CN106517492A - Filter head with aeration function - Google Patents
Filter head with aeration function Download PDFInfo
- Publication number
- CN106517492A CN106517492A CN201611034078.0A CN201611034078A CN106517492A CN 106517492 A CN106517492 A CN 106517492A CN 201611034078 A CN201611034078 A CN 201611034078A CN 106517492 A CN106517492 A CN 106517492A
- Authority
- CN
- China
- Prior art keywords
- filter
- appendix
- water
- gas
- aeration
- 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.)
- Pending
Links
- 238000005273 aeration Methods 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000009826 distribution Methods 0.000 claims abstract description 49
- 239000011148 porous material Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 2
- 210000004907 gland Anatomy 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000006213 oxygenation reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 238000011001 backwashing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005276 aerator Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- -1 as during backwash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/06—Aerobic processes using submerged filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
A filter head with an aeration function comprises a filter pole, a gas pipe, a filter cap and a fixing ring, where at least one gas pipe on the filter pole is communicated with the filter cap and used for conveying gas only during aeration in the filtering process of a filter chamber, so that gas and water conveying channels of the filter head are independent, a gas cushion layer formed in the filter cap is more stable, and water and gas distribution is more uniform. Two rows of or more small gas distribution holes are uniformly formed in the filter cap, a high open-area ratio facilitating large-resistance gas distribution is adopted, low-air-flow aeration is performed only through a part of the small gas distribution holes in the filter cap, and gas distribution is performed through all the small gas distribution holes in the filter cap during high-air-flow back flushing. A plurality of water distribution holes are formed in the fixing ring at the bottom of the filter cap, and filtration water and back-flushing water are distributed uniformly through the water distribution holes. With the adoption of the filter head, water and gas distribution during back flushing and water distribution and aeration oxygenation during filtering are realized simultaneously.
Description
Technical field
The present invention relates to water-treatment technology field, specifically a kind of to have uniform aeration, backwash water distribution uniformity cloth simultaneously
The filter of airway dysfunction.
Background technology
BAF is a kind of sewage treatment technique of early 1990s exploitation, and range of application is more wide
It is general.BAF because of the biochemical reaction that aerobic microbiological occurs in pond, need to carry out aeration to filter tank in running
Oxygenation.In engineering construction, BAF need to adopt appropriate aerator, and air is evenly distributed and is divided into enough
Little bubble, is beneficial to the absorption of microorganism.While BAF is in addition to conventional biochemical wastewater treatment, also to sewage
In polluter carry out physical filtering, therefore BAF is the same with general filter chamber, the inorganic particle in running
Or the impurity such as organic sludge is constantly accumulated in filter material layer, these impurities accumulations to a certain extent after, it is necessary to clear water to filter
Material is rinsed, and this cleaning is that needs carry out equably air water in the bottom in filter tank by the way of air water joint is rinsed
Distribution, just can guarantee that all of filtrate sufficiently can be cleaned.
The aeration aerating of BAF is most of at present adopts two kinds of forms of perforated pipe or single-hole membrane aerator.Perforation
The advantage of pipe is simple structure, is not easily blocked, and has the disadvantage that the utilization rate of oxygen is relatively low, and dynamic efficiency is also low, need to increase exposure during operation
Tolerance could meet demand of the biological treatment to oxygen, so as to increased operating cost and construction cost.And single-hole membrane aerator,
Advantage is that aeration is evenly distributed, and coefficient of oxygen utilization is high, has the disadvantage that diaphragm is easily destroyed by the extruding of supporting layer, makes aeration point
It is deteriorated with effect, maintenance needs all to draw out by filtrate when changing, and trouble is changed in maintenance.Except using above-mentioned aeration schemes
Outward, also have and a set of filter is only installed in BAF, realize that filtered water inlet water distribution, aeration are filled simultaneously using filter equipment
The function of water and air distributing when oxygen and backwash, has cut special aeration aerating equipment, but due to the pore of current filter filter cap
Diameter generally according to atm number backwash distribution demand designing, when causing the aeration of little tolerance, the air produced by pore
Bubble is excessive, and distribution is uneven, and oxygen transfer efficiency is low；In addition, also there is Gas-Water Contant in filter cap and disturb greatly in current filter
The problems such as causing water and air distributing uneven.
In sum, in the application of BAF, it is desirable to have a set of to realize that uniform aeration, backwash are uniform
The equipment of water and air distributing.
The content of the invention
It is an object of the invention to the aerator solved used by existing BAF cannot be exposed while meeting filtration
Gas oxygenation, the problem of backwash gas water distribution effects, there is provided a kind of in BAF, while have aeration, water distribution
And the filter of backwash water and air distributing function, this kind of filter is while backwash air, backwashing water is evenly distributed, it is also possible to
Realize uniform aeration, and realize higher oxygen transfer efficiency, make BAF keep higher treatment effeciency and relatively low
Operation power.The perforate mode of unique air water mode of movement and rational water and air distributing can realize aeration rate larger simultaneously
Uniform water distribution distribution during range.
The present invention is a kind of filter with aeration performance, and it includes filter rod, appendix, filter cap, retainer ring, wherein filter rod
On at least one appendix and filter cap UNICOM, the bottom of appendix is located at the middle part correct position of filter rod；The filter rod bottom
Correct position is provided with some watering slots or inlet opening, is uniformly provided with the pore of two rows or more, the fixation in the filter cap
Several water distributing pores are provided with ring, and the retainer ring is by being threadedly secured under filter cap in filter rod.
In the above-mentioned filter with aeration performance, the appendix stretches into certain altitude in filter cap, and gas outlet is located at defeated
Trachea top, air inlet are located at appendix bottom.Gas in the air water distributor chamber of filter tank carries out one in filter cap through appendix
Secondary distribution, forms stable Gas-Water Contant in filter cap.
Further, the appendix is may be provided inside filter rod or outside filter rod, the gas transmission being arranged on inside filter rod
Manage at least one gas channels filter rod wall is passed through by extraneous air and appendix air inlet UNICOM.Further, the outlet
Mouthful can be open several ventholes at the top of appendix or some go out sealing gland, or other types of gas distribution structure.
Further, filter cap top correct position opens several distribution apertures for being evenly arranged of two rows or more.
Further, the retainer ring opens the distributing hole that several are evenly arranged.
In the above-mentioned filter with aeration performance, filter cap top correct position opens two rows or more, and several are uniform
The distribution aperture of arrangement, Jing water-supply-pipes carry out secondary distribution into the air in filter cap by distribution aperture；Work as filter back washing
During distribution, as backwash tolerance is larger, the Gas-Water Contant formed in filter is relatively low, then all of distribution aperture plays backwash distribution
Effect；When filter tank normal filtration aeration, as aeration tolerance is less, the Gas-Water Contant formed in filter is higher, therefore only filter cap
The part distribution aperture on top plays aeration distribution effect.
Water Jing in the above-mentioned filter with aeration performance, in filter back washing water distribution, in the air water distributor chamber of filter tank
The vertical watering slot of filtering rod bottom is reached in filter cap again into filter rod, then carries out backwash water distribution by the distributing hole in retainer ring.
Filter of the present invention with aeration performance is compared with other common filters with aeration performance with following advantage：
（One）Independent Pipeline transport air and water, air water conveying are more stable.Filter of the present invention, the inside of water-supply-pipe set one it is defeated
Trachea, when aeration, aeration air enters appendix, and accessing pending water enters filter rod by vertical watering slot, aeration air and waits to locate
The independent Pipeline transports of reason water Jing, for common filter, in course of conveying, accessing pending water is not occurred with aeration air
Contact with each other, the phenomenon of gas-water interface disturbance in filter cap can be reduced, it is ensured that stable water delivery gas transmission.
（Two）The distribution aperture of two rows or more is opened in the filter cap of filter of the present invention, and big resistance perforate ratio is pressed in aperture, stingy
Aeration is carried out merely with part distribution aperture during amount aeration, higher aeration aerating rate and the small gas for evenly distributing is capable of achieving
Bubble.Additionally, aeration rate is when changing in a big way, uniform water distribution distribution is also capable of achieving, the range of accommodation of filter water and air distributing is wide.
Description of the drawings
Fig. 1 is the profile of filter of the present invention；
Fig. 2 is the outline drawing of filter of the present invention；
In accompanying drawing, each several part is：Filter rod 1, the appendix 2 inside filter rod 1, the filter cap 3 and retainer ring 4 on filter rod top；Wherein filter rod
Screw thread 1-1 is arranged at 1 top, and vertical watering slot 1-2 is arranged at bottom；Venthole 2-1 is arranged at wherein 2 top of appendix, and there are gas channels lower end
Appendix is communicated by 2-2 with extraneous air；Wherein filter cap 3 is provided with the distribution aperture 3-1 that two rows are evenly arranged；Wherein fix
Several water distributing pore 4-1 is provided with ring 4 uniformly.
Specific embodiment
The specific embodiment that the present invention combines accompanying drawing is the following is, technical scheme is further described, but
The invention is not restricted to following examples.
Reference picture 1-1 and 1-2, a kind of filter with aeration performance mainly include filter rod 1, appendix 2, filter cap 3 and consolidate
Determine ring 4.Appendix 2 is arranged in filter rod and stretches into certain distance in filter cap 3.3 top certain position of filter cap is opened 2 and is arranged symmetrically
Distribution aperture 3-1, the bottom certain position kept at a certain distance away with top distribution aperture 3-1 open again 4 be arranged symmetrically match somebody with somebody
Gas aperture 3-1.Filter cap 3 is arranged in retainer ring 4, and retainer ring 4 is fixed by the screw thread 1-1 in filter rod 1.The wherein top of appendix 2
Portion's certain position is provided with 4 venthole 2-1 being evenly arranged, and opening diameter is 2.0mm.1 middle part suitable position of filter rod is provided with 1
The gas channels 2-2 of individual tubular type is communicated with 2 bottom of appendix；Two are opened at the certain position of bottom vertically in 1 lower end of filter rod
The size of the vertical watering slot 1-2 of arrangement, vertical watering slot 1-2 is 20mm × 2mm；Retainer ring 4 opens 6 equally distributed water distributions
Hole 4-1, percent opening are 0.5 ~ 0.8%.
In filter back washing, the water in the air water distributor chamber of filter tank passes through 2 bottom of filter rod to this kind of filter with aeration performance
The vertical watering slot 1-2 in portion is passed through in filter cap 3 again into filter rod 2, forms stable Gas-Water Contant with the air in filter cap, bottom
Distributing hole 4-1 in 3 bottom retainer ring 4 of filter cap is carried out uniform water distribution by water layer；While the sky in the air water distributor chamber of filter tank
Gas enters appendix 2 by gas channels 2-1, then carries out once matching somebody with somebody in filter cap by the venthole 2-1 on 2 top of appendix
Gas, as during backwash, air inflow is larger, the Gas-Water Contant in filter cap 3 is relatively low, and backwash gas are simultaneously through two rows distribution aperture
3-1 carries out secondary distribution.When filter tank normal filtration carries out aeration aerating, due to aeration air inflow it is less, Gas-Water Contant in filter cap 3
Higher, 2 distribution aperture 3-1 on top are implemented separately aeration distribution, compare perforate because distribution aperture 3-1 employs big resistance perforate
Mode, and aperture is little（Percent opening is 0.02% ~ 0.04%）, therefore aeration air can realize the distribution effects of minute bubbles, improve
The transfer efficiency of oxygen.
In sum, the present invention has the filter of aeration performance, can realize aeration simultaneously only with a set of filter equipment
Evenly distributing for air, backwash air and backwashing water, reduces the equipment investment of BAF, improves stable
Property.
Claims (6)
1. a kind of filter with aeration performance, it includes filter rod, appendix, filter cap, retainer ring, it is characterised in that：The filter
At least one appendix and filter cap UNICOM on bar, the bottom of appendix is located at the middle part correct position of filter rod, under the filter rod
Portion's correct position is provided with some backwashes and enters air cleft, is uniformly provided with the pore of two rows or more, the retainer ring in the filter cap
On be provided with several water distributing pores, the retainer ring is by being screwed under filter cap in filter rod.
2. a kind of filter with aeration performance according to claim 1, is characterized in that：The appendix may be provided at filter
Inside bar or outside filter rod, at least one gas channels of single appendix being arranged on inside filter rod will be outer through filter rod wall
Portion's air and appendix air inlet UNICOM.
3. appendix according to claim 2, is characterized in that：The appendix stretches into certain altitude in filter cap, gas outlet
Positioned at appendix top, air inlet is located at appendix bottom.
4. appendix according to claim 2, is characterized in that：The gas outlet can open several at the top of appendix to go out
Pore or some go out sealing gland, or other kinds of gas distribution structure.
5. the filter with aeration performance according to claim 1, is characterized in that：Filter cap top correct position opens two
Row or more several distribution apertures for being evenly arranged.
6. the filter with aeration performance according to claim 1, is characterized in that：The retainer ring opens several uniform cloth
The distributing hole put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034078.0A CN106517492A (en) | 2016-11-23 | 2016-11-23 | Filter head with aeration function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034078.0A CN106517492A (en) | 2016-11-23 | 2016-11-23 | Filter head with aeration function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106517492A true CN106517492A (en) | 2017-03-22 |
Family
ID=58356656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611034078.0A Pending CN106517492A (en) | 2016-11-23 | 2016-11-23 | Filter head with aeration function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106517492A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110563125A (en) * | 2019-09-23 | 2019-12-13 | 浙江联池水务设备股份有限公司 | Sewage treatment equipment |
| CN110606544A (en) * | 2019-09-25 | 2019-12-24 | 浙江联池水务设备股份有限公司 | Biological aerated filter with small floor area |
| CN113788550A (en) * | 2021-09-08 | 2021-12-14 | 黎晓玲 | Wastewater stirrer for water area aeration |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372359A (en) * | 2011-10-13 | 2012-03-14 | 惠州市铭博实业发展有限公司 | Independent filter head for stable-pressure water distribution and gas distribution of air cushion layer and application method thereof |
| CN202366523U (en) * | 2011-12-22 | 2012-08-08 | 净化控股集团有限公司 | Air water backwashing filter |
| CN206680249U (en) * | 2016-11-23 | 2017-11-28 | 深圳市清泉水业股份有限公司 | A kind of filter with aeration performance |
-
2016
- 2016-11-23 CN CN201611034078.0A patent/CN106517492A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372359A (en) * | 2011-10-13 | 2012-03-14 | 惠州市铭博实业发展有限公司 | Independent filter head for stable-pressure water distribution and gas distribution of air cushion layer and application method thereof |
| CN202366523U (en) * | 2011-12-22 | 2012-08-08 | 净化控股集团有限公司 | Air water backwashing filter |
| CN206680249U (en) * | 2016-11-23 | 2017-11-28 | 深圳市清泉水业股份有限公司 | A kind of filter with aeration performance |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110563125A (en) * | 2019-09-23 | 2019-12-13 | 浙江联池水务设备股份有限公司 | Sewage treatment equipment |
| CN110606544A (en) * | 2019-09-25 | 2019-12-24 | 浙江联池水务设备股份有限公司 | Biological aerated filter with small floor area |
| CN113788550A (en) * | 2021-09-08 | 2021-12-14 | 黎晓玲 | Wastewater stirrer for water area aeration |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |