CN103601293A - Tower-type bioreactor synchronously removing carbon, nitrogen and sulfur - Google Patents
Tower-type bioreactor synchronously removing carbon, nitrogen and sulfur Download PDFInfo
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- CN103601293A CN103601293A CN201310470142.XA CN201310470142A CN103601293A CN 103601293 A CN103601293 A CN 103601293A CN 201310470142 A CN201310470142 A CN 201310470142A CN 103601293 A CN103601293 A CN 103601293A
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Abstract
The invention discloses a tower-type bioreactor synchronously removing carbon, nitrogen and sulfur. The bioreactor comprises a reactor body. The reactor body is divided from bottom to top an anaerobic zone, an anoxic zone and an aerobic zone. A plurality of baffles which are vertically staggered are disposed in the anaerobic zone, the anoxic zone and the aerobic zone. The right side of the anaerobic zone is provided with a filling-material bed. Anaerobic ammonium-oxidizing granular sludge and autotrophic/heterotrophic denitrifying granular sludge are respectively added into the anaerobic zone and the anoxic zone. A shortcut nitrification light biological carrier is added into the aerobic zone and the aerobic zone is provided with a plurality of groups of aeration systems. The right side of the anoxic zone is communicated with the aerobic zone through gaps. According to the bioreactor, synchronous removal of the carbon, the nitrogen and the sulfur can be achieved in the single bioreactor. The bioreactor is compact in structure and can recover elemental sulfur resource.
Description
Technical field
The present invention relates to a kind of synchronous removal carbon, nitrogen, the tower bio-reactor of sulphur.
Background technology
Along with socioeconomic development, be rich in a large number the complicated waste water of organism, ammonia nitrogen and sulfide, as chemical production wastewater, processing of farm products waste water, anaerobic digestion solution etc., enter in natural water, cause very serious water pollution problems.
Traditional biological treatment technology containing organism, ammonia nitrogen and waste water sulfide is mainly multistep combination process simultaneously.Organism in waste water is mainly removed by anaerobic digestion and aerobic activated sludge technique; Ammonia nitrogen pollutant is mainly removed by biological process, and conventional biological treatment is mainly nitrated-denitrification process; The traditional treatment method of sulfide mainly contains chemical precipitation method and the aerobic oxidation method of air lift method, additional slaked lime.
Over nearly 20 years, various new denitrogenation and sulphur removal coupling technique have been emerged in large numbers in the world.First short distance nitration-denitrification process, this technique is not only saved considerable aeration energy consumption in short distance nitration operation, can also realize in the heterotrophic denitrification stage the synchronous removal of carbon and nitrogen; It two is short distance nitration-anaerobic ammoxidation technique, and this technique is accepted by the public gradually because of its economical and efficient; It three is autotrophic denitrification technique, this technology utilization functional microorganism thiobacillus denitrificans (Thiobacillus denitrificans) is under anoxia condition, take nitrate or nitrite as electron acceptor(EA), take sulfide as electron donor, carry out autotrophic denitrification effect, not only realize the synchronous removal of nitrogen and sulphur, can also reclaim elemental sulfur resource.
If above-mentioned novel process is organically combined, both can reduce the aeration energy consumption of traditional aerobic de-carbon technique and complete nitrification technique, also can in denitrification process, using sulfide as auxiliary electron donor, solve the problem of carbon source deficiency, reach the ideal effect of waste recycling, the multistage utilization of refuse.
Summary of the invention
In order to overcome the single shortcoming of existing tower bioreactor function, the invention provides a kind of synchronous removal carbon, nitrogen, tower bio-reactor of sulphur of realizing autotrophic denitrification, heterotrophic denitrification, short distance nitration, the coupling of Anammox multistep technique.
The present invention arranges by configuration cleverly, in single tower bio-reactor, realize the coupling of autotrophic denitrification, heterotrophic denitrification, short distance nitration, Anammox multistep technique, carbon in waste water, nitrogen, amounts of sulphur contaminants are separately converted to carbonic acid gas, nitrogen and elemental sulfur, realize synchronous carbon, nitrogen, removal of sulphur recyclable elemental sulfur resource.
The technical solution used in the present invention is:
A kind of synchronous removal carbon, nitrogen, the tower bio-reactor of sulphur, comprise reactor body, base, vertical rack and horizontal stand, described reactor body, vertical rack are all installed on described base, the two ends of described horizontal stand are installed on described vertical rack, it is characterized in that: described reactor body is divided into anaerobic zone, oxygen-starved area and aerobic zone from bottom to top, the baffle plate that the inside of anaerobic zone described above, oxygen-starved area and aerobic zone is provided with described in some baffle plates and some shifts to install up and down; The bottom of described anaerobic zone, oxygen-starved area and aerobic zone arranges respectively mud discharging mouth, and the middle lower end of described anaerobic zone, oxygen-starved area and aerobic zone arranges respectively thief hole;
The right side of described anaerobic zone is provided with bed of packings, and the lower end, right side of described bed of packings is provided with total water outlet, and described total water outlet connects rising pipe, and described rising pipe is fixed on described vertical rack by fastening piece;
In the left side of described oxygen-starved area, lower end is provided with total water inlet; In described anaerobic zone and oxygen-starved area, add respectively anaerobic ammonium oxidation granular sludge and autotrophy/heterotrophic denitrification granule sludge;
In described aerobic zone, add short distance nitration lightweight bio-carrier, and be provided with some groups of aerating systems, aerating system described in every group consists of the aeration head that is arranged on the aeration tube on top, aerobic zone and be connected with aeration tube by hollow aeration guide wire, and described hollow aeration guide wire is fixed on horizontal stand by fastening piece;
The right side of described oxygen-starved area connects by breach and aerobic zone, and the left side of described aerobic zone is provided with aerobic zone water outlet, and described aerobic zone water outlet is communicated with oxygen-starved area refluxing opening and anaerobic zone water-in respectively by sewage backflow pipe, anaerobic zone water inlet pipe.
Further, described reactor body is cube structure; The ratio of the length of described reactor body is: 1:0.7～0.9:3～4, the ratio of the volume of described anaerobic zone, oxygen-starved area and aerobic zone is: 1:0.8～1:1～1.2.
Further, the length L of described baffle plate
1with the ratio of the height of reactor body be: 1:3.5～4, the width L of baffle plate
2with the wide ratio of reactor body be: 1:1, described anaerobic zone, the distance L between the baffle plate in oxygen-starved area
3length L with baffle plate
1ratio be respectively 1:8～10; Distance L between described aerobic zone Internal baffle
4length L with baffle plate
1ratio be 1:3～8.
Further, the circular filler of soft polyethylene is set in described bed of packings.
Further, described total water outlet below is apart from the distance L of reactor body bottom
5with the ratio of the height of reactor body be: 1:25～30; Described total water inlet lower end is far from the distance L of bottom, oxygen-starved area
6with the ratio of the height of reactor body be: 1:25～30.
Further, described water outlet lower end, aerobic zone is far from the distance L of bottom, oxygen-starved area
7with the ratio of the height of reactor body be: 1:25～30.
Further, described refluxing opening upper end, oxygen-starved area is far from the distance L at top, oxygen-starved area
8with the ratio of the height of reactor body be: 1:25～30; Described water-in upper end, anaerobic zone is far from the distance L at top, anaerobic zone
9with the ratio of the height of reactor body be: 1:25～30.
Beneficial effect of the present invention is embodied in: 1) in single tower bio-reactor, complete the synchronous removal of carbon, nitrogen, amounts of sulphur contaminants, structure of reactor is compact; 2) recyclable elemental sulfur resource; 3) in reactor, arrange in different subregions and each subregion multistage baffle plate is set, can realize functional segregation and the optimization in each district; 4) in reactor aerobic zone, add light carrier, less aeration rate can be realized bed turbulence, and energy consumption is lower.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Embodiment
With reference to Fig. 1, a kind of synchronous removal carbon, nitrogen, the tower bio-reactor of sulphur, comprise reactor body 1, base, vertical rack 2 and horizontal stand, described reactor body 1, vertical rack 2 are all installed on described base, the two ends of described horizontal stand are installed on described vertical rack 2, described reactor body 1 is divided into anaerobic zone 3, oxygen-starved area 4 and aerobic zone 5 from bottom to top, and the baffle plate 6 that the inside of anaerobic zone 3 described above, oxygen-starved area 4 and aerobic zone 5 is provided with described in some baffle plates 6 and some shifts to install up and down; The bottom of described anaerobic zone 3, oxygen-starved area 4 and aerobic zone 5 arranges respectively mud discharging mouth 7, and the middle lower end of described anaerobic zone 3, oxygen-starved area 4 and aerobic zone 5 arranges respectively thief hole 8;
The right side of described anaerobic zone 3 is provided with bed of packings 9, and the lower end, right side of described bed of packings 9 is provided with total water outlet 10, and described total water outlet 10 connects rising pipe 11, and described rising pipe 11 is fixed on described vertical rack 2 by fastening piece 12;
In the left side of described oxygen-starved area 4, lower end is provided with total water inlet 13; Interior anaerobic ammonium oxidation granular sludge and the autotrophy/heterotrophic denitrification granule sludge of adding respectively in described anaerobic zone 3 and oxygen-starved area 4;
Described aerobic zone 5 interior interpolation short distance nitration lightweight bio-carrier, and be provided with three groups of aerating systems, aerating system described in every group consists of the aeration head 16 that is arranged on the aeration tube 14 on 5 tops, aerobic zone and be connected with aeration tube 14 by hollow aeration guide wire 15, and described hollow aeration guide wire 15 is fixed on horizontal stand by fastening piece 12;
The right side of described oxygen-starved area 4 connects by breach 17 and aerobic zone 5, the left side of described aerobic zone 5 is provided with aerobic zone water outlet 18, and described aerobic zone water outlet 18 is communicated with oxygen-starved area refluxing opening 20 and anaerobic zone water-in 22 respectively by sewage backflow pipe 19, anaerobic zone water inlet pipe 21.
Further, described reactor body 1 is cube structure; The ratio of the length of described reactor body 1 is: 1:0.7～0.9:3～4, the ratio of the volume of described anaerobic zone 3, oxygen-starved area 4 and aerobic zone 5 is: 1:0.8～1:1～1.2.
Further, the length L of described baffle plate 6
1with the ratio of the height of reactor body be: 1:3.5～4, the width L of baffle plate 6
2with the wide ratio of reactor body be: 1:1, described anaerobic zone 3, the distance L between the baffle plate in oxygen-starved area 4
3length L with baffle plate
1ratio be respectively 1:8～10; Distance L between described aerobic zone 5 Internal baffles
4length L with baffle plate
1ratio be 1:3～8.
Further, the interior circular filler of soft polyethylene that arranges of described bed of packings 9.
Further, described total water outlet 10 belows are apart from the distance L of reactor body bottom
5with the ratio of the height of reactor body be: 1:25～30; Described total water inlet 13 lower ends are far from the distance L of bottom, oxygen-starved area
6with the ratio of the height of reactor body be: 1:25～30.
Further, described aerobic zone water outlet 18 lower ends are far from the distance L of bottom, oxygen-starved area
7with the ratio of the height of reactor body be: 1:25～30.
Further, described oxygen-starved area refluxing opening 20 upper ends are far from the distance L at top, oxygen-starved area
8with the ratio of the height of reactor body be: 1:25～30; Described anaerobic zone water-in 22 upper ends are far from the distance L at top, anaerobic zone
9with the ratio of the height of reactor body be: 1:25～30.
Reactor of the present invention can be built by synthetic glass or steel plate.The baffle plate 6 that waste water passes through oxygen-starved area 4 interior settings after being entered by total water inlet 13 is under the effect of autotrophy/heterotrophic denitrification granule sludge, muddy water fully mixes, utilize the organism and the sulfide that in water inlet, contain, and reflux from the nitrite of aerobic zone, generation is usingd sulfide and organism as autotrophy/heterotrophic denitrification reaction of electron donor, realizes the synchronous removal of carbon, nitrogen, sulphur; Waste water after process oxygen-starved area enters aerobic zone 5 by breach 17, and the inner three groups of aerating systems that arrange in aerobic zone 5 can provide oxygen, and the aerobic ammonia-oxidizing bacteria in short distance nitration lightweight bio-carrier is nitrite by the mineralized nitrogen in waste water; A part of return of waste water that aerobic zone water outlet 18 is drawn is to oxygen-starved area 4, for denitrification provides electron acceptor(EA) (nitrite); Another part waste water that aerobic zone water outlet 18 is drawn is through anaerobic zone water inlet pipe 21, by anaerobic zone water-in 22, enter anaerobic zone 3, in anaerobic zone 3, the mineralized nitrogen of the unreacted containing in the nitrite that anaerobic ammonium oxidation granular sludge generates aerobic zone 5 reactions, waste water is nitrogen, and treated sewage is discharged by rising pipe 11 after bed of packings 9.In reactor, sewage, by potential energy automatic back flow, through multiple-stage treatment, finally completes the synchronous processing of organism, ammonia nitrogen, sulfide, and each reaction zone arranges independently mud discharging mouth 7, and spoil disposal as required, to keep high sludge activity; 6, the multistage baffle plate in each district is equipped with independently thief hole 8, the operation of the convenient reactor of monitoring in real time.
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 is also and in those skilled in the art, according to the present invention, conceive the equivalent technologies means that can expect.
Claims (7)
1. synchronously remove carbon, nitrogen, the tower bio-reactor of sulphur for one kind, comprise reactor body, base, vertical rack and horizontal stand, described reactor body, vertical rack are all installed on described base, the two ends of described horizontal stand are installed on described vertical rack, it is characterized in that: described reactor body is divided into anaerobic zone, oxygen-starved area and aerobic zone from bottom to top, the baffle plate that the inside of anaerobic zone described above, oxygen-starved area and aerobic zone is provided with described in some baffle plates and some shifts to install up and down; The bottom of described anaerobic zone, oxygen-starved area and aerobic zone arranges respectively mud discharging mouth, and the middle lower end of described anaerobic zone, oxygen-starved area and aerobic zone arranges respectively thief hole;
The right side of described anaerobic zone is provided with bed of packings, and the lower end, right side of described bed of packings is provided with total water outlet, and described total water outlet connects rising pipe, and described rising pipe is fixed on described vertical rack by fastening piece;
In the left side of described oxygen-starved area, lower end is provided with total water inlet; In described anaerobic zone and oxygen-starved area, add respectively anaerobic ammonium oxidation granular sludge and autotrophy/heterotrophic denitrification granule sludge;
In described aerobic zone, add short distance nitration lightweight bio-carrier, and be provided with some groups of aerating systems, aerating system described in every group consists of the aeration head that is arranged on the aeration tube on top, aerobic zone and be connected with aeration tube by hollow aeration guide wire, and described hollow aeration guide wire is fixed on horizontal stand by fastening piece;
The right side of described oxygen-starved area connects by breach and aerobic zone, and the left side of described aerobic zone is provided with aerobic zone water outlet, and described aerobic zone water outlet is communicated with oxygen-starved area refluxing opening and anaerobic zone water-in respectively by sewage backflow pipe, anaerobic zone water inlet pipe.
2. a kind of synchronous removal carbon as claimed in claim 1, nitrogen, the tower bio-reactor of sulphur, is characterized in that: described reactor body is cube structure; The ratio of the length of described reactor body is: 1:0.7～0.9:3～4, the ratio of the volume of described anaerobic zone, oxygen-starved area and aerobic zone is: 1:0.8～1:1～1.2.
3. a kind of synchronous removal carbon as claimed in claim 2, nitrogen, the tower bio-reactor of sulphur, is characterized in that: the length L of described baffle plate
1with the ratio of the height of reactor body be: 1:3.5～4, the width L of baffle plate
2with the wide ratio of reactor body be: 1:1, described anaerobic zone, the distance L between the baffle plate in oxygen-starved area
3length L with baffle plate
1ratio be respectively 1:8～10; Distance L between described aerobic zone Internal baffle
4length L with baffle plate
1ratio be 1:3～8.
4. a kind of synchronous removal carbon as claimed in claim 3, nitrogen, the tower bio-reactor of sulphur, is characterized in that: the circular filler of soft polyethylene is set in described bed of packings.
5. a kind of synchronous removal carbon as claimed in claim 4, nitrogen, the tower bio-reactor of sulphur, is characterized in that: described total water outlet below is apart from the distance L of reactor body bottom
5with the ratio of the height of reactor body be: 1:25～30; Described total water inlet lower end is far from the distance L of bottom, oxygen-starved area
6with the ratio of the height of reactor body be: 1:25～30.
6. a kind of synchronous removal carbon as claimed in claim 5, nitrogen, the tower bio-reactor of sulphur, is characterized in that: described water outlet lower end, aerobic zone is far from the distance L of bottom, oxygen-starved area
7with the ratio of the height of reactor body be: 1:25～30.
7. a kind of synchronous removal carbon as claimed in claim 6, nitrogen, the tower bio-reactor of sulphur, is characterized in that: described refluxing opening upper end, oxygen-starved area is far from the distance L at top, oxygen-starved area
8with the ratio of the height of reactor body be: 1:25～30; Described water-in upper end, anaerobic zone is far from the distance L at top, anaerobic zone
9with the ratio of the height of reactor body be: 1:25～30.
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Cited By (7)
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| CN103936173A (en) * | 2014-04-15 | 2014-07-23 | 华东师范大学 | Autotrophic denitrifying nitrogen-removal reaction device, denitrification system and denitrification method of denitrification system |
| CN105366808A (en) * | 2015-11-17 | 2016-03-02 | 杭州师范大学 | Tricyclic type synchronous carbon removal and denitrification biological reactor |
| CN105668788A (en) * | 2016-01-28 | 2016-06-15 | 浦华环保股份有限公司 | Activated sludge biochemical pond |
| CN108298690A (en) * | 2018-05-04 | 2018-07-20 | 中国海洋大学 | Integral part nitrosation-anaerobic ammoxidation inclined plate enhanced biological reactor |
| CN110304727A (en) * | 2019-08-12 | 2019-10-08 | 鹏鹞环保股份有限公司 | A kind of sleeve structure ultra-large type assembled circulation flow reactor |
| CN112875979A (en) * | 2020-12-31 | 2021-06-01 | 南京化工园博瑞德水务有限公司 | Biodegradation device for wastewater containing hydroxyethyl cellulose and addition product thereof |
| CN114477444A (en) * | 2022-04-19 | 2022-05-13 | 北京涞澈科技发展有限公司 | Autotrophic and heterotrophic synergetic denitrification integrated device and sewage treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936173A (en) * | 2014-04-15 | 2014-07-23 | 华东师范大学 | Autotrophic denitrifying nitrogen-removal reaction device, denitrification system and denitrification method of denitrification system |
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| CN112875979A (en) * | 2020-12-31 | 2021-06-01 | 南京化工园博瑞德水务有限公司 | Biodegradation device for wastewater containing hydroxyethyl cellulose and addition product thereof |
| CN114477444A (en) * | 2022-04-19 | 2022-05-13 | 北京涞澈科技发展有限公司 | Autotrophic and heterotrophic synergetic denitrification integrated device and sewage treatment method |
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