CN105271616A - System for deeply treating industrial wastewater through ozone combined aeration biological treatment - Google Patents
System for deeply treating industrial wastewater through ozone combined aeration biological treatment Download PDFInfo
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- CN105271616A CN105271616A CN201510729629.4A CN201510729629A CN105271616A CN 105271616 A CN105271616 A CN 105271616A CN 201510729629 A CN201510729629 A CN 201510729629A CN 105271616 A CN105271616 A CN 105271616A
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- aeration biological
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Abstract
The invention discloses a system for deeply treating industrial wastewater through ozone combined aeration biological treatment. The system comprises an ozone oxidation pool, an aeration biological filter pool and a backflushing water pool, wherein the upper part of the ozone oxidation pool is provided with an ozone equipment chamber; the lower part of the ozone oxidation pool is provided with an ozone contact pool; the ozone contact pool is communicated with a water distribution channel arranged at the upper end of the aeration biological filter pool through a pipeline; the lower part of the aeration biological filter pool is connected with the backflushing water pool. The other side, corresponding to the water distributing channel, of the aeration biological filter pool is provided with a filter material intercepting device; a whole filter plate is arranged in a lower position of the middle part of the aeration biological filter pool; adjustable long-handle filter heads are uniformly arranged on the whole filter plate; a control valve is arranged on the pipeline. The system has the advantages that the applicable range is wide; the treatment cost is low; the treatment effect is good; the outlet water quality is stable; the maintenance cost is low; the system operation is reliable.
Description
Technical field
The present invention relates to a kind of industrial wastewater treatment system, particularly a kind of system of ozone associating aeration and biological treating depth process trade effluent.
Background technology
Trade effluent mainly comprises petrochemical wastewater, pharmacy, textile printing and dyeing wastewater, food wastewater, washing waste water, paper waste, leather-making waste water etc.The water-quality constituents of trade effluent is complicated, water yield fluctuation is large.When processing Pollutant levels and being low, mostly be objectionable impurities, difficult depth degradation further, biodegradability are poor.Traditional process for treating industrial waste water generally comprises physico-chemical process, chemical method and biochemical process.The main flow treatment process occurred in recent years is senior Ozonation and Treatmeat Process of Aeration Biofiler.But costly, and most of larger molecular organics can only be oxidized to small organic molecule to independent ozone oxidation by ozone oxidation, and organism thoroughly can not be removed; Although and BAF is efficient, cannot refractory organic be removed.And some traditional ozone+biological aerated filter process processing efficiencies are lower in the market, often block filtrate, filter damages and is difficult to change.
Summary of the invention
In view of this, the invention provides a kind of applied widely, processing cost is low, treatment effect good, stable effluent quality, maintenance cost are low, the system of system cloud gray model reliable ozone associating aeration and biological treating depth process trade effluent.
The present invention is solved the problem by following technique means:
A kind of system of ozone associating aeration and biological treating depth process trade effluent, comprise ozone oxidation pond, BAF and backwash pond, the top in described ozone oxidation pond is between ozone devices, bottom is ozone contact tank, described ozone contact tank is communicated with by the distributing flue of pipeline with described BAF upper end, and described BAF bottom is connected with described backwash pond.
Further, the side that described BAF is relative with described distributing flue is provided with filtrate blocking apparatus.
Further, position on the lower side, the middle part of described BAF is provided with overall filter plate.
Further, described overall filter plate is evenly provided with adjustable strainer head.
Further, described pipeline is provided with control valve and a whole set of automation control system.
The advantages of ozonation technology and aeration and biological treatment process is got up by the present invention, can give full play to the strong point of each process, makes the removal of micropollutant reach best effect.Utilize ozone pre-oxidation to remove colourity, turbidity and part COD, reduce the load of BAF, and improve the biodegradability of waste water, make BAF give full play to microbial process, reach good treatment effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the one-piece construction schematic diagram of the system of ozone of the present invention associating aeration and biological treating depth process trade effluent;
Fig. 2 is the structural representation of BAF of the present invention.
Between ozone devices 1, ozone oxidation pond 2, ozone contact tank 3, BAF 4, distributing flue 5, filtrate blocking apparatus 6, overall filter plate 7, adjustable strainer head 8, backwash pond 9, pipeline 10.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail.
For some difficult degradation low-concentration organic waste waters or some difficult organic waste water, biodegradabilities reaching emission standard after common biochemical treatment poor, higher waste water is required to effluent quality, ozone-aeration and biological treatment combination technique is adopted to carry out advanced treatment, this technique is made up of efficient ozone decoloration device and BAF two portions, can effectively degradation of organic substances, decolorizing effect be remarkable, improve effluent quality, is the new way solving lower concentration organic wastewater with difficult degradation thereby advanced treatment.
Ozone is a kind of strong oxidizer, the pollution substance that can exist with various form in water (dissolve, suspend, colloidalmaterial and microorganism etc.) reacts, organic matter molecular mass distribution characteristics can be changed, the organism of complexity is transformed into simple organic, the polarity of pollutent, biological degradability and toxicity etc. are changed.The most of simple substance in waste water and compound oxidation to maxivalence state, very strong oxidative degradation can be had to Organic substance in water under ideal conditions.Unnecessary O
3can disintegrate be O
2, do not produce secondary pollution.Because it is fast and can produce on the spot that ozone and organism react hourly velocity, raw material is easy to get, easy to use, meet high-level environmental demand and the advantage such as technical equipment is reliable, in the chemical oxidation process of purifying waste water, ozonize is as strong, an effective and economic method for oxidation, and status grows steadily.
BAF (BAF) is the new type water treatment technology grown up on the basis of biological filter and conventional rapid filter, and the principle of disposing of sewage is the oxygenolysis of microorganism in the microbial film in reactor, filler grown, filler and biomembranous absorption crown_interception and the food chain classification predation formed along water (flow) direction and the inner microenvironment degradation of organic substances of microbial film.BAF is that biological degradation retains the efficient sewage water treatment method of the one combined with filtration, for the treatment of lower concentration, organic wastewater with difficult degradation thereby, compared with conventional activated sludge process, have that little, the anti-load impact of floor space is strong, oxygen transmission efficiency is high, avoid the advantage such as sludge bulking, stable effluent quality.
Costly, and most of larger molecular organics can only be oxidized to small organic molecule to independent ozone oxidation by ozone oxidation, and organism thoroughly can not be removed; Although BAF is efficient, refractory organic cannot be removed.
As depicted in figs. 1 and 2: a kind of system of ozone associating aeration and biological treating depth process trade effluent, comprise ozone oxidation pond 2, BAF 4 and backwash pond 9, the top in described ozone oxidation pond 2 is between ozone devices 1, bottom is ozone contact tank 3, described ozone contact tank 3 is communicated with by the distributing flue 5 of pipeline 10 with described BAF 4 upper end, and described BAF 4 bottom is connected with described backwash pond 9.Described BAF 4 side relative with described distributing flue 5 is provided with filtrate blocking apparatus 6, the position on the lower side, middle part of described BAF 4 is provided with overall filter plate 7, described overall filter plate 7 is evenly provided with adjustable strainer head 8, described pipeline 10 is provided with control valve.
The advantages of two kinds of techniques is got up by the system of ozone associating aeration and biological treating depth process trade effluent of the present invention, can give full play to the strong point of each process, make the removal of micropollutant reach best effect.Utilize ozone pre-oxidation to remove colourity, turbidity and part COD, reduce the load of BAF, and improve the biodegradability of waste water, make BAF give full play to microbial process, reach good treatment effect.
Processing technological flow of the present invention is: first waste water enter ozone oxidation pond 2, ozone is added in ozone reaction pond 2, ozone is a kind of strong oxidizer, the pollution substance that exists with form various in water (dissolve, suspend, colloidalmaterial and microorganism etc.) reacts, organic matter molecular mass distribution characteristics can be changed, the organism of complexity is transformed into simple organic, the polarity of pollutent, biological degradability and toxicity etc. are changed.Under ideal conditions can the most of simple substance in waste water and compound oxidation to maxivalence state, very strong oxidative degradation is had to Organic substance in water, then deoxidation pond is entered, unnecessary ozone decomposed is made to become oxygen, then BAF 4 is entered by pipeline 10, by the oxygenolysis of microorganism in microbial film that filler in reactor grows, filler and biomembranous absorption crown_interception and the food chain classification predation formed along water (flow) direction and the inner microenvironment degradation of organic substances of microbial film, make discharged wastewater met the national standard; BAF 4 needs regular back flushing.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (5)
1. the system of an ozone associating aeration and biological treating depth process trade effluent, it is characterized in that: comprise ozone oxidation pond, BAF and backwash pond, the top in described ozone oxidation pond is between ozone devices, bottom is ozone contact tank, described ozone contact tank is communicated with by the distributing flue of pipeline with described BAF upper end, and described BAF bottom is connected with described backwash pond.
2. the system of ozone according to claim 1 associating aeration and biological treating depth process trade effluent, is characterized in that: the described BAF side relative with described distributing flue is provided with filtrate blocking apparatus.
3. the system of ozone associating aeration and biological treating depth process trade effluent according to claim 1, is characterized in that: position on the lower side, the middle part of described BAF is provided with overall filter plate.
4. the system of ozone associating aeration and biological treating depth process trade effluent according to claim 3, is characterized in that: on described overall filter plate, be evenly provided with adjustable strainer head.
5. the system of ozone associating aeration and biological treating depth process trade effluent according to claim 1, is characterized in that: on described pipeline, be provided with control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510729629.4A CN105271616A (en) | 2015-10-29 | 2015-10-29 | System for deeply treating industrial wastewater through ozone combined aeration biological treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510729629.4A CN105271616A (en) | 2015-10-29 | 2015-10-29 | System for deeply treating industrial wastewater through ozone combined aeration biological treatment |
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| CN105271616A true CN105271616A (en) | 2016-01-27 |
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|---|---|---|---|
| CN201510729629.4A Pending CN105271616A (en) | 2015-10-29 | 2015-10-29 | System for deeply treating industrial wastewater through ozone combined aeration biological treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113024033A (en) * | 2021-03-15 | 2021-06-25 | 云南省设计院集团工程投资有限公司 | Process for deeply treating sewage discharge of livestock and poultry breeding industry |
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| CN101538102A (en) * | 2009-04-27 | 2009-09-23 | 同济大学 | Ozone-bacteria filter system for advanced treatment of hardly-degradable organic wastewater |
| EP2307323B1 (en) * | 2008-02-15 | 2012-05-23 | C.S.A. S.r.l. | Plant and process for the purification of wastewaters |
| CN104787974A (en) * | 2015-04-13 | 2015-07-22 | 中国环境科学研究院 | Phosphorus removal biological aerated filter-catalytic ozonation coupling device and use method thereof |
| CN204607801U (en) * | 2015-03-11 | 2015-09-02 | 天津市联合环保工程设计有限公司 | The advanced sewage treatment system of a kind of cities and towns and industrial park |
| CN205151996U (en) * | 2015-10-29 | 2016-04-13 | 广州乾峰环境治理工程有限公司 | System for aeration biological treatment advanced treatment industrial waste water is united to ozone |
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2015
- 2015-10-29 CN CN201510729629.4A patent/CN105271616A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2307323B1 (en) * | 2008-02-15 | 2012-05-23 | C.S.A. S.r.l. | Plant and process for the purification of wastewaters |
| CN101538102A (en) * | 2009-04-27 | 2009-09-23 | 同济大学 | Ozone-bacteria filter system for advanced treatment of hardly-degradable organic wastewater |
| CN204607801U (en) * | 2015-03-11 | 2015-09-02 | 天津市联合环保工程设计有限公司 | The advanced sewage treatment system of a kind of cities and towns and industrial park |
| CN104787974A (en) * | 2015-04-13 | 2015-07-22 | 中国环境科学研究院 | Phosphorus removal biological aerated filter-catalytic ozonation coupling device and use method thereof |
| CN205151996U (en) * | 2015-10-29 | 2016-04-13 | 广州乾峰环境治理工程有限公司 | System for aeration biological treatment advanced treatment industrial waste water is united to ozone |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113024033A (en) * | 2021-03-15 | 2021-06-25 | 云南省设计院集团工程投资有限公司 | Process for deeply treating sewage discharge of livestock and poultry breeding industry |
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Application publication date: 20160127 |