CN221191855U - Anaerobic biological reaction device for wastewater - Google Patents
Anaerobic biological reaction device for wastewater Download PDFInfo
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- CN221191855U CN221191855U CN202323332026.XU CN202323332026U CN221191855U CN 221191855 U CN221191855 U CN 221191855U CN 202323332026 U CN202323332026 U CN 202323332026U CN 221191855 U CN221191855 U CN 221191855U
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- wastewater
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- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000011010 flushing procedure Methods 0.000 claims description 23
- 238000000926 separation method Methods 0.000 claims description 16
- 238000004062 sedimentation Methods 0.000 claims description 12
- 239000010802 sludge Substances 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 33
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The application relates to the technical field of waste water biological treatment, and discloses a waste water anaerobic biological reaction device, which comprises a reactor tank body, a secondary fluid distributor, a three-phase separator, a gas guiding device and a conical gas storage chamber, wherein waste water and circulating water are pumped into the secondary fluid distributor at the lower part in an anaerobic biological reactor after being mixed at a water inlet of a feed pump, the waste water and anaerobic organisms are mixed and reacted to form a gas-liquid-solid mixed liquid, the mixed liquid upwards flows through the three-phase separator to separate biogas and sludge from the waste water, the waste water is discharged out of the anaerobic biological reactor through an effluent weir, the biogas is discharged out of the conical gas storage chamber at the top of the anaerobic biological reactor, and the circulating water is led out of a circulating water collecting system and discharged into an internal circulation regulating tank; solves the problems of low efficiency, excessive negative impact on the device due to high internal circulation load and easy blockage, improves the effluent quality of the anaerobic bioreactor, effectively reduces the failure rate of the anaerobic bioreactor, and greatly saves the investment.
Description
Technical Field
The utility model relates to the technical field of wastewater biological treatment, in particular to a wastewater anaerobic biological reaction device.
Background
The anaerobic biological technology adopted by the high-concentration organic industrial wastewater has the advantages of good treatment effect, low running cost and biogas energy generation. The anaerobic biotechnology with wide application and mature technology at present mainly comprises an internal circulation (I C) anaerobic bioreactor and an Expanded Granular Sludge Bed (EGSB) anaerobic bioreactor.
The circulating power of the internal circulation (I C) anaerobic bioreactor is derived from the generated biogas, and the circulating water quantity is dependent on the generated biogas quantity. The anaerobic bioreactor has strict operation process conditions, high operation management requirements, easy blockage of internal circulation pipelines such as a riser, a downcomer and the like, frequent influence on internal circulation effect and uncertainty of the circulating water quantity. The internal circulation (I C) anaerobic bioreactor has large investment, is generally internally provided with a two-layer three-phase separator, has complex structure and has higher requirements on equipment processing and on-site assembly precision. After long-time operation, the inner member is pulled to crack, misplace and the like under the action of water flow and air flow, so that the problems of mud leakage, air leakage and the like are caused.
The Expanded Granular Sludge Bed (EGSB) anaerobic bioreactor generally adopts forced external circulation, and the proportion of the external circulation is determined according to the operation condition and is generally between 50% and 300%. The large proportion of external circulation can cause the surface load of the three-phase separator and the weir load of the water outlet weir to be too high, thereby affecting the three-phase separation effect and the water quality of the water outlet.
Disclosure of utility model
Aiming at the problems, the utility model aims to provide a waste water anaerobic biological reaction device, which solves the problems of low efficiency, excessive negative impact of reverse impact on the device, complex reactor structure and excessive investment caused by excessive internal circulation load and easy blockage; in order to achieve the aim, the utility model provides a wastewater anaerobic biological reaction device which comprises an anaerobic biological reactor and an internal circulation regulating tank, wherein the anaerobic biological reactor comprises a tank body and a tank body, wherein the tank body is provided with a tank cover, the tank cover is arranged on the tank cover, and the tank cover is arranged on the tank cover:
A first-stage water distribution system is arranged at the lower end of the inside of the anaerobic bioreactor, a second-stage water distribution system is arranged at the upper end of the first-stage water distribution system, a three-phase separator is arranged at the upper end of the second-stage water distribution system, a water outlet pipe system is arranged in the three-phase separator, and a second conical gas storage chamber is arranged at the upper end of the three-phase separator;
The upper end sets up first toper gas storage jar in the inner loop adjustment jar, circulating water collecting system is connected to inner loop adjustment jar one side upper portion, one-level water distribution system is connected to inner loop adjustment jar one side lower extreme, and the second grade water distribution system is connected to the preliminary treatment waste water mouth, biological gas processing apparatus is connected jointly to second toper gas storage room and first toper gas storage room upper end.
Preferably, the three-phase separator comprises a back flushing system, a diversion separation chamber is separated between the back flushing system and the secondary water distribution system, a settling chamber is arranged at the upper end of the back flushing system, a water outlet weir is arranged at the upper end of the settling chamber, a water outlet pipe system is arranged above the circulating water collecting system, the upper end of the water outlet pipe system is connected with the water outlet weir, and a Fang Yuliu second conical gas storage chamber is arranged on the water outlet weir.
Preferably, the tail end of the water outlet pipe system is connected with an aerobic system, and the tail end of the back flushing system is connected with a back flushing water inlet.
Preferably, a circulating feed pump is arranged on a pipeline between the first conical gas storage chamber and the primary water distribution system, and a wastewater feed pump is arranged on a pipeline between the pretreatment wastewater port and the secondary water distribution system.
Preferably, the position of the secondary water distribution system is arranged between 10% and 30% higher than the bottom of the anaerobic bioreactor, and the water quantity distributed by the secondary water distribution system is between 15% and 30% of the total water inflow.
Preferably, a diversion cone plate is arranged in the diversion separation chamber, the diversion cone plate comprises a direct current plate and a cone plate, and the vertical tail end of the direct current plate is connected with the tip of the cone plate.
Preferably, an inclined plate or an inclined tube is arranged in the sedimentation chamber.
Preferably, a space is arranged between the outside of the three-phase separator and the anaerobic bioreactor, a stack of gas guiding devices are symmetrically arranged on the inner wall of the anaerobic bioreactor, and the gas guiding devices are positioned at the same height of the diversion separation chamber.
Preferably, a plurality of diversion separating plates are arranged in parallel at a plurality of intervals to form a diversion separating chamber, and the diversion separating plates are obliquely arranged downwards from the inner wall of the anaerobic bioreactor.
Compared with the prior art, the utility model has the beneficial effects that:
The anaerobic bioreactor of the utility model carries out partial internal circulation by gravity, solves the uncertainty of the circulating water quantity of the anaerobic bioreactor, and effectively solves the problems of overhigh surface load of the three-phase separator and overhigh load of an effluent weir and a weir due to large proportion of circulating water of the gas internal circulation anaerobic bioreactor and the forced external circulation anaerobic bioreactor, which are caused by the arrangement of the circulating water collecting system at the upper part of the sedimentation chamber of the three-phase separator, reduces the sludge loss of the anaerobic bioreactor and improves the effluent quality of the anaerobic bioreactor. The online back flushing is realized by the back flushing system of the circulating water, and the impact of nitrogen back flushing on the system and the device is solved. The second conical gas storage chamber is arranged at the top of the anaerobic bioreactor to replace a plurality of degassing tanks, so that the necessary components of other anaerobic bioreactors such as a cover plate, a rising pipe, a descending pipe and the like of the anaerobic bioreactor are eliminated, the failure rate of the anaerobic bioreactor is effectively reduced, and the investment is greatly saved.
Drawings
FIG. 1 is a block diagram of an anaerobic biological reactor for wastewater according to the present utility model.
In the figure: 1. a first conical gas storage chamber; 2. an internal circulation adjusting tank; 3. pretreating a waste water port; 4. a second conical gas storage chamber; 5. a water outlet weir; 6. a water outlet pipe system; 7. a circulating water collection system; 8. a settling chamber; 9. a back flushing system; 10. a gas guiding device; 11. a diversion separation chamber; 12. an anaerobic bioreactor; 13. a circulating feed pump; 14. a wastewater feed pump; 15. a secondary water distribution system; 16. a primary water distribution system; 17. a biogas treatment device; 18. an aerobic system; 19. a back flushing water inlet; 20. and a diversion separating plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
Referring to fig. 1, the present utility model provides a technical solution: an anaerobic biological reactor 12 for wastewater comprises an anaerobic biological reactor 12 and an internal circulation regulating tank 2:
a first-stage water distribution system 16 is arranged at the lower end of the inside of the anaerobic bioreactor 12, a second-stage water distribution system 15 is arranged at the upper end of the first-stage water distribution system 16, a three-phase separator is arranged at the upper end of the second-stage water distribution system 15, a water outlet pipe system 6 is arranged in the three-phase separator, and a second conical gas storage chamber 4 is arranged at the upper end of the three-phase separator; the upper end sets up first toper gas storage jar in the inner loop adjustment jar 2, and circulation water collecting system 7 is connected to inner loop adjustment jar 2 one side upper portion, and one-level water distribution system 16 is connected to inner loop adjustment jar 2 one side lower extreme, and second grade water distribution system 15 is connected to pretreatment waste water gap 3, and biological gas processing apparatus 17 is connected jointly to second toper gas storage room 4 and first toper gas storage room 1 upper end.
The three-phase separator comprises a back flushing system 9, a diversion separation chamber 11 is partitioned between the back flushing system 9 and a secondary water distribution system 15, a sedimentation chamber 8 is arranged at the upper end of the back flushing system 9, an effluent weir 5 is arranged at the upper end of the sedimentation chamber 8, a water outlet pipe system 6 is arranged above the circulating water collecting system 7, the upper end of the water outlet pipe system 6 is connected with the effluent weir 5, and a second conical gas storage chamber 4 is reserved above the effluent weir 5. The tail end of the water outlet pipe system 6 is connected with an aerobic system 18, and the tail end of the back flush system 9 is connected with a back flush water inlet 19. A circulating feed pump 13 is arranged on a pipeline between the first conical gas storage chamber 1 and the primary water distribution system 16, and a wastewater feed pump 14 is arranged on a pipeline between the pretreatment wastewater port 3 and the secondary water distribution system 15. The position of the secondary water distribution system 15 is arranged between 10% and 30% higher than the bottom of the anaerobic bioreactor 12, and the water quantity distributed by the secondary water distribution system 15 is between 15% and 30% of the total water inflow. The diversion separating chamber 11 is provided with a diversion taper plate, the diversion taper plate comprises a direct current plate and a taper plate, the vertical tail end of the direct current plate is connected with the tip end of the taper plate, and the sedimentation chamber 8 is provided with an inclined plate or an inclined tube. A space is arranged between the outside of the three-phase separator and the anaerobic bioreactor 12, a stack of gas guiding devices 10 are symmetrically arranged on the inner wall of the anaerobic bioreactor 12, and the gas guiding devices 10 are positioned at the same height of the diversion separation chamber 11. The cavity formed by arranging a plurality of diversion separating plates 20 in parallel at a plurality of intervals is a diversion separating chamber 11, and the diversion separating plates 20 are arranged obliquely downwards from the inner wall of the anaerobic bioreactor 12.
The process flow shown in fig. 1 is as follows: an external internal circulation regulating tank is connected with the anaerobic bioreactor 12 through a water pipe, the wastewater and circulating water are mixed at a wastewater feeding pump 14 and a circulating feeding pump 13 at a water inlet of the anaerobic bioreactor 12, the wastewater feeding pump 14 pumps the wastewater and the circulating feeding pump into a secondary fluid distributor (a secondary water distribution system 15 and a primary water distribution system 16) at the lower part of the anaerobic bioreactor 12, the wastewater and the anaerobic organisms are mixed and reacted to form a gas-liquid-solid mixed liquid, the mixed liquid upwards flows through a three-phase separator to separate biogas and sludge from the wastewater, the wastewater is discharged out of the anaerobic bioreactor 12 through an effluent weir 5, the biogas is discharged to a biogas treatment device 17 from a second conical gas storage chamber 4 at the top of the anaerobic bioreactor 12, and the circulating water is led out of a circulating water collecting system 7 and is discharged into the internal circulation regulating tank 2.
The secondary fluid dispenser includes: the primary water distribution system 16 is arranged at the bottom layer inside the anaerobic bioreactor 12, jet water distribution or box water distribution can be adopted, and the secondary water distribution system 15 adopts horizontal flow water distribution. The wastewater, the circulating water and the anaerobic organisms are mixed to react to form a mixed solution of gas, liquid and solid, and the upward flow of the mixed solution passes through a three-phase separator.
The mixed liquid is subjected to gas-solid separation in the diversion separation chamber 11, the biogas ascends along the diversion separation plate 20 and flows through the gas guiding device 10, finally, the biogas is collected into the conical gas storage chamber at the top of the anaerobic bioreactor 12, the solid sludge sinks to the bottom of the anaerobic bioreactor 12 along the diversion separation chamber 11 formed by the diversion separation plate 20, the mixed liquid and the wastewater are continuously subjected to mixing reaction, and the wastewater continuously flows upwards in the three-phase separator and enters the circulating water collecting system 7.
The circulating water collecting system 7 is connected with the internal circulation adjusting tank 2 through a water pipe, the circulating water is discharged into the internal circulation adjusting tank 2 through gravity flow, and the wastewater continuously rises into the settling chamber 8. In the sedimentation chamber 8, the flocculent sludge which is not settled in the wastewater is further settled in the sedimentation chamber 8 to finish mud-water separation, and a small amount of biogas is continuously separated into gas and solid in the sedimentation chamber 8. The lower part of the sedimentation chamber 8 is provided with a back flushing system 9, and when the sedimentation chamber 8 or the separation diversion chamber is blocked, the circulating water is pumped by a circulating feed pump 13 to carry out back flushing in a reverse flow.
The wastewater after sedimentation flows out of the water outlet weir 5 at the top of the three-phase separator and is discharged out of the anaerobic bioreactor 12 through the water outlet pipe. The biogas rises to the first conical gas storage chamber 1 and the second conical gas storage chamber 4 of the anaerobic bioreactor 12, and the biogas separated from the internal circulation regulating tank 2 and the gas guiding device 10 is converged, and is discharged from the internal circulation regulating tank 2 and the anaerobic bioreactor 12 through the pipelines and converged to the biogas treatment device 17.
In the anaerobic bioreactor 12, partial internal circulation is carried out by gravity, the uncertainty of the circulating water quantity of the anaerobic bioreactor 12 is solved, the circulating water collecting system 7 is arranged at the upper part of the settling chamber 8 of the three-phase separator, and the problems that the surface load of the three-phase separator is too high and the weir load of the water outlet weir 5 is too high due to large-proportion circulating water of the gas internal circulation anaerobic bioreactor 12 and the forced external circulation anaerobic bioreactor 12 are effectively solved, the sludge loss of the anaerobic bioreactor 12 is reduced, and the effluent quality of the anaerobic bioreactor 12 is improved. The online back flushing is realized by the back flushing system 9 of the circulating water, and the impact of nitrogen back flushing on the system and the device is solved. The second conical gas storage chamber 4 is arranged at the top of the anaerobic bioreactor 12 to replace a plurality of degassing tanks, and the necessary components of other anaerobic bioreactors 12 such as a cover plate, a rising pipe, a descending pipe and the like of the anaerobic bioreactor 12 are omitted, so that the failure rate of the anaerobic bioreactor 12 is effectively reduced, and the investment is greatly saved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments and that the present utility model may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Claims (9)
1. An anaerobic biological reaction device for wastewater is characterized by comprising an anaerobic biological reactor (12) and an internal circulation regulating tank (2):
A first-stage water distribution system (16) is arranged at the lower end inside the anaerobic bioreactor (12), a second-stage water distribution system (15) is arranged at the upper end of the first-stage water distribution system (16), a three-phase separator is arranged at the upper end of the second-stage water distribution system (15), a water outlet pipe system (6) is arranged in the three-phase separator, and a second conical gas storage chamber (4) is arranged at the upper end of the three-phase separator;
The upper end sets up first toper gas storage jar in inner loop adjustment jar (2), circulating water collecting system (7) are connected on inner loop adjustment jar (2) one side upper portion, one-level water distribution system (16) are connected to inner loop adjustment jar (2) one side lower extreme, and second grade water distribution system (15) are connected in preliminary treatment waste water mouth (3), biological gas processing apparatus (17) are connected jointly to second toper gas storage room (4) and first toper gas storage room (1) upper end.
2. The anaerobic biological reaction device for wastewater according to claim 1, wherein the three-phase separator comprises a back flushing system (9), a diversion separation chamber (11) is separated between the back flushing system (9) and a secondary water distribution system (15), a settling chamber (8) is arranged at the upper end of the back flushing system (9), an effluent weir (5) is arranged at the upper end of the settling chamber (8), a water outlet pipe system (6) is arranged above the circulating water collection system (7), the upper end of the water outlet pipe system (6) is connected with the effluent weir (5), and a Fang Yuliu second conical gas storage chamber (4) is arranged on the effluent weir (5).
3. The anaerobic biological reactor for wastewater according to claim 2, wherein the tail end of the water outlet pipe system (6) is connected with an aerobic system (18), and the tail end of the back flushing system (9) is connected with a back flushing water inlet (19).
4. A wastewater anaerobic biological reaction apparatus according to claim 2, characterized in that a circulating feed pump (13) is arranged on a pipeline between the first conical gas storage chamber (1) and the primary water distribution system (16), and a wastewater feed pump (14) is arranged on a pipeline between the pretreatment wastewater port (3) and the secondary water distribution system (15).
5. A wastewater anaerobic biological reaction apparatus according to claim 2, characterized in that the secondary water distribution system (15) is arranged between 10% and 30% higher than the bottom of the anaerobic biological reactor (12), and the water quantity distributed by the secondary water distribution system (15) is between 15% and 30% of the total water inflow.
6. The anaerobic biological reactor for wastewater according to claim 2, wherein a diversion cone plate is arranged in the diversion separation chamber (11), the diversion cone plate comprises a direct current plate and a cone plate, and the vertical tail end of the direct current plate is connected with the tip of the cone plate.
7. An anaerobic biological reactor for waste water according to claim 2, wherein the sedimentation chamber (8) is provided with a sloping plate or a sloping pipe.
8. The anaerobic biological reactor for wastewater according to claim 2, wherein a space is arranged between the outside of the three-phase separator and the anaerobic biological reactor (12), a stack of gas guiding devices (10) are symmetrically arranged on the inner wall of the anaerobic biological reactor (12), and the gas guiding devices (10) are positioned in the same height of the diversion separation chamber (11).
9. The anaerobic biological reactor for wastewater according to claim 1, wherein a plurality of diversion separating plates (20) are arranged in parallel at a plurality of intervals to form a diversion separating chamber (11), and the diversion separating plates (20) are arranged obliquely downwards from the inner wall of the anaerobic biological reactor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323332026.XU CN221191855U (en) | 2023-12-06 | 2023-12-06 | Anaerobic biological reaction device for wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323332026.XU CN221191855U (en) | 2023-12-06 | 2023-12-06 | Anaerobic biological reaction device for wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221191855U true CN221191855U (en) | 2024-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323332026.XU Active CN221191855U (en) | 2023-12-06 | 2023-12-06 | Anaerobic biological reaction device for wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221191855U (en) |
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- 2023-12-06 CN CN202323332026.XU patent/CN221191855U/en active Active
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