CN211004994U - Small-size high concentration organic waste water integration sewage treatment plant - Google Patents
Small-size high concentration organic waste water integration sewage treatment plant Download PDFInfo
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- CN211004994U CN211004994U CN201921723720.5U CN201921723720U CN211004994U CN 211004994 U CN211004994 U CN 211004994U CN 201921723720 U CN201921723720 U CN 201921723720U CN 211004994 U CN211004994 U CN 211004994U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 239000010865 sewage Substances 0.000 title claims abstract description 28
- 230000010354 integration Effects 0.000 title abstract description 4
- 239000010815 organic waste Substances 0.000 title abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 17
- 239000010802 sludge Substances 0.000 claims description 25
- 239000012528 membrane Substances 0.000 claims description 21
- 239000002351 wastewater Substances 0.000 claims description 13
- 238000005273 aeration Methods 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 10
- 230000001954 sterilising effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 206010021143 Hypoxia Diseases 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000037452 priming Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000001546 nitrifying effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
- 239000002349 well water Substances 0.000 description 2
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model relates to a sewage treatment device technical field discloses a small-size high concentration organic waste water integration sewage treatment plant, including one-level upflow anaerobic reactor, second grade upflow anaerobic reactor, one-level oxygen deficiency groove, second grade oxygen deficiency groove, upflow anaerobic tank, good oxygen groove, ultraviolet ray disinfection groove and clear water groove. The utility model discloses simple structure, small, operation are stable, design investment and running cost are low, are particularly suitable for being applied to small-size enterprise.
Description
Technical Field
The utility model relates to a sewage treatment device technical field, concretely relates to small-size high concentration organic waste water integration sewage treatment plant.
Background
The anaerobic bioreactor is mainly used for treating high-concentration organic wastewater and has the advantages of small volume, high volume load, low energy consumption and the like. The anaerobic reactor needs a constant ascending flow rate, and the operation requirement of the anaerobic reactor is met by water pump circulation or constant water inlet flow.
The anaerobic tank generally refers to a biochemical system with dissolved oxygen controlled below 0.2 mg/L, and is generally stirred by a stirrer to achieve the purpose of phosphorus release of phosphorus-accumulating bacteria, and has the defects of large investment, high energy consumption, high failure rate and the like.
The anoxic pond generally refers to a biochemical system with dissolved oxygen controlled between 0.2 and 0.5mg/l, and the aim of denitrification is fulfilled by stirring with a stirrer, but the stirrer has the defects of high investment cost, more power consumption, high failure rate and the like, and meanwhile, the later-period operation cost is high.
The aerobic Membrane Biological Reaction (MBR) technology is a combination of membrane separation technology and biological treatment technology. The MBR membrane reactor mainly utilizes an MBR membrane module to maintain the concentration of high-activity sludge and reduce the sludge amount in a bioreactor. Compared with the traditional biochemical water treatment technology, MBR has the following main characteristics: the treatment efficiency is high, and the effluent quality is good; the sludge is not afraid of expansion; the equipment is compact and the occupied area is small; automatic control is easy to realize, and operation management is simple.
At present, dispersed high-concentration organic wastewater (such as small slaughter houses, small food processing plants and the like) has large treatment requirements, but small enterprises generally do not need to invest large capital and set special persons for supervision because the water volume is small (1-10 water in each day), so that the stable standard of the effluent cannot be guaranteed by common integrated equipment.
For the anaerobic reactor with small water volume, the constant water inlet flow can not be ensured generally, so that the anaerobic reactor can not normally run. In general, some designs add circulating water pumps to meet the constant upward flow rate problem, but the investment cost of such designs is increased.
The sludge discharge problem in biochemical sewage treatment is also important, under the general condition, the integrated sewage treatment equipment needs to discharge sludge regularly, generally not more than one week, and if sludge is not discharged for a long time, the sludge quantity of the whole biochemical system is large, so that the normal operation of the biochemical treatment system is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a small-sized high-concentration organic wastewater integrated sewage treatment device with simple structure and low operation cost, which solves the defects of the prior art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a small-sized integrated sewage treatment device for high-concentration organic wastewater comprises a primary upflow anaerobic reactor, a secondary upflow anaerobic reactor, a primary anoxic tank, a secondary anoxic tank, an upflow anaerobic tank, an aerobic tank, an ultraviolet disinfection tank and a clear water tank.
The bottoms of the primary upflow anaerobic reactor, the secondary upflow anaerobic reactor, the primary anoxic tank, the secondary anoxic tank and the upflow anaerobic tank are provided with guide cones; a first water inlet pipe fixed with the side wall of the upper end of the first-stage upflow anaerobic reactor is arranged in the first-stage upflow anaerobic reactor; a second water inlet pipe communicated with the first-stage upflow anaerobic reactor is arranged in the second-stage upflow anaerobic reactor; a third water inlet pipe communicated with the second-stage upflow anaerobic reactor is arranged in the first-stage anoxic tank; a fourth water inlet pipe communicated with the primary anoxic tank is arranged in the secondary anoxic tank; a fifth water inlet pipe communicated with the second-stage anoxic tank is arranged in the upflow anaerobic tank; the lower ends of the first water inlet pipe, the second water inlet pipe, the third water inlet pipe, the fourth water inlet pipe and the fifth water inlet pipe are all positioned above the corresponding diversion cones; the upflow anaerobic tank is provided with a water outlet, and sewage in the upflow anaerobic tank flows into the aerobic tank through the water outlet.
The first water inlet pipe is connected with a raw water inlet pipe, and a water inlet electromagnetic valve, a manual regulating valve, a water inlet self-sucking pump and a flowmeter are sequentially arranged on the raw water inlet pipe; a third return pipe is arranged at the top of the second-stage upflow anaerobic reactor and is connected to a raw water inlet pipe between the water inlet electromagnetic valve and the manual regulating valve; the third return pipe is provided with a first electromagnetic valve.
A first reflux pipe is arranged between the primary upflow anaerobic reactor and the upflow anaerobic tank; a second return pipe is arranged between the aerobic tank and the first-stage anoxic tank; and air stripping pumps are arranged in the first return pipe and the second return pipe.
An aeration disc and an MBR (membrane biological reactor) membrane component are arranged in the aerobic tank, and an ultraviolet sterilizing lamp is arranged in the ultraviolet sterilizing tank; a suction pump, a back flushing pump and a fan are arranged outside the aerobic tank; the suction pump is respectively connected with the MBR membrane module and the ultraviolet disinfection tank through pipelines, the backflushing pump is respectively connected with the MBR membrane module and the clear water tank through pipelines, a second electromagnetic valve and a third electromagnetic valve are respectively arranged on the pipelines of the suction pump and the backflushing pump, and an electric contact pressure gauge is also arranged on the pipeline of the suction pump; the fan supplies air to the aeration disc, and is also connected with the first return pipe and the second return pipe through the air supply pipe; and air supply pipe electromagnetic valves are arranged on the air supply pipes between the fan and the first return pipe and between the fan and the second return pipe.
The ultraviolet disinfection tank is arranged above the clear water tank, and the bottom of the ultraviolet disinfection tank is provided with a drainage port communicated with the clear water tank. A water outlet pipe is arranged in the clear water tank.
Furthermore, the heights of the upper ends of the first water inlet pipe, the second water inlet pipe, the third water inlet pipe, the fourth water inlet pipe and the fifth water inlet pipe are sequentially reduced.
Furthermore, the diversion cone is conical, and the cone tip is upward.
Furthermore, the height of the water outlet hole is the same as that of the upper end of the fifth water inlet pipe.
Furthermore, the first reflux pipe refluxes the sludge at the bottom of the upflow anaerobic tank to the first-stage upflow anaerobic reactor.
Further, the second return pipe returns the nitrifying liquid in the aerobic tank to the first-stage anoxic tank.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses well water self priming pump realizes upflow anaerobic reactor's invariable upwelling velocity through the solenoid valve automatic control that intakes, reaches upflow anaerobic reactor's operation demand. The number of anaerobic circulating water pumps is reduced, and the investment cost is reduced.
2. The utility model discloses well upflow anaerobic reactor can keep very high sludge concentration to improve the anaerobic treatment ability of waste water.
3. The utility model discloses well oxygen deficiency groove can keep very high mud concentration, improves the denitrification ability, can store very big partly excess sludge simultaneously to reach the long-time mesh that need not arrange mud. The upflow anaerobic tank is provided with a sludge reflux pipe leading to the primary upflow anaerobic reactor, and can further utilize the upflow anaerobic reactor to carry out sludge nitration reaction, thereby reducing the sludge yield. The utility model discloses realize that a quarterly is mud once of arranging even half a year, greatly reduced the mud treatment cost.
4. The utility model discloses well mud backward flow adopts the air lift technique with nitrifying liquid backward flow, and is compared with traditional backward flow mode, has practiced thrift the backwash pump, has reduced the investment, has saved later stage running cost, has reduced later maintenance, equipment easy operation.
5. By adopting an aerobic MBR membrane treatment process, complete separation of HRT and STR is realized, and the effluent quality is good and stable; thorough decomposition of organic matters and low sludge yield.
6. The utility model discloses simple structure, small, operation are stable, design investment cost is low, are particularly suitable for being applied to small-size enterprise.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a plan view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken at C-C of FIG. 1;
fig. 5 is a schematic view of the process of the present invention.
The reference numerals are explained below:
in the figure: 1. a primary upflow anaerobic reactor; 2. a secondary upflow anaerobic reactor; 3. a first-stage anoxic tank; 4. a secondary anoxic tank; 5. an upflow anaerobic tank; 6. an aerobic tank; 7. an ultraviolet ray sterilizing tank; 8. a clear water tank; 9. a flow guiding cone; 10. a first return pipe; 11. a water outlet hole; 12. a second return pipe; 13. an aeration disc connecting pipe; 14. an aeration disc; 15. an MBR membrane module; 16. a fan; 17. an ultraviolet sterilizing lamp; 18. a water intake self-priming pump; 19. a flow meter; 20. a suction pump; 21. a back flushing pump; 22. a gas supply pipe; 23. a first water inlet pipe; 24. a second water inlet pipe; 25. a third water inlet pipe; 26. a fourth water inlet pipe; 27. a fifth water inlet pipe; 28. a third return conduit; 29. an electric contact pressure gauge; 30. a third electromagnetic valve; 31. a second solenoid valve; 32. a raw water inlet pipe; 33. a manual regulating valve; 34. a water inlet electromagnetic valve; 35. a first solenoid valve; 36. an air supply pipe solenoid valve; 37. and (5) discharging a water pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides a small-size high concentration organic wastewater integrated sewage treatment plant, which comprises a first-stage upflow anaerobic reactor 1, a second-stage upflow anaerobic reactor 2, a first-stage anoxic tank 3, a second-stage anoxic tank 4, an upflow anaerobic tank 5, an aerobic tank 6, an ultraviolet disinfection tank 7 and a clear water tank 8.
The bottoms of the primary upflow anaerobic reactor 1, the secondary upflow anaerobic reactor 2, the primary anoxic tank 3, the secondary anoxic tank 4 and the upflow anaerobic tank 5 are all provided with a flow guide cone 9; a first water inlet pipe 23 fixed with the side wall of the upper end of the first-stage upflow anaerobic reactor 1 is arranged in the first-stage upflow anaerobic reactor; a second water inlet pipe 24 communicated with the first-stage upflow anaerobic reactor 1 is arranged in the second-stage upflow anaerobic reactor 2; a third water inlet pipe 25 communicated with the second-stage upflow anaerobic reactor 2 is arranged in the first-stage anoxic tank 3; a fourth water inlet pipe 26 communicated with the first-stage anoxic groove 3 is arranged in the second-stage anoxic groove 4; a fifth water inlet pipe 27 communicated with the second-stage anoxic tank 4 is arranged in the upflow anaerobic tank 5; the lower ends of the first water inlet pipe 23, the second water inlet pipe 24, the third water inlet pipe 25, the fourth water inlet pipe 26 and the fifth water inlet pipe 27 are all positioned above the corresponding diversion cone 9; the upflow anaerobic tank 5 is provided with a water outlet hole 11, and sewage in the upflow anaerobic tank 5 flows into the aerobic tank 6 through the water outlet hole 11.
The first water inlet pipe 23 is connected with a raw water inlet pipe 32, and a water inlet electromagnetic valve 34, a manual regulating valve 33, a water inlet self-sucking pump 18 and a flow meter 19 are sequentially arranged on the raw water inlet pipe 32; the top of the second-stage upflow anaerobic reactor 2 is provided with a third return pipe 28, and the third return pipe 28 is connected to a raw water inlet pipe 32 between a water inlet electromagnetic valve 34 and a manual regulating valve 33; the third return pipe 28 is provided with a first solenoid valve 35.
A first reflux pipe 10 is arranged between the primary upflow anaerobic reactor 1 and the upflow anaerobic tank 5; a second return pipe 12 is arranged between the aerobic tank 6 and the first-stage anoxic tank 3; and air stripping pumps are arranged in the first return pipe 10 and the second return pipe 12, and the air stripping pumps are used for refluxing the sludge at the bottom of the upflow anaerobic tank 5 to the first-stage upflow anaerobic reactor 1 or refluxing the nitrified liquid in the aerobic tank 6 to the first-stage anoxic tank 3.
An aeration disc 14 and an MBR (membrane biological reactor) membrane assembly 15 are arranged in the aerobic tank 6, and an ultraviolet sterilizing lamp 17 is arranged in the ultraviolet sterilizing tank 7; the number of the aeration discs 14 is four, and the four aeration discs are connected through aeration disc connecting pipes 13; a suction pump 20, a recoil pump 21 and a fan 16 are arranged outside the aerobic tank 6; the suction pump 20 is respectively connected with the MBR membrane module 15 and the ultraviolet disinfection tank 7 through pipelines, the backflushing pump 21 is respectively connected with the MBR membrane module 15 and the clear water tank 8 through pipelines, the pipelines of the suction pump 20 and the backflushing pump 21 are respectively provided with a second electromagnetic valve 31 and a third electromagnetic valve 30, and the pipeline of the suction pump 20 is also provided with an electric contact pressure gauge 29; the fan 16 is connected with the aeration disc connecting pipe 13 through an air supply pipe 22 to supply air to the aeration disc 14, and the fan 16 is also connected with the first return pipe 10 and the second return pipe 12 through the air supply pipe 22; an air supply pipe electromagnetic valve 36 is arranged on the air supply pipe 22 between the fan 16 and the first return pipe 10 and the second return pipe 12.
The ultraviolet disinfection tank 7 is arranged above the clear water tank 8, the bottom of the ultraviolet disinfection tank 7 is provided with a drainage port communicated with the clear water tank 8, and water after disinfection can automatically flow into the clear water tank 8 from the drainage port. A water outlet pipe 37 for discharging the treated water is provided in the clean water tank 8.
The utility model discloses in, the height of first inlet tube 23, second inlet tube 24, third inlet tube 25, fourth inlet tube 26, fifth inlet tube 27 upper end reduces in proper order, apopore 11 is the same with the upper end height of fifth inlet tube 27, and sewage can flow through one-level upflow anaerobic reactor 1, second grade upflow anaerobic reactor 2, one-level oxygen deficiency groove 3, second grade oxygen deficiency groove 4, upflow anaerobic tank 5, good oxygen groove 6 in proper order, realizes the processing of sewage.
The utility model discloses in, water conservancy diversion cone 9 is the toper, and the awl point up, flows to water conservancy diversion cone 9 top from the sewage that the inlet tube flows, and sewage flows along the conical surface of water conservancy diversion cone 9. The method replaces the traditional stirring mode of a stirrer, realizes the purposes of phosphorus release of the polyphosphate bacteria in the upflow anaerobic tank 5 and denitrification in the anoxic tank, has small investment, can reduce energy consumption and ensures the sewage treatment effect.
In the utility model, the first return pipe 10 returns the sludge at the bottom of the upflow anaerobic tank 5 to the primary upflow anaerobic reactor 1, and the second return pipe 12 returns the nitrified liquid in the aerobic tank 6 to the primary anoxic tank 3; when the first electromagnetic valve 35 is opened, the sewage in the second-stage upflow anaerobic reactor 2 can flow back to the bottom of the first-stage upflow anaerobic reactor 1 through the third return pipe 28.
The utility model discloses in still be provided with fan 16, intake self priming pump 18, suction pump 20, recoil pump 21 and each solenoid valve electric connection's automatically controlled cabinet, automatically controlled cabinet automatic control equipment's operation.
The utility model discloses when concrete implementation, the self priming pump of intaking 18 pours untreated sewage into one-level upflow anaerobic reactor 1 into through raw water inlet pipe 32, sewage is successively through one-level upflow anaerobic reactor 1, second grade upflow anaerobic reactor 2, one-level oxygen deficiency groove 3, second grade oxygen deficiency groove 4, upflow anaerobic tank 5, good oxygen groove 6 handles, the water pump that following suction pump 20 will be good in oxygen groove 6 after MBR membrane module 15 filters is sent to ultraviolet ray disinfection groove 7, ultraviolet ray sterilamp 17 is to the water sterilization treatment in the ultraviolet ray disinfection groove 7, water after the final processing is from flowing into clear water groove 8, discharge or supply recoil pump 21 retrieval and utilization from outlet pipe 37. An electric contact pressure gauge 29 is installed on a pipeline of the suction pump 20, when suction negative pressure reaches a certain pressure, the electric contact pressure gauge 29 is switched on, the suction pump 20 is closed, the backflushing pump 21 is started to realize backflushing of the MBR membrane module 15, and the backflushing pump 21 automatically stops after working for a certain time.
The utility model discloses well water self priming pump 18 realizes upflow anaerobic reactor's invariable rising velocity through the solenoid valve 34 automatic control that intakes, reaches upflow anaerobic reactor's operation demand. The number of anaerobic circulating water pumps is reduced, and the investment cost is reduced. The upflow anaerobic reactor can keep high sludge concentration, thereby improving the anaerobic treatment capacity of the waste water. The anoxic tank can keep high sludge concentration, improve denitrification capability and store a large part of residual sludge, thereby achieving the purpose of no sludge discharge for a long time. The upflow anaerobic tank 5 is designed into a sludge return pipe (a first return pipe 10) leading to the first-stage upflow anaerobic reactor 1, and can further utilize the upflow anaerobic reactor to carry out sludge nitration reaction, thereby reducing the sludge yield. The utility model discloses realize that a quarterly is mud once of arranging even half a year, greatly reduced the mud treatment cost.
The utility model discloses well mud backward flow adopts the air lift technique with nitrifying liquid backward flow, and is compared with traditional backward flow mode, has practiced thrift the backwash pump, has reduced the investment, has saved later stage running cost, has reduced later maintenance, equipment easy operation. By adopting an aerobic MBR membrane treatment process, complete separation of HRT and STR is realized, and the effluent quality is good and stable; thorough decomposition of organic matters and low sludge yield. The utility model discloses simple structure, small, operation are stable, design investment cost is low, are particularly suitable for being applied to small-size enterprise.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A small-sized integrated sewage treatment device for high-concentration organic wastewater comprises a primary upflow anaerobic reactor (1), a secondary upflow anaerobic reactor (2), a primary anoxic tank (3), a secondary anoxic tank (4), an upflow anaerobic tank (5), an aerobic tank (6), an ultraviolet disinfection tank (7) and a clear water tank (8), and is characterized in that the bottoms of the primary upflow anaerobic reactor (1), the secondary upflow anaerobic reactor (2), the primary anoxic tank (3), the secondary anoxic tank (4) and the upflow anaerobic tank (5) are respectively provided with a flow guide cone (9); a first water inlet pipe (23) fixed with the side wall of the upper end of the first-stage upflow anaerobic reactor (1) is arranged in the first-stage upflow anaerobic reactor; a second water inlet pipe (24) communicated with the first-stage upflow anaerobic reactor (1) is arranged in the second-stage upflow anaerobic reactor (2); a third water inlet pipe (25) communicated with the second-stage upflow anaerobic reactor (2) is arranged in the first-stage anoxic tank (3); a fourth water inlet pipe (26) communicated with the first-stage anoxic groove (3) is arranged in the second-stage anoxic groove (4); a fifth water inlet pipe (27) communicated with the second-stage anoxic tank (4) is arranged in the upflow anaerobic tank (5); the lower ends of the first water inlet pipe (23), the second water inlet pipe (24), the third water inlet pipe (25), the fourth water inlet pipe (26) and the fifth water inlet pipe (27) are all positioned above the corresponding diversion cone (9); the upflow anaerobic tank (5) is provided with a water outlet hole (11), and sewage in the upflow anaerobic tank (5) flows into the aerobic tank (6) through the water outlet hole (11);
the first water inlet pipe (23) is connected with a raw water inlet pipe (32), and a water inlet electromagnetic valve (34), a manual regulating valve (33), a water inlet self-sucking pump (18) and a flow meter (19) are sequentially arranged on the raw water inlet pipe (32); a third return pipe (28) is arranged at the top of the second-stage upflow anaerobic reactor (2), and the third return pipe (28) is connected to a raw water inlet pipe (32) between a water inlet electromagnetic valve (34) and a manual regulating valve (33); a first electromagnetic valve (35) is arranged on the third return pipe (28);
a first reflux pipe (10) is arranged between the first-stage upflow anaerobic reactor (1) and the upflow anaerobic tank (5); a second return pipe (12) is arranged between the aerobic tank (6) and the first-stage anoxic tank (3); the first return pipe (10) and the second return pipe (12) are internally provided with an air stripping pump;
an aeration disc (14) and an MBR (membrane biological reactor) membrane component (15) are arranged in the aerobic tank (6), and an ultraviolet sterilizing lamp (17) is arranged in the ultraviolet sterilizing tank (7); a suction pump (20), a recoil pump (21) and a fan (16) are arranged outside the aerobic tank (6); the suction pump (20) is respectively connected with the MBR membrane module (15) and the ultraviolet disinfection tank (7) through pipelines, the backflushing pump (21) is respectively connected with the MBR membrane module (15) and the clear water tank (8) through pipelines, the pipelines of the suction pump (20) and the backflushing pump (21) are respectively provided with a second electromagnetic valve (31) and a third electromagnetic valve (30), and the pipeline of the suction pump (20) is also provided with an electric contact pressure gauge (29); the fan (16) supplies air to the aeration disc (14), and the fan (16) is also connected with the first return pipe (10) and the second return pipe (12) through an air supply pipe (22); an air supply pipe electromagnetic valve (36) is arranged on the air supply pipe (22) between the fan (16) and the first return pipe (10) and the second return pipe (12);
the ultraviolet disinfection tank (7) is arranged above the clear water tank (8), and the bottom of the ultraviolet disinfection tank (7) is provided with a water outlet communicated with the clear water tank (8); a water outlet pipe (37) is arranged in the clear water tank (8).
2. The small-sized high-concentration organic wastewater integrated sewage treatment plant according to claim 1, characterized in that: the heights of the upper ends of the first water inlet pipe (23), the second water inlet pipe (24), the third water inlet pipe (25), the fourth water inlet pipe (26) and the fifth water inlet pipe (27) are reduced in sequence.
3. The small-sized high-concentration organic wastewater integrated sewage treatment plant according to claim 1, characterized in that: the diversion cone (9) is conical, and the cone tip is upward.
4. The small-sized high-concentration organic wastewater integrated sewage treatment plant according to claim 1, characterized in that: the height of the upper end of the water outlet hole (11) is the same as that of the upper end of the fifth water inlet pipe (27).
5. The small-sized high concentration organic wastewater integrated sewage treatment plant according to any one of claims 1 to 4, characterized in that: the first reflux pipe (10) refluxes the sludge at the bottom of the upflow anaerobic tank (5) to the first-stage upflow anaerobic reactor (1).
6. The small-sized high concentration organic wastewater integrated sewage treatment plant according to any one of claims 1 to 4, characterized in that: the second return pipe (12) returns the nitrified liquid in the aerobic tank (6) to the first-stage anoxic tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921723720.5U CN211004994U (en) | 2019-10-15 | 2019-10-15 | Small-size high concentration organic waste water integration sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921723720.5U CN211004994U (en) | 2019-10-15 | 2019-10-15 | Small-size high concentration organic waste water integration sewage treatment plant |
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| Publication Number | Publication Date |
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| CN211004994U true CN211004994U (en) | 2020-07-14 |
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| CN201921723720.5U Expired - Fee Related CN211004994U (en) | 2019-10-15 | 2019-10-15 | Small-size high concentration organic waste water integration sewage treatment plant |
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Granted publication date: 20200714 |