CN207862002U - The integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing - Google Patents
The integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing Download PDFInfo
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- CN207862002U CN207862002U CN201721625738.2U CN201721625738U CN207862002U CN 207862002 U CN207862002 U CN 207862002U CN 201721625738 U CN201721625738 U CN 201721625738U CN 207862002 U CN207862002 U CN 207862002U
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Abstract
The utility model is related to a kind of integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing, including anaerobic zone, low exposure aerobic zone and tube settling district, the anaerobic zone and tube settling district are arranged side by side, the low exposure aerobic zone is located above anaerobic zone and tube settling district, the low exposure is aerobic to be divided into two layers, the anaerobic zone end is equipped with the first airlift pump, the low exposure aerobic zone end is equipped with the second airlift pump, first airlift pump promotes the mixed liquor in anaerobic zone and enters low exposure aerobic zone front end, second airlift pump promotes low exposure aerobic zone end mixed liquor and enters the formation reflux of low exposure aerobic zone front end；The anaerobic zone is equipped with sewage inlet, and the tube settling district is equipped with sludge reflux pump, water outlet and mud discharging mouth；Sludge in tube settling district passes through sludge reflux pump to anaerobic zone.The utility model realizes that short distance nitration carries out, and improves nitrification efficiency；Under the premise of ensureing effluent quality, capital expenditure and operating cost are saved.
Description
Technical field
The utility model is related to environmental protection, sewage treatment fields, more specifically to a kind of micro- aeration simultaneous denitrification
The integrated sewage treating apparatus of dephosphorization.
Background technology
Total nitrogen (abbreviation TN) refers to the inorganic total amount with organic nitrogen of various forms in water, including NO3-、NO2 -And NH4 +Etc. nothings
The organic nitrogens such as machine nitrogen and protein, amino acid and organic amine are calculated with the nitrogenous milligram number of every liter of water.Often be used to represent water body by
The degree of nutriment pollution.When nitrogen, phosphorus substance are exceeded in surface water, microorganism mass propagation, planktonic organism growth is vigorous, goes out
Existing eutrophic state.
Ammonia Nitrification denitrification process has two kinds of short-cut nitrification and denitrification and complete nitrification and denitrification process.Complete nitrification mistake
Journey is exactly that denitrification flora utilizes NO3-Make electron acceptor, carries out denitrification, and denitrification flora can utilize in short distance nitration
NO2 -Make electron acceptor and carries out denitrification, i.e. nitrosation microorganism by NH4 +- N is converted into NO2 -- N, immediately by denitrifying microorganism
Anti-nitration reaction is directly carried out, by NO2 -- N is reduced to N2Release, entire biological denitrification process are so short that than complete nitrification lasts
It is more.In this utility model, based on short-cut nitrification and denitrification.
The basic principle of short-cut nitrification and denitrification biological denitrificaion is to prevent nitrifying process control in the nitrite stage
NO2 -Further nitrification, then directly carry out denitrification.Short-cut nitrification and denitrification is advantageous in that：The reaction mechanism mechanism of reaction is shortened,
The denitrification rate of nitrite nitrogen is higher than nitrate nitrogen, and raising accelerates denitrification rate；Oxygen demand is reduced, and energy consumption reduces；It can be with
Make full use of the carbon source in raw water.
Invention content
The technical problem to be solved by the present invention is to provide a kind of integrated sewage water of micro- aeration synchronous denitrification dephosphorizing
Processing unit realizes that short distance nitration carries out, improves nitrification efficiency；Under the premise of ensureing effluent quality, save capital expenditure and
Operating cost.
Technical solution adopted by the utility model to solve its technical problems is：Construct a kind of micro- aeration synchronous denitrification dephosphorizing
Integrated sewage treating apparatus, including anaerobic zone, low exposure aerobic zone and tube settling district, the anaerobic zone and tube settling district
It is arranged side by side, the low exposure aerobic zone is located above anaerobic zone and tube settling district, and the low exposure is aerobic to be divided into two layers, described
Anaerobic zone end is equipped with the first airlift pump, and the low exposure aerobic zone end is equipped with the second airlift pump, and the first airlift pump promotes anaerobism
Mixed liquor in area enters low exposure aerobic zone front end, and it is aerobic into low exposure that the second airlift pump promotes low exposure aerobic zone end mixed liquor
Area front end forms reflux；The anaerobic zone be equipped with sewage inlet, the tube settling district be equipped with sludge reflux pump, water outlet and
Mud discharging mouth；Sludge in tube settling district passes through sludge reflux pump to anaerobic zone.
In said program, the anaerobic zone is provided with submersible agitator.
In said program, the anaerobic zone, low exposure aerobic zone and tube settling district volumetric ratio are 1:4:1.
In said program, the low exposure aerobic zone is equipped with more aeration flexible pipes, and the laying spacing of aeration flexible pipe is 10~
15cm。
In said program, the aeration flexible pipe is equipped with control valve.
In said program, the low exposure aerobic zone is equipped with dissolved oxygen self-checking device, low exposure aerobic zone dissolved oxygen concentration
For 0.3mg/L~0.8mg/L.
In said program, the tube settling divides into three layers, and top layer is clear water layer, and clear water layer is equipped with downflow weir, overflows
The areas Liu Yan are equipped with water outlet；Middle level is inclined tube layer, and inclined tube layer divides into holder；Lowest level is sludge blanket.
Implement the integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing of the utility model, has following
Advantageous effect：
1, the utility model is aerated using the hose of micro- additional comparatively dense of aeration so that bobble rise velocity is slow and divides
It dissipates, is the environment that Organic Pollutants and bubble create a microring array in microorganism, water so that microorganism was growing
It is easier to obtain oxygen in journey, substantially increases oxygen transmission efficiency, it is energy-efficient.
2, the lower dissolved oxygen of the utility model provides condition for short-cut nitrification and denitrification biological denitrificaion so that in device
Main denitrogenation mode be short-cut nitrification and denitrification biological denitrificaion.Raising accelerates denitrification rate, possesses stronger denitrogenation energy
Power；Oxygen demand is reduced, and energy consumption reduces；The carbon source in raw water can be made full use of.
3, the low exposure aerobic zone end mixed liquor of the utility model enters front end mixed liquor, and additional mixed-liquor return is larger to be gathered around
There is a degree of capacity of resisting impact load.It can be in the case of uniform aeration so that dissolved oxygen in entire low exposure aerobic zone
It is consistent, covert realizes multi-section water-inlet.It avoids the occurrence of and occurs front end because the relatively low additional aerobic zone of aeration is long and detest
Oxygen, rear end are aerated excessive situation, and 0.3mg/L~0.8mg/L can be reduced to by realizing the low dissolved oxygen for exposing aerobic zone.
4, the integral structure of the utility model so that building sewage device takes up an area reduction, saves construction investment.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the structural schematic diagram of the integrated sewage treating apparatus of the micro- aeration synchronous denitrification dephosphorizing of the utility model.
Specific implementation mode
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, the integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing of the utility model includes anaerobism
Area 1, low exposure aerobic zone 2, tube settling district 3, equipment room 4, sewage inlet 5, submersible agitator 6, aeration flexible pipe, the first air lift
Pump the 8, second airlift pump 9, dissolved oxygen self-checking device 10, sludge reflux pump 11, water outlet 12, mud discharging mouth 13, wind turbine 14, control
Cabinet 15 processed, air-conditioning 7.
It is micro- aeration synchronous denitrification dephosphorizing integrated sewage treating apparatus be divided into anaerobic zone 1, low exposures aerobic zone 2, inclined tube sink
Shallow lake area 3 and equipment room 4.Using carbon steel anti-corrosion material, it can be effectively prevent the corrosion of equipment, improve service life of equipment.
Anaerobic zone 1, low exposure aerobic zone 2 and 3 volume ratio of tube settling district are typically about 1:4:1, specific size is according to waterpower
Residence time etc. calculates.4 size of equipment room is determined according to sizes such as wind turbine and switch boards.
Raw sewage enters from the sewage inlet 5 of anaerobic zone 1, and anaerobic zone 1 is provided with submersible agitator 6, submersible agitator 6
The sludge and water inlet (sewage) that can make reflux are sufficiently mixed, and ensure that wherein activated sludge will not precipitate in this area, are detested in addition
The setting in oxygen area 1 also has the effect of dephosphorization.
Mixed liquor flows into low exposure aerobic zone 2 through anaerobic zone 1, and low exposure aerobic zone 2 is equipped with aeration flexible pipe, aeration flexible pipe ventilatory capacity
Only 0.5~1m3/ m h, the speed that bubble rises only have 0.4m/s, and the laying distance of aeration flexible pipe is 10~15cm.
Low exposure aerobic zone 2 is additionally provided with dissolved oxygen self-checking device 10, which links with switch board, it can be achieved that low expose
2 dissolved oxygen of oxygen area automatically and manually controls, and realizes that low 2 dissolved oxygen of exposure aerobic zone is maintained at 0.3mg/L~0.8mg/L with this, compared with
Low dissolved oxygen provides condition for short-cut nitrification and denitrification biological denitrificaion so that the main denitrogenation mode in device is short distance nitre
Change denitrification biological denitrogenation.
First airlift pump 8 promotes 1 mixed liquor of anaerobic zone and enters low 2 front end of exposure aerobic zone, and the second airlift pump 9 promotes low expose
2 end mixed liquor of oxygen area enters low 2 front end of exposure aerobic zone and forms reflux.End mixed liquor enters front end mixed liquor, additional mixed liquor
It flows back larger, it can be in the case of uniform aeration so that dissolved oxygen is consistent in entire low exposure aerobic zone, covert realization
Multi-section water-inlet.Exactly because the design avoids the occurrence of and occurs front end because the relatively low additional low exposure aerobic zone 2 of aeration is long and detest
Oxygen, rear end are aerated excessive situation.
The setting of first airlift pump 8 and the second airlift pump 9 can not only ensure mixed liquor in device flow regime (including
Direction and speed), return current ratio of the mixed liquid can also be controlled by controlling the size of air lift.Mixed-liquor return amount and amount of inlet water
Ratio need to be maintained at 20:1 or so.
Aeration flexible pipe be equipped with control valve, aeration size can be adjusted manually, can also by close aeration 3~
5min comes easy and convenient to aeration flexible pipe progress " self-cleaning ".
Low 2 mixed liquor fair current of exposure aerobic zone enters tube settling district 3.It is three layers that tube settling district 3, which is divided, and top layer is clear water
Layer, clear water layer are equipped with downflow weir, and downflow weir area is equipped with water outlet 12；Middle level is inclined tube layer, and inclined tube layer divides into holder；Lowest level is
Sludge blanket, sludge blanket are equipped with sludge reflux pump 11, mud discharging mouth 13 and backwash aeration flexible pipe.Clear water (water outlet) is from 12 row of water outlet
Go out, sludge is discharged from mud discharging mouth 13, and sludge reflux is completed by sludge reflux pump 11, is back to anaerobic zone 1 and is mixed with water inlet, is returned
Flow need to be maintained at 70% to 100%, and spoil disposal need to be determined depending on Inlet and outlet water COD concentration and sludge concentration.
Equipment room 4 is equipped with the indoor sets such as wind turbine 14, switch board 15, air-conditioning 7.Wind turbine 14 need to be of different sizes more than two,
To ensure the normal operation of device under different situations.Device should integrally be furnished with guardrail.If there is no regulating reservoir condition, it can match and adjust
Tank.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific implementation mode stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (7)
1. a kind of integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing, which is characterized in that including anaerobic zone, low expose
Oxygen area and tube settling district, the anaerobic zone and tube settling district are arranged side by side, low the exposures aerobic zone be located at anaerobic zone with it is oblique
Above pipe settling zone, the low exposure is aerobic to be divided into two layers, and the anaerobic zone end is equipped with the first airlift pump, and the low exposure is aerobic
Area end is equipped with the second airlift pump, and the first airlift pump promotes the mixed liquor in anaerobic zone and enters low exposure aerobic zone front end, the second gas
It carries pump and promotes low exposure aerobic zone end mixed liquor into the formation reflux of low exposure aerobic zone front end；The anaerobic zone is equipped with wastewater influent
Mouthful, the tube settling district is equipped with sludge reflux pump, water outlet and mud discharging mouth；Sludge in tube settling district passes through sludge reflux
It pumps to anaerobic zone.
2. the integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing according to claim 1, which is characterized in that institute
It states anaerobic zone and is provided with submersible agitator.
3. the integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing according to claim 1, which is characterized in that institute
It is 1 to state anaerobic zone, low exposure aerobic zone and tube settling district volumetric ratio:4:1.
4. the integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing according to claim 1, which is characterized in that institute
It states low exposure aerobic zone and is equipped with more aeration flexible pipes, the laying spacing of aeration flexible pipe is 10~15cm.
5. the integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing according to claim 4, which is characterized in that institute
It states aeration flexible pipe and is equipped with control valve.
6. the integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing according to claim 1, which is characterized in that institute
It states low exposure aerobic zone and is equipped with dissolved oxygen self-checking device, low exposure aerobic zone dissolved oxygen concentration is 0.3mg/L~0.8mg/L.
7. the integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing according to claim 1, which is characterized in that institute
It states tube settling and divides into three layers, top layer is clear water layer, and clear water layer is equipped with downflow weir, and downflow weir area is equipped with water outlet；Middle level
For inclined tube layer, inclined tube layer divides into holder；Lowest level is sludge blanket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721625738.2U CN207862002U (en) | 2017-11-27 | 2017-11-27 | The integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing |
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| CN201721625738.2U CN207862002U (en) | 2017-11-27 | 2017-11-27 | The integrated sewage treating apparatus of micro- aeration synchronous denitrification dephosphorizing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675333A (en) * | 2020-06-28 | 2020-09-18 | 合肥初湛环保科技有限公司 | Sewage integration treatment facility based on short distance nitration denitrification |
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- 2017-11-27 CN CN201721625738.2U patent/CN207862002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675333A (en) * | 2020-06-28 | 2020-09-18 | 合肥初湛环保科技有限公司 | Sewage integration treatment facility based on short distance nitration denitrification |
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