CN102557231B - Airlift sonochemical reactor - Google Patents
Airlift sonochemical reactor Download PDFInfo
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- CN102557231B CN102557231B CN 201210030649 CN201210030649A CN102557231B CN 102557231 B CN102557231 B CN 102557231B CN 201210030649 CN201210030649 CN 201210030649 CN 201210030649 A CN201210030649 A CN 201210030649A CN 102557231 B CN102557231 B CN 102557231B
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Abstract
The invention discloses an airlift sonochemical reactor, which is characterized in that: a vertical reacting cylinder is arranged; an ozone distributor with a gas outlet being upwards is arranged on the bottom of the reacting cylinder, a water outlet of a waste liquid tubing guide is close to the upper of the distributor, and keeps flow direction of water outlet being symmetrical with flow direction of ozone; energy transducers are arranged on the internal side wall of the reacting cylinder in an array manner, and a low frequency energy transducer and a high frequency energy transducer in a same horizontal plane are oppositely arranged on a same diameter line to form a energy transducer pair; and the number of the energy transducer pairs on a same horizontal plane is odd number, and the energy transducers uniformly distributed on a same circumference are arranged in an interval arrange manner of a low frequency energy transducer and a high frequency energy transducer. The airlift sonochemical reactor of the invention can high-efficiency utilize the synergism of ultrasonic wave and ozone, promotes acoustic cavitation effect, and can be used for treating industrial wastewater which is difficult to degrade.
Description
Technical field
The present invention relates to a kind of wastewater treatment equipment, belong to the environmental protection equipment technical field, particularly relate to a kind of air lift type phonochemical reaction device.
Background technology
Sonochemistry; refer to utilize ultrasonic wave to accelerate an emerging cross discipline of chemical reaction or raising productive rate; at present, acoustochemical Application Areas has related to the aspects such as organic synthesis, biological chemistry, analytical chemistry, macromolecular material, surface working, biotechnology and environment protection.Since the nineties, abroad begun one's study sonochemistry is applied to sewage control, the improvement aspect of the toxic organic pollutant of hard degradation in the waste water especially, and obtained gratifying effect.
Refractory organic at present conventional two stage biological treatment process is difficult to remove, almost directly breakthrough process device and entered environment, this part material great majority all has toxicity, some in addition carcinogenic, teratogenesis, mutagenicity are arranged.They in environment, hold stay chronic.How to administer this class material and become one of the focus of water prevention and cure of pollution circle research and difficulties.
Especially present dyeing waste water, along with the development of chemical substance and the raising of finishing process in printing and dye-ing requirement, the various bio-refractory organism such as artificial alkaline hydrolysis thing, new dye, auxiliary agent enter dyeing waste water in a large number, the dyeing waste water complicated component, concentration is high, colourity is dark, and traditional waste water treatment process has been consisted of challenge undoubtedly.
The project organization of air lift type chemical reactor is simple, can work under large size, and control temperature ratio is easier to, and higher liquid mixing speed and mixing time is arranged, less shearing force and higher mass-transfer performance.Air lift type phonochemical reaction device combines these focuses of airlift reactor, has also utilized ultrasonic sound cavitation effect to improve the degradation rate of waste water.Also satisfied a lot of other demands, this development to the treatment process of present dyeing waste water is significant.
In the existing bibliographical information, occurred adopting the ultrasonic of different frequency to superpose, utilized exactly Wave crest and wave trough each other to replenish, make ultrasonic wave all is that the cavitation effect is stronger in treatment solution everywhere, thereby reduce the dead angle that standing wave causes, improve the sonochemistry yield.For example China's " applied acoustics " (2007,26 (6) 362-366 page or leaf) used two low-frequency ultrasonic waves that dye wastewater has been carried out experiment and processed research, obtained good effect.But in practice, most people do not analyze ultrasonic characteristic (transonic, heat engine system etc.), therefore the structure of reactor of designing is all fairly simple, it mainly is the structure design aspect of ultra-sonic generator layout and reactor, cause ultrasonic energy to utilize the harmony yield all very low, generally be applicable to the laboratory.For example the Chinese invention patent application of application number 200720190903.6 a kind of multitone chemical reactor, although it has adopted the combination of different frequency ultrasonic transducer, but media variations so that external installation greatly reduces ultrasonic utilization ratio, can't maximize the water treatment effect of performance double-frequency ultrasound on the impact of transonic.
Summary of the invention
The present invention is for avoiding the existing deficiency of above-mentioned prior art, a kind of air lift type phonochemical reaction device is provided, to pre-treating high concentration indegradable industrial effluent efficiently.
The present invention be the technical solution problem by the following technical solutions:
The constructional feature of air lift type phonochemical reaction device of the present invention is that upright reacting cylinder body is set, the waste water thrust-augmenting nozzle that is connected with the waste water fluid inlet is connected to the lower left of reacting cylinder body, the waste water liquid outlet that is connected with heavy poly-pond is positioned at the upper right side of reacting cylinder body, the upper right side in heavy poly-pond is water purification overflow outlet, and the top of reacting cylinder body is the venting port that opens wide; The ozone sparger is placed in the bottom of reacting cylinder body up with the air outlet, the water outlet of described waste liquid thrust-augmenting nozzle is near the top of ozone sparger, and keeps current direction and flow of ozone to vertical;
Form with array on the inner side-wall of described reacting cylinder body arranges each transverter, and being in the same transverter that lists is to arrange with a low-frequency transducer and a low-and high-frequency transverter interval; Be in each transverter on the same level and be to be oppositely arranged at same radial line with a low-frequency transducer and high-frequency transducer and form a transverter pair; Describedly be in transverter on the same level to being odd number pair, each transverter that is evenly distributed on the same circumferential position is that a low-frequency transducer and a low-and high-frequency transverter interval arrange.
The constructional feature of air lift type phonochemical reaction device of the present invention also is:
Periphery in described reacting cylinder body arranges heat exchange jacket, is respectively arranged with entrance of cooling water and cooling water outlet on the heat exchange jacket.
Described waste water fluid inlet, waste water liquid outlet and pure water inlet are arranged on the sustained height position.
Compare with existing technology, beneficial effect of the present invention is embodied in:
1, each transverter is directly installed on the inwall of reactor among the present invention, compares the transonic loss of having avoided the barrel material to cause with in the past external placed type installation.
2, medium and low frequency transverter of the present invention and high-frequency transducer specific arrangement mode mode has guaranteed that multiple frequency wave energy that the height double frequency stacks up compensates the other side's trough enough mutually, thoroughly eliminate standing wave, consisted of a ultrasonic reverberation field, and make waste water in reactor everywhere suffered Ultrasonic Radiation evenly and acoustic pressure all the strongest, the generation efficiency of cavitation bubble is best.
3, the ozone sparger is installed in the reacting cylinder body bottom among the present invention, so that air flow line intersects with the liquid flow path direction, has utilized on the one hand the ozone energy, and fully aeration promotes ultrasonic cavitation on the other hand, efficiently utilizes ultrasonic and synergistic effect ozone.
4, the setting of heat exchange jacket has overcome the temperature rise that ultrasonic heat engine system causes among the present invention, has controlled optimal reaction temperature.
5, waste water fluid inlet, waste water liquid outlet and pure water inlet are set among the present invention and are in sustained height, reduce energy expenditure thereby reduce the extra liquid pump energy that uses.
Description of drawings
Fig. 1 is facade structures schematic diagram of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is ozone sparger two dimensional structure schematic diagram among the present invention;
Fig. 4 is the different embodiment structural representations of the present invention with Fig. 5.
Number in the figure: 1 waste water fluid inlet; 2 reacting cylinder body; 3 heat exchange jackets; 4 waste water thrust-augmenting nozzles; 5 cooling water outlets; 6 ozone entrances; 7 ozone spargers; 8 retaining plates; 9 low-frequency transducers; 10 heavy poly-ponds; 11 entrance of cooling water; 12 waste water liquid outlets; 13 pure water inlets; 14 venting ports; 15 high-frequency transducers.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, air lift type phonochemical reaction device is that upright reacting cylinder body 2 is set in the present embodiment, the waste water thrust-augmenting nozzle 4 that is connected with waste water fluid inlet 1 is connected to the lower left of reacting cylinder body 2, the waste water liquid outlet 12 that is connected with heavy poly-pond 10 is positioned at the upper right side of reacting cylinder body, the upper right side in heavy poly-pond 10 is water purification overflow outlets 13, and the top of reacting cylinder body 2 is the venting ports 14 that open wide; Ozone sparger 7 is placed in the bottom of reacting cylinder body 2 up with the air outlet, the water outlet of waste liquid thrust-augmenting nozzle 4 is near the top of ozone sparger 7, and keeps current direction and flow of ozone to vertical.
As depicted in figs. 1 and 2, in the present embodiment, the form with array on the inner side-wall of reacting cylinder body 2 arranges each transverter, and being in the same transverter that lists is to arrange with a low-frequency transducer and a low-and high-frequency transverter interval; Be in each transverter on the same level and be to be oppositely arranged at same radial line with a low-frequency transducer 9 and high-frequency transducer 15 and form a transverter pair; Be in transverter on the same level to being odd number pair, each transverter that is evenly distributed on the same circumferential position is that a low-frequency transducer 9 and low-and high-frequency transverter 15 intervals arrange.
In the implementation, in the periphery of reacting cylinder body 2 heat exchange jacket 3 is set, is respectively arranged with entrance of cooling water 11 and cooling water outlet 5 on the heat exchange jacket 3; Waste water fluid inlet 1, waste water liquid outlet 12 and pure water inlet 13 are arranged on the sustained height position; The frequency that high frequency transducer 15 is set is that 800kHz, the sound intensity are 0.5W/cm
2The frequency of low frequency transverter 9 is that 20kHz, the sound intensity are 0.5W/cm
2
In the implementation, be in transverter on the same level to can being a pair of, also can increase the right number of transverter according to the size of inner diameter, the right number of transverter can only be odd number, to guarantee the array configuration of space between high-frequency transducer and the low-frequency transducer, shown in Figure 4ly be in transverter on the same level to being three pairs, Figure 5 shows that five pairs.
Because the hyperacoustic propagation waveform of single-frequency all is that a series of crests and trough are arranged, it is maximum that crest represents sound pressure amplitudes, and its cavitation effect is also the strongest, and it is minimum that trough represents sound pressure amplitudes, and namely cavitation is the most weak.In processing waste water, eliminate standing wave in order to make ultrasonic wave, strengthen the cavitation effect, need to there be another frequency ultrasonic wave to remedy last hyperacoustic trough, a frequency ultrasonic wave crest remedies last ultrasonic wave trough after namely allowing, a hyperacoustic trough after last hyperacoustic crest remedies, the permutation and combination of this mode can guarantee that the standing wave of ultrasonic wave on the certain level face of reactor is minimum, the cavitation best results; The permutation and combination method of the present embodiment medium-high frequency transverter and low-frequency transducer can guarantee that the multiple frequency wave energy that stacks up of height double frequency compensates the other side's trough enough mutually, thoroughly eliminates standing wave, and make waste water everywhere suffered Ultrasonic Radiation evenly and acoustic pressure all the strongest.
During operation, open each ultrasonic transducer, waste water is introduced by waste water thrust-augmenting nozzle 4 through waste water fluid inlet 1, enters the air lift type phonochemical reaction device from reacting cylinder body 2 bottoms of air lift type phonochemical reaction device; Ozone is dispersed by the ozone sparger 7 that ozone entrance 6 enters reacting cylinder body 2 bottoms of air lift type phonochemical reaction device, forms the upwards ejection of a large amount of micro-bubbles, drives waste water and upwards flows, and flow to the top.Under the ultrasonic cavitation coupling of different frequency, complicated oxidation, DeR occur in waste water and ozone in cylindrical shell 2 rises, the carbonic acid gas and the air that form are then overflowed by the venting port 14 on top, water purification after the processing is then discharged by the upper right side pure water inlet 13 in heavy poly-pond 10, and the most of solid-state or flocculence degraded product of formation then accumulates in the lower end in heavy poly-pond 10 and discharges.
Claims (3)
1. air lift type phonochemical reaction device, it is characterized in that arranging upright reacting cylinder body (2), the waste water thrust-augmenting nozzle (4) that is connected with waste water fluid inlet (1) is connected to the lower left of reacting cylinder body (2), the waste water liquid outlet (12) that is connected with heavy poly-pond (10) is positioned at the upper right side of reacting cylinder body, the upper right side in heavy poly-pond (10) is water purification overflow outlet (13), and the top of reacting cylinder body (2) is the venting port (14) that opens wide; Ozone sparger (7) is placed in the bottom of reacting cylinder body (2) up with the air outlet, the water outlet of described waste liquid thrust-augmenting nozzle (4) is near the top of ozone sparger (7), and keeps current direction and flow of ozone to vertical;
Form with array on the inner side-wall of described reacting cylinder body (2) arranges each transverter, and being in the same transverter that lists is to arrange with a low-frequency transducer and a low-and high-frequency transverter interval; Be in each transverter on the same level and be to be oppositely arranged at same radial line with a low-frequency transducer (9) and a high-frequency transducer (15) and form a transverter pair; Describedly be in transverter on the same level to being odd number pair, each transverter that is evenly distributed on the same circumferential position is a low-frequency transducer (9) and the setting of a low-and high-frequency transverter (15) interval.
2. air lift type phonochemical reaction device according to claim 1, it is characterized in that: in the periphery of described reacting cylinder body (2) heat exchange jacket (3) is set, is respectively arranged with entrance of cooling water (11) and cooling water outlet (5) on the heat exchange jacket (3).
3. air lift type phonochemical reaction device according to claim 1 is characterized in that: described waste water fluid inlet (1), waste water liquid outlet (12) and water purification overflow outlet (13) are arranged on the sustained height position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210030649 CN102557231B (en) | 2012-02-10 | 2012-02-10 | Airlift sonochemical reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210030649 CN102557231B (en) | 2012-02-10 | 2012-02-10 | Airlift sonochemical reactor |
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| Publication Number | Publication Date |
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| CN102557231A CN102557231A (en) | 2012-07-11 |
| CN102557231B true CN102557231B (en) | 2013-04-03 |
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| CN 201210030649 Expired - Fee Related CN102557231B (en) | 2012-02-10 | 2012-02-10 | Airlift sonochemical reactor |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103212356B (en) * | 2013-04-28 | 2014-12-24 | 陕西师范大学 | Disloyalty type phonochemistry reaction equipment |
| CN106630001A (en) * | 2016-12-31 | 2017-05-10 | 天津市瑞德赛恩水业有限公司 | Process for ultrasonic cooperated ozone treatment of reverse osmosis concentrated water |
| CN108675544A (en) * | 2018-04-26 | 2018-10-19 | 云南龙帜环境工程有限公司 | A kind of Traditional Chinese medicine extraction wastewater treatment system |
| CN108911301B (en) * | 2018-06-27 | 2021-08-03 | 江苏大学 | Modularized organic wastewater treatment system |
| CN112642370A (en) * | 2020-12-22 | 2021-04-13 | 青岛化赫医药科技有限公司 | Novel ultrasonic composite bubbling reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS536274A (en) * | 1976-07-06 | 1978-01-20 | Aroozu Kk | Apparatus for treating waste liquids |
| CN201161188Y (en) * | 2007-12-26 | 2008-12-10 | 中国科学院声学研究所 | Multi-frequency phonochemical reactor |
| CN101502780B (en) * | 2009-01-22 | 2013-10-30 | 严卓晟 | Cylinder tube-type sound wave comprehensive function coprocessor |
| CN101734803A (en) * | 2009-12-28 | 2010-06-16 | 合肥工业大学 | Method for treating dye wastewater with high concentration by using technology combining ultrasound wave with enzyme |
| CN101786691B (en) * | 2010-03-23 | 2011-08-31 | 河北大学 | Online broadband ultrasonic wave sewage treatment unit |
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Granted publication date: 20130403 Termination date: 20160210 |