Method for treating culture dormancy by controlling rural sewage

Abstract

The invention provides a method for treating culture dormancy by controlling rural sewage. The method comprises the following steps: introducing sewage into an anaerobic pool, treating the sewage sequentially through an anoxic pool, an aerobic pool, a settling pool, the anaerobic pool, the anoxic pool, the aerobic pool and the settling pool, discharging supernatant in the settling pool, stopping the sewage from entering for 8 hours after operating for 16 hours, stopping treatment on the sewage by the anaerobic pool, the anoxic pool, the aerobic pool and the settling pool while stopping the sewage from entering, stopping discharging the supernatant in the settling pool, continuously circulating, controlling the volume ratio of the sludge in the anaerobic pool to the anaerobic pool to be 3:10, and refluxing the sludge of the settling pool to the anaerobic pool when the volume ratio of the sludge in the anaerobic pool to the anaerobic pool is 3:10. The water entering and equipment operation time is adjusted according to the time specificity of rural sewage discharge, so on one hand, the dormancy time of the culture is guaranteed and the working efficiency of the culture is improved, and on the other hand, the pressure of an adjusting pool is reduced and the discharged sewage can be treated timely.

Description

technical field [0001] The invention belongs to the field of water treatment, in particular to a method for controlling the dormancy of rural sewage treatment bacteria. Background technique [0002] With the rapid development of the rural economy, the discharge of comprehensive rural wastewater has gradually increased, which has deteriorating the environmental conditions in rural areas, and the environmental quality has declined significantly, directly threatening the living environment and health of the broad masses of farmers, and restricting the healthy development of the rural economy. . [0003] The rural sewage treatment equipment under the existing technology operates continuously for 24 hours, but in the actual sewage treatment process, the rural sewage discharges more during the day and almost no water discharge at night, resulting in basically no sewage entering the equipment at night, and the bacterial strains in the night There is no nutrients at night, causing ...

AI Technical Summary

Problems solved by technology

[0003] The rural sewage treatment equipment under the existing technology operates continuously for 24 hours, but in the actual sewage treatment process, the rural sewage discharges more during the day and almost no water discharge at night, resulting in basically no sewage entering the equipment at night, and the bacterial strains in the night There is no nutrients at all times, causing excessive aerobic, and the sewage treatment effect is not good at night time