Lake water purifying treatment system for improving lake water quality

Abstract

The invention discloses a lake water purifying treatment system for improving lake water quality. The lake water purifying treatment system comprises a water inlet pump station, a water distribution well, a purifying tank, a water outlet pump station, a sludge tank and a device room. A first lifting pump is arranged in the water inlet pump station and is connected with the water distribution wellthrough a first pipeline, the water distribution well is connected with the purifying tank through a second pipeline, the purifying tank is connected with the water outlet pump station through a thirdpipeline, and a second lifting pump is arranged in the water outlet pump station and discharges purified and treated lake water into a lake through a fourth pipeline. The sludge tank is connected with the purifying tank through a fifth pipeline. The device room comprises a dosing chamber and a fan chamber, wherein a dosing system is arranged in the dosing chamber and is connected with a sedimentation basin through a dosing pipeline, and an air blower is arranged in the fan chamber and is connected with an anoxic pond and an aerobic tank through a sixth pipeline. The lake water purifying treatment system is high in sewage treatment efficiency and good in sewage purifying effect, and meanwhile treated sludge can serve as a fertilizer for reuse.

Description

technical field [0001] The invention relates to the technical field of lake water purification treatment, in particular to a lake water purification treatment system for improving lake water quality. Background technique [0002] The enrichment of nutrients such as nitrogen and phosphorus in the water body leads to excessive reproduction of algae and other aquatic organisms, causing eutrophication of the water body, reducing the transparency of the water body, reducing dissolved oxygen, aquatic plants and fish die due to lack of oxygen, and the water body turns green. Or blue, and even some algae can produce algal toxins, which not only endanger aquatic animals, but also have potential harmful effects on human health. [0003] At present, the lake water purification treatment mainly includes regular water replenishment, spraying of chemicals, and application of microbial agents, etc. Regular water replenishment is a physical purification process, although it can reduce the i...

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Problems solved by technology

[0002] The enrichment of nutrients such as nitrogen and phosphorus in the water body leads to excessive reproduction of algae and other aquatic organisms, causing eutrophication of the water body, reducing the transparency of the water body, reducing dissolved oxygen, aquatic plants and fish die due to lack of oxygen, and the water body turns green. Or blue, and even some algae can produce algal toxins, which not only harm aquatic animals, but also have potential harmful effects on human health

[0003] At present, the lake water purification treatment mainly includes regular water replenishment, spraying of chemicals, and application of microbial agents, etc. Regular water replenishment is a physical purification process, although it can reduce the increase in salt content and the Dilute the concentration of harmful pollutants in the water, but it can only delay the deterioration of the water quality and the eutrophication of the water body, and cannot fundamentally solve the water quality problem; although the spraying of chemicals can make the lake surface appear clear in a short period of time However, chemicals will destroy the neutral environment of the original lake water and cause poisonous effects on the organisms in the lake. At the same time, the pollutants will be adsorbed by the drugs and precipitate to the bottom of the lake, resulting in the deposition of a large amount of high-concentration sludge in the bottom mud, which will seriously affect the ecology of the lake bottom. Environment; although the application of microbial agents has a good effect on the treatment of industrial sewage with fixed carbon sources, long-term large-scale injection into a closed lake has certain potential hazards

[0004] The above lake water treatment methods have low treatment efficiency and poor lake water purification effect, and cannot fundamentally solve the problem of lake water pollution, and at the same time cannot further treat sludge

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