CN210710919U - High-load composite aerobic biological reaction device - Google Patents
High-load composite aerobic biological reaction device Download PDFInfo
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- CN210710919U CN210710919U CN201921240810.9U CN201921240810U CN210710919U CN 210710919 U CN210710919 U CN 210710919U CN 201921240810 U CN201921240810 U CN 201921240810U CN 210710919 U CN210710919 U CN 210710919U
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- reactor
- water
- biological reaction
- aerobic biological
- reaction device
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 19
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000005276 aerator Methods 0.000 claims abstract description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000001301 oxygen Substances 0.000 claims abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 16
- 238000004062 sedimentation Methods 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 244000005700 microbiome Species 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000005273 aeration Methods 0.000 description 14
- 239000010802 sludge Substances 0.000 description 13
- 239000002351 wastewater Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model discloses a high-load composite aerobic biological reaction device, which comprises a reactor, an effluent weir, an aerator, an inlet pipe and an outlet pipe, wherein the effluent weir is arranged at the top of the reactor and is used for conveying treated sewage; the aerator is arranged at the bottom of the reactor and is used for increasing the oxygen content of the sewage; the water inlet pipe is arranged at the bottom of the reactor, the water outlet pipe is arranged at the top of the reactor and is communicated with the water outlet weir, and the other end of the water outlet pipe is communicated to an external sedimentation tank. The utility model discloses a compound aerobic biological reaction unit of high load adopts great height to compare reactor structure, sets up three-dimensional elastic filler, perforation multiple spot water distribution and revolves formula aerator and three-dimensional elastic filler multiple bubble cutting technique of mixing, effectively solves the problem that microorganism concentration is not enough and DO is not enough.
Description
Technical Field
The utility model belongs to the technical field of aerobic biological reaction, concretely relates to compound aerobic biological reaction device of high load.
Background
The high-load aeration method is an improved activated sludge method, and the process is characterized by high load rate, short aeration time, dissolved oxygen controlled at 0.1-0.5mg/L, microorganism in the activated sludge generally in logarithmic growth period, high proliferation speed, suitability for treating high-concentration organic wastewater such as food wastewater, slaughter wastewater, biopharmaceutical and the like, and CODcr removal rate generally in 40-70%. However, the high-load aeration method has low treatment efficiency in practical engineering application, and the analysis of the method mainly causes insufficient microorganism quantity and insufficient oxygen supply, although a secondary sedimentation tank can be arranged behind a high-load aeration tank, the activated sludge concentration in the tank is improved through sludge backflow, the activated concentration in the high-load aeration tank is in logarithmic growth period, the sludge sedimentation performance is poor, and the higher activated sludge concentration in the aeration tank is difficult to maintain by adopting a higher sludge backflow ratio; the high-load aeration tank has high oxygen consumption speed and higher requirement on the oxygen supply capacity of an aeration system, and large bubble diffusers in perforated aeration pipes, cyclone aerators, dynamic air diffusers and the like have large oxygen supply per unit area, but have large bubbles and lower oxygen utilization rate; microporous air diffusers such as microporous aerators, aeration hoses and membrane aeration pipes have small bubbles and high oxygen utilization rate, but the unit area oxygen supply amount is small, and the arrangement density of the aerators is limited.
SUMMERY OF THE UTILITY MODEL
To the problems existing in the prior art, the utility model provides a high-load composite aerobic biological reaction device.
The technical scheme of the utility model is that:
a high-load composite aerobic biological reaction device comprises a reactor, a water outlet weir, an aerator, a water inlet pipe and a water outlet pipe, wherein the water outlet weir is arranged at the top of the reactor and used for conveying treated sewage; the aerator is arranged at the bottom of the reactor and is used for increasing the oxygen content of the sewage; the water inlet pipe is arranged at the bottom of the reactor, the water outlet pipe is arranged at the top of the reactor and is communicated with the water outlet weir, and the other end of the water outlet pipe is communicated to an external sedimentation tank.
Preferably, the middle part of the reactor is also provided with a filler support, and the filler support is internally provided with a three-dimensional elastic filler for secondary cutting of bubbles in water.
Preferably, the quantity of inlet tube is 2, and it is inlet tube one and inlet tube two respectively, outside sedimentation tank is connected to inlet tube one, outside water installations is connected to inlet tube two.
Preferably, the external water inlet device may use one of a water pump and a high-level water tank.
Preferably, one end of the water inlet pipe II, which extends into the reactor, is provided with water in a perforation multi-point water distribution mode for increasing the contact area of water and air and improving the oxygen content of the water.
Preferably, the reactor is also provided with a blower outside, and the blower is connected with the aerator through an air inlet pipe and is used for supplying oxygen inside the reactor.
Adopt the technical scheme of the utility model, following beneficial effect has: the high-load composite aerobic biological reaction device of the utility model integrates the composite biological technology of the activated sludge method and the contact oxidation method, the perforation multi-point water distribution and rotary mixing type aerator and the three-dimensional elastic filler multi-time bubble cutting technology, and adopts a reactor structure with larger height-diameter ratio; has the technical advantages of high CODcr load, high treatment efficiency, high oxygen utilization rate, low investment cost and low operation cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention.
The attached drawings are marked as follows:
1. a reactor; 2. an effluent weir; 3. an aerator; 4. a first water inlet pipe; 5. a water inlet pipe II; 6. a water outlet pipe; 7. a filler support; 8. a three-dimensional elastic filler; 9. a blower; 10. an air inlet pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, the utility model provides a high-load composite aerobic biological reaction device, which comprises a reactor 1, an effluent weir 2, an aerator 3, an inlet pipe and an outlet pipe 6, wherein the effluent weir 2 is arranged at the top of the reactor 1 and is used for conveying treated sewage; the aerator 3 is arranged at the bottom of the reactor 1 and is used for increasing the oxygen content of the sewage; the water inlet pipe is arranged at the bottom of the reactor 1, the water outlet pipe 6 is arranged at the top of the reactor 1 and communicated with the water outlet weir 2, and the other end of the water outlet pipe is communicated to an external sedimentation tank. Preferably, the aerator is a rotary mixing aerator.
The middle part of the reactor 1 is also provided with a filler support 7, and a three-dimensional elastic filler 8 is arranged in the filler support 7 and used for secondary cutting of bubbles in water.
The quantity of inlet tube is 2, and it is inlet tube one 4 and inlet tube two 5 respectively, outside sedimentation tank is connected to inlet tube one 4, outside water installations is connected to inlet tube two 5. Preferably, the water inlet pipe I4 and the water outlet pipe 6 are communicated with the same sedimentation tank, the water outlet of the water outlet weir 2 flows into the sedimentation tank, and the sludge settled in the sedimentation tank flows back to the bottom of the reactor through a lower pipeline to keep the sludge concentration of the reactor.
The external water inlet means may use one of a water pump and a high-level water tank.
One end of the water inlet pipe II 5 extending into the reactor 1 is provided with water in a perforation multi-point water distribution mode, and the water inlet pipe II is used for increasing the contact area of water and air and improving the oxygen content of water.
The reactor 1 is also provided with a blower 9 outside, and the blower 9 is connected with the aerator 3 through an air inlet pipe 10 and is used for supplying oxygen inside the reactor.
The reaction process of the high-load composite aerobic biological reaction device of the utility model is as follows: in sewage entered into reactor 1 through inlet tube 5, air-blower 9 opened simultaneously and connected aerator 3 through intake pipe 10 and brought into a large amount of oxygen and fully mix with sewage, sewage reached certain volume and can flow to the sedimentation tank through outlet pipe 6 of play mill weir 2, the bottom of this sedimentation tank still makes the mud of sedimentation tank flow back to the reactor in through inlet tube 4 after deposiing, remain throughout in the reactor by sufficient mud, and the water on sedimentation tank upper strata then can discharge.
The utility model discloses the theory of operation does: the high-load composite aerobic biological reaction device of the utility model arranges the three-dimensional elastic filler at the middle lower part of the reactor, adopts the method of combining the activated sludge method and the contact oxidation method, and then adopts higher sludge reflux ratio, so that higher sludge concentration can be maintained in the high-load aeration tank, and enough microorganism amount is provided; the rotary mixing type aerators are densely distributed, sufficient air supply amount can be provided, air is cut for many times through two spiral passages of the rotary mixing type aerators, inverted umbrella-shaped sawteeth and three-dimensional elastic fillers respectively, bubbles are cut into micro bubbles, and the utilization rate of oxygen is high; the high-load aeration tank adopts a reactor structure with a larger height-diameter ratio, water inlet adopts perforated multipoint water distribution, and gas, liquid and solid phases are completely mixed by utilizing the stirring action of aeration and water flow, so that the utilization rate of oxygen is further improved.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (6)
1. A high-load composite aerobic biological reaction device is characterized in that: the system comprises a reactor, an effluent weir, an aerator, an inlet pipe and an outlet pipe, wherein the effluent weir is arranged at the top of the reactor and used for conveying treated sewage; the aerator is arranged at the bottom of the reactor and is used for increasing the oxygen content of the sewage; the water inlet pipe is arranged at the bottom of the reactor, the water outlet pipe is arranged at the top of the reactor and is communicated with the water outlet weir, and the other end of the water outlet pipe is communicated to an external sedimentation tank.
2. The high-load composite aerobic biological reaction device according to claim 1, wherein: the middle part of the reactor is also provided with a filler support, and the filler support is internally provided with a three-dimensional elastic filler for secondary cutting of bubbles in water.
3. The high-load composite aerobic biological reaction device according to claim 1, wherein: the quantity of inlet tube is 2, and it is inlet tube one and inlet tube two respectively, outside sedimentation tank is connected to inlet tube one, outside water installations is connected to inlet tube two.
4. The high-load composite aerobic biological reaction device according to claim 3, wherein: the external water inlet means may use one of a water pump and a high-level water tank.
5. The high-load composite aerobic biological reaction device according to claim 3, wherein: one end of the water inlet pipe II extending into the reactor adopts a perforation multi-point water distribution mode to feed water, and is used for increasing the contact area of water and air and improving the oxygen content of water.
6. The high-load composite aerobic biological reaction device according to claim 3, wherein: the reactor is also provided with a blower outside, and the blower is connected with an aerator through an air inlet pipe and is used for supplying oxygen inside the reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240810.9U CN210710919U (en) | 2019-07-30 | 2019-07-30 | High-load composite aerobic biological reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240810.9U CN210710919U (en) | 2019-07-30 | 2019-07-30 | High-load composite aerobic biological reaction device |
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| Publication Number | Publication Date |
|---|---|
| CN210710919U true CN210710919U (en) | 2020-06-09 |
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|---|---|---|---|
| CN201921240810.9U Active CN210710919U (en) | 2019-07-30 | 2019-07-30 | High-load composite aerobic biological reaction device |
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| Country | Link |
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| CN (1) | CN210710919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174303A (en) * | 2020-11-02 | 2021-01-05 | 安徽普氏生态环境工程有限公司 | Aeration device in biological aerated filter |
| CN112358031A (en) * | 2020-09-28 | 2021-02-12 | 安徽普氏生态环境工程有限公司 | Water and gas distribution structure of biological filter |
-
2019
- 2019-07-30 CN CN201921240810.9U patent/CN210710919U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358031A (en) * | 2020-09-28 | 2021-02-12 | 安徽普氏生态环境工程有限公司 | Water and gas distribution structure of biological filter |
| CN112358031B (en) * | 2020-09-28 | 2023-10-03 | 安徽普氏生态环境有限公司 | Water and gas distribution structure of biological filter |
| CN112174303A (en) * | 2020-11-02 | 2021-01-05 | 安徽普氏生态环境工程有限公司 | Aeration device in biological aerated filter |
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Denomination of utility model: A high load composite aerobic bioreactor device Effective date of registration: 20231211 Granted publication date: 20200609 Pledgee: Shenzhen Branch of Huishang Bank Co.,Ltd. Pledgor: HYNAR WATER Group Corp. Registration number: Y2023980070441 |