CN201737763U - Intensive-denitrification biological contact oxidation pond - Google Patents
Intensive-denitrification biological contact oxidation pond Download PDFInfo
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- CN201737763U CN201737763U CN2010202709842U CN201020270984U CN201737763U CN 201737763 U CN201737763 U CN 201737763U CN 2010202709842 U CN2010202709842 U CN 2010202709842U CN 201020270984 U CN201020270984 U CN 201020270984U CN 201737763 U CN201737763 U CN 201737763U
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- contact oxidation
- biological contact
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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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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses an intensive-denitrification biological contact oxidation pond in the water purification technical field, comprising a water inlet pipe, a water outlet pipe, a pond body and filter mechanisms, wherein, the water inlet pipe and the water outlet pipe are respectively arranged at both ends of the pond body; plurality of filter mechanisms are sequentially interlaced in the pond body. The utility model can ensure the waste water to flow through filter films and compound filling layers sequentially along the preset flow route and to be fully mixed and interacted, microbes grow with the existed nutritious substances in the waste water or the newly-added carbon source substances, metabolize and decompose the organic pollutant in the waste water and simultaneously denitrify the waste water. The utility model can denitrify the nitrate nitrogen in the waste water processed and nitrified in the primary biological contact oxidation pond and remove the nitrogen produced after the denitrification and strengthen the effect of denitrifying the waste water by the whole system while in the process of biological contact oxidation.
Description
Technical field
The utility model relates to a kind of device of water body purification processing technology field, specifically is a kind of strengthened denitrification biological contact oxidation pond.
Background technology
In recent years, along with industrial or agricultural and rapid economic development, the urbanization construction is accelerated, urban population expands, and has caused that urban industry and domestic consumption heighten, simultaneously, corresponding pollutant discharge amount also rolls up, caused drinking water source generally to be polluted, drinking water quality worsens, so trade effluent and sanitary sewage etc. just can discharge after must reaching certain standard through processing, in sewage disposal, introduce biochemical processing method, be comparatively economical at present, effectively, feasible sewage water treatment method.
Biochemical processing method has a variety of, mainly comprises conventional activated sludge process, biological contact oxidation process, SBR method etc., because it is little that biological contact oxidation process has floor space, effluent quality is good, reduced investment, working cost is low, run flexiblely, flow process is simple, is easy to management, characteristics such as shock resistance is good are so it is central next more and more to apply to the processing of sanitary sewage.
Biological contact oxidation process biological contact oxidation process is a kind of biological effluent treatment that derives from from biomembrance process, promptly in biological contact oxidation pond, load the filler of some amount, utilization is dwelt and is attached to the microbial film on the filler and the oxygen of ample supply, pass through biological oxidation, oxidation operation in the waste water is decomposed, reach the purification purpose.Biological contact oxidation process is to be commonly called as the microbial film on the filler attached to carrier, a kind of efficient water technology of purification of organic waste water.Biomembrance process with activated sludge process characteristics has the advantage of activated sludge process and biomembrance process concurrently.But under biochemical condition,, all obtained good economic benefit no matter be applied to the processing of trade effluent or aquaculture wastewater, sanitary sewage.
The characteristics of biological contact oxidation process:
1, because packing specific area is big, and aerobic condition is good in the pond, and the biosolids amount of unit volume is higher in the pond, therefore, biological contact oxidation pond has higher volumetric loading;
2, because the interior biosolids amount of biological contact oxidation pond is many, current mix fully, so the cataclysm of water quality and quantity is had stronger adaptive faculty;
3, surplus sludge volume is few, does not have the sludge bulking problem, and operational management is easy.
4. purification efficiency height; The processing required time is short; Change adaptability to the water inlet organic loading is stronger; Needn't carry out mud and reflux, not have the sludge bulking problem simultaneously.
Biological contact oxidation process has the basic characteristics of biomembrance process, but is not quite similar with general biomembrance process.The one, all be immersed in the waste water for the microorganism attached filler of dwelling, so biological contact oxidation pond claims the submerged filter tank again.The 2nd, adopt mechanical means oxygenation in waste water, and be different from general biological filter by the natural ventilation oxygen supply, be equivalent in the aeration tank, add for the microorganism attached filler of dwelling, also can be described as aeration circular form filter tank or contact aerator.The 3rd, also there is about 2～5% suspended state active sludge in the pond in the waste water, to waste water also aseptic.Therefore biological contact oxidation process is a kind of biomembrance process with activated sludge process characteristics, has the advantage of biomembrance process and activated sludge process concurrently.
The bio-contact oxidation system can make the organism in the waste water well be decomposed at present, the effect of removing COD is obvious, but owing in the traditional biological catalytic oxidation system aerating system is arranged all, though there is certain anaerobic environment in the microbial film inside that forms in filler, can carry out denitrification process, but because whole system is because the effect of aeration, so belong to aerobic environment generally, aerobic microbiological is occupied an leading position in this environment, decomposing organic matter is preferably arranged, promptly reduce the effect of COD, but under this aerobic environment denitrifying bacteria effect less, cause the denitrification effect of biological contact oxidation pond with this understanding undesirable.
The utility model content
The utility model is at the prior art above shortcomings, a kind of strengthened denitrification biological contact oxidation pond is provided, be provided with by certain spatial array and arrangement, can make current pass through filtering membrane and combined stuffing successively and the thorough mixing effect, utilize in the sewage existing nutritive substance or the extra carbon source material that adds is grown and carry out denitrification denitrogenation the metabolism decomposing organic pollutant time along the cloth stream line of setting.This device elementary biological contact oxidation pond can be handled and nitrated after sewage in the anti-back formation nitrogen that digests of nitric nitrogen remove, thereby in bio-contact oxidation, strengthened the denitrification effect of whole system to sewage.
The utility model is achieved through the following technical solutions, and the utility model comprises: water inlet pipe, rising pipe, pond body and filter mechanism, and wherein: water inlet pipe and rising pipe are arranged at the two ends of pond body respectively, and some groups of filter mechanisms are crisscross arranged in the Yu Chiti successively.
Described filter mechanism comprises: filler rack, filler, support and filtering membrane, and wherein: filtering membrane is fixedly set in the support, and support is fixedly set in a side of filler rack, and filler is fixedly set in the filler rack.
Described positive and negative staggered being meant: two adjacent filter mechanisms be crisscross arranged respectively bottom and top with the pond body.
This device workflow is as follows:
Open water inlet pipe, pending waste water is incorporated in this biological contact oxidation pond, then current flow according to body the place ahead, direction pond of differential water pressures, after having run into the first layer filtering membrane, because current are bigger by the resistance of film, it can be through continuing to flow forward through space, film below, and then the 3-D filler layer at process film rear, after the thorough mixing effect, flow to second layer filtering membrane again, be subjected to upwards flowing behind certain resistance and through second 3-D filler layer, continuing to be docile and obedient preface after the thorough mixing effect again flows forward, membrane module in the total system and 3-D filler assembly are arranged and series arrangement through certain spatial distribution, can make sewage in the process of whole system of flowing through, water body fully contacts successively mutually with membrane module and filler, attached to the microorganism and the effect of pollutants in sewage matter thorough mixing that reach on the film in the 3-D filler, has reached the effect of good removal pollutent; Be no aerating apparatus in addition in this system, this system is in little oxygen or little anaerobic state behind the stabilizing treatment certain hour, aerobic microbiological accounts for less part under this state, this part aerobic microbiological can be eliminated COD residual in the sewage, and the ratio of anaerobion rises in this state, denitrifying bacteria increases gradually, effect strengthens, it can carry out denitrification with the nitric nitrogen of leaving in the previous processed process, thereby make nitrogen well be removed effect, be connected with a water shoot on the top of pond body end, can or enter next step with the water qualified discharge handled and further deeply handle.
What need be noted is: before this new bio catalytic oxidation system handles, the comparatively ideal state of water body is that wherein nitrogen mostly is nitric nitrogen greatly, be convenient to the carrying out of this denitrification step like this, so before this new bio catalytic oxidation system, suggestion connects an elementary bio-contact oxidation system, in this system, carry out processes such as aeration oxygen replenishing, make it in the process of carrying out aerobic sigestion, make the nitrogen in the water body become nitric nitrogen, so that the better effectiveness of this novel reinforced denitrogenation bio-contact oxidation system's performance.
Under a lot of situations, enter the waste water of this new bio catalytic oxidation system owing to passed through the many treating processess in front, COD value wherein is very low, this shows that the carbon source material that wherein supplies microorganism growth and energy requirement may be not enough, and the deficiency of carbon source material will directly influence the size and the denitrifying action effect thereof of biomass in this system, so COD cross low or the insufficient situation of carbon source under, perhaps at initial stage that microorganism colonization is cultivated, the carbon source add-on system can be set at the front end of system, take the circumstances into consideration to add corresponding carbon source material for example glucose or methyl alcohol etc. according to practical situation, for microbial growth and metabolism provide energy, thereby be more conducive to the carrying out of denitrification process, so that whole system reaches best effect.
In this device, owing to do not use aerating system, thereby the current in the total system stir and mixture strength is littler than using aerating system, so on the film and the amount of coming off of microbial film in the filler and active sludge less, this makes the water outlet SS of total system lower, thereby can improve effluent quality, but increase along with the reaction times, microbial film in microbial film and the filler and mud are changed speed and are thickeied more slowly and gradually, may stop up easily than aeration and biological catalytic oxidation cell system, so this new bio catalytic oxidation cell system is in operational process, at set intervals or treatment effect when not good, will regularly carry out the pond body, the cleaning of membrane module and 3-D filler assembly is cleared up and is dredged, thus the normal operation of the system of assurance.
Description of drawings
Fig. 1 is the utility model structure side view.
Embodiment
Below embodiment of the present utility model is elaborated; present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: water inlet pipe 1, rising pipe 2, pond body 3 and filter mechanism 4, and wherein: water inlet pipe 1 and rising pipe 2 are arranged at the two ends of pond body 3 respectively, and seven groups of filter mechanisms 4 are crisscross arranged successively in pond body 3.
Described filter mechanism 3 comprises: filler rack 5, filler 6, support 7 and filtering membrane 8, wherein: filtering membrane 8 is fixedly set in the support 7, support 7 is fixedly set in a side of filler rack 5, filler 6 is fixedly set in the filler rack 5, and two adjacent filter mechanisms 3 are arranged at the top and the bottom of pond body respectively.
Be provided with extreme trace filtering net 9 in the described pond body 3, this extreme trace filtering net 9 is specifically between rising pipe 2 and filter mechanism 3.
Described filtering membrane 9 is specially baer's membrane.
Claims (5)
1. a strengthened denitrification biological contact oxidation pond is characterized in that, comprising: water inlet pipe, rising pipe, pond body and filter mechanism, and wherein: water inlet pipe and rising pipe are arranged at the two ends of pond body respectively, and some groups of filter mechanisms are crisscross arranged in the Yu Chiti successively.
2. strengthened denitrification biological contact oxidation pond according to claim 1, it is characterized in that, described filter mechanism comprises: filler rack, filler, support and filtering membrane, wherein: filtering membrane is fixedly set in the support, support is fixedly set in a side of filler rack, and filler is fixedly set in the filler rack.
3. strengthened denitrification biological contact oxidation pond according to claim 1 is characterized in that, described positive and negative staggered being meant: two adjacent filter mechanisms be crisscross arranged respectively bottom and top with the pond body.
4. strengthened denitrification biological contact oxidation pond according to claim 1 is characterized in that, is provided with the extreme trace filtering net in the body of described pond, and this extreme trace filtering net is specifically between rising pipe and filter mechanism.
5. strengthened denitrification biological contact oxidation pond according to claim 2 is characterized in that described filtering membrane is specially baer's membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202709842U CN201737763U (en) | 2010-07-27 | 2010-07-27 | Intensive-denitrification biological contact oxidation pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202709842U CN201737763U (en) | 2010-07-27 | 2010-07-27 | Intensive-denitrification biological contact oxidation pond |
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| Publication Number | Publication Date |
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| CN201737763U true CN201737763U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202709842U Expired - Fee Related CN201737763U (en) | 2010-07-27 | 2010-07-27 | Intensive-denitrification biological contact oxidation pond |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420570A (en) * | 2019-08-06 | 2019-11-08 | 天津工业大学 | A kind of cuboid membrane module based on townhouse hollow fiber form nonwoven fabrics composite film |
| CN110745943A (en) * | 2019-10-30 | 2020-02-04 | 苏州工业园区清源华衍水务有限公司 | Method for denitrification based on short-term hunger and denitrification biological filter system |
-
2010
- 2010-07-27 CN CN2010202709842U patent/CN201737763U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420570A (en) * | 2019-08-06 | 2019-11-08 | 天津工业大学 | A kind of cuboid membrane module based on townhouse hollow fiber form nonwoven fabrics composite film |
| CN110745943A (en) * | 2019-10-30 | 2020-02-04 | 苏州工业园区清源华衍水务有限公司 | Method for denitrification based on short-term hunger and denitrification biological filter system |
| CN110745943B (en) * | 2019-10-30 | 2021-11-02 | 苏州工业园区清源华衍水务有限公司 | Method for denitrification based on short-term hunger and denitrification biological filter system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20130727 |