CN102115253B - Novel multi-technology synergetic catalysis advanced micro-bubble ozone oxidation tower - Google Patents
Novel multi-technology synergetic catalysis advanced micro-bubble ozone oxidation tower Download PDFInfo
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Abstract
The invention belongs to a multi-technology synergetic catalysis advanced micro-bubble ozone oxidation tower mainly aiming at the treatment of refractory industrial wastewater. Influent (1) and O3 generated by an ozone generator (24) are injected into a water distribution cabin through a dissolved gas pump (5) and enter a micro-bubble release contact area (7) through a pore plate to release dissolved gas; Liquid which contains slag flows upwards and enters a floating slag separation area (8), liquid which contains no slag flows downwards and enters a gas-liquid separator (9), one part of effluent (10) is drained from a drain hole (11), and one part of the effluent (10) is refluxed to a dissolved gas pump intake pipe (12); an ultrasonic vibrator (13) and an ultraviolet light source (14) provide an ultrasonic and ultraviolet synergetic catalysis action; floating slag overflows to a collecting groove (15) and is drained through a drain hole (16); and a coagulant, powder activated carbon and hydrogen peroxide are added by adding systems (2, 3, 4) to provide a coagulation action and the synergetic catalysis action of PAC (powdered activated carbon) and H2O2. Tail gas is refluxed to the ozone generator through a drain hole (17), a one-way valve (18), gas suction tanks (19 and 20) and a dryer (23). The oxidation tower is compact in structure and has high treatment efficiency.
Description
Technical field
The invention belongs to the ozone high grade oxidation sewage treatment equipment, process mainly for indegradable industrial effluent, be specially a kind of many technology synergetic catalysis advanced micro-bubble ozone oxidation towers.
Background technology
Trade effluent generally has complicated component, difficult for biological degradation and poisonous and hazardous characteristic, and simple biochemical processing method is difficult to reach the treatment effect of expection.Therefore, on the basis of biochemical processing method, be aided with the main trend that materialization is treated as the processing up to standard of present realization indegradable industrial effluent at pretreatment unit or advanced treatment unit.
The present invention is on the basis of coventional type aeration contact oxidation tower, coagulation air-float, ultrasonic synergistic catalysis, ultraviolet cooperating catalysis, hydrogen peroxide concerted catalysis, the multiple concerted catalysis technology of Powdered Activated Carbon concerted catalysis and O3 contacted oxidation technology are carried out coupling integration, many technology synergetic catalysis advanced micro-bubble ozone oxidation towers that research and development have efficient ozone catalytic oxidation ability for indegradable industrial effluent.This oxidizing tower utilizes the mechanically mixing air dissolved pump, and the impeller by high speed rotating is with O
3Bubble fully mixes, dissolves with exhausted water stream, discharges to contain 0～30 μ m micron order O
3The gas-liquid mixed stream of microbubble, then enter the water distribution storehouse, bottom of advanced oxidation tower, enter from the bottom to top microbubble after the uniformly distributing and discharge the zone of action, discharge the top, district and be set to toroidal, contain and enter scum silica frost separation zone of action on the scum silica frost liquid flow direction, non-slag inclusion liquid stream baffling enters gas-liquid separation zone of action, afterwards water outlet downwards.Mechanically mixing air dissolved pump water inlet pipe can be selected dosing coagulant, Powdered Activated Carbon and hydrogen peroxide (H by the metering dosing system
2O
2), oxidizing tower body of the tower position is equipped with ultrasonic oscillator and UV
254Ultraviolet source can satisfy the O3 contacted oxidation under the multiple technologies concerted catalysis effect.This ozone high grade oxidation equipment can be grasped flexibly according to the different quality condition technical combinations of concerted catalysis, both can be used for pre-treatment and has improved wastewater biochemical, can be used for again advanced treatment and ensures the up to standard of water outlet, has preferably application prospect.
Summary of the invention
The objective of the invention is for difficult degradation, poisonous and harmful trade effluent, provide a kind of compact construction, easy and simple to handle, processing efficiency is high, can realize the integrated sewage treating apparatus of many technology synergies catalysis ozone advanced oxidation.
The present invention is a kind of many technology synergetic catalysis advanced micro-bubble ozone oxidation towers, it is characterized in that: the O that reactor water inlet (1) and ozonizer (24) produce
3Gas is through the abundant water distribution storehouse, bottom (6) of injection of ozone advanced oxidation tower at first behind the mixed dissolution of mechanically mixing air dissolved pump (5), the orifice plate of process Cang Ding enters and carries out microbubble release in the microbubble release zone of action (7), then slag inclusion liquid stream continues upwards to enter scum silica frost separation zone of action (8), non-slag inclusion liquid stream baffling enters gas-liquid separation zone of action (9) downwards, discharge (11) by water outlet (a 10) part, a part is back to air dissolved pump water inlet pipe (12); The oxidizing tower microbubble discharges the top, zone of action ultrasonic oscillator (13) and UV is installed
254Ultraviolet source (14) provides ultrasonic wave and ultraviolet concerted catalysis effect; Scum silica frost separation zone of action produces scum silica frost overflow to scum silica frost receiving tank (15) and discharges through scum silica frost discharge outlet (16); Pure oxygen source of the gas (21) provides additional source of the gas for ozonizer (24) after source of the gas moisture eliminator (22) is dry; Tail gas after the oxidizing tower gas-liquid separation enters alkaline gas tourie (19), acid gas absorption tank (20) and tail gas moisture eliminator (23) successively through exhaust port (17) and check valve (18), is recycled to ozonizer (24) inlet mouth and provides the backflow source of the gas for it; Wet method metering dosing system (2,3,4) is dosing coagulant, Powdered Activated Carbon and hydrogen peroxide (H respectively
2O
2) to the suction culvert of mechanically mixing air dissolved pump (5), provide coagulation and Powdered Activated Carbon/H
2O
2The concerted catalysis effect.
Above-mentioned many technology synergetic catalysis advanced micro-bubble ozone oxidation towers is characterized in that: the oxidizing tower body of the tower is divided into water distribution storehouse, bottom, microbubble discharges 4 critical areas such as zone of action, scum silica frost separation zone of action, gas-liquid separation zone of action.
Above-mentioned many technology synergetic catalysis advanced micro-bubble ozone oxidation towers is characterized in that: oxidizing tower can move coagulation air-float and O3 contacted oxidation technique simultaneously, thereby improves technique to the overall removal effect of hardly degraded organic substance.
Above-mentioned many technology synergetic catalysis advanced micro-bubble ozone oxidation towers is characterized in that: oxidizing tower, is provided into water power to oxidizing tower as intake pump on the one hand by the mechanically mixing air dissolved pump; Realize on the other hand O
3Quick dissolving and O
3Gas mixes with the Quick uniform of liquid stream.
Above-mentioned many technology synergetic catalysis advanced micro-bubble ozone oxidation towers is characterized in that: after molten air-flow enters microbubble release zone of action, and dissolved O
3Air release is the micron order bubble of diameter 0～30 μ m, has improved the gas-liquid mixed efficient of ozone.
Above-mentioned many technology synergetic catalysis advanced micro-bubble ozone oxidation towers is characterized in that: oxidation body of the tower position arranges ultrasonic oscillator, provides ultrasound source by ultrasonic generator, can be by ultrasonic wave to O
3The ultrasonic cavitation of microbubble realizes that ultrasonic wave to the concerted catalysis of ozone oxidation, improves ozone oxidation efficient.
Above-mentioned many technology synergetic catalysis advanced micro-bubble ozone oxidation towers is characterized in that: oxidation body of the tower position arranges UV
254Ultraviolet source is with UV
254Ultraviolet radiation has direct photolysis to organism on the one hand in liquid stream; Cause free chain reaction at aqueous phase on the other hand, can realize UV-light to the concerted catalysis of ozonidation, improve ozone oxidation efficient.
Above-mentioned many technology synergetic catalysis advanced micro-bubble ozone oxidation towers, it is characterized in that: on the mechanically mixing air dissolved pump suction culvert powdered activated carbon wet type dosing system is set, be that the activated carbon of 10～50 μ m adds the ozone oxidation tower with particle diameter, have on the one hand adsorption; Cause free chain reaction at aqueous phase on the other hand, thereby can realize Powdered Activated Carbon to the concerted catalysis of ozonidation, improve ozone oxidation efficient.
Above-mentioned many technology synergetic catalysis advanced micro-bubble ozone oxidation towers is characterized in that: on the mechanically mixing air dissolved pump suction culvert hydrogen peroxide (H is set
2O
2) or (H
2O
2+ Fe
2+) dosing system, with H
2O
2Or (H
2O
2+ Fe
2+) add the ozone oxidation tower, have on the one hand the direct oxidation effect; Produce hydroxyl radical free radical but decompose in the aqueous phase accelerate ozone on the other hand, thereby realize hydrogen peroxide (H
2O
2) or (H
2O
2+ Fe
2+) to the concerted catalysis of ozonidation, improve ozone oxidation efficient.
Above-mentioned many technology synergetic catalysis advanced micro-bubble ozone oxidation towers is characterized in that: by the tail gas return-flow system is set, oxidizing tower has backflow source of the gas and additional source of the gas simultaneously, has both reduced O in the tail gas
3To the pollution of environment, improved again the service efficiency of pure oxygen source of the gas, reduced the running cost of ozone high grade oxidation technique.
Description of drawings
Accompanying drawing is a kind of many technology synergetic catalysis advanced micro-bubble ozone oxidation towers structure iron of the present invention.
The 1-water-in, 2-coagulant dosage system, 3-Powdered Activated Carbon dosing system, 4-H
2O
2Dosing system, 5-mechanically mixing air dissolved pump, water distribution storehouse, 6-bottom, the 7-microbubble discharges the zone of action, the 8-scum silica frost separates zone of action, 9-gas-liquid separation zone of action, 10-water outlet, 11-water port, the 12-return line, 13-ultrasonic oscillator, 14-ultraviolet source, 15-scum silica frost receiving tank, 16-scum silica frost discharge outlet, 17-exhaust port, 18-check valve, 19-alkaline gas tourie, 20-acid gas absorption tank, 21-pure oxygen source of the gas, 22-source of the gas moisture eliminator, 23-tail gas moisture eliminator, 24-ozonizer.
Embodiment
The O that waste water produces from water-in (1) and ozonizer (24)
3Gas is by the abundant water distribution storehouse, bottom (6) of injection of ozone advanced oxidation tower at first behind the mixed dissolution of mechanically mixing air dissolved pump (5), the orifice plate of process Cang Ding enters and carries out microbubble release in the microbubble release zone of action (7), then slag inclusion liquid stream continues upwards to enter scum silica frost separation zone of action (8), non-slag inclusion liquid stream baffling enters gas-liquid separation zone of action (9) downwards, discharge (11) by water outlet (a 10) part, a part is back to air dissolved pump water inlet pipe (12); The oxidizing tower microbubble discharges the top, zone of action ultrasonic oscillator (13) and UV is installed
254Ultraviolet source (14) provides ultrasonic wave and ultraviolet concerted catalysis effect; Scum silica frost separation zone of action produces scum silica frost overflow to scum silica frost receiving tank (15) and discharges through scum silica frost discharge outlet (16); Pure oxygen source of the gas (21) provides additional source of the gas for ozonizer (24) after source of the gas moisture eliminator (22) is dry; Tail gas after the oxidizing tower gas-liquid separation enters alkaline gas tourie (19), acid gas absorption tank (20) and tail gas moisture eliminator (23) successively through exhaust port (17) and check valve (18), is recycled to ozonizer (24) inlet mouth and provides the backflow source of the gas for it; Wet method metering dosing system (2,3,4) is dosing coagulant, Powdered Activated Carbon and hydrogen peroxide (H respectively
2O
2) to the suction culvert of mechanically mixing air dissolved pump (5), provide coagulation and Powdered Activated Carbon, H
2O
2The concerted catalysis effect.
Case study on implementation:
Utilize above-mentioned embodiment to process northeast dry acrylic fiber factory three sinking pool effluents as advanced treatment unit, total analysis shows that nitrile, nitrogen-containing hetero lopps, alkanes and the amino organic compound of difficult degradation in this water outlet account for more than 86%.Reactor size is: D15cm * H 95cm, and total useful volume 23.7L, reflux ratio 100～200%, ozone dosage is 1.75g/L, and ultrasonic power is 300W, and the ultraviolet radiation wavelength is UV
254, the reaction times is 30min.At influent COD
CrDuring 270～310mg/L, UV
254/ US/H
2O
2Combination technique concerted catalysis O
3Oxidizing tower water outlet COD 100～130mg/L, the COD average removal rate is 58～60%.
Claims (10)
1. technology synergetic catalysis advanced micro-bubble ozone oxidation tower more than a kind is characterized in that: the O that reactor water inlet (1) and ozonizer (24) produce
3Gas is through the abundant water distribution storehouse, bottom (6) of injection of ozone advanced oxidation tower at first behind the mixed dissolution of mechanically mixing air dissolved pump (5), the orifice plate of process Cang Ding enters and carries out microbubble release in the microbubble release zone of action (7), then slag inclusion liquid stream continues upwards to enter scum silica frost separation zone of action (8), non-slag inclusion liquid stream baffling enters gas-liquid separation zone of action (9) downwards, discharge (11) by water outlet (a 10) part, a part is back to air dissolved pump water inlet pipe (12); The oxidizing tower microbubble discharges the top, zone of action ultrasonic oscillator (13) and UV is installed
254Ultraviolet source (14) provides ultrasonic wave and ultraviolet concerted catalysis effect; Scum silica frost separation zone of action produces scum silica frost overflow to scum silica frost receiving tank (15) and discharges through scum silica frost discharge outlet (16); Pure oxygen source of the gas (21) provides additional source of the gas for ozonizer (24) after source of the gas moisture eliminator (22) is dry; Tail gas after the oxidizing tower gas-liquid separation enters alkaline gas tourie (19), acid gas absorption tank (20) and tail gas moisture eliminator (23) successively through exhaust port (17) and check valve (18), is recycled to ozonizer (24) inlet mouth and provides the backflow source of the gas for it; Wet method metering dosing system (2,3,4) is dosing coagulant, Powdered Activated Carbon and hydrogen peroxide (H respectively
2O
2) to the suction culvert of mechanically mixing air dissolved pump (5), provide coagulation and Powdered Activated Carbon/H
2O
2The concerted catalysis effect.
2. according to many technology synergetic catalysis advanced micro-bubble ozone oxidation towers claimed in claim 1, it is characterized in that: the oxidizing tower body of the tower is divided into water distribution storehouse, bottom, microbubble discharges 4 critical areas such as zone of action, scum silica frost separation zone of action, gas-liquid separation zone of action.
3. according to many technology synergetic catalysis advanced micro-bubble ozone oxidation towers claimed in claim 1, it is characterized in that: oxidizing tower can move coagulation air-float and O3 contacted oxidation technique simultaneously, thereby improves technique to the overall removal effect of hardly degraded organic substance.
4. according to many technology synergetic catalysis advanced micro-bubble ozone oxidation towers claimed in claim 1, it is characterized in that: oxidizing tower, is provided into water power to oxidizing tower as intake pump on the one hand by the mechanically mixing air dissolved pump; Realize on the other hand O
3Quick dissolving and O
3Gas mixes with the Quick uniform of liquid stream.
5. according to many technology synergetic catalysis advanced micro-bubble ozone oxidation towers claimed in claim 1, it is characterized in that: after molten air-flow enters microbubble release zone of action, dissolved O
3Air release is the micron order bubble of diameter 0～30 μ m, has improved the gas-liquid mixed efficient of ozone.
6. according to many technology synergetic catalysis advanced micro-bubble ozone oxidation towers claimed in claim 1, it is characterized in that: oxidation body of the tower position arranges ultrasonic oscillator, provides ultrasound source by ultrasonic generator, can be by ultrasonic wave to O
3The ultrasonic cavitation of microbubble realizes that ultrasonic wave to the concerted catalysis of ozone oxidation, improves ozone oxidation efficient.
7. according to many technology synergetic catalysis advanced micro-bubble ozone oxidation towers claimed in claim 1, it is characterized in that: oxidation body of the tower position arranges UV
254Ultraviolet source is with UV
254Ultraviolet radiation has direct photolysis to organism on the one hand in liquid stream; Cause free chain reaction at aqueous phase on the other hand, can realize UV-light to the concerted catalysis of ozonidation, improve ozone oxidation efficient.
8. according to many technology synergetic catalysis advanced micro-bubble ozone oxidation towers claimed in claim 1, it is characterized in that: on the mechanically mixing air dissolved pump suction culvert powdered activated carbon wet type dosing system is set, be that the gac of 10～50 μ m adds the ozone oxidation tower with particle diameter, have on the one hand adsorption; Cause free chain reaction at aqueous phase on the other hand, thereby can realize Powdered Activated Carbon to the concerted catalysis of ozonidation, improve ozone oxidation efficient.
9. according to many technology synergetic catalysis advanced micro-bubble ozone oxidation towers claimed in claim 1, it is characterized in that: on the mechanically mixing air dissolved pump suction culvert hydrogen peroxide (H is set
2O
2) or H
2O
2+ Fe
2+Dosing system is with H
2O
2Or H
2O
2+ Fe
2+Add the ozone oxidation tower, have on the one hand the direct oxidation effect; Produce hydroxyl radical free radical but decompose in the aqueous phase accelerate ozone on the other hand, thereby realize hydrogen peroxide (H
2O
2) or H
2O
2+ Fe
2+To the concerted catalysis of ozonidation, improve ozone oxidation efficient.
10. according to many technology synergetic catalysis advanced micro-bubble ozone oxidation towers claimed in claim 1, it is characterized in that: by the tail gas return-flow system is set, oxidizing tower has backflow source of the gas and additional source of the gas simultaneously, has both reduced O in the tail gas
3To the pollution of environment, improved again the service efficiency of pure oxygen source of the gas, reduced the running cost of ozone high grade oxidation technique.
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| CN 201110007316 CN102115253B (en) | 2011-01-14 | 2011-01-14 | Novel multi-technology synergetic catalysis advanced micro-bubble ozone oxidation tower |
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| CN 201110007316 CN102115253B (en) | 2011-01-14 | 2011-01-14 | Novel multi-technology synergetic catalysis advanced micro-bubble ozone oxidation tower |
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| CN102115253B true CN102115253B (en) | 2013-04-10 |
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| CN201245468Y (en) * | 2008-07-16 | 2009-05-27 | 中国石油天然气集团公司 | Sewerage integrated processing unit |
| CN101774737A (en) * | 2009-12-28 | 2010-07-14 | 北京清大国华环保科技有限公司 | Method and device for treating and recycling tobacco wastewater with double-membrane process |
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|---|---|---|---|---|
| US20070102359A1 (en) * | 2005-04-27 | 2007-05-10 | Lombardi John A | Treating produced waters |
| CN201245468Y (en) * | 2008-07-16 | 2009-05-27 | 中国石油天然气集团公司 | Sewerage integrated processing unit |
| CN101381190A (en) * | 2008-10-14 | 2009-03-11 | 云南大学 | Treatment technique suitable for high salt and high concentrated organic wastewater |
| CN101774737A (en) * | 2009-12-28 | 2010-07-14 | 北京清大国华环保科技有限公司 | Method and device for treating and recycling tobacco wastewater with double-membrane process |
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