CN219730676U - High-efficiency plug-flow anaerobic fermentation tank group - Google Patents
High-efficiency plug-flow anaerobic fermentation tank group Download PDFInfo
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- CN219730676U CN219730676U CN202321017740.7U CN202321017740U CN219730676U CN 219730676 U CN219730676 U CN 219730676U CN 202321017740 U CN202321017740 U CN 202321017740U CN 219730676 U CN219730676 U CN 219730676U
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- 238000000855 fermentation Methods 0.000 title claims abstract description 77
- 239000002002 slurry Substances 0.000 claims abstract description 58
- 238000005192 partition Methods 0.000 claims abstract description 53
- 239000002893 slag Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 12
- 230000004151 fermentation Effects 0.000 abstract description 7
- 244000005700 microbiome Species 0.000 description 14
- 239000007788 liquid Substances 0.000 description 12
- 239000010802 sludge Substances 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model relates to a high-efficiency plug-flow anaerobic fermentation tank group, which comprises a first tank body, a plurality of first partition boards and a first overflow tank, wherein the first partition boards are arranged in the first tank body at intervals along the height direction, and a first overflow tank dovetail is arranged at the upper part of the first tank body and is connected and communicated with a discharge port through a first discharge pipe; the second anaerobic fermentation tank comprises a second tank body, a plurality of second partition boards and a second overflow groove, the second partition boards are arranged in the second tank body at intervals along the height direction, and the second overflow groove at the upper part of the second tank body is connected and communicated with the discharge port through a second discharge pipe; the lower part of the first tank body is connected and communicated with the lower part of the second tank body through a pulse pipeline and a return pipeline, a pulse pump is arranged on the pulse pipeline, and a balance valve is arranged on the return pipeline. The anaerobic fermentation device is simple in structure and convenient to install, construct and maintain, can solve the problems of short circuit and uneven mixing of slurry in the anaerobic fermentation process, and improves the volume load rate and anaerobic fermentation efficiency.
Description
Technical Field
The utility model relates to a high-efficiency plug-flow anaerobic fermentation tank group, and belongs to the technical field of wastewater treatment.
Background
Anaerobic biological treatment, also known as anaerobic digestion, refers to the process of decomposing organic matter in sewage and producing methane and carbon dioxide under the combined action of a variety of (anaerobic or facultative) microorganisms under anaerobic conditions.
The general anaerobic fermentation reactor at present mainly comprises a full-mixing reactor, an upflow anaerobic sludge blanket reactor, an internal circulation anaerobic reactor, a plug flow anaerobic reactor and the like. The fully-mixed reactor is characterized in that a mechanical stirring device is arranged in a traditional anaerobic digester to enable fermentation slurry and microorganisms to be in a fully-mixed state, but the volume load rate of the reactor is low, and the problems of slurry short circuit, incomplete anaerobic fermentation, long residence time and the like exist. The upflow anaerobic sludge blanket reactor mainly comprises a water distribution system, a three-phase separator, a water outlet collecting system and a sludge discharging system, sewage passes through the upflow anaerobic sludge blanket reactor from bottom to top, a high-concentration and high-activity sludge blanket is arranged at the bottom of the reactor, but short flow phenomenon can occur in the anaerobic fermentation reactor, and blockage can be caused when the concentration of suspended matters in the inlet water is too high. The internal circulation anaerobic reactor is a novel anaerobic reactor based on the defect improvement of an upflow anaerobic sludge blanket reactor, and is mainly formed by overlapping and connecting two layers of upflow anaerobic sludge blanket reactors in series, wherein the top of each layer of anaerobic reactor is respectively provided with a gas, solid and liquid three-phase separator, wastewater flows in the reactor from bottom to top, pollutants are adsorbed and degraded by bacteria, and purified water flows out from the upper part of the reactor. However, the internal circulation anaerobic reactor has a complex structure, is inconvenient to install, construct and maintain, and also has the phenomenon of short circuit of the existing slurry. A conventional plug-flow anaerobic reactor is one in which fermentation feedstock is pushed from one end of the reactor to the other end of the reactor. As the slurry advances, anaerobic or facultative microorganisms break down the organics in the fermentation feedstock and produce methane and carbon dioxide. The reactor still has the problems of short circuit, uneven mixing and poor slurry interference resistance in the anaerobic fermentation process.
Disclosure of Invention
The utility model provides the high-efficiency plug-flow anaerobic fermentation tank group which has a simple structure, is convenient to install, construct and maintain, can solve the problems of short circuit and uneven mixing of slurry in the anaerobic fermentation process, and improves the volume load rate and anaerobic fermentation efficiency.
The technical scheme for achieving the purpose is as follows: a high-efficient plug-flow anaerobic fermentation tank group which characterized in that: comprises two independent first anaerobic fermentation tanks and a second anaerobic fermentation tank;
the first anaerobic fermentation tank comprises a first tank body, a plurality of first partition boards and a first overflow groove, wherein a feed pipe is arranged at the lower part of the first tank body, an air outlet at the top is connected and communicated with an air pipe, the feed pipe extends into the middle part of the first tank body, the outlet is upward, a first conical settling tank with a slag discharge port is arranged at the bottom of the first tank body, the first partition boards are provided with a plurality of runner holes for slurry to pass through, the first partition boards are arranged in the first tank body at intervals along the height direction and divide the tank into a plurality of treatment areas, the first overflow groove is arranged at the upper part of the first partition board at the top of the first tank body, and the first overflow groove is connected and communicated with a discharge port of the first tank body through a first discharge pipe;
the second anaerobic fermentation tank comprises a second tank body, a plurality of second partition boards and a second overflow groove, wherein an air outlet at the top of the second tank body is communicated with an air pipe, a second conical sedimentation groove with a slag discharge port is arranged at the bottom of the second tank body, the second partition boards are provided with a plurality of runner holes through which slurry passes, the second partition boards are arranged in the second tank body at intervals along the height direction and divide the tank body into a plurality of treatment areas, the second tank body is provided with the second overflow groove at the upper part of the second partition board at the top of the second tank body, and the second overflow groove is communicated with a discharge port of the second tank body through a second discharge pipe;
the lower part of the first tank body is connected and communicated with the lower part of the second tank body through a pulse pipeline and a return pipeline, a pulse pump is arranged on the pulse pipeline, and a balance valve is arranged on the return pipeline.
The beneficial effects of the utility model after the technical scheme is adopted are that:
1. the high-efficiency plug-flow anaerobic fermentation tank group adopts the independent first anaerobic fermentation tank and the second anaerobic fermentation tank, the two anaerobic fermentation tanks are connected and communicated at the lower part through the pulse pipeline and the return pipeline, the whole slurry in each tank is mixed by controlling the pulse pump on the pulse pipeline and the balance valve of the return pipeline, the plug-flow mixing is carried out from bottom to top in one anaerobic fermentation tank, and the plug-flow mixing is realized from top to bottom in the other anaerobic fermentation tank, so that the full mixing of the slurry and anaerobic microorganisms is facilitated, the short flow is avoided, the anaerobic reaction is full, and the volume load rate during treatment can be greatly improved.
2. The utility model realizes the pulse and balanced periodic circulation of the two anaerobic fermentation tanks by controlling the pulse pump and the balance valve, has simple structure and convenient installation, construction and maintenance, and the slurry is pulse-combined in the two anaerobic fermentation tanks, so that on one hand, the slurry in each anaerobic fermentation tank is fully mixed, and on the other hand, the liquid level change between the two anaerobic fermentation tanks is generated, the whole plug flow is generated to stir, the slurry fully contacts and reacts with anaerobic microorganisms, the residence time of the slurry in the anaerobic fermentation tanks is reduced, and the anaerobic fermentation efficiency is improved.
3. According to the anaerobic fermentation tank, the plurality of partition plates are arranged in the tank body along the height direction, the plurality of flow passage holes are formed in the partition plates, the treatment area in the tank body is divided into parts with different anaerobic microorganism concentrations by the partition plates, when the pulp flows up and down under the action of pushing flow, the pulp and microorganisms are mixed and stirred for many times through the flow passage holes, the problem of short circuit and uneven mixing of the pulp in the anaerobic fermentation process is solved, and the anaerobic fermentation efficiency is improved.
Drawings
The following structural drawings further describe embodiments of the present utility model.
FIG. 1 is a schematic diagram of the structure of a high efficiency plug flow anaerobic fermentor set of the present utility model.
FIG. 2 is a schematic diagram of a first stage of the operation of the high efficiency plug-flow anaerobic fermentor assembly of the present utility model.
FIG. 3 is a schematic diagram of a second stage of the high efficiency plug flow anaerobic fermentor assembly of the present utility model during operation.
FIG. 4 is a schematic diagram of a third stage of the high efficiency plug-flow anaerobic fermentor assembly of the present utility model during operation.
Wherein: 1-first anaerobic fermentation tank, 1-first tank body, 1-2-first baffle, 1-3-feeding pipe, 1-4-first conical sink, 1-5-first overflow tank, 1-6-first discharging pipe, 2-heat preservation, 3-shaftless blade feeding mechanism, 4-pulse path pipe, 5-pulse pump, 6-balance valve, 7-return line, 8-air pipe, 9-second anaerobic fermentation tank, 9-1-second tank body, 9-2-second baffle, 9-3-second conical sink, 9-4-second overflow tank, 9-5-second discharging pipe.
Detailed Description
Referring to fig. 1, the high-efficiency plug-flow anaerobic fermentation tank group comprises a first anaerobic fermentation tank 1 and a second anaerobic fermentation tank 9 which are independent, wherein the treatment capacity of the first anaerobic fermentation tank 1 and the treatment capacity of the second anaerobic fermentation tank 9 are basically the same.
As shown in FIG. 1, the first anaerobic fermentation tank 1 comprises a first tank body 1-1, a plurality of first partition boards 1-2 and a first overflow groove 1-5, wherein an insulating layer 2 is arranged outside the first tank body 1-1, and the temperature required by anaerobic reaction is kept. According to the anaerobic fermentation tank, the lower part of the first tank body 1-1 is provided with a feeding pipe 1-3, the air outlet at the top is communicated with an air pipe 8, the feeding pipe 1-3 extends into the middle part of the first tank body 1-1, the outlet is upward, the bottom of the first tank body 1-1 is provided with a first conical sedimentation tank 1-4 with a slag discharge port, slurry to be treated enters the first anaerobic fermentation tank 1 through the feeding pipe 1-3 for anaerobic fermentation treatment, inorganic heavy sediment in the slurry entering the tank body can sink into the first conical sedimentation tank 1-4 to be collected, and the sediment is periodically discharged from the slag discharge port of the first conical sedimentation tank 1-4, so that the normal operation of the anaerobic fermentation tank is ensured. A flashboard is arranged at a slag discharging port of a first conical sinking groove 1-4 of a first tank body 1-1, a shaftless blade conveying mechanism 3 is arranged at the lower part of the flashboard, and fixed slag such as gravel is discharged out of the first tank body 1-1 periodically through the shaftless blade conveying mechanism 3.
As shown in FIG. 1, the first partition board 1-2 is provided with a plurality of runner holes through which slurry passes, the first partition board 1-2 is arranged in the first tank body 1-1 at intervals along the height direction and divides the tank into a plurality of treatment areas, as shown in FIG. 1, five first partition boards 1-2 are arranged in the first tank body 1-1, the slurry can be continuously redistributed in the process of distributing and pushing the slurry through the plurality of first partition boards 1-2, particularly anaerobic microorganisms and slurry with different concentrations in each treatment area can be stirred and mixed, the problem of uneven mixing caused by the phenomenon of local short circuit of the slurry is thoroughly solved, the slurry entering the first anaerobic fermentation tank 1 is ensured to react under the action of pushing the slurry, thoroughly digested liquid is discharged from the upper part, and the anaerobic fermentation efficiency can be improved. The upper part of a first partition board 1-2 positioned at the top of a first tank body 1-1 is provided with a first overflow groove 1-5, the first overflow groove 1-5 is connected and communicated with a discharge hole of the first tank body 1-1 through a first discharge pipe 1-6, and slurry subjected to anaerobic fermentation treatment overflows into the first overflow groove 1-5 due to the fact that the top of the first overflow groove 1-5 is in an opening shape, is discharged through the first overflow groove 1-5 and the first discharge pipe 1-6 through the discharge hole, and biogas generated by the reaction of the slurry and microorganisms in the anaerobic fermentation tank is discharged into a gas pipe 8 through the top for collection and utilization.
As shown in FIG. 1, the first partition plates 1-2 are uniformly arranged in the first tank body 1-1, a plurality of supporting seats are arranged on the peripheral wall of the first tank body 1-1, each first partition plate 1-2 is correspondingly arranged on the supporting seat, flow passage holes in the first partition plates 1-2 are uniformly arranged, and slurry can be more uniformly pushed when passing through the first partition plates 1-2, so that the mixing homogenization is enhanced.
As shown in FIG. 1, the second anaerobic fermentation tank 9 comprises a second tank body 9-1, a plurality of second partition boards 9-2 and a second overflow groove 9-4, wherein an insulating layer 2 is arranged outside the second tank body 9-1, and the temperature required by anaerobic reaction is kept. The air outlet at the top of the second tank body 9-1 is connected and communicated with the air pipe 8, the bottom is provided with a second conical settling tank 9-3 with a slag discharge port, and biogas generated by the reaction of slurry in the second anaerobic fermentation tank 9 and microorganisms is discharged to the air pipe 8 through the top for collection and utilization, and inorganic heavy sediment in the slurry entering the second tank body 9-1 can sink to the second conical settling tank 9-3 to be discharged periodically. A flashboard is arranged at a slag discharging port of a second conical sinking groove 9-3 of the second tank body 9-1, a shaftless blade conveying mechanism 3 is arranged at the lower part of the flashboard, and fixed slag such as gravel is periodically discharged out of the second tank body 9-1 through the shaftless blade conveying mechanism 3, so that the normal operation of the anaerobic fermentation tank is ensured.
As shown in FIG. 1, the second partition 9-2 of the present utility model has a plurality of flow passage holes through which slurry passes, and the second partition 9-2 is disposed in the second tank 9-1 at intervals in the height direction and divides the tank into a plurality of treatment areas, each of which has a different anaerobic microorganism concentration. As shown in fig. 1, five second partition boards 9-2 are arranged in the second tank body 9-1, the slurry can be continuously redistributed through the plurality of second partition boards 9-2 in the slurry distribution and flow pushing processes, especially anaerobic microorganisms with different concentrations in each treatment area and the slurry can be stirred and mixed, the problem of uneven mixing caused by local short circuit of the slurry is thoroughly solved, anaerobic fermentation reaction of the slurry entering the second anaerobic fermentation tank 9 under the action of flow pushing is ensured, thoroughly digested liquid is discharged from the second tank body 9-1, and anaerobic fermentation efficiency can be improved. The upper part of a second partition plate 9-2 positioned at the top of a second tank body 9-1 is provided with a second overflow groove 9-4, the second overflow groove 9-4 is connected and communicated with a discharge hole of the second tank body 9-1 through a second discharge pipe 9-5, and as the top of the second overflow groove 9-4 is in an opening shape, slurry subjected to anaerobic fermentation treatment overflows into the second overflow groove 9-4 and is discharged through the second overflow groove 9-4 and the second discharge pipe 9-5 through the discharge hole of the second tank body 9-1.
As shown in FIG. 1, the second partition plates 9-2 are uniformly arranged in the second tank body 9-1, a plurality of supporting seats are arranged on the peripheral wall of the second tank body 9-1, each second partition plate 9-2 is correspondingly arranged on each supporting seat, flow passage holes in the second partition plates 9-2 are uniformly arranged, and slurry can be more uniformly pushed when passing through the second partition plates 9-2, so that the mixing homogenization is enhanced.
As shown in figure 1, the lower part of a first tank body 1-1 is connected and communicated with the lower part of a second tank body 9-1 through a pulse path pipe 4 and a return pipeline 7, a pulse pump 5 is arranged on the pulse path pipe 4, a balance valve 6 is arranged on the return pipeline 7, the pulse pump 5 is used for adding slurry into the second tank body 9-1, the change of the liquid level and the return balance between the first tank body 1-1 and the second tank body 9-1 are generated by controlling the pulse pump 5 and the balance valve 6, the whole slurry in the tank plays a role of pushing and stirring, so that the slurry in two anaerobic fermentation tanks is fully mixed at the same time and fully contacted and reacted with anaerobic microorganisms, and meanwhile, the residence time of the slurry in the anaerobic fermentation tanks can be reduced and the anaerobic fermentation efficiency can be improved through the change of the liquid level between the two anaerobic fermentation tanks.
As shown in fig. 1, the pulse path pipe 4 and the return line 7 are positioned on the same horizontal plane, and the independent pulse path pipe 4 and the return line 7 can be adopted, the slurry in the first tank body 1-1 is sent into the second tank body 9-1 by controlling the pulse pump 5 on the pulse path pipe 4, so that the liquid level difference of the two tanks is generated, the slurry in each tank body is integrally pushed and stirred, and the slurry in the second tank body 9-1 is returned into the first tank body 1-1 by the balance valve 6 on the return line 7, so that the slurry in the two tank bodies reaches the same liquid level and is in return balance.
As shown in fig. 4, one end of a pulse pump 5 and one end of a balance valve 6 of the anaerobic fermentation tank are connected and communicated with a pulse pipeline 4, the other ends of the pulse pump 5 and the balance valve 6 are connected and communicated with a return pipeline 7, so that the pulse pump 5 and the balance valve 6 are arranged in parallel and connected with the pulse pipeline 4 and the return pipeline 7, and the liquid difference and balance in the anaerobic fermentation tanks are realized by controlling the pulse pump 5 and the balance valve 6.
When the high-efficiency plug-flow anaerobic fermentation tank group works, one pulse and balance are used as one cycle period, and the high-efficiency plug-flow anaerobic fermentation tank group mainly comprises three stages. In the first stage, as shown in fig. 2, the pulse pump 5 is turned on, the slurry in the first tank 1-1 is added into the second tank 9-1, the slurry in the first tank 1-1 flows down from above to realize plug flow, and is stirred and mixed by the first partition plate 1-2, and the slurry in the second tank 9-1 flows down to realize plug flow, and is stirred and mixed by the second partition plate 9-2, and at the moment, the liquid level of the second tank 9-1 is higher than the liquid level of the first tank 1-1 until the liquid level of the second tank 9-1 reaches the highest position. In the second stage, as shown in fig. 3, the pulse pump 5 is closed, the balance valve 6 is opened, the slurry in the second tank 9-1 flows into the first tank 1-1 through the return line 7, at this time, the slurry in the first tank 1-1 flows from bottom to top to achieve plug flow, and is distributed again by the first partition plate 1-2 to be stirred and mixed, and simultaneously the slurry in the second tank 9-1 flows from top to bottom to achieve plug flow, and is distributed again by the second partition plate 9-2 to be stirred and mixed, until the slurry in the first tank 1-1 and the slurry level in the second tank 9-1 are leveled as shown in fig. 4, to the third stage. In the pulse and balance process, the slurry and microorganisms are fully mixed and reacted, the slurry is discharged from the overflow grooves and the discharge pipes of the slurry after the reaction is completed, the produced biogas is discharged into the air pipe 8 from the top, and the pulse combination is carried out in the anaerobic fermentation tank for anaerobic fermentation treatment, so that the volume load rate is improved, and the anaerobic fermentation efficiency is also improved.
Claims (8)
1. A high-efficient plug-flow anaerobic fermentation tank group which characterized in that: comprises a first anaerobic fermentation tank (1) and a second anaerobic fermentation tank (9) which are independent;
the first anaerobic fermentation tank (1) comprises a first tank body (1-1), a plurality of first partition boards (1-2) and a first overflow tank (1-5), wherein a feed pipe (1-3) is arranged at the lower part of the first tank body (1-1), an air outlet at the top is communicated with an air pipe (8), the feed pipe (1-3) extends into the middle part of the first tank body (1-1) and the outlet is upward, a first conical settling tank (1-4) with a slag discharge port is arranged at the bottom of the first tank body (1-1), the first partition boards (1-2) are provided with a plurality of runner holes through which slurry passes, the first partition boards (1-2) are arranged in the first tank body (1-1) at intervals along the height direction and divide the tank into a plurality of treatment areas, the first tank body (1-1) is provided with a first overflow tank (1-5) at the upper part of the first partition board (1-2), and the first overflow tank (1-5) is communicated with a discharge port of the first tank body (1-1) through a first discharge pipe (1-6);
the second anaerobic fermentation tank (9) comprises a second tank body (9-1), a plurality of second partition boards (9-2) and a second overflow tank (9-4), wherein an air outlet at the top of the second tank body (9-1) is connected and communicated with an air pipe (8), a second conical sinking tank (9-3) with a slag discharge port is arranged at the bottom, the second partition boards (9-2) are provided with a plurality of flow passage holes through which slurry passes, the second partition boards (9-2) are arranged in the second tank body (9-1) at intervals along the height direction and divide the tank into a plurality of treatment areas, the second tank body (9-1) is provided with the second overflow tank (9-4) at the upper part of the second partition board (9-2) at the top, and the second overflow tank (9-4) is connected and communicated with the discharge port of the second tank body (9-1) through a second discharge pipe (9-5);
the lower part of the first tank body (1-1) is connected and communicated with the lower part of the second tank body (9-1) through a pulse pipeline (4) and a return pipeline (7), a pulse pump (5) is arranged on the pulse pipeline (4), and a balance valve (6) is arranged on the return pipeline (7).
2. The efficient plug-flow anaerobic fermentor set of claim 1, wherein: the heat insulation layers (2) are arranged outside the first tank body (1-1) and the second tank body (9-1).
3. The efficient plug-flow anaerobic fermentor set of claim 1, wherein: the pulse pipeline (4) and the return pipeline (7) are positioned on the same horizontal plane.
4. The efficient plug-flow anaerobic fermentor set of claim 1, wherein: one end of the pulse pump (5) and one end of the balance valve (6) are connected and communicated with the pulse pipeline (4), and the other end of the pulse pump (5) and the other end of the balance valve (6) are connected and communicated with the return pipeline (7).
5. The efficient plug-flow anaerobic fermentor set of claim 1, wherein: the first partition plates (1-2) are uniformly arranged in the first tank body (1-1), a plurality of supporting seats are arranged on the peripheral wall of the first tank body (1-1), each first partition plate (1-2) is correspondingly arranged on each supporting seat, and runner holes in the first partition plates (1-2) are uniformly arranged.
6. The efficient plug-flow anaerobic fermentor set of claim 1, wherein: the second partition plates (9-2) are uniformly arranged in the second tank body (9-1), a plurality of supporting seats are arranged on the peripheral wall of the second tank body (9-1), each second partition plate (9-2) is correspondingly arranged on each supporting seat, and runner holes in the second partition plates (9-2) are uniformly arranged.
7. The efficient plug-flow anaerobic fermentor set of claim 1, wherein: the slag discharging port of the first conical sinking groove (1-4) of the first tank body (1-1) is provided with a flashboard, and the lower part of the flashboard is provided with a shaftless blade feeding mechanism (3).
8. The efficient plug-flow anaerobic fermentor set of claim 1, wherein: the slag discharging port of the second conical sinking groove (9-3) of the second tank body (9-1) is provided with a flashboard, and the lower part of the flashboard is provided with a shaftless blade feeding mechanism (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321017740.7U CN219730676U (en) | 2023-04-29 | 2023-04-29 | High-efficiency plug-flow anaerobic fermentation tank group |
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| CN202321017740.7U CN219730676U (en) | 2023-04-29 | 2023-04-29 | High-efficiency plug-flow anaerobic fermentation tank group |
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| CN219730676U true CN219730676U (en) | 2023-09-22 |
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