CN220845738U - Anaerobic UASB sewage treatment system - Google Patents
Anaerobic UASB sewage treatment system Download PDFInfo
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- CN220845738U CN220845738U CN202322565886.1U CN202322565886U CN220845738U CN 220845738 U CN220845738 U CN 220845738U CN 202322565886 U CN202322565886 U CN 202322565886U CN 220845738 U CN220845738 U CN 220845738U
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- tank
- uasb
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- water distribution
- anaerobic
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- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 title claims abstract description 50
- 239000010865 sewage Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 239000002351 wastewater Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 14
- 210000005056 cell body Anatomy 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 239000010802 sludge Substances 0.000 abstract description 7
- 238000003756 stirring Methods 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 30
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses an anaerobic UASB sewage treatment system which comprises a production wastewater regulating tank, a UASB anaerobic tank and a lifting pump arranged in the production wastewater regulating tank, wherein the output end of the lifting pump is upwards connected with a transmission water pipe, the transmission water pipe upwards extends to the top of the UASB anaerobic tank and downwards and detachably connected with a plurality of vertically arranged water distribution pipes, each water distribution pipe is provided with a plurality of water outlets, a plurality of three-phase separators are arranged in the UASB anaerobic tank and close to an opening, a penetrating space of the water distribution pipes is reserved between the three-phase separators, the top of the USAB anaerobic tank is provided with a tank cover plate, and one side of the tank cover plate is provided with an overflow port. The anaerobic UASB sewage treatment system solves the problems that the sludge stirring effect in the tank is poor, the water distribution pipeline is blocked or broken, the replacement is troublesome, and the distribution of the water distribution pipe cannot be timely adjusted and optimized according to the water inlet condition.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to an anaerobic UASB sewage treatment system.
Background
The UASB reactor for sewage treatment is a common anaerobic reactor, and is characterized by that the sewage is passed through UASB from bottom to top, and the bottom of the reactor is equipped with a high-concentration high-activity sludge bed, and most of organic pollutant in the sewage is degraded into methane and carbon dioxide by means of anaerobic fermentation. The anaerobic reactor of UASB mainly comprises a water distribution system, a three-phase separator, a water outlet collecting system and a mud discharging system.
The existing UASB design has uneven water inlet and distribution, larger sewage concentration deviation in the tank and poor sludge mixing and stirring effect in the tank caused by uneven water distribution, serious sewage deposition and bridging in the tank, and unstable water quality of the effluent. As shown in FIG. 1, due to the existence of a three-phase separator at the top, the existing process design is that water enters from the bottom of the tank, and a water supplementing pipe is arranged at the bottom of the tank; when the water distribution pipeline is blocked or broken, the whole anaerobic tank is pumped out, cleaned and replaced, the engineering quantity is large, and the potential safety hazard is very large. The existing designed sewage system has poor capability of adapting to different working conditions, and can not timely adjust and optimize the distribution of the water distribution pipes and the water distribution holes according to the water inlet condition so as to achieve the optimal operation working condition.
Disclosure of Invention
The utility model aims to provide an anaerobic UASB sewage treatment system which is used for solving the problems that in the prior art, sludge stirring effect in a water distribution non-uniform tank is poor, water distribution pipelines are troublesome to replace when blocked or broken, and distribution of water distribution pipes cannot be timely adjusted and optimized according to water inlet conditions.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides an anaerobic UASB sewage treatment system, includes waste water equalizing basin, UASB anaerobic tank and sets up the elevator pump in waste water equalizing basin, the output of elevator pump upwards is connected with the transmission water pipe, transmission water pipe upwards extends to UASB anaerobic tank top to can dismantle downwards and be connected with a plurality of vertical layout's water distribution pipe, every a plurality of apopores have been seted up on the water distribution pipe, the inside of UASB anaerobic tank is provided with a plurality of three-phase separator near open-ended position, leave the space of crossing of water distribution pipe between the three-phase separator, the top of UASB anaerobic tank is provided with the cell body apron, cell body apron one side is provided with the overflow mouth.
The working process and principle of the structure are as follows:
The water distribution pipes are uniformly distributed in the UASB anaerobic tank at equal intervals and are connected with the transmission water pipes, then the lifting pump transmits the wastewater in the production wastewater regulating tank into each water distribution pipe through the transmission water pipe, and according to the water inlet condition, the positions of the water distribution pipes can be conveniently replaced according to the adjustment of the sewage running load, so that the sewage system can adapt to various working conditions; when the water distribution pipe is blocked or broken, the corresponding water distribution pipe is only required to be disassembled to replace a new water distribution pipe, the whole UASB anaerobic tank is not required to be pumped out, cleaned and replaced, the engineering quantity is small, potential safety hazards are avoided, and the problem that methane gas cannot be effectively collected is solved through the arrangement of the tank cover plate.
Further, the diameters of the water outlet holes on each water distribution pipe are sequentially increased from top to bottom.
The diameters of the water outlet holes on the water distribution pipe are gradually increased from top to bottom to match with the equal interval distribution of the water distribution pipe, so that the water distribution is more uniform, the sludge mixing and stirring effect in the tank is ensured to be good, the sewage deposition and bridging conditions in the tank are reduced, and the water quality of the discharged water is stable.
Further, sealing bulges are formed in the middle of the lower surface of the tank cover plate, the edges of the sealing bulges are tightly attached to the inner wall of the UASB anaerobic tank, the tank cover plate is connected with an exhaust pipe, a through hole is formed in the tank cover plate at the position corresponding to each water distribution pipe, and the water distribution pipes penetrate through the through holes and are in sealing connection with the through holes.
The sealing bulge is arranged, so that the tightness between the tank cover plate and the UASB anaerobic tank is ensured, methane gas is discharged through the exhaust pipe, the methane gas is conveniently and effectively collected, the sealing arrangement of the through holes is beneficial to the water distribution pipe to penetrate and simultaneously ensure the tightness of the tank cover plate, and methane gas leakage is prevented.
Furthermore, the adjacent water distribution pipes are distributed in the UASB anaerobic tank at equal intervals in a rectangular array, and the water transmission pipes form a uniformly distributed pipe network above the tank cover plate.
The transmission water pipes form a uniformly distributed pipe network above the tank cover plate, so that the positions of the water distribution pipes can be conveniently replaced according to the adjustment of the sewage running load, and the sewage system is ensured to be suitable for various working conditions.
Further, a gas space is formed between the three-phase separator and the tank cover plate.
The gas space between the three-phase separator and the tank cover plate can effectively collect methane gas and lead the methane gas to be collected.
The beneficial effects are that: according to the utility model, the water distribution pipes are uniformly distributed in the UASB anaerobic tank at equal intervals and are connected with the transmission water pipes, then the lifting pump transmits the wastewater in the production wastewater regulating tank into each water distribution pipe through the transmission water pipe, and according to the water inlet condition, the positions of the water distribution pipes can be conveniently replaced according to the adjustment of the sewage running load, so that the sewage system can adapt to various working conditions; when the water distribution pipe is blocked or broken, the corresponding water distribution pipe is only required to be disassembled to replace a new water distribution pipe, the whole anaerobic tank is not required to be pumped out, cleaned and replaced, the engineering quantity is small, potential safety hazards are avoided, and the problem that methane gas cannot be effectively collected is solved through the arrangement of the tank cover plate.
Drawings
FIG. 1 is a schematic diagram of a conventional UASB reactor;
FIG. 2 is a front view showing the internal structure of the UASB reactor of the present utility model;
FIG. 3 is a top view of the cell cover plate of the present utility model;
fig. 4 is a schematic structural view of a water distribution pipe according to the present utility model.
Reference numerals: 1. a production wastewater regulating tank; 2. UASB anaerobic tank; 3. a lift pump; 4. a transmission water pipe; 5. a water distribution pipe; 6. a water outlet hole; 7. a three-phase separator; 8. a pool cover plate; 9. an overflow port; 10. a sealing protrusion; 11. an exhaust pipe; 12. a through hole; 13. a gas space.
Description of the embodiments
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.
Detailed Description
As shown in fig. 2-4, this embodiment provides an anaerobic UASB sewage treatment system, including waste water equalizing basin 1, UASB anaerobic basin 2 and elevator pump 3 of setting in waste water equalizing basin 1, the output of elevator pump 3 upwards is connected with transmission water pipe 4, transmission water pipe 4 upwards extends to UASB anaerobic basin 2 top, and equally spaced apart a plurality of branching sections of having divided, every branching section is connected with a plurality of vertically arranged's water distribution pipe 5 downwards in a detachable way, a plurality of apopores 6 have been seted up on every water distribution pipe 5, the inside of UASB anaerobic basin 2 is close to open-ended position and is provided with a plurality of three-phase separator 7, leave the space of crossing of water distribution pipe 5 between the three-phase separator 7, the top of UASB anaerobic basin 2 is provided with cell body apron 8, cell body apron 8 one side is provided with overflow mouth 9.
The working process and principle of the structure are as follows:
The water distribution pipes 5 are uniformly distributed in the UASB anaerobic tank 2 at equal intervals and are connected with the transmission water pipes 4, then the lifting pump 3 transmits the wastewater in the production wastewater regulating tank 1 into each water distribution pipe 5 through the transmission water pipe 4, and according to the water inlet condition, the positions of the water distribution pipes 5 can be conveniently replaced according to the adjustment of the sewage running load, so that the sewage system can adapt to various working conditions; when the water distribution pipe 5 is blocked or broken, the corresponding water distribution pipe 5 is only required to be disassembled to replace the new water distribution pipe 5, the whole UASB anaerobic tank 2 is not required to be pumped out, cleaned and replaced, the engineering quantity is small, potential safety hazards are avoided, and the problem that methane gas cannot be effectively collected is solved through the arrangement of the tank cover plate 8.
In another embodiment of the present utility model, as shown in fig. 4, the water outlet 6 of each water distribution pipe 5 is sequentially increased in diameter from top to bottom.
The diameters of the water outlet holes 6 on the water distribution pipe 5 from top to bottom are gradually increased to match with the equal interval distribution of the water distribution pipe 5, so that the water distribution is more uniform, the sludge mixing and stirring effect in the tank is ensured to be good, the sewage deposition and bridging conditions in the tank are reduced, and the water quality of the discharged water is stable.
In another embodiment of the utility model, as shown in fig. 2, a sealing protrusion 10 is formed in the middle of the lower surface of the tank cover plate 8, the edge of the sealing protrusion 10 is tightly attached to the inner wall of the UASB anaerobic tank 2, the tank cover plate 8 is connected with an exhaust pipe 11, a through hole 12 is formed in the tank cover plate 8 at a position corresponding to each water distribution pipe 5, and the water distribution pipes 5 penetrate through the through holes 12 and are in sealing connection with the through holes 12.
The sealing bulge 10 ensures the tightness between the tank cover plate 8 and the UASB anaerobic tank 2, methane gas is discharged through the exhaust pipe 11, so that the methane gas is conveniently and effectively collected, and the sealing arrangement of the through hole 12 is beneficial to the water distribution pipe 5 to penetrate and ensure the tightness of the tank cover plate 8 at the same time, so that methane gas leakage is prevented.
In another embodiment of the utility model, as shown in fig. 3, adjacent water distribution pipes 5 are distributed in the UASB anaerobic tank 2 at equal intervals in a rectangular array, and the water transmission pipes 4 form a uniformly distributed pipe network above the tank cover plate 8.
The transmission water pipe 4 forms a uniformly distributed pipe network above the tank cover plate 8, and the position of the water distribution pipe 5 can be conveniently replaced according to the adjustment of the sewage running load, so that the sewage system can adapt to various working conditions.
In another embodiment of the utility model, as shown in fig. 2, a gas space 13 is formed between the three-phase separator 7 and the cell cover 8.
The gas space 13 between the three-phase separator 7 and the tank cover plate 8 can effectively collect methane gas and collect the methane gas.
A treatment method of an anaerobic UASB sewage treatment system comprises the following steps:
s1, uniformly distributing water distribution pipes 5 in a UASB anaerobic tank 2 at equal intervals, and connecting the water distribution pipes with a transmission water pipe 4;
S2, the lifting pump 3 transmits the wastewater in the production wastewater regulating tank 1 into each water distribution pipe 5 through the transmission water pipe 4;
S3, as the diameters of the water outlet holes 6 on the water distribution pipe 5 from top to bottom are gradually increased to match with the equidistant distribution of the water distribution pipe 5, the water distribution is more uniform, and the sludge mixing and stirring effect in the tank is ensured to be good;
And S4, methane gas generated by the three-phase separator 7 is collected below the tank cover plate 8 and is discharged from the exhaust pipe 11 of the tank cover plate 8, and purified tank water is conveyed to the aeration tank through the overflow port 9.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides an anaerobic UASB sewage treatment system, includes waste water equalizing basin, UASB anaerobic tank and sets up the elevator pump in waste water equalizing basin, its characterized in that, the output of elevator pump upwards is connected with the transmission water pipe, the transmission water pipe upwards extends to UASB anaerobic tank top to can dismantle downwards and be connected with a plurality of vertical layout's water distribution pipe, every a plurality of apopores have been seted up on the water distribution pipe, the inside of UASB anaerobic tank is provided with a plurality of three-phase separator near open-ended position, leave the space of crossing of water distribution pipe between the three-phase separator, the top of UASB anaerobic tank is provided with the cell body apron, cell body apron one side is provided with the overflow mouth.
2. An anaerobic UASB sewage treatment system according to claim 1, wherein the water outlet holes in each of the water distribution pipes are sequentially increased in diameter from top to bottom.
3. The anaerobic UASB sewage treatment system according to claim 2, wherein a sealing protrusion is formed in the middle of the lower surface of the tank cover plate, the edge of the sealing protrusion is tightly attached to the inner wall of the UASB anaerobic tank, the tank cover plate is connected with an exhaust pipe, a through hole is formed in the tank cover plate at a position corresponding to each water distribution pipe, and the water distribution pipe penetrates through the through hole and is in sealing connection with the through hole.
4. An anaerobic UASB sewage treatment system according to claim 3, wherein adjacent water distribution pipes are distributed in the UASB anaerobic tank at equal intervals in a rectangular array, and the water transmission pipes form a uniformly distributed pipe network above the tank cover plate.
5. An anaerobic UASB sewage treatment system according to claim 1, wherein a gas space is formed between the three-phase separator and the tank cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322565886.1U CN220845738U (en) | 2023-09-21 | 2023-09-21 | Anaerobic UASB sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322565886.1U CN220845738U (en) | 2023-09-21 | 2023-09-21 | Anaerobic UASB sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220845738U true CN220845738U (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322565886.1U Active CN220845738U (en) | 2023-09-21 | 2023-09-21 | Anaerobic UASB sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220845738U (en) |
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2023
- 2023-09-21 CN CN202322565886.1U patent/CN220845738U/en active Active
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