Malodorous black river comprehensive improvement and purification method and purification system thereof

Abstract

The invention relates to the technical field of river regulation, and particularly relates to a malodorous black river comprehensive improvement and purification method. The method comprises the following treatment steps: S1, analyzing a sample; S2, sectioning a river according to data; S3, controlling change indexes; S4, treating bottom sludge at river sections; S5, assembling a purification system; and S6, delivering microorganisms. The method can be used for effectively controlling pollution indexes, reasonably utilizing the purification system and saving cost to achieve an optimized regulation effect. The invention further relates to a malodorous black river comprehensive improvement and purification system. The system comprises an initial section, a mutation section and a recover section, as well as a primary filter system arranged in the initial section, a sludge reflux system arranged in the mutation section, a purification system and an ecological treatment system arranged in the recover section, which are sequentially arranged along the river flowing direction, wherein the primary filter system, the sludge reflux system and the ecological treatment system are connected with a control system respectively, the self-cleaning capability of a river can be gradually recovered, the operation cost is relatively low, and the purification effect is good.

Description

technical field [0001] The invention relates to the technical field of river surge treatment, in particular to a method for comprehensive treatment and purification of black and odorous rivers and a purification system thereof. Background technique [0002] With the advancement of urbanization, the discharge of industrial sewage and domestic sewage is also increasing year by year. Generally, there are many enterprises around rivers in cities, and the pollution of high COD (chemical oxygen demand), ammonia nitrogen, sulfide, heavy metals, etc. will not only cause Directly pollute the water body, and because many of these pollutants are biologically toxic, it fundamentally destroys the ecological balance of the water body. Moreover, the domestic sewage of nearby residents is not in place due to the lack of comprehensive domestic sewage pipe network, and domestic pollution will also be discharged into the river, which also seriously affects the self-purification ability of the ...

AI Technical Summary

Problems solved by technology

In this method, an oxidation pond is set up upstream for pretreatment, ignoring the pollutants entering the river from other river sections, and the purification effect is small, and the purification system is only set up in sections according to the upper, middle and lower reaches of the river, ignoring the differences in pollutants in different river sections. The big problem is that the purification systems cannot be used to the maximum extent. At the same time, the process of biological oxidation of the river sediment, due to the thick sediment of the river, the biological oxidation cannot penetrate into the deep position, resulting in the continuous generation of pollutants in the sediment. , can not get long-term maintenance effect

[0005] Application number 200910040964.8, named as a purification method for polluted rivers, including the following steps: (1) detecting the pollution indicators of the river, (2) intercepting the pollution of the river, (3) deploying the type and quantity of bacterial agents, (4) Put the obtained composite bacterial agent into the water body at 60-120ppm, (5) the composite bacterial agent transfers, transforms and degrades the pollutants in the river, (6) detects the pollution index of the river; (61) repeats steps (3)~ (6) until the river meets the requirements; the parts by weight of the composite bacterial agent are: 50-80 photosynthetic bacteria, 60-70 bacillus subtilis, 60-70 nitrifying bacteria, 25-30 lactic acid bacteria, 25-30 saccharomyces, The above-mentioned technical solution simply puts microorganisms in the river, and the microorganisms do not have a good carrier, and they are easy to be lost during the flow of the river, resulting in the loss of microorganisms, and the expected stable effect cannot be achieved.

[0006] The existing river governance methods do not have a systematic and complete governance method, and often focus on the governance of this section of the river. Without controlling from the source, it is impossible to obtain a better and stable governance effect

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