CN110526426A - A kind of fluidized bed for sewage treatment - Google Patents
A kind of fluidized bed for sewage treatment Download PDFInfo
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- CN110526426A CN110526426A CN201910814609.5A CN201910814609A CN110526426A CN 110526426 A CN110526426 A CN 110526426A CN 201910814609 A CN201910814609 A CN 201910814609A CN 110526426 A CN110526426 A CN 110526426A
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- inner cavity
- water
- sewage treatment
- net cage
- fluidized bed
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- 239000010865 sewage Substances 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 166
- 238000005273 aeration Methods 0.000 claims abstract description 48
- 238000011068 loading method Methods 0.000 claims abstract description 5
- 238000012546 transfer Methods 0.000 claims description 24
- 238000001914 filtration Methods 0.000 claims description 20
- 238000011049 filling Methods 0.000 claims description 19
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 11
- 239000012752 auxiliary agent Substances 0.000 abstract description 10
- 230000003993 interaction Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 3
- 241000233866 Fungi Species 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 210000004400 mucous membrane Anatomy 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 description 27
- 230000000694 effects Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 20
- 230000008569 process Effects 0.000 description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 230000000813 microbial effect Effects 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 230000004060 metabolic process Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000002028 Biomass Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000005243 fluidization Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000004992 fission Effects 0.000 description 2
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000002599 biostatic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000003519 ventilatory effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- C02F3/10—Packings; Fillings; Grids
- C02F3/101—Arranged-type packing, e.g. stacks, arrays
-
- 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
- C02F3/10—Packings; Fillings; Grids
- C02F3/109—Characterized by the shape
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- 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)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of fluidized beds for sewage treatment, it is related to technical field of sewage, solving common existing fluidized bed is the box body being processed into using flat and smooth template material, water body flows through and can form mucous membrane after fluidized bed and coat to form solid, and then the problem of influencing fungi long term growth quality of water treatment, its key points of the technical solution are that, including the bed body for sewage treatment, bed body includes the inner cavity for loading sewage, inner cavity is equipped with several setback portions along inner cavity extending direction, setback portion is recessed along the thickness direction of inner cavity or protrusion, reach the state that may make interior intracavitary water body to be chronically at auger, effectively improve the efficiency of sewage water body and auxiliary agent interaction, and then convenient for improving whole aeration capacity, biggish processing water can also be possessed while reaching low cost, and then convenient for quickly improving water The purpose for the treatment of capacity.
Description
Technical field
The present invention relates to technical field of sewage, in particular to a kind of fluidized bed for sewage treatment.
Background technique
With the sharply increasing of wastewater discharge, discharge standard increasingly stringent and can utilization of resources space limitation,
Validity and processing equipment ability to waste water treatment process process propose harsh requirement.Biological fluidized bed processing sewage is ground
Study carefully and using the Environmental Protection Agency for starting from the 1970s.This method combines the relevant technologies of microorganism film technique and fluidized bed
Feature, with big specific surface area, microorganism concn is high, volumetric loading rate and mud load rate are high, mass transfer is fast, anti impulsion load
The features such as ability is strong, detergent power is strong.
Existing fluidized bed is the box body being processed into using flat and smooth template material, and water body can be formed after flowing through fluidized bed
Mucous membrane coats to form solid, and then influences fungi long term growth quality of water treatment.
Summary of the invention
The object of the present invention is to provide a kind of fluidized beds for sewage treatment, and having may make interior intracavitary water body to locate for a long time
In the state of auger, the efficiency of sewage water body and auxiliary agent interaction is effectively improved, and then convenient for improving whole exposure
Gas ability can also possess biggish processing water while reaching low cost, and then convenient for quickly improving the excellent of water process amount
Point.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of stream for sewage treatment
Bed, including the bed body for sewage treatment, the bed body includes the inner cavity for loading sewage, and the inner cavity extends along inner cavity
Direction is equipped with several setback portions, inner recess or protrusion of the setback portion towards inner cavity.
By using above-mentioned technical proposal, when water flow flows through the intracorporal inner cavity of bed, water flow is flowed through along the inner wall of inner cavity
Shi Shuiliu is at the uniform velocity and water (flow) direction is to extend along inner cavity, and when water flow flows to setback portion, its flow velocity and flow direction can be changed
Become, the rotary of water flow meeting at this time is spiral, and spiral helicine water flow may make interior intracavitary water body to be chronically at auger
State；And may make that water flow is constantly in the state that flow direction changes along several setback portions that inner cavity extending direction is arranged,
And then improve the effect of water body auger；And the state of auger is compared to conventional gentle flowing water body, it can be effective
Ground raising water body has the efficiency of hydrophilic, absorption, the auxiliary agent interaction of heat resistanceheat resistant oxygen ability with mixing, in order to increase significantly in
The aeration capacity of chamber, and then convenient for the high activity of balanced microorganism.And before entire scheme additionally need not add other machines
It puts, the efficiency of sewage treatment only can be significantly increased by the flowing of water flow, and then effectively improve sewage treatment
Efficiency.
The further setting of the present invention, the setback portion include the recessed portion and/or protrusion along inner cavity extending direction arrangement
Portion, the recessed portion are depressed in the inner wall of inner cavity, and the lug boss is raised in the inner wall of inner cavity.
The further setting of the present invention, the setback portion include the recessed portion and lug boss along inner cavity extending direction arrangement,
The inner cavity is provided with the recessed portion adjacent to lug boss along interior cavity direction extending direction, and the recessed portion and lug boss connect
It connects.
The further setting of the present invention, the quantity at least two of the lug boss, the recessed portion are set to adjacent two
Between a lug boss.
The further setting of the present invention, the quantity at least two of the recessed portion, the lug boss are set to adjacent two
Between a recessed portion.
By using above-mentioned technical proposal, the opposite recessed portion of opening direction and lug boss can be convenient for further improving water
Body is in the effect of auger state, first time helical form stirring is produced when water body flows through recessed portion, at this time water
When body passes through out opening direction opposite lug boss, water body can generate second of helical form stirring, in order to further
The efficiency of sewage water body and auxiliary agent interaction is effectively improved, and then convenient for improving whole aeration capacity.
The further setting of the present invention, the interior intracavitary filling are equipped with the aeration layer for water body aeration, the aeration layer
Including several aeration balls and filling filter layer, the aeration ball is set between filling filter layer, and the filling filter layer is set
It is placed in interior intracavitary.
The cross section of the further setting of the present invention, the inner cavity is square, and the inner cavity includes along fluid flowing side
To the water inlet net cage, transfer net cage and water outlet net cage being successively arranged side by side；The water inlet net cage is connected with transfer net cage, described
Transfer net cage is connected with water outlet net cage.
The further setting of the present invention, the water inlet net cage includes the first water outlet being connected to transfer net cage；In described
Turning net cage includes the second water inlet end being connected to the first water outlet and the second water outlet；The water outlet net cage includes and second
The third water inlet end of water outlet connection and third water outlet；First water outlet, the second water inlet end, the second water outlet,
Three water inlet ends and the flow path of third water outlet are S-type.
By using above-mentioned technical proposal, water body may make to enter water outlet net cage after transfer net cage from water inlet net cage
Flow path is S-type, in order to improve the efficiency of sewage treatment, posteriorly, can also be convenient for daily maintenance, bed structure uses
Rectangle structure, with being aerated, uniform, oxygen transfer efficiency is high, microorganism aeration bubbles are small, the uniform outlet of bottom microorganism, ventilation
The advantages that amount is high, the pressure loss is small and oxygen transfer efficiency is high.After water flow flows through sphere, water flow rotary forms fission, in turn
Equilibrium is covered with the high activity and dispersibility of microorganism.The microbial film on the surface of sphere and filter layer is grown on by fluidisation collision
Afterwards, constantly enter water grid and carry out processing adjusting, and may make that bed body dischargeable capacity is the 6~10 of average day output
Times, it secondly being washed away in the state that the logarithm for making microorganism be in high activity increases from what is be aerated, in order to effectively improve sewage
The efficiency of processing.By having hydrophilic, absorption, heat resistanceheat resistant oxygen ability using sphere, dramatically increasing can be from aeration capacity, sphere
Omnibearing stereo is uniformly unfolded and is abound in effective coverage, and when water, gas and biomembrane obtain coming into full contact with exchange, biomembrane can not only
It is uniformly adhered on the intracorporal each pond of bed, keeps good bioactivity and gap changeability, and can be in operational process
The increasing specific surface area of middle acquisition and it can be carried out good metabolism.By the cooperation of sphere and fluidized-bed type bed body,
To improve microbial biomass in unit volume, biggish processing water can also be possessed, and then while reaching low cost convenient for fast
Speed improves water process amount；Be aerated compared to existing machine formula, sewage residence time under same isometric(al) is shorter, its qualification rate more
It is high.
The further setting of the present invention is provided with several aeration balls in the bed body, and the aeration ball is including being set to
Interior intracavitary outer housing；The outer profile of the outer housing is in sphere shape, offers inner cavity in the outer housing, the outer housing
Through-hole of multiple achievable water bodys from aeration is provided on spherical surface, the through-hole is connected to the inner cavity；The inside of the inner cavity
Equipped with the filtering fill block for water body filtration.
The further setting of the present invention, the outer housing are set in bed body by filling filtering layer.
By using above-mentioned technical proposal, aeration ball omnibearing stereo, which is uniformly unfolded, to be abound with, and obtains water, gas, biomembrane
Exchange is come into full contact with, so that biomembrane can not only be attached on inner cavity uniformly across filling filter layer, and then keeps good
Bioactivity and gap changeability, and increasing specific surface area can be obtained in the process of running, and can be carried out good
Metabolism.By using microorganism high activity, aeration ball and filling filtering layer surface growth microbial film due to
Filler fluidisation is collided and is washed away from aeration, and microorganism can be made to be in the increased logarithmic phase of high activity, and then obtains efficient handle
Efficiency.And increasing specific surface area can be obtained in the process of running, and can be carried out good metabolism.Also, it is right
The substance of the toxic effect of microorganism will not dissolve.Secondly, specific surface area also with higher.Common micro-organisms filler specific surface
Product is 44640m2/, and for the specific surface area of bio-carrier single side up to 35712m2/, two-sided specific surface area is up to 71424m2/,
Since with very high specific surface area, biomass is high in unit volume, the short purpose of hydraulic detention time can achieve.
In conclusion the invention has the following advantages:
1, it may make interior intracavitary water body to be chronically at the state of auger, effectively improve sewage water body and auxiliary agent phase
The efficiency of interaction, and then convenient for improving whole aeration capacity；
2, can effectively improve water body with mix with it is hydrophilic, absorption, heat resistanceheat resistant oxygen ability auxiliary agent interaction efficiency,
In order to increase the aeration capacity of inner cavity significantly, and then convenient for the high activity of balanced microorganism；
3, good bioactivity and gap changeability, and increasing specific surface can be obtained in the process of running
Product, and can be carried out good metabolism；
4, microbial biomass in unit volume can be improved, biggish processing water can also be possessed while reaching low cost,
And then convenient for quickly improving water process amount.
It is generally speaking of the invention, it may make interior intracavitary water body to be chronically at the state of auger, effectively improve dirt
The efficiency of water water body and auxiliary agent interaction, and then convenient for improving whole aeration capacity, it can also while reaching low cost
Possess biggish processing water, and then convenient for quickly improving water process amount.
Detailed description of the invention
Fig. 1 is a kind of half section structure diagram of fluidized bed for sewage treatment；
Fig. 2 is a kind of top view of fluidized bed for sewage treatment；
Fig. 3 is the enlarged drawing that A goes out in Fig. 2；
Fig. 4 is a kind of left view of fluidized bed for sewage treatment；
Fig. 5 is the top view of the structural relation figure of inner cavity and setback portion in embodiment 1；
Fig. 6 is another view of the structural relation figure of inner cavity and setback portion in embodiment 1；
Fig. 7 is the cross-sectional view in Fig. 1 at A-A；
Fig. 8 is the cross-sectional view in Fig. 1 at B-B；
Fig. 9 is the cross-sectional view in Fig. 1 at C-C；
Figure 10 is the cross-sectional view in Fig. 1 at D-D；
Figure 11 is the structural schematic diagram that layer is aerated in a kind of fluidized bed for sewage treatment；
Figure 12 is a kind of structural schematic diagram for being aerated ball；
Figure 13 is a kind of configuration schematic diagram for being aerated ball.
Appended drawing reference: 1, bed body；2, inner cavity；3, setback portion；31, recessed portion；32, lug boss；4, it is aerated layer；41, it is aerated
Ball；42, filter layer is filled；5, water inlet net cage；51, the first water inlet end；52, the first water outlet；6, transfer net cage；61, second into
Water end (W.E.)；62, the second water outlet；7, it is discharged net cage；71, third water inlet end；72, third water outlet；8, activated carbon filter layer；9, lead to
Hole；10, cavity；11；Outer housing；110, the first semi-spherical portion；111, the second semi-spherical portion；12, filtering layer is filled；13, protruding ring；14,
Filter fill block；15, the first clamping part；16, the second clamping part；17, longitudinal rib item；18, cross rib item.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one:
A kind of fluidized bed for sewage treatment, as shown in Figure 1 to 11, a kind of fluidized bed for sewage treatment, including with
In the bed body 1 of sewage treatment, bed body 1 includes the inner cavity 2 for loading sewage, and inner cavity 2 is equipped with several along 2 extending direction of inner cavity
A setback portion 3, setback portion 3 is recessed along the thickness direction of inner cavity 2 or protrusion.Setback portion 3 includes arranging along 2 extending direction of inner cavity
Recessed portion 31 and/or lug boss 32, recessed portion 31 is depressed in the inner wall of inner cavity 2, and lug boss 32 is raised in the inner wall of inner cavity 2.
As shown in Figures 1 to 6, when water flow flows through the inner cavity 2 in bed body 1, water when water flow is flowed through along the inner wall of inner cavity 2
Stream is at the uniform velocity and water (flow) direction is to extend along inner cavity 2, and when water flow flows to setback portion 3, its flow velocity and flow direction can be changed,
The rotary of water flow meeting at this time is spiral, and spiral helicine water flow may make the water body in inner cavity 2 to be chronically at auger
State；And may make that water flow is constantly in the state that flow direction changes along several setback portions 3 that 2 extending direction of inner cavity is arranged,
And then improve the effect of water body auger；And the state of auger is compared to conventional gentle flowing water body, it can be effective
Ground raising water body has the efficiency of hydrophilic, absorption, the auxiliary agent interaction of heat resistanceheat resistant oxygen ability with mixing, in order to increase significantly in
The aeration capacity of chamber 2, and then convenient for the high activity of balanced microorganism.And before entire scheme additionally need not add other machines
It puts, the efficiency of sewage treatment only can be significantly increased by the flowing of water flow, and then effectively improve sewage treatment
Efficiency.
In embodiment, setback portion 3 includes the recessed portion 31 and lug boss 32 along 2 extending direction of inner cavity arrangement, 2 edge of inner cavity
2 direction extending direction of inner cavity be provided with the recessed portion 31 adjacent to lug boss 32, recessed portion 31 is connect with lug boss 32.Opening
Contrary recessed portion 31 and lug boss 32 can work as water convenient for further improving the effect that water body is in auger state
Body produces first time helical form stirring when flowing through recessed portion 31, water body passes through out the opposite protrusion of opening direction at this time
When portion 32, water body can generate second of helical form stirring, in order to effectively further improve sewage water body and auxiliary agent phase
The efficiency of interaction, and then convenient for improving whole aeration capacity.
The cross sectional shape of lug boss 32 and/or recessed portion 31 is trapezoidal.Cross sectional shape is trapezoidal lug boss 32 and recessed portion
31 may make water body when generating helical form stirring, higher flow velocity can also be kept, in order to improve the effect of sewage treatment
Rate.The vertical interval of farthest side and inner cavity 2 that lug boss 32 protrudes from inner cavity 2 is equal to recessed portion 31 and is depressed in inner cavity 2 most
The vertical interval of far lateral side and inner cavity 2, can be convenient for reducing the influence to water volume flow rate, so that water body is along 2 inner wall stream of inner cavity
Possess more stable change in flow when dynamic.
Filling is equipped with the aeration layer 4 for water body aeration in inner cavity 2, and aeration layer 4 includes several aeration balls 41 and filling
Filter layer 42, aeration ball 41 are set between filling filter layer 42, and filling filter layer 42 is set in inner cavity 2.It is complete to be aerated ball 41
Three-dimensional uniformly unfold is abound in orientation, makes water, gas, biomembrane obtain coming into full contact with exchange, so that biomembrane can not only be equably
It is attached on inner cavity 2 by filling filter layer 42, and then keeps good bioactivity and gap changeability, and can run
Increasing specific surface area is obtained in the process, and can be carried out good metabolism.Pass through the high activity using microorganism, In
Aeration ball 41 and the microbial film for filling the growth of 42 surface of filter layer fluidize collision due to filler and wash away from aeration, can make micro- life
Object is in the increased logarithmic phase of high activity, and then obtains efficient treatment effeciency.And it can obtain in the process of running increasingly
Big specific surface area, and can be carried out good metabolism.Also, the substance of the toxic effect of microorganism will not be dissolved.Its
It is secondary, specific surface area also with higher.Common micro-organisms packing specific area is 44640m2/, the ratio of bio-carrier single side
Surface area is up to 71424m2/ up to 35712m2/, two-sided specific surface area, due to very high specific surface area, in unit volume
Biomass is high, can achieve the short purpose of hydraulic detention time.
Inner cavity 2 is square, and inner cavity 2 includes along axial water inlet net cage 5,6 and of transfer net cage being successively arranged side by side of bed body 1
It is discharged net cage 7；Water inlet net cage 5 is connected with transfer net cage 6, and transfer net cage 6 is connected with water outlet net cage 7.
Water inlet net cage 5 includes the first water inlet end 51 and the first water outlet 52 being connected to transfer net cage 6, the first water inlet
Sewage conduct is connected at end 51.In the present embodiment, it is equipped in the first water inlet end 51, the second water inlet end 61 and third water inlet end 71
Activated carbon filter layer 8, but be not limited only to this, it can be achieved that filtering function filter layer.
Net cage 5 of intaking includes the first water outlet 52 being connected to transfer net cage 6；Transfer net cage 6 includes and the first water outlet
Second water inlet end 61 of 52 connections and the second water outlet 62；Water outlet net cage 7 include the third that is connected to the second water outlet 62 into
Water end (W.E.) 71 and third water outlet 72；First water outlet 52, the second water inlet end 61, the second water outlet 62, third water inlet end 71,
And the flow path of third water outlet 72 is S-type.
Sewage is entered activated carbon filter layer 8 from the first water inlet end 51, is then flowed out again from the first water outlet 52；And then,
Sewage flows into the second water inlet end 61 from the first water outlet 52, by being aerated being aerated certainly for layer 4 in transfer net cage 6 and water outlet net cage 7
Afterwards, it is flowed out from third water outlet 72.
The present embodiment may make that water body is in into the flow path of water outlet net cage 7 after transfer net cage 6 from water inlet net cage 5
S type posteriorly, can also be convenient for daily maintenance, 1 structure of bed body uses rectangle knot in order to improve the efficiency of sewage treatment
Structure has small uniform aeration, oxygen transfer efficiency height, microorganism aeration bubbles, the uniform outlet of bottom microorganism, ventilatory capacity height, pressure
Power loses the advantages that small and oxygen transfer efficiency is high.After water flow flows through sphere, water flow rotary forms fission, and then balanced cloth
The high activity and dispersibility of full microorganism.The microbial film on the surface of sphere and filter layer is grown on after fluidisation collision, no
Enter water grid disconnectedly and carry out processing adjusting, and may make that 1 dischargeable capacity of bed body is 6~10 times of average day output,
Secondary washing away in the state that the logarithm for making microorganism be in high activity increases from aeration, in order to effectively improve sewage treatment
Efficiency.By having hydrophilic, absorption, heat resistanceheat resistant oxygen ability using sphere, dramatically increasing can be in effective district from aeration capacity, sphere
Omnibearing stereo is uniformly unfolded and is abound in domain, and when water, gas and biomembrane obtain coming into full contact with exchange, biomembrane can not only be equably
It is attached on each pond in bed body 1, keeps good bioactivity and gap changeability, and can obtain in the process of running
Increasing specific surface area and it can be carried out good metabolism.By the cooperation of sphere and fluidized-bed type bed body 1, to mention
Microbial biomass in high unit volume can also possess biggish processing water while reaching low cost, and then convenient for quickly mentioning
High water process amount；It is aerated compared to existing machine formula, sewage residence time under same isometric(al) is shorter, its qualification rate is higher.
Embodiment two:
The difference between this embodiment and the first embodiment lies in the set-up mode of recessed portion 31 and lug boss 32, remaining with implementation
Example one is identical.In the present embodiment, the quantity at least two of lug boss 32, recessed portion 31 are set to two neighboring lug boss 32
Between.
Embodiment three:
The difference between this embodiment and the first embodiment lies in the set-up mode of recessed portion 31 and lug boss 32, remaining with implementation
Example one is identical.The quantity at least two of recessed portion 31, lug boss 32 are set between two neighboring recessed portion 31.
Example IV:
As shown in Figure 12 and Figure 13, several aeration balls 41 are provided in bed body 1, aeration ball 41 includes being set to inner cavity 2
Interior outer housing 11；The outer profile of outer housing 11 offers inner cavity 2 in sphere shape, in outer housing 11, on the spherical surface of outer housing 11
It is provided with through-hole 9 of multiple achievable water bodys from aeration, through-hole 9 is connected to inner cavity 2；The inside of inner cavity 2, which is equipped with, is used for water body mistake
The filtering fill block 14 of filter.Outer housing 11 is set in bed body 1 by filling filtering layer 12.
Cavity 10 both may make the internal structure of outer housing 11 in hollow shape, and also may make outer housing 11 to be divided to is inside and outside two
Layer；Secondly as the quantity of through-hole 9 is several and may make on outer housing 11 through outer housing 11, therefore between through-hole 9
Be formed with fishing net shaped runs through structure；The filter layer for being used for sewage water filtration is installed in cavity 10 again, may make outer housing 11
Have the characteristics that biological attachment power is strong, large specific surface area, porosity are high, chemistry and Biostatic performance are good.Outer housing 11 is stood
Body is opened up uniformly easyproly is abound with aeration ball 41 and filtering reaction material, so that water is formed dispersion appearance in flowing and closes collision, and then realizes
From aeration；It need not act on, by machine only by the effect of flowing water in sewage treatment, can realize from aeration performance, both may be used
It, can also be convenient for reducing the energy consumption in sewage disposal process, by reducing machine convenient for improving the efficiency of long-time sewage treatment
Configuration, and then convenient for being effectively reduced the cost of enterprise's sewage treatment；Secondly, also biomembrane and additive can be made to obtain sufficiently
Contact exchange；Secondly, also may make microorganism that there is high activity, in the microbial film that filtering layer surface is grown due to filtering laminar flow
After change is collided and aeration washes away certainly, the logarithm that microorganism can be promoted to be in high activity increases, and then effectively improves water process
Efficiency.Filter layer is the ball shape structure to match with cavity 10.
Protrusion is useful in the protruding ring 13 for changing water body flow direction on the spherical surface of outer housing 11, and protruding ring 13 is arranged simultaneously around the centre of sphere
At least intersect with a through-hole 9.Protruding ring 13 is in triangular form along the section of itself extending direction.When sewage flows through outer housing 11
When surface, section can cut the water body for flowing through 11 surface of outer housing in the protruding ring 13 of triangular form, enable sewage
It is further separated into the through-hole 9 on 11 surface of outer housing, in order to improve the efficiency of sewage treatment；In micro- life of filtering layer surface growth
After object film is washed away due to the collision of filtering laminarization and from aeration, so that the logarithm that microorganism be in high activity increases and efficient
In the state for the treatment of effeciency, and then microorganism is made full use of to have the characteristics that high activity.
Multiple longitudinal rib items 17 along 11 great circle circumferential directions of outer housing are provided on outer housing 11, through-hole 9 is formed in
Between adjacent longitudinal rib item 17.Multiple cross rib items 18 along sphere roundlet circumferential directions are provided on outer housing 11；Cross rib item
18 intersect with longitudinal rib item 17, and intersect with through-hole 9.
The quantity of through-hole 9 is eight and is evenly distributed with around the center circumferential of outer housing 11.It filters between fill block 14 and cavity 10
There are the movable spacing of fill block 14 available for filtration, and filtering the spacing between fill block 14 and cavity 10 may make the aeration of outer housing 11 more
Add sufficiently.Minimum spacing between adjacent through-holes 9 is 1/10th outer housings, 11 diameter to 1/5th outer housings, 11 diameter.Number
Amount for eight and around the uniformly distributed through-hole 9 of 11 center circumferential of outer housing can by equal distribution on eight directions of outer housing 11,
Both it may make through-hole 9 that can sufficiently receive the water body for flowing through 11 surface of outer housing, so that filter layer and outer housing 11 have efficiently
Sewage treating efficiency, also may make outer housing 11 with good stress support, when resisting long in order to improve outer housing 11
Between Sewage shock when service life.
Outer housing 11 includes the first semi-spherical portion 110 and the second semi-spherical portion 111, the first semi-spherical portion 110 and the second semi-spherical portion 111
Mutually snap connection.The end face of first semi-spherical portion 110 is equipped with the first clamping part 15 along close to the direction of the second semi-spherical portion 111,
The end face of first semi-spherical portion 110 is equipped with the second clamping part 16 along close to the direction of the first semi-spherical portion 110, the first clamping part 15 with
Second clamping part 16 snaps connection, but is not limited only to this, it can be achieved that the first semi-spherical portion 110 and 111 buckle-type of the second semi-spherical portion peace
Dress and disassembling function.Since outer housing 11 is made of the first semi-spherical portion 110 and the second semi-spherical portion 111, the first hemisphere
Portion 110 and snapping connection for the second semi-spherical portion 111 can be convenient for the installation and removal of filter layer on its interior；And buckle-type
Mounting structure can be convenient for the first semi-spherical portion 110 and the second semi-spherical portion 111 installation and removal so that filter layer and shell
It is in the knockdown mounting structure of inner core between body 11, in order to the replacement of filter layer.
Filter layer is nano-polyurethane sponge, may make that filter layer is the cavernous body of elasticity, and then have microorganism easily raw
At, Yi Genghuan, acid and alkali-resistance, anti-aging feature, filtering layer surface growth microbial film due to being flowed in filter layer
After change is collided and aeration washes away certainly, the logarithm that may make microorganism to be in high activity increases in the state with efficient process efficiency,
In order to make full use of microorganism to have the characteristics that high activity.Under microbial action, substance sufficiently dissolves, and then remixes tool
Have it is hydrophilic, absorption, heat resistanceheat resistant oxygen ability auxiliary agent after, increase aeration capacity with can dramatically.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of fluidized bed for sewage treatment, including the bed body (1) for sewage treatment, which is characterized in that the bed body (1)
Including the inner cavity (2) for loading sewage, the inner cavity (2) is equipped with several setback portions (3) along inner cavity (2) extending direction,
Inner recess or protrusion of the setback portion (3) towards inner cavity (2).
2. a kind of fluidized bed for sewage treatment according to claim 1, which is characterized in that the setback portion (3) includes
Along the recessed portion (31) and/or lug boss (32) of inner cavity (2) extending direction arrangement, the recessed portion (31) is depressed in inner cavity (2)
Inner wall, the lug boss (32) is raised in the inner wall of inner cavity (2).
3. a kind of fluidized bed for sewage treatment according to claim 1, which is characterized in that the setback portion (3) includes
Along the recessed portion (31) and lug boss (32) of inner cavity (2) extending direction arrangement, the inner cavity (2) extends along inner cavity (2) direction
Direction is provided with the recessed portion (31) adjacent to lug boss (32), and the recessed portion (31) connect with lug boss (32).
4. a kind of fluidized bed for sewage treatment according to claim 3, which is characterized in that the number of the lug boss (32)
Amount at least two, the recessed portion (31) is set between the two neighboring lug boss (32).
5. a kind of fluidized bed for sewage treatment according to claim 3, which is characterized in that the number of the recessed portion (31)
Amount at least two, the lug boss (32) is set between two neighboring recessed portion (31).
6. a kind of fluidized bed for sewage treatment according to claim 1, which is characterized in that filling in the inner cavity (2)
Equipped with the aeration layer (4) being aerated for water body, the aeration layer (4) includes several aerations ball (41) and filling filter layer
(42), the aeration ball (41) is set between filling filter layer (42), and the filling filter layer (42) is set to inner cavity (2)
It is interior.
7. a kind of fluidized bed for sewage treatment according to claim 1, which is characterized in that the inner cavity (2) it is transversal
Face is square, and the inner cavity (2) includes the water inlet net cage (5) being successively arranged side by side along fluid flow direction, transfer net cage (6)
With water outlet net cage (7)；The water inlet net cage (5) is connected with transfer net cage (6), the transfer net cage (6) and water outlet net cage (7)
It is connected.
8. a kind of fluidized bed for sewage treatment according to claim 7, which is characterized in that water inlet net cage (5) packet
Include the first water outlet (52) being connected to transfer net cage (6)；The transfer net cage (6) includes being connected to the first water outlet (52)
Second water inlet end (61) and the second water outlet (62)；Water outlet net cage (7) includes the be connected to the second water outlet (62)
Three water inlet ends (71) and third water outlet (72)；First water outlet (52), the second water inlet end (61), the second water outlet
(62), third water inlet end (71) and the flow path of third water outlet (72) are S-type.
9. a kind of fluidized bed for sewage treatment according to claim 1, which is characterized in that setting in the bed body (1)
There are several to be aerated ball, the aeration ball includes the outer housing (11) being set in inner cavity (2)；The foreign steamer of the outer housing (11)
Exterior feature offers inner cavity (2) in sphere shape, in the outer housing (11), be provided on the spherical surface of the outer housing (11) it is multiple can be real
For existing water body from the through-hole (9) being aerated, the through-hole (9) is connected to the inner cavity (2)；The inside of the inner cavity (2) is equipped with and is used for
The filtering fill block (14) of water body filtration.
10. a kind of fluidized bed for sewage treatment according to claim 9, which is characterized in that the outer housing (3) passes through
Filling filtering layer (4) is set in bed body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910814609.5A CN110526426A (en) | 2019-08-30 | 2019-08-30 | A kind of fluidized bed for sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910814609.5A CN110526426A (en) | 2019-08-30 | 2019-08-30 | A kind of fluidized bed for sewage treatment |
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| CN110526426A true CN110526426A (en) | 2019-12-03 |
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| CN201910814609.5A Pending CN110526426A (en) | 2019-08-30 | 2019-08-30 | A kind of fluidized bed for sewage treatment |
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