CN203319772U - Efficient denitrification integrated biological rotary cage - Google Patents
Efficient denitrification integrated biological rotary cage Download PDFInfo
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- CN203319772U CN203319772U CN201320371343XU CN201320371343U CN203319772U CN 203319772 U CN203319772 U CN 203319772U CN 201320371343X U CN201320371343X U CN 201320371343XU CN 201320371343 U CN201320371343 U CN 201320371343U CN 203319772 U CN203319772 U CN 203319772U
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- rotating cage
- efficient denitrification
- aerobic zone
- zone
- denitrification integral
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Abstract
The utility model discloses an efficient denitrification integrated biological rotary cage, which aims to solve the problems that an existing biological rotary disc is low in volume load, has a complex disc plate structure and is high in manufacturing and processing expense, that a rotary disc driving device is high in maintenance load, and that biological membranes on a disc plate are likely to generate odor due to anaerobic fermentation. The efficient denitrification integrated biological rotary cage provided by the utility model comprises a body and an inverted 'T'-shaped baffle plate component which is arranged in the body and is formed by the combination of a longitudinal first baffle plate and a transverse second baffle plate; the baffle plate component separates the body into an anoxic zone, an aerobic zone and a settling zone; the bottom of the first baffle plate is provided with an opening through which wastewater flows into the aerobic zone from the anoxic zone; the upper part of the anoxic zone is provided with a water inlet; the aerobic zone is internally provided with a biological rotary cage; the upper parts of the aerobic zone and the anoxic zone are communicated through a backflow trench; the second baffle plate is also provided with an overflow pipe which is communicated with the aerobic zone and the settling zone respectively; the settling zone is also provided with a water outlet. The efficient denitrification integrated biological rotary cage provided by the utility model is compact in structure, occupies a small area, does not require aeration by a fan, and is low in running cost.
Description
Technical field
The utility model relates to a kind of efficient denitrification integral bio rotating cage.
Background technology
Blodisc (Rotating Biological Contactor, be called for short RBC) be a kind of biomembrance process wastewater processing technology, there is the advantages such as microorganism concn is high, biophase classification, the anti impulsion load ability is strong, sludge quantity is few, effluent quality is good, power consumption is low, maintenance management is convenient, in the processing of the sewage of low concentration such as sanitary sewage, obtain more application.But generally blodisc exists that volumetric loading is low, disc structure is complicated, manufactures that processing charges is high, the rotating blade drive maintenance load large, the easy anaerobically fermenting of microbial film produces stink etc. on disc, so this technology also needs to further develop.
The utility model content
The purpose of this utility model is to provide a kind of efficient denitrification integral bio rotating cage, the problem that solve that existing blodisc exists that volumetric loading is low, disc structure is complicated, manufactures that processing charges is high, the rotating blade drive maintenance load large, the easy anaerobically fermenting of microbial film produces stink on disc.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Efficient denitrification integral bio rotating cage, comprise body, be arranged in body and constitute inverse-T-shaped baffle assembly by the first dividing plate of vertical setting and the second partition of arranged transversely, this baffle assembly is separated into oxygen-starved area, aerobic zone and settling region by body, and the first dividing plate bottom is provided with so that waste water flows into the opening of aerobic zone from oxygen-starved area; Top, described oxygen-starved area is provided with water-in, in described aerobic zone, is provided with biological rotating cage; Described aerobic zone and top, oxygen-starved area also are interconnected by the backflow canal; Also be provided with the upflow tube all be communicated with aerobic zone and settling region on described second partition; Described settling region also is provided with water outlet.
Further, described biological rotating cage comprises at least one rotating cage, is connected with rotating cage and can drives the transmission shaft of rotating cage rotation, is connected with transmission shaft and is positioned at the reduction box of body exterior and the motor be connected with reduction box; Described transmission shaft is installed in body by clutch shaft bearing and the second bearing; Be filled with biological filler in all rotating cages, and this rotating cage bottom is positioned at aerobic zone, top is positioned at outside aerobic zone.
Again further, described transmission shaft also is provided with bucket away from an end of reduction box and carries device; Also be provided with on described body and be positioned at the return line that bucket is carried the device top and is communicated with the backflow canal.
As a kind of preferred, described rotating cage is porous cage shape, aperture 5～50mm; Described biologic packing material surface also is provided with microbial film; Described biological filler is made by high molecular synthetic material, plastics or chemical fibre textile, and it is shaped as circle, ellipse or square, and diameter is 1～50mm.
Further, the bottom of described oxygen-starved area also is provided with the first mud discharging mouth; The bottom of described settling region also is provided with the second mud discharging mouth.
Again further, bottom described the first dividing plate with between body, do not contact; Perhaps, the first dividing plate bottom contacts with body, and is provided with the opening of close body on the first dividing plate, circular, the square or trilateral of being shaped as of its opening.
For fear of the leakage of waste water, also be provided with tightness system between described transmission shaft and body.
In addition, described water inlet also is provided with for stopping the fine fack of scum silica frost.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model takes full advantage of the advantages such as the processing efficiency of biological rotating cage and biomembrance process is high, excess sludge is few, adopt the biological filler with high-specific surface area simultaneously, in conjunction with immobilized microorganism technique, form independently oxygen-starved area, aerobic zone and settling region a treatment unit inside, nitrated-denitrification is completed in a device, the COD in energy efficient degradation sewage
CrGood and processing efficiency is high with pollutents, particularly denitrification effect such as nitrogen, there is good environmental benefit and social benefit.
(2) the utility model compact construction, rationally, little, the good looking appearance of floor space, modern design; Reduced investment, without the blower fan aeration, running cost is low; Removable, convenient management, processing efficiency are high; Biomass is high, strong shock resistance.
(3) the utility model volume is small and exquisite, removable, is applicable to the sanitary sewage disposal of population accumulation area on a small scale such as residential quarter, tourist attractions, Peasants Joy, military camp, also can be used for the processing of the low-concentration industrial waste water of the little readily biodegradable for the treatment of capacity.Device can adopt superstructure or half buried or complete buried structure, and floor space is little.For the harmony of increase with environment, can flower stand be set in this device outside and top, plant climbing plant and afforest flowers and plants, realize the perfect unity of wastewater treatment equipment and environment.
(4) sanitary sewage that the utility model was processed or the lower concentration industrial sewage of easily degrading, its COD
CrAnd NH
3The index such as-N, total nitrogen all reaches " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level A emission standard of middle regulation.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 be in Fig. 1 A-A to structural representation.
Wherein, the component name that in accompanying drawing, mark is corresponding is called:
The 1-body, 2-oxygen-starved area, 3-aerobic zone, 4-settling region, 5-the first dividing plate, 6-second partition, 7-water-in, 8-backflow canal, the 9-upflow tube, 10-water outlet, 11-rotating cage, 12-transmission shaft, the 13-reduction box, 14-motor, 15-clutch shaft bearing, 16-the second bearing, the 17-biological filler, the 18-bucket is carried device, 19-return line, the 20-fine fack, 21-the first mud discharging mouth, 22-the second mud discharging mouth.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
Blodisc (Rotating Biological Contactor, be called for short RBC) be a kind of biomembrance process wastewater processing technology, there is the advantages such as microorganism concn is high, biophase classification, the anti impulsion load ability is strong, sludge quantity is few, effluent quality is good, power consumption is low, maintenance management is convenient, in the processing of the sewage of low concentration such as sanitary sewage, obtain more application.But generally blodisc exists that volumetric loading is low, disc structure is complicated, manufactures that processing charges is high, the rotating blade drive maintenance load large, the easy anaerobically fermenting of microbial film produces stink etc. on disc, so this technology also needs to further develop.The utility model is by being improved the traditional biological rotating disk, changing disc is the rotating cage type structure, add the carrier that filler adheres to as microbial film in rotating cage, to improve reactor inner transmission matter performance, the strengthening water treatment effect, drive the bucket elevator structure while utilizing the rotating cage rotation simultaneously, the nitrification liquid of aerobic zone is promoted and is back to oxygen-starved area by return line, with water inlet, mix mutually, reached the purpose of efficient denitrification, qualified discharge or reuse after the water outlet of aerobic zone precipitates by settling region, it is good that this utility model is developed treatment effect, less investment, working cost is low, take up an area little, the treatment unit of the small-sized sanitary sewage of convenient management.
As shown in Figure 1, 2, efficient denitrification integral bio rotating cage, comprise body 1, this body is made by materials such as stainless steel, carbon steel, plastics or glass reinforced plastic, the inverse-T-shaped baffle assembly of whole body is divided into three zones, be respectively oxygen-starved area 2, aerobic zone 3 and settling region 4, this baffle assembly is constituted by the first dividing plate 5 of vertical setting and the second partition 6 of arranged transversely, opening is not sealed or left in the first dividing plate 5 bottoms, so that the waste water of oxygen-starved area can flow in aerobic zone from opening part.2 tops, described oxygen-starved area also are provided with water-in 7, in order to hold back the scum silica frost in waste water, also are provided with fine fack 20 in water inlet, can regularly by labor cleaning's mode, remove the scum silica frost be retained down.Waste water, by after fine fack, enters in ，Zai oxygen-starved area, oxygen-starved area and the nitrification liquid refluxed from aerobic zone mixing, by the denitrification of denitrifying bacteria, nitric nitrogen is become to nitrogen and remove, and reaches the purpose of denitrogenation.Because opening is not sealed or left in the first dividing plate 5 bottoms, waste water just thus opening enter aerobic zone.
Further, be provided with biological rotating cage in described aerobic zone 3, this biological rotating cage comprises at least one rotating cage 11, and all rotating cages 11 bottoms are positioned at aerobic zone 3, top is positioned at outside aerobic zone 3, when a plurality of rotating cage is arranged, each rotating cage is parallel with one another and connected by the transmission shaft 12 that can drive rotating cage 11 rotations, described transmission shaft 12 also is connected with the reduction box 13 that is arranged at body 1 outside, reduction box 13 also is connected with for driving the motor 14 of transmission shaft 12 rotations, thereby can be by changing the reduction box speed ratio or changing turntable rotation speed by motor variable-frequency speed-regulating, to reach best aeration rate and optimum treatment effect.In order to guarantee that biological rotating cage normally moves, described transmission shaft 12 is installed on body 1 inside by clutch shaft bearing 15 and the second bearing 16, and, for fear of the leakage of waste water, between transmission shaft 12 and body, is provided with tightness system, and the sealing device belongs to prior art, therefore not in this narration.Described transmission shaft 12 also is provided with bucket away from an end of reduction box 13 and carries device 18, when transmission shaft 12 rotation, bucket is carried device and can be rotated together, import and be arranged on body 1 and be positioned at the return line 19 that bucket is carried device 18 tops after nitrification liquid is promoted, and return line 19 also is communicated with the backflow canal 8 that is arranged at aerobic zone 3 and 2 tops, oxygen-starved area and all is communicated with aerobic zone 3 and oxygen-starved area 2, nitrification liquid enters backflow canal 8 by return line 19 gravity flows propose device 18 liftings by bucket after, by backflow canal 8, flows into oxygen-starved area and waste water hybrid reactions.It is to make it pass back into oxygen-starved area 2 for the nitrification liquid by aerobic zone is promoted to 19 mouthfuls of return lines smoothly that above-mentioned bucket is put forward the device main purpose, certainly adopting other devices to promote nitrification liquid also can, only needing can be when rotating cage rotates, and it can follow rotating cage rotate together and nitrification liquid is sent in return line and got final product.
In addition, upflow tube 9 overflows of waste water through being arranged on second partition and all being communicated with aerobic zone 3 and settling region 4 after aerobic zone 3 is processed are to settling region 4, and waste water after precipitation is by water outlet 10 discharges or recycling; In addition, in oxygen-starved area, 2 bottom also is provided with the first mud discharging mouth 21; The bottom of described settling region 4 also is provided with the second mud discharging mouth 22, can regularly excess sludge be discharged.
Described rotating cage 11 outside frameworks are made with porous plate or screen cloth, and its aperture is from 5mm to 50mm, and material can be selected stainless steel, carbon steel, plastics or glass reinforced plastic.Also be filled with biological filler 17 in described rotating cage, described biological filler 17 can select plastics, chemical fibre textile, polyhedron empty ball, high molecular polymer carrier or other that biological filler of bigger serface can be provided, its diameter is 1～50mm, and shape can be spherical, oval, square or other are irregularly shaped; Also adopt the active sludge inoculation, after having tamed, at the microbial film of biological filler 17 Surface Creation high-qualitys simultaneously.Rotating cage 11 rotates under the drive of transmission shaft 12, and the biological filler 17 in rotating cage 11 rotates thereupon, and due to the effect of frictional force, biological filler 17 can be along with sense of rotation rises in the same way, falls when approaching top.In addition, skeleton employing vesicular structure due to rotating cage 11, when it rotates, air can enter rotating cage 11 inside, microbial film by biological filler 17 surfaces, carry out the transmission of oxygen, and by the rotation of rotating cage 11, oxygen is brought in the waste water of aerobic zone 3, speed ratio by adjusting reduction box 13 or motor 14 is carried out to variable frequency control, can guarantee that the dissolved oxygen concentration in waste water reaches optimum value, completes the aerobic degradation of 3 pairs of pollutents of aerobic zone and realize nitration reaction, remove the BOD in waste water, and be nitric nitrogen by mineralized nitrogen.With traditional activated sludge process, compare, the utility model relies on the microbial film degradation of contaminant on biological filler 17 surfaces of rotating cage 11 inside, has high, the active strong characteristics of microorganism concn, and the efficiency of removing pollutent is high, load high, there is the ability of very high anti-load impact simultaneously.Adopt biomembrance process, can also greatly reduce the output of excess sludge.Because microbial film is to be attached to the biological filler surface growth, can form concentration gradient along the biofilm thickness direction in oxygen transmission and matrix transmittance process, at biofilm surface, be aerobic environment and the inboard anaerobic environment that forms like this, therefore microbial film inside also has the anoxic denitrification denitrification functions, there is very high nitric efficiency.Simultaneously, due in rotating cage 11 rotary courses, the biological filler 17 of inner filling is rotating Vortex thereupon, rise under the frictional force effect, fall when approaching summit, this process has guaranteed the biomembranous mechanical stripping on biological filler 17 surfaces, complete biomembranous continuous renewal, avoid biofilm development blocked up, prevent that microbial film is aging, improve waste water treatment efficiency and nitrification effect.
In addition, the first dividing plate 5 bottoms and body 1 do not contact or are provided with the opening of some amount, and its opening shape is circular, square or trilateral, and waste water enters aerobic zone by opening.
The utility model is carried out to the sanitary sewage disposal experiment in certain holiday village, day amount of disposing of sewage 25m3, the sewage index is COD
Cr250-350 mg/L; BOD
5150-220 mg/L; SS 250-400 mg/L; NH
3-N 15-25 mg/L.Raw waste water, after septic tank, the pre-treatment of oil removal equalizing tank, adopts the utility model efficient denitrification integral bio rotating cage to be processed, aerobic zone residence time 4h, oxygen-starved area residence time 2.5h.After treatment, Effluent criteria reaches " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level A standard fully.
According to above-described embodiment, just can realize well the utility model.What deserves to be explained is; under prerequisite based on the said structure design; for solving same technical problem; even some that make on the utility model are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the utility model, therefore it also should be in protection domain of the present utility model.
Claims (10)
1. efficient denitrification integral bio rotating cage, it is characterized in that: comprise body (1), be arranged in body (1) and constitute inverse-T-shaped baffle assembly by first dividing plate (5) of vertical setting and the second partition (6) of arranged transversely, this baffle assembly is separated into oxygen-starved area (2), aerobic zone (3) and settling region (4) by body (1), and the first dividing plate (5) bottom is provided with so that the opening of waste water (2) inflow aerobic zones (3) from oxygen-starved area; Top, described oxygen-starved area (2) is provided with water-in (7), and described aerobic zone is provided with biological rotating cage in (3); Described aerobic zone (3) and top, oxygen-starved area (2) also are interconnected by backflow canal (8); Also be provided with the upflow tube (9) all be communicated with aerobic zone (3) and settling region (4) on described second partition (6); Described settling region (4) also is provided with water outlet (10).
2. efficient denitrification integral bio rotating cage according to claim 1, it is characterized in that: described biological rotating cage comprises at least one rotating cage (11), be connected with rotating cage (11) and can drive the transmission shaft (12) that rotating cage (11) rotates, be connected with transmission shaft (12) and be positioned at the outside reduction box (13) of body (1), and the motor (14) be connected with reduction box (13); Described transmission shaft (12) is installed in body by clutch shaft bearing (15) and the second bearing (16); Be provided with biological filler (17) in all rotating cages (11), and this rotating cage (11) bottom is positioned at aerobic zone (3), top is positioned at outside aerobic zone (3).
3. efficient denitrification integral bio rotating cage according to claim 2 is characterized in that: described transmission shaft (12) also is provided with bucket away from an end of reduction box (13) and carries device (18); Also be provided with on described body (1) and be positioned at the return line (19) that bucket is carried device (18) top and is communicated with backflow canal (8).
4. efficient denitrification integral bio rotating cage according to claim 3, it is characterized in that: described rotating cage (11) is porous cage shape, aperture 5～50mm.
5. efficient denitrification integral bio rotating cage according to claim 4, it is characterized in that: described biological filler (17) surface also is provided with microbial film.
6. efficient denitrification integral bio rotating cage according to claim 5, it is characterized in that: described biological filler is made by high molecular synthetic material, plastics or chemical fibre textile, and it is shaped as circle, ellipse or square, and diameter is 1～50mm.
7. efficient denitrification integral bio rotating cage according to claim 6, it is characterized in that: the bottom of described oxygen-starved area (2) also is provided with the first mud discharging mouth (21); The bottom of described settling region (4) also is provided with the second mud discharging mouth (22).
8. efficient denitrification integral bio rotating cage according to claim 7, is characterized in that: bottom described the first dividing plate (5) with between body (1), do not contact; Perhaps, the first dividing plate (5) bottom contacts with body (1), and is provided with the opening of close body (1) on the first dividing plate (5), circular, the square or trilateral of being shaped as of its opening.
9. efficient denitrification integral bio rotating cage according to claim 8, is characterized in that: between described transmission shaft (12) and body (1), also be provided with tightness system.
10. efficient denitrification integral bio rotating cage according to claim 9, it is characterized in that: described water-in (7) locates also to be provided with the fine fack (20) for stopping scum silica frost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320371343XU CN203319772U (en) | 2013-06-26 | 2013-06-26 | Efficient denitrification integrated biological rotary cage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320371343XU CN203319772U (en) | 2013-06-26 | 2013-06-26 | Efficient denitrification integrated biological rotary cage |
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| CN203319772U true CN203319772U (en) | 2013-12-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103288214A (en) * | 2013-06-26 | 2013-09-11 | 四川大学 | Efficient denitrifying integrated biological drum and operating method thereof |
| CN103739069A (en) * | 2013-12-26 | 2014-04-23 | 河北天朗环保工程有限公司 | Biological rotating disc with flow recovery device |
| CN103864215A (en) * | 2014-04-07 | 2014-06-18 | 葛洲坝集团第一工程有限公司 | Sewage treatment system |
| CN104761106A (en) * | 2015-04-27 | 2015-07-08 | 上海博亚环保科技有限公司 | Sewage treatment system and sewage treatment method |
-
2013
- 2013-06-26 CN CN201320371343XU patent/CN203319772U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103288214A (en) * | 2013-06-26 | 2013-09-11 | 四川大学 | Efficient denitrifying integrated biological drum and operating method thereof |
| CN103288214B (en) * | 2013-06-26 | 2014-03-26 | 四川大学 | Efficient denitrifying integrated biological drum and operating method thereof |
| CN103739069A (en) * | 2013-12-26 | 2014-04-23 | 河北天朗环保工程有限公司 | Biological rotating disc with flow recovery device |
| CN103739069B (en) * | 2013-12-26 | 2016-01-27 | 沃特加德(北京)工程技术有限公司 | A kind of blodisc with flow recovery device |
| CN103864215A (en) * | 2014-04-07 | 2014-06-18 | 葛洲坝集团第一工程有限公司 | Sewage treatment system |
| CN103864215B (en) * | 2014-04-07 | 2016-01-20 | 葛洲坝集团第一工程有限公司 | A kind of Sewage treatment systems |
| CN104761106A (en) * | 2015-04-27 | 2015-07-08 | 上海博亚环保科技有限公司 | Sewage treatment system and sewage treatment method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20140326 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20140326 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |