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Municipal sewage treatment system and treatment method thereof

A technology for treating system and municipal sewage, which is applied in the municipal sewage treatment system and its treatment field, can solve the problems of low utilization rate of activated sludge and achieve the effects of improving the collection and fixation effect, improving the decomposition efficiency and increasing the flow speed

Pending Publication Date: 2017-08-18
申成利
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese invention patent CN 103910463 B discloses a new process for BC urban sewage treatment. Although this process can effectively treat sewage, this process still requires secondary sedimentation in the water after activated sludge treatment, and Supporting activated sludge recovery system, and its utilization rate for activated sludge is low

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  • Municipal sewage treatment system and treatment method thereof
  • Municipal sewage treatment system and treatment method thereof
  • Municipal sewage treatment system and treatment method thereof

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Embodiment Construction

[0022] The standard parts used in the present invention can be purchased from the market, and the special-shaped parts can be customized according to the instructions and the accompanying drawings. The specific connection methods of each part adopt mature bolts, rivets, welding in the prior art , pasting and other conventional means, no longer described in detail here.

[0023] refer to Figure 1-5 A specific embodiment of the present invention includes a grit chamber 1, an aerobic reaction tank 2 and a disinfection tank 3 connected in sequence, and the grit chamber 1 is divided into a first sedimentation zone 5 and a second sedimentation zone 5 by a first baffle 4 Zone 6, the first settling zone 5 is connected to the water inlet valve 7, the first baffle plate 4 is provided with an outlet valve 8 passing through the first settling zone 5 and the second settling zone 6, and the bottom of the first settling zone 5 is provided with several layers Metal filter screen 9, activate...

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Abstract

The invention discloses a municipal sewage treatment system. The municipal sewage treatment system includes a grit chamber, an aerobic reaction pool and a disinfection pool which are connected in sequence, the interior of the grit chamber is divided into a first sediment area and a second sediment area through a first baffle, the first sediment area is connected with a water inlet valve, and the first baffle is provided with a water outlet valve which penetrates through the first sediment area and the second sediment area; the top of the aerobic reaction pool is provided with a support, the support is provided with a lifting motor, the lifting motor is connected with a storage box through a chain, the storage box includes a bottom plate and a top plate, the bottom plate and the top plate are connected through a frame, a wire mesh layer is arranged in the frame, and activated sludge is placed in the wire mesh layer; the disinfection pool is connected with the second sediment area through a water return pipe, and the water return pipe is provided with a reflux pump. According to the municipal sewage treatment system, defects of the prior art can be improved, processing equipment for recycling the activated sludge is simplified, and the utilization rate of the activated sludge is increased.

Description

technical field [0001] The invention relates to the technical field of municipal sewage treatment, in particular to a municipal sewage treatment system and a treatment method thereof. Background technique [0002] Urban domestic sewage mainly comes from households, businesses and urban public facilities, etc. Organic matter is the main pollutant of domestic sewage, such as: starch, protein, sugar and vegetable oil, etc. The chemical oxygen demand, biological oxygen demand, total Nitrogen and total phosphorus are relatively high. When water with high nitrogen and phosphorus content is discharged into the natural world, it will easily cause eutrophication of the water body, causing algae to grow and reproduce in large numbers, and in severe cases, it will cause red tides and algal blooms, which will deteriorate the water quality and pollute the environment. The main pollutants in urban domestic sewage are organic matter. For domestic sewage, biological methods are mainly use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/02C02F1/283C02F1/52C02F1/76C02F3/12C02F2001/007C02F2103/001
Inventor 申成利
Owner 申成利
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