CN205907076U - Novel a fragrant fluidized bed - Google Patents
Novel a fragrant fluidized bed Download PDFInfo
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- CN205907076U CN205907076U CN201620656081.5U CN201620656081U CN205907076U CN 205907076 U CN205907076 U CN 205907076U CN 201620656081 U CN201620656081 U CN 201620656081U CN 205907076 U CN205907076 U CN 205907076U
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Abstract
The utility model provides a novel a fragrant fluidized bed, this sweet smell fluidized bed include oxidation tower, sieve, filler A, filler B, fenton oxidation district, indisputable carbon reaction zone, the water distribution region of intaking, go out the pool, go out basin, circulating device and necessary pipe fitting etc.. The utility model provides a handle the method of waste water: adopt novel a fragrant fluidized bed to handle waste water, through annular perforated pipe and bottom sieve water distribution, through the COD and the difficult degradation organic pollutant of fenton reaction reduction waste water, reentrant indisputable carbon reaction zone declines under the electrolysis condition at indisputable carbon, further the difficult degradation organic pollutant in the catalytic oxidation waste water. The utility model provides a fragrant fluidized bed configuration optimization, economical rationality, processing high efficiency.
Description
Technical field
This utility model is related to a kind of wastewater treatment equipment and method and in particular to a kind of new Fenton fluid bed and its place
The method of reason waste water, belongs to technical field of waste water processing.
Background technology
Fenton chemical oxidization method is application hydrogen peroxide (h2o2) and ferrous ion (fe2+) reaction generation hydroxyl free radical
Principle, carries out aoxidizing the reaction of organic pollution, is a kind of advanced oxidation treatment technology.Fenton fluid bed is to utilize fluidized bed
Pattern so that ferric iron major part produced by fenton method is crystallized or precipitate on the carrier surface being coated on fluidized bed,
It is one and combine homophase chemical oxidation (fenton method), out-phase chemical oxidation (h2o2/ feooh), fluidized bed crystallization and feoh
The function such as reduction of dissolved new technique.Traditional fenton oxidizing process has been made significantly to improve by this technology, so may be used
Reduce and substantial amounts of chemical sludge is produced using traditional fenton method, the iron oxides simultaneously being formed on carrier surface have out-phase
The effect of catalysis, and the pattern of fluidized bed also promotes chemical oxidation reaction and mass-transfer efficiency, so that cod clearance is lifted.Its
Reacted water outlet, can produce iron containing sludge after the adjustment of ph value.It is that hydrogen peroxide dosing can be utilized from another advantage of this system
Amount adjustment, the removal amount of adjustment cod.So by can effective control waste water cod concentration of emission.
Iron-carbon micro-electrolysis are to utilize Principles of Metal Erosion, form the technique that galvanic element is processed to waste water, also known as interior electricity
Solution.Micro electrolysis tech is in the case of cold, the current potential being produced using the micro-electrolysis material being filled in waste water itself
Difference carries out electrolysis process to waste water, to reach the purpose of degradable organic pollutant.
Chinese patent " a kind of improved Fenton fluidized bed waste water treatment device " (202139138u), discloses a kind of dress
Put, including ferrum bed micro-electrolysis reaction device, Fenton fluid bed, middle tank, water circulating pump, multi-function jet device, air intlet,
Oxidant adds mouth, fluid bed water inlet, oxidant storage tank;The ferrum bed of ferrum bed micro-electrolysis reaction device catchments outlet, centre
Tank, the fluid bed water inlet of multi-function jet device are sequentially connected, the outlet of multi-function jet device and Fenton fluid bed water inlet
It is connected, multi-function jet device water inlet is connected with water circulating pump outlet, and water circulating pump water inlet is connected with recirculated water bailing pipe,
Oxidant storage tank adds mouth to be connected with the oxidant of multi-function jet device.Chinese patent " meet an urgent need and quickly locate by complicated heavy metal wastewater thereby
Reason method " (102603103a) discloses its treatment process, and including micro-electrolysis reaction and Fenton's reaction, micro-electrolysis reaction is in ferrum carbon
Carry out on fluid bed, separated out during micro-electrolysis reaction by exposed heavy metal ion in the waste water of leading portion step and be
Monomer heavy metal;Fenton's reaction is carried out in Fenton reactor, and hydrogen peroxide is added in Fenton reactor, hydrogen peroxide with useless
Water enters Fenton reactor and carries out Fenton's reaction, the cyanide in further Decomposition Wastewater and other complex type organic, fall
The COD of low waste water.In above-mentioned patent, ferrum bed micro-electrolysis reaction device and Fenton's reaction device are respectively provided with, technique stream
Journey is complicated, and floor space is big, and equipment is complicated.Chinese patent " circulation speed change fluid bed Fenton catalytic oxidizing equipment "
(204490649u) a kind of, the Fenton fluidized bed plant internal structure such as " Fenton fluid bed and its method of work " (102774953a)
Complexity, work efficiency is not high.
By existing document it is known that part Fenton fluid bed has an internal structure complicated, the not high problem for the treatment of effeciency,
There are, in ferrum-carbon bed electrolysis and Fenton fluid bed group technology, the problem that equipment is many, investment is big.
Content of the invention
The technical problem solving: the purpose of this utility model is for overcoming the deficiencies in the prior art, providing a kind of structure excellent
Change, economical rationality, process efficiently new Fenton fluid bed.
Technical scheme:
In order to realize the purpose of this utility model, the technical solution adopted in the utility model is:
A kind of new Fenton fluid bed, mainly includes oxidizing tower, sieve plate, filler a, filler b, Fenton oxidation area, ferrum carbon
Reaction zone, water inlet water distribution area, exhalant region, effluent trough, circulating device, charge door, slag-drip opening, sulphuric acid drug-feeding tube, hydrogen peroxide enter medicine
Pipe, ferrous sulfate drug-feeding tube and raw water water inlet pipe.
Oxidizing tower is cylindrical shape, and three pieces of sieve plates are divided into oxidizing tower from bottom to top into water water distribution area, Fenton oxidation area, ferrum carbon
Reaction zone and exhalant region;Added with filler a, ferrum carbon reaction zone is added with filler b in Fenton oxidation area;Circulating device be connected to effluent trough and
The bottom water inlet pipe of tower body and middle part water inlet pipe;Sulphuric acid drug-feeding tube, hydrogen peroxide drug-feeding tube, ferrous sulfate drug-feeding tube and raw water water inlet
Pipe all accesses bottom water inlet pipe;Slag-drip opening is located at tower body bottom;Charge door is located at top and the reaction of ferrum carbon in Fenton oxidation area
The top in area.
Further, sulphuric acid drug-feeding tube, hydrogen peroxide drug-feeding tube, ferrous sulfate drug-feeding tube and raw water water inlet pipe are mounted on adjusting
The regulating valve of amount of restriction;Two water inlet pipes of circulating device are mounted on adjusting the regulating valve of flow.
Further, its filler of Fenton fluid bed a adopts quartz sand, and, in 0.5 ~ 1.5 mm, ferrum carbon is anti-for the particle diameter of quartz sand
Answer the filler b of area's setting, using active carbon fiber felt;First zeroth order nanometer is loaded on active carbon fiber felt using liquid phase reduction
Ferrum, refills and inserts ferrum carbon reaction zone;Active carbon fiber felt, is placed in netted intersection between upper strata sieve plate and middle sieve plate.
Further, the sieve plate of Fenton fluid bed, its percent opening is 30 ~ 50%, and perforate is uniformly distributed, and aperture is not more than
2mm.
Further, accessing pending water accesses the bottom water inlet pipe of Fenton fluid bed through raw water water inlet pipe, then is worn by annular
Hole pipe and bottom sieve plate water distribution.
A kind of method of new Fenton fluidized bed processing waste water, comprises the steps:
(1) waste water is conveyed into Fenton fluid bed inhalant region through intake pump, by annular perforations pipe and bottom sieve plate water distribution;
(2) waste water enters the Fenton oxidation area of Fenton fluid bed, passes through medicine system difference in Fenton fluid bed simultaneously
Add h2so4Solution, feso4Solution and h2o2Water section in effluent trough is flowed back into Fenton fluid bed by reflux pump by solution
Interior, make the filler a in Fenton fluid bed assume fluidisation state, reduce cod and the difficult degradation organic contamination of waste water by Fenton's reaction
Thing index;Adjust return flow, control the height that filler expands to be less than middle sieve plate;
(3) waste water enters ferrum carbon reaction zone through middle sieve plate, under the conditions of iron-carbon micro-electrolysis, difficult in catalysis oxidation waste water
Degradable organic pollutant;
(4) waste water through iron-carbon micro-electrolysis catalysis oxidation passes through upper strata sieve plate, enters in effluent trough through effluent weir, by going out
Water pipe enters next processing unit;
(5) connect circulating device in the effluent trough of top, divide two water inlet pipes to be respectively fed to bottom and the ferrum in Fenton oxidation area
The bottom of carbon reaction zone, backflow flow of inlet water is respectively q1And q2, q1With q2With m3/ d meter ratio is 8:1 ~ 10:1.
Further, during Fenton fluidized bed processing, h2o2With cod, ratio is counted for 2 ~ 4:1 with mg/l, h2o2With fe2+
Mol ratio be 3 ~ 5:1, the mean residence time in Fenton oxidation area for the waste water controls at 0.5 ~ 1.5 hour, and waste water is anti-in ferrum carbon
The mean residence time answering area controlled at 15 ~ 45 minutes, adjusted waste water in Fenton fluid bed by medicine system and online ph meter
Ph value so as to maintain between 3.0 ~ 4.0.
Further, active carbon fiber felt, after the zeroth order Nanoscale Iron of load consumes, fiber felt is taken out, uses liquid
Phase reducing process regenerates, recycled.
Ultimate principle is summarized as follows.
(1) waste water is conveyed into Fenton fluid bed inhalant region through intake pump, by bottom water inlet pipe and bottom sieve plate water distribution.
Bottom water inlet pipe is annular perforations pipe, is fixed between bottom sieve plate and bottom of towe conical surface construction by support, and downwards, water outlet is sprayed for perforate
To bottom of towe conical surface construction, bottom of towe conical surface construction plays reflection cushioning effect, also acts as and converges the quartz sand filler leaking down to deslagging
The effect of mouth.Bottom sieve plate simultaneously works as support filler a and to the effect carrying out rectification.
(2) waste water enters Fenton fluid bed Fenton oxidation area, passes through medicine system simultaneously and adds respectively in Fenton fluid bed
Enter h2so4Solution, feso4Solution and h2o2Solution, by reflux pump by the water in effluent trough, partly flows back into Fenton fluid bed
Interior, make to present fluidisation state in Fenton fluid bed, organic by part cod and most difficult degradation of Fenton's reaction removal waste water
Pollutant (are difficult to biodegradable organic pollution, also known as characteristic contamination or characteristic organic pollutants);Adjust backflow stream
Amount, controls the height that filler expands to be less than middle sieve plate.
The principle of Fenton fluidized bed process: by the use of carrier as crystallization nuclear species, pending waste water and interpolation medicament are by sweet smell
The fluidized-bed bottom that pauses enters into and up flowing.It is circumscribed with a backflow water loop, in order to adjust into flowing water degree of supersaturation and to reach load
Body upstream speed makes carrier surface form stable state crystalline solid, after crystal particle diameter reaches 2.5mm ~ 3mm, discharges and carries out reclaiming outside groove again
Using.Fenton fluidized bed process makes ferric iron major part produced by fenton method be crystallized using the pattern of fluid bed or heavy
Form sediment, be coated on the carrier surface of liquid bed, be one and combine homophase chemical oxidation (fenton method), out-phase chemical oxidation
(h2o2/ feooh), fluid bed crystallization etc. function new technique.Traditional fenton oxidizing process has been made significantly by this technology
Improvement, so can reduce using traditional fenton method and produce substantial amounts of chemical sludge, the ferrum oxygen simultaneously being formed in carrier surface
Compound has the effect of heterocatalysis, and the pattern of fluid bed also promotes chemical oxidation reaction and mass-transfer efficiency, so that cod is removed
Rate is lifted.Its reacted go out flowing water through ph value adjustment after can produce iron containing sludge.Iron containing sludge reduces than traditional Fenton oxidation
70%, also reduce h2o2The waste of medication, can be utilized the adjustment of hydrogen peroxide chemical feeding quantity simultaneously, adjusts cod removal amount, achieve effective control
The reduction of the cod of waste water, is the guarantee of wastewater treatment qualified discharge.Fenton process is as one kind of advanced oxidation, this practicality simultaneously
Novel main will efficiently make difficult degradation using Fenton process to be difficult to biodegradable organic pollution except the most of waste water
Organic pollution chain rupture, open loop, resolve into small organic molecule, improve the biodegradability of waste water it is easy at follow-up biology
Reason unit is further processed.
(3) waste water enters ferrum carbon reaction zone through middle sieve plate, under the conditions of iron-carbon micro-electrolysis, difficult in catalysis oxidation waste water
Degradable organic pollutant.Micro electrolysis tech is a kind of ideal technology processing high concentrated organic wastewater at present.It is in no power
In the case of, using the potential difference that the micro-electrolysis material being filled in waste water itself produces, electrolysis process is carried out to waste water, to reach
Purpose to degradable organic pollutant.Middle sieve plate plays the effect of support ferrum carbon reaction zone filler and rectification.
Activated carbon fiber is the carbon fiber-containing through overactivation, by certain carbon fiber-containing (as phenolic aldehyde base fiber, pan base fiber,
Glutinous glue based fibre, pitch-based fiber etc.) through high-temperature activation (different activation method activation temperatures is different) so as to surface produce
Raw nano level aperture, increases specific surface area, thus changing its physicochemical characteristic.The fibre diameter of activated carbon fiber is 5 ~ 20 μm,
Specific surface area is averagely in 1000 ~ 1500m2/ g about, average pore size is uniformly distributed in fiber surface in 1.0 ~ 4.0nm, micropore.With
Activated carbon is compared, and activated carbon fiber micropore size is little and uniform, and structure is simple, fast for the absorption small-molecule substance rate of adsorption,
Adsorption rate is high, easy desorption.Big with the contact area of adsorbate, and adsorbing material can be made with uniform contact and absorption
It is fully utilized.
Zero-valent Iron current potential e0(fe2+/ fe)=- 0.44 v, electronegativity is very big, and chemical property is more active, has relatively
Strong reducing property, can be with the stronger compound of reduction-oxidation, ion and some Organic substances.Zero-valent Iron, not only can drop
The chlorinatedorganic of Xie Shuizhong is moreover it is possible to absorbing and reducing removes heavy metal substance, azo dye, nitro-aromatic compound, nitric acid
The multiple pollutant matter such as salt, perchlorate.Nanoscale Iron refers to zero-valent iron particle in the range of 1 ~ 100 nm for the particle diameter.It has with
Lower feature: 1. specific surface area is big.According to measuring and calculating, Nanoscale Iron specific surface area is 33.5 m2/ g, and common iron powder is only 0.9 m2/g.②
Zero-valent Iron has reproducibility in itself, and the skin effect due to nano material, and its active center is increased with the increase of surface area,
Therefore Nanoscale Iron shows higher reproducibility.
Mainly use the zeroth order Nanoscale Iron of activated carbon fiber and load in this utility model, form the ferrum carbon electricity of light electrolysis
Pond.Using the potential difference that the micro-electrolysis material being filled in waste water itself produces, electrolysis process is carried out to waste water, catalytic degradation gives up
Organic substance in water.Active carbon fiber felt, after the zeroth order Nanoscale Iron of load consumes, fiber felt is taken out, uses liquid phase
Reducing process regenerates, recycled.
Waste water through iron-carbon micro-electrolysis catalysis oxidation passes through upper strata sieve plate, enters in effluent trough through effluent weir, by water outlet
Pipe enters next processing unit.Upper strata sieve plate plays the effect of retention filler.
Circulating device is connected, points of two water inlet pipes are respectively fed to the bottom in Fenton oxidation area and ferrum carbon is anti-in the effluent trough of top
Answer the bottom in area, backflow flow of inlet water is respectively q1And q2, q1With q2With m3/ d meter ratio is 8:1 ~ 10:1.Recirculated water is respectively connected to
Bottom water inlet pipe and middle part water inlet pipe.Middle part water inlet pipe is also annular perforations pipe, and perforate is upwards.Middle part water inlet pipe is by side supports
It is fixed under the sieve plate of middle part.Generally, with the bottom in Fenton oxidation area, backflow flow of inlet water is q1Based on, ferrum carbon is anti-
Answer the lower return q in area2The ratio accounting for is less, and Main Function is the blocking preventing middle sieve plate.
Beneficial effect: this utility model is had the beneficial effect that compared with existing Fenton fluid bed.
1st, in the device that this utility model provides, Fenton oxidation area and ferrum carbon reaction zone, technique composition rationally, by Fenton oxygen
Change and organically combine with micro-electrolysis reaction, each unit function mutually promotes support so that the organic removal rate of entirety improves, especially
It is efficiently so that persistent organic pollutants chain rupture, open loop, resolving into small organic molecule.General with co-content and treating capacity
Logical Fenton fluid bed is compared, in the case of water inlet indices and added pharmaceutical quantities identical, the device that this utility model provides
Overall cod clearance 5 ~ 10% can be improved with method, the clearance of the organic pollution of difficult for biological degradation can be improved with 10 ~
20%, the biodegradability improving waste water is it is easy to be further processed in follow-up biological processing unit.
2nd, the method for operation of the branch's dual reflux providing in this utility model, solving Fenton oxidation area filler should not expand
Fluidize too high problem, prevent the blocking of middle sieve plate simultaneously.The setting of three pieces of sieve plates and branch dual reflux are coordinated, and use
The optimization of the hydraulics such as the water distribution effect of simple constitution realization and rectification;Ji Shi Fenton oxidation area filler assumes normal stream
Change state, so that the filler of ferrum carbon reaction zone is retained and keep.
3rd, the filler b activated carbon fiber of ferrum carbon reaction zone setting in this utility model and the zeroth order Nanoscale Iron loading, no
It is same as traditional iron filings, it is to avoid iron filings hardened problems.Organic substance in filler b catalytic degradation waste water, the ferrous iron of generation
Ion goes successively to Fenton oxidation area and is reacted;Active carbon fiber felt, desirable after the zeroth order Nanoscale Iron of load consumes
Go out regeneration, make ferrum carbon reaction zone keep highly effective reaction;The reaction of ferrum carbon reaction zone plays a driving role to the reaction of Fenton oxidation area, Fenton
Zoneofoxidation reaction is dissolved and is solved generation material -- the ferrous ion of ferrum carbon reaction zone reaction.
Brief description
The structural representation of a kind of new Fenton fluid bed that Fig. 1 provides for this utility model.
The bottom water inlet pipe top view of a kind of new Fenton fluid bed that Fig. 2 provides for this utility model.
The sieve plate top view of a kind of new Fenton fluid bed that Fig. 3 provides for this utility model.
The top view of active carbon fiber felt is loaded in the ferrum carbon reaction zone of the fluid bed that Fig. 4 provides for this utility model.
Wherein, 1 raw water inlet water tank, 2 intake pumps, 3 raw water water inlet pipes, 4 sulphuric acid drug-feeding tubes, 5 hydrogen peroxide enter
Pencil, 6 ferrous sulfate drug-feeding tubes, 7 oxidizing towers, 8 bottom water inlet pipes, 9 water inlet water distribution area, 10 sieve plates, 11 sweet smell
Zoneofoxidation, 12 filler a, 13 ferrum carbon reaction zones, 14 filler b, 15 exhalant regions, 16 circulating device, 17 water outlets
Weir, 18 effluent troughs, 19 outlet pipes, 20 middle part water inlet pipes, 21 charge doors, 22 slag-drip openings, 23 supports, 24 towers
Base cone face, 25 reflux pumps, 26 regulating valves.
Specific embodiment
Following examples further illustrate content of the present utility model, but should not be construed as to restriction of the present utility model.
In the case of without departing substantially from this utility model spirit and essence, modification that this utility model method, step or condition are made and
Replace, belong to scope of the present utility model.If not specializing, in embodiment, technological means used are people in the art
Conventional meanses known to member.
Embodiment 1
Certain chemical enterprise comprehensive wastewater, after necessary pretreatment, cod≤3000mg/l in waste water, ph 6.5 ~ 8.5, ss
≤ 150mg/l, characteristic contamination chlorobenzene class≤50mg/l, need to be processed.
Advanced oxidation process is carried out using the new Fenton fluid bed that this utility model provides.A kind of processing meanss: Fenton
Fluidized bed plant, mainly includes oxidizing tower, sieve plate, filler a, filler b, Fenton oxidation area, ferrum carbon reaction zone, water inlet water distribution
Area, exhalant region, effluent trough, circulating device, charge door, slag-drip opening, sulphuric acid drug-feeding tube, hydrogen peroxide drug-feeding tube, ferrous sulfate enter medicine
Pipe and raw water water inlet pipe;Oxidizing tower is cylindrical shape, and three pieces of sieve plates are divided into oxidizing tower from bottom to top into water water distribution area, Fenton oxidation
Area, ferrum carbon reaction zone and exhalant region;Added with filler a, ferrum carbon reaction zone is added with filler b in Fenton oxidation area;Circulating device is connected to
The bottom water inlet pipe of effluent trough and tower body and middle part water inlet pipe;Sulphuric acid drug-feeding tube, hydrogen peroxide drug-feeding tube, ferrous sulfate drug-feeding tube and
Raw water water inlet pipe all accesses bottom water inlet pipe;Slag-drip opening is located at tower body bottom;Charge door be located at Fenton oxidation area top and
The top of ferrum carbon reaction zone.Sulphuric acid drug-feeding tube, hydrogen peroxide drug-feeding tube, ferrous sulfate drug-feeding tube and raw water water inlet are mounted on adjusting
The regulating valve of flow;Two water inlet pipes of circulating device are mounted on adjusting the regulating valve of flow.Sieve-plate aperture ratio is 40%, and
It is uniformly distributed, aperture is not more than 2mm.The filler a in Fenton oxidation area adopts quartz sand, the particle diameter of quartz sand in 0.5 ~ 1.5 mm,
The filler b of ferrum carbon reaction zone setting, using active carbon fiber felt;First load zero on active carbon fiber felt using liquid phase reduction
Valency Nanoscale Iron, refills and inserts ferrum carbon reaction zone;Active carbon fiber felt, be placed in netted intersection upper strata sieve plate and middle sieve plate it
Between.
Process the method and step of waste water: waste water is conveyed into Fenton fluid bed inhalant region through intake pump, by annular perforations
Pipe water distribution and bottom sieve plate water distribution;Waste water enters Fenton fluid bed Fenton oxidation area, passes through medicine system simultaneously and fluidizes to Fenton
It is separately added into h in bed2so4Solution, feso4Solution and h2o2Water section in effluent trough is flowed back into by solution by reflux pump
In Fenton fluid bed, make to present fluidisation state in Fenton fluid bed, part cod and most of chlorine in waste water are removed by Fenton's reaction
Benzene class organic pollution;Adjust return flow, control the height that filler expands to be less than middle sieve plate;Waste water is through middle sieve
Plate enters ferrum carbon reaction zone, under the conditions of iron-carbon micro-electrolysis, persistent organic pollutants in catalysis oxidation waste water;Through the micro- electricity of ferrum carbon
The waste water of solution catalysis oxidation passes through upper strata sieve plate, enters in effluent trough through effluent weir, enters next processing unit by outlet pipe;
Circulating device is connected, point two water inlet pipes are respectively fed under the bottom and ferrum carbon reaction zone in Fenton oxidation area in the effluent trough of top
Portion, backflow flow of inlet water is respectively q1And q2, q1With q2With m3/ d meter ratio is 8:1.
During Fenton fluidized bed processing, h2o2Concentration ratio (mg/l) with cod is 2.5:1, h2o2With fe2+Mol ratio
For 4:1, the mean residence time in Fenton oxidation area for the waste water controls at 1 hour, and waste water is in the average stop of ferrum carbon reaction zone
Between control at 30 minutes, by medicine system and online ph meter adjust Fenton fluid bed in waste water ph value, so that ph value is maintained
Between 3.0~4.0.
Effluent index cod≤1800mg/l after process, ph 6.5~8.5, ss≤70mg/l, characteristic contamination concentration chlorobenzene
Class≤8mg/l.
Because the clearance pursuing too high cod can make equipment manufacturing cost greatly increase with service requirement expense, Fenton stream
Change the advanced oxidation process that bed belongs to front end, in whole handling process, typically also have anaerobism, Aerobic biological process and advanced treating
Unit, the clearance therefore controlling cod is both economical rational 40% about, the removal of characteristic contamination chlorobenzene class simultaneously
Rate reaches more than 80%, has reached the process target of chemical oxidation unit, and that is, a certain degree of cod reducing waste water, simultaneously right
Characteristic contamination obtains higher clearance.
Claims (5)
1. a kind of Fenton fluid bed it is characterised in that: mainly include oxidizing tower, sieve plate, filler a, filler b, Fenton oxidation area,
Ferrum carbon reaction zone, water inlet water distribution area, exhalant region, effluent trough, circulating device, charge door, slag-drip opening, sulphuric acid drug-feeding tube, hydrogen peroxide
Drug-feeding tube, ferrous sulfate drug-feeding tube and raw water water inlet pipe;
Oxidizing tower is cylindrical shape, and three pieces of sieve plates are divided into oxidizing tower from bottom to top into water water distribution area, Fenton oxidation area, the reaction of ferrum carbon
Area and exhalant region;Added with filler a, ferrum carbon reaction zone is added with filler b in Fenton oxidation area;Circulating device is connected to effluent trough and tower body
Bottom water inlet pipe and middle part water inlet pipe;Sulphuric acid drug-feeding tube, hydrogen peroxide drug-feeding tube, ferrous sulfate drug-feeding tube and raw water water inlet pipe are equal
Access bottom water inlet pipe;Slag-drip opening is located at tower body bottom;Charge door is located at the top in Fenton oxidation area and ferrum carbon reaction zone
Top.
2. the Fenton fluid bed according to claim 1 it is characterised in that: described sulphuric acid drug-feeding tube, hydrogen peroxide enter medicine
Pipe, ferrous sulfate drug-feeding tube and raw water water inlet pipe are mounted on adjusting the regulating valve of flow;Two water inlet pipes of circulating device are equal
The regulating valve adjusting flow is installed.
3. the Fenton fluid bed according to claim 1 it is characterised in that: filler a adopts quartz sand, described quartz sand
Particle diameter in 0.5 ~ 1.5 mm, the filler b of described ferrum carbon reaction zone setting, using active carbon fiber felt;First adopt liquid phase also
Former method loads zeroth order Nanoscale Iron on active carbon fiber felt, refills and inserts ferrum carbon reaction zone;Described active carbon fiber felt, in net
Shape intersection is placed between upper strata sieve plate and middle sieve plate.
4. the Fenton fluid bed according to claim 1 it is characterised in that: the percent opening of sieve plate is 30 ~ 50%, and perforate is equal
Even distribution, aperture is not more than 2mm.
5. the Fenton fluid bed according to claim 1 it is characterised in that: accessing pending water through raw water water inlet pipe access Fenton
The bottom water inlet pipe of fluid bed, then pass through annular perforations pipe and bottom sieve plate water distribution.
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CN201620656081.5U CN205907076U (en) | 2016-06-29 | 2016-06-29 | Novel a fragrant fluidized bed |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107473364A (en) * | 2017-08-01 | 2017-12-15 | 大连海事大学 | A kind of Fenton fluid bed catalytic type filler and preparation method thereof |
CN110040901A (en) * | 2019-05-13 | 2019-07-23 | 上海明奥环保科技有限公司 | It is a kind of can sludge reuse light electrolysis/heterogeneous Fenton fluidized-bed process and device |
-
2016
- 2016-06-29 CN CN201620656081.5U patent/CN205907076U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107473364A (en) * | 2017-08-01 | 2017-12-15 | 大连海事大学 | A kind of Fenton fluid bed catalytic type filler and preparation method thereof |
CN110040901A (en) * | 2019-05-13 | 2019-07-23 | 上海明奥环保科技有限公司 | It is a kind of can sludge reuse light electrolysis/heterogeneous Fenton fluidized-bed process and device |
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