CN213506452U

CN213506452U - A2O technology sewage treatment plant

Info

Publication number: CN213506452U
Application number: CN202022073391.3U
Authority: CN
Inventors: 钟宏贞; 陈少红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-22
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a sewage treatment device of A2O process in the technical field of sewage treatment, which comprises a grit chamber, an integrated tank, an aerobic tank, a secondary sedimentation tank, a reaction filtering tank, a disinfection tank and the like, the utility model has the advantages of beautiful design and layout, clear and simple flow and reasonable structure, through aeration, biochemical degradation by adding drugs, filtration and disinfection treatment, sludge can be better separated and impurities can be removed, the sewage treatment is improved from the process flow, the sewage treatment effect is improved, through the primary filtering device and the biological reaction tank, the medicine is added and the stirring is carried out by a motor, the reaction is more thorough, meanwhile, most of organic matters which are difficult to degrade are removed, the biodegradability of the sewage is improved, the substances which are difficult to degrade in the sewage are effectively removed through a secondary filtering device and a water quality monitoring device, and the sewage removal effect is detected, the standard operation of qualified detection and discharge is realized, and the stable and controllable quality of the sewage treatment process is ensured.

Description

A2O technology sewage treatment plant

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a A2O process sewage treatment device.

Background

Along with the acceleration of social industry pace to adapt to economic quick development, the industrial waste water and the sewage of discharging of various industrial and mining enterprises are also more and more, have brought huge impact and pressure for municipal sewage treatment, and especially the country is also more and more paid attention to environmental protection, consequently, need to improve sewage treatment's quality of water through setting up reasonable sewage treatment process urgently, and then reach the requirement and discharge.

The current sewage treatment forms a common treatment method after long-term practice: (1) the biodegradable performance is improved by adding easily degradable organic matters such as glucose into the sewage; (2) before the sewage enters the biological reaction tank, the biochemical degradation performance is improved through processes of hydrolytic acidification, ozone introduction and the like. However, the hydrolysis acidification tank treatment cannot play a proper role and sometimes even has a negative effect on subsequent treatment, and therefore, a sewage treatment device of the A2O process is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a A2O technology sewage treatment plant to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides A2O technology sewage treatment plant, including the grit chamber, integration pond and reaction filtering ponds, the last side wall pipeline of grit chamber is connected with just sedimentation tank, just the last side wall pipeline of sedimentation tank is connected with the equalizing basin, the right-hand fixed integration pond that is provided with of equalizing basin, the right-hand fixed good oxygen pond that is provided with of integration pond, the right-hand fixed second grade sedimentation tank that is provided with of good oxygen pond, the right-hand fixed reaction filtering ponds that is provided with of second grade sedimentation tank, the right-hand fixed water quality monitoring device and the three-way valve that are provided with of reaction filtering ponds, the right-hand fixed disinfection pond that is provided with of three-way valve, the last side wall.

Preferably, the upper side wall pipeline of the primary sedimentation tank is connected with an inlet of a primary pump, an outlet pipeline of the primary pump is connected with a regulating tank, and the lower side wall pipeline of the primary sedimentation tank is connected with an outlet of a secondary pump.

Preferably, the lower side wall pipeline of the adjusting tank is connected with an air blower, an aeration pipe and a spray nozzle are fixedly arranged in the inner cavity of the adjusting tank, the lower side wall flange of the adjusting tank is connected with a primary return pipeline, and the primary return pipeline is connected with an inlet of a primary pump.

Preferably, the fixed one-level filter equipment that is provided with in inner chamber bottom in integration pond, the fixed biochemical reaction pond that is provided with of inner chamber left side wall in integration pond, the fixed one-level of being provided with in inner chamber top in integration pond adds medicine mouth and agitator motor, the fixed anaerobism pond that is provided with of lateral wall on the inner chamber in integration pond, the fixed oxygen deficiency pond that is provided with of lateral wall under the inner chamber in integration pond.

Preferably, the lower side wall pipeline of the aerobic tank is connected with a second-stage return pipeline, the second-stage return pipeline is connected with an integrated tank, a flange above the aerobic tank is connected with an inlet of a third-stage pump, and an outlet pipeline of the third-stage pump is connected with a second-stage sedimentation tank.

Preferably, the bottom flange of the secondary sedimentation tank is connected with a third-stage return pipeline, and the upper end flange of the secondary sedimentation tank is connected with a fourth-stage return pipeline.

Preferably, the inner cavity of the reaction filtering tank is fixedly provided with a secondary filtering device.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an arrange pleasing to the eye, the flow is clear succinct, and is rational in infrastructure, through grit chamber and preliminary sedimentation tank, heavy component impurity such as mud that can the former sewage of effectual processing, through one-level filter equipment, the biological reaction pond, add medicine and use the motor stirring, the reaction is more thorough, detach most difficult degradation's organic matter simultaneously, the biodegradability of sewage has been improved, through second grade filter equipment and water quality monitoring device, effectual difficult degradation material that removes in the sewage, and detect except that the sewage effect, realize detecting qualified normal operation of discharging again, guarantee the steady quality and the controllable of sewage treatment's process.

Drawings

FIG. 1 is a schematic view of the overall structure of an A2O process sewage treatment plant of the present invention;

FIG. 2 is a schematic view of a regulating tank structure of an A2O process sewage treatment plant of the present invention;

FIG. 3 is a simplified structural diagram of an integrated tank of the A2O sewage treatment plant of the present invention;

FIG. 4 is a schematic view of a reaction filtering tank of the A2O sewage treatment plant of the present invention.

In the figure: 1. a grit chamber; 2. a primary sedimentation tank; 3. a regulating tank; 4. an integrated pool; 5. a biochemical reaction tank; 6. an anaerobic tank; 7. an anoxic tank; 8. an aerobic tank; 9. a secondary sedimentation tank; 10. a reaction filtering tank; 11. a water quality monitoring device; 12. a disinfection tank; 13. a primary pump; 14. a blower; 15. an aeration pipe; 16. a spray head; 17. a primary return line; 18. a secondary pump; 19. a primary filtration device; 20. a first-stage medicine adding port; 21. a stirring motor; 22. a secondary return line; 23. a tertiary pump; 24. a second-stage medicine adding port; 25. a secondary filtration device; 26. a three-way valve; 27. a third-stage medicine adding port; 28. a tertiary return line; 29. a fourth stage return line; 30. and (7) a water outlet.

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.

The utility model provides a A2O process sewage treatment device as shown in figures 1-4, which comprises a grit chamber 1, an integrated chamber 4 and a reaction filtering chamber 10, wherein the upper side wall pipeline of the grit chamber 1 is connected with a primary sedimentation chamber 2, the upper side wall pipeline of the primary sedimentation chamber 2 is connected with an adjusting chamber 3, the right side of the adjusting chamber 3 is fixedly provided with the integrated chamber 4, the right side of the integrated chamber 4 is fixedly provided with an aerobic chamber 8, the right side of the aerobic chamber 8 is fixedly provided with a secondary sedimentation chamber 9, the right side of the secondary sedimentation chamber 9 is fixedly provided with the reaction filtering chamber 10, the right side of the reaction filtering chamber 10 is fixedly provided with a water quality monitoring device 11 and a three-way valve 26, the right side of the three-way valve 26 is fixedly provided with a disinfection chamber 12, the upper side wall of the disinfection chamber 12 is fixedly provided with a water outlet 30, the biological reaction chamber passes through a filtering device, the, the biodegradability of sewage is improved, the secondary filtering device and the water quality monitoring device are carried out simultaneously, difficultly-degradable substances in sewage are effectively removed, and the sewage treatment quality is guaranteed.

The upper side wall pipeline of the primary sedimentation tank 2 is connected with an inlet of a primary pump 13, an outlet pipeline of the primary pump 13 is connected with an adjusting tank 3, the lower side wall pipeline of the primary sedimentation tank 2 is connected with an outlet of a secondary pump 18, and components such as sludge which is difficult to degrade are effectively treated through sedimentation treatment of the primary sedimentation tank 2;

the lower side wall pipeline of the adjusting tank 3 is connected with an air blower 14, an inner cavity of the adjusting tank 3 is fixedly provided with an aeration pipe 15 and a spray head 16, the lower side wall flange of the adjusting tank 3 is connected with a primary return pipeline 17, the primary return pipeline 17 is connected with an inlet of a secondary pump 18 through a pipeline, and the subsequent treatment pressure is reduced through the treatment of the adjusting tank 3;

a primary filtering device 19 is fixedly arranged at the bottom of an inner cavity of the integrated pool 4, a biochemical reaction pool 5 is fixedly arranged on the left side wall of the inner cavity of the integrated pool 4, a primary dosing port 20 and a stirring motor 21 are fixedly arranged at the top of the inner cavity of the integrated pool 4, an anaerobic pool 6 is fixedly arranged on the upper side wall of the inner cavity of the integrated pool 4, an anoxic pool 7 is fixedly arranged on the lower side wall of the inner cavity of the integrated pool 4, and organic matters which are difficult to degrade are treated by biochemical reaction and stirring treatment;

the pipeline of the lower side wall of the aerobic tank 8 is connected with a secondary return pipeline 22, the pipeline of the secondary return pipeline 22 is connected with the integrated tank 4, the flange above the aerobic tank 8 is connected with the inlet of a tertiary pump 23, the outlet pipeline of the tertiary pump 23 is connected with a secondary sedimentation tank 9, and the sewage treatment effect is further improved through circulating treatment;

the bottom of the secondary sedimentation tank 9 is connected with a third-stage return pipeline 28 through a flange, the upper end of the secondary sedimentation tank 9 is connected with a fourth-stage return pipeline 29 through a flange, and if the water quality monitoring treatment effect is not good, circulating return treatment is carried out;

the inner cavity of the reaction filtering pool 10 is fixedly provided with a secondary filtering device 25, the water quality monitoring device 11 is used for sampling and detecting, and the discharge requirement after the treatment reaches the standard is realized, so that the discharge standard after the sewage treatment is ensured to be reached.

The working principle is as follows: industrial wastewater or sewage passes through a grit chamber 1 and a primary sedimentation tank 2 for primary sedimentation treatment, is pumped into a regulating tank 3 for treatment by a primary pump 13, is aerated by an air blower 14 through an aeration pipe 15 and is aerated by a spray nozzle 16, is subjected to sampling detection analysis on the regulating tank 3, is pumped into the primary sedimentation tank 2 for circular aeration treatment by a secondary pump 18 through a primary return pipeline 17 if the treatment effect is not good, is subjected to filtration treatment by a primary filtration device 19 of an integrated tank 4, enters a biochemical reaction tank 5 after being filtered, is added with medicine at a primary medicine adding port 20 and is stirred by a stirring motor 21, sequentially enters an anaerobic tank 6, an anoxic tank 7 and an aerobic tank 8 for treatment after treatment, is subjected to sampling detection analysis on the aerobic tank 8 at the same time, enters the integrated tank 4 for circular treatment through a secondary return pipeline 22 if the treatment effect is not good, is pumped into a secondary sedimentation tank 9 through a tertiary pump 23, and carry out the sample detection analysis to second grade heavy pond 9, if the treatment effect is not good then throw into equalizing basin 3 through tertiary return line 28 and carry out the circulation treatment, reentry reaction filtering ponds 10, add medicine at second grade dosing mouth 24 and handle and then get into second grade filter equipment 25, carry out the detection and analysis through water quality monitoring device 11, pass through three-way valve 26 again, if the treatment effect is not good then get into second grade heavy pond 9 through level four return line 29 and carry out the circulation treatment, get into disinfection pond 12 and add medicine disinfection treatment at tertiary dosing mouth, sample once more and detect sewage quality, the water after the process is discharged through delivery port 30 again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a A2O technology sewage treatment plant, includes grit chamber (1), integration pond (4) and reaction filtering ponds (10), its characterized in that: the utility model discloses a sand basin, including grit chamber (1), upper side wall pipe connection have just sedimentation tank (2), the upper side wall pipe connection of just sedimentation tank (2) has equalizing basin (3), the right-hand fixed integration pond (4) that is provided with of equalizing basin (3), the right-hand fixed good oxygen pond (8) that is provided with of integration pond (4), the right-hand fixed second grade sedimentation tank (9) that is provided with of good oxygen pond (8), the right-hand fixed reaction filtering ponds (10) that is provided with of second grade sedimentation tank (9), the right-hand fixed water quality monitoring device (11) and three-way valve (26) that are provided with of reaction filtering ponds (10), the right-hand fixed disinfection pond (12) that is provided with of three-way valve (26), the fixed delivery port (30) that is provided with of the upper side wall of.

2. The A2O process sewage treatment plant of claim 1, wherein: the side wall pipeline that goes up of preliminary sedimentation tank (2) is connected with the import of one-level pump (13), the exit tube coupling of one-level pump (13) has equalizing basin (3), the side wall pipeline that goes down of preliminary sedimentation tank (2) is connected with the export of second grade pump (18).

3. The A2O process sewage treatment plant of claim 1, wherein: the lower side wall pipeline of equalizing basin (3) is connected with air-blower (14), the fixed aeration pipe (15) and shower nozzle (16) that are provided with of inner chamber of equalizing basin (3), the lower side wall flange of equalizing basin (3) is connected with one-level return line (17), one-level return line (17) pipe connection has the import of second grade pump (18).

4. The A2O process sewage treatment plant of claim 1, wherein: the fixed one-level filter equipment (19) that is provided with in inner chamber bottom in integration pond (4), the fixed biochemical reaction pond (5) that is provided with of inner chamber left side wall in integration pond (4), the fixed one-level that is provided with in inner chamber top in integration pond (4) adds medicine mouth (20) and agitator motor (21), the fixed anaerobism pond (6) that is provided with of lateral wall on the inner chamber in integration pond (4), the fixed oxygen deficiency pond (7) that is provided with of lateral wall under the inner chamber in integration pond (4).

5. The A2O process sewage treatment plant of claim 1, wherein: the side wall pipe connection of the downside of good oxygen pond (8) has second grade return line (22), second grade return line (22) pipe connection has integration pond (4), the top flange joint of good oxygen pond (8) has the import of tertiary pump (23), the export pipe connection of tertiary pump (23) has the heavy pond of second grade (9).

6. The A2O process sewage treatment plant of claim 1, wherein: the bottom flange of the secondary sedimentation tank (9) is connected with a tertiary reflux pipeline (28), and the upper end flange of the secondary sedimentation tank (9) is connected with a quaternary reflux pipeline (29).

7. The A2O process sewage treatment plant of claim 1, wherein: and a secondary filtering device (25) is fixedly arranged in the inner cavity of the reaction filtering tank (10).