CN107867783A - A kind of efficient denitrification water treatment technology - Google Patents

A kind of efficient denitrification water treatment technology Download PDF

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Publication number
CN107867783A
CN107867783A CN201711296844.5A CN201711296844A CN107867783A CN 107867783 A CN107867783 A CN 107867783A CN 201711296844 A CN201711296844 A CN 201711296844A CN 107867783 A CN107867783 A CN 107867783A
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CN
China
Prior art keywords
pond
processing pond
water
pipe
aeration zone
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Pending
Application number
CN201711296844.5A
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Chinese (zh)
Inventor
曹祺
劳红标
宋华龙
奚晓东
潘绮
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SHAOXING WATER TREATMENT DEVELOPMENT Co Ltd
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SHAOXING WATER TREATMENT DEVELOPMENT Co Ltd
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Application filed by SHAOXING WATER TREATMENT DEVELOPMENT Co Ltd filed Critical SHAOXING WATER TREATMENT DEVELOPMENT Co Ltd
Priority to CN201711296844.5A priority Critical patent/CN107867783A/en
Publication of CN107867783A publication Critical patent/CN107867783A/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
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/58Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/586Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
    • 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
    • C02F3/302Nitrification and denitrification treatment
    • C02F3/305Nitrification and denitrification treatment characterised by the denitrification
    • 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/22O2
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/06Nutrients for stimulating the growth of microorganisms

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  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

The application is related to a kind of efficient denitrification water treatment technology, belongs to the biologic treating technique field of water, waste water or sewage.Including processing pond, air hose, chemical feed pipe one, water inlet pipe and outlet pipe, described processing pond is staggeredly equipped with stirring area and aeration zone, and stirring area dissolved oxygen amount is in below 0.5mg/L, and aeration zone dissolved oxygen amount is in 2 4mg/L, water inlet pipe is arranged at processing pond end, for feeding accessing pending water;Chemical feed pipe one is located at processing pond side, and denitrification nutrition medicament is augmented for aeration zone;Air hose is arranged at processing pond tail end, and provides aeration source for the aeration zone of processing pond;Accessing pending water adds sodium acetate and through impeller driven, successively after the accessing pending water by the stirring area stirring, the processing of aeration zone denitrification that are staggered, processing pond is discharged through outlet pipe after water inlet pipe enters.The application is applied to sewage disposal, has the advantages that nitric efficiency is high, the cycle is short.

Description

A kind of efficient denitrification water treatment technology
Technical field
The application is related to a kind of efficient denitrification water treatment technology, belongs to the biologic treating technique field of water, waste water or sewage.
Background technology
Sewage disposal is to come out separated from contaminants contained in sewage with various methods or be translated into harmless object, from And the process for being purified sewage.Wherein, the removal of nitrogen is mainly using the method for chemistry or biology in sewage, first by dirt Nitrogen transition in water is nitrate nitrogen, then is translated into nitrogen by anoxic denitrification and discharges, in addition, also part nitrogen Discharged with excess sludge, and enter sludge treating system.In order to carry out denitrogenation to sewage to greatest extent, extension is generally required Dwell time of sewage, it is big so to result in floor space.Therefore, existing frequently-used is directly to be added into treatment tank necessarily The denitrogenation special carrier of amount, then be equipped with and aerator is installed in treatment tank bottom, acted on by aeration, make the special load of denitrogenation Body is in fluidized state.But conventional processing pond can only carry out one of reaction, and denitrogenation is realized by means of repeatedly interior backflow Work, denitrification effect is unsatisfactory, and the cycle is grown, and efficiency is low.
Based on this, the application is made.
The content of the invention
For the drawbacks described above in the presence of existing sewage disposal, the application provide a kind of nitric efficiency it is fast, without backflow, The short efficient denitrification water treatment technology of process cycle.
To achieve the above object, the technical scheme that the application takes is as follows:
A kind of efficient denitrification water treatment technology, including processing pond, air hose, chemical feed pipe one, water inlet pipe and outlet pipe, described place Reason pond is staggeredly equipped with stirring area and aeration zone, and stirring area dissolved oxygen amount is in below 0.5mg/L(It is preferred that below 0.3mg/L), aeration Area's dissolved oxygen amount is in 2-4mg/L, and water inlet pipe is arranged at processing pond end, for feeding accessing pending water;Chemical feed pipe one is located at processing pond Side, denitrification nutrition medicament is augmented for aeration zone;Air hose is arranged at processing pond tail end, and is provided for the aeration zone of processing pond Aeration source;Accessing pending water adds sodium acetate and through impeller driven, the successively stirring by being staggered after water inlet pipe enters After the accessing pending water that area's stirring, aeration zone denitrification are handled, processing pond is discharged through outlet pipe.
Further, as preferred:
Described processing pond is divided into two parallel regions, and in two regions, sets pond one and pond two, Chi Sanyu respectively Chi Si, Chi Yi, Chi Si set agitating device and form stirring area respectively, and pond two, pond three set aerator and form exposure respectively Gas area, it is furthermore preferred that described pond one sets troll plate respectively with the intersection of pond two, pond three and the intersection of pond four.Troll plate is Stirring area and the intersection of aeration zone, after accessing pending water enters processing pond, denitrification nutrient solution/denitrification with chemical feed pipe addition Medicament first passes through stirring area, and in the presence of agitating device, medicament is well mixed and spread apart rapidly with accessing pending water, pending Water be able to it is abundant, quickly and pharmacy effect, therefore, processing pond stirring area and the above-mentioned setting of aeration zone and troll plate, no Only enhancing the return effect of processing water, it is ensured that accessing pending water is return rapid, makes it possible to quickly enter aeration zone from stirring area, While strengthening water turbulence, improving water flow fluctuation, enhancing nitric efficiency, the denitrogenation cycle can also be shortened.
Described air hose includes several air branch pipes, and respectively different aeration zones provides aeration.
The described side of chemical feed pipe one is also arranged with flush pipe in parallel, and the flushing pipe end sets several additions first, Add it is first be located at stirring area in, for providing irrigation respectively for the different parts of stirring area.
The described end of chemical feed pipe one sets several to add first two, and addition first two is located at aeration zone, for for aeration zone Different parts provide denitrification medicament.
Described processing pond periphery sets skirtboard, and processing pond, with selecting bacterium pond walkway board to connect, is handled by the skirtboard with facilitating The cooperation in pond and other ponds.
Described water inlet pipe is provided with two groups, one group positioned at processing pond with holding, and with selecting bacterium pond connect, this group of water inlet pipe and The quantity of stirring area is consistent, for bacterium water will to be selected to be linked into the processing pond;Another group of other end for being located at processing pond, with dirt Water lift pump room connects, to feed sanitary sewage etc..
Some groups of propellers are provided with described processing pond, to promote accessing pending water to be run according to direction initialization.
Described water outlet pipe part is provided with chemical feed pipe two, and the one end of chemical feed pipe two between dosing with connecting, the other end and processing pond Outlet area is connected, and the medicament between dosing is added into the region, and carrying out last one of medicament to water outlet reacts.
Accessing pending water enters processing pond through water inlet pipe, wherein, one end with selecting bacterium pond plate to connect sets one group of water inlet pipe, and this enters Water pipe will select bacterium pond to be connected with processing pond, the water after selecting bacterium pond to handle is incorporated into the processing pond, addition sodium acetate is as at Medicament is managed, is promoted through first group of propeller, into stirring area, and in the presence of the agitating device of stirring area, medicament is rapidly with treating Water mixing, reaction are handled, in the presence of agitated area's terminal convolutions plate and second group of aeration zone propeller, into aeration zone, Air hose is air-supplied through the air branch pipe corresponding to the aeration zone and after completing aeration, confesses sedimentation basin through outlet pipe and completes Next process.
Wherein, chemical feed pipe one and chemical feed pipe two carry out medicament supplement to differential responses region respectively, and the end of chemical feed pipe one is set Multiple additions first two are put, the diverse location of aeration zone can be augmented respectively, the medicament need of different parts can be met in time Ask, it is ensured that the abundant reaction of medicament and accessing pending water, can uniformly add again, avoid the part caused by medicament is concentrated Treatment effect it is uneven, therefore, accessing pending water only needs to walk a stirring area+aeration zone in processing pond, you can completes de- Nitrogen processing, the denitrogenation cycle is short, and reaction efficiency is high.
Brief description of the drawings
Fig. 1 is the structural representation of the application.
Label in figure:1. air hose;11. air branch pipe one;12. air branch pipe two;2. flush pipe;21. add head One;3. chemical feed pipe one;31. addition first two;4. water inlet pipe one;5. water inlet pipe two;6. outlet pipe;61. chemical feed pipe two;7. Water inlet pipe three;8. blow-down pipe;81. blow-down pipe one;82. blow-down pipe two;9. processing pond;91. pond one;911. stirring area; 92. pond two;93. pond three;931. aeration zone;94. pond four;95. propeller one;96. propeller two;97. troll plate one; 98. troll plate two;99. skirtboard.
Embodiment
Embodiment 1
A kind of efficient denitrification water treatment technology of the present embodiment, with reference to Fig. 1, including processing pond 9, air hose 1, chemical feed pipe 1, water inlet Pipe and outlet pipe 6, processing pond 9 are staggeredly equipped with stirring area and aeration zone, and water inlet pipe is arranged at the end of processing pond 9, for feeding Accessing pending water;Chemical feed pipe 1 is located at the side of processing pond 9, and denitrification nutrition medicament is augmented for aeration zone;Air hose 1 is arranged at place The tail end of pond 9 is managed, and the aeration zone for processing pond 9 provides aeration source;Accessing pending water is after water inlet pipe enters, through impeller driven, Successively after the accessing pending water that the stirring area, the aeration zone that are staggered are handled, processing pond is discharged through outlet pipe 6.
Accessing pending water enters processing pond 9 through water inlet pipe, and control aeration zone dissolved oxygen amount is near 2-4mg/L, stirring area dissolved oxygen Amount is in below 0.5mg/L(Preferably 0.3 below mg/L), one end with selecting bacterium pond plate to connect sets one group of water inlet pipe, the water inlet pipe Bacterium pond will be selected to be connected with processing pond, the water after selecting bacterium pond to handle will be incorporated into the processing pond, addition sodium acetate is as processing medicine Agent, promoted through first group of propeller, into stirring area, and in the presence of the agitating device of stirring area, medicament rapidly with it is pending Water mixing, react, in the presence of agitated area's terminal convolutions plate and second group of aeration zone propeller, into aeration zone, air Pipe 1 is air-supplied through the air branch pipe corresponding to the aeration zone and after completing aeration, is confessed through outlet pipe 6 under sedimentation basin completes One procedure.
To realize more using effects, such scheme can also be set up as follows:
Processing pond 9 is divided into two parallel regions, and in two regions, sets pond 1 and pond 2 92, pond 3 93 respectively With pond 4 94, pond 1, Chi Si 94 set agitating device and form stirring area 911 respectively, and pond 2 92, pond 3 93 set exposure respectively Device of air simultaneously forms aeration zone 931, it is furthermore preferred that the both ends that pond 1 has a common boundary with pond 2 92 set troll plate 1, returned respectively Rotating plate 2 98, pond 3 93 is same with the both ends that pond 4 94 has a common boundary to set troll plate one, troll plate two respectively.Troll plate is stirring area With the intersection of aeration zone, after accessing pending water enters processing pond 9, denitrification nutrient solution/denitrification medicament with the addition of chemical feed pipe 3 Stirring area 911 is first passed through, in the presence of agitating device, medicament is well mixed and spread apart rapidly with accessing pending water, pending Water be able to it is abundant, quickly and pharmacy effect, therefore, stirring area 911 and aeration zone 931 and troll plate 1 in processing pond 9, The above-mentioned setting of troll plate 2 98, not only enhance the return effect of processing water, it is ensured that accessing pending water is return rapid, makes it possible to Quickly enter adjacent aeration zone from stirring area 911, in enhancing water turbulence, improve water flow fluctuation, enhancing denitrogenation effect While rate, the denitrogenation cycle can also be shortened.
To realize more using effects, such scheme can also be set up as follows:
Air hose 1 includes air branch pipe 1 and air branch pipe 2 12, and respectively different aeration zones provides aeration.
To realize more using effects, such scheme can also be set up as follows:
The end of chemical feed pipe 1 sets several to add first 2 31, and addition first 2 31 is located at aeration zone, for the difference for aeration zone Position provides denitrification medicament;Flush pipe 2 is also arranged with parallel in the side of chemical feed pipe 1, and the end of flush pipe 2 sets some Individual addition first 21, addition first 21 is located in stirring area, for providing irrigation respectively for the different parts of stirring area.
To realize more using effects, such scheme can also be set up as follows:
The periphery of processing pond 9 set skirtboard 99, processing pond 9 by the skirtboard 99 with selecting bacterium pond walkway board to connect, with facilitate processing pond 9 and The cooperation in other ponds.
To realize more using effects, such scheme can also be set up as follows:
Water inlet pipe is provided with two groups, and one group is located at processing pond 9 with holding, as set two regions, each one stirring in region in Fig. 1 Area/aeration zone, then corresponding this group of water inlet pipe set two, i.e. water inlet pipe 1 and water inlet pipe 25 in Fig. 1, water inlet pipe 1 With the one end of water inlet pipe 26 with selecting bacterium pond to connect, the other end connects with the different zones of processing pond 9, and with the quantity one of stirring area Cause, for bacterium water will to be selected to be linked into the processing pond 9;Another group of other end for being located at processing pond, such as above-mentioned reason, i.e. Fig. 1 In water inlet pipe 37, water inlet pipe 37 connects with sewage lifting pump house, to feed sanitary sewage etc..Different water inlet pipes are set respectively Diverse location is put, to meet the needs of different disposal water.
To realize more using effects, such scheme can also be set up as follows:If it is provided with processing pond 9 Dry group propeller, in Fig. 1, exposes in pond 1, pond 3 92 in the propeller 1 of stirring area arrival end and pond 2 92, Chi Si 94 The propeller 2 96 of gas area arrival end, it is respectively used to promote accessing pending water according to from water inlet pipe into stirring area, from stirring area to enter Enter aeration zone, enter the direction operation of outlet pipe from aeration zone.
To realize more using effects, such scheme can also be set up as follows:It is provided with and adds at outlet pipe 6 Pencil 2 61, the medicament between dosing is added into the region, carrying out last one of medicament to water outlet reacts.To promote its processing effect Fruit, 1-2 group propellers can also be set, one strengthens its mixed effect in this region.
In such scheme, chemical feed pipe 1 and chemical feed pipe 2 61 carry out medicament supplement, chemical feed pipe to differential responses region respectively One 3 ends set multiple additions first 2 31, the diverse location of aeration zone can respectively be augmented, can meet different portions in time The medicament demand of position, it is ensured that the abundant reaction of medicament and accessing pending water, can uniformly add, be avoided because medicament concentrates institute again Caused topical treatments it is uneven, therefore, accessing pending water only needs to walk a stirring area+aeration zone in processing pond 9, Denitrogenation processing can be completed, the denitrogenation cycle is short, and the 40-50% of reaction efficiency from original simplex aeration type device brings up to 70% left side It is right.
Above content be with reference to the invention preferred embodiment provided technical scheme is made it is further detailed Describe in detail bright, it is impossible to assert that the invention specific implementation is confined to these above-mentioned explanations, for the affiliated technology of the invention For the those of ordinary skill in field, without departing from the concept of the premise of the invention, some simple deductions can also be made Or replace, it should all be considered as belonging to the protection domain of the invention.

Claims (10)

  1. A kind of 1. efficient denitrification water treatment technology, it is characterised in that:Including processing pond, air hose, chemical feed pipe one, water inlet pipe and go out Water pipe, described processing pond are staggeredly equipped with stirring area and aeration zone, and stirring area dissolved oxygen amount is molten in below 0.5mg/L, aeration zone Oxygen amount is in 2-4mg/L, and water inlet pipe is arranged at processing pond end, for feeding accessing pending water;Chemical feed pipe one is located at processing pond side, Denitrification nutrition medicament is augmented for aeration zone;Air hose is arranged at processing pond tail end, and provides aeration for the aeration zone of processing pond Source;Accessing pending water adds sodium acetate and through impeller driven, stirred successively by the stirring area being staggered after water inlet pipe enters Mix, after the accessing pending water of aeration zone denitrification processing, processing pond is discharged through outlet pipe.
  2. A kind of 2. efficient denitrification water treatment technology as claimed in claim 1, it is characterised in that:Described processing pond is divided into flat Two capable regions, and in two regions, pond one and pond two, pond three and pond four are set respectively, and Chi Yi, Chi Si set stir respectively Mix device and form stirring area, pond two, pond three set aerator and form aeration zone respectively.
  3. A kind of 3. efficient denitrification water treatment technology as claimed in claim 2, it is characterised in that:Described pond one has a common boundary with pond two Place, pond three and the intersection of pond four set troll plate respectively.
  4. A kind of 4. efficient denitrification water treatment technology as claimed in claim 1, it is characterised in that:Described processing pond periphery is set Skirtboard, processing pond is by the skirtboard with selecting bacterium pond walkway board to connect.
  5. A kind of 5. efficient denitrification water treatment technology as claimed in claim 1, it is characterised in that:If described air hose includes Dry air branch pipe, respectively different aeration zones provides aeration.
  6. A kind of 6. efficient denitrification water treatment technology as claimed in claim 1, it is characterised in that:The described side of chemical feed pipe one is also It is arranged with flush pipe in parallel, the flushing pipe end sets several additions first, and addition is first to be located in stirring area, for stir The different parts for mixing area provide irrigation respectively.
  7. A kind of 7. efficient denitrification water treatment technology as claimed in claim 1, it is characterised in that:The described end of chemical feed pipe one is set Several additions first two are put, addition first two is located at aeration zone, for providing denitrification medicament for the different parts of aeration zone.
  8. A kind of 8. efficient denitrification water treatment technology as claimed in claim 1, it is characterised in that:Described water inlet pipe is provided with two Group, one group is located at processing pond one end, and with selecting bacterium pond to connect, this group of water inlet pipe is consistent with the quantity of stirring area;Another group is located at The other end of processing pond, connected with sewage lifting pump house.
  9. A kind of 9. efficient denitrification water treatment technology as claimed in claim 1, it is characterised in that:It is provided with described processing pond Some groups of propellers.
  10. A kind of 10. efficient denitrification water treatment technology as claimed in claim 1, it is characterised in that:Described water outlet pipe part is set There is chemical feed pipe two, with being connected between dosing, the other end connects the one end of chemical feed pipe two with processing pond outlet area.
CN201711296844.5A 2017-12-08 2017-12-08 A kind of efficient denitrification water treatment technology Pending CN107867783A (en)

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Application Number Priority Date Filing Date Title
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CN107867783A true CN107867783A (en) 2018-04-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112479373A (en) * 2020-11-11 2021-03-12 绍兴水处理发展有限公司 Oxidation ditch sewage treatment process

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103588299A (en) * 2013-10-12 2014-02-19 沈阳建筑大学 Integrated short-cut nitrification and denitrification biological nitrogen-removal reactor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103588299A (en) * 2013-10-12 2014-02-19 沈阳建筑大学 Integrated short-cut nitrification and denitrification biological nitrogen-removal reactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112479373A (en) * 2020-11-11 2021-03-12 绍兴水处理发展有限公司 Oxidation ditch sewage treatment process

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