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Rainwater pipeline bypass enhanced water purification treatment system

A technology of water purification and rainwater, applied in water/sewage treatment, multi-stage water/sewage treatment, biological water/sewage treatment, etc., can solve the problems of poor biochemical effect, environmental pollution, and high operating costs of the rainwater treatment system, and achieve The effect of stable rainwater quality, low investment cost and low operating cost

Active Publication Date: 2022-06-24
义乌市排水有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to improve the defects of poor biochemical effect, pollution to the environment, high investment cost and high operation cost of the rainwater treatment system, this application provides a rainwater pipeline bypass enhanced water purification treatment system

Method used

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  • Rainwater pipeline bypass enhanced water purification treatment system
  • Rainwater pipeline bypass enhanced water purification treatment system
  • Rainwater pipeline bypass enhanced water purification treatment system

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0047] Stir and mix 2.5kg banana peel powder and 100kg water, stand, add NaOH for extraction, and filter to obtain an intermediate product. Take 0.1kg bactericide BIT-20 and 2kg intermediate product, stir and mix, and let stand to obtain banana peel coagulant.

[0048] Coagulant preparation example

preparation example 2-5

[0050] Weigh ferrous sulfate, banana peel coagulant and hydrogen peroxide respectively, the specific quality is shown in Table 1, stir and mix to obtain coagulants a-d.

[0051] Table 1 Preparation Example 2-5 Coagulant Composition

[0052]

preparation example 6-9

[0054] Weigh the polyurethane foam and the polyethylene foam respectively, the specific quality is shown in Table 2, stir and mix, and fill into the suspension ball to obtain the suspension filler a-d.

[0055] Table 2 Preparation Example 6-9 Suspended Filler Composition

[0056]

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PUM

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Abstract

The invention relates to a rainwater pipeline bypass enhanced water purification treatment system which comprises a pretreatment system, a biological treatment system, a coagulating sedimentation system and a filtering system, the biological treatment system comprises a contact oxidation pond and an aeration device, and the contact oxidation pond receives preliminarily filtered rainwater; biological oxidation is carried out through cooperation of gas conveyed by the aeration device, and rainwater subjected to biological oxidation is obtained; the coagulating sedimentation system comprises a coagulating reaction tank, a sedimentation tank and a chemical adding system, the coagulating reaction tank receives the rainwater subjected to biological oxidation and performs coagulating treatment through a chemical added by the chemical adding system to obtain the rainwater subjected to coagulating treatment, and the sedimentation tank receives the rainwater subjected to coagulating treatment and performs sedimentation treatment to obtain the rainwater subjected to sedimentation treatment; the system has the advantages of efficient rainwater purification, simple device, stable long-term operation, low operation management cost and the like.

Description

technical field [0001] The present application relates to the technical field of rainwater purification, in particular to a rainwater pipeline bypass enhanced water purification treatment system. Background technique [0002] Although the diversion of rainwater and sewage can avoid the overflow pollution of the confluence pipe, the rainwater pollution problem caused by the sediments in the rainwater pipeline, urban road erosion, atmospheric deposition and other factors still exists. Urban rainwater accumulates a large amount of pollutants, and the content of COD, SS, N, and P exceeds the V standard of the surface water standard. The pollution of rainwater in the initial stage is particularly prominent. Its pollutant components include conventional pollutants (nitrogen, phosphorus, particulate matter), heavy metals, oils, etc. The proportion of pollutants is large, the concentration of pollutants is high, and the pollution index may even exceed typical Urban sewage is one of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/10C02F101/16
CPCC02F9/00C02F3/10C02F1/5236C02F1/52C02F1/001C02F2101/16C02F2101/105C02F2303/14Y02W10/10
Inventor 金东君杨世龙鲍潇彬陈奖庆傅骏阳
Owner 义乌市排水有限公司
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