CN105130095A - Raw water biological pre-treatment system and raw water biological pre-treatment method - Google Patents
Raw water biological pre-treatment system and raw water biological pre-treatment method Download PDFInfo
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- CN105130095A CN105130095A CN201510413822.7A CN201510413822A CN105130095A CN 105130095 A CN105130095 A CN 105130095A CN 201510413822 A CN201510413822 A CN 201510413822A CN 105130095 A CN105130095 A CN 105130095A
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Abstract
The invention discloses a raw water biological pre-treatment system and a raw water biological pre-treatment method. The pre-treatment system includes a biological fluidized tank filled with high-concentration powdery activated carbon and suspended filling materials, a precipitation tank having a concentration function, a water inlet pipe, a water discharge pipe, an oxygen-supply aeration stirring device, a backflow pipe, and a mixer used for mixing raw water with powdery activated carbon sludge residue to form a mixed liquid. The mixer is arranged on the water inlet pipe. The oxygen-supply aeration stirring device is arranged in the composite-type biological fluidized tank. The precipitation tank receives the mixed liquid from the composite-type biological fluidized tank and then separates the activated carbon sludge residue through a precipitation process, wherein the activated carbon sludge residue is back-flown to the water inlet pipe to form circulation through the backflow pipe. The powdery activated carbon sludge residue, which is back-flown to the composite-type biological fluidized tank, and the suspended filling materials, which are large in specific surface area, are used as a supporter for growing bio-membranes, thereby increasing the quantity of microorganisms in the composite-type biological fluidized tank. By means of excellent adsorption effect of the powdery activated carbon, the system is improved in removal rate of ammonia nitrogen and organic substances.
Description
Technical field
The water-treatment technology field of the present invention involved by civil engineering work and environmental engineering, is specifically related to a kind of raw water biological pretreatment system and method including high density gac body refuse and floating stuffing mixture fluidisation of waterworks.
Background technology
At present, the former water of micro-polluted surface generally presents the features such as high ammonia nitrogen, high Organic pollutants, in order to reduce output water ammonia nitrogen, dissolved organic matter and disinfection byproduct (DBP) isoconcentration, during the design of waterworks, generally Biological Pretreatment Techniques can be selected, as biological filter, biological contact oxidation pond etc.These biologic treating techniques are bio membrane treatment in essence, are to utilize the microbial metabolism effect on artificial plastic filler microbial film, the pollutent such as ammonia nitrogen, cultured water, organism of degrading in former water.Although traditional biological filter and biological contact oxidation pond higher to ammonia nitrogen removal frank, poor to dissolved organic matter removal effect, and unstable.Major cause has:
1) biomass is limited.Be limited to complete processing and the cost of plastic filler, specific surface area is difficult to accomplish that pond internal microorganism content is limited very greatly.
2) existing plastic filler is to Adsorption of Organic scarce capacity, cannot cause nutraceutical matrix enough in microenvironment, and organic matter removal efficiency is difficult to improve.
3) because the plastic filler individuality as carrier is comparatively large, in reaction chamber, gas-liquid-solid three-phase is even not, and gas, liquid, solid mass-transfer efficiency is not high.
Summary of the invention
The object of the present invention is to provide a kind of to former water ammonia nitrogen and dissolved organic matter removal effect raw water biological pretreatment system and method all preferably, solve traditional biological pretreatment pool due to biomass in reaction chamber limited, be difficult to form favourable organic matter removal environment, the problem that mass transfer effect is not good.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of raw water biological pretreatment system, comprise the combined biological fluidisation pond including high density burgy and floating stuffing, with the settling tank of concentrating function, water inlet pipe, water shoot, oxygen supply aeration stirrer, return line and the mixing tank for former water and Powdered Activated Carbon body refuse being mixed to form mixed solution, described mixing tank is arranged at the position near described combined biological fluidisation pond on described water inlet pipe, described oxygen supply aeration stirrer is arranged at bottom described combined biological fluidisation pond, the settling tank of described band concentrating function receives the mixed solution from described combined biological fluidisation pond, gac body refuse is isolated by depositing technology, and utilize described return line described gac body refuse to be back to described water inlet pipe formation circulation.
Optionally, in above-mentioned raw water biological pretreatment system, described combined biological fluidisation pond comprises pond body, reaction chamber, planar grille, described pond body is connected with described water inlet pipe and described water shoot respectively, described reaction chamber to be arranged in the body of described pond and described pond body is separated into the intake chamber be communicated with described water inlet pipe and the water-supplying chamber be communicated with described water shoot, described planar grille to be arranged in described reaction chamber and the upper space be separated into by described reaction chamber for carrying described floating stuffing and lower space, the filling ratio of described upper space inner suspension filler is 30% ~ 40%, described oxygen supply aeration stirrer is arranged in described lower space,
Optionally, in above-mentioned raw water biological pretreatment system, the mixed solution being mixed with return activated charcoal body refuse of described intake chamber is entered successively through described lower space through described water inlet pipe, described planar grille, enter described upper space and described floating stuffing grows microbial film as carrier jointly, in abundant oxygenation, stir, under the condition of mass transfer, reaction times keeps more than 1 hour, flow out from described water shoot by by described water-supplying chamber, being separated through settling tank is back in described upper space again, form circulation, and in maintenance mixed solution Powdered Activated Carbon concentration at more than 100mg/L.
Optionally, in above-mentioned raw water biological pretreatment system, on described oxygen supply aeration stirrer, about 0.8m arranges described planar grille.
Optionally, in above-mentioned raw water biological pretreatment system, described oxygen supply aeration stirrer comprises aeration house steward, some aeration branch pipes and some aeration heads, and described aeration branch pipe is connected with described aeration house steward respectively, and described aeration head distribution is arranged on described aeration branch pipe.
Optionally, in above-mentioned raw water biological pretreatment system, also comprise a supplementary burgy and add pipe, described supplementary burgy adds pipe for supplementing the gac because of sludge from sedimentation tank loss to the former water entering described mixing tank, and described supplementary burgy adds pipe and is arranged on raw water pipeline or on described water inlet pipe.
Optionally, in above-mentioned raw water biological pretreatment system, also comprise an ozone and add pipe, described ozone adds pipe and is arranged on raw water pipeline or on described water inlet pipe.
Optionally, in above-mentioned raw water biological pretreatment system, described pond body comprises plural described reaction chamber, described planar grille and described keeping aerating apparatus are set in each reaction chamber respectively, and include high density burgy and floating stuffing, connected by training wall between adjacent reaction chamber, make the flow direction of each reaction indoor liquid be that lower space is entered upper space and gone out.
The invention also discloses a kind of raw water biological pretreatment method, adopt raw water biological pretreatment system as above, described pretreatment process comprises: by initially adding gac, high density gac mixed solution is formed in combined biological fluidisation pond, gac body refuse is isolated by the depositing technology in post precipitation pond, described return line is utilized to be back in described organism fluidization pond by described gac body refuse, form circulation, and in combined biological fluidisation pond, oxygenic aeration is carried out to gac body refuse and floating stuffing, reinforcing mass transfer effect, oxygen needed for biological respinse is provided and promotes contacting of organism and microorganism and described gac body refuse and floating stuffing.
Optionally, in above-mentioned aquatic organism pretreatment process, when the influent turbidity in combined biological fluidisation pond is lower than below 50NTU, in every day former water, the dosage of gac is 5 ~ 8mg/L.
From above disclosed technical scheme, compared with prior art, the present invention is by initially adding volume gac, high density gac mixed solution is formed in combined biological fluidisation pond, be separated in post precipitation pond, by making it after sludge condensation to be back in organism fluidization pond, circulation slaking, extend gac body refuse residence time in pond, utilize and be back to floating stuffing in the huge Powdered Activated Carbon body refuse of combined biological fluidisation pond inner ratio surface area and combined biological fluidisation pond for carrier and grow microbial film, increase the amount of microorganism in combined biological fluidisation pond, the oxygen supply aeration stirrer in combined biological fluidisation pond needed for floating stuffing fluidisation is utilized to carry out oxygenation, fluidisation and stirring, combining powder gac body refuse is easy to be uniformly dispersed, and can strengthen the mass transfer of solid, liquid, gas, accelerates biological renewal, improve reaction efficiency, enhanced biological effect, utilize the adsorption that Powdered Activated Carbon is good, be conducive to assembling organism, formed collaborative with microbiological deterioration, thus effectively improve ammonia nitrogen and organic clearance.
In addition, because sludge from sedimentation tank can lose gac, in water inlet, supplement a small amount of gac, maintain gac high density in organism fluidization pond, this technique drastically increases the service efficiency of gac, significantly can save activated carbon dosage.Every day only supplements the gac because of spoil disposal loss, and when influent turbidity is lower than below 50NTU, the amounts of activated carbon of spoil disposal loss is lower, and conversion is to former water, and in every day former water, the dosage of gac is 5 ~ 8mg/L, and running cost is low.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the raw water biological pretreatment system of one embodiment of the invention.
Fig. 2 is the floor map in organism fluidization pond in one embodiment of the invention.
Fig. 3 is the A-A cross-sectional schematic of Fig. 2.
Fig. 4 is the scheme of installation of aeration head and aeration branch pipe in one embodiment of the invention.
In figure: 1-organism fluidization pond, 11-pond body, 12-reaction chamber, 13-planar grille, 14-intake chamber, 15-water-supplying chamber, 2-settling tank, 3-water inlet pipe, 4-water shoot, 5-oxygen supply aeration stirrer, 51-aeration house steward, 52-aeration branch pipe, 53-aeration head, 54-support, 55-anchor ear, 6-mixing tank, 7-supplement that burgy adds pipe, 8-ozone adds pipe, 9-return line, 10-floating stuffing.
Embodiment
Below in conjunction with the drawings and specific embodiments, the raw water biological pretreatment system and method that the present invention proposes is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Composition graphs 1 to Fig. 4, present embodiment discloses a kind of raw water biological pretreatment system, comprise the combined biological fluidisation pond 1 including high density burgy and floating stuffing 10, settling tank 2 with concentrating function, water inlet pipe 3, water shoot 4, oxygen supply aeration stirrer 5, return line 9 and the mixing tank 6 for former water and Powdered Activated Carbon body refuse being mixed to form mixed solution, described water inlet pipe 3 and described water shoot 4 are arranged at the both sides in described combined biological fluidisation pond 1 respectively, described mixing tank 6 is arranged at the position near described combined biological fluidisation pond 1 on described water inlet pipe 3, described oxygen supply aeration stirrer 5 is arranged at bottom described combined biological fluidisation pond 1, described water inlet pipe 3 and described water shoot 4 respectively with the entering of described combined biological fluidisation pond 1, outlet connects, described settling tank 2 receives the mixed solution from described combined biological fluidisation pond 1, gac body refuse is isolated by depositing technology, and utilize described return line 9 that described gac body refuse is back to described water inlet pipe 3 to form circulation.The present invention by initially adding volume gac on water inlet pipe 3, high density gac mixed solution is formed in combined biological fluidisation pond 1, be separated in post precipitation pond 2, by making it after sludge condensation to be back in organism fluidization pond 1, circulation slaking, activated carbon dosage, utilize the floating stuffing 10 be back in the huge Powdered Activated Carbon body refuse of combined biological fluidisation pond 1 inner ratio surface area and combined biological fluidisation pond 1 to grow microbial film for carrier, increase the amount of microorganism in combined biological fluidisation pond 1; The oxygen supply aeration stirrer 5 filled out needed for 10 streams that suspends is utilized in combined biological fluidisation pond 1 to carry out oxygenation, fluidisation and stirring, combining powder gac body refuse is easy to be uniformly dispersed, and can strengthen the mass transfer of solid, liquid, gas, accelerates biological renewal, improve reaction efficiency, enhanced biological effect; Utilize the adsorption that Powdered Activated Carbon is good, be conducive to assembling organism, formed collaborative with microbiological deterioration, thus effectively improve ammonia nitrogen and organic clearance.In addition, because gac body refuse is back in combined biological fluidisation pond 1, extend gac body refuse residence time in pond, drastically increase the service efficiency of gac, significantly save the usage quantity of gac.
Optionally, in above-mentioned raw water biological pretreatment system, described combined biological fluidisation pond 1 specifically comprises pond body 11, reaction chamber 12, planar grille 13, described pond body 11 is connected with described water inlet pipe 3 and described water shoot 4 respectively, described reaction chamber 12 to be arranged in described pond body 11 and described pond body 11 to be separated into the intake chamber 14 be communicated with described water inlet pipe 3 and the water-supplying chamber 15 be communicated with described water shoot 4, described planar grille 13 to be arranged in described reaction chamber 12 and the upper space be separated into by described reaction chamber 12 for carrying described floating stuffing 10 and lower space, the filling ratio of described upper space inner suspension filler 10 is 30% ~ 40%, described oxygen supply aeration stirrer is arranged in described lower space, the mixed solution being mixed with return activated charcoal body refuse of described intake chamber 14 is entered successively through described lower space through described water inlet pipe 3, described planar grille 13, enter described upper space and described floating stuffing 10 grows microbial film as carrier jointly, in mixed solution, Powdered Activated Carbon concentration is more than 100mg/L, utilizing oxygen supply aeration stirrer 5 fully oxygenation, stir, under the condition of mass transfer, reaction times keeps more than 1 hour, flow out from described water shoot 4 by by described water-supplying chamber 15, being separated through settling tank is back in upper space and fluidized-bed again, and in maintenance mixed solution Powdered Activated Carbon concentration at more than 100mg/L, floating stuffing 10 is positioned at described upper space all the time.Optionally, in above-mentioned raw water biological pretreatment system, described oxygen supply aeration stirrer 5 comprises aeration house steward 51, some aeration branch pipes 52 and some aeration heads 53, described aeration branch pipe 52 is connected with described aeration house steward 51 respectively, and described aeration head distribution is arranged on described aeration branch pipe 52.Installing space between aeration branch pipe 52 and between aeration head 53, is determined by the useful area of single aeration head 53, the selecting and arrange to prevent mixed solution from precipitating, realize floating stuffing 10 fluidisation and oxygenation demand is condition of oxygen supply aeration stirrer 5.Described aeration branch pipe 52 is installed at the bottom of the pond in organism fluidization pond by stainless steel stent 54, described aeration head 53 is installed on described aeration branch pipe 52 by stainless steel anchor ear 55.By oxygen supply aeration stirrer 5, not only can realize oxygen supply, and air-flow can be utilized fully to stir floating stuffing 10 and stream gac body refuse, improve fluid effect.
In order to when bottom oxygen supply aeration stirrer 5 overhauls, prevent floating stuffing 10 from burying oxygen supply aeration stirrer 5, on oxygen supply aeration stirrer 5, about 0.8m arranges planar grille 13, planar grille more than 13 is floating stuffing 10, floating stuffing 10 adopts polyethylene and polypropylene, and filling ratio is 30% ~ 40%.Be full of Powdered Activated Carbon body refuse mixed solution and floating stuffing 10 in pond body 11, by the stirring of bubble, prevent mixed solution precipitate and impel filler and mixed solution fluidisation even.Fully mixing, oxygenation, mass transfer, the enhanced biological effect in the reaction chamber of high ammonia nitrogen, the former water of high organic concentration, improves clearance.
In addition, because settling tank 2 spoil disposal can lose gac, a small amount of gac is supplemented in water inlet, maintain concentration of activated carbon in organism fluidization pond 1, optionally, in above-mentioned raw water biological pretreatment system, also comprise a supplementary burgy and add pipe 7, described ozone adds pipe 7 and is arranged on raw water pipeline or on described water inlet pipe 3, and described supplementary burgy adds pipe 7 for supplementing the gac because of the loss of settling tank 2 spoil disposal to the former water entering described mixing tank 6.This technique drastically increases the service efficiency of gac, significantly can save activated carbon dosage.Every day only supplements the gac because of spoil disposal loss, and when influent turbidity is lower than below 50NTU, the amounts of activated carbon of spoil disposal loss is lower, and conversion is to former water, and dosage 5 ~ 8mg/L, running cost is low.
Optionally, in above-mentioned raw water biological pretreatment system, also comprise an ozone and add pipe 8, described ozone adds pipe 8 and is arranged on raw water pipeline or on described water inlet pipe 3.In the present embodiment, described ozone adds on (i.e. mixing tank 6 away from side, organism fluidization pond 1) water inlet pipe 3 that pipe 8 is arranged at before mixing tank 6.By being combined with oxidation technique, utilizing the oxygenizement of ozone or other oxidation technology, changing organic attribute in water inlet, form the small molecules being easy to antimicrobial absorbent degraded, improve organic degradation efficiency.
That is, ozone add pipe 8 and supplementary burgy add pipe 7 can in conjunction with waterworks integrated artistic flow process need arrange, can be located on water intake pumping station and raw water pipeline, not necessarily will be located on the water inlet pipe 3 of this organism fluidization, for the present invention, ozone adds the strong oxidizing property mainly utilizing such medicament, change the characteristic of former Organic substance in water, larger molecular organics is oxidized to the absorption that small molecules is applicable to microorganism, improves biological treatment effect of the present invention, play auxiliary promoter action.Powdered Activated Carbon adds and is mainly to supplement the gac loss of answering post precipitation technique spoil disposal to cause.Gac body refuse return line 9 and water inlet mixing tank 6 are located on the water inlet pipe 3 in organism fluidization pond 1 of the present invention, the gac body refuse of backflow and former water are fully mixed, improve mass transfer effect.
Optionally, in above-mentioned raw water biological pretreatment system, described pond body 11 comprises plural reaction chamber 12, described planar grille 13 and described keeping aerating apparatus are set in each reaction chamber 12 respectively, and include high density burgy and floating stuffing 10, connected by training wall between adjacent reaction chamber 12, make the flow direction of liquid in each reaction chamber 12 be that lower space is entered upper space and gone out.
Please continue to refer to Fig. 1 to Fig. 4, the present embodiment also discloses a kind of raw water biological pretreatment method, adopt raw water biological pretreatment system as above, described pretreatment process comprises: by initially adding gac, high density gac mixed solution is formed in combined biological fluidisation pond 1, gac body refuse is isolated by the depositing technology in post precipitation pond 2, described return line 9 is utilized to be back in described organism fluidization pond 1 by described gac body refuse, form circulation, and in combined biological fluidisation pond 1, oxygenic aeration is carried out to gac body refuse and floating stuffing, reinforcing mass transfer effect, oxygen needed for biological respinse is provided and promotes contacting of organism and microorganism and described gac body refuse and floating stuffing 10.
The mixed solution being mixed with return activated charcoal body refuse of described intake chamber 14 is entered successively through described lower space through described water inlet pipe 3, described planar grille 13, enter described upper space and described floating stuffing 10 grows microbial film as carrier jointly, in mixed solution, Powdered Activated Carbon concentration is more than 100mg/L, utilizing oxygen supply aeration stirrer 5 fully oxygenation, stir, under the condition of mass transfer, reaction times keeps more than 1 hour, flow out from described water shoot 4 by by described water-supplying chamber 15, being separated through settling tank is back in upper space and fluidized-bed again, form circulation, and in maintenance mixed solution Powdered Activated Carbon concentration at more than 100mg/L, floating stuffing 10 is positioned at described upper space all the time.
Optionally, in above-mentioned raw water biological pretreatment method, in high density gac mixed solution, the content of gac is more than 100mg/L.The mixed solution of this concentration range can increase the amount of microorganism in combined biological fluidisation pond 1 to greatest extent, is conducive to assembling organism, is formed collaborative, thus effectively improve ammonia nitrogen and organic clearance with microbiological deterioration.
In addition, because settling tank 2 spoil disposal can lose gac, a small amount of gac is supplemented in water inlet, maintain concentration of activated carbon in organism fluidization pond 1, in above-mentioned aquatic organism pretreatment process, when influent turbidity in combined biological fluidisation pond 1 is lower than below 50NTU, in every day former water, the dosage of gac is 5 ~ 8mg/L, and running cost is low.In the scientific researches such as measurement scattered light intensity, NTU represents " turbidity ", or is used as the unit of turbidity.Owing to containing the particulate of suspension and colloidal state in water, make original water white water produce turbid phenomenon, the degree of its muddiness is called opacity.The unit of opacity represents with " degree ", and when being equivalent to SiO2 (or 1mg white bole, the diatomite) containing 1mg in the water of 1L exactly, the muddy degree produced is 1 degree, or claims Jackson.Turbidity unit is the white bole suspensoid of JTU, 1NTU=1mg/L.The turbidity of modern instrument display is nephelometric turbidity unit NTU, also claims TU.1TU＝1JTU。
The treating nature water organism fluidization pool process of the above-mentioned structural feature of the present invention has significant technical characterstic:
One, using Powdered Activated Carbon body refuse huge for surface-area as bio-carrier, constantly be back to the organism fluidization pond being loaded with floating stuffing, form a kind of combined type treating nature water organism fluidization pond, the surface-area that gac body refuse is huge greatly adds the biomass in floating stuffing fluidisation pond.
Its two, active charcoal sludge slag particle footpath is less, is easy to be uniformly dispersed in liquid, gas two-phase, by aeration aerating, stir built good mass transfer, catalytic oxidation condition, the effect of enhanced biodegradation.
Its three, gac has the adsorption to dissolved organic matter, is beneficial to be attached to microbial film on activated carbon granule and to absorb, and improves removal effect.
They are four years old, active charcoal sludge slag particle footpath is suitable with active sludge size, and strong air agitation impacts, and makes the microorganism updating decision on body refuse surface, enrich the biological Pseudomonas of floating stuffing biological contact-oxidation pool, improve the removal ability to biodegradable dissolved organic matter.
Its five, gac body refuse precipitates, concentrates, refluxes in system flow, and reaction, extends the residence time of gac body refuse in organism fluidization pond, improves body refuse mud age, is beneficial to biological inoculation and biomembranous formation.Meanwhile, gac is reused, and when raw water turbidity is not high (being less than 50NTU), sludge volume is little, only needs supplementary a small amount of gac, has good economy.
Its six, be combined with oxidation technique, by the oxygenizement of ozone or other oxidation technology, change organic attribute in water inlet, form the small molecules being easy to antimicrobial absorbent degraded, improve organic degradation efficiency.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (10)
1. a raw water biological pretreatment system, it is characterized in that, comprise the combined biological fluidisation pond including high density burgy and floating stuffing, with the settling tank of concentrating function, water inlet pipe, water shoot, oxygen supply aeration stirrer, return line and the mixing tank for former water and Powdered Activated Carbon body refuse being mixed to form mixed solution, described mixing tank is arranged at the position near described combined biological fluidisation pond on described water inlet pipe, described oxygen supply aeration stirrer is arranged at bottom described combined biological fluidisation pond, the settling tank of described band concentrating function receives the mixed solution from described combined biological fluidisation pond, gac body refuse is isolated by depositing technology, and utilize described return line described gac body refuse to be back to described water inlet pipe formation circulation.
2. raw water biological pretreatment system as claimed in claim 1, it is characterized in that, described combined biological fluidisation pond comprises pond body, reaction chamber, planar grille, described pond body is connected with described water inlet pipe and described water shoot respectively, described reaction chamber to be arranged in the body of described pond and described pond body is separated into the intake chamber be communicated with described water inlet pipe and the water-supplying chamber be communicated with described water shoot, described planar grille to be arranged in described reaction chamber and the upper space be separated into by described reaction chamber for carrying described floating stuffing and lower space, the filling ratio of described upper space inner suspension filler is 30% ~ 40%, described oxygen supply aeration stirrer is arranged in described lower space.
3. raw water biological pretreatment system as claimed in claim 2, it is characterized in that, the mixed solution being mixed with return activated charcoal body refuse of described intake chamber is entered successively through described lower space through described water inlet pipe, described planar grille, enter described upper space and described floating stuffing grows microbial film as carrier jointly, in abundant oxygenation, stir, under the condition of mass transfer, reaction times keeps more than 1 hour, flow out from described water shoot by by described water-supplying chamber, being separated through settling tank is back in described upper space again, form circulation, and in maintenance mixed solution Powdered Activated Carbon concentration at more than 100mg/L.
4. raw water biological pretreatment system as claimed in claim 2, it is characterized in that, on described oxygen supply aeration stirrer, about 0.8m arranges described planar grille.
5. raw water biological pretreatment system as claimed in claim 1, it is characterized in that, described oxygen supply aeration stirrer comprises aeration house steward, some aeration branch pipes and some aeration heads, described aeration branch pipe is connected with described aeration house steward respectively, and described aeration head distribution is arranged on described aeration branch pipe.
6. raw water biological pretreatment system as claimed in claim 1, it is characterized in that, also comprise a supplementary burgy and add pipe, described supplementary burgy adds pipe for supplementing the gac because of sludge from sedimentation tank loss to the former water entering described mixing tank, and described supplementary burgy adds pipe and is arranged on raw water pipeline or on described water inlet pipe.
7. raw water biological pretreatment system as claimed in claim 1, it is characterized in that, also comprise an ozone and add pipe, described ozone adds pipe and is arranged on raw water pipeline or on described water inlet pipe.
8. raw water biological pretreatment organism fluidization pond as claimed in claim 1, it is characterized in that, described pond body comprises plural described reaction chamber, described planar grille and described keeping aerating apparatus are set in each reaction chamber respectively, and include high density burgy and floating stuffing, connected by training wall between adjacent reaction chamber, make the flow direction of each reaction indoor liquid be that lower space is entered upper space and gone out.
9. a raw water biological pretreatment method, it is characterized in that, adopt as the raw water biological pretreatment system in claim 1-8 as described in any one, described pretreatment process comprises: by initially adding gac, high density gac mixed solution is formed in combined biological fluidisation pond, gac body refuse is isolated by the depositing technology in post precipitation pond, described return line is utilized to be back in described organism fluidization pond by described gac body refuse, form circulation, and in combined biological fluidisation pond, oxygenic aeration is carried out to gac body refuse and floating stuffing, reinforcing mass transfer effect, oxygen needed for biological respinse is provided and promotes contacting of organism and microorganism and described gac body refuse and floating stuffing.
10. aquatic organism pretreatment process as claimed in claim 9, is characterized in that, when the influent turbidity in combined biological fluidisation pond is lower than below 50NTU, in every day former water, the dosage of gac is 5 ~ 8mg/L.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105800879A (en) * | 2016-05-12 | 2016-07-27 | 上海市政工程设计研究总院（集团）有限公司 | Biological carrier reflux contact oxidation pond capable of increasing concentration |
| CN113428973A (en) * | 2020-12-22 | 2021-09-24 | 吴植仁 | Method for sewage treatment by using sludge carbon as biomembrane carrier and filter aid carrying bed |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222714Y (en) * | 1994-04-19 | 1996-03-20 | 北京市环境保护科学研究院 | Mechano-electronic integrated jet aeration three phase biological fluidized bed |
| RU2097332C1 (en) * | 1994-06-30 | 1997-11-27 | Виктор Игнатьевич Тумченок | Biotechnological disposal plant |
| CN201115796Y (en) * | 2007-09-25 | 2008-09-17 | 金州环境股份有限公司 | Percolation clarifying tank |
| CN101985375A (en) * | 2010-08-02 | 2011-03-16 | 朱向宏 | High-efficiency washing method and device for filter adopting expansive filler |
| CN102115293A (en) * | 2010-04-27 | 2011-07-06 | 北京新源国能科技有限公司 | Waste water biochemical treatment method |
| CN202744375U (en) * | 2012-08-02 | 2013-02-20 | 上海市政工程设计研究总院（集团）有限公司 | Biological reaction settling pond for sewage treatment |
| CN103102041A (en) * | 2011-11-11 | 2013-05-15 | 上海市政工程设计研究总院（集团）有限公司 | Sedimentation-biological contact oxidation combined pool and treatment technology therefor |
| CN103570124A (en) * | 2013-11-27 | 2014-02-12 | 杭州创享环境技术有限公司 | Method for waste water deep treatment through steam fluidized biological carrier membrane separation |
| CN204138377U (en) * | 2014-09-07 | 2015-02-04 | 山东益源环保科技有限公司 | Integral activated carbon powder wastewater treatment equipment |
| CN104512960A (en) * | 2013-09-26 | 2015-04-15 | 中国石油化工股份有限公司 | Wastewater biological treatment integrated device and wastewater processing method |
-
2015
- 2015-07-15 CN CN201510413822.7A patent/CN105130095A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222714Y (en) * | 1994-04-19 | 1996-03-20 | 北京市环境保护科学研究院 | Mechano-electronic integrated jet aeration three phase biological fluidized bed |
| RU2097332C1 (en) * | 1994-06-30 | 1997-11-27 | Виктор Игнатьевич Тумченок | Biotechnological disposal plant |
| CN201115796Y (en) * | 2007-09-25 | 2008-09-17 | 金州环境股份有限公司 | Percolation clarifying tank |
| CN102115293A (en) * | 2010-04-27 | 2011-07-06 | 北京新源国能科技有限公司 | Waste water biochemical treatment method |
| CN101985375A (en) * | 2010-08-02 | 2011-03-16 | 朱向宏 | High-efficiency washing method and device for filter adopting expansive filler |
| CN103102041A (en) * | 2011-11-11 | 2013-05-15 | 上海市政工程设计研究总院（集团）有限公司 | Sedimentation-biological contact oxidation combined pool and treatment technology therefor |
| CN202744375U (en) * | 2012-08-02 | 2013-02-20 | 上海市政工程设计研究总院（集团）有限公司 | Biological reaction settling pond for sewage treatment |
| CN104512960A (en) * | 2013-09-26 | 2015-04-15 | 中国石油化工股份有限公司 | Wastewater biological treatment integrated device and wastewater processing method |
| CN103570124A (en) * | 2013-11-27 | 2014-02-12 | 杭州创享环境技术有限公司 | Method for waste water deep treatment through steam fluidized biological carrier membrane separation |
| CN204138377U (en) * | 2014-09-07 | 2015-02-04 | 山东益源环保科技有限公司 | Integral activated carbon powder wastewater treatment equipment |
Non-Patent Citations (1)
| Title |
|---|
| 刘转年等: "《环保设备基础》", 31 January 2013, 中国矿业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105800879A (en) * | 2016-05-12 | 2016-07-27 | 上海市政工程设计研究总院（集团）有限公司 | Biological carrier reflux contact oxidation pond capable of increasing concentration |
| CN113428973A (en) * | 2020-12-22 | 2021-09-24 | 吴植仁 | Method for sewage treatment by using sludge carbon as biomembrane carrier and filter aid carrying bed |
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