CN210736333U - Sewage treatment plant based on photosynthetic biomembrane - Google Patents

Abstract

The utility model provides a sewage treatment device based on photosynthetic biological membranes, which comprises a sewage treatment pool, a circulating pipeline and at least one group of photosynthetic biological membranes arranged in the sewage treatment pool; the circulating pipeline is provided with a circulating pump, the water inlet end of the circulating pipeline is communicated with the bottom of one end of the sewage treatment tank, and the water outlet end of the circulating pipeline is communicated with the top of the other end of the sewage treatment tank. The sewage treatment device based on the photosynthetic biomembrane has the advantages of scientific design, good water treatment effect, low treatment cost and strong practicability.

Description

Sewage treatment plant based on photosynthetic biomembrane

Technical Field

The utility model relates to a sewage treatment device, specifically speaking relates to a sewage treatment device based on photosynthetic biomembrane.

Background

Along with the increase of population, more and more domestic sewage is discharged into nearby water bodies, so that water eutrophication is caused, a series of problems of water body turbidity, blackness, odor, oxygen deficiency, low transparency and the like occur, serious water body pollution is caused, and the production and life quality of urban residents is seriously influenced.

In recent years, the biofilm technology is widely researched and adopted as a technology for treating water pollution. The biological membrane technology can fixedly enrich a large amount of microorganisms with degradation functions in unit space, is beneficial to removing organic matters, ammonia nitrogen and other biodegradable pollutants in flowing water environment, and becomes one of the in-situ biological treatment technologies for more and effectively polluted rivers. However, the existing river biofilm in-situ treatment technology mainly refers to a contact oxidation process in sewage treatment, and mechanical aeration is utilized, so that the operation and management costs are high, the application in large-area water bodies is not facilitated, and the long-term effective treatment is difficult.

In order to solve the above problems, people are always seeking an ideal technical solution.

Disclosure of Invention

The utility model aims at the not enough of prior art to a sewage treatment plant based on photosynthetic biomembrane that design science, water treatment are effectual, the treatment cost is low, the practicality is strong is provided.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a sewage treatment device based on photosynthetic biological membranes comprises a sewage treatment pool, a circulation pipeline and at least one group of photosynthetic biological membranes arranged in the sewage treatment pool; the circulating pipeline is provided with a circulating pump, the water inlet end of the circulating pipeline is communicated with the bottom of one end of the sewage treatment tank, and the water outlet end of the circulating pipeline is communicated with the top of the other end of the sewage treatment tank.

On the basis, be provided with at least one vertical baffle in the sewage treatment pond, the vertical baffle separation is in on the sewage flow direction in the sewage treatment pond, vertical baffle's height is shorter than the height in sewage treatment pond.

Based on the above, in the sewage flow direction in the sewage treatment tank, the heights of the vertical partition plates are sequentially decreased progressively.

Based on the above, vertical baffle will sewage treatment pond is cut apart into a plurality of treatment intervals, every all be provided with a set of photosynthetic biomembrane in the treatment interval.

Based on the above, every the sewage inflow side of vertical baffle all pastes and is equipped with one and presses close to the board, press close to the board bottom with sewage treatment pond bottom surface is left and is established the clearance, the top that presses close to the board is higher than the top setting of vertical baffle, press close to the board with form narrow runner between the vertical baffle.

Based on the above, press close to the top of board with sewage treatment pond top parallel and level sets up.

Based on the above, sewage treatment pond lateral wall bottom is provided with a plurality of blowoff valves.

Based on the above, the sewage treatment tank is a transparent toughened glass tank.

Based on the above, each group of photosynthetic biological membranes comprises a membrane-hanging bracket and a plurality of layers of photosynthetic biological membranes hung on the membrane-hanging bracket.

Based on the above, the photosynthetic biomembrane adopts the hollow fiber membrane as the colony carrier.

The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses utilize sunlight or artificial light source to provide the photosynthesis energy for biological photosynthesis membrane, consume the carbon dioxide in the sewage and produce oxygen, supply the organic matter of aerobic microorganism oxidation consumption aquatic, reach high-efficient purification water purpose, simultaneously, utilize the circulating pump makes sewage circulation in the sewage treatment pond flows, has increased the oxygen content in the sewage on the one hand, has replaced the huge mechanical aeration device of cost, and on the other hand sewage flows through many times photosynthetic biomembrane obtains repetitious treatment to treatment effect has been improved.

The vertical partition plates divide the sewage treatment tank into a plurality of treatment sections, so that sewage can be treated for multiple times in a single flow, the heights of the vertical partition plates are gradually reduced along the water flow direction, the water flow direction of the sewage can be controlled, and backflow is avoided; the narrow flow channel is formed by a gap between the proximity plate and the vertical partition plate, so that bottom sewage in each treatment area is preferentially discharged, first-in first-out is realized, and the contact time with the photosynthetic biological membrane is ensured; the blowoff valve is convenient for discharging sludge.

Drawings

FIG. 1 is a front view of a sewage treatment device based on photosynthetic biomembrane.

FIG. 2 is a top view of the sewage treatment device based on photosynthetic biomembrane.

Fig. 3 is a schematic structural diagram of the photosynthetic biofilm of the present invention.

Wherein: 1. a sewage treatment tank; 2. a circulation line; 3. a circulation pump; 4. a vertical partition plate; 5. a proximity plate; 6. a narrow flow passage; 7. a film hanging bracket; 8. a photosynthetic biofilm; 9. a hollow fiber membrane; 10. bacterial colony; 11. a blowoff valve.

Detailed Description

Embodiments of the present embodiment will be specifically described below with reference to the drawings.

As shown in fig. 1-3, a sewage treatment device based on a photosynthetic biofilm comprises a sewage treatment tank 1, a circulation pipeline 2 and three vertical partition plates 4 arranged in the sewage treatment tank 1, wherein a circulation pump 3 is arranged on the circulation pipeline 2, a water inlet end of the circulation pipeline 2 is communicated with the bottom of one end of the sewage treatment tank 1, a water outlet end of the circulation pipeline 2 is communicated with the top of the other end of the sewage treatment tank 1, and sewage can flow in the sewage treatment tank 1 in a circulating manner after the circulation pump 3 is started; three vertical baffle 4 separates sewage treatment pond 1 for four processing intervals, every all set up a set of photosynthetic biomembrane 8 in the processing interval, vertical baffle 4 separation is in on the sewage flow direction in the sewage treatment pond 1, vertical baffle 4 highly be shorter than sewage treatment pond 1's height for sewage can pass through four in proper order in the single circulation process the processing interval, through quartic absorption degradation.

In order to ensure the sewage flow direction, the heights of the three vertical partition plates 4 are sequentially decreased in the sewage flow direction in the sewage treatment tank 1.

In order to further improve the sewage treatment effect, a proximity plate 5 is attached to the sewage inflow side of each vertical partition plate 4, a gap is reserved between the bottom end of the proximity plate 5 and the bottom surface of the sewage treatment tank 1, the top end of the proximity plate 5 is higher than the top end of the vertical partition plate 4, and a narrow flow passage 6 is formed between the proximity plate 5 and the vertical partition plate 4; when the device is used, sewage in each treatment interval is in an upper inlet and a lower outlet, and is in a first-in first-out mode, so that the comprehensive contact between the sewage and the photosynthesis membrane 8 is effectively guaranteed, and the sewage treatment effect is improved.

In this embodiment, the top end of the proximity plate 5 is flush with the top end of the sewage treatment tank 1; in other embodiments, the height of the vertical partition plate 4 can be higher than or lower than the top end of the sewage treatment tank 1, and the sewage flow speed is not fast as long as the height of the vertical partition plate is higher than the top end of the vertical partition plate 4, so that the effect of upward sewage inlet and downward sewage inlet and first-in first-out sewage outlet can be achieved.

After the sewage treatment tank 1 has been used for a long time, the bottom can deposit mud, and for the convenience of blowdown, 1 lateral wall bottom in sewage treatment tank is provided with a plurality of blowoff valves 11.

In order to ensure the light intensity, the sewage treatment tank 1 is a transparent toughened glass tank, so that the photosynthetic biological film 8 can carry out photosynthesis conveniently.

In this embodiment, each of the photosynthetic biofilms 8 includes a biofilm culturing support 9 and a plurality of photosynthetic biofilms 8 suspended on the biofilm culturing support 9, and the photosynthetic biofilms 8 adopt hollow fiber membranes 9 as carriers for bacterial colonies 10.

The working principle is as follows:

the utility model discloses photosynthetic bacteria who contains a large amount of protozoa, little algae, gram-negative fungus in the bacterial colony 10 on the photosynthetic biomembrane 8, with other aerobic microorganisms constitution symbiosis relation, utilize sunlight or artificial light source to provide the photosynthesis energy, photosynthetic bacteria absorbs the carbon dioxide in the sewage and produces oxygen, supplies the organic matter of aerobic microorganisms consumption aquatic, opens circulating pump 3 back, and sewage is at 1 mesocycle flow in sewage treatment pond, makes sewage become running water, passes through four in proper order the processing interval is handled through quartic, and whether up to standard through detecting the sewage in the last processing interval, whether the judgement is discharged or continues circulation treatment.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (10)

1. The utility model provides a sewage treatment plant based on photosynthetic biomembrane which characterized in that: comprises a sewage treatment tank, a circulating pipeline and at least one group of photosynthetic biological membranes arranged in the sewage treatment tank; the circulating pipeline is provided with a circulating pump, the water inlet end of the circulating pipeline is communicated with the bottom of one end of the sewage treatment tank, and the water outlet end of the circulating pipeline is communicated with the top of the other end of the sewage treatment tank.

2. The photosynthetic biofilm-based sewage treatment plant of claim 1, wherein: at least one vertical partition plate is arranged in the sewage treatment tank, the vertical partition plate is used for separating sewage in the sewage treatment tank in the flowing direction, and the height of the vertical partition plate is shorter than that of the sewage treatment tank.

3. The photosynthetic biofilm-based sewage treatment plant of claim 2, wherein: and the heights of the vertical partition plates are sequentially decreased progressively in the sewage flowing direction in the sewage treatment tank.

4. The photosynthetic biofilm-based sewage treatment plant of claim 3, wherein: the vertical partition board divides the sewage treatment tank into a plurality of treatment intervals, and each treatment interval is internally provided with a group of photosynthetic biological membranes.

5. Photosynthetic biofilm-based sewage treatment plant according to any of claims 2 to 4, characterized in that: every the sewage inflow side of vertical baffle all pastes and is equipped with one and presses close to the board, press close to the board bottom with sewage treatment pond bottom surface is reserved and is established the clearance, the top that presses close to the board is higher than the top setting of vertical baffle, press close to the board with form narrow runner between the vertical baffle.

6. The photosynthetic biofilm-based sewage treatment plant of claim 5, wherein: the top of pressing close to the board with sewage treatment pond top parallel and level sets up.

7. The photosynthetic biofilm-based sewage treatment plant of any one of claims 1, 2, 3, 4, or 6, wherein: and a plurality of blow-down valves are arranged at the bottom of the side wall of the sewage treatment tank.

8. The photosynthetic biofilm-based sewage treatment plant of any one of claims 1, 2, 3, 4, or 6, wherein: the sewage treatment tank is a transparent toughened glass tank.

9. The photosynthetic biofilm-based sewage treatment plant of any one of claims 1, 2, 3, 4, or 6, wherein: each group of photosynthetic biological membranes comprises a membrane-hanging bracket and a plurality of layers of photosynthetic biological membranes hung on the membrane-hanging bracket.

10. The photosynthetic biofilm-based sewage treatment plant of claim 9, wherein: the photosynthetic biomembrane adopts a hollow fiber membrane as a bacterial colony carrier.

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