CN220056525U - Efficient UASB anaerobic reactor for sludge separation - Google Patents
Efficient UASB anaerobic reactor for sludge separation Download PDFInfo
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- CN220056525U CN220056525U CN202321602186.9U CN202321602186U CN220056525U CN 220056525 U CN220056525 U CN 220056525U CN 202321602186 U CN202321602186 U CN 202321602186U CN 220056525 U CN220056525 U CN 220056525U
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- phase separator
- liquid distribution
- gas collecting
- inverted
- tank body
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- 239000010802 sludge Substances 0.000 title claims abstract description 69
- 238000000926 separation method Methods 0.000 title claims abstract description 23
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 title claims abstract 9
- 239000007788 liquid Substances 0.000 claims abstract description 98
- 239000010865 sewage Substances 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000005352 clarification Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 238000004062 sedimentation Methods 0.000 abstract description 16
- 230000009286 beneficial effect Effects 0.000 abstract description 15
- 239000002245 particle Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010517 secondary reaction Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002351 wastewater 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 utility model relates to a UASB anaerobic reactor for high-efficiency sludge separation, belonging to the technical field of sewage treatment. The liquid distribution coil pipe is arranged at the bottom of the tank body, a liquid inlet of the liquid distribution coil pipe is connected with the sewage tank through a liquid inlet pulse pump, liquid distribution holes are uniformly formed in the liquid distribution coil pipe, the primary three-phase separator and the secondary three-phase separator are arranged in the tank body, and exhaust pipes of the primary three-phase separator and the secondary three-phase separator are discharged from the top of the tank body and are connected with the gas collecting device; a liquid discharge recovery pipe is arranged on the side wall of the top of the tank body 1; the liquid distribution coil pipe and the pulse pump liquid inlet are adopted, the pulse force of the pulse liquid inlet is beneficial to discharging and settling the sludge on or around the liquid distribution holes, the blocking of the liquid distribution holes is avoided, and the uniformly arranged liquid distribution holes are beneficial to uniform water distribution; the separation of the sludge and the bubbles attached to the sludge particles is carried out through the two-time three-phase separator, which is favorable for the separation and sedimentation of the sludge, can effectively improve the sedimentation rate of the sludge, ensures the quality of the upper layer recovered water and ensures the water treatment effect.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a UASB anaerobic reactor for efficient sludge separation.
Background
The UASB reactor is one of the main devices for treating organic pollutants in sewage by using anaerobic microorganisms. The method is characterized by capability of treating high-concentration organic wastewater, capability of recycling methane, small occupied area of equipment, low running cost and the like. The traditional UASB reactor is easy to block in liquid distribution holes when the sludge is precipitated, the liquid distribution is not uniform enough, the sludge separation is not thorough, the pollutant treatment efficiency is reduced, the treated effluent concentration is higher than that of the effluent with the sludge, and the effluent is difficult to reach the standard for discharge.
Disclosure of Invention
In order to overcome the problems that liquid distribution holes are easy to be blocked, liquid distribution is not uniform enough, pollutant treatment efficiency is reduced, treated water is higher in concentration and is carried with mud, and standard emission is difficult to achieve in a traditional UASB (anaerobic sludge blanket) reactor in the background art, the utility model provides the efficient UASB anaerobic reactor for separating the sludge, which adopts a liquid distribution coil pipe and a pulse pump liquid inlet, the pulse force of the pulse liquid inlet is beneficial to discharging the sludge which is settled on or around the liquid distribution holes, the liquid distribution holes are prevented from being blocked, the uniformly arranged liquid distribution holes are beneficial to uniform water distribution, and sewage and sludge (strain) are beneficial to mixing; the separation of the sludge and the bubbles attached to the sludge particles is carried out through the two-time three-phase separator, which is favorable for the separation and sedimentation of the sludge, can effectively improve the sedimentation rate of the sludge, ensures the quality of the upper layer recovered water and ensures the water treatment effect.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the UASB anaerobic reactor for separating high-efficiency sludge mainly comprises a tank body 1, a liquid distribution coil pipe 2, a liquid inlet pulse pump, a first-stage three-phase separator 3 and a second-stage three-phase separator 4, wherein the liquid distribution coil pipe 2 is arranged at the bottom of the tank body 1, a liquid inlet of the liquid distribution coil pipe 2 is connected with a sewage tank through the liquid inlet pulse pump, liquid distribution holes 21 are uniformly formed in the liquid distribution coil pipe 2, the first-stage three-phase separator 3 is arranged in the middle part in the tank body 1, the second-stage three-phase separator 4 is arranged at three-quarters of the height in the tank body 1, and exhaust pipes of the first-stage three-phase separator 3 and the second-stage three-phase separator 4 are discharged from the top of the tank body 1 and are connected with a gas collecting device; the bottom of the primary three-phase separator 3 forms a high-efficiency reaction zone, a high-quality reaction zone is formed between the primary three-phase separator 3 and the secondary three-phase separator 4, a clarification zone is formed at the top of the secondary three-phase separator 4, and a liquid discharge recovery pipe 11 is arranged on the side wall of the clarification zone corresponding to the tank body 1.
Further, the tail end of the liquid distribution coil pipe 2 is communicated with the liquid inlet end through a valve 22 and a cleaning pulse pump 23 to form a return pipe.
Further, the liquid distribution coil pipe 2 is formed by concentric arrangement of annular coil pipes with different sizes, and all the annular coil pipes are connected end to end through a valve 22 and a cleaning pulse pump 23.
Further, a manhole 12 is arranged on one side of the bottom of the tank body 1, and the manhole 12 is sealed by a flange plate and a cover plate.
Further, the first-stage three-phase separator 3 and the second-stage three-phase separator 4 have the same structure composition, and comprise a mounting cylinder seat 31, an inverted V-shaped gas collecting plate 32 and an inverted U-shaped gas collecting cover 33, wherein the outer curved surface of the mounting cylinder seat 31 is matched with the inner wall of the tank body 1 and welded and fixed, the inverted U-shaped gas collecting cover 33 is transversely arranged in the mounting cylinder seat 31, the inverted V-shaped gas collecting plate 32 is perpendicular to the inverted U-shaped gas collecting cover 33 and uniformly arranged in the mounting cylinder seat 31, the inverted V-shaped gas collecting plate 32 is communicated with the inverted U-shaped gas collecting cover 33 and welded and fixed, and the top of the inverted U-shaped gas collecting cover 33 is connected with an exhaust pipe 34.
Further, the inverted V-shaped gas collecting plates 32 are provided with at least two layers, and the upper and lower layers of inverted V-shaped gas collecting plates 32 are arranged in a staggered manner.
The utility model has the beneficial effects that:
the utility model adopts the liquid distribution coil pipe and the pulse pump liquid inlet, the pulse force of the pulse liquid inlet is beneficial to discharging and settling the sludge on or around the liquid distribution holes, the blocking of the liquid distribution holes is avoided, the evenly arranged liquid distribution holes are beneficial to evenly distributing water, and the mixing of sewage and sludge (bacteria) is beneficial; the separation of the sludge and the bubbles attached to the sludge particles is carried out through the two-time three-phase separator, which is favorable for the separation and sedimentation of the sludge, can effectively improve the sedimentation rate of the sludge, ensures the quality of the upper layer recovered water and ensures the water treatment effect.
Drawings
Fig. 1 is a schematic perspective sectional view of the present utility model.
Fig. 2 is an enlarged schematic view of a portion of fig. 1 at a.
Fig. 3 is an enlarged partial schematic view at B in fig. 1.
FIG. 4 is a schematic top view of the liquid distribution coil of the present utility model.
Fig. 5 is a schematic perspective view of the present utility model.
FIG. 6 is a schematic perspective view of the primary three-phase separator of the present utility model.
FIG. 7 is a schematic perspective view of a primary three-phase separator of the present utility model in a upward perspective view.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
The utility model discloses a high-efficiency sludge separation UASB anaerobic reactor, which mainly comprises a tank body 1, a liquid distribution coil pipe 2, a liquid inlet pulse pump, a primary three-phase separator 3 and a secondary three-phase separator 4, wherein the liquid distribution coil pipe 2 is arranged at the bottom of the tank body 1, a liquid inlet of the liquid distribution coil pipe 2 is connected with a sewage tank through the liquid inlet pulse pump, liquid distribution holes 21 are uniformly formed in the liquid distribution coil pipe 2, the primary three-phase separator 3 is arranged in the middle part in the tank body 1, the secondary three-phase separator 4 is arranged at three-quarters of the height in the tank body 1, and exhaust pipes of the primary three-phase separator 3 and the secondary three-phase separator 4 are discharged from the top of the tank body 1 and are connected with a gas collecting device; the bottom of the first-stage three-phase separator 3 forms a high-efficiency reaction zone, a high-quality reaction zone is formed between the first-stage three-phase separator 3 and the second-stage three-phase separator 4, a clarifying zone is formed at the top of the second-stage three-phase separator 4, a liquid discharge recovery pipe 11 is arranged on the side wall of the clarifying zone corresponding to the tank body 1, the sewage concentration of the high-efficiency reaction zone is high, the sewage treatment load is high, and most of sludge impurities react and settle in the high-efficiency reaction zone; the high-quality reaction zone contains a small part of sludge impurities, and the quality of the treated water can be effectively improved after the secondary reaction sedimentation; the liquid distribution coil pipe and the pulse pump liquid inlet are adopted, the pulse force of the pulse liquid inlet is beneficial to discharging, opening and settling the sludge on or around the liquid distribution holes, the blocking of the liquid distribution holes is avoided, the uniformly arranged liquid distribution holes are beneficial to uniform water distribution, and the mixing of sewage and sludge (bacteria) is beneficial; the separation of the sludge and the bubbles attached to the sludge particles is carried out through the two-time three-phase separator, which is favorable for the separation and sedimentation of the sludge, can effectively improve the sedimentation rate of the sludge, ensures the quality of the upper layer recovered water and ensures the water treatment effect.
The tail end of the liquid distribution coil pipe 2 is communicated with a liquid inlet end through a valve 22 and a cleaning pulse pump 23 to form a return pipe; because in order to ensure uniform water distribution, the aperture of the liquid distribution hole 21 is smaller, the interior of the liquid distribution coil pipe 2 is easy to form sludge sedimentation, so that the effective aperture in the liquid distribution coil pipe 2 is reduced or even blocked, after the valve 22 and the cleaning pulse pump 23 are added, the sludge in the liquid distribution coil pipe 2 can be cleaned periodically by pulse, when cleaning is needed, the valve 22 is opened, the loop of the liquid distribution coil pipe 2 is communicated, the cleaning pulse pump 23 is started, the sewage in the liquid distribution coil pipe 2 can circularly flow in a pulse manner, the sludge settled in the liquid distribution coil pipe 2 can be effectively washed, the suspended sludge is conveniently discharged into the tank body 1 through the liquid distribution hole 21 for sedimentation, the sludge in the liquid distribution coil pipe 2 can be cleaned periodically by pulse, and the liquid distribution effect is ensured.
The liquid distribution coil pipe 2 is formed by concentric arrangement of annular coil pipes with different sizes, all annular coil pipes are connected end to end through the valve 22 and the cleaning pulse pump 23, the distribution uniformity of the liquid distribution holes 21 can be increased by concentric arrangement of the annular coil pipes with different sizes, all annular coil pipes are connected end to end through the valve 22 and the cleaning pulse pump 23, and the sludge cleaning effect in the annular coil pipes is guaranteed.
One side of the bottom of the tank body 1 is provided with a manhole 12, and the manhole 12 is sealed by a flange plate and a cover plate.
The primary three-phase separator 3 and the secondary three-phase separator 4 have the same structure and comprise a mounting cylinder seat 31, an inverted V-shaped gas collecting plate 32 and an inverted U-shaped gas collecting cover 33, wherein the outer curved surface of the mounting cylinder seat 31 is matched with the inner wall of the tank body 1 and is welded and fixed, the inverted U-shaped gas collecting cover 33 is transversely arranged in the mounting cylinder seat 31, the inverted V-shaped gas collecting plate 32 and the inverted U-shaped gas collecting cover 33 are vertically and uniformly arranged in the mounting cylinder seat 31, the inverted V-shaped gas collecting plate 32 is communicated with the inverted U-shaped gas collecting cover 33 and is welded and fixed, and the top of the inverted U-shaped gas collecting cover 33 is connected with an exhaust pipe 34; the sludge particles and bubbles which are adhered together are separated by the inverted V-shaped gas collecting plate 32, the sludge particles are settled after the sludge particles and the bubbles are separated, the bubbles are collected by the inverted V-shaped gas collecting plate 32 and discharged to the inverted U-shaped gas collecting cover 33, and then are discharged through the exhaust pipe 34.
The inverted V-shaped gas collecting plates 32 are arranged at least in two layers, the upper inverted V-shaped gas collecting plates 32 and the lower inverted V-shaped gas collecting plates 32 are arranged in a staggered mode, sludge particles and bubbles attached together can be effectively intercepted, the sludge particles and the bubbles can be reduced, the inverted V-shaped gas collecting plates 32 can be penetrated through, and the sewage treatment effect can be improved.
The working process comprises the following steps:
the distribution uniformity of the liquid distribution holes 21 can be increased through the concentric arrangement of the annular coils with different sizes, the liquid distribution coils and the pulse pump are adopted for feeding liquid, the pulse force of the pulse liquid is beneficial to discharging and sinking the sludge on or around the liquid distribution holes, the blocking of the liquid distribution holes is avoided, the uniform arrangement of the liquid distribution holes is beneficial to uniform water distribution, and the mixing of sewage and sludge (bacteria) is beneficial; because the aperture of the liquid distribution holes 21 is smaller to ensure uniform water distribution, the sludge sedimentation is easy to form in the liquid distribution coil pipe 2, so that the effective aperture in the liquid distribution coil pipe 2 is reduced or even blocked, when cleaning is needed, the valve 22 is opened, the liquid distribution coil pipe 2 is communicated in a loop, the cleaning pulse pump 23 is started, the sewage in the liquid distribution coil pipe 2 circularly and pulsed flows, the sludge settled in the liquid distribution coil pipe 2 can be effectively washed, the suspended sludge is convenient to be discharged into the tank body 1 through the liquid distribution holes 21 for sedimentation, and the sludge in the liquid distribution coil pipe 2 can be periodically cleaned in a pulse mode, so that the liquid distribution effect is ensured; the sludge particles and bubbles which are adhered together are separated through the inverted V-shaped gas collecting plate 32, after the sludge particles and the bubbles are separated, the sludge particles are settled, and the bubbles are collected through the inverted V-shaped gas collecting plate 32 and discharged to the inverted U-shaped gas collecting cover 33 and then discharged through the exhaust pipe 34; the sewage concentration in the efficient reaction zone is high, the sewage treatment load is high, and most of sludge impurities react and settle in the efficient reaction zone; the high-quality reaction zone contains a small part of sludge impurities, and the quality of the treated water can be effectively improved after the secondary reaction sedimentation; the separation of the sludge and the bubbles attached to the sludge particles is carried out through the two-time three-phase separator, which is favorable for the separation and sedimentation of the sludge, can effectively improve the sedimentation rate of the sludge, ensures the quality of the upper layer recovered water and ensures the water treatment effect.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (6)
1. A high-efficiency sludge separation UASB anaerobic reactor is characterized in that: the efficient sludge separation UASB anaerobic reactor comprises a tank body (1), a liquid distribution coil pipe (2), a first-stage three-phase separator (3) and a second-stage three-phase separator (4), wherein the liquid distribution coil pipe (2) is arranged at the bottom of the tank body (1), a liquid inlet of the liquid distribution coil pipe (2) is connected with a sewage tank through a liquid inlet pulse pump, liquid distribution holes (21) are uniformly formed in the liquid distribution coil pipe (2), the first-stage three-phase separator (3) is arranged in the middle part in the tank body (1), the second-stage three-phase separator (4) is arranged at three-quarters high position in the tank body (1), and exhaust pipes of the first-stage three-phase separator (3) and the second-stage three-phase separator (4) are discharged from the top of the tank body (1) and are connected with a gas collecting device; the bottom of the primary three-phase separator (3) forms a high-efficiency reaction zone, a high-quality reaction zone is formed between the primary three-phase separator (3) and the secondary three-phase separator (4), the top of the secondary three-phase separator (4) forms a clarification zone, and a liquid discharge recovery pipe (11) is arranged on the side wall of the clarification zone corresponding to the tank body (1).
2. An efficient sludge separation UASB anaerobic reactor as claimed in claim 1, wherein: the tail end of the liquid distribution coil pipe (2) is communicated with the liquid inlet end through a valve (22) and a cleaning pulse pump (23) to form a return pipe.
3. A high efficiency sludge separation UASB anaerobic reactor as claimed in claim 1 or 2, wherein: the liquid distribution coil pipe (2) is formed by concentric arrangement of annular coil pipes with different sizes, and all the annular coil pipes are connected end to end through a valve (22) and a cleaning pulse pump (23).
4. A high efficiency sludge separation UASB anaerobic reactor as claimed in claim 1 or 2, wherein: one side of the bottom of the tank body (1) is provided with a manhole (12), and the manhole (12) is sealed by a flange plate and a cover plate.
5. A high efficiency sludge separation UASB anaerobic reactor as claimed in claim 1 or 2, wherein: the three-phase separator is characterized in that the three-phase separator (3) and the three-phase separator (4) are identical in structure and comprise a mounting cylinder seat (31), an inverted-V-shaped gas collecting plate (32) and an inverted-U-shaped gas collecting cover (33), the outer curved surface of the mounting cylinder seat (31) is matched with the inner wall of the tank body (1) and welded and fixed, the inverted-U-shaped gas collecting cover (33) is transversely arranged in the mounting cylinder seat (31), the inverted-V-shaped gas collecting plate (32) is perpendicular to the inverted-U-shaped gas collecting cover (33) and is uniformly arranged in the mounting cylinder seat (31), the inverted-V-shaped gas collecting plate (32) is communicated with the inverted-U-shaped gas collecting cover (33) and welded and fixed, and the top of the inverted-U-shaped gas collecting cover (33) is connected with an exhaust pipe (34).
6. An efficient sludge separation UASB anaerobic reactor as claimed in claim 5, wherein: the inverted V-shaped gas collecting plates (32) are arranged at least in two layers, and the upper inverted V-shaped gas collecting plates (32) and the lower inverted V-shaped gas collecting plates (32) are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321602186.9U CN220056525U (en) | 2023-06-25 | 2023-06-25 | Efficient UASB anaerobic reactor for sludge separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321602186.9U CN220056525U (en) | 2023-06-25 | 2023-06-25 | Efficient UASB anaerobic reactor for sludge separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220056525U true CN220056525U (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321602186.9U Active CN220056525U (en) | 2023-06-25 | 2023-06-25 | Efficient UASB anaerobic reactor for sludge separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220056525U (en) |
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2023
- 2023-06-25 CN CN202321602186.9U patent/CN220056525U/en active Active
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