CN103421662B - A kind of base wine of the strong fragrant aromatic white spirit through membrane distillation upgrading and membrane distillation method thereof - Google Patents
A kind of base wine of the strong fragrant aromatic white spirit through membrane distillation upgrading and membrane distillation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of base wine and membrane distillation method thereof of the strong fragrant aromatic white spirit through membrane distillation upgrading, belong to technical field of wine production.The base wine of the strong fragrant aromatic white spirit of membrane distillation of the present invention comprises following composition: ethyl acetate 95-174mg/100mL, ethyl hexanoate 87-140mg/100mL, ethyl lactate 53-72mg/100mL, ethyl butyrate 16-29mg/100mL, ethyl formate 2-6mg/100mL, primary isoamyl alcohol 34-44mg/100mL.Each component concentration, ratio reasonable coordination in the base wine of the strong fragrant aromatic white spirit of membrane distillation of the present invention, quality and local flavor good, the base wine vinosity that originally can not be used for blending solid fermentation by pure grains wine is promoted, reduce wine body and hook the difficulty adjusted, the extremely complicated system of this component of China white wine is optimized process, the base wine of the strong fragrant aromatic white spirit making existing components unreasonable reaches better balance, just makes the more mellow alcohol of its quality improving, 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 strong fragrant aromatic white spirit through membrane distillation upgrading, belong to technical field of wine production.
Background technology
White wine, also known as liquor, is the distinctive a kind of liquor of China, is by starchy material, adds sugar-fermenting agent, through solid-state, semi-solid state or liquid state fermentation, distillation, store, blend and obtain.Fermented-wine unstrained spirits keeps in work in-process wine to be defined the level through distilling the interim warehouse-in obtained, and habituation is referred to as " former wine " in the industry.The wine degree of former wine is generally at 60-80%vol.Former wine is after deciding grade and level, classification, and will carry out the ageing of combination warehouse-in, 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 micro-fragrance matter that form white wine individual style.In current white wine, flavour ingredient has detected 180 various ingredients.Mainly include machine acid, alcohol, ester, carbonyl compound and aromatics etc., although their content is atomic, decide quality and the style of wine.These components number, quantity relative ratio relationship each other, be the key component of the wine body forming the plentiful coordination of white wine.
Ethyl lactate conduct in strong fragrant aromatic white spirit helps fragrant composition, to keeping the integrity of wine body to have effect very much, very few, wine body is imperfect, too much, cause main body fragrant not give prominence to, wine body is dull, therefore, research adopts corresponding technical measures, reduce the content of ethyl lactate in the former wine of this part, make the ratio reasonable coordination of ethyl lactate and ethyl hexanoate, ethyl acetate, the quality improving strong fragrant aromatic white spirit is had to the meaning of reality.
The former wine of existing strong fragrant aromatic white spirit or the content of base wine main component are: ethyl acetate 95-174mg/100mL, ethyl hexanoate 87-140mg/100mL, ethyl lactate 150-300mg/100mL, ethyl butyrate 16-29mg/100mL, ethyl formate 2-6mg/100mL, primary isoamyl alcohol 45-55mg/100mL, its content of ethyl lactate superelevation, ratio is extremely inharmonious, cannot use base wine as blending.
In the prior art, the process for purification of former wine is mainly rectifying is carried out to alcohol, namely improved the purity of alcohol by rectifying tower, but this method exists following shortcoming:
1, need to repeat distillation by multi-stage column, energy consumption is high;
2, facility investment and battlefield area large;
3, after rectifying, in former wine, Hubeiwan is also removed, and can not remove for specific component.
Membrane distillation (MD) is the membrane separating process that membrane technique combines with still-process, and it take dewatering microporous film as medium, and under the effect of film both sides draught head, in feed liquid, volatile constituent is in vapour form through fenestra, thus realizes the object of separation.Compared with other conventional sepn processes, membrane distillation has that separation efficiency is high, operational condition is gentle, mechanical property requirements not advantages of higher to film and stock liquid interphase interaction and film.
Membrane distillation adopts the membrane separating process that dewatering microporous film is mass transfer driving force with film both sides atmospheric pressure difference, can be used for the distillation desalination of water, removes volatile matter to the aqueous solution.Such as when the aqueous solution of differing temps is separated by dewatering microporous film, due to the hydrophobicity of film, the aqueous solution of both sides all can not enter opposite side through fenestra, but because the air pressure of the warm side aqueous solution and membrane interface is higher than cold side, water vapour will enter cold side and condensation through fenestra from warm side, evaporation in this and conventional distil-lation, mass transfer, condensation process are quite similar, so be called membrane distillation process.
Paper document about film distillation technology:
1, Ma Jiutong, Zhang Fengjun, Wu Haoyu, " research of membrane distillation method process methanol aqueous solution ", " water technology ", 2003(01);
Disclose in above-mentioned paper and utilize tubular fibre membrane distillation assembly to carrying out membrane distillation treatment research containing methanol aqueous solution, high spot reviews affects the factor of methanol flux.As feed temperature, concentration, flow velocity, and carrier fluid flow velocity etc.Have found best working conditions.Its method impels methyl alcohol to enter absorption liquid by film by the temperature head of film both sides, and its component is only methyl alcohol and distilled water, is not suitable for the process of the present invention to white spirit original wine in this approach.
2, Zheng Kai, Wang Changjin, Wu Chaoliang, Jin Jiang, " research of the membrane distillation method separating alcohol aqueous solution ", " water technology ", 2009(07);
Above-mentioned paper discloses and adopts modified ceramic-film tube, the low-concentration ethanol aqueous solution has been carried out to the experimental study high spot reviews of the membrane distillation operating parameters of membrane distillation process.The film that this technical scheme is selected is ceramic membrane; Process be the aqueous ethanolic solution of lower concentration (1-5%), component is only water and ethanol, cannot 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 when refining low alcohol white spirit ", " Journal of Dalian Institute of Light ", 1994(04).
Above-mentioned paper discloses the operational condition that a kind of hollow-fibre membrane filters for low alcohol, but is not described in detail the operation scheme of film, does not contrast the index before and after filtering, and only contrasts the turbidity of wine when low temperature.
Patent documentation about film distillation technology:
1, State Intellectual Property Office discloses an application number in 2012.7.11 is 201210056112.X, name is called the patent of invention of " a kind of membrane distillation technique adopting hollow fiber film assembly treatment of dyeing and printing ", this patent provides a kind of membrane distillation technique adopting hollow fiber film assembly treatment of dyeing and printing, comprises the following steps: step one: the pre-treatment of dyeing waste water, step 2: membrane distillation process: Thermostatic water heaters will be passed into through pretreated waste water, utilize the heat exchange of low-quality thermal source and the Thermostatic water heaters produced in dyeing and printing process, waste water is heated to 50-60 degree Celsius, then pass into and be equipped with in the membrane distillation pond of hollow fiber film assembly, when waste water did not have hollow fiber film assembly, utilize constant temperature cold water storage cistern in the hollow-fibre membrane in hollow fiber film assembly, pass into the cold water of 10-15 degree Celsius, make the inside and outside formation temperature difference of hollow-fibre membrane, water vapour in waste water moves by inside tunica fibrosa lateral, enter rear flank in tunica fibrosa to be discharged by the cold water condensation of inner side.The ratio of desalinization of wastewater treatment can be improved well, reduce pre-processing requirements simultaneously, simplify processes process, energy-saving and emission-reduction, reduce and run and maintenance cost.
This patent provides a kind of membrane distillation technique adopting hollow fiber film assembly treatment of dyeing and printing, mainly there is following problem if this process application filtered in white spirit original wine upgrading:
1) film immerses and is filtered in liquid, then the impurity in filtered liquid very easily makes the pollution of pair of films;
2) it passes into water coolant in film, then filtered fluid directly mixes with water coolant, after mixing, liquid flooding could immerse filtered liquid water tank, if for filtering white wine, then enter filtered liquid collection box again after first allowing the wine after filtering mix with water coolant, in fact water coolant causes secondary pollution to white wine after filtration, and after filtering, component concentration (as wine degree) is wayward.
2, State Intellectual Property Office discloses an application number in 2008.2.13 is 200710058024.2, name is called the patent of invention of " membrane distillation dehydration method by the polyatomic alcohol water solution of Maize Production ", which disclose a kind of dewatering by the polyatomic alcohol water solution of Maize Production, belong to the utilisation technology of vacuum membrane distillation.The method adopts distillation device, first polyatomic alcohol water solution is heated to temperature 61 DEG C-65 DEG C, then feedstock pump is adopted to join in hollow-fibre membrane by polyatomic alcohol water solution, the vacuum environment of 0.085MPa-0.089MPa is formed outside film, thus transmission steam pressure difference is formed in film both sides, water inside film in polyatomic alcohol water solution enters outside hollow-fibre membrane through fenestra in vapour form under the effect of steam pressure difference, the cooling condensation Cheng Shui of the condenser system again outside membrane module, collect water of condensation, thus realize being concentrated by the dehydration of the polyatomic alcohol water solution of Maize Production.The invention has the advantages that, service temperature is below 65 DEG C, and low with existing common distillation method phase specific energy consumption, the rejection of film used to polyvalent alcohol is high, and polyvalent alcohol rate of loss is low.
Above-mentioned corn polyatomic alcohol water solution adopts film distillation technology to be only concentrated to its dehydration, cannot carry out removing and reducing content for needing to remove or reduce the composition of content in the former wine of strong fragrant aromatic white spirit, and then just cannot obtain the positive strong fragrant aromatic white spirit base wine of high-quality, local flavor alcohol.
Summary of the invention
It is inharmonious that the present invention is intended to solve component proportions in the base wine of existing strong fragrant aromatic white spirit, cause that quality is not high, alcohol be not just for local flavor, the film distillation technology of other field be applied to the quality of China white wine and local flavor control in Problems existing, overcome its defect, a kind of base wine of the strong fragrant aromatic white spirit through membrane distillation upgrading is provided, reach component concentration, ratio reasonable coordination, quality and the good object of local flavor.
In order to realize foregoing invention object, its concrete technical scheme is as follows:
Through a base wine for the strong fragrant aromatic white spirit of membrane distillation upgrading, it is characterized in that: comprise following composition:
Ethyl acetate 95-174mg/100mL
Ethyl hexanoate 87-140mg/100mL
Ethyl lactate 53-72mg/100mL
Ethyl butyrate 16-29mg/100mL
Ethyl formate 2-6mg/100mL
Primary isoamyl alcohol 34-44mg/100mL.
The ratio of ethyl acetate of the present invention and ethyl hexanoate is 1.2:1.
The ratio of ethyl hexanoate of the present invention and ethyl lactate is at 1:0.5-0.6.
Through a membrane distillation method for the base wine of the strong fragrant aromatic white spirit of membrane distillation upgrading, it is characterized in that: comprise following processing step:
A, former wine pre-treatment
Get the former wine of the strong fragrant aromatic white spirit of identical alcoholic strength; Or by the former wine mixing of the strong fragrant aromatic white spirit of different wine precision;
B, the process of former wine membrane distillation
Vapor state is heated in the side of film by through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, controlling vacuum tightness at the opposite side of film is 0.7-0.95MPa, make the former wine being heated to vapor state migrate to opposite side from the side of film, carry out cross-film migration;
C, condensation of gas
The device that is condensed after being heated to the former wine cross-film migration of vapor state in step B is condensed into liquid, obtains the base wine of the strong fragrant aromatic white spirit of membrane distillation.
In step, the alcoholic strength of the former wine of the mixed strong fragrant aromatic white spirit of former wine of the former wine of the strong fragrant aromatic white spirit of described identical alcoholic strength or the strong fragrant aromatic white spirit of different wine precision is 45-80%vol in the present invention.
The present invention in stepb, described refer to be heated to vapor state in the side of film through pretreated former wine former wine is heated to 50-65 DEG C.
In stepb, described film is hydrophobic hollow-fibre membrane in the present invention, and is placed in the top of former drinks plane.
The material of above-mentioned hollow-fibre membrane is tetrafluoroethylene, and aperture is 0.01-0.5 μm, and film internal diameter is 1-1.5mm, and external diameter is 2-3mm.
The present invention is in step C, and the condensing temperature of described condensation is 5-25 DEG C.
The present invention is in step C, and the cooling medium in described condenser is refrigerated water, chilled brine or the cold organic medium of mistake.
The Advantageous Effects that the present invention brings:
Each component concentration, ratio reasonable coordination in the base wine of 1, the strong fragrant aromatic white spirit of membrane distillation of the present invention, quality and local flavor good.The base wine of strong fragrant aromatic white spirit of the prior art, its content of ethyl lactate superelevation, ratio is extremely inharmonious, cannot use base wine as blending.In the base wine of the strong fragrant aromatic white spirit of membrane distillation of the present invention, ethyl lactate drops to proportional concentration scope, and primary isoamyl alcohol also has part to reduce simultaneously.The composition retained in the base wine of the strong fragrant aromatic white spirit of membrane distillation of the present invention is ethyl hexanoate, ethyl acetate, ethyl butyrate and other minor component, the composition being lowered content is ethyl lactate, prevent the liquor body style that makes on the high side of content of ethyl lactate from lacking of proper care, and reduce primary isoamyl alcohol, avoid bitter taste, astringent taste that primary isoamyl alcohol too much causes wine.The adjustment of said components makes the base wine vinosity that originally can not be used for blending solid fermentation by pure grains wine promote, reduce wine body and hook the difficulty adjusted, the extremely complicated system of this component of China white wine is optimized process, the base wine of the strong fragrant aromatic white spirit making existing components unreasonable reaches better balance, just makes the more mellow alcohol of its quality improving, local flavor.
2, except absolute content, the quality of ratio to wine of several main ester also has a significant impact.The present invention is preferred, and the ratio of ethyl acetate and ethyl hexanoate is 1.2:1, and the ratio of ethyl hexanoate and ethyl lactate is at 1:0.5-0.6.On the basis of basic content, the ratio of enterprising one-step optimization composition, reaches better balance.
3, on the basis of existing membrane distillation technique, the invention provides a kind of membrane distillation technique of optimization, adopt hydrophobic film, the former wine vaporization of film side is made by heating, the vacuum tightness controlled in hollow-fibre membrane is 0.7-0.95MPa, the various gas molecules that vaporization is evaporated move with different speed cross-films, make in white spirit original wine, to need the component tunicle removed and part is removed to retain, and need the component of component and the part reservation retained farthest to pass through, obtain membrane distillation base wine through condensation.The method is applicable to the optimization process of the extremely complicated system of this component of China white wine, makes to process the unreasonable white wine of front component and reaches better balance, just make the more mellow alcohol of its quality improving, local flavor; Described film is without the need to immersing in former wine, and the membrane material used also can not be dissolved in former wine, can not pollute film, reduces the cost produced and safeguard; In the present invention, the material of cross-film migration is gas, indirectly contacts with cooling medium in condenser, can not pollute by membrane distillation base wine.The present invention adopts the membrane distillation technique technology being suitable for the former wine of the strong fragrant odor type of China white wine, removes or reduces specific components in white spirit original wine, optimize the object of white wine quality and local flavor to reach.
4, on the basis of basic technical scheme, former wine wine degree is controlled at 45-80%vol.The component needing part to remove due to the present invention is ethyl lactate, takes into account part and removes potato spirit, make 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 (K) of each component has very large relation with alcohol concn in white wine, former wine wine degree is controlled at 45-80%vol, the relative rate of volatilization of various component can be controlled, reduce ethyl lactate to zone of reasonableness, and suitably reduce primary isoamyl alcohol content, make the membrane distillation base wine finally obtained reach the quality and local flavor that are more suitable for.
5, 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 have selected vacuum pressure, initial alcoholic strength is 45-80%vol, Heating temperature is after 50-65 DEG C of technique, utilize ethyl lactate volatility coefficient low, under this kind of processing condition, ethyl lactate can be made to 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, condensing temperature is 5-25 DEG C, other processing parameters are coordinated also between energy consumption and efficiency, to have found trim point.Hydrophobic hollow fiber film is placed in the top of former drinks plane, secondary pollution can not be caused to former wine, again because hollow-fibre membrane is pencil, almost can more than filling level space, the area of unit space inner membrance can be increased, raise the efficiency.
Accompanying drawing explanation
Fig. 1 is the distillation device structural representation that embodiment 17 is applicable to membrane distillation technique of the present invention;
Fig. 2 is the distillation device structural representation that embodiment 18 is applicable to membrane distillation technique of the present invention;
Fig. 3 is hollow fiber film structure schematic diagram in embodiment 17,18;
Fig. 4 is the membrane distillation device structural representation used in embodiment 18.
Be labeled as in figure: 1 is tank body, 2 is upper cover, 3 is liquid-inlet, 4 is pneumatic outlet, 5 is dividing plate, 6 is hollow-fibre membrane, 7 is heating unit, 8 is vacuum meter, 9 is rinse water entrance I, 10 is liquidometer I, 11 is hot wind inlet, 12 is sewage draining exit, 13 is transport pipe I, 14 is condenser, 15 is transport pipe II, 16 is liquid collecting tank, 17 is liquidometer II, 18 is vacuum pump, 19 is rinse water entrance II, 20 is former wine discharge port, 21 is take away pump, 22 is blow-off pipe, 23 is Controlling System, 24 is sealing cover, 25 is stop part, 26 is sealing member, 61 is end socket, 62 is hollow fiber film tube.
Embodiment
Embodiment 1
Through a base wine for the strong fragrant aromatic white spirit of membrane distillation upgrading, comprise following composition:
Ethyl acetate 95mg/100mL
Ethyl hexanoate 87mg/100mL
Ethyl lactate 53mg/100mL
Ethyl butyrate 16mg/100mL
Ethyl formate 2mg/100mL
Primary isoamyl alcohol 34mg/100mL.
Embodiment 2
Through a base wine for the strong fragrant aromatic white spirit of membrane distillation upgrading, comprise following composition:
Ethyl acetate 174mg/100mL
Ethyl hexanoate 140mg/100mL
Ethyl lactate 72mg/100mL
Ethyl butyrate 29mg/100mL
Ethyl formate 6mg/100mL
Primary isoamyl alcohol 44mg/100mL.
Embodiment 3
Through a base wine for the strong fragrant aromatic white spirit of membrane distillation upgrading, comprise following composition:
Ethyl acetate 134.5mg/100mL
Ethyl hexanoate 113.5mg/100mL
Ethyl lactate 62.5mg/100mL
Ethyl butyrate 22.5mg/100mL
Ethyl formate 4mg/100mL
Primary isoamyl alcohol 39mg/100mL.
Embodiment 4
Through a base wine for the strong fragrant aromatic white spirit of membrane distillation upgrading, comprise following composition:
Ethyl acetate 170mg/100mL
Ethyl hexanoate 100mg/100mL
Ethyl lactate 55mg/100mL
Ethyl butyrate 27mg/100mL
Ethyl formate 3.5mg/100mL
Primary isoamyl alcohol 36mg/100mL.
Embodiment 5
On the basis of embodiment 1-4, preferred:
Described ethyl acetate and the ratio of ethyl hexanoate are 1.2:1.
Described ethyl hexanoate and the ratio of ethyl lactate are at 1:0.5.
Embodiment 6
On the basis of embodiment 1-4, preferred:
Described ethyl acetate and the ratio of ethyl hexanoate are 1.2:1.
Described ethyl hexanoate and the ratio of ethyl lactate are at 1:0.6.
Embodiment 7
On the basis of embodiment 1-4, preferred:
Described ethyl acetate and the ratio of ethyl hexanoate are 1.2:1.
Described ethyl hexanoate and the ratio of ethyl lactate are at 1:0.55.
Embodiment 8
On the basis of embodiment 1-4, preferred:
Described ethyl acetate and the ratio of ethyl hexanoate are 1.2:1.
Described ethyl hexanoate and the ratio of ethyl lactate are at 1:0.56.
Embodiment 9
Through a membrane distillation method for the base wine of the strong fragrant aromatic white spirit of membrane distillation upgrading, comprise following processing step:
A, former wine pre-treatment
Get the former wine of the strong fragrant aromatic white spirit of identical alcoholic strength; Or by the former wine mixing of the strong fragrant aromatic white spirit of different wine precision;
B, the process of former wine membrane distillation
Vapor state is heated in the side of film by through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, controlling vacuum tightness at the opposite side of film is 0.7MPa, make the former wine being heated to vapor state migrate to opposite side from the side of film, carry out cross-film migration;
C, condensation of gas
The device that is condensed after being heated to the former wine cross-film migration of vapor state in step B is condensed into liquid, obtains the base wine of the strong fragrant aromatic white spirit of membrane distillation.
Embodiment 10
Through a membrane distillation method for the base wine of the strong fragrant aromatic white spirit of membrane distillation upgrading, comprise following processing step:
A, former wine pre-treatment
Get the former wine of the strong fragrant aromatic white spirit of identical alcoholic strength; Or by the former wine mixing of the strong fragrant aromatic white spirit of different wine precision;
B, the process of former wine membrane distillation
Vapor state is heated in the side of film by through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, controlling vacuum tightness at the opposite side of film is 0.95MPa, make the former wine being heated to vapor state migrate to opposite side from the side of film, carry out cross-film migration;
C, condensation of gas
The device that is condensed after being heated to the former wine cross-film migration of vapor state in step B is condensed into liquid, obtains the base wine of the strong fragrant aromatic white spirit of membrane distillation.
Embodiment 11
Through a membrane distillation method for the base wine of the strong fragrant aromatic white spirit of membrane distillation upgrading, comprise following processing step:
A, former wine pre-treatment
Get the former wine of the strong fragrant aromatic white spirit of identical alcoholic strength; Or by the former wine mixing of the strong fragrant aromatic white spirit of different wine precision;
B, the process of former wine membrane distillation
Vapor state is heated in the side of film by through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, controlling vacuum tightness at the opposite side of film is 0.825MPa, make the former wine being heated to vapor state migrate to opposite side from the side of film, carry out cross-film migration;
C, condensation of gas
The device that is condensed after being heated to the former wine cross-film migration of vapor state in step B is condensed into liquid, obtains the base wine of the strong fragrant aromatic white spirit of membrane distillation.
Embodiment 12
Through a membrane distillation method for the base wine of the strong fragrant aromatic white spirit of membrane distillation upgrading, comprise following processing step:
A, former wine pre-treatment
Get the former wine of the strong fragrant aromatic white spirit of identical alcoholic strength; Or by the former wine mixing of the strong fragrant aromatic white spirit of different wine precision;
B, the process of former wine membrane distillation
Vapor state is heated in the side of film by through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, controlling vacuum tightness at the opposite side of film is 0.9MPa, make the former wine being heated to vapor state migrate to opposite side from the side of film, carry out cross-film migration;
C, condensation of gas
The device that is condensed after being heated to the former wine cross-film migration of vapor state in step B is condensed into liquid, obtains the base wine of the strong fragrant aromatic white spirit of membrane distillation.
Embodiment 13
On the basis of embodiment 9-12, preferred:
In step, the alcoholic strength of the former wine of the mixed strong fragrant aromatic white spirit of former wine of the former wine of the strong fragrant aromatic white spirit of described identical alcoholic strength or the strong fragrant aromatic white spirit of different wine precision is 45%vol.
In stepb, describedly refer to be heated to vapor state in the side of film through pretreated former wine former wine is heated to 50 DEG C.
In stepb, 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 tetrafluoroethylene, and aperture is 0.01 μm, and film internal diameter is 1mm, and external diameter is 2mm.
In step C, the condensing temperature of described condensation is 5 DEG C.
In step C, the cooling medium in described condenser is refrigerated water, chilled brine or the cold organic medium of mistake.
Embodiment 14
On the basis of embodiment 9-12, preferred:
In step, the alcoholic strength of the former wine of the mixed strong fragrant aromatic white spirit of former wine of the former wine of the strong fragrant aromatic white spirit of described identical alcoholic strength or the strong fragrant aromatic white spirit of different wine precision is 80%vol.
In stepb, describedly refer to be heated to vapor state in the side of film through pretreated former wine former wine is heated to 65 DEG C.
In stepb, 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 tetrafluoroethylene, and aperture is 0.5 μm, and film internal diameter is 1.5mm, and external diameter is 3mm.
In step C, the condensing temperature of described condensation is 25 DEG C.
In step C, the cooling medium in described condenser is refrigerated water, chilled brine or the cold organic medium of mistake.
Embodiment 15
On the basis of embodiment 9-12, preferred:
In step, the alcoholic strength of the former wine of the mixed strong fragrant aromatic white spirit of former wine of the former wine of the strong fragrant aromatic white spirit of described identical alcoholic strength or the strong fragrant aromatic white spirit of different wine precision is 62.5%vol.
In stepb, describedly refer to be heated to vapor state in the side of film through pretreated former wine former wine is heated to 57.5 DEG C.
In stepb, 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 tetrafluoroethylene, and aperture is 0.255 μm, and film internal diameter is 1.25mm, and external diameter is 2.5mm.
In step C, the condensing temperature of described condensation is 15 DEG C.
In step C, the cooling medium in described condenser is refrigerated water, chilled brine or the cold organic medium of mistake.
Embodiment 16
On the basis of embodiment 9-12, preferred:
In step, the alcoholic strength of the former wine of the mixed strong fragrant aromatic white spirit of former wine of the former wine of the strong fragrant aromatic white spirit of described identical alcoholic strength or the strong fragrant aromatic white spirit of different wine precision is 56%vol.
In stepb, describedly refer to be heated to vapor state in the side of film through pretreated former wine former wine is heated to 52 DEG C.
In stepb, 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 tetrafluoroethylene, and aperture is 0.09 μm, and film internal diameter is 1.15mm, and external diameter is 2.7mm.
In step C, the condensing temperature of described condensation is 22 DEG C.
In step C, the cooling medium in described condenser is refrigerated water, chilled brine or the cold organic medium of mistake.
Embodiment 17
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 membrane distillation device, condenser 14 and liquid collecting tank 16, one end of described condenser 14 is communicated with the output terminal of membrane distillation device, the other end is communicated with the input terminus of liquid collecting tank 16, one group of hollow-fibre membrane 6 in " U " shape is provided with in described membrane distillation device, described hollow-fibre membrane 6 is immersed in the former wine being arranged in membrane distillation device, and " U " shape opening end of hollow-fibre membrane 6 is communicated with the pneumatic outlet 4 being positioned at membrane distillation device top.
Described membrane distillation device comprises tank body 1 and upper cover 2, described tank body 1 is provided with liquid-inlet 3, described pneumatic outlet 4 is arranged on upper cover 2, described upper cover 2 is fixed on tank body 1 and forms annular seal space, be provided with dividing plate 5 in described annular seal space, 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 pneumatic outlet 4; Described hollow-fibre membrane 6 is immersed in the former wine being arranged in liquid storehouse, and " U " shape opening end 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 in " U " shape hollow fiber film tube 62, " U " shape opening end 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 dividing plate 5 by " U " shape opening end of end socket 61 by hollow fiber film tube 62.
Described dividing plate 5 is provided with threaded hole, and described end socket 61 is provided with screw thread, and described hollow-fibre membrane 6 to be coordinated with threaded hole by screw thread and is fixed on dividing plate 5.
Described a kind of distillation device for former wine dipper matter also comprises transport pipe I 13 and transport pipe II 15, one end of described condenser 14 is communicated with the pneumatic outlet 4 of membrane distillation device by transport pipe I 13, and the other end is communicated with the input terminus of liquid collecting tank 16 by transport pipe II 15.
Described liquid-inlet 3 is arranged in the middle part of membrane distillation device, is also provided with vacuum meter 8, rinse water entrance I 9 and liquidometer I 10 in the middle part of membrane distillation device; Sewage draining exit 12 is provided with bottom described membrane distillation device; Described upper cover 5 is also provided with hot wind inlet 11.
Described a kind of distillation device for former wine dipper matter also comprises Controlling System 23, and be provided with heating unit 7 bottom described tank body 1, described heating unit 7 is connected with Controlling System 23.
The input terminus of described liquid collecting tank 16 is arranged in the middle part of liquid collecting tank, is provided with liquidometer II 17 and vacuum pump 18 in the middle part of described liquid collecting tank, 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 discharge port 20.
During use, after needing the former wine of purifying to enter membrane distillation device by the liquid-inlet 3 of membrane distillation device, by heating unit, liquid is heated again, gas phase is entered by component volatilization each in wine, film selectivity retains to be needed to remove component, need retained fraction by entering gaseous state storehouse after hollow-fibre membrane 6, then enter in condenser 14 through transport pipe I 13 and cool, delivered in liquid collecting tank 16 by transport pipe II 15 again after cooling and focus on.
Embodiment 18
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 membrane distillation device, condenser 14 and liquid collecting tank 16, one end of described condenser 14 is communicated with the output terminal of membrane distillation device, the other end is communicated with the input terminus of liquid collecting tank 16, three groups of hollow-fibre membranes 6 in " U " shape are provided with in described membrane distillation device, described hollow-fibre membrane 6 is immersed in the former wine being arranged in membrane distillation device, and " U " shape opening end of hollow-fibre membrane 6 is communicated with the pneumatic outlet 4 being positioned at membrane distillation device top.
Described membrane distillation device comprises tank body 1 and upper cover 2, described tank body 1 is provided with liquid-inlet 3, described pneumatic outlet 4 is arranged on upper cover 2, described upper cover 2 is fixed on tank body 1 and forms annular seal space, be provided with dividing plate 5 in described annular seal space, 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 pneumatic outlet 4; Described hollow-fibre membrane 6 is immersed in the former wine being arranged in liquid storehouse, and " U " shape opening end 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 membrane distillation device also comprises the sealing cover 24 being provided with stop part 25, and described sealing 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 sealing member 26 with the junction of upper cover 2, and described sealing member 26 can be sealing-ring.
Described hollow-fibre membrane 6 comprises end socket 61 and in " U " shape hollow fiber film tube 62, " U " shape opening end 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 dividing plate 5 by " U " shape opening end of end socket 61 by hollow fiber film tube 62.
Described dividing plate 5 is provided with threaded hole, and described end socket 61 is provided with screw thread, and described hollow-fibre membrane 6 to be coordinated with threaded hole by screw thread and is fixed on dividing plate 5.
Described a kind of distillation device for former wine dipper matter also comprises transport pipe I 13 and transport pipe II 15, one end of described condenser 14 is communicated with the pneumatic outlet 4 of membrane distillation device by transport pipe I 13, and the other end is communicated with the input terminus of liquid collecting tank 16 by transport pipe II 15.
Described liquid-inlet 3 is arranged in the middle part of membrane distillation device, is also provided with vacuum meter 8, rinse water entrance I 9 and liquidometer I 10 in the middle part of membrane distillation device; Sewage draining exit 12 is provided with bottom described membrane distillation device; Described upper cover 5 is also provided with hot wind inlet 11.
Described a kind of distillation device for former wine dipper matter also comprises Controlling System 23, and be provided with heating unit 7 bottom described tank body 1, described heating unit 7 is connected with Controlling System 23.
The input terminus of described liquid collecting tank 16 is arranged in the middle part of liquid collecting tank, is provided with liquidometer II 17 and vacuum pump 18 in the middle part of described liquid collecting tank, 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 discharge port 20.
Described former wine discharge port 20 is provided with take away pump 21 and blow-off pipe 22.
Claims (8)
1. through a membrane distillation method for the base wine of the strong fragrant aromatic white spirit of membrane distillation upgrading, it is characterized in that: comprise following processing step:
A, former wine pre-treatment
Get the former wine of the strong fragrant aromatic white spirit of identical alcoholic strength; Or by the former wine mixing of the strong fragrant aromatic white spirit of different wine precision;
B, the process of former wine membrane distillation
Vapor state is heated in the side of film by through pretreated former wine, described film is hydrophobic hollow-fibre membrane, board-like film or rolled film, control vacuum tightness at the opposite side of film, make the former wine being heated to vapor state migrate to opposite side from the side of film, carry out cross-film migration; Described refer to be heated to vapor state in the side of film through pretreated former wine former wine is heated to 50-65 DEG C;
C, condensation of gas
The device that is condensed after being heated to the former wine cross-film migration of vapor state in step B is condensed into liquid, obtains the base wine of the strong fragrant aromatic white spirit of membrane distillation; The base wine of the strong fragrant aromatic white spirit of described membrane distillation comprises: ethyl acetate 95-174mg/100mL, ethyl hexanoate 87-140mg/100mL, ethyl lactate 53-72mg/100mL, ethyl butyrate 16-29mg/100mL, ethyl formate 2-6mg/100mL and primary isoamyl alcohol 34-44mg/100mL.
2. the membrane distillation method of the base wine of a kind of strong fragrant aromatic white spirit through membrane distillation upgrading according to claim 1, is characterized in that: described ethyl acetate and the ratio of ethyl hexanoate are 1.2:1.
3. the membrane distillation method of the base wine of a kind of strong fragrant aromatic white spirit through membrane distillation upgrading according to claim 1 and 2, is characterized in that: described ethyl hexanoate and the ratio of ethyl lactate are at 1:0.5-0.6.
4. the membrane distillation method of the base wine of a kind of strong fragrant aromatic white spirit through membrane distillation upgrading according to claim 1, it is characterized in that: in step, the alcoholic strength of the former wine of the mixed strong fragrant aromatic white spirit of former wine of the former wine of the strong fragrant aromatic white spirit of described identical alcoholic strength or the strong fragrant aromatic white spirit of different wine precision is 45-80%vol.
5. the membrane distillation method of the base wine of a kind of strong fragrant aromatic white spirit through membrane distillation upgrading according to claim 1, it is characterized in that: in stepb, described film is hydrophobic hollow-fibre membrane, and is placed in the top of former drinks plane.
6. the membrane distillation method of the base wine of a kind of strong fragrant aromatic white spirit through membrane distillation upgrading according to claim 5, it is characterized in that: the material of described hollow-fibre membrane is tetrafluoroethylene, aperture is 0.01-0.5 μm, and film internal diameter is 1-1.5mm, and external diameter is 2-3mm.
7. the membrane distillation method of the base wine of a kind of strong fragrant aromatic white spirit through membrane distillation upgrading according to claim 1, is characterized in that: in step C, and the condensing temperature of described condensation is 5-25 DEG C.
8. the membrane distillation method of the base wine of a kind of strong fragrant aromatic white spirit through membrane distillation upgrading according to claim 1, is characterized in that: in step C, and the cooling medium in described condenser is refrigerated water, chilled brine or the cold organic medium of mistake.
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Effective date of registration: 20201022 Address after: Area B, food industrial park, Nanxi District, Yibin City, Sichuan Province Patentee after: Yibin Jin Lai Lai Da Guan yuan wine industry Co.,Ltd. Address before: Rhine 644002 Yibin province Sichuan city south of Cuiping District Riverside moonlight Peninsula building commercial building 1 layer 1-3 Patentee before: YIBIN JINXILAI LIQUOR Co.,Ltd. |