CN202658042U - Segmented parallel anaerobic ammonia oxidation municipal sewage treatment device - Google Patents
Segmented parallel anaerobic ammonia oxidation municipal sewage treatment device Download PDFInfo
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- CN202658042U CN202658042U CN2012200512862U CN201220051286U CN202658042U CN 202658042 U CN202658042 U CN 202658042U CN 2012200512862 U CN2012200512862 U CN 2012200512862U CN 201220051286 U CN201220051286 U CN 201220051286U CN 202658042 U CN202658042 U CN 202658042U
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Abstract
The utility model provides a segmented parallel anaerobic ammonia oxidation municipal sewage treatment device, which belongs to the technical field of biological sewage treatment, and comprises a raw water tank, an organic matter styrene butadiene rubber (SBR) removing reactor, a shortcut nitrification SBR reactor, an adjusting water tank and an autotrophic denitrification reactor, wherein the raw water tank is respectively connected with the organic matter SBR removing reactor and the shortcut nitrification SBR reactor through two peristaltic pumps, water which comes out from the organic matter SBR removing reactor and the shortcut nitrification SBR reactor is discharged into the adjusting water tank, and sewage in the adjusting water tank enters an autotrophic denitrification up-flow anaerobic sludge bed/blanket (USAB) reactor to remove nitrogen. A nitrifying system is added with domestic sewage after discharging water to do rear denitrifying, thereby being beneficial for achieving and steadily maintaining shortcut nitrification. The organic matter SBR removing reactor and the shortcut nitrification SBR reactor are connected in parallel and can flexibly adjust and control proportion of concentration of NH4+_N and NO2-N in the adjusting water tank, anaerobic ammonium oxidation technology is successfully applied in depth nitrogen treatment of the domestic sewage, and sewage treatment with high efficiency and low energy consumption is achieved.
Description
Technical field
The utility model relates to the dirty water living creature processing technique field, relates in particular to a kind of device of sectional parallel Anammox Treating Municipal Sewage.
Background technology
The body eutrophication problem of increasingly sharpening is so that the control of nitrate pollution becomes one of emphasis difficult point of water technology research with improvement.Traditional denitrification process is difficult to guarantee the clearance of low ratio of carbon to ammonium total nitrogen of urban sewage under the condition of additional carbon not, therefore, how reduce in the cost, and improving nitrogen removal rate becomes low carbon-nitrogen ratio sewage and process the subject matter that faces.
Along with the discovery of new bio Approach of Removal of Nitrogen, the Anammox technology progressively is developed and applied as one of efficient biological denitrification process.The Anammox technology need not additional carbon as electron donor, has prevented from adding the secondary pollution that carbon source produces when saving cost; Compare the oxygen supply power consumption of saving 60% with traditional technology; Reaction process consumes CO
2, do not produce N
2O has reduced the quantity discharged of greenhouse gases; Need not neutralizing agent, further save cost; System's sludge output obviously reduces, and alleviates the burden of Sludge Digestion.The at present research of Anammox sewage autotrophic denitrification technique has been successfully applied to high ammonia-nitrogen wastewater and has processed, and relatively less to the research of low ammonia nitrogen waste water autotrophic denitrification technique.If can bring into play the energy-conservation potentiality of Anammox technique to high-efficiency and this technology is applied to engineering practice, will promote the energy-saving and emission-reduction work of China.
Therefore, instantly need a urgent technical problem that solves to be exactly: how can propose a kind of effective measures, to solve problems of the prior art, by sectional parallel Anammox Treating Municipal Sewage, make Anammox technology successful Application in the advanced nitrogen of sanitary sewage is processed, have low oxygen-consumption, need not additional carbon, need not the plurality of advantages such as neutralizing agent.Add sanitary sewage and carry out denitrification after nitrated end, the substrate nitrous of NOB growth makes the easier stably maintaining shortcut of nitrification in the consumption of reactor.
The utility model content
Technical problem to be solved in the utility model provides a kind of device of sectional parallel Anammox Treating Municipal Sewage, realization should be in the advanced nitrogen of sanitary sewage be processed with the Anammox technology, make oxygen-consumption compare reduction with traditional denitrogenation mode, and need not additional carbon, need not neutralizing agent.
In order to solve the problems of the technologies described above, the utility model provides a kind of technique of sectional parallel Anammox Treating Municipal Sewage, comprising: former water tank, organic matter removal sbr reactor device, short distance nitration sbr reactor device, regulating tank and self-supported denitrification reactor; Wherein, described former water tank links to each other with organic matter removal sbr reactor device by intake pump; Former water tank links to each other with short distance nitration sbr reactor device by another intake pump simultaneously; Short distance nitration sbr reactor device outlet valve links to each other with regulating tank; Organic matter removal sbr reactor device water-freeing arrangement links to each other with regulating tank by surmounting pipe; Sewage enters autotrophic denitrification UASB reactor in the final regulating tank.
Further, described organic matter removal sbr reactor device is built-in with whipping appts, aeration head, gas meter, aeration pump, rising pipe and flowing water Valve.
Further, described short distance nitration sbr reactor device is built-in with whipping appts, aeration head, gas meter, aeration pump, rising pipe and flowing water Valve.
Further, described regulating tank is closed box, is provided with upflow tube and blow-down pipe.
Further, described former water tank is closed box, is provided with upflow tube and blow-down pipe
Further, described self-supported denitrification reactor is provided with triphase separator, vapor pipe, overflow weir and rising pipe.
To sum up, the device of a kind of sectional parallel Anammox Treating Municipal Sewage that the utility model provides should in the advanced nitrogen of sanitary sewage be processed, make the Anammox technology oxygen-consumption compare with traditional denitrogenation mode and reduce by 60%, and need not additional carbon, need not neutralizing agent.
Ammonia oxidation bacteria and anaerobic ammonia oxidizing bacteria are divided in two independently in the system, be beneficial to the efficient operation of each system, mud is separated by sludge age, guarantee the stability of each system's operation, aerobic bacteria and anerobe separated avoided the restraining effect of oxygen to anaerobic ammonia oxidizing bacteria, and then guarantee the high efficiency of anerobe.
Add sanitary sewage after the nitrification draining and carry out rear-mounted denitrification, eliminated the substrate of NOB growth, be conducive to the realization of short distance nitration, the short distance nitration system need not on-Line Monitor Device and feedback assembly, and structure of reactor is simple.
Regulate and control flexibly NH in the regulating tank by organic matter removal sbr reactor device
4 +-N, NO
2 -The concentration ratio of-N makes this system controllability and measurability stronger, easily guarantees the steady running of autotrophy Anammox UASB reactor.
Adopt UASB bioreactor culture anaerobic ammonia oxidizing bacteria to be easy to form granule sludge, the system of assurance has stronger biology and holds the ability of staying, and improves system's shock resistance.
Description of drawings
Fig. 1 is the structural representation of the utility model sectional parallel Anammox Treating Municipal Sewage device.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.Structure iron as shown in Figure 1,1 is the sanitary sewage raw water box; 2 is organic matter removal sbr reactor device; 3 is short distance nitration sbr reactor device; 4 is regulating tank; 5 is autotrophic denitrification UASB reactor; Wherein 1.1 is sanitary sewage raw water box upflow tube, and 1.2 is blow-down pipe (regulating tank is identical with former water tank structure); 3.1 be intake pump, 3.2 is agitator, 3.3 is stirring rake, and 3.4 is aeration head, and 3.5 is gas meter, and 3.6 is air pump, and 3.7 is the spoil disposal blow-down pipe, and 3.8 is water discharge valve (short distance nitration sbr reactor device is identical with organic matter removal sbr reactor device structure); 5.1 be the self-supported denitrification reactor intake pump, 5.2 is thief hole, 5.3 is triphase separator, and 5.4 is overflow weir, and 5.5 is vapor pipe, and 5.6 is rising pipe.The device of sectional parallel Anammox Treating Municipal Sewage comprises former water tank, organic matter removal sbr reactor device, short distance nitration sbr reactor device, regulating tank and self-supported denitrification reactor.Wherein all be equipped with whipping appts, aeration head, rising pipe (setting out penstock) in organic matter removal sbr reactor device and the short distance nitration sbr reactor device; Former water tank and regulating tank are closed box, are provided with upflow tube, blow-down pipe; Autotrophic denitrification UASB reactor is provided with triphase separator, vapor pipe, overflow weir and rising pipe.
Wherein, described former water tank links to each other with organic matter removal sbr reactor device by intake pump; Former water tank links to each other with short distance nitration sbr reactor device by another intake pump simultaneously; Short distance nitration sbr reactor device outlet valve links to each other with regulating tank; Organic matter removal sbr reactor device water-freeing arrangement is by surmounting pipe and link to each other with regulating tank and being furnished with the peristaltic pump adjust flux; Sewage enters autotrophic denitrification UASB reactor in the final regulating tank.
The treatment scheme of municipal effluent in this technique is: sewage is divided into two portions part and enters organic matter removal sbr reactor device realization organic matter removal; Another part enters short distance nitration sbr reactor device and realizes short distance nitration, then by denitrification nitrous residual in the reactor is removed; The water inlet of autotrophic denitrification UASB reactor is from the short distance nitration system and remove the mixture of organic reactor water outlet, NH in this combined sewage
4 +-N, NO
2 -The concentration ratio of-N is 1:1～1: 1.3, by the Anammox effect with the NH in the water
4 +-N, NO
2 --N is converted into N
2
Sewage water treatment method specifically may further comprise the steps:
The municipal effluent plant excess sludge is added to organic matter removal sbr reactor device, make sludge concentration MLSS=2500-5000mg/L in the reactor; Constant 50～the 300L/h of per cycle aeration rate, aeration agitation 30～60min, sedimentation and drawing, the draining ratio is 20～60%, when organic matter removal sbr reactor device is processed water COD＜80mg/L, during and nitrated rate＜5%, finishes the startup of SBR organic matter removal reactor; Water outlet enters regulating tank;
Short distance nitration mud or municipal effluent plant excess sludge are added to short distance nitration sbr reactor device, sludge concentration is MLSS=2500-5000mg/L in the control reactor, per cycle aeration agitation, dissolved oxygen is 0.5～2mg/L in the control reactor, aeration 1.5h～3h, sedimentation and drawing, the draining ratio is 20～60%, add sanitary sewage after the draining, by remaining NO in the denitrification consumption of reactor
2 -N is when short distance nitration sbr reactor device is processed water NH
4 +-N＜2mg/L, NO
2 --N accumulative total rate〉75%, finish the startup of short distance nitration sbr reactor device; Water outlet enters regulating tank;
Anaerobic ammonium oxidation granular sludge or floc sludge are dropped into the UASB reactor, the NH in will intaking by the Anammox effect
4 +-N and NO
2 --N is converted into N
2The discharge system is as UASB reactor for treatment water NH
4 +-N concentration＜1mg/L, or NO
2 --N concentration＜1mg/L finishes the Start-up and Adjustment of UASB reactor.
After three sections reactors start respectively successfully, system's commencement of commercial operation, 60%～80% former water enters short distance nitration sbr reactor device, realize the short distance nitration of sewage, after processing water enters regulating tank, in short distance nitration sbr reactor device, add sanitary sewage, by denitrification nitrous residual in the reactor is removed, meanwhile 20%～40% former water enters organic matter removal sbr reactor device and realizes organic matter removal, process water and enter regulating tank, by the draining of control organic matter removal sbr reactor device when reaction time number, regulating the Anammox water tank inlet is NH in the regulating tank
4 +-N, NO
2 -The concentration of-N is held between 1:1～1:1.3 the two scale dimension, and final sewage enters the UASB reactor and realizes Anammox, removes total nitrogen in the sewage.
Concrete test water is taken from Beijing University of Technology's dependents' district sanitary sewage, and its water quality is as follows: COD190mg/L～289mg/L; NH
4 +-N 50mg/L～89mg/L; NO
2 --N＜1mg/L; NO
3 --N 0.12mg/L～1.0mg/L; P 4mg/L～7mg/L.Pilot system as shown in Figure 1, autotrophic denitrification UASB reactor adopts synthetic glass to make, the reaction zone internal diameter is 7cm, useful volume is 3L; Organic matter removal sbr reactor device useful volume is 10L, and short distance nitration sbr reactor device useful volume is 12L.
Concrete operation is as follows:
System starts:
1) the municipal effluent plant excess sludge is added to organic matter removal sbr reactor device, make sludge concentration MLSS=3500-5000mg/L in the reactor; Per cycle anaerobism stirs 20min, aeration agitation 20min subsequently, and the constant 300L/h of aeration rate, sedimentation and drawing, the draining ratio is 40%.Move 8 cycles every day, and by the sludge concentration spoil disposal.After taming for 3 weeks, organic matter removal sbr reactor device is processed water and is reached COD＜90mg/L, and nitrated rate＜3%, and water outlet P＜1mg/L finishes the startup of SBR organic matter removal reactor; Water outlet is entered regulating tank.
2) short distance nitration mud is added to short distance nitration sbr reactor device, sludge concentration is MLSS=3500-4500mg/L in the control reactor, per cycle aeration agitation, dissolved oxygen is 2.0mg/L in the control reactor, aeration 1.5h～3h, sedimentation and drawing, the draining ratio is 40%, and system SRT is 18d.Add sanitary sewage after the draining, carry out anaerobism and stir denitrification, remaining NO in the consumption of reactor
2 --N.Through 30 days domestication, short distance nitration sbr reactor device was processed water NH
4 +-N＜2mg/L, NO
2 --N accumulative total rate〉75%, finish the startup of short distance nitration sbr reactor device; Water outlet enters regulating tank.
3) anaerobic ammonium oxidation granular sludge and floc sludge are dropped into the UASB reactor, the NH in will intaking by the Anammox effect
4 +-N and NO
2 --N is converted into N
2The discharge system.As UASB reactor for treatment water NH
4 +-N concentration＜1mg/L, or NO
2 --N concentration＜1mg/L finishes the Start-up and Adjustment of UASB reactor.
After three sections reactors start respectively successfully, system's commencement of commercial operation, 60%～80% former water enters short distance nitration sbr reactor device, realize the short distance nitration of sewage, after processing water enters regulating tank, in short distance nitration sbr reactor device, add sanitary sewage, by denitrification nitrous residual in the reactor is removed, meanwhile 20%～40% former water enters organic matter removal sbr reactor device and realizes organic matter removal, process water and enter regulating tank, by the draining of control organic matter removal sbr reactor device when reaction time number, regulating the Anammox water tank inlet is NH in the regulating tank
4 +-N, NO
2 -The concentration of-N is held between 1:1～1:1.3 the two scale dimension, and final sewage enters the UASB reactor and realizes Anammox, removes total nitrogen in the sewage.
Test-results shows: after stable, the maximum nitrogen of autotrophic denitrification UASB reactor is removed speed and is about 1.0kgN/m
3D, processing water COD is 35-50mg/L, NH
4 +-N＜3mg/L, NO
2 --N＜1mg/L.
The device of the utility model sectional parallel Anammox Treating Municipal Sewage can be widely used in municipal effluent and other low ammonia nitrogen organic industrial sewages are processed.
More than the device of sectional parallel Anammox Treating Municipal Sewage provided by the utility model is described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (6)
1. the device of sectional parallel Anammox Treating Municipal Sewage is characterized in that, comprising: former water tank, organic matter removal sbr reactor device, short distance nitration sbr reactor device, regulating tank and self-supported denitrification reactor; Wherein, described former water tank links to each other with organic matter removal sbr reactor device by intake pump; Former water tank links to each other with short distance nitration sbr reactor device by another intake pump simultaneously; Short distance nitration sbr reactor device outlet valve links to each other with regulating tank; Organic matter removal sbr reactor device water-freeing arrangement links to each other with regulating tank by surmounting pipe; Sewage enters autotrophic denitrification UASB reactor in the final regulating tank.
2. the device of sectional parallel Anammox Treating Municipal Sewage according to claim 1 is characterized in that, described organic matter removal sbr reactor device is built-in with whipping appts, aeration head, gas meter, aeration pump, rising pipe and flowing water Valve.
3. the device of sectional parallel Anammox Treating Municipal Sewage according to claim 1 is characterized in that, described short distance nitration sbr reactor device is built-in with whipping appts, aeration head, gas meter, aeration pump, rising pipe and flowing water Valve.
4. the device of sectional parallel Anammox Treating Municipal Sewage according to claim 1 is characterized in that, described regulating tank is closed box, is provided with upflow tube and blow-down pipe.
5. the device of sectional parallel Anammox Treating Municipal Sewage according to claim 1 is characterized in that, described former water tank is closed box, is provided with upflow tube and blow-down pipe.
6. the device of sectional parallel Anammox Treating Municipal Sewage according to claim 1 is characterized in that, described self-supported denitrification reactor is provided with triphase separator, vapor pipe, overflow weir and rising pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200512862U CN202658042U (en) | 2012-02-16 | 2012-02-16 | Segmented parallel anaerobic ammonia oxidation municipal sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200512862U CN202658042U (en) | 2012-02-16 | 2012-02-16 | Segmented parallel anaerobic ammonia oxidation municipal sewage treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922469A (en) * | 2014-04-08 | 2014-07-16 | 北京工业大学 | Device and method for collecting N2O generated in semi-shortcut nitrification/anaerobic ammonia oxidation wastewater denitrification process |
| CN106830310A (en) * | 2017-02-21 | 2017-06-13 | 浙江艾摩柯斯环境科技有限公司 | Formula of having holidays by turns Anammox nitrogen rejection facility and its technique |
-
2012
- 2012-02-16 CN CN2012200512862U patent/CN202658042U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922469A (en) * | 2014-04-08 | 2014-07-16 | 北京工业大学 | Device and method for collecting N2O generated in semi-shortcut nitrification/anaerobic ammonia oxidation wastewater denitrification process |
| CN103922469B (en) * | 2014-04-08 | 2016-01-13 | 北京工业大学 | N in a kind of half short distance nitration/Anammox sewage water denitrification process 2the collection device that O produces and method |
| CN106830310A (en) * | 2017-02-21 | 2017-06-13 | 浙江艾摩柯斯环境科技有限公司 | Formula of having holidays by turns Anammox nitrogen rejection facility and its technique |
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Granted publication date: 20130109 |
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| CX01 | Expiry of patent term |