CN103523910B - Integrated baffle-type autotrophic biological denitrification reactor - Google Patents
Integrated baffle-type autotrophic biological denitrification reactor Download PDFInfo
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- 230000001651 autotrophic effect Effects 0.000 title claims abstract description 17
- 239000010802 sludge Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000006396 nitration reaction Methods 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 230000000813 microbial effect Effects 0.000 claims description 25
- 239000008187 granular material Substances 0.000 claims description 22
- 238000005273 aeration Methods 0.000 claims description 21
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 239000002351 wastewater Substances 0.000 abstract description 9
- 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
- 230000035484 reaction time Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract 3
- 238000001556 precipitation Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 241001453382 Nitrosomonadales Species 0.000 description 1
- 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 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- -1 percolate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 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 discloses an integrated baffle-type autotrophic biological denitrification reactor which comprises a reactor body, wherein the reactor body is provided with a first baffle plate; the first baffle plate divides the reactor body into a partial nitrification unit and an anaerobic ammoxidation unit; the upper end of the first baffle plate is connected with the top of the reactor body, and a gap is reserved between the lower end and the bottom of the reactor body; the anaerobic ammoxidation unit is divided into a biofilm area I, a biofilm area II, a particle sludge area, a second precipitation area and a second water outlet area from left to right; a second baffle plate is arranged between the biofilm area II and the particle sludge area; and a third baffle plate is arranged between the particle sludge area and the second precipitation area. According to the reactor disclosed by the invention, the coupling of a partial nitrification process and an anaerobic ammoxidation process is realized in a single reactor; and with the multi-level baffle plates, the flow path of the wastewater is prolonged, the effective reaction time is increased, and the biological withholding ability is enhanced.
Description
Technical field
The present invention relates to a kind of integrated deflector type autotrophic type biological denitrification reactor.
Background technology
Along with the development of industrial and agricultural production and the raising of living standards of the people, various types of wastewater discharges sharply increase, and emission standard is increasingly strict, and this has higher requirement to wastewater processing technology.At present, the quantity discharged of the high ammonia-nitrogen wastewaters such as percolate, sludge digestion supernatant liquor strengthens day by day, and biologic treating technique taking microbial technique as core occupies irreplaceable status in ammonia nitrogen waste water is processed.Wherein, novel denitrification process Anammox, because of its efficient low-consume, becomes one of most popular wastewater denitrification process day by day.
As everyone knows, Anammox reacts required water inlet substrate concn than ammonia nitrogen and nitrite nitrogen for 1:1.32, therefore need provide for it water inlet that is applicable to concentration ratio by short distance nitration before Anammox reaction process.Wastewater treatment worker is often placed in short distance nitration and Anammox reaction in two different reactors.But point 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 existing point of shortcoming of building that the floor space that formula reactor exists is large, capital cost is high etc., the invention provides the integrated deflector type autotrophic type biological denitrification reactor that a kind of floor space is little, capital cost is low.
The present invention proposes a kind of integrated deflector type autotrophic type biological denitrification reactor.First, in single reaction vessel, realize the integrated of short distance nitration and Anammox reaction; Secondly, being arranged on of Multi-level deflector plate improved the anti impulsion load ability of reactor, stability and the intrasystem mud retentivity of system self to a certain extent, contribute to alleviate the negative impact that the instantaneous water yield is impacted, simultaneously, the setting in granule sludge district and the inner anaerobic ammonium oxidation granular sludge adding, make above-mentioned integrated reactor not only take into account the advantage of traverse baffle biofilm reactor but also have the part advantage of flow lifting type granular sludge bed reactor concurrently.Therefore, the present invention passes through the combination of two kinds of different reactions (short distance nitration and Anammox), two kinds of reactors (traverse baffle biofilm reactor and flow lifting type granular sludge bed reactor) in single reaction vessel, jointly complete efficient, economic, stable autotrophic denitrification process, give prominence to again integrated reactor floor space and all little advantage of capital construction cost simultaneously.
The technical solution used in the present invention is:
A kind of integrated deflector type autotrophic type biological denitrification reactor, comprise reactor body, base and support, described reactor body and support are all installed on described base, it is characterized in that: described reactor body is provided with the first traverse baffle, described reactor body is separated into short distance nitration unit and Anammox unit by the first described traverse baffle, the described upper end of the first traverse baffle and the top of reactor body are connected, and gap is left in the bottom of lower end and reactor body;
Described short distance nitration unit is divided into inhalant region, reaction zone, the first exhalant region and the first settling region from top to bottom, and described top, inhalant region is provided with the water-in being connected with water inlet pipe; Described bottom, reaction zone is provided with aeration head, described aeration head is connected with the aeration tube through hollow aeration guide wire, inhalant region and the reaction zone of the short distance nitration unit described in described hollow aeration guide wire runs through, and described hollow aeration guide wire is fixed on described support by fastening piece; The first exhalant region of described short distance nitration unit is communicated with described Anammox unit;
Described Anammox unit is from left to right divided into microbial film one district, microbial film 2nd district, granule sludge district, the second settling region and the second exhalant region; Between described microbial film 2nd district and granule sludge district, be provided with the second traverse baffle, between described granule sludge district and the second settling region, be provided with the 3rd traverse baffle; Space is left at the second described traverse baffle upper end and the top of reactor body, and lower end is connected with the bottom of reactor body; Described the 3rd upper end of traverse baffle and the top of reactor body are connected, and gap is left in the bottom of lower end and reactor body; In described microbial film one district, activated carbon fiber carrier is set, in described microbial film 2nd district, elastic solid filler is set, in described granule sludge district, be provided with anaerobic ammonium oxidation granular sludge; The second described exhalant region is connected with water outlet and rising pipe by the overflow weir that is arranged at reactor top; The reactor body on the second described right side, settling region is provided with the mud discharging mouth with valve.
Further, the reactor body top on described right side, Anammox unit is provided with venting port, and the reactor body top of described left side, Anammox unit and described short distance nitration unit is respectively arranged with carrier and adds mouth.
Further, described reactor body is cuboid, and height, the length and width ratio of reactor body are: 1:1.5～2:0.8～1, and the volume ratio of described short distance nitration unit and Anammox unit is: 1:2～3.
Further, described short distance nitration unit is cuboid, and high and the ratio of length are 2～5:1, between described inhalant region and reaction zone taking the liquid level of intaking as boundary, between described reaction zone and the first exhalant region taking aeration head as boundary.
Further, the described width of first, second and third traverse baffle and the ratio of the width of reactor body are: 0.3～0.6:1, the described length of first, second and third traverse baffle and the length ratio of reactor body are: 0.6～0.8:1
Further, described water-in top apart from the distance L 1 at reactor body top with the length ratio of reactor body is: 1:8～10, water-in inner diameter d 1 with the length ratio of reactor body is: 1:10～20.
Further, described microbial film one district is 1:0.6～0.8 with the microbial film two shared volume sums in district with the ratio of the shared volume in granule sludge district; The described shared volume in granule sludge district with the ratio of the second settling region, the second shared volume sum in exhalant region is: 1:0.6～0.8.
Beneficial effect of the present invention is embodied in:
1) in single reaction vessel, realized the coupling of short distance nitration technique and anaerobic ammonia oxidation process, floor space is little;
2) microorganism that carries out Anammox reaction exists with the form of microbial film and granule sludge simultaneously, and flora structure is abundant, and reaction potentiality are large, stable, and mud-water separation is effective;
3) arranging of Multi-level deflector plate extended wastewater streams through path, improved effective reaction time, strengthened biology and held the ability of staying;
4) reactor monolith fluidised form is close to plug flow, and mass transfer force is large, and speed of reaction is fast.
Brief description of the drawings
Fig. 1 is one-piece construction schematic diagram of the present invention.
Embodiment
With reference to Fig. 1, a kind of integrated deflector type autotrophic type biological denitrification reactor, comprise reactor body 1, base 2 and support 3, described reactor body 1 and support 3 are all installed on described base 2, described reactor body 1 is provided with the first traverse baffle 16, described reactor body 1 is separated into short distance nitration unit 4 and Anammox unit 5 by the first described traverse baffle 16, the upper end of the first described traverse baffle 16 is connected with the top of reactor body 1, and gap is left in the bottom of lower end and reactor body 1;
Described short distance nitration unit 4 is divided into inhalant region 6, reaction zone 7, the first exhalant region 8 and the first settling region 9 from top to bottom, and described 6 tops, inhalant region are provided with the water-in 10 being connected with water inlet pipe 11; Described 7 bottoms, reaction zone are provided with aeration head 12, described aeration head 12 is connected with the aeration tube 13 through hollow aeration guide wire 14, inhalant region 6 and the reaction zone 7 of the short distance nitration unit 4 described in described hollow aeration guide wire 14 runs through, and described hollow aeration guide wire 14 is fixed on described support 3 by fastening piece 15; The first exhalant region 8 of described short distance nitration unit 4 is communicated with described Anammox unit 5;
Described Anammox unit 5 is from left to right divided into microbial film one district 17, microbial film two districts 18, granule sludge district 19, the second settling region 20 and the second exhalant region 21; Between described microbial film two districts 18 and granule sludge district 19, be provided with the second traverse baffle, between described granule sludge district 19 and the second settling region 20, be provided with the 3rd traverse baffle; Space is left at the second described traverse baffle upper end and the top of reactor body 1, and lower end is connected with the bottom of reactor body 1; The upper end of the 3rd described traverse baffle is connected with the top of reactor body 1, and gap is left in the bottom of lower end and reactor body 1; The described interior activated carbon fiber carrier that arranges in microbial film one district 17, the described interior elastic solid filler 28 that arranges in microbial film two districts 18, is provided with anaerobic ammonium oxidation granular sludge in described granule sludge district 19; The second described exhalant region 21 is connected with water outlet 22 and rising pipe 23 by the overflow weir that is arranged at reactor top; The reactor body 1 on described 20 right sides, the second settling region is provided with the mud discharging mouth 24 with valve 25.
Further, reactor body 1 top on described 5 right sides, Anammox unit is provided with venting port 26, and reactor body 1 top of described 5 left sides, Anammox unit and described short distance nitration unit 4 is respectively arranged with carrier and adds mouth 27.
Further, described reactor body 1 is cuboid, and height, the length and width ratio of reactor body are: 1:1.5～2:0.8～1, and the volume ratio of described short distance nitration unit 4 and Anammox unit 5 is: 1:2～3.
Further, described short distance nitration unit 4 is cuboid, and high and the ratio of length are 2～5:1, between described inhalant region 6 and reaction zone 7 taking the liquid level of intaking as boundary, between described reaction zone 7 and the first exhalant region 8 taking aeration head 12 as boundary.
Further, the width of first, second and third described traverse baffle with the ratio of the width of reactor body 1 is: 0.3～0.6:1, the length of first, second and third described traverse baffle and the length ratio of reactor body 1 are: 0.6～0.8:1
Further, described water-in 10 tops apart from the distance L 1 at reactor body 1 top with the length ratio of reactor body 1 are: 1:8～10, water-in 10 inner diameter d 1 with the length ratio of reactor body are: 1:10～20.
Further, described microbial film one district 17 is 1:0.6～0.8 with the microbial film two shared volume sums in district 18 with the ratio of the shared volume in granule sludge district 19; The described shared volume in granule sludge district 19 with the ratio of the second settling region 20, the second shared volume sum in exhalant region 21 is: 1:0.6～0.8.
Reactor body of the present invention can be built by synthetic glass or steel plate.Light carrier through biofilm directly adds the reaction zone in short distance nitration unit from reactor body top.Waste water fully mixes, reacts with bio-carrier and air in reaction zone at once after being entered by water-in, completes short distance nitration reaction.Waste water enters Anammox unit behind short distance nitration unit, metabolism by the anaerobic ammonia oxidizing bacteria in microbial film one district, microbial film 2nd district and granule sludge district realizes multistage autotrophic denitrification, the granule sludge that is brought into settling region is effectively separated, and relies on gravity settling to return to reaction zone.Water outlet is discharged through settling region overflow weir.
Content described in this specification sheets embodiment is only enumerating of way of realization to 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 and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.
Claims (7)
1. an integrated deflector type autotrophic type biological denitrification reactor, comprise reactor body, base and support, described reactor body and support are all installed on described base, it is characterized in that: described reactor body is provided with the first traverse baffle, described reactor body is separated into short distance nitration unit and Anammox unit by the first described traverse baffle, the described upper end of the first traverse baffle and the top of reactor body are connected, and gap is left in the bottom of lower end and reactor body;
Described short distance nitration unit is divided into inhalant region, reaction zone, the first exhalant region and the first settling region from top to bottom, and described top, inhalant region is provided with the water-in being connected with water inlet pipe; Described bottom, reaction zone is provided with aeration head, described aeration head is connected with the aeration tube through hollow aeration guide wire, inhalant region and the reaction zone of the short distance nitration unit described in described hollow aeration guide wire runs through, described hollow aeration guide wire is fixed on described support by fastening piece; The first exhalant region of described short distance nitration unit is communicated with described Anammox unit;
Described Anammox unit is from left to right divided into microbial film one district, microbial film 2nd district, granule sludge district, the second settling region and the second exhalant region; Between described microbial film 2nd district and granule sludge district, be provided with the second traverse baffle, between described granule sludge district and the second settling region, be provided with the 3rd traverse baffle; Space is left at the second described traverse baffle upper end and the top of reactor body, and lower end is connected with the bottom of reactor body; Described the 3rd upper end of traverse baffle and the top of reactor body are connected, and gap is left in the bottom of lower end and reactor body; In described microbial film one district, activated carbon fiber carrier is set, in described microbial film 2nd district, elastic solid filler is set, in described granule sludge district, be provided with anaerobic ammonium oxidation granular sludge; The second described exhalant region is connected with water outlet and rising pipe by the overflow weir that is arranged at reactor right-hand member top; The reactor body on the second described right side, settling region is provided with the mud discharging mouth with valve.
2. the integrated deflector type autotrophic type of one as claimed in claim 1 biological denitrification reactor, it is characterized in that: the reactor body top on described right side, Anammox unit is provided with venting port, the reactor body top of described left side, Anammox unit and described short distance nitration unit is respectively arranged with carrier and adds mouth.
3. the integrated deflector type autotrophic type of one as claimed in claim 2 biological denitrification reactor, it is characterized in that: described reactor body is cuboid, height, the length and width ratio of reactor body are 1:1.5～2:0.8～1, and the volume ratio of described short distance nitration unit and Anammox unit is 1:2～3.
4. the integrated deflector type autotrophic type of one as claimed in claim 3 biological denitrification reactor, it is characterized in that: described short distance nitration unit is cuboid, height is 2～5:1 with the ratio of length, between described inhalant region and reaction zone taking water inlet liquid level as boundary, between described reaction zone and the first exhalant region taking aeration head as boundary.
5. the integrated deflector type autotrophic type of one as claimed in claim 4 biological denitrification reactor, it is characterized in that: the described width of first, second and third traverse baffle and the ratio of the width of reactor body are 0.3～0.6:1, and the described length of first, second and third traverse baffle and the length ratio of reactor body are 0.6～0.8:1
6. the integrated deflector type autotrophic type of one as claimed in claim 5 biological denitrification reactor, it is characterized in that: described water-in top is 1:8～10 apart from the distance L 1 at reactor body top with the length ratio of reactor body, and water-in inner diameter d 1 is 1:10～20 with the length ratio of reactor body.
7. the integrated deflector type autotrophic type of one as claimed in claim 6 biological denitrification reactor, is characterized in that: described microbial film one district is 1:0.6～0.8 with the microbial film two shared volume sums in district with the ratio of the shared volume in granule sludge district; The described shared volume in granule sludge district is 1:0.6～0.8 with the ratio of the second settling region, the second shared volume sum in exhalant region.
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| CN104045202B (en) * | 2014-05-22 | 2015-12-30 | 杭州师范大学 | A kind of integral type denitrification of autotrophic organism works in coordination with chemical dephosphorizing reactor |
| CN106554080B (en) * | 2015-09-30 | 2019-06-11 | 中国石油化工股份有限公司 | A kind of short-cut nitrification and denitrification biomembrane denitrogenation reactor and rapid biofilm method |
| CN105936546A (en) * | 2016-05-27 | 2016-09-14 | 杭州师范大学 | Integrated carbon and nitrogen removal bioreactor |
| CN106495409B (en) * | 2016-12-09 | 2019-04-05 | 南京工业大学 | Bypass fresh water activating method for raw water in black and odorous riverway |
| CN108439588B (en) * | 2018-02-01 | 2021-02-02 | 哈尔滨工业大学 | Plug flow type reaction device and method for stable operation of nitrosation-anaerobic ammonia oxidation process |
| CN110407410B (en) * | 2019-07-31 | 2024-04-26 | 华南理工大学 | Wastewater treatment device and method based on biomembrane particle sludge reactor |
| CN111977789A (en) * | 2020-08-21 | 2020-11-24 | 南昌航空大学 | High-speed denitrification device for rare earth ore wastewater and application method thereof |
| CN111925913A (en) * | 2020-08-28 | 2020-11-13 | 桂林理工大学 | Method for culturing anaerobic ammonium oxidation bacteria |
| CN114906930A (en) * | 2021-02-08 | 2022-08-16 | 清华大学 | Water treatment system |
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