CN219526388U - Novel high-load anaerobic reactor - Google Patents
Novel high-load anaerobic reactor Download PDFInfo
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- CN219526388U CN219526388U CN202320511848.5U CN202320511848U CN219526388U CN 219526388 U CN219526388 U CN 219526388U CN 202320511848 U CN202320511848 U CN 202320511848U CN 219526388 U CN219526388 U CN 219526388U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a novel high-load anaerobic reactor, which comprises the following components in part by weight; the reactor body is connected with a water inlet pipe, a water outlet pipe and a methane pipe; the primary separator is arranged at the upper part of the reactor body and is used for realizing gas-liquid separation, and the upper end of the primary separator is opened, and the lower end of the primary separator is provided with a discharge port; the secondary separator is arranged at the lower part of the reactor body and used for realizing mud-water separation, the secondary separator comprises a water inlet area and a mud-water separation area which are communicated, a water inlet is arranged at the upper end of the water inlet area, a water outlet is arranged at the upper end of the mud-water separation area, the water inlet is connected to the discharge outlet through a first communicating pipe, and the water outlet is connected to the water outlet pipe through a second communicating pipe. The anaerobic reactor provided by the utility model can improve the three-phase separation effect.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a novel high-load anaerobic reactor.
Background
Aiming at organic wastewater with COD of more than 3000mg/L, anaerobic biological treatment is basically adopted, so that the energy consumption for direct aerobic treatment and aeration can be saved, the residual sludge production is reduced, and a certain amount of renewable energy (methane) is generated. The anaerobic reactors commonly used at present are UASB, UBF, EGSB, IC and the like. The reactors are internally provided with a large number of three-phase separators with different sizes, so that the requirements on manufacturing and installation accuracy are high, the on-site installation workload is large, slight errors exist, the three-phase separation effect of the reactors is greatly influenced, the treatment efficiency is further influenced, and the reactors are hardly operated when the manufacturing and on-site installation errors are large.
Limited by the influence of the separation effect of the three-phase separator, the volume load is lower, the long-term average load of UASB is 2-4 kg COD/(m 3. D), and the IC is 5-8 kg COD/(m 3. D). The on-site construction period is long, the quality is uncontrollable, the treatment efficiency is low, and the factors are combined, so that the cost of the anaerobic reactor per unit wastewater amount is high.
The present utility model has been made in order to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a novel high-load anaerobic reactor, which improves the three-phase separation effect and is more stable in operation.
Based on the problems, the technical scheme provided by the utility model is as follows:
a novel high-load anaerobic reactor, comprising;
the reactor body is connected with a water inlet pipe, a water outlet pipe and a methane pipe;
the primary separator is arranged at the upper part of the reactor body and is used for realizing gas-liquid separation, the upper end of the primary separator is opened, and the lower end of the primary separator is provided with a discharge port;
the secondary separator is arranged at the lower part of the reactor body and is used for realizing mud-water separation, the secondary separator comprises a water inlet area and a mud-water separation area which are communicated, the water inlet area is provided with a water inlet, the mud-water separation area is provided with a water outlet, the water inlet is connected to the discharge outlet through a first communicating pipe, and the water outlet is connected to the water outlet pipe through a second communicating pipe;
organic wastewater enters the reactor body, a muddy water-gas mixture is propelled in the reactor body from bottom to top, the muddy water-gas mixture at the top overflows to the primary separator to realize separation of muddy water and biogas, the muddy water enters the secondary separator through the first communicating pipe to realize muddy water separation, and separated clear liquid enters the water outlet pipe through the second communicating pipe to be discharged.
In some embodiments, the primary separator comprises a first separator body and a plurality of baffle plates arranged in the first separator body, wherein the baffle plates are sequentially staggered on the inner wall of the first separator body, the baffle plates are obliquely downwards arranged from the inner wall of the first separator body to the middle part, and a plurality of burr structures are arranged on the baffle plates.
In some of these embodiments, the primary separator is disposed obliquely within the reactor body.
In some embodiments, the secondary separator comprises a second separator body and a partition plate arranged in the second separator body, the partition plate extends downwards from the upper part of the second separator body, the water inlet area and the mud-water separation area are arranged on two sides of the partition plate, a sludge sedimentation area is arranged below the water inlet area and the mud-water separation area, a plurality of inclined plates are arranged in the mud-water separation area, and a mud discharge pipe is connected to the sludge discharge area and connected to the water inlet pipe through a circulating pump.
In some embodiments, a back flushing pipe is further arranged in the second separator body, and the back flushing pipe is arranged at the upper part of the sludge settling zone.
In some of these embodiments, a discharge pipe disposed outside the reactor body and extending in a vertical direction is further included, both upper and lower ends of the discharge pipe are opened, and the discharge pipe is connected to an upper portion of the discharge pipe.
In some embodiments, the second communication pipe is further connected with a plurality of spare water outlet pipes, which are arranged at different height positions of the reactor body.
In some embodiments, a floating top cover is arranged at the top of the reactor body, one end of the biogas pipe is connected to the floating top cover, and the other end is connected to a water seal.
In some of these embodiments, a plurality of sampling tubes extending to different heights are provided within the reactor body.
In some embodiments, the reactor body is provided with an inspection manhole and an evacuation pipe.
Compared with the prior art, the utility model has the advantages that:
1. the primary separator and the secondary separator which are arranged up and down are arranged in the reactor body and are respectively used for separating mud water from marsh gas and separating mud from wastewater, and the two-stage functions are separated, so that the separation effect of mud, water and gas can be improved, and the operation is more stable;
2. the primary separator and the secondary separator are integrated components, and are manufactured in a production workshop without on-site construction and manufacturing procedures, so that the quality qualification rate is high, the on-site installation workload is low, and the construction period is short;
3. the inoculation amount of the sludge is 60-70%, the running load is 14-18 kg kgCOD/(m 3. D), the treatment efficiency is 2-4 times of UASB and IC treatment efficiency, the unit water amount occupies less area, and the investment is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a novel high-load anaerobic reactor according to the present utility model;
FIG. 2 is a schematic diagram of a primary separator according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a secondary separator according to an embodiment of the present utility model;
wherein:
1. a reactor body; 2. a primary separator; 2-1, a first separator body; 2-1a, a discharge port; 2-2, baffle plates; 2-2a, burr structure; 3. a secondary separator; 3-1, a second separator body; 3-1a, a water inlet area; 3-1b, a mud-water separation area; 3-1c, a sludge sedimentation zone; 3-1d, a water inlet; 3-1e, a water outlet; 3-2, a separator; 3-3, sloping plate; 3-4, back flushing pipe; 4. a water inlet pipe; 5. a water outlet pipe; 6. biogas pipes; 7. a first communication pipe; 8. a second communicating pipe; 9. sealing water; 10. a discharge pipe; 11. a standby water outlet pipe; 12. a back flushing pipe; 13. a mud pipe; 14. a circulation pump; 15. a sampling tube; 16. an evacuation tube; 17. a manhole is inspected; 18. and (5) floating the top cover.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
Referring to fig. 1, for a schematic structural diagram of an embodiment of the present utility model, a novel high-load anaerobic reactor is provided, which includes a reactor body 1, a primary separator 2 and a secondary separator 3 disposed in the reactor body 1, wherein the primary separator 2 is disposed at an upper portion of the reactor body 1, and is used for implementing gas-liquid separation, i.e., separation of mud water and biogas. The secondary separator 3 is disposed at the lower portion of the reactor body 1 for achieving mud-water separation, i.e., separation of sludge from wastewater.
The bottom of the reactor body 1 is connected with a water inlet pipe 4, the upper part is connected with a water outlet pipe 5, and the top is connected with a biogas pipe 6, and in order to collect biogas conveniently, the top of the reactor body 1 is provided with a floating top cover 18, specifically, the inner wall of the reactor body 1 is provided with a liquid groove, and the floating top cover 18 is arranged in the liquid groove. One end of the biogas pipe 6 is connected to the top of the floating top cover 18, the other end of the biogas pipe 6 is connected to the water seal 9, and biogas is discharged out of the reactor body 1 to a subsequent biogas treatment unit after passing through the water seal 9.
As shown in fig. 2, the primary separator 2 comprises a first separator body 1 and a plurality of baffle plates 2-2 arranged in the first separator body 2-1, wherein the upper end of the first separator body 2-1 is opened, the lower end of the first separator body is provided with a discharge outlet 2-1a, the baffle plates 2-2 are sequentially arranged on the inner wall of the first separator body 2-1 in a staggered manner, each baffle plate 2-2 is arranged downwards in an inclined manner from the inner wall of the first separator body 2-1 to the middle part, a mud-water gas mixture at the top of the reactor body 1 overflows into the first separator body 2-1 through an opening at the upper end of the first reactor body 2-1, and flows downwards under the action of the baffle plates 2-2, and a plurality of burr structures 2-2a are arranged on the baffle plates 2-2 for cutting bubbles and realizing mud-water and methane separation.
In order to facilitate the overflow of the sludge-water-gas mixture into the primary separator 2, the primary separator 2 is arranged obliquely in the reactor body 1, i.e. the upper end surface of the primary separator 2 has an angle with the horizontal plane, which may be set to 18 degrees, for example.
As shown in fig. 3, the secondary separator 3 includes a second separator body 3-1 and a partition plate 3-2 provided in the second separator body 3-1, the partition plate 3-2 extends downward from an upper portion of the second separator body 3-1, the upper portion of the secondary separator 3 is partitioned into a water inlet zone 3-1a and a mud-water separation zone 3-1b via the partition plate 3-2, a sludge precipitation zone 3-1c is provided below the water inlet zone 3-1a and the mud-water separation zone 3-1b, and a plurality of inclined plates 3-3 are provided in the mud-water separation zone 3-1b for effecting mud-water separation. The upper end of the water inlet area 3-1a is provided with a water inlet 3-1d, the upper end of the mud-water separation area 3-1b is provided with a water outlet 3-1e, the water inlet 3-1d is connected to the discharge outlet 2-1a of the primary separator 2 through a first communicating pipe 7, the water outlet 3-1e is connected to the water outlet pipe 5 through a second communicating pipe 8, and the sludge sedimentation area 3-1c is connected with a sludge discharge pipe 13.
In this example, the primary separator 2 and the secondary separator 3 are integrated components, and are made of SS304 or carbon steel for corrosion prevention.
In order to realize sludge reflux, a sludge discharge pipe 13 is connected to the water inlet pipe 4 through a circulating pump 14, and the sludge is refluxed to the upper middle part of the reactor body 1 to participate in anaerobic reaction again.
In order to facilitate the flushing of the secondary separator 3, a back flushing pipe 12 is further arranged in the second separator body 3-1, the back flushing pipe 12 is horizontally arranged at the upper part of the sludge settling zone 3-1c and partially extends out of the secondary separator 3, a plurality of water outlets are arranged on the pipe wall of the back flushing pipe 12, and the back flushing of the secondary reactor 3 can be performed by introducing flushing water into the back flushing pipe 12.
In this example, still be equipped with the discharge pipe 10 that extends along vertical direction in the outside of reactor body 1, the both ends of discharge pipe 10 all open, and outlet pipe 5 is connected to the upper portion of discharge pipe 10, and the clear solution that secondary separator 3 separated gets into discharge pipe 10 through outlet pipe 5, and discharge pipe 10 upper end communicates to the air, can play the exhaust effect, prevents the air blocking.
In order to facilitate the discharge of the wastewater treated by the reactor into the subsequent treatment facilities of different heights, a plurality of spare water outlet pipes 11 are connected to the second communication pipe 8, and the plurality of spare water outlet pipes 11 are arranged at different height positions of the reactor body 1.
In order to facilitate sampling of the wastewater in the reactor body 1 for monitoring the quality of the treated water, a plurality of sampling tubes 15 extending to different heights are provided in the reactor body 1.
In order to facilitate maintenance of the reactor, an inspection manhole 17 is provided on the reactor body 1. To facilitate emptying of the reactor, an emptying pipe 16 is also connected to the bottom of the reactor body 1.
The reactor can be inoculated with granular sludge or flocculent sludge, and the inoculation amount is 60-70% of the volume of the reactor. The reactor has long-term stable running load of 14-18 kg COD/(m 3. D), inflow COD concentration of over 8000mg/L and removal rate of over 90%.
The working principle of the reactor is as follows:
the high-concentration organic wastewater enters the reactor body 1 through the water inlet pipe 4 by virtue of the lift pump, the inoculated anaerobic bacteria seeds participate in anaerobic reaction under the medium temperature condition, the muddy water-gas mixture is pushed from bottom to top, the muddy water-gas mixture at the top overflows into the first-stage separator 2, the muddy water-gas is pushed to flow in the first-stage separator 2 through a plurality of baffle plates 2-2, the bubbles are broken by the burr structures 2-2a on the baffle plates 2-2, the muddy water and methane are separated, the muddy water enters the second-stage separator 3 through the first connecting pipe 7, the muddy water is subjected to gravity precipitation through a plurality of inclined plates 3-3 of the muddy water separation area 3-1b, the separation of the sludge and the waste water is realized, the separated clear liquid is discharged through the water outlet pipe 5, and the sludge separated at the bottom of the second-stage separator 3 is reflowed to the middle upper part of the reactor body 1 again through the water inlet pipe 4 to participate in anaerobic reaction.
In conclusion, the reactor separates mud water from marsh gas and separates mud water from wastewater, so that the three-phase separation effect can be improved, the operation is more stable, the high-load operation is realized, the treatment efficiency is improved, the occupied area of unit water is small, and the investment is low.
The above examples are provided for illustrating the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the contents of the present utility model and to implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A novel high-load anaerobic reactor, comprising;
the reactor body is connected with a water inlet pipe, a water outlet pipe and a methane pipe;
the primary separator is arranged at the upper part of the reactor body and is used for realizing gas-liquid separation, the upper end of the primary separator is opened, and the lower end of the primary separator is provided with a discharge port;
the secondary separator is arranged at the lower part of the reactor body and is used for realizing mud-water separation, the secondary separator comprises a water inlet area and a mud-water separation area which are communicated, the water inlet area is provided with a water inlet, the mud-water separation area is provided with a water outlet, the water inlet is connected to the discharge outlet through a first communicating pipe, and the water outlet is connected to the water outlet pipe through a second communicating pipe;
organic wastewater enters the reactor body, a muddy water-gas mixture is propelled in the reactor body from bottom to top, the muddy water-gas mixture at the top overflows to the primary separator to realize separation of muddy water and biogas, the muddy water enters the secondary separator through the first communicating pipe to realize muddy water separation, and separated clear liquid enters the water outlet pipe through the second communicating pipe to be discharged.
2. The novel high-load anaerobic reactor according to claim 1, wherein: the primary separator comprises a first separator body and a plurality of baffle plates arranged in the first separator body, wherein the baffle plates are sequentially staggered on the inner wall of the first separator body, the baffle plates are obliquely downwards arranged from the inner wall of the first separator body to the middle part, and a plurality of burr structures are arranged on the baffle plates.
3. The novel high-load anaerobic reactor according to claim 1, wherein: the primary separator is disposed obliquely within the reactor body.
4. The novel high-load anaerobic reactor according to claim 1, wherein: the secondary separator comprises a second separator body and a baffle plate arranged in the second separator body, wherein the baffle plate downwards extends from the upper part of the second separator body, a water inlet area and a mud-water separation area are arranged on two sides of the baffle plate, a sludge sedimentation area is arranged below the water inlet area and the mud-water separation area, a plurality of inclined plates are arranged in the mud-water separation area, the sludge sedimentation area is connected with a sludge discharge pipe, and the sludge discharge pipe is connected to the water inlet pipe through a circulating pump.
5. The novel high-load anaerobic reactor according to claim 4, wherein: and a back flushing pipe is further arranged in the second separator body, and the back flushing pipe is arranged at the upper part of the sludge settling zone.
6. The novel high-load anaerobic reactor according to claim 1, wherein: the reactor also comprises a discharge pipe which is arranged outside the reactor body and extends along the vertical direction, the upper end and the lower end of the discharge pipe are both open, and the water outlet pipe is connected to the upper part of the discharge pipe.
7. The novel high-load anaerobic reactor according to claim 1, wherein: the second communicating pipe is also connected with a plurality of standby water outlet pipes which are arranged at different height positions of the reactor body.
8. The novel high-load anaerobic reactor according to claim 1, wherein: the top of the reactor body is provided with a floating top cover, one end of the biogas pipe is connected to the floating top cover, and the other end of the biogas pipe is connected to the water seal.
9. The novel high-load anaerobic reactor according to claim 1, wherein: the reactor body is internally provided with a plurality of sampling pipes extending to different heights.
10. The novel high-load anaerobic reactor according to claim 1, wherein: and the reactor body is provided with an inspection manhole and an emptying pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320511848.5U CN219526388U (en) | 2023-03-16 | 2023-03-16 | Novel high-load anaerobic reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320511848.5U CN219526388U (en) | 2023-03-16 | 2023-03-16 | Novel high-load anaerobic reactor |
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| CN219526388U true CN219526388U (en) | 2023-08-15 |
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| CN202320511848.5U Active CN219526388U (en) | 2023-03-16 | 2023-03-16 | Novel high-load anaerobic reactor |
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