CN208857097U - A kind of addition slow release carbon source strengthened denitrification artificial wet land treating system - Google Patents
A kind of addition slow release carbon source strengthened denitrification artificial wet land treating system Download PDFInfo
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- CN208857097U CN208857097U CN201821180341.1U CN201821180341U CN208857097U CN 208857097 U CN208857097 U CN 208857097U CN 201821180341 U CN201821180341 U CN 201821180341U CN 208857097 U CN208857097 U CN 208857097U
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- carbon source
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- artificial swamp
- slow release
- wet land
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Abstract
The utility model discloses a kind of addition slow release carbon source strengthened denitrification artificial wet land treating systems.The utility model includes sewage pipe, sewage pipe connects carbon source pond, carbon source pond is set in buffer pool, elevator pump is equipped in buffer pool, elevator pump connects sparge pipe, and sparge pipe connects level-one artificial swamp, and level-one artificial swamp is connected with overfall dam, overfall dam is connected with second level artificial swamp, and second level artificial swamp connects braiding channel by drainpipe.The utility model adds slow release carbon source into carbon source pond, and the carbon-nitrogen ratio in wetland water inlet, and then the denitrification of strengthened artificial wet land can be improved, promote the nitric efficiency of wet land system；And, the slow release carbon source that the utility model is added into artificial swamp is plant biomass, the carbon source has the advantages that cheap, easy acquisition, operating cost are low, while the carbon source of plant biomass release is easy to microorganism and absorbs, degrades, and influences on effluent quality COD smaller.
Description
Technical field
The utility model relates to strengthened denitrification Treatment Technology of Constructed Wetland fields, more particularly, to a kind of addition slow release carbon source
Strengthened denitrification artificial wet land treating system.
Background technique
The key constraints of nitration reaction are the oxygen content of system, and the surface layer oxygen content of artificial swamp is more sufficient, energy
Control environment is provided for the nitrification of nitrifier, while can form aerobic environment in specific region by means such as drops is that nitrification is anti-
Favourable conditions should be provided, and the content for being discharged nitrate nitrogen in total nitrogen of natural water body and sewage treatment plant is higher, therefore in wetland system
The key of nitrification-denitrification reaction is that can anti-nitration reaction efficiently carry out in system.And denitrification process needs organic carbon to make
It is electron donor to restore nitrate nitrogen, therefore, organic carbon source is essential substance in denitrification process.For handling
In the artificial swamp of low-carbon-source sewage, since the background values of the organic matter in sewage is low, and organic carbon mostly difficult to degrade, centainly
The denitrification rate of artificial swamp is limited in degree, whole denitrification effect is poor.
Utility model content
In order to make up for the deficiencies of the prior art, the utility model provides a kind of addition slow release carbon source strengthened denitrification processing people
Work wet land treating system.
The technical solution adopted in the utility model are as follows:
A kind of addition slow release carbon source strengthened denitrification artificial wet land treating system, including sewage pipe, the sewage pipe connection are slow
Carbon source pond is released, the carbon source pond is set in buffer pool, and elevator pump is equipped in the buffer pool, and the elevator pump connects water distribution
Pipe, the sparge pipe connect level-one artificial swamp, and the level-one artificial swamp is connected with overfall dam, and the overfall dam is connected with two
Grade artificial swamp, the second level artificial swamp connect braiding channel by drainpipe.The utility model when in use can be to carbon source pond
Inside add slow release carbon source plant biomass, plant biomass is impregnated in carbon source pond by water body and microbial degradation is by organic matter
It is discharged into water body, and the water body containing organic matter then can be in overflow to buffer pool, the water body in buffer pool then can be in elevator pump
Under the action of through sparge pipe lay the nitrate nitrogen into level-one artificial swamp, in level-one artificial swamp in sewage by denitrification it is anti-
It should can remove, and the water body after level-one artificial wetland treatment can then be passed through by overfall dam overflow into second level artificial swamp
The biochemical degradation effect of second level artificial swamp carries out further denitrogenation and removes carbon source (COD) remaining in water；In the application
Corn stover, reed rod, rice husk, sawdust etc. can be used in plant biomass.
Preferably, the upper end of the braiding channel is higher than second level artificial swamp, and the upper end of the braiding channel is equipped with cover board.Lid
Plate can stop sundries to enter braiding channel polluted-water, and can walk on the cover board convenient for staff, with second level of patrolling
Artificial swamp situation.
The utility model compared with prior art, it has the advantage that:
Electron donor of the carbon source as denitrification process is the principal element for influencing artificial swamp denitrification process, manually
The denitrifying carbon source of wetland mostlys come from into water, but since the dissolved organic carbon concentration in water inlet is very low, and big portion
Be divided into organic carbon difficult to degrade, existing Treatment Technology of Constructed Wetland when handling low-carbon-source sewage to the removal rate of total nitrogen often very
It is low.The utility model adds slow release carbon source into carbon source pond, the carbon-nitrogen ratio in wetland water inlet can be improved, and then strengthened artificial is wet
The denitrification on ground, promotes the nitric efficiency of wet land system, to improve the nitrogen removal rate of artificial swamp；Moreover, this Shen
Middle plant biomass please be used as slow release carbon source, plant biomass can obtain nearby or from wetland, and it is cheap, and add
Add complement operation simple, additional operating cost not will increase substantially to the normal operation of artificial wet land system；Meanwhile this is practical
Second level artificial swamp is additionally provided in novel, in addition to strengthened denitrification effect, can also the extra COD of enhancing degradation, can be effectively ensured out
Water COD's is up to standard.
Detailed description of the invention
Fig. 1 is the section view figure structure schematic representation of the utility model；
In figure: 1, sewage pipe, 2, carbon source pond, 3, buffer pool, 4, elevator pump, 5, sparge pipe, 6, level-one artificial swamp, 7, overflow
Flow dam, 8, second level artificial swamp, 9, drainpipe, 10, braiding channel, 11, cover board.
Specific embodiment
As shown in Figure 1, a kind of addition slow release carbon source strengthened denitrification artificial wet land treating system, including sewage pipe 1, sewage pipe
1 connection carbon source pond 2, carbon source pond 2 are set in buffer pool 3, and elevator pump 4 is equipped in buffer pool 3, and elevator pump 4 connects sparge pipe 5,
Sparge pipe 5 connects level-one artificial swamp 6, and level-one artificial swamp 6 is connected with overfall dam 7, and overfall dam 7 is connected with second level artificial swamp
8, second level artificial swamp 8 connects braiding channel 10 by drainpipe 9, and the upper end of braiding channel 10 is higher than second level artificial swamp 8, and catchments
The upper end of canal 10 is equipped with cover board 11.
When using the utility model, slow release carbon source plant biomass can be first added into carbon source pond 2, plant biomass then can
Since organic matter is discharged into water body by water body immersion and microbiological deterioration；Sewage is through 2 overflow of carbon source pond to buffer pool 3
In, and further homogeneous is carried out in buffer pool 3, and also ensure and persistently provide uniform water for level-one artificial swamp
Amount；External power supply is connected to elevator pump 4, the sewage in buffer pool 3 is laid in level-one through sparge pipe 5 under the action of elevator pump 4
On artificial swamp 6, sewage carries out organic matter degradation and nitrification, anti-nitration reaction in level-one artificial swamp 6；Through level-one Manual moist
Treated on ground 6, and sewage then can be through overfall dam overflow to second level artificial swamp, and sewage can during dropping through overfall dam
It is oxygenated again, the nitration reaction of the sewage energy enhanced sewage system after being oxygenated again provides for further anti-nitration reaction
Condition；In addition, the sewage after oxygenation can also accelerate degradation of the aerobic bacteria to organic matter in second level artificial swamp, pass through second level people
The reinforcing biochemical degradation effect of work wetland can remove carbon source remaining in sewage (COD) in time to guarantee effluent quality COD index
It is up to standard.
Claims (2)
1. a kind of addition slow release carbon source strengthened denitrification artificial wet land treating system, it is characterised in that: including sewage pipe, the blowdown
Pipe connects carbon source pond, and the slow release carbon source pond is set in buffer pool, and elevator pump is equipped in the buffer pool, and the elevator pump connects
Sparge pipe is connect, the sparge pipe connects level-one artificial swamp, and the level-one artificial swamp is connected with overfall dam, and the overfall dam connects
It is connected to second level artificial swamp, the second level artificial swamp connects braiding channel by drainpipe.
2. addition slow release carbon source strengthened denitrification artificial wet land treating system according to claim 1, it is characterised in that: described
The upper end of braiding channel is higher than second level artificial swamp, and the upper end of the braiding channel is equipped with cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821180341.1U CN208857097U (en) | 2018-07-25 | 2018-07-25 | A kind of addition slow release carbon source strengthened denitrification artificial wet land treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821180341.1U CN208857097U (en) | 2018-07-25 | 2018-07-25 | A kind of addition slow release carbon source strengthened denitrification artificial wet land treating system |
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| Publication Number | Publication Date |
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| CN208857097U true CN208857097U (en) | 2019-05-14 |
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| CN201821180341.1U Active CN208857097U (en) | 2018-07-25 | 2018-07-25 | A kind of addition slow release carbon source strengthened denitrification artificial wet land treating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862152A (en) * | 2019-10-21 | 2020-03-06 | 东华大学 | High-efficiency ecological purification system for farmland drainage |
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2018
- 2018-07-25 CN CN201821180341.1U patent/CN208857097U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862152A (en) * | 2019-10-21 | 2020-03-06 | 东华大学 | High-efficiency ecological purification system for farmland drainage |
| CN110862152B (en) * | 2019-10-21 | 2022-07-12 | 东华大学 | High-efficiency ecological purification system for farmland drainage |
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