CN209759234U - Integrated sewage treatment device - Google Patents
Integrated sewage treatment device Download PDFInfo
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- CN209759234U CN209759234U CN201920145487.0U CN201920145487U CN209759234U CN 209759234 U CN209759234 U CN 209759234U CN 201920145487 U CN201920145487 U CN 201920145487U CN 209759234 U CN209759234 U CN 209759234U
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- 239000010865 sewage Substances 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 210000003298 dental enamel Anatomy 0.000 claims abstract description 8
- 230000010354 integration Effects 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 51
- 238000003756 stirring Methods 0.000 claims description 38
- 239000010802 sludge Substances 0.000 claims description 34
- 238000005345 coagulation Methods 0.000 claims description 31
- 230000015271 coagulation Effects 0.000 claims description 31
- 238000004062 sedimentation Methods 0.000 claims description 30
- 238000005273 aeration Methods 0.000 claims description 28
- 238000005276 aerator Methods 0.000 claims description 12
- 239000000701 coagulant Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 12
- 239000011574 phosphorus Substances 0.000 abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 7
- 238000000638 solvent extraction Methods 0.000 abstract description 4
- 230000001112 coagulating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 230000001079 digestive effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses an integration sewage treatment plant, including the reactor body, one-level anoxic zone communicates with the sewage inlet tube on reactor body upper portion, one-level anoxic zone and anaerobic zone are by I intercommunication of through-hole, the upper portion of baffle II is provided with through-hole II, anaerobic zone and one-level aerobic zone communicate by through-hole II, one-level aerobic zone and second grade anoxic zone communicate by through-hole III, second grade anoxic zone and second grade aerobic zone communicate by through-hole IV, second grade aerobic zone communicates by through-hole V with coagulating basin, baffle VI will coagulate pond and clear water basin and separate, baffle VII will coagulate pond and clear water basin and one-level anoxic zone and separate, the clear water basin passes through the water catch bowl intercommunication of intercommunication water pipe with the settling zone, the clear water basin still communicates with the clear water outlet pipe on reactor body upper portion. The integrated domestic sewage treatment device is ingeniously arranged in a circular enamel assembling tank through reasonable partitioning, so that the nitrogen and phosphorus removal effect of sewage is enhanced, and the occupied area is greatly reduced.
Description
Technical Field
the utility model belongs to the technical field of dispersion type domestic sewage treatment device, concretely relates to integration sewage treatment plant.
Background
Along with the rapid development of national economy, the country pays attention to the treatment of the environment of the villages and towns while the urban sewage is better treated, and the dispersed sewage treatment process and device suitable for the villages and the towns and the like need to be developed for better treatment of the village and towns sewage, the village and towns sewage needs a process with small occupied area, convenient and intelligent management and low energy consumption, and the urban sewage treatment plant has complex process, large occupied area and high energy consumption, so that the development of the integrated domestic sewage treatment device becomes an urgent priority for the treatment of the village and towns sewage.
At present, there are many integrated domestic sewage reactors in the market, but the effluent indexes can not meet the required standards, especially the total nitrogen index, and are more difficult to remove, and most of rural sewage at present requires effluent to reach the first-class A discharge standard in GB 18918-.
Disclosure of Invention
In order to solve the problem, the utility model provides an integrated domestic sewage treatment device. The integrated domestic sewage treatment device is characterized in that an inverted A2O process, a secondary AO process and an inclined tube sedimentation technology are effectively coupled and ingeniously arranged in a circular enamel assembling tank through reasonable partitioning, so that the nitrogen and phosphorus removal effect of sewage is enhanced, and the occupied area is greatly reduced; the sedimentation zone adopts the inclined tube sedimentation with high sedimentation efficiency, and the treated effluent suspended matter can be ensured to reach the standard.
the purpose of the utility model is realized with the following mode:
The integrated sewage treatment device comprises a reactor body, wherein the reactor body is divided into a first-stage anoxic zone, an anaerobic zone, a first-stage aerobic zone, a second-stage anoxic zone, a second-stage aerobic zone, a coagulation tank, a sedimentation zone and a clean water tank which are mutually independent by a partition plate I, a partition plate II, a partition plate III, a partition plate IV, a partition plate V, a partition plate VI, a partition plate VII and the wall of a sedimentation zone; the primary anoxic zone is communicated with a sewage inlet pipe at the upper part of the reactor body, and a primary anoxic zone stirring device is arranged in the primary anoxic zone; the bottom of the partition plate I is provided with a through hole I, the primary anoxic zone is communicated with the anaerobic zone through the through hole I, and an anaerobic zone stirring device is arranged in the anaerobic zone; the upper part of the partition plate II is provided with a through hole II, the anaerobic zone is communicated with the primary aerobic zone through the through hole II, a primary aerobic zone aeration device is arranged in the primary aerobic zone, the primary aerobic zone aeration device is communicated with an air pipeline of the primary aerobic zone, and the air pipeline of the primary aerobic zone extends out of the reactor body; the bottom of the partition plate III is provided with a through hole III, the primary aerobic zone is communicated with the secondary anoxic zone through the through hole III, and a secondary anoxic zone stirring device is arranged in the secondary anoxic zone; a through hole IV is formed in the upper part of the partition plate IV, the secondary anoxic zone and the secondary aerobic zone are communicated through the through hole IV, a secondary aerobic zone aeration device is arranged in the secondary aerobic zone, the secondary aerobic zone aeration device is communicated with an air pipeline of the secondary aerobic zone, and the air pipeline of the secondary aerobic zone extends out of the reactor body; the bottom of the partition board V is provided with a through hole V, the secondary aerobic zone is communicated with the coagulation tank through the through hole V, and a coagulant feeding pipe and an air stirring device are arranged in the coagulation tank; the coagulation tank and the clean water tank are separated by a partition plate VI, the coagulation tank and the clean water tank are separated from a primary anoxic zone by a partition plate VII, a sedimentation zone is positioned at the central position of the reactor body, the primary anoxic zone, the anaerobic zone, the primary aerobic zone, the secondary anoxic zone, the secondary aerobic zone, the coagulation tank and the clean water tank are sequentially distributed in an area between the sedimentation zone and the reactor body, and the sedimentation zone is separated from the primary anoxic zone, the anaerobic zone, the primary aerobic zone, the secondary anoxic zone, the secondary aerobic zone and the coagulation tank by the wall of the sedimentation zone; the settling zone consists of a sludge collecting pool at the bottom, inclined tube fillers in the middle and a water collecting tank at the upper part, and a sawtooth effluent weir is arranged at the inner side of the water collecting tank;
A through hole VI is formed in the bottom of the wall of the settling zone corresponding to the coagulation tank, and the coagulation tank is communicated with a mud collection tank of the settling zone through the through hole VI; the clean water tank is communicated with a water collecting tank of the sedimentation area through a communicating water pipe and is also communicated with a clean water outlet pipe at the upper part of the reactor body;
The bottom of the sludge collecting pool is communicated with the outlet of a sludge discharge pipe on the reactor body through the sludge discharge pipe.
The reactor body is cylindrical and is made of enamel assembling plates.
The primary anoxic zone stirring device, the anaerobic zone stirring device and the secondary anoxic zone stirring device are submersible stirrers.
The primary aerobic zone aeration device is a tubular aerator or a disc aerator, and the secondary aerobic zone aeration device is a tubular aerator or a disc aerator.
The bottom of the sludge collecting tank is communicated with the first-stage anoxic zone through a sludge return pipe.
And a carbon source feeding pipe is arranged in the secondary anoxic zone.
And a submersible pump is arranged in the secondary aerobic zone and is communicated with the primary anoxic zone through a pipeline.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect: the integrated domestic sewage treatment device is characterized in that an inverted A2O process, a secondary AO process and an inclined tube sedimentation technology are effectively coupled and ingeniously arranged in a circular enamel assembling tank through reasonable partitioning, so that the nitrogen and phosphorus removal effect of sewage is enhanced, and the occupied area is greatly reduced; the sedimentation zone adopts the pipe chute filler that precipitation efficiency is high to deposit, can guarantee that the play water suspended solid after the processing is up to standard. The integrated sewage treatment device is assembled by enamel or made of steel according to the characteristics of various places.
After domestic sewage gets into integration sewage treatment plant's one-level anoxic zone, keep sewage and the mud intensive mixing of backward flow in this district through the stirring of dive agitator, the good oxygen district sewage of backward flow second grade simultaneously is distinguished to one-level anoxic zone, strengthens biological denitrification effect.
Sewage automatically flows into the anaerobic zone, the submersible stirrer is installed in the anaerobic zone, and oxygen and nitrate-state oxygen in the sewage are exhausted through denitrification in the first-stage anoxic zone, so that the biological phosphorus removal effect can be improved.
An aeration device is arranged in the first-level aerobic zone and used for supplying oxygen to microorganisms, strengthening the degradation effect of organic matters and oxidizing ammonia nitrogen into nitrate nitrogen.
The sewage rich in nitrate nitrogen automatically flows into the second-stage anoxic zone, and the nitrate nitrogen completes denitrification in the second-stage anoxic zone, so that the effect of reducing total nitrogen is finally achieved.
and an aeration device is arranged in the second-stage aerobic zone and used for supplying oxygen to microorganisms, so that the degradation effect of organic matters is further enhanced, and the indexes of the organic matters in the effluent reach the standard.
And (3) adding a coagulant into the coagulation zone, fully mixing the coagulant with the sewage through gas stirring, and enabling the total phosphorus of the treated sewage to reach the standard through chemical phosphorus removal on the basis of biological phosphorus removal.
The sedimentation zone adopts the inclined tube filler with larger surface load and better sedimentation effect, thereby not only improving the sedimentation efficiency, but also reducing the occupied area.
The integrated domestic sewage treatment device inherits the advantages of the traditional integrated biochemical reactor and overcomes the defects of the traditional integrated biochemical reactor, and the inverted A2O process, the secondary AO process and the inclined tube sedimentation technology are effectively coupled and ingeniously arranged in a circular enamel assembling tank through reasonable partitioning, so that the nitrogen and phosphorus removal effect of sewage is enhanced, and the occupied area is greatly reduced; the sedimentation zone adopts the inclined tube sedimentation with high sedimentation efficiency, and the treated effluent suspended matter can be ensured to reach the standard.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of the structure of the central settling zone.
Wherein 1 is a reactor body; 101 is a sewage inlet pipe; 102 is a clear water outlet pipe; 2 is a primary anoxic zone; 201 is a primary anoxic zone stirring device; 3 is an anaerobic zone; 301 is an anaerobic zone stirring device; 4 is a primary aerobic zone; 401 is a primary aerobic zone aeration device; 402 is a primary aerobic zone air conduit; 5 is a secondary anoxic zone; 501, a carbon source adding pipe; 502 is a secondary anoxic zone stirring device; 6 is a secondary aerobic zone; 601 is a secondary aerobic zone aeration device; 602 is a secondary aerobic zone air conduit; 7 is a coagulation tank; 8 is a settling zone; 801 is a mud collecting tank; 802 is a tube filler; 803 is a water collection tank; 804 is a sawtooth effluent weir; 9 is a clean water tank; 10 is the outlet of the sludge discharge pipe; 11 is a sludge return pipe; 12 is a sludge discharge pipe; 13 is a clapboard I; 14 is a partition II; 15 is a partition III; 16 is a separator IV; 17 is a partition V; 18 is a partition VI; 19 is a separator VII; 20 is a through hole I; 21 is a through hole II; 22 is via III; 23 is a through hole IV; 24 is a through hole V; 25 is a communicating water pipe.
Detailed Description
As shown in attached figures 1-2, the integrated sewage treatment device comprises a reactor body 1, wherein the reactor body 1 is divided into a first-stage anoxic zone 2, an anaerobic zone 3, a first-stage aerobic zone 4, a second-stage anoxic zone 5, a second-stage aerobic zone 6, a coagulation tank 7, a sedimentation zone 8 and a clean water tank 9 which are independent from each other by a partition plate I13, a partition plate II 14, a partition plate III 15, a partition plate IV 16, a partition plate V17, a partition plate VI 18, a partition plate VII 19 and a sedimentation zone tank wall; the primary anoxic zone 2 is communicated with a sewage inlet pipe 101 at the upper part of the reactor body 1, and a primary anoxic zone stirring device 201 is arranged in the primary anoxic zone 2; the bottom of the partition plate I13 is provided with a through hole I20, the primary anoxic zone 2 is communicated with the anaerobic zone 3 through the through hole I20, and an anaerobic zone stirring device 301 is arranged in the anaerobic zone 3; the upper part of the partition plate II 14 is provided with a through hole II 21, the anaerobic zone 3 is communicated with the primary aerobic zone 4 through the through hole II 21, a primary aerobic zone aeration device 401 is arranged in the primary aerobic zone 4, the primary aerobic zone aeration device 401 is communicated with a primary aerobic zone air pipeline 402, the primary aerobic zone air pipeline 402 extends out of the reactor body 1, and the primary aerobic zone air pipeline 402 provides air for the primary aerobic zone aeration device 401; the bottom of the partition plate III 15 is provided with a through hole III 22, the primary aerobic zone 4 is communicated with the secondary anoxic zone 5 through the through hole III 22, and a secondary anoxic zone stirring device 502 is arranged in the secondary anoxic zone 5; a through hole IV 23 is formed in the upper part of the partition plate IV 16, the secondary anoxic zone 5 is communicated with the secondary aerobic zone 6 through the through hole IV 23, a secondary aerobic zone aeration device 601 is arranged in the secondary aerobic zone 6, the secondary aerobic zone aeration device 601 is communicated with a secondary aerobic zone air pipeline 602, the secondary aerobic zone air pipeline 602 extends out of the reactor body 1, and the secondary aerobic zone air pipeline 602 provides air for the secondary aerobic zone aeration device 601; the bottom of the partition board V17 is provided with a through hole V24, the secondary aerobic zone 6 is communicated with the coagulation tank 7 through the through hole V24, and a coagulant feeding pipe and an air stirring device are arranged in the coagulation tank 7; the coagulation tank 7 and the clean water tank 9 are separated by a partition plate VI 18, the coagulation tank 7 and the clean water tank 9 are separated from the primary anoxic zone 2 by a partition plate VII 19, the precipitation zone 8 is positioned at the central position of the reactor body 1, the primary anoxic zone 2, the anaerobic zone 3, the primary aerobic zone 4, the secondary anoxic zone 5, the secondary aerobic zone 6, the coagulation tank 7 and the clean water tank 9 are sequentially distributed in the area between the precipitation zone 8 and the reactor body 1, and the precipitation zone 8, the primary anoxic zone 2, the anaerobic zone 3, the primary aerobic zone 4, the secondary anoxic zone 5, the secondary aerobic zone 6 and the coagulation tank 7 are separated by the wall of the precipitation zone; the settling zone 8 consists of a sludge collecting tank 801 at the bottom, an inclined tube filler 802 in the middle and a water collecting tank 803 at the upper part, and a sawtooth effluent weir 804 is arranged on the inner side of the water collecting tank 803;
A through hole VI is formed in the bottom of the sedimentation area wall corresponding to the coagulation tank 7, and the coagulation tank 7 is communicated with a sludge collection tank 801 of the sedimentation area 8 through the through hole VI; the clean water tank 9 is communicated with the water collecting tank 803 of the settling zone 8 through a communicating water pipe 25, and the clean water tank 9 is also communicated with a clean water outlet pipe 102 at the upper part of the reactor body 1;
The bottom of the sludge collecting tank 801 is also communicated with a sludge discharge pipe outlet 10 on the reactor body 1 through a sludge discharge pipe 12.
The reactor body 1 is cylindrical and made of enamel assembled plates.
the primary anoxic zone stirring device 201, the anaerobic zone stirring device 301 and the secondary anoxic zone stirring device 502 are submersible stirrers. The primary anoxic zone stirring device 201 is arranged in the primary anoxic zone 2, and the secondary anoxic zone stirring device 502 is arranged in the secondary anoxic tank 5, so that sewage, reflux digestive juice and sludge are fully mixed under the stirring action, and the sewage denitrification effect is enhanced. The anaerobic zone stirring device 301 enables the sewage and the phosphorus-accumulating bacteria to be fully mixed in the anaerobic zone 3 through the stirring effect, and the sewage dephosphorization effect is enhanced.
The first-stage aerobic zone aeration device 401 is a tubular aerator or a disc aerator, and the second-stage aerobic zone aeration device 601 is a tubular aerator or a disc aerator. The primary aerobic zone aeration device 401 and the secondary aerobic zone aeration device 601 continuously bring air into the aerobic zone and release the air into micro bubbles, so that the oxygen utilization rate is improved, and the oxidation of organic matters and ammonia nitrogen is enhanced.
the bottom of the sludge collecting tank 801 is communicated with the first-stage anoxic zone 2 through a sludge return pipe 11.
A carbon source feeding pipe 501 is arranged in the second-stage anoxic zone 5.
A submersible pump is arranged in the second-stage aerobic zone 6 and is communicated with the first-stage anoxic zone 2 through a pipeline, the submersible pump is positioned below the liquid level in the second-stage aerobic zone 6, and part of digestive juice in the second-stage aerobic zone 6 flows back to the first-stage anoxic zone 2 through the submersible pump and the pipeline.
The working process of the utility model is as follows: sewage enters a primary anoxic zone 2 through a sewage inlet pipe 101, and under the stirring of a primary anoxic zone stirring device 201, the sewage, digestive juice returned from a secondary aerobic zone 6 and sludge returned through a sludge return pipe 11 in a settling zone 8 are mixed for biological denitrification and pre-deoxidation; the sewage after biological denitrification and pre-deoxidation enters an anaerobic zone 3 through a through hole I20 at the bottom of a partition plate I13, and is fully mixed with phosphorus-accumulating bacteria in sludge under the stirring of an anaerobic zone stirring device 301, so that the effect of enhancing biological phosphorus removal is achieved; then, sewage automatically flows into the primary aerobic zone 4 through a through hole II 21 on the upper part of the partition plate II 14, and the primary aerobic zone aeration device 401 supplies air to the primary aerobic zone 4, so that the purpose of oxygen supply is achieved, the degradation effect of organic matters is enhanced, and ammonia nitrogen is oxidized into nitrate nitrogen; the effluent of the primary aerobic zone 4 is rich in nitrate nitrogen, automatically flows into the secondary anoxic zone 5 through a through hole III 22 at the bottom of the partition plate III 15, a carbon source is added into the secondary anoxic zone 5 through a carbon source adding pipe 501, and the sewage and the carbon source are uniformly mixed under the stirring of a secondary anoxic zone stirring device 502, so that the purpose of removing total nitrogen is achieved; then sewage automatically flows into the secondary aerobic zone 6 through a through hole IV 23 on the upper part of the partition plate IV 16, and the secondary aerobic zone aeration device 601 supplies air to the secondary aerobic zone 6 for supplying oxygen to microorganisms, so that the degradation effect of organic matters is further enhanced, and the indexes of the organic matters in the effluent reach the standard; the sewage passing through the secondary aerobic zone 6 enters the coagulation zone 7 through a through hole V24 at the bottom of a partition plate V17, and the phosphorus removal coagulant is added into the sewage in the coagulation zone 7 through a coagulant feeding pipe and is stirred by an air stirring device, so that the sewage and the phosphorus removal coagulant are fully mixed, and the removal rate of phosphorus in the sewage is enhanced; the sewage after dephosphorization enters the bottom of the settling zone 8 through a through hole VI at the bottom of the wall of the settling zone, the sewage at the bottom of the settling zone 8 is subjected to mud-water separation through the inclined tube filler 802, the supernatant after mud-water separation enters the water collecting tank 803 through the sawtooth water outlet weir 804, the sludge after mud-water separation is left in the sludge collecting tank 801, the water in the water collecting tank 803 enters the clean water tank 9 through the communicating water pipe 25, and the clean water in the clean water tank 9 is discharged out of the reactor body 1 through the clean water outlet pipe 102; one part of sludge in the sludge collection tank 801 at the bottom of the settling zone 8 is discharged out of the reactor body 1 through a sludge discharge pipe 12, and the other part of sludge flows back into the first-stage anoxic tank 2 through a sludge return pipe 11, so that the microbial concentration of the whole system is maintained.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.
Claims (7)
1. Integration sewage treatment plant, its characterized in that: the device comprises a reactor body (1), wherein the reactor body (1) is divided into a first-stage anoxic zone (2), an anaerobic zone (3), a first-stage aerobic zone (4), a second-stage anoxic zone (5), a second-stage aerobic zone (6), a coagulation tank (7), a sedimentation zone (8) and a clean water tank (9) which are independent of each other by a partition plate I (13), a partition plate II (14), a partition plate III (15), a partition plate IV (16), a partition plate V (17), a partition plate VI (18), a partition plate VII (19) and the wall of the sedimentation zone; the primary anoxic zone (2) is communicated with a sewage inlet pipe (101) at the upper part of the reactor body (1), and a primary anoxic zone stirring device (201) is arranged in the primary anoxic zone (2); a through hole I (20) is formed in the bottom of the partition plate I (13), the primary anoxic zone (2) is communicated with the anaerobic zone (3) through the through hole I (20), and an anaerobic zone stirring device (301) is arranged in the anaerobic zone (3); a through hole II (21) is formed in the upper part of the partition plate II (14), the anaerobic zone (3) is communicated with the primary aerobic zone (4) through the through hole II (21), a primary aerobic zone aeration device (401) is arranged in the primary aerobic zone (4), the primary aerobic zone aeration device (401) is communicated with a primary aerobic zone air pipeline (402), and the primary aerobic zone air pipeline (402) extends out of the reactor body (1); a through hole III (22) is formed in the bottom of the partition plate III (15), the primary aerobic zone (4) is communicated with the secondary anoxic zone (5) through the through hole III (22), and a secondary anoxic zone stirring device (502) is arranged in the secondary anoxic zone (5); a through hole IV (23) is formed in the upper portion of the partition plate IV (16), the secondary anoxic zone (5) is communicated with the secondary aerobic zone (6) through the through hole IV (23), a secondary aerobic zone aeration device (601) is arranged in the secondary aerobic zone (6), the secondary aerobic zone aeration device (601) is communicated with a secondary aerobic zone air pipeline (602), and the secondary aerobic zone air pipeline (602) extends out of the reactor body (1); a through hole V (24) is arranged at the bottom of the partition board V (17), the secondary aerobic zone (6) is communicated with the coagulation tank (7) through the through hole V (24), and a coagulant feeding pipe and an air stirring device are arranged in the coagulation tank (7); the coagulation tank (7) and the clean water tank (9) are separated by a partition plate VI (18), the coagulation tank (7) and the clean water tank (9) are separated by a partition plate VII (19), the sedimentation zone (8) is positioned at the central position of the reactor body (1), the primary anoxic zone (2), the anaerobic zone (3), the primary aerobic zone (4), the secondary anoxic zone (5), the secondary aerobic zone (6), the coagulation tank (7) and the clean water tank (9) are sequentially distributed in an area between the sedimentation zone (8) and the reactor body (1), and the sedimentation zone (8) is separated from the primary anoxic zone (2), the anaerobic zone (3), the primary aerobic zone (4), the secondary anoxic zone (5), the secondary aerobic zone (6) and the coagulation tank (7) by the sedimentation zone tank wall; the settling zone (8) consists of a sludge collecting pool (801) at the bottom, an inclined tube filler (802) in the middle and a water collecting tank (803) at the upper part, and a sawtooth effluent weir (804) is arranged on the inner side of the water collecting tank (803);
A through hole VI is formed in the bottom of the wall of the settling zone corresponding to the coagulation tank (7), and the coagulation tank (7) is communicated with a sludge collection tank (801) of the settling zone (8) through the through hole VI; the clean water tank (9) is communicated with a water collecting tank (803) of the settling zone (8) through a communicating water pipe (25), and the clean water tank (9) is also communicated with a clean water outlet pipe (102) at the upper part of the reactor body (1);
The bottom of the sludge collecting pool (801) is also communicated with a sludge discharge pipe outlet (10) on the reactor body (1) through a sludge discharge pipe (12).
2. The integrated sewage treatment apparatus according to claim 1, wherein: the reactor body (1) is cylindrical and is made of enamel assembling plates.
3. The integrated sewage treatment apparatus according to claim 1, wherein: the primary anoxic zone stirring device (201), the anaerobic zone stirring device (301) and the secondary anoxic zone stirring device (502) are all submersible stirrers.
4. The integrated sewage treatment apparatus according to claim 1, wherein: the primary aerobic zone aeration device (401) is a tubular aerator or a disc aerator, and the secondary aerobic zone aeration device (601) is a tubular aerator or a disc aerator.
5. The integrated sewage treatment apparatus according to claim 1, wherein: the bottom of the sludge collecting tank (801) is communicated with the first-stage anoxic zone (2) through a sludge return pipe (11).
6. The integrated sewage treatment apparatus according to claim 1, wherein: and a carbon source feeding pipe (501) is arranged in the secondary anoxic zone (5).
7. The integrated sewage treatment apparatus according to claim 1, wherein: and a submersible pump is arranged in the second-stage aerobic zone (6) and is communicated with the first-stage anoxic zone (2) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145487.0U CN209759234U (en) | 2019-01-28 | 2019-01-28 | Integrated sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145487.0U CN209759234U (en) | 2019-01-28 | 2019-01-28 | Integrated sewage treatment device |
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| CN209759234U true CN209759234U (en) | 2019-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626755A (en) * | 2019-01-28 | 2019-04-16 | 开源环保（集团）有限公司 | Integrated sewage treating apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626755A (en) * | 2019-01-28 | 2019-04-16 | 开源环保（集团）有限公司 | Integrated sewage treating apparatus |
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