CN206318766U - Inka aeration biofilter - Google Patents
Inka aeration biofilter Download PDFInfo
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- CN206318766U CN206318766U CN201620592399.1U CN201620592399U CN206318766U CN 206318766 U CN206318766 U CN 206318766U CN 201620592399 U CN201620592399 U CN 201620592399U CN 206318766 U CN206318766 U CN 206318766U
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- water
- filter material
- pond body
- material layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a kind of Inka aeration biofilter, including pond body；Pond body sets gradually water dispensing board with holes, supporting layer and filter material layer from the bottom up, thus by the water distributing area being separated out between pond body below water dispensing board and the clear water zone above filter material layer；The water distributing area connects water inlet pipe；The clear water zone top sets effluent trough；The effluent trough connects outlet pipe；Nano-crystallite composite filtering material is placed in the filter material layer；The pond body total height is 3~4.5 meters；The supporting layer uses the nano-crystallite composite filtering material with diameter greater than filtrate diameter used by filter material layer.Enrich the nano-crystallite composite filtering material inherent porosity that the utility model is used, pore-size distribution is reasonable, therefore consolidated very much after biofilm formation, it is difficult to be damaged because of backwash, the stability of biological treatment is ensure that, therefore the utility model courageously devises shallow-layer biofilter, construction cost is substantially reduced, without being lifted again, energy consumption is greatly reduced.
Description
Technical field
The utility model is related to a kind of biofilter, particularly a kind of Inka aeration biofilter.
Background technology
BAF is the New biological membrane method sewage disposal work that last century late nineteen eighties grow up in America and Europe
Skill.The technique integrates biological oxidation and retention suspended solid, and volumetric loading, hydraulic load are big, and hydraulic detention time is short, goes out
Water water quality is good, economic operating cost.With the continuous deterioration of source quality ammonia nitrogen index, water producing cost is continuously increased, it is numerous originally
Water water undertaking faces immense pressure.BAF is used for tap water supply enterprise, will solve this problem most
Good scheme.But existing BAF uses common filtrate, and (specific surface area is 4~7m2/ g), to be up to state standards
Defined filtering index, the height of pond body at least wants 5 meters, and filter material layer at least wants 2~2.5 meters.And in civil engineering, 4.5 meters of height
Degree is a threshold, and one block of plate is only needed to less than 4.5 meters, during casting concrete, therefore higher than 4.5 meters, building cost will significantly
Increase.Further, since second pond is high 2.5 meters, 5 meters of high biofilters are flowed into, it is necessary to be provided for carrying from second pond by water
The intermediate layer risen, consumes energy very much.
Utility model content
The purpose of this utility model is to provide that a kind of construction cost is low, the BAF of good filtration effect.
The technical scheme for realizing the utility model purpose is Inka aeration biofilter, including pond body；Pond body is from the bottom up
Set gradually water dispensing board with holes, supporting layer and filter material layer, thus by the water distributing area being separated out between pond body below water dispensing board and
Clear water zone above filter material layer；The water distributing area connects water inlet pipe；The clear water zone top sets effluent trough；The water outlet
Groove connects outlet pipe；Nano-crystallite composite filtering material is placed in the filter material layer；The pond body total height is 3~4.5 meters；It is described to hold
Layer is ask to use the nano-crystallite composite filtering material with diameter greater than filtrate diameter used by filter material layer.
The height of filter media layer is 1.2~1.8 meters；The support layer height is 0.2~0.4 meter；The water distributing area is highly
For 0.8~1.1 meter；The clear water zone is highly 0.5~0.7 meter；The pond body sets 0.3~0.5 meter above clear water zone
Protection zone.
The water dispensing board is stainless steel plate, multiple elongated filter seams is opened up thereon, thickness is 10~20mm.
The height of filter media layer is 1.2 meters；The support layer height is 0.2 meter；The water distributing area is highly 0.8 meter；Institute
It is highly 0.5 meter to state clear water zone；The protection zone is highly 0.3 meter；The water distribution plate thickness is 10mm.
1.5 meters of the pond body are located at subsurface.
Inka aeration biofilter also includes aerator；The aerator connects supporting layer.
The nano-crystallite composite filtering material specific surface area of the filter material layer and supporting layer is 40~70m2/ g, density be 1050~
1100kg/m3；The particle diameter of the nano-crystallite composite filtering material of the filter material layer is 3~5mm；The nano microcrystalline of the supporting layer is combined
The particle diameter of filtrate is 16~32mm.
Inka aeration biofilter includes backwash water inlet pipe, backwash air inlet and backwash outlet pipe；The backwash
Water inlet pipe connects water distributing area with backwash air inlet；The backwash outlet pipe connection effluent trough.
Sealable manhole is set on the water distributing area.
Above-mentioned technical proposal is employed, the utility model has following beneficial effect：(1) what the utility model was used receives
Rice crystallite composite filter material inherent porosity is enriched, and pore-size distribution rationally, therefore is consolidated very much after biofilm formation, is difficult because of backwash
And be damaged, it is ensured that the stability of biological treatment, therefore the utility model courageously devises shallow-layer biofilter, construction cost is big
Big reduction, without being lifted again, energy consumption is greatly reduced.
(2) the supporting layer of the present utility model traditional cobblestone of the bigger nano-crystallite composite filtering material of particle diameter, except tool
There is supporting layer effect outer, moreover it is possible to cultivate biomembrane, increase filter tank biological treatment capabilities, meanwhile, nano-crystallite composite filtering material weight
It is light more than cobblestone, therefore further reduce the height of pond body.
(3) the utility model integrates absorption, filtering layer retention and biomembrane degradation capability, efficiently removes CODMn, has
The advantages of Chi Rong little, effluent characteristics are high, flow is simple, cost of investment is few；It is particularly high to ammonia nitrogen removal frank, the utility model energy
Good growing environment is provided for nitrifying bacteria community, nitrifying bacteria community is had stronger bioactivity, ammonia nitrogen removal frank is up to 78%-
95%, CODMn clearance are up to 15%-28%.
(4) the utility model due to filtrate specific surface area it is big, the microbial biomass in unit volume is more, therefore filter tank is to water
Matter, water and temperature change have stronger adaptability, are adapted to the sudden exceeded water source of water quality；Simultaneously by with the water distribution cracked
The mode that plate directly carries out water distribution gas distribution replaces traditional strainer head, therefore capacity of resisting impact load is strong.
Brief description of the drawings
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and with reference to attached
Figure, is described in further detail to the utility model, wherein
Fig. 1 is structural representation of the present utility model.
In accompanying drawing marked as：
Pond body 1, water distributing area 1-1, clear water zone 1-2, effluent trough 1-3, protection zone 1-4, water dispensing board 2, supporting layer 3, filter material layer
4th, water inlet pipe 5, outlet pipe 6, aerator 7, backwash water inlet pipe 8, backwash aeration tube 9, backwash outlet pipe 10.
Embodiment
(embodiment 1)
See Fig. 1, the Inka aeration biofilter of the present embodiment, including pond body 1；Pond body 1 sets gradually with holes from the bottom up
Water dispensing board 2, supporting layer 3 and filter material layer 4, thus by be separated out between pond body 1 positioned at the lower section of water dispensing board 2 water distributing area 1-1 and be located at
The clear water zone 1-2 of the top of filter material layer 4；Water distributing area 1-1 connects water inlet pipe 5；Clear water zone 1-2 tops set effluent trough 1-3；Effluent trough
1-3 connects outlet pipe 6；Nano-crystallite composite filtering material is placed in filter material layer 4；The total height of pond body 1 is 3 meters.Water dispensing board 2 is stainless steel
Plate, opens up multiple elongated filter seams, thickness is 10~20mm thereon.The height of filter material layer 4 is 1.2 meters；The height of supporting layer 3 is 0.2 meter；
Water distributing area 1-1 is highly 0.8 meter；Clear water zone 1-2 is highly 0.5 meter；Protection zone 1-3 is highly 0.3 meter；The thickness of water dispensing board 2 is
10mm.Aerator 7 connects supporting layer 3.The nano-crystallite composite filtering material specific surface area of filter material layer 4 and supporting layer 3 be 40~
70m2/ g, density is 1050~1100kg/m3；The particle diameter of the nano-crystallite composite filtering material of filter material layer 4 is 3~5mm；Supporting layer 3
The particle diameter of nano-crystallite composite filtering material is 16~32mm.Backwash water inlet pipe 8 connects water distributing area 1-1 with backwash air inlet 9；Recoil
Wash out the connection effluent trough of water pipe 10 1-3.Sealable manhole is set on the 1-1 of water distributing area.The total height of pond body 1 is 3 meters, is built
Low cost, the lifting without entering water-filling from second pond is directly overboard with pressure difference, unusual energy-conservation, and filter material layer and supporting layer
Thickness is also the best mode by calculating checking repeatedly.
The aerator 7 that the present embodiment is used is with bubble is trickle, be evenly distributed, bubble distribution scope is wide, oxygen-transfer efficiency
The high, advantage that energy consumption is low, operational management is easy and maintenance cost is low.
Nano-crystallite composite filtering material is placed in filter material layer 4, nano-crystallite composite filtering material is by a variety of microcellular structure natural minerals
With carbon component, formed through granulation, roasting, activation.Its pore diameter range is wide, and specific surface area is big, and material composition is various, there is high preferably
The function such as absorption, filtering and bio-film colonization, specific surface area is big, is 40~70m2/ g, is 100 times of left sides of conventional ceramic grain filter
It is right.Concave-convex surface is coarse, internal capillary connection, is adapted to each quasi-microorganism on its surface and internal into stable high-activity biological
Film；It is 1050~1100kg/m3 and apparent density is moderate, filtrate is in suspended state in filter tank during normal operation, is had
The water loss of flood peak is small, is not easily blocked, hardened advantage；Filtrate utilization rate is high simultaneously, and loss of flood peak increase is slow, the cycle of operation
Long, aquifer yield is big, so as to substantially reduce the height of pond body.
The most key is the traditional cobblestone of the bigger nano-crystallite composite filtering material of particle diameter of supporting layer 3, except with
Supporting layer effect is outer, moreover it is possible to cultivate biomembrane, increases filter tank biological treatment capabilities, meanwhile, nano-crystallite composite filtering material weight is remote
It is lighter than cobblestone, therefore further reduce the height of pond body.
In use, filtering velocity is 8~10m/h.Backwashing period be 2 Tianchongs once or according to effluent quality situation depending on,
Specifically backwash step is：
The first step：First gas flushing, makes aging film come off, and the time is 5min or so.
Second step：With air-water flushing 5min or so.
3rd step：Gas is closed, 5min or so is rinsed with water.
Wherein, gas back washing strength：15L/(m2S), water backwashing intensity：5L/(m2·s)。
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, all within spirit of the present utility model and principle, any modifications, equivalent substitutions and improvements done etc. all should be wrapped
It is contained within protection domain of the present utility model.
Claims (9)
1. Inka aeration biofilter, including pond body (1)；It is characterized in that：Pond body (1) sets gradually with holes match somebody with somebody from the bottom up
Water plate (2), supporting layer (3) and filter material layer (4), the water distributing area (1- that thus will be separated out between pond body (1) below water dispensing board (2)
1) clear water zone (1-2) and above filter material layer (4)；Water distributing area (1-1) the connection water inlet pipe (5)；Clear water zone (the 1-
2) top sets effluent trough (1-3)；Effluent trough (1-3) the connection outlet pipe (6)；Nanometer is placed in the filter material layer (4) micro-
Brilliant composite filtering material；Pond body (1) total height is 3~4.5 meters；The supporting layer (3) is using used with diameter greater than filter material layer (4)
The nano-crystallite composite filtering material of filtrate diameter.
2. Inka aeration biofilter according to claim 1, it is characterised in that：The filter material layer (4) highly for 1.2~
1.8 meters；The supporting layer (3) is highly 0.2~0.4 meter；The water distributing area (1-1) is highly 0.8~1.1 meter；The clear water
Area (1-2) is highly 0.5~0.7 meter；The pond body (1) sets 0.3~0.5 meter of protection zone (1- above clear water zone (1-2)
4)。
3. Inka aeration biofilter according to claim 2, it is characterised in that：The water dispensing board (2) is stainless steel plate,
Multiple elongated filter seams are opened up thereon, and thickness is 10~20mm.
4. Inka aeration biofilter according to claim 3, it is characterised in that：The filter material layer (4) is highly 1.2
Rice；The supporting layer (3) is highly 0.2 meter；The water distributing area (1-1) is highly 0.8 meter；The clear water zone (1-2) is highly
0.5 meter；The protection zone (1-4) is highly 0.3 meter；Water dispensing board (2) thickness is 10mm.
5. Inka aeration biofilter according to claim 4, it is characterised in that：1.5 meters of the pond body (1) are located at ground
Under face.
6. Inka aeration biofilter according to claim 5, it is characterised in that：Also include aerator (7)；It is described to expose
Device of air (7) connection supporting layer (3).
7. Inka aeration biofilter according to claim 6, it is characterised in that：The filter material layer (4) and supporting layer (3)
Nano-crystallite composite filtering material specific surface area be 40~70m2/ g, density is 1050~1100kg/m3；Filter material layer (4) are received
The particle diameter of rice crystallite composite filter material is 3~5mm；The particle diameter of the nano-crystallite composite filtering material of the supporting layer (3) is 16~32mm.
8. the Inka aeration biofilter according to one of claim 1 to 7, it is characterised in that：Also include backwash water inlet
Manage (8), backwash air inlet (9) and backwash outlet pipe (10)；The backwash water inlet pipe (8) connects with backwash air inlet (9)
Water distributing area (1-1)；Backwash outlet pipe (5) the connection effluent trough (1-3).
9. Inka aeration biofilter according to claim 8, it is characterised in that：Being set on the water distributing area (1-1) can
The manhole of sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620592399.1U CN206318766U (en) | 2016-06-16 | 2016-06-16 | Inka aeration biofilter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620592399.1U CN206318766U (en) | 2016-06-16 | 2016-06-16 | Inka aeration biofilter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206318766U true CN206318766U (en) | 2017-07-11 |
Family
ID=59262023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620592399.1U Expired - Fee Related CN206318766U (en) | 2016-06-16 | 2016-06-16 | Inka aeration biofilter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206318766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105884017A (en) * | 2016-06-16 | 2016-08-24 | 江苏正本净化节水科技实业有限公司 | Shallow aeration biological filter basin |
-
2016
- 2016-06-16 CN CN201620592399.1U patent/CN206318766U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105884017A (en) * | 2016-06-16 | 2016-08-24 | 江苏正本净化节水科技实业有限公司 | Shallow aeration biological filter basin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20190616 |