CN106398859A - Sesame oil production technology - Google Patents
Sesame oil production technology Download PDFInfo
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- CN106398859A CN106398859A CN201611098244.3A CN201611098244A CN106398859A CN 106398859 A CN106398859 A CN 106398859A CN 201611098244 A CN201611098244 A CN 201611098244A CN 106398859 A CN106398859 A CN 106398859A
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- sesame oil
- sesame
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
- A23D9/04—Working-up
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/10—Production of fats or fatty oils from raw materials by extracting
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/006—Refining fats or fatty oils by extraction
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/12—Refining fats or fatty oils by distillation
Abstract
The invention relates to a sesame oil production technology, belonging to the field of plant oil processing. The sesame oil production technology comprises the following steps of: grinding sesame into powder or slurry; adding alcohol into the sesame powder or sesame slurry, and soaking for 2-5 hours; performing filter pressing to obtain a filtrate; distilling the filtrate in a distiller at 80-90 DEG C, and separating the alcohol; transferring the product of alcohol removal into an extraction kettle, and performing supercritical CO2 extraction; and performing two-level molecular distillation of the extraction product, wherein the light component of the product of the second-level molecular distillation is a finished product of sesame oil. In the invention, raw sesame can be directly ground by a direct grinding method, and oil is extracted directly without drying. By adopting alcohol to leach sesame oil molecules and in cooperation with ultrasonic stirring, the sesame oil extraction is thorough; a supercritical CO2 extraction method is adopted to further obtain sesame oil; finally, through two-level molecular distillation, the sesame oil has bright color and fragrant flavor.
Description
Technical field
The present invention relates to the processing technology of food oil, particularly to a kind of production technology of sesame oil.
Background technology
Semen sesami nigrum is a kind of tonic of fragrance, the table oil that sesame oil is just liked for people since ancient times always.It
It is a kind of flavouring, be also a kind of fuel.《Sheng Nong's herbal classic》Record：" sesame, dirty, the beneficial strength of bushing, long muscle, increasing
Marrow brain, long term usage salubrity ".Modern traditional Chinese medicine confirms to the health-care value research of sesame, and sesame oil is rich in vitamin E, dimension life
Multiple nutrition such as plain B1, linoleic acid, enrich blood, ease constipation, promote the production of body fluid, logical breast, hair care, beauty treatment the effects such as, its content at most, one-tenth
For the vitamin E of Main Ingredients and Appearance, its content is higher than white sesameseed more than 20%, has and improves blood circulation, enhances metabolism, and reduces
The function of body lipid accumulation；Semen sesami nigrum oil content is less than white sesameseed, and its nutrition and medical value are high, and Semen sesami nigrum potassium sodium ratio is higher than
More than 5 times of white sesameseed, containing abundant lecithin energy skin care, anti-aging, dispels the effect of senile plaque expelling, the black sesame of often to eat
Fiber crops, beneficial to prevention and alleviation hypertension.It is referred to as to prevent the nutrient of aging, spring eternal by people.
Sesame oil, also known as sesame oil, is a kind of aromatic flavour, nutritious edible oil.At present, the main sesame product of China
Planting is white sesameseed and Semen sesami nigrum, and the production technology of sesame oil is mainly water substitution, hydraulic pressure milling process and screw press method, traditional
Water substitution technique is：Clear seed, moisten seed, fry seed, raise cigarette, convert slurry and stir the steps such as oil, oil separation by oscillation, the ground sesameseed oil local flavor produced is dense
Strongly fragrant, soft, but its high labor intensive, produce substantial amounts of waste water and do not enable continuous prodution, development is restricted.Sent out later
The machine that exhibition is got up squeezes technique：Clear seed, fry seed, raise cigarette, quenched, squeezing, filter, the step such as precipitation is although compensate for water substitution
Deficiency, it is high to have an automatic control level, can with continuous prodution the advantages of, but the sesame oil local flavor produced does not have water substitution to produce
Obtain ground sesameseed oil soft, pure.Traditional sesame oil processing is mostly by sesame after parch maturation, produces through high temperature squeezing
Go out sesame oil.But sesame oil exists, and color and luster is deep, transparency is bad, the impurity containing, particularly phosphatide isocolloid impurity makes sesame
280 DEG C of heat runs of sesame oil are unqualified, floccule etc., need through certain refinement treatment in oil, can be used as height
The finished product sesame oil of quality.
Content of the invention
It is an object of the invention to provide a kind of production technology of sesame oil, break through original thinking, sesame need not be dried,
After harvesting sesame, directly with wearing into slurry, then leach, evaporate, molecular clock obtains bright, the sesame of aromatic flavour
Oil.
To achieve these goals, present invention employs following technical proposals.
A kind of production technology of sesame oil is it is characterised in that step is as follows：
A. pulverize：Degree of drying regardless of sesame, if fry, is ground into powdery or slurry sesame；
B. leach：Add alcohol in black sesame powder or sesame slurry, soak 2-5 hour；
C. press filtration：The product of press filtration step B, obtains filtrate；
D. alcohol separates：Distiller is distilled with 80-90 DEG C, separates alcohol；
E. extract：The product of dealcoholization is proceeded to and in extraction kettle, carries out supercritical CO2Extraction；
F. molecular clock：Extraction product is carried out secondary molecules distillation, the light component of second level molecular clock product is
Sesame oil finished product.
Further preferably, the equipment that described pulverizing process adopts is steel grinding machine or ball mill.
Further preferably, in described step B, using paddle and ultrasonic stirrer mix and blend, improve leaching efficiency, make
Oil molecule is dissolved in alcohol.
Further preferably, in described step D, in alcohol separation process, adopt distillation under vacuum, improve separative efficiency, separate
And recovered alcohol.
Further preferably, described extraction process is as follows：
4th, first extraction kettle is carried out being preheated to 50 DEG C, then add step D product in extraction kettle, adjust and enter
Extraction kettle mesohigh CO2Fluid pressure, to 35MPa, stablizes 2 hours；
5th, high pressure CO2The material that fluid carries extraction kettle enters the first separating still, the first preheater through the first preheater
Temperature be 50 DEG C, to 10MPa, part sesame oil separates out to adjust pressure in the first separating still；
6th, the high pressure CO carrying extract after the first separating still2Fluid is depressurized to 8MPa, then pre- through second
Hot device, enters the second separating still, and the temperature of the second preheater is 55 DEG C, is again separate out sesame oil, the CO after separated precipitation2
Gas returns refrigeration system and again participates in extraction cycle.
Further preferably, described molecular clock process is as follows：
Extraction gained sesame oil crude product is added in molecular distillation apparatus and carries out first order molecular distillation, residual in removing sesame oil
Organic solvent, moisture and the low boiling impurity composition staying, collects and distills, from first order molecular distilling apparatus, the heavy constituent that wall flows out, obtain
Distill heavy constituent to first order molecular；First order molecular distillation condition is：65 DEG C of raw material holding temperature, vacuum 500-2000Pa, steam
Evaporate 80 100 DEG C of temperature, feed flow rate 2 20mL/min, 0 30 DEG C of cryosurface temperature, blade applicator rotating speed 200 400rpm；One-level
Molecular clock heavy constituent is added in molecular distillation apparatus and carries out secondary molecules distillation, in removing first order molecular distillation heavy constituent
High-boiling-point impurity composition, collects the light component flowing out from secondary molecules distilling apparatus cryosurface, obtains sesame oil product；Two fractions
Sub- distillation condition is：30 70 DEG C of raw material holding temperature, vacuum 0.1 10Pa, 120 200 DEG C of vapo(u)rizing temperature, feed flow rate 1
10mL/min, 0 20 DEG C of cryosurface temperature, blade applicator rotating speed 200 450rpm.
Beneficial effects of the present invention：Using direct comminuting method, directly can pulverize raw sesame, need not be dried and directly carry oil.Adopt
Leach sesame oil molecule with alcohol, and coordinate ultrasonic agitation, sesame oil extract is thorough.Using supercritical CO2Extracting process enters one
Step obtains sesame oil, removes moisture removal, and in extraction process, technical maturity is it is easy to operate, non-pollutant discharge in whole production process
Process, environmental protection, yield is high, purity is high.Finally remove residual in the sesame oil obtaining using first order molecular distillation technique
Organic solvent, moisture and low boiling impurity composition, thoroughly remove organic solvent and the low boiling foul smell composition in sesame oil；Finally
Isolate and purify recovery sesame oil product using secondary molecules distillation technique from the sesame oil crude product that first order molecular distillation obtains, thorough
Bottom removes high-boiling-point impurity composition, obtains highly purified sesame oil product.
Brief description
Fig. 1 is the process flow diagram of the present invention.
Specific embodiment
It is further elucidated with the implementation of the present invention below in conjunction with the accompanying drawings with preferred embodiment.
Embodiment 1
Weigh the raw sesame that 50Kg does not dry, with steel grinding machine, sesame is ground into slurry, in process of lapping, for preventing from gluing
Mill, can be suitably added water, grind and obtain slurry；Add alcohol 10kg in sesame slurry, stirring is simultaneously ultrasonic, soaks 2 hours；So
Use filter press press filtration afterwards, remove sesame residues, obtain filtrate, plate and frame filter press press filtration can be adopted；Contain in press filtration gained filtrate
Alcohol, sesame oil, water, filtrate are proceeded to and are distilled with 80 DEG C in distiller, controlled pressing pressure during distillation, using vacuum distillation
Method, separates alcohol, detached alcohol recycle, for leaching next group sesame slurry.The product of dealcoholization is proceeded in extraction kettle
Row supercritical CO2Extraction；First extraction kettle is carried out being preheated to 50 DEG C, then by step D product add extraction kettle in, adjust into
Enter extraction kettle mesohigh CO2Fluid pressure, to 35MPa, stablizes 2 hours；High pressure CO2The material that fluid carries extraction kettle is pre- through first
Hot device enters the first separating still, and the temperature of the first preheater is 50 DEG C, and in regulation the first separating still, pressure is to 10MPa, part sesame
Sesame oil separates out；The high pressure CO carrying extract after the first separating still2Fluid is depressurized to 8MPa, then through the second preheating
Device, enters the second separating still, and the temperature of the second preheater is 55 DEG C, is again separate out sesame oil, the CO after separated precipitation2Gas
Body returns refrigeration system and again participates in extraction cycle.CO2Extraction eliminates large quantity of moisture, and removes alcohol further.But
Color and luster does not become clear, because also containing impurity and macromolecular substances.
Molecular clock：Extraction gained sesame oil crude product is added in molecular distillation apparatus and carries out first order molecular distillation, removing
The organic solvent of residual, moisture and low boiling impurity composition in sesame oil, collect and flow out from first order molecular distilling apparatus distillation wall
Heavy constituent, obtain first order molecular distillation heavy constituent；First order molecular distillation condition is：65 DEG C of raw material holding temperature, vacuum
500Pa, 80 DEG C of vapo(u)rizing temperature, feed flow rate 2mL/min, 0 DEG C of cryosurface temperature, blade applicator rotating speed 200rpm；First order molecular steams
Evaporate heavy constituent and be added in molecular distillation apparatus and carry out secondary molecules distillation, removing first order molecular distills the higher boiling in heavy constituent
Impurity component, collects the light component flowing out from secondary molecules distilling apparatus cryosurface, obtains sesame oil product；Secondary molecules distill
Condition is：30 DEG C of raw material holding temperature, vacuum 0.1Pa, 120 DEG C of vapo(u)rizing temperature, feed flow rate 1mL/min, cryosurface temperature 0
DEG C, blade applicator rotating speed 200rpm.Thoroughly eliminate alcohol, moisture, small-molecule substance through secondary molecules distillation, then remove again
Beat molecular substance, obtain that molecular weight of product is more uniform, purity is high, and color and luster is bright, aromatic flavour, can as senior sesame oil,
Use value and economic worth are high.
Embodiment 2
Weigh the raw sesame that 50Kg does not dry, with steel grinding machine, sesame is ground into slurry, in process of lapping, for preventing from gluing
Mill, can be suitably added water, grind and obtain slurry；Add alcohol 10kg in sesame slurry, stirring is simultaneously ultrasonic, soaks 4 hours；So
Use filter press press filtration afterwards, remove sesame residues, obtain filtrate, plate and frame filter press press filtration can be adopted；Contain in press filtration gained filtrate
Alcohol, sesame oil, water, filtrate are proceeded to and are distilled with 90 DEG C in distiller, controlled pressing pressure during distillation, using vacuum distillation
Method, separates alcohol, detached alcohol recycle, for leaching next group sesame slurry.The product of dealcoholization is proceeded in extraction kettle
Row supercritical CO2Extraction；First extraction kettle is carried out being preheated to 50 DEG C, then by step D product add extraction kettle in, adjust into
Enter extraction kettle mesohigh CO2Fluid pressure, to 35MPa, stablizes 2 hours；High pressure CO2The material that fluid carries extraction kettle is pre- through first
Hot device enters the first separating still, and the temperature of the first preheater is 50 DEG C, and in regulation the first separating still, pressure is to 10MPa, part sesame
Sesame oil separates out；The high pressure CO carrying extract after the first separating still2Fluid is depressurized to 8MPa, then through the second preheating
Device, enters the second separating still, and the temperature of the second preheater is 55 DEG C, is again separate out sesame oil, the CO after separated precipitation2Gas
Body returns refrigeration system and again participates in extraction cycle.CO2Extraction eliminates large quantity of moisture, and removes alcohol further.But
Color and luster does not become clear, because also containing impurity and macromolecular substances.
Molecular clock：Extraction gained sesame oil crude product is added in molecular distillation apparatus and carries out first order molecular distillation, removing
The organic solvent of residual, moisture and low boiling impurity composition in sesame oil, collect and flow out from first order molecular distilling apparatus distillation wall
Heavy constituent, obtain first order molecular distillation heavy constituent；First order molecular distillation condition is：65 DEG C of raw material holding temperature, vacuum
2000Pa, 100 DEG C of vapo(u)rizing temperature, feed flow rate 20mL/min, 30 DEG C of cryosurface temperature, blade applicator rotating speed 400rpm；One fraction
Son distillation heavy constituent is added in molecular distillation apparatus and carries out secondary molecules distillation, and removing first order molecular distills the height in heavy constituent
Boiling contaminants composition, collects the light component flowing out from secondary molecules distilling apparatus cryosurface, obtains sesame oil product；Secondary molecules
Distillation condition is：70 DEG C of raw material holding temperature, vacuum 10Pa, 200 DEG C of vapo(u)rizing temperature, feed flow rate 10mL/min, cryosurface
20 DEG C of temperature, blade applicator rotating speed 450rpm.Thoroughly eliminate alcohol, moisture, small-molecule substance through secondary molecules distillation, then
Eliminate again and beat molecular substance, it is more uniform to obtain molecular weight of product, purity is high, color and luster is bright, aromatic flavour can be used as senior
Sesame oil, use value and economic worth are high.
Embodiment 3
Weigh the dry sesame of 50Kg (moisture content is less than 5%), with steel grinding machine, sesame is ground into powder；Wine is added in black sesame powder
Smart 20kg, stirring is simultaneously ultrasonic, soaks 5 hours；Then use filter press press filtration, remove sesame residues, obtain filtrate, sheet frame can be adopted
Filter press press filtration；Contain alcohol, sesame oil, water in press filtration gained filtrate, filtrate is proceeded to and is distilled with 80 DEG C in distiller, steam
Controlled pressing pressure when evaporating, using distillation under vacuum, separates alcohol, detached alcohol recycle, for leaching next group sesame slurry.Will
The product of dealcoholization proceeds to and carries out supercritical CO in extraction kettle2Extraction；First extraction kettle is carried out being preheated to 50 DEG C, then will walk
Rapid D product adds in extraction kettle, adjusts and enters extraction kettle mesohigh CO2Fluid pressure, to 35MPa, stablizes 2 hours；High pressure CO2Stream
The material that body carries extraction kettle enters the first separating still through the first preheater, and the temperature of the first preheater is 50 DEG C, adjusts first
In separating still, to 10MPa, part sesame oil separates out pressure；The high pressure CO carrying extract after the first separating still2Fluid
It is depressurized to 8MPa, then through the second preheater, enter the second separating still, the temperature of the second preheater is 55 DEG C, is again separate out
Sesame oil, the CO after separated precipitation2Gas returns refrigeration system and again participates in extraction cycle.CO2Extraction eliminates a large amount of water
Point, and remove alcohol further.But color and luster does not become clear, because also containing impurity and macromolecular substances.
Molecular clock：Extraction gained sesame oil crude product is added in molecular distillation apparatus and carries out first order molecular distillation, removing
The organic solvent of residual, moisture and low boiling impurity composition in sesame oil, collect and flow out from first order molecular distilling apparatus distillation wall
Heavy constituent, obtain first order molecular distillation heavy constituent；First order molecular distillation condition is：65 DEG C of raw material holding temperature, vacuum
1000Pa, 85 DEG C of vapo(u)rizing temperature, feed flow rate 5mL/min, 15 DEG C of cryosurface temperature, blade applicator rotating speed 300rpm；First order molecular
Distillation heavy constituent is added in molecular distillation apparatus and carries out secondary molecules distillation, and removing first order molecular distills the height boiling in heavy constituent
Point impurity component, collects the light component flowing out from secondary molecules distilling apparatus cryosurface, obtains sesame oil product；Secondary molecules steam
The condition of evaporating is：65 DEG C of raw material holding temperature, vacuum 3Pa, 160 DEG C of vapo(u)rizing temperature, feed flow rate 5mL/min, cryosurface temperature
10 DEG C, blade applicator rotating speed 300rpm.Thoroughly eliminate alcohol, moisture, small-molecule substance through secondary molecules distillation, then go again
Except beating molecular substance, it is more uniform to obtain molecular weight of product, and purity is high, and color and luster is bright, and aromatic flavour can be used as senior perfume (or spice)
Oil, use value and economic worth are high.
Embodiment 4
Weigh the raw sesame that 50Kg does not dry, with ball mill, sesame is ground into slurry, in process of lapping, for preventing from gluing
Mill, can be suitably added water, grind and obtain slurry；Add alcohol 10kg in sesame slurry, soak 3 hours；Then use filter press
Press filtration, removes sesame residues, obtains filtrate, can adopt plate and frame filter press press filtration；Alcohol, sesame is contained in press filtration gained filtrate
Oil, water, filtrate are proceeded to and are distilled with 80 DEG C in distiller, controlled pressing pressure during distillation, using distillation under vacuum, separate wine
Essence, detached alcohol recycle, for leaching next group sesame slurry.The product of dealcoholization is proceeded to carry out in extraction kettle overcritical
CO2Extraction；First extraction kettle is carried out being preheated to 50 DEG C, then add step D product in extraction kettle, adjust and enter extraction kettle
Mesohigh CO2Fluid pressure, to 35MPa, stablizes 2 hours；High pressure CO2The material that fluid carries extraction kettle enters through the first preheater
First separating still, the temperature of the first preheater is 50 DEG C, and, to 10MPa, part sesame oil separates out to adjust pressure in the first separating still；
The high pressure CO carrying extract after the first separating still2Fluid is depressurized to 8MPa, then through the second preheater, enters second
Separating still, the temperature of the second preheater is 55 DEG C, is again separate out sesame oil, the CO after separated precipitation2Gas returns refrigeration
System participates in extraction cycle again.CO2Extraction eliminates large quantity of moisture, and removes alcohol further.But color and luster is simultaneously failed to understand
Bright, because also containing impurity and macromolecular substances.
Molecular clock：Extraction gained sesame oil crude product is added in molecular distillation apparatus and carries out first order molecular distillation, removing
The organic solvent of residual, moisture and low boiling impurity composition in sesame oil, collect and flow out from first order molecular distilling apparatus distillation wall
Heavy constituent, obtain first order molecular distillation heavy constituent；First order molecular distillation condition is：65 DEG C of raw material holding temperature, vacuum
1500Pa, 95 DEG C of vapo(u)rizing temperature, feed flow rate 15mL/min, 15 DEG C of cryosurface temperature, blade applicator rotating speed 350rpm；First order molecular
Distillation heavy constituent is added in molecular distillation apparatus and carries out secondary molecules distillation, and removing first order molecular distills the height boiling in heavy constituent
Point impurity component, collects the light component flowing out from secondary molecules distilling apparatus cryosurface, obtains sesame oil product；Secondary molecules steam
The condition of evaporating is：45 DEG C of raw material holding temperature, vacuum 5Pa, 180 DEG C of vapo(u)rizing temperature, feed flow rate 8mL/min, cryosurface temperature
15 DEG C, blade applicator rotating speed 250rpm.Thoroughly eliminate alcohol, moisture, small-molecule substance through secondary molecules distillation, then go again
Except beating molecular substance, it is more uniform to obtain molecular weight of product, and purity is high, and color and luster is bright, and aromatic flavour can be used as senior perfume (or spice)
Oil, use value and economic worth are high.
The above is the preferred embodiment of the present invention it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a kind of production technology of sesame oil is it is characterised in that step is as follows：
A. pulverize：Degree of drying regardless of sesame, if fry, is ground into powdery or slurry sesame；
B. leach：Add alcohol in black sesame powder or sesame slurry, soak 2-5 hour；
C. press filtration：The product of press filtration step B, obtains filtrate；
D. alcohol separates：Distiller is distilled with 80-90 DEG C, separates alcohol；
E. extract：The product of dealcoholization is proceeded to and in extraction kettle, carries out supercritical CO2Extraction；
F. molecular clock：Extraction product is carried out secondary molecules distillation, the light component of second level molecular clock product is sesame
Oily finished product.
2. sesame oil according to claim 1 production technology it is characterised in that：The equipment that described pulverizing process adopts is
Steel grinding machine or ball mill.
3. sesame oil according to claim 1 production technology it is characterised in that：In described step B, using paddle and
Ultrasonic stirrer mix and blend, improves leaching efficiency, so that oil molecule is dissolved in alcohol.
4. sesame oil according to claim 1 production technology it is characterised in that：In described step D, alcohol separation process
Middle employing distillation under vacuum, improves separative efficiency, is separated and recovered from alcohol.
5. sesame oil according to claim 1 production technology it is characterised in that：Described extraction process is as follows：
First, first extraction kettle is carried out being preheated to 50 DEG C, then add step D product in extraction kettle, adjust and enter extraction
Kettle mesohigh CO2Fluid pressure, to 35MPa, stablizes 2 hours；
Second, high pressure CO2The material that fluid carries extraction kettle enters the first separating still, the temperature of the first preheater through the first preheater
Spend for 50 DEG C, to 10MPa, part sesame oil separates out to adjust pressure in the first separating still；
3rd, the high pressure CO carrying extract after the first separating still2Fluid is depressurized to 8MPa, then through the second preheater,
Enter the second separating still, the temperature of the second preheater is 55 DEG C, is again separate out sesame oil, the CO after separated precipitation2Gas
Return refrigeration system and again participate in extraction cycle.
6. sesame oil according to claim 1 production technology it is characterised in that：Described molecular clock process is as follows：Extraction
Take gained sesame oil crude product to be added in molecular distillation apparatus and carry out first order molecular distillation, in removing sesame oil, residual is organic molten
Agent, moisture and low boiling impurity composition, collect and distill, from first order molecular distilling apparatus, the heavy constituent that wall flows out, obtain first order molecular
Distillation heavy constituent；First order molecular distillation condition is：65 DEG C of raw material holding temperature, vacuum 500-2000Pa, vapo(u)rizing temperature 80
100 DEG C, feed flow rate 2 20mL/min, 0 30 DEG C of cryosurface temperature, blade applicator rotating speed 200 400rpm；First order molecular distillation weight
Component is added in molecular distillation apparatus and carries out secondary molecules distillation, and removing first order molecular distills the high-boiling-point impurity in heavy constituent
Composition, collects the light component flowing out from secondary molecules distilling apparatus cryosurface, obtains sesame oil product；Secondary molecules distillation condition
For：30 70 DEG C of raw material holding temperature, vacuum 0.1 10Pa, 120 200 DEG C of vapo(u)rizing temperature, feed flow rate 1 10mL/min is cold
0 20 DEG C of solidifying face temperature, blade applicator rotating speed 200 450rpm.
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|---|---|---|---|
| CN201611098244.3A CN106398859A (en) | 2016-12-03 | 2016-12-03 | Sesame oil production technology |
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| CN201611098244.3A CN106398859A (en) | 2016-12-03 | 2016-12-03 | Sesame oil production technology |
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| CN106398859A true CN106398859A (en) | 2017-02-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110845099A (en) * | 2018-07-31 | 2020-02-28 | 张伟民 | Method for treating drilling oil sludge mixed with oil-based lubricant |
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