CN107555601A - A kind of efficient combination nitrogen rejection facility - Google Patents
A kind of efficient combination nitrogen rejection facility Download PDFInfo
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- CN107555601A CN107555601A CN201710985881.0A CN201710985881A CN107555601A CN 107555601 A CN107555601 A CN 107555601A CN 201710985881 A CN201710985881 A CN 201710985881A CN 107555601 A CN107555601 A CN 107555601A
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- reaction tank
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- aerobic reactor
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- nitrogen rejection
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Abstract
The invention belongs to field of environment protection equipment, it is related to high ammonia nitrogen organic wastewater treating system, more particularly to a kind of efficient combination nitrogen rejection facility, it includes a reaction tank and the dividing plate being arranged in the reaction tank, the reaction tank is separated into hypoxia response area and aerobic reactor zone by the dividing plate, a water hole is provided with below the dividing plate, the hypoxia response area is provided with waste water inlet, the aerobic reactor zone is provided with pure water inlet, the aerobic reactor zone bottom is provided with aerating system, filler suspension holdfast is also respectively provided with the hypoxia response area and aerobic reactor zone, the filler suspension holdfast is hung with biologic packing material.The apparatus structure is compact, operation is simple, denitrification functions are efficient, quick update can be carried out on the basis of existing tank body, especially suitable for high-nitrogen waste water biochemical treatment transformation project.
Description
Technical field
The invention belongs to field of environment protection equipment, is related to high ammonia nitrogen organic wastewater treating system, and in particular to a kind of efficient group
Close nitrogen rejection facility.
Background technology
Often contain nitrogenous class material in industrial wastewater, wherein, nitrogenous class in water most commonly seen with organic nitrogen and ammonia nitrogen
Compound is such as discharged into water body without dealing carefully with, and can make water body that serious eutrophication occur, therefore environmental administration of government is near
The requirement come to denitrogenation of waste water processing is more and more tighter.
Waste water treatment process species is various, wherein most commonly seen with biological denitrification process, biological denitrification process mechanism is to detest
Organic nitrogen is converted into ammonia nitrogen by oxygen animalcule by ammoniation, is then being had by obligate aerobic bacteria Nitrosomas and Nitromonas
Mineralized nitrogen is completed into biological nitrification process for nitrite nitrogen and nitrate nitrogen under conditions of oxygen, last nitrate nitrogen and nitrite nitrogen exist
Nitrogen is converted into by denitrifying bacterium reduction under conditions of anaerobic or anoxic and completes biological denitrification denitrification process.
Based on the main denitrification process such as including A/O, A/A/O, SBR of principles above biological denitrification process, pin in industry at present
To the ammonia nitrogen removal in waste water, for existing wide variety of Structure and Process form, using horizontal layout My Perspective On The Co-building
Set, i.e., Aerobic Pond, anoxic pond, which are independently arranged at approximately the same plane or be arranged in same pond body, uses sequence batch processing
Mode is handled, and occupies the bigger area of plane and locational space, and operational control is cumbersome, installation construction cost is high, the duration compared with
It is long so that it many drawbacks occurs in middle-size and small-size nitrogenous effluent denitrogenation processing.Therefore a kind of efficient combination nitrogen rejection facility is developed,
In the case where as far as possible few floor space, convenient and swift construction and installation and not increasing energy consumption, ensure that device water outlet is nitrogenous and reach
Mark, the denitrogenation processing of centering back yard industry waste water processing station have very big practicality.
The content of the invention
A kind of efficient combination nitrogen rejection facility is provided the invention aims to overcome the deficiencies in the prior art.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of efficient combination nitrogen rejection facility, it includes one
The reaction tank is separated into hypoxia response area and aerobic anti-by reaction tank and the dividing plate being arranged in the reaction tank, the dividing plate
Area is answered, is provided with a water hole below the dividing plate, the hypoxia response area is provided with waste water inlet, and the aerobic reactor zone is set
Pure water inlet is equipped with, the aerobic reactor zone bottom is provided with aerating system, gone back in the hypoxia response area and aerobic reactor zone
Filler suspension holdfast is respectively arranged with, the filler suspension holdfast is hung with biologic packing material.
Optimally, ring weir being additionally provided with above the reaction tank, the ring sluice flat ring is located on the reaction tank inwall,
The ring weir includes ring weir bottom plate and ring weir side plate that is parallel with the reaction tank inwall and being spaced from certain distance, described
Ring weir bottom plate, ring weir side plate and reaction tank inwall enclose the tank to form a upper opening, and the dividing plate divides the tank
Intake chamber and effluent trough are divided into, the waste water inlet is opened on the intake chamber, and the pure water inlet is connected with the effluent trough
It is logical.
Further, the upper edge of ring weir side plate is also evenly arranged with multiple vees.
Optimally, at least one diving mixer is distributed with hypoxia response area bottom even.
Further, the power configuration of the diving mixer is at least water 20W per ton.
Optimally, the efficient combination nitrogen rejection facility main body is the framework of carbon steel material, and drip is wrapped up in the frame table bread
Green grass or young crops, the heat resistant requirements of the efficient combination nitrogen rejection facility are at least 60 DEG C.
Optimally, the filler suspension holdfast in the hypoxia response area is hung with beneficial to denitrifying bacteria biofilm
The flat cord type filler of growth, the filler suspension holdfast in the aerobic reactor zone are hung with beneficial to nitrite bacteria
With the cylinder cord type filler of nitrobacteria biofilm formation growth.
Optimally, the hypoxia response area is additionally provided with mixed liquor import, and the aerobic reactor zone is additionally provided with mixed liquor
Outlet, is connected between the mixed liquor import and the mixture export by reflux pump.
Optimally, the reaction tank side wall in the aerobic reactor zone is additionally provided with manhole.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：Efficient combination of the present invention
Nitrogen rejection facility is high by setting a dividing plate that reaction tank has been separated into hypoxia response area and aerobic reactor zone in reaction tank
Ammonia nitrogen waste water enters hypoxia response area, is taken off by completing denitrification in the presence of the denitrifying bacteria that is grown on biologic packing material
Nitrogen, waste water enter aerobic reactor zone by the water hole of the lower partition again, by foregoing nitrification denitrogenation production under aerating system effect
Raw nitrogen blow releasing, while the nitrococcus by being grown on biologic packing material, nitrobacteria act on aerating system
The nitration reaction of remaining ammonia nitrogen is provided in the aerobic environment of offer.The apparatus structure is compact, operation is simple, denitrification functions are efficient,
Quick update can be carried out on the basis of existing tank body, especially suitable for high-nitrogen waste water biochemical treatment transformation project.
Brief description of the drawings
Fig. 1 is the sectional view of efficient combination nitrogen rejection facility most preferred embodiment of the present invention；
Fig. 2 is the top view of embodiment illustrated in fig. 1；
Wherein：1st, hypoxia response area；11st, waste water inlet；12nd, mixed liquor import；13rd, filler suspension holdfast；131st, flat cord type
Filler；14th, water ring weir is entered；141st, ring weir bottom plate；142nd, ring weir side plate；143rd, breach；15th, intake chamber；16th, diving mixer；
2nd, aerobic reactor zone；21st, pure water inlet；22nd, mixture export；23rd, filler suspension holdfast；231st, cylinder cord type filler；24th, expose
Gas system；241st, it is aerated entrance；242nd, solarization air cap；25th, water ring weir is gone out；251st, ring weir bottom plate；252nd, ring weir side plate；253rd, lack
Mouthful；26th, effluent trough；27th, manhole；3rd, dividing plate；31st, water hole；4th, reaction tank.
Embodiment
The invention will be further described for shown embodiment below in conjunction with the accompanying drawings.
Reaction tank 4 is separated into hypoxia response area 1 and aerobic reactor zone 2 by embodiment as depicted in figs. 1 and 2, dividing plate 3,
Waste water carries out denitrification denitrogenation in hypoxia response area 1, then enters aerobic reactor zone 2 by the water hole 31 of the lower section of dividing plate 3, gives up
The nitration reaction that water carries out remaining ammonia nitrogen in aerobic reactor zone 2 is then discharged out.Waste water enters hypoxia response by waste water inlet 11
Area 1, filler suspension holdfast 13 is provided with reaction zone 1, filler suspension holdfast 13 is hung with beneficial to denitrifying bacteria biofilm formation growth
Flat cord type filler 131, the denitrifying bacteria that waste water can be fully with the flat surface of cord type filler 131 in the hypoxia response area 1
Contact, denitrification denitrogenation is completed in the presence of denitrifying bacterium, residence time of the waste water in hypoxia response area is controlled in 15-18h,
Then enter aerobic reactor zone 2 by being arranged on the water hole 31 of the lower section of dividing plate 3.The bottom of aerobic reactor zone 2 is provided with aeration system
System 24, the aeration entrance 241 of aerating system 24 is arranged on the side wall of reaction tank 4.The injecting compressed air into aeration entrance, air
Bubble can disengage from multiple solarization air caps 242.As shown in Fig. 2 aerating system 24 is equably covered with the bottom of aerobic reactor zone 2, it is more
Individual solarization air cap 242 is covered with also while equably the bottom of aerobic reactor zone 2.The effect of aerating system 24 mainly has at 2 points：First,
Nitrogen can be produced after nitrification denitrogenation is carried out in hypoxia response area 1, the bubble that aerating system disengages can take away the nitrogen in waste water,
It is set to be overflowed from waste water；Second, nitration reaction needs oxygen, and aerating system 24 can provide enough for the nitration reaction of waste water
Oxygen.Be provided with filler suspension holdfast 23 in aerobic reactor zone 2, filler suspension holdfast 23 be hung with beneficial to nitrite bacteria and
The cylinder cord type filler 231 of nitrobacteria biofilm formation growth.Waste water in the aerobic reaction tank 2 can fully with cylinder cord type filler 231
The nitrite bacteria on surface and nitrobacteria contact, nitration reaction is carried out under the aerobic environment that aerating system 24 provides.Waste water
Residence time in aerobic reactor zone 2 controls flows out in 15-18h, subsequent waste water from pure water inlet 21.
In the present embodiment, the top of reaction tank 4 is provided with ring weir, and ring weir is separated into water ring weir 14 and goes out water ring by dividing plate 3
Weir 25.In order that waste water enters hypoxia response area 1 with being more uniformly distributed, in the reaction tank side wall in hypoxia response area 1 in the present embodiment
Top is provided with into water ring weir 14, is entered the horizontal loops of water ring weir 14 and is located on the inwall of reaction tank 4.Entering water ring weir 14 includes being horizontally disposed with
Ring weir bottom plate 141 and the ring weir side plate 142 that is vertically arranged, a side of ring weir bottom plate 141 is welded on the inwall of reaction tank 4
On, another side of 141 relatively foregoing side of ring weir bottom plate is welded with ring weir side plate 142, such ring weir side plate straight up
142nd, ring weir bottom plate 141 and the inwall of reaction tank 4 enclose the intake chamber 15 for foring a upper opening.Waste water inlet 11 is opened on
Intake chamber 15, the waste water entered from waste water inlet 11 enters intake chamber 15 and cloth is opened, can be from ring when waste water is covered with intake chamber 15
Weir side plate 142 overflows into hypoxia response pond 1.The setting for entering water ring weir 14 enables the point of waste water never together anti-into anoxic
Answer in area 1, waste water can be made uniformly, fully to be contacted with the denitrifying bacteria on biologic packing material 131, be advantageous to follow-up anti-nitre
Change reaction.In the present embodiment, the upper edge of ring weir side plate 142 is also evenly arranged with multiple vees 143, so due to breach
143 height is less than the height on edge on ring weir side plate 142, and the waste water in intake chamber 15 first can overflow at breach 143, due to opening
The height keep level of the lowermost end of breach 143 can be made during breach 143 as far as possible, thus this be advantageous to waste water be more uniformly distributed from each
Breach 143 overflows into hypoxia response area 1.Efficiently discharge in order that water purification is more uniformly distributed, set in the top of aerobic reactor zone 2
Water ring weir 25 is put, has gone out the horizontal loops of water ring weir 25 and be located on the inwall of reaction tank 4.Go out the structure on water ring weir 25 and enter water ring weir 14
Structure it is the same, it includes horizontally disposed ring weir bottom plate 251 and the ring weir side plate 252 that is vertically arranged, the one of ring weir bottom plate 251
Side is welded on the inwall of reaction tank 4, and another side of 251 relatively foregoing side of ring weir bottom plate is welded with ring weir straight up
Side plate 252, such ring weir side plate 252, ring weir bottom plate 251 and the inwall of reaction tank 4 enclose the water outlet for foring a upper opening
Groove 26.Waste water in aerobic reactor zone 2 can cross ring weir side plate when can reach the height on water ring weir 25 in water treatment procedure
252 enter effluent trough 26, and then waste water collects flows out from pure water inlet 21.So setting can go out on edge from aerobic reactor zone 2
Each point on water ring weir 25 collects water purification.So that water purification is discharged with being more uniformly distributed.Going out the upper of the ring weir side plate 252 on water ring weir 25
Along multiple vees are uniformly arranged, the effect of breach is water purification is entered effluent trough 25 with being more uniformly distributed and then is collected from net
Water out 21 flows out.
In the present embodiment, the bottom even of hypoxia response area 1 is provided with two diving mixers 16, and waste water is in diving mixer
Anti-nitration reaction can be fully carried out in the presence of 16, when the power configuration of diving mixer 16 is at least 20W per ton, effect
More preferably.
In the present embodiment, hypoxia response area 1 is also provided with mixed liquor import 12, and aerobic reactor zone 2 is also provided with mixed liquor
Outlet 22, by reflux pump between mixed liquor import 12 and mixture export 22（Not shown in figure）Connection.Such setting can
Denitrogenation of waste water effect is improved, when reflux ratio to be maintained to the 60% ~ 80% of inflow, effect is more notable.
In the present embodiment, the reaction tank side wall of aerobic reactor zone 2 is additionally provided with manhole 27, facilitates staff to enter reaction
Pond 4 is installed and repair apparatus.
In the present embodiment, the main body of device is the framework of carbon steel material, and frame table bread wraps up in pitch, and pitch has anticorrosion
Effect.The device of the present invention is heat-resisting to be more than 60 DEG C, is resistant to react caused heat.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.
Claims (9)
- A kind of 1. efficient combination nitrogen rejection facility, it is characterised in that：It includes a reaction tank（4）Be arranged on the reaction tank （4）Interior dividing plate（3）, the dividing plate（3）By the reaction tank（4）It is separated into hypoxia response area（1）And aerobic reactor zone（2）, The dividing plate（3）Lower section is provided with a water hole（31）, the hypoxia response area（1）It is provided with waste water inlet（11）, it is described good Oxygen reaction zone（2）It is provided with pure water inlet（21）, the aerobic reactor zone（2）Bottom is provided with aerating system（24）, it is described to lack Oxygen reaction zone（1）And aerobic reactor zone（2）Inside it is also respectively provided with filler suspension holdfast（13,23）, the filler suspension holdfast （13,23）It is hung with biologic packing material（131,231）.
- 2. efficient combination nitrogen rejection facility as claimed in claim 1, it is characterised in that：The reaction tank（4）Top is additionally provided with Ring weir（14,25）, the ring weir（14,25）Horizontal loops are located at the reaction tank（4）On inwall, the ring weir（14,25）Including Ring weir bottom plate（141,251）With with the reaction tank（4）Inwall is parallel and is spaced from the ring weir side plate of certain distance（142, 252）, ring weir bottom plate（141,251）, ring weir side plate（142,252）And reaction tank（4）Inwall is enclosed to be formed above in the of one and opened The tank of mouth（15,26）, the dividing plate（3）By the tank（15,26）It is separated into intake chamber（15）And effluent trough（26）, it is described Waste water inlet（11）It is opened on the intake chamber（15）, the pure water inlet（21）With the effluent trough（26）It is connected.
- 3. efficient combination nitrogen rejection facility as claimed in claim 2, it is characterised in that：Ring weir side plate（142,252）It is upper Edge is also evenly arranged with multiple vees（143,253）.
- 4. efficient combination nitrogen rejection facility as claimed in claim 1, it is characterised in that：The hypoxia response area（1）Bottom even At least one diving mixer is distributed with（16）.
- 5. efficient combination nitrogen rejection facility as claimed in claim 4, it is characterised in that：The diving mixer（16）Power match somebody with somebody Put water 20W at least per ton.
- 6. efficient combination nitrogen rejection facility as claimed in claim 1, it is characterised in that：The efficient combination nitrogen rejection facility main body is The framework of carbon steel material, pitch is wrapped up in the frame table bread, the heat resistant requirements of the efficient combination nitrogen rejection facility are at least 60 ℃。
- 7. efficient combination nitrogen rejection facility as claimed in claim 1, it is characterised in that：Positioned at the hypoxia response area（1）Interior The filler suspension holdfast（13）It is hung with the flat cord type filler beneficial to denitrifying bacteria biofilm formation growth（131）, positioned at described Aerobic reactor zone（2）The interior filler suspension holdfast（23）It is hung with beneficial to nitrite bacteria and nitrobacteria biofilm formation growth Cylinder cord type filler（231）.
- 8. efficient combination nitrogen rejection facility as claimed in claim 1, it is characterised in that：The hypoxia response area（1）It is additionally provided with Mixed liquor import（12）, the aerobic reactor zone（2）It is additionally provided with mixture export（22）, the mixed liquor import（12）With institute State mixture export（22）Between connected by reflux pump.
- 9. efficient combination nitrogen rejection facility as claimed in claim 1, it is characterised in that：In the aerobic reactor zone（2）Reaction Pond side wall is additionally provided with manhole（27）.
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| CN201710985881.0A CN107555601A (en) | 2017-10-20 | 2017-10-20 | A kind of efficient combination nitrogen rejection facility |
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| CN201710985881.0A CN107555601A (en) | 2017-10-20 | 2017-10-20 | A kind of efficient combination nitrogen rejection facility |
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Cited By (3)
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| CN108439583A (en) * | 2018-04-12 | 2018-08-24 | 南宁绿智环保科技有限公司 | A kind of SBR system and its working method with aerobic particle mud denitrification functions |
| CN109650544A (en) * | 2019-02-27 | 2019-04-19 | 辽宁盛基建设基础工程有限公司 | Activated sludge biological film compound sewage treatment device and processing method |
| CN109970193A (en) * | 2019-04-15 | 2019-07-05 | 浦华环保有限公司 | Enhanced type nitrogen rejection facility and equipment |
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