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Aeration tank, sewage treatment system and sewage treatment method

A sewage treatment system and aeration tank technology, applied in water/sewage treatment, flotation water/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problems of low sewage treatment efficiency and long sewage residence time

Inactive Publication Date: 2019-04-12
四川美富特生态科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides an aeration tank, a sewage treatment system and a sewage treatment method to solve the problems of long residence time of sewage in the aeration tank and low sewage treatment efficiency in the prior art

Method used

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  • Aeration tank, sewage treatment system and sewage treatment method
  • Aeration tank, sewage treatment system and sewage treatment method
  • Aeration tank, sewage treatment system and sewage treatment method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] figure 1 It is a schematic structural diagram of the aeration tank provided in Example 1 of the present invention.

[0079] refer to figure 1 As shown, Embodiment 1 of the present invention provides an aeration tank 100, the aeration tank 100 includes an aeration area 110 and a sedimentation area 120 connected to each other, wherein, the sedimentation area 120 is provided with at least one set of slopes along the vertical direction Type settling assembly 122, a plurality of inclined flow channels are formed in the inclined settling assembly 122, when the water flows from the bottom of the inclined settling assembly 122 to the top of the inclined settling assembly 122, the inner wall of the inclined flow channel blocks the sediment in the water flow .

[0080] The aeration tank 100 provided in Embodiment 1 of the present invention includes an aeration area 110 and a sedimentation area 120 connected to each other, wherein at least one set of inclined sedimentation compo...

Embodiment 2

[0096] figure 2 It is a schematic structural diagram of the sewage treatment system provided by Embodiment 2 of the present invention.

[0097] Based on the foregoing embodiment one, refer to figure 2 As shown, the second embodiment of the present invention provides a sewage treatment system, the sewage treatment system includes a primary treatment equipment 10 and a secondary treatment equipment 50 connected to each other, the primary treatment equipment 10 includes any optional implementation of the first embodiment of the present invention The aeration tank 100 provided by the method, the regulating tank 200 and the air delivery device 300 communicated with the aeration tank 100;

[0098] The adjustment tank 200 is used to adjust the physical and chemical properties of the sewage. The adjustment tank 200 has a lifting pump 210, and the lifting pump 210 is used to send the sewage into the aeration tank 100;

[0099] The air supply device 300 includes an air booster assembl...

Embodiment 3

[0103] image 3 Schematic diagram of the structure of the primary treatment equipment in the sewage treatment system provided by Embodiment 3 of the present invention; Figure 4 Schematic diagram of the structure of the waste gas treatment device in the sewage treatment system provided by Embodiment 3 of the present invention; Figure 5 It is a schematic structural diagram of the biological filler layer in the sewage treatment system provided by Embodiment 3 of the present invention.

[0104] Based on the foregoing embodiment one or embodiment two, refer to Figure 3 to Figure 5 As shown, the third embodiment of the present invention provides a sewage treatment system, the primary treatment equipment 10 also includes a waste gas treatment device 400; the waste gas treatment device 400 includes a reactor 410 and a biological filler layer 420 arranged in the reactor 410, the reactor 410 has an air inlet 411 and an air outlet 412, the air inlet 411 is located at the bottom of t...

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Abstract

The embodiment of the invention provides an aeration tank, a sewage treatment system and a sewage treatment method. The aeration tank includes an aeration zone and a sedimentation zone which are communicated with each other, the sedimentation zone is provided with at least a set of inclined precipitation assemblies in a vertical direction, a plurality of inclined flow channels are formed in the inclined precipitation assemblies, and the inner walls of the inclined flow channels block sediments in a water flow as the water flow flows from the bottoms of the inclined precipitation assemblies tothe tops of the inclined precipitation assemblies. At least one set of the inclined precipitation assemblies are arranged in the sedimentation zone, after sewage enters the sedimentation zone from theaeration zone, the water flow flows from the bottom of the sedimentation zone to the top of the sedimentation zone, a sediment carried in the sewage collides with the side walls of the inclined flowchannels formed on the interiors of the inclined precipitation assemblies so as to be blocked by the side walls of the inclined flow channels, the sedimentation occurs, the surface loads of the precipitation assemblies in the sedimentation zone are increased, the sludge deposition efficiency and the sewage treatment efficiency are improved, and an equipment investment cost is reduced.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to an aeration tank, a sewage treatment system and a sewage treatment method. Background technique [0002] In sewage treatment, in order to remove odor or harmful gases such as ammonia gas and hydrogen sulfide in water, or to promote aerobic microorganisms to decompose organic matter in sewage, sewage is usually treated with aeration. [0003] Aeration can increase the concentration of dissolved oxygen in water, thereby removing volatile substances in water, and can achieve the effect of removing iron, manganese and other ions in water, and can also promote the degradation of organic matter by aerobic microorganisms, so that in sewage treatment be widely used. Aeration treatment usually puts the sewage to be treated into the aeration tank, and pumps air into the aeration tank through the aeration pump for aeration. The aeration tank is equipped with a sedimentatio...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F101/10
CPCC02F1/24C02F1/46104C02F3/02C02F7/00C02F9/00C02F2001/007C02F2101/105
Inventor 宋岱峰
Owner 四川美富特生态科技有限责任公司
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