CN102464571B - Ultrasonic atomization apparatus for ethanol concentration and ethanol concentration method - Google Patents
Ultrasonic atomization apparatus for ethanol concentration and ethanol concentration method Download PDFInfo
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- CN102464571B CN102464571B CN201010536279.7A CN201010536279A CN102464571B CN 102464571 B CN102464571 B CN 102464571B CN 201010536279 A CN201010536279 A CN 201010536279A CN 102464571 B CN102464571 B CN 102464571B
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Abstract
The invention relates to an ultrasonic atomization apparatus for ethanol concentration and an ethanol concentration method. The apparatus of the invention comprises an ultrasonic atomization tank provided with an ultrasonic atomizer, a mist trap and a collector; the mist trap consists of a cylindrical shell and a spiral blade capable of rotating in the cylindrical shell; the spiral blade is in a porous sheet shape; an inlet of the mist trap communicates with a mist outlet of the ultrasonic atomization tank; an outlet of the mist trap communicates with an inlet of the collector. The mist trap has two functions of guiding and trapping mist. The ethanol concentration method of the invention employs the above apparatus. Compared with a prior art, the invention has advantages of high recovery efficiency of mist atomized by ultrasonic and low energy consumption.
Description
Technical field
The present invention relates to a kind of apparatus and method of concentrating ethanol through ultrasonic atomization, particularly a kind of method that reclaims the spray of ultrasonic atomizatio generation.
Background technology
The advantages such as that biomass have is renewable, output large, can store, carbon cycle.Exploitation biomass energy is a kind of effective way that solves fossil energy crisis.Bio-ethanol is a kind of biomass energy that receives more concern.The cellulose wastes producd fibers ethanol that utilizes agriculture, forestry, has good Research Prospects.Biomass are converted into glucose through steps such as pre-treatment, then obtain ethanol through microorganism fermentation.Biomass can be divided into saccharine material, starchy material and cellulosic material substantially.The technology that saccharine material, starchy material are produced fuel alcohol is very ripe.Brazil is main with sugarcane direct production fuel alcohol, and the U.S. uses the output of Maize Production fuel alcohol also very large every year.But in general,, it is obviously unpractical relying on molasses, foodstuff starch raw material to solve the very large fuel problem of consumption, particularly all the more so for the larger countries and regions of population pressure.U.S. < < industrial enzymology > > thinks: " if ethanol industry will be survived, just must utilize lignocellulose to produce ".Utilize glucose direct fermentation to prepare the technique that ethanol is a comparative maturity of grain fermentation industry, and prepare in ethanol process at cellulose fermentation, apply mechanically this technique and make cellulose fermentation ethanol fail so far to walk out Technological Economy pass.The main process that cellulose fermentation is prepared ethanol comprises the steps such as pre-treatment, hydrolysis, fermentation, concentrate, has the deficiencies such as Production Flow Chart is long, energy consumption is high, waste water is many, affects the economy of industrial application.
The general concentration of ethanolic soln in the fermented liquid that microorganism fermentation directly obtains is lower, expect utilization, just must be through concentrate.The simplest, most widely used concentration method is distillation, but in ethanol volumetric concentration lower than 15% time, adopt the method energy consumption of distillation large, less economical.In addition, the method for concentrate also has the methods such as Adsorption Concentration, infiltration concentrate, and these methods all exist the deficiencies such as concentrate efficiency is low, less economical.
Ultrasonic concentrate is the novel ethanol concentration method that this area occurs.Ethanol has the too high physical property of surface concn, and ultrasonic concentration has utilized this character of ethanol just.Ultrasonic concentration unit consists of ultrasonic oscillator, gas blower, several parts of condensate recycling device conventionally.Owing to flowing to, the latent heat of energy Ratios ethanolic soln to be concentrated of vibrator is much smaller, the more energy of the comparable distillation and concentration method of ultrasonic concentration method saving.The droplet that ultrasonic atomizatio produces is very small, adopts general condensation method or method of trapping, is difficult to effectively spray is condensed into the ethanolic soln of standard state.The method of some aggegation spray has been proposed in existing domestic and international patent, comprising: the volume, cooling aggegation, the recovery unit that strengthen recovery unit are airtight, spray-absorption, to spray, force blowing to stir, baffle plate is set, spray vibrator etc. is set, the method of these trapping spray has a common feature to be, all be equipped with independently power conveying device, for example, in JP2005066526, JP2005066553, JP2005066554, CN200810011464.7, had the example with the ultrasonic technique of blast apparatus.In addition, these methods are not still very good realizing spray with the effect that fully contacts of trap member.If power can be carried with spray capture unit and is combined as a whole, and realize more fully contacting of spray and trap member, must reclaim more efficiently spray, greatly improve the economy of this method of concentrating ethanol through ultrasonic atomization.
Summary of the invention
The invention provides a kind of device of concentrating ethanol through ultrasonic atomization and use this device to concentrate the method for ethanol, the spray organic efficiency that the present invention has after ultrasonic atomizatio is high, the advantages such as less energy-consumption.
The device of concentrating ethanol through ultrasonic atomization of the present invention comprises ultrasonic atomizatio tank, spray trap and the collector that is provided with ultrasonic atomizer, wherein spray trap consists of cylindrical shell and the spiral fan that rotatablely moves in cylindrical shell, spiral fan is porous laminated structure, the entrance of spray trap communicates with the spray export mouth of ultrasonic atomizatio tank, and the outlet of spray trap communicates with collector entrance.
In apparatus of the present invention, the opening diameter of spiral fan is 0.2～2mm, and percentage of open area is 60%～90%, and the length of spray trap cylindrical shell is not less than 500mm, is generally 500～5000mm, and the rotating speed of spiral fan is generally 100～1000 revs/min.Spiral fan runs through whole cylindrical shell.Spray trap arranges one, or is set up in parallel several.
In apparatus of the present invention, ultrasonic atomizer and ultrasonic atomizatio tank can adopt the device of this area routine.In ultrasonic atomizer, be provided with vibrator, for making ethanolic soln ultrasonic atomizatio to be concentrated.Ultrasonic atomizatio tank is provided with the entrance of ethanolic soln to be concentrated, is also provided with the discharge outlet of Diluted Alcohol solution, and spray export mouth.
In apparatus of the present invention, the cylindrical shell of spray trap is cylindrical, and spiral fan can be a slice or several, can be that the integral body that runs through stack shell also can be divided into several sections.
In apparatus of the present invention, the container that collector is conventional structure, filler is equipped with on the best top of collector, and further spray is reclaimed in trapping.Filler can adopt the filler of this area routine, and the height of filler generally should not be less than 300mm.In collector, also spray equipment can be set, to increase the recovering effect of spray.
The method of the concentrated ethanol of the present invention, adopts single-stage concentrated or multistage concentrated, and wherein at least one-level concentrates and adopts the above-mentioned ultrasonic atomizatio concentrating unit of the present invention.The raw material of ethanolic soln be any fermenting process obtain containing ethanolic soln, or other commercial run obtain containing ethanolic soln.The frequency of ultrasonic oscillator is 1～10MHz.
In apparatus of the present invention, spray trap structure can provide for guiding transmission power and the fierce power that stirs spray of spray, and the size of this two portions power depends on the distribution situation in hole on the rotating speed of spiral fan and fan leaf.On blade densely covered aperture make flabellum when rotation the spray by cylinder with flabellum and barrel produce fierce, collide fully, and then assemble and to condense into drop and be gathered on barrel under centrifugal action, under the effect of gravity, along barrel, flow down and enter collector.With the Kong Eryan of fixed size, the Kong Yue on unit surface blade is many, and its transmission power proportion providing is less, and spray is more abundant with contacting of flabellum.Can be optimized as required design.
Compared with prior art, the present invention will be combined as a whole as the power handling equipment and the spray catching apparatus that shift spray power resources in the ultrasonic extracting and concentrating technology of usually ethanol, utilize the rotation of the spiral fan in spray trap cylinder to produce negative pressure, spray in ultrasonic atomizatio tank is sucked, and transmit to the other end of spray trap, simultaneously, the porous flake flabellum of rotation carries out fierce stirring to spray and fully repeatedly contacts with it, aerosol is trapped on flabellum and barrel, be aggregated into ethanolic soln, under the effect of centrifugal force and gravity, enter holding tank.Holding tank top is connected with packing tower, and packing tower can absorb a small amount of spray of not condensing, and absorption liquid flows down through tower wall again, and residual titration is in holding tank.
The spray organic efficiency that apparatus of the present invention and method have after ultrasonic atomizatio is high, the advantages such as good economy performance.In the present invention, rotatablely moving of spiral fan not only provides aerosol to transmit power, played the effect of aggegation processing spray simultaneously, flabellum is that porous laminated structure can contact very fully spray when by trap with flabellum and barrel, thereby reaches extraordinary spray trapping effect.And other devices, process power often discrete with transmission power, the ultrasonic concentration unit of blasting condensation of still take is example, it transmits power and is provided by blast apparatus, it processes power is but the temperature difference that heat-eliminating medium offers spray, cooling apparatus cost and cooling operation cost that this has just introduced the cost of heat-eliminating medium and has lowered the temperature for heat-eliminating medium.Therefore, the aggegation of apparatus of the present invention spray is effective, and organic efficiency is high, simple in structure, and economy is better.
Accompanying drawing explanation
Fig. 1 is device schematic diagram of the present invention.
1, the import of ethanolic soln to be concentrated; 2, ultrasonic atomizatio tank; 3, vibrator; 4, the discharge outlet of Diluted Alcohol solution; 5, inlet mouth; 6, spray introducing port; 7, spray trap; 8, motor; 9, spiral fan; 10, bearing; 11, trap barrel; 12, concentrated ethanolic soln introducing port; 13, packing tower; 14, holding tank; 15, tensimeter; 16, product discharge outlet.
Embodiment
Below in conjunction with accompanying drawing, illustrate a kind of detailed formation and working method of apparatus of the present invention.
As shown in Figure 1, the spray trap 7 of apparatus of the present invention comprises: spray introducing port 6, motor 8, spiral fan 9, bearing 10, trap barrel 11.Under steady-working state, spiral fan 9 is high speed rotating under the drive of motor 8, and the negative pressure of generation makes the spray in ultrasonic atomizatio tank 2 enter spray trap 7 by spray introducing port 6.Spray continues to move downward after entering trap 7, simultaneously, under the fierceness of flabellum is stirred, spray constantly fully contacts repeatedly with flabellum and barrel, assemble and condense into concentrated ethanolic soln, under the centrifugal action of flabellum, most aggegation liquid is attached on barrel and under the effect of gravity and flows down along barrel.The ethanolic soln of aggegation and the gas by trap enter holding tank backward.
The method of concentrated ethanol of the present invention, adopts the device of above-mentioned concentrating ethanol through ultrasonic atomization.First can utilize pump that ethanolic soln to be concentrated is squeezed in ultrasonic atomizatio tank 2 by import 1, arrive certain liquid level (vibrator must be immersed in solution), start vibrator 3, start ultrasonic atomizatio.And then starter motor 8, the spray producing in ultrasonic atomizatio tank 2 starts constantly by spray introducing port 6, to enter spray trap 7, the overwhelming majority spray in trap, be condensed into ethanolic soln, and with together with the spray of trap, enter holding tank 14 on a small quantity.Under the effect of gravity, concentrated ethanolic soln enters in holding tank 14 through introducing port 12, and assembles in holding tank bottom.There is a small amount of UA spray on holding tank top, enters in packing tower 13, is adsorbed on filler, arrives after a certain amount of and slides from inwall or the filler of packing tower, comes back in holding tank, and drops onto the bottom of holding tank.The ethanol of hoarding in holding tank arrives after certain liquid level, through the product discharge outlet 16 of holding tank bottom, discharges.
Claims (10)
1. the device of a concentrating ethanol through ultrasonic atomization, comprise the ultrasonic atomizatio tank, spray trap and the collector that are provided with ultrasonic atomizer, it is characterized in that: spray trap consists of cylindrical shell and the spiral fan that rotatablely moves in cylindrical shell, spiral fan is porous laminated structure, the entrance of spray trap communicates with the spray export mouth of ultrasonic atomizatio tank, and the outlet of spray trap communicates with collector entrance; The opening diameter of spiral fan is 0.2～2mm, and percentage of open area is 60%～90%.
2. according to device claimed in claim 1, it is characterized in that: the length of spray trap cylindrical shell is not less than 500mm.
3. according to device claimed in claim 1, it is characterized in that: the length of spray trap cylindrical shell is 500～5000mm.
4. according to device claimed in claim 1, it is characterized in that: the rotating speed of spiral fan is 100～1000 revs/min.
5. according to device claimed in claim 1, it is characterized in that: spiral fan runs through whole cylindrical shell.
6. according to device claimed in claim 1, it is characterized in that: spray trap arranges one.
7. according to device claimed in claim 1, it is characterized in that: the cylindrical shell of spray trap is cylindrical, spiral fan is a slice.
8. according to device claimed in claim 1, it is characterized in that: in ultrasonic atomizer, be provided with vibrator, the frequency of ultrasonic oscillator is 1～10MHz, for making ethanolic soln ultrasonic atomizatio to be concentrated.
9. according to device claimed in claim 1, it is characterized in that: filler is equipped with on collector top, further spray is reclaimed in trapping.
10. a method for concentrated ethanol, adopts single-stage concentrated or multistage concentrated, it is characterized in that: at least one-level concentrates the concentrating ethanol through ultrasonic atomization device that adopts one of claim 1 to 9 described.
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| CN201010536279.7A CN102464571B (en) | 2010-11-04 | 2010-11-04 | Ultrasonic atomization apparatus for ethanol concentration and ethanol concentration method |
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| CN201010536279.7A CN102464571B (en) | 2010-11-04 | 2010-11-04 | Ultrasonic atomization apparatus for ethanol concentration and ethanol concentration method |
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| CN102464571B true CN102464571B (en) | 2014-04-02 |
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| CN113694547B (en) * | 2021-09-28 | 2023-01-24 | 乐得清药业扬州有限公司 | Ultrasonic atomization concentration device |
| WO2023120100A1 (en) * | 2021-12-21 | 2023-06-29 | ナノミストテクノロジーズ株式会社 | Ultrasonic separation apparatus for solution |
| WO2023120101A1 (en) * | 2021-12-21 | 2023-06-29 | ナノミストテクノロジーズ株式会社 | Ultrasonic separation device for solution |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580794A (en) * | 2008-05-14 | 2009-11-18 | 中国石油化工股份有限公司 | Biomass fermentation-separation coupling device and ethanol preparation method |
| CN101726085A (en) * | 2008-10-13 | 2010-06-09 | 财团法人工业技术研究院 | Condensate water processing device for air-conditioning equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2404880B (en) * | 2003-07-25 | 2005-10-12 | Ultrasound Brewery | Ultrasonic solution separator |
| JPWO2006070839A1 (en) * | 2004-12-28 | 2008-06-12 | 超音波醸造所有限会社 | Ultrasonic separation method of solution and ultrasonic separation apparatus used in this method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580794A (en) * | 2008-05-14 | 2009-11-18 | 中国石油化工股份有限公司 | Biomass fermentation-separation coupling device and ethanol preparation method |
| CN101726085A (en) * | 2008-10-13 | 2010-06-09 | 财团法人工业技术研究院 | Condensate water processing device for air-conditioning equipment |
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