CN103755024A - Rotary adjustable anaerobic-anoxic-aerobic biochemical reactor - Google Patents
Rotary adjustable anaerobic-anoxic-aerobic biochemical reactor Download PDFInfo
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- CN103755024A CN103755024A CN201310680970.6A CN201310680970A CN103755024A CN 103755024 A CN103755024 A CN 103755024A CN 201310680970 A CN201310680970 A CN 201310680970A CN 103755024 A CN103755024 A CN 103755024A
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Abstract
The invention discloses a rotary adjustable anaerobic-anoxic-aerobic biochemical reactor. The rotary adjustable anaerobic-anoxic-aerobic biochemical reactor is in the form of a rotary channel, and are divided into 4 continuous water channels with equal width and height including an anaerobic segment, an anoxic segment, and an aerobic segment; volume distribution adjustment of the anaerobic segment, the anoxic segment, and the aerobic segment can be realized by moving movable separating plates; the lower parts of the movable separating plates are provided with water passing orifices; and the lower part of each channel of the rotary adjustable anaerobic-anoxic-aerobic biochemical reactor is provided with a controllable aerating apparatus. The rotary adjustable anaerobic-anoxic-aerobic biochemical reactor is reasonable in design and compact in structure; the channels are designed to be flexible, and adjustment is convenient and practicable; investment and operation cost is low; the relative hydraulic retention time of the anaerobic segment, the anoxic segment and the aerobic segment can be flexibly adjusted according to the water quality conditions of waste water to be treated; and when different waste water is treated or the water quality of the waste water to be treated is changed, overall stable and efficient treatment effects of the rotary adjustable anaerobic-anoxic-aerobic biochemical reactor can be maintained, and excellent environmental benefits and economic benefits are obtained.
Description
Technical field
The invention belongs to sewage treatment area, relate to a kind of sewage-treating reactor, particularly a kind of rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor.
Background technology
Traditional A/A/O technique is typical urban sewage treatment process, has solved to a certain extent the problem of organic matter removal and the denitrogenation dephosphorizing of sewage.The ratio of the hydraulic detention time of traditional A/A/O technique anaerobism section, anoxic section and aerobic section, that is the ratio of each conversion zone volume, be generally 1:1:3～4, volume is fixed relatively, controllability is poor, and for the special trade effluent of water quality treatment, each conversion zone hydraulic detention time and processing load are difficult to regulate, some trade effluents that can not adapt to high-concentration hardly-degradable organism, high nitrogen and high phosphorus completely, have limited development and the application of this type of biochemical reactor.
Chinese patent CN201110157920.0 discloses " a kind of adjustable biochemical tank and the adjustable A/A/O technique of carrying out water treatment thereof ", although technique is changeable, fail fundamentally to change respectively actual useful volume size and the relative hydraulic detention time ratio of anaerobism section, anoxic section and aerobic section.Chinese patent CN200510132777.4 " five-factor wastewater treating apparatus ", the volume ratio of anaerobic pond, anoxic pond, Aerobic Pond can be adjusted, but anaerobic pond, anoxic pond and Aerobic Pond need to be arranged in order, and be linked to be a rectangle great Chi, with moving partition, regulate, thereby floor space is large, three biochemical reaction section arrangement forms are single, be difficult for regulating, be of limited application.
Therefore, on the basis of existing technology necessary, research and develop a kind of reasonable in design, compact construction, adjusting is easy, floor space is little, economic benefit is high, and applied range can adapt to multiple-quality water or change the biochemical reactor of the wastewater treatment demand of water quality.
Summary of the invention
Goal of the invention: the object of the invention is in order to solve the deficiencies in the prior art, a kind of reasonable in design, compact construction is provided, floor space is little, especially anaerobism section, anoxic section and aerobic section can flexible, can adapt to multiple-quality water or change the wastewater treatment demand of water quality, range of application is biochemical reactor more widely.
Technical scheme: in order to realize object of the present invention, the technical solution used in the present invention is:
A kind of rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor is revolution gallery type, be provided with 4 continuous wide contour water gallerys excessively, be assigned as anaerobism section, anoxic section and aerobic section, wherein along waste water flow direction, I moveable bulkhead is set on initial gallery, on the 2nd gallery, II moveable bulkhead is set, on initial gallery and the 2nd gallery wall, railroad is set, realize anaerobism section, anoxic section and aerobic section distribute segmentation and the adjustment of volume, water inlet pipe is anaerobism section to the gallery between I moveable bulkhead, I moveable bulkhead is between II moveable bulkhead being anoxic section, II moveable bulkhead is to being aerobic section between rising pipe, described I moveable bulkhead and the bottom of II moveable bulkhead arrange water hole mouth.
As preferred version, every gallery bottom of above-described reactor is provided with aerating apparatus, and described aerating apparatus comprises aeration house steward, the aeration main being connected with aeration house steward, with the aeration branch pipe that aeration main is connected, aeration branch pipe end is provided with aeration head, and aeration branch pipe is provided with control valve.
As preferred version, the bottom of gallery revolution place of above-described reactor is provided with underwater propeller.Described underwater propeller can be direct current thruster, tail pipe thruster, and hydraulic pusher, oil motor, worm gear thruster, adopts underwater propeller can accelerate flow, improves hydraulics, reduces current dead angle, improves waste water treatment efficiency.
When processing sanitary sewage, to consider to remove COD and denitrogenation dephosphorizing simultaneously, the distribution volumetric ratio of anaerobism section, anoxic section and aerobic section is 1:1:3 or 1:1:4;
When wastewater treatment needs extended aeration, the distribution volumetric ratio of anaerobism section, anoxic section and aerobic section is 1:1:6 or 1:1:7, has so just increased the relative volume of aerobic section, has extended the time of aerobic section aeration.
The present invention, for processing trade effluent, considers to extend the relative hydraulic detention time of anaerobism section, the effect of reinforced anaerobic section biochemical treatment, and the distribution volumetric ratio of anaerobism section, anoxic section and aerobic section is 3:2:7.
The present invention, when processing high phosphorus waste water, need to carry out dephosphorization emphatically, considers to extend anaerobism section, the relative hydraulic detention time of aerobic section, is beneficial to anaerobic phosphorus release and aerobic suction phosphorus, and the distribution volumetric ratio of anaerobism section, anoxic section and aerobic section is 3:1:8.
Rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor provided by the invention is for processing high-nitrogen waste water, while considering denitrogenation emphatically, consider to shorten the relative hydraulic detention time of anaerobism section, extend anoxic section, the relative hydraulic detention time of aerobic section, be beneficial to anoxic denitrification denitrogenation and aerobic nitrifying process, the distribution volumetric ratio of anaerobism section, anoxic section and aerobic section is 1:3:8.
Rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor provided by the invention, wherein the precipitating sludge of biochemical reactor post precipitation unit refluxes and is located at anaerobism section initiating terminal, anoxic section nitrification liquid refluxes and is located at the initiating terminal of anoxic section, by pump and pipeline, is delivered into gallery.The present invention arranges aerating apparatus every gallery bottom, by control valve, control aeration rate, anaerobism section is closed control valve, anoxic section and aerobic section are by regulating control valve to control aeration rate, anoxic section keeps mixed solution dissolved oxygen at 0.2～2.0mg/L, and aerobic section keeps mixed solution dissolved oxygen to be greater than 2.0mg/L.
As preferred version, above-described rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, the railroad of described moveable bulkhead by electric machine control realize along in gallery rectilinear direction move around and fixing.As more preferably scheme, dividing plate adopts material or the structure (steel plate or steel reinforced concrete) identical with reactor pool wall, and electric device and slide rail are set on pool wall, utilizes moving around and fixing of the electronic control dividing plate of motor.
The present invention can be according to the characteristic of concrete pending waste water, processing requirements and operational requirement, adopt moveable bulkhead to separate anaerobism section, anoxic section and aerobic section, make each conversion zone microbial population that carries out biochemical reaction wherein relatively independent, the environmental facies of corresponding biochemical reaction are to held stationary.Continuous to cross water gallery be wide contour due to 4, thereby regulate the length of each conversion zone to realize the adjusting that each conversion zone distributes volume.The position of adjusting moveable bulkhead, makes each conversion zone obtain different distribution volumes; The ratio of the distribution volume of anaerobism section, anoxic section and aerobic section, that is the ratio of the relative hydraulic detention time of each conversion zone.
Biochemical reactor provided by the invention, the size design of gallery is adjusted according to the shape in actual place, scene flexibly with moving towards to arrange, the overall trend of gallery is from inside to outside, is rotary type, but the concrete flow direction of gallery current and rising pipe position are according to on-the-spot actual field ground flexible design.
Beneficial effect: compared to the prior art rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor provided by the invention has the following advantages:
1, rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor provided by the invention, reasonable in design, compact construction, can be according to pending waste water quality situation flexible anaerobism section, anoxic section hydraulic detention time relative to aerobic section, adopt moveable bulkhead to separate anaerobism section, anoxic section and aerobic section, make each biochemical reaction section microbial population wherein relatively independent, the environmental facies of corresponding biochemical reaction are to held stationary.Thereby the present invention is widely used, biochemical reactor provided by the invention is when processing dissimilar waste water, and anaerobism section, anoxic section and aerobic section all can keep efficient biochemical to process, and make reactor obtain the treatment effect of stability and high efficiency on the whole.
2, rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor provided by the invention, can utilize the mode that changes moveable bulkhead position to change the relative distribution volume of anaerobism section, anoxic section and aerobic section, thereby make the wherein relative hydraulic detention time of certain biochemical reaction section extend or shorten, to adapt to the processing demands of the waste water of different quality characteristic or the waste water of variation water quality, and regulate very convenient.
3, rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor provided by the invention, the strong adaptability that the wastewater treatment of all kinds waste water or change of water quality is required has flexible design, the low feature of investment working cost simultaneously.Because reactor provided by the invention is designed by the contour wide continuous water gallery revolution of crossing, so the allotment of gallery length size flexibly, gallery current trend also can be according to the shape in actual place, scene, and the position flexible of rising pipe, and be not subject to reactor to reserve the restriction in place, thereby floor space is little, there is good environmental benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor provided by the invention.
Fig. 2 is the structural representation of aerating apparatus in biochemical reactor provided by the invention.
As depicted in figs. 1 and 2, biochemical reactor integral part is as follows: 1: water inlet pipe, 2: thruster, 3: aerobic section, 4:I moveable bulkhead, 5: anoxic section, 6:II moveable bulkhead, 7: aerobic section, 8: rising pipe, 9: aeration house steward, 10: aeration main, 11: aeration branch pipe, 12: aeration head, 13: control valve.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment is only not used in and limits the scope of the invention for the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
As depicted in figs. 1 and 2, a kind of rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, described reactor is revolution gallery type, be provided with 4 continuous wide contour water gallerys excessively, be assigned as anaerobism section (3), anoxic section (5) and aerobic section (7), wherein along waste water flow direction, I moveable bulkhead (4) is set on initial gallery, on the 2nd gallery, II moveable bulkhead (6) is set, on initial gallery and the 2nd gallery wall, railroad is set, realize anaerobism section (3), anoxic section (5) and aerobic section (7) distribute segmentation and the adjustment of volume, described I moveable bulkhead (4) and the bottom of II moveable bulkhead (6) arrange water hole mouth.
Water inlet pipe (1) is anaerobism section to the gallery between I moveable bulkhead (4), it is anoxic section that I moveable bulkhead (4) arrives between II moveable bulkhead (6), II moveable bulkhead (6) is to being aerobic section between rising pipe (8), and described I moveable bulkhead (4) and the bottom of II moveable bulkhead (6) arrange water hole mouth.The railroad of described moveable bulkhead by electric machine control realize along in gallery rectilinear direction move around and fixing.As more preferably scheme, dividing plate adopts material or the structure (steel plate or steel reinforced concrete) identical with reactor pool wall, and electric device and slide rail are set on pool wall, utilizes moving around and fixing of the electronic control dividing plate of motor.
Rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor provided by the invention, wherein the precipitating sludge of biochemical reactor post precipitation unit refluxes and is located at anaerobism section initiating terminal, anoxic section nitrification liquid refluxes and is located at the initiating terminal of anoxic section, by pump and pipeline, is delivered into gallery.The present invention arranges aerating apparatus every gallery bottom, described aerating apparatus comprises aeration house steward (9), the aeration main (10) being connected with aeration house steward (9), the aeration branch pipe (11) being connected with aeration main (10), aeration branch pipe (11) end is provided with aeration head (12), and aeration branch pipe is provided with control valve (13).By control valve, control aeration rate, anaerobism section is closed control valve, and anoxic section and aerobic section are by regulating control valve to control aeration rate, and anoxic section keeps mixed solution dissolved oxygen at 0.2～2.0mg/L, and aerobic section keeps mixed solution dissolved oxygen to be greater than 2.0mg/L.
When processing sanitary sewage, before processing, life sewage quality index: COD (chemical oxygen demand (COD)) is 300～1000mg/L, ammonia nitrogen is 30～50mg/L, total phosphorus is 5～8mg/L, utilize above-described rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, the distribution volumetric ratio that forms anaerobism section, anoxic section and aerobic section is 1:1:3 or 1:1:4.The water-quality guideline of sanitary sewage after adopting biochemical reactor of the present invention to process: COD is 50～80mg/L, ammonia nitrogen≤5.0mg/L, total phosphorus≤1.0mg/L (water-quality guideline of water outlet refers to the mensuration numerical value of the water outlet behind post precipitation unit after reactor for treatment of the present invention, is all like this in following examples).
Adopt reactor for treatment commonly industrial wastewater provided by the invention, described reactor is crossed water Corridor Design and is arranged and the separation mode of each biochemical reaction section, and the operation control mode of reactor and aerating apparatus and parameter etc. are all with embodiment 1.As different from Example 1 for the difference of processing object, and adopt different anaerobism sections, anoxic section and aerobic section to distribute volumetric ratio.
For the trade effluent of processing difficult degradation, before processing, trade effluent water-quality guideline: COD is 1000～3000mg/L, ammonia nitrogen is about 30mg/L, total phosphorus is about 3mg/L, utilize above-described rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, need to extend the relative hydraulic detention time of anaerobism section, the effect of reinforced anaerobic section biochemical treatment, it is 3:2:7 that anaerobism section, anoxic section and aerobic section distribute volumetric ratio, adopting the water-quality guideline of biochemical reactor processed waste water of the present invention: COD is 50～150mg/L, ammonia nitrogen≤5.0mg/L, total phosphorus≤1.0mg/L.
Adopt reactor for treatment high phosphorus waste water provided by the invention, described reactor is crossed water Corridor Design and is arranged and the separation mode of each biochemical reaction section, and the operation control mode of reactor and aerating apparatus and parameter etc. are all with embodiment 1.As different from Example 1 for the difference of processing object, and adopt different anaerobism sections, anoxic section and aerobic section to distribute volumetric ratio.
For processing high phosphorus waste water, before processing, trade effluent water-quality guideline: COD (chemical oxygen demand (COD)) is 400～1000mg/L, ammonia nitrogen is about 10mg/L, total phosphorus is about 20mg/L, utilize above-described rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, need to carry out dephosphorization, extend anaerobism section, the relative hydraulic detention time of aerobic section, be beneficial to anaerobic phosphorus release and aerobic suction phosphorus, anaerobism section, it is 3:1:8 that anoxic section and aerobic section distribute volumetric ratio, adopting the water-quality guideline of biochemical reactor processed waste water of the present invention: COD is 50～80mg/L, ammonia nitrogen≤5.0mg/L, total phosphorus≤1.0mg/L.
From example 1～3, can find out that reactor for treatment of the present invention is widely applicable, in the face of broad variety water quality waste water all can keep the advantage of efficient biochemical processing.
Adopt a kind of rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor processing variation water quality waste water, described reactor is crossed water Corridor Design and is arranged and the separation mode of each biochemical reaction section, and the operation control mode of reactor and aerating apparatus and parameter etc. are all with embodiment 1.As different from Example 1 for the variation of waste water quality, and adopt different anaerobism sections, anoxic section and aerobic section to distribute volumetric ratio, and adjust timely.
Originally pending waste water quality is with embodiment 1, take sanitary sewage as main, before processing, life sewage quality index: COD is 300～1000mg/L, ammonia nitrogen is 30～50mg/L, total phosphorus is 5～8mg/L, utilize above-described rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, the distribution volumetric ratio that forms anaerobism section, anoxic section and aerobic section is 1:1:3, the water-quality guideline of sanitary sewage after adopting biochemical reactor of the present invention to process: COD is 50～80mg/L, ammonia nitrogen≤5.0mg/L, total phosphorus≤1.0mg/L.
When above-mentioned wastewater treatment influent quality changes or fluctuates, (for example when the Industrial Zone of building, there is a small amount of trade effluent to enter sanitary sewage disposal factory and office reason, or having trade effluent pipe leakage to enter city planting ductwork) to be changed to COD be 500～2000mg/L for waste water before processing, ammonia nitrogen 25～50mg/L, total phosphorus 3～5mg/L, if anaerobism section, the distribution volumetric ratio of anoxic section and aerobic section still remains than being 1:1:3, be not suitable with present influent quality, long-time running meeting causes biochemical treatment decrease in efficiency, particularly the value of water outlet COD can raise, cause water outlet not up to standard.Now should distribute volumetric ratio to adjust to anaerobism section, anoxic section and aerobic section, extend the relative hydraulic detention time of anaerobism section, the effect of reinforced anaerobic section biochemical treatment, it is 3:2:7 that anaerobism section, anoxic section and aerobic section distribute volumetric ratio.Through such adjustment, strengthen aerobic section aeration rate simultaneously, reactor could adapt to present influent quality, adjust post-reactor and process the water-quality guideline of waste water afterwards: COD is 50～80mg/L, ammonia nitrogen≤5.0mg/L, total phosphorus≤1.0mg/L, thereby make reactor of the present invention remain high-performance bio processing.
From example 4, can find out the processing of reactor Adaptive change waste water quality of the present invention, there is flexible adjustment.
Claims (4)
1. a rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, it is characterized in that: described reactor is revolution gallery type, be provided with 4 continuous wide contour water gallerys excessively, be assigned as anaerobism section, anoxic section and aerobic section, wherein along waste water flow direction, I moveable bulkhead is set on initial gallery, on the 2nd gallery, II moveable bulkhead is set, on initial gallery and the 2nd gallery wall, railroad is set, realize anaerobism section, anoxic section and aerobic section distribute segmentation and the adjustment of volume, described I moveable bulkhead and the bottom of II moveable bulkhead arrange water hole mouth,
Every gallery bottom of described reactor is equipped with aerating apparatus, described aerating apparatus comprises aeration house steward, the aeration main being connected with aeration house steward, the aeration branch pipe being connected with aeration main, aeration branch pipe end is provided with aeration head, and aeration branch pipe is provided with control valve.
2. rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor according to claim 1, is characterized in that: the bottom of gallery revolution place of described reactor is equipped with underwater propeller.
3. rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor according to claim 1, is characterized in that: the distribution volumetric ratio that forms anaerobism section, anoxic section and aerobic section is 1:1:3,1:1:4,1:1:6,1:1:7,3:2:7,3:1:8 or 1:3:8.
4. rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor according to claim 1, is characterized in that: described moveable bulkhead by the railroad of electric machine control realize along in gallery rectilinear direction move around and fixing.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348446A (en) * | 2016-11-10 | 2017-01-25 | 盐城工学院 | Corner adjustable type wastewater treatment biochemical reactor |
| CN107089727A (en) * | 2017-06-27 | 2017-08-25 | 重庆大学 | A kind of integral type three-level AO sewage disposal systems and its handling process |
| CN112592006A (en) * | 2020-12-30 | 2021-04-02 | 华夏碧水环保科技有限公司 | Domestic sewage treatment integrated device for reducing sludge yield |
| CN112811574A (en) * | 2021-01-15 | 2021-05-18 | 北京首创清源环境科技有限公司 | Integrated sewage treatment system with multiple operation modes |
| CN114229998A (en) * | 2021-11-27 | 2022-03-25 | 西安科技大学 | Sectional type biological rotating disc |
| CN115536152A (en) * | 2022-10-12 | 2022-12-30 | 陕西省水务集团环境技术运维有限公司 | Sewage low temperature denitrification processing system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990393A (en) * | 2005-12-26 | 2007-07-04 | 北京城市排水集团有限责任公司 | Five-factor wastewater treating apparatus |
| CN201261748Y (en) * | 2008-04-18 | 2009-06-24 | 北京工业大学 | Chemical dephosphorization apparatus based on anoxic-anaerobic-oxidation ditch |
| CN101519266A (en) * | 2009-04-09 | 2009-09-02 | 北京清大国华环保科技有限公司 | High-efficient denitrification and dephosphorization MBR process and device |
| CN201729739U (en) * | 2010-03-23 | 2011-02-02 | 中国市政工程华北设计研究总院 | High-efficient sewage treatment system capable of realizing reasonable distribution of carbon sources |
| CN102295346A (en) * | 2011-06-14 | 2011-12-28 | 江苏龙腾工程设计有限公司 | Adjustable biochemical tank and adjustable AAO process for water treatment |
| CN102730834A (en) * | 2012-07-16 | 2012-10-17 | 天津城市建设学院 | Gate-type recycle ratio adjustable oxidation ditch device and method for operating same |
| CN203602406U (en) * | 2013-12-13 | 2014-05-21 | 盐城工学院 | Rotary adjustable anaerobic-anoxic-aerobic biochemical reactor |
-
2013
- 2013-12-13 CN CN201310680970.6A patent/CN103755024B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990393A (en) * | 2005-12-26 | 2007-07-04 | 北京城市排水集团有限责任公司 | Five-factor wastewater treating apparatus |
| CN201261748Y (en) * | 2008-04-18 | 2009-06-24 | 北京工业大学 | Chemical dephosphorization apparatus based on anoxic-anaerobic-oxidation ditch |
| CN101519266A (en) * | 2009-04-09 | 2009-09-02 | 北京清大国华环保科技有限公司 | High-efficient denitrification and dephosphorization MBR process and device |
| CN201729739U (en) * | 2010-03-23 | 2011-02-02 | 中国市政工程华北设计研究总院 | High-efficient sewage treatment system capable of realizing reasonable distribution of carbon sources |
| CN102295346A (en) * | 2011-06-14 | 2011-12-28 | 江苏龙腾工程设计有限公司 | Adjustable biochemical tank and adjustable AAO process for water treatment |
| CN102730834A (en) * | 2012-07-16 | 2012-10-17 | 天津城市建设学院 | Gate-type recycle ratio adjustable oxidation ditch device and method for operating same |
| CN203602406U (en) * | 2013-12-13 | 2014-05-21 | 盐城工学院 | Rotary adjustable anaerobic-anoxic-aerobic biochemical reactor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348446A (en) * | 2016-11-10 | 2017-01-25 | 盐城工学院 | Corner adjustable type wastewater treatment biochemical reactor |
| CN107089727A (en) * | 2017-06-27 | 2017-08-25 | 重庆大学 | A kind of integral type three-level AO sewage disposal systems and its handling process |
| CN112592006A (en) * | 2020-12-30 | 2021-04-02 | 华夏碧水环保科技有限公司 | Domestic sewage treatment integrated device for reducing sludge yield |
| CN112811574A (en) * | 2021-01-15 | 2021-05-18 | 北京首创清源环境科技有限公司 | Integrated sewage treatment system with multiple operation modes |
| CN114229998A (en) * | 2021-11-27 | 2022-03-25 | 西安科技大学 | Sectional type biological rotating disc |
| CN115536152A (en) * | 2022-10-12 | 2022-12-30 | 陕西省水务集团环境技术运维有限公司 | Sewage low temperature denitrification processing system |
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| CN103755024B (en) | 2015-09-30 |
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