CN205473259U - Integration continuous type fenton oxidation reduction sewage treatment device - Google Patents
Integration continuous type fenton oxidation reduction sewage treatment device Download PDFInfo
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- CN205473259U CN205473259U CN201620201385.2U CN201620201385U CN205473259U CN 205473259 U CN205473259 U CN 205473259U CN 201620201385 U CN201620201385 U CN 201620201385U CN 205473259 U CN205473259 U CN 205473259U
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Abstract
The utility model discloses a does integration continuous type fenton oxidation reduction sewage treatment device belong to sewage treatment technical field, by high concentration equalizing basin, low concentration equalizing basin, fe C micro cell, fenton oxidation pond, sedimentation tank, oxygen deficiency pond, contact oxidation tank, MBR pond, composite Biological filtering pond and sludge impoundment are constituteed. Is each reaction tank for serial and the parallel structure mode that combines together, by high concentration equalizing basin, fe in this equipment C micro cell, fenton oxidation pond, sedimentation tank, oxygen deficiency pond, contact oxidation tank, MBR pond and composite Biological filtering pond connect gradually backward in the past and constitute serial structure, the low concentration equalizing basin is parallel with the high concentration equalizing basin, directly is connected with the sedimentation tank, composite Biological filtering pond and sludge impoundment are parallel, and sewage gets into discharge system behind the composite Biological filtering pond, and settled sludge gets into the sludge impoundment and carries out subsequent processing. Be applicable to high concentrations such as various chemical industry, pharmacy, the dirty treatment of water of severe.
Description
Technical field
This utility model belongs to technical field of sewage, relates to sewage disposal device, especially integral continuous Fenton oxidation-reduction sewage disposal device.
Background technology
Chemical industry, pharmacy sewage often have the features such as concentration height, complicated, toxicity is big, biodegradability is poor, and therefore chemical engineering sewage is one of sewage kind difficult to deal with in sewage treatment area.At present, chemical industry, pharmacy sewage use more technology mainly to have physico-chemical process and biochemical process two kinds in processing, it is unstable in actual applications to there is water quality reaching standard situation in two kinds of technology, or investment construction cost is excessive, energy consumption with O&M costly, considerably increase enterprise governance sewage cost.With social progress, the enhancing of people's environmental consciousness, environmental conservation is focused more on by various circles of society, effective method must be taked to process for severe sewage so that it is to reach state sewage emission standard.
The invention of application number 201310584440.1, the modular Fenton reagent disclosing a kind of interlocked control processes method for waste water and device, makes waste water continue through the first regulating reservoir, the second regulating reservoir, Strong oxdiative reaction tank, pH value readjustment pond and five reaction tanks of flocculation basin successively.Waste water regulates pH value in the first regulating reservoir, and waste water enters addition H in the second regulating reservoir2O2, make the oxidation reduction potential control of waste water in Strong oxdiative Ying Chi at 1.8V-2.8V, add sodium hydroxide in pH value readjustment pond, make pH value of waste water adjust back, finally make waste water enter flocculation basin, flocculation basin adds flocculant.Disclosed in this patent, device is obvious for common wastewater treatment efficiency, but it is more for impurity, there is the severe sewage disposals such as the industry of a large amount of mud, pharmacy and there is drawback-lack Treatment of Sludge place, effective process means are lacked for sewage disposal process precipitation, the mud of formation, easily causes the secondary harm of sewage disposal.
Utility model content
This utility model is for solving the deficiencies in the prior art, it is provided that integral continuous Fenton oxidation-reduction sewage disposal device, to realize the qualified discharge of the severe sewage such as chemical industry, pharmacy.
The technical solution of the utility model is as follows:
Integral continuous Fenton oxidation-reduction sewage disposal device, is made up of high concentration regulating reservoir, low concentration regulating reservoir, Fe-C micro cell, Fenton oxidation pond, sedimentation tank, anoxic pond, contact-oxidation pool, MBR (membrane biological reaction) pond, complex biological filter and sludge-tank.In this sewage disposal device, each reaction tank is serial and parallel combined structure pattern, high concentration regulating reservoir, Fe-C micro cell, Fenton oxidation pond, sedimentation tank, anoxic pond, contact-oxidation pool, MBR pond and complex biological filter are sequentially connected with from front to back and constitute serial structure；Low concentration regulating reservoir is parallel with high concentration regulating reservoir, is directly connected with sedimentation tank；Complex biological filter and sludge-tank are parallel, and sewage enters exhaust system after complex biological filter, and precipitating sludge enters sludge-tank and carries out subsequent treatment.
The severe sewage such as chemical industry, pharmacy separately flows into high concentration regulating reservoir and low concentration regulating reservoir according to its concentration level by tubing, the sewage in high concentration regulating reservoir is carried out to the regulation of water quality, the water yield, pH value so that it is pH value maintains 3-4 rank.
After high concentration regulating reservoir, sewage pumps in Fe-C micro cell.The mixed fillers of iron filings and carbon granule it is filled with inside Fe-C micro cell, after the sewage of pH value 3-4 enters Fe-C micro cell, under acid medium effect, miniature galvanic cell chemical reaction is formed between ferrum and charcoal, discharge [H] that activity is extremely strong, now pH value of sewage water is 5-6, and nascent state [H] can be with the many component generation redox reaction in solution under weak acid environment.After Fe-C micro cell, the Organic substance in sewage is all aoxidized, and COD is greatly reduced, and biodegradability is greatly improved, the Fe of generation2+Can trap.
Sewage enters Fenton oxidation pond through Fe-C micro cell, adds H in Fenton oxidation pond2O2, and keep Fe2+Concentration is about 0.5mg/l, H2O2Concentration is 4mg/l, can form oxidisability higher Fenton (Fenton) reagent, reacts 30～60min, generates the hydroxyl radical free radical of strong oxidizing property through redox reaction, carries out the open loop chain rupture oxidation of organic pollution.The Fe of nascent state also has higher activity, generates Fe2+, along with reaction is carried out further, formed with Fe2+Floccule body for the center that is gelled.
The Fe that Fenton oxidation generates2+Can trap, hold under the arm and wrap up in and adsorb the suspension colloid coprecipitated effect of generation, now add composite flocculation agent PAC and regulation pH value of sewage water is 7-8, then enter reaction flocculation in sedimentation tank with low concentration regulating reservoir sewage in the lump.After flocculation reaction, the little granule in waste water, particle suspension thing flocculate into bulky grain float further, thus improve its settleability, and the mud after precipitation is from flowing into sludge-tank.
Waste water after precipitation reason, its SS, CODcr, BOD5Being substantially reduced Deng contamination index, water outlet flows into anoxic pond.Anoxic pond built-in biological filler, it is possible to decrease the turnover rate of activated sludge, the further dirty Organic substance in water of degraded, the oxidation operation making macromole be combined chain is the Organic substance of little molecule strand, and improves the biodegradability of sewage.
Sewage flows into contact-oxidation pool through anoxic pond, carries out aeration aerobic reaction.Blower fan is used to provide air to carry out aeration for contact-oxidation pool, utilizing built-in high-performance bio filler in pond, in Aerobic Pond, biological activity is high, and microorganism is attached to substantial amounts of biomembrane at filling surface, by biomembrane, sewage being swapped biochemical treatment, the pollution index of sewage is greatly reduced.
Sewage enters MBR pond through contact-oxidation pool, carries out ultrafilter membrane biochemical reaction.Under blower fan blasting action, MBR pond carries out more efficient biochemical reaction, removes pollutant component further.Sewage flows into complex biological filter, partly precipitated sludge reflux to anoxic pond behind MBR pond, and overwhelming majority mud enters sludge-tank.
Sewage anaerobic bio-treated, Aerobic biological process and filtering in complex biological filter once completes, through multistage purification, it is achieved to multinomial process such as the organic matter degradation of sewage, denitrogenation dephosphorizing, filtrations.After sewage disposal, water quality gets a promotion, and reaches discharge standard, can directly discharge through floss hole.
In sludge-tank collection sedimentation tank, MBR pond after mud, being lifted into Stacked sludge dewatering machine through membrane pump and be dehydrated, the mud outward transport after dehydration and drying or security landfill, filtrate is back in comprehensive adjustment pond, prevents secondary pollution.
Effect of the present utility model and benefit are this integral continuous Fenton oxidation-reduction sewage disposal devices, the multiple reaction tank of continuous way, make sewage disposal reaction more abundant, reduce the generation of intermediate product, improve the utilization rate of oxidant, it is achieved that continuum micromeehanics, successive reaction；Disposable input, life-time service, safeguard simple, reduce operation and maintenance expenses and use；It is applicable to high concentration, the process of severe sewage such as various chemical industry, pharmacy.
Accompanying drawing explanation
Fig. 1 integral continuous Fenton oxidation-reduction sewage disposal device schematic flow sheet.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described.
Integral continuous Fenton oxidation-reduction sewage disposal device, as shown in Figure of description 1, it is made up of high concentration regulating reservoir, low concentration regulating reservoir, Fe-C micro cell, Fenton oxidation pond, sedimentation tank, anoxic pond, contact-oxidation pool, MBR pond, complex biological filter and sludge-tank.
Embodiment
Sludge-tank, size: φ 10.0m × 3.5m；Structure: underground type Reinforced Concrete Structure；Volume: 235m3；Outfit equipment: sludge pump, Stacked sludge dewatering machine etc.；Quantity: 1.
High concentration regulating reservoir and low concentration regulating reservoir, size: 8.0m × 4.0m × 3.0m；Structure: underground type Reinforced Concrete Structure；Volume: 100m3；Quantity: 12 lattice.
Fe-C micro cell, size: φ 1.5m × 4.0m；Structure: complete sets of anticorrosive structure；Dischargeable capacity: 3.0m3；Quantity: 1.
Fenton oxidation pond, size: 3.5m × 5.5m × 2.5m；Structure: semi-underground type steel concrete, anticorrosion structure；Dischargeable capacity: 38m3；Quantity: 1.
Sedimentation tank, size: 4.0m × 4.0m × 3.0m；Structure: semi-underground type Reinforced Concrete Structure；Dischargeable capacity: 45m3；Quantity: 1.
Anoxic pond, size: 8.0m × 3.0m × 4.0m；Structure: semi-underground type Reinforced Concrete Structure；Dischargeable capacity: 80m3；Outfit equipment: biochemical filler, bottom stirring system 1 overlap；Quantity: 1.
Contact Aerobic Pond, size: 6.0m × 7.5m × 4.0m；Structure: underground type Reinforced Concrete Structure；Dischargeable capacity: 158m3；Outfit equipment: micro-hole aerator and bracket, biochemical filler 158m3；Quantity: 12 lattice.
MBR pond, size: 4.0m × 7.5m × 4.0m；Structure: underground type Reinforced Concrete Structure；Dischargeable capacity: 105m3；Outfit equipment: micro-hole aerator and bracket, biochemical filler 105m3, MBR film and mould bases 1 overlap；Quantity: 1.
Complex biological filter, size: φ 3.0m × 4.0m；Structure: complete sets of anticorrosive structure；Volume: 25m3；Outfit equipment: filter plate 1 overlaps, filtrate 25m3；Quantity: 1.
The process technique of integral continuous Fenton oxidation-reduction sewage disposal device is cut dirt and be see table:
Figure of description be only used as the structure of product, principle schematic, actual product structure and size with inventor design production drawing be as the criterion.
Embodiment described above is only to be described embodiment of the present utility model, is not defined spirit and scope of the present utility model.On the premise of without departing from this utility model design concept; various modification that the technical solution of the utility model is made by this area ordinary person and improvement; all should drop into protection domain of the present utility model, scope of the present utility model is limited by claims rather than described above.
Claims (4)
1. integral continuous Fenton oxidation-reduction sewage disposal device, it is made up of high concentration regulating reservoir, low concentration regulating reservoir, Fe-C micro cell, Fenton oxidation pond, sedimentation tank, anoxic pond, contact-oxidation pool, MBR (membrane biological reaction) pond, complex biological filter and sludge-tank, it is characterized in that, in described equipment, each reaction tank is serial and parallel combined structure pattern, high concentration regulating reservoir, Fe-C micro cell, Fenton oxidation pond, sedimentation tank, anoxic pond, contact-oxidation pool, MBR pond and complex biological filter are sequentially connected with from front to back and constitute serial structure；Low concentration regulating reservoir is parallel with high concentration regulating reservoir, is directly connected with sedimentation tank；Complex biological filter and sludge-tank are parallel, and sewage enters exhaust system after complex biological filter, and precipitating sludge enters sludge-tank and carries out subsequent treatment.
Integral continuous Fenton oxidation-reduction sewage disposal device the most according to claim 1, it is characterised in that the pH value of sewage water in described high concentration regulating reservoir maintains 3-4.
Integral continuous Fenton oxidation-reduction sewage disposal device the most according to claim 1, it is characterised in that being filled with the mixed fillers of iron filings and carbon granule inside described Fe-C micro cell, wherein pH value of sewage water is 5-6.
Integral continuous Fenton oxidation-reduction sewage disposal device the most according to claim 1, it is characterised in that add H in described Fenton oxidation pond2O2, and keep Fe2+Concentration is about 0.5mg/l, H2O2Concentration is 4mg/l.
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| CN201620201385.2U CN205473259U (en) | 2016-03-11 | 2016-03-11 | Integration continuous type fenton oxidation reduction sewage treatment device |
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| CN201620201385.2U CN205473259U (en) | 2016-03-11 | 2016-03-11 | Integration continuous type fenton oxidation reduction sewage treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153565A (en) * | 2020-02-26 | 2020-05-15 | 广东广深环保科技有限公司 | Treatment system and treatment method for esterification wastewater |
| CN111908722A (en) * | 2020-08-15 | 2020-11-10 | 四川大学 | Integrated toxic refractory wastewater treatment device and treatment method |
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2016
- 2016-03-11 CN CN201620201385.2U patent/CN205473259U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153565A (en) * | 2020-02-26 | 2020-05-15 | 广东广深环保科技有限公司 | Treatment system and treatment method for esterification wastewater |
| CN111908722A (en) * | 2020-08-15 | 2020-11-10 | 四川大学 | Integrated toxic refractory wastewater treatment device and treatment method |
| CN111908722B (en) * | 2020-08-15 | 2021-11-30 | 四川大学 | Integrated toxic refractory wastewater treatment device and treatment method |
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