CN103752036A - Bubble-assisted organic liquid film generator - Google Patents
Bubble-assisted organic liquid film generator Download PDFInfo
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- CN103752036A CN103752036A CN201410023670.5A CN201410023670A CN103752036A CN 103752036 A CN103752036 A CN 103752036A CN 201410023670 A CN201410023670 A CN 201410023670A CN 103752036 A CN103752036 A CN 103752036A
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Abstract
The invention relates to a bubble-assisted organic liquid film generator. Structures of a gas-phase gas distributing sieve and a gas-phase buffer room are adopted so that a high-speed airflow beam at an outlet of a gas-phase pipeline is rapidly dispersed in the gas-phase buffer room, and thus the stabilizing and the homogenizing of air pressure in gas distributing needles are achieved; a multi-level dispersed flow regulating and pressure stabilizing structure including a light-phase dispersing ring, a light-phase buffer room, a light-phase stream guidance hole, a light-phase stream guidance ring, a light-phase distribution room, a light-phase restrictor ring and the like is adopted, so as to realize the rapid dispersed circulation and the stable-pressure and balance output of light phase; the gas distributing needles are inserted in bubble film generating holes, so as to skillfully combine the light phase and gas phase in the bubble film generating holes, and thus a continuous bubble film is rapidly generated on the surface of a bubble film generating plate synchronously and stably in multiple holes.
Description
Technical field
The invention belongs to technical field of chemical separation, particularly relate to the auxiliary organic liquid film generator of a kind of bubble.
Background technology
Solvent extraction is a kind of more traditional industrial separation extractive technique, it has the advantages such as selective height, good separating effect, easy operating and applicability are strong, thereby is widely used in the fields such as oil, chemical industry, pharmacy, metallurgy, environmental protection, bioengineering and fabrication of new materials.Along with the development of modern industry, separation system becomes increasingly complex, concentration of component to be separated is more and more lower, the character of separate object more and more approaches, environmental improvement standard is more and more stricter, and people also have higher requirement to isolation technics and separation equipment.
Air assisted solvent extraction technology is the effect that utilizes bubble agitation or bubble surface to adsorb and carry secretly, and the oil phase of carrying organic extractant is dispersed in the continuous water of large volume.Bubble is in uphill process, and the organic extractant extraction that in water, target components to be extracted can be adsorbed by bubble surface or carry secretly traps.With regard to mode of operation, air assisted solvent extraction is different from traditional profit two-phase extraction and adopts mechanical agitation to be dispersed with the mass transfer pattern of machine oil phase.Because air assisted solvent extraction process is introduced bubble decentralized photo, organic oil phase of small size can be dispersed in the continuous water of large volume, can greatly be strengthened separative efficiency and the extracting power of object in water to be extracted by the three-phase system that bubble-organic oil phase-water to be extracted forms.In addition, bubble surface can also reduce solution loss and the secondary pollution of organic oil phase in extraction process to greatest extent to the adsorbing and trapping effect of organic oil phase.
CN 1962017A discloses a kind of air assisted solvent extraction method and equipment, and extraction equipment main body comprises that gas helps and subtract mixed extraction section, and its top arranges organic solvent inlet, and its lower end arranges distribution device in gas-fluid and water outlet; Qi Zhu strengthening extraction district, its top arranges water import, and moving component and driving shaft are set in district, and the drive unit at equipment top drives moving component motion by driving shaft; Three-phase enlarging Disengagement zone, its inside arranges bubble enlarging passage, and upper end arranges auxiliary organic solvent import and gas vent, and sidewall arranges organic solvent inlet.Gas helps the upper end that subtracts mixed extraction section that organic solvent inlet is set, and organic solvent directly enters Qi Zhu strengthening extraction district.This equipment traps organic solvent, concentration and separation organic matter or ionic species by Moving Bubble, having reduced organic solvent loses owing to being soluble in the aqueous phase and the secondary pollution to water, in Qi Zhu strengthening extraction district, carry out gas and help strengthening liquid-liquid extraction, improved the extraction efficiency of equipment.But this equipment Shortcomings in design: the one, organic solvent import is arranged on gas and helps the upper end that subtracts mixed extraction section, distribution device in gas-fluid is located at gas and helps and subtract lower end, mixed extraction section, gas phase bloats bubble after distribution device in gas-fluid distributes again in liquid phase, gaseous phase outlet and organic solvent outlet are separate, they meet in uphill process is random, bubble absorption and to carry the probability of organic solvent secretly less, majority of organic solvent passive movement bubble has been dispersed into little oil droplet, extraction mass transfer is mainly completed by little oil droplet, and then by the little oil droplet of bubble trap.When heavy phase aqueous solution liquid stream flow is larger, organic gently mutually little oil droplet cannot rise smoothly, very easily causes extracting and emulsifying; The 2nd, organic solvent directly enters Qi Zhu strengthening extraction district, does not design liquid stream voltage stabilizing and apparatus for redistributing, and gas phase is not considered the problem of voltage stabilizing too.In actual mechanical process, because the gentle phase pressure of organic solvent flow stream pressure is unstable, the dispersed very difficult realization of organic solvent, gas helps effect of extracting bad.
CN 102512848A has announced a kind of liquid-liquid diphase continuous extraction apparatus of comparing greatly, has designed a kind of organic light phase dispersal device structure being combined by liquid film distributor and air pressure surge chamber.Organicly gently from being positioned at the light phase entrance of bottom, through mozzle, pump into the interlayer space of liquid film distributor, organicly gently in liquid film distributor panel surface, spread out and form light phase liquid film.In lower end, be attached thereto logical pressure buffer chamber and blast gas, gas is through wireway, by organic bubble surface that is gently adsorbed on mutually, bubble is carrying organic light phase, through the micro channel of liquid film disperser, from the ejection of liquid film disperser riser upper end micropore, form the air bubble liquid-membrane that carries organic light phase, be dispersed in the interior water of tower, with the abundant contact mass transfer of water.The advantage of this device maximum is organic light phase export and gaseous phase outlet to merge, gas phase and organic gently contact after from the ejection of same passage, the air bubble liquid-membrane formation rate of carrying organic light phase obtains certain raising, has solved bubble and organic random problem of gently meeting.Organicly gently by this carrier of bubble, distribute comparatively evenly, become large with the contact area of water, organic light phase utilization rate and extraction efficiency are also improved.But also there is certain defect in this patent: although gas phase makes air pressure obtain certain buffering through gas buffer chamber, through gas diversion tube, enter liquid film distributor again, but only depend on the self-control of tower body bottom surge chamber, the effect of playing is very micro-, particularly, at continuous operation, pressure can not get buffering and dispersed, and this is not of uniform size by what cause bubble to form, even cause the hole having to have Bubble formation, what have does not have a Bubble formation; And organicly gently by pump, pump into mozzle, on liquid film disperser laminated disk, form organic liquid film, in continuous-flow, also there is fluctuation in organic light phase pressure, make liquid film variable thickness on dish, some liquid films are thicker, and what blow out is oil droplet, have too thin what blow out is pure bubble, in extraction process, formed bubble, organic oil droplet, carried three kinds of dispersities of air bubble liquid-membrane of organic light phase the phenomenon of depositing.Obviously, air bubble liquid-membrane formation rate is higher, and extraction and fractionation effect is better, more can farthest reduce solution loss and secondary pollution.
Therefore, how by structural design, air pressure and oil pressure to be uniformly distributed, can to stablize generation air bubble liquid-membrane, become gas and helped an extraction difficult problem urgently to be resolved hurrily.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide the auxiliary organic liquid film generator of a kind of bubble, to solve in air bubble liquid-membrane generative process, because gas phase and organic light phase pressure skewness cause stablizing the problem that produces air bubble liquid-membrane.
For reaching this object, the present invention by the following technical solutions:
The organic liquid film generator that bubble is auxiliary, comprises generator body, bubble chamber film generation board, air distribution plate and surge chamber next door;
The side of described bubble chamber film generation board and generator body fixed seal connection, surround generator inner space; There is hole in the bubble chamber film that described bubble chamber film generation board is provided with perforation;
Described air distribution plate is positioned at described generator inner space, surrounds Qing Xiang distributing chamber with bubble chamber film generation board and generator body; Described air distribution plate side is evenly equipped with light phase pod apertures;
Described air distribution plate is provided with cloth gas pin; Cloth gas pin is corresponding one by one with bubble chamber film generation hole, and cloth air tube is inserted through cloth gas pin by air distribution plate lower surface, enters bubble chamber film hole occurs through Qing Xiang distributing chamber; The syringe needle of cloth air tube and bubble chamber film generation board upper surface leave distance; The syringe needle of cloth air tube and bubble chamber film occur to leave light phase entrance between hole;
Described surge chamber next door is positioned at air distribution plate lower surface and generator body enclosed space; Wherein, surge chamber next door and air distribution plate composition gas phase surge chamber, surge chamber next door forms light phase surge chamber with peripheral generator body;
Described gas phase surge chamber bottom, through surge chamber next door and bottom, generator body bottom, be provided with gas phase interface; Gas phase interface is connected with gas phase cloth air sifter in gas phase surge chamber;
Described light phase surge chamber bottom is provided with light interfaces, and light interfaces is connected with light phase central dispersion in light phase surge chamber.
Organic liquid film generator that a kind of bubble of the present invention is auxiliary, comprise the gas distribution system that the gas phase surge chamber being comprised of surge chamber next door and air distribution plate, the light phase surge chamber being comprised of surge chamber next door and generator body, the Qing Xiang distributing chamber being comprised of generator body, bubble chamber film generation board and air distribution plate and gas phase cloth air sifter, cloth air tube form, and the light phase compartment system of light phase central dispersion, light phase pod apertures, light phase guide ring composition, and sealing, regulate fixture etc.
Air distribution plate lower surface of the present invention is processed with annular groove, and one end, surge chamber next door is fixed and sealed by annular groove and the air distribution plate of air distribution plate lower surface, and the other end is closely connected with generator body with securing member by seal.
The gas phase that enters gas phase surge chamber by gas phase interface reaches mild air-flow through gas phase cloth air sifter, and it is stable and balanced to be conducive to gaseous pressure.
By light interfaces, enter the light of light phase surge chamber and realize the gently first class pressure equiblibrium mass distribution at light phase surge chamber through the phase central dispersion that kicks the beam.
There is hole corresponding referring to one by one in cloth gas pin of the present invention and bubble chamber film: the position corresponding concentric co-axial one by one in cloth gas pin and bubble chamber film generation hole.
According to bubble chamber film, generate and require gas distribution syringe needle and bubble chamber film generation board upper surface to leave certain distance, gas distribution syringe needle external diameter is less than bubble chamber film generation bore dia, thereby form light phase entrance, be convenient to the phase entrance that kicks the beam of gently communicating in Qing Xiang distributing chamber and be combined in the gas phase of bubble chamber film generation board upper surface and cloth air tube input, form bubble chamber film.
Described bubble chamber film generation board is slab construction, its side and generator body fixed seal connection, and composition generates two-phase buffering voltage stabilizing and the synthesis gas vacuolar membrane space of bubble chamber film.
The diameter that hole occurs described bubble chamber film is 0.4～3.0mm.There is hole and be uniformly distributed on bubble chamber film generation board in described bubble chamber film, it be organic light generation hole of being combined generation bubble chamber film with gas phase.
Described air distribution plate is parallel installation with bubble chamber film generation board, and between two distances between plates and plate, location is fixing by distance between plates regulating part location.
Described light phase pod apertures and air distribution plate surface is vertical or be oblique angle.Described oblique angle is preferably 30 °～45 °.
In described Qing Xiang distributing chamber, on generator body, be fixed with light phase guide ring, described light phase guide ring is arranged near the runner of light phase pod apertures.Realize the light of first class pressure equiblibrium mass distribution and through the light phase pod apertures of air distribution plate side, enter Qing Xiang distributing chamber mutually, gently Qing Xiang distributing chamber center diffusion in opposite directions of light phase guide ring guiding, forms the equilibrium of light phase secondary pressure.
On cloth air tube, be provided with light phase restrictor ring near light phase porch.Pressure stability when light phase restrictor ring can guarantee gently by bubble chamber film, Kong Yubu air tube gap to occur.By regulating light phase restrictor ring diameter and throttling spacing, realize the equilibrium of light phase output pressure.Described light phase restrictor ring is sleeve pipe or the air ring being sleeved on cloth air tube.
Described light interfaces is connected with light phase input channel, and light phase input channel is provided with light phase control valve;
Described gas phase interface is connected with gas phase input channel, and gas phase input channel is provided with gas phase control valve.Gas phase interface is connected with feeder in generator body outside.
The distance of the syringe needle of described cloth air tube and bubble chamber film generation board upper surface is no more than 1/2 of bubble chamber film generation board thickness of slab.
Stable for guaranteeing gaseous pressure, on gas phase pipeline, gas phase vacuum tank can be set, gas phase air feed is continuous air feed or pulsed intermittent gas supply.
Implementation procedure of the present invention is:
(1) gas phase is after gas phase control valve adjust flux, by gas phase interface, after the gentle phase surge chamber of gas phase cloth air sifter voltage-regulation voltage-stabilization, enter gas distribution pin, realize gaseous pressure and be uniformly distributed at cloth air tube entrance, and by cloth air tube by even air pressure be transported to bubble chamber film occur hole gently combine with organic;
(2) organic light after the phase control valve regulation flow that kicks the beam, by light interfaces, through the phase central dispersion that kicks the beam, light phase surge chamber, light phase pod apertures, light phase guide ring, Qing Xiang distributing chamber, light phase restrictor ring, enter bubble chamber film generation hole and be combined with gas phase;
(3) gas phase that enters bubble chamber film generation hole is with organic light at bubble chamber film generation board Surface Creation bubble chamber film, bubble chamber film leaves bubble chamber film generation board under buoyancy, enter extraction system, in bubble chamber film uphill process, complete organic light mass transport process in extraction system.
Compared with prior art scheme, the present invention has following beneficial effect:
(1) the present invention adopts the gentle phase surge chamber of gas phase cloth air sifter structure, makes gas phase pipe outlet high velocity air bundle rapid dispersion to gas phase surge chamber, realizes the stable gas pressure equilibrium that enters cloth air tube.
(2) for solving the problems such as pressure distribution unstable equilibrium that organic light phase mobility and bad dispersibility cause, the present invention adopts the Multistage dispersions such as light phase central dispersion, light phase surge chamber, light phase pod apertures, light phase guide ring, Qing Xiang distributing chamber and light phase restrictor ring to adjust stream structure of voltage regulation, and the rapid dispersion of realizing light phase flows and voltage regulation equalization output.
(3) in the present invention, utilize gas distribution pin to insert bubble chamber film hole occurs, realize gently phase and gas phase ingenious combination in hole occurs bubble chamber film, realize porous synchronous and be stabilized in bubble chamber film generation board surface generation continuous air bubbles film fast.
(4) the present invention has realized structure and function integration Integrated design, apparatus structure compactness, and integrated level is high, and maintenance management is convenient.
Accompanying drawing explanation
Fig. 1: the structural representation of organic liquid film generator that a kind of bubble of the present invention is assisted;
Fig. 2: generator body structural representation (wherein a is that front view, b are top view);
Fig. 3: surge chamber next door structural representation (wherein a is that front view, b are top view);
Fig. 4: air distribution plate structural representation (wherein a is that front view, b are top view);
Fig. 5: bubble chamber film generation board structural representation (wherein a is that front view, b are top view);
Fig. 6: bubble chamber film forms schematic diagram.
In figure, mark is as follows:
1-bubble chamber film generation board; 2-distance between plates regulating part; 3-generator body; 4-air distribution plate; 5-surge chamber next door; 6-cloth air tube; The light phase restrictor ring of 7-; 8-gas phase cloth air sifter; The light interfaces of 9-; The light phase control valve of 10-; 11-gas phase control valve; 12-gas phase interface; The light phase central dispersion of 13-; The light phase surge chamber of 14-; 15-gas phase surge chamber; The light phase pod apertures of 16-; The light phase guide ring of 17-; 18-Qing Xiang distributing chamber; There is hole in 19-bubble chamber film; 20-bubble chamber film generation board locating hole; 21-surge chamber next door seal groove; 22-cloth gas pin; 23-distance between plates regulating part hole; 24-air distribution plate seal groove; 25-bubble chamber film generation board seal groove; 26-pump; 27-feeder.
The present invention is described in more detail below.But following example is only simple and easy example of the present invention, does not represent or limit the scope of the present invention, and protection scope of the present invention is as the criterion with claims.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate technical scheme of the present invention.
For the present invention is described better, be convenient to understand technical scheme of the present invention, typical but non-limiting embodiment of the present invention is as follows:
As shown in Fig. 1-Fig. 6, organic liquid film generator that a kind of bubble is auxiliary, comprises generator body 3, bubble chamber film generation board 1, air distribution plate 4 and surge chamber next door 5.
Described bubble chamber film generation board 1 is slab construction, and its side and generator body 3 fixed seal connections, surround generator inner space.As shown in Figure 2, generator body 3 is provided with bubble chamber film generation board locating hole 20.As shown in Figure 5, bubble chamber film generation board side is provided with bubble chamber film generation board seal groove 25.There is hole 19 in the bubble chamber film that described bubble chamber film generation board 1 is provided with perforation; The diameter that hole 19 occurs described bubble chamber film is 0.4～3.0mm.
Described air distribution plate 4 is positioned at described generator inner space, surrounds Qing Xiang distributing chamber 18 with bubble chamber film generation board 1 and generator body 3.As shown in Figure 4, the side of air distribution plate 4 is provided with air distribution plate seal groove 24.Described air distribution plate 4 is parallel installation with bubble chamber film generation board 1, and between two distances between plates and plate, location is located fixing by distance between plates regulating part 2.As shown in Figure 4, Figure 5, on described air distribution plate 4 and bubble chamber film generation board 1, be equipped with distance between plates regulating part hole 23.
Described air distribution plate 4 sides are evenly equipped with light phase pod apertures 16; Described light phase pod apertures 16 and air distribution plate 4 surfaces are vertical or be oblique angle.
In described Qing Xiang distributing chamber 18, be fixed with light phase guide ring 17 on generator body 3, described light phase guide ring 17 is arranged near the runner of light phase pod apertures 16; On cloth air tube 6, be provided with light phase restrictor ring 7 near light phase porch, described light phase restrictor ring 7 is for being sleeved on sleeve pipe or the air ring on cloth air tube 6.
Described air distribution plate 4 is provided with cloth gas pin 22; Cloth gas pin 22 is corresponding one by one with bubble chamber film generation hole 19, and cloth air tube 6 is inserted through cloth gas pin 22 by air distribution plate 4 lower surfaces, enters bubble chamber film hole 19 occurs through Qing Xiang distributing chamber 18; The syringe needle of cloth air tube 6 and bubble chamber film generation board 1 upper surface leave distance, and this distance is no more than 1/2 of bubble chamber film generation board 1 thickness of slab; The syringe needle of cloth air tube 6 and bubble chamber film occur to leave light phase entrance between hole 19.
Described surge chamber next door 5 is positioned at air distribution plate 4 lower surfaces and generator body 3 enclosed spaces; Wherein, surge chamber next door 5 forms gas phase surge chamber 15 with air distribution plate 4, and surge chamber next door 5 forms light phase surge chamber 14 with peripheral generator body 3.As shown in Figure 3,5 bottoms, described surge chamber next door are provided with surge chamber next door seal groove 21.
Described gas phase surge chamber 15 bottoms, through surge chamber next door 5 and generator body 3 bottoms, be provided with gas phase interface 12; Gas phase interface 12 is connected with gas phase cloth air sifter 8 in gas phase surge chamber 15.Described gas phase interface 12 is connected with gas phase input channel, and gas phase input channel is provided with gas phase control valve 11.Gas phase interface 12 is connected with feeder 27 in generator body 3 outsides.
Described light phase surge chamber 14 bottoms are provided with light interfaces 9, and light interfaces 9 is connected with light phase central dispersion 13 in light phase surge chamber 14.Described light interfaces 9 is connected with light phase input channel, and light phase input channel is provided with light phase control valve 10.
During operation, gas phase by feeder 27 after gas phase control valve 11 adjust fluxes, by gas phase entrance 12, enter gas phase cloth air sifter 8, gas phase enters gas phase surge chamber 15 through all pressures homogeneous of cloth air sifter, by gas phase surge chamber 15, enter cloth air tube 6 again, realized gaseous pressure being uniformly distributed of cloth air tube entrance, and by cloth air tube 6, even air pressure has been transported to bubble chamber film and hole 19 occurs gently combines with organic; Organic gently carried after light phase control valve 10 adjust fluxes through being positioned at generator body 3 by pump 26, by light interfaces 9, enter light phase central dispersion 13, realize the gently first class pressure equiblibrium mass distribution at light phase surge chamber 14, after being gently full of mutually light phase surge chamber 14, through kick the beam phase pod apertures 16 and light phase guide ring 17, enter Qing Xiang distributing chamber 18 under pressure, gently under the guide functions of light phase guide ring 17, to Qing Xiang distributing chamber 18 centers, spread, form the equilibrium of light phase secondary pressure; Gently be full of mutually after distributing chamber, through the further counterpressure of phase restrictor ring 7 that kicks the beam, enter bubble chamber film and hole 19 occurs be combined with gas phase, organicly gently on bubble chamber film generation board 1, form bubble chamber film with gas phase, enter extracting system, bubble chamber film completes mass transfer extraction in uphill process.
By organic liquid film generator auxiliary described bubble, for internal diameter, be 230mm, effectively extraction is highly carried out verification experimental verification in the extraction tower for 3m.Organic is gently the P507-kerosin (volume ratio: P507: kerosene=1:1) of 1.54mol/L saponification mutually, water is the weak solution of La concentration 100ppm, pH=2.5, and the feed rate of organic light phase is 30L/h, and water is 100L/h, gaseous pressure is 0.1MPa, than load, is 6.Generator body cavity internal diameter is 210mm, high 125mm, bubble chamber film generation bore dia is 0.4mm, the high 40mm of Qing Xiang distributing chamber, and light phase pod apertures and air distribution plate surface are 45 ° of oblique angles, cloth air tube internal diameter is 0.18mm, external diameter 0.3mm, high 60mm, the distance of gas distribution syringe needle and bubble chamber film generation board upper surface is 1mm, surge chamber next door is pyramidal structure, and tapering is 45 °.At the bottom of detection tower, in aqueous phase stream outlet, flow out La concentration and organic gently loss mutually in water, its extraction yield is 99.97%, treats that decentralized photo loss is less than 15ppm.
By organic liquid film generator auxiliary described bubble, for internal diameter, be 230mm, effectively extraction is highly carried out verification experimental verification in the extraction tower for 3m, organic is gently the P507-kerosin (volume ratio: P507: kerosene=1:1) of 1.54mol/L saponification mutually, water is the weak solution of La concentration 100ppm, pH=2.5, the feed rate of organic light phase is 30L/h, water is 100L/h, and gaseous pressure is 0.1MPa, than load, is 6.Generator body cavity internal diameter is 210mm, high 125mm, bubble chamber film generation bore dia is 0.8mm, the high 40mm of Qing Xiang distributing chamber, and light phase pod apertures and air distribution plate surface are 45 ° of oblique angles, cloth air tube internal diameter is 0.6mm, external diameter 0.7mm, high 60mm, the distance of gas distribution syringe needle and bubble chamber film generation board upper surface is 1mm, surge chamber next door is pyramidal structure, and tapering is 45 °.At the bottom of detection tower, in aqueous phase stream outlet, flow out La concentration and organic gently loss mutually in water, its extraction yield is 98.62%, treats that decentralized photo loss is less than 15ppm.
By organic liquid film generator auxiliary described bubble, for internal diameter, be 230mm, effectively extraction is highly carried out verification experimental verification in the extraction tower for 3m, organic is gently the P507-kerosin (volume ratio: P507: kerosene=1:1) of 1.54mol/L saponification mutually, water is the weak solution of La concentration 100ppm, pH=2.5, the feed rate of organic light phase is 30L/h, water is 100L/h, and gaseous pressure is 0.1MPa, than load, is 6.Generator body cavity internal diameter is 210mm, high 145mm, bubble chamber film generation bore dia is 3.0mm, the high 60mm of Qing Xiang distributing chamber, and light phase pod apertures and air distribution plate surface are 45 ° of oblique angles, cloth air tube internal diameter is 2.6mm, external diameter 2.9mm, high 60mm, the distance of gas distribution syringe needle and bubble chamber film generation board upper surface is 1mm, surge chamber next door is pyramidal structure, and tapering is 45 °.At the bottom of detection tower, in aqueous phase stream outlet, flow out La concentration and organic gently loss mutually in water, its extraction yield is 99.90%, treats that decentralized photo loss is less than 15ppm.
By organic liquid film generator auxiliary described bubble, for internal diameter, be 230mm, effectively extraction is highly carried out verification experimental verification in the extraction tower for 3m, organic is gently the P507-kerosin (volume ratio: P507: kerosene=1:1) of 1.54mol/L saponification mutually, water is the weak solution of La concentration 100ppm, pH=2.5, the feed rate of organic light phase is 30L/h, water is 100L/h, and gaseous pressure is 0.1MPa, than load, is 6.Generator body cavity internal diameter is 210mm, high 145mm, bubble chamber film generation bore dia is 0.7mm, the high 60mm of Qing Xiang distributing chamber, and light phase pod apertures and air distribution plate surface are 30 ° of oblique angles, cloth air tube internal diameter is 0.4mm, external diameter 0.6mm, high 60mm, the distance of gas distribution syringe needle and bubble chamber film generation board upper surface is 1mm, surge chamber next door is pyramidal structure, and tapering is 30 °.At the bottom of detection tower, in aqueous phase stream outlet, flow out La concentration and organic gently loss mutually in water, its extraction yield is 98.40%, treats that decentralized photo loss is less than 15ppm.
Embodiment 5
By organic liquid film generator auxiliary described bubble, for internal diameter, be 230mm, effectively extraction is highly carried out verification experimental verification in the extraction tower for 3m, organic is gently the P507-kerosin (volume ratio: P507: kerosene=1:1) of 1.54mol/L saponification mutually, water is the weak solution of La concentration 100ppm, pH=2.5, the feed rate of organic light phase is 80L/h, water is 300L/h, and gaseous pressure is 0.1MPa, than load, is 6.Generator body cavity internal diameter is 210mm, high 145mm, bubble chamber film generation bore dia is 0.7mm, the high 60mm of Qing Xiang distributing chamber, and light phase pod apertures and air distribution plate surface are 30 ° of oblique angles, cloth air tube internal diameter is 0.4mm, external diameter 0.6mm, high 60mm, the distance of gas distribution syringe needle and bubble chamber film generation board upper surface is 1mm, surge chamber next door is pyramidal structure, and tapering is 30 °.At the bottom of detection tower, in aqueous phase stream outlet, flow out La concentration and organic gently loss mutually in water, its extraction yield is 97.96%, treats that decentralized photo loss is less than 25ppm.
Applicant's statement, the present invention illustrates detailed construction feature of the present invention and method by above-described embodiment, but the present invention is not limited to above-mentioned detailed construction feature and method, do not mean that the present invention must rely on above-mentioned detailed construction feature and method could be implemented.Person of ordinary skill in the field should understand, any improvement in the present invention, and the selections of the equivalence replacement to the selected parts of the present invention and the increase of accessory, concrete mode etc., within all dropping on protection scope of the present invention and open scope.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the auxiliary organic liquid film generator of bubble, is characterized in that, comprises generator body (3), bubble chamber film generation board (1), air distribution plate (4) and surge chamber next door (5);
The side of described bubble chamber film generation board (1) and generator body (3) fixed seal connection, surround generator inner space; There is hole (19) in the bubble chamber film that described bubble chamber film generation board (1) is provided with perforation;
Described air distribution plate (4) is positioned at described generator inner space, surrounds Qing Xiang distributing chamber (18) with bubble chamber film generation board (1) and generator body (3); Described air distribution plate (4) side is evenly equipped with light phase pod apertures (16);
Described air distribution plate (4) is provided with cloth gas pin (22); Cloth gas pin (22) is corresponding one by one with bubble chamber film generation hole (19), and cloth air tube (6) is inserted through cloth gas pin (22) by air distribution plate (4) lower surface, enters bubble chamber film hole (19) occurs through Qing Xiang distributing chamber (18); The syringe needle of cloth air tube (6) and bubble chamber film generation board (1) upper surface leave distance; The syringe needle of cloth air tube (6) and bubble chamber film occur to leave light phase entrance between hole (19);
Described surge chamber next door (5) is positioned at air distribution plate (4) lower surface and generator body (3) enclosed space; Wherein, surge chamber next door (5) and air distribution plate (4) composition gas phase surge chamber (15), surge chamber next door (5) form light phase surge chamber (14) with peripheral generator body (3);
Described gas phase surge chamber (15) bottom, bottom surge chamber next door (5) and generator body (3), be provided with gas phase interface (12); Gas phase interface (12) is connected with gas phase cloth air sifter (8) in gas phase surge chamber (15);
Described light phase surge chamber (14) bottom is provided with light interfaces (9), and light interfaces (9) is connected with light phase central dispersion (13) in light phase surge chamber (14).
2. organic liquid film generator as claimed in claim 1, is characterized in that, described bubble chamber film generation board (1) is slab construction;
Preferably, the diameter in described bubble chamber film generation hole (19) is 0.4～3.0mm.
3. organic liquid film generator as claimed in claim 1 or 2, is characterized in that, described air distribution plate (4) is parallel installation with bubble chamber film generation board (1), and between two distances between plates and plate, location is fixing by distance between plates regulating part (2) location.
4. the organic liquid film generator as described in one of claim 1-3, is characterized in that, described light phase pod apertures (16) and air distribution plate (4) surface is vertical or be oblique angle; Described oblique angle is preferably 30 °～45 °.
5. the organic liquid film generator as described in one of claim 1-4, it is characterized in that, in described Qing Xiang distributing chamber (18), be fixed with light phase guide ring (17) on generator body (3), described light phase guide ring (17) is arranged near the runner of light phase pod apertures (16).
6. the organic liquid film generator as described in one of claim 1-5, is characterized in that, in upper, the close light phase of cloth air tube (6) porch, is provided with light phase restrictor ring (7).
7. organic liquid film generator as claimed in claim 6, is characterized in that, described light phase restrictor ring (7) is for being sleeved on sleeve pipe or the air ring on cloth air tube (6).
8. the organic liquid film generator as described in one of claim 1-7, is characterized in that, described light interfaces (9) is connected with light phase input channel, and light phase input channel is provided with light phase control valve (10).
9. the organic liquid film generator as described in one of claim 1-8, is characterized in that, described gas phase interface (12) is connected with gas phase input channel, and gas phase input channel is provided with gas phase control valve (11);
Preferably, described gas phase interface (12) is connected with feeder (27) in generator body (3) outside.
10. the organic liquid film generator as described in one of claim 1-9, is characterized in that, the distance of the syringe needle of described cloth air tube (6) and bubble chamber film generation board (1) upper surface is no more than 1/2 of bubble chamber film generation board (1) thickness of slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN106139638A (en) * | 2016-06-27 | 2016-11-23 | 中国科学院青岛生物能源与过程研究所 | A kind of extraction equipment and extracting process |
| CN106669224A (en) * | 2016-12-21 | 2017-05-17 | 中国科学院过程工程研究所 | Extraction apparatus |
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| CN100486664C (en) * | 2005-11-10 | 2009-05-13 | 中国科学院过程工程研究所 | Air assisted solvent extraction method and equipment |
| CN102512848B (en) * | 2011-12-07 | 2014-09-24 | 中国科学院过程工程研究所 | Large phase ratio liquid-liquid two-phase continuous extraction apparatus |
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| CN112604320A (en) * | 2020-11-30 | 2021-04-06 | 青岛理工大学 | Pre-dispersion micro-nano bubble supported liquid film generator |
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