CN104787862B - A kind for the treatment of method and apparatus of eutrophication water - Google Patents
A kind for the treatment of method and apparatus of eutrophication water Download PDFInfo
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- CN104787862B CN104787862B CN201510204482.7A CN201510204482A CN104787862B CN 104787862 B CN104787862 B CN 104787862B CN 201510204482 A CN201510204482 A CN 201510204482A CN 104787862 B CN104787862 B CN 104787862B
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
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- Environmental & Geological Engineering (AREA)
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- Analytical Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
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Abstract
A kind of processing method of eutrophication water, using magnetic carbon powder to pollutant reaction efficiency high and response speed fast characteristic, effectively removes the pollution factor such as deliquescent COD, UV254, chromonic material, total nitrogen and total phosphorus in bio-chemical effluent.Using the characteristic sharp separation Measures of Algae in Water Body of magnetic carbon powder autohemagglutination sedimentation, regenerative system carries out regeneration activating process to the algae mud flco after the magnetic carbon powder of adsorption saturation and flocculation algae, realizes magnetic carbon powder repetitive cycling and utilize.The invention also discloses for the device realizing said method.Water outlet after the present invention is processed is limpid, and algae water separation efficiency and cost of disposal are much better than existing other technologies, can get algae mud 300～10000kg that solid content is more than 10% per hour, all has better effects for various eutrophication water quality.
Description
Technical field
The present invention relates to a kind of removal Measures of Algae in Water Body, colloid and fine suspension and nutrient substance are (such as：Nitrogen, phosphorus, Organic substance etc.) method, more particularly to a kind of processing method of eutrophication water.
The invention still further relates to for the device realizing said method.
Background technology
The eutrophication of water body brings very big harm, is one of main water pollution problems faced by the world today.Body eutrophication oneself through causing the extensive attention of people, expand substantial amounts of research around eutrophication water.The critical process of body eutrophication i.e. the process of algae raised growth, algae reproduction is rapid, and growth cycle is short.Decomposed by aerobe after algae and other plankton death, constantly consume the dissolved oxygen in water, or decomposed by anaerobe, constantly produce the gases such as hydrogen sulfide, constantly make water quality deterioration in terms of two, cause Fish and other hydrobiological mortality.Algae and other plankton residuum are in putrefaction process, and the nutrient substance such as nitrogen, phosphorus are released in water, for biological utilisations such as new generation algae.Sudden growth is affected, as the concentration of nitrogen and phosphorus in water body, water temperature, dissolved oxygen, intensity of illumination etc. algae in eutrophication water by several factors.Therefore, separate algae in removal eutrophication water and can not rely solely on physical separation method, also will improve eutrophication water body water quality situation, really could fundamentally suppress the growth of algae.
Eutrophication refers to that phosphorous and nitrogen compound excessively enters water body, destroys original ecological balance, causes algae numerous in a large number, consume the oxygen in water too much, makes Fish, plankton hypoxia death, and their corpse rots to cause the phenomenon of water pollution again.Because these salts are that required for plant increases, therefore, embodying of lake eutrophication is algae " overgrowing " and algal bloom, therefore, remove the importance that the excessive algae in water body is eutrophication control.Wawter bloom is the typical performance of lake eutrophication, and it is that water body excessive plant nutrient substance causes caused by a large amount of growth of algae.
The basic reason of lake eutrophication is the increase of nutrient substance, and cultural eutrophication is the principal element of contemporary lake eutrophication.Carbon, nitrogen, phosphorus are the main limiting factor of a large amount of propagation of shallow lake algae, are also the deciding factor constituting water body in lake eutrophication.Technically, the key eliminating lake eutrophication also resides in the content cutting down the nutrient substance such as nitrogen, the phosphorus of water body in lake, eliminates the basis of Measures of Algae in Water Body overgrowing.Water quality monitoring shows, amount of algae increases by 500 than before 10 years in recent years, and total phosphorus TP, total nitrogen TN increase 6-7 times than nineteen sixty, and algae occurs in that the time becomes morning, lasts long, the trend that scope becomes wide.
Content of the invention
It is an object of the invention to provide a kind of processing method of eutrophication water.
A further object of the present invention is to provide a kind of device for realizing said method.
For achieving the above object, the processing method of the eutrophication water that the present invention provides, its process is as follows：
1) magnetic carbon powder is inputted deep purifying pond, open the blender in deep purifying pond, the supernatant that magnetic carbon powder is inputted with algae water separation tank uniformly mixes, under aeration condition, pollutant are removed by magnetic carbon powder, after completion of the reaction, the disk group starting in advanced treating pond rotates, magnetic carbon powder realizes solid-liquid separation by magnetic autohemagglutination and magnetic absorption, close disk group, open shovel mud bar and scrape magnetic carbon powder input algae water separation tank, the discharge orifice through deep purifying pond for the water body after process is discharged；
2) in algae water separation tank, open the blender of algae water separation tank, magnetic carbon powder is made to be sufficiently mixed with enrichment algae water, solvent pollutant do not form flocculation group in the presence of magnetic carbon powder iron ion for algae in enrichment algae water under aeration condition, colloid and fine suspension etc., flocculation group constantly mutually collides, alumen ustum changes from small to big, and has wrapped up magnetic carbon powder in this flocculation process, thus band is magnetic.Close blender, the disk group starting in algae water separation tank rotates, the algae group of carrying magnetic carbon dust in absorption algae water separation tank；Close disk group, unlatching shovel mud bar scrapes algae mudflow and enters WAR reactor, and the supernatant in algae water separation tank flows to deep purifying pond；
3) in algae mud input WAR reactor, promote magnetic carbon powder dispersion under aeration condition, nano bubble enters carbon dust pore interior makes the pollutant of adhesion in magnetic carbon powder surface and hole decompose desorption, and the mud that magnetic carbon powder is adhered to is oxidized to inorganic matters, and magnetic carbon powder is not destroyed；The disk group starting in WAR reactor rotates, absorptive collection magnetic carbon powder, and unlatching shovel mud bar scrapes the importing of the magnetic carbon powder after regeneration advanced treating pond and reuses；Close disk group and aerator standing concentrating and precipitating, open blender and quickly rotate, the granular residue that wet oxidation cannot be processed, it is isolated under the influence of centrifugal force, discharged by WAR reactor discharge orifice.
In described method, the temperature in WAR reactor is 226～246 DEG C, and pressure is 6～10Mpa.
In described method, the charcoal mud concentration of WAR reactor>9%, suspended solid amount must not be less than 9%, to provide WAR reactor stable sludge quantity.
In described method, the aeration of WAR reactor is O2And O3Alternative aeration, O2For coagulation stirring and clean filler, O3Strengthen the generation process of hydroxyl radical free radical by nanometer aeration.
Provided by the present invention for realizing the device of said method, mainly it is made up of WAR reactor, algae water separation tank, deep purifying pond three part, wherein：
The bottom of WAR reactor is provided with discharge orifice, is provided with disk group above discharge orifice, is provided with shovel mud bar, is provided with nanometer aeration disk, is provided with blender above nanometer aeration disk above shovel mud bar above disk group；
Algae water separation tank bottom is provided with discharge orifice, is provided with disk group above discharge orifice, is provided with shovel mud bar, is provided with nanometer aeration disk, is provided with blender above nanometer aeration disk above shovel mud bar above disk group；
Deep purifying at the bottom of pond portion is provided with discharge orifice, is provided with disk group above discharge orifice, is provided with shovel mud bar, is provided with nanometer aeration disk, is provided with blender above nanometer aeration disk above shovel mud bar above disk group；
The discharge orifice of WAR reactor is provided with, with the discharge orifice in deep purifying pond, the pipeline conveying magnetic carbon powder；
It is provided with pump and the pipeline of conveying supernatant between WAR reactor, algae water separation tank and deep purifying pond；
The pipeline of conveying magnetic carbon powder is set between WAR reactor, algae water separation tank and deep purifying pond；
The nanometer aeration disk of WAR reactor, algae water separation tank and deep purifying pond is respectively connected with a nanometer aeration machine.
In described device, WAR reactor is provided with heat-insulation layer insulation, to reduce thermal loss.
The present invention utilizes magnetic carbon powder to pollutant reaction efficiency high and response speed fast characteristic, effectively removes the pollution factor such as deliquescent COD, UV254, chromonic material, total nitrogen and total phosphorus in bio-chemical effluent.Using the characteristic sharp separation Measures of Algae in Water Body of magnetic carbon powder autohemagglutination sedimentation, regenerative system carries out regeneration activating process to the algae mud flco after the magnetic carbon powder of adsorption saturation and flocculation algae, realizes magnetic carbon powder repetitive cycling and utilize.Stable working state of the present invention, water outlet is limpid, and algae water separation efficiency and cost of disposal are much better than existing other technologies, can get algae mud 300～10000kg that solid content is more than 10% per hour, all has better effects for various eutrophication water quality.
Brief description
Fig. 1 is assembly of the invention structural representation.
Primary clustering symbol description in accompanying drawing：
1-WAR reactor；2- blender；3- algae water separation tank；4- processing procedure current direction；5- deep purifying pond；6- magnetic carbon powder flows to；7- discharge orifice；8- disk group；9- shovels mud bar；10- nanometer aeration disk；11- nanometer aeration machine.
Specific embodiment
The processing meanss of the eutrophication water of the present invention, are mainly made up of WAR reactor 1, algae water separation tank 3, deep purifying pond 5 three part.Wherein：
The bottom of WAR reactor 1 is provided with discharge orifice 7, is provided with disk group 8 above discharge orifice 7, is provided with shovel mud bar 9, is provided with nanometer aeration disk 10, is provided with blender 2 above nanometer aeration disk 10 above shovel mud bar 9 above disk group 8；
Algae water separation tank 3 bottom is provided with discharge orifice 7, is provided with disk group 8 above discharge orifice 7, is provided with shovel mud bar 9, is provided with nanometer aeration disk 10, is provided with blender 2 above nanometer aeration disk 10 above shovel mud bar 9 above disk group 8；
Deep purifying at the bottom of pond portion is provided with discharge orifice 7, is provided with disk group 8 above discharge orifice 7, is provided with shovel mud bar 9, is provided with nanometer aeration disk 10, is provided with blender 2 above nanometer aeration disk 10 above shovel mud bar 9 above disk group 8.
The nanometer aeration disk of WAR reactor, algae water separation tank and deep purifying pond is respectively connected with a nanometer aeration machine 11.
Because the structure of WAR reactor 1, algae water separation tank 3, deep purifying pond 5 three part is identical, only the structure of WAR reactor 1 is made to identify therefore in accompanying drawing.
It is provided with the pipeline of conveying magnetic carbon powder between the discharge orifice in the discharge orifice of WAR reactor and deep purifying pond；It is provided with pump and the pipeline of conveying supernatant between WAR reactor, algae water separation tank and deep purifying pond；The pipeline of conveying magnetic carbon powder is set between WAR reactor, algae water separation tank and deep purifying pond；WAR reactor is provided with heat-insulation layer insulation.About being used between WAR reactor, algae water separation tank and deep purifying pond conveying magnetic carbon powder and the pipeline of supernatant is connected as known technology, also do not mark in accompanying drawing.
The processing method of the eutrophication water of the present invention is：
Magnetic carbon powder input deep purifying pond 5 after WAR reactor 1 is regenerated, deep purifying pond 5 utilizes magnetic carbon powder, make it possess the magnetic carbon powder powder of magnetic uniformly to mix with algae water separation tank 3 supernatant of eutrophication, pollutant are efficiently removed by magnetic carbon powder, after completion of the reaction, start disk group 8 slowly to rotate, magnetic carbon powder realizes solid-liquid sharp separation by magnetic autohemagglutination and magnetic absorption, close disk group 8, open shovel mud bar 9 and scrape magnetic carbon powder input algae water separation tank 3, the water body after process is directly discharged in lake.
The magnetic carbon powder discharged using advanced treating is processed to enrichment algae water, and algae water enters algae water separation tank 3, opens blender 2, is sufficiently mixed magnetic carbon powder with enrichment algae water in the presence of blender 2.Solvent pollutant do not form flocculation group in the presence of magnetic carbon powder iron ion for algae in enrichment algae water, colloid and fine suspension etc., flocculation group constantly mutually collides, alumen ustum changes from small to big, and has wrapped up magnetic carbon powder in this flocculation process, thus band is magnetic.Close blender 2, start disk group 8 and slowly rotate, you can to adsorb algae group magnetic in algae tank；Close disk group 8, open shovel mud bar 9 and scrape algae mud, flow to WAR reactor 1.And the supernatant of the algae water separation tank 3 after disk group 8 absorptive collection magnetic carbon powder, flow to deep purifying pond 5, form the current direction of processing procedure as depicted.
In the algae mud input WAR reactor 1 that algae water separation tank 3 scrapes, open nanometer aeration machine 11, during nanometer aeration, nanometer aeration disk 10 produces ultrasonic effect, the energy exciting can occur and strengthen the generation of free anion, reach advanced oxidation effect, and free anion and its break away from the constraint of covalent bond after leave room, the electric charge carrying with nano bubble surface produces light electrolysis effect simultaneously, two kinds of effect superpositions can promote magnetic carbon powder fully dispersed, and nano bubble can enter carbon dust pore interior and decompose desorption by the pollutant of adhesion in carbon dust surface and hole.
Then carry out wet air regeneration in WAR reactor 1, the mud that magnetic carbon powder is adhered to is oxidized to inorganic matters, and magnetic carbon powder is not destroyed, the magnetic carbon powder having recovered activity returns again to reuse in deep purifying pond 5；Start disk group 8 slowly to rotate, i.e. can be by whole magnetic carbon powder absorptive collections, unlatching shovel mud bar 9 scrapes regeneration magnetic carbon powder importing deep purifying pond 5 and reuses, form the magnetic carbon after WAR reactor 1 regeneration and enter in deep purifying pond 5, then enter algae water separation tank 3 from deep purifying pond 5 again, enter back into the circulation (as the circulation of in figure institute target magnetic carbon powder flow direction) that WAR reactor 1 is regenerated.Close disk group 8, close nanometer aeration machine 11 standing concentrating and precipitating, open blender 2 and quickly rotate, the granular residue that wet oxidation cannot be processed, it is isolated under the influence of centrifugal force, discharged by discharge orifice 7.
The preparation of the magnetic carbon powder of the present invention：Magnetic carbon powder is prepared using uniform sol-gal process.With iron sulfate and carbamide as forerunner, glucose is carbon source, and concrete preparation process is as follows：Take 6.48g iron sulfate and 3.24g carbamide to be dissolved in deionized water, add ethanol (analysis is pure) 0.6g and stir, react 2h under conditions of 90 DEG C.Question response takes out reactants dry, is repeatedly washed to neutrality after terminating, after drying obtains nano-scale magnetic carbon dust with ball mill grinding.
Claims (6)
1. a kind of processing method of eutrophication water：
1) magnetic carbon powder is inputted deep purifying pond, open the blender in deep purifying pond, magnetic
The supernatant that carbon dust is inputted with algae water separation tank uniformly mixes, and is removed by magnetic carbon powder under aeration condition
Pollutant, after completion of the reaction, the disk group starting in deep purifying pond rotates, and magnetic carbon powder passes through magnetic
Property autohemagglutination and magnetic absorption realize solid-liquid separation, close disk group, open shovel mud bar and scrape magnetic carbon
Powder inputs algae water separation tank, and the discharge orifice through deep purifying pond for the water body after process is discharged；
2) in algae water separation tank, open the blender of algae water separation tank, make magnetic carbon powder and enrichment algae
Water is sufficiently mixed, and algae in enrichment algae water under aeration condition, colloid and fine suspension are in magnetic carbon
Form flocculation group, flocculation group constantly mutually collides, and alumen ustum changes from small to big in the presence of powder iron ion, and
And wrapped up magnetic carbon powder in this flocculation process, thus band is magnetic；Close blender, start algae
Disk group in water separation tank rotates, the algae group of carrying magnetic carbon dust in absorption algae water separation tank；Close magnetic
Disk group, unlatching shovel mud bar scrapes algae mudflow and enters WAR reactor, the supernatant liquor stream in algae water separation tank
To deep purifying pond；
3), in algae mud input WAR reactor, magnetic carbon powder dispersion, nanometer are promoted under aeration condition
Bubble enters carbon dust pore interior makes the pollutant of adhesion in magnetic carbon powder surface and hole decompose desorption,
The mud that magnetic carbon powder is adhered to is oxidized to inorganic matters, and magnetic carbon powder is not destroyed；Start WAR
Disk group in reactor rotates, absorptive collection magnetic carbon powder, opens shovel mud bar and scrapes the magnetic after regeneration
Property carbon dust import deep purifying pond reuse；Close disk group and aerator standing concentrating and precipitating, open
Open blender quickly to rotate, the granular residue that wet oxidation cannot be processed, under the influence of centrifugal force
It is isolated, discharged by WAR reactor discharge orifice.
2. method according to claim 1, wherein, temperature in WAR reactor is 226～
246 DEG C, pressure is 6～10Mpa.
3. method according to claim 1, wherein, charcoal mud concentration ＞ 9% of WAR reactor,
Suspended solid amount must not be less than 9%, to provide WAR reactor stable sludge quantity.
4. method according to claim 1, wherein, the aeration of WAR reactor is O2With
O3Alternative aeration, O2For coagulation stirring and clean filler, O3Hydroxyl is strengthened certainly by nanometer aeration
Generation process by base.
5. a kind of device realizing claim 1 methods described, mainly by WAR reactor, algae water
Separate tank, deep purifying pond three part composition, wherein：
The bottom of WAR reactor is provided with discharge orifice, is provided with disk group, in disk group above discharge orifice
Side is provided with shovel mud bar, is provided with nanometer aeration disk, is provided with stirring above nanometer aeration disk above shovel mud bar
Machine；
Algae water separation tank bottom is provided with discharge orifice, is provided with disk group, sets above disk group above discharge orifice
There is shovel mud bar, be provided with nanometer aeration disk above shovel mud bar, above nanometer aeration disk, be provided with blender；
Deep purifying at the bottom of pond portion is provided with discharge orifice, is provided with disk group, sets above disk group above discharge orifice
There is shovel mud bar, be provided with nanometer aeration disk above shovel mud bar, above nanometer aeration disk, be provided with blender；
The discharge orifice of WAR reactor is provided with, with the discharge orifice in deep purifying pond, the pipe conveying magnetic carbon powder
Road；
Be provided between WAR reactor, algae water separation tank and deep purifying pond conveying supernatant pump and
Pipeline；
The pipeline of conveying magnetic carbon powder is set between WAR reactor, algae water separation tank and deep purifying pond；
The nanometer aeration disk of WAR reactor, algae water separation tank and deep purifying pond is respectively connected with one
Nanometer aeration machine.
6. device according to claim 5, wherein, WAR reactor is provided with heat-insulation layer insulation,
To reduce thermal loss.
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| CN201510204482.7A CN104787862B (en) | 2015-04-27 | 2015-04-27 | A kind for the treatment of method and apparatus of eutrophication water |
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| CN108996869A (en) * | 2018-06-25 | 2018-12-14 | 无锡德林海环保科技股份有限公司 | A kind of method of cyanobacteria algal gel deep dehydration volume reduction |
| CN109126719A (en) * | 2018-11-06 | 2019-01-04 | 肖志宇 | A kind of cyanobacteria agent for capturing and preparation method thereof containing the magnetic rice husk that is carbonized |
| CN110386713B (en) * | 2019-07-24 | 2024-05-07 | 青岛思普润水处理股份有限公司 | Super-efficient separation system and method based on magnetic coagulation precipitation and activated carbon adsorption |
| CN113109126A (en) * | 2021-03-09 | 2021-07-13 | 中国环境科学研究院 | Phosphate oxygen isotope enrichment equipment, method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1417135A (en) * | 2002-11-16 | 2003-05-14 | 寇莉祯 | Composition of magnetically conducting board |
| CN2583085Y (en) * | 2002-12-09 | 2003-10-29 | 赵有爽 | High magnetic filter for running water device |
| CN2611357Y (en) * | 2003-03-28 | 2004-04-14 | 刘立群 | Strong magnetic scale cleaner |
| MX2008011466A (en) * | 2006-03-08 | 2008-11-18 | Siemens Water Tech Corp | Wastewater treatment system and method. |
| CN101362612B (en) * | 2007-08-10 | 2010-12-22 | 四川德美环境技术有限责任公司 | Algal bloom pretreatment technology method through rare-earth magnetic disc in water-supply plant |
| CN101289240B (en) * | 2008-02-28 | 2011-03-16 | 中国科学院等离子体物理研究所 | Novel finishing agent for removing algal tufa and treatment method |
| CN101337724A (en) * | 2008-08-22 | 2009-01-07 | 四川德美环境技术有限责任公司 | Magnetic powder recovering and supplying method in water processing process |
| CN101967019A (en) * | 2010-07-28 | 2011-02-09 | 北京绿景长宏能源环保科技有限公司 | High-efficiency magnetic alga removal and oxygenation aeration combined scenic water bloom purifying boat |
| CN101967028A (en) * | 2010-07-28 | 2011-02-09 | 北京绿景长宏能源环保科技有限公司 | High-efficiency purification system integration process for algae, suspended matters and total phosphorus in landscape water body |
| CN201842729U (en) * | 2010-08-30 | 2011-05-25 | 中国科学院高能物理研究所 | Converter turbid recirculating water treatment device by utilizing superconducting high-gradient magnetic field |
| CN102399042A (en) * | 2010-09-08 | 2012-04-04 | 四川冶金环能工程有限责任公司 | Method for treating wastewater by combining adsorbent with magnetic disk separation technology and application thereof |
| CN104150690B (en) * | 2014-07-25 | 2015-10-14 | 席北斗 | A kind of sterilization integrated sewage treatment device and treatment process |
| CN204162489U (en) * | 2014-07-25 | 2015-02-18 | 科泰华(北京)科技有限公司 | A kind of magnetic separating apparatus rapidly and efficiently |
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