CN103265113B - Ternary anaerobic ammoxidation bioreactor - Google Patents
Ternary anaerobic ammoxidation bioreactor Download PDFInfo
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- CN103265113B CN103265113B CN201310223601.4A CN201310223601A CN103265113B CN 103265113 B CN103265113 B CN 103265113B CN 201310223601 A CN201310223601 A CN 201310223601A CN 103265113 B CN103265113 B CN 103265113B
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- ternary
- recovery unit
- sludge
- biological respinse
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- 238000011084 recovery Methods 0.000 claims abstract description 33
- 238000005191 phase separation Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 42
- 229910021529 ammonia Inorganic materials 0.000 claims description 21
- 230000003647 oxidation Effects 0.000 claims description 20
- 238000007254 oxidation reaction Methods 0.000 claims description 20
- 238000010992 reflux Methods 0.000 claims description 16
- 238000013022 venting Methods 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007667 floating Methods 0.000 abstract description 4
- 239000002028 Biomass Substances 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 abstract 1
- 238000003287 bathing Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 241001453382 Nitrosomonadales Species 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Classifications
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- Y02W10/12—
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a ternary anaerobic ammoxidation bioreactor. The ternary anaerobic ammoxidation bioreactor comprises a reactor vessel, wherein the reactor vessel comprises a biological reaction unit, a sludge recovery unit and a three-phase separation unit; the lower end of the biological reaction unit is provided with a water inlet, and a porous barrier plate is mounted in the internal cavity of the biological reaction unit; the sludge recovery unit is sequentially provided with a water outlet, a return port and a sludge discharging port from top to bottom, two parallel tilting plates with downward tail ends are arranged at the water outlet, and the return port and the sludge discharging port are respectively provided with control valves; and the three-phase separation unit is located above the biological reaction unit and the sludge recovery unit, and an exhaust port is formed in the upper part of the three-phase separation unit. The ternary anaerobic ammoxidation bioreactor has the advantages that anaerobic ammoxidation bacteria are effectively retained so as to accelerate process startup; the problem that the loss of sludge in the reactor is caused due to sludge up-floating is effectively solved so as to maintain enough biomass; and the submerge-bathing conservation of anaerobic ammoxidation sludge is realized, and the activity of the anaerobic ammoxidation sludge is maintained by the sludge recovery unit.
Description
Technical field
The present invention relates to a kind of ternary anaerobic ammonia oxidation bioreactor.
Background technology
Anammox is a kind of Process of Biological Nitrogen Removal, can under anaerobic take ammonia as electron donor is reduced to nitrogen by nitrite, when realizing two kinds of nitrogen pollutants, removes.Than traditional biological denitrification process, the advantage such as it is good that Anammox has denitrification effect, and excess sludge production is few, and running cost is low, has a extensive future.Yet, comparatively conventional anaerobic ammonia oxidation reactor (upflow anaerobic sludge blanket reactor, anaerobic fluidized bed reactor, anaerobic filter etc.) has some defects conventionally, as: mud-water separation weak effect in technique start-up course, sludge loss is serious, and after sludge loss, be difficult to collect, cause anaerobic ammonia oxidizing bacteria to be difficult to effectively hold and stay in reactor, make anaerobic ammonia oxidation process longer start time; For the anaerobic ammonia oxidation process after successfully starting, it is serious that granule sludge floating causes anaerobic ammonia oxidizing bacteria to run off.These situations are all unfavorable for the performance of anaerobic ammonia oxidation bioreactor denitrogenation potential, are unfavorable for equally the long-term stability operation of technique, become a bottleneck of efficient anaerobic ammoxidation reactor industrial applications.
Summary of the invention
The present invention is directed to and be difficult to the problem of collecting after the serious and sludge loss of current anaerobic ammonia oxidation reactor mud-water separation weak effect, sludge loss, a kind of ternary anaerobic ammonia oxidation bioreactor has been proposed, can effectively solve the sludge loss and the loss mud that because of mud floating, cause and be difficult to the problem of collecting, realize biomass stability maintenance.
A kind of ternary anaerobic ammonia oxidation bioreactor of the present invention, comprises reactor vessel, and described reactor vessel comprises biological respinse unit, mud recovery unit and three phase separation unit; It is characterized in that: described lower end, biological respinse unit arranges water-in, and described biological respinse unit inner chamber is installed porous barrier; Described mud recovery unit is provided with water outlet, refluxing opening and mud discharging mouth from top to bottom successively, and described water outlet is provided with two inclined paralled plates that end is downward, and described refluxing opening and described mud discharging mouth are respectively equipped with control valve; Described three phase separation unit is positioned at biological respinse unit and mud recovery unit top, and described top, three phase separation unit arranges venting port, and described biological respinse unit, mud recovery unit and three phase separation unit inner chamber are connected.
Further, between described biological respinse unit and described mud recovery unit, overflow weir is set; Described height of weir plate is 10-20cm.
Further, the volume ratio of described biological respinse unit, described mud recovery unit and described three phase separation unit is 5-6:2:1.
Further, between described porous barrier, fill inertia concrete dynamic modulus filtrate, be placed in the 2/3-3/4 place of biological respinse cell height.
Further, described refluxing opening is positioned at 1/2 place of described mud recovery unit height.
Further, the inclination angle of described swash plate is 40-60 °, and the swash plate above being positioned at gos deep into the described following 3-5cm of the mud recovery unit water surface.
A kind of ternary anaerobic ammonia oxidation bioreactor operation scheme of the present invention is: by intake pump, will be intake and be introduced biological respinse unit bottom, through biological respinse unit generation Anammox reaction, the gas of generation and mud mixture are realized the separated of solid phase and liquid phase by porous barrier; Through overflow weir, by the water outlet of mud recovery unit, discharge again; Meanwhile, gas is discharged through water-sealed drainage bottle by venting port; In addition, this reactor vessel can be set up reflux pump and be communicated with the refluxing opening of mud recovery unit and the water-in of biological respinse unit, forms circulation loop, for the treatment of liquid, refluxes, and improves anaerobic ammonia oxidation process performance.
Advantage of the present invention is mainly reflected in: 1. effectively hold and stay anaerobic ammonia oxidizing bacteria, accelerate technique and start; 2. effectively solve the sludge loss problem that reactor internal cause mud floating causes, maintain enough biomasss; 3. realize Anammox mud " dive and bathe " and preserve, at mud recovery unit, maintain its activity.
Accompanying drawing explanation
Fig. 1 is structure diagram of the present invention (direction of arrow represents the direction of motion of gas or muddy water), wherein: (1) reactor vessel; (2) intake pump; (3) inlet chest; (4) water tank; (5) reflux pump.
Embodiment
Below in conjunction with accompanying drawing, further illustrate the present invention
With reference to accompanying drawing:
A kind of ternary anaerobic ammonia oxidation bioreactor of the present invention, comprises reactor vessel 1, and described reactor vessel 1 comprises biological respinse unit 11, mud recovery unit 12 and three phase separation unit 13; Described 11 lower ends, biological respinse unit arrange water-in 111, and described biological respinse unit 11 inner chambers are installed porous barrier 112; Described mud recovery unit 12 is provided with water outlet 121, refluxing opening 122 and mud discharging mouth 123 from top to bottom successively, described water outlet 121 places are provided with two inclined paralled plates 125 that end is downward, and described refluxing opening 122 and described mud discharging mouth 123 are respectively equipped with control valve 124; Described three phase separation unit 13 is positioned at biological respinse unit 11 and mud recovery unit 12 tops, described 13 tops, three phase separation unit arrange venting port 131, and described biological respinse unit 11, mud recovery unit 12 and three phase separation unit 13 inner chambers are connected.
Further, between described biological respinse unit 11 and described mud recovery unit 12, overflow weir 132 is set; Described overflow weir 132 is highly 10-20cm.
Further, the volume ratio of described biological respinse unit 11, described mud recovery unit 12 and described three phase separation unit 13 is 5-6:2:1.
Further, between described porous barrier 112, fill inertia concrete dynamic modulus filtrate, be placed in the 2/3-3/4 place of biological respinse unit 11 height.
Further, described refluxing opening 122 is positioned at 1/2 place of described mud recovery unit 12 height.
Further, the inclination angle of described swash plate 125 is 40-60 °, and the swash plate above being positioned at 125 gos deep into the described following 3-5cm of mud recovery unit 12 water surface.
The operation scheme of this anaerobic ammonia oxidation bioreactor is: by intake pump 2, will be intake and be introduced 11 bottoms, biological respinse unit, through biological respinse unit, 11 there is Anammoxs reaction, and the gas of generation and mud mixture are realized the separated of solid phase and liquid phase by porous barrier 112; Through overflow weir 132, by the water outlet 121 of mud recovery unit 12, discharge again; Meanwhile, gas is discharged through water-sealed drainage bottle 133 by venting port 131; In addition, this reactor vessel 1 can be set up reflux pump 5 and be communicated with the refluxing opening 122 of mud recovery unit and the water-in 111 of biological respinse unit, forms circulation loop, for the treatment of liquid, refluxes, and improves anaerobic ammonia oxidation process performance.
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 only limiting to the specific form that embodiment states, protection scope of the present invention also comprises that those skilled in the art conceive the equivalent technologies means that can expect according to the present invention.
Claims (6)
1. a ternary anaerobic ammonia oxidation bioreactor, comprises reactor vessel, and described reactor vessel comprises biological respinse unit, mud recovery unit and three phase separation unit; It is characterized in that: described lower end, biological respinse unit arranges water-in, and described biological respinse unit inner chamber is installed porous barrier; Described mud recovery unit is provided with water outlet, refluxing opening and mud discharging mouth from top to bottom successively, and described water outlet is provided with two inclined paralled plates that end is downward, and described refluxing opening and described mud discharging mouth are respectively equipped with control valve; Described three phase separation unit is positioned at biological respinse unit and mud recovery unit top, and described top, three phase separation unit arranges venting port, and described biological respinse unit, mud recovery unit and three phase separation unit inner chamber are connected.
2. a kind of ternary anaerobic ammonia oxidation bioreactor as claimed in claim 1, is characterized in that: between described biological respinse unit and described mud recovery unit, overflow weir is set; Described height of weir plate is 10-20cm.
3. a kind of ternary anaerobic ammonia oxidation bioreactor as claimed in claim 1, is characterized in that: the volume ratio of described biological respinse unit, described mud recovery unit and described three phase separation unit is 5-6:2:1.
4. a kind of ternary anaerobic ammonia oxidation bioreactor as claimed in claim 1, is characterized in that: between described porous barrier, fill inertia concrete dynamic modulus filtrate, be placed in the 2/3-3/4 place of biological respinse cell height.
5. a kind of ternary anaerobic ammonia oxidation bioreactor as claimed in claim 1, is characterized in that: described refluxing opening is positioned at 1/2 place of described mud recovery unit height.
6. a kind of ternary anaerobic ammonia oxidation bioreactor as claimed in claim 1, is characterized in that: described swash plate inclination angle is 40-60 °, and the swash plate above being positioned at gos deep into the described following 3-5cm of the mud recovery unit water surface.
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| CN201310223601.4A CN103265113B (en) | 2013-06-05 | 2013-06-05 | Ternary anaerobic ammoxidation bioreactor |
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| CN103265113B true CN103265113B (en) | 2014-10-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108802B (en) * | 2014-06-12 | 2015-11-18 | 杭州师范大学 | A kind of autotrophic nitrogen removal granule sludge reactor of mud scum automatic pulverizing circulation |
| CN105800780B (en) * | 2016-05-26 | 2018-05-22 | 沈阳工业大学 | A kind of circulation type sulfate type anaerobic ammonia oxidation microbiological reactor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007678A (en) * | 2007-01-19 | 2007-08-01 | 华南理工大学 | Temperature controlled USAB anaerobic ammoxidation strain denitrogenation method and its apparatus |
| CN101767875A (en) * | 2010-02-05 | 2010-07-07 | 浙江大学 | Double-circulation biological membrane anaerobic ammonia oxidation reactor |
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- 2013-06-05 CN CN201310223601.4A patent/CN103265113B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007678A (en) * | 2007-01-19 | 2007-08-01 | 华南理工大学 | Temperature controlled USAB anaerobic ammoxidation strain denitrogenation method and its apparatus |
| CN101767875A (en) * | 2010-02-05 | 2010-07-07 | 浙江大学 | Double-circulation biological membrane anaerobic ammonia oxidation reactor |
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