CN110357255A - A kind of high-efficient denitrification and dephosphorization oxidation ditch - Google Patents

A kind of high-efficient denitrification and dephosphorization oxidation ditch Download PDF

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Publication number
CN110357255A
CN110357255A CN201910600708.3A CN201910600708A CN110357255A CN 110357255 A CN110357255 A CN 110357255A CN 201910600708 A CN201910600708 A CN 201910600708A CN 110357255 A CN110357255 A CN 110357255A
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CN
China
Prior art keywords
groove
ditch
isocon
flashboard
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910600708.3A
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Chinese (zh)
Inventor
李杨
赵凯
郜于轩
张琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Pioneer Water Co Ltd
TIANJIN CAPITAL ENVIRONMENTAL PROTECTION GROUP CO Ltd
Original Assignee
Xi'an Pioneer Water Co Ltd
TIANJIN CAPITAL ENVIRONMENTAL PROTECTION GROUP CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xi'an Pioneer Water Co Ltd, TIANJIN CAPITAL ENVIRONMENTAL PROTECTION GROUP CO Ltd filed Critical Xi'an Pioneer Water Co Ltd
Priority to CN201910600708.3A priority Critical patent/CN110357255A/en
Publication of CN110357255A publication Critical patent/CN110357255A/en
Pending legal-status Critical Current

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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
    • 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
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia

Abstract

The present invention relates to a kind of high-efficient denitrification and dephosphorization oxidation ditches of technical field of sewage, it includes ditch body, ditch body includes anaerobic pond and biological tank, anaerobic pond side offers water inlet, water inlet is provided with the first water inlet flashboard, cyclic processing device is provided in biological tank, each cyclic processing device includes a ditch and two ditches, inlet opening is offered on one ditch and two ditches, the second water inlet flashboard is provided at inlet opening, one ditch and two ditches are connected to by draft tube, electromagnetism butterfly valve is provided on draft tube, one ditch and two ditches are also provided with water outlet, water outlet is provided with water outlet flashboard, one ditch and two ditches include first groove and second groove, and first groove and second groove form first circulation circuit, first groove and second groove bottom are provided with several aerators.High-efficient denitrification and dephosphorization oxidation ditch is designed, the practicability of high-efficient denitrification and dephosphorization oxidation ditch is improved, meanwhile, improve the whole efficiency of sewage treatment.

Description

A kind of high-efficient denitrification and dephosphorization oxidation ditch
Technical field
The present invention relates to technical field of sewage, more particularly, to a kind of high-efficient denitrification and dephosphorization oxidation ditch.
Background technique
The system for sewage treatment that oxidation ditch is made of the oxidation ditch of two same volumes.The advantages of oxidation ditch Have: first, biological carbon and phosphorous removal function may be implemented, and not increasing reaction pool volume;Second, significantly improving whole system Treatment effeciency and operation stability;Third, operation control is simple, and save cost.
The application documents of Publication No. CN102010062B disclose a kind of MBR wastewater treating system with double circular grooves, this is bicyclic Ditch MBR waste water treatment system, including water inlet pipe, outlet pipe and water treatment zone equipped with MBR membrane bioreactor, wherein at water Managing area includes the outer channel and interior channel separated by pool wall, and water inlet pipe is communicated with outer channel, outlet pipe and interior channel It communicates, MBR membrane bioreactor is located in interior channel, is provided with overflow in the pool wall between outer channel and interior channel Weir is also symmetrically equipped with multiple groups impeller and refluxing opening, and outer channel on the pool wall between outer channel and interior channel In be equipped with rotary aeration disc, interior channel center be equipped with central island.
The method of operation of the MBR wastewater treating system with double circular grooves is to lead to treatment sewage through being pumped into outer fissure into water inlet Road, meanwhile, the mixture reflux of the sludge and water of interior channel is sent by outer channel by impeller, in pushing away for rotary aeration disc Under stream effect, the mixed liquor of outer channel is mixed with the mud mixed liquid to flow back from interior channel, and channel flows outside annular.
Above-mentioned MBR wastewater treating system with double circular grooves when in use, when the device in outer channel or interior channel damages Bad when, will lead to MBR wastewater treating system with double circular grooves and integrally stop working, and influence the whole efficiency of sewage treatment.
Summary of the invention
The object of the present invention is to provide a kind of high-efficient denitrification and dephosphorization oxidation ditches, are connect by design multiple groups with anaerobic pond Cyclic processing device, wherein when one group of cyclic processing device breaks down, remaining cyclic processing device still can to sewage into Row processing, improves the practicability of high-efficient denitrification and dephosphorization oxidation ditch, meanwhile, improve the whole efficiency of sewage treatment.
Above-mentioned purpose of the invention has the technical scheme that
A kind of high-efficient denitrification and dephosphorization oxidation ditch, including ditch body, the ditch body include anaerobic pond and biological tank, the anaerobic pond side Water inlet is offered, the water inlet is provided with the first water inlet flashboard, and at least three groups are provided in the biological tank and is divided side by side The cyclic processing device of cloth, each cyclic processing device include a ditch and two ditches, a ditch and two ditches and anaerobic pond Connection side offers inlet opening, and the second water inlet flashboard is provided at the inlet opening, and a ditch and two ditches pass through through-flow Pipe is connected to, and is provided with electromagnetism butterfly valve on the draft tube, a ditch and two ditches are also provided with water outlet, and the water outlet is set It is equipped with water outlet flashboard, the water outlet flashboard is located at the second water inlet flashboard and corresponds to side, and a ditch and two ditches include the first ditch Slot and second groove, and the first groove and second groove form first circulation circuit, the first groove and second groove Bottom is provided with several aerators.
By implementing above-mentioned technical proposal, the first water inlet flashboard is adjusted, so that water inlet opening, the mixture of sludge and water It is flowed into anaerobic pond from water inlet, Anaerobic Treatment is carried out in anaerobic pond, made organic matter that hydrolysis, acidification and methanation occur, go Except the organic matter in the mixture of sludge and water, the second water inlet flashboard is then adjusted, so that the mixture of sludge and water flows into life In object pond, the mixture of sludge and water is separately flowed into a ditch and two ditches, then again first groove and second groove formed the Circular treatment is carried out in one circulation loop, when a ditch goes out into, two ditches, adjusts aerator, so that two ditches are aerated, a ditch is not quick-fried Gas;When two ditches go out into, two ditches, aerator is adjusted, so that a ditch and two ditches are aerated;When two ditches go out into a, ditch, adjust Aerator, so that a ditch is aerated, two ditches are not aerated;When a ditch goes out into a, ditch, aerator is adjusted, so that a ditch and two Ditch is aerated;When the ammonia nitrogen value of the mixture by biological tank treated sludge and water meets the requirements, water outlet flashboard is adjusted, By the mixture discharge of treated sludge and water;The high-efficient denitrification and dephosphorization oxidation ditch of design passes through design multiple groups and anaerobic pond The cyclic processing device of connection, wherein remaining cyclic processing device still can be to dirt when one group of cyclic processing device breaks down Water is handled, and the practicability of high-efficient denitrification and dephosphorization oxidation ditch is improved, meanwhile, improve the whole efficiency of sewage treatment.
The present invention is further arranged to, and partition is provided in the anaerobic pond, and the partition follows anaerobic pond formation second Loop back path, the second circulation circuit are connected to inlet opening.
By implementing above-mentioned technical proposal, the partition of design, so that anaerobic pond forms circulation loop, convenient for sludge and water Mixture carries out circular treatment;The anaerobic pond of design, can to the organic matter in the mixture of sludge and water occur hydrolysis, acidification and Methanation removes the organic matter in waste water, and improves the biodegradability of sewage, is conducive to subsequent Aerobic Process for Treatment.
The present invention is further arranged to, and is provided at least two groups in the first circulation circuit and second circulation circuit and is pushed away Flow device.
By implementing above-mentioned technical proposal, the impeller of setting circulates the mixture of sludge and water, increases water Oxygen content settles activated sludge not.
The present invention is further arranged to, and the aerator includes being located at the mixing component and oxygen supply component, described to stir It mixes component and is included on the cell wall of the first groove and second groove and offer cavity, driving electricity is installed in the cavity Machine is connected with retarder in the drive shaft of the driving motor, is provided with shaft on the main shaft of the retarder, the shaft with The main shaft of retarder is connected by shaft coupling, and several uniform points are arranged in the shaft in Yu Suoshu first groove and second groove The aeration plate of cloth.
By implementing above-mentioned technical proposal, driving motor is adjusted, the drive shaft drive of driving motor work, driving motor subtracts Fast device movement, the main shaft of retarder drive pivot, and shaft drives aeration plate rotation;The agitating device of design, can be to first The mixture of sludge and water in groove and second groove is aerated, and the oxygen content in the mixture of mud and water is increased.
The present invention is further arranged to, and the oxygen supply component is included in the cell wall that the first groove is connect with second groove The pipeline of interior setting, is provided with the first isocon and the second isocon with the pipeline connection on the pipeline, and described first Isocon is connected to first groove inner cavity, and second isocon is connected to the inner cavity of second groove, the first isocon of Yu Suoshu Closed pneumatic operated valve, the pneumatic operated valve can be carried out to the first isocon or the second isocon by being provided with the second isocon junction It is connected with air compressor machine, the pipeline is provided with oxygen generator far from the first isocon and second isocon one end.
By implementing above-mentioned technical proposal, oxygen generator is adjusted, so that oxygen generator works, first groove is needed to expose When gas, air compressor machine is adjusted, so that air compressor machine works, air compressor machine drives pneumatic operated valve movement, so that the first isocon access, second point Flow tube closure, the oxygen that oxygen generator generates enter in first groove along the first isocon;When second groove being needed to be aerated, adjust Air compressor machine is saved, so that air compressor machine works, air compressor machine drives pneumatic operated valve movement, so that the second isocon access, the first isocon close It closes, the oxygen that oxygen generator generates enters in second groove along the second isocon;The oxygen supply component of design, can be improved the first ditch The oxygen content of sludge and water in slot and second groove.
The present invention is further arranged to, and MBBR filler is filled in the first groove and second groove.
By implementing above-mentioned technical proposal, the MBBR filler filled in first groove and second groove, mixing component and confession Oxygen device can be such that collision and shear action of the filling carrier in the mixture of Ni Heshui enhances, in the mixture for making mud and water Air bubble it is more tiny, improve the utilization rate of oxygen in the mixture of mud and water;In addition, each carrier of MBBR filler is made For a microreactor, exist simultaneously nitration reaction and anti-nitration reaction, to improve the place of the mixture of mud and water Manage effect.
The present invention is further arranged to, and the water outlet is provided with ammonia nitrogen detector, and ammonia nitrogen detector side is set It is equipped with the first controller, first controller, water outlet gate, ammonia nitrogen detector and aerator pass through connection.
By implementing above-mentioned technical proposal, the ammonia nitrogen detector of water outlet setting can be to by biological tank, treated Ammonia-nitrogen content in the mixture of mud and water is detected, when the ammonia-nitrogen content in the mixture of mud and water meets the requirements, ammonia Nitrogen detector transmits a signal to the first controller, and the first controller issues instruction to water outlet gate, so that water outlet gate is opened; When the ammonia-nitrogen content in the mixture of mud and water is undesirable, ammonia nitrogen detector transmits a signal to the first controller, the One controller is issued to aerator and is instructed, and carries out continuing to locate to the mixture of mud and water in first groove and second groove Reason;The ammonia nitrogen detector of setting, is detected convenient for the ammonia-nitrogen content in the mixture to mud and water.
The present invention is further arranged to, and the first water inlet flashboard, the second water inlet flashboard and water outlet flashboard include deckle board With the gate slid along the deckle board, cylinder is provided on the deckle board, the cylinder axis of the cylinder is connect with gate roof, institute It states and second controller is installed on deckle board side wall, the second controller side is connected with the second control switch, second control Device, the second control switch and cylinder processed pass through connection.
By implementing above-mentioned technical proposal, the second control switch is adjusted, the second control switch transmits a signal to the second control Device processed, the second controller are issued to cylinder and are instructed, cylinder operation, and the cylinder axis of cylinder drives gate to be slided along deckle board It moves, so that the first water inlet flashboard or the second water inlet flashboard are opened, is opened convenient for the inflow of the mixture of mud and water, or water outlet flashboard, So that the mixture of mud and water is discharged.
In conclusion the invention has the following advantages:
One, the high-efficient denitrification and dephosphorization oxidation ditch, the cyclic processing device being connect by designing multiple groups with anaerobic pond, wherein one group is followed When ring processing unit breaks down, remaining cyclic processing device can still be handled sewage, improve high-efficient denitrification and dephosphorization The practicability of oxidation ditch, meanwhile, improve the whole efficiency of sewage treatment;
Two, the high-efficient denitrification and dephosphorization oxidation ditch, the MBBR filler of filling improve the utilization rate of oxygen in the mixture of mud and water, And nitration reaction and anti-nitration reaction are existed simultaneously, to improve the treatment effect of the mixture of mud and water.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Fig. 2 is the partial structural diagram of the embodiment of the present invention.
Appended drawing reference: 1, ditch body;2, anaerobic pond;21, water inlet;22, the first water inlet flashboard;221, deckle board;222, gas Cylinder;223, gate;23, impeller;24, partition;3, biological tank;4, cyclic processing device;41, a ditch;411, first groove; 412, second groove;42, two ditch;43, inlet opening;44, the second water inlet flashboard;45, draft tube;46, electromagnetism butterfly valve;47, it is discharged Mouthful;48, it is discharged flashboard;5, MBBR filler;6, second circulation circuit;7, first circulation circuit;8, aerator;81, stirring group Part;811, driving motor;812, retarder;813, shaft;814, aeration plate;82, component is supplied oxygen;821, pipeline;822, first Isocon;823, the second isocon;824, pneumatic operated valve;825, air compressor machine;826, oxygen generator;9, ammonia nitrogen detector.
Specific embodiment
Below in conjunction with attached drawing, the technical solution of the embodiment of the present invention is described.
As depicted in figs. 1 and 2, a kind of high-efficient denitrification and dephosphorization oxidation ditch, including ditch body 1, ditch body 1 include anaerobic pond 2 and life Object pond 3, partition 24 is fixedly connected in anaerobic pond 2, and partition 24 makes anaerobic pond 2 form second circulation circuit 6, second circulation circuit 6 are connected to inlet opening 43, and four groups of impellers 23 are equipped in second circulation circuit 6, and impeller 23 can be according to first circulation circuit 7 Flow selection, 2 side of anaerobic pond offers the water inlet 21 being connected to second circulation circuit 6, and the is provided at water inlet 21 One water inlet flashboard 22, the cyclic processing device 4 of two groups and column distribution is provided in biological tank 3, each cyclic processing device 4 wraps A ditch 41 and two ditches 42 are included, a ditch 41 and two ditches 42 connect side close to anaerobic pond 2 and offer inlet opening 43, set at inlet opening 43 It is equipped with the second water inlet flashboard 44, a ditch 41 and two ditches 42 to be connected to by draft tube 45, electromagnetism butterfly valve 46 is installed on draft tube 45, One ditch 41 and two ditches 42 are also provided with water outlet 47 far from the second water inlet 44 side of flashboard, and ammonia nitrogen detection is provided at water outlet 47 Instrument 9,9 model CN608M/CM-04-02 of ammonia nitrogen detector, and water outlet flashboard 48, ammonia nitrogen detector 9 are installed at water outlet 47 Side is provided with the first controller, and the first controller is connect by route with water outlet gate 223, ammonia nitrogen detector 9, the first control Several aerators 8 and the first control switch are also connected on device, a ditch 41 and two ditches 42 include first groove 411 and second Groove 412, first groove 411 and second groove 412 form first circulation circuit 7, are mounted in each first circulation circuit 7 Two groups of impellers 23, and MBBR filler 5 is filled in first groove 411 and second groove 412, MBBR filler 5 can be selected from Gongyi Olympic filter material Co., Ltd, city.
As shown in Fig. 2, aerator 8 is set to 412 bottom of first groove 411 and second groove, aerator 8 includes stirring Mix component 81 and oxygen supply component 82, mixing component 81 be included on the cell wall of first groove 411 and second groove 412 open up it is free Chamber is equipped with driving motor 811 in cavity, retarder 812, the master of retarder 812 is connected in the drive shaft of driving motor 811 Shaft 813 is coaxially arranged on axis, and shaft 813 is connect with the main shaft of retarder 812 by shaft coupling, first groove 411 with Four groups of equally distributed aeration plates 814 are arranged in shaft 813 in second groove 412.
As shown in Fig. 2, oxygen supply component 82 is included in setting in the cell wall that first groove 411 is connect with second groove 412 Pipeline 821 is provided with the first isocon 822 and the second isocon 823 being connected to pipeline 821, the first isocon on pipeline 821 822 are connected to 411 inner cavity of first groove, and the second isocon 823 is connected to the inner cavity of second groove 412,822 He of the first isocon Second isocon, 823 junction, which is provided with, to carry out closed pneumatic operated valve 824 to the first isocon 822 or the second isocon 823, Air compressor machine 825 is provided with above pneumatic operated valve 824, air compressor machine 825 selects SAV15A, and air compressor machine 825 and pneumatic operated valve 824 pass through gas circuit Connection, pipeline 821 are connected with oxygen generator 826 far from the first isocon 822 and 823 one end of the second isocon, and oxygen occurs Device selects Guangdong victory Environmental Protection Technology Co., Ltd.
As shown in Fig. 2, the first water inlet flashboard 22, second is intake, flashboard 44 and water outlet flashboard 48 include deckle board 221 and edge The gate 223 that deckle board 221 slides is mounted on cylinder 222,222 axis of cylinder and gate 223 of cylinder 222 on each deckle board 221 Roof connection, is equipped with second controller on 221 side wall of deckle board, and second controller side is connected with the second control switch, and second Controller, the second control switch and cylinder 222 pass through connection.
The adjustment process of aerator 8 of the present invention are as follows: oxygen generator 826 is adjusted, so that oxygen generator 826 works, When first groove 411 being needed to be aerated, air compressor machine 825 is adjusted, so that air compressor machine 825 works, air compressor machine 825 drives pneumatic operated valve 824 Movement, so that 822 access of the first isocon, the second isocon 823 closure, the oxygen that oxygen generator 826 generates is along first point Flow tube 822 enters in first groove 411;When second groove 412 being needed to be aerated, air compressor machine 825 is adjusted, so that 825 work of air compressor machine Make, air compressor machine 825 drives pneumatic operated valve 824 to move, so that 823 access of the second isocon, the first isocon 822 closure, oxygen hair The oxygen that raw device 826 generates enters in second groove 412 along the second isocon 823;Then driving motor 811, driving electricity are adjusted Machine 811 works, and the drive shaft of driving motor 811 drives retarder 812 to move, and the main shaft of retarder 812 drives shaft 813 to transport Dynamic, shaft 813 drives aeration plate 814 to rotate, and exposes to the mixture of mud and water in first groove 411 and second groove 412 Gas.
The working principle of the invention is: the first water inlet flashboard 22 is adjusted, so that water inlet 21 is opened, the mixing of sludge and water Object flows into anaerobic pond 2 from water inlet 21, and Anaerobic Treatment is carried out in anaerobic pond 2, makes organic matter that hydrolysis, acidification and methane occur Change, remove the organic matter in the mixture of sludge and water, after the completion of processing in anaerobic pond 2, adjusts the second water inlet flashboard 44, So that the mixture of sludge and water can flow into biological tank 3, the mixture of sludge and water is separately flowed into a ditch 41 and two ditches 42, Then carry out Air Exposure in the first circulation circuit 7 that first groove 411 and second groove 412 are formed again, when a ditch 41 into, two When ditch 42 goes out, the first control switch is adjusted, the first control switch transmits a signal in the first controller, and the first controller is to exposure Device of air 8 issues instruction, so that two ditches 42 are aerated, a ditch 41 not gas explosion;When two ditches 42 go out into, two ditches 42, the first control is adjusted System switch, the first control switch transmit a signal in the first controller, and the first controller is issued to aerator 8 and instructed, and make It obtains a ditch 41 and two ditches 42 is aerated;When two ditches 42 go out into a, ditch 41, the first control switch is adjusted, the first control switch will Signal is transmitted in the first controller, and the first controller is issued to aerator 8 and instructed, so that a ditch 41 is aerated, two ditches 42 are not Aeration;When a ditch 41 goes out into a, ditch 41, the first control switch is adjusted, the first control switch transmits a signal to the first control In device, the first controller is issued to aerator 8 and is instructed, so that a ditch 41 and two ditches 42 are aerated;The mixture of sludge and water During the processing of biological tank 3, ammonia nitrogen detector 9 at water outlet 47 can be to by treated the mud of biological tank 3 and water Ammonia-nitrogen content in mixture is detected, when the ammonia-nitrogen content in the mixture of mud and water meets the requirements, ammonia nitrogen detector 9 The first controller is transmitted a signal to, the first controller issues instruction to water outlet gate 223, so that water outlet gate 223 is opened;When When ammonia-nitrogen content in the mixture of mud and water is undesirable, ammonia nitrogen detector 9 transmits a signal to the first controller, and first Controller is issued to aerator 8 and is instructed, to the mixture of mud and water in first groove 411 and second groove 412 carry out after Continuous processing, until meeting the ammonia-nitrogen content requirement in the mixture of mud and water.
When wherein one group of cyclic processing device 4 breaks down, the second water inlet flashboard of this group of cyclic processing device 4 is closed 44, the second control switch of remaining cyclic processing device 4 is adjusted, signal is passed to second controller by the second control switch, the Two controllers are issued to cylinder 222 and are ordered, and cylinder 222 works, and 222 axis of cylinder of cylinder 222 drives gate 223 along deckle board 221 It is slid, so that the first water inlet flashboard 22 or the second water inlet flashboard 44 are opened, the mixture of mud and water is flowed into.

Claims (8)

1. a kind of high-efficient denitrification and dephosphorization oxidation ditch, which is characterized in that including ditch body (1), the ditch body (1) includes anaerobic pond (2) With biological tank (3), anaerobic pond (2) side is offered water inlet (21), is provided with the first water inlet at the water inlet (21) Flashboard (22), the interior cyclic processing device (4) for being provided at least two groups and column distribution of the biological tank (3), each circulation Processing unit (4) includes a ditch (41) He Ergou (42), and a ditch (41) He Ergou (42) connect side with anaerobic pond (2) It offers inlet opening (43), the second water inlet flashboard (44), a ditch (41) He Ergou is provided at the inlet opening (43) (42) it is connected to, is provided with electromagnetism butterfly valve (46) on the draft tube (45), a ditch (41) He Ergou by draft tube (45) (42) it is also provided with water outlet (47), water outlet flashboard (48), water outlet flashboard (48) position is provided at the water outlet (47) In the corresponding side of the second water inlet flashboard (44), a ditch (41) He Ergou (42) includes first groove (411) and the second ditch Slot (412), and the first groove (411) and second groove (412) form first circulation circuit (7), the first groove (411) and second groove (412) bottom is provided with several aerators (8).
2. a kind of high-efficient denitrification and dephosphorization oxidation ditch according to claim 1, which is characterized in that set in the anaerobic pond (2) Be equipped with partition (24), the partition (24) make anaerobic pond (2) formed second circulation circuit (6), the second circulation circuit (6) with Inlet opening (43) connection.
3. a kind of high-efficient denitrification and dephosphorization oxidation ditch according to claim 2, which is characterized in that the first circulation circuit (7) and at least two groups impeller (23) are provided in second circulation circuit (6).
4. a kind of high-efficient denitrification and dephosphorization oxidation ditch according to claim 1, which is characterized in that aerator (8) packet It includes positioned at the mixing component (81) and oxygen supply component (82), the mixing component (81) is included in the first groove (411) Cavity is offered on the cell wall of second groove (412), driving motor (811), the driving motor are installed in the cavity (811) it is connected in drive shaft retarder (812), is provided with shaft (813) on the main shaft of the retarder (812), it is described Shaft (813) is connect with the main shaft of retarder by shaft coupling, in Yu Suoshu first groove (411) and second groove (412) Several equally distributed aeration plates (814) are arranged in shaft (813).
5. a kind of high-efficient denitrification and dephosphorization oxidation ditch according to claim 4, which is characterized in that oxygen supply component (82) packet It includes in the pipeline (821) being arranged in the cell wall that the first groove (411) is connect with second groove (412), the pipeline (821) On be provided with the first isocon (822) and the second isocon (823) being connected to the pipeline (821), first isocon (822) it being connected to first groove (411) inner cavity, second isocon (823) is connected to the inner cavity of second groove (412), in First isocon (822) and the second isocon (823) junction, which are provided with, to shunt the first isocon (822) or second It manages (823) and carries out closed pneumatic operated valve (824), the pneumatic operated valve (824) is connected with air compressor machine (825), and the pipeline (821) is remote First isocon (822) and the second isocon (823) one end are provided with oxygen generator (826).
6. a kind of high-efficient denitrification and dephosphorization oxidation ditch according to claim 5, which is characterized in that the first groove (411) MBBR filler (5) are filled with in second groove (412).
7. a kind of high-efficient denitrification and dephosphorization oxidation ditch according to claim 1, which is characterized in that set at the water outlet (47) It is equipped with ammonia nitrogen detector (9), ammonia nitrogen detector (9) side is provided with the first controller, first controller, water gate Door (223), ammonia nitrogen detector (9) and aerator (8) pass through connection.
8. a kind of high-efficient denitrification and dephosphorization oxidation ditch according to claim 1, which is characterized in that the first water inlet flashboard (22), the second water inlet flashboard (44) and water outlet flashboard (48) include deckle board (221) and the gate along the deckle board (221) sliding (223), it is provided with cylinder (222) on the deckle board (221), cylinder (222) axis of the cylinder (222) and gate (223) are pushed up Wall connects, and is equipped with second controller on deckle board (221) side wall, the second controller side is connected with the second control and opens It closes, the second controller, the second control switch and cylinder (222) pass through connection.
CN201910600708.3A 2019-07-04 2019-07-04 A kind of high-efficient denitrification and dephosphorization oxidation ditch Pending CN110357255A (en)

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Publication number Priority date Publication date Assignee Title
JPH0919696A (en) * 1995-07-06 1997-01-21 Taiyo Toyo Sanso Co Ltd Water temperature follow-up operation method of oxidation ditch and apparatus therefor
CN101786727A (en) * 2010-02-04 2010-07-28 浙江大学 Moving-bed biofilm oxidation ditch
CN101985383A (en) * 2010-11-30 2011-03-16 福州城建设计研究院 Improved four-ditch type oxidation ditch and sewage treatment method thereof
CN102010062B (en) * 2010-12-28 2012-05-23 北京碧水源科技股份有限公司 MBR wastewater treating system with double circular grooves
CN105016469A (en) * 2015-08-14 2015-11-04 昌邑海洋水业有限公司 Automatic compensation device for sludge concentration of biological system
CN106745741A (en) * 2016-12-26 2017-05-31 天津城建大学 The anaerobic oxidation ditch and its operating method of intensified anti-nitrated denitrogenation dephosphorizing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0919696A (en) * 1995-07-06 1997-01-21 Taiyo Toyo Sanso Co Ltd Water temperature follow-up operation method of oxidation ditch and apparatus therefor
CN101786727A (en) * 2010-02-04 2010-07-28 浙江大学 Moving-bed biofilm oxidation ditch
CN101985383A (en) * 2010-11-30 2011-03-16 福州城建设计研究院 Improved four-ditch type oxidation ditch and sewage treatment method thereof
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