CN105174445A - Down-flow anaerobic ammonia oxidation bioreactor with mixed packing layers - Google Patents
Down-flow anaerobic ammonia oxidation bioreactor with mixed packing layers Download PDFInfo
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- CN105174445A CN105174445A CN201510616505.5A CN201510616505A CN105174445A CN 105174445 A CN105174445 A CN 105174445A CN 201510616505 A CN201510616505 A CN 201510616505A CN 105174445 A CN105174445 A CN 105174445A
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- anaerobic ammonia
- ammonia oxidation
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Abstract
A down-flow anaerobic ammonia oxidation bioreactor with mixed packing layers comprises a reactor body, and an inner cavity of the reactor body is sequentially divided into a gas collecting chamber, a water distributing region, a mixed packing layer reaction chamber and a sludge discharging region from top to bottom. An exhaust pipe is arranged at the top of the gas collecting chamber; the water distributing region is communicated with an external water source through a water inlet pipe, and a water outlet of the water inlet pipe faces upwards and distributes water upwards; the mixed packing layer reaction chamber and the sludge discharging region are partitioned through a porous partition plate, and the mixed packing layer reaction chamber is filled with the multiple mixed packing layers; the side wall of the sludge discharging region is externally connected with a water outlet pipe, a water inlet of the water outlet pipe is located above a sludge discharging pipe at the bottom of the reactor body, and a water outlet in the tail end of the water outlet pipe is communicated with a water storage chamber with a water storage chamber water outlet hole. The down-flow anaerobic ammonia oxidation bioreactor has the advantages that by means of packing performance complementation, suspended pollutants are effectively intercepted, biological retention in the reactor is improved, and sludge is prevented from running off; the water is distributed evenly, the water outlet pipe gets water from the bottom of a body, water is output at a high place through overflowing, and therefore the sludge and the water are separated; mass transferring and mixing performance is excellent, and the down-flow anaerobic ammonia oxidation bioreactor has the advantages of a fluidized bed and a packed bed.
Description
Technical field
The present invention relates to one and fall streaming mixed filler layer anaerobic ammonia oxidation bioreactor.
Background technology
As a kind of Process of Biological Nitrogen Removal, Anammox has the advantages such as excess sludge production is few, running cost is low, and application prospect is very wide.But, owing to being subject to many factors restriction, the application of this technique is also subject to certain restrictions, as: traditional upflow-type reactor utilizes backflow and hydraulic mixing to carry out muddy water mixing, may cause fragmentation and the loss of mud, and biomass in reactor is declined, and affect effluent quality, in addition anaerobic ammonia oxidizing bacteria is comparatively responsive to nitrogen load change, very easily causes water outlet Different Nitrogen Concentration to fluctuate, and treatment effect is unstable; Also dead band may be produced due to the change of hydraulics in reactor.
In addition, start-up course sludge loss is serious, adopts traditional single filler anaerobic ammonia oxidation reactor to be still difficult to effectively hold and to stay mud, causes technique start-up course consuming time longer.These situations hamper the mass-producing application of anaerobic ammonia oxidation process, are develop problem demanding prompt solution in anaerobic ammonia oxidation bioreactor process potential process further.
Summary of the invention
In order to overcome existing anaerobic ammonia oxidation bioreactor exist sludge loss serious, biomass in reactor is declined, and affect effluent quality, water outlet Different Nitrogen Concentration is easily caused to fluctuate, the deficiency that treatment effect is unstable, produce dead band, the invention provides a kind of denitrification ability and anti-load impact ability strong, stable streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls.
Streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls in one of the present invention, comprise reactor body, it is characterized in that: the inner chamber of described reactor body is divided into collection chamber, water distribution area, mixed filler layer reaction chamber and sludge discharging area from top to bottom successively, and described collection chamber top is provided with vapor pipe; Described water distribution area is communicated with external source by water inlet pipe, and the water outlet of described water inlet pipe upwards water distribution upward; Separated by porous barrier between described mixed filler layer reaction chamber and described sludge discharging area, described mixed filler layer reaction chamber filling multilayer filler; Described sludge discharging area sidewall picks out water pipe, and the water-in of described rising pipe is positioned at the top of the shore pipe bottom described reactor body, and described rising pipe outlet water at tail end mouth is communicated with the reservoir chamber of band reservoir chamber water outlet.
The afterbody level of described water inlet pipe runs through the prosopyle of described reactor body water distribution area sidewall, the height of described prosopyle is 0.8 ~ 0.7:1 with the ratio of described reactor body height, and the water outlet of water inlet pipe end upwards bends as cloth water end (W.E.) 90 °, ensure water inlet pipe upwards water distribution, water inlet pipe water outlet is positioned at reactor body liquid level place.
Described mixed filler layer reaction chamber cylindrically, aspect ratio 4 ~ 10:1.
Described mixed filler layer reaction chamber cross-sectional area is 1:1 with the ratio of sludge discharging area, bottom the maximum cross-section area.
4 layers of filler filled by described mixed filler layer reaction chamber, and ceramic partition ring filler filled by the top layer of described mixed filler layer reaction chamber and bottom; In the middle part of described mixed filler layer reaction chamber, packing layer places obturator-type polyurethane foamed blocks filler and polyethylene garland right cylinder filler from top to bottom according to bulk density is ascending.
The depth of packing of described mixed filler layer reaction chamber is 0.5 ~ 0.6:1 with the ratio of reactor body height; The described obturator-type polyurethane foamed blocks filler length of side is 20 ~ 25mm, specific surface area 0.3 ~ 0.4m
2/ g, bulk density is 20 ~ 30kg/m
3; Described polyethylene garland right cylinder filler diameter is 43 ~ 73mm, high 20 ~ 30mm, specific surface area 130 ~ 185m
2/ m
3, bulk density is 100 ~ 111kg/m
3; Described ceramic partition ring filler diameter is 50 ~ 100mm, high 5 ~ 10mm, specific surface area 145 ~ 11m
2/ m
3, bulk density 600 ~ 850kg/m
3; The volume ratio that adds of described obturator-type polyurethane foamed blocks filler, described polyethylene garland right cylinder filler and ceramic partition ring filler is 1:1:1.5 ~ 2.
The aperture of described porous barrier is 20 ~ 25mm.
The posticum level that sludge discharging area sidewall is run through in the front portion of described rising pipe stretches into the sludge discharging area of reactor body, between the level reference of described posticum at described porous barrier place and the level reference at superior place, bottom, after 90 °, the front end bending downwards of rising pipe, connect water suction hydraucone; Rising pipe afterbody is upwards connected to bottom reservoir chamber along reactor outer wall.
Described sludge discharging area is inverted pyramidal structures, and the angle α of the sidewall of described inverted pyramidal structures and datum water level is 45 ° ~ 60 °.
The invention has the beneficial effects as follows: the combined stuffing performance complement 1) arranged, is easy to biological attachment, and shorten the reactor start-up time, biomass concentration is higher, the filler floating that also avoid air release and freely do not cause is arranged in combination; 2) the mixed fillers Rotating fields arranged, energy effectively catching suspended contaminant, ensures effluent quality on the one hand; The biology that can significantly improve in reactor is held and is stayed on the other hand, prevents sludge loss, improves the ability of the anti-water impact of anaerobic ammonia oxidation reactor and load impact; 3) water-in water distribution vertically upward, after the gas-liquid interface of current spreading in reactor body, drops down gradually in packing layer working face, thus reaches the object of water distribution uniformity; 4) rising pipe is fetched water from bottom part body, along outer wall to liquid level equal-height position overflow water outlet in reactor body, realize mud-water separation, ensure that effluent quality; 5) mass transfer and mixed performance excellent, have the advantage of inverse fluidized-bed and bed of packings concurrently.
Accompanying drawing explanation
Fig. 1 is structure iron of the present invention (A, B, C, D, E, F place arrow all represents the flow direction of liquid).
Fig. 2 is the structure iron of porous barrier of the present invention.
Fig. 3 is reactor body inner-cavity structure figure of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing
With reference to accompanying drawing:
Streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls in embodiment 1 one of the present invention, comprise reactor body, the inner chamber of described reactor body is divided into collection chamber 10, water distribution area 7, mixed filler layer reaction chamber 15 and sludge discharging area 2 from top to bottom successively, and described collection chamber 10 top is provided with vapor pipe 8; Described water distribution area 7 is communicated with external source by water inlet pipe 11, and the water outlet of described water inlet pipe 11 upwards water distribution upward; Separated by porous barrier 16 between described mixed filler layer reaction chamber 15 and described sludge discharging area 2, described mixed filler layer reaction chamber 15 filling multilayer filler; Described sludge discharging area 2 sidewall picks out water pipe 4, and the water-in of described rising pipe 4 is positioned at the top of the shore pipe 1 bottom described reactor body, and described rising pipe 4 outlet water at tail end mouth is communicated with the reservoir chamber 6 of band reservoir chamber water outlet 5.
The afterbody level of described water inlet pipe 11 runs through the prosopyle of described reactor body water distribution area 7 sidewall, the height of described prosopyle is 0.8 ~ 0.7:1 with the ratio of described reactor body height, and the water outlet of water inlet pipe 11 end upwards bends as cloth water end (W.E.) 90 °, ensure water inlet pipe 11 upwards water distribution, water inlet pipe water outlet is positioned at reactor body liquid level place.
Described mixed filler layer reaction chamber 15 cylindrically, aspect ratio 4 ~ 10:1.
Described mixed filler layer reaction chamber 15 cross-sectional area is 1:1 with the ratio of sludge discharging area, bottom 2 the maximum cross-section area.
4 layers of filler filled by described mixed filler layer reaction chamber 15, and ceramic partition ring filler 12 filled by the top layer of described mixed filler layer reaction chamber 15 and bottom; In the middle part of described mixed filler layer reaction chamber 15, packing layer places obturator-type polyurethane foamed blocks filler 13 and polyethylene garland right cylinder filler 14 from top to bottom according to bulk density is ascending.
The depth of packing of described mixed filler layer reaction chamber 15 is 0.5 ~ 0.6:1 with the ratio of reactor body height; Described obturator-type polyurethane foamed blocks filler 13 length of side is 20 ~ 25mm, specific surface area 0.3 ~ 0.4m
2/ g, bulk density is 20 ~ 30kg/m
3; Described polyethylene garland right cylinder filler 14 diameter is 43 ~ 73mm, high 20 ~ 30mm, specific surface area 130 ~ 185m
2/ m
3, bulk density is 100 ~ 111kg/m
3; Described ceramic partition ring filler 12 diameter is 50 ~ 100mm, high 5 ~ 10mm, specific surface area 145 ~ 11m
2/ m
3, bulk density 600 ~ 850kg/m
3; The volume ratio that adds of described obturator-type polyurethane foamed blocks filler 13, described polyethylene garland right cylinder filler 14 and ceramic partition ring filler 12 is 1:1:1.5 ~ 2.
The aperture of described porous barrier 16 is 20 ~ 25mm.
The posticum level that sludge discharging area 2 sidewall is run through in the front portion of described rising pipe 4 stretches into the sludge discharging area 2 of reactor body, described posticum, between the level reference and the level reference at superior place, bottom at described porous barrier 16 place, connects water suction hydraucone 3 after 90 °, the front end bending downwards of rising pipe 4; Rising pipe 4 afterbody is upwards connected to bottom reservoir chamber 6 along reactor outer wall.
Described sludge discharging area 2 is inverted pyramidal structures, and the angle α of the sidewall of described inverted pyramidal structures and datum water level is 45 ° ~ 60 °.
Using method of falling streaming mixed filler layer anaerobic ammonia oxidation bioreactor provided by the present invention is: waste water passes into water distribution area 7 by the water inlet pipe 11 on reactor body 9 sidewall, in mixed filler layer reaction chamber 15, waste water fully contacts with the anaerobic ammonia oxidizing bacteria be attached on packing layer, ammonia under the effect of anaerobic ammonia oxidizing bacteria in waste water and nitrite react and are synchronously removed, and produce nitrogen, nitrogen is collected by the collection chamber 10 on reactor body 9 top, and to be overflowed reactor body 9 by vapor pipe 8; The top layer of mixed filler layer reaction chamber 15 and underfilling adopt the ceramic partition ring filler 12 that bulk density is larger, and the porous barrier 16 disturbing water distribution or filler to pass below that floats to prevent filler blocks mud discharging mouth 1; Packing layer in the middle part of mixed filler layer reaction chamber 15 is laid from top to bottom according to bulk density is ascending, and reduce the compressing deformation to below packing layer that packing layer deadweight causes, long-time running still can keep higher mass-transfer performance; Waste water is through the process of mixed filler layer microbial film and filtration, rising pipe 4 is entered by water suction hydraucone 3 by warp after the porous barrier 16 of mixed filler layer reaction chamber 15 lower end, flowed out by the water outlet 5 be placed on the reservoir chamber 6 of reactor body 9 outside, arranging of water suction hydraucone 3 can effectively prevent the microorganism come off from entering rising pipe 4 or the blocking mouth of pipe; The microorganism that packing layer comes off falls into bottom sludge discharging area 2 due to action of gravity, discharges reactor body 9 via shore pipe 1.
Content described in this specification sheets embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the specific form that embodiment is stated, protection scope of the present invention also comprises those skilled in the art and conceives the equivalent technologies means that can expect according to the present invention.
Claims (9)
1. one kind is fallen streaming mixed filler layer anaerobic ammonia oxidation bioreactor, comprise reactor body, it is characterized in that: the inner chamber of described reactor body is divided into collection chamber, water distribution area, mixed filler layer reaction chamber and sludge discharging area from top to bottom successively, and described collection chamber top is provided with vapor pipe; Described water distribution area is communicated with external source by water inlet pipe, and the water outlet of described water inlet pipe upward, upwards water distribution; Separated by porous barrier between described mixed filler layer reaction chamber and described sludge discharging area, described mixed filler layer reaction chamber filling multilayer filler; Described sludge discharging area sidewall picks out water pipe, and the water-in of described rising pipe is positioned at the top of the shore pipe bottom described reactor body, and described rising pipe outlet water at tail end mouth is communicated with the reservoir chamber of band reservoir chamber water outlet.
2. streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls in one as claimed in claim 1, it is characterized in that: the afterbody level of described water inlet pipe runs through the prosopyle of described reactor body water distribution area sidewall, the height of described prosopyle is 0.8 ~ 0.7:1 with the ratio of described reactor body height, and the water outlet of water inlet pipe end upwards bends as cloth water end (W.E.) 90 °, ensure water inlet pipe upwards water distribution, water inlet pipe water outlet is positioned at reactor body liquid level place.
3. streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls in one as claimed in claim 1, it is characterized in that: described mixed filler layer reaction chamber cylindrically, aspect ratio 4 ~ 10:1.
4. streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls in one as claimed in claim 3, it is characterized in that: described mixed filler layer reaction chamber cross-sectional area is 1:1 with the ratio of sludge discharging area, bottom the maximum cross-section area.
5. streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls in one as claimed in claim 4, it is characterized in that: 4 layers of filler filled by described mixed filler layer reaction chamber, ceramic partition ring filler filled by the top layer of described mixed filler layer reaction chamber and bottom; In the middle part of described mixed filler layer reaction chamber, packing layer places obturator-type polyurethane foamed blocks filler and polyethylene garland right cylinder filler from top to bottom according to bulk density is ascending.
6. streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls in one as claimed in claim 5, it is characterized in that: the depth of packing of described mixed filler layer reaction chamber is 0.5 ~ 0.6:1 with the ratio of reactor body height; The described obturator-type polyurethane foamed blocks filler length of side is 20 ~ 25mm, specific surface area 0.3 ~ 0.4m
2/ g, bulk density is 20 ~ 30kg/m
3; Described polyethylene garland right cylinder filler diameter is 43 ~ 73mm, high 20 ~ 30mm, specific surface area 130 ~ 185m
2/ m
3, bulk density is 100 ~ 111kg/m
3; Described ceramic partition ring filler diameter is 50 ~ 100mm, high 5 ~ 10mm, specific surface area 145 ~ 11m
2/ m
3, bulk density 600 ~ 850kg/m
3; The volume ratio that adds of described obturator-type polyurethane foamed blocks filler, described polyethylene garland right cylinder filler and ceramic partition ring filler is 1:1:1.5 ~ 2.
7. streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls in one as claimed in claim 1, it is characterized in that: the aperture of described porous barrier is 20 ~ 25mm.
8. streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls in one as claimed in claim 1, it is characterized in that: the posticum level that sludge discharging area sidewall is run through in the front portion of described rising pipe stretches into the sludge discharging area of reactor body, between the level reference of described posticum at described porous barrier place and the level reference at superior place, bottom, after 90 °, the front end bending downwards of rising pipe, connect water suction hydraucone; Rising pipe afterbody is upwards connected to bottom reservoir chamber along reactor outer wall.
9. streaming mixed filler layer anaerobic ammonia oxidation bioreactor falls in one as claimed in claim 8, it is characterized in that: described sludge discharging area is inverted pyramidal structures, and the angle α of the sidewall of described inverted pyramidal structures and datum water level is 45 ° ~ 60 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616505.5A CN105174445B (en) | 2015-09-24 | 2015-09-24 | One kind drop streaming mixed filler layer anaerobic ammonia oxidation bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616505.5A CN105174445B (en) | 2015-09-24 | 2015-09-24 | One kind drop streaming mixed filler layer anaerobic ammonia oxidation bioreactor |
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| CN105174445A true CN105174445A (en) | 2015-12-23 |
| CN105174445B CN105174445B (en) | 2017-11-24 |
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| CN201510616505.5A Active CN105174445B (en) | 2015-09-24 | 2015-09-24 | One kind drop streaming mixed filler layer anaerobic ammonia oxidation bioreactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109912011A (en) * | 2019-03-01 | 2019-06-21 | 吴永刚 | Anti impulsion load very competent bioreactor and sewage treatment process |
| CN114275895A (en) * | 2021-12-20 | 2022-04-05 | 江南大学 | Efficient denitrification sewage treatment process and application |
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| CN202379851U (en) * | 2011-12-12 | 2012-08-15 | 上海理工大学 | Device for treating deinking wastewater |
| CN103435152A (en) * | 2013-07-22 | 2013-12-11 | 杭州师范大学 | Mixed packing layer anaerobic ammonium oxidation bioreactor |
| CN204999692U (en) * | 2015-09-24 | 2016-01-27 | 杭州师范大学 | Fall STREAMING and mix packing layer anaerobic ammonium oxidation bioreactor |
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2015
- 2015-09-24 CN CN201510616505.5A patent/CN105174445B/en active Active
Patent Citations (5)
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| CN101012086A (en) * | 2007-01-22 | 2007-08-08 | 浙江大学 | Anaerobic inner circulating reflux type immobilization microorganism fluidized bed reactor |
| WO2011066866A1 (en) * | 2009-12-04 | 2011-06-09 | Biotechnical Processes International Limited | An anaerobic wastewater treatment system |
| CN202379851U (en) * | 2011-12-12 | 2012-08-15 | 上海理工大学 | Device for treating deinking wastewater |
| CN103435152A (en) * | 2013-07-22 | 2013-12-11 | 杭州师范大学 | Mixed packing layer anaerobic ammonium oxidation bioreactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109912011A (en) * | 2019-03-01 | 2019-06-21 | 吴永刚 | Anti impulsion load very competent bioreactor and sewage treatment process |
| CN109912011B (en) * | 2019-03-01 | 2021-07-02 | 吴永刚 | Impact load resistant bioreactor and sewage treatment process |
| CN114275895A (en) * | 2021-12-20 | 2022-04-05 | 江南大学 | Efficient denitrification sewage treatment process and application |
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| CN105174445B (en) | 2017-11-24 |
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