CN104771944B - A kind of go out water filter for upflow type aerating biological filter - Google Patents
A kind of go out water filter for upflow type aerating biological filter Download PDFInfo
- Publication number
- CN104771944B CN104771944B CN201510171049.8A CN201510171049A CN104771944B CN 104771944 B CN104771944 B CN 104771944B CN 201510171049 A CN201510171049 A CN 201510171049A CN 104771944 B CN104771944 B CN 104771944B
- Authority
- CN
- China
- Prior art keywords
- filter
- cylindric
- water outlet
- mask
- biofilter
- 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.)
- Expired - Fee Related
Links
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of go out water filter for upflow type aerating biological filter, including cylindric support, filter medium net, joint and mask, described filter medium net is coated on outside described cylindric support；Described cylindric support is provided with row's formula inlet opening；Described mask is arc-shaped plate, cross section semicircular in shape, and section radius is bigger than described cylindric holder radius；Described mask is placed on cylindric frame upper, and the inner surface of described mask is bonded to each other with the outer surface of cylindric support；Described cylindric support is connected to a fixed in biofilter pool wall with described joint.The present invention can biomembrane in the interception biofilter water outlet of water side, biofilter.
Description
Technical field
The present invention relates to biofilter goes out water-treatment technology field, particularly relates to a kind of for upflow type aerating biological filter
Go out water filter.
Background technology
Biofilter is the traditional handicraft that biomembrance process processes sewage, is widely used in municipal sewage treatment, some industrial wastewater
Process and reusing sewage advanced treating.But, existing biofilter all uses weir flow water outlet, it is impossible to intercept aeration and biological filter
From the aging biomembrane come off of filter material surface in the water outlet of pond, cause water outlet SS (waiting pollutant) to exceed standard, reduce biofilter
Effluent quality, hampers the use of biofilter water outlet, and e.g., for ordinary biofilter, in biomembrane, VSS/SS is about
0.6～0.85, nitrogen content is about 7.4～10.5%, and phosphorus content is about 1.2～1.7%, and COD contribution amount is about 0.85～1.36gCOD/g
(that is, 1.4～1.6gCOD/gSS)；If biofilter biomembrane has biological phosphorus removal functional, then the phosphorus content in biomembrane
Will be up to 3.8～8.5%.Therefore, water outlet often contains 1mgSS, highest possible cause 0.1mgTN, 0.1mgTP respectively
And the COD of 1.36mg.Therefore, for improving biofilter effluent quality, mainly by biofilter frequency is recoiled
Wash, follow-up set up rapid filter to reduce biofilter water outlet biomembrane content, control effluent quality.But, frequency anti-
Flushing can reduce the biomass in biofilter, affect the accumulation of biomass in biofilter, and then has influence on biofilter
Biological degradation function；And set up follow-up rapid filter and can increase equipment occupation of land, increase system operation cost simultaneously.
Summary of the invention
The technical problem to be solved is to provide and a kind of goes out water filter for upflow type aerating biological filter, can be
Biomembrane in the interception biofilter water outlet of water side, biofilter.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of going out for upflow type aerating biological filter
Water filter, including cylindric support, filter medium net, joint and mask, described filter medium net is coated on described cylinder
Outside shape support；Described cylindric support is provided with row's formula inlet opening；Described mask is arc-shaped plate, cross section semicircular in shape, and
Section radius is bigger than described cylindric holder radius；Described mask is placed on cylindric frame upper, and described mask is interior
Surface is bonded to each other with the outer surface of cylindric support；Described cylindric support is connected to a fixed in biofilter with described joint
Pool wall.
The aperture of described row's formula inlet opening is 1-2mm.
The big 2mm of radius of cylindric support described in the radius ratio in described mask cross section.
Described cylindric support uses stainless steel material to make.
Described mask is adopted made of plastic.
Described filter medium net is stainless steel filtering net.
Beneficial effect
Owing to have employed above-mentioned technical scheme, the present invention compared with prior art, has the following advantages that and good effect:
1) go out water filter and retained aging biomembrane and other suspended materials that filter material surface comes off, improve effluent quality；
2) number of times of biofilter backwash can be reduced, it is to avoid backwash causes the biomembrane mistake that filter material surface grows continually
Few, thus have influence on the performance of biofilter microbial degradation function；
3) alleviate the burden of biofilter water outlet subsequent treatment, follow-up rapid filter and relevant device thereof can be saved；
4) described in go out water filter can utilize the upflow type aerating biological filter water surface burst apart bubble formed local high speed gas
Stream and current carry out automatically cleaning, extend the use cycle of water outlet filter surfaces filter membrane largely.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the sectional view of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments be merely to illustrate the present invention and
It is not used in restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, people in the art
The present invention can be made various changes or modifications by member, and these equivalent form of values fall within the application appended claims equally and limited
Scope.
Embodiments of the present invention relate to a kind of going out water filter for upflow type aerating biological filter, as shown in Figure 1-Figure 3,
Including cylindric support 2, filter medium net 1, joint 3 and mask 6, described filter medium net 1 is coated on described cylindrical shape
Outside support 2；Described cylindric support 2 row's of being provided with formula inlet opening；Described mask 6 is arc-shaped plate, cross section semicircular in shape,
And section radius is bigger than described cylindric holder radius；Described mask 6 is placed on cylindric support 2 top, and described illiteracy
The inner surface of plate 6 is bonded to each other with the outer surface of cylindric support 2；Described cylindric support 2 is connected with described joint 3
It is fixed on biofilter pool wall 7.
Described biofilter going out water filter and is arranged on delivery port position, biofilter, biofilter water outlet is through filter medium
During net, aging biomembrane and other suspended materials are trapped within filter medium net surface, and the water after filtration flows through filter medium net
And cylindric support entrance biofilter outlet pipe, biofilter outlet pipe passes through joint at filter tank pool wall with going out water filter
Interior connection.
Biofilter air of excess in aeration process can overflow at the water surface with the form of bubble and burst apart, and the bubble that bursts apart causes
Local high velocity air and current can form high-strength scouring force in water outlet filter bottom, and be trapped in filter medium net surface
Aging biomembrane and other suspended materials, under the effect of this scouring force, in punching torr to the mask going out water filter top, play
Go out the water surface (being immersed in the part in the liquid of biofilter) carry out automatic cleaning action to going out water filter.
The biomembrane of mask upper surface accumulation can automatically be backwashed water in the backwash process of biofilter and take biological filter out of
Pond, if need can also will go out water filter top mask take off carry out force cleaning.
The present invention is further illustrated below with a specific embodiment.
Described go out water filter based on cylindric stainless steel stent 2, cylindric stainless steel stent 2 is a punched-type (hole
Footpath is 1～2mm) stainless steel waterpipe, cylindric stainless steel stent diameter D and the water outlet water yield of upflow type aerating biological filter
Positive correlation, it goes out Water l oad and is about 10-50L/h.This cylindrical shape stainless steel stent 2 one end is closed, and the other end is welded on to be had
On the stainless joint 3 of screw thread.Cylindric stainless steel stent 2 outer cover stainless steel filtering net 1 (aperture 100 mesh).Cylinder
Shape stainless steel stent 2 is fixed on upflow type aerating biological filter pool wall 7 by joint 3 and detachable fixator 4.Gu
Determine to go out with filter tank inside device 4 water filter is connected and outside is connected with upflow type aerating biological filter outlet pipe 5, filter tank
Water outlet, after water outlet filter process, is discharged by outlet pipe 5.
Placement mask 6 above the screen pack of water filter, mask 6 and screen pack laminating design is gone out, in order to cut in biofilter
Stay, collect aging biomembrane and other suspensions.The material of mask 6 can be selected for plastics, thickness about 2mm, overall in circular arc
Shape, cross sectional shape semicircular in shape, diameter of section is more bigger than cylindric stainless steel stent diameter, the biggest 2mm.Cover
Plate is connected by plug-in type connected mode with cylindric stainless steel stent.
Biofilter water outlet is discharged by stainless steel filter cylinder after screen pack, and aging biomembrane and other suspensions are retained by filter screen
In outside.Long-time use after, the biomembrane entrained by the water outlet of biofilter by excess air bubble jacking, be blown into water outlet
Constantly accumulate formation biological sludge in the mask on filter top, and screen pack bottom is the most clear due to washing away of bubble
Clean, reach water filter from clear purpose.When mask surface biological film accumulation degree is higher, can be by mask with from biology
Filter tank goes out in water filter to turn back to biofilter again after removal is cleaned and go out water filter.
Respectively at certain (there is denitrogenation dephosphorizing function intermittent aerating formula) upflow type aerating biological filter water outlet, gather through water outlet
The water sample that filter process is forward and backward, the total phosphorus (TP) in analysis water-like, total nitrogen (TN), total COD (TCOD)
And dissolved phosphorus (SOP), dissolubility COD (SCOD).And it is designed with t inspection (paired paired in statistical method
Whether the existence studentt-test) analyzing water filter produces impact to effluent quality.It is analyzed through 15 sub-samplings
Comparison, it was found that the existence going out water filter almost all of suspension phosphorus in can removing upflow type aerating biological filter
Impurity, without the dissolved phosphorus in the water outlet of water outlet filter process with through going out water filter water outlet total phosphorus have significantly
Correlation, its coefficient correlation be higher than 0.998.Go out water filter can not only reduce suspension in water outlet further and (cause
) TCOD, additionally it is possible to reduce dissolubility COD；TCOD in the water outlet of water outlet filter process and dissolubility
COD has significant correlation, its coefficient correlation 0.998.After water outlet filter process, the total TN in water outlet contains
Amount produces notable change.For test water sample concentration range, to data statistics analysis result, as shown in table-1～table-4, to institute
In stating table, data analysis can obtain as drawn a conclusion:
(1) before water outlet filter process, in waste water, TP and dissolved phosphorus have that dramatically different (P=0.01 < 0.05, both are
Differ 2.84mg/L, average phase difference 1.914mg/L more；
(2) the total phosphorus content generation significant change (P=0.02 < 0.05) after water outlet filter process, in water outlet；Logical
Cross water outlet filter process, at most can remove 2.83mg/LTP, average removable 1.795mg/LTP, account for average water outlet
The 13.4% of TP；
(3) after water outlet filter process, the total phosphorus in water outlet and dissolved phosphorus do not have significantly different (P=0.052 > 0.05)；
Therefore, (1)～(3) data analysis illustrate, go out water filter and can reduce suspension in water outlet (causing) further
Total phosphorus.
(4) total phosphorus in the water outlet of water outlet filter process and dissolved phosphorus have significant correlation, its coefficient correlation
Higher than 0.998；
(5) after water outlet filter process, the total COD content in water outlet produces notable change (P=0.009 < 0.05)；
Total COD of 1.37～7.89mg/L in water outlet, average removable 4.634mg/L can be reduced through going out water filter, account for out
The 7.43% of all total COD of level；
(6) before water outlet filter process, in waste water, TCOD and dissolubility COD have dramatically different (P=0.001 < 0.05)
(7) after water outlet filter process, the TCOD in water outlet and dissolubility COD have significantly different
(P=0.001 < 0.05), goes out water filter and can not only reduce suspension in water outlet (causing) TCOD further, moreover it is possible to
Enough reduce dissolubility COD；
(8) TCOD in the water outlet of water outlet filter process and dissolubility COD have significant correlation, and it is correlated with
Coefficient 0.998；Before and after water outlet filter process processes, in waste water, dissolubility COD (SCOD) has certain correlation,
Its coefficient correlation is 0.995；
(9) after water outlet filter process, the total TN content in water outlet produces notable change (P=0.005 < 0.05)；Warp
Cross water outlet filter process and can reduce the TN of 0.53～2.54mg/L in water outlet；Average removable 1.535mg/L, accounts for water outlet
The 15.23% of average total N.
P change in concentration inspection * in water sample before and after table-1a water outlet water outlet filter process
Correlation * of water sample P parameter before and after table-1b water outlet water outlet filter process
COD change in concentration inspection * in water sample before and after table-2a water outlet water outlet filter process
TN change in concentration inspection * in water sample before and after table-3a water outlet water outlet filter process
Correlation * of water sample P parameter before and after table-3b water outlet water outlet filter process
Water sample water quality parameter distribution statistics table tested by table-4
Claims (6)
1. go out a water filter for upflow type aerating biological filter, including cylindric support (2), filter medium net (1),
Joint (3) and mask (6), described filter medium net (1) is coated on described cylindric support (2) outward, its feature
It is, described cylindric support (2) row's of being provided with formula inlet opening；Described mask (6) is arc-shaped plate, cross section in
Semicircle, and section radius is bigger than described cylindric holder radius；Described mask (6) is placed on cylindric support (2)
Top, and the inner surface of described mask (6) is bonded to each other with the outer surface of cylindric support (2)；Described cylindrical shape
Support (2) and described joint (3) are connected to a fixed in biofilter pool wall (7).
The most according to claim 1 go out water filter for upflow type aerating biological filter, it is characterised in that described row
The aperture of formula inlet opening is 1-2mm.
The most according to claim 1 go out water filter for upflow type aerating biological filter, it is characterised in that described illiteracy
The big 2mm of radius of cylindric support (2) described in the radius ratio in plate (6) cross section.
The most according to claim 1 go out water filter for upflow type aerating biological filter, it is characterised in that described circle
Tubular support (2) uses stainless steel material to make.
The most according to claim 1 go out water filter for upflow type aerating biological filter, it is characterised in that described illiteracy
Plate (6) is adopted made of plastic.
The most according to claim 1 go out water filter for upflow type aerating biological filter, it is characterised in that described mistake
Filter medium net (1) is stainless steel filtering net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171049.8A CN104771944B (en) | 2015-04-10 | 2015-04-10 | A kind of go out water filter for upflow type aerating biological filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171049.8A CN104771944B (en) | 2015-04-10 | 2015-04-10 | A kind of go out water filter for upflow type aerating biological filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104771944A CN104771944A (en) | 2015-07-15 |
| CN104771944B true CN104771944B (en) | 2016-08-24 |
Family
ID=53613905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510171049.8A Expired - Fee Related CN104771944B (en) | 2015-04-10 | 2015-04-10 | A kind of go out water filter for upflow type aerating biological filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104771944B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6666968B2 (en) * | 2001-03-22 | 2003-12-23 | Vortex International, Llc | Fluid filtration apparatus |
| CN1535170A (en) * | 2001-10-18 | 2004-10-06 | 株式会社荏原制作所 | Dynamic filter module |
| CN101927103A (en) * | 2009-09-24 | 2010-12-29 | 成都联创精密机械有限公司 | Net type filter element |
| CN201890800U (en) * | 2010-09-13 | 2011-07-06 | 中国水产科学研究院黄海水产研究所 | Sleeve-type sewage draining device for biological purifying tank of circulating water culture system |
| CN202933547U (en) * | 2012-12-12 | 2013-05-15 | 北京中环膜材料科技有限公司 | Sleeve filter |
| CN103432820A (en) * | 2013-09-04 | 2013-12-11 | 常州友达环保科技有限公司 | Efficient suction filtration settling pond |
-
2015
- 2015-04-10 CN CN201510171049.8A patent/CN104771944B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6666968B2 (en) * | 2001-03-22 | 2003-12-23 | Vortex International, Llc | Fluid filtration apparatus |
| CN1535170A (en) * | 2001-10-18 | 2004-10-06 | 株式会社荏原制作所 | Dynamic filter module |
| CN101927103A (en) * | 2009-09-24 | 2010-12-29 | 成都联创精密机械有限公司 | Net type filter element |
| CN201890800U (en) * | 2010-09-13 | 2011-07-06 | 中国水产科学研究院黄海水产研究所 | Sleeve-type sewage draining device for biological purifying tank of circulating water culture system |
| CN202933547U (en) * | 2012-12-12 | 2013-05-15 | 北京中环膜材料科技有限公司 | Sleeve filter |
| CN103432820A (en) * | 2013-09-04 | 2013-12-11 | 常州友达环保科技有限公司 | Efficient suction filtration settling pond |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104771944A (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101274800B (en) | Film separated activated sludge apparatus | |
| JP4635666B2 (en) | Water treatment method | |
| JP2009039709A (en) | Treating apparatus and treating method for oil and fat-containing wastewater | |
| CN105036296A (en) | Immersed flat sheet membrane bioreactor with micro-channel turbulence-flow promoters | |
| CN102295383A (en) | Advanced municipal wastewater treatment system and technology using the same for advanced treatment | |
| US8475653B2 (en) | Water treatment apparatus having meshed tubes provided with cilia and water treatment method using the same | |
| RU143767U1 (en) | INSTALLATION FOR COMPREHENSIVE CLEANING OF DRINKING WATER | |
| CN104771944B (en) | A kind of go out water filter for upflow type aerating biological filter | |
| JP2007209949A (en) | Filtrate recovery device of solid-liquid mixed/processed liquid | |
| KR200336701Y1 (en) | Polluted river-water purification system using direct aeration | |
| JP5448285B2 (en) | Membrane separation activated sludge treatment method | |
| CN213834774U (en) | Filter element assembly and water purification system | |
| RU187325U1 (en) | SEWAGE TREATMENT DEVICE | |
| CN207632652U (en) | A kind of printing wastewater catalysis reaction filter device | |
| CN208667417U (en) | A kind of biomembrane reinforced deposition device | |
| CN102874965B (en) | System for recycling waste water containing oil and washing water | |
| CN106007174A (en) | Pre-separation enhanced nitrogen removal integrated sewage treatment process | |
| KR100887760B1 (en) | Water treatment system using fluidized bed media | |
| JP6830037B2 (en) | Sewage treatment system | |
| CN111289339A (en) | Water sample pretreatment method and pretreatment system | |
| CN104829053B (en) | Village and town domestic sewage processing system and technology | |
| CN220056570U (en) | Ultrafiltration membrane integrated purification treatment equipment | |
| CN212246683U (en) | Industrial organic wastewater sectional treatment device | |
| CN211644773U (en) | High-efficient nitrification/denitrification denitrogenation filtering pond | |
| CN212491822U (en) | Bent pipe filtering device for ammonia-containing sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20190410 |