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Integrated sewage treatment device for activated sludge

A sewage treatment device and activated sludge technology, which is applied in water/sludge/sewage treatment, biological treatment equipment, biological water/sewage treatment, etc., can solve the problems of high operation and maintenance costs, many equipment, complex management, etc., to achieve Save return facilities and operating costs, evenly distribute hydraulic flow, and avoid sludge accumulation

Pending Publication Date: 2018-08-14
THUNIP CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the result of this arrangement is that the internal structure of the device is complex, which is not conducive to processing, installation, transportation, and on-site operation and maintenance. There are many equipment in the facility, and the management is relatively complicated. In the sewage treatment with small flow, the operation and maintenance costs are high.

Method used

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  • Integrated sewage treatment device for activated sludge
  • Integrated sewage treatment device for activated sludge
  • Integrated sewage treatment device for activated sludge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] This embodiment provides an activated sludge integrated sewage treatment device (structure such as figure 2 shown), including a bucket-shaped tank 1, the center of the bucket-shaped tank 1 is provided with a pretreatment mesh bag 4 connected to the sewage inlet;

[0039] The pretreatment mesh bag 4 is in the semi-enclosed area formed by the inverted degassing and diversion bucket-shaped cylinder 6 above it and the upright air-separating bucket-shaped cylinder 5 below it; The top of 6 is a gas outlet; the bottom of the air trap type cylinder 5 is a mud-water mixture inlet and outlet; there is a gap for the mud-water mixture to pass between the degassing diversion bucket type cylinder 6 and the air trap type cylinder 5;

[0040] The outer periphery of the degassing diversion bucket-shaped tube 6 is provided with an inverted bucket-shaped sedimentation tube 2; The outlet weir 10 connected to the water outlet 8; there is a gap for the passage of the muddy water mixture be...

Embodiment 2

[0043] This embodiment provides an activated sludge integrated sewage treatment device (structure such as image 3 shown).

[0044] Compared with Embodiment 1, the only difference is that a group of inverted muddy water diversion bucket-shaped barrels 3 are arranged below the outlet weir 10 and above the side wall of the bucket-shaped sedimentation barrel 2; There are gaps between the bucket-shaped settling cylinders 2 and between the muddy water diversion bucket-shaped cylinder 3 and the side wall of the bucket-shaped tank 1, forming channels for the muddy-water mixture to pass freely.

Embodiment 3

[0046] This embodiment provides an activated sludge integrated sewage treatment device (structure such as Figure 4 shown).

[0047] Compared with Example 1, the only difference is that a group of upright muddy water diversion bucket-shaped tubes 3 and a set of inverted bucket-shaped tubes 3 are sequentially arranged below the outlet weir 10 and above the side wall of the bucket-shaped sedimentation tube 2 from bottom to top. The muddy water diversion bucket-shaped tube 12; between the muddy water diversion bucket-shaped tube 3,12 and the bucket-shaped sedimentation tube 2 respectively, between the muddy water diversion bucket-shaped tube 3,12 and the side wall of the bucket-shaped tank 1 and the muddy water There are gaps between the diversion bucket-shaped tube 3 and the mud-water diversion bucket-shaped tube 12 to form channels for the mud-water mixture to pass freely.

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Abstract

The invention relates to an integrated sewage treatment device for activated sludge. The integrated sewage treatment device comprises a pot-shaped main body, wherein a pre-treatment net bag is arranged at the center in the pot-shaped main body; the pre-treatment net bag is located in a semi-sealed region formed by a degassing flow guide bucket-shaped barrel and a gas isolation bucket-shaped barrel; an inverted bucket-shaped precipitation barrel is arranged at the periphery of the degassing flow guide bucket-shaped barrel; a water output weir is arranged between the bucket-shaped precipitationbarrel and the pot-shaped main body; an aeration device is arranged at the bottom of the pot-shaped main body. According to the sewage treatment device provided by the invention, the inner part of thedevice is divided into a plurality of functional regions by utilizing a bucket-shaped structure, so that functions of an activated sludge sewage treatment technology are perfectly integrated; meanwhile, the device provided by the invention can be conveniently processed, transported, mounted and maintained; necessary equipment including a sludge refluxing pump, a stirrer and the like in a conventional technology is reduced, so that the technology is very simple to maintain and the operation cost is greatly reduced.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to an activated sludge integrated sewage treatment device. Background technique [0002] In the general sense, activated sludge is produced during the biochemical treatment of sewage, and the microorganisms required for biochemical treatment of sewage exist in the activated sludge. The activated sludge sewage treatment process has been widely used in almost all municipal sewage plants and most industrial wastewater treatment due to its low cost, relatively simple operation technology, and natural treatment of sewage and environmental friendliness. in the facility. [0003] In the general activated sludge sewage treatment process, under the aeration of the aeration head at the bottom of the sewage treatment biochemical tank, the sewage and the activated sludge in the device will be fully mixed, so that the sewage will be degraded by microorganisms in the activated sludge. be purifie...

Claims

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Application Information

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IPC IPC(8): C02F3/30
CPCC02F3/301C02F2203/006
Inventor 王旭李星文
Owner THUNIP CORP LTD
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