongs to the technical field of sewage treatment. Background technique [0002] With the rapid development of my country's industrialization and the further improvement of agricultural intensification, industrial sewage, agricultural sewage and domestic sewage have caused serious damage to the water environment. A large amount of industrial wastewater is directly discharged into rivers, lakes and other water bodies without treatment. At the same time, excessive application of chemical fertilizers and spraying of highly toxic and high-residual pesticides are common in farmland, resulting in increased agricultural non-point source pollution and eutrophication of water bodies. serious. As a result, the overall deterioration and eutrophication of water quality in rivers and lakes have been caused, and a series of global water environment ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
Inventor 王沛芳饶磊侯俊王超钱进敖燕辉王健
Owner HOHAI UNIV
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