CN104724843A - Novel air-floating filter - Google Patents
Novel air-floating filter Download PDFInfo
- Publication number
- CN104724843A CN104724843A CN201510089759.6A CN201510089759A CN104724843A CN 104724843 A CN104724843 A CN 104724843A CN 201510089759 A CN201510089759 A CN 201510089759A CN 104724843 A CN104724843 A CN 104724843A
- Authority
- CN
- China
- Prior art keywords
- air
- water
- air supporting
- contact district
- filter
- 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.)
- Granted
Links
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a novel air-floating filter. A water inlet orifice above the air-floating filter is located in an air-floating collision contact region in the middle; a drain pipe and a drain gate plate are arranged at the bottom of the air-floating collision contact region; air-floating adhesion contact regions are respectively formed on two sides of the air-floating collision contact region; a gas dissolving releaser is arranged in a part communicating the bottoms of the two regions and is connected with a gas dissolving water return pipe; an upswept air-floating guide plate is arranged at the opening above each region; a mechanical deslagging system is arranged on the top of the filter; the filter layer in the filter consists of an activated carbon filter material, a quartz sand filter material and a scree carrying layer; a space is reserved at the bottom of the filter for accommodating filtered water; a closed bottom space is formed in the middle of the bottom of the filter; a water distribution square hole and a gas distribution small hole are formed to be connected with a clean water outlet pipe, a backwashing water inlet pipe and a backwashing gas inlet pipe for backwashing; and a deslagging orifice and a V-shaped slot connected with a surface sweeping water inlet pipe as well as a surface sweeping channel provided with a plurality of surface sweeping water distribution small holes are arranged above the air-floating filter. The novel air-floating filter disclosed by the invention has the beneficial effect of good denitrification effect.
Description
Technical field
The invention belongs to technical field of sewage, relate to a kind of new air-floating filter.
Background technology
Current reservoir water source pollution problem becomes increasingly conspicuous, and wherein algae pollution is particularly serious.Current reservoir water easily presents many algaes in summer, the low turbid characteristic of winter low temperature.Along with water source Eutrophic Extent aggravates year by year, algae reproduction is increasingly serious, and especially at the spring and autumn that temperature variation is larger, alga eruption phenomenon happens occasionally, and causes certain threat to the operation of water factory and water supply security.The density of algae is little, traditional precipitation solid-liquid separation process is difficult to it effectively to remove, bring the series of problems such as filter tank blocks, backwashing period shortens, processing cost increases, effluent quality variation, some algae also can produce Algae toxins under certain circumstances, threatens to water supply security.Current filter tank mostly is conventional rapid filter, V-type filter tank, siphon filter etc., and the filtrate of employing mostly is quartz sand filter media, also has charcoal sand filtering material.For these traditional filter tanks, turbidity removal effect is fine, plays guaranteeing role to output water, but except algae, organism effect poor, and when algae content is higher, occur that filter tank blocks, the problems such as shortening filtration cycle, effluent quality variation.Air supporting is a kind of traditional solid-liquid separation means, except algae successful.
Current Airfloat filtering pond has following shortcoming:
(1) current Airfloat filtering pond, during back flushing, carry out gas punching, water punching, all do not consider surface sweep washing function, when therefore rinsing, the scum silica frost that the density on surface is less remains in surface, is difficult to remove, after back flushing terminates, backwashing water surface one deck scum silica frost, these scum silica frost were brought into again in next filtration cycle, after the long period, occurred filter tank latch up phenomenon.Airfloat filtering pond design V-type groove of the present invention, utilizes the water distribution aperture water distribution of V-type groove bottom, carries out surface sweep washing, solve the cleaning problem of surface scum during back flushing, after back flushing, scum silica frost cleaning is convenient, and excretion completely, solve surface scum blocking filter tank, ensure that the rear water water outlet of filter.
(2) also have the Airfloat filtering pond of some types at present, but majority is combined air supporting and filtration simple knot, top is air flotation zone, and bottom is filtrating area.Air supporting bubble and flco adhesive efficiency not high, bubble flco easy desorption, causes dissolved air water to waste and energy consumption increases.Air supporting partial design is collision attachment zone and co-current contact district by the present invention, and therefore pneumatically supported bubble wadding adhesive efficiency improves greatly, enhances air flotation effect.
(3) the current useful quartz sand of filtrate bottom Airfloat filtering pond, also useful activity charcoal, also have gac to be combined with quartz sand certainly.But ubiquity layer of charcoal insufficient height, can not form nitration denitrification filter tank in layer of charcoal, namely denitrification effect is not good, even if there is denitrification effect, a part is Adsorption, and the biological action of gac is also only be nitric nitrogen by mineralized nitrogen, and really nitrogen is removed.Active carbon layer rational height is about 1400mm by the present invention, and carbon-coating top utilizes sufficient dissolved oxygen to carry out nitration reaction, and bottom anaerobic environment carries out anti-nitration reaction, nitric nitrogen is converted into nitrogen and removes.
(4) current most Airfloat filtering ponds are side water distribution, and side water outlet, water distribution is uneven.Air flotation pool of the present invention, air flotation zone is positioned at floating filter central authorities, by the radiation water outlet of mediad both sides, even water distribution.
Summary of the invention
The object of the present invention is to provide a kind of new air-floating filter, solve the problem that existing Airfloat filtering pond denitrification effect is not good.
The technical solution adopted in the present invention comprises the water inlet pipe mouth be arranged on above Airfloat filtering pond, former water is after flocculation process, enter in air supporting making contact district by water inlet pipe mouth, both sides, air supporting making contact district are respectively equipped with air supporting adhesion contact district, air supporting making contact district and air supporting adhesion contact district are separated by dividing plate, air supporting making contact district and air supporting adhesion contact district are located in the middle part of Airfloat filtering pond, Airfloat filtering pond is separated into left and right two portions that structure is identical, the bottom in air supporting making contact district and air supporting adhesion contact district is provided with the whole bottom of channel connection, dissolved air release is provided with in passage, dissolved air release can discharge molten gas in air supporting making contact district and air supporting adhesion contact district, dissolved air release connects dissolved air water return line, the top oral area in air supporting making contact district and air supporting adhesion contact district is provided with air supporting flow deflector obliquely, two portions internal space, Airfloat filtering pond left and right is air flotation separating chamber, air flotation separating chamber top is provided with mechanical dreg removing system, the below of air flotation separating chamber is provided with three layer filtration layer, three layer filtration layer from top to bottom material therefor is followed successively by carbon leaching material, quartz sand filter media and cobble supporting layer, leave a space bottom cobble supporting layer and Airfloat filtering pond and be used for holding the water after filtering, a bottom space closed is provided with between bottom air supporting making contact district and air supporting adhesion contact district and at the bottom of Airfloat filtering pond pond, the pair of sidewalls of the bottom space closed is provided with water distribution square hole and distribution aperture, another oppose side wall of the bottom space closed is connected with Graceful water pipe, back flushing water inlet pipe and back flushing inlet pipe, water after filtration flows in closed bottom space by water distribution square hole, flow out outside from Graceful water pipe, air-water backwashing is adopted during back flushing, first backwashing water enters bottom space by back flushing water inlet pipe, backwash gas also enters bottom space by back flushing inlet pipe, backwashing water is by water distribution square hole, backwash gas is entered in the space below cobble supporting layer by distribution aperture and upwards carries out back flushing through filtering layer successively, Airfloat filtering pond pool wall bottom air supporting making contact district is provided with water shoot, water shoot upwards can be mentioned the drainage flashboard opened and be sealed, two-part top, Airfloat filtering pond left and right is respectively equipped with a V-type groove and a surface sweep washing passage, surface sweep washing passage is arranged according to Airfloat filtering pond pool wall, V-type groove is according to surface sweep washing channel setting, the two ends of V-type groove and surface sweep washing passage are made up of other a pair pool wall respectively, the pool wall of V-type groove one end is provided with the deslagging mouth of pipe, the V-type groove the other end is communicated with outside surface sweep washing water inlet pipe, surface sweep washing passage is provided with several surface sweep washing water distribution apertures.
Further, the height of described surface sweep washing water distribution aperture is higher than the height of the air supporting flow deflector of air supporting adhesion contact district oral area.
Further, the thickness of described carbon leaching material is 1400mm, the particle diameter 0.5 ~ 1.0mm of carbon leaching material.
Further, the thickness of described quartz sand filter media is 300mm, the particle diameter 0.8 ~ 1.2mm of quartz sand filter media.
Further, the thickness of described cobble supporting layer is 300mm.
The invention has the beneficial effects as follows that denitrification effect is good.
Accompanying drawing explanation
Fig. 1 is the top schematic top plan view of Airfloat filtering pond of the present invention;
Fig. 2 is Airfloat filtering pond A-A schematic cross-section of the present invention;
Fig. 3 is Airfloat filtering pond B-B schematic cross-section of the present invention.
1. water inlet pipe mouth; 2. the deslagging mouth of pipe; 3. dissolved air release; 4. air supporting flow deflector; 5. air supporting making contact district; 6. air supporting adhesion contact district; 7. recoil surface sweep washing water inlet pipe; 8. carbon leaching material; 9. quartz sand filter media; 10. cobble supporting layer; 11. distribution apertures; 12. water distribution square holes; 13. dissolved air water return lines; 14. back flushing inlet pipe; 15. back flushing water inlet pipes; 16. water shoots; 17. Graceful water pipes; 18. drainage flashboards; 19.V type groove; 20. surface sweep washing water distribution apertures, 21. air flotation separating chambers, 22. mechanical dreg removing systems.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Airfloat filtering pond structure of the present invention as shown in Figures 1 to 3, comprise the water inlet pipe mouth 1 be arranged on above Airfloat filtering pond, former water is after flocculation process, enter in air supporting making contact district 5 by water inlet pipe mouth 1, both sides, air supporting making contact district 5 are respectively equipped with air supporting adhesion contact district 6, air supporting making contact district 5 and air supporting adhesion contact district 6 are separated by dividing plate, air supporting making contact district 5 and air supporting adhesion contact district 6 are located in the middle part of Airfloat filtering pond, Airfloat filtering pond is separated into left and right two portions that structure is identical, the bottom in air supporting making contact district 5 and air supporting adhesion contact district 6 is provided with the whole bottom of channel connection, dissolved air release 3 is provided with in passage, dissolved air release 3 can discharge molten gas in air supporting making contact district 5 and air supporting adhesion contact district 6, dissolved air release 3 connects dissolved air water return line 13, the top oral area in air supporting making contact district 5 and air supporting adhesion contact district 6 is provided with air supporting flow deflector 4 obliquely, two portions internal space, Airfloat filtering pond left and right is air flotation separating chamber 21, air flotation separating chamber 21 top is provided with mechanical dreg removing system 22, the below of air flotation separating chamber 21 is provided with three layer filtration layer, three layer filtration layer from top to bottom material therefor is followed successively by carbon leaching material 8, quartz sand filter media 9 and cobble supporting layer 10, leave a space bottom cobble supporting layer 10 and Airfloat filtering pond and be used for holding the water after filtering, a bottom space closed is provided with between bottom air supporting making contact district 5 and air supporting adhesion contact district 6 and at the bottom of Airfloat filtering pond pond, the pair of sidewalls of the bottom space closed is provided with water distribution square hole 12 and distribution aperture 11, another oppose side wall of the bottom space closed is connected with Graceful water pipe 17, back flushing water inlet pipe 15 and back flushing inlet pipe 14, water after filtration flows in closed bottom space by water distribution square hole 12, outside is flowed out from Graceful water pipe 17, air-water backwashing is adopted during back flushing, first backwashing water enters bottom space by back flushing water inlet pipe 15, backwash gas also enters bottom space by back flushing inlet pipe 14, backwashing water is by water distribution square hole 12, backwash gas is entered in the space below cobble supporting layer 10 by distribution aperture 11 and upwards carries out back flushing through filtering layer successively, Airfloat filtering pond pool wall bottom air supporting making contact district 5 is provided with water shoot 16, water shoot 16 upwards can be mentioned the drainage flashboard 18 opened and be sealed, two-part top, Airfloat filtering pond left and right is respectively equipped with a V-type groove 19 and a surface sweep washing passage, surface sweep washing passage is arranged according to Airfloat filtering pond pool wall, V-type groove 19 is according to surface sweep washing channel setting, the two ends of V-type groove 19 and surface sweep washing passage are made up of other a pair pool wall respectively, the pool wall of V-type groove 19 one end is provided with the deslagging mouth of pipe 2, V-type groove 19 the other end is communicated with outside surface sweep washing water inlet pipe 7, surface sweep washing passage is provided with several surface sweep washing water distribution apertures 20, the height of surface sweep washing water distribution aperture 20 is higher than the height of the air supporting flow deflector 4 of air supporting adhesion contact district 6 oral area, in backwash process, filter back washing water surface has the lighter scum silica frost of one deck density, water enters in V-type groove 19 from surface sweep washing water inlet pipe 7, flow out from the surface sweep washing water distribution aperture 20 of surface sweep washing passage, scum silica frost is poured in air supporting adhesion contact district 6, scum silica frost mix backwash water is discharged from water shoot 16.Need in back flushing process to control back washing strength, prevent from running charcoal.
Wherein, upper strata activated-carbon filter layer height is 1400mm (particle diameter 0.5 ~ 1.0mm), and lower floor's quartz sand filter height is 300mm (particle diameter 0.8 ~ 1.2mm), fills the cobble supporting layer of 300mm under filtering layer.Filter material layer thickness 2.0m altogether, adopts strainer head to carry out air-water backwashing.Filtrating area filtering layer is double-layer filter material, and upper strata filtrate has absorption and biological degradation function, and can effectively reduce Organic substance in water content, lower floor's filtrate processes further to water, can effectively prevent the microbial film fragment come off from penetrating filter tank.Airfloat filtering pond operation scheme is flexible.
In the present invention, 1) air supporting part, air flotation zone of the present invention is divided into two-stage, air flotation zone arranges dividing plate and in turn zone of action is divided into air supporting making contact district 5, air supporting adhesion contact district 6, air supporting making contact district 5 is communicated with by a passage with air supporting adhesion contact district 6 at the bottom of pond, dissolved air release 3 is all arranged bottom air supporting making contact district 5 and air supporting adhesion contact district 6, the water inlet of air supporting making contact district 5 is arranged on the top of zone of action, top arranges automatic control, arranges mechanical dreg removing system 22 above air supporting adhesion contact district 6.In air supporting making contact district 5, water inlet is arranged on the top of zone of action, microbubble and former water countercurrent flow, complete the abundant collision of microbubble and suspended substance, then water outlet enters air supporting adhesion contact district 6, and microbubble contacts with former water coflow, and part microbubble enters air supporting adhesion contact district 6 and increases adhesion contact room microbubble concentration, be convenient to the adhesion process completing microbubble and suspended substance in air supporting adhesion contact district 6, form stable bubble flocs float to air flotation separating chamber 21.Former water flows through air supporting making contact district 5 and air supporting adhesion contact district 6 in turn, and the duration of contact of microbubble and suspended substance is long, improves the adhesion effect of microbubble, better can reduce the generation of bubble flco desorption phenomenon, strengthening air supporting effluent quality.The present invention significantly improves the interaction of microbubble-suspended substance, realizes microbubble and suspended substance and fully collides and effectively adhere to, and reduces the probability of occurrence of bubble flco desorption phenomenon, substantially increases air-float technology opposing change of water quality risk ability and purifying water effect.
2) charcoal sand filtration fraction, filtering layer adopts dark bed gac quartz sand double-layer filter material, upper strata activated-carbon filter layer height is 1400mm (particle diameter 0.5 ~ 1.0mm), lower floor's quartz sand filter height is 300mm (particle diameter 0.8 ~ 1.2mm), fills the cobble support of 300mm under filtering layer.Thickness is 2.0m altogether, and upper strata filtrate has absorption and biological degradation function, and can effectively reduce Organic substance in water content, lower floor's filtrate processes further to water, can effectively prevent the microbial film fragment come off from penetrating filter tank.Airfloat filtering pond operation scheme is flexible.Can manage flexibly floating filter according to algae situation in former water, during former algae class concentration height, run floating filter technique, former algae class concentration can stop air supporting time low, run charcoal sand filtration process, therefore, it is possible to effectively reduce working cost, and, because air flotation cell starts fast, permission intermittent operation, so than being easier to the switching realizing two operation scheme.
3) air supporting Carbon-sand filter works in coordination with water purification effect, and gac plays filtration, absorption and biological action simultaneously.Initial operating stage, gac mainly plays filtration, adsorption, run through long-time continuous, gac grows microbial film gradually, now gac plays absorption and biological degradation, because activated carbon column is higher, former water is after air flotation cell, in water, oversaturated dissolved oxygen is that gac biological degradation provides good condition, air supporting and filtration play collaborative water purification effect, biological activated carbon upper strata is due to dissolved oxygen abundance, organic matter degradation and nitrification obvious, active lower charcoal is due to the not enough denitrification denitrogenation Be very effective of dissolved oxygen, Carbon-sand filter constitutes nitration denitrification filter tank thus, the quartz sand of lower floor then can effectively remove the microbial film come off, for effluent quality provides guarantee.
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 upstream-downstream air-dissolving air-float, enhances air flotation effect.Filtrate is replaced by charcoal sand filtering material by homogeneous filtering material, enhances biological action.Make full use of V-type groove 19 back flushing surface sweep washing function.
(2) air supporting part establishes air supporting making contact district 5 and air supporting adhesion contact district 6, and daf efficiency is high.
(3) air flotation zone is positioned at floating filter central authorities, by the radiation water outlet of mediad both sides, and even water distribution.
(4) air supporting turbidity removal, except algae Be very effective, after air supporting, amount of algae obviously reduces, and amount of algae is many, blocking filter tank, filtration cycle reduces, air supporting as the pre-treatment of filtering, efficient hardening filter effect.
(5) air-float filtration works in coordination with water purification effect.Dissolved oxygen sufficient after air supporting, the efficient hardening biological action in filter tank.After running for some time, active carbon layer growth microbial film, biological degradation strengthens gradually, but biological action needs organic and dissolved oxygen condition, under high organism, high ammonia nitrogen flow condition, dissolved oxygen becomes the control condition of biological action, and air supporting provides sufficient dissolved oxygen condition for gac biological action, enhances biological degradation.
(6) gac filtering layer adopts deep-bed filtration, and denitrification effect is remarkable, forms nitration denitrification filter tank.Under high ammonia nitrogen effect, portion's dissolved oxygen is sufficient on the activated carbon, and nitrification is remarkable, mineralized nitrogen is nitrite nitrogen and nitrate nitrogen, in the bottom of gac filtering layer due to dissolved oxygen depletion totally, form certain oxygen-starved area, therefore nitric nitrogen carries out denitrification, and nitrogen transformation is nitrogen.Therefore Airfloat filtering pond not only removes ammonia nitrogen, removes total nitrogen aspect with the obvious advantage.
(7) floating filter operation scheme is flexible, during algae height, runs air-float filtration technique, when algae is not high, runs Carbon-sand filter.
(8) Airfloat filtering pond operation scheme of the present invention is flexible, effectively can reduce working cost.Can manage flexibly floating filter according to algae situation in former water, during former algae class concentration height, run floating filter technique, when former algae class concentration is low, can air supporting be stopped, running charcoal sand filtration process.
(9) air-float filtration integral, floor space is comparatively economized.Air flotation cell and filtering unit are combined in structures, direct activated carbon filtration after air flotation cell, are conventional processing and advanced treatment integration, save initial investment and working cost.
(10) gac plays filtration, absorption and biological action simultaneously.Initial operating stage, gac mainly plays filtration, adsorption, runs, gac grows microbial film gradually through long-time continuous, and now gac plays absorption and biological degradation.Meanwhile, former water is after air flotation cell, and in water, oversaturated dissolved oxygen is that gac biological degradation provides good condition, and air supporting and filtration play collaborative water purification effect.The quartz sand of lower floor then can effectively remove the microbial film come off, for effluent quality provides guarantee.Floating filter technique is by air supporting, filtering integral, and this technique not only can process algae blooms water, also has good effect to the turbidity removal of reservoir water, taste removal, decolouring, organism and ammonia nitrogen, and operation scheme is flexible, effectively can reduce working cost.
The above is only to better embodiment of the present invention, not any pro forma restriction is done to the present invention, every any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (5)
1. a new air-floating filter, it is characterized in that: comprise the water inlet pipe mouth (1) be arranged on above Airfloat filtering pond, former water is after flocculation process, enter in air supporting making contact district (5) by water inlet pipe mouth (1), air supporting making contact district (5) both sides are respectively equipped with air supporting adhesion contact district (6), air supporting making contact district (5) and air supporting adhesion contact district (6) are separated by dividing plate, air supporting making contact district (5) and air supporting adhesion contact district (6) are located in the middle part of Airfloat filtering pond, Airfloat filtering pond is separated into left and right two portions that structure is identical, the bottom in air supporting making contact district (5) and air supporting adhesion contact district (6) is provided with the whole bottom of channel connection, dissolved air release (3) is provided with in passage, dissolved air release (3) can to the molten gas of release in air supporting making contact district (5) and air supporting adhesion contact district (6), dissolved air release (3) connects dissolved air water return line (13), the top oral area in air supporting making contact district (5) and air supporting adhesion contact district (6) is provided with air supporting flow deflector (4) obliquely, two portions internal space, Airfloat filtering pond left and right is air flotation separating chamber (21), air flotation separating chamber (21) top is provided with mechanical dreg removing system (22), the below of air flotation separating chamber (21) is provided with three layer filtration layer, three layer filtration layer from top to bottom material therefor is followed successively by carbon leaching material (8), quartz sand filter media (9) and cobble supporting layer (10), leave a space bottom cobble supporting layer (10) and Airfloat filtering pond and be used for holding the water after filtering, air supporting making contact district (5) and air supporting adhesion contact district (6) bottom and Airfloat filtering pond pond at the bottom of between be provided with one close bottom space, the pair of sidewalls of the bottom space closed is provided with water distribution square hole (12) and distribution aperture (11), another oppose side wall of the bottom space closed is connected with Graceful water pipe (17), back flushing water inlet pipe (15) and back flushing inlet pipe (14), water after filtration flows in closed bottom space by water distribution square hole (12), flow out outside from Graceful water pipe (17), air-water backwashing is adopted during back flushing, first backwashing water enters bottom space by back flushing water inlet pipe (15), backwash gas also enters bottom space by back flushing inlet pipe (14), backwashing water is by water distribution square hole (12), backwash gas is entered in the space of cobble supporting layer (10) below by distribution aperture (11) and upwards carries out back flushing through filtering layer successively, the Airfloat filtering pond pool wall of bottom, air supporting making contact district (5) is provided with water shoot (16), water shoot (16) upwards can be mentioned the drainage flashboard (18) opened and be sealed, two-part top, Airfloat filtering pond left and right is respectively equipped with a V-type groove (19) and a surface sweep washing passage, surface sweep washing passage is arranged according to Airfloat filtering pond pool wall, V-type groove (19) is according to surface sweep washing channel setting, the two ends of V-type groove (19) and surface sweep washing passage are made up of other a pair pool wall respectively, the pool wall of V-type groove (19) one end is provided with the deslagging mouth of pipe (2), V-type groove (19) the other end is communicated with outside surface sweep washing water inlet pipe (7), surface sweep washing passage is provided with several surface sweep washing water distribution apertures (20).
2. according to new air-floating filter a kind of described in claim 1, it is characterized in that: the height of described surface sweep washing water distribution aperture (20) is higher than the height of the air supporting flow deflector (4) of air supporting adhesion contact district (6) oral area.
3. according to new air-floating filter a kind of described in claim 1, it is characterized in that: the thickness of described carbon leaching material (8) is 1400mm, the particle diameter 0.5 ~ 1.0mm of carbon leaching material (8).
4. according to new air-floating filter a kind of described in claim 1, it is characterized in that: the thickness of described quartz sand filter media (9) is 300mm, the particle diameter 0.8 ~ 1.2mm of quartz sand filter media (9).
5. according to new air-floating filter a kind of described in claim 1, it is characterized in that: the thickness of described 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 true CN104724843A (en) | 2015-06-24 |
| CN104724843B 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) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417780A (en) * | 2015-12-09 | 2016-03-23 | 苏州佳仕杰环保工程有限公司 | 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417780A (en) * | 2015-12-09 | 2016-03-23 | 苏州佳仕杰环保工程有限公司 | 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 |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104724843B (en) | 2017-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100443675C (en) | Household different water supply system | |
| CN106554132B (en) | A kind of the sewage deep nitrogen rejection facility and its operation method of high pollutant carrying capacity low energy consumption | |
| CN202516410U (en) | Precipitation and filtering compounding tank | |
| CN104724843A (en) | Novel air-floating filter | |
| CN201292263Y (en) | Vertical flow type aerobic gas float filter chamber | |
| CN203976477U (en) | A kind of two-stage biofilter taking bamboo silk, haydite as filtrate respectively | |
| CN105585216B (en) | Micro polluted source method for processing water supply depth | |
| CN201296713Y (en) | Inner circulating biological aerated filter and retention pond combined treatment system | |
| CN101700914A (en) | Sludge circular flocculation-membrane filtration reactor | |
| CN101357814A (en) | Linkage processing method and apparatus of circulatory flow multiplex biochemistry and filtrating | |
| CN112939365A (en) | Aquaculture circulating water treatment device | |
| 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 | |
| CN114044587B (en) | Manganese oxide film loaded expanded bed filter and method for removing thallium by adsorption by using same | |
| CN205933383U (en) | SBR filtration system integrates | |
| CN203382619U (en) | Sewage-land biological filtration and precipitation system for removing suspended solids and organic matters from sewage | |
| CN210505946U (en) | Carbon-sand combined filter tank for water supply plant | |
| CN210103705U (en) | Environment-friendly efficient composite domestic sewage treatment system for thermal power plant | |
| CN211620290U (en) | Aquaculture tail water treatment and circulating device | |
| CN2494828Y (en) | Comprehensive water purifier | |
| CN112279396A (en) | Carbon sand double-spliced filter tank | |
| CN207827959U (en) | A kind of biological aerated filter of processing biogas slurry | |
| CN205893002U (en) | Pollute water purification device of water | |
| CN101935113A (en) | Method and device thereof for treating cascade adsorbed water by radiating lateral and vertical flows | |
| CN214528568U (en) | Carbon sand double-spliced filter tank |
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 |