CN213012469U - Oxidation ditch device for treating domestic sewage of villages and towns - Google Patents
Oxidation ditch device for treating domestic sewage of villages and towns Download PDFInfo
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- CN213012469U CN213012469U CN202021478281.9U CN202021478281U CN213012469U CN 213012469 U CN213012469 U CN 213012469U CN 202021478281 U CN202021478281 U CN 202021478281U CN 213012469 U CN213012469 U CN 213012469U
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Abstract
The utility model discloses an oxidation ditch device for treating domestic sewage in villages and towns, which comprises an oxidation ditch tank body, wherein an anaerobic circulation tank, an anoxic circulation tank, an aerobic circulation tank, a high-efficiency inner sedimentation zone and a sludge collection tank which are sequentially communicated are arranged in the oxidation ditch tank body; the oxygen deficiency circulation pond with be equipped with the backward flow flashboard between the good oxygen circulation pond, sedimentation zone, collection mud groove all are located in the high efficiency good oxygen circulation pond, be equipped with cowling panel, swash plate filler in the sedimentation zone in the high efficiency, the swash plate filler is located the cowling panel top, swash plate filler top be equipped with the overflow weir of clean water basin intercommunication, the cowling panel below with the concentrated pond of mud intercommunication sets up anaerobic cycle and oxygen deficiency circulation biological selection pond on traditional oxidation ditch basis, provides the best living environment for each function bacterial, has improved the treatment effect of nitrogen and phosphorus removal.
Description
Technical Field
The utility model relates to the technical field of domestic sewage treatment, in particular to an oxidation ditch device for treating domestic sewage in villages and towns.
Background
The domestic sewage in villages and towns has the characteristics of small daily average treated water amount, large short-time impact load, high dispersion and the like, and the traditional oxidation ditch process is mature, good in treatment effect, stable and reliable. However, the traditional oxidation ditch is only provided with an anoxic zone and an oxygen-enriched zone on the process control, and is not provided with an anaerobic tank and an anoxic tank independently, so that the biological strains can not obtain the optimal living environment, the biological reaction denitrification and dephosphorization effect is poor, and the traditional oxidation ditch process can not meet the actual requirement along with the continuous improvement of the national requirement on the effluent quality. And the traditional oxidation ditch is not provided with a precipitation area, and needs to be provided with a secondary sedimentation tank independently, so that the occupied area is large, and the maintenance difficulty is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oxidation ditch device for villages and towns sewage treatment to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an oxidation ditch device for treating domestic sewage in villages and towns comprises an oxidation ditch tank body, wherein an anaerobic circulation tank, an anoxic circulation tank, an aerobic circulation tank, a high-efficiency inner sedimentation zone and a sludge collection tank which are sequentially communicated are arranged in the oxidation ditch tank body;
the oxygen deficiency circulation tank with be equipped with the backward flow flashboard between the good oxygen circulation tank, sedimentation zone, collection mud groove all are located in the high efficiency good oxygen circulation tank, be equipped with cowling panel, swash plate filler in the sedimentation zone in the high efficiency, the swash plate filler is located the cowling panel top, swash plate filler top be equipped with the overflow weir of clean water basin intercommunication, the cowling panel below with mud concentrated pond intercommunication.
As a further aspect of the present invention: and flow impellers are arranged in the anaerobic circulation tank, the anoxic circulation tank and the aerobic circulation tank and are arranged along the flow direction of sewage.
As a further aspect of the present invention: and arc-shaped guide walls are arranged in the anaerobic circulating tank, the anoxic circulating tank and the aerobic circulating tank.
As a further aspect of the present invention: and a box body for accommodating the oxidation ditch tank body is arranged outside the oxidation ditch tank body.
As a further aspect of the present invention: the upper end of the oxidation ditch tank body is fixedly connected with a dosing device and a control device, and the dosing device and the control device are fixedly connected in the tank body.
As a further aspect of the present invention: the dosing device comprises a sodium hypochlorite dosing device and a phosphorus removal dosing device.
As a further aspect of the present invention: the control device comprises a power distribution cabinet, a touch PLC control cabinet and an automatic control instrument cabinet.
As a further aspect of the present invention: the fairing is herringbone fairing, the fairing below is equipped with the tuber pipe, be provided with the air purge nozzle on the tuber pipe.
As a further aspect of the present invention: and a fan control cabinet for controlling the fan are arranged on one side of the oxidation ditch tank body, and the fan is communicated with the air pipe.
As a further aspect of the present invention: the mud outlet end of the rectifying plate is provided with a slope, the bottom end of the slope is communicated with the mud collecting groove, and the mud collecting groove is communicated with the mud concentration tank through a mud pump.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the anaerobic circulation and anoxic circulation biological selection pool is arranged on the basis of the traditional oxidation ditch, the optimal living environment is provided for various functional strains, the treatment effect of nitrogen and phosphorus removal is improved, and the effluent can reach the first-level A discharge standard GB18918 discharge Standard of pollutants for municipal wastewater treatment plants.
2. This application is provided with high-efficient interior settling zone in the oxidation ditch, does not need to set up two heavy ponds alone, has reduced area and has reduced the operation and maintenance degree of difficulty.
2. The oxidation ditch and the accessory equipment of this application all set up in the box, form the integrated design, integrate the assembly, have shortened processing cycle and have conveniently transported and produce the operation.
Drawings
FIG. 1 is a plan view of the present embodiment;
FIG. 2 is a sectional view of the high efficiency inner precipitation zone of this embodiment.
In the figure: 1-anaerobic circulation tank, 2-arc guide wall, 3-hole, 4-anoxic circulation tank, 5-aerobic circulation tank, 6-high-efficiency inner sedimentation zone, 7-sludge collection tank, 8-reflux flashboard, 9-sludge concentration tank, 10-clean water tank, 11-blower, 12-blower control cabinet, 13-power distribution cabinet, 14-touch PLC control cabinet, 15-automatic control instrument cabinet, 16-sodium hypochlorite dosing device, 17-dephosphorization dosing device, 18-impeller, 19-box body, 20-oxidation ditch tank body, 21-inclined plate filler, 22-rectifying plate, 23-overflow weir, 24-sludge pump, 25-air pipe, 26-air washing nozzle and 27-slope.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, an oxidation ditch device for treating domestic sewage in villages and towns includes an oxidation ditch cell body 20, a box 19 for accommodating the oxidation ditch cell body 20 is provided outside the oxidation ditch cell body 20, an anaerobic circulation tank 1, an anoxic circulation tank 4, an aerobic circulation tank 5, a high-efficiency inner sedimentation zone 6, and a sludge collection tank 7 are provided in the oxidation ditch cell body 20, a clean water tank 10 communicated with the high-efficiency inner sedimentation zone 6 is provided in the oxidation ditch cell body 20, a sludge concentration tank 9 communicated with the sludge collection tank 7, a chemical adding device, a control device, a fan 11, and a fan control cabinet 12 for controlling the fan 11 are provided in the oxidation ditch cell body 20, and the clean water tank 10, the sludge concentration tank 9, the chemical adding device, the control device, the fan 11, and the fan control cabinet 12 are all fixedly connected in the.
The anaerobic circulation tank 1, the anoxic circulation tank 4 and the aerobic circulation tank 5 are all internally provided with flow pushers 18, the flow pushers 18 are arranged along the flow direction of sewage, and further the sewage can be pushed to flow in a required direction through the flow pushers 18, in the embodiment, the sewage sequentially flows through the anaerobic circulation tank 1, the anoxic circulation tank 4 and the aerobic circulation tank 5, and the anaerobic circulation tank 1, the anoxic circulation tank 4 and the aerobic circulation tank 5 are all internally provided with arc-shaped guide walls 2, in the embodiment, the anaerobic circulation tank 1, the anoxic circulation tank 4 and the aerobic circulation tank 5 are all internally provided with two arc-shaped guide walls 2 which are correspondingly arranged, the flow pushers 18 are positioned between the two arc-shaped guide walls 2, so as to form circulation in each treatment tank of the anaerobic circulation tank 1, the anoxic circulation tank 4 and the aerobic circulation tank 5, thereby increasing the treatment time of the sewage and the treatment effect, and a backflow flashboard 8 is arranged between the anoxic circulation tank 4 and the aerobic, the reflux quantity of the aerobic circulation tank 5 to the anoxic circulation tank 4 can be rapidly adjusted by adjusting the opening size of the reflux flashboard 8, the high-efficiency inner sedimentation zone 6 and the sludge collection tank 7 are both positioned in the aerobic circulation tank 5, a rectifying plate 22 and an inclined plate filler 21 are arranged in the high-efficiency inner sedimentation zone 6, the inclined plate filler 21 is positioned above the rectifying plate 22, an overflow weir 23 communicated with the clean water tank 10 is arranged above the inclined plate filler 21, the lower part of the rectifying plate 22 is communicated with the sludge concentration tank 9, the rectifying plate 22 is a herringbone rectifying plate, an air pipe 25 is arranged below the rectifying plate 22, an air washing nozzle 26 is arranged on the air pipe 25, the upper end of the oxidation ditch tank body 20 is provided with a fan 11 communicated with the air pipe 25, a slope 27 is fixedly connected below the sludge outlet end of the rectifying plate 22, the bottom end of the slope 27 is communicated with the sludge collection tank 7, a sludge pump 24 is arranged in the sludge collection tank 7, the sludge collection, further, the sludge in the sludge collection tank 7 can be pumped into the sludge thickener 9 by the sludge pump 24.
The charge device includes sodium hypochlorite charge device 16, dephosphorization charge device 17, and controlling means includes switch board 13, touch PLC switch board 14, autonomous instrument cabinet 15, and in this application technical field, switch board, PLC switch board, autonomous instrument cabinet all have equipment commonly used, belong to the control means commonly used in this application, therefore no longer describe herein.
The utility model discloses when using, sewage gets into anaerobic cycle pond 1, under the effect of impeller 18, is the circulation flow state along arc guiding wall 2 in anaerobic cycle pond 1 for anaerobic flora can fully contact the reaction with sewage, and the sewage after anaerobic flora handles gets into oxygen deficiency circulation pond 4 through hole 3. The sewage is in a circulating flow state in the anoxic circulating tank 4 under the action of the arc-shaped flow guide wall 2, so that denitrifying bacteria groups can be in full contact reaction with the sewage and enter the aerobic circulating tank 5, and meanwhile, the denitrifying bacteria groups are also in a circulating flow state in the aerobic circulating tank 5, so that nitrifying bacteria groups can be in full contact reaction with the sewage. The sewage circulates in the aerobic circulating tank 5, nitrification reaction occurs through nitrifying bacteria groups, and nitrified liquid can flow back to the anoxic circulating tank 4 through the backflow gate plate 8 to perform denitrification reaction, so that the aim of removing nitrogen in the sewage is fulfilled. Meanwhile, the size of the backflow amount can be adjusted by adjusting the opening and closing size of the backflow gate plate 8. Activated sludge in the aerobic circulation tank 5 can be subjected to mud-water separation through the high-efficiency inner sedimentation zone 6, the flow is that the activated sludge enters through the side surface of the high-efficiency inner sedimentation zone 6, is subjected to speed reduction and rectification through the herringbone rectification plate 22, continuously rises through the inclined plate filler 21, supernatant is discharged through the overflow tank, the precipitated sludge enters into the sludge collection tank along with water flow, is pumped into the sludge concentration tank by a sludge pump, and achieves the effect of mud-water separation by utilizing the shallow layer sedimentation principle. Supernatant flows into the clean water tank 10 through the gravity flow of the overflow weir 23, sludge is carried by the water flow after precipitating to the bottom of the tank and enters the sludge collecting groove 7 along with the slope 27, the bottom of the high-efficiency settling zone is provided with a slope, which is beneficial to sludge entering the sludge collecting groove, the sludge collecting groove is arranged at the downstream of the settling zone, the sludge running phenomenon is effectively prevented from occurring in the effluent of the overflow weir, and the effluent is pumped into the sludge concentration tank 9 by the sludge pump 24 for subsequent treatment.
The fan 11 is communicated with the air pipe 25, so that high-pressure gas can be pumped into the air washing nozzle 26 through the fan 11 and the air pipe 25, when the air washing device is used, the fan 11 is started, air flow enters the air washing nozzle 26 through the air pipe 25 and is sprayed out by high-speed air flow to carry out air washing on the inclined plate filler 21 and the herringbone rectifying plate 22, and blocking is prevented.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An oxidation ditch device for treating domestic sewage in villages and towns comprises an oxidation ditch tank body (20) and is characterized in that an anaerobic circulation tank (1), an anoxic circulation tank (4), an aerobic circulation tank (5), a high-efficiency inner sedimentation zone (6) and a sludge collection tank (7) which are sequentially communicated are arranged in the oxidation ditch tank body (20), a clean water tank (10) communicated with the high-efficiency inner sedimentation zone (6) and a sludge concentration tank (9) communicated with the sludge collection tank (7) through a pipeline are arranged in the oxidation ditch tank body (20);
oxygen deficiency circulation pond (4) with be equipped with backward flow flashboard (8) between good oxygen circulation pond (5), sedimentation zone (6), collection mud groove (7) all are located in the high efficiency in good oxygen circulation pond (5), be equipped with cowling panel (22), swash plate filler (21) in sedimentation zone (6) in the high efficiency, swash plate filler (21) are located cowling panel (22) top, swash plate filler (21) top be equipped with overflow weir (23) of clean water basin (10) intercommunication, the play mud end of cowling panel (22) with mud concentrated pond (9) intercommunication.
2. The oxidation ditch device for the treatment of the domestic sewage of the villages and the towns according to claim 1, wherein the anaerobic circulation tank (1), the anoxic circulation tank (4) and the aerobic circulation tank (5) are all provided with flow pushers (18), and the flow pushers (18) are arranged along the flow direction of the sewage.
3. The oxidation ditch device for the treatment of the domestic sewage of the villages and the towns according to claim 1, wherein the anaerobic circulation tank (1), the anoxic circulation tank (4) and the aerobic circulation tank (5) are all internally provided with arc-shaped guide walls (2).
4. The oxidation ditch device for the treatment of the domestic sewage of the villages and the towns according to claim 1, characterized in that a box body (19) for accommodating the oxidation ditch tank body (20) is arranged outside the oxidation ditch tank body (20).
5. The oxidation ditch device for the treatment of the domestic sewage of the villages and the towns as claimed in claim 4, wherein a dosing device and a control device are fixedly connected to one side of the oxidation ditch tank body (20), and both the dosing device and the control device are fixedly connected in the tank body (19).
6. The oxidation ditch device for the treatment of the domestic sewage of the villages and the towns according to claim 5, wherein the medicine adding device comprises a sodium hypochlorite medicine adding device (16) and a phosphorus removal medicine adding device (17).
7. The oxidation ditch device for the treatment of the domestic sewage in the villages and the towns according to claim 5, characterized in that the control device comprises a power distribution cabinet (13), a touch PLC control cabinet (14) and an automatic control instrument cabinet (15).
8. The oxidation ditch device for treating the domestic sewage of the villages and the towns according to claim 1, wherein the rectifying plate (22) is a herringbone rectifying plate, an air pipe (25) is arranged below the rectifying plate (22), and an air washing nozzle (26) is arranged on the air pipe (25).
9. The oxidation ditch device for the treatment of the domestic sewage in the villages and the towns according to claim 8, characterized in that a fan (11) and a fan control cabinet (12) for controlling the fan (11) are arranged on one side of the oxidation ditch tank body (20), and the fan (11) is communicated with the air pipe (25).
10. The oxidation ditch device for the treatment of the domestic sewage in the villages and the towns as claimed in claim 1, wherein a slope (27) is arranged below the mud outlet end of the rectifying plate (22), the bottom end of the slope (27) is communicated with the mud collecting tank (7), and the mud collecting tank (7) is communicated with the mud concentrating tank (9) through a mud pump (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021478281.9U CN213012469U (en) | 2020-07-23 | 2020-07-23 | Oxidation ditch device for treating domestic sewage of villages and towns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021478281.9U CN213012469U (en) | 2020-07-23 | 2020-07-23 | Oxidation ditch device for treating domestic sewage of villages and towns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213012469U true CN213012469U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021478281.9U Active CN213012469U (en) | 2020-07-23 | 2020-07-23 | Oxidation ditch device for treating domestic sewage of villages and towns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213012469U (en) |
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2020
- 2020-07-23 CN CN202021478281.9U patent/CN213012469U/en active Active
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