CN103755024B - A kind of rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor - Google Patents
A kind of rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor Download PDFInfo
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Abstract
The invention discloses a kind of rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, this reactor is in revolution gallery type, be provided with 4 wide contour water gallerys excessively of continuous print, be assigned as anaerobism section, anoxic section and aerobic section, the adjustment of anaerobism section, anoxic section and aerobic section distribution volume is realized by the change of moveable bulkhead position, moveable bulkhead bottom arranges water hole mouth, and the bottom of every bar gallery of reactor is equipped with controlled aerating apparatus.Biochemical reactor provided by the invention is reasonable in design, compact construction, Corridor Design is flexible, easy to adjust easy, investment working cost is low, can according to the relative hydraulic detention time of pending waste water quality situation flexible anaerobism section, anoxic section and aerobic section, when processing different waste water or the change of pending waste water quality, reactor all can be made to maintain the treatment effect of stability and high efficiency on the whole, there is good environmental benefit and economic benefit.
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, to some extent solves the organic matter removal of sewage and the problem of denitrogenation dephosphorizing.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, Relative volumes is fixed, controllability is poor, and for the trade effluent that water quality treatment is special, each conversion zone hydraulic detention time and processing load are difficult to regulate, some trade effluents of high-concentration hardly-degradable organism, high nitrogen and high phosphorus can not be adapted to completely, limit the development and apply of this type of biochemical reactor.
Chinese patent CN201110157920.0 discloses " a kind of adjustable biochemical tank and carry out the adjustable A/A/O technique of water treatment ", although technique is changeable, fail fundamentally to change respectively anaerobism section, the actual useful volume size of anoxic section and aerobic section and relative hydraulic detention time ratio.Chinese patent CN200510132777.4 " five-factor wastewater treating apparatus ", the volume fraction of anaerobic pond, anoxic pond, Aerobic Pond can adjust, but need anaerobic pond, anoxic pond and Aerobic Pond to be arranged in order, and be linked to be a rectangle great Chi, regulate with moving partition, thus floor space is large, and three biochemical reaction section arrangement forms are single, not easily regulate, be of limited application.
Therefore, on the basis of existing technology necessary, a kind of reasonable in design, compact construction of research and development, adjustment is easy, floor space is little, high financial profit, applied range, can adapt to the biochemical reactor of the wastewater treatment demand of multiple-quality water or change water quality.
Summary of the invention
Goal of the invention: the object of the invention is 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 water quality wastewater treatment demand, 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 in revolution gallery type, be provided with 4 wide contour water gallerys excessively of continuous print, be assigned as anaerobism section, anoxic section and aerobic section, wherein along waste water flow direction, initial gallery arranges I moveable bulkhead, 2nd article of gallery arranges II moveable bulkhead, initial gallery and the 2nd article of gallery wall arrange railroad, realize anaerobism section, anoxic section and aerobic section distribute segmentation and the adjustment of volume, gallery between water inlet pipe to I moveable bulkhead is anaerobism section, be anoxic section between I moveable bulkhead to II moveable bulkhead, it is aerobic section between II moveable bulkhead to rising pipe, described I moveable bulkhead and the bottom of II moveable bulkhead arrange water hole mouth.
Preferably, every bar gallery bottom of above-described reactor is provided with aerating apparatus, and described aerating apparatus comprises aeration house steward, the aeration main be connected with aeration house steward, the aeration branch pipe be connected with aeration main, aeration branch pipe end is provided with aeration head, and aeration branch pipe is provided with control valve.
Preferably, 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, hydraulic pusher, oil motor, worm gear thruster, adopts underwater propeller can accelerate current flowing, improves hydraulics, reduce current dead angle, improve waste water treatment efficiency.
When processing sanitary sewage, consider to remove COD and denitrogenation dephosphorizing, the distribution volumetric ratio of anaerobism section, anoxic section and aerobic section is 1:1:3 or 1:1:4 simultaneously;
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, which increases the Relative volumes of aerobic section, extends the time of aerobic section aeration.
The present invention is for process trade effluent, and consider to extend the relative hydraulic detention time of anaerobism section, the effect of reinforced anaerobic section biochemical treatment, 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, needs emphatically to carry out dephosphorization, considers to extend anaerobism section, the relative hydraulic detention time of aerobic section, and be beneficial to anaerobic phosphorus release and aerobic suction phosphorus, 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 process high-nitrogen waste water, when considering emphatically denitrogenation, 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 backflow of biochemical reactor post precipitation unit is located at anaerobism section initiating terminal, the backflow of anoxic section nitrification liquid is located at the initiating terminal of anoxic section, enters gallery by pump and Cemented filling.The present invention arranges aerating apparatus in every bar gallery bottom, aeration rate is controlled by control valve, anaerobism section closes control valve, anoxic section and aerobic section control aeration rate by regulating control valve, 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.
Preferably, above-described rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, described moveable bulkhead is realized along moving around and fixing in gallery rectilinear direction by the railroad of electric machine control.As more preferably scheme, dividing plate adopts the material identical with reactor pool wall or structure (steel plate or steel reinforced concrete), and pool wall arranges electric device and slide rail, utilizes motor carry out moving around of Electronic control dividing plate and fix.
The present invention can according to the characteristic of concrete pending waste water, processing requirements and operational requirement, moveable bulkhead is adopted to separate anaerobism section, anoxic section and aerobic section, make each conversion zone microbial population carrying out biochemical reaction wherein relatively independent, the environmental facies of corresponding biochemical reaction are to held stationary.Because the water gallery excessively of 4 continuous print is wide contour, the length of each conversion zone is thus regulated namely to achieve the adjustment of each conversion zone distribution volume.The position of adjustment 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 adjusts according to the shape in actual place, scene flexibly with moving towards to arrange, gallery totally moves towards to be from inside to outside, and in rotary type, but gallery current specifically flow to rising pipe position 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 according to pending waste water quality situation flexible anaerobism section, anoxic section hydraulic detention time relative to aerobic section, moveable bulkhead is adopted 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.Thus, the present invention is widely used, and 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 process, 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, the mode changing moveable bulkhead position can be utilized to change the relative distribution volume of anaerobism section, anoxic section and aerobic section, thus make the relative hydraulic detention time of wherein certain biochemical reaction section extend or shorten, with the processing demands of the waste water of the waste water or change water quality that adapt to different quality characteristic, and regulate very convenient.
3, rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor provided by the invention, to the strong adaptability that the wastewater treatment of all kinds waste water or change of water quality requires, has flexible design, feature that investment working cost is low simultaneously.Because reactor provided by the invention is crossed the revolution of water gallery by contour wide continuous print and is designed, so the allotment of gallery length size flexibly, gallery current trend also can according to the shape in actual place, scene, and the position flexible of rising pipe, and the restriction in place is not reserved by reactor, thus 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, and 2: thruster, 3: aerobic section, 4:I moveable bulkheads, 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, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Embodiment 1
As depicted in figs. 1 and 2, a kind of rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, described reactor is in revolution gallery type, be provided with 4 wide contour water gallerys excessively of continuous print, be assigned as anaerobism section (3), anoxic section (5) and aerobic section (7), wherein along waste water flow direction, initial gallery arranges I moveable bulkhead (4), 2nd article of gallery arranges II moveable bulkhead (6), initial gallery and the 2nd article of gallery wall arrange railroad, 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.
Gallery between water inlet pipe (1) to I moveable bulkhead (4) is anaerobism section, be anoxic section between I moveable bulkhead (4) to II moveable bulkhead (6), be aerobic section between II moveable bulkhead (6) to rising pipe (8), described I moveable bulkhead (4) and the bottom of II moveable bulkhead (6) arrange water hole mouth.Described moveable bulkhead is realized along moving around and fixing in gallery rectilinear direction by the railroad of electric machine control.As more preferably scheme, dividing plate adopts the material identical with reactor pool wall or structure (steel plate or steel reinforced concrete), and pool wall arranges electric device and slide rail, utilizes motor carry out moving around of Electronic control dividing plate and fix.
Rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor provided by the invention, wherein the precipitating sludge backflow of biochemical reactor post precipitation unit is located at anaerobism section initiating terminal, the backflow of anoxic section nitrification liquid is located at the initiating terminal of anoxic section, enters gallery by pump and Cemented filling.The present invention arranges aerating apparatus in every bar gallery bottom, described aerating apparatus comprises aeration house steward (9), the aeration main (10) be connected with aeration house steward (9), the aeration branch pipe (11) be 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).Control aeration rate by control valve, anaerobism section closes control valve, and anoxic section and aerobic section control aeration rate by regulating control valve, 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 process, 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 forming anaerobism section, anoxic section and aerobic section is 1:1:3 or 1:1:4.After adopting biochemical reactor process of the present invention, the water-quality guideline of sanitary sewage: 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 after post precipitation unit after reactor for treatment of the present invention, is all like this in following examples).
Embodiment 2
Adopt reactor for treatment commonly industrial wastewater provided by the invention, described reactor crosses the separation mode of water Corridor Design layout and 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 handling object, and different anaerobism sections, anoxic section and aerobic section is adopted to distribute volumetric ratio.
For the trade effluent of process difficult degradation, before process, 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, adopt 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.
Embodiment 3
Adopt reactor for treatment high phosphorus waste water provided by the invention, described reactor crosses the separation mode of water Corridor Design layout and 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 handling object, and different anaerobism sections, anoxic section and aerobic section is adopted to distribute volumetric ratio.
For process high phosphorus waste water, before process, 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, adopt 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.
Can find out that reactor for treatment of the present invention is widely applicable from example 1 ~ 3, in the face of broad variety water quality waste water all can keep the advantage of efficient biochemical process.
Embodiment 4
Adopt a kind of rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor processing variation water quality waste water, described reactor crosses the separation mode of water Corridor Design layout and 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 change 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, based on sanitary sewage, before process, 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 forming anaerobism section, anoxic section and aerobic section is 1:1:3, after adopting biochemical reactor process of the present invention, the water-quality guideline of sanitary sewage: 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, (such as a small amount of trade effluent is had to enter sewage treatment plants process when the Industrial Zone built, or have trade effluent pipe leakage to enter city planting ductwork) to be changed to COD be 500 ~ 2000mg/L to waste water before treatment, 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, then be not suitable with present influent quality, long-time running can cause 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 anaerobism section, anoxic section and aerobic section to adjust, 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, the water-quality guideline of waste water after the process of adjustment post-reactor: COD is 50 ~ 80mg/L, ammonia nitrogen≤5.0mg/L, total phosphorus≤1.0mg/L, thus makes reactor of the present invention remain high-performance bio process.
The process of reactor Adaptive change waste water quality of the present invention can be found out from example 4, there is the advantage of flexible adjustment.
Claims (1)
1. a rotary type adjustable type anaerobic-anoxic-oxic biochemical reactor, it is characterized in that: described reactor is in revolution gallery type, be provided with 4 wide contour water gallerys excessively of continuous print, be assigned as anaerobism section, anoxic section and aerobic section, wherein along waste water flow direction, initial gallery arranges I moveable bulkhead, 2nd article of gallery arranges II moveable bulkhead, initial gallery and the 2nd article of gallery wall arrange railroad, 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, the distribution volumetric ratio forming 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, the bottom of gallery revolution place of described reactor is equipped with underwater propeller, described moveable bulkhead realizes along moving around and fixing in gallery rectilinear direction by the railroad of electric machine control,
Every bar gallery bottom of described reactor is equipped with aerating apparatus, described aerating apparatus comprises aeration house steward, the aeration main be connected with aeration house steward, the aeration branch pipe be connected with aeration main, aeration branch pipe end is provided with aeration head, and aeration branch pipe is provided with control valve.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN112592006B (en) * | 2020-12-30 | 2021-09-24 | 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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