CN205023936U - Aeration biological activity charcoal filtering pond - Google Patents
Aeration biological activity charcoal filtering pond Download PDFInfo
- Publication number
- CN205023936U CN205023936U CN201520768421.9U CN201520768421U CN205023936U CN 205023936 U CN205023936 U CN 205023936U CN 201520768421 U CN201520768421 U CN 201520768421U CN 205023936 U CN205023936 U CN 205023936U
- Authority
- CN
- China
- Prior art keywords
- backwash
- water
- layer
- pipe
- filter tank
- 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
Classifications
-
- 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
- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Aeration biological activity charcoal filtering pond, include by the filtering pond body, steady water layer, the active carbon filtering layer, the supporting layer, the perforation filter plate, the water distribution layer, backwash air water collecting main, the backwash hole one, backwash air water branch pipe, the backwash hole two, aeration main pipe in the pond, aeration main pipe in the pond, the long handle filter, the inspection manhole, go out water rectification grid, backwash water drainage tank, the filtering pond goes out the basin, the blast pipe, aeration main pipe outside the pond, the backwash soil stack, the backwash drainage is violently managed, the backwash drain header, the filtrate to waste pipe, the backwash delivery pipe, the filtering pond inlet tube, the automatic control valve, the backwash intake pipe, the aeration fan, backwash waste water collecting tank, backwash water supply water pump, backwash air feed fan, the intercommunication platform, the filtering pond goes out basin communicating pipe, strain the cap, the perforation sleeve pipe, strain the pole, the inlet port, and admit air the seam and constitute. The utility model discloses a lower volumetric loading operation is select as the filter material to coal quality column active carbon, and slight drag distribution system is adopted in the backwash, and it is effectual to be applicable to preliminary treatment slurrying papermaking tail water.
Description
Technical field
The utility model belongs to wastewater processing technology in environmental engineering, particularly a kind of aerated biological activated carbon filter tank of pre-treatment pulping and paper-making tail water.
Background technology
The fresh water that pulp and paper industry need of production is a large amount of, and the sewage that can produce a large amount of high density, difficult degradation.
In China, pulp and paper industry sewage is after a series of materialization, biochemistry and advanced treatment, and reach " pulp and paper industry pollution discharge standard " (GB3554-2008), it can be referred to as pulping and paper-making tail water.Pulping and paper-making tail water is by after pre-treatment and the process of film integrated system, and its water quality can meet " urban sewage reutilization water quality standard for industries " (GBT19923-2005), can be used as Treated sewage reusing and adds to industrial each and save with water ring.This significantly reduces the pressure that pulping and paper-making Tail water reuse causes environment, meets the thought of social sustainable development, water resources recycle, achieves Treated sewage reusing and the zero release of real meaning.
Aerated biological activated carbon filter tank (Biologicalactivatedcarbonfilter, BACF) improves on the basis of BAF (Biologicalactivatedfilter, BAF).The filtering layer filler in aerated biological activated carbon filter tank is activated carbon granule, and it has huge specific surface area and flourishing pore texture, has strong characterization of adsorption to Organic substance in water and dissolved oxygen; Its surface, very easily in the breeding of microorganism, is conducive to organic degraded.Utilize microbiological deterioration to be adsorbed onto organic pollutant on gac, thus reduce the absorption load of gac; Meanwhile, the pollutent can not removed when can remove gac and microorganism independent role.
In pulping and paper-making tail water, rest COD main manifestations is COD and the COD colourity that residual lignin etc. is formed, and this part COD is microorganism hardly degraded organic substance, the SS containing higher concentration and colloidal impurity etc.Adopt aerated biological activated carbon filtration process, the physics utilizing gac powerful, chemical adsorption capacity and the regenerative power of microorganism and the filtering function of gac, COD, SS and colloidal impurity can be removed further, reduce the feature on subsequent technique impact, therefore it can be selected as an integral part of pretreatment technology.
At present, aerated biological activated carbon filter tank is widely used in the process of sewage containing micro-pollution such as ammonia nitrogen and organic pollutant and tap water, and its application example being used in the pre-treatment workshop section of pulping and paper-making tail water Treated sewage reusing and zero release is little.
Utility model content
The utility model aims to provide a kind of aerated biological activated carbon filter tank overcoming above-mentioned prior art weak point, with the tail water of pre-treatment pulping and paper-making.
The technical scheme of utility model:
Aerated biological activated carbon filter tank, is arranged to symmetrical two, couples together by being communicated with platform.Each filter tank comprises filter tank body, steady water layer, gac filtering layer, supporting layer, water distribution layer, filter tank water inlet pipe and backwash air water main, technique aerating system, back-purge system, outlet system, Self controlling valve; Technique aerating system comprises Aeration fan and supporting pipe valve, and back-purge system comprises backwash water supply pump, backwash air feed blower fan, backwash sewage collecting tank and supporting pipe valve, and outlet system comprises water outlet flow straightening grid and filter tank effluent trough.Described gac filtering layer filling carbon leaching material.Gac filtering layer is positioned on supporting layer, is steady water layer above activated carbon filter.The top of side, filter tank is provided with water outlet flow straightening grid and staggered arrangement forms flowing hole, and screen is fixed in stainless steel square tube by zinc coated bolt.
There are filter tank water inlet pipe and backwash air water main in described filter tank water distribution layer, backwash air water main offer backwash hole one and connect backwash air water arm, arm also offers backwash hole two.Be positioned on the perforation filter plate above water distribution layer and strainer head is installed.Strainer head is made up of top filter cap and filter bar.
Be furnished with the gravel of four kinds of size distribution in described supporting layer, the gravel being 32 ~ 16mm, 16 ~ 8mm, 8 ~ 4mm and 4 ~ 2mm by size distribution respectively is from top to bottom formed, and the gravel loading height of often kind of size distribution is 0.10 ~ 0.15m.Aeration supervisor Cheng Huan is arranged in supporting layer, is connected with aeration branch pipe in several pond, aeration branch pipe is connected with air diffuser with sing-hole membranes in pipe.Outside pond, aeration supervisor highest point should exceed face, pond 1.5 ~ 2.0m.The pressurized air provided by Aeration fan is aeration supervisor, aeration branch pipe in aeration supervisor and pond in pond outside pond, finally enters into filter tank by air diffuser with sing-hole membranes, carrys out the oxygen needed for microbial film degradation of organic substances process of supplementary gac filtering layer attachment.
At water distribution layer, inspection manhole is set.
Aerated biological activated carbon filter tank adopts constant water level filtering mode, and normal rate filtering is 2 ~ 4m/h, and forcing filter rate is 5 ~ 6m/h.Treat that drainage passes through the water inlet pipe be positioned at below filter plate, from lower to upper by water distribution layer, strainer head, then enter supporting layer, filtering layer, steady water layer and water outlet flow straightening grid successively.The height of water distribution layer is about 1.2 ~ 1.5m, and the water inlet pipe in filter tank, backwash gas, water pipe and initial filter water pipe are all arranged on wherein.Filtering layer adopts particle diameter to be 3mm, iodine number>=800mg/g and specific surface area>=800m
2the ature of coal columnar activated carbon of/g, its loading height is 2 ~ 4m.Steady water layer is determined according to rate of expansion when media performance and back flushing, is highly 1.2 ~ 1.5m, and top superelevation is 0.4 ~ 0.6m.
The volumetric loading in described aerated biological activated carbon filter tank is 0.2 ~ 0.3kgBOD
5/ m
3d, by gas-water ratio, (3 ~ 4) ︰ 1 select aeration rate.Aeration supervisor Cheng Huan is arranged in supporting layer, and be connected with a lot of aeration branch pipe in pipe, aeration branch pipe connects air diffuser with sing-hole membranes, each air flow is 0.2 ~ 0.45m
3/ h.It is little that air diffuser with sing-hole membranes has bubble diameter that is easy for installation, supply, and bubble distribution scope is large, not easily by features such as foreign material blockings.The air provided by Aeration fan, through supply air line, enters into aerated biological activated carbon filter tank by air diffuser with sing-hole membranes.
After for some time is run in filter tank, because head loss increases, back flushing need be carried out to it, to discharge the suspended substance that retains and to upgrade microbial film, the processing power in filter tank is restored.Described aerated biological activated carbon filter tank adopts gas-water associating back flushing, and backwashing system is opened by setting-up time, Liquid level.First reduce liquid level in pond before backwash, then combine by air purge, gas-water successively wash, clear water rinsing carries out.During gas-water backwashing, the space internal upper part below filter plate is gas, forms the air cushion layer of about 150mm; For ensureing the thickness of air cushion layer, backwash tonifying Qi arm should reach the bottom of distance perforation filter plate 50mm, and backwash air is entered by the perforate of backwash tonifying Qi arm side.Air in air cushion layer first enters filter by the air inlet port on strainer head straight tube, and after tolerance strengthens, partial air is stitched by the air inlet of straight tube bottom and enters filter; Backwash water then enters filter by filter handle lower end and air inlet seam, and G&W evenly sprays through filter cap gap, filtering layer is evenly recoiled after fully mixing in filter.The air purge time is preferably 3 ~ 5min; Air water associating flush time is preferably 4 ~ 6min; The independent water rinse time is preferably 8 ~ 10min; Air scour intensity is preferably 12 ~ 16L/m
2s; Water backwash rate is preferably 4 ~ 6L/m
2s.
The utility model aerated biological activated carbon filter tank adopts ature of coal columnar activated carbon as filtrate, and choose lower volumetric loading and run, backwash adopts small resistance water wiring system.These technical characteristics are applicable to pre-treatment pulping and paper-making tail water and have good effect.In actual application, normal preposition coagulation-settlement process and O3 contacted oxidation technique etc., to reduce turbidity, concentration of suspension and organic concentration that aerated biological activated carbon filter tank intakes; Rearmounted sand filtration technique, after retaining filter in water contained by come off microbial film and suspended substance etc., to guarantee the water quality requirement that subsequent technique is intake.
Accompanying drawing explanation
Fig. 1 is aerated biological activated carbon filter tank structure schematic diagram.
Fig. 2 is strainer head and perforation filter plate schematic diagram.
In figure: the body of 1-filter tank, the steady water layer of 2-, 3-gac filtering layer, 4-supporting layer, 5-bores a hole filter plate, 6-water distribution layer, 7-backwash air water main, 8-backwash hole one, 9-backwash air water arm, 10-backwash hole two, aeration supervisor in 11-pond, aeration branch pipe in 12-pond, 3-strainer head, 14-inspection manhole, 15-flow straightening grid, 16-backwash drainage tray, 17-filter tank effluent trough, 18-vapor pipe, aeration supervisor outside 19-pond, 20-backwash soil stack, 21-backwash dewatering horizontal tube, 22-backwash drain header, 23-filtrate to waste pipe, 24-backwash water-supply pipe, 25-filter tank water inlet pipe, 26-Self controlling valve, 27-backwash inlet pipe, 28-Aeration fan, 29-backwash sewage collecting tank, 30-backwash water supply pump, 31-backwash air feed blower fan, 32-is communicated with platform, 33-filter tank effluent trough communicating pipe, 34-filter cap, 35-bores a hole sleeve pipe, 36-filters bar, 37-air inlet port, 38-air inlet is stitched.
Embodiment
Below in conjunction with the embodiment of accompanying drawing, embodiment of the present utility model is further described.
As shown in Figure 1, aerated biological activated carbon filter tank, is arranged to symmetrical two, coupling together, arranging inspection manhole 14 at water distribution layer 6 by being communicated with platform 32.Aerated biological activated carbon filter tank main body is made up of filter tank body 1, steady water layer 2, gac filtering layer 3, supporting layer 4, water distribution layer 6, filter tank water inlet pipe 25 and backwash air water main 7, technique aerating system (Aeration fan 28 and supporting pipe valve), back-purge system (backwash water supply pump 30, backwash air feed blower fan 31, backwash sewage collecting tank 29 and supporting pipe valve), outlet system (water outlet flow straightening grid 15 and filter tank effluent trough 17), robot control system(RCS) (Self controlling valve 26) etc.
There are filter tank water inlet pipe 36 and backwash air water main 7 in described filter tank water distribution layer 6, backwash air water main 7 offer backwash hole 1 and connect backwash air water arm 9, arm also offers backwash hole 2 10.Be positioned on the perforation filter plate 5 above water distribution layer 6 and install strainer head 13, strainer head 13 is made up of top filter cap 34 and filter bar 36.
Be furnished with the gravel of four kinds of size distribution in described supporting layer 4, in pond, aeration supervisor 11 one-tenth rings are arranged in supporting layer 4, be connected with aeration branch pipe 12 in several pond, aeration branch pipe is connected with air diffuser with sing-hole membranes in pipe.The pressurized air provided by Aeration fan 28 is aeration supervisor 19, aeration branch pipe 12 in aeration supervisor 11 and pond in pond outside pond, finally enter into filter tank by air diffuser with sing-hole membranes, carry out the oxygen needed for microbial film degradation of organic substances process of supplementary gac filtering layer attachment.Outside pond, aeration is responsible for 19 highest points and should be exceeded face, pond 1.5 ~ 2.0m.
Described gac filtering layer 3 is positioned on supporting layer 4, the carbon leaching material of filling certain altitude.It is steady water layer 2 above activated carbon filter.The top of side, filter tank is provided with water outlet flow straightening grid 15, and staggered arrangement forms flowing hole and prevents filtrate flowing water simultaneously, and screen is fixed in stainless steel square tube by zinc coated bolt.
Aerated biological activated carbon filter tank body 1 generally adopts skeleton construction, arranges inspection manhole 14 at water distribution layer 6.As a kind of filter tank of flow lifting type, treat that drainage passes through the filter tank water inlet pipe 25 below perforation filter plate 5, first enter into water distribution layer 6, then enter the strainer head 13 be arranged on perforation filter plate 5 and filter bar 36, evenly spray from filter cap 34 gap again; Successively through supporting layer 4, gac filtering layer 3 and steady water layer 2; Filter tank effluent trough 17 is entered finally by water outlet flow straightening grid 15.After filter, water gravity flow enters next processing unit, and after the filter in two filter tanks, water was connected by filter tank effluent trough communicating pipe 33.
Workflow:
Described aerated biological activated carbon filter tank adopts gas, water associating back flushing, and backwashing system is opened by setting-up time, Liquid level.First open Self controlling valve 26 on filtrate to waste pipe 23 before backwash, draining is to reduce liquid level in pond; Then combine by air purge, gas-water successively wash, clear water rinsing carries out.Backwash air is provided by backwash air feed blower fan 31, should exceed face, pond 1.8 ~ 2.2m through backwash inlet pipe 27(vertex) enter backwash air water main 7 in pond, then enter air cushion layer through the top backwash hole 2 10 of backwash air water arm 9.Air is first entered by the air inlet port 37 on strainer head 13 straight tube, and after tolerance strengthens, partial air stitches 38 by the air inlet of straight tube bottom and enters strainer head 13.
Backwash water is provided by backwash water supply pump 30, enters backwash air water main 7 through backwash water-supply pipe 24, enters into water distribution layer 6, then enter strainer head 13 by the backwash hole 1 on main.G&W evenly sprays through filter cap 34 gap, gac filtering layer 3 is evenly recoiled after fully mixing in strainer head 13.Backwash draining is from the overflow of top, filter tank to backwash drainage tray 16, and now, the Self controlling valve 26 on backwash soil stack 20 is opened, and backwash water finally enters backwash sewage collecting tank 29 through backwash dewatering horizontal tube 21 and backwash drain header 22.It should be noted that, backwash air can enter in backwash water pipeline, is the effect avoiding gas collection in backwash dewatering horizontal tube 21 to have influence on draining, can connects a vapor pipe 18 thereon, end reaches the position of 0.6m on Chi Ding, discharges the air in backwash water shoot in time.
It should be understood that, it is not restriction to described technical scheme that foregoing comprises accompanying drawing, in fact, under identical or approximate principle, to the improvement that described technical scheme is carried out, comprise the equivalent replacement of the shape of each several part, size, material used and identical function element, all within the technical scheme required by the utility model.
Claims (4)
1. aerated biological activated carbon filter tank, it is characterized in that: be arranged to symmetrical two, couple together by being communicated with platform, every filter tank comprises filter tank body, steady water layer, gac filtering layer, supporting layer, water distribution layer, filter tank water inlet pipe and backwash air water main, technique aerating system, back-purge system, outlet system, Self controlling valve, technique aerating system comprises Aeration fan and supporting pipe valve, back-purge system comprises backwash water supply pump, backwash air feed blower fan, backwash sewage collecting tank and supporting pipe valve, outlet system comprises water outlet flow straightening grid and filter tank effluent trough, described gac filtering layer filling carbon leaching material, gac filtering layer is positioned on supporting layer, be steady water layer above activated carbon filter, the top of side, filter tank is provided with water outlet flow straightening grid and staggered arrangement forms flowing hole, and screen is fixed in stainless steel square tube by zinc coated bolt.
2. aerated biological activated carbon filter tank according to claim 1, it is characterized in that: in described water distribution layer, have filter tank water inlet pipe and backwash air water main, backwash air water main offers backwash hole one and connect backwash air water arm, arm also offers backwash hole two; Be positioned on the perforation filter plate above water distribution layer and install strainer head, strainer head is made up of top filter cap and filter bar.
3. aerated biological activated carbon filter tank according to claim 1, it is characterized in that: the gravel being furnished with four kinds of size distribution in described supporting layer, the gravel being 32 ~ 16mm, 16 ~ 8mm, 8 ~ 4mm and 4 ~ 2mm by size distribution respectively is from top to bottom formed, and the gravel loading height of often kind of size distribution is 0.10 ~ 0.15m; Aeration supervisor Cheng Huan is arranged in supporting layer, is connected with aeration branch pipe in several pond, aeration branch pipe is connected with air diffuser with sing-hole membranes in pipe; Outside pond, aeration supervisor highest point should exceed face, pond 1.5 ~ 2.0m.
4. aerated biological activated carbon filter tank according to claim 1, is characterized in that: arrange inspection manhole at water distribution layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768421.9U CN205023936U (en) | 2015-10-07 | 2015-10-07 | Aeration biological activity charcoal filtering pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768421.9U CN205023936U (en) | 2015-10-07 | 2015-10-07 | Aeration biological activity charcoal filtering pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205023936U true CN205023936U (en) | 2016-02-10 |
Family
ID=55256486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520768421.9U Active CN205023936U (en) | 2015-10-07 | 2015-10-07 | Aeration biological activity charcoal filtering pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205023936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240364A (en) * | 2019-07-18 | 2019-09-17 | 中船第九设计研究院工程有限公司 | A kind of advanced treatment apparatus of marine domestic sewage |
-
2015
- 2015-10-07 CN CN201520768421.9U patent/CN205023936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240364A (en) * | 2019-07-18 | 2019-09-17 | 中船第九设计研究院工程有限公司 | A kind of advanced treatment apparatus of marine domestic sewage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106316004B (en) | A kind of method of the direct deep purifying of high concentrated organic wastewater | |
| CN105060460A (en) | Layered biological filter for removing nitrogen and phosphorus | |
| CN207608393U (en) | A kind of upstream integral type nitration denitrification biological aerated filter | |
| CN207877471U (en) | A kind of self-service carwash and wastewater from car washer processing and reclaiming system | |
| CN105110454A (en) | Aeration biological activated carbon filter | |
| CN204151131U (en) | A kind of Anti-plugging biological aerated filter | |
| CN105130031B (en) | A kind of low-power membrane ozone air-float integrated apparatus | |
| CN103508519B (en) | Free-replacement iron-carbon micro-electrolysis water treatment device | |
| CN205023936U (en) | Aeration biological activity charcoal filtering pond | |
| CN205275413U (en) | A effluent treatment plant for in wall paper production | |
| CN208022859U (en) | A kind of arable land change system for sanitary sewage | |
| CN104984572A (en) | Efficient active flowing bed purifier | |
| CN216986709U (en) | Unpowered sponge filler advanced treatment filter equipment | |
| WO2020000214A1 (en) | Wastewater recycling treatment apparatus | |
| CN205442795U (en) | A high efficiency aeration biological filter device for angering explosive waste water treatment | |
| CN202465450U (en) | Treatment device of electroplating pretreatment waste water | |
| CN2818472Y (en) | In situ composite reaction treater for domestic and fecal sewage | |
| CN203639204U (en) | Change-free iron-carbon micro-electrolytic water treatment device | |
| CN202988884U (en) | Sewage treatment depth-type filtration device | |
| CN212246397U (en) | Novel denitrification filter device based on organic polymer carrier | |
| CN204174041U (en) | A kind of biochemical waste water treatment unit | |
| CN105621612A (en) | High-efficiency biological aerated filter (BAF) device used for explosive wastewater treatment | |
| CN206051656U (en) | A kind of intelligent river water cleaning repair and maintenance and emergent controlling the water circulation ship | |
| CN204767658U (en) | High -efficient active thermopnore clarifier | |
| CN110963567A (en) | Lifting rotational flow water distribution system of UASB anaerobic reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |