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Gravity rotary sewage treatment device and sewage treatment method

A sewage treatment device and technology for sewage treatment, which are applied in the fields of water/sewage multi-stage treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc. The problems of high cost of purification treatment equipment and sewage treatment can achieve the effect of improving the effect of sewage purification treatment, enhancing the effect of water drop aeration and obvious biochemical treatment efficiency.

Pending Publication Date: 2020-11-27
何江涛
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The existing sewage treatment systems and treatment methods have the following problems: 1) Most of the existing sewage treatment systems need to build multiple civil engineering facilities such as regulating ponds, sewage treatment ponds, and disinfection outlet ponds. These large-scale facilities are not suitable for sewage It is used in small factories or fish ponds with small emissions, but there is still a lack of miniaturized, integrated, and low-cost sewage purification treatment equipment; 2) The existing sewage treatment system consumes a lot of energy, resulting in the cost of sewage treatment higher

Method used

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  • Gravity rotary sewage treatment device and sewage treatment method
  • Gravity rotary sewage treatment device and sewage treatment method

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Embodiment 1

[0038] Embodiment 1 Gravity rotary sewage treatment device

[0039] Such as Figure 1-11 As shown, the gravity rotary sewage treatment device in this embodiment includes a sewage treatment tank 1A, a main body 2A and a main body 3 3A. Water aeration area 3B and water outlet area 4B, the bottom end of the sewage treatment area is provided with a groove to form a sludge collection area 5B, the main body 2A is set in the sewage treatment area 2B, and the main body 3A is set in the water drop In the aeration area 3B, there are two drop water aeration areas 3B, and the two drop water aeration areas 3B are respectively arranged on both sides of the sewage treatment area 2B, and the water inlet area and the sewage treatment area 2B interconnected;

[0040] The inner bottom of the sewage treatment area 2B is also provided with a main body 2 4A, and the main body 2 is used to fully stir the activated sludge and pollutants at the bottom of the sewage treatment area 2B, and scrape the ...

Embodiment 2

[0048] Embodiment 2 sewage treatment method

[0049] The sewage treatment method in the present embodiment, comprises the following steps:

[0050] 1) Sewage purification step: introduce the sewage into the sewage treatment area 2B, under the agitation of the main body 2, make the sewage fully react with the biological bacteria in the treatment area to remove pollutants in the water; Main body 3 3A performs falling water aeration to increase dissolved oxygen, and the treated water is finally discharged or reused from the outlet tank up to the standard;

[0051] 2) Sludge treatment steps: when the speed of the main body is high, the main function is to stir, and the activated sludge and pollutants fully react; when the speed of the main body is low, the main function is to scrape the sludge and scrape the remaining sludge into the sludge The collection area is regularly cleaned by a dredge pump.

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Abstract

The invention discloses a gravity rotary type sewage treatment device and a sewage treatment method. The gravity rotary type sewage treatment device comprises a sewage treatment tank, a first main body and a third main body; the sewage treatment tank is divided into a sewage treatment area and a drop aeration area; a sludge collection area is arranged at the bottom of the sewage treatment area; the first main body is arranged in the sewage treatment area; and the third main body is arranged in the drop aeration area. The gravity rotary type sewage treatment device is high in filtering precision. Under the condition that a water outflow requirement is not high, dosing can be completely not needed; activated sludge does not lose basically; compared with a traditional process, the concentration of activated sludge can be greatly improved, and the biochemical treatment efficiency is obviously improved. By adopting the sewage treatment method, a sewage purification treatment effect can be remarkably improved, and the energy consumption required by sewage purification can be effectively reduced.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a gravity rotary sewage treatment device and a sewage treatment method. Background technique [0002] The existing sewage treatment systems and treatment methods have the following problems: 1) Most of the existing sewage treatment systems need to build multiple civil engineering facilities such as regulating ponds, sewage treatment ponds, and disinfection outlet ponds. These large-scale facilities are not suitable for sewage It is used in small factories or fish ponds with small emissions, but there is still a lack of miniaturized, integrated, and low-cost sewage purification treatment equipment; 2) The existing sewage treatment system consumes a lot of energy, resulting in the cost of sewage treatment higher. Contents of the invention [0003] In view of this, one of the objects of the present invention is to provide a gravity rotary sewage treatment device, which i...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F1/001C02F3/12C02F3/34C02F7/00C02F9/00
Inventor 何江涛
Owner 何江涛