CN106915865A - The denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water - Google Patents
The denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water Download PDFInfo
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- CN106915865A CN106915865A CN201510986778.9A CN201510986778A CN106915865A CN 106915865 A CN106915865 A CN 106915865A CN 201510986778 A CN201510986778 A CN 201510986778A CN 106915865 A CN106915865 A CN 106915865A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses the denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water, including hydrolysis acidification H ponds, A/O ponds, precipitation S ponds and air lift reflux；The hydrolysis acidification H ponds are connected with A/O ponds and precipitation S ponds successively by pipeline；The A/O ponds include A ponds and O ponds, and A ponds are adjacent with hydrolysis acidification H ponds；A ponds front end and precipitation S ponds are mounted on stripping reflux device；The denitrification equipment of the high concentration total nitrogen waste water, it is enriched with denitrogenation filler, is arranged in biochemistry pool, is combined with ABP techniques according to waste water quality and technique using high-performance bio, coordinates the reflux type of the quantitative new method of vast scale, reaches efficient denitrification；Hydrolysis acidification H ponds are provided with high-performance bio enrichment denitrogenation filler, make the organic nitrogen ammonification of difficult degradation in waste water, be decomposed into the ammonia nitrogen of bio-degradable, high-performance bio enrichment denitrogenation filler is provided with A/O ponds, simultaneous nitrification and denitrification is realized on the whole；It is practical, it is easy to promote the use of.
Description
Technical field
The present invention relates to the denitrogenation ABP techniques and equipment of Waste Water Treatment applied technical field, especially a kind of high concentration total nitrogen waste water.
Background technology
Traditional biological denitrification process is nitrification-denitrification A/O techniques, there is a problem of that removing total nitrogen concentration is low and efficiency is low, and removing total nitrogen is in the treatment of waste water emphasis and difficult point；Existing many new technologies are all the improvement of traditional biological denitrification process, such as：SBR, A/O and, and synchronous nitration and denitrification technique, short-cut nitrification and denitrification technique, MBR membrane separation processes, and new mushroom-seed culturing method such as Anammox etc., all there is a problem of that removing total nitrogen concentration is low and efficiency is low in various degree, the de- list rate of removing total nitrogen is general in 50-70%, makes natural water eutrophication serious.
The carrier of the preferable synchronous nitration and denitrification technique of effect for using both at home and abroad at present is mostly more complicated, such as tubular organism carrier, costly, and also not enough to the utilization of carbon source；Short-cut nitrification and denitrification technique, although can effectively utilize more complicated in carbon source and reaction mechanism, but operation, the state modulator of biochemical reaction situation is difficult to realize；The investment of MBR membrane separation processes and operating cost are higher；New mushroom-seed culturing method, the investment of most new mushroom-seed culturing, culture and acclimation period are more long, and the impulsive force and resistance fluctuated for water quality and quantity are poor, it is necessary to reinvest replacing after operation some cycles；The present invention is enriched with denitrogenation filler using high-performance bio, ABP techniques are combined with HAOS techniques, coordinate the reflux type of the quantitative new method of vast scale, relatively current other new technologies, the bottleneck problem of removing total nitrogens many at present is solved, the efficient denitrification of high concentration 1000mg/L above total nitrogen waste water is realized.
The content of the invention
The need for prior art is difficult to people, in order to solve above-mentioned problem, the present invention proposes the denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water, it is according to waste water quality and technique, denitrogenation filler is enriched with using high-performance bio, is arranged in biochemistry pool, combined with ABP techniques, coordinate the reflux type of the quantitative new method of vast scale, reach efficient denitrification.
To realize the technical purpose, the technical solution adopted by the present invention is：The denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water, including hydrolysis acidification H ponds, A/O ponds, precipitation S ponds and air lift reflux；The hydrolysis acidification H ponds are connected with A/O ponds and precipitation S ponds successively by pipeline；The A/O ponds include A ponds and O ponds, and A ponds are adjacent with hydrolysis acidification H ponds；A ponds front end and precipitation S ponds are mounted on stripping reflux device；The stripping reflux device includes mud guard, backflash, compressed air hose, tracheae valve, stripping tube and carries mud pipe；It is provided with the backflash and carries mud pipe, and carry mud pipe and is arranged above mud guard；The backflash bottom is provided with and stripping tube is offered on compressed air hose, and compressed air hose.
Further, it is provided with tracheae valve on the compressed air hose.
Further, the compressed air hose and mud pipe is carried at least provided with 3.
Further, O ponds dimidiation, and later half is used as sedimentation basin.
Further, it is provided with high-performance bio enrichment denitrogenation filler in the hydrolysis acidification H ponds and A/O ponds.
The denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water, it is characterised in that：Comprise the following steps：Step one, sewage disinfection treatment；Step 2, enters hydrolysis acidification H ponds, and hydrolysis acidification after pretreatment；Step 3, hydrolysis acidification H water outlets enter A ponds, carry out anaerobic denitrifying reaction；Step 4, A ponds denitrification enters back into O ponds and realizes synchronous nitration and denitrification；Step 5, O ponds mixed liquor enters precipitation S ponds, removes oil removal and precipitation activated sludge, and excess sludge air lift enters sludge concentration tank；Step 6, quantifies excess sludge to sludge concentration tank after the sludge air lift of sedimentation basin.
Wherein in described step one, sewage removes scum silica frost and bulky grain debris by pretreatment.
In described step two, hydrolysis acidification H ponds are entered after pretreatment, through hydrolysis acidification, hardly degraded organic substance is decomposed into biodegradability organic matter, itrogenous organic substance such as protein, amino acid etc. are decomposed into ammonia nitrogen.
In described step three, hydrolysis acidification H water outlets enter A ponds, mainly carry out anaerobic denitrifying reaction using the organic matter in water, the nitrate nitrogen gone in water removal.The CO2 that denitrification is produced can be used as the carbon source of O ponds nitration reaction.
In described step four, A ponds reflux ratio is 800-1200%, and A ponds are entered after converging with hydrolysis acidification pool, in A ponds denitrification, O ponds are entered back into, in O ponds, miniature aerobic zone, anoxic zone and anaerobic zone can be formed on filler, so as to realize synchronous nitration and denitrification, large amount of organic and total nitrogen is removed.
In described step five, O ponds mixed liquor enters precipitation S ponds, removes oil removal and precipitation activated sludge, and excess sludge air lift enters sludge concentration tank.
In described step six, the stripping reflux device set in A ponds front end and sedimentation basin S can quantify regulation phegma to A ponds, and excess sludge to sludge concentration tank is quantified after the sludge air lift of sedimentation basin.
Compared with prior art, the invention has the advantages that：The denitrification equipment of the high concentration total nitrogen waste water, it is enriched with denitrogenation filler, is arranged in biochemistry pool, is combined with ABP techniques according to waste water quality and technique using high-performance bio, coordinates the reflux type of the quantitative new method of vast scale, reaches efficient denitrification；Hydrolysis acidification H ponds are provided with high-performance bio enrichment denitrogenation filler, make the organic nitrogen ammonification of difficult degradation in waste water, be decomposed into the ammonia nitrogen of bio-degradable, high-performance bio enrichment denitrogenation filler is provided with A/O ponds, simultaneous nitrification and denitrification is realized on the whole；In A ponds front end and precipitation S ponds, stripping reflux device is respectively mounted.The size of reflux ratio is determined by water quality and quantity.Backflow can make full use of waste water carbon source, while preferably reducing total nitrogen, optimize outlet effect；Stripping reflux advantageously reduces out aqueous suspension compared with conventional backflow pump reflux, also saves the energy；Stripping reflux is that multiple stripper plants are arranged side by side in the technique, fully to control capacity of returns, beneficial to the optimization of water quality；A/O ponds layout optimization：Hydrolysis acidification pool connection A ponds, A ponds connection O ponds, wherein, O ponds point two halves, later half is used as sedimentation basin；The layout takes up an area few, save energy；A/O ponds return configuration：The process reflows mode：Sedimentation basin is back to A ponds, and acidification pool confluxes in A ponds with phegma A；The return configuration is, according to biochemical simultaneous nitrification and denitrification mechanism, using the backflow, to make the utilization of carbon source and the energy more abundant, and outlet effect is good, and mud amount is reduced, practical, it is easy to promote the use of.
Brief description of the drawings
Fig. 1 is the plane figure of structure of the present invention；
Fig. 2 is stripping reflux schematic device of the invention；
Fig. 3 is process chart of the invention；
In reference：1- hydrolysis acidification H ponds, 2-A/O ponds, 3- precipitation S ponds, 4- stripping refluxs device, 21-A ponds, 22-O ponds, 41- mud guards, 42- backflashes, 43- compressed air hoses, 44- tracheaes valve, 45- stripping tubes, 46- carry mud pipe.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
Figure of description 1-2 is referred to, in embodiments of the present invention, the denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water, including hydrolysis acidification H ponds 1, A/O ponds 2, precipitation S ponds 3 and air lift reflux 4；The hydrolysis acidification H ponds 1 are connected with A/O ponds 2 and precipitation S ponds 3 successively by pipeline；The A/O ponds include A ponds 21 and O ponds 22, and A ponds 21 are adjacent with hydrolysis acidification H ponds 1；The front end of A ponds 21 and precipitation S ponds 3 are mounted on stripping reflux device 4；The stripping reflux device 4 includes mud guard 41, backflash 42, compressed air hose 43, tracheae valve 44, stripping tube 45 and carries mud pipe 46；It is provided with the backflash 42 and carries mud pipe 46, and carry mud pipe 46 and is arranged above mud guard 41；The bottom of the backflash 42 is provided with and stripping tube 45 is offered on compressed air hose 43, and compressed air hose 43；Tracheae valve 44 is provided with the compressed air hose 43；The compressed air hose 43 and mud pipe 46 is carried at least provided with 3；The dimidiation of O ponds 22, and later half is used as sedimentation basin；High-performance bio enrichment denitrogenation filler is provided with the hydrolysis acidification H ponds 1 and A/O ponds 2.
The present invention, by pre-processing, removes scum silica frost and bulky grain debris using by sewage；
Enter hydrolysis acidification H ponds 1 after pretreatment, through hydrolysis acidification, hardly degraded organic substance is decomposed into biodegradability organic matter, itrogenous organic substance such as protein, amino acid etc. are decomposed into ammonia nitrogen；
The water outlet of hydrolysis acidification H ponds 1 enters A ponds 21, mainly carries out anaerobic denitrifying reaction using the organic matter in water, the nitrate nitrogen gone in water removal；What denitrification was produced can be used as the carbon source of the nitration reaction of O ponds 22；Hydrolysis acidification H ponds 1 enter A ponds 21 after converging, and in the denitrification of A ponds 21, enter back into O ponds 22, and miniature aerobic zone, anoxic zone and anaerobic zone can be formed on the filler of O ponds 22, so as to realize synchronous nitration and denitrification, remove large amount of organic and total nitrogen；The mixed liquor of O ponds 22 enters precipitation S ponds 3, removes oil removal and precipitation activated sludge, and excess sludge air lift enters sludge concentration tank；The stripping reflux device 4 set in the front end of A ponds 21 with precipitation S ponds 3, regulation phegma to A ponds 21 can be quantified, excess sludge to sludge concentration tank is quantified after the sludge air lift in precipitation S ponds 3, so as to make full use of carbon source and the energy, it is the 1/3 of the operating cost of traditional handicraft, operating cost is reduced, the total nitrogen purifying rate and high concentration total nitrogen and the impact resistance of organic loading of system is improve.
The above; only presently preferred embodiments of the present invention; it is not intended to limit the invention, every any trickle amendment, equivalent and improvement made to above example according to technical spirit of the invention should be included within the protection domain of technical solution of the present invention.
Claims (6)
1. the denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water, including hydrolysis acidification H ponds, A/O ponds, precipitation S ponds and air lift reflux；It is characterized in that：The hydrolysis acidification H ponds are connected with A/O ponds and precipitation S ponds successively by pipeline；The A/O ponds include A ponds and O ponds, and A ponds are adjacent with hydrolysis acidification H ponds；A ponds front end and precipitation S ponds are mounted on stripping reflux device；The stripping reflux device includes mud guard, backflash, compressed air hose, tracheae valve, stripping tube and carries mud pipe；It is provided with the backflash and carries mud pipe, and carry mud pipe and is arranged above mud guard；The backflash bottom is provided with and stripping tube is offered on compressed air hose, and compressed air hose.
2. the denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water, it is characterised in that：Comprise the following steps：Step one, sewage disinfection treatment；Step 2, enters hydrolysis acidification H ponds, and hydrolysis acidification after pretreatment；Step 3, hydrolysis acidification H water outlets enter A ponds, carry out anaerobic denitrifying reaction；Step 4, A ponds denitrification enters back into O ponds and realizes synchronous nitration and denitrification；Step 5, O ponds mixed liquor enters precipitation S ponds, removes oil removal and precipitation activated sludge, and excess sludge air lift enters sludge concentration tank；Step 6, quantifies excess sludge to sludge concentration tank after the sludge air lift of sedimentation basin；
Wherein in described step one, sewage removes scum silica frost and bulky grain debris by pretreatment；
In described step two, hydrolysis acidification H ponds are entered after pretreatment, through hydrolysis acidification, hardly degraded organic substance is decomposed into biodegradability organic matter, itrogenous organic substance such as protein, amino acid etc. are decomposed into ammonia nitrogen；
In described step three, hydrolysis acidification H water outlets enter A ponds, mainly carry out anaerobic denitrifying reaction using the organic matter in water, the nitrate nitrogen gone in water removal；What denitrification was produced can be used as the carbon source of O ponds nitration reaction；
In described step four, A ponds reflux ratio is 800-1200%, and A ponds are entered after converging with hydrolysis acidification pool, in A ponds denitrification, O ponds are entered back into, in O ponds, miniature aerobic zone, anoxic zone and anaerobic zone can be formed on filler, so as to realize synchronous nitration and denitrification, large amount of organic and total nitrogen is removed；
In described step five, O ponds mixed liquor enters precipitation S ponds, removes oil removal and precipitation activated sludge, and excess sludge air lift enters sludge concentration tank；
In described step six, the stripping reflux device set in A ponds front end and sedimentation basin S can quantify regulation phegma to A ponds, and excess sludge to sludge concentration tank is quantified after the sludge air lift of sedimentation basin.
3. the denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water according to claim 1, it is characterized in that：Tracheae valve is provided with the compressed air hose.
4. the denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water according to claim 1, it is characterized in that：The compressed air hose and mud pipe is carried at least provided with 3.
5. the denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water according to claim 1, it is characterized in that：O ponds dimidiation, and later half is used as sedimentation basin.
6. the denitrogenation ABP techniques and equipment of a kind of high concentration total nitrogen waste water according to claim 1, it is characterized in that：High-performance bio enrichment denitrogenation filler is provided with the hydrolysis acidification H ponds and A/O ponds.
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| CN201510986778.9A CN106915865B (en) | 2015-12-26 | 2015-12-26 | High-concentration total nitrogen wastewater denitrification ABP process and equipment |
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| CN201510986778.9A CN106915865B (en) | 2015-12-26 | 2015-12-26 | High-concentration total nitrogen wastewater denitrification ABP process and equipment |
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| CN106915865B CN106915865B (en) | 2021-02-26 |
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Cited By (2)
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| CN110627314A (en) * | 2019-08-29 | 2019-12-31 | 浙江嘉名染整有限公司 | Method for efficiently removing total nitrogen in printing and dyeing wastewater by multi-process combination |
| CN110818087A (en) * | 2019-12-17 | 2020-02-21 | 新疆圣雄氯碱有限公司 | Advanced treatment and recycling device for stripping wastewater and using method thereof |
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| CN106915865B (en) | 2021-02-26 |
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