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A sewage biological treatment reactor and its treatment method

A sewage biological treatment and reactor technology, applied in the direction of sustainable biological treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of monitoring pipeline blockage, insufficient circulation at the bottom of bioreactor, etc., to achieve Convenient monitoring, simple structure, and enhanced back-mixing effect

Active Publication Date: 2022-05-03
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention can solve the problem of monitoring pipeline blockage, improve sampling accuracy, ensure the effect of sewage monitoring, improve the problem of insufficient circulation at the bottom of the bioreactor, and improve the efficiency of sewage monitoring and sewage treatment

Method used

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  • A sewage biological treatment reactor and its treatment method
  • A sewage biological treatment reactor and its treatment method
  • A sewage biological treatment reactor and its treatment method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] use figure 1 The cylindrical reactor shown, the reactor volume is about 1m 3 , the inflow flow is 1.2 m 3 / h, the diameter of the circulation pipe is 2cm, and the flow rate is controlled to be 0.48m 3 / h; the volume of the sampling container is 1L, the aspect ratio is 2, the distance between the water outlet and the monitoring port is 5cm from the top of the container, and the distance between the sampling port and the bottom of the container is 3cm.

[0029] The water quality of the sewage to be treated is: the concentration of ammonia nitrogen is 60mg / L, the concentration of total nitrogen is 80mg / L, and the concentration of COD is 30mg / L. Control the pH of the treatment process to be 7.5-8.5, and the treatment temperature to be 30-35°C.

[0030] Sewage treatment adopts activated sludge method. When sampling or monitoring is required, turn off the circulation pump, let the sewage settle in the sampling container for a certain period of time, collect the supernatan...

Embodiment 2

[0037] use figure 2 The cylindrical reactor shown is a cylindrical reactor with a flat bottom, and the four corners of the bottom are reaction dead zones, and four circulation branch pipes 2 are arranged at the four corners of the bottom surface, and the circulation branch pipes merge into the circulation pipe 1 at the bottom of the reactor. Reactor volume about 1m 3 , the inflow flow is 1.2 m 3 / h, the diameter of the circulating branch pipe is 0.8cm, and the flow rate is controlled to be 0.12 m 3 / h, the diameter of the circulation pipe is 2cm, and the flow rate is controlled to be 0.48 m 3 / h; the volume of the sampling container is 1L, the aspect ratio is 2, the distance between the water outlet and the monitoring port is 5cm from the top of the container, and the distance between the sampling port and the bottom of the container is 3cm.

[0038] The water quality of the sewage to be treated is: the concentration of ammonia nitrogen is 100mg / L, the concentration of tot...

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Abstract

The invention relates to a sewage biological treatment reactor and a treatment method thereof, mainly comprising a reactor body and an external circulation system, the external circulation system mainly comprising a circulation pipeline, a circulation pump and a sampling container, and the sewage is discharged from the bottom of the reactor through the circulation pump It flows through the circulation pipeline, and then enters the sampling container, which is located higher than the highest liquid level of the reactor, and the sewage is circulated back to the reactor after sampling. The invention can solve the problem of monitoring pipeline blockage, improve sampling accuracy, ensure the effect of sewage monitoring, improve the problem of insufficient circulation at the bottom of the bioreactor, and improve the efficiency of sewage monitoring and sewage treatment.

Description

technical field [0001] The invention belongs to the technical field of sewage biological treatment, and in particular relates to a sewage biological treatment reactor and a treatment method thereof. Background technique [0002] In sewage treatment systems, regular sampling of sewage treatment facilities is required for monitoring. The water intake end of the existing sewage treatment monitoring system is usually immersed directly in the sewage. When taking water samples, due to the large amount of debris in the sewage, the water sample detection is inaccurate, and the water intake port is often blocked, so that the water samples cannot be obtained smoothly. You need to manually clean and dredge the water intake pipe. In some reaction facilities, in order to avoid the blockage of the sampling water pipe, various filter components are designed inside the reactor, but the filter components still need to be backwashed regularly, and the effect of backwashing is difficult to en...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/12
CPCC02F3/12C02F3/1221C02F3/1215C02F2209/14C02F2209/10C02F2209/16C02F2209/08C02F2209/06C02F2209/02Y02W10/10
Inventor 赵胜楠姜蕊陈中涛余稷
Owner CHINA PETROLEUM & CHEM CORP
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