Microbial purifying ecological treatment system of landscape water body

Abstract

The invention discloses a microbial purifying ecological treatment system of a landscape water body, which comprises a first-stage filter tank (1), a second-stage biochemical pool (2), a third-stage biochemical pool (3), a fourth-stage reduction pool (4), a fifth-stage clean water pool (5), and a pollution discharge pool (6). The invention adopts micro-power circulation, filtration and sedimentation, utilizes a microbial contact oxidation method, via a multi-stage artificial beneficial microbial culture bed, by a technical proposal that an aerobic beneficial microorganism takes in and degrades the organic pollutant, nitrogen and phosphorus plant nutrient, and then a ultraviolet ray implements sterilization and disinfection for purifying and restoring the clear water, and thus solving the problems and shortcomings of high cost, water source restriction, drug contamination, and lower removal rate which exist in the prior art. The microbial purifying ecological treatment system of the landscape water body can lead the purifying treatment of the landscape water body to achieve the purposes of easy control, high removal, low cost, non-needing water change, and non-drug pollution by the way of artificially cultivating aerobic beneficial microbial ecological circular automatic purification.

Description

technical field [0001] The invention relates to water body purification treatment technology, specifically refers to relatively closed or semi-closed water bodies in gardens, residential areas, and urban landscapes, through micro-power assisted circulation, using beneficial aerobic microorganisms to degrade pollutants in water bodies, and enhancing self-purification of water bodies The ability of a landscape water microbial purification ecological treatment system. Background technique [0002] The organic pollutants in the landscape water body come from the domestic sewage in the area, the garbage, fallen leaves, and dust collected by the rainwater, the excrement of fish in the water, and the humus of aquatic plants. Domestic sewage contains a large amount of organic matter. After the organic matter enters the waterscape water body, it is decomposed by bacteria and converted into nitrogen and phosphorus plant nutrients to accelerate the eutrophication of the water body, cau...

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Problems solved by technology

[0003] The landscape water purification methods in the prior art include water diversion for water exchange, circulating sand filtration, drug algae killing, and purification of beneficial microorganisms. Among them: diversion of water for water replacement, limited by cost and water source, 300m 3 Above the water body, the cost is too high, 5000m 3 The above water bodies have almost no feasibility of water sources; the circulating sand filtration method can only filter out the solids in the water, but has no filtering effect on the nitrogen, phosphorus plant nutrients and moldy smell dissolved in the water; the effect of drug algae killing is short, It has no effect on dissolving nitrogen, phosphorus plant nutrients and musty smell in water, and it also causes secondary pollution of water bodies, after which algae will still grow wildly again; put in beneficial microorganisms to purify, accelerate the decomposition of organic matter in water, and improve water quality. For the purification effect, the existing technology adopts adding a large amount of sludge at the bottom of the water, and then putting in the sludge to cultivate beneficial microorganisms; the purification effect of this extensive feeding and cultivation method is difficult to control, and the removal rate of nitrogen and phosphorus plant nutrients is low

Therefore, the prior art has the problems and deficiencies of high cost, limited water source, inability to remove nitrogen and phosphorus plant nutrients, drug contamination, and low removal rate

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