CN203530022U - Integrated partial nitrification/anaerobic ammonia oxidation reactor - Google Patents
Integrated partial nitrification/anaerobic ammonia oxidation reactor Download PDFInfo
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- CN203530022U CN203530022U CN201320546080.1U CN201320546080U CN203530022U CN 203530022 U CN203530022 U CN 203530022U CN 201320546080 U CN201320546080 U CN 201320546080U CN 203530022 U CN203530022 U CN 203530022U
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- short distance
- distance nitration
- district
- reactor
- ammonia oxidation
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 24
- 230000003647 oxidation Effects 0.000 title claims abstract description 23
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000006396 nitration reaction Methods 0.000 claims description 45
- 238000005273 aeration Methods 0.000 claims description 36
- 238000007599 discharging Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 238000013022 venting Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 14
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241001453382 Nitrosomonadales Species 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses an integrated partial nitrification/anaerobic ammonia oxidation reactor which comprises a reactor body, a base and a bracket, wherein the reactor body is fixed on the base, and a central partial nitrification unit and a peripheral anaerobic ammonia oxidation unit are arranged in the reactor body from the center to the periphery; the central partial nitrification unit is divided into a water outlet area, a reaction area and a first water inlet area from bottom to top, a first baffle with a grid at the bottom is arranged between the two sides of the water outlet area and the peripheral anaerobic ammonia oxidation unit, and the first baffle is fixed on the reactor body; the peripheral anaerobic ammonia oxidation unit is divided into a second water inlet area, a reaction area I, a connection area and a reaction area II from inside to outside. In the reactor disclosed by the utility model, the partial nitrification unit and the anaerobic ammonia oxidation unit can be independently operated or combined for use, and the coupling of two reactions is realized in a single reactor to treat high-ammonia nitrogen wastewater.
Description
Technical field
The utility model relates to a kind of integrated short distance nitration/anaerobic ammonia oxidation reactor.
Background technology
Along with the development of industrial and agricultural production and the raising of living standards of the people, all kinds of wastewater discharges sharply increase, and this has higher requirement to wastewater processing technology.Especially a large amount of discharges of high ammonia-nitrogen wastewater and strict ambient water quality emission standard, brought huge challenge to removing of high ammonia-nitrogen wastewater.At present, take the bio-denitrification technology that microbial technique is core occupies irreplaceable status in the processing of high ammonia-nitrogen wastewater.Wherein, novel denitrification process Anammox, because of its efficient, low consumption, becomes the fresh combatants in wastewater biological denitrificaion technique day by day.
As everyone knows, it is that concentration ratio is ammonia nitrogen and the nitrite nitrogen of 1:1.32 that Anammox reacts required water inlet matrix, so need provide for it water inlet that is applicable to concentration ratio by short distance nitration before Anammox reaction process.In view of the actual water inlet matrix of above-mentioned denitrification process need to, simultaneously, due to the difference of functional microbial in short distance nitration and anaerobic ammonia oxidation process,, the physiology of functional microbial, ecological demand amount are different, wastewater treatment worker often belongs to short distance nitration and Anammox reaction in two different reactors.But minute building formula reactor has the drawbacks such as floor space is large, capital cost is high.Therefore the integrated reactor that, floor space is little, capital cost is low is just progressively favored.
Summary of the invention
In order to overcome the reaction minute of existing short distance nitration and Anammox, build the shortcomings such as the floor space that formula reactor exists is large, capital cost is high, the utility model provides integrated short distance nitration/anaerobic ammonia oxidation reactor that a kind of floor space is little, capital cost is low.
First, in single reaction vessel, realize the integrated of short distance nitration and Anammox reaction, by the water inlet pipe that is positioned at integrated reactor center, to reactor, provide short distance nitration water inlet (matrix is: ammonia nitrogen, nitrite nitrogen), by the external world, regulate aeration rate (1.00 – 1.51mg L
-1), pH(7.5 – 8.0), to make the water outlet of short distance nitration reactor reach ammonia nitrogen be 1:1 with the ratio of nitrite nitrogen concentration for the ratio (1.0 – 1.1) of influent alkalinity and ammonia nitrogen concentration etc., after being applicable to Anammox water inlet and by bottom, with the first baffle plate of grid, enter Anammox reaction zone, the anti impulsion load ability that the arranging of the first baffle plate improved reactor has also improved the stability of system self simultaneously; Multistage baffle plate (the first plate washer, second baffle) the mud retentivity that has improved system is set; Set first, second baffle plate in periphery Anammox unit, contributes to alleviate the negative impact that the instantaneous water yield is impacted to a certain extent.Therefore, the utility model by two kinds of different reactions, completes efficient, economic, stable high ammonia waste water and removes in single reaction vessel, and floor space and capital construction cost are all little.
The technical solution adopted in the utility model is:
Integrated short distance nitration/anaerobic ammonia oxidation reactor, comprise reactor body, base and support, described reactor body is fixed on described base, it is characterized in that: in described reactor body, from middle mind-set periphery, be provided with short distance nitration unit, center and periphery Anammox unit;
Described short distance nitration unit, center is divided into exhalant region, reaction zone and the first inhalant region from bottom to top, between described both sides, exhalant region and periphery Anammox unit, be respectively equipped with bottom with the first baffle plate of middle grid, the first described baffle plate is fixed on described reactor body; The bottom that is provided with light carrier and described reaction zone in described reaction zone is provided with aeration head, described aeration head connects described the first inhalant region of short distance nitration unit, center and the hollow aeration guide wire of reaction zone by one and is connected with aeration tube, and described hollow aeration guide wire is fixed on the support of reactor base by fastening piece; The first described top, inhalant region is provided with the water distributor being connected with water inlet pipe;
Described periphery Anammox unit is divided into from inside to outside the second inhalant region, reaction one district, is connected district and reaction 2nd district, described reaction one district is provided with top with the second baffle of middle grid with described being connected between district, is provided with bottom with the first baffle plate of middle grid between the second described inhalant region and the exhalant region of short distance nitration unit; Described reaction two upper ends, district are provided with settling region, are provided with bottom with the first baffle plate of middle grid between described reaction 2nd district and settling region, and described settling region sidewall is provided with overflow weir and water outlet, and described water outlet is connected with rising pipe; Described reaction two bottoms, district are provided with mud discharging mouth, are provided with the valve of controlling its switching on described mud discharging mouth; The top of described periphery Anammox unit is provided with venting port.
Further, exhalant region, reaction zone and first inhalant region of described short distance nitration unit, center are all cylindrical, and the aspect ratio of each part mentioned above is 2～5:1.
Further, the second inhalant region of described periphery Anammox unit, reaction one district, linking district and reaction 2nd district are all cylindrical, and the radius ratio of each part mentioned above is respectively 1:1.2～1.4:1.3～1.5:1.5～1.7.
Further, between the exhalant region of described short distance nitration unit, center and reaction zone, take aeration head lower end as boundary, described reaction zone and the first inhalant region take water inlet liquid level be boundary.
Further, the first described baffle plate and the width of second baffle and the internal diameter of reactor body ratio are: 1～1.5:10, and grid gap is 10～40mm, and the ratio that height of grid accounts for the first baffle plate overall length is: 10～20%.
Further, the proportion of described light carrier for water is 0.5～0.95.
Further, on described water distributor distance the first inhalant region, liquid level distance is 0.1～0.3m.
Further, described overflow weir is 1:4～10 apart from reactor body barrel portion lower end the horizontal plane with the ratio of reactor body barrel portion height; Described height of weir plate is 1:10～15 with the ratio of reactor body barrel portion height; Described water outlet internal diameter is 1:8～15 with the ratio of reactor body barrel portion internal diameter.
Further, described mud discharging mouth internal diameter is 1:8～10 with the ratio of reactor body barrel portion internal diameter; Described venting port internal diameter is 1:8～10 with the ratio of reactor body barrel portion inner diameter d 2.
In the utility model, aeration described aeration tube used is connected with aeration head through hollow aeration guide wire, can and effectively control the residing position of aeration head by hollow aeration guide wire and the two top to bottom, left and right, front and rear Joint regulation of fastening piece or part adjusting according to actual needs, and by up-down adjustment hollow aeration guide wire, can effectively regulate the reaction zone volume of short distance nitration unit, center.
Integrated short distance nitration/anaerobic ammonia oxidation reactor described in the utility model, it can be built by synthetic glass or steel plate.Carrier directly adds from reactor head.Waste water fully mixes with muddy water in reaction zone after being entered by water-in at once.Under aeration effect, upstream is in contact with one another with falling stream waste water, and the solid high-speed circulating of aqueous vapor flows, and produces strong agitation effect in reaction zone, realizes good mixing and mass transfer.
The beneficial effects of the utility model are embodied in:
1) not only can independent operations but also can combine use in short distance nitration and Anammox Unit two, realize the coupling of two kinds of reactions and process high ammonia-nitrogen wastewater in single reaction vessel, and floor space, capital cost, processing cost are all economical suitable;
2) by center aeration, vigorous agitation in short distance nitration unit process district, is convenient to gas dispersion, is conducive to fully contacting of ammonia oxidizing bacteria and oxygen, improves the utilization ratio of oxygen;
3) by baffle plate set in periphery Anammox unit, strengthen mud hold-up, improve the duration of contact of waste water and anaerobic ammonium oxidizing bacteria, be beneficial to mass transfer and reaction;
4) setting of multistage middle grating baffle plate, can control the influent load of Anammox unit effectively, improves the anti impulsion load ability of system and the stability of system.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction schematic diagram.
Fig. 2 is the utility model vertical view.
Embodiment
See figures.1.and.2, integrated short distance nitration/anaerobic ammonia oxidation reactor, comprise reactor body 7, base and support, described reactor body 7 is fixed on described base, in described reactor body 7, from middle mind-set periphery, is provided with short distance nitration unit, center 1 and periphery Anammox unit 2;
Described short distance nitration unit, center 1 is divided into exhalant region 3, reaction zone 4 and the first inhalant region 5 from bottom to top, between described 3 both sides, exhalant region and periphery Anammox unit 2, be provided with bottom with the first baffle plate 6 of middle grid, the first described baffle plate 6 is fixed on described reactor body 7; The bottom that is provided with light carrier and described reaction zone 4 in described reaction zone 4 is provided with aeration head 8, described aeration head 8 connects described the first inhalant region 5 of short distance nitration unit, center 1 and the hollow aeration guide wire 11 of reaction zone 4 by one and is connected with aeration tube 14, and described hollow aeration guide wire 11 is fixed on the support 13 of reactor base by fastening piece 12; Described 5 tops, the first inhalant region are provided with the water distributor 9 being connected with water inlet pipe 10;
Described periphery Anammox unit 2 is divided into from inside to outside the second inhalant region 15, reaction one district 16, is connected district 17 and reaction two districts 18, described reaction one district 16 is provided with top with the second baffle 19 of middle grid with described being connected between district 17, is provided with bottom with the first baffle plate 6 of middle grid between the second described inhalant region 15 and the exhalant region 3 of short distance nitration unit; Described 18 upper ends, reaction 2nd district are provided with settling region 20, between described reaction two 18Yu settling regions, district 20, be provided with bottom with the first baffle plate 6 of middle grid, described settling region 20 sidewalls are provided with overflow weir 21 and water outlet 22, and described water outlet 22 is connected with rising pipe 23; Described 18 bottoms, reaction 2nd district are provided with mud discharging mouth 24, are provided with the valve 25 of controlling its switching on described mud discharging mouth 24; The top of described periphery Anammox unit 2 is provided with venting port 26.
Further, the exhalant region 3 of described short distance nitration unit, center 1, reaction zone 4 and the first inhalant region 5 are all cylindrical, and the aspect ratio of each part mentioned above is 2～5:1.
Further, the second inhalant region 15 of described periphery Anammox unit 2, reaction one district 16, linking district 17 and reaction two districts 18 are all cylindrical, and the radius ratio of each part mentioned above is respectively 1:1.2～1.4:1.3～1.5:1.5～1.7.
Further, between the exhalant region 3 of described short distance nitration unit, center 1 and reaction zone 4, take aeration head 8 lower ends is boundary, and it is boundary that water inlet liquid level be take in described reaction zone 4 and the first inhalant region 5.
Further, the first described baffle plate 6 and the width of second baffle 19 are with the internal diameter ratio of reactor body 7: 1～1.5:10, and grid gap is 10～40mm, and the ratio that height of grid accounts for the first baffle plate 6 overall lengths is: 10～20%.
Further, the proportion of described light carrier for water is 0.5～0.95.
Further, on described water distributor 9 distance the first inhalant regions 5, liquid level distance is 0.1～0.3m.
Further, described overflow weir 21 is 1:4～10 apart from reactor body 7 barrel portion lower end the horizontal planes with the ratio of reactor body 7 barrel portion height; Described overflow weir 21 height are 1:10～15 with the ratio of reactor body 7 barrel portion height; Described water outlet 22 internal diameters are 1:8～15 with the ratio of reactor body 7 barrel portion internal diameters.
Further, described mud discharging mouth 24 internal diameters are 1:8～10 with the ratio of reactor body 7 barrel portion internal diameters; Described venting port 26 internal diameters are 1:8～10 with the ratio of reactor body 7 barrel portion inner diameter d 2.
In the utility model, aeration described aeration tube 14 used is connected with aeration head 8 through hollow aeration guide wire 11, can and effectively control the residing position of aeration head 8 by hollow aeration guide wire 11 and fastening piece 12 the two top to bottom, left and right, front and rear Joint regulation or part adjusting according to actual needs, and by up-down adjustment hollow aeration guide wire 11, can effectively regulate the reaction zone volume of short distance nitration unit, center 1.
Integrated short distance nitration/anaerobic ammonia oxidation reactor described in the utility model, it can be built by synthetic glass or steel plate.Carrier directly adds from reactor head.Waste water fully mixes with muddy water in reaction zone after being entered by water-in at once.Under aeration effect, upstream is in contact with one another with falling stream waste water, and the solid high-speed circulating of aqueous vapor flows, and produces strong agitation effect in reaction zone, realizes good mixing and mass transfer.
Content described in this specification sheets embodiment is only enumerating the way of realization of inventive concept; protection domain of the present utility model should not be regarded as only limiting to the specific form that embodiment states, protection domain of the present utility model also and the equivalent technologies means that can expect according to the utility model design in those skilled in the art.
Claims (9)
1. integrated short distance nitration/anaerobic ammonia oxidation reactor, comprise reactor body, base and support, described reactor body is fixed on described base, it is characterized in that: in described reactor body, from middle mind-set periphery, be provided with short distance nitration unit, center and periphery Anammox unit;
Described short distance nitration unit, center is divided into exhalant region, reaction zone and the first inhalant region from bottom to top, between described both sides, exhalant region and periphery Anammox unit, be provided with bottom with the first baffle plate of middle grid, the first described baffle plate is fixed on described reactor body; The bottom that is provided with light carrier and described reaction zone in described reaction zone is provided with aeration head, described aeration head connects described the first inhalant region of short distance nitration unit, center and the hollow aeration guide wire of reaction zone by one and is connected with aeration tube, and described hollow aeration guide wire is fixed on the support of reactor base by fastening piece; The first described top, inhalant region is provided with the water distributor being connected with water inlet pipe;
Described periphery Anammox unit is divided into from inside to outside the second inhalant region, reaction one district, is connected district and reaction 2nd district, described reaction one district is provided with top with the second baffle of middle grid with described being connected between district, is provided with bottom with the first baffle plate of middle grid between the second described inhalant region and the exhalant region of short distance nitration unit; Described reaction two upper ends, district are provided with settling region, are provided with bottom with the first baffle plate of middle grid between described reaction 2nd district and settling region, and described settling region sidewall is provided with overflow weir and water outlet, and described water outlet is connected with rising pipe; Described reaction two bottoms, right side, district are provided with mud discharging mouth, are provided with the valve of controlling its switching on described mud discharging mouth; The top of described periphery Anammox unit is provided with venting port.
2. integrated short distance nitration/anaerobic ammonia oxidation reactor as claimed in claim 1, is characterized in that: exhalant region, reaction zone and first inhalant region of described short distance nitration unit, center are all cylindrical, and the aspect ratio of each part mentioned above is 2～5:1.
3. integrated short distance nitration/anaerobic ammonia oxidation reactor as claimed in claim 2, it is characterized in that: the second inhalant region of described periphery Anammox unit, reaction one district, linking district and reaction 2nd district are all cylindrical, and the radius ratio of each part mentioned above is respectively 1:1.2～1.4:1.3～1.5:1.5～1.7.
4. integrated short distance nitration/anaerobic ammonia oxidation reactor as claimed in claim 3, it is characterized in that: between the exhalant region of described short distance nitration unit, center and reaction zone, take aeration head lower end as boundary, described reaction zone and the first inhalant region take water inlet liquid level be boundary.
5. integrated short distance nitration/anaerobic ammonia oxidation reactor as claimed in claim 4, it is characterized in that: the first described baffle plate and the width of second baffle and the internal diameter of reactor body ratio are: 1～1.5:10, grid gap is 10～40mm, and the ratio that height of grid accounts for the first baffle plate overall length is: 10～20%.
6. integrated short distance nitration/anaerobic ammonia oxidation reactor as claimed in claim 5, is characterized in that: the proportion of described light carrier for water is 0.5～0.95.
7. integrated short distance nitration/anaerobic ammonia oxidation reactor as claimed in claim 6, is characterized in that: on described water distributor distance the first inhalant region, liquid level distance is 0.1～0.3m.
8. integrated short distance nitration/anaerobic ammonia oxidation reactor as claimed in claim 7, is characterized in that: described overflow weir is 1:4～10 apart from reactor body barrel portion lower end the horizontal plane with the ratio of reactor body barrel portion height; Described height of weir plate is 1:10～15 with the ratio of reactor body barrel portion height; Described water outlet internal diameter is 1:8～15 with the ratio of reactor body barrel portion internal diameter.
9. integrated short distance nitration/anaerobic ammonia oxidation reactor as claimed in claim 8, is characterized in that: described mud discharging mouth internal diameter is 1:8～10 with the ratio of reactor body barrel portion internal diameter; Described venting port internal diameter is 1:8～10 with the ratio of reactor body barrel portion inner diameter d 2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546080.1U CN203530022U (en) | 2013-09-03 | 2013-09-03 | Integrated partial nitrification/anaerobic ammonia oxidation reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546080.1U CN203530022U (en) | 2013-09-03 | 2013-09-03 | Integrated partial nitrification/anaerobic ammonia oxidation reactor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663692A (en) * | 2013-09-03 | 2014-03-26 | 杭州师范大学 | Integrated shortcut nitrification/anaerobic ammoxidation reactor |
| CN106745737A (en) * | 2016-12-17 | 2017-05-31 | 杭州师范大学 | A kind of short distance nitration Anammox manifold type denitrification reactor |
| CN107265641A (en) * | 2017-03-16 | 2017-10-20 | 泉州华大环保科技有限公司 | A kind of high-enriched organics, the biological treatment device of ammonia nitrogen waste water and its application method |
| CN107487850A (en) * | 2017-09-27 | 2017-12-19 | 大连大学 | A kind of saprobia removes Analysis and its application method |
| CN115231696A (en) * | 2022-07-22 | 2022-10-25 | 知和环保科技有限公司 | Method for quickly starting shortcut nitrification |
-
2013
- 2013-09-03 CN CN201320546080.1U patent/CN203530022U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663692A (en) * | 2013-09-03 | 2014-03-26 | 杭州师范大学 | Integrated shortcut nitrification/anaerobic ammoxidation reactor |
| CN106745737A (en) * | 2016-12-17 | 2017-05-31 | 杭州师范大学 | A kind of short distance nitration Anammox manifold type denitrification reactor |
| CN107265641A (en) * | 2017-03-16 | 2017-10-20 | 泉州华大环保科技有限公司 | A kind of high-enriched organics, the biological treatment device of ammonia nitrogen waste water and its application method |
| CN107487850A (en) * | 2017-09-27 | 2017-12-19 | 大连大学 | A kind of saprobia removes Analysis and its application method |
| CN115231696A (en) * | 2022-07-22 | 2022-10-25 | 知和环保科技有限公司 | Method for quickly starting shortcut nitrification |
| CN115231696B (en) * | 2022-07-22 | 2023-12-19 | 知和环保科技有限公司 | Method for quickly starting shortcut nitrification |
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