CN218262132U - Compressed air driven aerobic biofilm reaction device - Google Patents
Compressed air driven aerobic biofilm reaction device Download PDFInfo
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- CN218262132U CN218262132U CN202122937071.2U CN202122937071U CN218262132U CN 218262132 U CN218262132 U CN 218262132U CN 202122937071 U CN202122937071 U CN 202122937071U CN 218262132 U CN218262132 U CN 218262132U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 54
- 239000002351 wastewater Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000004062 sedimentation Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims description 19
- 238000005276 aerator Methods 0.000 claims description 6
- 239000013049 sediment Substances 0.000 abstract 1
- 238000005273 aeration Methods 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000010865 sewage Substances 0.000 description 7
- 230000002950 deficient Effects 0.000 description 4
- 230000000813 microbial effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000035755 proliferation Effects 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses an aerobic biomembrane reaction device driven by compressed air, which comprises a primary aerobic reaction tower, a secondary aerobic reaction tower, a defoaming system and an aerobic sedimentation tank; the method is characterized in that: compressed air and wastewater enter a primary aerobic reaction tower from the bottom of the primary aerobic reaction tower, are distributed by a gas-water distribution system, and then flow out after being filled; then enters a secondary aerobic reaction tower from the bottom of the secondary aerobic reaction tower, is distributed by a gas-water distribution system, and then flows out after being filled; then flows into a defoaming system from the bottom of the defoaming system, defoams through a microchannel defoaming plate and then flows out from a wastewater outlet III; and the wastewater enters an aerobic sedimentation tank, after sedimentation, the wastewater flows out from a wastewater outlet IV arranged at the upper part of the aerobic sedimentation tank, and the sediment flows back to an aerobic front section from a sludge return port arranged at the bottom of the aerobic sedimentation tank.
Description
Technical Field
The utility model particularly relates to the technical field of wastewater treatment, particularly to a compressed air driven aerobic biomembrane reaction device.
Background
The biological treatment technology taking the microbial technology as the core plays an irreplaceable role in wastewater treatment. Wherein, the aerobic biological treatment technology of the wastewater is an important component of a wastewater treatment technology system and has good development prospect.
CN101062815A relates to a device for treating sewage by a biological method, in particular to an anoxic and aerobic biological membrane sewage purification bed. The oxygen-deficient aerobic aeration bed comprises a bed body, an oxygen-deficient unit, an aerobic unit, a partition wall, a communicating pipe, a water inlet pipe, a water outlet pipe, a backflow pipe, filler, an aeration pipe and a diaphragm type microporous aerator, wherein the oxygen-deficient unit is arranged on the outer side of the bed body, the aerobic unit is arranged on the inner side of the bed body, the communicating pipe is arranged between the tail end of the oxygen-deficient unit and the aerobic unit, the diaphragm type microporous aerator is arranged at the bottom of the aerobic unit of the bed body, and the water outlet pipe is connected with the water inlet pipe through the backflow pipe. When sewage enters the anoxic unit, the denitrification process and part of organic matters are removed, and in the aerobic unit, residual organic matters in the sewage are further degraded under the action of an aerobic bacterial membrane, and ammonia nitrogen is converted into nitrate nitrogen through nitrification. And the treated effluent is refluxed to the anoxic unit again to carry out denitrification process, so that nitrate nitrogen is removed more thoroughly. The invention realizes the integration of oxygen deficiency and oxygen deficiency by using a bed structure, and can effectively treat high-concentration organic wastewater.
CN105565479A is an aerobic moving bed biofilm reactor, which belongs to the field of sewage treatment. Aiming at the problems of large maintenance difficulty and short service life of the existing buried sewage treatment equipment produced by the A/O biological contact oxidation process, the aerobic moving bed biofilm reactor with simple structure and easy maintenance is provided. The reactor comprises an inner tank body and an outer tank body of the reactor, the inner tank body of the reactor is communicated with a water inlet pipe, a suspended biological carrier is filled in the inner tank body, a center inspection opening is formed in the top cover of the inner tank body and the outer tank body of the reactor, a high-pressure vortex fan is arranged at the center inspection opening, a lifting aeration device is arranged at the bottom of the inner tank body and is connected with the high-pressure vortex fan through a hose, a diversion trench is formed between the inner tank body and the outer tank body, and a water outlet pipe is arranged in the outer tank body. The aerobic moving bed biofilm reactor realizes the miniaturization of equipment, has low production cost, simple structure and easy maintenance, and has wide application prospect.
CN102557241B discloses an integrated aerobic biofilm reactor, which is characterized by comprising a reactor body, a base and a support, wherein the reactor body is fixed on the base through the support, and is divided into a settling zone, a water outlet zone, a reaction zone and a water inlet zone from bottom to top; a vertical frame is fixedly arranged on the base; a sludge discharge port controlled to be closed through a valve is arranged at the bottom of the settling zone; a water outlet is formed in the side wall of the water outlet area; an aeration head is arranged at the bottom of the reaction zone, and a light carrier is added in the reaction zone; a water distributor, a water inlet pipe and a horizontal frame are arranged above the water inlet area; hollow aeration guide pipes penetrate through the water inlet area and the reaction area, and aeration pipes for aeration penetrate through the hollow aeration guide pipes to be connected with the aeration heads. The invention adopts a unique water inlet and outlet mode of upper inlet and lower outlet, is convenient for gas-liquid contact, ensures the turbulent flow state of gas-liquid in the reactor and has better mixing effect.
The biofilter of the traditional biofilm method is easy to be blocked, usually needs periodic back washing, and simultaneously, the fixed filler and the aeration equipment are difficult to replace; since the carrier particles in the biological fluidized bed reactor can only function in a fluidized state, the conventional biofilm process has poor operational stability.
Disclosure of Invention
An object of the utility model is to provide a compressed air driven good oxygen biomembrane reaction device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a compressed air driven aerobic biomembrane reaction device comprises a primary aerobic reaction tower, a secondary aerobic reaction tower, a defoaming system and an aerobic sedimentation tank; the method is characterized in that: compressed air and wastewater enter a primary aerobic reaction tower from a compressed air inlet and a wastewater inlet I arranged at the bottom of the primary aerobic reaction tower, are distributed by an air-water distribution system and then flow out from a wastewater outlet I through a filler; the wastewater flowing out of the wastewater outlet I enters the secondary aerobic reaction tower from a wastewater inlet II arranged at the bottom of the secondary aerobic reaction tower, is distributed by a gas-water distribution system, and then flows out of the wastewater outlet II after passing through a filler; the wastewater flowing out of the wastewater outlet II flows into the defoaming system from a wastewater inlet III arranged at the bottom of the defoaming system, and flows out of the wastewater outlet III after being defoamed by the microchannel defoaming plate; and the wastewater flowing out of the wastewater outlet III flows into the aerobic sedimentation tank from a wastewater inlet IV arranged at the upper part of the aerobic sedimentation tank, the wastewater flows out of a wastewater outlet IV arranged at the upper part of the aerobic sedimentation tank after sedimentation, and the settled wastewater flows back to the aerobic front section from a sludge return opening arranged at the bottom of the aerobic sedimentation tank.
Preferably, the first-stage aerobic reaction tower and the second-stage aerobic reaction tower are of closed tower structures, and the packing is arranged inside the first-stage aerobic reaction tower and the second-stage aerobic reaction tower.
Preferably, the filler is a mixture of one or more highly effective biological fillers.
Preferably, the compressed air and the wastewater enter the tower and pass through the air-water distribution system, so that the air is fully dissolved in the water and is fully contacted with the filler in the tower to form an aerobic reaction system.
Preferably, the gas-water distribution system adopts a nano aerator.
Preferably, the micro-channel defoaming plate is provided with 50-100 micropores, and the inner diameter of the widest part of the micropores is 25-200 μm.
Preferably, the whole micropore is heart-shaped, circular or oval.
Compared with the prior art, the beneficial effects of the utility model are that: the aerobic biomembrane reaction device driven by compressed air,
1. the biological filler is driven by compressed air, can swing in sewage along with the entering of the compressed air, can take dissolved oxygen in water, and can improve the high efficiency of water contact and the sludge load of organic compounds; 2. the nano aerator has the advantages of small bubbles, large gas-liquid area, uniform bubble diffusion, no eyelet blockage and strong corrosion resistance, and can fully dissolve air in wastewater and dissolve oxygen to achieve aerobic reaction.
3. The adopted biological filler can fix various microbial strains in the space composition of the filler, and an optimal natural environment with various microbial strains coexisting is generated; on the surface layer, the COD index is lowered by the proliferation of aerobic microbial species, and the microbial denitrification can be performed by the proliferation of anaerobic fermentative microbial species inside the reactor.
Drawings
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a schematic structural view of a microchannel defoaming plate according to the present invention;
fig. 3 is a schematic view of the packing of the present invention.
In the figure: 1. the aerobic reaction tower of one-level, 2, the aerobic reaction tower of second grade, 3, defoaming system, 4, aerobic sedimentation tank, 5, compressed air entry, 6, waste water entry I,7, gas water distribution system, 8, waste water entry II,9, waste water export II,10, waste water entry III,11, waste water export III,12, waste water entry IV,13, waste water export IV,14, mud backward flow mouth, 15, microchannel defoaming board, 16, micropore, 17, filler, 18, the inner space of filler, 19, waste water export I.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a compressed air driven aerobic biomembrane reaction device comprises a primary aerobic reaction tower 1, a secondary aerobic reaction tower 2, a defoaming system 3 and an aerobic sedimentation tank 4; the method is characterized in that: compressed air and wastewater enter the first-stage aerobic reaction tower 1 from a compressed air inlet 5 and a wastewater inlet I6 which are arranged at the bottom of the first-stage aerobic reaction tower 1, are distributed by an air-water distribution system 7 and then flow out from a wastewater outlet I19 through a filler 17; the wastewater flowing out of the wastewater outlet I19 enters the secondary aerobic reaction tower 1 from a wastewater inlet II8 arranged at the bottom of the secondary aerobic reaction tower 2, is distributed by the gas-water distribution system 7, passes through the filler 17 and then flows out of a wastewater outlet II 9; the wastewater flowing out from the wastewater outlet II9 flows into the defoaming system 3 from a wastewater inlet III10 arranged at the bottom of the defoaming system 3, is defoamed by a microchannel defoaming plate 15 and then flows out from a wastewater outlet III 11; the wastewater flowing out of the wastewater outlet III11 flows into the aerobic sedimentation tank 4 from a wastewater inlet IV12 arranged at the upper part of the aerobic sedimentation tank 4, the wastewater after sedimentation flows out of a wastewater outlet IV13 arranged at the upper part of the aerobic sedimentation tank 4, and the precipitated sludge flows back to the aerobic front section from a sludge return port 14 arranged at the bottom of the aerobic sedimentation tank 4.
Referring to fig. 1, the primary aerobic reaction tower 1 and the secondary aerobic reaction tower 2 are closed tower structures, and a filler 17 is arranged inside the closed tower structures.
Referring to fig. 1, the compressed air and the wastewater enter the tower and pass through the air-water distribution system 7, so that the air is fully dissolved in the water and fully contacts with the filler 17 in the tower, and an aerobic reaction system is formed.
Referring to fig. 1, the gas-water distribution system 7 employs a nano aerator.
Referring to fig. 2, the microchannel defoaming plate 15 has 50-100 micropores 16, and the inner diameter of the widest part of the micropores 16 is 25-200 μm.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. An aerobic biomembrane reaction device driven by compressed air comprises a primary aerobic reaction tower (1), a defoaming system (3) and an aerobic sedimentation tank (4); the method is characterized in that: the bottom of the first-stage aerobic reaction tower (1) is provided with a compressed air inlet (5) connected with a wastewater inlet I (6), the wastewater inlet I (6) is connected with the first-stage aerobic reaction tower (1), a gas-water distribution system (7) and a filler (17) are arranged in the first-stage aerobic reaction tower (1), and the first-stage aerobic reaction tower (1) is provided with a wastewater outlet I (19) connected with the second-stage aerobic reaction tower (2); the bottom of the second-stage aerobic reaction tower (2) is provided with a wastewater inlet II (8), and the second-stage aerobic reaction tower (2) is connected with the wastewater inlet II; the primary aerobic reaction tower (1) is provided with a wastewater outlet II (9) which is connected with a wastewater inlet III (10) at the bottom of the defoaming system (3); the micro-channel defoaming plate (15) is connected with a wastewater outlet III (11); the wastewater outlet III (11) is connected with a wastewater inlet IV (12) arranged at the upper part of the aerobic sedimentation tank (4), a wastewater outlet IV (13) is arranged at the upper part of the aerobic sedimentation tank (4), and a sludge return opening (14) is arranged at the bottom of the aerobic sedimentation tank (4).
2. The apparatus according to claim 1, wherein the compressed air-driven aerobic biofilm reactor comprises: the first-stage aerobic reaction tower (1) and the second-stage aerobic reaction tower (2) are of closed tower structures, and the interior of the tower structures is provided with a filler (17).
3. The apparatus according to claim 1, wherein the compressed air-driven aerobic biofilm reactor comprises: the interior of the tower passes through a gas-water distribution system (7) and forms an aerobic reaction system with the filler (17) in the tower.
4. The apparatus according to claim 1, wherein the compressed air-driven aerobic biofilm reactor comprises: the gas-water distribution system (7) adopts a nano aerator.
5. The apparatus according to claim 1, wherein the compressed air-driven aerobic biofilm reactor comprises: the micro-channel defoaming plate (15) is provided with 50-100 micropores (16), and the inner diameter of the widest part of each micropore (16) is 25-200 mu m.
6. The aerobic biofilm reactor as recited in claim 5, wherein: the whole micropore (16) is heart-shaped, circular or elliptical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122937071.2U CN218262132U (en) | 2021-11-27 | 2021-11-27 | Compressed air driven aerobic biofilm reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122937071.2U CN218262132U (en) | 2021-11-27 | 2021-11-27 | Compressed air driven aerobic biofilm reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218262132U true CN218262132U (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122937071.2U Active CN218262132U (en) | 2021-11-27 | 2021-11-27 | Compressed air driven aerobic biofilm reaction device |
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| CN (1) | CN218262132U (en) |
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2021
- 2021-11-27 CN CN202122937071.2U patent/CN218262132U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A compressed air driven aerobic biofilm reactor Effective date of registration: 20231220 Granted publication date: 20230110 Pledgee: China Construction Bank Corporation Dalian high tech Industrial Park sub branch Pledgor: LIAONING ZHONGZHOU DESHUI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2023980072998 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |