CN208649036U - The wastewater treatment equipment of synchronous carbon and nitrogen removal - Google Patents
The wastewater treatment equipment of synchronous carbon and nitrogen removal Download PDFInfo
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- CN208649036U CN208649036U CN201721870092.4U CN201721870092U CN208649036U CN 208649036 U CN208649036 U CN 208649036U CN 201721870092 U CN201721870092 U CN 201721870092U CN 208649036 U CN208649036 U CN 208649036U
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Abstract
A kind of wastewater treatment equipment of synchronous carbon and nitrogen removal, the wastewater treatment equipment include: anaerobic membrane bioreactor, denitrification reactor, integral part nitrosation-anaerobic ammoxidation reactor and automatic control unit.The wastewater treatment equipment of the synchronization carbon and nitrogen removal of the utility model can be used for handling high-enriched organics, high-concentration ammonia nitrogenous wastewater, can synchronize removal organic polluter and ammonia nitrogen, and recycle biomass energy, reduce aeration energy consumption, shorten process flow.
Description
Technical field
The utility model belongs to technical field of waste water processing, and in particular to a kind of wastewater treatment dress of synchronous carbon and nitrogen removal
It sets.
Background technique
China's industrial wastewater has the characteristic feature that discharge amount is big, pollutant concentration is high, treatment effeciency is low.In recent years, right
It is too numerous to enumerate in the independent treatment research of high concentrated organic wastewater, high ammonia-nitrogen wastewater.But it is directed to the synchronization of high concentrated organic wastewater
Efficient carbon and nitrogen removal research is then rarely reported.In fact, high concentrated organic wastewater anaerobic digestion solution have high ammonia nitrogen, low-carbon and nitrogen
Than feature, the advantage of suitable anaerobic ammonia oxidation process denitrogenation processing is made it have.This is just anaerobic membrane bioreactor and anaerobism
The combination of ammonia oxidation process provides advantage.
Anaerobic membrane bioreactor technology can effectively overcome methanogen slow growth existing for conventional anaerobic digestion technology,
Concentration is low, microorganism is easy to run off, sludge retention time (SRT) and hydraulic detention time (HRT) cannot separate, anti-shock loading energy
The deficiencies of power is weak, it is independent that HRT and SRT are operated, retain methanogen, simultaneously other microorganisms of effectively catching, raising dirt
Dye object removal effect, UF membrane can be further improved effluent quality simultaneously.But in practical applications, there are reactors for the technology
It is easy to be acidified (such as starch wastewater treatment) or basicity increases (such as pig-farm wastewater processing) and occurs COD removal effect in the process of running
Fruit is unstable and produces the problems such as gas is ineffective and fouling membrane influences water yield.Acid-base accommodation tank in the present apparatus is then directed to
This problem and design, can realize the regulation of online soda acid.And traditional bio-denitrification technology nitrification-denitrification technique, energy
Consumption is high, process flow is long, and needs to add outer carbon source and increase operating cost in denitrification process, causes it novel with other
Biological denitrification process such as Anammox technology, which is compared, does not have significant advantage.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of wastewater treatments of synchronous carbon and nitrogen removal
Device, to solve at least one of above-mentioned technical problem.
The utility model is achieved by the following technical solution:
The utility model provides a kind of wastewater treatment equipment of synchronous carbon and nitrogen removal, comprising:
Anaerobic membrane bioreactor receives waste water to be processed, carries out Anaerobic Digestion to waste water, removes in waste water
Oxygen consumption organic；
Denitrification reactor receives water outlet and the integral part nitrosation-anaerobic of the anaerobic membrane bioreactor
The recirculation water of ammonia oxidation reactor, carries out denitrification denitrogenation processing, to denitrogenation of waste water and further removes oxygen consumption organic, simultaneously
Carry out runoff investigation；
Integral part nitrosation-anaerobic ammoxidation reactor receives the water outlet of the denitrification reactor, carries out sub-
Nitration-anaerobic ammoxidation processing, removes the ammonia nitrogen in waste water；And
Automatic control unit carries out real-time monitoring and control to wastewater treatment process.
Wherein, it is raw to control the anaerobic membrane by the liquid level of the monitoring denitrification reactor for the automatic control unit
The water yield of object reactor, the inflow of the integral part nitrosation-anaerobic ammoxidation reactor and from the one
Formula partial nitrification-anaerobic ammonia oxidation reactor flows back into the water of the denitrification reactor, realizes the institute to continuous operation
The linking of the integral part nitrosation-anaerobic ammoxidation reactor of anaerobic membrane bioreactor and intermittent duty is stated, it is full
The water demand of each reactor of foot.
Further, the wastewater treatment equipment of the synchronous carbon and nitrogen removal further includes tubular membrane component, passes through circulating pump
It is connect with the anaerobic membrane bioreactor, UF membrane is carried out to the water outlet of the anaerobic membrane bioreactor；Preferably, institute
Stating tubular membrane component is inner pressed hyperfiltration membrane assembly or micro-filtration membrane module.
Further, the water outlet of the tubular membrane component includes:
Is produced from the mouth of a river, the water after UF membrane enters the denitrification reactor through the production mouth of a river；And
Circulation port is connect by pipeline with the anaerobic membrane bioreactor.
Further, the wastewater treatment equipment of the synchronous carbon and nitrogen removal further includes gas metering system, described in metering
The production gas of anaerobic membrane bioreactor, and signal is accessed into automatic control unit；The gas metering system includes gas buffer
Bottle and electronic gas flowmeter.
Further, the adjustable agitating paddle of speed, liquid level sensor, pH electrode are equipped in the anaerobic membrane bioreactor
With ORP electrode, automatic control unit is connected to by transmitter；
Further, it is equipped with the adjustable agitating paddle of speed and liquid level sensor in the denitrification reactor, passes through pick-up
Device is connected to automatic control unit；
Further, be equipped in the integral part nitrosation-anaerobic ammoxidation reactor the adjustable agitating paddle of speed,
Liquid level flowmeter sensor, DO electrode, pH electrode, ORP electrode and ammonia nitrogen electrode, are connected to automatic control unit by transmitter；
Further, the anaerobic membrane bioreactor and the integral part nitrosation-anaerobic ammoxidation reactor
It is all equipped with acid solution and adjusts tank and lye adjusting tank, to realize regulation of the automatic control unit to inside reactor acid-base property.
Further, the anaerobic membrane bioreactor and the integral part nitrosation-anaerobic ammoxidation reactor
Outside is equipped with insulation jacket, and is connected by pipeline with same water bath equipment.
Further, aeration plate or air stone are equipped in the integral part nitrosation-anaerobic ammoxidation reactor, it is empty
Gas passes sequentially through aeration pump and gas flowmeter enters the aeration plate or air stone.
Further, the inlet bucket is driven through pipeline by external peristaltic pump and is intake.
Further, the mounting height of the denitrification reactor is higher than the integral part nitrosation-anaerobic ammonia oxygen
Change the mounting height of reactor.
It can be seen from the above technical proposal that the wastewater treatment equipment of the synchronization carbon and nitrogen removal of the utility model is with following
The utility model has the advantages that
(1) combine a variety of each related parameters in line electrode, real-time monitoring reaction system, grasp reactor operation in time
State, and its overall operation, high degree of automation, operation and maintenance simplicity are controlled by PLC system；
(2) with lower energy consumption to realize highly concentrated organic pollutant using shorter process flow synchronous with ammonia nitrogen
Removal；
(3) dexterously realized to the anaerobic membrane bioreactor of continuous operation by two parallel denitrification reactors and
The successive conversion of the anaerobic ammonia oxidation reactor of intermittent duty；
(4) denitrification reactor is also further removing organic dirt in addition to having the function of being connected continuous-batch reactor
The pollutant entirety removal effect that reactor is improved while dye object and denitrogenation, has been effectively relieved having for subsequent Anammox
Machine inhibits.
Detailed description of the invention
Fig. 1 is the wastewater treatment equipment schematic diagram of synchronous carbon and nitrogen removal in the utility model embodiment；
Fig. 2 is the wastewater treatment equipment upper layer top view of synchronous carbon and nitrogen removal in the utility model embodiment；
Fig. 3 is the wastewater treatment equipment lower layer top view of synchronous carbon and nitrogen removal in the utility model embodiment；
[description of symbols]
1- inlet bucket；2- anaerobic membrane bioreactor；
3- gas buffer bottle；4- electronic gas flowmeter；
5- tubular membrane component；6- denitrification reactor；
8- automatic control unit；9- remote control computer；
7- integral part nitrosation-anaerobic ammoxidation reactor；10- return pipe；
11- circulating pump；12- constant temperature water bath；
13- peristaltic pump；14- inlet bucket.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is described in further detail.
The utility model discloses a kind of wastewater treatment equipment of synchronous carbon and nitrogen removal, the wastewater treatment equipment includes:
Anaerobic membrane bioreactor, denitrification reactor, integral part nitrosation-anaerobic ammoxidation reactor and automatic control are single
Member.It is useless that the wastewater treatment equipment of the synchronization carbon and nitrogen removal of the utility model can be used for handling high-enriched organics, ammonia nitrogen in high density
Water can synchronize removal organic polluter and ammonia nitrogen, and recycle biomass energy, reduce aeration energy consumption, shorten process flow.
Specifically, the utility model provides a kind of wastewater treatment equipment of synchronous carbon and nitrogen removal, and Fig. 1 is synchronous to remove carbon
The wastewater treatment equipment schematic diagram of denitrogenation.
As shown in Figure 1, the device includes: inlet bucket 1, anaerobic membrane bioreactor 2, gas buffer bottle 3, electronic gas stream
Meter 4, denitrification reactor 6, integral part nitrosation-anaerobic ammoxidation reactor 7, automatically controls list at tubular membrane component 5
First 8, remote control computer；Auxiliary device has acid solution to adjust tank, lye adjusting tank, water-bath heat-preserving equipment, aerator.
Each component part of the wastewater treatment equipment of the synchronous carbon and nitrogen removal of the present embodiment is described in detail below.
Inlet bucket 1 is driven through pipeline by external peristaltic pump and is intake.
Anaerobic membrane bioreactor 2 receives the waste water of inlet bucket, carries out Anaerobic Digestion to waste water, removes waste water
In oxygen consumption organic.
Denitrification reactor 6 receives the water outlet of anaerobic membrane bioreactor, denitrification denitrogenation processing is carried out, to waste water
Denitrogenation simultaneously further removes oxygen consumption organic, while carrying out runoff investigation；The mounting height of denitrification reactor 6 is higher than integral type
The mounting height of partial nitrification-anaerobic ammonia oxidation reactor 7.
Integral part nitrosation-anaerobic ammoxidation reactor 7 receives the water outlet of denitrification reactor, carries out nitrous
Change-Anammox processing, removes the ammonia nitrogen in waste water；It is equipped with and exposes in integral part nitrosation-anaerobic ammoxidation reactor 7
Gas disk or air stone, air passes sequentially through aeration pump and gas flowmeter enters aeration plate or air stone.Anaerobic membrane biological reaction
There is insulation jacket outside device 2 and integral part nitrosation-anaerobic ammoxidation reactor 7, and is set by pipeline and same water-bath
It is standby to be connected.
Automatic control unit 8 carries out wastewater treatment process by the electrode and sensor that are installed in reactor real-time
Monitoring and control, anaerobic membrane bioreactor 2 is interior to be equipped with the adjustable agitating paddle of speed, liquid level sensor, pH electrode and ORP electricity
Pole is connected to automatic control unit by transmitter；The adjustable agitating paddle of speed and level sensing are equipped in denitrification reactor 6
Device is connected to automatic control unit by transmitter；Speed is equipped in integral part nitrosation-anaerobic ammoxidation reactor 7
Adjustable agitating paddle, liquid level flowmeter sensor, DO electrode, pH electrode, ORP electrode and ammonia nitrogen electrode are connected to certainly by transmitter
Dynamic control unit；Anaerobic membrane bioreactor 2 and integral part nitrosation-anaerobic ammoxidation reactor 7 are all equipped with acid solution tune
It saves tank and lye adjusts tank, to realize regulation of the automatic control unit to inside reactor acid-base property.
Wherein, the preferred PLC automatic control unit of automatic control unit 8, by monitoring the liquid level of denitrification reactor 6, control
The water yield of anaerobic membrane bioreactor 2 processed, the inflow of integral part nitrosation-anaerobic ammoxidation reactor 7 and from
Integral part nitrosation-anaerobic ammoxidation reactor 7 flows back into the water of denitrification reactor 6.
Tubular membrane component 5 is connect, to anaerobic membrane bioreactor 2 with anaerobic membrane bioreactor 2 by circulating pump
Water outlet carries out UF membrane；Tubular membrane component 5 is inner pressed hyperfiltration membrane assembly or micro-filtration membrane module.It wraps the water outlet of tubular membrane component
It includes: producing the mouth of a river, the water after UF membrane enters denitrification reactor through producing the mouth of a river；And circulation port, it is raw by pipeline and anaerobic membrane
The connection of object reactor.
Gas metering system, measures the production gas of anaerobic membrane bioreactor, and signal is accessed automatic control unit；Gas
Body metering system includes gas buffer bottle 3 and electronic gas flowmeter 4.
The application method of the wastewater treatment equipment of the synchronization carbon and nitrogen removal introduced below.
Before reactor coordinated operation, need respectively tame each reactor, start.It is all obtained into each section reactor
After function starting, coordinated operation experimental study is carried out.It is specific as follows:
Inlet bucket is connected to through peristaltic pump with anaerobic membrane bioreactor；Liquidometer, pH are equipped in anaerobic membrane bioreactor
Real-time level, pH and ORP data are transferred to PLC system by electrode and ORP electrode, liquidometer and pH electrode and ORP electrode, after
Operation of the person through logic judgment feedback control acid adding plus alkali pump, to maintain the pH in reactor in most suitable range (6.8~7.2).
By electronic pump Continuous Drive, the size of water yield can be adjusted by circulating valve for film water outlet, the front and back difference of tubular membrane
Equipped with pressure gauge and flowmeter, fouling membrane situation can be judged by monitoring to its transmembrane pressure TMP and water yield and record, with
Just clean and maintenance is carried out to membrane module in due course.
Film produces one that water enters through motor-driven valve control in two parallel denitrification reactors, and judgment criteria is level value
Compare, No. 1 denitrification reactor is preferentially obtained into water when level value is identical, and otherwise the high person of level value obtains it.When a certain denitrification
When the water inlet liquid level of reactor reaches setting high level, stop water inlet, continue to stir, film produces water and controls through robot control system(RCS) and enters at this time
Another liquid level does not reach the denitrification reactor of setting value.Denitrification reactor and integral part that liquid level reaches setting value are set
It is quiet heavy that nitrosation-anaerobic ammonia oxidation reactor synchronizes, after the latter's draining (refluxing portion enters another denitrification reactor) afterwards etc.
It is drained to certain time, is stirred after draining again；When the liquid level of another denitrification reactor reaches setting value
The reactor starts to receive film production water and possible anaerobic ammonia oxidation effluent refluxing portion.Circulation in this way.
Denitrification reactor water outlet enters sequence bioreactor (SBR, integral part nitrosation-anaerobic ammoxidation
Reactor) after, PLC system passes through ammonia nitrogen electricity by its start and stop (namely start and stop of sbr reactor device water inlet) of Liquid level in the process
The termination that (such as 30mg/L) controls reaction is arranged in pole, carries out continuing stirring, quiet heavy and draining later.PH in sbr reactor device
Parameter information can feedback control acid adding or add alkali pump start and stop, make reaction system maintain optimal pH range (6.8~7.8)；ORP
Or DO electrode reading can help to run the Redox Condition that controllers judge reaction system, can play forewarning function.
Embodiment: the synchronization carbon and nitrogen removal bioreactor for treatment potato waste water based on the method for the present invention
With the practical potato waste water of bioreactor for treatment of the invention, carried out using PLC control system combined method for regulating
Operation regulation.Water inlet used is practical potato waste water, and basic parameter is shown in Table 1.
1 potato waste water quality parameter of table
Anaerobic membrane bioreactor used is to be thoroughly mixed formula reaction system；Membrane module is external tubular membrane.Other are anti-
Answer device and auxiliary device with aforementioned.Anaerobic reactor dischargeable capacity is 15L, and sludge concentration is in 8~15g/L, reaction temperature are
Warm (35 ± 1 DEG C), HRT is determined by day output and dischargeable capacity.After anaerobic digestion and film filtering, organic matter is obtained for water inlet
With degradation, removal rate is 90% or more；Ammonia nitrogen concentration increases, up to 800~1200mg/L.Film water outlet enters denitrification reactor
Afterwards, COD and nitrate nitrogen can be removed 10%~30% respectively, and for the waste water after sbr reactor device, ammonia nitrogen can be removed 90% or more.
To sum up, the wastewater treatment equipment of the synchronization carbon and nitrogen removal of the utility model can be used for handling high-enriched organics, height
Concentration ammonia nitrogen wastewater can synchronize removal organic polluter and ammonia nitrogen, and recycle biomass energy, reduce aeration energy consumption, shorten
Process flow.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, are not limited to this reality
With novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all include
It is within the protection scope of the utility model.
Claims (9)
1. a kind of wastewater treatment equipment of synchronous carbon and nitrogen removal characterized by comprising
Anaerobic membrane bioreactor receives waste water to be processed, carries out Anaerobic Digestion to waste water, removes the consumption in waste water
Oxygen organic；
Denitrification reactor receives water outlet and the integral part nitrosation-anaerobic ammonia oxygen of the anaerobic membrane bioreactor
Change the recirculation water of reactor, carry out denitrification denitrogenation processing, to denitrogenation of waste water and further removes oxygen consumption organic, carry out simultaneously
Runoff investigation；
Integral part nitrosation-anaerobic ammoxidation reactor receives the water outlet of the denitrification reactor, carries out nitrous
Change-Anammox processing, removes the ammonia nitrogen in waste water；And
Automatic control unit carries out real-time monitoring and control to wastewater treatment process；
Wherein, it is anti-to control the anaerobic membrane biosystem by the liquid level of the monitoring denitrification reactor for the automatic control unit
Answer the water yield of device, the inflow of the integral part nitrosation-anaerobic ammoxidation reactor and from the integral type portion
The water for dividing nitrosation-anaerobic ammoxidation reactor to flow back into the denitrification reactor, realization are detested described in continuous operation
The linking of aerobic membrane bioreactor and the integral part nitrosation-anaerobic ammoxidation reactor of intermittent duty meets each
The water demand of a reactor.
2. the wastewater treatment equipment of synchronous carbon and nitrogen removal according to claim 1, which is characterized in that the synchronization is de- except carbon
The wastewater treatment equipment of nitrogen further includes tubular membrane component, is connect by circulating pump with the anaerobic membrane bioreactor, to institute
The water outlet for stating anaerobic membrane bioreactor carries out UF membrane；The tubular membrane component is inner pressed hyperfiltration membrane assembly or microfiltration membranes group
Part.
3. the wastewater treatment equipment of synchronous carbon and nitrogen removal according to claim 2, which is characterized in that the tubular membrane component
Water outlet include:
Is produced from the mouth of a river, the water after UF membrane enters the denitrification reactor through the production mouth of a river；And
Circulation port is connect by pipeline with the anaerobic membrane bioreactor.
4. the wastewater treatment equipment of synchronous carbon and nitrogen removal according to claim 1, which is characterized in that the synchronization is de- except carbon
The wastewater treatment equipment of nitrogen further includes gas metering system, measures the production gas of the anaerobic membrane bioreactor, and by signal
Access automatic control unit；The gas metering system includes gas buffer bottle and electronic gas flowmeter.
5. the wastewater treatment equipment of synchronous carbon and nitrogen removal according to claim 1, which is characterized in that the anaerobic membrane biosystem
It is equipped with the adjustable agitating paddle of speed, liquid level sensor, pH electrode and ORP electrode in reactor, is connected to automatically by transmitter
Control unit；
It is equipped with the adjustable agitating paddle of speed and liquid level sensor in the denitrification reactor, automatic control is connected to by transmitter
Unit processed；
Be equipped in the integral part nitrosation-anaerobic ammoxidation reactor the adjustable agitating paddle of speed, liquid level flowmeter sensor,
DO electrode, pH electrode, ORP electrode and ammonia nitrogen electrode, are connected to automatic control unit by transmitter；
The anaerobic membrane bioreactor and the integral part nitrosation-anaerobic ammoxidation reactor are all equipped with acid solution adjusting
Tank and lye adjust tank, to realize regulation of the automatic control unit to inside reactor acid-base property.
6. the wastewater treatment equipment of synchronous carbon and nitrogen removal according to claim 1, which is characterized in that the anaerobic membrane biosystem
Insulation jacket is equipped with outside reactor and the integral part nitrosation-anaerobic ammoxidation reactor, and by pipeline and together
One water bath equipment is connected.
7. the wastewater treatment equipment of synchronous carbon and nitrogen removal according to claim 1, which is characterized in that the integral part
Be equipped with aeration plate or air stone in nitrosation-anaerobic ammoxidation reactor, air pass sequentially through aeration pump and gas flowmeter into
Enter the aeration plate or air stone.
8. the wastewater treatment equipment of synchronous carbon and nitrogen removal according to claim 1, which is characterized in that the wastewater treatment dress
Setting further includes inlet bucket, is connected to the anaerobic membrane bioreactor, and the inlet bucket is driven by external peristaltic pump through pipeline
Water inlet.
9. the wastewater treatment equipment of synchronous carbon and nitrogen removal according to claim 1, which is characterized in that the anti-nitration reaction
The mounting height of device is higher than the mounting height of the integral part nitrosation-anaerobic ammoxidation reactor.
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| CN201721870092.4U CN208649036U (en) | 2017-12-27 | 2017-12-27 | The wastewater treatment equipment of synchronous carbon and nitrogen removal |
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| CN201721870092.4U CN208649036U (en) | 2017-12-27 | 2017-12-27 | The wastewater treatment equipment of synchronous carbon and nitrogen removal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921979A (en) * | 2019-11-05 | 2020-03-27 | 光大环境科技（中国）有限公司 | Waste water treatment device |
| CN111675437A (en) * | 2020-06-18 | 2020-09-18 | 中国科学院生态环境研究中心 | Method and device for treating inorganic ammonia nitrogen wastewater by electro-adsorption-anaerobic ammonia oxidation |
-
2017
- 2017-12-27 CN CN201721870092.4U patent/CN208649036U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921979A (en) * | 2019-11-05 | 2020-03-27 | 光大环境科技（中国）有限公司 | Waste water treatment device |
| CN111675437A (en) * | 2020-06-18 | 2020-09-18 | 中国科学院生态环境研究中心 | Method and device for treating inorganic ammonia nitrogen wastewater by electro-adsorption-anaerobic ammonia oxidation |
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