River cross-section wastewater biological purification system

Abstract

The invention discloses a river cross-section wastewater biological purification system, which comprises a plurality of microorganisms dosing devices which are arranged on the two sides of the upstream of a river, wherein the microorganisms dosing devices comprise dosing machines and drug outlets, the drug outlets are connected into the inner portion of the river, the microorganisms dosing devices are used to dose water purification compound microorganisms into the river, and downflow weirs and biological strengthening ponds are further arranged between inspection cross sections and the drug outlets of the river cross-section wastewater biological purification system, and are used to control flow speed and standing time of water flow. The river cross-section wastewater biological purification system is low in building investment and direct energy consumption, is simple to manage and maintain, improves water purification efficiency by adopting compound microorganism technology, can not secondarily pollute environment, is obviously in purification effect of river wastewater, and achieves to water standard of the inspection cross sections.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a sewage biological purification system for river channel sections. Background technique [0002] With the rapid development of the country's economy, sewage collection and treatment facilities are seriously lagging behind, causing a large amount of sewage to flow directly into the river. At present, the water quality standards of most rivers and lakes cannot meet the requirements of cross-section assessment, so measures are urgently needed for treatment. The commonly used river water purification treatment measures mainly include pipeline sewage interception, decentralized construction of small sewage treatment stations, and temporary pollution control measures of magnetic separation. However, the following shortcomings still exist in the above three existing sewage treatment methods. The investment in the pipeline network for intercepting sewage is relatively large, and the demo...

AI Technical Summary

Problems solved by technology

However, the following shortcomings still exist in the above three existing sewage treatment methods. The investment in the pipeline network for intercepting sewage is relatively large, and the demolition and relocation in urban areas or other areas with dense buildings is relatively large. Generally, it needs to be implemented according to the regional planning. longer period

Disadvantages of decentralized construction of processing stations are relatively large investment and operation management costs

The magnetic separation technology can only remove part of the insoluble pollutants, the rem

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