CN103265113A - Ternary anaerobic ammoxidation bioreactor - Google Patents
Ternary anaerobic ammoxidation bioreactor Download PDFInfo
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- CN103265113A CN103265113A CN2013102236014A CN201310223601A CN103265113A CN 103265113 A CN103265113 A CN 103265113A CN 2013102236014 A CN2013102236014 A CN 2013102236014A CN 201310223601 A CN201310223601 A CN 201310223601A CN 103265113 A CN103265113 A CN 103265113A
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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 new bio denitrification process, can under anaerobic be that electron donor is reduced to nitrogen with nitrite with ammonia, removes when realizing two kinds of nitrate pollution things.Than the traditional biological denitrification process, Anammox has advantages such as denitrification effect is good, and excess sludge production is few, and running cost is low, has a extensive future.Yet, comparatively Chang Yong anaerobic ammonia oxidation reactor (upflow anaerobic sludge blanket reactor, anaerobic fluidized bed reactor, anaerobic filter etc.) has some defectives usually, as: mud-water separation weak effect in the technology start-up course, sludge loss is serious, and be difficult to after the sludge loss collect, cause anaerobic ammonia oxidizing bacteria to be difficult in reactor, effectively hold and stay, make anaerobic ammonia oxidation process longer start time; For the anaerobic ammonia oxidation process after successfully starting, it is serious that the granule sludge come-up causes anaerobic ammonia oxidizing bacteria to run off.These situations all are unfavorable for the performance of anaerobic ammonia oxidation bioreactor denitrogenation potential, are unfavorable for the long-term stability operation of technology equally, become a bottleneck of efficient anaerobic ammoxidation reactor industrial applications.
Summary of the invention
The present invention is directed to the problem that is difficult to collect after the serious and sludge loss of present 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 problem that the sludge loss that causes because of mud come-up and loss mud are difficult to collect, realize the biomass stability maintenance.
A kind of ternary anaerobic ammonia oxidation bioreactor of the present invention comprises reactor vessel, and described reactor vessel comprises that biological respinse unit, mud reclaim unit and three phase separation unit; It is characterized in that: lower end, described biological respinse unit arranges water-in, and described biological respinse unit inner chamber is installed porous barrier; Described mud reclaims the unit and is provided with water outlet, refluxing opening and mud discharging mouth from top to bottom successively, and described water outlet place 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 the biological respinse unit and mud reclaims the top, unit, and top, described 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, described biological respinse unit and described mud reclaim between the unit overflow weir are set; Described height of weir plate is 10-20cm.
Further, to reclaim the volume ratio of unit and described three phase separation unit be 5-6:2:1 for described biological respinse unit, described mud.
Further, fill inertia porous crack filtrate between the described porous barrier, place the 2/3-3/4 place of biological respinse cell height.
Further, described refluxing opening is positioned at 1/2 place that described mud reclaims cell height.
Further, the inclination angle of described swash plate is 40-60 °, and the swash plate above being positioned at gos deep into the following 3-5cm of the described mud recovery unit water surface.
A kind of ternary anaerobic ammonia oxidation bioreactor operation scheme of the present invention is: will intake by intake pump and introduce the biological respinse unit bottom, through biological respinse unit generation Anammox reaction, the gas of generation and mud mixture are realized separating of solid phase and gas-liquid phase by porous barrier; Discharge by the water outlet that mud reclaims the unit through overflow weir again; Simultaneously, 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, refluxes for the treatment of liquid, improves the anaerobic ammonia oxidation process performance.
Advantage of the present invention is mainly reflected in: 1. effectively hold and stay anaerobic ammonia oxidizing bacteria, accelerate technology and start; 2. effectively solve the sludge loss problem that reactor internal cause mud come-up causes, keep enough biomasss; 3. realize " dive and bathe " preservation of Anammox mud, reclaim the unit at mud and keep its activity.
Description of drawings
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
Further specify the present invention below in conjunction with accompanying drawing
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 that biological respinse unit 11, mud reclaim unit 12 and three phase separation unit 13; 11 lower ends, described biological respinse unit arrange water-in 111, and described biological respinse unit 11 inner chambers are installed porous barrier 112; Described mud reclaims unit 12 and 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 reclaims 12 tops, unit, 13 tops, described 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, described biological respinse unit 11 and described mud reclaim between the unit 12 overflow weir 132 are set; Described overflow weir 132 highly is 10-20cm.
Further, to reclaim the volume ratio of unit 12 and described three phase separation unit 13 be 5-6:2:1 for described biological respinse unit 11, described mud.
Further, fill inertia porous crack filtrate between the described porous barrier 112, place the 2/3-3/4 place of biological respinse unit 11 height.
Further, described refluxing opening 122 is positioned at 1/2 place that described mud reclaims unit 12 height.
Further, the inclination angle of described swash plate 125 is 40-60 °, and the swash plate 125 above being positioned at gos deep into the following 3-5cm of described mud recovery unit 12 waters surface.
The operation scheme of this anaerobic ammonia oxidation bioreactor is: will intake by intake pump 2 and introduce 11 bottoms, biological respinse unit, 11 the Anammoxs reaction takes place through the biological respinse unit, and the gas of generation and mud mixture are realized separating of solid phases and gas-liquid phase by porous barrier 112; Discharge by the water outlet 121 that mud reclaims unit 12 through overflow weir 132 again; Simultaneously, 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, refluxes for the treatment of liquid, improves the anaerobic ammonia oxidation process performance.
The described content of this specification sheets embodiment only is 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 comprise those skilled in the art conceive according to the present invention the equivalent technologies means that can expect.
Claims (6)
1. a ternary anaerobic ammonia oxidation bioreactor comprises reactor vessel, and described reactor vessel comprises that biological respinse unit, mud reclaim unit and three phase separation unit; It is characterized in that: lower end, described biological respinse unit arranges water-in, and described biological respinse unit inner chamber is installed porous barrier; Described mud reclaims the unit and is provided with water outlet, refluxing opening and mud discharging mouth from top to bottom successively, and described water outlet place 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 the biological respinse unit and mud reclaims the top, unit, and top, described 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 the 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 that described biological respinse unit, described mud reclaim 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: fill inertia porous crack filtrate between the described porous barrier, place 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 that described mud reclaims cell height.
6. a kind of ternary anaerobic ammonia oxidation bioreactor as claimed in claim 1, it is characterized in that: described swash plate inclination angle is 40-60 °, and the swash plate that is positioned at the top gos deep into described mud and reclaims the following 3-5cm of the unit water surface.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108802A (en) * | 2014-06-12 | 2014-10-22 | 杭州师范大学 | Autotrophic nitrogen removal granular sludge reactor capable of automatic floating-sludge smashing and circulating |
| CN105800780A (en) * | 2016-05-26 | 2016-07-27 | 沈阳工业大学 | Circumfluent sulfate type anaerobic ammonia oxidation microbial 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
- 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108802A (en) * | 2014-06-12 | 2014-10-22 | 杭州师范大学 | Autotrophic nitrogen removal granular sludge reactor capable of automatic floating-sludge smashing and circulating |
| CN105800780A (en) * | 2016-05-26 | 2016-07-27 | 沈阳工业大学 | Circumfluent sulfate type anaerobic ammonia oxidation microbial reactor |
| 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 |
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| CN103265113B (en) | 2014-10-01 |
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