CN220745559U - External circulation anaerobic reactor - Google Patents
External circulation anaerobic reactor Download PDFInfo
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- CN220745559U CN220745559U CN202322050264.5U CN202322050264U CN220745559U CN 220745559 U CN220745559 U CN 220745559U CN 202322050264 U CN202322050264 U CN 202322050264U CN 220745559 U CN220745559 U CN 220745559U
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- separator
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- 239000007788 liquid Substances 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 69
- 230000000630 rising effect Effects 0.000 claims description 9
- 244000309464 bull Species 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 abstract description 15
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 239000010802 sludge Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model belongs to the technical field of reactors, in particular to an external circulation anaerobic reactor, which comprises a reactor main body, wherein a gas-liquid separator is arranged at the top of the reactor main body, a primary separator and a secondary separator are arranged in the reactor main body, ascending pipes are connected to the primary separator and the secondary separator, overflow pipes are arranged on the side surfaces of the reactor main body, a uniform mixing distribution mechanism is arranged in the reactor main body and comprises an impeller bin, a feeding pipe is connected to the side surface of the impeller bin, a mixing bin is rotatably arranged at the top of the impeller bin through a sealing bearing, a mounting rod is arranged in the impeller bin, a rotating rod is sleeved on the outer side of the mounting rod, an impeller is sleeved on the outer side of the rotating rod, and stirring blades are fixedly arranged on the outer side of the rotating rod.
Description
Technical Field
The utility model belongs to the technical field of reactors, and particularly relates to an external circulation anaerobic reactor.
Background
The external circulation anaerobic reactor is a high-speed anaerobic reactor for treating wastewater by adopting a biological method, fully utilizes the anaerobic granular sludge technology, provides a sufficient rising flow rate for the reactor through external circulation, keeps the expansion of a granular sludge bed and the mixing inside the reactor, improves the treatment efficiency of the reactor, but when the reactor is used, wastewater is discharged into the reactor and directly accumulated at the bottom of the reactor, the condition of uneven solid-liquid distribution is easy to occur, and the sludge is slowly rising at the bottom of the reactor.
Disclosure of Invention
In view of the above problems, an object of the present utility model is to: the external circulation anaerobic reactor can uniformly distribute solid and liquid in feed liquid entering the reactor, uniformly distribute the feed liquid to the inside of the reactor main body, and can also avoid the conditions of sludge accumulation, agglomeration and the like at the bottom of the reactor main body.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an outer loop anaerobic reactor, includes the reactor main part, the gas-liquid separator is installed at the top of reactor main part, the inside of reactor main part is equipped with one-level separator and second grade separator, all be connected with the tedge on the one-level separator and the second grade separator, the side of reactor main part is equipped with the overflow pipe, the side of reactor main part still is connected with heating cycle device, the inside of reactor main part is equipped with evenly mixing cloth mechanism, evenly mixing cloth mechanism includes the impeller storehouse, the side in impeller storehouse is connected with the inlet pipe, the top in impeller storehouse is rotated through sealed bearing and is installed the mixing storehouse, the internally mounted in impeller storehouse has the installation pole, the bull stick has been cup jointed in the outside of installation pole, the outside of bull stick has been cup jointed the impeller, the outside fixed mounting of bull stick has the stirring paddle, the top outside of bull stick is equipped with first gear, the side in mixing storehouse is connected with six cloth pipes, the internally mounted in mixing storehouse has the internal gear circle.
The beneficial effects of the utility model are as follows: when the device is used, materials are input into the impeller bin through the feeding pipe, the impeller is driven to rotate through water flow, the rotation of the impeller drives the rotating rod to rotate, so that the stirring blade is driven to rotate, the stirring blade is utilized to stir and mix feed liquid entering the mixing bin, so that solid and liquid in the feed liquid are uniformly distributed, the rotation of the rotating rod simultaneously drives the first gear to rotate, the first gear drives the second gear to rotate, so that the inner gear ring is driven to rotate, the mixing bin is driven to rotate, the six liquid distribution pipes rotate along with the rotation of the mixing bin to uniformly distribute the feed liquid overflowed from the mixing bin into the reactor main body,
the controllable electric three-way valve is communicated with the overflow pipe and the water tank, so that redundant waste water flows into the water tank for temporary storage, the electric three-way valve is controlled to be normally communicated with the overflow pipe and the drainage pipeline after the water tank is full, when the water quantity input into the feeding pipe is reduced, the water in the water tank is pumped into the second circulating pipe through the water pump, the water flow is ensured not to be too small through the circulating pump, and the conditions that the water flow rises slowly due to insufficient water supply at the bottom of the reactor, sludge is accumulated and agglomerated at the bottom of the main body of the reactor and the like are further avoided.
To support the reactor body:
as a further improvement of the above technical scheme: the bottom of the reactor main body is provided with a supporting frame.
The beneficial effects of this improvement are: the support frame is used for supporting the reactor main body.
In order to avoid slow water flow rise at the bottom of the reactor due to insufficient water supply when the amount of water input into the feed pipe is reduced:
as a further improvement of the above technical scheme: one end of the overflow pipe is provided with an electric three-way valve, and the bottom of the electric three-way valve is connected with the water tank through a pipeline. The side of the water tank is connected with a water pump.
The beneficial effects of this improvement are: the controllable electric three-way valve is communicated with the overflow pipe and the water tank, so that redundant waste water flows into the water tank for temporary storage, the electric three-way valve is controlled to be normally communicated with the overflow pipe and the drainage pipeline after the water tank is full, when the water quantity input into the feeding pipe is reduced, the water in the water tank is pumped into the second circulating pipe through the water pump, the water flow is ensured not to be too small through the circulating pump, and the conditions that the water flow rises slowly due to insufficient water supply at the bottom of the reactor, sludge is accumulated and agglomerated at the bottom of the main body of the reactor and the like are further avoided.
For the reflux recycling of the wastewater:
as a further improvement of the above technical scheme: the heating circulation device comprises a first circulation pipe, one end of the first circulation pipe is connected with a heater, a second circulation pipe is arranged at the bottom of the heater, one end of the second circulation pipe is connected with a circulation pump, one end of the circulation pump is connected with a third circulation pipe, one end of the third circulation pipe is connected with a feeding pipe, and the side face of the second circulation pipe is connected with a water pump through a pipeline.
The beneficial effects of this improvement are: the liquid in the reactor body can be pumped out through the first circulation pipe by the circulation pump, heated by the heater, pumped into the circulation pump through the second circulation pipe, and then input into the feed pipe through the third circulation pipe.
For the backflow of wastewater and the discharge of biogas:
as a further improvement of the above technical scheme: the top of the rising pipe penetrates into the gas-liquid separator, a biogas exhaust pipe is arranged at the top of the gas-liquid separator, and a return pipe is connected to the bottom of the gas-liquid separator.
The beneficial effects of this improvement are: biogas and sewage enter the gas-liquid separator through the ascending pipe, the biogas is discharged through the biogas exhaust pipe, and liquid entering the gas-liquid separator flows back into the reactor main body through the return pipe.
In order to close the top of the mixing chamber and drive the internal gear ring:
as a further improvement of the above technical scheme: the top of installation pole is installed and is sealed the board, the pivot is installed to the bottom of sealed board, the bottom of pivot is connected with the second gear.
The beneficial effects of this improvement are: the top of the mixing bin is sealed by the sealing plate, and the sealing plate cannot rotate, so that the second gear can be driven by the first gear to rotate so as to drive the inner gear ring to rotate.
To seal between the closure plate and the mixing chamber:
as a further improvement of the above technical scheme: the bottom of the sealing plate is provided with a sealing ring, and the top of the mixing bin is provided with a sealing ring groove.
The beneficial effects of this improvement are: the sealing ring and the sealing ring groove are matched to seal between the sealing plate and the mixing bin.
In order to drive the mixing bin to rotate:
as a further improvement of the above technical scheme: the first gear and the second gear are meshed, and the second gear and the inner gear ring are meshed.
The beneficial effects of this improvement are: the rotation of the first gear drives the second gear to rotate, so that the internal gear ring is driven to rotate, and the mixing bin is driven to rotate.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic elevational cross-sectional view of the present utility model;
FIG. 2 is an isometric view of a uniformly mixed distributing mechanism according to the present utility model;
FIG. 3 is a schematic view of the axial sectional structure of the uniform mixing and distributing mechanism of the present utility model;
FIG. 4 is a schematic view of a bottom cutaway mechanism of the homogeneous mixing cloth mechanism of the present utility model;
FIG. 5 is an enlarged view of the structure of the portion A according to the present utility model;
FIG. 6 is a schematic top view of the present utility model;
in the figure: 1. a reactor body; 2. a gas-liquid separator; 3. a primary separator; 4. a secondary separator; 5. a rising pipe; 6. a seal ring groove; 7. an overflow pipe; 8. a heating circulation device; 9. a uniform mixing and distributing mechanism; 10. an impeller bin; 11. a feed pipe; 12. a mixing bin; 13. a mounting rod; 14. a rotating rod; 15. an impeller; 16. stirring paddles; 17. a first gear; 18. a liquid distribution pipe; 19. an inner gear ring; 20. a support frame; 21. an electric three-way valve; 22. a water tank; 23. a water pump; 24. a first circulation pipe; 25. a heater; 26. a second circulation pipe; 27. a circulation pump; 28. a third circulation pipe; 29. a biogas exhaust pipe; 30. a return pipe; 31. a closing plate; 32. a rotating shaft; 33. a second gear; 34. and (3) sealing rings.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.
As shown in fig. 1-6, an external circulation anaerobic reactor comprises a reactor main body 1, wherein a gas-liquid separator 2 is arranged at the top of the reactor main body 1, a primary separator 3 and a secondary separator 4 are arranged in the reactor main body 1, a riser pipe 5 is connected to the primary separator 3 and the secondary separator 4, an overflow pipe 7 is arranged on the side surface of the reactor main body 1, a heating circulation device 8 is also connected to the side surface of the reactor main body 1, a uniform mixing distribution mechanism 9 is arranged in the reactor main body 1, the uniform mixing distribution mechanism 9 comprises an impeller bin 10, a feed pipe 11 is connected to the side surface of the impeller bin 10, a mixing bin 12 is rotatably arranged at the top of the impeller bin 10 through a sealing bearing, a mounting rod 13 is arranged in the impeller bin 10, a rotating rod 14 is sleeved on the outer side of the mounting rod 13, the utility model relates to a stirring device, which comprises a rotating rod 14, an impeller 15 sleeved on the outer side of the rotating rod 14, a stirring blade 16 fixedly arranged on the outer side of the rotating rod 14, a first gear 17 arranged on the outer side of the top end of the rotating rod 14, six liquid distribution pipes 18 connected to the side surface of the mixing bin 12, an internal gear ring 19 arranged in the mixing bin 12, wherein when the stirring device is used, materials are input into the impeller bin 10 through a feed pipe 11, the impeller 15 is driven to rotate by water flow, the rotation of the impeller 15 drives the rotating rod 14 to rotate, so as to drive the stirring blade 16 to stir and mix feed liquid entering the mixing bin 12 by the stirring blade 16, so that solid and liquid in the feed liquid are uniformly distributed, the rotation of the rotating rod 14 simultaneously drives the first gear 17 to rotate, the first gear 17 drives a second gear 33 to rotate, so as to drive the internal gear ring 19 to rotate, and further drive the mixing bin 12 to rotate, the rotation of the mixing bin 12 makes six liquid distribution pipes 18 rotate along with the rotation of the mixing bin 12 to uniformly distribute and spray the liquid overflowed from the mixing bin 12 into the reactor main body 1, the liquid in the reactor main body 1 is pumped out through the circulating pump 27 through the first circulating pipe 24, the liquid is pumped into the circulating pump 27 through the second circulating pipe 26 after being heated by the heater 25, then the liquid is input into the feeding pipe 11 through the third circulating pipe 28, the water inlet flow can be improved, the situation that the water flow at the bottom of the reactor is slowly increased due to insufficient water supply, sludge is accumulated, agglomerated and the like at the bottom of the reactor main body 1 is avoided, a supporting frame 20 is arranged at the bottom of the reactor main body 1, the supporting frame 20 is used for supporting the reactor main body 1, one end of the overflow pipe 7 is provided with an electric three-way valve 21, and the bottom of the electric three-way valve 21 is connected with a water tank 22 through a pipeline. The side of the water tank 22 is connected with a water pump 23, the electric three-way valve 21 can be controlled to communicate the overflow pipe 7 with the water tank 22, so that redundant waste water flows into the water tank 22 for temporary storage, the electric three-way valve 21 is controlled to normally communicate the overflow pipe 7 with a water drainage pipeline after the water tank 22 is full, when the water quantity input into the feeding pipe 11 is reduced, the water in the water tank 22 can be pumped into a second circulating pipe 26 through the water pump 23, the water flow is ensured not to be too small by injecting the circulating pump 27 into the feeding pipe 11, the situation that the water flow at the bottom of the reactor rises slowly due to insufficient water supply, sludge is accumulated, agglomerated and the like at the bottom of the reactor main body 1 is further avoided, the heating circulating device 8 comprises a first circulating pipe 24, one end of the first circulating pipe 24 is connected with a heater 25, the bottom of the heater 25 is provided with a second circulating pipe 26, one end of the second circulating pipe 26 is connected with the circulating pump 27, one end of the circulating pump 27 is connected with a third circulating pipe 28, one end of the third circulating pipe 28 is connected with the feeding pipe 11, the side surface of the second circulating pipe 26 is connected with the water pump 23 through a pipeline, liquid in the reactor main body 1 can be pumped out through the first circulating pipe 24 by the circulating pump 27, heated by the heater 25 and pumped into the circulating pump 27 through the second circulating pipe 26, then is input into the feeding pipe 11 through the third circulating pipe 28, the top of the rising pipe 5 penetrates into the gas-liquid separator 2, a methane exhaust pipe 29 is arranged at the top of the gas-liquid separator 2, a return pipe 30 is connected at the bottom of the gas-liquid separator 2, methane and sewage enter the gas-liquid separator 2 through the rising pipe 5 and are discharged through the methane exhaust pipe 29, and the liquid entering the gas-liquid separator 2 flows back into the reactor main body 1 through the return pipe 30, the sealing plate 31 is installed at the top of installation pole 13, pivot 32 is installed to the bottom of sealing plate 31, the bottom of pivot 32 is connected with second gear 33, and sealing plate 31 seals the top of mixing bin 12, because it can't rotate by itself, makes second gear 33 can be driven by first gear 17 and rotate and then drive the internal gear circle 19 and rotate, the bottom of sealing plate 31 is equipped with sealing washer 34, the top of mixing bin 12 is equipped with sealing washer groove 6, sealing washer 34 and sealing washer groove 6 cooperation seal between sealing plate 31 and mixing bin 12, mesh between first gear 17, second gear 33, mesh between second gear 33 and the internal gear circle 19, the rotation of first gear 17 drives second gear 33 and rotates to drive the internal gear circle 19 and rotate, and then drive mixing bin 12.
The working principle and the using flow of the utility model are as follows: when the device is used, materials are input into the impeller bin 10 through the feeding pipe 11, the impeller 15 is driven to rotate through water flow, the rotation of the impeller 15 drives the rotating rod 14 to rotate, so that the stirring blade 16 is driven to rotate, the stirring blade 16 is utilized to stir and mix the materials entering the mixing bin 12, so that solid and liquid in the materials are uniformly distributed, the rotation of the rotating rod 14 simultaneously drives the first gear 17 to rotate, the first gear 17 drives the second gear 33 to rotate, so that the inner gear ring 19 is driven to rotate, the mixing bin 12 is driven to rotate, the six liquid distribution pipes 18 rotate along with the rotation of the mixing bin 12 to uniformly distribute the materials overflowed from the mixing bin 12 into the reactor main body 1, the materials are blocked and separated through the primary separator 3 and the secondary separator 4 along with the rising of the liquids, so that methane and sewage enter the gas-liquid separator 2 through the rising pipe 5, biogas is discharged through a biogas exhaust pipe 29, liquid entering the gas-liquid separator 2 flows back into the reactor body 1 through a return pipe 30, liquid in the reactor body 1 can be pumped out through a circulating pump 27 through a first circulating pipe 24, heated by a heater 25 and pumped into the circulating pump 27 through a second circulating pipe 26, and then is input into a feed pipe 11 through a third circulating pipe 28, so that the inflow rate can be increased, the situation that the water flow at the bottom of the reactor rises slowly due to insufficient water supply, sludge is accumulated, agglomerated and the like at the bottom of the reactor body 1 is avoided, when the water level in the reactor body 1 is higher than that of an overflow pipe 7, water is discharged through the overflow pipe 7, the electric three-way valve 21 can be controlled to be communicated with the overflow pipe 7 and a water tank 22, redundant waste water flows into the water tank 22 for temporary storage, the electric three-way valve 21 is controlled to be normally communicated with the overflow pipe 7 and a drainage pipeline after the water tank 22 is full, when the water quantity input into the feeding pipe 11 is reduced, the water in the water tank 22 can be pumped into the second circulating pipe 26 through the water pump 23, and the water is injected into the feeding pipe 11 through the circulating pump 27, so that the water flow is not too low, and the conditions that the water flow rises slowly due to insufficient water supply at the bottom of the reactor, sludge is accumulated and agglomerated at the bottom of the reactor main body 1 and the like are further avoided.
Claims (8)
1. An external circulation anaerobic reactor, characterized in that: including reactor main part (1), gas-liquid separator (2) are installed at the top of reactor main part (1), the inside of reactor main part (1) is equipped with one-level separator (3) and second grade separator (4), all be connected with riser (5) on one-level separator (3) and second grade separator (4), the side of reactor main part (1) is equipped with overflow pipe (7), the side of reactor main part (1) still is connected with heating circulating device (8), the inside of reactor main part (1) is equipped with evenly mixed cloth mechanism (9), evenly mixed cloth mechanism (9) include impeller storehouse (10), the side of impeller storehouse (10) is connected with inlet pipe (11), the top of impeller storehouse (10) is through sealed bearing rotation install mixing storehouse (12), internally mounted in impeller storehouse (10) has installation pole (13), the outside of installation pole (13) has bull stick (14), impeller (15) have been cup jointed in the outside of bull stick (14), the outside of bull stick (14) is equipped with evenly mixed cloth mechanism (10), the outside of impeller (14) is equipped with six root of a root of being connected with (17) side of impeller storehouse (12), an inner gear ring (19) is arranged in the mixing bin (12).
2. An external circulation anaerobic reactor according to claim 1, wherein: the bottom of the reactor main body (1) is provided with a supporting frame (20).
3. An external circulation anaerobic reactor according to claim 1, wherein: one end of the overflow pipe (7) is provided with an electric three-way valve (21), the bottom of the electric three-way valve (21) is connected with a water tank (22) through a pipeline, and the side surface of the water tank (22) is connected with a water pump (23).
4. An external circulation anaerobic reactor according to claim 1, wherein: the heating circulation device (8) comprises a first circulation pipe (24), one end of the first circulation pipe (24) is connected with a heater (25), a second circulation pipe (26) is arranged at the bottom of the heater (25), one end of the second circulation pipe (26) is connected with a circulation pump (27), one end of the circulation pump (27) is connected with a third circulation pipe (28), one end of the third circulation pipe (28) is connected with a feeding pipe (11), and the side face of the second circulation pipe (26) is connected with a water pump (23) through a pipeline.
5. An external circulation anaerobic reactor according to claim 1, wherein: the top of the rising pipe (5) penetrates into the gas-liquid separator (2), a biogas exhaust pipe (29) is arranged at the top of the gas-liquid separator (2), and a return pipe (30) is connected to the bottom of the gas-liquid separator (2).
6. An external circulation anaerobic reactor according to claim 1, wherein: the top of installation pole (13) is installed and is sealed board (31), pivot (32) are installed to the bottom of sealed board (31), the bottom of pivot (32) is connected with second gear (33).
7. An external circulation anaerobic reactor according to claim 6, wherein: the bottom of the sealing plate (31) is provided with a sealing ring (34), and the top of the mixing bin (12) is provided with a sealing ring groove (6).
8. An external circulation anaerobic reactor according to claim 6, wherein: the first gear (17) and the second gear (33) are meshed, and the second gear (33) and the inner gear ring (19) are meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322050264.5U CN220745559U (en) | 2023-08-01 | 2023-08-01 | External circulation anaerobic reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322050264.5U CN220745559U (en) | 2023-08-01 | 2023-08-01 | External circulation anaerobic reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220745559U true CN220745559U (en) | 2024-04-09 |
Family
ID=90555145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322050264.5U Active CN220745559U (en) | 2023-08-01 | 2023-08-01 | External circulation anaerobic reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220745559U (en) |
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2023
- 2023-08-01 CN CN202322050264.5U patent/CN220745559U/en active Active
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