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Sewage treatment apparatus

A sewage treatment device, decanter technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as hydraulic turbulence, affecting mud-water separation, etc., and achieve improvement The effect of hydraulic turbulence

Active Publication Date: 2015-11-18
南通景水智能装备有限公司
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Problems solved by technology

However, during the precipitation period, the water inflow in the pre-reaction zone will cause hydraulic turbulence at the bottom of the main reaction zone, affecting the separation of mud and water.

Method used

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Embodiment 1

[0018] Such as figure 1 , image 3 A sewage treatment device shown is characterized in that it comprises a pre-reaction tank 1, a buffer tank 2, and a main reaction tank 3, and the bottoms of the pre-reaction tank 1 and the main reaction tank 3 are equipped with several microporous aerators 4 , the main reaction tank 3 is also provided with a rotary decanter 5, one side of the pre-reaction tank 1 is provided with a water inlet 6, and the middle of the pre-reaction tank 1 and the buffer tank 2 is provided with an overflow plate 7 , the bottom of the overflow plate 7 is fixedly connected with the pre-reaction tank 1, the height of the overflow plate 7 is lower than the height of the pre-reaction tank 1 and the buffer tank 2, and an overflow area 8 is formed above the overflow plate 7, A partition 9 is provided between the buffer tank 2 and the main reaction tank 3 , and a plurality of through holes 10 are provided at the lower end of the partition 9 .

[0019] The microporous ...

Embodiment 2

[0022] Such as figure 2 , image 3 A sewage treatment device shown is characterized in that it comprises a pre-reaction tank 1, a buffer tank 2, and a main reaction tank 3, and the bottoms of the pre-reaction tank 1 and the main reaction tank 3 are equipped with several microporous aerators 4 , the main reaction tank 3 is also provided with a rotary decanter 5, the pre-reaction tank 1, the buffer tank 2, and the main reaction tank 3 are all hollow cylinders, and from the inside to the outside are the pre-reaction tank 1, The buffer tank 2 and the main reaction tank 3, the bottom of the pre-reaction tank 1 is provided with a water inlet 6, the middle of the pre-reaction tank 1 and the buffer tank 2 is provided with an overflow plate 7, and the bottom of the overflow plate 7 Fixedly connected with the pre-reaction tank 1, the height of the overflow plate 7 is lower than the height of the pre-reaction tank 1 and the buffer tank 2, and an overflow area 8 is formed above the over...

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Abstract

A sewage treatment apparatus comprises a pre-reaction pool, a buffer pool and a main reaction pool, the bottom of each of the pre-reaction pool and the main reaction pool is provided with a plurality of micro-porous aerators, a revolving water decanter is arranged in the main reaction pool, one side of the pre-reaction pool is provided with a water inlet, an overflow plate is arranged between the pre-reaction pool and the buffer pool, a separator plate is arranged between the buffer pool and the main reaction pool, and the lower end of the separator plate is provided with a plurality of through holes; and the main reaction pool is uniformly divided into four parts, and is segmented through segmentation plates. The apparatus has the following advantages: 1, the buffer pool arranged between the pre-reaction pool and the main reaction pool effectively improves waterpower turbulence at the bottom of a main-reaction zone, caused by water entrance of a pre-reaction zone; and 2, the main reaction pool is divided into four reaction pools, and the four reaction pools alternately execute water filling, aeration, precipitation and water decanting, so water and mud are thoroughly separated, and continuous working is realized.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device. Background technique [0002] Intermittent Circulating Delayed Aerated Activated Sludge (ICEAS) process emerged in Australia in the early 1980s. The basic unit of the process is a reactor consisting of a pre-reaction zone and a main reaction zone in anoxic state. The biggest feature of ICEAS is that a biological selector is added to the front of the SBR reactor, so that the system can select microorganisms that are suitable for the degradation of organic matter in wastewater and have stronger flocculation ability, so as to prevent sludge bulking and make the activated sludge experience a cycle in the selector. The high-load adsorption stage (matrix accumulation) is followed by a lower-load matrix degradation stage in the main reaction zone to complete the entire process of matrix degradation. In the main reaction zone, it operates periodically...

Claims

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Application Information

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IPC IPC(8): C02F9/14
Inventor 孙浩
Owner 南通景水智能装备有限公司
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