CN203639230U - Air-lift inner circulation combined filler bioreactor - Google Patents
Air-lift inner circulation combined filler bioreactor Download PDFInfo
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- CN203639230U CN203639230U CN201320859815.6U CN201320859815U CN203639230U CN 203639230 U CN203639230 U CN 203639230U CN 201320859815 U CN201320859815 U CN 201320859815U CN 203639230 U CN203639230 U CN 203639230U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model relates to an air-lift inner circulation combined filler bioreactor and belongs to the technical field of environmental protection. The bioreactor is mainly used for low concentration, low carbon and high ammonia nutrient unbalance sewage treatment. The air-lift inner circulation combined filler bioreactor comprises a reactor shell, wherein the interior of the reactor shell is divided into three regions, namely a gas-water mixing region, an inner circulation region and a water discharging region, from the bottom up, the gas-water mixing region is composed of a water inlet pipe, a gas inlet pipe and a sand core aeration plate, a sleeve is arranged in the inner circulation region inside the reactor shell, the sleeve divides the inner circulation region into a rising region and a downcoming region, biological ceramisite filler is filled inside the rising region, bamboo filament filler is filled inside the downcoming region, the water discharging region is composed of an overflow weir, a mud discharging valve and a water outlet, a partition plate with meshes is arranged at the lower part of the sleeve, an emptying valve is arranged at the bottom of the reactor shell, the air is supplied to the air-lift inner circulation combined filler bioreactor by an air pump, and an air diffusing device, namely the sand core aerating plate, is arranged at the lower part of the sleeve. The bioreactor has the beneficial effects that manufacturing cost of biological ceramisite filler and bamboo filament filler is low, biofilm formation is rapid when the biological ceramisite filler and the bamboo filament filler are taken as biological carriers; the air-lift inner circulation combined filler bioreactor has good treatment effect on low concentration, low carbon and high ammonia sewage; meanwhile, no motor element is arranged inside, so that the bioreactor is easy to maintain, low in running cost and low in energy consumption.
Description
Technical field
The utility model relates to the nutrient imbalance type sewage disposal of lower concentration, low-carbon (LC), high ammonia nitrogen, is specifically related to circulation combined stuffing bio-reactor in a kind of air lift type, belongs to environmental protection technical field.
Technical background
Along with the continuous quickening of cities and towns expanding economy and Development of China's Urbanization, gathering way of town sewage amount also continuing to increase with intractability.China's town sewage belongs to the nutrient imbalance type sewage of lower concentration, low-carbon (LC), high ammonia nitrogen substantially, is sewage of low concentration on the whole.Because the infrastructure construction in cities and towns far lags behind the development in cities and towns, most town sewage is unprocessed just directly to be discharged, and causes receiving water body to occur eutrophication, makes the water body environment in cities and towns be subject to pollution in various degree.Based on this kind of situation, need to strengthen the construction dynamics of urban wastewater treatment firm, need to improve town sewage treatment technology simultaneously.For many years, in wastewater treatment in China factory, mainly adopt activated sludge process and deformation technique thereof, SBR and deformation technique thereof, concrete grammar comprises as Types Below:
1. traditional activated sludge process: this Technology maturation, treatment effect is better and reliable and stable, strong adaptability.But exist energy consumption large, easily produce sludge bulking phenomenon, excess sludge production is large, automatization requires high, and floor space is large simultaneously.2. biomembrance process: the method microbial is abundant, and biomass is large, loads high; The stability of thalline is high, toxin immunity good, strong adaptability; Mud residual content is few, stable and cost is low, and floor space is little.But the method biofilm time is long, the Start-up and Adjustment time is long; Main structure complex structure, installation requirement is high, requires automatic degree high, and investment cost is higher.3. biological contact oxidation process has the feature of activated sludge process and biomembrance process concurrently, have that management is simple, anti impulsion load and the advantage such as treatment effect is stable, in recent years, along with the updating and innovating of biologic packing material, biological catalytic oxidation is more and more applied in China.But also there is following problem in biological contact oxidation process and application: (1) plastic filler filling ratio is larger, and cost is higher, and energy consumption is higher; (2) plastic filler biofilm and demoulding are all undesirable, affect treatment effect, and microorganism growth on plastic filler is single, and microbial film anti impulsion load is not strong, recover slowly; (3) soft, semi soft packing is often wound around and is entangled with, poor fluidity; (4), in the time processing lower concentration, low-carbon (LC), high-ammonia-nitrogen sewage, due to carbon source deficiency, need additional supplementary carbon source.
Summary of the invention
The utility model will solve the problem existing in existing Mechanism of Wastewater Treatment by Bio-contact Oxidation Process, and circulation combined stuffing bio-reactor in a kind of air lift type is provided, and can effectively process China's cities and towns lower concentration, low-carbon (LC), high ammonia nitrogen sanitary sewage.
The utility model solves the technical scheme that its technical problem adopts: circulation combined stuffing bio-reactor in a kind of air lift type, it comprises reactor shell, described reactor shell inside is divided into from top to bottom three regions and is respectively mixing wastewater with air district, internal recycle district and exhalant region, mixing wastewater with air district is by water inlet pipe, inlet pipe and core aeration plate composition, at the internal recycle district of reactor shell inside installing sleeve, internal recycle district is divided into again the He Jiangliu district for up-flow district by sleeve, the inner filled biomass ceramics filling in up-flow district, the inner bamboo silk filler of filling in Jiang Liu district, exhalant region is by overflow weir, mud valve and water outlet composition, the meshed dividing plate of bottom mounting strap of sleeve, blow-off valve is installed in bottom in reactor shell, this reactor provides air by pneumatic pump, air-diffuser is core aeration plate, core aeration plate is positioned at the bottom of sleeve, sewage is entered by the bottom of reactor shell, the sewage that enters reactor bottom mixes with gas, air water lightens and rises in up-flow district in sleeve under the effect of bottom aerator, air water contacts with the microbial film on biological potsherd filling repeatedly tortuous rising between biological potsherd filling, reinforcing mass transfer process, gas-water separation in the time that air water arrives sleeve top, part water continues rising arrival exhalant region and flows out from water outlet through overflow weir, most water flows downward from sleeve Wai Jiangliu district, water between bamboo silk filler tortuous drop to that reactor bottom is promoted again and again with the microbial film contact reacts on biological potsherd filling surface, form internal recycle fluidised form.This fluidised form is conducive to the biological respinse in enhanced reactor, can efficiently process lower concentration, low-carbon (LC), high ammonia nitrogen sanitary sewage.
The beneficial effects of the utility model are: the biological potsherd filling in (1) up-flow district is fired and formed by bed-silt, fire that material is cheap to be easy to get, save filler and fill cost, biological potsherd filling has larger specific surface area and porosity, be conducive to hold back the biological microbial film that forms, degradation of organic substances under aerobic condition improves nitrification simultaneously; (2) the bamboo silk filler in Jiang Liu district is made by natural mao bamboon, it is a kind of natural fibrous matter, it has good bioaffinity and wetting ability as bio-carrier, compared with synthetic superpolymer filler, biofilm time and biomass all have clear superiority, and bamboo silk filler cost of manufacture is lower simultaneously; (3) Jiang Liu district is because sluicing is less, form thicker microbial film at bamboo silk filling surface, on biomembranous section, from surface to nexine, form successively aerobic layer, layer of oxygen deficient and anaerobic layer, and bamboo silk can provide required carbon source for denitrification as natural fibrous matter, lower concentration, low-carbon (LC), high ammonia nitrogen sanitary sewage are had to good treatment effect; (4) this reactor is realized circulating of water taking air as impellent, promote, thereby its inside does not have motor element without plug flow device and pump, is easy to safeguard, working cost is low, and power consumption is few simultaneously.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is vertical view of the present utility model.
In Fig. 1: 1, reactor shell, 2, mixing wastewater with air district, 2-1, water inlet pipe, 2-2, inlet pipe, 2-3, core aeration plate, 3, internal recycle district, 4, sleeve, 5, up-flow district, 5-1, biological potsherd filling, 6, Jiang Liu district, 6-1, bamboo silk filler, 7, exhalant region, 7-1, overflow weir, 7-2, mud valve, 7-3, water outlet, 8, dividing plate, 9, blow-off valve, 10, sleeve retaining screw.
Embodiment
Describe embodiment of the present utility model in detail below with reference to Fig. 1, in a kind of air lift type of the utility model, the Characteristics and advantages of circulation combined stuffing bio-reactor will become more obvious.
In Fig. 1, in a kind of air lift type, circulation combined stuffing bio-reactor comprises reactor shell 1, and the internal diameter of described reactor shell 1 upper cylinder is 2:1～3:1 with the ratio of height, and the internal diameter of lower cylindrical body is 1:5～1:8 with the ratio of height.Reactor shell 1 inside is divided into from top to bottom three regions and is respectively mixing wastewater with air district 2, internal recycle district 3 and exhalant region 7, trizonal volume ratio is 1:10～12:2～3, mixing wastewater with air district is by water inlet pipe 2-1, inlet pipe 2-2 and core aeration plate 2-3 composition, internal recycle district 3 installing sleeves 4 in reactor shell 1, sleeve 4 is fixing by sleeve retaining screw 10, described reactor shell 1 and sleeve 4 are made by PVC plate or aluminium alloy plate, internal recycle district 3 in reactor shell 1 is divided into 5 He Jiangliu districts 6 of up-flow district by sleeve 4, the volume ratio in 5 He Jiangliu districts 6 of up-flow district is 1:1～1:1.2, at up-flow district 5 inner filled biomass ceramics filling 5-1, biological potsherd filling 5-1 is fired and is formed by bed-silt, its particle diameter is 3～5mm, particle aperture is 0.3～0.7mm, the inner bamboo silk filler 6-1 that fills in Jiang Liu district 6, bamboo silk filler 6-1 is formed by natural mao bamboon self-control, its specification is long 10～30mm, wide 0.5～2mm, high 0.5～2mm, exhalant region is by overflow weir 7-1, mud valve 7-2 and water outlet 7-3 composition, the meshed dividing plate 8 of sleeve 4 bottom mounting strap, dividing plate 8 is made up of aluminum alloy materials, the aperture of its grid is 1mm × 1mm.Blow-off valve 9 is installed in bottom in reactor shell 1, and this reactor provides air by pneumatic pump, and air-diffuser is core aeration plate 2-3.
The utility model embodiment is that sewage is entered by the bottom of reactor shell 1, the sewage that enters reactor bottom mixes with gas, air water lightens under the effect of bottom aerator and rise in up-flow district 5 in sleeve 4, air water complications between biological potsherd filling 5-1 rise and repeatedly contact with the microbial film on biological potsherd filling 5-1, reinforcing mass transfer process, gas-water separation in the time that air water arrives sleeve 4 top, part water continues rising arrival exhalant region 7 and flows out from water outlet through overflow weir 7-1, most water flows downward from sleeve 4 Wai Jiangliu districts 6, water between bamboo silk filler 6-1 tortuous drop to that reactor bottom is promoted again and again with the microbial film contact reacts on biological potsherd filling 5-1 surface, form internal recycle fluidised form.This fluidised form is conducive to the biological respinse in enhanced reactor, can efficiently process lower concentration, low-carbon (LC), high ammonia nitrogen sanitary sewage.
Claims (9)
1. circulation combined stuffing bio-reactor in an air lift type, it is characterized in that: it comprises reactor shell, described reactor shell inside is divided into from top to bottom three regions and is respectively mixing wastewater with air district, internal recycle district and exhalant region, mixing wastewater with air district is by water inlet pipe, inlet pipe and core aeration plate composition, at the internal recycle district of reactor shell inside installing sleeve, internal recycle district is divided into again the He Jiangliu district for up-flow district by sleeve, the inner filled biomass ceramics filling in up-flow district, the inner bamboo silk filler of filling in Jiang Liu district, exhalant region is by overflow weir, mud valve and water outlet composition, the meshed dividing plate of bottom mounting strap of sleeve, blow-off valve is installed in bottom in reactor shell, this reactor provides air by pneumatic pump, air-diffuser is core aeration plate, core aeration plate is positioned at the bottom of sleeve.
2. circulation combined stuffing bio-reactor in a kind of air lift type according to claim 1, is characterized in that: the ratio of the volume in Yu Jiangliu district of up-flow district is 1:1～1:1.2.
3. circulation combined stuffing bio-reactor in a kind of air lift type according to claim 1, is characterized in that: mixing wastewater with air district, internal recycle district and the exhalant region volume ratio of reactor shell inside are 1:10～12:2～3.
4. circulation combined stuffing bio-reactor in a kind of air lift type according to claim 1, it is characterized in that: the particle diameter of described biological potsherd filling is 3～5mm, particle aperture is 0.3～0.7mm, and the specification of bamboo silk filler is long 10～30mm, wide 0.5～2mm, high 0.5～2mm.
5. circulation combined stuffing bio-reactor in a kind of air lift type according to claim 1, is characterized in that: the media-filling rate in described He Jiangliu district of up-flow district is 80%～90%.
6. circulation combined stuffing bio-reactor in a kind of air lift type according to claim 1, is characterized in that: the internal diameter of described reactor shell upper cylinder is 2:1～3:1 with the ratio of height, and the internal diameter of lower cylindrical body is 1:5～1:8 with the ratio of height.
7. circulation combined stuffing bio-reactor in a kind of air lift type according to claim 1, is characterized in that: described reactor shell and sleeve are made by PVC plate or aluminium alloy plate, and dividing plate is made up of aluminum alloy materials, and the aperture of its grid is 1mm × 1mm.
8. circulation combined stuffing bio-reactor in a kind of air lift type according to claim 1, is characterized in that: sleeve is fixed by sleeve retaining screw.
9. according to circulation combined stuffing bio-reactor in a kind of air lift type described in claim 1, it is characterized in that: described lower concentration, low-carbon (LC), high ammonia nitrogen town sewage are from settling pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320859815.6U CN203639230U (en) | 2013-12-25 | 2013-12-25 | Air-lift inner circulation combined filler bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320859815.6U CN203639230U (en) | 2013-12-25 | 2013-12-25 | Air-lift inner circulation combined filler bioreactor |
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| CN203639230U true CN203639230U (en) | 2014-06-11 |
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| CN201320859815.6U Expired - Fee Related CN203639230U (en) | 2013-12-25 | 2013-12-25 | Air-lift inner circulation combined filler bioreactor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858820A (en) * | 2016-04-08 | 2016-08-17 | 中新苏州工业园区环保技术有限公司 | Efficient organic wastewater pretreatment method |
| CN108545837A (en) * | 2018-05-10 | 2018-09-18 | 东北电力大学 | The airlift reactor of the new trichosporon cutaneum processing purified soyabean oil waste water of cement skin shape |
| CN109437392A (en) * | 2018-11-23 | 2019-03-08 | 河海大学 | A kind of circulation static bed biomembrane reactor with elastic filler |
| CN109553186A (en) * | 2019-01-29 | 2019-04-02 | 江南大学 | A kind of spiral bed biofilm reactor for sewage treatment |
| CN110902826A (en) * | 2019-12-02 | 2020-03-24 | 江苏艾特克环境工程设计研究院有限公司 | Low-emission N2O water treatment system and treatment method |
| CN112410222A (en) * | 2020-11-03 | 2021-02-26 | 江南大学 | Multi-chamber bubble tower bioreactor for animal cell culture |
| CN115466005A (en) * | 2022-08-05 | 2022-12-13 | 中国石油化工股份有限公司 | High-salt high-ammonia nitrogen sewage treatment device and method |
| CN116102160A (en) * | 2022-11-01 | 2023-05-12 | 中国石油化工股份有限公司 | Liftable aeration assembly and biochemical sewage treatment reactor |
| CN116282488A (en) * | 2022-09-27 | 2023-06-23 | 南京华创环境技术研究院有限公司 | Airlift reactor for deep denitrification and dephosphorization |
-
2013
- 2013-12-25 CN CN201320859815.6U patent/CN203639230U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858820A (en) * | 2016-04-08 | 2016-08-17 | 中新苏州工业园区环保技术有限公司 | Efficient organic wastewater pretreatment method |
| CN108545837A (en) * | 2018-05-10 | 2018-09-18 | 东北电力大学 | The airlift reactor of the new trichosporon cutaneum processing purified soyabean oil waste water of cement skin shape |
| CN109437392A (en) * | 2018-11-23 | 2019-03-08 | 河海大学 | A kind of circulation static bed biomembrane reactor with elastic filler |
| CN109553186A (en) * | 2019-01-29 | 2019-04-02 | 江南大学 | A kind of spiral bed biofilm reactor for sewage treatment |
| CN110902826A (en) * | 2019-12-02 | 2020-03-24 | 江苏艾特克环境工程设计研究院有限公司 | Low-emission N2O water treatment system and treatment method |
| CN110902826B (en) * | 2019-12-02 | 2022-07-05 | 江苏艾特克环境工程设计研究院有限公司 | Low-emission N2O water treatment system and treatment method |
| CN112410222A (en) * | 2020-11-03 | 2021-02-26 | 江南大学 | Multi-chamber bubble tower bioreactor for animal cell culture |
| CN115466005A (en) * | 2022-08-05 | 2022-12-13 | 中国石油化工股份有限公司 | High-salt high-ammonia nitrogen sewage treatment device and method |
| CN116282488A (en) * | 2022-09-27 | 2023-06-23 | 南京华创环境技术研究院有限公司 | Airlift reactor for deep denitrification and dephosphorization |
| CN116102160A (en) * | 2022-11-01 | 2023-05-12 | 中国石油化工股份有限公司 | Liftable aeration assembly and biochemical sewage treatment reactor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141225 |
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| EXPY | Termination of patent right or utility model |