CN108046415A - Biological rotating disk - Google Patents
Biological rotating disk Download PDFInfo
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- CN108046415A CN108046415A CN201810084058.7A CN201810084058A CN108046415A CN 108046415 A CN108046415 A CN 108046415A CN 201810084058 A CN201810084058 A CN 201810084058A CN 108046415 A CN108046415 A CN 108046415A
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- Prior art keywords
- disc
- group
- biological rotating
- rotating disk
- disc group
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- 239000010865 sewage Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000007667 floating Methods 0.000 claims description 35
- 244000005700 microbiome Species 0.000 claims description 21
- 238000005253 cladding Methods 0.000 claims description 11
- 239000000969 carrier Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract description 26
- 230000015556 catabolic process Effects 0.000 abstract description 14
- 238000006731 degradation reaction Methods 0.000 abstract description 13
- 239000005416 organic matter Substances 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 6
- 238000004062 sedimentation Methods 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 241000894007 species Species 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004060 metabolic process Effects 0.000 description 2
- 230000002906 microbiologic effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical class [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- -1 aluminium nickel cobalt Chemical compound 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/08—Aerobic processes using moving contact bodies
- C02F3/082—Rotating biological contactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention provides three kinds of biological rotating disks, three kinds of biological rotating disks are respectively used to fully realize that aerobic reaction, anaerobic reaction and aerobic reaction are combined with anaerobic reaction.Since these three biological rotating disks are both provided with buoyant device, it is made any number of can be directly launched and carries out fully organic matter degradation into the biological reaction pool of any water treatment technology, the sewage treatment facilities such as sedimentation basin and haptoreaction slot need not be built, these three biological rotating disks are applied to sewage disposal, there is reduced investment, low energy consumption, easy to use, occupation of land is few, and multiple biological rotating disks can be thrown to simultaneously in biological reaction pool, it can largely improve sewage treating efficiency.In addition interaction thrust is formed when disc rotates, between disc group and sewage, makes the biological rotating disk that can float with respect to sewage body, and then improves covering power of the biological rotating disk to full wafer dirt water body purification.
Description
Technical field
The present invention relates to technical field of sewage treatment equipment, more particularly to three kinds of biological rotating disks.
Background technology
Biological rotating disk is a kind of equipment that sewage disposal is realized using biofilm, mainly including disc, rotation axis, driving
Device and haptoreaction slot.During work, disc portoin is immersed in the haptoreaction slot full of sewage, in the driving of driving device
Under, rotation axis drives disc to gyrate.Disc is alternately contacted with dirty water and air, after rotation after a while,
One layer of biomembrane will be adhered on disc.Disc produces the part of reactive tank, is contacted with air, and air is constantly dissolved into moisture film
It goes, increases its dissolved oxygen；Turntable is transferred to the part of sewage, the organic pollution in biomembrane absorption effluent, and organism-absorbing film
Dissolved oxygen in outer moisture film, decomposes organic matter.
Sewage disposal is carried out using existing biological rotating disk, technique mainly includes the following steps that：Sewage-level-one precipitation
Pond-biological rotating disk-second-level settling pond realizes that the site area that the technical process needs is larger, construction investment is higher, and technique
Process is complicated, energy consumption is higher.And since the structure of existing biological rotating disk limits, having to rely on haptoreaction slot could realize
Operation.
The content of the invention
The purpose of the present invention is providing three kinds of biological rotating disks, carries out sewage using three kinds of biological rotating disks alone or in combination
Processing, can largely reduce construction investment and the floor space of sewage treatment facility, and it is simple for process, purification efficiency is high.
The technical solution of wherein the first biological rotating disk is：A kind of biological rotating disk, including first driving means, the first buoyancy
Device and at least one set of first disc group, the first disc group include at least one piece of first disc；
First disc is used to adhere to for microorganism；The first driving means are for driving the first disc rotation；Institute
The first buoyant device is stated for providing buoyancy, the first disc portoin is made to immerse in sewage, partly in air.
Compared with prior art, since the biological rotating disk is provided with the first buoyant device, make the biological rotating disk arbitrarily more
A be directly launched carries out fully organic matter degradation into the biological reaction pool of any water treatment technology, without building sedimentation basin
With the sewage treatment facilities such as haptoreaction slot, which is applied to sewage disposal, there is reduced investment, low energy consumption, uses
Conveniently, take up an area the features such as few, and multiple biological rotating disks can be thrown to simultaneously in biological reaction pool, can largely improve dirt
Water treatment efficiency.
In addition, forming interaction thrust when the first disc rotates, between the first disc group and sewage, turn the biology
Disk can float with respect to sewage body, and then improve covering power of the biological rotating disk to full wafer dirt water body purification.And pass through adjusting
The steering of driving device is, it can be achieved that reciprocating motion of the biological rotating disk in sewage body.
Preferably, first buoyant device includes at least two first floating drums, and the first floating drum is arranged at the first disc group
Both sides, and at the first floating drum and the first co-located height of disc group；First disc group includes the first disc of polylith,
The first disc of polylith, through connection, makes the first cylindrical structure of disc group, adjacent two piece of first disc by the first rotation axis
Between there are spacing；First driving means drive the rotation of the first disc by driving the first rotation axis.It is it should be appreciated that described
The concrete structure of biological rotating disk is not limited thereto.
Preferably, the quantity of the first disc group is multigroup, and multigroup first disc group is in side by side and parallel arrangement, and first
Driving device driving the first disc of one of which group rotates, and passes through friction or gear drive between two adjacent groups the first disc group.
By setting multigroup first disc group, the sewage purification ability of single biological rotating disk can be improved.By above-mentioned type of drive to
One disc group drives, and can reduce force requirement, reduce energy consumption；Multigroup first disc group only needs to provide a set of first driving means,
Beneficial to control cost.
The technical solution of wherein second biological rotating disk is：A kind of biological rotating disk, including the second driving device, the second buoyancy
Device and at least one set of second disc group, the second disc group include at least one piece of second disc；
Second disc is used to adhere to for microorganism；Second driving device is for driving the second disc rotation；Institute
The second buoyant device is stated for providing buoyancy, the second disc is made to be completely immersed in sewage and not bottom out.
Compared with prior art, which not only has the advantages that the first above-mentioned biological rotating disk, additionally due to should
Second disc group of biological rotating disk is completely immersed in sewage, for anaerobic bacteria strain apposition growth.Compared with aerobic reaction, anaerobism
Reaction sludge yield is very low, and there is no need to sludge refluxes；And anaerobe can cannot degrade to aerobic microbiological some
Organic matter is degraded or Partial digestion, and above-mentioned biological rotating disk can be applied to high concentrated organic wastewater processing and applied to big
Particle organic solid particles object is degraded.
Preferably, second buoyant device includes at least two second floating drums, and the second floating drum is arranged at the second disc group
Both sides, and the position height of the second floating drum be higher than the second disc group position height；Second disc group includes polylith second
Disc, the second disc of polylith through connection, make the second cylindrical structure of disc group by the second rotation axis, adjacent two piece second
There are spacing between disc；Second driving device drives the rotation of the second disc by driving the second rotation axis.It should be appreciated that
The concrete structure of the biological rotating disk is not limited thereto.
Preferably, the quantity of the second disc group is multigroup, and multigroup second disc group is in side by side and parallel arrangement, and second
Driving device driving the second disc of one of which group rotates, and passes through friction or gear drive between two adjacent groups the second disc group.
The second disc group is driven by above-mentioned type of drive, force requirement can be reduced, reduce energy consumption；Multigroup second disc group only needs to carry
For a set of second driving device, beneficial to control cost.
The technical solution of wherein the third biological rotating disk is：A kind of biological rotating disk, including the 3rd driving device, the 3rd buoyancy
Device, at least one set of 3rd disc group and at least one set of 4th disc group, the 3rd disc group include at least one piece of the 3rd disc,
4th disc group includes at least one piece of the 4th disc；
3rd disc and the 4th disc are used to adhere to for microorganism；3rd driving device is for the 3rd disk of driving
Piece and the rotation of the 4th disc；3rd buoyant device makes the 3rd disc portoin immerse in sewage, part is sudden and violent for providing buoyancy
It is exposed in air, and the 4th disc is made to be completely immersed in sewage and is not bottomed out.
Compared with prior art, which not only has the advantages that possessed by above-mentioned first, second kind of biological rotating disk,
And aerobic reaction is combined with anaerobic reaction, and the absolute magnitude of anaerobic reaction organics removal is big, and aerobic reaction is to organic matter
Decomposition ratio more thoroughly.
During organic matter degradation is carried out, anaerobic species biomembrane plays the advantages of its degradation of organic substances absolute magnitude is big, right
Most of organic matter, particularly counterweight concentration sewage, bulky grain solid organic particulate matter are degraded；Aerobic strain biomembrane hair
Wave its can thoroughly or more thoroughly degradation of organic substances the advantages of, it is dirty to the middle low concentration that is formed after the effect of anaerobic species biomembrane
Water, little particle organic solid particles object are thoroughly degraded, to reach better wastewater purifying efficiency.
Preferably, the buoyant device includes at least two the 3rd floating drums, and the 3rd floating drum is arranged at the 3rd disc group and the
The both sides of four disc groups；3rd disc group includes the 3rd disc of polylith, and the 3rd disc of polylith is by the 3rd rotation axis through company
It connects, makes the 3rd cylindrical structure of disc group, there are spacing between adjacent two piece of the 3rd disc；4th disc group includes polylith
4th disc, the 4th disc of polylith through connection, make the 4th cylindrical structure of disc group by the 4th rotation axis, adjacent two pieces
There are spacing between first disc；3rd driving device is by driving the 3rd rotation axis to pass through drive so that the 3rd disc to be driven to rotate
The 4th rotation axis is moved so that the 3rd disc to be driven to rotate.It should be appreciated that the concrete structure of the biological rotating disk is not limited thereto.
Preferably, the quantity of the 3rd disc group is two groups, and the quantity of the 4th disc group is one group；Two group the 3rd
Disc group and one group of the 4th disc group are parallel in space and triangle is arranged, wherein the 4th disc group is located at two group of the 3rd disc group
Lower section；3rd buoyant device includes four group of the 3rd floating drum, wherein two group of the 3rd floating drum is respectively arranged at two group of the 3rd disc group
The left and right sides, in addition two group of the 3rd floating drum be respectively arranged at the left and right sides of the 4th disc group.The life that the technical solution is provided
Object turntable is slim and graceful compact, simple in structure firm, and has good stability of swimming in water body, convenient for launching, salvaging and again
It is multiple to utilize.
Preferably, the 3rd driving device is for driving the 3rd disc group of one of which to rotate, and the 3rd buoyant device
The 3rd driving device is made to be located above the water surface；By the 3rd disc group that the 3rd driving device directly drives and another group of the 3rd disc
By friction or gear drive between group, lead between the 3rd disc group and the 4th disc group that directly driven by the 3rd driving device
Cross friction or gear drive.When being driven by above-mentioned type of drive to biological rotating disk, force requirement can be reduced, reduce energy
Consumption；Multigroup disc group only needs to provide a set of 3rd driving device, beneficial to control cost.And the 3rd driving device be located at the water surface with
On, its waterproof requirement can be reduced, waterproof cost can be reduced.
Preferably, the disc includes skeleton and multiple biofilm carriers, and the multiple biofilm carrier is equipped on described
On skeleton, the biofilm carrier is used to adhere to form biomembrane for microorganism；The biofilm carrier includes carrier kernel
It being coated with carrier, the carrier kernel is made of magnet or permeability magnetic material, for the moisture film of magnetized biological film surface, the carrier
Cladding is made of plastics or resin, and for wrapping up carrier kernel, the surface of the carrier cladding has pleated structure and porous knot
Structure.Being magnetized by the moisture film that biofilm surface is checked in the carrier, the dissolved oxygen magnetized in moisture film is significantly increased, so as to
Microorganism is enable to carry out sufficient aerobic reaction, improves sewage treatment capacity.And water body magnetization can make partial organic substances ore deposit
Change, improve water to the absorptivity of light, improve the dissolubilities of inorganic salts, so as to beneficial to algal grown, so improve to N, P element,
The removal ability of heavy metal element and little particle organic pollution.It is made by being wrapped up in carrier core surface of plastics or resin
Carrier cladding, the hydrophily of biofilm carrier can be improved, attached growth of microorganisms is more conducive to, while carrier kernel can be protected to exempt from
In by corrosion in water.There is pleated structure and porous structure can improve the apparent surface of biofilm carrier on the surface of carrier cladding
Product beneficial to the adhesion amount for improving microorganism, also advantageously improves the adhesive force of biomembrane, reduction biomembrane can by water inlet stripping
It can property.
Preferably, the skeleton includes outer shroud and inner ring, the inner ring for being socketed the rotation axis, outer shroud and inner ring it
Between connected by connecting rod, be provided with multiple first magnets on the outer shroud and/or inner ring, the multiple biofilm carrier is set
Between outer shroud and inner ring, multiple biofilm carriers concatenate to form net structure by magnetic conduction line, and multiple biofilm carriers lead to
Magnetic conduction line is crossed to be connected with first magnet.Add interior extension net structure by the way that the disc design is circularized structure, it is and existing
Disc is compared, which has the specific surface area of bigger, can adhere to more microorganisms.And when disc slowly rotates, into
Water forms multiple small eddy flows under the longitudinal shear of skeleton outer shroud and biofilm carrier net structure, is greatly promoted biomembrane
The metabolism of contact mixing, absorption degradation and microorganism with pollutant.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly introduced, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as to model
The restriction enclosed, for those of ordinary skill in the art, without creative efforts, can also be according to these
Attached drawing obtains other relevant drawings.
Fig. 1 show the structure diagram of the biological rotating disk described in embodiment 1.
Fig. 2 show the fixed form schematic diagram of the first disc group described in embodiment 1.
Fig. 3 show the first kind of drive schematic diagram described in embodiment 1.
Fig. 4 show second of kind of drive schematic diagram described in embodiment 1.
Fig. 5 show the structure diagram of the biological rotating disk described in embodiment 2.
Fig. 6 show the structure diagram of the biological rotating disk described in embodiment 3.
Fig. 7 show the structure diagram of the biofilm carrier described in embodiment 4.
Fig. 8 show the structure diagram of the disc described in embodiment 4.
Fig. 9 show the connection diagram between the biofilm carrier described in embodiment 4 and magnetic conduction line.
Figure label explanation：
11- first driving means；The first buoyant devices of 12-；13- the first disc groups；The first discs of 1301-；1302- first
Rotation axis；14- power-supply devices；21- first supports；The first sleeves of 22-；31- friction pulleys；41- rotate gears；42- transmission gears
The second driving devices of 51-；The second buoyant devices of 52-；53- the second disc groups；The second discs of 5301-；The second rotation axis of 5302-；
54- second supports；55- gear sets；The 3rd driving devices of 61-；The 3rd buoyant devices of 62-；The 3rd disc groups of 63-；6301- the 3rd
Disc；The 3rd rotation axis of 6302-；The 4th disc groups of 64-；The 4th discs of 6401-；The 3rd stents of 65-；71- skeletons；Outside 7101-
Ring；7102- inner ring；7103- connecting rods；72- biofilm carriers；7201- carrier kernels；7202- carriers coat；The first magnetic of 73-
Body；74- magnetic conduction lines.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clearly complete
Description.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, it is not intended to limit the present invention.Base
In the embodiment of the present invention, every other implementation that those skilled in the art are obtained on the premise of no creative work
Example, belongs to protection scope of the present invention.
Embodiment 1：
Shown in please referring to Fig.1 to Fig.4, a kind of biological rotating disk is present embodiments provided, the biological rotating disk includes first and drives
Dynamic device 11, the first buoyant device 12 and at least one set of first disc group 13, the first disc group 13 include at least one piece first
Disc 1301.
In use, 1301 part of the first disc is immersed in the water, the first disc group 13 is under the driving of first driving means 11
It rotates.First disc 1301 is alternately contacted with dirty water and air, will on the first disc 1301 after rotation after a while
Adhere to the biomembrane of one layer of aerobic strain.First disc 1301 produces the part of sewage, is contacted with air, air constantly dissolves
Into moisture film, increase its dissolved oxygen；First disc 1301 is transferred to the part of sewage, the organic contamination in biomembrane absorption effluent
Object, and the dissolved oxygen in the outer moisture film of organism-absorbing film, aerobic breakdown is carried out to organic matter.
Biological rotating disk is regularly erected in haptoreaction slot in the prior art, and is made in the present embodiment by buoyant device
Biological rotating disk is swum on the water surface, realizes that 1301 part of the first disc is immersed in sewage, partly in air.The present embodiment
The biological rotating disk is compared with existing biological rotating disk, with more using flexible.Biological rotating disk described in the present embodiment can be arbitrarily more
A be directly launched into the biological reaction pool of any water treatment technology carries out fully organic matter degradation, and heavy without building
The sewage treatment facilities such as shallow lake pond and haptoreaction slot, have the characteristics that reduced investment, low energy consumption, it is easy to use, take up an area it is few, and simultaneously
Multiple biological rotating disks can be thrown in biological reaction pool, can largely improve sewage treating efficiency.
When first disc 1301 rotates, the thrust of interaction is generated with water body, by the thrust, biological rotating disk can phase
It floats to water body, and then improves coverage of the single biological rotating disk to sewage purification.In addition can be adjusted by microcontroller timing
The positive and reverse steering of whole first driving means 11, and then realize that biological rotating disk with respect to the reciprocating motion of water body, avoids biological rotating disk long
Phase is stranded in biological reaction pool bank.
Refering to Figure 1, as a kind of citing of embodiment, in the present embodiment, wrapped in the first disc group 13
The first disc of polylith 1301 is included, polylith the first disc 1301 is overlapped, and the first rotation axis 1302 runs through the first disc of polylith
The first disc of polylith 1301 is concatenated into an entirety, forms the first disc group 13 by 1301 center.First disc group 13
Cylindrical structure, often there are spacing between adjacent two piece of first disc 1301.First driving means 11 are by driving first turn
Moving axis 1302 is rotated with the first disc 1301 of drive.First buoyant device 12 includes at least two first floating drums, in order to make biology
Turntable keeps balance, and the first floating drum is arranged at the both sides of the first disc group 13, and the first floating drum and the first disc group 13 are located at together
At one position height.As an example, the distance between adjacent two piece of first disc 1301 is preferably 10mm~200mm, specific number
Value is depending on the concentration of BOD in sewage body.When BOD concentration is higher in sewage body, larger disc spacing is selected, works as sewage
When BOD concentration is smaller in body, the disc spacing of selection of small, it is therefore an objective to ensure that it is attached compared with high microorganism that biological rotating disk integrally has
While area, it is ensured that disc spacing is not blocked by biomembrane.The diameter of first disc 1301, which is preferably less than, is equal to 3m.
On the basis of above-mentioned embodiment, as a kind of more preferably embodiment, which includes multigroup the
One disc group 13, multigroup first disc group 13 is in side by side and parallel arrangement, as shown in Figure 1.In order to reduce force requirement and energy consumption
It is required that the biological rotating disk only includes a set of first driving means 11 in the present embodiment, first driving means 11 drive wherein
One group of first disc group 13 rotates, and passes through friction or gear drive between the first disc of two adjacent groups group 13.
On the basis of above two embodiment, as an example, multigroup first disc group 13 passes through the first rotation axis
1302 are fixed in first support 21.It refers to shown in Fig. 2, is specially to be fixedly disposed the first sleeve in first support 21
22, every group of 1302 both ends of the first rotation axis are socketed respectively by rolling bearing and the first sleeve 22, make every group of first disc group 13
It can be rotated relative to first support 21.First driving means 11 select motor, and motor is also mounted in first support 21, and positioned at water
On face, the first rotation axis 1302 of motor driving the first disc of one of which group 13.When the first disc of two adjacent groups group 13 it
Between select frictional drive when, refer to shown in Fig. 3, the both ends of the first rotation axis 1302 of every group of first disc group 13 may be provided with
Friction pulley 31, the diameter of friction pulley 31 are more than the diameter of the first disc 1301, and biological rotating disk is after installation is complete, two adjacent groups first
Friction pulley 31 between disc group 13 contacts with each other, and the first disc group 13 directly driven by first driving means 11 passes through friction
Wheel 31 drives other the first disc groups 13 to rotate synchronously.It, please when selecting gear drive between the first disc of two adjacent groups group 13
As shown in fig.4, the end set of the first rotation axis 1302 of every group of first disc group 13 has rotate gear 41, rotate gear 41
Diameter be less than the diameter of the first disc 1301, be provided with transmission gear 42 in first support 21, transmission gear 42 passes through rotation
Bearing is connected with first support 21, and rotate gear 42 can be rotated relative to first support 21, is directly driven by first driving means 11
The first disc group 13 by transmission gear 42 drive other the first disc groups 13 rotate synchronously.In addition, the first buoyant device 12
It is fixed also by above-mentioned first support 21, the first buoyant device 12 is located at sustained height with multigroup first disc group 13.For
Ensure the flexibility of the biological rotating disk, power-supply device 14 can be also carried in the first support 21, such as accumulator.The power-supply device
14 power for first driving means 11.But not limited to this, the first driving means 11 can also be connected by cable power supply, cable
Connect power supply facilities on the bank.
Embodiment 2：
It refers to shown in Fig. 5, present embodiments provides a kind of biological rotating disk, the biological rotating disk includes the second driving device
51st, the second buoyant device 52 and at least one set of second disc group 53, the second disc group 53 include at least one piece of second disc
5301。
Same as Example 1, biological rotating disk described in the present embodiment makes itself to swim in water again by buoyant device
On face.Biological rotating disk described in the present embodiment is compared with existing biological rotating disk, with more using flexible.It is biological described in the present embodiment
Turntable any number of can directly be launched into the biological reaction pool of any water treatment technology and carry out fully organic matter degradation, and
And the sewage treatment facilities such as sedimentation basin and haptoreaction slot need not be built, there is reduced investment, low energy consumption, easy to use, occupation of land is few
The features such as, and multiple biological rotating disks can be thrown to simultaneously in biological reaction pool, it can largely improve sewage treating efficiency.
Unlike equal from embodiment 1 and the prior art, the second disc group 53 is completely immersed in sewage described in the present embodiment
In.In use, the second disc group 53 is rotated by the second driving device 51, and after rotation after a while, second
The biomembrane of one layer of anaerobic species will be adhered on disc 5301, which is degraded having in sewage body in a manner of anaerobic reaction
Machine object.When second disc 5301 rotates, water body can be sheared to form turbulent flow, be conducive to biomembrane mixing, contact, absorption, degradation
Organic matter.Compared with aerobic reaction, anaerobic reaction sludge yield is very low, and there is no need to sludge refluxes；And anaerobe energy
It is degraded to some organic matters that aerobic microbiological cannot degrade or Partial digestion, biological rotating disk can be answered described in the present embodiment
It degrades for high concentrated organic wastewater processing and applied to bulky grain organic solid particles object.
It refers to shown in Fig. 5, it is in the present embodiment, same as Example 1 as a kind of citing of embodiment,
Second disc group 53 includes the second disc of polylith 5301, and polylith the second disc 5301 is overlapped, and the second rotation axis 5302 runs through
The second disc of polylith 5301 is concatenated into an entirety, forms the second disc group 53 by the center of the second disc of polylith 5301.
Second disc group, 53 cylindrical structure, often there are spacing between adjacent two piece of second disc 5301.Second driving device 51 is logical
Second rotation axis 5302 of overdriving is rotated with the second disc 5301 of drive.It is floating that second buoyant device 52 includes at least two second
Cylinder, in order to which biological rotating disk is made to keep balance, the second floating drum is arranged at the both sides of the second disc group 53, and the position of the second floating drum is high
Degree is higher than the position height of the second disc group 53.As an example, the distance between adjacent two piece of second disc be preferably 10mm~
200mm, concrete numerical value is depending on the concentration of BOD in sewage body.When BOD concentration is higher in sewage body, larger disk is selected
Piece spacing, when BOD concentration is smaller in sewage body, the disc spacing of selection of small, it is therefore an objective to integrally have in guarantee biological rotating disk
While having compared with high microorganism bond area, it is ensured that disc spacing is not blocked by biomembrane.The diameter of second disc 5301 is excellent
It elects as less than or equal to 3m.
On the basis of above-mentioned embodiment, as a kind of more preferably embodiment, similarly to Example 1, the life
Object turntable includes multigroup second disc group 53, and multigroup second disc group 53 is in side by side and parallel arrangement, as shown in Figure 5.In order to drop
Low force requirement and horsepower requirements, the biological rotating disk is only including a set of second driving device 51, the second drive in the present embodiment
Dynamic device 51 drives the second disc of one of which group 53 to rotate, and is passed between the second disc of two adjacent groups group 53 by friction or gear
It is dynamic.
On the basis of above two embodiment, as an example, multigroup second disc group 53 passes through the second rotation axis
5302 are fixed in second support 54.Second sleeve, every group of second rotation axis have specially been fixedly disposed in second support 54
5302 both ends are socketed respectively by rolling bearing and second sleeve, make every group of second disc group 53 that can be revolved with respect to second support 54
Turn.Second driving device 51 selects motor, and motor is also mounted in second support 54, and on the water surface.With embodiment 1 not
It is same, it refers to shown in Fig. 5, since motor is located on the water surface, and the second rotation axis 5302 is respectively positioned below the water surface, and motor needs
It is driven by gear set 55 with the second rotation axis 5302 below the water surface.Transmission side between the second disc of two adjacent groups group 53
The kind of drive between formula and the first disc of two adjacent groups group 13 in embodiment 1 is identical, specifically refers to embodiment 1, this implementation
Example is no longer described in detail.Second buoyant device 52 is also disposed in second support 54, in order to realize the second disc 5301
It is completely immersed in water, the installation site of the second buoyant device 52 should be higher than that the installation site of the second disc group 53.Likewise, this reality
It applies in example, power-supply device 14 can be installed in second support 54, such as accumulator, power for the second driving device 51.
Embodiment 3：
It refers to shown in Fig. 6, present embodiments provides a kind of biological rotating disk, the biological rotating disk includes the 3rd driving device
61st, the 3rd buoyant device 62, at least one set of 3rd disc group 63 and at least one set of 4th disc group 64 are wrapped in the 3rd disc group 63
At least one piece of the 3rd disc 6301 is included, the 4th disc group includes at least one piece of the 4th disc 6401.
Identical with embodiment 1 and embodiment 2, biological rotating disk makes itself again by buoyant device described in the present embodiment
It swims on the water surface.Biological rotating disk described in the present embodiment is compared with existing biological rotating disk, with more using flexible.The present embodiment
The biological rotating disk any number of can directly be launched into the biological reaction pool of any water treatment technology carry out it is fully organic
Object is degraded, and need not build the sewage treatment facilities such as sedimentation basin and haptoreaction slot, has reduced investment, low energy consumption, user
Just, take up an area the features such as few, and multiple biological rotating disks can be thrown to simultaneously in biological reaction pool, can largely improve sewage
Treatment effeciency.
And the technological merit of embodiment 1,2 biological rotating disks is combined by biological rotating disk described in the present embodiment, specifically
To provide buoyancy by the 3rd buoyant device 62, immerse 6301 part of the 3rd disc in biological rotating disk described in the present embodiment dirty
In water, partly in air, the 4th disc 6401 is completely immersed in sewage.In use, the 3rd disc group 63 is driven the 3rd
It being rotated under the action of dynamic device 61, the 3rd disc 6301 is alternately contacted with dirty water and air, after rotation after a while,
The biomembrane of one layer of aerobic strain will be adhered on 3rd disc 6301.4th disc group 64 in the direct of the 3rd driving device 61 or
It is rotated under indirectly-acting, after rotation after a while, the biomembrane of one layer of anaerobic species will be adhered on the 4th disc 6401.
During organic matter degradation is carried out, anaerobic species biomembrane plays the advantages of its degradation of organic substances absolute magnitude is big, right
Most of organic matter, particularly counterweight concentration sewage, bulky grain solid organic particulate matter are degraded；Aerobic strain biomembrane hair
Wave its can thoroughly or more thoroughly degradation of organic substances the advantages of, it is dirty to the middle low concentration that is formed after the effect of anaerobic species biomembrane
Water, little particle organic solid particles object are thoroughly degraded, to reach better wastewater purifying efficiency.
It refers to shown in Fig. 6, as a kind of citing of embodiment, in the present embodiment, with embodiment 1 and embodiment 2
Identical, the 3rd disc group 63 includes the 3rd disc 6301 of polylith, and the 3rd disc 6301 of polylith is overlapped, the 3rd rotation axis
6302 run through the center of the 3rd disc 6301 of polylith, and the 3rd disc 6301 of polylith is concatenated into an entirety, forms the described 3rd
Disc group 63.3rd disc group, 63 cylindrical structure, often there are spacing between adjacent two piece of the 3rd disc 6301.3rd driving
Device 61 is by driving the 3rd rotation axis 6302 that the 3rd disc 6301 is driven to rotate.As an example, adjacent two piece of the 3rd disc
The distance between 6301 be preferably 10mm~200mm, and concrete numerical value is depending on the concentration of BOD in sewage body.When in sewage body
When BOD concentration is higher, larger disc spacing is selected, when BOD concentration is smaller in sewage body, the disc spacing of selection of small,
Purpose be ensure biological rotating disk integrally have compared with high microorganism bond area while, it is ensured that disc spacing is not by biomembrane institute
It blocks.The diameter of 3rd disc 6301, which is preferably less than, is equal to 3m.The concrete structure and the 3rd disc group 63 of 4th disc group 64
It is similar, therefore be no longer described in detail.3rd buoyant device 62 includes at least two the 3rd floating drums, in order to keep biological rotating disk
Balance, the 3rd floating drum are arranged at the both sides of the 3rd disc group 63 and the 4th disc group 64.
On the basis of above-mentioned embodiment, as a kind of more preferably embodiment, the biological rotating disk includes two groups
3rd disc group 63 and one group of the 4th disc group 64, two group of the 3rd disc group 63 and one group of the 4th disc group 64 in space it is parallel and
Triangle is arranged, wherein the 4th disc group 64 is located at the lower section of two group of the 3rd disc group 63, as shown in Figure 6.Compared to other structures shape
Formula, said structure is more compact, each component integration higher, overall stability are stronger, beneficial to resisting external impacts.Described 3rd is floating
Power apparatus 62 includes four group of the 3rd floating drum, wherein two group of the 3rd floating drum is respectively arranged at the left and right two of two group of the 3rd disc group 63
Side, in addition two group of the 3rd floating drum be respectively arranged at the left and right sides of the 4th disc group 64, as shown in Figure 6.As an example, two group
Three 63, one group of the 4th disc group 64 of disc group and four group of the 3rd floating drum are installed on the 3rd stent 65, identical with embodiment 1,2
, 3rd sleeve is fixedly installed on the 3rd stent 65, the 3rd disc group 63 and the 4th disc group 64 are by rotation axis
Rolling bearing is socketed the 3rd sleeve.
Can be that every group of the 3rd disc group 63 and every group of the 4th disc group 64 set one on the basis of above-mentioned embodiment
The 3rd driving device 61 is covered, as an example, motor can be selected in the 3rd driving device 61.However in order to reduce the biological rotating disk
Cost, and reduce its energy consumption during use, preferred embodiment is is only that the 3rd disc group 63 of one of which is set in the present embodiment
The 3rd driving device 61 is put, the 3rd driving device 61 is mounted on the 3rd stent 65, and on the water surface.With embodiment 1,2
Identical, pass through friction between the 3rd disc group 63 and another group of the 3rd disc group 63 that are directly driven by the 3rd driving device 61
Or gear drive, between the 3rd disc group 63 and the 4th disc group 64 that directly driven by the 3rd driving device 61 by friction or
Gear drive.Specific embodiment, refers to the appropriate technical solution described in embodiment 1, and the present embodiment is no longer described in detail.
Likewise, power-supply device 14 can be set on the 3rd stent 65, such as accumulator, for powering for the 3rd driving device 61.
Biological rotating disk described in above three implementation, can be used singly or in combination as needed, to reach purification
The purpose of sewage.
Embodiment 4：
Refer to shown in Fig. 7 to 9, present embodiments provide a kind of biological rotating disk, the biological rotating disk include embodiment 1 to
All technical characteristics of 3 any biological rotating disks.In addition, the disc of the biological rotating disk is unlike existing disc, institute
Stating the disc of biological rotating disk includes skeleton 71 and multiple biofilm carriers 72, and the multiple biofilm carrier 72 is equipped on the bone
On frame 71, the biofilm carrier 72 is used to adhere to form biomembrane for microorganism.It refers to shown in Fig. 7, the biomembrane
Carrier 72 includes carrier kernel 7201 and carrier cladding 7202, and the carrier kernel 7201 is made of magnet or permeability magnetic material, uses
In the moisture film of magnetized biological film surface, the carrier cladding 7202 is made of plastics or resin, for wrapping up carrier kernel 7201,
The surface of the carrier cladding 7202 has pleated structure and porous structure.
As an example, steel skeleton can be selected in the skeleton 71, has preferable intensity, rigidity and structural stability.It is described
Steel skeleton surface can also wrap up plastic layer or resin bed, to improve Corrosion Protection.And plastic layer or resin bed are more hydrophilic
Property, form biomembrane for attached growth of microorganisms.Ferrite, rare earth magnetic patch, aluminium nickel cobalt, iron carbon aluminium etc. can be selected in the magnet
Deng pure iron, mild steel, iron Si system alloy, iron aluminum series alloy, nickel iron-based alloy, iron Co-based alloy can be selected in the permeability magnetic material
Etc..Biofilm carrier 72 can be mounted in by the modes such as welding, pasting on steel skeleton.
In use, being magnetized by the carrier kernel 7201 to the moisture film of biofilm surface, magnetize molten in moisture film
Solution oxygen is significantly increased, so that microorganism can carry out sufficient aerobic reaction, improves sewage treatment capacity.And water body magnetizes
It can make partial organic substances mineralising, improve water to the absorptivity of light, the dissolubility of raising inorganic salts, so that it is beneficial to algal grown, into
And improve the removal ability to N, P element, heavy metal element and little particle organic pollution.By on 7201 surface of carrier kernel
Package carrier cladding 7202 made of plastics or resin, can improve the hydrophily of biofilm carrier 72, it is attached to be more conducive to microorganism
Growth, while carrier kernel 7201 can be protected to protect against corrosion in water.The surface of carrier cladding 7202 has pleated structure
The relative surface area of biofilm carrier 72 can be improved with porous structure, beneficial to the adhesion amount for improving microorganism, is also advantageously improved
The adhesive force of biomembrane reduces the possibility that biomembrane is removed by water inlet.
It refers to shown in Fig. 8, as a kind of citing of embodiment, the skeleton 71 includes outer shroud 7101 and inner ring
7102, the inner ring 7102 is used to be socketed the rotation axis, is connected between outer shroud 7101 and inner ring 7102 by connecting rod 7103,
Multiple first magnets 73 are provided on the outer shroud 7101 and/or inner ring 7102, the multiple biofilm carrier 72 is arranged at outer
Between ring 7101 and inner ring 7102, multiple biofilm carriers 72 form net structure, and multiple biologies by the concatenation of magnetic conduction line 74
Membrane carrier 72 is connected by magnetic conduction line 74 with first magnet 73.As an example, refer to shown in Fig. 9, magnetic conduction line 74 and life
It can be connected between object membrane carrier 72 by way of hanging buckle.Specifically, may be provided with through hole on the biofilm carrier 72, connect
When magnetic conduction line 74 through wound upon themselves fastening is fixed again after the through hole.
In use, the 3rd disc slowly rotates, intake in the vertical of 72 net structure of skeleton outer shroud 7101 and biofilm carrier
Multiple small eddy flows are formed under shearing, are greatly promoted contact mixing, absorption degradation and micro- life of the biomembrane with pollutant
The metabolism of object.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should
Cover within the scope of the present invention.
Claims (12)
1. a kind of biological rotating disk, which is characterized in that including first driving means, the first buoyant device and at least one set of first disc
Group, the first disc group include at least one piece of first disc；
First disc is used to adhere to for microorganism；The first driving means are for driving the first disc rotation；Described
One buoyant device makes the first disc portoin immerse in sewage, partly in air for providing buoyancy.
2. biological rotating disk according to claim 1, which is characterized in that first buoyant device includes at least two first
Floating drum, the first floating drum are arranged at the both sides of the first disc group, and at the first floating drum and the first co-located height of disc group；
First disc group includes the first disc of polylith, and the first disc of polylith, through connection, makes the first disc group by the first rotation axis
Cylindrical structure, there are spacing between adjacent two piece of first disc；First driving means are by driving the first rotation axis with band
Dynamic first disc rotation.
3. biological rotating disk according to claim 2, which is characterized in that the quantity of the first disc group is multigroup to be multigroup
In side by side and parallel arrangement, first driving means driving the first disc of one of which group rotates first disc group, two adjacent groups the
Pass through friction or gear drive between one disc group.
4. a kind of biological rotating disk, which is characterized in that including the second driving device, the second buoyant device and at least one set of second disc
Group, the second disc group include at least one piece of second disc；
Second disc is used to adhere to for microorganism；Second driving device is for driving the second disc rotation；Described
Two buoyant devices make the second disc be completely immersed in sewage and not bottom out for providing buoyancy.
5. biological rotating disk according to claim 4, which is characterized in that second buoyant device includes at least two second
Floating drum, the second floating drum is arranged at the both sides of the second disc group, and the position height of the second floating drum is higher than the position of the second disc group
Highly；Second disc group includes the second disc of polylith, and the second disc of polylith, through connection, makes the second disk by the second rotation axis
The cylindrical structure of piece group, there are spacing between adjacent two piece of second disc；Second driving device is by driving the second rotation axis
To drive the rotation of the second disc.
6. biological rotating disk according to claim 5, which is characterized in that the quantity of the second disc group is multigroup to be multigroup
In side by side and parallel arrangement, the second driving device driving the second disc of one of which group rotates second disc group, two adjacent groups the
Pass through friction or gear drive between two disc groups.
7. a kind of biological rotating disk, which is characterized in that including the 3rd driving device, the 3rd buoyant device, at least one set of 3rd disc
Group and at least one set of 4th disc group, the 3rd disc group include at least one piece of the 3rd disc, and the 4th disc group is included at least
One piece of the 4th disc；
3rd disc and the 4th disc are used to adhere to for microorganism；3rd driving device for drive the 3rd disc and
4th disc rotates；3rd buoyant device makes the 3rd disc portoin immerse in sewage, is partly exposed to for providing buoyancy
In air, and the 4th disc is made to be completely immersed in sewage and is not bottomed out.
8. biological rotating disk according to claim 7, which is characterized in that it is floating that the buoyant device includes at least two the 3rd
Cylinder, the 3rd floating drum are arranged at the both sides of the 3rd disc group and the 4th disc group；3rd disc group includes the 3rd disc of polylith, more
The 3rd disc of block through connection, makes the 3rd cylindrical structure of disc group by the 3rd rotation axis, adjacent two piece of the 3rd disc it
Between there are spacing；4th disc group includes the 4th disc of polylith, and the 4th disc of polylith, through connection, is made by the 4th rotation axis
The 4th cylindrical structure of disc group, there are spacing between adjacent two piece of first disc；3rd driving device passes through driving the 3rd
Rotation axis drives the rotation of the 3rd disc the 3rd disc to be driven to rotate, by driving the 4th rotation axis.
9. biological rotating disk according to claim 8, which is characterized in that the quantity of the 3rd disc group is two groups, described
The quantity of 4th disc group is one group；Two group of the 3rd disc group with one group of the 4th disc group in space, arrange by parallel and triangle,
In the 4th disc group be located at the lower section of two group of the 3rd disc group；3rd buoyant device includes four group of the 3rd floating drum, wherein two groups the
Three floating drums are respectively arranged at the left and right sides of two group of the 3rd disc group, and in addition two group of the 3rd floating drum is respectively arranged at the 4th disc group
The left and right sides.
10. biological rotating disk according to claim 9, which is characterized in that the 3rd driving device is for driving wherein one
The 3rd disc group of group rotates, and the 3rd buoyant device makes the 3rd driving device be located above the water surface；It is direct by the 3rd driving device
By friction or gear drive between the 3rd disc group and another group of the 3rd disc group of driving, directly driven by the 3rd driving device
Pass through friction or gear drive between the 3rd dynamic disc group and the 4th disc group.
11. biological rotating disk according to any one of claims 1 to 10, which is characterized in that the disc includes skeleton and multiple
Biofilm carrier, the multiple biofilm carrier are equipped on the skeleton, and the biofilm carrier is used to adhere to for microorganism
To form biomembrane；The biofilm carrier includes carrier kernel and carrier coats, and the carrier kernel is by magnet or magnetic conduction material
Material is made, and for the moisture film of magnetized biological film surface, the carrier cladding is made of plastics or resin, in coated carrier
Core, the surface of the carrier cladding have pleated structure and porous structure.
12. biological rotating disk according to claim 11, which is characterized in that the skeleton includes outer shroud and inner ring, described interior
Ring is connected by connecting rod between outer shroud and inner ring, is provided on the outer shroud and/or inner ring more for being socketed the rotation axis
A first magnet, the multiple biofilm carrier are arranged between outer shroud and inner ring, and multiple biofilm carriers pass through magnetic conduction line string
It connects to form net structure, and multiple biofilm carriers are connected by magnetic conduction line with first magnet.
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