CN109110924A - A kind of simultaneous phosphorus and nitrogen removal sbr reactor device - Google Patents

A kind of simultaneous phosphorus and nitrogen removal sbr reactor device Download PDF

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Publication number
CN109110924A
CN109110924A CN201811124843.7A CN201811124843A CN109110924A CN 109110924 A CN109110924 A CN 109110924A CN 201811124843 A CN201811124843 A CN 201811124843A CN 109110924 A CN109110924 A CN 109110924A
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China
Prior art keywords
pond
sbr
level
aeration
nitrogen removal
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CN201811124843.7A
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Chinese (zh)
Inventor
傅立德
陈伟
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SHANGHAI LYMAX ENVIRONMENTAL EQUIPMENT Co Ltd
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SHANGHAI LYMAX ENVIRONMENTAL EQUIPMENT Co Ltd
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Priority to CN201811124843.7A priority Critical patent/CN109110924A/en
Publication of CN109110924A publication Critical patent/CN109110924A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/308Biological phosphorus removal
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • C02F3/307Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/04Flow arrangements
    • C02F2301/046Recirculation with an external loop

Abstract

The invention discloses a kind of simultaneous phosphorus and nitrogen removal sbr reactor device and methods, it is related to field of waste water treatment, the pond level-one dephosphorization SBR including series connection, the second level pond denitrogenation SBR and storage basin, the first overflow net and the second overflow net is respectively set in the pond level-one dephosphorization SBR and the pond the second level denitrogenation SBR top, the first aeration air hose and the first aeration head are provided in the pond the level-one dephosphorization SBR pond, the second aeration air hose and the second aeration head are provided in the pond the second level denitrogenation SBR pond, the first aeration air hose is connect by the first air switching valve with blower with first aeration head, the second aeration air hose is connect by the second air switching valve with the blower with second aeration head, polyP bacteria is set in the pond level-one dephosphorization SBR, it is arranged in the pond second level denitrogenation SBR sub- Nitrifier and anaerobic ammonia oxidizing bacteria.Purifying water effect of the present invention is good, simple and practical in structure, and the residence time is short, water stabilization.

Description

A kind of simultaneous phosphorus and nitrogen removal sbr reactor device
Technical field
The present invention relates to field of waste water treatment more particularly to a kind of simultaneous phosphorus and nitrogen removal sbr reactor devices.
Background technique
With the development of economy, many industries, such as: Fine Chemical, livestock and poultry breeding industry, farm and sideline product processing industry row Enter a large amount of waste water, causes serious water pollution problems.These waste water have the characteristics that common, a content of nitrogen and phosphorous height.And C: N:P is out of proportion, and using traditional technique, system flow is long, and to remove difficulty very big simultaneously by N, P.
SBR sequencing batch active sludge technique has simple process, and treatment effect is stable, anti impulsion load power is strong, water outlet The advantages that water quality is good, flexible operation, occupied area are few.Exist in phosphate uptake denitrogenation and is widely applied.But due to life Object dephosphorization process is mainly to adsorb the phosphorus in waste water by aerobic thermophilic phosphorus then to pass through the effect that discharge sludge realizes dephosphorization, thermophilic phosphorus It is relatively short that bacterium grows the time in epoch, and nitrification employed in biological denitrificaion, time in nitrite bacteria epoch are long, need sludge age It is long, if needing simultaneous phosphorus and nitrogen removal, conventional SBR denitrification dephosphorization technique in the same pond SBR.Often effect is very low, can not The effect of simultaneous phosphorus and nitrogen removal is realized on real meaning.
In addition in traditional SBR technique, for part high ammonia-nitrogen wastewater, since C/N is low, in the denitrification stage, there are carbon sources Deficiency needs additionally to increase carbon source, often results in that operating cost is higher, complex management.In recent years, the new bio developed Denitrification process has: short-cut nitrification-denitrification technique, synchronous nitration-denitrification process, half nitrification (SHARON) technique, limit oxygen are certainly Nitrification-denitrification (OLAND) technique etc. is supported, though these techniques can greatly save aeration quantity, and denitrification rank can be greatly reduced The addition of carbon source in section.Its principle are as follows: ANAMMOX (Anaerobic Ammonia Oxidation) technique is to be with nitrate Electron acceptor, using ammonia as direct electron donor, convert nitrate, cultured water to the anti-nitration reaction of nitrogen, the reaction Carbon source is not needed, preferably solves the problems, such as denitrifying carbon source deficiency.Complex operation in actual production.But ammoxidation is thin Bacterium condition of culture is tight, and cultivation cycle is long, and highly concentrated ammonia nitrogen plays inhibiting effect to nitrifier in water inlet, and process flow is long, accounts for Ground area is big, and operation and maintenance are inconvenient.Therefore ANAMMOX technique is difficult independently to use in practice under normal circumstances.
In addition, traditional dephosphorization denitrogenation sbr reactor device, there is also anoxic phases to need using mechanical stirring, and maintenance cost is high, Malfunction.
Therefore, those skilled in the art is dedicated to developing a kind of simultaneous phosphorus and nitrogen removal sbr reactor device.It not only synchronizes and removes Phosphorus, denitrification effect are good, and simple and practical in structure, land occupation less, reagent cost is low, flexible operation and stable water outlet.
Summary of the invention
In view of the above drawbacks of the prior art, de- the technical problem to be solved by the present invention is to develop a kind of synchronous dephosphorization Nitrogen sbr reactor device.Synchronous dephosphorization, denitrification effect be good and simple and practical in structure, land occupation less, reagent cost is low, flexible operation and Stable water outlet.
To achieve the above object, the present invention provides a kind of simultaneous phosphorus and nitrogen removal sbr reactor devices, and one including series connection The pond grade dephosphorization SBR, the second level pond denitrogenation SBR and storage basin, the pond level-one dephosphorization SBR and part on the pond second level denitrogenation SBR First overflow net and the second overflow net are not set, are provided with the first aeration air hose and first in the pond the level-one dephosphorization SBR pond Aeration head is provided with the second aeration air hose and the second aeration head, the first aeration air in the pond the second level denitrogenation SBR pond Pipe is connect by the first air switching valve with blower with first aeration head, and the second aeration air hose and described second exposes Gas head is connect by the second air switching valve with the blower, and polyP bacteria is arranged in the pond level-one dephosphorization SBR, and the second level is de- Nitrococcus, anaerobic ammonia oxidizing bacteria are set in the pond nitrogen SBR.
Further, third air switching valve is arranged in the pond level-one dephosphorization SBR, sludge is discharged.
Further, sludge reflux mouth is arranged in the storage basin, and the sludge reflux mouth is connect with sludge reflux pump, described Sludge reflux pump is connect with the third air switching valve.
Further, first aeration head is arranged to boring aeration pipe or diaphragm type aeration head.
It further, further include sponge filler in the pond second level denitrogenation SBR.
Further, the sponge filler adheres to nitrococcus, anaerobic ammonia oxidizing bacteria.
Further, jet pump is set in the pond second level denitrogenation SBR, third overflow net is set above the jet pump, Second aeration head is arranged to jet-flow aeration head, and the outlet conduit of the jet pump connects air bypass pipe, the air Shunt valve is arranged to connect with second air switching valve.
Further, the jet-flow aeration head flow is arranged to 1~5m3/ h branch.
Further, the flow of the jet pump is arranged to the 30%~60% of the pond second level denitrogenation SBR pool capacity, raises Journey is 30~40m.
Further, the start-stop ratio of second air switching valve is (2~4): 1.
A kind of simultaneous phosphorus and nitrogen removal sbr reactor device of the invention has following excellent compared with traditional dephosphorization denitrogenation reactor Point:
1. dephosphorization and denitrogenation are individually handled in two series connection ponds SBR respectively, easy to operate, dephosphorization, denitrification effect are good.
2. the pond dephosphorization SBR passes through unlatching/closing ratio of setting air switch valve, suction is synchronously completed in the same pond Phosphorus, spoil disposal dephosphorization, it is short, easy to operate to have process.
3. sponge filler is added in the pond denitrogenation SBR, by the unlatching ratio of setting air switch valve, and jet mixing is utilized Mode realizes that nitrococcus and two class bacterium of ammoxidation are grown simultaneously in filler, passes through anaerobism in the same pond SBR The mode of ammoxidation completes denitrogenation, and not only the residence time is long, small to carbon source demand amount, and denitrification effect is stablized, and in addition uses Compared with tradition machinery stirring, maintenance cost is low, more energy efficient for jet pump stirring.
4. storage basin is equipped with sludge settling and sludge reflux, the utilization efficiency of activated sludge is improved, it is anti-to also improve unit The active biomass in device volume is answered, the shock resistance rate and treatment effect of technique are also further improved.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of simultaneous phosphorus and nitrogen removal sbr reactor device of a preferred embodiment of the invention.
In figure: the pond 01- level-one dephosphorization SBR, the pond 02- second level denitrogenation SBR, 03- storage basin, the first air switching valve of 04-, The second air switching valve of 05-, 06- third air switching valve, 07- aeration head, 8- are aerated air hose, 09- jet-flow aeration head, 10- Sponge filler, 11- blower, 12- air bypass, 13- sludge reflux mouth, 14- sludge reflux pump, 15- jet pump, 16- second expose Gas air hose.
Specific embodiment
A preferred embodiment of the present invention is introduced below with reference to Figure of description, keeps its technology contents more clear and just In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits The embodiment that Yu Wenzhong is mentioned.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and there is no limit by the present invention The size and thickness of each component.Apparent in order to make to illustrate, some places suitably exaggerate the thickness of component in attached drawing.
As shown in Figure 1, a kind of simultaneous phosphorus and nitrogen removal sbr reactor device disclosed by the invention.Reactor in structure by being divided into 03 3 pond level-one dephosphorization SBR 01, the pond second level denitrogenation SBR 02 and storage basin units, wherein the pond level-one dephosphorization SBR 01 is mainly Phosphorus From Wastewater is adsorbed using polyP bacteria, overflow net is arranged in right upper portion, the first aeration of setting air hose 08, the first aeration head in pond 07, and connected by the first air switching valve 04.First aeration head 07 can be boring aeration pipe or diaphragm type aeration head, it is excellent It is selected as diaphragm type aeration head.When the first air switching valve 04 is opened, adsorbed under aerobic state in the pond level-one dephosphorization SBR 01 Phosphorus is in precipitated form in pond, precipitating can be discharged by third air switching valve 06 when the first air switching valve 04 is closed Suction phosphorus sludge achieve the effect that dephosphorization, the opening time is 60~300 seconds.
The main denitrogenation in the way of Anammox by nitrococcus, anaerobic ammonia oxidizing bacteria in the pond second level denitrogenation SBR 02, The top of setting jet pump 15 in pond, jet-flow aeration head 09, sponge filler 10, pond right upper portion and jet pump 15 is respectively set one A overflow net.Nitrococcus, anaerobic ammonia oxidizing bacteria, 0.5~1cm of specification are provided on sponge filler 103, loadings are pool capacity 1%~10%.Jet pump 15, jet-flow aeration head 09 are mainly used for stirring in pond, and the flow of jet-flow aeration head 09 is arranged to 1 ~5m3/ h branch, the flow of jet pump 15 are arranged to the 30%~60% of 02 pool capacity of the pond second level denitrogenation SBR, and lift 30~ 40m.A piece air bypass 12 of the outlet of jet pump 15 connection, air bypass 12 are connect with the second air switching valve 05, the second air Switch valve 05 is connect with blower 11.It is optionally (2~4) by controlling the start-stop ratio of second switch valve 05: 1, adjust denitrification tank Middle anoxic aerobic time scale, while being the nitrococcus on sponge filler 10, anaerobic ammonia oxidizing bacteria growth provides best item Part completes Anammox denitrogenation.
Storage basin 03 is for being deposited in the sludge brought into denitrification process, and sludge reflux mouth 13 is arranged in side, to improve work The utilization efficiency of property sludge.03 bottom of storage basin is provided with certain gradient i, and i=1%~3% makes the sludge of precipitating close to dirty Mud refluxing opening 13, sludge reflux mouth 13 are connect with sludge reflux pump 14, and sludge reflux pump 14 is connect with third air switching valve 06, 14 regurgitant volume of sludge reflux pump is the 50%~80% of inflow.By opening third air switching valve 06 for sludge and phosphorous dirt Mud is discharged together.
Embodiment:
Certain chemical plant water, is passed through waste water to be processed to the pond level-one dephosphorization SBR 01 first, and waste water passes through level-one dephosphorization SBR The overflow net on 01 right side of pond flows into the pond second level denitrogenation SBR 02, the overflow of control water level to nearly 02 right side of the pond second level denitrogenation SBR Side off the net.Blower 11 and the first air switching valve 04 are opened later, and air is aerated air hose 08 from the first aeration head by first 07 sprays, and so that polyP bacteria is in aerobic state Phosphate Sorption, and stir the pond level-one dephosphorization SBR 01.After dephosphorization, first is closed Air switching valve 04, opens simultaneously the second air switching valve 05, and the pond the SBR of level-one dephosphorization at this time 01 is in precipitated form.Second is empty After exhaust switch valve 05 is opened, air is sprayed through the second aeration air hose 16 from jet-flow aeration head 09, flow 2.5m3/ h branch, together When open jet pump 15, setting flow be the pond second level denitrogenation SBR pool capacity 45%, lift 35m, drive sponge filler 10 stir together Mix the pond second level denitrogenation SBR 02, mixing time 3h.Nitrococcus, anaerobic ammonia oxidizing bacteria, specification are set on sponge filler 10 0.75cm3, loadings are the 5% of pool capacity.When the pond second level denitrogenation SBR 02 is stirred, the discharge of third air switching valve 06 one is opened Suction phosphorus sludge in the pond grade dephosphorization SBR 01, required time 60s-300s.It is finished to denitrogenation, new a batch waste water is arranged by water inlet Enter the pond level-one dephosphorization SBR 01, the water purification in the pond second level denitrogenation SBR 02 is driven to enter storage basin 03.In a moment, water purification passes through precipitating Water outlet discharge.03 bottom of storage basin is equipped with the gradient, and gradient i=2% makes sludge close to sludge reflux mouth 13, and sludge is by dirty Mud refluxing opening 13 is delivered to third air switching valve 06 by sludge reflux pump 14, and 14 regurgitant volume of sludge reflux pump is inflow 65%, it is discharged together with phosphorus sludge with inhaling, to subsequent processing.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical solution, all should be within the scope of protection determined by the claims.

Claims (10)

1. a kind of simultaneous phosphorus and nitrogen removal sbr reactor device, which is characterized in that the pond level-one dephosphorization SBR including series connection, second level are de- The pond nitrogen SBR and storage basin, the pond level-one dephosphorization SBR and the pond the second level denitrogenation SBR top be respectively set the first overflow net with Second overflow net is provided with the first aeration air hose and the first aeration head, the second level denitrogenation in the pond the level-one dephosphorization SBR pond The second aeration air hose and the second aeration head, the first aeration air hose and first aeration head are provided in the pond of the pond SBR It is connect by the first air switching valve with blower, the second aeration air hose is opened with second aeration head by the second air It closes valve to connect with the blower, polyP bacteria is set in the pond level-one dephosphorization SBR, nitrous is set in the pond second level denitrogenation SBR Change bacterium and anaerobic ammonia oxidizing bacteria.
2. simultaneous phosphorus and nitrogen removal sbr reactor device as described in claim 1, which is characterized in that the pond the level-one dephosphorization SBR setting Third air switching valve, sludge is discharged.
3. simultaneous phosphorus and nitrogen removal sbr reactor device as claimed in claim 2, which is characterized in that the storage basin setting sludge returns Head piece, the sludge reflux mouth are connect with sludge reflux pump, and the sludge reflux pump is connect with the third air switching valve.
4. simultaneous phosphorus and nitrogen removal sbr reactor device as described in claim 1, which is characterized in that first aeration head is set For boring aeration pipe or diaphragm type aeration head.
5. a kind of simultaneous phosphorus and nitrogen removal sbr reactor device as described in claim 1, which is characterized in that the pond second level denitrogenation SBR It inside further include sponge filler.
6. a kind of simultaneous phosphorus and nitrogen removal sbr reactor device as claimed in claim 5, which is characterized in that the sponge filler attachment The nitrococcus, anaerobic ammonia oxidizing bacteria.
7. simultaneous phosphorus and nitrogen removal sbr reactor device as described in claim 1, which is characterized in that set in the pond second level denitrogenation SBR Jet pump is set, third overflow net is set above the jet pump, second aeration head is arranged to jet-flow aeration head, described to penetrate The outlet conduit of stream pump connects air bypass pipe, and the air bypass pipe is arranged to connect with second air switching valve.
8. simultaneous phosphorus and nitrogen removal sbr reactor device as claimed in claim 7, which is characterized in that the jet-flow aeration head flow quilt It is set as 1~5m3/ h branch.
9. the simultaneous phosphorus and nitrogen removal sbr reactor device as described in any one of claim 7-8, which is characterized in that the jet stream The flow of pump is arranged to the 30%~60% of the pond second level denitrogenation SBR pool capacity, and lift is 30~40m.
10. simultaneous phosphorus and nitrogen removal sbr reactor device as claimed in claim 7, which is characterized in that second air switching valve Start-stop ratio is (2~4): 1.
CN201811124843.7A 2018-09-26 2018-09-26 A kind of simultaneous phosphorus and nitrogen removal sbr reactor device Pending CN109110924A (en)

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CN109678297A (en) * 2019-01-16 2019-04-26 何江涛 Sequence batch segmented biofilm sewage disposal system and sewage water treatment method

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