A kind of efficient ozone-BAF integrated reacting devices
Technical field
The utility model is used for organic wastewater further treatment technique field, more particularly to a kind of efficient ozone-BAF one
Change reaction unit.
Background technology
BAF(BAF)It is the sewage treatment technique risen the beginning of the nineties.The technique have remove SS, COD,
BOD, nitrification, denitrogenation, dephosphorization, removal AOX(Harmful substance)Effect, be characterized in collection biological oxidation and retain suspended solid and
One, its volumetric loading, hydraulic load are big, and hydraulic detention time is short, and required capital expenditure is few, and effluent quality is good, operation energy consumption
It is low, economic operating cost.
BAF belongs to third generation biofilm reactor, is a kind of special shape of contact oxidation method, can also regard ordinary student as
A kind of deformation in thing filter tank.BAF loads the granular filler of high-specific surface area in bioreactor, to provide microorganism growth
Carrier;Simultaneously in filler blowing air down aeration, spherical particulate filler causes bubble to be lengthened by stroke during filtering layer, and air leads to
The coefficient of oxygen utilization of the bed of material is filtered up to more than 30%, the raising of aerodynamic efficiency reduces the power cost of sewage disposal.No
Only there is the advantage of biomembrane process technology, while also playing effective spatial filtering effect, the water outlet SS treated using BAF
Far below common bioremediation.
But it is due to that traditional BAF techniques are run in practical engineering application in the presence of one being inefficient, reaction speed is not
It hurry up;Two be bed body easily it is hardened or block, cause short circuit and dead band, efficiency decline;Three be limitation the shortcomings of backwashing high energy consumption
The application of the technology;4th, energy utilization rate is not high;5th, pretreating effect is not good.
Utility model content
To solve the above problems, the utility model provides a kind of efficient ozone-BAF integrated reacting devices, it is by ozone
Oxidator and BAF reactors organically combine being integrally formed reaction unit, and reaction efficiency is high, it is to avoid because bed body is hardened or blocking is made
Into short circuit and dead band, reduction backwash power consumption, pretreating effect is more preferably.
The utility model solves the technical scheme that its technical problem used:A kind of efficient ozone-BAF integrated reactings
Provided with granular filler layer and blast aeration system, ozone oxygen in device, including ozone oxidation device and BAF reactors, BAF reactors
Change device and be provided with water intake, BAF reactor heads are provided with delivery port, bottom and the BAF reactors of the ozone oxidation device
Bottom is turned on, and ozonation aerated system is provided with the ozone oxidation device.
The improvement of technical solutions of the utility model is further used as, the blast aeration system includes air aeration pipe and set
The air stirring pipe network being connected below granular filler layer and with air aeration pipe, the ozonation aerated system includes ozone
Device, the ozone stirring pipe network for being located at ozone oxidation device bottom and the ozone for connecting ozone generator and ozone stirring pipe network enter
Tracheae.
It is further used as the improvement of technical solutions of the utility model, in addition to internal circulation system, the internal circulation system bag
Inner circulating reflux pipe and the interior circulation elevator pump being located on the inner circulating reflux pipe are included, the inner circulating reflux pipe is anti-in BAF
Answer device granular filler layer top formed backflow water inlet pipe mouth, inner circulating reflux pipe ozone oxidation device bottom position and in smelly
The top of oxygen stirring pipe network forms the recycling effluent mouth of pipe.
It is further used as the improvement of technical solutions of the utility model, in addition to backwashing system, the backwashing system bag
Include backwash tube and be located on granular filler layer lower section and the water distributor being connected with backwash tube, the bottom tube wall of the water distributor
It is 90 ° to open up angle between two discharge water holes, two discharge water holes, and the aperture of apopore is 3-5mm.
It is further used as in the improvement of technical solutions of the utility model, ozone oxidation device being provided with waste water raw water water inlet pipe, institute
Medium position formation water intake of the waste water raw water water inlet pipe in ozone oxidation device is stated, the BAF reactor bottoms are provided with row
Eat dishes without rice or wine, BAF reactors are provided with water outlet weir plate on the inside of delivery port.
It is further used as setting in the improvement of technical solutions of the utility model, in addition to PLC control cabinet, the ozone oxidation device
Have and air-blowing control valve is equipped with ORP meters, the air aeration pipe and ozone air inlet pipe, the inner circulating reflux pipe is provided with interior
Circulation control valve, flowmeter and pressure gauge, the waste water raw water water inlet pipe be provided with water inlet control valve, the air-blowing control valve,
Interior circulation control valve and water inlet control valve are the magnetic valve being connected with PLC control cabinet, the ORP meters, ozone generator, flow
Meter and pressure gauge are connected with PLC control cabinet.
The improvement of technical solutions of the utility model is further used as, the granular filler layer is arrived in BAF reactors by down
Upper setting multilayer, granular filler layer includes ceramics filling layer.
It is further used as in the improvement of technical solutions of the utility model, the BAF reactors in backflow water inlet pipe mouth and goes out
Backwashing wastewater effluent trough is provided between weir board.
The improvement of technical solutions of the utility model is further used as, ozone oxidation device and BAF reactors are separated by dividing plate,
The dividing plate bottom provided with conducting ozone oxidation device and BAF reactors cross water pipe, it is described cross water pipe two ends have towards to
On the mouth of pipe.
It is further used as on the improvement of technical solutions of the utility model, the inner circulating reflux pipe in interior circularly enhancing pump
Front side is provided with sampling of wastewater pipe, and sampling of wastewater pipe is provided with sampling control valve.
The beneficial effects of the utility model:The utility model, which organically combines ozone oxidation device and BAF reactors, turns into one
Body reaction unit, carries out ozone oxidation in advance before waste water raw water is imported into BAF reactors in ozone oxidation device, then ties again
Close BAF own characteristics and complete wastewater treatment.The utility model reaction efficiency is high, it is to avoid the short circuit caused by bed body is hardened or blocks
And dead band, reduction backwash power consumption, pretreating effect is more preferably.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the utility model structural representation.
Embodiment
Reference picture 1, that show the concrete structure of the preferred embodiment of the utility model.It will be detailed below this reality
With the design feature of new each element, and it is with shown in Fig. 1 if being described to during direction (upper and lower, left and right, before and after)
Structure be that with reference to describing, but actual use direction of the present utility model is not limited thereto.
The utility model provide a kind of efficient ozone-BAF integrated reacting devices, including ozone oxidation device 1 and BAF it is anti-
Device 2 is answered, ozone oxidation device 1 and BAF reactors 2 are located in a container, and ozone oxidation device 1 and BAF reactors 2 pass through dividing plate 3
Separate, provided with granular filler layer 4 and blast aeration system in BAF reactors 2, wherein, the granular filler layer 4 reacts in BAF
Multilayer can be set in device 2 from down to up, granular filler layer 4 is preferably ceramics filling layer, and the blast aeration system includes air
Aeration tube 51 and it is located at the lower section of granular filler layer 4 and the air stirring pipe network 52 that is connected with air aeration pipe 51.Ozone oxidation device 1
Provided with water intake, the top of BAF reactors 2 is provided with delivery port 21, bottom and the BAF reactors 2 of the ozone oxidation device 1
Bottom is turned on, and ozonation aerated system is provided with the ozone oxidation device 1.The ozonation aerated system include ozone generator 61,
Be located at the bottom of ozone oxidation device 1 ozone stirring pipe network 62 and by ozone generator 61 and ozone stirring pipe network 62 connect it is smelly
Oxygen air inlet pipe 63.Ozone oxidation device 61 and BAF reactors 2 are organically combined being integrally formed reaction unit by the utility model, will
Waste water raw water is imported carries out ozone oxidation in ozone oxidation device 1 in advance before BAF reactors 2, then in conjunction with BAF own characteristics
Complete wastewater treatment.
Also include internal circulation system, the internal circulation system includes inner circulating reflux pipe 71 and is located at the inner circulating reflux
Interior circulation elevator pump 72 on pipe 71, the inner circulating reflux pipe 71 is formed back in the top of granular filler layer 4 of BAF reactors 2
Flow into hose nozzle, inner circulating reflux pipe 71 ozone oxidation device 61 bottom position and formed in the top that ozone stirs pipe network 62
The recycling effluent mouth of pipe, the waste water after processing can be again returned to ozone oxidation device 1 carry out secondary cycle by internal circulation system, interior
Circularly enhancing pump 72 flexibly controls effluent recycling ratio, makes to water treatment effect to reach most preferably, the inner circulating reflux pipe 71
On the front side of interior circularly enhancing pump 72 be provided with sampling of wastewater pipe 73, sampling of wastewater pipe 73 provided with sampling control valve 74, can lead to
Cross sampling of wastewater pipe 73 and detection is sampled to waste water, check the state of wastewater treatment.
Also include backwashing system, the backwashing system includes backwash tube 81 and is located at the lower section of granular filler layer 4 simultaneously
Two discharge water holes, two discharge water holes are opened up on the water distributor 82 being connected with backwash tube 81, the bottom tube wall of the water distributor 82
Between angle be 90 °, the aperture of apopore is 3-5mm, and granular filler layer can be backwashed by backwashing system.
Wherein, the bottom of BAF reactors 2 is provided with evacuation port 22, and BAF reactors 2 are provided with water outlet in the inner side of delivery port 22
Weir plate 23.Backwashing wastewater effluent trough 24 is provided with the BAF reactors 2 between backflow water inlet pipe mouth and water outlet weir plate 23,
Backwash water outlet flows back into regulating reservoir and re-starts processing.
In addition, being provided with waste water raw water water inlet pipe 11, the waste water in ozone oxidation effect, ozone oxidation device 1 to improve
Medium position formation water intake of the raw water water inlet pipe 11 in ozone oxidation device 1.The bottom of dividing plate 3 is provided with conducting ozone oxygen
Change the water pipe 12 excessively of device 1 and BAF reactors 2, the two ends for crossing water pipe 12 have towards the upward mouth of pipe, ozone oxidation device 1
To BAF reactors 2 cross water pipe 12 using it is U-shaped it is upward cross water mode, it is to avoid or reduce ozone or air aeration both sides it is straight
Connect and communicate.
Also include provided with ORP meters in PLC control cabinet 9, the ozone oxidation device 1, the air aeration pipe 51 and ozone enter
Air-blowing control valve is equipped with tracheae 63, the inner circulating reflux pipe 71 is provided with interior circulation control valve 75, flowmeter 76 and pressure
Power table 77, the waste water raw water water inlet pipe 11 is provided with water inlet control valve, the air-blowing control valve, interior circulation control valve and water inlet
Control valve is the magnetic valve being connected with PLC control cabinet 9, the ORP meters, ozone generator 61, flowmeter 76 and pressure gauge 77
It is connected with PLC control cabinet 9, whole system is by the automatic control and adjustment interior circulation of PLC control cabinet 9, air aeration, ozonation aerated
Deng there is provided the generation that feedback signal controls ozone generator ozone according to programming requirement for ORP in ozone oxidation device meter
Amount, to energy-saving optimal effect.
Certainly, the invention is not limited to above-mentioned embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.