CN104445821B - The process combination system and method for close-coupled processing micro-polluted raw - Google Patents
The process combination system and method for close-coupled processing micro-polluted raw Download PDFInfo
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- CN104445821B CN104445821B CN201410721667.0A CN201410721667A CN104445821B CN 104445821 B CN104445821 B CN 104445821B CN 201410721667 A CN201410721667 A CN 201410721667A CN 104445821 B CN104445821 B CN 104445821B
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- 238000000034 method Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 232
- 238000001914 filtration Methods 0.000 claims abstract description 41
- 239000000126 substance Substances 0.000 claims abstract description 40
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 34
- 238000009287 sand filtration Methods 0.000 claims abstract description 31
- 241000195493 Cryptophyta Species 0.000 claims abstract description 26
- 230000003647 oxidation Effects 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000011572 manganese Substances 0.000 claims abstract description 18
- PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 14
- CBENFWSGALASAD-UHFFFAOYSA-N ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005429 turbidity Methods 0.000 claims abstract description 12
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004576 sand Substances 0.000 claims abstract description 10
- 239000003864 humus Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 6
- 241000700605 Viruses Species 0.000 claims abstract description 5
- 230000000844 anti-bacterial Effects 0.000 claims abstract description 5
- 238000005273 aeration Methods 0.000 claims description 48
- 239000000706 filtrate Substances 0.000 claims description 28
- 239000000919 ceramic Substances 0.000 claims description 21
- 238000005352 clarification Methods 0.000 claims description 18
- 238000005188 flotation Methods 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 230000035943 smell Effects 0.000 claims description 11
- 238000005276 aerator Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 230000015271 coagulation Effects 0.000 claims description 7
- 238000005345 coagulation Methods 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 6
- 238000010926 purge Methods 0.000 claims description 6
- 230000000903 blocking Effects 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000006385 ozonation reaction Methods 0.000 claims description 4
- 150000003384 small molecules Chemical class 0.000 claims description 3
- 230000001340 slower Effects 0.000 claims description 2
- 235000020188 drinking water Nutrition 0.000 abstract description 6
- 239000003651 drinking water Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 5
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 3
- OSVXSBDYLRYLIG-UHFFFAOYSA-N Chlorine dioxide Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- VZJVWSHVAAUDKD-UHFFFAOYSA-N Potassium permanganate Chemical compound [K+].[O-][Mn](=O)(=O)=O VZJVWSHVAAUDKD-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- XGBDPAYTQGQHEW-UHFFFAOYSA-N Ferrate(VI) Chemical compound [O-][Fe]([O-])(=O)=O XGBDPAYTQGQHEW-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000005422 algal bloom Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 230000001112 coagulant Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000004059 degradation Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- YNHBOQSCVCFXRW-UHFFFAOYSA-N ozone;hydrate Chemical compound O.[O-][O+]=O YNHBOQSCVCFXRW-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000008399 tap water Substances 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
- C02F9/00—Multistage treatment of water, waste water, or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
Abstract
The present invention relates to a kind of technology processing system and the method for close-coupled processing micro-polluted raw, in water inlet pre-oxidation district, arranging ozone toss area on water inlet pipe, former water, after ozone oxidation, makes algae, Humus material is oxidized, in machinery settling section, utilize mechanical agitation, make former water be sufficiently mixed, remove suspended matter in water, the organic substance such as colloidal quality and algae；In BAF district, rely on training wall to define the lower to stream and up-flow biological filter of alternative expression, remove the ammonia nitrogen in water, Organic substance, odor, algae, turbidity and the organism come off；In sand filtration filtering area, use manganese sand filtering material, remove Organic substance in water, antibacterial or even virus, except heavy metal substances such as ferrum, manganese.The present invention is collection chemical oxidization method, Gas biological filter, contact oxidation method, biomembrance process, settlement separate method, the method and apparatus that fast filter method processes micro-polluted raw in one, and water after treatment can reach the relevant water quality standard for drinking water of country.
Description
Technical field
The present invention relates to a kind of micro-polluted raw processing method, be specifically related to a kind of collection chemical oxidization method, aeration and biological is filtered
Chi Fa, contact oxidation method, biomembrance process, settlement separate method, fast filter method processes the combined process system of micro-polluted raw in one.
Background technology
The micro-pollution problem in Drinking Water in China water source in recent years becomes increasingly conspicuous, and Organic Pollution is serious, algal bloom, ammonia
Nitrogen exceeds standard, and various planktons grow, and common process effluent quality is difficult to reach " drinking water sanitary standard " (GB5749-
2006).Therefore, how on the basis of existing technique, tap water water factory technique to be carried out upgrading, explore advanced person, efficiently
Drinking water safety safeguards technique be water supply industry problem demanding prompt solution.
Oxidation technology, is to add chemical oxidizing agent in handling technology of water supply front end, relies on its oxidability to decompose
Destroy the structure of organic pollution, thus decompose or conversion pollutant, the treatment effect of strengthening subsequent technique.Be presently used for
The oxidant that water processes mainly has chlorine, ozone, chlorine dioxide, potassium permanganate, hydrogen peroxide, ferrate etc..Wherein ozone oxygen
Change method is widely applied in more American-European developed countries, and has become ripe.Domestic start from 20 century 70s
O has been carried out on the ground such as Shanghai, Tianjin, Beijing the most in succession3Every research that oxidizing process water processes, achieves many achievements, O3Oxidation
Ability is strong, and response speed is fast, and raw material is easy to get, easy to use, does not produce secondary pollution.But owing to one-time investment is big, power consumption
The factor such as big, is not the most widely used, but day by day increases the weight of owing to domestic drinking water source pollutes so that people start
Pay attention to ozone application in polluted water processes.At present, the combining of strengthening ozonation technique and ozone and other processing methods
Use the most active in water treatment field.
At beginning of the nineties late 1980s, combining traditional biological membrane process and the basis of feedwater rapid filter technique
On, develop third generation biomembrance process and process technique BAF, and be quickly applied to the advanced treating of waste water,
After directly apply to waste water two stage biological process.The feature of its maximum is that collection Organic substance oxidation degradation is cut with suspended solid
Stay in one, organics removal and SS, effective denitrogenation dephosphorizing function can be realized, can select close according to the water quality characteristics of waste water
Suitable process form, and follow-up mud-water separation facility can be saved.Application shows: BAF has operation function
By force, floor space is little, good operation stability, the advantages such as purification efficiency is good, it is possible to be applied to the place of eutrophication micropollutant water
Reason.In the case of China's water body organic contamination is increasingly serious, in the urgent need to biologic treating technique is introduced handling technology of water supply,
Existing technique is carried out upgrading, improves the supportability of water supply quality, make outlet water organic substance and ammonia nitrogen index reach to drink
Water water standard.But owing to containing the material such as more shellfish and algae in former water, BAF is applied to Water purification
In the problems such as water distribution system filter blocks, and hardening occurs in filtrate, backwashing period shortening often occur.In the middle of sewage disposal, expose
Front end, gas biofilter is standing carries out coagulation with " the ultra-fine grid of grid setting pot sedimentation tank ", thus drops
Low BAF water inlet SS, prevents impurities in water from blocking water distribution system, extends again the working cycle.But it is former in micro-pollution
In the process of water, natural subsidence is to the treatment effect of turbidity bad, and when raw water turbidity is bigger, BAF system is held
Easily blocking, the loss of flood peak increases very fast, and backwash frequency increases, and energy consumption increases.If in Water purification, also increase same one-level
Process technique, then not only increase floor space, nor necessarily can guarantee that preferable treatment effect.
Summary of the invention
The problem proposed for above-mentioned prior art, the present invention proposes the process combination system of close-coupled processing micro-polluted raw
System and method thereof, mainly solve the technical problem existing for existing micro-polluted raw processing method, in the way of high efficiency, low cost
Realize the process of polluted water body.
For achieving the above object, technical scheme is as follows:
The process combination system of close-coupled processing micro-polluted raw, including entering water pre-oxidation district, machinery clarification flotation area,
Upper and lower to stream BAF district and sand filtration filtering area, the water inlet pipe in described water inlet pre-oxidation district arranges ozonisation and adds
Point, is used for aoxidizing algae, Humus material, removes and smells and taste, the coagulation performance of improving former water, and connects machine by water inlet pipe
Tool clarification flotation area, is provided with mechanical agitation in described machinery clarification flotation area and promotes system, for the former water of mechanical agitation, the most mixed
Close former water, and remove the suspended matter in former water, colloidal quality and organic substance, machinery clarification flotation area by downflow weir with lower to
Stream BAF is connected, described lower to flowing BAF district by training wall with UBAF district even
Connect, form alternative expression circle gallery BAF, be used for increasing former water and biomembranous contact area, utilize biomembrane raw
Thing oxidation and the dual function organics removal that retains of filtrate, ammonia nitrogen, algae, smell and taste；Described alternative expression circle gallery aeration
Biofilter connects sand filtration filtering area by downflow weir, and former water is after in sand filtration filtering area, filtrate retains filtration, and top water outlet is overflow
It flow to effluent trough and flow to outlet pipe.
Described machinery clarification flotation area includes the first reative cell, the second reative cell, separation chamber, the first reative cell connect into
Water pipe, promotes system equipped with mechanical agitation in the middle of the first reative cell, and bottom is provided with discharge pipeline, is provided with dosing bottom the second reative cell
Point, separation chamber is provided with effluent overflow weir water, chemical feeding points.
Described lower including lower to stream BAF cell body to stream BAF district, ceramic grain filter, gravel holds
Torr layer, filter, aeration tube, catchment sparge pipe, and catchment distribution main, water distributing area of catchmenting, lower in stream BAF cell body
Gravel supporting layer is placed above above ceramic grain filter and filter, ceramic grain filter and gravel supporting layer is provided with top separately below
Catchment the water distributing area of catchmenting of water distributing area and bottom, the water distributing area of catchmenting of bottom built with aeration tube, catchment sparge pipe, described bottom
The UBAF district adjacent with same gallery, water distributing area of catchmenting bottom water distributing area of catchmenting be connected by training wall.
Described UBAF district includes UBAF cell body, ceramic grain filter, and gravel holds
Torr layer, filter, aeration tube, the sparge pipe that catchments, catchment distribution main, water distributing area of catchmenting, in UBAF cell body
Gravel supporting layer is placed above above ceramic grain filter and filter, ceramic grain filter and gravel supporting layer is provided with top separately below
Catchment the water distributing area of catchmenting of water distributing area and bottom, the water distributing area of catchmenting of bottom built with aeration tube, catchment sparge pipe, described top
Lower the catchment water distributing area on top to stream BAF district adjacent with same gallery, water distributing area of catchmenting by training wall phase
Even, it is connected by downflow weir to stream BAF district with under another circular gallery.
Described sand filtration filtering area includes sand filtration filtering ponds cell body, filtrate, gravel supporting layer, filter, aeration tube, catchments and joins
Water pipe, catchment distribution main, water distributing area of catchmenting, and in sand filtration filtering ponds cell body, gravel supporting layer has been placed above filtrate and filter,
It is provided with the water distributing area of catchmenting of catchment water distributing area and the bottom on top, catchmenting of bottom separately below with gravel supporting layer above filtrate
Water distributing area adjacent with same gallery lower to stream BAF district water distributing area of catchmenting be connected by training wall, catchmenting of top
Water distributing area is connected with effluent trough and outlet pipe by downflow weir, and outlet pipe is connected to backwash water inlet manifold.
The filtrate of described sand filtration filtering area is sandstone filtrate or manganese sand filtering material or modified filter material, for different Yuan Shuishui
Matter.
Described BAF district and sand filtration filtering area are designed with back purge system, and back purge system includes backwash
Water inlet manifold, backwash water inlet pipe, backwash inlet manifold, backwash pump, backwash aerator, backwash rhone, anti-
Flush discharge pipe, backwash aerator connects aeration tube by backwash inlet manifold, and aeration tube connects multiple filters to be carried out even
Continuous aeration, backwash pump connects backwash water inlet manifold and backwash water inlet pipe, and backwash water inlet manifold is arranged at the bottom of cell body
The water distributing area being connected with backwash water inlet pipe of catchmenting in portion, backwash rhone is separately positioned in the first circular gallery upper end
Side, outside the second circular gallery upper end, and is connected with backwash drain pipe.
A kind of method applying the close-coupled processing micro-polluted raw of the present invention, comprises the concrete steps that:
1. use chemical oxidization method to process
By former water by the ozone toss area arranged on water inlet pipe in water inlet pre-oxidation district, after ozone oxidation, make big point
Sub-Organic substance is transformed into small-molecule substance, algae, and Humus material is oxidized, smells and is removed with taste, improves the mixed of former water
Solidifying performance；
2. use settlement separate method to process
Water after chemical oxidization method processes enters machinery settling section, utilizes mechanical agitation, makes water be sufficiently mixed, and removes water
Middle large particulate matter, and eliminate SS in water, colloidal quality, algae further, prevent influent turbidity from causing greatly BAF
The phenomenon of filter blocking, slows down the increase of its loss of flood peak, extends the working cycle；
3. use Gas biological filter, contact oxidation method and biomembrance process to process
Mechanical clarifier water outlet through downflow weir enter under to stream BAF district in, same gallery lower to stream aeration
Biofilter and UBAF rely on training wall to be formed under the alternative expression of circular gallery type to stream and upward flow
Biofilter, UBAF water outlet afterwards enters the lower to stream aeration and biological of another circular gallery by downflow weir
Filter tank, in being placed in supporting layer, aerator the multiple filters on the aerated conduit supplied carry out continuous aeration, and ceramic grain filter is raw
Long biomembrane obtains the dissolved oxygen of abundance, the dual function that water retains through biomembrane and filtrate, removes the odor in water, ammonia
The organism of nitrogen, Organic substance, algae, turbidity and death；
4. use fast filter method to process
Water outlet enters in sand filtration filtering area, through being placed in sand through the lower water distributing area water conservancy diversion that catchments bottom stream BAF
The manganese sand filtering material of filter filtering area, retain further remove in water come off organism, antibacterial, virus, organic substance, and remove
Heavy metal substance, the water after purification flow to outlet pipe from effluent trough and enters clear water reserviors.
The invention has the beneficial effects as follows:
1) for the subject matter of micro-polluted raw: odor, algae reproduction, Organic substance and ammonia nitrogen exceed standard, the huge sum of money such as ferrum, manganese
Belong to sudden exceeding standard.After water inlet ozone pre-oxidation, algae, Humus material is oxidized, smells and obtains certain removal with taste, and
And improve the coagulation performance of former water；In machinery clarification flotation area, utilize mechanical agitation, make former water be sufficiently mixed, not only remove
Suspended matter in water, the organic substance such as colloidal quality and algae, and prevent influent turbidity from causing greatly alternative aeration biofilter
The phenomenon of filter blocking, slow down the increase of its loss of flood peak, extends the working cycle.
2) utilizing to stream and UBAF under alternative expression, former water increases greatly with biomembranous contact area
Add, in the case of dissolved oxygen abundance, utilize the efficient organics removal of dual function that biological membrane biological oxidation and filtrate retain,
Ammonia nitrogen, algae, remove certain smelling and taste simultaneously,
3) use manganese sand filtering material to filter, not only retained water comes off organism, antibacterial, the organic substance such as virus, and
And the heavy metal substances such as ferrum, manganese can be removed.
4) whole system collection chemical oxidization method, Gas biological filter, contact oxidation method, biomembrance process, settlement separate method,
Fast filter method processes micro-polluted raw in one, uses and concentrates blast aeration system, takes up an area little, and cost is low, energy-conservation, purification efficiency
Height, is suitable to process micro-polluted raw.
Accompanying drawing explanation
Fig. 1 is the floor map of the present invention；
Fig. 2 is along A-A sectional view in Fig. 1.
Specific embodiment
With embodiment, the present invention is further detailed below in conjunction with the accompanying drawings.
Such as Fig. 1, shown in Fig. 2, the process combination system of close-coupled processing micro-polluted raw, pre-oxidize district, machine including entering water
Tool clarification flotation area 2, alternative aeration biofilter district and sand filtration filtering area.It include water inlet pipe 1, backwash rhone 3, on
To stream BAF 4, lower to stream BAF 5, backwash drain pipe 7, sand filtration filtering area 8, effluent trough 9, water outlet
Pipe 10, chemical feed pipe 11, mechanical agitation system 12, ozone toss area 13, ceramic grain filter 14, gravel supporting layer 15, aeration tube 16, collection
Water sparge pipe 17, the filter 18 of water distribution aeration that doubles as catchmenting, the distribution main 19 that catchments, backwash water inlet pipe 20, discharge pipeline 21, collection
Water water distributing area 22, filtrate 23, downflow weir 24, separation chamber's the 25, second reative cell the 26, first reative cell 27, backwash air inlet pipe 28,
Aerator 29, backwash water inlet manifold 30, backwash pump 31.
On the water inlet pipe 1 in water inlet pre-oxidation district, ozonisation toss area 13 is set, is used for aoxidizing algae, Humus material,
Removing and smell and taste, the coagulation performance of improving former water, and connect machinery clarification flotation area 2 by water inlet pipe 1, described machinery clarification is floating
It is provided with mechanical agitation in constituency 2 and promotes system 12, for the former water of mechanical agitation, be sufficiently mixed former water, and remove hanging in former water
Aerosol, colloidal quality and organic substance, machinery clarification flotation area 2 is connected to stream BAF 5 with lower by downflow weir 24,
Described lower it is connected with UBAF district by training wall to stream BAF district, formation alternative expression circle corridor
Road BAF, is used for increasing former water and biomembranous contact area, utilizes biological membrane biological oxidation and filtrate to retain
Dual function organics removal, ammonia nitrogen, algae, smell and taste；Described alternative expression circle gallery BAF passes through downflow weir
24 connect sand filtration filtering area, and former water is after in sand filtration filtering area, filtrate retains filtration, and top water outlet overflow flow to out to effluent trough 9
Water pipe 10.
Machinery clarification flotation area includes the first reative cell 27, the second reative cell 26, separation chamber 25, and the first reative cell 27 connects
Water inlet pipe 1, promotes system 12 equipped with mechanical agitation in the middle of the first reative cell 27, and bottom is provided with discharge pipeline 21, at the bottom of the second reative cell
Portion is provided with chemical feeding points (11), and separation chamber 25 is provided with effluent overflow weir water 24, chemical feeding points 11.
Lower to stream BAF district include lower to stream BAF cell body 5, ceramic grain filter 14, gravel supporting layer
15, filter 18, aeration tube 16, catchment sparge pipe 17, and catchment distribution main 19, water distributing area 22 of catchmenting, lower to stream aeration and biological filter
In pond cell body 5, gravel supporting layer 15 has been placed above above ceramic grain filter 14 and filter 18, ceramic grain filter 14 and gravel supporting layer
The water distributing area 22 of catchmenting of 15 catchment water distributing area 22 and the bottoms being provided with top separately below, bottom catchment water distributing area 22 built with
Aeration tube 16, catchment sparge pipe 17, the upward flow aeration and biological filter that the water distributing area 22 of catchmenting of described bottom is adjacent with same gallery
Water distributing area 22 of catchmenting bottom pond district 4 is connected by training wall.
UBAF district includes UBAF cell body 4, ceramic grain filter 14, gravel supporting layer
15, filter 18, aeration tube 16, the sparge pipe 17 that catchments, catchment distribution main 19, water distributing area 22 of catchmenting, and upward flow aeration and biological is filtered
In pond cell body 4, gravel supporting layer 15 has been placed above above ceramic grain filter 14 and filter 18, ceramic grain filter 14 and gravel supporting layer
The water distributing area 22 of catchmenting of 15 catchment water distributing area 22 and the bottoms being provided with top separately below, bottom catchment water distributing area 22 built with
Aeration tube 16, catchment sparge pipe 17, lower to stream aeration and biological filter adjacent with same gallery in the water distributing area 22 of catchmenting on described top
The water distributing area 22 of catchmenting on the top in pond district 5 is connected by training wall, with another circular gallery under to stream BAF district 5 by overflowing
Stream weir 24 is connected.
Sand filtration filtering area includes sand filtration filtering ponds cell body 8, filtrate 23, gravel supporting layer 15, filter 18, aeration tube 16, collection
Water sparge pipe 17, catchment distribution main 19, water distributing area 22 of catchmenting, and in sand filtration filtering ponds cell body 8, gravel supporting layer 15 is placed above
Having filtrate 23 and filter 18, filtrate 23 is above and gravel supporting layer 15 is provided with catchment water distributing area 22 and the bottom on top separately below
Water distributing area 22 of catchmenting, lower adjacent with same gallery in the water distributing area 22 of catchmenting of bottom is joined to catchmenting of BAF district of stream
Pool 22 is connected by training wall, and the water distributing area 22 of catchmenting on top is connected with effluent trough 9 and outlet pipe 10 by downflow weir 24, water outlet
Pipe 10 is connected to backwash water inlet manifold 30.
The filtrate of sand filtration filtering area is sandstone filtrate or manganese sand filtering material or modified filter material, for different raw water qualities.
BAF district and sand filtration filtering area are designed with back purge system, and back purge system includes that backwash water inlet is total
Pipe 30, backwash water inlet pipe 20, backwash inlet manifold 28, backwash pump 31, backwash aerator 29, backwash rhone
3, backwash drain pipe 7, backwash aerator 29 connects aeration tube 16 by backwash inlet manifold 28, and aeration tube 16 connects many
Individual filter carries out continuous aeration, and backwash pump 31 connects backwash water inlet manifold 30 and backwash water inlet pipe 20, and backwash is entered
Supply mains 30 is arranged on the water distributing area 22 being connected with backwash water inlet pipe 20 of catchmenting bottom cell body, and backwash rhone 3 is respectively
It is arranged on inside the first circular gallery upper end, outside the second circular gallery upper end, and is connected with backwash drain pipe 7.
The method of the application close-coupled processing micro-polluted raw of the present invention: in water inlet pre-oxidation district, water inlet pipe is provided with smelly
Oxygen toss area, former water is after ozone oxidation, and larger molecular organics is transformed into small-molecule substance, algae, and Humus material is by oxygen
Change, smell and obtain certain removal with taste, and improve the coagulation performance of former water；After entering machinery settling section, machinery is utilized to stir
Mix, make former water be sufficiently mixed, not remove only large particulate matter in former water, and eliminate SS in water further, colloidal quality, algae
Deng material, prevent influent turbidity from causing greatly the phenomenon that BAF filter blocks, slow down the increase of its loss of flood peak, prolong
Long-time cycle；Mechanical clarifier water outlet under downflow weir enters in stream BAF district, same gallery lower to stream
BAF and UBAF rely on training wall define under the alternative expression of circular gallery type to stream and on
To the biofilter of stream, UBAF water outlet afterwards enters the lower of another circular gallery by downflow weir and exposes to stream
Gas biofilter, in being placed in supporting layer, aerator the multiple filters on the aerated conduit supplied carry out continuous aeration, haydite
The biomembrane of filtrate growth obtains the dissolved oxygen of abundance, the dual function that water retains through biomembrane and filtrate, removes smelling in water
The organism of taste, ammonia nitrogen, Organic substance, algae, turbidity and death；Water outlet is joined through lower catchmenting bottom stream BAF
Pool water conservancy diversion enters in sand filtration filtering area, through being placed in the manganese sand filtering material of sand filtration filtering area, retains in removal water de-the most further
The organic substances such as the organism that falls, antibacterial, virus, and ferrum can be removed, the heavy metal substance such as manganese.Water after purification is from water outlet
Concentrated flow to outlet pipe enters clear water reserviors, and whole technique completes.
Be former water with earth's surface, Shandong reservoir water, illustrate this combined system process micro-polluted raw effect: raw water turbidity
22.5NTU；Smell obvious with taste；CODMn5.84mg/L；Ammonia nitrogen 1.45mg/L；Algae number 280104 L-1；Mn content
0.336mg/L, through this system, after ozone pre-oxidation, dosing coagulant fully reacts in accelerator, flocculation,
Sedimentation, to stream UBAF, after manganese sand filter filters, delivery turbidity 0.05NTU under alternative expression after separation,
CODMn1.23mg/L；Ammonia nitrogen 0.12mg/L；Algae number 8104 L-1；Mn content is less than 0.01mg/L, odorless and taste.Conventional water
Matter index and characteristic contamination index entirely reach " drinking water sanitary standard " (GB5749-2006), and effluent quality is better than
Conventional water treatment process water outlet, this system is to former water Organic substance, and ammonia nitrogen exceeds standard, and ferrum, manganese etc. is total, and metal is sudden exceeds standard, algae,
The treatment effects such as odor are obvious, and system footprint is little, and cost is low.
Claims (8)
- The process combination system of the most close-coupled processing micro-polluted raw, including entering water pre-oxidation district, machinery clarification flotation area (2), It is upper and lower to stream BAF district and sand filtration filtering area, it is characterised in that: on the water inlet pipe (1) in described water inlet pre-oxidation district Ozonisation toss area (13) is set, is used for aoxidizing algae, Humus material, remove and smell and taste, the coagulation performance of improving former water, And connect machinery clarification flotation area (2) by water inlet pipe (1), it is provided with mechanical agitation in described machinery clarification flotation area (2) and promotes System (12), for the former water of mechanical agitation, is sufficiently mixed, and removes the suspended matter in former water, colloidal quality and organic substance, machine Tool clarification flotation area (2) is connected to stream BAF district with lower by downflow weir (24), described lower to stream aeration and biological filter In the district of pond, the lower of same gallery relies on training wall to form circular gallery to stream BAF and UBAF To stream and the biofilter of upward flow under the alternative expression of formula, UBAF water outlet afterwards enters another by downflow weir One circular gallery lower to stream BAF, is used for increasing former water and biomembranous contact area, utilizes biological membrane biological Oxidation and filtrate retain dual function organics removal, ammonia nitrogen, algae, smell and taste；Described alternative expression circle gallery aeration is raw Thing filter tank by downflow weir (24) connect sand filtration filtering area, former water after in sand filtration filtering area, filtrate retains filtration, top water outlet Overflow flow to outlet pipe (10) to effluent trough (9).
- The process combination system of close-coupled processing micro-polluted raw the most according to claim 1, it is characterised in that: described Machinery clarification flotation area includes the first reative cell (27), the second reative cell (26), separation chamber (25), and the first reative cell (27) connects Water inlet pipe (1), promotes system (12) equipped with mechanical agitation in the middle of the first reative cell (27), and bottom is provided with discharge pipeline (21), and second Reative cell (26) bottom is provided with chemical feeding points, and separation chamber (25) are provided with effluent overflow weir water (24), chemical feeding points.
- The process combination system of close-coupled processing micro-polluted raw the most according to claim 1, it is characterised in that: described Lower to stream BAF district include lower to stream BAF (5), ceramic grain filter (14), gravel supporting layer (15), filter Head (18), aeration tube (16), the sparge pipe that catchments (17), the distribution main that catchments (19), water distributing area of catchmenting, lower to stream aeration and biological filter Pond (5) interior gravel supporting layer (15) has been placed above ceramic grain filter (14) and filter (18), ceramic grain filter (14) above and gravel Supporting layer (15) is provided with the water distributing area of catchmenting of catchment water distributing area and the bottom on top separately below, and the water distributing area of catchmenting of bottom is built-in Having aeration tube (16), the sparge pipe that catchments (17), the upward flow aeration that the water distributing area of catchmenting of described bottom is adjacent with same gallery is raw Water distributing area of catchmenting bottom the district of thing filter tank is connected by training wall.
- The process combination system of close-coupled processing micro-polluted raw the most according to claim 1, it is characterised in that: described UBAF district includes UBAF (4), ceramic grain filter (14), gravel supporting layer (15), filter Head (18), aeration tube (16), the sparge pipe that catchments (17), the distribution main that catchments (19), water distributing area of catchmenting, upward flow aeration and biological is filtered Pond (4) interior gravel supporting layer (15) has been placed above ceramic grain filter (14) and filter (18), ceramic grain filter (14) above and gravel Supporting layer (15) is provided with the water distributing area of catchmenting of catchment water distributing area and the bottom on top separately below, and the water distributing area of catchmenting of bottom is built-in There are aeration tube (16), the sparge pipe that catchments (17), lower to stream aeration raw adjacent with same gallery in the water distributing area of catchmenting on described top The water distributing area of catchmenting on the top in thing filter tank district is connected by training wall, with another circular gallery under to stream BAF district by overflowing Stream weir (24) is connected.
- The process combination system of close-coupled processing micro-polluted raw the most according to claim 1, it is characterised in that: described Sand filtration filtering area includes that cell body (8), filtrate (23), gravel supporting layer (15), filter (18), aeration tube (16), collection are filtered in sand filtration Water sparge pipe (17), the distribution main that catchments (19), water distributing area of catchmenting, in sand filtration filtering ponds cell body (8) interior gravel supporting layer (15) Face is placed with filtrate (23) and filter (18), and filtrate (23) is provided with catchmenting of top separately below with gravel supporting layer (15) above Water distributing area and the water distributing area of catchmenting of bottom, lower to stream BAF district adjacent with same gallery in the water distributing area of catchmenting of bottom Water distributing area of catchmenting be connected by training wall, the water distributing area of catchmenting on top is by downflow weir (24) and effluent trough (9) and outlet pipe (10) It is connected, and outlet pipe (10) connects backwash water inlet manifold (30).
- The process combination system of close-coupled processing micro-polluted raw the most according to claim 1, it is characterised in that: described BAF district and sand filtration filtering area are designed with back purge system, and back purge system includes backwash water inlet manifold (30), Backwash water inlet pipe (20), backwash inlet manifold (28), backwash pump (31), backwash aerator (29), backwash is arranged Tank (3), backwash drain pipe (7), backwash aerator (29) connects aeration tube (16) by backwash inlet manifold (28), Aeration tube (16) connects multiple filter and carries out continuous aeration, and backwash pump (31) connects backwash water inlet manifold (30) and recoil Wash water inlet pipe (20), backwash water inlet manifold (30) be arranged on bottom cell body catchment water distributing area and with backwash water inlet pipe (20) Connecting, backwash rhone (3) is separately positioned on inside the first circular gallery upper end, outside the second circular gallery upper end, and with Backwash drain pipe (7) connects.
- The process combination system of close-coupled processing micro-polluted raw the most according to claim 5, it is characterised in that: described The filtrate (23) of sand filtration filtering area is sandstone filtrate or manganese sand filtering material or modified filter material, for different raw water qualities.
- 8. the process combination system of the close-coupled processing micro-polluted raw applied described in any one of claim 1-7 processes micro- The method of polluted raw, comprises the concrete steps that:1) chemical oxidization method is used to processBy former water by the ozone toss area arranged on water inlet pipe in water inlet pre-oxidation district, after ozone oxidation, macromole is made to have Machine thing is transformed into small-molecule substance, algae, and Humus material is oxidized, smells and is removed with taste, improves the coagulation of former water Energy；2) settlement separate method is used to processWater after chemical oxidization method processes enters machinery clarification flotation area, utilizes mechanical agitation, makes water be sufficiently mixed, removes water Middle large particulate matter, and eliminate SS in water, colloidal quality, algae further, prevent influent turbidity from causing greatly BAF The phenomenon of filter blocking, slows down the increase of its loss of flood peak, extends the working cycle；3) Gas biological filter, contact oxidation method and biomembrance process is used to processMachinery clarification flotation area water outlet through downflow weir enter under to stream BAF district in, same gallery lower to stream aeration Biofilter and UBAF rely on training wall to be formed under the alternative expression of circular gallery type to stream and upward flow Biofilter, UBAF water outlet afterwards enters the lower to stream aeration and biological of another circular gallery by downflow weir Filter tank, in being placed in supporting layer, aerator the multiple filters on the aerated conduit supplied carry out continuous aeration, and ceramic grain filter is raw Long biomembrane obtains the dissolved oxygen of abundance, the dual function that water retains through biomembrane and filtrate, removes the odor in water, ammonia The organism of nitrogen, Organic substance, algae, turbidity and death；4) fast filter method is used to processWater outlet enters in sand filtration filtering area, through being placed in sand filtration through the lower water distributing area water conservancy diversion that catchments bottom stream BAF The manganese sand filtering material in filter district, retain further remove in water come off organism, antibacterial, virus, organic substance, and remove a huge sum of money Belonging to material, the water after purification flow to outlet pipe from effluent trough and enters clear water reserviors.
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| CN104817217B (en) * | 2015-04-17 | 2016-07-20 | 北京建筑大学 | A kind of ozone pre-oxidation water treatment facilities and method for treating water thereof |
| CN105271619A (en) * | 2015-11-05 | 2016-01-27 | 东华工程科技股份有限公司 | Integrated biological aerated filter and sand filter building structure |
| CN106731060A (en) * | 2016-12-06 | 2017-05-31 | 欧盛腾水处理技术（杭州）有限公司 | Level stream sand filter and its water treatment technology |
| CN106986507A (en) * | 2017-05-22 | 2017-07-28 | 舟山风扬环保科技有限公司 | A kind of micropollutant water integrated treatment integrated apparatus |
| CN107324586A (en) * | 2017-07-07 | 2017-11-07 | 深圳市水务(集团)有限公司 | Halo aldehydes disinfection by-products formation potential removal device and method |
| CN112551814A (en) * | 2020-12-08 | 2021-03-26 | 上海电力大学 | Thermal power plant boiler circulating cooling water pretreatment process using reclaimed water as water source |
| CN113754197B (en) * | 2021-09-29 | 2022-11-11 | 哈尔滨工业大学 | Near-zero maintenance village and town drinking water integrated purification device and method for treating source water by applying same |
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