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System and method for treating organic wastewater

A technology for organic wastewater and treatment systems, applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of the loss of balanced water quality and quantity in the regulating tank, and the failure of the primary sedimentation tank to treat Effects and other issues, to achieve the effect of reducing the amount of chemicals used, reducing investment costs, and saving operating costs

Inactive Publication Date: 2011-08-17
BEIJING JP ENVIRONCHINA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For high-concentration and high-suspended solids wastewater, the setting of the primary sedimentation tank is also necessary. Usually, the primary sedimentation tank is set after the regulating tank, but a large amount of suspended solids in the wastewater will settle down in the regulating tank, and a large amount of sludge will be deposited in the regulating tank. , causing the regulating tank to lose the function of balancing water quality and quantity, and the subsequent primary sedimentation tank will not achieve the expected treatment effect

Method used

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  • System and method for treating organic wastewater
  • System and method for treating organic wastewater

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Embodiment 1

[0028] Such as figure 1 As shown, a treatment system for organic wastewater, the system includes grid wells, primary sedimentation tanks, regulating tanks, anaerobic treatment devices, anoxic treatment devices, and aerobic treatment devices connected by pipelines in sequence according to the flow of organic wastewater , secondary settling tank, sludge tank and water quality monitoring tank, the sludge outlet of the primary settling tank, anaerobic treatment device and anoxic treatment device are connected through the sludge pipeline and the sludge inlet of the sludge tank, and the sludge in the secondary settling tank The outlet is respectively connected to the grid well or the sludge inlet of the adjustment tank through the sludge return pipeline, and the sludge return outlet of the sludge tank is respectively connected to the grid well, the adjustment tank, the anaerobic treatment device, and the anoxic treatment unit through the sludge return pipeline. The device is connect...

Embodiment 2

[0030] Such as figure 1 Shown, a kind of treatment method of organic waste water comprises the following steps successively:

[0031] According to the sewage water quality and effluent requirements, determine the amount of flocculant, coagulant aid or decolorant, and add flocculant, coagulant aid or decolorant to the sewage step;

[0032] Primary sedimentation tank treatment steps; determine the hydraulic load of the primary sedimentation tank according to the sewage water quality.

[0033] conditioning pool processing steps;

[0034] Anaerobic anoxic treatment step;

[0035] Anoxic treatment step;

[0036] One-stage aerobic treatment and two-stage aerobic treatment steps;

[0037] Secondary settling tank treatment steps;

[0038] The sludge produced in the treatment step of the secondary settling tank enters the sludge tank, and the sewage produced in the treatment step of the secondary settling tank is respectively returned to the anaerobic treatment device and the anox...

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Abstract

The invention relates to a system and a method for treating organic wastewater. The system for treating the organic wastewater comprises a grille well, a primary settling tank, a regulating tank and a sludge tank, wherein the sewage outlet of the grille well is connected with the sewage inlet of the primary settling tank through a sewage pipe, the sewage outlet of the primary settling tank is connected with the sewage inlet of the regulating tank through a sewage pipe, the sludge outlet of the primary settling tank is connected with the sludge inlet of the sludge tank through a sludge pipe, and the sludge reflux outlet of a secondary settling tank or the sludge tank is connected with the sludge inlet of the grille well through a sludge reflux pipe. The system and the method can fully play a biological flocculation role of reflux sludge, and improve the effect of biochemical treatment.

Description

technical field [0001] The invention belongs to the technical field of sewage biochemical treatment, and in particular relates to a treatment system and method for organic waste water. Background technique [0002] Usually, the biochemical treatment of industrial wastewater adopts the following sequential treatment steps: regulating tank treatment, primary sedimentation tank treatment, anaerobic or anoxic treatment, aerobic treatment and secondary sedimentation tank treatment. [0003] There are many kinds of industrial wastewater, including mine water treatment and reuse, starch wastewater treatment and starch protein recovery, fermentation industry wastewater treatment and feed and organic compound fertilizer extraction and preparation, biochemical pharmaceutical industry wastewater treatment, synthetic pharmaceutical industry wastewater treatment, food industry Wastewater treatment and reuse, machinery industry wastewater treatment and reuse, iron and steel industry waste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F3/30
Inventor 吴冰刘雪春何伟冯屹卢雷
Owner BEIJING JP ENVIRONCHINA TECH
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