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Baffled sedimentation tank and baffled sedimentation process

A baffled and sedimentation tank technology, applied in the direction of sedimentation separation, sedimentation treatment, sedimentation tank, etc., can solve the problems of inability to effectively remove impurities, low treatment efficiency of sedimentation tank, and failure to give full play to the best treatment effect of sedimentation tank. To achieve the effect of good water effluent effect, high utilization rate of pool volume and reasonable distribution of fluid field

Inactive Publication Date: 2017-02-22
SHANGHAI ATON ENVIRONMENTAL LIABILITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As an effective facility for removing suspended solids in water, sedimentation tanks have been widely used in water treatment. However, due to the low treatment efficiency of existing sedimentation tanks in sewage treatment plants, they cannot effectively remove impurities such as COD and SS in sewage. The optimal treatment effect of the sedimentation tank is not fully utilized, and at the same time limited by land resources, it is necessary to improve the existing sedimentation tank, which can not only improve the removal rate of COD and SS, but also reduce the processing load of other links and save Land area, sewage treatment cost and engineering investment, etc.

Method used

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  • Baffled sedimentation tank and baffled sedimentation process
  • Baffled sedimentation tank and baffled sedimentation process
  • Baffled sedimentation tank and baffled sedimentation process

Examples

Experimental program
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Effect test

Embodiment 1

[0063] Such as figure 1 with figure 2 As shown, the reactor includes a biochemical treatment unit 1, a baffle sedimentation tank 2, and a return sludge channel 31; the reactor is square; a baffle sedimentation tank process (square) is used to treat 7500m 3 / d industrial wastewater, the baffle type sedimentation tank 2 includes a water inlet tank 5, a water outlet tank 10, a bottom slope 16 and a dredger 13, the water inlet tank 5 is arranged along the long direction of the baffle type sedimentation tank pool, the water inlet tank 5 and the outlet The water tank 10 is adjacent and arranged in parallel, the bottom slope 16 is arranged on both sides of the inner wall of the baffle type sedimentation tank, the dredger 13 includes a suction pipe 12 and a mud suction unit, the suction pipe 12 is arranged in the baffle type sedimentation tank, and the suction The mud pipe 12 is connected with the mud suction unit, and the dredge can also include a top beam and a walking assembly, t...

Embodiment 2

[0072] Such as image 3 with Figure 4 As shown, the reactor includes 1 biochemical treatment unit, 2 baffle sedimentation areas, and 32 sludge return wells; the reactor is circular; a baffle sedimentation process (circular) is used to treat 20,000 m 3 / d urban domestic sewage, the baffle type sedimentation tank includes a water inlet tank 4, a water outlet tank 10, a bottom slope 16, a dredger 13 and a central cylinder 19, the water inlet tank 4 is arranged along the circumference of the baffle type sedimentation tank, and The water tank 4 is adjacent to the water outlet tank 10 and arranged in parallel, the bottom slope 16 is arranged around the baffle type sedimentation tank, the dredger 13 includes a mud suction pipe 12 and a mud suction unit, and the mud suction pipe 12 is arranged in the baffle type sedimentation tank, The dredging pipe 12 is connected with the dredging unit, and the dredger can also include a top beam and a walking assembly, the top beam is arranged ab...

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Abstract

The invention provides a baffled sedimentation tank and a baffled sedimentation process; the sedimentation tank is selected from any one of the below, firstly, the sedimentation tank includes a water inlet tank, a water outlet tank, bottom slopes and a suction dredger; the water inlet tank is arranged along the pond length direction, the water inlet tank is adjacent to the water outlet tank and in parallel to the water outlet tank; the bottom slopes are arranged at both sides of the inner wall of the baffled sedimentation tank; the mud dredger includes a mud dredging pipe and a mud dredging unit; the mud dredging pipe is arranged in the baffled sedimentation tank, and the mud dredging pipe is connected with the mud dredging unit; secondly, the sedimentation tank includes a water inlet tank, a water outlet tank, a bottom slope, a suction dredger and a center cylinder; the water inlet tank is arranged along the periphery of the baffled pond, and the center cylinder is arranged in the center of the baffled sedimentation tank. The baffled sedimentation tank and the baffled sedimentation process are small in land area, and can avoid riffle, vortex, short current, stagnant water, sludge deposit, and other phenomenon of an ordinary sedimentation tank; the water flow field is evenly distributed, the volume utilization rate of the pond body is high, and the sedimentation efficiency is high.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a baffle type sedimentation tank and a baffle type sedimentation process. Background technique [0002] As an effective facility for removing suspended solids in water, sedimentation tanks have been widely used in water treatment. However, due to the low treatment efficiency of existing sedimentation tanks in sewage treatment plants, they cannot effectively remove impurities such as COD and SS in sewage. The optimal treatment effect of the sedimentation tank is not fully utilized, and at the same time limited by land resources, it is necessary to improve the existing sedimentation tank, which can not only improve the removal rate of COD and SS, but also reduce the processing load of other links and save Land area, sewage treatment cost and engineering investment, etc. [0003] In order to improve water treatment capacity, stabilize effluent water quality, reduce operatin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D21/02B01D21/24B01D21/00C02F1/00
CPCB01D21/02B01D21/0042B01D21/24B01D21/2405B01D21/2444B01D21/245C02F2001/007
Inventor 桂新安叶方清
Owner SHANGHAI ATON ENVIRONMENTAL LIABILITY
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