CN108977277A - A kind of manufacturing method and molecular distillation equipment of lipin deacidifying and triglyceride oil - Google Patents
A kind of manufacturing method and molecular distillation equipment of lipin deacidifying and triglyceride oil Download PDFInfo
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- CN108977277A CN108977277A CN201810959652.6A CN201810959652A CN108977277A CN 108977277 A CN108977277 A CN 108977277A CN 201810959652 A CN201810959652 A CN 201810959652A CN 108977277 A CN108977277 A CN 108977277A
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- heater
- seal body
- molecular distillation
- distillation equipment
- deacidifying
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/12—Molecular distillation
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/04—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fats or fatty oils
- C11C3/06—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fats or fatty oils with glycerol
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- General Chemical & Material Sciences (AREA)
- Fats And Perfumes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The present invention relates to the manufacturing methods of a kind of lipin deacidifying and triglyceride oil, include the following steps: step 1, needing the molecular distillation equipment technique depickling of the grease of depickling；Step 2, the fatty acid that step 1 is obtained are reacted with glycerine esterification, generate monoglyceride diglyceride triglyceride mixture.The molecular distillation equipment of lipin deacidifying and triglyceride oil, including external seal body and the heater being arranged in inside seal body, seal body is hollow cylindrical or barrel-shaped structure with bottom, seal body is equipped with top end socket, top end socket is equipped with material inlet pipe, has multiple material distributors on heater outer wall and inner wall heating surface；The top of seal body connects vacuum tube, and the space between seal body inside and heater is connected to vacuum tube.Molecular distillation equipment manufacturing process of the present invention is more simple, and manufacturing cost is extremely cheap relative to existing molecular distillation equipment.
Description
Technical field
The present invention relates to grease deep process technical field, the manufacture of especially a kind of lipin deacidifying and triglyceride oil
Method and molecular distillation equipment.
Background technique
Diglyceride (Diacylglycerol, DG) is one in a quasi-glycerol three-ester (Triacylglycerol, TG)
The structured lipid that fatty acid is optionally substituted by a hydroxyl group.DG is in the micro constitutent of natural plant grease and the endogenous of body fat metabolism
Between product, it is the food composition of generally recognized as safe (GRAS).Discovered in recent years, diet DG, which has, to be reduced interior fat, inhibits body
Increase again, reduce the effect of blood lipid, thus is widely paid close attention to.DG have safety, nutrition, fitness of process is good, human body is compatible
Property it is high many advantages, such as, be a kind of multifunction additive, widely answer the industries such as food, medicine, chemical industry (cosmetics) are existing
With.
Since China wants a large amount of grease oil plant of import every year, especially import genetically engineered soybean is even more the first in the world, is filled
The accessory substance aliphatic acid for dividing ground to generate using physical refining, is reduced into grease and biodiesel diglyceride is a beneficial benefit
Fill, the benefit of the manufacturing method of a kind of lipin deacidifying of the present invention and (or) triglyceride oil also: first is that lipin deacidifying and glycerol
The production of diester shares a set of biggish molecular distillation production line of investment, improves equipment Commercial cultivation rate；Second is that having in grease
Certain diglyceride and monoglyceride, plays the role of emulsion dispersion, and fatty acid various in grease are adequately uniformly dispersed,
Delay the crystalline state of various greases simultaneously；Third is that diglyceride is as biodiesel, naturally occurring or add in common grease
Add a small amount of functional grease, has certain help to people's health is improved.
Because had the molecular distillation equipment of stirring expensive originally and cannot enlargement, oil and fat refining is in actual production
Middle with molecular distillation equipment is phoenix feathers and unicorn horns come depickling.
Summary of the invention
The purpose of the present invention is to solve defect of the existing technology, a kind of lipin deacidifying and triglyceride oil are provided
Manufacturing method and molecular distillation equipment.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of manufacturing method of lipin deacidifying and triglyceride oil, includes the following steps:
Step 1, need the grease of depickling with molecular distillation equipment technique remove free fatty acid；
Step 2, the fatty acid that step 1 is obtained are reacted with glycerine esterification, and it is mixed to generate monoglyceride diglyceride triglycerides
Close object.
The manufacturing method of above-mentioned a kind of lipin deacidifying and triglyceride oil, the monoglyceride that step 2 is generated, glycerol
Diester, triglyceride mixture are added to step 1 and need in the grease of depickling the purification of depickling together or grease and glycerol one
Ester, diglyceride, triglyceride mixture separate respectively individually depickling purification.
The manufacturing method of above-mentioned a kind of lipin deacidifying and triglyceride oil, the grease include vegetable oil, animal oil,
Microbial oil, waste oil gutter oil, the preferably higher rice bran oil of free fatty acid, fish oil, linseed oil.
The manufacturing method of above-mentioned a kind of lipin deacidifying and triglyceride oil, the molecular distillation deacidifying process use 3-5
Grade molecule distilling producing process.
The manufacturing method of above-mentioned a kind of lipin deacidifying and triglyceride oil, the molecular distillation deacidifying process preferably use
4 grades of molecule distilling producing process.Molecular distillation system using individual molecule distillation equipment or using multiple-grade molecular distillation equipment into
Row series, parallel or combinations thereof forms, and the position of multiple-grade molecular distillation equipment is arranged using horizontal, upper and lower or combinations thereof mode；
Edible oil enters molecular distillation system, into individual molecule distillation equipment or sequentially enters molecular distillation level-one, molecular distillation two
Grade and molecular distillation are multistage, and molecular distillation level-one is responsible for removing remaining moisture in edible oil, and molecular distillation second level and multistage are negative
Duty removes all kinds of free fatty acids, i.e. molecular distillation multistage is the more of free fatty acid in yield and edible oil according to edible oil
Depending on few, temperature and vacuum degree in molecular distillation equipments at different levels are also free fatty acid in removing edible oil as needed
Depending on how many, the product for reaching relevant criterion is finally obtained.
The manufacturing method of above-mentioned a kind of lipin deacidifying and triglyceride oil, a fraction of the molecular distillation deacidifying process
Son distillation vacuum degree is 1000-2000pa, and temperature is 90-130 degree；It is 100-1000pa, temperature that secondary molecules, which distill vacuum degree,
For 160-200 degree；
Three-level molecular distillation vacuum degree is 80-500pa, and temperature is 180-230 degree；It is 0.1- that quaternary molecule, which distills vacuum degree,
100pa, temperature are 190-260 degree.
A kind of molecular distillation equipment of lipin deacidifying and triglyceride oil including external seal body and is arranged close
The heater of body interior is sealed, seal body is that the hollow cylindrical or barrel-shaped structure, seal body with bottom are equipped with
Top end socket, top end socket are equipped with material inlet pipe, have multiple material distributors on heater outer wall and inner wall heating surface；Sealing
The top of ontology connects vacuum tube, and the space between seal body inside and heater is connected to vacuum tube；
Heater inside the seal body is ring heater, and ring heater is in rotary table annular, circular cone annular or cylinder
Ring structure, heater are mounted on the inner bottom of seal body or a part as seal body bottom end, the top of heater
Face, lateral surface and medial surface are heating surface, material distributor quantity be it is multiple, first material distributor is mounted on heater
On the heating surface on top, other material distributors are arranged on the medial surface of heater and the heating surface of lateral surface.
The molecular distillation equipment of above-mentioned a kind of lipin deacidifying and triglyceride oil, the material distributor be ring tube or
Annulus plate structure；Several apertures or material distributor and heating surface are reserved in material distributor ring tube or Circular Plate bottom
Between have certain gap, heater is equipped with heat medium import and Crude product input, heat medium import and heat medium
Outlet forms a thermal cycle relative to heater, and heat medium preferably uses the heat medium of solar energy heating, in actual production
In, for more energy efficient consumption reduction environmental protection, heat medium preferably uses solar energy heating, reduces the consumption of the fuel such as coal, natural gas, more
Be conducive to environment, reduce the discharge of the exhaust gas such as carbon dioxide in atmosphere.
The molecular distillation equipment of above-mentioned a kind of lipin deacidifying and triglyceride oil, seal body inside are equipped with more than one
Heater, the radial diffusion type arrangement in seal body of multiple heaters is equipped with annulus condenser between adjacent heater,
The quantity and heater of annulus condenser correspond, and annulus condenser has cooling water inlet and cooling water outlet.
The molecular distillation equipment of above-mentioned a kind of lipin deacidifying and triglyceride oil, the inner wall of seal body are heating device
Or water-cooled jacket set.
The molecular distillation equipment can connect and/or used in parallel with existing distillation evaporation equipment, preferably can with it is existing
Some have agitating device molecular distillation equipment connect and/or it is used in parallel.
The invention has the benefit that molecular distillation equipment manufacturing process of the present invention is more simple, manufacturing cost relative to
Existing molecular distillation equipment is extremely cheap.
Detailed description of the invention
Fig. 1 is internal heat type molecular distillation equipment scheme of installation of the present invention；
Fig. 2 is that schematic diagram is used in combination in different kinds of molecules distillation equipment of the present invention；
Fig. 3 is that circular ring shape molecular distillation equipment center line of the present invention erects schematic cross-sectional view；
Fig. 4 is that rotary table ring molecule distillation equipment center line of the present invention erects schematic cross-sectional view；
Fig. 5 is that the molecular distillation equipment center line of the invention with condenser erects schematic cross-sectional view；
Fig. 6 is that the more circular ring shape molecular distillation equipment center lines of the present invention erect schematic cross-sectional view；
Fig. 7 is that the molecular distillation equipment center line of outer wall belt of the present invention heating erects schematic cross-sectional view；
Fig. 8 is that the molecular distillation equipment center line of outer wall belt of the present invention condensation erects schematic cross-sectional view.
In figure, material inlet pipe 1, low boiling material outlet 2, high boiler material outlet 3, vacuum tube 4, heat medium import
5, Crude product input 6, first material distributor 7-1, second material distributor 7-2, third material distributor 7-3, cooling water
Import 8, cooling water outlet 9, molecular distillation equipment ontology 10；Material storage tank 20, molecular still level-one 21, molecular still two
Grade 22, molecular still three-level 23, molecular still level Four 24, molecular still level Four 25.
Specific embodiment
A kind of manufacturing method of lipin deacidifying and triglyceride oil, includes the following steps:
Step 1, need the grease of depickling with molecular distillation equipment technique remove free fatty acid；
Step 2, the fatty acid that step 1 is obtained are reacted with glycerine esterification, and it is mixed to generate monoglyceride diglyceride triglycerides
Close object.
Further, monoglyceride step 2 generated, diglyceride, triglyceride mixture are added to step 1 needs
Depickling refines together in the grease of depickling or grease and monoglyceride, diglyceride, triglyceride mixture separates respective
Independent depickling purification.
Wherein, grease includes vegetable oil, animal oil, microbial oil, waste oil gutter oil, and preferably free fatty acid is higher
Rice bran oil, fish oil, linseed oil.
As shown in Figure 1 and Figure 2, molecular distillation deacidifying process uses 3-5 grades of molecule distilling producing process, molecular distillation depickling
Technique preferably uses 4 grades of molecule distilling producing process.Molecular distillation system is using individual molecule distillation equipment or using multistage point
Sub- distillation equipment carries out series, parallel or combinations thereof and forms, and the position of multiple-grade molecular distillation equipment is using horizontal, upper and lower or its group
Conjunction mode is arranged；Edible oil enters molecular distillation system, into individual molecule distillation equipment or sequentially enter molecular distillation level-one,
Molecular distillation second level and molecular distillation are multistage, and molecular distillation level-one is responsible for removing remaining moisture in edible oil, molecular distillation two
Grade and multistage responsible all kinds of free fatty acids of removing, i.e. molecular distillation multistage is dissociated in yield and edible oil according to edible oil
Fatty acid number depending on, temperature and vacuum degree in molecular distillation equipments at different levels are also removing edible oil middle reaches as needed
Depending on the number of fatty acid, the product for reaching relevant criterion is finally obtained.
The first order molecular distillation vacuum degree of molecular distillation deacidifying process is 1000-2000pa, and temperature is 90-130 degree；Second level
Molecular distillation vacuum degree is 100-1000pa, and temperature is 160-200 degree；
Three-level molecular distillation vacuum degree is 80-500pa, and temperature is 180-230 degree；It is 0.1- that quaternary molecule, which distills vacuum degree,
100pa, temperature are 190-260 degree.
Combined with specific embodiments below with drawing to the structure of the molecular distillation equipment of lipin deacidifying and triglyceride oil into
Row explanation.
Embodiment 1
As shown in figure 3, the molecular distillation equipment of lipin deacidifying and triglyceride oil, it includes molecular distillation equipment ontology 10 and true
Blank pipe 4, the heater inside molecular distillation equipment ontology 10 is cylindrical annular, and cylindrical annular heater is mounted on seal body
Interior bottom end；There are multiple material distributors on ring heater outer wall and inner wall heating surface；Vacuum tube 4 is located in seal body, close
Space between envelope body interior and heater is connected to vacuum tube 4；First material distributor 7-1 is located at the upper end of heater,
Other material distributors are located on the heating surface of heater；Material distributor is annulus plate structure；Material distributor annulus
There is certain gap between board bottom portion and heating surface；Vacuum tube 4 is located in seal body, inside seal body between heater
Space be connected to vacuum tube 4.
Material from material inlet pipe 1 enter first material distributor 7-1, along heating inclined-plane toward flow down, naturally trickle at
Film-form, when flowing to second material distributor 7-2, material makes material more evenly under the action of second material distributor 7-2,
In being heated medium collet when the heating of heat medium, low-boiling substance is initially evaporated, through vacuum a part by vacuum
Pipe 4 recycles after being retracted to the condensation of distillation equipment external condenser, and a part is got off by the air cooling wall inside seal body is air-cooled, passes through
2 recycling of low boiling material outlet；When unevaporated substance continues trickling to third material distributor 7-3, material is in third material
Make material further uniform under the action of distributor 7-3, material originally has one to delay in third material distributor 7-3
Punching effect is the process that a material is reallocated into film again simultaneously, then is flowed downward from third material distributor 7-3.Material exists
Low-boiling substance initially evaporates on heating surface, and a part recycles after being retracted to the condensation of distillation equipment external condenser by vacuum tube 4,
A part is collected by low boiling material outlet 2, is remained by recycling after the seal body cooling wall condensation of outer seal device
Under high boiling substance all after heating surface, be finally pooled to bottom, by high boiler material outlet 3 enter lower one of work
Sequence.
Embodiment 2
As shown in figure 4, the molecular distillation equipment of lipin deacidifying and triglyceride oil, it includes molecular distillation equipment ontology 10 and true
Blank pipe 4, the heater inside molecular distillation equipment ontology 10 are the molecular distillation equipment of lipin deacidifying and triglyceride oil, rotary table
Annular, rotary table ring heater are mounted on the interior bottom end of seal body, become a part of seal body bottom end；Ring heater
There are multiple material distributors on outer wall and inner wall heating surface；Vacuum tube 4 is located in seal body, seal body inside and heater
Between space be connected to vacuum tube 4；First material distributor 7-1 is located at the upper end of heater, and other material distributors are set
On the heating surface of heater；Material distributor is ring tube structure；Material distributor ring tube material distributor and heating surface
Between have certain gap；Vacuum tube 4 is located in seal body, space and vacuum tube inside seal body between heater
4 connections.
Material from material inlet pipe 1 enter first material distributor 7-1, along heating inclined-plane toward flow down, naturally trickle at
Film-form, when flowing to second material distributor 7-2, material makes material more evenly under the action of second material distributor 7-2,
In being heated medium collet when the heating of heat medium, low-boiling substance is initially evaporated, through vacuum a part by vacuum
Pipe 4 recycles after being retracted to the condensation of distillation equipment external condenser, and a part is got off by the air cooling wall inside seal body is air-cooled, passes through
2 recycling of low boiling material outlet；When unevaporated substance continues trickling to third material distributor 7-3, material is in third material
Make material further uniform under the action of distributor 7-3, material originally has one to delay in third material distributor 7-3
Punching effect is the process that a material is reallocated into film again simultaneously, then is flowed downward from third material distributor 7-3.Material exists
Low-boiling substance initially evaporates on heating surface, and a part recycles after being retracted to the condensation of distillation equipment external condenser by vacuum tube 4,
A part is collected by low boiling material outlet 2, is remained by recycling after the seal body cooling wall condensation of outer seal device
Under high boiling substance all after heating surface, be finally pooled to bottom, by high boiler material outlet 3 enter lower one of work
Sequence.
Embodiment 3
As shown in figure 5, the molecular distillation equipment of lipin deacidifying and triglyceride oil, it includes molecular distillation equipment ontology 10 and true
Blank pipe 4, the heater inside molecular distillation equipment ontology 10 is cylindrical annular, and cylindrical annular heater is mounted on seal body
Interior bottom end；There are multiple material distributors on ring heater outer wall and inner wall heating surface；Vacuum tube 4 is located in seal body, close
Space between envelope body interior and heater is connected to vacuum tube 4；First material distributor 7-1 is located at the upper end of heater,
Other material distributors are located on the heating surface of heater；Material distributor is annulus plate structure；Material distributor annulus
There is certain gap between board bottom portion and heating surface；Vacuum tube 4 is located in seal body, inside seal body between heater
Space be connected to vacuum tube 4；
There is the corresponding annulus condenser of a heater inside molecular distillation equipment.As shown in figure 5, in order to make some low boiling points
The steam of substance is adequately cooled, while the sucking rate for reducing vacuum pump reduces the energy consumption of vacuum pump, and it is therefore necessary to set
Count an annulus condenser；Material enters first material distributor 7-1 from material inlet pipe 1, along heating inclined-plane toward flowing down, certainly
So trickling is at film-form, and when flowing to second material distributor 7-2, material makes object under the action of second material distributor 7-2
More evenly, in being heated medium collet when the heating of heat medium, low-boiling substance initially evaporates material, through the small portion of vacuum
Divide after being retracted to the condensation of distillation equipment external condenser by vacuum tube 4 and recycles, it is most of to be condensed out by annulus condenser, through too low
2 recycling of boiler material outlet；When unevaporated substance continues trickling to third material distributor 7-3, material is in third material point
Make material further uniform under the action of cloth device 7-3, material originally has a buffering in third material distributor 7-3
Effect is the process that a material is reallocated into film again simultaneously, then is flowed downward from third material distributor 7-3.Material is adding
Low-boiling substance initially evaporates on hot face, by returning after the condensation of the seal body cooling wall of annulus condenser and outer seal device
It receives, is collected by low boiling material outlet 2, remaining high boiling substance is finally pooled to bottom all after heating surface
Portion enters next process by high boiler material outlet 3.
Embodiment 4
The molecular distillation equipment of lipin deacidifying and triglyceride oil, it includes molecular distillation equipment ontology 10 and vacuum tube 4, molecule
Heater inside distillation equipment ontology 10 is cylindrical annular, and cylindrical annular heater is mounted on the interior bottom end of seal body；Ring
There are multiple material distributors on shape heater outer wall and inner wall heating surface；Vacuum tube 4 is located in seal body, inside seal body
Space between heater is connected to vacuum tube 4；First material distributor 7-1 is located at the upper end of heater, other materials
Distributor is located on the heating surface of heater；Material distributor is annulus plate structure；Material distributor Circular Plate bottom with plus
There is certain gap between hot face；Vacuum tube 4 is located in seal body, space inside seal body between heater and true
Blank pipe 4 is connected to；
There are two the corresponding two annulus condensers of heater inside molecular distillation equipment.As shown in fig. 6, in order to make some low boiling points
The steam of substance is adequately cooled, while the sucking rate for reducing vacuum pump reduces the energy consumption of vacuum pump, and it is therefore necessary to set
Count the corresponding two annulus condensers of two heaters；Material enters first material distributor 7-1 from material inlet pipe 1, along adding
Hot inclined-plane is toward flowing down, and trickling is at film-form naturally, and when flowing to second material distributor 7-2, material is in second material distributor 7-2
Under the action of make material more evenly, in being heated medium collet when the heating of heat medium, low-boiling substance is first
Evaporation is recycled after vacuum fraction is retracted to the condensation of distillation equipment external condenser by vacuum tube 4, most of by annulus condenser
It condenses out, by 2 recycling of low boiling material outlet；When unevaporated substance continues trickling to third material distributor 7-3, object
Material makes material further uniform under the action of third material distributor 7-3, and material originally is in third material distributor
Have a buffer function in 7-3 simultaneously and be again a process that material is reallocated into film, then from third material distributor 7-3 to
Lower flowing.Material low-boiling substance on heating surface initially evaporates, by the sealing sheet of annulus condenser and outer seal device
It recycles, is collected by low boiling material outlet 2, remaining high boiling substance all passes through heating surface after the condensation of body cooling wall
Afterwards, it is finally pooled to bottom, enters next process by high boiler material outlet 3.
Embodiment 5
The molecular distillation equipment of lipin deacidifying and triglyceride oil, it includes molecular distillation equipment ontology 10 and vacuum tube 4, molecule
Heater inside distillation equipment ontology 10 is rotary table annular, and rotary table ring heater is mounted on the interior bottom end of seal body, at
For a part of seal body bottom end；There are multiple material distributors on ring heater outer wall and inner wall heating surface；Vacuum tube 4 is set
In seal body, the space inside seal body between heater is connected to vacuum tube 4；First material distributor 7-1 is set
In the upper end of heater, other material distributors are located on the heating surface of heater；Material distributor is ring tube structure；Object
There is certain gap between material distributor ring tube material distributor and heating surface；Vacuum tube 4 is located in seal body, and sealing is originally
Space between internal portion and heater is connected to vacuum tube 4.The body wall of seal body can also be a heating device.
As shown in fig. 7, material enters first material distributor 7-1 from material inlet pipe 1, it is past dirty along heating inclined-plane,
Naturally trickling is at film-form, and when flowing to second material distributor 7-2, material makes under the action of second material distributor 7-2
More evenly, in being heated medium collet when the heating of heat medium, low-boiling substance initially evaporates material, through vacuum by
Vacuum tube 4 recycles after being retracted to the condensation of distillation equipment external condenser；Unevaporated substance continues trickling to third material distributor
When 7-3, material makes material further uniform under the action of third material distributor 7-3, and material originally is in third object
Having a buffer function in material distributor 7-3 simultaneously is process of the material reallocation at film again, then is divided from third material
Cloth device 7-3 flows downward.Material low-boiling substance on heating surface initially evaporates, and remaining high boiling substance is all by adding
Behind hot face, it is finally pooled to bottom, enters next process by high boiler material outlet 3.
Embodiment 6
The molecular distillation equipment of lipin deacidifying and triglyceride oil, it includes molecular distillation equipment ontology 10 and vacuum tube 4, molecule
Heater inside distillation equipment ontology 10 is cylindrical annular, and cylindrical annular heater is mounted on the interior bottom end of seal body；Ring
There are multiple material distributors on shape heater outer wall and inner wall heating surface；Vacuum tube 4 is located in seal body, inside seal body
Space between heater is connected to vacuum tube 4；First material distributor 7-1 is located at the upper end of heater, other materials
Distributor is located on the heating surface of heater；Material distributor is annulus plate structure；Material distributor Circular Plate bottom with plus
There is certain gap between hot face；Vacuum tube 4 is located in seal body, space inside seal body between heater and true
Blank pipe 4 is connected to；There is the corresponding annulus condenser of a heater inside molecular distillation equipment；The body wall of seal body is water cooling
Clamping device.
As shown in figure 8, in order to be adequately cooled the steam of some low-boiling point materials, while reducing the pumping of vacuum pump
Tolerance reduces the energy consumption of vacuum pump, is water-cooled jacket set and an annulus condensation it is therefore necessary to design the body wall of seal body
Device；Material enters first material distributor 7-1 from material inlet pipe 1, and along heating inclined-plane toward flowing down, trickling is at film naturally
Shape, when flowing to second material distributor 7-2, material makes material more evenly under the action of second material distributor 7-2, by
Into heat medium collet when the heating of heat medium, low-boiling substance is initially evaporated, and is taken out through vacuum fraction by vacuum tube 4
It is recycled after arriving the condensation of distillation equipment external condenser out, it is most of to be condensed out by annulus condenser, by low boiling material outlet 2
Recycling；When unevaporated substance continues trickling to third material distributor 7-3, effect of the material in third material distributor 7-3
Down so that material is further uniform, material originally has a buffer function to be again simultaneously in third material distributor 7-3
The process that one material is reallocated into film, then flow downward from third material distributor 7-3.Material low boiling point on heating surface
Substance initially evaporate, be to recycle after water-cooled jacket set condensation by annulus condenser and the body wall of seal body, by low boiling
Point material outlet 2 collects, and remaining high boiling substance is finally pooled to bottom all after heating surface, and process is high boiling
Point material outlet 3 enters next process.
Embodiment 7
The molecular distillation deacidification equipment of this edible oil, can be with used aloned, can also multiple series connection and/or used in parallel, depickling
Effect is more preferable.
As shown in Fig. 1 Fig. 3, the edible oil eaten in oil tank 20 passes through 21 material inlet pipe 1 of molecular still level-one,
Reasonable distribution by first material distributor 7-1 enters molecular distillation ontology 1, under the action of second material distributor 7-2,
It is evenly distributed in heating surface, forms that uniform film is top-down to be flowed through, flows to third material distributor 7-3, again uniformly
Ground is distributed, and the free fatty acid in edible oil evaporates under the action of heating and vacuum, is evacuated and is taken away, remaining edible oil
Be pooled to material outlet pipe 3, outflow molecular still level-one 21 enters molecular still second level 22, and so on enter molecule and steam
Evaporate device three-level 23, molecular still level Four 24.
Common fatty acids have 18 carbon of pungent capric acid (8 carbon, 10 carbon) 12 carbon, 14 carbon, 16 carbon, 20 carbon fatty acid, fatty acid species
More, boiling point differs larger, and this multistage distillation equipment and technique can ideally be stripped of miscellaneous fat in edible oil
Acid, (more scientific with a temperature process point fractionation of fatty acid in a distillation extracting tower compared to most producers at present)
It can be described as optimal at present equipment and technique.
Embodiment 8
The molecular distillation deacidification equipment of this edible oil can connect and/or used in parallel, preferably with existing distillation evaporation equipment
It can connect with existing molecular distillation equipment and/or used in parallel.
As shown in Fig. 2 Fig. 4, the edible oil eaten in oil tank 20 passes through 21 material inlet pipe 1 of molecular still level-one,
Reasonable distribution by first material distributor 7-1 enters molecular distillation ontology 1, under the action of second material distributor 7-2,
It is evenly distributed in heating surface, forms that uniform film is top-down to be flowed through, flows to third material distributor 7-3, again uniformly
Ground is distributed, and the free fatty acid in edible oil evaporates under the action of heating and vacuum, is evacuated and is taken away, remaining edible oil
Be pooled to material outlet pipe 3, outflow molecular still level-one 21 enters molecular still second level 22, and so on enter molecule and steam
Evaporate device three-level 23, molecular still level Four 24.
Free fatty acid that each molecular distillation equipment is collected into and together, with glycerine reaction, generates monoglyceride
The mixture (free fatty acid and glycerol that have reaction or not) of diglyceride triglycerides；Generation monoglyceride glycerol two
The mixture of ester triglycerides (free fatty acid and glycerol that have reaction or not) is added in the grease for want depickling to be taken off together
Acid treating is able to produce the diglyceride edible oil for meeting company standard.
Embodiment 9
As shown in Fig. 1 Fig. 2, rice bran oil after degumming, decoloration is steamed with the molecule that the flow of 600-650Kg/h enters working condition
System is evaporated, is successively flowed through from molecular distillation level-one, molecular distillation second level, molecular distillation three-level, molecular distillation level Four；With embodiment
The fatty acid of 7 embodiment, 8 rice bran oil removing and glycerine esterification reaction, obtain the mixing of three ester free fatty acid of monoglyceride diester
Object, be mixed into removing impurities degumming decoloration after 31 (KOH) mg/g high acid values rice bran oil in there are raw material storage tank wait together depickling essence
System: molecular distillation 1 is squeezed into product pump, under the conditions of vacuum degree 1600-1800pa, temperature 95-110 degree, is sloughed residual in raw material
The moisture and air stayed；Raw material enters molecular distillation 2 with the state of anhydrous no gas, in vacuum degree 400-500pa, temperature 165-
Under the conditions of 170 degree, the residual glycerine and middle long-chain free fatty acids in miscella are sloughed；Enter molecular distillation 3 later, in vacuum
100-150pa is spent, under the conditions of temperature 180-185 degree, sloughs the free fatty acid in miscella；Enter molecular distillation 4 later,
Vacuum degree 2-50pa under the conditions of temperature 210-230 degree, sloughs the fatty acid and monoglyceride in miscella；Finally obtain acid value
Meet the mixing edible oil of company standard in 1 (KOH) mg/g or less.
It is preferable to use the combination vacuum pumps of one group of water ring vacuum pump and 3 groups of Roots vaccum pumps for the vacuum pump vacuumized.Rice bran
Oil is in the basic functional principle in this set equipment and technique: molecular distillation level-one removes remaining moisture in tea-seed oil, behind
Molecular still once and again/again and three ground remove all kinds of free fatty acids.
Because molecular distillation equipment manufacturing process of the present invention is more simple, manufacturing cost is set relative to existing molecular distillation
It is standby extremely cheap, in order to protect molecular distillation equipment of the present invention, require to use this hair in the production process of any product hereby
Bright molecular distillation equipment and use present inventive concept, belong to equivalent replacement, all within the scope of protection of the patent of the invention.
Apparatus of the present invention are not limited by examples detailed above, and other any examples applied using the present apparatus belong to equivalent
Replacement, all within the scope of protection of the patent of the invention.
Claims (10)
1. the manufacturing method of a kind of lipin deacidifying and triglyceride oil, which comprises the steps of:
Step 1, need the grease of depickling with molecular distillation equipment technique remove free fatty acid；
Step 2, the fatty acid that step 1 is obtained are reacted with glycerine esterification, and it is mixed to generate monoglyceride diglyceride triglycerides
Close object.
2. the manufacturing method of a kind of lipin deacidifying and triglyceride oil according to claim 1, which is characterized in that step
Two monoglyceride, diglyceride, the triglyceride mixtures generated are added to step 1 and need depickling together in the grease of depickling
Grease and monoglyceride, diglyceride, triglyceride mixture are separated respectively individually depickling purification by purification.
3. the manufacturing method of a kind of lipin deacidifying and triglyceride oil according to claim 1 or 2, which is characterized in that institute
The grease stated includes vegetable oil, animal oil, microbial oil, gutter oil；The grease is preferably fish oil, rice bran oil, flax
Seed oil.
4. the manufacturing method of a kind of lipin deacidifying and triglyceride oil according to claim 3, which is characterized in that described point
Son distillation deacidifying process uses 3-5 grades of molecule distilling producing process.
5. the manufacturing method of a kind of lipin deacidifying and triglyceride oil according to claim 4, which is characterized in that described point
Son distillation deacidifying process uses 4 grades of molecule distilling producing process.
6. the manufacturing method of a kind of lipin deacidifying and triglyceride oil according to claim 4, which is characterized in that described point
The first order molecular distillation vacuum degree of son distillation deacidifying process is 1000-2000pa, and temperature is 90-130 degree；Secondary molecules distillation is true
Reciprocal of duty cycle is 100-1000pa, and temperature is 160-200 degree；Three-level molecular distillation vacuum degree is 80-500pa, temperature 180-230
Degree；It is 0.1-100pa that quaternary molecule, which distills vacuum degree, and temperature is 190-260 degree.
7. the molecular distillation equipment of a kind of lipin deacidifying and triglyceride oil, which is characterized in that including external seal body with
And the heater inside seal body is set, seal body is hollow cylindrical or barrel-shaped structure with bottom, sealing
Ontology is equipped with top end socket, and top end socket is equipped with material inlet pipe, has multiple materials on heater outer wall and inner wall heating surface
Distributor；The top of seal body connects vacuum tube, and the space between seal body inside and heater is connected to vacuum tube；
Heater inside the seal body is ring heater, and ring heater is in rotary table annular, circular cone annular or cylinder
Ring structure, heater are mounted on the inner bottom of seal body or a part as seal body bottom end, the top of heater
Face, lateral surface and medial surface are heating surface, material distributor quantity be it is multiple, first material distributor is mounted on heater
On the heating surface on top, other material distributors are arranged on the medial surface of heater and the heating surface of lateral surface.
8. the molecular distillation equipment of a kind of lipin deacidifying and triglyceride oil according to claim 7, which is characterized in that institute
Stating material distributor is ring tube or annulus plate structure；Material distributor ring tube or Circular Plate bottom or to reserve several small
There is certain gap between hole or material distributor and heating surface, heater is equipped with heat medium import and Crude product input,
Relative to heater one thermal cycle of formation, heat medium preferably uses solar energy heating for heat medium import and Crude product input
Heat medium.
9. the molecular distillation equipment of a kind of lipin deacidifying and triglyceride oil according to claim 7, which is characterized in that close
It seals body interior and is equipped with more than one heater, the radial diffusion type arrangement in seal body of multiple heaters, adjacent adds
Annulus condenser is equipped between hot device, the quantity and heater of annulus condenser correspond, and annulus condenser has cooling water
Import and cooling water outlet.
10. the molecular distillation equipment of a kind of lipin deacidifying and triglyceride oil according to claim 7, which is characterized in that
The inner wall of seal body is heating device or water-cooled jacket set.
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| CN201810959652.6A CN108977277A (en) | 2018-08-22 | 2018-08-22 | A kind of manufacturing method and molecular distillation equipment of lipin deacidifying and triglyceride oil |
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| CN201810959652.6A CN108977277A (en) | 2018-08-22 | 2018-08-22 | A kind of manufacturing method and molecular distillation equipment of lipin deacidifying and triglyceride oil |
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| CN111803984A (en) * | 2020-08-21 | 2020-10-23 | 张家港市蓝鸟机械有限公司 | Integrated molecular distillation structure |
| WO2021038138A1 (en) * | 2019-08-30 | 2021-03-04 | Neste Oyj | Purification method for biological feedstock |
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