CN203200077U - Nitrogen and phosphorus removal floating fluidifying system by pressure aeration - Google Patents
Nitrogen and phosphorus removal floating fluidifying system by pressure aeration Download PDFInfo
- Publication number
- CN203200077U CN203200077U CN 201320108011 CN201320108011U CN203200077U CN 203200077 U CN203200077 U CN 203200077U CN 201320108011 CN201320108011 CN 201320108011 CN 201320108011 U CN201320108011 U CN 201320108011U CN 203200077 U CN203200077 U CN 203200077U
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- fluidizer
- unsteady
- water
- pressurized aeration
- anaerobism
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a nitrogen and phosphorus removal floating fluidifying system by pressure aeration. The system comprises a secondary settling tank, an anaerobic floating fluidifying device, a floating fluidifying device by pressure aeration, an adjusting pool and a discharge pool. When wastewater passes through the anaerobic floating fluidifying device filled by spherical suspended filler continuously, a biofilm is grown on the spherical suspended filler. Heterotrophic bacteria on the biofilm can realize denitrification to remove part of nitrogen and part of phosphorus. After compressed air is introduced to wastewater, the wastewater enters into the floating fluidifying device by pressure aeration. When the wastewater flows continuously, a biofilm is further grown on the surface of block suspended elastic filler in the floating fluidifying device by pressure aeration. The biofilm improves the infiltration capacity of oxygen, so that entire zoogloea is in an aerobiotic environment to increase biomass taking part in bio-reaction, so that the biochemical reaction is accelerated and the treatment efficiency is high.
Description
Technical field
The utility model relates to sewage treatment area, particularly the unsteady fluidization system of a kind of pressurized aeration denitrogenation dephosphorizing.
Background technology
At present, as everyone knows, biological sewage treatment is sent out and is divided into activated sludge process and biomembrance process, all have underload, shock-resistant ability is strong, characteristics such as sewage stable water outlet, but along with raising and the industrial development of people's living standard, ammonia nitrogen and total phosphorous raise in the waste water, directly cause in the water outlet of sewage disposal treatment facility these indexs higher; On the other hand, for solving the discharging of city domestic sewage and trade effluent, improve quality of the region's water, country is also improving constantly sewage drainage standard.
The most frequently used biological denitrificaion method and nitration processes and denitrification process in water technology, namely autotrophic bacteria is finished nitration reaction under aerobic condition, is detesting/have heterotrophic bacterium to finish denitrification under the anoxia condition, and ammonia nitrogen in the water is oxidized to NO
3-, NO
2-and nitrite, under anaerobic carry out denitrogenation, with N
2The form of gas is discharged.
Existing widely used denitrification dephosphorization system is all comprising the space or the time is gone up replacing of anaerobism, anoxic and aerobic three kinds of states, by adjusting and optimizing the array mode of three kinds of states and quantity thereof in spatial and temporal distributions, reflux type and position, reach the purpose of high-efficient denitrification and dephosphorization, but be subjected to the restriction in place, space, certainly will increase cost if introduce big structures, and adopt this denitrification dephosphorization system mainly to remove the solvability inorganic phosphorus, nearly unavailable to organophosphorus.
The utility model content
At the problem that prior art exists, the utility model aims to provide the unsteady fluidization system of pressurized aeration denitrogenation dephosphorizing that a kind of anti-shock loading is strong, processing efficiency is high, floor space is little.
The utility model provides a kind of pressurized aeration denitrogenation dephosphorizing fluidization system that floats, and comprises second pond, equalizing tank, discharging pond, anaerobism fluidizer and the pressurized aeration fluidizer that floats that floats.
The feed-water end of the unsteady fluidizer of described anaerobism is connected in second pond by topping-up pump, the water side of the unsteady fluidizer of described anaerobism is connected by the feed-water end of vacuum breaker and the unsteady fluidizer of described pressurized aeration, and described pressurized aeration floats and is provided with air compressor machine between fluidizer and the described vacuum breaker, and described equalizing tank and discharging pond are connected in parallel in the water side of the unsteady fluidizer of described pressurized aeration by the air water splitter.
Further, the unsteady fluidizer inside of described anaerobism is provided with first upper water distributor and first lower water-dispensing device from top to bottom, and is provided with spherical suspending filling material between described first upper water distributor and described first lower water-dispensing device.
Further, the unsteady fluidizer inside of described pressurized aeration is provided with second upper water distributor and second lower water-dispensing device from top to bottom, and is provided with block suspension elastic filler between described second upper water distributor and described second lower water-dispensing device.
Further, the top that described topping-up pump and described anaerobism are floated between the fluidizer, described anaerobism is floated the top of fluidizer, described pressurized aeration floats fluidizer is equipped with tensimeter.
Further, the top of the unsteady fluidizer of described anaerobism, the top of the unsteady fluidizer of described pressurized aeration and the top of described air water splitter are provided with vent valve.
The described pressurized aeration denitrogenation dephosphorizing that the utility model provides floats in the fluidization system, waste water is when floating fluidizer through the anaerobism that spherical suspending filling material is housed continuously, biofilm growth formation on described spherical suspending filling material, heterotrophic bacterium can be finished denitrification and removed a part of nitrogen and remove a part of phosphorus on the microbial film; Waste water enters the unsteady fluidizer of pressurized aeration after feeding pressurized air, the bulk suspension elastic filler of the unsteady fluidizer inside of this pressurized aeration is out-of-date in the waste water Continuous Flow, its surface also forms microbial film, microbial film has improved the penetrating power of oxygen, make whole zoogloea all be in aerobic environment, increase the biomass of participation biological respinse, thereby accelerated biochemical reaction, the processing efficiency height.
Description of drawings
Fig. 1 is the float structural representation of fluidization system of a kind of pressurized aeration denitrogenation dephosphorizing that the utility model proposes.
The drawing reference numeral explanation
Second pond 100 equalizing tanks 200 discharging ponds 300
Topping-up pump 1 tensimeter 2 vent valves 3
Anaerobism fluidizer 4 first upper water distributors 5 spherical suspending filling materials 6 that float
First lower water-dispensing device, 7 outlet valves, the 8 pressurized aerations fluidizer 9 that floats
Block suspension elastic filler 10 vacuum breaker 11 air compressor machines 12
Air water splitter 13 second upper water distributors 14 second lower water-dispensing devices 15
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment:
Please refer to Fig. 1, the utility model provides a kind of pressurized aeration denitrogenation dephosphorizing fluidization system that floats, and comprises second pond 100, equalizing tank 200, discharging pond 300, anaerobism fluidizer 4 and the pressurized aeration fluidizer 5 that floats that floats.
Please refer to Fig. 1, the feed-water end of the unsteady fluidizer 4 of described anaerobism is connected in second pond 100 by topping-up pump 1, the water side of the unsteady fluidizer 4 of described anaerobism is connected by the feed-water end of outlet valve 8 vacuum breaker 11 and the unsteady fluidizer 9 of described pressurized aeration, and described pressurized aeration floats and is provided with air compressor machine 12 between fluidizer 9 and the described vacuum breaker 11, and described equalizing tank 200 and discharging pond 300 are connected in parallel in the water side of the unsteady fluidizer 9 of described pressurized aeration by air water splitter 13.
Please refer to Fig. 1, unsteady fluidizer 4 inside of described anaerobism are provided with first upper water distributor 5 and first lower water-dispensing device 7 from top to bottom, and are provided with spherical suspending filling material 6 between described first upper water distributor 5 and described first lower water-dispensing device 7.
Please refer to Fig. 1, unsteady fluidizer 9 inside of described pressurized aeration are provided with second upper water distributor 14 and second lower water-dispensing device 15 from top to bottom, and are provided with block suspension elastic filler 10 between described second upper water distributor 14 and described second lower water-dispensing device 15.
Please refer to Fig. 1, the top that described topping-up pump 1 and described anaerobism are floated between the fluidizer 4, described anaerobism is floated the top of fluidizer 4, described pressurized aeration floats fluidizer 9 is equipped with tensimeter 2.
Please refer to Fig. 1, the top of the unsteady fluidizer 4 of described anaerobism, the top of the unsteady fluidizer 9 of described pressurized aeration and the top of described air water splitter 13 are provided with vent valve 3.
During work, please refer to Fig. 1, waste water flows into the unsteady fluidizer 4 of anaerobism from second pond 100 from bottom to top through topping-up pump 1, by be positioned at described anaerobism float fluidizer 4 bottoms 7 equilibriums of first lower water-dispensing device flow into the float spherical suspending filling material 6 at fluidizer 4 middle parts of described anaerobism from bottom to top, described spherical suspending filling material 6 has been carried out the anaerobic sludge inoculation in advance, waste water is when floating fluidizer 4 through the anaerobism that spherical suspending filling material 6 is housed continuously, biofilm growth formation on spherical suspending filling material 6, heterotrophic bacterium is finished denitrification and removes a part of nitrogen and phosphorus on the microbial film; Float fluidizer 4 behind outlet valve 8 and vacuum breaker 11 from anaerobism, waste water enters the unsteady fluidizer 9 of pressurized aeration after feeding pressurized air by air compressor machine 12, by be positioned at described pressurized aeration float fluidizer 9 bottoms 15 equilibriums of second lower water-dispensing device flow into the float bulk suspension elastic filler 10 at fluidizer 9 middle parts of described pressurized aeration from bottom to top, also form microbial film on described block suspension elastic filler 10 surfaces, microbial film is supported sufficient under the environment of pressurized aeration, improved the penetrating power of oxygen, make whole zoogloea all be in oxygen condition, increase the biomass of participation biological respinse, thereby accelerated biochemical reaction.Behind the water outlet water outlet process air water splitter 13, gas enters equalizing tank 200 and carries out preaeration to realize that once pressurization repeatedly utilizes, the direct qualified discharge of water.Because water inlet is second pond 100 water outlets, the whole reactor load is low, and denitrification produces N
2, do not need to discharge mud substantially in the gas separator discharge.
Described pressurized aeration denitrogenation dephosphorizing floats in the fluidization system, waste water is when floating fluidizer 4 through the anaerobism that spherical suspending filling material 6 is housed continuously, biofilm growth formation on described spherical suspending filling material 6, heterotrophic bacterium can be finished denitrification and removed a part of nitrogen and remove a part of phosphorus on the microbial film; Waste water enters the unsteady fluidizer 9 of pressurized aeration after feeding pressurized air, the bulk suspension elastic filler 10 of unsteady fluidizer 9 inside of this pressurized aeration is out-of-date in the waste water Continuous Flow, its surface also forms microbial film, microbial film has improved the penetrating power of oxygen, make whole zoogloea all be in aerobic environment, increase the biomass of participation biological respinse, thereby accelerated biochemical reaction, the processing efficiency height.
By reference to the accompanying drawings the utility model has been carried out exemplary description above; obvious realization of the present utility model is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted technical solutions of the utility model to carry out; or without improving design of the present utility model and technical scheme are directly applied to other occasion, all in protection domain of the present utility model.
Claims (5)
1. the pressurized aeration denitrogenation dephosphorizing fluidization system that floats, comprise second pond, equalizing tank and discharging pond, it is characterized in that, also comprise the unsteady fluidizer of anaerobism and the unsteady fluidizer of pressurized aeration, the feed-water end of the unsteady fluidizer of described anaerobism is connected in second pond by topping-up pump, the water side of the unsteady fluidizer of described anaerobism is connected by the feed-water end of vacuum breaker and the unsteady fluidizer of described pressurized aeration, and described pressurized aeration floats and is provided with air compressor machine between fluidizer and the described vacuum breaker, and described equalizing tank and discharging pond are connected in parallel in the water side of the unsteady fluidizer of described pressurized aeration by the air water splitter.
2. the pressurized aeration denitrogenation dephosphorizing according to claim 1 fluidization system that floats, it is characterized in that, the unsteady fluidizer inside of described anaerobism is provided with first upper water distributor and first lower water-dispensing device from top to bottom, and is provided with spherical suspending filling material between described first upper water distributor and described first lower water-dispensing device.
3. the pressurized aeration denitrogenation dephosphorizing according to claim 1 fluidization system that floats, it is characterized in that, the unsteady fluidizer inside of described pressurized aeration is provided with second upper water distributor and second lower water-dispensing device from top to bottom, and is provided with block suspension elastic filler between described second upper water distributor and described second lower water-dispensing device.
4. the pressurized aeration denitrogenation dephosphorizing according to claim 1 fluidization system that floats, it is characterized in that the top that described topping-up pump and described anaerobism are floated between the fluidizer, described anaerobism is floated the top of fluidizer, described pressurized aeration floats fluidizer is equipped with tensimeter.
5. the unsteady fluidization system of pressurized aeration denitrogenation dephosphorizing according to claim 1 is characterized in that, the top of the unsteady fluidizer of described anaerobism, the top of the unsteady fluidizer of described pressurized aeration and the top of described air water splitter are provided with vent valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108011 CN203200077U (en) | 2013-03-11 | 2013-03-11 | Nitrogen and phosphorus removal floating fluidifying system by pressure aeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108011 CN203200077U (en) | 2013-03-11 | 2013-03-11 | Nitrogen and phosphorus removal floating fluidifying system by pressure aeration |
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| Publication Number | Publication Date |
|---|---|
| CN203200077U true CN203200077U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320108011 Expired - Fee Related CN203200077U (en) | 2013-03-11 | 2013-03-11 | Nitrogen and phosphorus removal floating fluidifying system by pressure aeration |
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| CN (1) | CN203200077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112939221A (en) * | 2021-02-25 | 2021-06-11 | 东华工程科技股份有限公司 | System and method for treating wastewater by pure membrane method post-denitrification |
-
2013
- 2013-03-11 CN CN 201320108011 patent/CN203200077U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112939221A (en) * | 2021-02-25 | 2021-06-11 | 东华工程科技股份有限公司 | System and method for treating wastewater by pure membrane method post-denitrification |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Lanhzou Aorun Environmental Protection Equipment Co., Ltd. Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20170311 |