CN220056517U - Aerobic microorganism suspension filter tank purifying device - Google Patents
Aerobic microorganism suspension filter tank purifying device Download PDFInfo
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- CN220056517U CN220056517U CN202321460845.XU CN202321460845U CN220056517U CN 220056517 U CN220056517 U CN 220056517U CN 202321460845 U CN202321460845 U CN 202321460845U CN 220056517 U CN220056517 U CN 220056517U
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Abstract
The utility model relates to an aerobic microorganism suspension filter tank purification device which comprises a biochemical reaction tank and a microorganism flora layer arranged in the biochemical reaction tank, wherein a water inlet pipe communicated with the inside of the biochemical reaction tank is fixedly connected to one side of the biochemical reaction tank, a plurality of aeration machines are arranged at the bottom of the biochemical reaction tank, the aeration machines are distributed at equal intervals along the length direction of the biochemical reaction tank, a vertically arranged partition plate is fixedly connected between each corresponding aeration machine of the biochemical reaction tank, a plurality of exhaust channels are formed between a plurality of adjacent partition plates and the side wall of the biochemical reaction tank, aeration pipes communicated with the outside are arranged at the bottoms of the aeration machines, a plurality of inclined speed reduction plates are fixedly connected in each exhaust channel, the speed reduction plates are sequentially distributed on the side walls of the two sides of the exhaust channels at intervals, and each speed reduction plate is obliquely upwards distributed towards the center of the exhaust channels. The utility model has the effects of improving the oxygen dissolution rate in sewage, enhancing the biological activity of aerobic microorganism flora and further improving the biological sewage treatment effect.
Description
Technical Field
The utility model relates to the field of sewage purification devices, in particular to an aerobic microorganism suspension filter tank purification device.
Background
Various methods for sewage treatment, such as biological treatment for degrading organic matters by microorganisms, physical treatment for removing suspended matters and sediments in sewage by filtration, precipitation and adsorption, chemical treatment for converting heavy metals in water into harmless substances by chemical reaction, and combination of physical, chemical and biological treatment methods are used in urban sewage treatment plants by selecting proper treatment methods according to different sewage types and treatment requirements.
The aerobic microorganism biochemical treatment technology is one of the main stream technologies of biological treatment methods, an aerobic microorganism flora layer is arranged in a biological treatment tank, organic matters in organic wastewater are decomposed into harmless substances such as water, carbon dioxide and sludge by utilizing metabolism of aerobic microorganisms, and inorganic substances such as ammonia nitrogen and nitrate in sewage can be effectively removed, so that the aim of purifying the water is fulfilled.
Since biochemical treatment mainly depends on the bioactive reaction of aerobic microorganisms, how to increase the efficiency of the aerobic microbial flora layer, and further how to increase the contact amount of the microbial flora and oxygen molecules and the absorption rate of the oxygen molecules becomes important. At present, a microporous blast aeration process is mostly adopted in urban sewage treatment plants to continuously send oxygen into a main pipeline of a biological treatment tank, then the oxygen is introduced into sewage through a diffuser or other equipment, and the oxygen is dissolved in the sewage through a mechanical stirring method. The aeration process equipment is generally arranged at the bottommost part of the biochemical sewage treatment tank, the water flow rate in the biochemical sewage treatment tank is low, oxygen directly floats to the water surface in the form of bubbles when being injected into sewage, so that the oxygen is not easy to dissolve in water, and the oxygen utilization rate of aerobic microorganisms is low.
With respect to the above related art, the inventors consider that the rising speed of oxygen in sewage can be slowed down to increase the contact time of oxygen and water, and the dissolution rate of oxygen in sewage can be improved, thereby improving the biochemical reaction activity of aerobic microorganisms.
Disclosure of Invention
In order to improve the oxygen dissolution rate in sewage and enhance the biological activity of aerobic microorganism flora, and further improve the biological sewage treatment effect, the utility model provides an aerobic microorganism suspension filter tank purifying device.
The utility model provides a purifying device for an aerobic microorganism suspension filter tank, which adopts the following technical scheme:
the utility model provides an aerobic microorganism suspension filtering pond purifier, including biochemical reaction pond and the microorganism fungus crowd layer of setting inside biochemical reaction pond, biochemical reaction pond one side rigid coupling has the inside inlet tube of intercommunication biochemical reaction pond, biochemical reaction pond bottom is provided with a plurality of aerators, a plurality of aerators are equidistant along the length direction of biochemical reaction pond and distribute, all the rigid coupling has the baffle of vertical setting between the biochemical reaction pond corresponds every aerator, form a plurality of exhaust passage between a plurality of adjacent baffles and the biochemical reaction pond lateral wall, the aerator bottom all is provided with the aeration pipe of intercommunication external world, the equal rigid coupling of every exhaust passage is inside to have the slow down board of a plurality of slope settings, the equal alternate distribution in proper order of polylith slow down board is on exhaust passage both sides lateral wall, every slow down board all upwards distributes towards exhaust passage center slope.
Through adopting above-mentioned technical scheme, the problem that the water mobility of biochemical reaction pond inside is relatively poor to lead to the dissolved oxygen volume low can be solved by through increasing the time of floating of oxygen bubble in sewage, and its realization mode is: each aerator exhaust oxygen-containing bubble floats up in the exhaust passage, and the oxygen-containing bubble floats up in-process butt deceleration board to move up along the inclined plane of deceleration board, increased the time of floating up of oxygen-containing bubble through the process that the inclined plane of deceleration board moved up, because the effect that the aeration machine was discharged to stir the water, the stirring nature of the water in the exhaust passage is stronger, and the mobility of the mode that exists physical stirring in the exhaust passage increases sewage promptly and further improves the dissolved oxygen effect.
Optionally, the biochemical reaction tank is provided with a stirring device at the top end of the exhaust channel, and the stirring device is transversely arranged.
Through adopting above-mentioned technical scheme, agitating unit of different directions lies in the stirring direction of water different, because gravity's the reason when agitating unit stirs, compare the advantage that has irregular stirring in the setting of other directions, agitating unit will inevitably produce the vortex when stirring with the setting of any non-transverse direction, take vertical as the example, the vortex that can produce the inside water structure of destruction biochemical reaction pond when agitating unit stirs, the vortex not only influences the dissolved oxygen effect, still can influence the microbial flora, the water flow is too fast will destroy the stability of microbial flora layer, reduce the survival quantity of microbial flora, and transversely set up because the destruction of gravity to the vortex leads to the irregular stirring of water, and the dynamics of stirring can be reduced in the influence of gravity, in order to reduce the influence that rivers surge caused the microbial flora.
Optionally, the stirring device comprises a rotating shaft which is rotationally connected to the side wall of the biochemical reaction tank, the rotating shaft is axially and horizontally arranged, a plurality of stirring blades are arranged on the rotating shaft, a rotating motor is transversely arranged on the outer side of the biochemical reaction tank corresponding to the rotating shaft, and the rotating shaft of the rotating motor penetrates through the side wall of the biochemical reaction tank and is fixedly connected with the end part of the rotating shaft.
Through adopting above-mentioned technical scheme, rotating motor drive pivot rotation, the stirring mode that the pivot drove multi-disc stirring leaf stirring rivers has low-cost easy realization and the advantage of being convenient for control, and the staff can be through the stirring effect of control rotation motor control rivers.
Optionally, the plurality of stirring blades are distributed at equal intervals along the axial direction of the rotating shaft.
Through adopting above-mentioned technical scheme, stirring leaf equidistant evenly distributed can the average stirring effect in the pivot, avoids water flow uneven to influence local dissolved oxygen volume too big or too little.
Optionally, a filter screen is fixedly connected to the bottom of the biochemical reaction tank, and the aerator and the partition plate are both arranged on the filter screen.
Through adopting above-mentioned technical scheme, because unavoidable contain domestic waste in the sewage, domestic waste is unavoidable to produce the omission in front end treatment process, when the biochemical reaction pond is arranged to the pipe that intakes, the filter screen filters the large-scale solid rubbish that contains in the sewage, avoids large-scale solid rubbish to block up exhaust passage, influences the aeration effect.
Optionally, the biochemical reaction tank is provided with closely porous mesh plates respectively at the top side and the bottom side of the microbial community layer, and two closely porous mesh plates are horizontally arranged, and the microbial community layer is arranged between the two closely porous mesh plates.
By adopting the technical scheme, the dense-pore screen plate realizes two functions, the dense-pore screen plate can be used as the boundary between the microorganism flora layer attaching main body and the microorganism flora layer, the dense pores adsorb microorganisms, and the microorganism flora layer is formed between the two dense-pore screen plates in the microorganism flora, so that organic matters in sewage are stably filtered and treated; in addition, the dense-pore screen plate at the bottom side of the microbial community layer can weaken the influence of the surging water flow on aerobic microorganisms in the microbial community layer, and weaken the scattering effect of the water flow on the microorganisms.
Optionally, a water outlet is formed in one side of the top end of the biochemical reaction tank, the water outlet is formed above the microbial flora layer, and a water outlet tank is fixedly connected to the outer side wall of the biochemical reaction tank corresponding to the water outlet.
By adopting the technical scheme, the water outlet is discharged in a clear water overflowing way, so that the water flow discharging speed can be slowed down, and enough time is provided for sewage filtration in the biochemical reaction tank.
Optionally, a vent pipe is arranged at the top end of the biochemical reaction tank.
Through adopting above-mentioned technical scheme, the breather pipe is used for biochemical reaction tank and external gas exchange, discharges the waste gas that degradation produced, produces a large amount of carbon dioxide after the organic matter is degraded to good oxygen microorganism, and carbon dioxide discharges untimely will lead to the reduction of the interior oxygen content of biochemical reaction tank, suppresses good oxygen microorganism's activity to lead to sewage purification effect.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
FIG. 2 is a schematic diagram showing the internal structure of the biochemical reaction cell.
FIG. 3 is a sectional view showing the internal structure of the biochemical reaction well.
Reference numerals illustrate: 1. a biochemical reaction tank; 11. a water inlet pipe; 12. a water outlet tank; 13. a water outlet pipe; 14. a vent pipe; 15. a blow-down pipe; 2. a filter screen; 21. a blow-down chamber; 22. an aerator; 23. an exhaust pipe; 231. an air pump; 24. a partition plate; 25. an exhaust passage; 26. a speed reducing plate; 27. a rotating shaft; 271. stirring blades; 28. a dense hole screen; 29. a layer of microbial flora.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses a purifying device for an aerobic microorganism suspension filter. Referring to fig. 1 and 2, an aerobic microorganism suspension filter purifying device comprises a biochemical reaction tank 1 and a water inlet pipe 11 fixedly connected to the bottom of one side of the biochemical reaction tank 1, wherein the water inlet pipe 11 is communicated with the inside of the biochemical reaction tank 1, a water outlet tank 12 is fixedly connected to the top of one end of the biochemical reaction tank 1, which is far away from the water inlet pipe 11, and a water outlet pipe 13 communicated with the water outlet tank 12 is fixedly connected to the bottom of the water outlet tank 12; the top end of the biochemical reaction tank 1 is fixedly connected with a vent pipe 14 communicated with the inside of the biochemical reaction tank 1. The water flow after the primary purification of the previous sewage treatment stage is sent into the biochemical reaction tank 1 by the water inlet pipe 11, the sewage is secondarily purified in the biochemical reaction tank 1, overflows into the water outlet tank 12 from the top, finally the water flow in the water outlet tank 12 is discharged by the water outlet pipe 13, and the air pipe 14 timely exchanges gas with the outside in the sewage purification process, so that the waste gas generated in the biochemical reaction tank 1 is timely discharged.
Referring to fig. 2 and 3, a filter screen 2 is fixedly connected between two side walls of a biochemical reaction tank 1, and a sewage draining cavity 21 is formed between the filter screen 2 and the bottom wall of the biochemical reaction tank 1; a drain pipe 15 communicated with a drain cavity 21 is fixedly connected at the bottom end of the side wall of the biochemical reaction tank 1, which is close to the water outlet tank 12; five aeration machines 22 are fixedly connected to the upper side of the filter screen 2, the five aeration machines 22 are distributed at equal intervals along the length direction of the biochemical reaction tank 1, the five aeration machines 22 are distributed on a straight line, an aeration pipe 23 communicated with each aeration machine 22 is arranged in the sewage disposal cavity 21, an air pump 231 is arranged on the outer side wall of the biochemical reaction tank 1, and the aeration pipe 23 penetrates through the side wall of the biochemical reaction tank 1 to be connected with the air pump 231. Because the sewage inevitably contains household garbage, the household garbage is inevitably omitted in the front-end treatment process, and when the household garbage is discharged into the biochemical reaction tank 1 through the water inlet pipe 11, the filter screen 2 filters large solid garbage contained in the sewage into the sewage discharging cavity 21, and the large solid garbage is discharged out of the biochemical reaction tank 1 through the sewage discharging pipe 15; the aerator 22 continuously provides oxygen bubbles to the top end of the biochemical reaction tank 1 on the premise of no large solid garbage so as to increase the oxygen content in the sewage.
Referring to fig. 2 and 3, a vertically arranged partition board 24 is fixedly connected between each aerator 22, a plurality of exhaust channels 25 are formed between the partition board 24 and between the partition board 24 and the side wall of the biochemical reaction tank 1, the plurality of exhaust channels 25 have the same structure, for example, one of the exhaust channels 25 is fixedly connected with a obliquely arranged speed reducing plate 26 on the opposite side wall of each exhaust channel 25, the two speed reducing plates 26 are arranged at different heights, the two speed reducing plates 26 are obliquely upwards arranged towards the central part, and the aerator 22 is arranged close to the lower speed reducing plate 26; the top ends of the exhaust channels 25 are provided with a rotating shaft 27 which is axially and horizontally arranged, two ends of the rotating shaft 27 are rotationally connected with two opposite side walls of the biochemical reaction tank 1, the rotating shaft 27 is fixedly connected with spiral stirring blades 271, and the blade intervals of the stirring blades 271 are equally distributed along the length direction of the rotating shaft 27; the outer side wall of the biochemical reaction tank 1 is fixedly connected with a rotating motor corresponding to the rotating shaft 27, and the output shaft of the rotating motor penetrates through the side wall of the biochemical reaction tank 1 and is fixedly connected with the end part of the rotating shaft 27. The problem of low dissolved oxygen caused by poor water fluidity inside the biochemical reaction tank 1 can be solved by increasing the floating time of oxygen bubbles in the sewage, and the dissolved oxygen effect can be further improved by increasing the fluidity of the sewage in a physical stirring manner. The oxygen-containing bubbles discharged by each aerator 22 float upwards in the exhaust channel 25, the oxygen-containing bubbles are abutted against the speed reducing plate 26 in the process of floating upwards and move upwards along the inclined surface of the speed reducing plate 26, and the floating time of the oxygen-containing bubbles is prolonged through the process of moving upwards the inclined surface of the speed reducing plate 26; the stirring devices in different directions are different in stirring directions of the water body, and the stirring devices transversely arranged are used for stirring due to gravity, so that the stirring devices have the advantage of irregular stirring compared with the stirring devices in other directions, the stirring devices transversely arranged cause irregular stirring of the water body due to the damage of gravity to vortex, and the influence of gravity can reduce stirring force so as to reduce the influence of water flow surge on microbial flora.
Referring to fig. 2 and 3, two densely perforated mesh plates 28 are fixedly connected between two opposite sides of the biochemical reaction tank 1, and a microbial flora layer 29 is formed between the two densely perforated mesh plates 28. The dense pore mesh plate 28 realizes two functions, the dense pore mesh plate 28 can be used as a microbial flora layer 29 to attach a main body and the limit of the microbial flora layer 29, the dense pores adsorb microorganisms, and the microbial flora layer 29 is formed between the two dense pore mesh plates 28 in a microbial flora group so as to stabilize and filter organic matters in the sewage; in addition, the dense mesh plate 28 at the bottom side of the microbial community layer 29 can weaken the influence of the gushing water flow on the aerobic microorganisms in the microbial community layer 29, and weaken the flushing effect of the water flow on the microorganisms.
Five aeration machines 22 and five exhaust passages 25 are shown in the figure, but practical application is not limited to five. Two deceleration plates 26 are shown, but a plurality of deceleration plates may be used, and the deceleration plates are alternately arranged on the side walls of the two sides of the exhaust passage 25.
The embodiment of the utility model relates to an aerobic microorganism suspension filter tank purifying device, which comprises the following implementation principles: the water flow after the primary purification of the previous sewage treatment stage is sent into the biochemical reaction tank 1 by the water inlet pipe 11, the sewage is secondarily purified in the biochemical reaction tank 1, overflows into the water outlet tank 12 from the top, finally the water flow in the water outlet tank 12 is discharged by the water outlet pipe 13, and the air pipe 14 timely exchanges gas with the outside in the sewage purification process, so that the waste gas generated in the biochemical reaction tank 1 is timely discharged.
The problem of low dissolved oxygen caused by poor water fluidity inside the biochemical reaction tank 1 can be solved by increasing the floating time of oxygen bubbles in the sewage, and the dissolved oxygen effect can be further improved by increasing the fluidity of the sewage in a physical stirring manner. The oxygen-containing bubbles discharged by each aerator 22 float upwards in the exhaust channel 25, the oxygen-containing bubbles are abutted against the speed reducing plate 26 in the process of floating upwards and move upwards along the inclined surface of the speed reducing plate 26, and the floating time of the oxygen-containing bubbles is prolonged through the process of moving upwards the inclined surface of the speed reducing plate 26; the rotation shafts 27 in different directions are different in the stirring directions of the water body, the rotation shafts 27 transversely arranged and the stirring blades 271 are stirred due to gravity, and compared with other directions, the rotation shafts 27 have the advantage of irregular stirring, the transverse arrangement causes irregular stirring of the water body due to the damage of gravity to vortex, and the influence of gravity can reduce stirring force so as to reduce the influence of water flow surging on microbial flora.
Because the sewage inevitably contains household garbage, the household garbage is inevitably omitted in the front-end treatment process, and when the household garbage is discharged into the biochemical reaction tank 1 through the water inlet pipe 11, the filter screen 2 filters large solid garbage contained in the sewage into the sewage discharging cavity 21, and the large solid garbage is discharged out of the biochemical reaction tank 1 through the sewage discharging pipe 15; the aerator 22 continuously provides oxygen bubbles to the top end of the biochemical reaction tank 1 on the premise of no large solid garbage so as to increase the oxygen content in the sewage.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides an aerobic microorganism suspension filtering pond purifier, includes biochemical reaction pond (1) and sets up at inside microorganism fungus crowd layer (29) of biochemical reaction pond (1), biochemical reaction pond (1) one side rigid coupling has inside inlet tube (11) of intercommunication biochemical reaction pond (1), its characterized in that:
a plurality of aeration machines (22) are arranged at the bottom of the biochemical reaction tank (1), the aeration machines (22) are distributed at equal intervals along the length direction of the biochemical reaction tank (1), a vertically arranged baffle plate (24) is fixedly connected between each aeration machine (22) corresponding to the biochemical reaction tank (1), and a plurality of exhaust channels (25) are formed between a plurality of adjacent baffle plates (24) and the side wall of the biochemical reaction tank (1);
the bottom of the aerator (22) is provided with aeration pipes (23) communicated with the outside;
every the inside rigid coupling of exhaust passage (25) has a plurality of slope setting's deceleration board (26), and a plurality of deceleration board (26) all alternate distribution in proper order on exhaust passage (25) both sides lateral wall, every deceleration board (26) all upwards distributes towards exhaust passage (25) center slope.
2. The aerobic microorganism suspension filter purifying device according to claim 1, wherein: the biochemical reaction tank (1) is provided with a stirring device at the top end of the exhaust channel (25), and the stirring device is transversely arranged.
3. The aerobic microorganism suspension filter purifying device according to claim 2, wherein: the stirring device comprises a rotating shaft (27) which is rotationally connected to the side wall of the biochemical reaction tank (1), the rotating shaft (27) is axially and horizontally arranged, a plurality of stirring blades (271) are arranged on the rotating shaft (27), a rotating motor is transversely arranged on the outer side of the biochemical reaction tank (1) corresponding to the rotating shaft (27), and the rotating shaft (27) of the rotating motor penetrates through the side wall of the biochemical reaction tank (1) and is fixedly connected with the end part of the rotating shaft (27).
4. An aerobic microbial suspension filter cleaning apparatus according to claim 3, wherein: the plurality of stirring blades (271) are distributed at equal intervals along the axial direction of the rotating shaft (27).
5. The aerobic microorganism suspension filter purifying device according to claim 1, wherein: the bottom of the biochemical reaction tank (1) is fixedly connected with a filter screen (2) which is horizontally arranged, and the aerator (22) and the partition board (24) are arranged on the filter screen (2).
6. The aerobic microorganism suspension filter purifying device according to claim 1, wherein: the biochemical reaction tank (1) is provided with dense hole mesh plates (28) on the top side and the bottom side of a microbial flora layer (29) respectively, the two dense hole mesh plates (28) are horizontally arranged, and the microbial flora layer (29) is arranged between the two dense hole mesh plates (28).
7. The aerobic microorganism suspension filter purifying device according to claim 1, wherein: a water outlet is formed in one side of the top end of the biochemical reaction tank (1), the water outlet is formed above the microbial flora layer (29), and a water outlet tank (12) is fixedly connected to the outer side wall of the biochemical reaction tank (1) corresponding to the water outlet.
8. The aerobic microorganism suspension filter purifying device according to claim 1, wherein: and a vent pipe (14) is arranged at the top end of the biochemical reaction tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321460845.XU CN220056517U (en) | 2023-06-08 | 2023-06-08 | Aerobic microorganism suspension filter tank purifying device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321460845.XU CN220056517U (en) | 2023-06-08 | 2023-06-08 | Aerobic microorganism suspension filter tank purifying device |
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| CN220056517U true CN220056517U (en) | 2023-11-21 |
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| CN202321460845.XU Active CN220056517U (en) | 2023-06-08 | 2023-06-08 | Aerobic microorganism suspension filter tank purifying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118084212A (en) * | 2024-04-09 | 2024-05-28 | 天津大唐国际盘山发电有限责任公司 | Three-dimensional composite base suspension biochemical reactor suitable for thermal power plant |
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2023
- 2023-06-08 CN CN202321460845.XU patent/CN220056517U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118084212A (en) * | 2024-04-09 | 2024-05-28 | 天津大唐国际盘山发电有限责任公司 | Three-dimensional composite base suspension biochemical reactor suitable for thermal power plant |
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