CN102452699A - Reactor for flowing ultrasonic cavitation degradation of high-concentration printing and dyeing sewage - Google Patents
Reactor for flowing ultrasonic cavitation degradation of high-concentration printing and dyeing sewage Download PDFInfo
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- CN102452699A CN102452699A CN2010105087959A CN201010508795A CN102452699A CN 102452699 A CN102452699 A CN 102452699A CN 2010105087959 A CN2010105087959 A CN 2010105087959A CN 201010508795 A CN201010508795 A CN 201010508795A CN 102452699 A CN102452699 A CN 102452699A
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Abstract
The invention discloses a reactor for flowing ultrasonic cavitation degradation of high-concentration printing and dyeing sewage. The reactor for flowing ultrasonic cavitation degradation of high-concentration printing and dyeing sewage comprises a reaction pot, an ultrasonic transducer, a stirring disperser, a dissolved-gas generator and a controller. The reactor for flowing ultrasonic cavitation degradation of high-concentration printing and dyeing sewage realizes integration of an ultrasonic cavitation degradation technology, a mechanical stirring degradation technology and a dissolved-gas aeration technology, fully utilizes the combination of a cavitation effect, a mechanical effect and a pyrolysis and free radical effect produced by power ultrasound and dynamic potential energy produced by high-speed mechanical rotation, can carry out phonochemical reaction processes of chain scission, decomposition and oxidation on difficultly degraded organic pollutants in high-concentration printing and dyeing sewage during continuous flowing discharge of the high-concentration printing and dyeing sewage so that the difficultly degraded organic pollutants are cracked and oxidized into inorganic gas and easily degraded low-molecular weight organics, and can be used individually and also can cooperate with the existing sewage treatment equipment. The reactor for flowing ultrasonic cavitation degradation of high-concentration printing and dyeing sewage is utilized for treatment on sewage produced by heavy pollution enterprises such as chemical enterprises, printing and dyeing enterprises, papermaking enterprises, leather enterprises and light industry fermentation enterprises, and has obvious characteristics of fast reaction speed, wide application scope, easy processes, convenience of installation, and good treatment effects.
Description
Technical field
The present invention relates to a kind of sewage disposal device, relate to a kind of flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum that the high-concentration dye-printing sewage of dyeing discharging is administered of being used for specifically.
Background technology
The high-concentration dye-printing sewage of dyeing discharging, the pollution hazard that ecotope is caused is mainly from artificial synthetic organic materials.According to the pertinent data introduction, containing the artificial synthetic organic materials kind in the dyeing and printing sewage has more than 200 kinds approximately, and every year is also in continuous increase.In these artificial synthetic organic materials, having many all is persistence organic pollutant, and degradability is relatively poor, and wherein some organic pollutant also belongs to " three cause " character, and hazardness is bigger.Organic pollutant can get into water body with various different approaches, drinking water quality and health of human body are constituted greatly harm, and this harm all has non-reversibility mostly.
Along with the continuous reinforcement with environmental protection consciousness that improves constantly of scientific and technological level, the technique device of administering high-concentration dye-printing sewage is constantly by Application and Development, and regulation effect also improves constantly.At present, the improvement high-concentration dye-printing waste disposal plant of widespread usage mainly contains three kinds at home: the one, and biodegradation technique equipment; The one, the chemical reaction technical equipment; The one, Physical Separation Technology equipment; Because these are administered constantly replenishing of high-concentration dye-printing Technology of Sewage equipment and improve with full-fledged, are preserving the ecological environment, and facilitate economic and social and have made major contribution in the development.
But along with improving constantly of industrialized fast development and living standards of the people, high-concentration dye-printing sewage generation is more and more, and organic kind and content also become increasingly complex; Existing mature several kinds of tradition are administered technical equipment; Or it is limited or too high or because of reasons such as processing efficiency are too low because of cost because of technical capacity; The large amount of complex Persistent organic pollutants that contained in can not improvement high-concentration dye-printing sewage in full force and effect; Cause great deal of high concentration refractory dyeing sewage to discharge, cause water pollution to increasingly sharpen, some area even become the restraining factors of economy and social development because of can not get improvement in full force and effect.Therefore, the improvement new equipment of high-concentration hardly-degradable dyeing and printing sewage is improved in further investigation, improves regulation effect, is not only the urgent task of scientific worker and manufacturing enterprise, also is very serious social responsibility.
The UW technology of waste water control is the new and high technology of just having risen in recent ten years.Using ultrasound ripple of the present invention conducting energy in water produces the technical know-how of cavitation effect; Research and design goes out a kind of can the power ultrasonic technology introducing in the dyeing and printing sewage of continuous flow discharging; And can carry out phonochemical reactions such as chain rupture, decomposition, oxidation to the complicated Persistent organic pollutants of its high density that contains and handle, form a kind of flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum.
Summary of the invention
The technical problem that the present invention will solve
The technical problem that the present invention will solve is: the technical know-how that produces cavitation effect, mechanical effect, pyrolysis and radical effect according to power ultrasonic conducting energy in liquid; Improve the high-concentration dye-printing technology of waste water control equipment of dyeing from enriching to discharging; From researching and analysing power ultrasonic effective Degradation mechanism of Persistent organic pollutants is started with; Research and design goes out a kind of can the power ultrasonic technology introducing in the dyeing and printing sewage of continuous flow discharging; Dissolve gas aerating technology with traditional high speed machine dispersed with stirring technology, supersaturation and combine, realize the flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum that the complicated Persistent organic pollutants that contain in the dyeing and printing sewage are carried out phonochemical reaction operations such as chain rupture, decomposition, oxidation.
The technical scheme that the technical solution problem is taked:
The technical problem of the present invention to solving takes following technical scheme in advance to solve.
Research and design of the present invention goes out a kind ofly to dissolve gas aerating technology by ultrasonic cavitation degradation technique and high-speed stirring dispersion technology, supersaturation and combine, and can carry out the flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum of phonochemical reaction operations such as chain rupture, decomposition, oxidation to the complicated Persistent organic pollutants that contain in the dyeing and printing sewage; This reactor drum comprises: gas generator, steering controller are dissolved in retort, immerseable ultrasonic transducer, high-speed stirring decollator, supersaturation.The immerseable ultrasonic transducer is fixed on the cover of retort with 120 ° of position of halving of concentric(al) circles, and sound-electric conversion portion is arranged in outside the retort, and the cumulative radiating bars is to immerse in the dyeing and printing sewage of arranged in form in retort; The high-speed stirring decollator is fixed on the cover central position of retort, and frequency control motor is arranged in outside the retort, and stir shaft, dispersed with stirring dish are to immerse in the dyeing and printing sewage of arranged in form in retort; Gas generator is dissolved in supersaturation, is fixed on the outer appropriate location of retort, is connected with mounting arrangements aerating pore scatterer at jar end in retort through induction pipe; Steering controller is fixed on the outer appropriate location of retort, is connected with the total terminal box of retort through lead speed.
Described retort; Wedge angle, rectangular-shaped connection appear for avoiding or reducing the retort physique structure; Make ultrasonic field produce UW diffuse scattering phenomenon; Cause local ultrasonic cavitation degradation effect reduction in the retort, the retort global shape is designed to round can type full-closed structure, and cover, a jar end all are circular arc; Retort is made up of cover, tank body, jar end, mounting bracket, and tank body is connected into integral body with a jar back welding, and tank body and cover realize opening fast through quick mounting flange or sealing is fixing fast; The retort each several part is all anticorrosion with having, the welding of the boiler sheet of resistance to elevated temperatures is processed.Vapor pipe, design and installation are used to discharge the residual air that produces after the cavitation DeR on the cover of retort; Cavitation degraded rising pipe, design and installation be on the top of the tank body of retort, is connected with water inlet pipe in the enterprise existing dyeing and printing sewage treatment unit; Dyeing and printing sewage water inlet pipe, design and installation be in the tank body bottom of retort, and the rising pipe of collecting tapping equipment with enterprise existing dyeing and printing sewage is connected; Bottom, design and installation has emergent take off pipe at the bottom of the retort jar, the water of emptying retort when being used for emergency requirement; On the appropriate location of retort inner tank wall, design arrangement is equipped with the data monitoring transmitter, is connected with maneuver control device through total terminal box, bundle conductor; On the inwall at the bottom of the retort jar, be mounted with the aerating pore scatterer, dissolve gas generator through induction pipe and supersaturation and be connected.
Described immerseable ultrasonic transducer; Be in the dyeing and printing sewage that the power ultrasonic technology is incorporated into continuous flow discharging, realize the complicated Persistent organic pollutants that contain in the dyeing and printing sewage are carried out phonochemical reaction such as chain rupture, decomposition, oxidation and ultrasonic cavitation degraded apparatus for work that research and design goes out.Because the complicated Persistent organic pollutants that contain in the dyeing and printing sewage are because of the structure of functional groups of some key enzyme, or stable chemical combination key chain is difficult to opened or destroy by existing technology of waste water control method, becomes the critical limitation link of administering high-concentration dye-printing sewage.UW is the mechanical vibration wave of a kind of frequency greater than audible range; In liquid medium, can produce cavitation effect, mechanical effect, pyrolysis and radical effect, be to open the structure of functional groups of these key enzymes or destroy the strong technical measures that its stable chemical combination key chain is removed the critical limitation link.The cavitation effect of power ultrasonic, can make reaction focus moment produce high temperature (＞5000K), high pressure (＞5 * 10
4KPa) and at a high speed (＞300m/s) shockwave; The mechanical effect of power ultrasonic, very big though shift length is little with the ultrasonic frequency square acceleration stresses that is directly proportional, can surpass universal gravity constant (980.665cm/s
2) tens thousand of times, be enough to cause liquid particle and break, move, collide isostructuralism and change; The pyrolysis of power ultrasonic and radical effect can make the complicated Persistent organic pollutants that contain in the dyeing and printing sewage, and the pyrolytic reaction of similar combustion chemistry reaction takes place, and directly cracking changes into CO
2, H
2Gas such as O, CO overflows; Also can produce and have extremely strong active hydroxyl radical free radical; On the aromatic nucleus of complicated Persistent organic pollutants, generate some new organic active groups, and then more complicated Persistent organic pollutants oxygenolysis is become small organic molecule through oxidizing reaction.The immerseable ultrasonic transducer according to the attenuation degree that UW conducts in liquid medium, is designed to be made up of 3 immerseable ultrasonic transducers, and is designed on the cover of retort, arrange installation with 120 ° of five equilibriums of concentric(al) circles.The immerseable ultrasonic transducer is made up of main working parts such as cumulative radiating bars, mounting base, shell, fine setting sleeve, prestress sleeve, after vibration body, absorption piece, the flexible wafer of acoustic feedback, node bearing, rear end cap, the flexible wafer of piezoelectric ceramics, scale copper electrode, thick copper plate electrode, cold gas import, contact conductors; All electricity-sound translated zero parts all are assembled in the cylindrical outside shell, are connected with the cumulative radiating bars through the prestress sleeve, are connected with total terminal box on the retort through contact conductor, through the cold gas import, are connected with cooling tank.The immerseable ultrasonic transducer is a separation surface with the mounting base, and the cumulative radiating bars is to immerse arranged in form in retort in the dyeing and printing sewage, and electricity-sound conversion portion is arranged in the retort outside; The cumulative radiating bars is the load of ultrasonic transducer, also is that the machinery of power ultrasonic amplitude amplifies the source; According to high-concentration dye-printing sewage characteristics; For increasing the amplitude scale-up factor; The cumulative radiating bars selects to be designed to combined type cumulative forms of radiation; Consider that simultaneously the cumulative radiating bars not only will be immersed in operation in the dyeing and printing sewage for a long time, but also want high-power, the high amplitude of radiation, design alternative use have big fatigue strength, less specific acoustic resistance characteristic, than the titanium alloy material manufacturing of strong corrosion resistant characteristic; Ultrasonic transducer is arranged on the 120 ° of mean lines in concentric garden, can make effective radiating area overlapping, does not stay the blind area, and every cumulative radiating bars can both be in 360 ° of directions, evenly to around radiate supersonic wave, can at utmost improve degradation effect.
Described high-speed stirring decollator is for effective fit applications ultrasonic cavitation degradation technique, improves the complicated Persistent organic pollutants that contain in the dyeing and printing sewage carried out the cavitation degradation effect, and the mechanical stirring working in dispersion device of research and design.The high-speed stirring decollator of design configurations is fixed on the central position of retort cover, is made up of frequency control motor, stir shaft, dispersed with stirring dish; The high-speed stirring decollator selects frequency control motor as driving propulsion source, can make the real-time online adjustment that different rotating speeds changes according to the degrade needs of phonochemical reaction of ultrasonic cavitation; The structure formation of high-speed stirring decollator is designed on stir shaft, to be mounted with 2 groups and is up and down two layers of cloth and puts, be furnished with separately some hocks, reverse hock type dispersed with stirring disk-form of installing.When carrying out the mechanical stirring working in dispersion; Because the effect of high speed rotating and 2 groups of reverse hock type dispersed with stirring dishes; Can on upper and lower two-layer card, produce extremely strong axial magnetism; Dyeing and printing sewage can be sucked from the axial reverse direction of upper and lower two-layer card simultaneously fast, two-layer try to get to the heart of a matter in the middle of the head-on collision back to around flow out, wait to collide and can distinguish that both direction is mobile up and down behind the tank body of retort again naturally; And sucked simultaneously by upper and lower two-layer card respectively once more, form effectively circulation; Thereby the whole dyeing and printing sewages in the drive retort carry out flowing fast, and make dyeing and printing sewage in retort, form the two-way round-robin glide path of rolling continuously, blind area that elimination possibly exist or dead angle.Simultaneously; Because the high speed rotating of hock type dispersed with stirring dish; The some hocks of design arrangement on dispersed with stirring web edge can both obtain the high frequency of high LV and cutting bump dyeing and printing sewage, thereby produce dynamically potential energy such as extremely strong high speed cutting, fluid power shearing, centrifugal extruding; This extremely strong dynamic potential energy; The cavitation effect, the mechanical effect that produce with power ultrasonic match; Be enough to accelerate to strengthen complicated Persistent organic pollutants and break, move, collide the isostructuralism variation; The structure of functional groups unit interface of some key enzyme obtains fragmentation, and the strong chain of stable chemical combination ruptures, and makes complicated Persistent organic pollutants be cracked into the small molecules that is prone to degradation treatment from netted macromole.
Gas generator is dissolved in described supersaturation, is that introducing ultrasonic cavitation degradation technique must provide the needs of the gas dissolved with some amount and character in waste water control in order to satisfy, and the angry aerating apparatus for work of the gas dissolved that research and design goes out.Because the gas dissolved population size that in high-concentration dye-printing sewage, contains, can directly influence the degradation rate of complicated Persistent organic pollutants; The quantity of dissolved gas that contains in the dyeing and printing sewage is big, forms microbubble easily, under the UW effect, can form cavitation nucleus; Be convenient to take place stronger cavitation effect; Produce more hydroxyl radical free radical, form stronger pyrolysis and radical effect, improve the degradation rate of complicated Persistent organic pollutants.But it is very limited that dyeing and printing sewage self can form gas dissolved, all need take to add the gas dissolved method generally speaking to satisfy the needs of power ultrasonic cavitation degraded phonochemical reaction.Gas generator is dissolved in the supersaturation of research and design, is made up of air compressor pump, monoatomic gas filling jar and corresponding induction pipe thereof, aerating pore scatterer, is fixed on the outside appropriate location of retort; The high pressure supersaturation gas dissolved that producer produces; Send in the aerating pore scatterer of mounting arrangements at the bottom of the retort jar through the gas induction pipe; Discharge in its effect down with the dyeing and printing sewage of microbubble form in retort, and powerful participation phonochemical reaction process.
Described maneuver control device is made up of separated exciting ultrasonic generator and two-position controller two portions, and global design becomes the housing form, is fixed on the outer correct position of retort; Be connected with total terminal box on the retort through bundle conductor.The separated exciting ultrasonic generator of research and design partly is made up of four groundworks such as signal source, power magnification, IO, automatic controls; For adapting to the particular requirement of power ultrasonic cavitation degrading high concentration dyeing and printing sewage operation wide frequency range; Be designed to adopt digital waveform generator based on micro-chip CAT89C51; Produce sinusoidal wavely, carry out linear power with power transistor then and amplify, make the operating frequency can be at 50KH
Z～120KH
ZBetween select adjustment, again through high-frequency transformer and interlock circuit, be coupled to electric flux on the immerseable ultrasonic transducer at last, reach and isolate and impedance matching.The two-position controller of research and design is designed with Industry Control mcu programming, the on-the-spot online acquisition processing of signal, data backup memory processing, video display, keyboard input, instruction output etc. and regulates function automatically; Be connected with information components such as at the scene various transmitters of mounting arrangements, monitoring instruments respectively on the one hand through bundle conductor, on the other hand through bundle conductor respectively with the motor of each operation function parts, electric butterfly valve, drive elements such as Mgs are connected.
Advantage that the present invention has and the effect that reaches:
The present invention is deeply carrying out on the market research basis; The achievement and the knowledge accumulation that obtain in conjunction with research trial for many years; To weakness or the deficiency of domestic existing dyeing to the existence of high-concentration dye-printing sewage disposal technology equipment; The flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum that research and design goes out has the following advantages and effect:
1, the present invention produces the technical know-how of cavitation effect, mechanical effect, pyrolysis and radical effect according to power ultrasonic conducting energy in liquid medium; Research and design goes out a kind of flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum, successfully the power ultrasonic technology is incorporated in the dyeing and printing sewage of administering the continuous flow discharging.Application examination proving effect through experimental prototype is good, has started a kind of new way for the high concentration hard-degraded organic waste water of effectively administering all kinds of heavy polluted industry dischargings, and a new technology is provided, and has popularization demonstration preferably and is worth.
2, the flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum of research and design of the present invention; Integrate power ultrasonic degradation technique, mechanical stirring dispersion technology, dissolve gas generation aerating technology, handle control technique automatically; The know-why science of foundation is correct, and the engineering means of design are rationally advanced; Have that speed of response is fast, applied widely, processing ease, easy for installation, outstanding feature such as regulation effect is good; Both can use separately, also can with existing traditional wastewater treatment technology equipment combined utilization, have novelty, creativeness and practicality, vast market space and market development potentiality are arranged.
3, the flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum of research and design of the present invention; The scientific payoffs and the expertise that obtain in conjunction with research trial for many years accumulate; Though only researched and analysed the effective mechanism of action of degrading of complicated Persistent organic pollutants that the power ultrasonic technology contains dyeing and printing sewage; But multinomial Control and Optimization technical measures and Innovation project technique means that research and design is taked; To solving the improvement of all kinds of heavy polluted industry discharging high concentrated organic wastewaters general reference is arranged, solved some common gordian technique difficult points, other heavy polluted industries of China are administered Persistent organic pollutants have certain inspiration and reference function.
Description of drawings
Accompanying drawing 1, flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage structure of reactor principle schematic
Accompanying drawing 2, immerseable ultrasonic transducer structural principle synoptic diagram
Embodiment
Preparation embodiment of the present invention:
Shown in accompanying drawing 1, flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum of the present invention comprises retort (IV), immerseable ultrasonic transducer (III), high-speed stirring decollator (II), the molten gas generator (V) of supersaturation, steering controller (I).Immerseable ultrasonic transducer (III) is fixed on the retort cover (8) with 120 ° of position of halving of concentric(al) circles, and cumulative radiating bars (14) is to immerse in the dyeing and printing sewage of arranged in form in retort (IV); High-speed stirring decollator (II) is fixed on the central position of retort cover (8), and stir shaft (4), dispersed with stirring dish (12) are to immerse in the dyeing and printing sewage of arranged in form in retort (IV); Gas generator (V) is dissolved in supersaturation, is fixed on the outer appropriate location of retort (IV), is connected with aerating pore scatterer (15) through induction pipe (2); Steering controller (I) is fixed on the outer appropriate location of retort (IV), is connected with the total terminal box of retort (16) through bundle conductor (19).
Shown in accompanying drawing 1, described retort (IV), global design becomes round can type full-closed structure; Form by cover (8), tank body (5), jar end (17), mounting bracket (1); Tank body (5) is welded into integral body with a jar end (17); Tank body (5) and cover (8); Fix through quick unlatching of quick mounting flange (7) realization or quick sealing, retort (IV) respectively part part boiler sheet that is all anticorrosion with having, resistance to elevated temperatures is processed.Vapor pipe (11), design arrangement is on retort cover (8); Cavitation degraded rising pipe (6), design and installation is on the top of retort tank body (5), and the water inlet pipe that has now in the dyeing and printing sewage treatment unit with enterprise is connected; Dyeing and printing sewage water inlet pipe (18), design and installation are in retort tank body (5) bottom, and the rising pipe that has dyeing and printing sewage collection tapping equipment with enterprise now is connected; At the bottom of the retort jar (17) bottom, design and installation has emergent take off pipe (3), the water of emptying retort (IV) when being used for emergency requirement; On the appropriate location of retort tank body (5) inwall, design arrangement is equipped with related data monitoring sensor (13), is connected with maneuver control device (I) through total terminal box (16), bundle conductor (19); On the inwall of (17) at the bottom of the retort jar, be mounted with aerating pore scatterer (15), dissolve gas generation tank (V) through induction pipe (2) and supersaturation and be connected.
Shown in accompanying drawing 1, described high-speed stirring decollator (II) installs and fixes on retort cover (8) central position, is made up of frequency control motor (10), stir shaft (4), dispersed with stirring dish (12); High-speed stirring decollator (II) selects frequency control motor (10) as driving propulsion source; The structure formation of dispersed with stirring device (II) is designed on stir shaft (4), be mounted with 2 groups and goes to upper and lower double-deck arrange, be furnished with separately some hocks, reverse hock type dispersed with stirring dish (12) form of installing.
Shown in accompanying drawing 1, gas generator (V) is dissolved in described supersaturation, is made up of air compressor pump, monoatomic gas rotor charging point and induction pipe (2), aerating pore scatterer (15), is fixed on the outer appropriate location of retort (IV); The molten gas of high pressure supersaturation that gas generator (V) produces is dissolved in supersaturation; Through induction pipe (2) send to be arranged in the retort jar at the bottom of in the aerating pore scatterer (15) on (17); And form in the dyeing and printing sewage to retort (IV) in down in its effect and to discharge brute force participation phonochemical reaction with microbubble.
Shown in accompanying drawing 2; Described immerseable ultrasonic transducer (III) is made up of cumulative radiating bars (14), mounting base (33), shell (22), fine setting sleeve (20), prestress sleeve (21), after vibration body (29), absorption piece (24), the flexible wafer (28) of acoustic feedback, node bearing (23), rear end cap (25), the flexible wafer (30) of piezoelectric ceramics, scale copper electrode (31), thick copper plate electrode (32), cold gas inlet pipe (27), contact conductor (26) parts.Electricity-sound translated zero parts are assembled in the cylindrical outside shell (22), are connected with cumulative radiating bars (14) through prestress sleeve (21), are connected with the total terminal box of retort (16) through contact conductor (26).3 immerseable ultrasonic transducers (III) of configuration; Be fixed on the retort cover (8) by 120 ° of position of halving of concentric(al) circles through mounting base (33); Make the effective radiating area of every cumulative radiating bars (14) can be overlapping; Do not stay the blind area, and can both be evenly to dyeing and printing sewage radiation ultrasonic energy all around in 360 ° of directions.
As shown in Figure 1, described maneuver control device (I) is made up of separated exciting ultrasonic generator and two-position controller two portions, and global design becomes the housing form, is fixed on the outer correct position of retort (IV); Be connected with total terminal box (16) of retort through bundle conductor (19).The ultrasonic generator of design configurations; Partly form by four groundworks such as signal source, power magnification, IO, automatic controls; Employing is based on the digital waveform generator of micro-chip CAT89C51; Produce sinusoidal wavely, carry out linear power with power transistor then and amplify, make the operating frequency can be at 50KH
Z～120KH
ZBetween select adjustment, again through high-frequency transformer and circuit device therewith, be coupled to electric flux on the immerseable ultrasonic transducer (III) at last, reach and isolate and impedance matching.The two-position controller of design configurations has Industry Control mcu programming, the on-the-spot online acquisition processing of signal, data backup memory processing, video display, keyboard input, instruction output etc. and regulates function automatically; Through bundle conductor (19), the total terminal box of retort (16) respectively with the motor of data monitoring transmitter (13) and each operation function parts, electric butterfly valve, drive elements such as Mgs are connected.
Operation embodiment of the present invention:
The present invention is embodiment with the flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum application test of certain printing and dyeing enterprise, and the operation embodiment is described.
The processing mode that certain printing and dyeing enterprise has now the high-concentration dye-printing sewage that discharges in the printing and dyeing production process is: at first adopt chemical oxidization method to carry out degradation treatment, and then adopt coagulant sedimentation to separate the back discharging.The common chemical oxygenant mainly contains: ozone, Fentom oxygenant, NaCI, Mno
2Deng.Use these chemical oxidizing agents exist the strong oxidative free radical productive rate low, receive gas-liquid interfacial mass transfer efficient restriction, the not high shortcoming of medicament utilization ratio, cause that to handle quality unstable, consumption of chemicals is big, cost is too high.
When carrying out application test,, be installed in the existing Sewage treatment systems flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor test model machine of the present invention; Dyeing and printing sewage water inlet pipe (18) on the retort is connected with the rising pipe that enterprise has the collection tapping equipment in the Sewage treatment systems now, the degraded rising pipe of the cavitation on the retort (6) is connected with the water inlet pipe that enterprise has the chemical oxidation degraded pond in the Sewage treatment systems now; With the bundle conductor on the maneuver control device (19), be connected with the total terminal box of retort (16).
When beginning to handle; Through maneuver control device (I); At first open the valve of collecting on the tapping equipment rising pipe; Introduce high-concentration dye-printing sewage in the dyeing and printing sewage retort (IV), and, make the dyeing and printing sewage that gets in the retort (IV) can remain continuous constant rate by being arranged on the pipeline flow metering pump of collecting on the tapping equipment rising pipe.
Get into when high-concentration dye-printing sewage after the retort (IV) of flow model ultrasonic cavitation degraded dyeing and printing sewage reactor drum; Start ultrasonic generator through maneuver control device (I); Digital waveform generator by based on micro-chip (AT89C51) produces sine wave, carries out linear power through power transistor and amplifies, and isolates and impedance matching through high-frequency transformer and interlock circuit thereof again; Be coupled to electric flux on the immerseable ultrasonic transducer (III); To giving off ultrasonic energy in the dyeing and printing sewage all around, begin to carry out the operation of cavitation degraded phonochemical reaction by cumulative radiating bars (14), materialitys such as organic pollutant generation chain rupture, decomposition, oxidation are changed; When starting ultrasonic generator; Start high-speed stirring decollator (II); Huge dynamic potential energy by the high speed rotating generation; Dyeing and printing sewage in the retort (IV) is carried out the powerful mechanical stirring of high speed disperse, make organic pollutant break, move, collide isostructuralism and change, cooperate the operation of power ultrasonic cavitation degraded phonochemical reaction; When starting ultrasonic generator; Start supersaturation and dissolve gas generator (V); Produce the high pressure supersaturation and dissolve gas; Send in the aerating pore scatterer (15) through induction pipe (2), discharging in the dyeing and printing sewage of microbubble form in retort (IV), and powerfully participate in the operation of ultrasonic cavitation degraded phonochemical reaction.
In flow model ultrasonic cavitation degraded dyeing and printing sewage reactor drum, after high-concentration dye-printing sewage is handled through power ultrasonic cavitation degradation technique, the hydrophobicity in the complicated Persistent organic pollutants, volatilizable part, CO, H that the direct decomposing oxidation of quilt becomes
2O, CO
2, N
2Deng gas, directly enter atmosphere through retort vapor pipe (11) with molten gas residual air; Wetting ability, difficult volatile fraction in the complicated Persistent organic pollutants; Oxidized being cracked into is simple and easy to degradation of organic substances; Enter in the chemical oxidation degraded pond in the existing Sewage treatment systems of enterprise through retort cavitation degraded rising pipe (6), accept technical finesses such as oxidation, deposition, separation, purification by enterprise's art methods.
The present invention selects the main technical details confirmed:
Retort structure formation: round can shaped full-closed structure.
Retort structural parameter: tank diameter: Φ 1800mm; Cover, jar end semiaxis height: 150mm; Liquid level virtual height: 650mm.
The effective cubic capacity of liquid: 2.8m
3
System's water-in and water-out pipeline diameter: Φ 160mm.
Dyeing and printing sewage is into and out of pipe flow speed: 4.7m/min.
Liquid-flow mode: continuously stirring constant flow mode.
Dyeing and printing sewage COD initially adapts to concentration :≤5300mg/L.
Dyeing and printing sewage initially adapts to pH value :≤13.
High-speed stirring decollator rotating speed: 860～1080r/min.
The dyeing and printing sewage ultrasonic radiation time: 30min.
Power ultrasonic frequency: 50KH
Z～120KH
Z
The power ultrasonic sound intensity: 2.2～2.8W/cm
2
Power ultrasonic power: 165～220W/m
3
Cumulative radiating bars structure formation: compound immerseable.
Cumulative radiation diameter: Φ 50mm.
Claims (5)
1. flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum is characterized in that: this reactor drum comprises that retort (IV), immerseable ultrasonic transducer (III), high-speed stirring decollator (II), supersaturation dissolve gas generator (V), steering controller (I); Immerseable ultrasonic transducer (III) is fixed on the retort cover (8) with 120 ° of position of halving of concentric(al) circles, and cumulative radiating bars (14) is to immerse in the dyeing and printing sewage of arranged in form in retort (IV); High-speed stirring decollator (II) is fixed on the central position of retort cover (8), and stir shaft (4), dispersed with stirring dish (12) are to immerse in the dyeing and printing sewage of arranged in form in retort (IV); Gas generator (V) is dissolved in supersaturation, is fixed on the outer appropriate location of retort (IV), is connected with aerating pore scatterer (15) through induction pipe (2); Steering controller (I) is fixed on the outer appropriate location of retort (IV), is connected with the total terminal box of retort (16) through bundle conductor (19).
2. flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum according to claim 1, it is characterized in that: described retort (IV), global design become round can type full-closed structure; Form by cover (8), tank body (5), jar end (17), mounting bracket (1); Tank body (5) is welded into integral body with a jar end (17); Tank body (5) realizes unlatching fast with cover (8) through quick mounting flange (7) or sealing is fixing fast, and each part part of retort (IV) boiler sheet that is all anticorrosion with having, resistance to elevated temperatures is processed; Vapor pipe (11), design arrangement is on retort cover (8); Cavitation degraded rising pipe (6), design and installation is on the top of retort tank body (5), and the water inlet pipe that has now in the dyeing and printing sewage treatment unit with enterprise is connected; Dyeing and printing sewage water inlet pipe (18), design and installation are in retort tank body (5) bottom, and the rising pipe that has dyeing and printing sewage collection tapping equipment with enterprise now is connected; At the bottom of the retort jar (17) bottom, design and installation has emergent take off pipe (3), the water of emptying retort (IV) when being used for emergency requirement; On the appropriate location of retort tank body (5) inwall, design arrangement is equipped with related data monitoring sensor (13), is connected with maneuver control device (I) through total terminal box (16), bundle conductor (19); On the inwall of (17) at the bottom of the retort jar, be mounted with aerating pore scatterer (15), dissolve gas generation tank (V) through induction pipe (2) and supersaturation and be connected.
3. flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum according to claim 1; It is characterized in that: described high-speed stirring decollator (II); Install and fix on retort cover (8) central position, form by frequency control motor (10), stir shaft (4), dispersed with stirring dish (12); High-speed stirring decollator (II) selects frequency control motor (10) as driving propulsion source; The structure formation of dispersed with stirring device (II) is designed on stir shaft (4), be mounted with 2 groups and goes to upper and lower double-deck arrange, be furnished with separately some hocks, reverse hock type dispersed with stirring dish (12) form of installing.
4. flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum according to claim 1; It is characterized in that: gas generator (V) is dissolved in described supersaturation; Form by air compressor pump, monoatomic gas rotor charging point and induction pipe (2), aerating pore scatterer (15), be fixed on the outer appropriate location of retort (IV); The molten gas of high pressure supersaturation that gas generator (V) produces is dissolved in supersaturation; Through induction pipe (2) send to be arranged in the retort jar at the bottom of in the aerating pore scatterer (15) on (17); And form in the dyeing and printing sewage to retort (IV) in down in its effect and to discharge brute force participation phonochemical reaction with microbubble.
5. flow model ultrasonic cavitation degrading high concentration dyeing and printing sewage reactor drum according to claim 1; It is characterized in that: described immerseable ultrasonic transducer (III), form by cumulative radiating bars (14), mounting base (33), shell (22), fine setting sleeve (20), prestress sleeve (21), after vibration body (29), absorption piece (24), the flexible wafer (28) of acoustic feedback, node bearing (23), rear end cap (25), the flexible wafer (30) of piezoelectric ceramics, scale copper electrode (31), thick copper plate electrode (32), cold gas inlet pipe (27), contact conductor (26) parts; Electricity-sound translated zero parts are assembled in the cylindrical outside shell (22), are connected with cumulative radiating bars (14) through prestress sleeve (21), are connected with the total terminal box of retort (16) through contact conductor (26); 3 immerseable ultrasonic transducers (III) of configuration; Be fixed on the retort cover (8) by 120 ° of position of halving of concentric(al) circles through mounting base (33); Make the effective radiating area of every cumulative radiating bars (14) can be overlapping; Do not stay the blind area, and can both be evenly to dyeing and printing sewage radiation ultrasonic energy all around in 360 ° of directions.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105087959A CN102452699A (en) | 2010-10-18 | 2010-10-18 | Reactor for flowing ultrasonic cavitation degradation of high-concentration printing and dyeing sewage |
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| CN2010105087959A CN102452699A (en) | 2010-10-18 | 2010-10-18 | Reactor for flowing ultrasonic cavitation degradation of high-concentration printing and dyeing sewage |
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| CN102452699A true CN102452699A (en) | 2012-05-16 |
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| CN108283914A (en) * | 2018-04-19 | 2018-07-17 | 哈尔滨艾拓普科技有限公司 | A kind of large power supersonic chemical reactor based on radial vibration piezoelectric energy converter |
| CN109133256A (en) * | 2018-08-31 | 2019-01-04 | 江苏大学 | Laser ultrasonic selecting type cavitation sewage-treatment plant and method |
| CN110144748A (en) * | 2019-04-17 | 2019-08-20 | 南宁学院 | Industrial waste paper deinking equipment |
| CN110451749A (en) * | 2019-09-17 | 2019-11-15 | 山东大学 | A kind of intensifying method of oily sludge ultrasonic dehydration and system and technique |
| CN113277653A (en) * | 2021-04-09 | 2021-08-20 | 厚德九天（湖北）环保科技集团有限公司 | Desulfurization wastewater treatment system and method |
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