CN205662372U - Little oxygenation denitrogenation biological filter - Google Patents
Little oxygenation denitrogenation biological filter Download PDFInfo
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- CN205662372U CN205662372U CN201620542865.5U CN201620542865U CN205662372U CN 205662372 U CN205662372 U CN 205662372U CN 201620542865 U CN201620542865 U CN 201620542865U CN 205662372 U CN205662372 U CN 205662372U
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Abstract
The utility model provides a little oxygenation denitrogenation biological filter, the water inlet main pipe of biological filter links to each other with the water distribution trough of intaking, the carbon source storage tank is thrown through the carbon source and is linked to each other with water inlet main pipe with the pump, the water distribution trough of intaking is connected to the water distribution chamber of filtering pond cell body through the inlet channel, fluorescence dissolved oxygen appearance, redox potential meter and COD sensor settings in a pool and respectively with the PLC control system electricity is connected, PLC control system still links to each other with first converter and second converter respectively, first converter is connected to the carbon source is thrown with the pump, the second converter links to each other with the air -blower, the air -blower links to each other with the micropore aeration pipe, the micropore aeration pipe is buried underground in the cobble supporting layer. The utility model discloses realize intelligent control, the dosage is thrown to concentration and accurate control aquatic carbon source that can effectual control aquatic dissolved oxygen, for the microorganism provides the condition of carrying out synchronous nitrification and denitrification, and then can realize out water and assemble nitrogen and be less than 15mgL that the ammonia nitrogen is less than 5mgL.
Description
[technical field]
This utility model relates to a kind of micro-oxygen supplement denitrogenation biological filter.
[background technology]
The most numerous biological denitrification systems and improvement technique thereof, be all that the combination taking Anoxic/Aerobic condition becomes
Change, build different aerobics, oxygen environment of holding concurrently, it is achieved the Activated Sludge Process of denitrogenation.Because of activated sludge denitrogenation processing system
Affected by factors such as biological mud age, water temperature, carbon source, nitrate and organism metabolite conversions, and between each factor mutually
Restriction, i.e. nitrifier and denitrifying bacterium also exists contradiction and competition on organic loading, mud age and carbon source demand, is difficult to same
One system obtains removal simultaneously.Along with the raising of municipal wastewater water quality discharge standard, urban wastewater treatment need to use more advanced
Process technique realize the function of effective depth denitrogenation, make the nitrogen and phosphorus element of entrance surface water body reach strict comprehensively
Discharge standard.Existing biofilter many employings aerobic nitrification filter tank and two-stage filter tank, anoxic denitrification filter tank combine, it is achieved de-
Nitrogen treatment effect.But existing employing aerobic nitrification filter tank and two-stage filter tank, anoxic denitrification filter tank are implemented in combination with the biological filter of denitrogenation
, there is the shortcoming that floor space is big, aeration rate is big, energy consumption is high, need interpolation soda acid medicament to be neutralized in pond.
[summary of the invention]
The technical problems to be solved in the utility model, is to provide a kind of micro-oxygen supplement denitrogenation biological filter, it is possible to realize intelligence
Can control, not only reduce aeration rate, it is achieved be energy-saving and cost-reducing, improve the mass-transfer efficiency of oxygen, and can effectively control water dissolves
Carbon source dosage in the concentration of oxygen and accurately control water, provides the condition carrying out synchronous nitration and denitrification for microorganism；It can have
Effect removes the ammonia nitrogen in waste water, total nitrogen, nitrate nitrogen, float, it is achieved water outlet total nitrogen is less than 15mg/L, and ammonia nitrogen is less than 5mg/L.
This utility model is achieved in that
A kind of micro-oxygen supplement denitrogenation biological filter, described biofilter includes a filter tank cell body, water inlet supervisor, water inlet water distribution
Groove, carbon source storage tank, carbon source add pump, PLC control system, fluorescence dissolved oxygen meter, oxidation reduction potential determination instrument, COD sensor,
One converter, the second converter, aerator, micropore aeration pipe, backwash water pipe and backwash trachea,
Described filter tank cell body is followed successively by distributing water room, filter, cobble supporting layer, ceramic grain filter layer and water outlet from top to bottom
District, the outlet of described exhalant region is outwards sequentially provided with a backwash drainage ditch and an outlet canal, bottom described backwash drainage ditch
It is provided with a back flush discharge pipe, bottom described outlet canal, is provided with a Chinese effluent pipe；
Described water inlet supervisor is connected with water inlet distribution channel, and described carbon source storage tank adds pump and water inlet supervisor's phase by carbon source
Even, described water inlet distribution channel is connected to the distributing water room of filter tank cell body by inlet channel；Described PLC control system respectively with fluorescence
Dissolved oxygen meter, oxidation reduction potential determination instrument and the electrical connection of COD sensor, described fluorescence dissolved oxygen meter, oxidation reduction potential determination instrument
Being arranged in exhalant region with COD sensor, described PLC control system is connected with the first converter and the second converter the most respectively,
Described first converter is connected to described carbon source and adds pump, and described second converter is connected with aerator, and described aerator is with micro-
Hole aeration tube is connected, and described micropore aeration pipe is embedded in cobble supporting layer, and described backwash water pipe and backwash trachea connect
Bottom described distributing water room.
This utility model has the advantage that
1) by additional carbon system and the micro-oxygen supplement on-line monitoring automatic control technology of employing, for being attached to the biology of filter material surface
Film provides the biological growthing environment of synchronous nitration and denitrification, replaces tradition aerating system, it is achieved Based Intelligent Control, not only reduces aeration
Amount, it is achieved energy-saving and cost-reducing, improves the mass-transfer efficiency of oxygen, and can effectively control the concentration of oxygen in water and accurately control water
Middle carbon source dosage, provides the condition carrying out synchronous nitration and denitrification for microorganism.
2) carry out synchronous nitration and denitrification by microorganism substantial amounts of in filter tank, make the sewage of low concentration realize at denitrogenation
Reason, removes most suspended substances matter in water in combination with filter effect, it is achieved water outlet total nitrogen is less than 15mg/L, and ammonia nitrogen is less than
5mg/L.Ining contrast to the two-stage filter tank structure in tradition aerobic nitrification filter tank and anoxic denitrification filter tank, this utility model need not set
Put hypoxia response pond, decrease investment.Denitrification produces OH-The H that nitrification produces can be neutralized on the spot+, the design of simplified system and behaviour
Make.
[accompanying drawing explanation]
This utility model is further described the most in conjunction with the embodiments.
Fig. 1 is this utility model method structural representation.
[detailed description of the invention]
Refer to shown in Fig. 1, embodiment of the present utility model is described in detail.
As it is shown in figure 1, the one micro-oxygen supplement denitrogenation biological filter involved by this utility model, described biofilter includes one
Filter tank cell body 1, water inlet supervisor 2, water inlet distribution channel 3, carbon source storage tank 4, carbon source add pump 5, PLC control system 6, fluorescence dissolved oxygen meter
7, oxidation reduction potential determination instrument 8, COD sensor the 9, first converter the 10, second converter 11, aerator 12, micro-pore aeration
Pipe 13, backwash water pipe 14 and backwash trachea 15,
Described filter tank cell body 1 be followed successively by from top to bottom distributing water room 16, filter 17, cobble supporting layer 18, ceramic grain filter layer 19,
And exhalant region 20, the outlet of described exhalant region 20 is outwards sequentially provided with backwash drainage ditch 21 and an outlet canal 22, described
It is provided with a back flush discharge pipe 23 bottom backwash drainage ditch 21, bottom described outlet canal 22, is provided with a Chinese effluent pipe
24；
Described water inlet supervisor 2 is connected with water inlet distribution channel 3, and described carbon source storage tank 4 adds pump 5 and water inlet supervisor by carbon source
2 are connected, and described water inlet distribution channel 3 is connected to the distributing water room 16 of filter tank cell body 1 by inlet channel 25；Described PLC control system 6
Electrically connect with fluorescence dissolved oxygen meter 7, oxidation reduction potential determination instrument 8 and COD sensor 9 respectively, described fluorescence dissolved oxygen meter 7, oxidation
In reduction potential analyzer 8 and COD sensor 9 is arranged on exhalant region 20 and be positioned at underwater, described PLC control system 6 is also divided
Not being connected with the first converter 10 and the second converter 11, described first converter 10 is connected to described carbon source and adds pump 5, described
Second converter 11 is connected with aerator 12, and described aerator 12 is connected with micropore aeration pipe 13, and described micropore aeration pipe 13 buries
Being located in cobble supporting layer 18, described backwash water pipe 14 and backwash trachea 15 are connected to bottom described distributing water room 16.
Described carbon source storage tank 4, carbon source add pump 5, PLC the 6, first converter 10 and COD sensor 9 constitutes carbon
Source dosing system, described backwash water pipe 14, backwash trachea 15, backwash drainage ditch 21, back flush discharge pipe 23 are constituted instead
Rinse-system, described fluorescence dissolved oxygen meter 7, oxidation reduction potential determination instrument 8, PLC control system the 6, second converter 11, aerator
12 and micropore aeration pipe 13 constitute micro-oxygen supplement on-line monitoring robot control system(RCS).
Utility model works process is as follows:
First waste water entered water inlet distribution channel 3 by water inlet manifold 2, then enters filter tank cell body 1 water distribution via inlet channel 25
In room 16 and enter ceramic grain filter floor 19 through filter 17 by cobble supporting layer 18 and carry out biological synchronous nitration and denitrification process, pottery
Grain filter material layer 19 is filled in cobble supporting layer 18 top；Monitored in real time by fluorescence dissolved oxygen meter 7 and oxidation reduction potential determination instrument 8
Dissolved oxygen concentration and oxidation-reduction potential in biofilter, be delivered to Real-time Monitoring Data in PLC control system 6, and PLC controls
System 6 determines oxygen-supplying amount according to actual monitoring data, and instruction is delivered to the second converter 11, and instruction is done by the second converter 11
Go out reaction controlling aerator 12 oxygen-supplying amount, delivery air is delivered to the micropore aeration pipe 13 that is positioned in cobble supporting layer 18, micropore
Aeration tube 13 is ventilation oxygen-supplying in biological filter pool inner water.Apposition growth microbial film surface on ceramic grain filter layer 19 is aerobic
District carries out nitration reaction, is nitrate nitrogen by ammonium oxidation, and microbial film is internal carries out anti-nitration reaction for anoxic zone, in conjunction with outside
Add carbon source the nitrate nitrogen in waste water is reduced to nitrogen to overflow from water and complete denitrification process, it is achieved synchronous nitration and denitrification
Processing procedure.Most suspended substances in waste water is trapped between the filtrate of biofilter ceramic grain filter layer 19 in space, makes
Waste water is clarified, and final process water outlet is discharged by exhalant region 20 and through outlet canal 22 by Chinese effluent pipe 24, the place of discharge
Reason water outlet realizes total nitrogen and is less than 5mg/L less than 15mg/L, ammonia nitrogen.Additional carbon required in denitrification process can select first
The solution storage of the materials such as alcohol, acetic acid, sodium acetate or glucose, in carbon source storage tank 4, monitors water in real time by COD sensor 9
The data monitored are passed in PLC control system 6 by middle COD concentration, and data are processed by PLC control system 6, determine institute
Needing the carbon source dosage added and instruction passed in the first converter 10, instruction is made a response control by the first converter 10
Carbon source adds pump 5 and adds the amount of carbon source, and carbon source adds pump 5 and added in water inlet manifold 2 by additional carbon.
After a period of time is run in biofilter, effluent quality does not reaches Effluent criteria, needs to carry out backwash.Backwash
Time, close water inlet manifold 2 and Chinese effluent pipe 24, additional carbon system and micro-oxygen supplement on-line monitoring robot control system(RCS) are out of service.
Open back flush discharge pipe 23, backwash water pipe 14 and backwash trachea 15.Backwashing water and backwash gas are respectively by backwash
Water pipe 14 and backwash trachea 15 send into distributing water room 16, then through filter 17 from bottom to top through cobble supporting layer 18 and ceramic grain filter
Layer 19, is distributed evenly in whole biofilter.Ceramic grain filter layer 19 is in outstanding in the most equally distributed current
Floating state, filtrate is cleaned, and the biofilm detachment being attached to filter material surface updates, it is achieved filter tank is run the most efficiently.Filter
The float retained in material gap and the biomembrane come off flow into backwash drainage ditch 21, are discharged by back flush discharge pipe 23.
In sum, this utility model by additional carbon system and uses micro-oxygen supplement on-line monitoring automatic control technology, for attached
Filter material surface biomembrane provide synchronous nitration and denitrification biological growthing environment, replace tradition aerating system, it is achieved intelligence
Can control, not only reduce aeration rate, it is achieved be energy-saving and cost-reducing, improve the mass-transfer efficiency of oxygen, and can effectively control water dissolves
Carbon source dosage in the concentration of oxygen and accurately control water, provides the condition carrying out synchronous nitration and denitrification for microorganism.
This utility model carries out synchronous nitration and denitrification by microorganism substantial amounts of in filter tank, makes the sewage of low concentration realize
Denitrogenation processing, removes most suspended substances matter in water in combination with filter effect, it is achieved water outlet total nitrogen is less than 15mg/L, ammonia
Nitrogen is less than 5mg/L.Ining contrast to the two-stage filter tank structure in tradition aerobic nitrification filter tank and anoxic denitrification filter tank, this utility model is not
Need to arrange hypoxia response pond, decrease investment.Denitrification produces OH-The H that nitrification produces can be neutralized on the spot+, setting of simplified system
Meter and operation.
Although the foregoing describing detailed description of the invention of the present utility model, but those familiar with the art should
Working as understanding, our described specific embodiment is merely exemplary rather than for the limit to scope of the present utility model
Fixed, those of ordinary skill in the art, in the equivalent modification made according to spirit of the present utility model and change, should
Contain in scope of the claimed protection of the present utility model.
Claims (1)
1. a micro-oxygen supplement denitrogenation biological filter, it is characterised in that: described biofilter include a filter tank cell body, water inlet supervisor,
Water inlet distribution channel, carbon source storage tank, carbon source add pump, PLC control system, fluorescence dissolved oxygen meter, oxidation reduction potential determination instrument, COD
Sensor, the first converter, the second converter, aerator, micropore aeration pipe, backwash water pipe and backwash trachea,
Described filter tank cell body is followed successively by distributing water room, filter, cobble supporting layer, ceramic grain filter layer and exhalant region, institute from top to bottom
The outlet stating exhalant region is outwards sequentially provided with a backwash drainage ditch and an outlet canal, is provided with bottom described backwash drainage ditch
One back flush discharge pipe, is provided with a Chinese effluent pipe bottom described outlet canal；
Described water inlet supervisor is connected with water inlet distribution channel, and described carbon source storage tank adds pump by carbon source and is connected with water inlet supervisor, institute
State the distributing water room being connected to filter tank cell body into water distribution channel by inlet channel；Described PLC control system respectively with fluorescence dissolved oxygen
Instrument, oxidation reduction potential determination instrument and the electrical connection of COD sensor, described fluorescence dissolved oxygen meter, oxidation reduction potential determination instrument and COD
Sensor is arranged in exhalant region, and described PLC control system is connected with the first converter and the second converter the most respectively, and described
One converter is connected to described carbon source and adds pump, and described second converter is connected with aerator, described aerator and micro-pore aeration
Pipe is connected, and described micropore aeration pipe is embedded in cobble supporting layer, and described backwash water pipe and backwash trachea are connected to described
Bottom distributing water room.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620542865.5U CN205662372U (en) | 2016-06-06 | 2016-06-06 | Little oxygenation denitrogenation biological filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620542865.5U CN205662372U (en) | 2016-06-06 | 2016-06-06 | Little oxygenation denitrogenation biological filter |
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| Publication Number | Publication Date |
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| CN205662372U true CN205662372U (en) | 2016-10-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836901A (en) * | 2016-06-06 | 2016-08-10 | 福建工程学院 | Micro-aeration denitrification biofilter |
| CN106673194A (en) * | 2016-12-20 | 2017-05-17 | 北京桑德环境工程有限公司 | Decarburization, denitrification and dephosphorization deep treatment system and method |
| CN106830561A (en) * | 2017-03-21 | 2017-06-13 | 西南交通大学 | A kind of town sewage treatment system of low energy consumption |
| CN108059239A (en) * | 2017-11-15 | 2018-05-22 | 中国电器科学研究院有限公司 | A kind of aeration control method and system of AAO sewage treatment process |
| CN108264146A (en) * | 2018-02-11 | 2018-07-10 | 杭州宸祥环境工程有限公司 | A kind of sewage water filtration method of denitrification deep-bed filter |
| CN113697945A (en) * | 2020-08-12 | 2021-11-26 | 南京大学 | Biomembrane reactor for deep purification of sewage and operation method thereof |
-
2016
- 2016-06-06 CN CN201620542865.5U patent/CN205662372U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836901A (en) * | 2016-06-06 | 2016-08-10 | 福建工程学院 | Micro-aeration denitrification biofilter |
| CN106673194A (en) * | 2016-12-20 | 2017-05-17 | 北京桑德环境工程有限公司 | Decarburization, denitrification and dephosphorization deep treatment system and method |
| CN106830561A (en) * | 2017-03-21 | 2017-06-13 | 西南交通大学 | A kind of town sewage treatment system of low energy consumption |
| CN108059239A (en) * | 2017-11-15 | 2018-05-22 | 中国电器科学研究院有限公司 | A kind of aeration control method and system of AAO sewage treatment process |
| CN108264146A (en) * | 2018-02-11 | 2018-07-10 | 杭州宸祥环境工程有限公司 | A kind of sewage water filtration method of denitrification deep-bed filter |
| CN113697945A (en) * | 2020-08-12 | 2021-11-26 | 南京大学 | Biomembrane reactor for deep purification of sewage and operation method thereof |
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