CN103421660B - A kind of base wine and membrane distillation method thereof of the double aromatic white spirit through film distillation upgrading - Google Patents
A kind of base wine and membrane distillation method thereof of the double aromatic white spirit through film distillation upgrading Download PDFInfo
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Abstract
The base wine and the membrane distillation method thereof that the present invention relates to a kind of double aromatic white spirit through film distillation upgrading, belong to wine brewing production technical field. The base wine of the double aromatic white spirit of film distillation of the present invention comprises following composition: ethyl hexanoate 1.2-1.8g/L, ethyl acetate 0.9-1.2g/L, ethyl lactate 0.6-0.8g/L, ethyl butyrate 0.12-0.18g/L, isoamyl alcohol 0.12-0.2g/L. Each constituent content, ratio reasonable coordination in the base wine of the double aromatic white spirit of film distillation of the present invention, quality and local flavor are good, make originally can not be used for blending the base wine vinosity lifting of solid fermentation by pure grains wine, reduce wine body and hook the difficulty of adjusting, make the processing that is optimized of system that this component of China white wine is extremely complicated, make the base wine of the unreasonable double aromatic white spirit of existing component reach better balance, just make its quality improving, the more mellow alcohol of local flavor.
Description
Technical field
The present invention relates to a kind of base wine of white wine and the preparation method in wine brewing is produced thereof, more particularly, the present invention relates to a kind of base wine and membrane distillation method thereof of the double aromatic white spirit through film distillation upgrading, belong to wine brewing production technical field.
Background technology
White wine claims again liquor, is the distinctive a kind of Spirit of China, is by starchy material, adds sugared leavening, through solid-state, semisolid or liquid state fermentation, distillation, store, blend and make. The temporary semi-finished product wine to be defined the level of interim warehouse-in that fermented-wine unstrained spirits obtains through distillation, habituation is referred to as " former wine " in the industry. The wine degree of former wine is generally at 60-80 °. Former wine, after deciding grade and level, classification, will combine warehouse-in ageing, and the former wine of storehouse ageing is " base wine ". It is the wine (a class wine) with certain organoleptic feature (same rank).
The main component of white wine is second alcohol and water, accounts for 98% of gross weight, and all the other 2% are only the multiple chromatogram framework ingredient and the micro-fragrance matter that form white wine individual style. In white wine, flavor component has detected 180 various ingredients at present. Mainly include machine acid, alcohol, ester, carbonyls and aromatic compound etc., although their content is atomic, determining quality and the style of wine. These components number, quantity relative ratio relationship each other, be the key component that forms the wine body of the plentiful coordination of white wine.
Ethyl lactate is held concurrently in aromatic white spirit as helping fragrant composition heating up in a steamer, the integrality that keeps wine body is had to effect very much, and very few, wine body is imperfect, too much, cause main body fragrant not outstanding, wine body is dull, therefore, research adopts corresponding technical measures, reduce the content of ethyl lactate in the former wine of this part, make content of ethyl lactate be controlled at zone of reasonableness, the quality that improves the aromatic white spirit of holding concurrently is had to real meaning.
The base wine of existing double aromatic white spirit or the content of former wine main component are: the micro constitutents such as ethyl hexanoate 1.2-1.8g/L, ethyl acetate 0.9-1.2g/L, ethyl lactate 2-3g/L, ethyl butyrate 0.12-0.18g/L, isoamyl alcohol 0.3-0.6g/L and other acid, ester, aldehyde, ketone, its content of ethyl lactate is higher, ratio is extremely inharmonious, cannot use base wine as blending.
In the prior art, the process for purification of former wine be mainly alcohol is carried out to rectifying, improve the purity of alcohol by rectifying column, but there is following shortcoming in this method:
1, need to repeat distillation by multi-stage column, energy consumption is high;
2, equipment investment and battlefield area are large;
3, after rectifying, in former wine, Hubeiwan is also removed, and can not remove for specific component.
Film distillation (MD) is the film separation process that membrane technology combines with still-process, and it is taking dewatering microporous film as medium, and under the effect of film both sides draught head, in feed liquid, volatile component sees through fenestra with steam form, thereby realizes the object separating. Compared with other conventional separation processes, film distillation has that separative efficiency is high, operating condition is gentle, to advantages such as the mechanical performance of film and material liquid interphase interaction and film are less demanding.
Film distillation adopts dewatering microporous film taking the poor film separation process as mass transfer driving force of film both sides atmospheric pressure, can be used for the distillation desalination of water, and the aqueous solution is removed to volatile materials. For example, in the time that the aqueous solution of different temperatures is separated by dewatering microporous film, due to the hydrophobicity of film, the aqueous solution of both sides all can not see through fenestra and enter opposite side, but because the air pressure that warms up the side aqueous solution and membrane interface is higher than cold side, steam will see through fenestra and enter cold side and condensation from warm side, this is quite similar with evaporation, mass transfer, condensation process in conventional distillation, so be called film still-process.
Paper document about film distillation technology:
1, Ma Jiutong, Zhang Fengjun, Wu Haoyu, " the film way of distillation is processed the research of methanol aqueous solution ", " water technology ", 2003(01);
In above-mentioned paper, disclose and utilized hollow-fibre membrane distillation assembly to process research to carry out film distillation containing methanol aqueous solution, high spot reviews affect the factor of methyl alcohol flux. As feed temperature, concentration, flow velocity, and carrier fluid flow velocity etc. Find best condition of work. Its method is to impel methyl alcohol to enter absorption liquid by film by the temperature difference of film both sides, and its component is only methyl alcohol and distilled water, so the method be not suitable for the processing of the present invention to the former wine of white wine.
2, Zheng Kai, Wang Changjin, Wu Chaoliang, Jin Jiang, " research of the film way of distillation separating alcohol aqueous solution ", " water technology ", 2009(07);
Above-mentioned paper discloses the ceramic-film tube adopting after modification, the low-concentration ethanol aqueous solution has been carried out film distillation experimental study high spot reviews the operating parameter of film still-process. The film that this technical scheme is selected is ceramic membrane; What process is the ethanol water of low concentration (1-5%), and component is only water and ethanol, cannot be to the reduction of some specific components or removal.
3, Sun Wei, Wang Zhihai, the Nong Shao village, " selection of hollow-fibre membrane optimal performance condition in the time of refining low alcohol white spirit ", " Journal of Dalian Institute of Light ", 1994(04).
Above-mentioned paper discloses the operating condition that a kind of hollow-fibre membrane filters for low wine, but the method for operation of film is not described in detail, and the index before and after filtering is not contrasted, and only to wine, the turbidity when the low temperature contrasts.
Patent documentation about film distillation technology:
1, State Intellectual Property Office to disclose an application number in 2012.7.11 be 201210056112.X, name is called the patent of invention of " a kind of membrane distillation technique that adopts hollow fiber film assembly treatment of dyeing and printing ", this patent provides a kind of membrane distillation technique that adopts hollow fiber film assembly treatment of dyeing and printing, comprises the following steps: step 1: the pretreatment of dyeing waste water, step 2: film distillation is processed: will pass into Thermostatic water heaters through pretreated waste water, utilize the low-quality thermal source that produces in dyeing and printing process and the heat exchange of Thermostatic water heaters, waste water is heated to 50-60 degree Celsius, then pass in the film distillation pond that hollow fiber film assembly is housed, in the time that waste water did not have hollow fiber film assembly, utilize constant temperature cold water storage cistern to pass into the cold water of 10-15 degree Celsius in the hollow-fibre membrane in hollow fiber film assembly, make the inside and outside formation temperature difference of hollow-fibre membrane, steam in waste water is by the migration of inner side, tunica fibrosa lateral, entering rear flank in tunica fibrosa is discharged by the cold water condensation of inner side. can improve well the salt rejection rate of wastewater treatment, reduce pretreatment requirement simultaneously, simplify processing procedure, energy-saving and emission-reduction, reduce operation and maintenance cost.
This patent provides a kind of membrane distillation technique that adopts hollow fiber film assembly treatment of dyeing and printing, if this process application is filtered to the following problem that mainly exists in the former wine dipper matter of white wine:
1) film immerses and is filtered in liquid, and the impurity in filtered fluid is very easily made the pollution of pair of films;
2) it passes into cooling water in film, after filtering, liquid directly mixes with cooling water, after mixing, liquid flooding could immerse filtered fluid water tank, if for filtering white wine, first to allow the wine after filtering enter again filtered fluid collecting box after mixing with cooling water, in fact cooling water has caused secondary pollution to filtering rear white wine, and after filtering, constituent content (as wine degree) is wayward.
2, State Intellectual Property Office to disclose an application number in 2008.2.13 be 200710058024.2, name is called the patent of invention of " by the membrane distillation dehydration method of the polyatomic alcohol water solution of Maize Production ", this patent discloses a kind of dewatering of the polyatomic alcohol water solution by Maize Production, belongs to the application technology of vacuum membrane distillation. the method adopts distillation device, first polyatomic alcohol water solution is heated to 61 DEG C-65 DEG C of temperature, then adopt feedstock pump that polyatomic alcohol water solution is joined in hollow-fibre membrane, form the vacuum environment of 0.085MPa-0.089MPa in film outside, transmit steam pressure difference thereby form in film both sides, water inside film in polyatomic alcohol water solution sees through fenestra and enters hollow-fibre membrane outside under the effect of steam pressure difference with vapor form, the cooling condensation Cheng Shui of the condenser system outside membrane module again, collect condensed water, thereby realization is concentrated by the dehydration of the polyatomic alcohol water solution of Maize Production. the invention has the advantages that, operating temperature is below 65 DEG C, and low with existing common way of distillation phase specific energy consumption, film used is high to the rejection of polyalcohol, and polyalcohol loss late is low.
It is only concentrated to its dehydration that above-mentioned corn polyatomic alcohol water solution adopts film distillation technology, cannot remove and reduce content for the composition that needs in the former wine of aromatic white spirit of holding concurrently to remove or reduce content, so just cannot obtain high-quality, double aromatic white spirit base wine that local flavor alcohol is positive.
Summary of the invention
It is inharmonious that the present invention is intended to solve in the base wine of existing double aromatic white spirit component ratio, cause that quality is not high, alcohol be not just for local flavor, the film distillation technology of other field is applied to the problem existing in the quality of China white wine and local flavor control, overcome its defect, a kind of base wine of the double aromatic white spirit through film distillation upgrading is provided, reach constituent content, ratio reasonable coordination, the object that quality and local flavor are good.
In order to realize foregoing invention object, its concrete technical scheme is as follows:
A base wine that distills the double aromatic white spirit of upgrading through film, is characterized in that: comprise following composition:
Ethyl hexanoate 1.2-1.8g/L
Ethyl acetate 0.9-1.2g/L
Ethyl lactate 0.6-0.8g/L
Ethyl butyrate 0.12-0.18g/L
Isoamyl alcohol 0.12-0.2g/L.
A membrane distillation method that distills the base wine of the double aromatic white spirit of upgrading through film, is characterized in that: comprise following processing step:
A, former wine pretreatment
Get the former wine of the double aromatic white spirit of identical alcoholic strength; Or the former wine of the double aromatic white spirit of different wine precision is mixed;
B, the distillation of former wine film are processed
To be heated to vapor state in a side of film through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, opposite side control vacuum at film is 0.7-0.95MPa, make the former wine that is heated to vapor state migrate to opposite side from a side of film, carry out cross-film migration;
C, condensation of gas
The device that is heated in step B be condensed after the former wine cross-film migration of vapor state is condensed into liquid, obtains the hold concurrently base wine of aromatic white spirit of film distillation.
According to Raoult's law, the content of lower boiling component in vapour phase is always than high in liquid phase. In the time that the mixed liquor that contains two kinds of compositions seethes with excitement, the content A in the steam of certain component is that A/B=K is its volatility coefficient with the ratio of the content B in solution. The volatility coefficient of micro constitutent is rectifying coefficient K ˊ with the ratio of the volatility coefficient of ethanol, if rectifying coefficient is greater than at 1 o'clock, represents that it is volatile compared with ethanol; And be less than at 1 o'clock, than the difficult volatilization of ethanol. Under a certain wine degree, in the time that the rectifying coefficient K of certain impurity ˊ is less than 1, illustrate that the concentration in the former ethanolic solution of the organic concentration ratio of another part in the ethanolic solution distillating is low. This partial organic substances is fewer than ethanol evaporation, has just reached the object that part is removed.
The present invention is in steps A, and the alcoholic strength of the former wine of the mixed double aromatic white spirit of former wine of the former wine of the double aromatic white spirit of described identical alcoholic strength or the double aromatic white spirit of different wine precision is 45-80%vol.
The present invention, in step B, described refer to former wine is heated to 50-65 DEG C being heated to vapor state through pretreated former wine in a side of film.
The present invention is in step B, and described film is hydrophobic hollow-fibre membrane, and is placed in the top of former drinks plane.
The material of above-mentioned hollow-fibre membrane is polytetrafluoroethylene (PTFE), and aperture is 0.01-0.5 μ m, and film internal diameter is 1-1.5mm, and external diameter is 2-3mm.
The present invention is in step C, and the condensation temperature of described condensation is 5-25 DEG C.
The present invention is in step C, and the cooling medium in described condenser is chilled water, chilled brine or crosses cold organic media.
The useful technique effect that the present invention brings:
1, each constituent content, ratio reasonable coordination in the base wine of the double aromatic white spirit of film distillation of the present invention, quality and local flavor are good. The base wine of double aromatic white spirit in prior art, its content of ethyl lactate is higher, and ratio is extremely inharmonious, cannot use base wine as blending. In the base wine of the double aromatic white spirit of film distillation of the present invention, ethyl lactate drops to proportional concentration scope, and isoamyl alcohol also has part to reduce simultaneously. The composition that the base wine of the double aromatic white spirit of film distillation of the present invention is retained is ethyl hexanoate, ethyl acetate, the composition that is lowered content is ethyl lactate, the situation that makes liquor body style imbalance on the high side that has prevented content of ethyl lactate occurs, reduce isoamyl alcohol, avoid isoamyl alcohol too much to cause bitter taste, the astringent taste of wine. The adjustment of said components makes originally can not be used for blending the base wine vinosity lifting of solid fermentation by pure grains wine, reduce wine body and hook the difficulty of adjusting, make the processing that is optimized of system that this component of China white wine is extremely complicated, make the base wine of the unreasonable double aromatic white spirit of existing component reach better balance, just make its quality improving, the more mellow alcohol of local flavor.
2, on the basis of existing membrane distillation technique, the invention provides a kind of membrane distillation technique of optimization, adopt hydrophobic film, make the former wine vaporization of film one side by heating, the vacuum of controlling in hollow-fibre membrane is 0.7-0.95MPa, the various gas molecules that vaporization evaporates are moved with different speed cross-films, making to need to remove the component tunicle of removing with part in the former wine of white wine holds back, and need the component retaining and the component partly retaining farthest to pass through, obtain film distillation base wine through condensation. The method is applicable to the extremely optimization process of complicated system of this component of China white wine, makes to process the unreasonable white wine of front component and reaches better balance, just makes its quality improving, the more mellow alcohol of local flavor; Described film is without immersing in former wine, and the membrane material using can not be dissolved in former wine yet, can not pollute film, has reduced the cost of producing and safeguarding; In the present invention, the material of cross-film migration is gas, indirectly contacts with cooling medium in condenser, can not pollute by film distillation base wine. The present invention adopts the China white wine membrane distillation technique technology of the former wine of odor type of holding concurrently that is suitable for, and removes or reduces specific components in the former wine of white wine to reach, and optimizes the object of white wine quality and local flavor.
3,, on the basis of basic technical scheme, preferably in steps A, former wine wine degree is controlled to 45-80%vol. The component that needs part to remove due to the present invention is ethyl lactate, takes into account part and removes fusel oil, makes the balance of ratio between these components, and the balance of ratio between they and ethyl hexanoate, just can reach quality and the local flavor of white wine the best. Because the volatility coefficient of each component (K) has very large relation with concentration of alcohol in white wine, so controlling former wine dilution is to be diluted to 45-80%vol, can be in reducing content of ethyl lactate, suitably reduce the content of isoamyl alcohol, make the film distillation base wine finally obtaining reach the quality and the local flavor that are more suitable for.
4, hydrophobic film of the present invention is preferably hydrophobic hollow-fibre membrane, by adopting the hollow-fibre membrane of the type, be 0.7-0.95MPa having selected vacuum pressure, initial alcoholic strength is 45-80%vol, after heating-up temperature is 50-65 DEG C of technique, utilize ethyl lactate volatility coefficient low, under this kind of process conditions, can make ethyl lactate be reduced to 1.5g/L by 5.0g/L, and at the material of this pressure and temperature and film, under index, output reaches processing requirements, condensation temperature is 5-25 DEG C, coordinate other technological parameters also between energy consumption and efficiency, to find equalization point. hydrophobic hollow fiber film is placed in to the top of former drinks plane, can cause secondary pollution to former wine, again because hollow-fibre membrane is pencil, space that almost can be more than filling level, can increase the area of unit space inner membrance, raises the efficiency.
Brief description of the drawings
Fig. 1 is the distillation device structural representation that embodiment 13 is applicable to membrane distillation technique of the present invention;
Fig. 2 is the distillation device structural representation that embodiment 14 is applicable to membrane distillation technique of the present invention;
Fig. 3 is hollow fiber film structure schematic diagram in embodiment 13,14;
Fig. 4 is the film distiller structural representation using in embodiment 14.
In figure, be labeled as: 1 is tank body, 2 is upper cover, 3 is liquid-inlet, 4 is gas vent, 5 is dividing plate, 6 is hollow-fibre membrane, 7 is heater, 8 is vacuum meter, 9 is rinse water entrance I, 10 is liquid level gauge I, 11 is hot blast import, 12 is sewage draining exit, 13 is conveyance conduit I, 14 is condenser, 15 is conveyance conduit II, 16 is liquid collecting tank, 17 is liquid level gauge II, 18 is vavuum pump, 19 is rinse water entrance II, 20 is former wine discharging opening, 21 is feeding engine, 22 is blow-off pipe, 23 is control system, 24 is seal cover, 25 is stop part, 26 is seal, 61 is end socket, 62 is hollow fiber film tube.
Detailed description of the invention
Embodiment 1
A base wine that distills the double aromatic white spirit of upgrading through film, comprises following composition:
Ethyl hexanoate 1.2g/L
Ethyl acetate 0.9g/L
Ethyl lactate 0.6g/L
Ethyl butyrate 0.12g/L
Isoamyl alcohol 0.12g/L.
Embodiment 2
A base wine that distills the double aromatic white spirit of upgrading through film, comprises following composition:
Ethyl hexanoate 1.8g/L
Ethyl acetate 1.2g/L
Ethyl lactate 0.8g/L
Ethyl butyrate 0.18g/L
Isoamyl alcohol 0.2g/L.
Embodiment 3
A base wine that distills the double aromatic white spirit of upgrading through film, comprises following composition:
Ethyl hexanoate 1.5g/L
Ethyl acetate 1.05g/L
Ethyl lactate 0.7g/L
Ethyl butyrate 0.15g/L
Isoamyl alcohol 0.16g/L.
Embodiment 4
A base wine that distills the double aromatic white spirit of upgrading through film, comprises following composition:
Ethyl hexanoate 1.7g/L
Ethyl acetate 1.1g/L
Ethyl lactate 0.65g/L
Ethyl butyrate 0.17g/L
Isoamyl alcohol 0.15g/L.
Embodiment 5
A membrane distillation method that distills the base wine of the double aromatic white spirit of upgrading through film, comprises following processing step:
A, former wine pretreatment
Get the former wine of the double aromatic white spirit of identical alcoholic strength; Or the former wine of the double aromatic white spirit of different wine precision is mixed;
B, the distillation of former wine film are processed
To be heated to vapor state in a side of film through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, opposite side control vacuum at film is 0.7MPa, make the former wine that is heated to vapor state migrate to opposite side from a side of film, carry out cross-film migration;
C, condensation of gas
The device that is heated in step B be condensed after the former wine cross-film migration of vapor state is condensed into liquid, obtains the hold concurrently base wine of aromatic white spirit of film distillation.
Embodiment 6
A membrane distillation method that distills the base wine of the double aromatic white spirit of upgrading through film, comprises following processing step:
A, former wine pretreatment
Get the former wine of the double aromatic white spirit of identical alcoholic strength; Or the former wine of the double aromatic white spirit of different wine precision is mixed;
B, the distillation of former wine film are processed
To be heated to vapor state in a side of film through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, opposite side control vacuum at film is 0.95MPa, make the former wine that is heated to vapor state migrate to opposite side from a side of film, carry out cross-film migration;
C, condensation of gas
The device that is heated in step B be condensed after the former wine cross-film migration of vapor state is condensed into liquid, obtains the hold concurrently base wine of aromatic white spirit of film distillation.
Embodiment 7
A membrane distillation method that distills the base wine of the double aromatic white spirit of upgrading through film, comprises following processing step:
A, former wine pretreatment
Get the former wine of the double aromatic white spirit of identical alcoholic strength; Or the former wine of the double aromatic white spirit of different wine precision is mixed;
B, the distillation of former wine film are processed
To be heated to vapor state in a side of film through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, opposite side control vacuum at film is 0.825MPa, make the former wine that is heated to vapor state migrate to opposite side from a side of film, carry out cross-film migration;
C, condensation of gas
The device that is heated in step B be condensed after the former wine cross-film migration of vapor state is condensed into liquid, obtains the hold concurrently base wine of aromatic white spirit of film distillation.
Embodiment 8
A membrane distillation method that distills the base wine of the double aromatic white spirit of upgrading through film, comprises following processing step:
A, former wine pretreatment
Get the former wine of the double aromatic white spirit of identical alcoholic strength; Or the former wine of the double aromatic white spirit of different wine precision is mixed;
B, the distillation of former wine film are processed
To be heated to vapor state in a side of film through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, opposite side control vacuum at film is 0.9MPa, make the former wine that is heated to vapor state migrate to opposite side from a side of film, carry out cross-film migration;
C, condensation of gas
The device that is heated in step B be condensed after the former wine cross-film migration of vapor state is condensed into liquid, obtains the hold concurrently base wine of aromatic white spirit of film distillation.
Embodiment 9
On the basis of embodiment 5-8, preferred:
In steps A, the alcoholic strength of the former wine of the mixed double aromatic white spirit of former wine of the former wine of the double aromatic white spirit of described identical alcoholic strength or the double aromatic white spirit of different wine precision is 45%vol.
In step B, described refer to former wine is heated to 50 DEG C being heated to vapor state through pretreated former wine in a side of film.
In step B, described film is hydrophobic hollow-fibre membrane, and is placed in the top of former drinks plane.
The material of described hollow-fibre membrane is polytetrafluoroethylene (PTFE), and aperture is 0.01 μ m, and film internal diameter is 1mm, and external diameter is 2mm.
In step C, the condensation temperature of described condensation is 5 DEG C.
In step C, the cooling medium in described condenser is chilled water, chilled brine or crosses cold organic media.
Embodiment 10
On the basis of embodiment 5-8, preferred:
In steps A, the alcoholic strength of the former wine of the mixed double aromatic white spirit of former wine of the former wine of the double aromatic white spirit of described identical alcoholic strength or the double aromatic white spirit of different wine precision is 80%vol.
In step B, described refer to former wine is heated to 65 DEG C being heated to vapor state through pretreated former wine in a side of film.
In step B, described film is hydrophobic hollow-fibre membrane, and is placed in the top of former drinks plane.
The material of described hollow-fibre membrane is polytetrafluoroethylene (PTFE), and aperture is 0.5 μ m, and film internal diameter is 1.5mm, and external diameter is 3mm.
In step C, the condensation temperature of described condensation is 25 DEG C.
In step C, the cooling medium in described condenser is chilled water, chilled brine or crosses cold organic media.
Embodiment 11
On the basis of embodiment 5-8, preferred:
In steps A, the alcoholic strength of the former wine of the mixed double aromatic white spirit of former wine of the former wine of the double aromatic white spirit of described identical alcoholic strength or the double aromatic white spirit of different wine precision is 62.5%vol.
In step B, described refer to former wine is heated to 57.5 DEG C being heated to vapor state through pretreated former wine in a side of film.
In step B, described film is hydrophobic hollow-fibre membrane, and is placed in the top of former drinks plane.
The material of described hollow-fibre membrane is polytetrafluoroethylene (PTFE), and aperture is 0.255 μ m, and film internal diameter is 1.25mm, and external diameter is 2.5mm.
In step C, the condensation temperature of described condensation is 15 DEG C.
In step C, the cooling medium in described condenser is chilled water, chilled brine or crosses cold organic media.
Embodiment 12
On the basis of embodiment 5-8, preferred:
In steps A, the alcoholic strength of the former wine of the mixed double aromatic white spirit of former wine of the former wine of the double aromatic white spirit of described identical alcoholic strength or the double aromatic white spirit of different wine precision is 56%vol.
In step B, described refer to former wine is heated to 52 DEG C being heated to vapor state through pretreated former wine in a side of film.
In step B, described film is hydrophobic hollow-fibre membrane, and is placed in the top of former drinks plane.
The material of described hollow-fibre membrane is polytetrafluoroethylene (PTFE), and aperture is 0.09 μ m, and film internal diameter is 1.15mm, and external diameter is 2.7mm.
In step C, the condensation temperature of described condensation is 22 DEG C.
In step C, the cooling medium in described condenser is chilled water, chilled brine or crosses cold organic media.
Embodiment 13
Be applicable to the distillation device of membrane distillation technique of the present invention:
A kind of distillation device for former wine dipper matter, comprise film distiller, condenser 14 and liquid collecting tank 16, one end of described condenser 14 is communicated with the output of film distiller, the other end is communicated with the input of liquid collecting tank 16, in described film distiller, be provided with one group of hollow-fibre membrane 6 that is " U " shape, described hollow-fibre membrane 6 is immersed in the former wine that is arranged in film distiller, and " U " shape openend of hollow-fibre membrane 6 is communicated with the gas vent 4 that is positioned at film distiller top.
Described film distiller comprises tank body 1 and upper cover 2, described tank body 1 is provided with liquid-inlet 3, described gas vent 4 is arranged on upper cover 2, described upper cover 2 is fixed on tank body 1 and forms annular seal space, in described annular seal space, be provided with dividing plate 5, annular seal space is divided into liquid storehouse and gaseous state storehouse by described dividing plate 5; Described liquid storehouse is communicated with liquid-inlet 3, and gaseous state storehouse is communicated with gas vent 4; Described hollow-fibre membrane 6 is immersed in the former wine that is arranged in liquid storehouse, and " U " shape openend of described hollow-fibre membrane 6 is fixed on dividing plate 5, and described liquid storehouse is communicated with gaseous state storehouse by hollow-fibre membrane 6.
Described hollow-fibre membrane 6 comprises end socket 61 and is " U " shape hollow fiber film tube 62, and " U " shape openend of described hollow fiber film tube 62 is fixed on end socket 61, and residue body portion is suspended in liquid storehouse; Hollow-fibre membrane 6 is fixed on " U " shape openend of hollow fiber film tube 62 on dividing plate 5 by end socket 61.
Described dividing plate 5 is provided with screwed hole, and described end socket 61 is provided with screw thread, and described hollow-fibre membrane 6 is fixed on dividing plate 5 by screw thread and screwed hole.
Described a kind of distillation device for former wine dipper matter also comprises conveyance conduit I 13 and conveyance conduit II 15, one end of described condenser 14 is communicated with the gas vent 4 of film distiller by conveyance conduit I 13, and the other end is communicated with the input of liquid collecting tank 16 by conveyance conduit II 15.
Described liquid-inlet 3 is arranged on film distiller middle part, and film distiller middle part is also provided with vacuum meter 8, rinse water entrance I 9 and liquid level gauge I 10; Described film distiller bottom is provided with sewage draining exit 12; Described upper cover 5 is also provided with hot blast import 11.
Described a kind of distillation device for former wine dipper matter also comprises control system 23, and described tank body 1 bottom is provided with heater 7, and described heater 7 is connected with control system 23.
The input of described liquid collecting tank 16 is arranged on liquid collecting tank middle part, and described liquid collecting tank middle part is provided with liquid level gauge II 17 and vavuum pump 18, and the top of described liquid collecting tank 16 is provided with rinse water entrance II 19.
The bottom of described liquid collecting tank 16 is provided with former wine discharging opening 20.
When use, need the former wine of purifying to enter after film distiller by the liquid-inlet 3 of film distiller, by heater, liquid is heated again, enter gas phase by each component volatilization in wine, film is selectively held back and need to be removed component, after needing retained fraction by hollow-fibre membrane 6, enter gaseous state storehouse, then enter and in condenser 14, carry out coolingly through conveyance conduit I 13, deliver in liquid collecting tank 16 and focus on by conveyance conduit II 15 again after cooling.
Embodiment 14
Be applicable to the distillation device of membrane distillation technique of the present invention:
A kind of distillation device for former wine dipper matter, comprise film distiller, condenser 14 and liquid collecting tank 16, one end of described condenser 14 is communicated with the output of film distiller, the other end is communicated with the input of liquid collecting tank 16, in described film distiller, be provided with three groups of hollow-fibre membranes 6 that are " U " shape, described hollow-fibre membrane 6 is immersed in the former wine that is arranged in film distiller, and " U " shape openend of hollow-fibre membrane 6 is communicated with the gas vent 4 that is positioned at film distiller top.
Described film distiller comprises tank body 1 and upper cover 2, described tank body 1 is provided with liquid-inlet 3, described gas vent 4 is arranged on upper cover 2, described upper cover 2 is fixed on tank body 1 and forms annular seal space, in described annular seal space, be provided with dividing plate 5, annular seal space is divided into liquid storehouse and gaseous state storehouse by described dividing plate 5; Described liquid storehouse is communicated with liquid-inlet 3, and gaseous state storehouse is communicated with gas vent 4; Described hollow-fibre membrane 6 is immersed in the former wine that is arranged in liquid storehouse, and " U " shape openend of described hollow-fibre membrane 6 is fixed on dividing plate 5, and described liquid storehouse is communicated with gaseous state storehouse by hollow-fibre membrane 6.
Described film distiller also comprises the seal cover 24 that is provided with stop part 25, and described seal cover 24 is fixed on tank body 1, and described upper cover 2 is pressed on tank body 1 by stop part 25.
Described tank body 1 is provided with seal 26 with the junction of upper cover 2, and described seal 26 can be sealing ring.
Described hollow-fibre membrane 6 comprises end socket 61 and is " U " shape hollow fiber film tube 62, and " U " shape openend of described hollow fiber film tube 62 is fixed on end socket 61, and residue body portion is suspended in liquid storehouse; Hollow-fibre membrane 6 is fixed on " U " shape openend of hollow fiber film tube 62 on dividing plate 5 by end socket 61.
Described dividing plate 5 is provided with screwed hole, and described end socket 61 is provided with screw thread, and described hollow-fibre membrane 6 is fixed on dividing plate 5 by screw thread and screwed hole.
Described a kind of distillation device for former wine dipper matter also comprises conveyance conduit I 13 and conveyance conduit II 15, one end of described condenser 14 is communicated with the gas vent 4 of film distiller by conveyance conduit I 13, and the other end is communicated with the input of liquid collecting tank 16 by conveyance conduit II 15.
Described liquid-inlet 3 is arranged on film distiller middle part, and film distiller middle part is also provided with vacuum meter 8, rinse water entrance I 9 and liquid level gauge I 10; Described film distiller bottom is provided with sewage draining exit 12; Described upper cover 5 is also provided with hot blast import 11.
Described a kind of distillation device for former wine dipper matter also comprises control system 23, and described tank body 1 bottom is provided with heater 7, and described heater 7 is connected with control system 23.
The input of described liquid collecting tank 16 is arranged on liquid collecting tank middle part, and described liquid collecting tank middle part is provided with liquid level gauge II 17 and vavuum pump 18, and the top of described liquid collecting tank 16 is provided with rinse water entrance II 19.
The bottom of described liquid collecting tank 16 is provided with former wine discharging opening 20.
Described former wine discharging opening 20 is provided with feeding engine 21 and blow-off pipe 22.
Claims (6)
1. a base wine that distills the double aromatic white spirit of upgrading through film, is characterized in that: comprise following composition:
Ethyl hexanoate 1.2-1.8g/L
Ethyl acetate 0.9-1.2g/L
Ethyl lactate 0.6-0.8g/L
Ethyl butyrate 0.12-0.18g/L
Isoamyl alcohol 0.12-0.2g/L
The base wine of the described double aromatic white spirit through film distillation upgrading is obtained by following methods upgrading:
A, former wine pretreatment
Get the former wine of the double aromatic white spirit of identical alcoholic strength; Or the former wine of the double aromatic white spirit of different wine precision is mixed;
B, the distillation of former wine film are processed
To be heated to 50-65 DEG C in a side of film through pretreated former wine, become vapor state, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, in the opposite side control vacuum of film, make the former wine that is heated to vapor state migrate to opposite side from a side of film, carry out cross-film migration;
C, condensation of gas
The device that is heated in step B be condensed after the former wine cross-film migration of vapor state is condensed into liquid, obtains the hold concurrently base wine of aromatic white spirit of film distillation.
2. the base wine of a kind of double aromatic white spirit through film distillation upgrading according to claim 1, it is characterized in that: in steps A, the alcoholic strength of the former wine of the mixed double aromatic white spirit of former wine of the former wine of the double aromatic white spirit of described identical alcoholic strength or the double aromatic white spirit of different wine precision is 45-80%vol.
3. the base wine of a kind of double aromatic white spirit through film distillation upgrading according to claim 1, is characterized in that: in step B, described film is hydrophobic hollow-fibre membrane, and is placed in the top of former drinks plane.
4. the base wine of a kind of double aromatic white spirit through film distillation upgrading according to claim 3, is characterized in that: the material of described hollow-fibre membrane is polytetrafluoroethylene (PTFE), and aperture is 0.01-0.5 μ m, and film internal diameter is 1-1.5mm, and external diameter is 2-3mm.
5. the base wine of a kind of double aromatic white spirit through film distillation upgrading according to claim 1, is characterized in that: in step C, the condensation temperature of described condensation is 5-25 DEG C.
6. the base wine of a kind of double aromatic white spirit through film distillation upgrading according to claim 1, is characterized in that: in step C, the cooling medium in described condenser is chilled water, chilled brine or crosses cold organic media.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101434898A (en) * | 2007-11-13 | 2009-05-20 | 姚云 | White spirit blending process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434898A (en) * | 2007-11-13 | 2009-05-20 | 姚云 | White spirit blending process |
Non-Patent Citations (2)
| Title |
|---|
| 中空纤维膜在精制低度白酒时最适操作条件的选择;孙伟 等;《大连轻工业学院学报》;19941231;第13卷(第4期);第27-32页 * |
| 全国兼香型白酒品评与分析;向军;《酿酒科技》;20101231(第11期);第105-109页 * |
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