CN108342287A - A kind of distillating method reducing Fusel Oil in Liquor - Google Patents
A kind of distillating method reducing Fusel Oil in Liquor Download PDFInfo
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- CN108342287A CN108342287A CN201810466871.0A CN201810466871A CN108342287A CN 108342287 A CN108342287 A CN 108342287A CN 201810466871 A CN201810466871 A CN 201810466871A CN 108342287 A CN108342287 A CN 108342287A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
- C12H6/00—Methods for increasing the alcohol content of fermented solutions or alcoholic beverages
- C12H6/02—Methods for increasing the alcohol content of fermented solutions or alcoholic beverages by distillation
Abstract
The invention discloses a kind of distillating method reducing Fusel Oil in Liquor, this method carries out ripe mash to distill (0.2 0.3MPa of steam) at a slow speed first, and fusel oil is concentrated in foreshot, foreshot is collected；Again by foreshot's rectifying, fusel oil is removed, base liquor is obtained.Fusel oil effectively can be enriched in foreshot by the method for the present invention by distilling at a slow speed so that follow-up impurity elimination program only needs the foreshot of 10~30% volume of rectifying, 70~90% wine body be not required to it is to be processed, to greatly reduce rectification process amount.The wine degree of foreshot is relatively high, is conducive to the enrichment and separation of fusel oil, can reduce the reflux ratio of rectifying.Synthesis result is to save steam and power consumption, improves impurity elimination efficiency, is readily produced application.
Description
Technical field
The invention belongs to liquor production fields, and in particular to a kind of distillating method reducing Fusel Oil in Liquor.
Background technology
Fusel oil is the mixture of a variety of higher alcohols generated during liquor production, main component be propyl alcohol, isobutanol,
Amylalcohol, isoamyl alcohol etc..Fusel oil content in wine is excessive, not only results in the pungent bitterness of mouthfeel, and be detrimental to health, right
Nervous system has stimulation and anesthetic effect, causes a series of symptoms such as headache, dizziness, drowsiness, dry；But its content is very few again
Wine can be made boring tasteless, lose the original style of traditional liquor.Therefore, it is necessary to control the fusel oil content of white wine suitable
In range.Currently, in national standard GB/T2757-81 in terms of isobutanol, isoamyl alcohol, it is desirable that content≤0.2g/ of Fusel Oil in Liquor
100mL, the content for reducing Fusel Oil in Liquor are the inexorable trends of Development of Liquor-making Industry from now on.
Traditional liquor distillation technique is simply extensive, can steam most of fragrance component in mash, but cannot will be miscellaneous
The undesirable constituents such as alcohol oil are separated.Amount quality picking wine is carried out in white spirit by solid state method distillation process, can be removed according to distillation rule
A certain amount of fusel oil, but removal rate is also limited.The white wine of liquid state fermentation is since fermentation time is short, the fusel oil content in wine
Itself is higher than the white wine of solid state fermentation, and the not technique of amount quality picking wine, this is also to cause the class of white wine of liquid lower
One of reason.
Most impurity including fusel oil can be detached removal totally by the rectification process of alcohol industry, but
It is the beneficial flavor substance for being not suitable for retaining white wine, so the method that Liquor-making Enterprises ＆ does not use rectifying usually produces white wine.
Therefore, a kind of side that white wine fusel oil content can be greatly reduced while retaining original local flavor to greatest extent is established
Method, white wine is drunk, headache degree to mitigating, and greatly improves comfort level after health degree, safety and the drink of white wine, is this technology
Field urgent problem to be solved.
Chinese invention patent ZL 201010022788.8 discloses a kind of method and device of manufacture pure white spirit, special
Sign is to manufacture pure white spirit with multitower rectifying, including dealdehyder tower, dealcoholysis tower, alcohol tower and methanol column, complex process will also be converted
Enter high purity water to manufacture pure white spirit, this patent cannot keep the original style of white wine and the plentiful mellow quality of wine, and operate
Complexity, processing work amount are big, of high cost, are not suitable for Liquor-making Enterprises ＆ production application.
Invention content
The purpose of the present invention is to provide a kind of distillating methods reducing Fusel Oil in Liquor, and this method is first by fusel oil collection
In in foreshot, then to foreshot carry out rectifying, produce fusel oil, obtain base liquor.
The purpose of the invention is achieved by the following technical solution：
A kind of white liquor distilling method reducing fusel oil content, includes the following steps：
(1) it after preheating ripe mash, opens big steam and heats mash to 85~92 DEG C, mash boiling at this time prepares wine,
Then steam is turned down to 0.2-0.3MPa and is distilled at a slow speed, what is distilled out first is fake wine head, and a mainly upper rice steamer steams
Liquor tailing remaining in pipeline after evaporating；Wait flow wine degree reach 58~65% when start collect foreshot, foreshot's volume be 10~
30%, after foreshot collects, opens big steam and collect remaining wine body, collected the wine body of corresponding 70%~90% volume
Afterwards, stop distillation；
The percentage is using receipts capacity for liquor when wine is spent to terminal according to the estimated distillation of daily distillation yield as calculating benchmark；
The boiling point of fusel oil is higher than aldehydes, ethyl acetate, but still compares compared to other flavor and fragrance substances in wine
It is low, so distillate rule of the fusel oil in distillation process slowly declines, and in distillation process be there are traction and
Reflux, in the case of distilling at a slow speed, reduce the traction effect of distillation, it is high boiling to be more easy to flow back, it is low-boiling to be more easy to steam
Go out, so fusel oil and esters have all more been enriched in foreshot part when distilling at a slow speed, then in subsequent rectification working process,
The different substance of boiling point is separated again, to remove fusel oil.
(2) foreshot is launched into rectifier unit, disposably launches a certain amount of foreshot first in tower reactor, opens rectifying dress
Tower reactor Heating K 1, stripping section heat preservation K2,1 section of heat preservation K3 of rectifying, 2 sections of heat preservation K4 of rectifying and each temperature measuring instrument set, beat
Open condensed water, reflux ratio controller and solenoid valve；Control heating speed be K1-T1=30-80 DEG C (K1 is that bottom temperature controls,
T1 measures for bottom temperature), K2=60-80 DEG C is controlled, K3=60-80 DEG C, K4=60-80 DEG C, controls bottom temperature T1=70-
100 DEG C, control fusel oil adopts T2=70-95 DEG C of outlet temperature, controls T3=60-95 DEG C of tower top temperature, controls reflux ratio 1:1~
10:1, all control parameters are changed within the above range with distillation process；
It is continuous feeding, feed rate 2-25L/h during step (2)；
(3) when the temperature that fusel oil produces mouth not up to produces temperature range, valve opening does not adopt fusel oil, and wine tank is received in 1#
Receive the fore-running wine that Studies of The Aromatic Substances is put rich in low boiling point；When the temperature that fusel oil produces mouth reaches extraction temperature range, extraction is miscellaneous
Alcohol oil, while receiving wine tank in 1# and continuing to impurity elimination wine；When fusel oil produces the temperature of mouth beyond extraction temperature range, close
Fusel oil side take-off receives wine tank by 2# and receives back segment fusel oil；
The rate of withdrawal of fusel oil is wine speed/go out fusel speed oil=(2~15) in step (3):1；
(4) when bottom temperature reaches 90~100 DEG C, and tower top wine degree is down to 5% or less, distillation process terminates；By fusel
The fusel oil of oil extraction mouth extraction is mixed into the fusel oil of removal with back segment fusel oil；It will receive in the impurity elimination wine in wine tank and tower reactor
After remaining higher boiling acid solution mixing, the foreshot of fusel oil is as removed, is the base for removing fusel oil after being blent with former wine body
Wine.
Step (2)-(4) in the above method are the rectifying links of foreshot, using the rectifier unit of the prior art, essence
It evaporates tower to be formed by three sections from the bottom to top, is 2 sections of stripping section, 1 section of rectifying and rectifying respectively, fusel is equipped in two sections of centres of rectifying
Oily sample tap and temperature sensing mouth regulate and control reflux ratio and fusel according to the temperature of tower reactor and fusel oil sample tap in distillation process
The extraction ratio of oil.It is different that all impurity are removed as fully as possible from conventional alcohol production, it is purer in order to ensure to extract
For net fusel oil without influencing the other compositions in wine, the extraction ratio of reflux ratio and fusel oil is constantly to become in distillation process
Change.
In addition, the bottom material of rectifying is foreshot rather than the fermentation liquid of base liquor；Before rectifying in tower reactor feed inlet disposably into
Expect, in stripping section continuous feed in distillation process, is indicated according to temperature in tower reactor and tower, be enriched with and detach in fusel oil sample tap
Fusel oil collects high boiling acid in the overhead collection wine rich in low boiling ester substance point in tower reactor.
It is different in tower reactor continuous drainage from conventional alcohol production process needs, in entire distillation process, except fusel oil needs
It is to be separated outer, without being arranged outside other compositions.
It is only different in overhead collection finished product from conventional alcohol technique, after the completion of the distillation process of this technique, tower top need to be received
Wine part rich in low boiling ester substance of collection mixes with the higher boiling acid solution that tower reactor is collected, and forms the base after separation fusel oil
Wine.
The present invention has the following advantages and effects with respect to the prior art：
1, fusel oil effectively can be enriched in foreshot by method of the invention by distilling at a slow speed so that follow-up impurity elimination journey
Sequence only needs the foreshot of 10~30% volume of rectifying, 70~90% wine body be not required to it is to be processed, to greatly reduce rectifying
Treating capacity.The wine degree of foreshot is relatively high, is conducive to the enrichment and separation of fusel oil, can reduce the reflux ratio of rectifying.Synthesis result
It is to save steam and power consumption, improves impurity elimination efficiency, be readily produced application.
2, the method for present invention removal Fusel Oil in Liquor is environmentally protective, does not add the ingredient other than any former wine, does not change
Become upstream fermentation technique, the fusel oil in white wine can be efficiently separated without influencing other flavor and fragrance substances, low-boiling ester
Substance and higher boiling acid are all retained.
3, small and purity shared by the fusel oil of the method for the present invention extraction is high, and Ester content therein is few, wine
The fusel oil removal rate of head reaches 95% or more, and after being mixed with wine body, the fusel oil removal rate of base liquor is according to foreshot's treating capacity
Difference can reach 30-70%.
4, method of the invention not only maintains the style characteristic of former wine to the full extent, but also substantially improves fragrance mouth
Sense, reduces that former wine is bitter, the bad mouthfeel such as pungent, makes the purer gracefulness of the fragrance of former wine, taste is more pure sweet, soft
It is net with feeling well.
Description of the drawings
Fig. 1 is the rectifier unit used in the embodiment of the present invention；Wherein, 1- tower reactors electric jacket, 2- tower reactors, 3- thermometrics are visited
Head, 4- raw materials, 5- feed flow meters, 6- stripping sections, 7- rectifying sections one, 8- rectifying sections two, 9- fusel oil discharge nozzles, 10- condensations
Device, 11- reflux ratio controllers, the water inlet of 12- condensed waters, the water outlet of 13- condensed waters, 14-1# receive wine tank, and 15-2# receives wine tank, and 16- connects
Vacuum system.
Fig. 2 is that collection of illustrative plates is judged in the control of base liquor A.
Fig. 3 is that collection of illustrative plates is judged in the control of base liquor B.
Fig. 4 is that collection of illustrative plates is judged in the control of base liquor C.
Fig. 5 is influence result schematic diagram of the distillation speed to fusel oil enrichment degree.
Specific implementation mode
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment 1
A kind of white liquor distilling method reducing fusel oil content, includes the following steps：
(1) ripe mash is pumped into distillation preheating can, retort is put into after being warming up to 35-50 DEG C；
(2) when opening that temperature reaches 90 DEG C in direct steam to 0.6MPa to rice steamer, steam is turned down to 0.3MPa；
(3) there is discharge fake wine head after drinking, measure when stream wine degree reaches 60% and start to collect foreshot；
(4) after the base liquor A foreshot for collecting 10% volume, valve is turned into base liquor tank, direct steam is recalled into 0.6MPa；(5)
After the base liquor A wine bodies for collecting 90% volume, steam is closed；
The base liquor A foreshot of 10% volume (wine degree is 58.5%V/V) is divided into two parts, it is a directly in proportion with base liquor A
Wine body mixes, and blends as control sample.
Another base liquor A foreshot continues following distillation operation, and the device used in distillation operation is as shown in Figure 1, be existing
There is the device of technology.
(6) it will wait for that impurity elimination base liquor A foreshot is stored in former wine storage tank, and proceed by rectification process, initial charge 33L；
(7) it opens tower reactor 2 to heat, opens rectifying section (7 and 8) and 6 heat preservation of stripping section, condensed water, reflux ratio controller 11
And solenoid valve, each temperature control instrument and temperature measuring instrument are opened, is changed to through 6 upper end feed supplement of stripping section, control feed supplement speed
Spend 17L/h, reflux ratio 6:2,75-95 DEG C of 2 temperature of control tower reactor controls 68-85 DEG C of tower top temperature, and control fusel oil produces temperature
75-88 DEG C, K1-T1=40 DEG C of heating speed (K1 controls for bottom temperature, and T1 measures for bottom temperature)；
(8) when the temperature that fusel oil produces mouth is not up to 75 DEG C, valve opening does not produce fusel oil, and receiving wine tank in 1# receives richness
The fore-running wine of Studies of The Aromatic Substances is put containing low boiling point；
(9) when the temperature that fusel oil produces mouth reaches 75 DEG C, fusel is produced according to the ratio for going out wine/impurity removal=10.5
Oil, while receiving wine tank in 1# and continuing to impurity elimination wine；
(10) when bottom temperature reaches 80 DEG C, K1-T1=45 DEG C of heating speed is adjusted, adjusts reflux ratio 7:2；
(11) when bottom temperature reaches 84 DEG C, K1-T1=50 DEG C of heating speed is adjusted, adjusts reflux ratio 9:2, according to going out wine/go out
Miscellaneous=6.8 ratio produces fusel oil；
(12) when bottom temperature reaches 90 DEG C, K1-T1=60 DEG C of heating speed is adjusted, adjusts reflux ratio 7:1, according to going out wine/go out
Miscellaneous=5 ratio produces fusel oil；
(13) when the temperature of fusel oil extraction mouth reaches 88 DEG C, fusel oil side take-off is closed, adjusts heating speed K1-T1=
70 DEG C, adjust reflux ratio 4:3, wine tank is received by 2# and receives back segment fusel oil；
(14) when bottom temperature reaches 95 DEG C, separation fusel oil process terminates；
(15) fusel oil of fusel oil extraction mouth extraction is mixed into the fusel oil of removal with back segment fusel oil；
(16) after the impurity elimination wine in wine tank being received and remaining higher boiling acid solution mixes in tower reactor, fusel oil is as removed
Foreshot is base liquor A impurity elimination samples after being blent with former wine body.
1 embodiment 1 of table is distilled at a slow speed and foreshot's rectifying data
| Sample ID | Volume (L) | Volume (%) | Total ester (%) | Fusel oil (%) |
| Foreshot A | 300 | 10% | 65.2% | 34.3% |
| Wine body A | 2700 | 90% | 34.8% | 65.7% |
| Foreshot A after impurity elimination | 120.9 | 80.6% | 98.8% | 4.5% |
| Fusel oil A | 29.1 | 19.4% | 1.2% | 95.5% |
2 embodiment of table, 1 impurity elimination effect data
34.3%, the 150L of the total amount of fusel oil containing base liquor in the base liquor A foreshot of 10% volume it can be seen from Tables 1 and 2
The fusel oil wine of 29.1L is eliminated after foreshot's rectifying, shared volume ratio is 19.4%, and wherein fusel oil content accounts for miscellaneous in foreshot
The 95.5% of alcohol oil content, total ester account for the 1.2% of foreshot.After impurity elimination foreshot is mixed with wine body, the fusel oil content in base liquor
Original 68.3% is dropped to, it is 1.94% that the miscellaneous wine of removal, which accounts for the volume ratio of base liquor, and it is only base liquor total content to lose total ester
0.78%.
So this method can be greatly reduced white wine fusel oil content and have substantially no effect on other flavor substances.
Embodiment 2
A kind of white liquor distilling method reducing fusel oil content, includes the following steps：
(1) ripe mash is pumped into preheating can, retort is put into after being warming up to 35-45 DEG C；
(2) when opening that temperature reaches 88 DEG C in direct steam to 0.5MPa to rice steamer, steam is turned down to 0.3MPa；
(3) there is discharge fake wine head after drinking, measure when stream wine degree reaches 59% and start to collect foreshot；
(4) after the base liquor B foreshot for collecting 20% volume, valve is turned into base liquor tank, direct steam is recalled into 0.5MPa；
(5) after the base liquor B wine bodies for collecting 80% volume, steam is closed；
The base liquor B foreshot of 20% volume (wine degree is 56%V/V) is divided into two parts, it is a directly in proportion with base liquor B wine
Body mixes, and blends as control sample.
Another base liquor A foreshot continues following distillation operation, and the device used in distillation operation is as shown in Figure 1, be existing
There is the device of technology.
(6) it will wait for that impurity elimination base liquor B foreshot is stored in former wine storage tank, and proceed by rectification process, initial charge 40L；
(7) it opens tower reactor 2 to heat, opens rectifying section (7 and 8) and 6 heat preservation of stripping section, condensed water, reflux ratio controller 11
And solenoid valve, each temperature control instrument and temperature measuring instrument are opened, is changed to through 6 upper end feed supplement of stripping section, control feed supplement speed
Spend 8L/h, reflux ratio 8:2,75-100 DEG C of 2 temperature of control tower reactor controls 72-95 DEG C of tower top temperature, and control fusel oil produces temperature
78-95 DEG C, K1-T1=35 DEG C of heating speed (K1 controls for bottom temperature, and T1 measures for bottom temperature)；
(8) when the temperature that fusel oil produces mouth is not up to 78 DEG C, valve opening does not produce fusel oil, and receiving wine tank in 1# receives richness
The fore-running wine of Studies of The Aromatic Substances is put containing low boiling point；
(9) when the temperature that fusel oil produces mouth reaches 78 DEG C, fusel oil is produced according to the ratio for going out wine/impurity removal=14,
Wine tank is received in 1# continue to impurity elimination wine simultaneously；
(10) when bottom temperature reaches 83 DEG C, K1-T1=42 DEG C of heating speed is adjusted, adjusts reflux ratio 10:2；
(11) when bottom temperature reaches 87 DEG C, K1-T1=55 DEG C of heating speed is adjusted, adjusts reflux ratio 6:1, according to going out wine/go out
Miscellaneous=9 ratio produces fusel oil；
(12) when bottom temperature reaches 95 DEG C, K1-T1=65 DEG C of heating speed is adjusted, adjusts reflux ratio 7:1, according to going out wine/go out
Miscellaneous=7 ratio produces fusel oil；
(13) when the temperature of fusel oil extraction mouth reaches 95 DEG C, fusel oil side take-off is closed, adjusts heating speed K1-T1=
75 DEG C, adjust reflux ratio 3:1, wine tank is received by 2# and receives back segment fusel oil；
(14) when bottom temperature reaches 100 DEG C, separation fusel oil process terminates；
(15) fusel oil of fusel oil extraction mouth extraction is mixed into the fusel oil of removal with back segment fusel oil；
(16) after the impurity elimination wine in wine tank being received and remaining higher boiling acid solution mixes in tower reactor, fusel oil is as removed
Foreshot is base liquor B impurity elimination samples after being blent with former wine body.
3 embodiment 2 of table is distilled at a slow speed and foreshot's rectifying data
| Sample ID | Volume (L) | Volume (%) | Total ester (%) | Fusel oil (%) |
| Foreshot B | 600 | 20% | 79.3% | 56.3% |
| Wine body B | 2400 | 80% | 20.7% | 43.7% |
| Foreshot B after impurity elimination | 243.6 | 81.2% | 98.1% | 2.5% |
| Fusel oil B | 56.4 | 18.8% | 1.9% | 97.5% |
4 embodiment of table, 2 impurity elimination effect data
56.3%, the 300L of the total amount of fusel oil containing base liquor in the base liquor B foreshot of 20% volume it can be seen from table 3 and table 4
The fusel oil wine of 56.4L is eliminated after foreshot's rectifying, shared volume ratio is 18.8%, and wherein fusel oil content accounts for miscellaneous in foreshot
The 97.5% of alcohol oil content, total ester account for the 1.9% of foreshot.After impurity elimination foreshot is mixed with wine body, the fusel oil content in base liquor
Original 45.1% is dropped to, it is 3.76% that the miscellaneous wine of removal, which accounts for the volume ratio of base liquor, and it is only base liquor total content to lose total ester
1.4%.
So this method can be greatly reduced white wine fusel oil content and retain other flavor substances as far as possible.
Embodiment 3
A kind of white liquor distilling method reducing fusel oil content, includes the following steps：
(1) ripe mash is pumped into preheating can, retort is put into after being warming up to 25-40 DEG C；
(2) when opening that temperature reaches 92 DEG C in indirect steam to 0.4MPa to rice steamer, steam is turned down to 0.2MPa；
(3) there is discharge fake wine head after drinking, measure when stream wine degree reaches 65% and start to collect foreshot；
(4) after the base liquor C foreshot for collecting 30% volume, valve is turned into base liquor tank, direct steam is recalled into 0.4MPa；
(5) after the base liquor C wine bodies for collecting 70% volume, steam is closed；
The base liquor C foreshot of 30% volume (wine degree is 60%V/V) is divided into two parts, it is a directly in proportion with base liquor C wine
Body mixes, and blends as control sample.
Another base liquor A foreshot continues following distillation operation, and the device used in distillation operation is as shown in Figure 1, be existing
There is the device of technology.
(6) it will wait for that impurity elimination base liquor C foreshot is stored in former wine storage tank, and proceed by rectification process, initial charge 27L；
(7) it opens tower reactor 2 to heat, opens rectifying section (7 and 8) and 6 heat preservation of stripping section, condensed water, reflux ratio controller 11
And solenoid valve, each temperature control instrument and temperature measuring instrument are opened, is changed to through 6 upper end feed supplement of stripping section, control feed supplement speed
Spend 20L/h, reflux ratio 4:2,70-90 DEG C of bottom temperature is controlled, 60-80 DEG C of tower top temperature is controlled, control fusel oil produces temperature
70-80 DEG C, K1-T1=30 DEG C of heating speed (K1 controls for bottom temperature, and T1 measures for bottom temperature)；
(8) when the temperature that fusel oil produces mouth is not up to 70 DEG C, valve opening does not produce fusel oil, and receiving wine tank in 1# receives richness
The fore-running wine of Studies of The Aromatic Substances is put containing low boiling point；
(9) when the temperature that fusel oil produces mouth reaches 70 DEG C, fusel oil is produced according to the ratio for going out wine/impurity removal=8.5,
Wine tank is received in 1# continue to impurity elimination wine simultaneously；
(10) when bottom temperature reaches 78 DEG C, K1-T1=33 DEG C of heating speed is adjusted, adjusts reflux ratio 6:2；
(11) when bottom temperature reaches 82 DEG C, K1-T1=40 DEG C of heating speed is adjusted, adjusts reflux ratio 8:2, according to going out wine/go out
Miscellaneous=7.5 ratio produces fusel oil；
(12) when bottom temperature reaches 86 DEG C, K1-T1=50 DEG C of heating speed is adjusted, adjusts reflux ratio 6:1, according to going out wine/go out
Miscellaneous=6.5 ratio produces fusel oil；
(13) when the temperature of fusel oil extraction mouth reaches 80 DEG C, fusel oil side take-off is closed, adjusts heating speed K1-T1=
60 DEG C, adjust reflux ratio 3:3, wine tank is received by 2# and receives back segment fusel oil；
(14) when bottom temperature reaches 90 DEG C, separation fusel oil process terminates；
(15) fusel oil of fusel oil extraction mouth extraction is mixed into the fusel oil of removal with back segment fusel oil；
(16) after the impurity elimination wine in wine tank being received and remaining higher boiling acid solution mixes in tower reactor, fusel oil is as removed
Foreshot is base liquor C impurity elimination samples after being blent with former wine body.
5 embodiment 3 of table is distilled at a slow speed and foreshot's rectifying data
| Sample ID | Volume (L) | Volume (%) | Total ester (%) | Fusel oil (%) |
| Foreshot C | 600 | 30% | 86.3% | 74.3% |
| Wine body C | 1400 | 70% | 13.7% | 25.7% |
| Foreshot C after impurity elimination | 256.8 | 85.6% | 99.5% | 5% |
| Fusel oil C | 43.2 | 14.4% | 0.5% | 95% |
6 embodiment of table, 3 impurity elimination effect data
74.3%, the 300L of the total amount of fusel oil containing base liquor in the base liquor C foreshot of 30% volume it can be seen from table 5 and table 6
The fusel oil wine of 43.2L is eliminated after foreshot's rectifying, shared volume ratio is 14.4%, and wherein fusel oil content accounts for miscellaneous in foreshot
The 95% of alcohol oil content, total ester account for the 0.5% of foreshot.After impurity elimination foreshot is mixed with wine body, under the fusel oil content in base liquor
It is down to original 29.93%, it is 4.32% that the miscellaneous wine of removal, which accounts for the volume ratio of base liquor, and it is only base liquor total content to lose total ester
0.35%.
So this method can be greatly reduced white wine fusel oil content and retain other flavor substances as far as possible.
The mouthfeel of 7 Examples 1 to 3 of table judges collection of illustrative plates
The score value evaluation rule of table 7 is to indicate its characteristic strength with digital 0-5, does not feel to be 0, and weak is 1, and slightly weak is 2,
Medium is 3, and slightly strong is 4, is by force 5.
Mouthfeel is judged judges personnel's execution by possess national taster card, and each evaluation number is no less than 15 people, judges
Personnel give a mark to the flavor characteristic of wine body according to evaluation rule, are then averaged.
Fig. 2~4 are to judge collection of illustrative plates according to 7 data creating of table, Examples 1 to 3 mouthfeel.
It is the smaller the better to judge different miscellaneous, astringent taste in collection of illustrative plates, miscellaneous taste, thorn tongue sense, these boring character numerical values, fermented soya beans, salted or other wise perfume, Chen Xiang, flower
It is perfume, meter Xiang, faint scent, grain perfume, sweet taste, sugariness, old taste, alcohol and sense, dense sense, alcohol and sense, refreshing net sense, refreshing net sense, mellow and full sense, suitable
Larynx sense, ice-cold sense of feeling well, soft sense, happy smooth sense, Hui Tian, long times of aftertaste numerical value are the bigger the better, other character numerical values want moderate.
Impurity elimination processing sample considerably reduces the bad mouthfeel such as pungent, bitter, the more graceful association of fragrance it can be seen from Fig. 2~4
It adjusts, mouthfeel is more mellow and fuller pure and sweet, and mellow smooth, aftertaste is longer, and wine body is more plentiful.
The present invention also test compare prior art distillation heads fusel oil distillate rule (top) and slow down foreshot steaming
It evaporates the fusel oil after speed and distillates rule (lower section).30% volume before when distillation is gone out into wine as foreshot, rear 70% volume
Go out wine as wine body, foreshot is divided into 6 sections and plucks wine, carry out chromatography detection respectively, the fusel oil calculated in every section of foreshot accounts for entirely
Go out the ratio of wine fusel oil.
Test result is as shown in figure 5, show the progress with distillation, under the fusel oil ratio in every section of foreshot is in slow
The trend of drop illustrates that fusel oil is mainly to be steamed out at the initial stage of distillation.The prior art collects 48.9% fusel oil
In the foreshot of 30% volume, and uses and slow down distillation speed 67.8% fusel oil is collected to foreshot in 30% volume
In, illustrate that distillation is more advantageous at a slow speed and fusel oil is enriched in foreshot.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (3)
1. a kind of white liquor distilling method reducing fusel oil content, it is characterised in that include the following steps：
(1) it after preheating ripe mash, opens big steam and heats mash to 85~92 DEG C, mash boiling at this time prepares wine, then
Steam is turned down to 0.2-0.3MPa and is distilled at a slow speed, what is distilled out first is fake wine head；Wine degree to be flowed reaches 58~65%
When start to collect foreshot, foreshot's volume is 10~30%, after foreshot collects, opens big steam and collects remaining wine body, collect
After the wine body of complete corresponding 70%~90% volume, stop distillation；
(2) foreshot is launched into rectifier unit, is disposably launched a certain amount of foreshot first in tower reactor, is opened rectifier unit
Tower reactor Heating K 1, stripping section heat preservation K2,1 section of heat preservation K3 of rectifying, 2 sections of heat preservation K4 of rectifying and each temperature measuring instrument, are opened cold
Condensate, reflux ratio controller and solenoid valve；Control heating speed is K1-T1=30-80 DEG C, and (K1 is bottom temperature control, and T1 is
Bottom temperature measures), K2=60-80 DEG C is controlled, K3=60-80 DEG C, K4=60-80 DEG C, controls bottom temperature T1=70-100
DEG C, control fusel oil adopts T2=70-95 DEG C of outlet temperature, controls T3=60-95 DEG C of tower top temperature, controls reflux ratio 1:1~10:
1；
(3) when the temperature that fusel oil produces mouth not up to produces temperature range, valve opening does not adopt fusel oil, and receiving wine tank in 1# receives
The fore-running wine of Studies of The Aromatic Substances is put rich in low boiling point；When the temperature that fusel oil produces mouth reaches extraction temperature range, fusel oil is produced,
Wine tank is received in 1# continue to impurity elimination wine simultaneously；When fusel oil produces the temperature of mouth beyond extraction temperature range, fusel is closed
Oily side take-off receives wine tank by 2# and receives back segment fusel oil；
(4) when bottom temperature reaches 90~100 DEG C, and tower top wine degree is down to 5% or less, distillation process terminates；Fusel oil is adopted
The fusel oil for exporting extraction is mixed into the fusel oil of removal with back segment fusel oil；The impurity elimination wine in wine tank and residue in tower reactor will be received
Higher boiling acid solution mixing after, as remove fusel oil foreshot, after being blent with former wine body be remove fusel oil base liquor.
2. according to the method described in claim 1, it is characterized in that：Step is continuous feeding during (2), and feed rate is
2-25L/h。
3. according to the method described in claim 1, it is characterized in that：In step (3) rate of withdrawal of fusel oil be wine speed/
Go out fusel speed oil=(2~15):1.
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| CN110591880A (en) * | 2019-10-18 | 2019-12-20 | 烟台诚达蒸馏设备有限公司 | Distiller integrated with automatic control and distillation process |
| CN111235000A (en) * | 2020-03-26 | 2020-06-05 | 满春晓 | Wine extraction process capable of removing fusel |
| CN115261178A (en) * | 2022-08-04 | 2022-11-01 | 李建东 | White spirit production device and method for removing fusel oil, biogenic amine and ethyl carbamate |
| CN115746990A (en) * | 2022-08-08 | 2023-03-07 | 李建东 | Method and device for producing white spirit by removing harmful substances such as fusel oil and the like |
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| CN115746990A (en) * | 2022-08-08 | 2023-03-07 | 李建东 | Method and device for producing white spirit by removing harmful substances such as fusel oil and the like |
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