CN105585216B - Micro polluted source method for processing water supply depth - Google Patents
Micro polluted source method for processing water supply depth Download PDFInfo
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- CN105585216B CN105585216B CN201511030055.8A CN201511030055A CN105585216B CN 105585216 B CN105585216 B CN 105585216B CN 201511030055 A CN201511030055 A CN 201511030055A CN 105585216 B CN105585216 B CN 105585216B
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- water
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- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of micro polluted source method for processing water supply depth, sedimentation basin water outlet enters ozone pre-oxidation pond, and larger molecular organics are decomposed into small organic molecule by the strong oxidation of ozone in water；The water outlet in ozone pre-oxidation pond is promoted to high-efficiency bio-filter pool, and the filtering velocity of high-efficiency bio-filter pool is 6~10m/h, and filtrate crushes charcoal and ceramic grain filter including briquetting；The water outlet gravity of high-efficiency bio-filter pool flow to fiber filtering filter tank, suspended particulate is retained by fiber filtering, sludge system finally is entered with backwashing water, depositing technology, the water outlet of fiber filtering filter tank enters clear water reserviors and is pumped into public supply mains by pressurization after chlorination.Purified water outlet enters clear water reserviors after chlorination, reaches《Standards for drinking water quality》(GB5749 2006) solves in ozone biological activated carbon further treatment technique the problem of filter tank blocks, and organic removal rate is low, and operating cost is high, suitable for micro polluted source, the advanced treating of especially southern damp-heat area micro polluted source.
Description
Technical field
The present invention relates to a kind of Water purification technology more particularly to a kind of micro polluted source method for processing water supply depth.
Background technology
With the development of industry, the effect of superposition is presented in the intensity of pollution of waterhead and range, has been further exacerbated by water resource
Shortage and the contradiction of water requirements.Micro quantity organic pollutant problem also becomes more prominent in body eutrophication and water, conventional
Water-purifying process, i.e., flocculation-precipitation-sand filtration-disinfection treatment method is it is difficult to ensure that water quality.
At present, studying more further treatment technique has photochemical catalytic oxidation, membrane technology, biological activated carbon, ozone-biology to live
Property charcoal etc., wherein ozone-biological active carbon is current most widely used depth Water purification technology again, is by ozone chemistry oxygen
Change, the treatment process that biological activated carbon absorption and microbial degradation combine together.The pre- oxygen that organic pollutants pass through ozone
Change, macromolecular organic pollution is decomposed into small organic molecule, absorption and microorganism of the small organic molecule in consequent activities charcoal
Synergistic effect under degrade, drain eventually by backwash, depositing technology with sludge.But in practical applications, ozone-biology is living
Property carbon treatment process there are problems that, particularly in some southern damp-heat areas, water temperature, temperature are higher, microbial reproduction speed
Degree is fast, and oxygen demand is insufficient, and organic matter degradation is incomplete, and filter tank blocks, and backwash is frequent so that biological activated carbon filter
Filter efficiency reduces, and activated carbon wear rate raising, operating cost rises, and stable effluent quality is difficult to ensure that.
Invention content
The object of the present invention is to provide a kind of filter efficiency is high, operating cost is low, stable effluent quality micro polluted source
Method for processing water supply depth.
The purpose of the present invention is what is be achieved through the following technical solutions：
The micro polluted source method for processing water supply depth of the present invention, including step：
A, sedimentation basin water outlet enters ozone pre-oxidation pond, is laid with pure titanium metal aeration head in bottom of pond, pond body is divided to front and rear two
Section, front and rear two sections of pond hold than being 3:2, ozone adds a concentration of 1~3mg/L in pond, residence time of the water in pond for 10~
15min, larger molecular organics are decomposed into small organic molecule by the strong oxidation of ozone in water；
B, the water outlet in the ozone pre-oxidation pond is promoted to high-efficiency bio-filter pool, and the filtering velocity of the high-efficiency bio-filter pool is 6
~10m/h, filtrate include two kinds of filtrates, and one kind is that briquetting crushes charcoal, 1.2~1.3mm of particle size range, positioned at upper strata, floor height
1.8m, another kind are ceramic grain filters, and 3~6mm of grain size, floor height 0.5m, positioned at bottom, the thickness of middle part supporting layer is 0.3m, is held
Boring aeration pipe is laid in support layer, compressed air provides the oxygen source needed for microorganism growth by aeration tube；
C, the water outlet gravity of the high-efficiency bio-filter pool flow to fiber filtering filter tank, and the filtering velocity in the fiber filtering filter tank is
12~20m/h, filtrate load height 0.8m, and supporting layer uses rubble sand, 4~8mm of grain size, floor height 80mm, high-performance bio filter
Suspended particulate in the water outlet of pond is retained by fiber filtering, finally enters sludge system, fiber filter with backwashing water, depositing technology
The water outlet of material filter tank enters clear water reserviors and is pumped into public supply mains by pressurization after chlorination.
As seen from the above technical solution provided by the invention, micro polluted source provided in an embodiment of the present invention is to the depth of water
Processing method is spent, flocculation sedimentation tank water outlet is from ozone pre-oxidation pond is flowed into, and after ozone oxidation, larger molecular organics decompose in water
It for small organic molecule, improves Organic substance in water biodegradability and reduces the coloration of water, be discharged and be promoted to high-performance bio filter through pump
Bottom of pond portion water distributing area, the adsorbing of combined filtrate, biodegradable collective effect, micro quantity organic pollutant and ammonia nitrogen are able in water
Removal, water outlet gravity flows into fiber filtering filter tank, graininess suspended matter in water is further reduced by interception function, purified
Water outlet enters clear water reserviors after chlorination, reaches《Standards for drinking water quality》(GB5749-2006).
Description of the drawings
Fig. 1 is the flow diagram of micro polluted source method for processing water supply depth provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention will be described in further detail below.
The micro polluted source method for processing water supply depth of the present invention, preferable specific embodiment are：
Including step：
A, sedimentation basin water outlet enters ozone pre-oxidation pond, is laid with pure titanium metal aeration head in bottom of pond, pond body is divided to front and rear two
Section, front and rear two sections of pond hold than being 3:2, ozone adds a concentration of 1~3mg/L in pond, residence time of the water in pond for 10~
15min, larger molecular organics are decomposed into small organic molecule by the strong oxidation of ozone in water；
B, the water outlet in the ozone pre-oxidation pond is promoted to high-efficiency bio-filter pool, and the filtering velocity of the high-efficiency bio-filter pool is 6
~10m/h, filtrate include two kinds of filtrates, and one kind is that briquetting crushes charcoal, 1.2~1.3mm of particle size range, positioned at upper strata, floor height
1.8m, another kind are ceramic grain filters, and 3~6mm of grain size, floor height 0.5m, positioned at bottom, the thickness of middle part supporting layer is 0.3m, is held
Boring aeration pipe is laid in support layer, compressed air provides the oxygen source needed for microorganism growth by aeration tube；
C, the water outlet gravity of the high-efficiency bio-filter pool flow to fiber filtering filter tank, and the filtering velocity in the fiber filtering filter tank is
12~20m/h, filtrate load height 0.8m, and supporting layer uses rubble sand, 4~8mm of grain size, floor height 80mm, high-performance bio filter
Suspended particulate in the water outlet of pond is retained by fiber filtering, finally enters sludge system, fiber filter with backwashing water, depositing technology
The water outlet of material filter tank enters clear water reserviors and is pumped into public supply mains by pressurization after chlorination.
The backwashing manner in the fiber filtering filter tank uses air-water backwashing, and flush sequence is followed successively by air purge --- and air water joins
Syzygies is washed --- washing, 3~5min of air purge time, 20~22L/s.m of air purge intensity2；3~5min of washing time washes intensity
6L/s.m2, 8~10min of washing time, gas and water backwash rate remain unchanged air water simultaneously, whole process rinsing, and rinsing intensity 1.4~
2.8L/s.m2。
The method for processing water supply depth suitable for micro polluted source of the present invention, flocculation sedimentation tank water outlet are pre- from ozone is flowed into
Oxidation pond, after ozone oxidation, larger molecular organics are decomposed into small organic molecule in water, improve Organic substance in water biodegradability
It with the coloration for reducing water, is discharged and is promoted to high-efficiency bio-filter pool bottom water distributing area through pump, combined filtrate adsorbs, is biodegradable
Collective effect, micro quantity organic pollutant and ammonia nitrogen are removed in water, and water outlet gravity flows into fiber filtering filter tank, passes through interception
Effect further reduces graininess suspended matter in water, and purified water outlet enters clear water reserviors after chlorination, reaches《Life is drunk
Water hygiene standard》(GB5749-2006), it solves filter tank blocking, organic matter in ozone-biological active carbon further treatment technique to go
Except rate is low, the problem of operating cost is high, suitable for micro polluted source, the depth of especially southern damp-heat area micro polluted source
Reason.
Compared with prior art, the present invention it has the following advantages：It is damp and hot by combining filtrate solution activated carbon filter south
The easy blockage problem in area, reduces backwash frequency, reduces activated carbon wear rate, saved water-supply plant operation expense；
Simultaneously by the fiber filtering united application with high filtering velocity, land used is both saved, also to satisfaction《Standards for drinking water quality》
(GB5749-2006) sufficient guarantee is provided.
Specific embodiment：
As shown in Figure 1, its step are as follows：
(1) ozone pre-oxidation pond water inlet autoflocculation sedimentation basin water outlet, bottom of pond is interior to be laid with pure titanium metal aeration head, before pond body is divided
2 sections afterwards, 2 sections of ponds hold ratio 3:2；Ozone adds 1~3mg/L of concentration, 10~15min of residence time；Larger molecular organics lead in water
The strong oxidation for crossing ozone is decomposed into small organic molecule.
(2) ozone pre-oxidation pond water outlet is promoted to high-efficiency bio-filter pool.High-efficiency bio-filter pool 6~10m/h of filtering velocity, filtrate by
2 kinds of filtrate compositions, one kind is that briquetting crushes charcoal, 1.2~1.3mm of particle size range, positioned at upper strata, floor height 1.8m；One kind is haydite
Filtrate, 3~6mm of grain size, floor height 0.5m, positioned at bottom.Support layer thickness 0.3m is laid with boring aeration pipe in supporting layer, compresses
Air provides the oxygen source needed for microorganism growth by aeration tube.
Filter cell rinse uses combined water and air backwash, 10~15L/s.m of air blasting intensity2, water rushes 4~6L/s.m of intensity2, gas
Time 3min is rushed, water rushes 3~5min of time, air water while washing time 4min.It is aerated gas-water ratio 0.2~0.5:1；
Pre- ozone oxidation pond water outlet enters high-efficiency bio-filter pool water distributing area by pumping from bottom of pond, laggard through filter uniform water distribution
Enter filtrate area, organic pollutants and ammonia nitrogen to be degraded in the absorption of activated carbon and the collective effect of biological bacteria, remove, simultaneously
Bottom aerating system provides the required oxygen of microbial degradation organic matter.Through treated in filter tank, water outlet enters at the top of filter tank
To outlet canal, subsequent fiber filter material filter pool is then flowed by gravity.
(3) high-efficiency bio-filter pool water outlet gravity flow to fiber filtering filter tank.Fiber filtering filter tank 12~20m/h of filtering velocity, filter
Material loads height 0.8m, and supporting layer uses rubble sand, 4~8mm of grain size, floor height 80mm.Backwashing manner uses air-water backwashing,
Flush sequence is followed successively by air purge --- air water joint is rinsed --- washing, air purge time 4min, air purge intensity 20L/s.m2；During washing
Between 3~5min, washing intensity 6L/s.m2, 8~10min of washing time, gas and water backwash rate remain unchanged air water simultaneously, whole
Rinsing, rinsing intensity 2L/s.m2。
High-efficiency bio-filter pool water outlet in suspended particulate retained by fiber filtering, finally with backwashing water, depositing technology into
Enter to sludge system.The water outlet of fiber filtering filter tank enters clear water reserviors and is pumped into public supply mains by pressurization after chlorination.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can readily occur in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (1)
1. a kind of micro polluted source method for processing water supply depth, which is characterized in that including step：
A, sedimentation basin water outlet enters ozone pre-oxidation pond, is laid with pure titanium metal aeration head in bottom of pond, and pond body is divided to front and rear two sections, preceding
Two sections of pond holds than being 3 afterwards:2, ozone adds a concentration of 1~3mg/L in pond, and residence time of the water in pond is 10~15min,
Larger molecular organics are decomposed into small organic molecule by the strong oxidation of ozone in water；
B, the water outlet in the ozone pre-oxidation pond is promoted to high-efficiency bio-filter pool, the filtering velocity of the high-efficiency bio-filter pool for 6~
10m/h, filtrate include two kinds of filtrates, and one kind is that briquetting crushes charcoal, 1.2~1.3mm of particle size range, positioned at upper strata, floor height 1.8m,
Another kind is ceramic grain filter, 3~6mm of grain size, floor height 0.5m, and positioned at bottom, the thickness of middle part supporting layer is 0.3m, in supporting layer
Boring aeration pipe is laid with, compressed air provides the oxygen source needed for microorganism growth by aeration tube；
C, the water outlet gravity of the high-efficiency bio-filter pool flow to fiber filtering filter tank, the filtering velocity in the fiber filtering filter tank for 12~
20m/h, filtrate load height 0.8m, and supporting layer uses rubble sand, 4~8mm of grain size, floor height 80mm, and high-efficiency bio-filter pool goes out
Suspended particulate in water is retained by fiber filtering, finally enters sludge system, fiber filtering filter with backwashing water, depositing technology
Pond water outlet enters clear water reserviors and is pumped into public supply mains by pressurization after chlorination；
The backwashing manner in the fiber filtering filter tank uses air-water backwashing, and flush sequence is followed successively by air purge --- air water joint punching
Wash --- washing, 3~5min of air purge time, 20~22L/s.m of air purge intensity2；3~5min of washing time, washing intensity 6L/
s.m2, 8~10min of washing time, gas and water backwash rate remain unchanged air water simultaneously, whole process rinsing, and rinsing intensity 1.4~
2.8L/s.m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030055.8A CN105585216B (en) | 2015-12-31 | 2015-12-31 | Micro polluted source method for processing water supply depth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030055.8A CN105585216B (en) | 2015-12-31 | 2015-12-31 | Micro polluted source method for processing water supply depth |
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| Publication Number | Publication Date |
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| CN105585216A CN105585216A (en) | 2016-05-18 |
| CN105585216B true CN105585216B (en) | 2018-07-10 |
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| CN201511030055.8A Expired - Fee Related CN105585216B (en) | 2015-12-31 | 2015-12-31 | Micro polluted source method for processing water supply depth |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045210B (en) * | 2016-07-15 | 2019-08-06 | 长安大学 | A kind of slightly-polluted raw water advanced treatment process and system |
| 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 |
| CN108308100A (en) * | 2018-04-02 | 2018-07-24 | 天津农学院 | A kind of circulating water body device for cultivating penaeus monodon |
| CN111003901A (en) * | 2019-12-30 | 2020-04-14 | 河海大学 | Biological aerated filter combined device for pretreatment of feed water of micro-polluted water source |
| CN115353256B (en) * | 2022-08-22 | 2024-04-16 | 山东华城工程技术有限公司 | Water purification treatment process for micro-polluted surface water source water |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267756A (en) * | 2010-06-04 | 2011-12-07 | 中国科学院过程工程研究所 | Waste water deep treatment method through heterogeneous catalysis and ozone oxidation, and apparatus thereof |
| CN102745863A (en) * | 2012-07-04 | 2012-10-24 | 哈尔滨工业大学 | High efficiency fluidization upward flow multilayer composite filter material biological filter tank coupled with ozonation and water treatment method thereof |
| CN103657169A (en) * | 2013-12-04 | 2014-03-26 | 南京中电环保股份有限公司 | Tubular fiber bundle filtering method and apparatus |
| CN104108830A (en) * | 2014-07-04 | 2014-10-22 | 广东开源环境科技有限公司 | Novel recycled water advanced treatment and recycling system |
-
2015
- 2015-12-31 CN CN201511030055.8A patent/CN105585216B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267756A (en) * | 2010-06-04 | 2011-12-07 | 中国科学院过程工程研究所 | Waste water deep treatment method through heterogeneous catalysis and ozone oxidation, and apparatus thereof |
| CN102745863A (en) * | 2012-07-04 | 2012-10-24 | 哈尔滨工业大学 | High efficiency fluidization upward flow multilayer composite filter material biological filter tank coupled with ozonation and water treatment method thereof |
| CN103657169A (en) * | 2013-12-04 | 2014-03-26 | 南京中电环保股份有限公司 | Tubular fiber bundle filtering method and apparatus |
| CN104108830A (en) * | 2014-07-04 | 2014-10-22 | 广东开源环境科技有限公司 | Novel recycled water advanced treatment and recycling system |
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