CN1318327C - Advanced wastewater treatment using floating filter media - Google Patents
Advanced wastewater treatment using floating filter media Download PDFInfo
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- CN1318327C CN1318327C CNB2004100062610A CN200410006261A CN1318327C CN 1318327 C CN1318327 C CN 1318327C CN B2004100062610 A CNB2004100062610 A CN B2004100062610A CN 200410006261 A CN200410006261 A CN 200410006261A CN 1318327 C CN1318327 C CN 1318327C
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- reactive tank
- waste water
- intermittent aeration
- filter material
- aeration
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 15
- 238000005273 aeration Methods 0.000 claims abstract description 81
- 239000002351 wastewater Substances 0.000 claims abstract description 65
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 46
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000011001 backwashing Methods 0.000 claims abstract description 32
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 32
- 239000011574 phosphorus Substances 0.000 claims abstract description 32
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 23
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 5
- 230000001954 sterilising effect Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 230000009182 swimming Effects 0.000 claims description 25
- 239000007787 solid Substances 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 244000005700 microbiome Species 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 6
- 239000002562 thickening agent Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 4
- 229910052588 hydroxylapatite Inorganic materials 0.000 abstract description 3
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 abstract description 2
- 239000010802 sludge Substances 0.000 abstract 2
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 230000008719 thickening Effects 0.000 abstract 1
- 241000894006 Bacteria Species 0.000 description 5
- 230000031018 biological processes and functions Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- PRORZGWHZXZQMV-UHFFFAOYSA-N azane;nitric acid Chemical compound N.O[N+]([O-])=O PRORZGWHZXZQMV-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004941 influx Effects 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 241000605159 Nitrobacter Species 0.000 description 1
- 241000108664 Nitrobacteria Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
- E04H1/1211—Waiting shelters for bus stops
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/36—Frames uniquely adapted for windows
- E06B1/38—Frames uniquely adapted for windows for shop, show, or like large windows
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
An advanced wastewater treatment using floating filter media is provided, which can treat organics, nitrogen and phosphorus in wastewater with low C/N ratio efficiently. The system comprises an anaerobic tank(10) for separating coarse grits from raw wastewater; a flow equalization tank(20); a first, a second and a third upflow intermittent aeration tanks(30,40,50) filled with floating filter media, which are capable of changing flow passage; a sludge thickening tank(60) in which biofilm floc sloughed off from the floating filter media by back washing is settled, and settled sludge is drained to outside; a sterilization tank(80); a high frequency vibrator which induces biofilm sloughing from the floating filter media before backwashing; and a fluidized bed reactor(70) in which Ca-coated filter media react with phosphate in wastewater to form hydroxyapatite precipitate (Ca5(PO4)3OH).
Description
Technical field
The present invention is the relevant treatment process of filter material to sewage, waste water (hereinafter to be referred as waste water) of swimming of utilizing, the relevant C/N that effectively handles is rapidly especially proposed than organism in the low waste water and nutrient salts (nitrogen and phosphorus), waste water is purified, reduce the floor space of waste water disposal facility, make transport management convenient more.
Background technology
Recently, along with the pollution grows worse of the nutrient salts in municipal effluent, village water drain and the waste water, the organism that exists in the waste water and the processing of nutrient salts are necessary very much river, coastal and (lake water and reservoir) and other places, lake.
Remove nitrogen and phosphorus in the waste water, can be divided into physics, chemical process and biological method.Physics, chemical process are to utilize treatment facility and pharmaceutical chemicals, need a lot of economic costs.
Therefore utilizing comparatively economic microorganism biological to learn treatment process is researched and developed energetically.But this biological processes method also has a lot of difficulties on the problems such as response capacity that solve the change of residence time, site area, nitrogen and phosphorus processing efficiency and offered load when handling C/N than low domestic waste water.
For solving this type of problem, existing nitrogen phosphorus treatment project (Bardenpho, A
2/ O, UCT and VIP etc.) method and utilize the engineering of filter material (Media) to be developed.
The nitrogen phosphorus treatment project of utilizing filter material (Media) is to utilize the high concentration microorganism that is attached on the filter material (Media), and the residence time shortens when making wastewater treatment, and erection space is dwindled, and reduces sedimentary generation.Particularly utilize the treatment project of the filter material of swimming, because of the unit price of filter material cheap, compared with other flow model filter materials (Media) and fixed filter material (Media) very big advantage is arranged on price, also can bring into play biological decomposition and physical filtering effect simultaneously, thereby reach clean water matter.
Run and utilize the treatment facility of the filter material of swimming to the most important thing is the back washing mode.Contrary Xian now utilizes air, water, and angle of rake back washing.The back washing mode of utilizing air is injected high pressure by blower (Blower) and pneumatic plant, needs very high expenditure on power, and during back washing, the back washing mode that is caused by water has the defective of undue water consumption.
This back washing mode of utilizing air or water is the expansion by filter material, guarantees the broadness of lower space.Also have general and one in the water of the back washing mode that causes by pneumatic plant to be utilized the expenditure on power that needs are very high.
General using is swum the treatment facility of filter material in order to remove organism and suspended solid.Only account for the 20-30% that removes nitrogen, phosphorus effect by the assimilation of microorganism.The swim facility of processing organism, nitrogen and phosphorus of filter material of utilization also is in the less-than-ideal stage.
Summary of the invention
The objective of the invention is to utilize the waste water disposal facility of the filter material of swimming, develop the method that to handle organism, nitrogen and phosphorus, simultaneously, improve the back washing mode of the filter material of swimming, improve its economy and efficiency by operation.
Concrete grammar is that the nutritive salt for the low waste water of processing C/N ratio starts three groups and intermittently reflects groove, forms aeration and non-aeration respectively at each reactive tank, thereby utilizes the microbiological oxidation organism; Utilize nitrification and denitration acidifying to remove nitrogen; That utilizes phosphorus emits and draws removing phosphorus.
The first intermittent aeration reactive tank 30 and the second intermittent aeration reactive tank 40 because during non-aeration, have waste water to flow under oxygen free condition, can utilize the organism that exists in the waste water on nitrogen phosphorus is handled to greatest extent.
The three group reaction grooves that are filled with the filter material of swimming all adopt waste water from the bottom up to flow into mode, and the back washing mode is to utilize high frequency vibrator (vibrator) in the filter material and the processed water on the filter material layer periodically to form.
At this moment, electromagnetic shaker mainly is that the microbial film attached to surface of filter medium is come off, and simultaneously, the processed water of filter material layer upper end flows from top to bottom because of hydraulic pressure, and surface of filter medium is cleaned.Filter material is carried out the microorganism high density adhere to processing, when handling organism, nitrogen and phosphorus, can shorten the hydromechanics residence time (HRT), can reduce the floor space of treatment facility again.
To achieve the object of the present invention, also, form: the rotten groove of the anaerobic air type of solid matter and perpetuity material in the separation waste water by following components as concrete means; Adjust groove for preventing to flow into the flow of waste water and flow that the concentration excess load is provided with; Be filled with the filter material of swimming, form aeration and non-aeration from a reactive tank to another reactive tank, and the influx of adjustment waste water, thereby utilize the organism in the waste water to greatest extent, handle the first intermittent aeration reactive tank, the second intermittent aeration reactive tank, the 3rd intermittent aeration reactive tank of organism, nitrogen and phosphorus; The suspended solid of discharging in the intermittent aeration reactive tank is carried out the throw out thickener of concentration; The tank of releasing that above-mentioned reactive tank treated water is carried out disinfection, releases.
As mentioned above, the present invention has following characteristics: for C/N is handled than low sewage, organism, nitrogen and phosphorus in the waste water, the utilization filter material of swimming is kept the high density of microorganism, shortened the time of wastewater treatment greatly, and, under the anaerobic and the state of being sick of, utilize the organism in the waste water to greatest extent by changing waste water inflow circuit.When particularly moving the intermittent aeration reactive tank,, can keep high concentration microorganism, so not influenced by the too big of offered load because of regulating aeration and non-aeration time and flowing into circuit.Utilize high frequency vibrator again, intensive is shaken (12,000rpm～15 000rpm) are passed on the filter material, make attached to the solid matter above the filter material and a part of microorganism to come off, and utilize the hydraulic pressure of the processed water on reactive tank top again, form back washing.Compared with back washing in the past, its efficient has very big raising.
Engineering of the present invention is that load change is strong to flowing into, C/N handles than low waste water.Not only improve processing efficiency, also can shorten 4～6 hours hydromechanics residence times, reduced floor space again, improved economical efficiency greatly.
Description of drawings
Fig. 1 is the waste water treatment engineering figure of first embodiment of the invention;
Fig. 2 is the waste water treatment engineering figure of second embodiment of the invention;
Fig. 3 a, 3b, 3c and 3d are in the first embodiment of the invention, waste water mobile schedule drawing in biological reaction tank during wastewater treatment;
Fig. 4 is among first embodiment, the details drawing of biological reaction tank during wastewater treatment.
[figure number explanation]
10, the rotten groove 20 of anaerobic air type, flow are adjusted groove
30, the first intermittent aeration reactive tank 31, inflow pipe
32, air injection 33, the filter material of swimming
34, strainer 35, high frequency vibrator
36, back washing groove 37, water shoot
38, water discharge valve 39, outlet pipe
40, the second intermittent aeration reactive tank 50, the 3rd intermittent aeration reactive tank
60, throw out thickener 70, flow model reactive tank
80, the tank of releasing
Specific implementation
The present invention is that the technology formation that achieves the above object comprises: the inflow of the back washing water of three groups of intermittent aeration reactive tanks of waste water inflow and rear end makes big solid matter of particle and isolating stage of perpetuity material; For preventing village waste water and the moving reactive tank excess load of bringing of sewage inflow quantitative change on a small scale, enter the stage that flow is adjusted; Fill filter material, protection is used for the electromagnetic shaker of back washing and the processing tank of filter material layer upper end, adjusts the influx of waste water, utilizes intermittent aeration and the non-aeration condition of regulating, the stage of handling nitrogen phosphorus; By back washing, make attached to the suspended solid on the filter material to come off, concentrate at the back washing water that it is contained residue precipitation and foreign material, separate the stage of solid, liquid body; The water after the above-mentioned processing, sterilization is released the stage.To be ready to waste water height treatment unit simultaneously.
Below, as shown in drawings, inventive embodiment is done following detailed description.
Fig. 1 is the thumbnail of waste water treatment engineering in the expression first embodiment of the present invention.As shown in Figure 1, the present invention is for reaching regular purification of waste water engineering specification, and the equipment of use is adjusted groove 20, the first intermittent aeration reactive tank 30, the second intermittent aeration reactive tank 40, the 3rd intermittent aeration reactive tank 50, throw out thickener 60 and the tank of releasing and formed by the rotten groove 10 of anaerobic air type, flow.First intermittently, second intermittently, and the 3rd intermittent aeration reactive tank as the biomembrane reaction groove that is filled with the filter material 33 of swimming, belong to the biology treatment project.
When waste water flowed into, the solid matter that the grains of sand wherein or particle are big can bring the fault of water pump, the negative impacts such as obstruction of pipeline, so be necessary its removing.Just be provided with thereupon those solid matters are separated with high-quality water, and remove the rotten groove 10 of anaerobic air type of solid matter.
It is that the sewage or waste water that is used in the small-scale village is handled that flow is adjusted groove 20.Because of altering a great deal of fluctuations in discharge and inflow water concentration, utilize flow to adjust the change minimum that groove makes offered load.
Intermittent aeration reactive tank the 30,40, the 50th alternately forms aeration and non-aeration in a reactive tank, and is filled with the filter material 33 of swimming of high density, can make the tack biomembrane reaction groove of the microbial survival of high density.Waste water is to flow with from the bottom up direction, utilizes Decomposition of microorganism and filteration to carry out wastewater treatment.Handle nitrogen in this way, when aeration, cause nitric acid reaction, cause that by the unicellular bacterium Nitrosomonsa of nitrosification ammoniacal nitrogen is converted into nitrous nitrogen, cause that by nitrobacteria Nitrobacter nitrous nitrogen transforms to nitrate ammonia by the nitrification bacterium.During non-aeration,, cause that by denitrification reaction nitrate ammonia is converted into nitrogen, is eliminated because form oxygen free condition.
During denitrogenation,, when the first intermittent aeration reactive tank and second reactive tank non-aeration, allow waste water flow into, utilize the organism that flows in the waste water to greatest extent by changing the road warp that flows.
Handle phosphorus (P) in this way, when aeration, absorb phosphorus by removing phosphorus bacteria; When non-aeration, nitrate ammonia can form lonely state as being consumed, thereby eliminates phosphorus.Drawn as phosphorus, the throw out that breaks away from by back washing is shifted into the throw out thickener 60 of rear end, eliminates phosphorus by throw out.
Flow into the water of the 40 and the 3rd intermittent aeration reactive tank 50 back washings at 30, second intermittence at first intermittence in the throw out thickener 60, passing through the isolating concentration process of solid, liquid body, spissated throw out and high-quality water are sent into the rotten groove 10 of anaerobic air type, and spissated throw out will regularly be removed.
The tank 80 of releasing is devices that the waste water of handling by the reactive tank of front end is carried out disinfection, releases, and generally uses chlorine disinfectant.
Fig. 2 is the waste water treatment engineering figure of second embodiment of the invention.As shown in Figure 2, be on Fig. 1 basis, to append the flow model reactive tank.In the first embodiment discontinuous aerated reaction groove 30,40,50, because it is too short with the residence time (HRT) that the wastewater through organic matter that flows into is not enough, in the time of can not effectively removing phosphorus, operation is filled with the flow-type reactor of calcium coating filter material, makes calcium and phosphorus reaction form hydroxyl phosphorescent light stone hydroxyapatite precipitation.Utilize that same principle is sustainable to be eliminated phosphorus.
Fig. 3 a, 3b, 3c and 3d represent that nitrogen phosphorus is handled the interior waste water mobile schedule drawing of biological reaction tank in the first embodiment of the present invention.Fig. 3 a, 3b, 3c and 3d represent intermittently flowing of 30, the second the 40 and the 3rd intermittent aeration reactive tank 50 interior waste water at intermittence of nitrogen phosphorus processing first.
Shown in Fig. 3 a and 3b, waste water is the order inflow by first, second, third intermittent aeration reactive tank, and the first intermittent aeration reactive tank, moves at oxygen free condition in the period at non-aeration.At this moment, nitric acid reaction is arranged, form nitrate denitration acidifying, the bacterium of eliminating phosphorus is put into phosphorus external in fact.When denitrogenation and phosphorus discharge, consume organism.The second intermittent aeration reactive tank 40 and the first intermittent aeration reactive tank 30 carry out alternately.Nitrogen causes nitric acid reaction because of the nitrification bacterium, and draws external phosphorus.The 3rd intermittent aeration reactive tank 50 and the second intermittent aeration reactive tank 40 or move alternately, or under identical conditions, move.The 3rd reactive tank is to be used for handling not processed organism, nitrogen and phosphorus in the last stage reaction.
Shown in Fig. 3 c and 3d, waste water flows into the order of second intermittence, first intermittence and the 3rd intermittent aeration reactive tank.The second intermittent aeration reactive tank of Liu Ruing, moves under oxygen free condition in the period at non-aeration at first.The first intermittent aeration reactive tank and the second intermittent aeration reactive tank move alternately.The 3rd intermittent aeration reactive tank 50 and the first intermittent aeration reactive tank 30 or move alternately, or under identical conditions, move.The 3rd reactive tank is to be used for handling not processed organism, nitrogen and phosphorus in the last stage reaction.
Above-mentioned 3a, 3b and 3c, 3d are only variant on the reactive tank that flows at first, and the effect of other reactive tanks is identical.Generally dispose of sewage and waste water in C/N during than low nitrogen and phosphorus, because of lacking organism, utilize the organism that flows into existence in the waste water to greatest extent.
Reactive tank details drawing when Fig. 4 represents to handle waste water in the first embodiment of the present invention.As shown in the figure, first intermittence 30, second is the 40 and the 3rd intermittent aeration reactive tank 50 intermittently, is filled with the filter material 33 of swimming, and utilizes attached to the microorganism on the filter material, and the reactive tank of the physics filteration of biological action and filter material takes place simultaneously.The filter material kind belongs to foaming section bar material in the reactive tank, is fit to select for use materials such as polypropylene, polystyrene, polyethylene, can constitute rectangle, cylindricality and annular.Among Fig. 4, the mode that the inflow 31 of pollution substance is adopted is from the bottom up injected air at same inflow line.Top is because of there being filter screen, and the filter material 33 of swimming can't pass through, can only be by the water after handling.Reactive tank in the service chart 4, by filtering function and biological action, pollution substance forms precipitation.For preventing that filtration efficiency and biological action that this precipitation causes from reducing, the reactive tank among Fig. 4 periodically adopts back washing, improves the reactive tank operational efficiency.The back washing mode of this reactive tank mainly is to add high frequency vibrator between the filter material layer of reactive tank inside, and during back washing, the vibrations by electromagnetic shaker 35 add shockwave to the filter material of reactive tank inside.Because filter material is the solid type conductor, can between filter material and filter material, relay shockwave continuously.Thereupon, adhere to superincumbent material and also come off easily, the efficient in the time of also can improving these solid matters and under the water natural pressure, form back washing.When discharging, open water discharge valve 38 earlier, discharge by drainage tray by back washing separated solids matter.
As mentioned above, the present invention has following characteristics: for C/N is handled than low sewage, organism, nitrogen and phosphorus in the waste water, the utilization filter material of swimming is kept the high density of microorganism, shortened the time of wastewater treatment greatly, and, under the anaerobic and the state of being sick of, utilize the organism in the waste water to greatest extent by changing waste water inflow circuit.When particularly moving the intermittent aeration reactive tank,, can keep high concentration microorganism, so not influenced by the too big of offered load because of regulating aeration and non-aeration time and flowing into circuit.Utilize high frequency vibrator again, intensive is shaken (12,000rpm～15 000rpm) are passed on the filter material, make attached to the solid matter above the filter material and a part of microorganism to come off, and utilize the hydraulic pressure of the processed water on reactive tank top again, form back washing.Compared with back washing in the past, its efficient has very big raising.
Engineering of the present invention is that load change is strong to flowing into, C/N handles than low waste water.Not only improve processing efficiency, also can shorten 4～6 hours hydromechanics residence times, reduced floor space again, improved economical efficiency greatly.
Claims (6)
1, a kind of utilization dirt, waste water height treatment process of filter material of swimming is characterized in that:
Highly handle C/N than low sewage and waste water, it is that waste water is flowed into the rotten groove (10) of anaerobic air type, separates the grains of sand or the big solids of particle;
Flow is set adjusts groove (20), the flow change is minimized;
Above effusive water by the upflowing reactive tank of the filter material of swimming (33) is housed, form biologically and physical reaction, can adjust aeration and non-aeration time, that can handle nitrogen and phosphorus, can change wastewater flow first intermittently (30), second intermittence (40), the 3rd intermittent aeration reactive tank (50);
The water of discharging above flows into throw out thickener (60), and the solid matter that comes off by back washing carries out the solid, liquid separation, by throw out phosphorus is handled;
Water by above-mentioned processing is released after through tank (80) sterilization of releasing;
Need not to prepare precipitation ground, just can handle organism and suspended solid, when handling nitrogen phosphorus, also can shorten the hydromechanics residence time (HRT), can significantly reduce floor space again.
2, utilization as claimed in claim 1 dirt, the waste water height treatment process of filter material of swimming is characterized in that: the flow model reactive tank (70) that covers with calcium is set, improves the efficient of wastewater treatment.
3, utilization as claimed in claim 1 dirt, the waste water height treatment process of filter material of swimming, it is characterized in that: the filter material of will swimming is filled in first intermittence (30), second intermittence (40) and the 3rd intermittent aeration reactive tank (50), form aeration and non-aeration, and can adjust aeration and non-aeration time arbitrarily;
If waste water is flowed into by the first intermittent aeration reactive tank, then carry out wastewater treatment with the order of first intermittence (30), second intermittence (40), the 3rd intermittent aeration reactive tank (50); Under the oxygen free condition of the first intermittent aeration reactive tank, carry out nitrogen, when phosphorus breaks away from, utilize the organism in the waste water; The second intermittent aeration reactive tank be with the good gas type condition of the mutual operation of the first intermittent aeration reactive tank under, the 3rd intermittent aeration reactive tank be with the oxygen free condition of the mutual operation of the second intermittent aeration reactive tank and with the same good gas type condition of the second intermittent aeration reactive tank under;
If waste water is flowed into by the second intermittent aeration reactive tank, then carry out wastewater treatment with the order of second intermittence (40), first intermittence (30), the 3rd intermittent aeration reactive tank (50), the second intermittent aeration reactive tank (40) utilizes organism denitrogenation, the dephosphorization in the waste water under oxygen free condition; The first intermittent aeration reactive tank (30) be with the good gas type condition of the mutual operation of the second intermittent aeration reactive tank (40) under; The 3rd intermittent aeration reactive tank be with the oxygen free condition of the mutual operation of the first intermittent aeration reactive tank and with the same good gas type condition of the first intermittent aeration reactive tank under;
Change the route that flows into water, realize C/N is handled than the height of low waste water.
4, utilization as claimed in claim 1 dirt, the waste water height treatment process of filter material of swimming, it is characterized in that: first intermittently fills the filter material (33) of swimming in (30), second intermittence (40) and the 3rd intermittent aeration reactive tank (50), realizes the physical treatment of utilizing biomembranous biology processing and utilizing filteration simultaneously; Adopt waste water from flowing into down, treating water rushes to effusive flow pattern.
5, utilization as claimed in claim 1 dirt, the waste water height treatment process of filter material of swimming, it is characterized in that: during intermittent aeration reactive tank (30,40,50) operation, solid matter in the waste water and when causing that attached to the microorganism on the filter material of swimming (33) processing rate descends just is necessary back washing; (12, filter material 000rpm) is passed in 000rpm～15 to the sharp pounding of high frequency vibrator (35), makes attached to the solids on the filter material and some microorganisms to come off, and utilizes the hydraulic pressure of reactive tank top processed water again, forms back washing; Not only can improve the efficient of back washing greatly, also reduce the water yield of using in the back washing.
6, utilization as claimed in claim 1 dirt, the waste water height treatment process of filter material of swimming, it is characterized in that: the filter material of swimming (33) of filling in the intermittent aeration reactive tank (30,40,50) is to have rectangle, cylindricality, annular foaming section bar material, and select any one material in polypropylene, polystyrene and the polyethylene for use, the form of filter material has rectangle, cylindricality and annular.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030022119 | 2003-04-08 | ||
| KR10-2003-0022119A KR100438022B1 (en) | 2003-04-08 | 2003-04-08 | Method for waste water treatment using float media |
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| CN1569697A CN1569697A (en) | 2005-01-26 |
| CN1318327C true CN1318327C (en) | 2007-05-30 |
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| CNB2004100062610A Expired - Lifetime CN1318327C (en) | 2003-04-08 | 2004-03-19 | Advanced wastewater treatment using floating filter media |
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| KR (1) | KR100438022B1 (en) |
| CN (1) | CN1318327C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101067632B1 (en) * | 2008-12-03 | 2011-09-26 | 신강하이텍(주) | Economical interception apparatus for preventing diffusion of turbid water |
| KR101634292B1 (en) * | 2015-06-23 | 2016-06-30 | (주)화인테크워터 | Wastewater treatment system using carrier based on modified a2o |
| CN109368949A (en) * | 2018-12-25 | 2019-02-22 | 黑龙江土友生物科技有限公司 | A kind of wastewater pollutants remove device and its sweep-out method based on Internet of Things |
| CN112551802A (en) * | 2020-11-11 | 2021-03-26 | 安徽科技学院 | Energy-saving and environment-friendly sewage treatment device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203197A (en) * | 1997-06-23 | 1998-12-30 | 韩相培 | Waste water treatment method for removing nitrogen and phosphorus and plant thereof |
| CN1230524A (en) * | 1998-03-31 | 1999-10-06 | 韩相培 | Waste water treatment equipment and method with functions of deodorization antifoaming intermittent aeration and re-circulations |
| CN1309096A (en) * | 2000-02-15 | 2001-08-22 | 韩国科学技术研究院 | Method and device for treating high concentration waste water |
-
2003
- 2003-04-08 KR KR10-2003-0022119A patent/KR100438022B1/en active IP Right Grant
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203197A (en) * | 1997-06-23 | 1998-12-30 | 韩相培 | Waste water treatment method for removing nitrogen and phosphorus and plant thereof |
| CN1230524A (en) * | 1998-03-31 | 1999-10-06 | 韩相培 | Waste water treatment equipment and method with functions of deodorization antifoaming intermittent aeration and re-circulations |
| CN1309096A (en) * | 2000-02-15 | 2001-08-22 | 韩国科学技术研究院 | Method and device for treating high concentration waste water |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100438022B1 (en) | 2004-06-30 |
| CN1569697A (en) | 2005-01-26 |
| KR20030036463A (en) | 2003-05-09 |
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