CN203256030U - Anaerobic bioreactor for enhancing wastewater treatment - Google Patents
Anaerobic bioreactor for enhancing wastewater treatment Download PDFInfo
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- CN203256030U CN203256030U CN2013202879298U CN201320287929U CN203256030U CN 203256030 U CN203256030 U CN 203256030U CN 2013202879298 U CN2013202879298 U CN 2013202879298U CN 201320287929 U CN201320287929 U CN 201320287929U CN 203256030 U CN203256030 U CN 203256030U
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Abstract
The utility model relates to an anaerobic bioreactor for enhancing wastewater treatment, which comprises a reactor shell, wherein a biological enhancement layer, an upflow sludge layer, a filler layer and a three-phase separator are arranged in the reactor shell respectively from bottom to top; the biological enhancement layer comprises a reaction layer filled with zero-valent iron and a sludge biological film on the zero-valent iron reaction layer; and the filler layer is a filling layer filled with polyester sponge. According to the anaerobic bioreactor provided by the utility model, the biological enhancement layer comprises the zero-valent iron and the sludge biological film formed thereon; the zero-valent iron has a larger specific surface area and higher reducing activity in combination with the formed biological film; due to the stirring of water flow and bubbles, the upflow sludge layer is formed at the upper part of the biological enhancement layer; and in order to prevent sludge loss and shorten the reactor starting time, the filler layer is arranged at the upper part of the upflow sludge layer, thus the sludge detention time is increased.
Description
Technical field
The utility model relates to a kind of anaerobic biological reactor of strengthening wastewater treatment, belongs to the technical field of environment protection.
Background technology
Developing rapidly of the industry such as chemical fertilizer, oil produced a large amount of high-concentration waste waters, and ammonia nitrogen in high density wherein often becomes difficulty in treatment, and these waste water become the important factor of restriction industry development.As deal with improperly, the discharging of these waste water often causes physics, chemistry and the biological property of water body to change, and causes oxygen in water to descend, the hydrobiont mortality, and produce rancid smell, and not only cause very big harm to environment, bring about great losses also for economy and society.Take ammonia nitrogen waste water as example, treatment process mainly contains physico-chemical process and biological process at present.The physico-chemical process energy consumption is higher, and has the secondary pollution problem; The high ammonia-nitrogen wastewater of low BOD/TKN value use traditional nitrated-during the denitrification bioprocess technology, must add organic carbon to realize complete denitrification.Since oxygen supply and the denitrifying organic carbon demand of aerobic nitrification, the excess sludge that in addition produces, and traditional biological denitrification operation cost is often higher.Comparatively speaking, the Anammox technology is oxidized to nitrogen with ammonia nitrogen take nitrite as electron acceptor(EA) under anoxia condition, and is accompanied by solid carbon process, and this technique does not need to add external carbon source, can avoid so organic incomplete conversion; Do not need aeration, can save 60% energy consumption, cause the greatly saving of running cost; Biomass yield is low, can reduce excess sludge and process load.
Yet anaerobic bacterium has low growth velocity usually, needs strict growth metabolism condition, and it uses the tediously long of the shortage that generally is subject to enrichment mud and start time.Dissimilar reactors are used to reduce washing out of the interior anerobe of reactor, this is comprising continuous-stirring reactor, anaerobe filtration reactor, sequencing batch reactor, upflow-type reactor and membrane bioreactor etc., yet existing reactor all faces the serious problem of sludge loss in initial start stage.
The utility model content
For the technical deficiency that prior art exists, the utility model provides the cultivation of a kind of microorganism, the anaerobic biological reactor of reinforcement wastewater treatment.The utility model the residence time of effectively improving mud, improves ability and effluent quality that reactor is removed pollutent by transforming interlayer structure and the filler of reactor; Promote simultaneously microbic activity, shorten the cycle that Enrichment of bacteria is cultivated, realize starting fast the purpose of reactor.
The term explanation:
Zero-valent Iron: have that specific surface area is large, specific surface energy is high, reductibility is strong and the characteristics such as the physical adsorption performance is superior, it is a kind of efficient oxygen scavenger, it can improve microorganism active by improvement microhabital, and microorganism can grow in the Zero-valent Iron space, form microbial film, help to improve reactor contaminant removal capacity and effluent quality.
The polyester sponge: the performances such as erosion resistance, shock strength and perviousness are fine, place suspended sludge layer top can effectively prevent sludge loss, and then keep the concentration of microorganism in the mud, and the startup that improves reactor is played an important role.
The technical solution of the utility model is as follows:
A kind of anaerobic biological reactor of strengthening wastewater treatment, comprise shell of reactor, in described shell of reactor, comprise and from bottom to top be respectively arranged with biological reinforced layer, the up-flow sludge blanket, packing layer and triphase separator, be provided with the air outlet on triphase separator top, be provided with water-in is connected with described biological reinforced layer in the bottom of described shell of reactor, at described shell of reactor sidewall thief hole being set is connected with described up-flow sludge blanket, set out the mouth of a river and circulating outlet is connected with the top of described shell of reactor respectively at described shell of reactor sidewall, the level attitude of described water outlet is higher than the level attitude of described circulating outlet; Between described up-flow sludge blanket and packing layer, be provided with dividing plate.
Preferred according to the utility model, described biological reinforced layer comprises the responding layer that is filled with Zero-valent Iron.
Preferred according to the utility model, described biological reinforced layer also is included in the sludge organism film on the described Zero-valent Iron responding layer.
Preferred according to the utility model, described packing layer is the packing layer that is filled with the polyester sponge.
Preferred according to the utility model, described shell of reactor is straight shape pipe, the altitude range of described straight shape pipe: 0.8-10m, the inside diameter ranges of described straight shape pipe: 10-50cm.
Preferred according to the utility model, the described floor height scope that is filled with the responding layer of Zero-valent Iron: 1-60cm.
Preferred according to the utility model, the described floor height scope that is filled with the packing layer of polyester sponge: 5-60cm.
Biological reinforced layer in a kind of anaerobic biological reactor of strengthening wastewater treatment described in the utility model comprises Zero-valent Iron and forms the sludge organism film thereon, Zero-valent Iron has larger specific surface area and higher reducing activity, add the microbial film of formation, greatly improved anaerobic reaction efficient.Because the stirring of current and bubble has formed the up-flow sludge blanket on biological reinforced layer top; For preventing sludge loss, shorten the reactor start-up time, the top of up-flow sludge blanket be provided with packing layer, improve sludge retention time; Top at described reactor is provided with triphase separator, plays the effect of solid, liquid, gas three phase separation.
Technical characterstic of the present utility model and excellent results are as follows:
1, is provided with biological reinforced layer in the reactor described in the utility model, is used for removing the micro amount of oxygen of reactor, make and form the strictly anaerobic environment in the reactor.
2, the Zero-valent Iron responding layer that arranges in the reactor described in the utility model, the characteristics such as the specific surface area that wherein said Zero-valent Iron is larger and stronger physical adsorption, be beneficial to and form the sludge organism film, and then increase pollutent and microorganism duration of contact, enhanced biological treatment effect.
3, the utility model has effectively changed microhabital in the reactor, has improved microorganism active, so that anaerobic reaction speed improves greatly.
4, the utility model is provided with the packing layer of polyester sponge in reactor, place between up-flow sludge blanket and the triphase separator, effectively prevent sludge loss, strengthen the mud-water separation effect, thereby the density of microorganism in the assurance mud, so that the reaction of low growth rate anaerobion can continue to carry out efficiently.
5, the utility model Effective Raise is processed load, has preferably water treatment effect, not only can be applicable to the operation of anaerobic ammonia oxidation process, also is applicable to other Anaerobic treatment techniques.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment 1;
Among Fig. 1,1. water-in, 2. biological reinforced layer, 3. up-flow sludge blanket, 4. packing layer, 5. circulating outlet, 6. triphase separator, 7. air outlet, 8. water outlet, 9. thief hole, 10. dividing plate, 11. shell of reactor.
Embodiment:
Also by reference to the accompanying drawings the utility model is described further below by specific embodiment, but is not limited to this.
Embodiment
A kind of anaerobic biological reactor of strengthening wastewater treatment, comprise shell of reactor 11, in described shell of reactor 11, comprise and from bottom to top be respectively arranged with biological reinforced layer 2, up-flow sludge blanket 3, packing layer 4 and triphase separator 6, be provided with air outlet 7 on triphase separator 6 tops, be provided with water-in 1 is connected with described biological reinforced layer 2 in the bottom of described shell of reactor 11, at described shell of reactor 11 sidewalls thief hole 9 being set is connected with described up-flow sludge blanket 3, set out the mouth of a river 8 and circulating outlet 5 is connected with the top of described shell of reactor 11 respectively at described shell of reactor 11 sidewalls, the level attitude of described water outlet 8 is higher than the level attitude of described circulating outlet 5; Between described up-flow sludge blanket 3 and packing layer 4, be provided with dividing plate 10.
Described biological reinforced layer 2 comprises the responding layer that is filled with Zero-valent Iron.The described biological reinforced layer 2 sludge organism film that also is included on the described Zero-valent Iron responding layer.Described packing layer 4 is for being filled with the packing layer of polyester sponge.
Described shell of reactor 11 is straight shape pipe, its height: 1m, its internal diameter: 15cm.The described floor height that is filled with the responding layer of Zero-valent Iron is: 10cm.The described floor height that is filled with the packing layer of polyester sponge is: 10cm.
By entering reactor by shell of reactor 11 bottom water-ins 1, discharge by air outlet 7 by the gas of generation by circulating outlet 5 aggregation process water samples for recirculated water, and the cleaning water sample is discharged by water outlet 8 after processing, and the reactor different depths arranges a plurality of thief holes 9.Reactor water inlet and recirculated water are controlled by water pump.
Claims (7)
1. anaerobic biological reactor of strengthening wastewater treatment, it is characterized in that, this reactor comprises shell of reactor, in described shell of reactor, comprise and from bottom to top be respectively arranged with biological reinforced layer, the up-flow sludge blanket, packing layer and triphase separator, be provided with the air outlet on triphase separator top, be provided with water-in is connected with described biological reinforced layer in the bottom of described shell of reactor, at described shell of reactor sidewall thief hole being set is connected with described up-flow sludge blanket, set out the mouth of a river and circulating outlet is connected with the top of described shell of reactor respectively at described shell of reactor sidewall, the level attitude of described water outlet is higher than the level attitude of described circulating outlet; Between described up-flow sludge blanket and packing layer, be provided with dividing plate.
2. a kind of anaerobic biological reactor of strengthening wastewater treatment according to claim 1 is characterized in that, described biological reinforced layer comprises the responding layer that is filled with Zero-valent Iron.
3. a kind of anaerobic biological reactor of strengthening wastewater treatment according to claim 2 is characterized in that, described biological reinforced layer also is included in the sludge organism film on the described Zero-valent Iron responding layer.
4. a kind of anaerobic biological reactor of strengthening wastewater treatment according to claim 1 is characterized in that, described packing layer is the packing layer that is filled with the polyester sponge.
5. a kind of anaerobic biological reactor of strengthening wastewater treatment according to claim 1 is characterized in that, described shell of reactor is straight shape pipe, the altitude range of described straight shape pipe: 0.8-10m, the inside diameter ranges of described straight shape pipe: 10-50cm.
6. a kind of anaerobic biological reactor of strengthening wastewater treatment according to claim 2 is characterized in that, the described layer height scope that is filled with the responding layer of Zero-valent Iron: 1-60cm.
7. a kind of anaerobic biological reactor of strengthening wastewater treatment according to claim 4 is characterized in that, the described layer height scope that is filled with the packing layer of polyester sponge: 5-60cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202879298U CN203256030U (en) | 2013-05-24 | 2013-05-24 | Anaerobic bioreactor for enhancing wastewater treatment |
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| CN2013202879298U CN203256030U (en) | 2013-05-24 | 2013-05-24 | Anaerobic bioreactor for enhancing wastewater treatment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236565A (en) * | 2015-07-02 | 2016-01-13 | 中国环境科学研究院 | Magnetic-field-strengthening method for increasing COD (Chemical Oxygen Demand) removal efficiency of anaerobic wastewater treatment by iron powder |
| CN106517489A (en) * | 2016-11-09 | 2017-03-22 | 华南农业大学 | Fe<0>-containing high-polymer biological membrane filling as well as preparation method and application thereof |
| CN110668565A (en) * | 2019-09-11 | 2020-01-10 | 青岛理工大学 | Reelpipe type sludge sampling and activity evaluation device for anaerobic reactor and working method thereof |
| CN110803764A (en) * | 2019-12-02 | 2020-02-18 | 江苏蓝必盛化工环保股份有限公司 | Device for treating chemical wastewater by using zero-valent iron reinforced ABR (anaerobic baffled reactor) |
| CN115432800A (en) * | 2022-09-19 | 2022-12-06 | 延长油田股份有限公司 | Preparation method of slow-release water deoxidant, product and application thereof |
-
2013
- 2013-05-24 CN CN2013202879298U patent/CN203256030U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236565A (en) * | 2015-07-02 | 2016-01-13 | 中国环境科学研究院 | Magnetic-field-strengthening method for increasing COD (Chemical Oxygen Demand) removal efficiency of anaerobic wastewater treatment by iron powder |
| CN105236565B (en) * | 2015-07-02 | 2017-12-12 | 中国环境科学研究院 | A kind of method that magnetic field-intensification iron powder improves Anaerobic wastewater treatment COD removal efficiency |
| CN106517489A (en) * | 2016-11-09 | 2017-03-22 | 华南农业大学 | Fe<0>-containing high-polymer biological membrane filling as well as preparation method and application thereof |
| CN106517489B (en) * | 2016-11-09 | 2019-08-13 | 华南农业大学 | One kind containing Fe0High-molecular biologic film filler and the preparation method and application thereof |
| CN110668565A (en) * | 2019-09-11 | 2020-01-10 | 青岛理工大学 | Reelpipe type sludge sampling and activity evaluation device for anaerobic reactor and working method thereof |
| CN110668565B (en) * | 2019-09-11 | 2022-03-15 | 青岛理工大学 | Reelpipe type sludge sampling and activity evaluation device for anaerobic reactor and working method thereof |
| CN110803764A (en) * | 2019-12-02 | 2020-02-18 | 江苏蓝必盛化工环保股份有限公司 | Device for treating chemical wastewater by using zero-valent iron reinforced ABR (anaerobic baffled reactor) |
| CN110803764B (en) * | 2019-12-02 | 2022-03-18 | 江苏蓝必盛化工环保股份有限公司 | Device for treating chemical wastewater by using zero-valent iron reinforced ABR (anaerobic baffled reactor) |
| CN115432800A (en) * | 2022-09-19 | 2022-12-06 | 延长油田股份有限公司 | Preparation method of slow-release water deoxidant, product and application thereof |
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Granted publication date: 20131030 |
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| CX01 | Expiry of patent term |