CN109354330A - A kind of integral type synchronous denitrification dephosphorizing system - Google Patents
A kind of integral type synchronous denitrification dephosphorizing system Download PDFInfo
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- CN109354330A CN109354330A CN201811503500.1A CN201811503500A CN109354330A CN 109354330 A CN109354330 A CN 109354330A CN 201811503500 A CN201811503500 A CN 201811503500A CN 109354330 A CN109354330 A CN 109354330A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 43
- 230000003647 oxidation Effects 0.000 claims abstract description 42
- 239000010865 sewage Substances 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims description 44
- 238000000889 atomisation Methods 0.000 claims description 29
- 239000002101 nanobubble Substances 0.000 claims description 19
- 241000883990 Flabellum Species 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 5
- 229910021645 metal ion Inorganic materials 0.000 abstract description 5
- 244000005700 microbiome Species 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 239000010802 sludge Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 14
- 239000002904 solvent Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010943 off-gassing Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- WHBMMWSBFZVSSR-UHFFFAOYSA-N 3-hydroxybutyric acid Chemical compound CC(O)CC(O)=O WHBMMWSBFZVSSR-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920000037 Polyproline Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/002—Apparatus and plants for the biological treatment of water, waste water or sewage comprising an initial buffer container
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/08—Nanoparticles or nanotubes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/06—Aerobic processes using submerged filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of integral type synchronous denitrification dephosphorizing system, which is concentrated on the whole in a container, and structure composition is close, and space hold is small.And using the mode of communicating of baffling, the process of sewage within the system is extended, the substrate in sewage is sufficiently mixed with microorganism and contacts.To guarantee effluent characteristics, the system is additionally provided with spare biomembrane reaction room, water quality monitor is provided in clean water chamber, for indexes such as metal ion, pH value and microelements in water quality after detection processing, once Testing index is unqualified not to be had controller that will control sewage and enter biomembrane reaction room by biological contact oxidation chamber to be handled, enter back into clear water reserviors storage.Since biomembrane reaction room is that selection uses, frequency of use is reduced, so longer before the week of maintenance, maintenance cost is lower.
Description
Technical field
The present invention relates to technical field of sewage more particularly to a kind of integral type synchronous denitrification dephosphorizing systems.
Background technique
Sewage treatment is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink
Etc. every field, also come into the daily life of common people more and more, classify by sewage source, sewage treatment is generally divided into
Production sewage treatment and sanitary sewage disposal.
Sanitary sewage is one of the important sources of China's water pollution, carries out advanced treating and reuse to sanitary sewage, both
Potential secondary pollution can be reduced, and the status of China's water resources shortage can be alleviated, be to realize circular economy and developing ecology text
Bright effective approach, therefore to meet the needs of social development, it is continuous to having been made in the technique of sanitary sewage disposal
It improves.
A kind of A is disclosed in Chinese invention patent CN201510696581.12/ O-MBR-biological contact oxidation pond is double
The efficient denitrification dephosphorization device of sludge, A2/ O and biological contact oxidation pond are connected by MBR (membrane bioreactor), are guaranteed fine
Double sludge system environment, preferably guarantee A2Activated sludge concentration in/O, avoids sludge loss.The purchase of membrane bioreactor
Buy higher with maintenance cost, setting greatly increases cost of sewage disposal, and is discharged after biological contact oxidization treatment without appointing
What is precipitated and filtering measure, and water outlet SS concentration is higher, in addition simple to be extremely difficult to more high sludge concentration, nitre by bio-contact oxidation
To change inefficient, the first aeration zone of equipment is unfavorable for Denitrifying Phosphate Accumulating Organisms culture, when handling low carbon-nitrogen ratio sewage, denitrogenation
It is ineffective.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind can meet sewage treatment requirement, and can reduce place
Manage a kind of integral type synchronous denitrification dephosphorizing system of cost.
In order to solve the above technical problems, the technical solution used in the present invention is:
A kind of integral type synchronous denitrification dephosphorizing system characterized by comprising
One reaction cabinet, is enclosed by siding and constitutes a closed chamber, in the chamber by baffler be separated into it is multiple successively it is upper,
The processing chamber housing of lower broken line connection, the processing chamber housing includes the anaerobic room set gradually, anoxic room, bioselection room, first
Mud chamber, biological contact oxidation chamber, the second mud chamber and clean water chamber, first mud chamber, biological contact oxidation chamber and second
Mud chamber is made of two processing chamber housings, so that the inlet and outlet of the first, second mud chamber are set to top；
Wherein,
The bottom of first mud chamber is circumscribed with sludge-tank by the first sewage pipe, by mud return line and anaerobic room
Connection；
Biologic packing material is equipped in the biological contact oxidation chamber, bottom is equipped with micro-nano bubble generator, the biology
Water outlet on catalytic oxidation room includes the first water outlet and the second water outlet for selecting a unlatching；
The bottom of second mud chamber connects sludge-tank, second mud chamber and biological by the second sewage pipe
First water outlet of oxidizing chamber is connected to, and the first water outlet, which is equipped with, can be covered closed first sealing plate, first envelope
Plate is connected with the first driving portion that it can be driven to open or close the first water outlet；
The clean water chamber is connected to by nitrification liquid return pipe with anoxic room, and inner cavity is equipped with water quality monitor；
The processing chamber housing further includes a biomembrane reaction room, and the of the biomembrane reaction room and biological contact oxidation chamber
The connection of two water outlets, the second water outlet, which is equipped with, can be covered closed second sealing plate, and second sealing plate is connected with energy
It enough drives it to open or close the second driving portion of the second water outlet, the biomembrane reaction room and clean water chamber to connect by water pump is produced
It is logical；
One controller, the signal input part of the controller are connected with water quality monitor, and control output end is connected with
One driving portion, the second driving portion and production water pump.
A further technical solution lies in the anaerobic room and/or anoxic room are made of multiple processing chamber housings.
A further technical solution lies in the bottom of first mud chamber and/or the second mud chamber is equipped with tilted upward
The low side of the mud guiding plate of setting, the mud guiding plate is arranged towards soil pipe connection port.
A further technical solution lies in it is high to be provided with one in the bottom interval of mud guiding plate for the mud guiding plate activity setting
One low and the first support portion and the second support portion that can stretch, first support portion and the second support portion are all connected with control
The control output end of device.
A further technical solution lies in the micro-nano bubble generator includes the mixing chamber for being sequentially communicated setting, breaks
Broken chamber, cushion chamber and atomization chamber, side wall between the crusher chamber and cushion chamber are equipped with multiple throttle orifices, outside the mixing chamber
It is connected with mixing pipe body, the mixing pipe body has water inlet end and inlet end, and the atomization chamber is equipped with bubble outlet.
A further technical solution lies in the top of the mixing chamber is connected to crusher chamber, horizontal in being equipped in mixing chamber
And spaced muti-piece mixed plate up and down, there is water between the side wall of two adjacent mixed plates opposite one end and mixing chamber
Gap so that mixing chamber in formed baffling mixing runner, in mixing chamber bottom setting one or more mixed plate have with
The cavity of mixing pipe body connection forms injection cavity plate, and the injection cavity plate is enclosed by corrugated plating to be constituted, and is furnished in injection cavity plate
Several spray-holes.
A further technical solution lies in the middle part in the crusher chamber is equipped with a stirring axis body, the stirring vertically
One end of axis body is connected with the driving motor of its rotation of driving, and the stirring axis body is equipped with broken flabellum, in stirring axis body two
The high settings such as two broken flabellums of side setting, and two broken flabellums are obliquely installed up and down respectively.
A further technical solution lies in the broken flabellum includes broken mesh sheet and cutting plate, the broken mesh sheet position
In in vertical plane, one end is fixed with stirring axis body, and the reticular density of the broken mesh sheet is described less than 20 holes/square centimeter
Cutting plate is located at the front of broken mesh sheet rotation and perpendicular fixation.
A further technical solution lies in be equipped with partition vertically, set in partition bottom between the cushion chamber and atomization chamber
There is make to be connected between cushion chamber and atomization chamber to cross water space, is equipped with notch section in partition top, the lower part of the cushion chamber is set
There is a horizontally disposed support orifice plate, the support orifice plate is equipped with an air bag for being in contraction state, and the air bag is circumscribed with
For making air bag expansion to its inner inflatable, entering the inflator in atomization chamber to squeeze the bubble inside cushion chamber by notch section
Structure, the inflation mechanism are connected to the control output end of controller.
A further technical solution lies in be equipped in the lower section of notch section for promoting bubble to outlet in the atomization chamber
Blast mechanism out, the Blast mechanism are obliquely installed the air draft panel of setting under having, atomization is equipped with below exhaust gear
The outlet of device, the atomizer is connected to Blast mechanism upper space, the roof of the atomization chamber in corrugated board structures and with row
The setting of wind panel parallel, the bubble outlet are distributed on the roof of atomization chamber.
The beneficial effects of adopting the technical scheme are that
System can be in sewage disposal process, there are two sludge ages, by nitrifying process from A2It is separated in/O,
Sewage is allowed sufficiently to carry out nitration reaction in biological contact oxidation pond.A2/ O is run under the conditions of short sludge age, has not required nitrification function
Can, only carry out dephosphorization and denitrification processing；Biological contact oxidation pond is run under the conditions of long sludge age, is more advantageous to nitrification effect
It is stable and efficient；A2The aerobic section (i.e. bioselection room) of/O is opened in the debugging stage, to cultivate polyP bacteria, is being operated normally
The section is in close state in the process, i.e. anaerobic condition, to tame culture Denitrifying Phosphate Accumulating Organisms；Biological contact oxidation pond is back to
The nitrate nitrogen come is A2The anoxic zone of/O provides sufficient electron acceptor, provides good environment for denitrification dephosphorization, instead
Nitrification and phosphorus removal technology realizes " carbon is dual-purpose ", and sewage denitrification and dephosphorization is high-efficient, is particularly suitable for low carbon-nitrogen ratio sewage.
The system can reduce processing cost under the premise of meeting to wastewater treatment efficiency, within the system by the
The heavy setting of one precipitating obtains mud-water separation processing, and is flowed back by muddy water before so that sewage is entered biological contact oxidation pond, to protect
Demonstrate,prove A2Activated sludge concentration in/O, avoids sludge loss that biochemical reaction rate is caused to reduce.
Moreover, to guarantee effluent characteristics, which is additionally provided with spare biomembrane reaction room, water is provided in clean water chamber
Matter monitor, for indexes such as metal ion, pH value and microelements in water quality after detection processing, once Testing index does not conform to
Lattice do not have controller that will control sewage and enter biomembrane reaction room by biological contact oxidation chamber to be handled, enter back into clear water reserviors and deposit
Storage.Since biomembrane reaction room is that selection uses, frequency of use is reduced, so longer before the week of maintenance, maintenance cost is lower.
Biological contact oxidation chamber is aerated using micro-nano bubble generator, is utilized " super dissolution outgassing technology " and " is received
Rice dispersion technology " synergistic effect, makes aqueous vapor height mix mixing, achievees the effect that be oxygenated rapidly, raising oxygen-transfer efficiency.
The system concentrates in integration apparatus on the whole, and structure composition is close, and space hold is small.And use baffling
Mode of communicating, extend the process of sewage within the system, be sufficiently mixed the substrate in sewage with microorganism and contact.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram (top plate and front side board that reaction cabinet is not shown) of reaction cabinet of the present invention；
Fig. 3 is the structural schematic diagram of micro-nano bubble generator of the present invention；
Fig. 4 is the working principle of the invention schematic diagram；
Fig. 5 is the structural schematic diagram of mud guiding plate of the present invention.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiment is a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, those skilled in the art's every other embodiment obtained without making creative work,
It shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
As shown in Figure 1 to 4, a kind of integral type synchronous denitrification dephosphorizing system, including a reaction cabinet and a controller 10.
Reaction cabinet is enclosed by siding constitutes a closed chamber, is separated into multiple successively upper and lower broken lines by baffler in the chamber and is connected to
Processing chamber housing, the processing chamber housing include the anaerobic room 1 set gradually, anoxic room 2, bioselection room 3, the first mud chamber 4,
Biological contact oxidation chamber 5, the second mud chamber 6 and clean water chamber 7, the system are concentrated on the whole in a container, structure composition
Closely, space hold is small.Wherein, the first mud chamber 4, biological contact oxidation chamber 5 and the second mud chamber 6 are by two processing chamber housings
It constitutes, so that the inlet and outlet of the first, second mud chamber 4,6 are set to top, the water-in and water-out for meeting sedimentation basin are wanted
It asks, and anaerobic room 1, anoxic room 2, bioselection room 3, the first mud chamber 4, biological contact oxidation chamber 5, second can be made to precipitate
Be the connection of upper and lower broken line between room 6 and clean water chamber 7, extend the process of sewage within the system, make substrate in sewage with
Microorganism is sufficiently mixed contact.
And it is equipped with the small volume of a processing chamber housing of water inlet port in mud chamber, plays buffer function, avoids into water
Impact force-disturbance sludge settling, the volume of another processing chamber housing is larger, play the role of primary precipitate, in primary precipitate room sewage by
Upward reverse osmosis down, impact force is small, is conducive to precipitate.
It is also connected by tube body between each processing chamber housing.The bottom of first mud chamber 4 is circumscribed with dirt by the first sewage pipe
Mud sump 8 is connected to by mud return line with anaerobic room 1.The bottom of second mud chamber 6 connects sludge-tank 8 by the second sewage pipe,
Clean water chamber 7 is connected to by nitrification liquid return pipe with anoxic room 2.
Biologic packing material is equipped in biological contact oxidation chamber 5, bottom is equipped with micro-nano bubble generator 51.It utilizes " super molten
Solve outgassing technology " and " nano-dispersed technology " synergistic effect, so that aqueous vapor height is mixed mixing, achievees the effect that be oxygenated rapidly.
To guarantee effluent characteristics, which is additionally provided with water quality monitor 71 and a spare biomembrane reaction room 9.
Water quality monitor 71 is set in clean water chamber 7, including the concentration of metal ions sensing connecting with 10 signal of controller
Device, pH tester and micro nonmetalloid detector, for metal ion, pH value and the micro member in water quality after detection processing
The indexes such as element.By the testing result of water quality monitor 71, selection uses biomembrane reaction room 9 or the second sedimentation basin.
Therefore the water outlet on biological contact oxidation chamber 5 is located at top, the first water outlet 52 and the including selecting a unlatching
Two water outlets 53.Second mud chamber 6 is connected to the first water outlet 52 of biological contact oxidation chamber 5, and the first water outlet 52 is equipped with
Closed first sealing plate can be covered, first sealing plate, which is connected with, can drive it to open or close the first water outlet 52
The first driving portion 54.Biomembrane reaction room 9 is connected to the second water outlet 53 of biological contact oxidation chamber 5, the second water outlet 53
Closed second sealing plate can be covered by being equipped with, and second sealing plate is connected with and it can be driven to open or close second go out
Second driving portion 55 at the mouth of a river 53, the biomembrane reaction room 9 are connected to clean water chamber 7 by water pump 91 is produced.
Wherein, cylinder can be used in the first, second driving portion 54,55, drives sealing plate to move up and down using cylinder and realizes, and
The slideway structure of male-female engagement can be used between sealing plate and corresponding baffler, to guarantee that sealing plate smoothly moves up and down, and
With the gluing, sealing of water outlet, preferably the also settable sealing joint strip of the surrounding in the inside of sealing plate is sealed.
Based on above structure, the signal input part of controller 10 is connected with water quality monitor 71, control output end connection
There are the first driving portion 54, the second driving portion 55 and produces water pump 91.Controller 10 is the programmable logic controller (PLC) based on PLC.Its
In, the starting of micro-nano bubble generator 51 can be controlled by controller 10, can also be manually controlled by staff.
The system is during the work time:
(1) sanitary sewage enters anaerobic room 1 through intake pump by conditioning tank, it is synchronous enter also from the first mud chamber 4
The returned sludge that bottom is pumped back to through sludge reflux controls HRTAnaerobismFor 2~3h, Denitrifying Phosphate Accumulating Organisms are detested in anaerobic room 1
Oxygen releases phosphorus reaction, while using the Dissolved Organic Matter in the energy absorption waste water of process generation, being translated into poly- β-hydroxyl
Base butyric acid simultaneously stores in the cell；
(2) mixed liquor enters anoxic room 2, while the nitrification also from biological contact oxidation chamber 5 entered from anaerobic room 1
Liquid controls HRTAnoxicFor 3~5h, the nitrate that Denitrifying Phosphate Accumulating Organisms are generated using catalytic oxidation room nitrification is as electron acceptor, oxygen
Change the Poly-β-hydroxybutyric acid of storage in the cell, the proliferation of itself is completed using the energy that the process generates, while from sewage
Excessive consumption orthophosphates is simultaneously stored in the cell in the form of poly- phosphorus；
(3) mixed liquor enters aerobic zone from anoxic zone, controls HRTIt is aerobicFor 0.5~1.5h, aerobic phosphorus absorption reaction is carried out；
(4) mixed liquor enters the first mud chamber 4 from bioselection room 3, realizes mud-water separation, the supernatant warp containing ammonia nitrogen
Water pump flows back into biological contact oxidation chamber 5, and a certain amount of phosphorus containing sludge is discharged to reach the mesh of dephosphorization in the bottom of the first mud chamber 4
, remaining is withdrawn into anaerobic room 1, and return sludge ratio is controlled 75%~125%；
(5) mixed liquor enters biological contact oxidation chamber 5 from the first mud chamber 4, the aerator in biological contact oxidation chamber 5
Using micro-nano bubble generator 51, utilizes " super dissolution outgassing technology " and " nano-dispersed technology " to act synergistically, make aqueous vapor height
The mixing that mixes is spent, achievees the effect that be oxygenated rapidly.Biologic packing material, specific surface area 200m2/m3 are added in biological contact oxidation pond
~800m2/m3, packing ratio are 30~45%, by the 4~6h of hydraulic detention time, the dissolved oxygen that control bio-contact oxidation area
Ammonium oxidation is nitrate nitrogen by 1.5~2.5mg/L of concentration, nitrifier, and the water outlet of biological contact oxidation chamber 5 is flowed back by nitrification liquid
Blowback flows to anoxic room 2, and mixed liquid recycle ratio is controlled 150%~350%；
(6) mixed liquor precipitates again from biological contact oxidation chamber 5 into the second mud chamber 6；
(7) mixed liquor enters clear water reserviors after the second settling zone precipitating and sterilizes then from the discharge of the discharge outlet of clear water reserviors.
In clear water reserviors, water quality monitor 71 detects the indexes such as metal ion, pH value and the microelement in water quality.
Once Testing index is unqualified, water quality monitor 71 will transmit the signal to controller 10, and controller 10 is just
The movement of the first driving portion 54 can be controlled, the first sealing plate is made to close the first water outlet 52, biological contact oxidation chamber 5 and second is blocked to sink
Connection between shallow lake room 6, and the movement of the second driving portion 55 is controlled simultaneously, second the second water outlet of door open structure 53, connection biology
Catalytic oxidation room 5 and biomembrane reaction room 9, it is anti-into biomembrane that sewage omits step (6) after being handled by biological contact oxidation chamber 5
Room 9 is answered to be handled, after a period of time, 10 water production control of controller pump 91 works, and the mixed liquor in biomembrane reaction room 9 enters
Then clear water reserviors disinfection is discharged from the discharge outlet of clear water reserviors.
When Testing index qualification, then biomembrane reaction room 9 does not use, and repeat the above steps (1)-(7).
Anaerobic room 1 and/or anoxic room 2 are made of multiple processing chamber housings, are equally used vertical folding manifold formula, are made anaerobic/anoxic
Area's process longest under same dischargeable capacity, under the action of water flow, the substrate in sewage is sufficiently mixed with microorganism to be contacted.Detest
Oxidation-reduction potential (ORP, pH, dissolved oxygen DO) online monitoring instruments are arranged in oxygen area, anoxic zone, monitor microorganism growing environment.
As shown in figure 5, the bottom of the first mud chamber 4 and/or the second mud chamber 6 is equipped with the mud guiding plate of tilted upward setting
41, the low side of the mud guiding plate 41 is arranged towards soil pipe connection port, is conducive to sludge and is discharged from sewage draining exit.And leading mud
The activity setting of plate 41 is provided with the first support portion 42 that is one high and one low and can stretching and the in the bottom interval of mud guiding plate 41
Two support portions 43, support portion can be connected using equipment, first support portion 42 and the second support portions 43 such as oil cylinder, jack
Connect the control output end of controller 10.Under normal circumstances, the one high and one low inclined shore mud guiding plate 41 of two support portions, when need to
When outer spoil disposal, controller 10 controls two support portion intersecting elongates, and two support portions remain a low high setting, so that mud guiding plate
41 both ends move up and down back and forth, so that the sludge on mud guiding plate 41 loosens, are easily discharged.
Micro-nano bubble generator 51 includes the mixing chamber 52 for being sequentially communicated setting, crusher chamber 53, cushion chamber 54 and atomization
Chamber 55, the side wall between the crusher chamber 53 and cushion chamber 54 are equipped with multiple throttle orifices 534, and small end can be used in throttle orifice 534
Towards the bellmouth of cushion chamber 54, the mixing chamber 52 is externally connected with mixing pipe body 523, and the mixing pipe body 523 has water inlet
End and inlet end, the atomization chamber 55 are equipped with bubble outlet.Water, gas sequentially enter mixing chamber 52 from mixing pipe body 523, break
Broken chamber 53, cushion chamber 54 and atomization chamber 55 are then discharged out.
Solvent (usually water) enters mixing chamber 52 through mixing pipe body 523, while gas (generally can be air) is also through mixed
It closes tube body 523 and enters mixing chamber 52, the form mixing of stirring can be used in mixing chamber 52, and then solvent enters crusher chamber 53, into one
Walk and quick crashing carried out to the bubble in solvent, there is certain pressure intensity in crusher chamber 53 at this time, into cushion chamber 54 in after, pressure
Power reduces, and bubble is precipitated, and into after atomization chamber 55, remaining solvent is atomized into micro-nano bubble, with the micro-nano of precipitation
Bubble is discharged through bubble outlet together.
The top of mixing chamber 52 is connected to crusher chamber 53, and mixing chamber 52 is main by the way of baffling, extends connecing for aqueous vapor
Time, process are touched, mixes water, gas uniformly.Specifically, in being equipped in mixing chamber 52, horizontal and spaced muti-piece is mixed up and down
Plywood 521 had water space between the side wall of two adjacent mixed plates 521 opposite one end and mixing chamber 52, so that mixing
The mixing runner that baffling is formed in chamber 52 has and mixing tube in one or more mixed plate 521 of 52 bottom of mixing chamber setting
The cavity that body 523 is connected to forms injection cavity plate 522, and the injection cavity plate 522 is enclosed by corrugated plating to be constituted, and in injection cavity plate 522
On be furnished with several spray-holes, using the shape feature of corrugated plating so that the injection direction of spray-hole is towards all directions, and
The case where crossing there are injection direction improves the uniformity of water, gas mixing.
Middle part in crusher chamber 53 is equipped with a stirring axis body 531 vertically, and one end of the stirring axis body 531 is connected with drive
The driving motor 532 of its rotation is moved, the stirring axis body 531 is equipped with broken flabellum 533, is arranged in stirring 531 two sides of axis body
The high settings such as two broken flabellums 533, i.e., the highs and lows of two broken flabellums 533 are identical, and two broken flabellums 533 divide
It is not obliquely installed up and down.The resistance that the broken flabellum 533 being obliquely installed is subject in rotary course is smaller, and in the knot
In structure, the broken flabellum 533 of the two of sustained height is respectively formed a cone and a reverse taper when rotated, ensure that in crusher chamber 53
The comprehensive engagement of solution and broken flabellum 533 be broken.When in use, driving motor 532 drives stirring axis body 531 to revolve at a high speed
Turn, air pocket is cut into minute bubbles by broken flabellum 533, conducive to crusher chamber 53 gas when rotating at high speed, through throttle orifice 534
Discharging rapidly for high pressure solvent when into cushion chamber 54, releases so that the air in solvent be made to be changed into minute bubbles.
Broken flabellum 533 includes that broken mesh sheet 5331 and cutting plate 5332, the broken mesh sheet 5331 are located in vertical plane,
One end and stirring axis body 531 are fixed, and the reticular density of the broken mesh sheet 5331 is crushed mesh sheet less than 20 holes/square centimeter
5331 when rotating at high speed since its surface is laid with mesh, so as to further carry out quick crashing to the bubble in solvent,
Air pocket is set to be cut into minute bubbles, convenient for the generation and formation of micro-nano bubble.The cutting plate 5332 is located at broken mesh sheet
5331 fronts rotated and perpendicular fixation, broken flabellum 533 make in rotation, and cutting plate 5332 first will be before broken mesh sheet 5331
The solution segmentation of side to reduce the resistance that broken mesh sheet 5331 rotates, and can guarantee that broken mesh sheet 5331 and solution are effective
Contact surface.
Partition is equipped between cushion chamber 54 and atomization chamber 55 vertically, being equipped in partition bottom makes cushion chamber 54 and atomization chamber 55
Between be connected to cross water space, be equipped with notch section 541 in partition top, it is horizontally disposed that the lower part of the cushion chamber 54 is equipped with one
Orifice plate 542 is supported, the support orifice plate 542 is equipped with an air bag 543 for being in contraction state, and the air bag 543 is external useful
In make to its inner inflatable air bag 543 expansion, with squeeze bubble cushion chamber 54 inside by notch section 541 entrance atomization chamber 55 in
Inflation mechanism 544, the inflation mechanism 544 is connected to the control output end of controller 10.The solvent of rotational flow is passing through
It when throttle orifice 534, is dumped into cushion chamber 54 under the influence of centrifugal force, is released high-speed rotating solvent instantaneous pressure,
Being precipitated rapidly so as to cause the air inside solvent becomes micro-nano bubble, and after a period of time, controller 10 controls air bag 543
Expansion makes air bag 543 squeeze the space in cushion chamber 54, and the micro-nano bubble being precipitated at this time will be from the notch section on partition
541 entrance atomization chambers 55, some liquid enter atomization chamber 55 from the water space excessively of bottom and are atomized, remaining solvent quilt
It is atomized into micro-nano bubble, is discharged together through bubble outlet with the micro-nano bubble of precipitation.In the structure, air bag 543 it is swollen
It is swollen-shrink this state change be by the intermittent control inflation mechanism 544 of controller 10 realize, i.e., between air bag 543 does not have
It is primary that the discharge bubble out of cushion chamber 54 will be expanded every certain time.
In order to enhance the efficiency of bubble discharge, it is additionally provided with Blast mechanism 551 in atomization chamber 55, is conducive to accelerate micro-nano
The discharge of bubble.It is equipped with the Blast mechanism 551 for promoting bubble to discharge in the lower section of notch section 541 in atomization chamber 55,
The Blast mechanism 551 is obliquely installed the air draft panel of setting under having, atomizer 552 is equipped with below exhaust gear, described
The outlet of atomizer 552 is connected to 551 upper space of Blast mechanism, air draft panel can accept entered by notch section 541 it is micro-
Nano bubble, and imported into atomization chamber 55, air draft plate is obliquely installed compared with horizontally disposed, air draft direction and atomizer
The direction intersection that the micro-nano bubble of 552 discharges rises, so that the micro-nano bubble that atomizer 552 can also be discharged is blown together
It goes out.The roof of the atomization chamber 55 is arranged in corrugated board structures and with air draft panel parallel, and the bubble outlet is distributed in mist
On the roof for changing chamber 55.Also with the shape feature of corrugated plating, so that the discharge direction of bubble outlet is towards all directions,
It can be 1cm with the uniform Contact-sorption of mixed liquor in biological contact oxidation chamber 5, the diameter of bubble outlet.
The above is only presently preferred embodiments of the present invention, anyone content according to the present invention makes the present invention a little
Simple modification, deformation and equivalent replacement each fall within protection scope of the present invention.
Claims (10)
1. a kind of integral type synchronous denitrification dephosphorizing system characterized by comprising
One reaction cabinet, is enclosed by siding and constitutes a closed chamber, be separated into multiple successively upper and lower foldings by baffler in the chamber
Line connection processing chamber housing, the processing chamber housing include the anaerobic room (1) set gradually, anoxic room (2), bioselection room (3),
First mud chamber (4), biological contact oxidation chamber (5), the second mud chamber (6) and clean water chamber (7), first mud chamber (4), life
Object catalytic oxidation room (5) and the second mud chamber (6) are made of two processing chamber housings, so that the first, second mud chamber (4,6)
Inlet and outlet are set to top；
Wherein,
The bottom of first mud chamber (4) is circumscribed with sludge-tank (8) by the first sewage pipe, by mud return line and anaerobism
Room (1) connection；
Biologic packing material is equipped in the biological contact oxidation chamber (5), bottom is equipped with micro-nano bubble generator (51), the life
Water outlet on object catalytic oxidation room (5) includes the first water outlet (52) and the second water outlet (53) for selecting a unlatching；
The bottom of second mud chamber (6) connects sludge-tank (8) by the second sewage pipe, second mud chamber (6) and life
The first water outlet (52) of object catalytic oxidation room (5) is connected to, and the first water outlet (52), which is equipped with, can be covered closed the
One sealing plate, first sealing plate are connected with the first driving portion (54) that it can be driven to open or close the first water outlet (52)；
The clean water chamber (7) is connected to by nitrification liquid return pipe with anoxic room (2), and inner cavity is equipped with water quality monitor (71)；
The processing chamber housing further includes a biomembrane reaction room (9), the biomembrane reaction room (9) and biological contact oxidation chamber
(5) the second water outlet (53) connection, the second water outlet (53), which is equipped with, can be covered closed second sealing plate, and described the
Two sealing plates are connected with the second driving portion (55) that it can be driven to open or close the second water outlet (53), the biomembrane reaction
Room (9) is connected to clean water chamber (7) by water pump (91) are produced；
The signal input part of one controller (10), the controller (10) is connected with water quality monitor (71), control output end
It is connected with the first driving portion (54), the second driving portion (55) and produces water pump (91).
2. a kind of integral type synchronous denitrification dephosphorizing system according to claim 1, which is characterized in that the anaerobic room (1)
And/or anoxic room (2) are made of multiple processing chamber housings.
3. a kind of integral type synchronous denitrification dephosphorizing system according to claim 1, which is characterized in that first mud chamber
(4) and/or the bottom of the second mud chamber (6) is equipped with the mud guiding plate (41) that tilted upward is arranged, the low side of the mud guiding plate (41)
It is arranged towards soil pipe connection port.
4. a kind of integral type synchronous denitrification dephosphorizing system according to claim 3, which is characterized in that the mud guiding plate (41)
Activity setting is provided with the first support portion (42) that is one high and one low and can stretching and the in the bottom interval of mud guiding plate (41)
Two support portions (43), first support portion (42) and the second support portion (43) are all connected with the control output end of controller (10).
5. a kind of integral type synchronous denitrification dephosphorizing system according to claim 1, which is characterized in that the micro-nano bubble
Generator (51) includes the mixing chamber (52) for being sequentially communicated setting, crusher chamber (53), cushion chamber (54) and atomization chamber (55), described
Side wall between crusher chamber (53) and cushion chamber (54) is equipped with multiple throttle orifices (534), and the mixing chamber (52) is externally connected with
Mixing pipe body (523), the mixing pipe body (523) have water inlet end and inlet end, and the atomization chamber (55) is arranged equipped with bubble
Outlet.
6. a kind of integral type synchronous denitrification dephosphorizing system according to claim 5, which is characterized in that the mixing chamber (52)
Top be connected to crusher chamber (53), horizontal and upper and lower spaced muti-piece mixed plate (521) is equipped in the mixing chamber (52),
There is water space between the opposite one end of adjacent two mixed plates (521) and the side wall of mixing chamber (52), so that mixing chamber
(52) the mixing runner that baffling is formed in has and mixes in one or more mixed plate (521) of mixing chamber (52) bottom setting
The cavity of tube body (523) connection to be closed, injection cavity plate (522) is formed, the injection cavity plate (522) is enclosed by corrugated plating to be constituted, and in
Several spray-holes are furnished in injection cavity plate (522).
7. a kind of integral type synchronous denitrification dephosphorizing system according to claim 5, which is characterized in that the crusher chamber (53)
Interior middle part is equipped with a stirring axis body (531) vertically, and one end of stirring axis body (531) is connected with the drive of its rotation of driving
Dynamic motor (532), the stirring axis body (531) are equipped with broken flabellum (533), in the two of the setting of stirring axis body (531) two sides
High settings such as broken flabellum (533), and two broken flabellums (533) are obliquely installed up and down respectively.
8. a kind of integral type synchronous denitrification dephosphorizing system according to claim 7, which is characterized in that the broken flabellum
(533) include broken mesh sheet (5331) and cutting plate (5332), the broken mesh sheet (5331) is located in vertical plane, one end and
It stirs axis body (531) to fix, the reticular density of the broken mesh sheet (5331) is less than 20 holes/square centimeter, the cutting plate
(5332) it is located at the front of broken mesh sheet (5331) rotation and perpendicular fixation.
9. a kind of integral type synchronous denitrification dephosphorizing system according to claim 5, which is characterized in that the cushion chamber (54)
It is equipped with partition vertically between atomization chamber (55), being equipped in partition bottom makes to be connected between cushion chamber (54) and atomization chamber (55)
Water space is crossed, is equipped with notch section (541) in partition top, the lower part of the cushion chamber (54) is equipped with a horizontally disposed supported hole
Plate (542), support orifice plate (542) are equipped with an air bag (543) for being in contraction state, and the air bag (543) is circumscribed with
For making air bag (543) expansion to its inner inflatable, entering mist to squeeze the internal bubble of cushion chamber (54) by notch section (541)
Change the inflation mechanism (544) in chamber (55), the inflation mechanism (544) is connected to the control output end of controller (10).
10. a kind of integral type synchronous denitrification dephosphorizing system according to claim 9, which is characterized in that the atomization chamber
(55) Blast mechanism (551) for promoting bubble to discharge, the Blast mechanism are equipped in the lower section of notch section (541) in
(551) it is obliquely installed the air draft panel of setting under having, is equipped with atomizer (552) below exhaust gear, the atomizer
(552) outlet is connected to Blast mechanism (551) upper space, the roof of the atomization chamber (55) in corrugated board structures and with row
The setting of wind panel parallel, the bubble outlet are distributed on the roof of atomization chamber (55).
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| CN110713254A (en) * | 2019-11-08 | 2020-01-21 | 北京化工大学 | Postposition anaerobic automatic mixing sewage treatment device with enhanced nitrogen and phosphorus removal function |
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