CN104724843B - A kind of Airfloat filtering pond - Google Patents
A kind of Airfloat filtering pond Download PDFInfo
- Publication number
- CN104724843B CN104724843B CN201510089759.6A CN201510089759A CN104724843B CN 104724843 B CN104724843 B CN 104724843B CN 201510089759 A CN201510089759 A CN 201510089759A CN 104724843 B CN104724843 B CN 104724843B
- Authority
- CN
- China
- Prior art keywords
- air supporting
- air
- contact area
- water
- filtering pond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of Airfloat filtering pond, water inlet pipe mouth is located at the air supporting making contact area at middle part above Airfloat filtering pond, its bottom is provided with drainpipe and drainage flashboard, both sides are respectively equipped with air supporting adhesion contact area, in the connection of Liang Ge areas bottom dissolved air water return duct is connected provided with dissolved air release, oral area is provided with air supporting deflector obliquely above Liang Ge areas, provided with mechanical dreg removing system at the top of filter tank, filter tank internal filtration layer is carbon leaching material, quartz sand filter media and cobble supporting layer, leave a space and be used for accommodating the water after filtering in filter tank bottom, bottom space provided with a closing in the middle part of bottom of pond, and provided with water distribution square hole and distribution aperture, it is connected with clear water outlet pipe, backwash water inlet pipe and backwash air inlet pipe, for backwashing, there are the deslagging mouth of pipe and connection surface to sweep the V-groove for washing water inlet pipe above Airfloat filtering pond, with the surface sweep washing passage provided with several surface sweep washing water distribution apertures.It is good the beneficial effects of the invention are as follows denitrification effect.
Description
Technical field
The invention belongs to technical field of sewage, it is related to a kind of Airfloat filtering pond.
Background technology
Current reservoir water source pollution problem is become increasingly conspicuous, and wherein algae pollution is particularly acute.Summer is easily presented in current reservoir water
Many algaes, the low turbid characteristic of winter low temperature.As water source Eutrophic Extent aggravates year by year, algae reproduction is increasingly serious, especially exists
The larger spring and autumn of temperature change, alga eruption phenomenon happens occasionally, and the operation and water supply security to water factory cause certain prestige
The side of body.The density of algae is small, and traditional precipitation solid-liquid separation process is difficult effectively to remove it, brings filter tank to block, backwash
A series of problems, such as cycle shortens, processing cost increases, effluent quality is deteriorated, some algae can also produce under certain circumstances
Raw Algae toxins, threaten to water supply security.Current filter tank is generally conventional rapid filter, V-type filter tank, siphon filter etc., use
Filtrate be generally quartz sand filter media, also have charcoal sand filtering material.For these traditional filter tanks, turbidity removal effect is fine, to dispatching from the factory
Water plays guaranteeing role, but except algae, organic matter effect are poor, and in the case where algae content is higher, filter tank occurs and block up
Plug, the problems such as shortening filter cycle, effluent quality are deteriorated.Air supporting is a kind of traditional solid-liquid separation means, except algae effect is obvious.
Current Airfloat filtering pond has the disadvantage that：
(1) current Airfloat filtering pond, during backwash, is carried out gas, water is rushed, and surface sweep washing function is not accounted for, therefore
During flushing, the less scum silica frost of density on surface remains in surface, it is difficult to remove, after backwash terminates, one layer of backwashing water surface
Scum silica frost, these scum silica frost were brought into next filter cycle again, after the long period, filter tank clogging occurred.Air supporting filter of the present invention
V-groove is designed in pond, using the water distribution aperture water distribution of V-groove bottom, carries out surface sweep washing, surface scum when solving backwash
Cleaning problem, scum silica frost cleans convenient after backwash, and excretion is complete, solves surface scum and blocks filter tank, it is ensured that water after filter
Water outlet.
(2) also there is some type of Airfloat filtering pond at present, but majority is simply to be combined together air supporting and filtering, on
Portion is air flotation zone, and bottom is filtering area.Air supporting bubble is not high with flco adhesive efficiency, and bubble flco is easily desorbed, and causes dissolved air water wave
Take and energy consumption increase.Air supporting part is designed as collision attachment zone and co-current contact area by the present invention, therefore pneumatically supported bubble wadding is viscous
Attached efficiency is greatly improved, and enhances air flotation effect.
(3) current Airfloat filtering pond bottom filtrate useful quartz sand, also useful activity charcoal, certainly also active charcoal with
What quartz sand was combined.But nitration denitrification filter tank is can not form in generally existing layer of charcoal insufficient height, layer of charcoal, that is, denitrogenation
Effect is not good, even if there is denitrification effect, and a part is Adsorption, and the biological agent of activated carbon is also only by mineralized nitrogen
For nitrate nitrogen, without really nitrogen is removed.Active carbon layer is set height to be 1400mm or so, carbon-coating top profit by the present invention
Nitration reaction is carried out with sufficient dissolved oxygen, bottom anaerobic environment carries out anti-nitration reaction, nitrate nitrogen is converted into nitrogen and gone
Remove.
(4) current most Airfloat filtering ponds are side water distribution, and side water outlet, water distribution is uneven.Flotation tank of the present invention, gas
Floating region is located at floating filter center, and water outlet, even water distribution are radiated by mediad both sides.
The content of the invention
The purpose of invention is to provide a kind of Airfloat filtering pond, solves that existing Airfloat filtering pond denitrification effect is not good to ask
Topic.
The technical solution adopted in the present invention is to include being arranged on the water inlet pipe mouth above Airfloat filtering pond, and raw water is by wadding
After solidifying process, entered by water inlet pipe mouth in air supporting making contact area, air supporting making contact area both sides are respectively equipped with air supporting adhesion
Contact zone, air supporting making contact area and air supporting adhesion contact area are separated by dividing plate, air supporting making contact area and air supporting adhesion contact
Area is located in the middle part of Airfloat filtering pond, Airfloat filtering pond is separated into structure identical or so two parts, air supporting making contact area is gentle
The bottom in floating adhesion contact area is connected provided with passage is provided with dissolved air release in whole bottom, passage, dissolved air release can be to gas
The molten gas of release in floating making contact area and air supporting adhesion contact area, dissolved air release connection dissolved air water return duct, air supporting collision connects
The top oral area in area and air supporting adhesion contact area is touched provided with air supporting deflector obliquely, inside Airfloat filtering pond or so two parts
Space is that the lower section of air flotation separating chamber is provided with three layers of mistake provided with mechanical dreg removing system at the top of air flotation separating chamber, air flotation separating chamber
Filtering layer, from top to bottom material therefor is followed successively by carbon leaching material, quartz sand filter media and cobble supporting layer, cobble to three layer filtration layer
Supporting layer and Airfloat filtering pond bottom leave a space and are used for accommodating the water after filtering, air supporting making contact area and air supporting adhesion
In bottom space provided with a closing between contact zone bottom and Airfloat filtering pond bottom of pond, a pair of sidewalls of the bottom space of closing
Provided with water distribution square hole and distribution aperture, another offside wall of the bottom space of closing is connected with clear water outlet pipe, backwash water inlet
Pipe and backwash air inlet pipe, the water after filtering are flowed into by water distribution square hole in the bottom space of closing, from the outflow of clear water outlet pipe
Outside, uses air-water backwashing during backwash, backwashing water enters bottom space, backwash gas by backwash water inlet pipe first
Also bottom space is entered by backwash air inlet pipe, backwashing water is entered by water distribution square hole, backwash gas by distribution aperture
Filtering layer is sequentially passed through in space below cobble supporting layer upwards to be backwashed, the air supporting filter of air supporting making contact area bottom
Pond pool wall is provided with drainpipe, and drainpipe is sealed by the drainage flashboard that can be lifted up opening, and Airfloat filtering pond or so is two-part
Top is respectively equipped with a V-groove and a surface sweep washing passage, and surface sweep washing passage is set according to Airfloat filtering pond pool wall, V-type
Groove is set according to surface sweep washing passage, and the two ends of V-groove and surface sweep washing passage are made up of another pair pool wall respectively, V-groove one
The pool wall at end is provided with the surface sweep washing water inlet pipe outside the deslagging mouth of pipe, the connection of the V-groove other end, surface sweep washing passage and set
There are several surface sweep washing water distribution apertures.
Further, the height of the surface sweep washing water distribution aperture is higher than the air supporting deflector of air supporting adhesion contact area oral area
Height.
Further, the thickness of the carbon leaching material is 1400mm, 0.5~1.0mm of particle diameter of carbon leaching material.
Further, the thickness of the quartz sand filter media is 300mm, 0.8~1.2mm of particle diameter of quartz sand filter media.
Further, the thickness of the cobble supporting layer is 300mm.
It is good the beneficial effects of the invention are as follows denitrification effect.
Brief description of the drawings
Fig. 1 is the top schematic top plan view of Airfloat filtering pond of the present invention；
Fig. 2 is Airfloat filtering pond Section A-A schematic diagram of the present invention；
Fig. 3 is Airfloat filtering pond section B-B schematic diagram of the present invention.
1. water inlet pipe mouth；2. the deslagging mouth of pipe；3. dissolved air release；4. air supporting deflector；5. air supporting making contact area；6.
Air supporting adhesion contact area；7. recoil surface sweep washing water inlet pipe；8. carbon leaching material；9. quartz sand filter media；10. cobble supporting layer；
11. distribution aperture；12. water distribution square hole；13. dissolved air water return duct；14. backwash air inlet pipe；15. backwash water inlet pipe；16.
Drainpipe；17. clear water outlet pipe；18. drainage flashboard；19.V type grooves；20. surface sweep washing water distribution aperture, 21. dissolved air flotations
Room, 22. mechanical dreg removing systems.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
The Airfloat filtering pond structure of the present invention as shown in Figures 1 to 3, including is arranged on the water inlet pipe mouth 1 above Airfloat filtering pond,
Raw water is entered in air supporting making contact area 5 after flocculation process by water inlet pipe mouth 1, the both sides of air supporting making contact area 5 point
Not She You air supporting adhesion contact area 6, air supporting making contact area 5 and air supporting adhesion contact area 6 separate by dividing plate, and air supporting collision connects
Touch area 5 and air supporting adhesion contact area 6 is located in the middle part of Airfloat filtering pond, Airfloat filtering pond is separated into structure identical or so two
Point, air supporting making contact area 5 connects provided with passage with the bottom in air supporting adhesion contact area 6 and molten gas is provided with whole bottom, passage
Release 3, dissolved air release 3 can discharge molten gas, dissolved air release into air supporting making contact area 5 and air supporting adhesion contact area 6
The top oral area in 3 connection dissolved air water return ducts 13, air supporting making contact area 5 and air supporting adhesion contact area 6 is provided with obliquely
Air supporting deflector 4, Airfloat filtering pond or so two parts inner space is air flotation separating chamber 21, and the top of air flotation separating chamber 21 is provided with machine
Tool dreg removing system 22, the lower section of air flotation separating chamber 21 is provided with three layer filtration layer, and from top to bottom material therefor is successively for three layer filtration layer
For carbon leaching material 8, quartz sand filter media 9 and cobble supporting layer 10, cobble supporting layer 10 and Airfloat filtering pond bottom leave one
Space is used for accommodating the water after filtering, air supporting making contact area 5 and the bottom of air supporting adhesion contact area 6 and Airfloat filtering pond bottom of pond it
Between the bottom space provided with a closing, a pair of sidewalls of the bottom space of closing is provided with water distribution square hole 12 and distribution aperture 11,
Another offside wall of the bottom space of closing is connected with clear water outlet pipe 17, backwash water inlet pipe 15 and backwash air inlet pipe
14, the water after filtering is flowed into by water distribution square hole 12 in the bottom space of closing, and outside is flowed out from clear water outlet pipe 17, is recoiled
Air-water backwashing is used when washing, backwashing water enters bottom space by backwash water inlet pipe 15 first, and backwash gas is also by recoiling
Wash air inlet pipe 14 and enter bottom space, backwashing water enters ovum by water distribution square hole 12, backwash gas by distribution aperture 11
Filtering layer is sequentially passed through in the space of the lower section of stone supporting layer 10 upwards to be backwashed, the air supporting filter of the bottom of air supporting making contact area 5
Pond pool wall is provided with drainpipe 16, and drainpipe 16 is sealed by the drainage flashboard 18 that can be lifted up opening, Airfloat filtering pond or so two
A V-groove 19 and a surface sweep washing passage are respectively equipped with above partial, surface sweep washing passage is according to Airfloat filtering pond pool wall
Set, V-groove 19 is set according to surface sweep washing passage, the two ends of V-groove 19 and surface sweep washing passage are respectively by another pair pool wall
Constitute, the pool wall of the one end of V-groove 19 is provided with the surface sweep washing water inlet pipe outside the deslagging mouth of pipe 2, the connection of the other end of V-groove 19
7, surface sweep washing passage is provided with several surface sweep washing water distribution apertures 20, and the height of surface sweep washing water distribution aperture 20 is higher than gas
The height of the air supporting deflector 4 of the floating oral area of adhesion contact area 6, in backwash process, filter back washing water surface has one layer
The lighter scum silica frost of density, water enters in V-groove 19 from surface sweep washing water inlet pipe 7, from the surface sweep washing water distribution of surface sweep washing passage
Aperture 20 is flowed out, and scum silica frost is poured in air supporting adhesion contact area 6, scum silica frost mix backwash water is discharged from drainpipe 16.Recoil
During need control back washing strength, prevent run charcoal.
Wherein, activated carbon filter height in upper strata is 1400mm (0.5~1.0mm of particle diameter), and lower floor's quartz sand filter height is
300mm cobble supporting layer is filled under 300mm (0.8~1.2mm of particle diameter), filtering layer.Filter material layer thickness 2.0m altogether, using length
Handle filter carries out air-water backwashing.Filtering area filtering layer is double-layer filter material, and upper strata filtrate has absorption and biological degradation function, can
Organic substance in water content is effectively reduced, lower floor's filtrate can effectively prevent the biomembrane fragment come off from penetrating the further processing of water
Filter tank.The Airfloat filtering pond method of operation is flexible.
In the present invention, 1) two-stage is divided into air supporting part, air supporting of the invention, and air flotation zone sets dividing plate sequentially will contact
Differentiation is segmented into air supporting making contact area 5, air supporting adhesion contact area 6, and air supporting making contact area 5 and air supporting adhesion contact area 6 are by one
Passage is connected in bottom of pond, and dissolved air release 3 is arranged in air supporting making contact area 5 and the bottom of air supporting adhesion contact area 6, and air supporting is touched
Hit the water inlet of contact zone 5 and be arranged on the top of contact zone, top setting automatic control, the top of air supporting adhesion contact area 6 is set
Put mechanical dreg removing system 22.In air supporting making contact area 5, water inlet is arranged on the top of contact zone, microbubble and raw water reverse flow
It is dynamic, the abundant collision of microbubble and suspension is completed, then water outlet enters air supporting adhesion contact area 6, and microbubble is same with raw water
To flowing contact, part microbubble increases adhesion contact room microbubble concentration into air supporting adhesion contact area 6, is easy in gas
Floating adhesion contact area 6 completes the adhesion process of microbubble and suspension, forms stable bubble flocs float to air flotation separating chamber
21.Raw water sequentially flows through air supporting making contact area 5 and air supporting adhesion contact area 6, and the time of contact of microbubble and suspension is long,
The adhesion effect of microbubble is improved, the generation that bubble flco is desorbed phenomenon can be preferably reduced, strengthen air supporting effluent quality.This
Invention significantly improves the interaction of microbubble-suspension, realizes that microbubble is fully collided with suspension and effectively adhered to, and drops
Low bubble flco is desorbed the probability of happening of phenomenon, substantially increases air-float technology resistance change of water quality risk ability and purifying water effect.
2) charcoal sand filtration fraction, filtering layer uses deep bed activated carbon quartz sand double-layer filter material, and upper strata activated carbon filter height is
1400mm (0.5~1.0mm of particle diameter), lower floor's quartz sand filter height is filling under 300mm (0.8~1.2mm of particle diameter), filtering layer
300mm cobble support.Thickness is 2.0m altogether, and upper strata filtrate has absorption and biological degradation function, can effectively reduce water
Middle content of organics, lower floor's filtrate can effectively prevent the biomembrane fragment come off from penetrating filter tank the further processing of water.Air supporting
The filter tank method of operation is flexible.Floating filter can flexibly be managed according to algae situation in raw water, raw water algae concentration is high
When, floating filter technique is run, air supporting can be stopped when raw water algae concentration is low, charcoal sand filtering technique is run, therefore, it is possible to effectively drop
Low operating cost, also, because air flotation cell starts fast, permission intermittent duty, so being easier to realize two methods of operation
Switching.
3) air supporting Carbon-sand filter collaboration water purification effect, activated carbon plays filtering, absorption and biological agent simultaneously.Operation is just
Phase, activated carbon primarily serves filtering, suction-operated, by continuous operation for a long time, and biomembrane is grown on activated carbon, this
When activated carbon play absorption and biodegradation, because activated-charcoal column is higher, raw water after air flotation cell, in water satiate
The dissolved oxygen of sum provides good condition for activated carbon biodegradation, and air supporting is played with filtering cooperates with water purification to act on, biological
Activated carbon upper strata is sufficient due to dissolved oxygen, and with nitrification substantially, active lower charcoal is anti-due to dissolving hypoxgia for organic matter degradation
Nitrify denitrification effect significantly, thus Carbon-sand filter constitutes nitration denitrification filter tank, the quartz sand of lower floor then can effectively remove de-
The biomembrane fallen, guarantee is provided for effluent quality.
Advantage of the present invention also has：
(1) Airfloat filtering pond of the present invention organically combines air flotation technology, and considers that air supporting is adverse current-following current air-dissolving air-float, by force
Air flotation effect is changed.Filtrate is replaced by charcoal sand filtering material by homogeneous filtering material, enhances biological agent.V-groove 19 is made full use of to recoil
Wash surface sweep washing function.
(2) air supporting part sets air supporting making contact area 5 and air supporting adhesion contact area 6, and daf efficiency is high.
(3) air flotation zone is located at floating filter center, and water outlet, even water distribution are radiated by mediad both sides.
(4) air supporting turbidity removal, except algae effect significantly, amount of algae is significantly reduced after air supporting, and amount of algae is more, block filter tank,
Filter cycle reduces, and air supporting is used as the pre-treatment of filtering, efficient hardening filter effect.
(5) air-float filtration collaboration water purification effect.Sufficient dissolved oxygen after air supporting, the efficient hardening biological agent in filter tank.
Run after a period of time, active carbon layer growth biomembrane, biodegradation gradually strengthens, but biological agent needs are organic
Matter and dissolved oxygen condition, under high organic matter, high ammonia nitrogen flow condition, dissolved oxygen turns into the control condition of biological agent, and air supporting is work
Property charcoal biological agent sufficient dissolved oxygen condition is provided, enhance biodegradation.
(6) activated carbon filtering layer uses deep-bed filtration, and denitrification effect significantly, constitutes nitration denitrification filter tank.In high ammonia nitrogen effect
Under fruit, portion's dissolved oxygen is sufficient on the activated carbon, and significantly, mineralized nitrogen is nitrite nitrogen and nitrate nitrogen to nitrification, in activated carbon
The bottom of filtering layer totally, forms certain anoxic zone due to dissolved oxygen depletion, therefore nitrate nitrogen carries out denitrification, and nitrogen turns
Turn to nitrogen.Therefore Airfloat filtering pond not only removes ammonia nitrogen, removes total nitrogen aspect with the obvious advantage.
(7) the floating filter method of operation flexibly, when algae is high, runs air-float filtration technique, when algae is not high, runs charcoal sand
Filter tank.
(8) the Airfloat filtering pond method of operation of the present invention flexibly, can effectively reduce operating cost.According to algae feelings in raw water
Condition can be flexibly managed floating filter, when raw water algae concentration is high, floating filter technique is run, when raw water algae concentration is low
Air supporting can be stopped, charcoal sand filtering technique is run.
(9) air-float filtration integral, floor space is relatively saved.Air flotation cell is combined with filter element in a structures,
Direct activated carbon filtering, is conventional treatment and advanced treating integration, saves initial investment and running cost after air flotation cell
With.
(10) activated carbon plays filtering, absorption and biological agent simultaneously.Initial operating stage, activated carbon primarily serves filtering, suction
Attached effect, by continuous operation for a long time, is grown into biomembrane, now activated carbon plays absorption and biological drop on activated carbon
Solution is acted on.Meanwhile, raw water is after air flotation cell, and oversaturated dissolved oxygen provides good for activated carbon biodegradation in water
Condition, air supporting with filtering play cooperate with water purification effect.The quartz sand of lower floor then can effectively remove the biomembrane come off, to go out
Water water quality, which is provided, to be ensured.Floating filter technique is by air supporting, filtering integral, and the technique is not only able to handle algae blooms water, to reservoir
Turbidity removal, taste removal, decolouring, organic matter and the ammonia nitrogen of water also have good effect, and the method for operation is flexibly, can effectively drop
Low operating cost.
Described above is only the better embodiment to the present invention, not makees any formal limit to the present invention
System, any simple modification that every technical spirit according to the present invention is made to embodiment of above, equivalent variations and modification,
Belong in the range of technical solution of the present invention.
Claims (5)
1. a kind of Airfloat filtering pond, it is characterised in that：Including the water inlet pipe mouth (1) being arranged on above Airfloat filtering pond, raw water is by wadding
After solidifying process, entered by water inlet pipe mouth (1) in air supporting making contact area (5), air supporting making contact area (5) both sides are set respectively
There is air supporting adhesion contact area (6), air supporting making contact area (5) and air supporting adhesion contact area (6) are separated by dividing plate, air supporting collision
Contact zone (5) and air supporting adhesion contact area (6) are located in the middle part of Airfloat filtering pond, and Airfloat filtering pond is separated into structure identical or so
Two parts, air supporting making contact area (5) is connected in whole bottom, passage with the bottom in air supporting adhesion contact area (6) provided with passage
Provided with dissolved air release (3), dissolved air release (3) can be released into air supporting making contact area (5) and air supporting adhesion contact area (6)
Put molten gas, dissolved air release (3) connection dissolved air water return duct (13), air supporting making contact area (5) and air supporting adhesion contact area
(6) top oral area is provided with air supporting deflector (4) obliquely, and Airfloat filtering pond or so two parts inner space is dissolved air flotation
Provided with mechanical dreg removing system (22) at the top of room (21), air flotation separating chamber (21), the lower section of air flotation separating chamber (21) is provided with three layers
Filter layer, from top to bottom material therefor is followed successively by carbon leaching material (8), quartz sand filter media (9) and cobble support to three layer filtration layer
Layer (10), cobble supporting layer (10) and Airfloat filtering pond bottom leave a space and are used for accommodating the water after filtering, and air supporting collision connects
The bottom space provided with a closing between area (5) and air supporting adhesion contact area (6) bottom and Airfloat filtering pond bottom of pond is touched, closing
A pair of sidewalls of bottom space is provided with water distribution square hole (12) and distribution aperture (11), another offside of the bottom space of closing
Wall is connected with clear water outlet pipe (17), backwash water inlet pipe (15) and backwash air inlet pipe (14), and the water after filtering passes through water distribution
Square hole (12) is flowed into the bottom space of closing, and outside is flowed out from clear water outlet pipe (17), and air water back washing is used during backwash
Wash, backwashing water enters bottom space by backwash water inlet pipe (15) first, and backwash gas is also entered by backwash air inlet pipe (14)
Enter bottom space, backwashing water enters cobble supporting layer by water distribution square hole (12), backwash gas by distribution aperture (11)
(10) sequentially pass through filtering layer upwards in the space below to be backwashed, the Airfloat filtering pond pond of air supporting making contact area (5) bottom
Wall is provided with drainpipe (16), and drainpipe (16) is sealed by the drainage flashboard (18) that can be lifted up opening, Airfloat filtering pond or so
Two-part top is respectively equipped with a V-groove (19) and a surface sweep washing passage, and surface sweep washing passage is according to Airfloat filtering pond
Pool wall is set, and V-groove (19) is set according to surface sweep washing passage, and the two ends of V-groove (19) and surface sweep washing passage are respectively by addition
A pair of pool walls are constituted, and the pool wall of V-groove (19) one end is provided with outside the deslagging mouth of pipe (2), the connection of V-groove (19) other end
Surface sweep washing water inlet pipe (7), surface sweep washing passage is provided with several surface sweep washing water distribution apertures (20).
2. Airfloat filtering pond according to claim 1, it is characterised in that：The height of the surface sweep washing water distribution aperture (20) is high
In the height of the air supporting deflector (4) of air supporting adhesion contact area (6) oral area.
3. Airfloat filtering pond according to claim 1, it is characterised in that：The thickness of the carbon leaching material (8) is 1400mm,
0.5~1.0mm of particle diameter of carbon leaching material (8).
4. Airfloat filtering pond according to claim 1, it is characterised in that：The thickness of the quartz sand filter media (9) is 300mm,
0.8~1.2mm of particle diameter of quartz sand filter media (9).
5. Airfloat filtering pond according to claim 1, it is characterised in that：The thickness of the cobble supporting layer (10) is 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089759.6A CN104724843B (en) | 2015-02-27 | 2015-02-27 | A kind of Airfloat filtering pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089759.6A CN104724843B (en) | 2015-02-27 | 2015-02-27 | A kind of Airfloat filtering pond |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104724843A CN104724843A (en) | 2015-06-24 |
| CN104724843B true CN104724843B (en) | 2017-09-26 |
Family
ID=53449344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510089759.6A Active CN104724843B (en) | 2015-02-27 | 2015-02-27 | A kind of Airfloat filtering pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104724843B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417780B (en) * | 2015-12-09 | 2018-09-11 | 苏州佳仕杰环保工程有限公司 | A kind of water treatment technology |
| CN105417612A (en) * | 2015-12-09 | 2016-03-23 | 苏州佳仕杰环保工程有限公司 | Water treatment equipment |
| CN106955525A (en) * | 2017-04-29 | 2017-07-18 | 贵州大学 | A kind of efficient reversed cleaning device of pipeline Inner filter net |
| CN107324545A (en) * | 2017-08-18 | 2017-11-07 | 西安建筑科技大学 | A kind of method for preventing that scum silica frost is precipitated during ozone air-float |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2892236Y (en) * | 2006-04-21 | 2007-04-25 | 浙江德安新技术发展有限公司 | Filtering tank |
| CN201254489Y (en) * | 2008-03-25 | 2009-06-10 | 华南理工大学 | Down-flow type double deck filter material aerating biological filter |
| CN201785276U (en) * | 2010-09-16 | 2011-04-06 | 江苏新龙鼎环保成套工程有限公司 | Combination cross-flow air floatation water treatment device based on electrocoagulation and secondary filtering |
| US20130062272A1 (en) * | 2010-06-21 | 2013-03-14 | Beijing Oil Tech & Engineering Co. Ltd. | Device for Purifying Oily Wastewater |
-
2015
- 2015-02-27 CN CN201510089759.6A patent/CN104724843B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2892236Y (en) * | 2006-04-21 | 2007-04-25 | 浙江德安新技术发展有限公司 | Filtering tank |
| CN201254489Y (en) * | 2008-03-25 | 2009-06-10 | 华南理工大学 | Down-flow type double deck filter material aerating biological filter |
| US20130062272A1 (en) * | 2010-06-21 | 2013-03-14 | Beijing Oil Tech & Engineering Co. Ltd. | Device for Purifying Oily Wastewater |
| CN201785276U (en) * | 2010-09-16 | 2011-04-06 | 江苏新龙鼎环保成套工程有限公司 | Combination cross-flow air floatation water treatment device based on electrocoagulation and secondary filtering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104724843A (en) | 2015-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7553418B2 (en) | Method for water filtration | |
| CA2004299C (en) | Biological contactor for purifying water to produce drinking water and associated control method | |
| CN105130105B (en) | A kind of combined water and air backwash system and technique | |
| CN104724843B (en) | A kind of Airfloat filtering pond | |
| CN201292263Y (en) | Vertical flow type aerobic gas float filter chamber | |
| CN105060476B (en) | A kind of advanced nitrogen V-type filter tank | |
| CN201296713Y (en) | Inner circulating biological aerated filter and retention pond combined treatment system | |
| CN105000760B (en) | A kind of synchronous denitrification dephosphorizing and go oil removal technique | |
| CN208648882U (en) | Subregion compounded mix biological aerated filter | |
| CN204661385U (en) | Multimedium recyclable organism filter bed | |
| CN110104900A (en) | A kind of environmentally friendly high efficiency composition thermal power plant domestic sewage processing system and method | |
| CN201952311U (en) | Water purifying system of floating filter tank | |
| CN106348441A (en) | Carbon-nitrogen separation type bottom incoming water artificial rapid infiltration system and sewage treatment method thereof | |
| CN1935683A (en) | Slag treating agent and its process and equipment for treating sewage | |
| CN103641241A (en) | Preposed denitrification aeration biofilter and method for treating sewage | |
| CN101357814A (en) | Linkage processing method and apparatus of circulatory flow multiplex biochemistry and filtrating | |
| CN205151894U (en) | Degree of depth denitrogenation V type filtering pond | |
| CN205151992U (en) | Backpurge system is united to air water | |
| CN103449665B (en) | A kind of polluted water land biogenic sediment filtering system for mud-water separation | |
| CN110156269A (en) | A kind of water supply plant charcoal sand combination filter tank | |
| CN214115250U (en) | Double-layer filter material denitrification reactor | |
| CN210103705U (en) | Environment-friendly efficient composite domestic sewage treatment system for thermal power plant | |
| CN203382619U (en) | Sewage-land biological filtration and precipitation system for removing suspended solids and organic matters from sewage | |
| CN107082490A (en) | The method of its processing sewage of streaming denitrogenation dephosphorizing expanded bed biofilter and application drops | |
| CN114044587A (en) | Manganese-loaded oxide film expanded bed filter and method for removing thallium by adsorption by applying manganese-loaded oxide film expanded bed filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |