CN206447855U - A kind of high acid value, the device of thermally labile grease physical deacidification deodorization - Google Patents
A kind of high acid value, the device of thermally labile grease physical deacidification deodorization Download PDFInfo
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- CN206447855U CN206447855U CN201720112950.2U CN201720112950U CN206447855U CN 206447855 U CN206447855 U CN 206447855U CN 201720112950 U CN201720112950 U CN 201720112950U CN 206447855 U CN206447855 U CN 206447855U
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- grease
- extracting tower
- oil
- deodorizing tank
- thermally labile
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- 239000004519 grease Substances 0.000 title claims abstract description 87
- 239000002253 acid Substances 0.000 title claims abstract description 69
- 238000004332 deodorization Methods 0.000 title claims abstract description 29
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 45
- 230000000740 bleeding effect Effects 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000007670 refining Methods 0.000 abstract description 31
- 238000006317 isomerization reaction Methods 0.000 abstract description 23
- 235000014113 dietary fatty acids Nutrition 0.000 abstract description 12
- 229930195729 fatty acid Natural products 0.000 abstract description 12
- 239000000194 fatty acid Substances 0.000 abstract description 12
- 150000004665 fatty acids Chemical class 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 36
- 235000019198 oils Nutrition 0.000 description 36
- 235000013305 food Nutrition 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 239000010779 crude oil Substances 0.000 description 12
- 239000003925 fat Substances 0.000 description 9
- 235000019197 fats Nutrition 0.000 description 9
- 238000002372 labelling Methods 0.000 description 9
- 235000016709 nutrition Nutrition 0.000 description 9
- 238000012935 Averaging Methods 0.000 description 8
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 8
- 125000001931 aliphatic group Chemical group 0.000 description 8
- 235000020778 linoleic acid Nutrition 0.000 description 8
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 6
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 6
- 150000002617 leukotrienes Chemical class 0.000 description 6
- 229960004488 linolenic acid Drugs 0.000 description 6
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 6
- 239000008157 edible vegetable oil Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000000344 soap Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000944 linseed oil Substances 0.000 description 3
- 235000021388 linseed oil Nutrition 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000003813 safflower oil Substances 0.000 description 3
- 210000000697 sensory organ Anatomy 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- 241001300674 Plukenetia volubilis Species 0.000 description 2
- 235000004626 essential fatty acids Nutrition 0.000 description 2
- 235000021323 fish oil Nutrition 0.000 description 2
- 235000003642 hunger Nutrition 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 235000020777 polyunsaturated fatty acids Nutrition 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000004347 Perilla Nutrition 0.000 description 1
- 244000124853 Perilla frutescens Species 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 235000019498 Walnut oil Nutrition 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000000259 anti-tumor effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000004641 brain development Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 230000011712 cell development Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229940013317 fish oils Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000021588 free fatty acids Nutrition 0.000 description 1
- 230000000774 hypoallergenic effect Effects 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000008170 walnut oil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The utility model discloses a kind of high acid value, the device of thermally labile grease physical deacidification deodorization, including extracting tower, deodorizing tank, heater, radiator and heat exchanger, the feed pipe of the extracting tower is provided with exports the heater being connected with heat exchanger cold oil, and the discharge pipe of extracting tower is connected by circulating valve with exchanger heat oil-in；The feed pipe of deodorizing tank is provided with the radiator being connected with exchanger heat oil export, and the discharge pipe of deodorizing tank is connected with heat exchanger cold oil entrance.The utility model can control the isomerization content of fatty acid of thermally labile grease in≤below 0.3g/100g.The device refining effect is good, energy consumption and production cost are low, moreover it is possible to which small lot is produced, and is particularly suitable for high acid value, the physical refining of the small kind grease of thermally labile.
Description
Technical field
The utility model is related to edible oil and fat processing technique field, more particularly to a kind of high acid value, thermally labile grease thing
Manage the device of refining.
Background technology
Unsaturated fatty acid content in edible oil, especially essential fatty acid linoleic acid（The carbon of 9,12- all-cis formulas 18
Dienoic acid）And leukotrienes（9,12,15- all-cis formula octatecatrienoic acids）, it is the important indicator for weighing edible oil nutritive value.It is sub-
Oleic acid is the serial polyunsaturated fatty acids of ω -6, has the function of promoting cell development in human body；Leukotrienes is ω -3
Serial polyunsaturated fatty acid, with reducing blood lipid, it is hypo-allergenic, antitumor, promote brain development and protection cardiovascular and cerebrovascular the effects such as.
Be typically passed through high temperature process in refining raw food oil production process, with remove free fatty in grease and
Bad smell.But under conditions of high temperature, starvation, eat the carbon-carbon double bond meeting of unrighted acid in oil triglycerides
From the higher cis-structure of energy（cis-）Become the lower more stable transconfiguration of energy（trans-）.The process is referred to as insatiable hunger
With the isomerization of aliphatic acid.Research shows that the species of the degree aliphatic acid of fatty acid isomerization, temperature and time are related.Fat
The more high easier isomerization of sour degree of unsaturation.Leukotrienes contains three unsaturated bonds, and linoleic acid contains two unsaturated bonds, oil
Acid contains a unsaturated bond.Therefore for the easy degree of isomerization, leukotrienes>Linoleic acid>Oleic acid.General leukotrienes contains
Amount is more than 10% or grease of the linoleic acid content more than 50% is easy to that isomerization occurs at high temperature, and this quasi-grease is referred to as heat not
Stable grease.
Current scientific circles there is no the harmful evidence of isomerization aliphatic acid, the countries in the world including China（It is red
Except wheat）It there is no the laws and regulations for limiting isomerization content of fatty acid in common vegetable and animals oils.But there is scientific evidence to show, isomery
The linoleic acid and leukotrienes of the essential fatty acid of change, such as isomerization, the no longer physiologically active with script, are only capable of
Energy is provided for human body.Therefore, the isomerization fat content produced in reduction course of oil processing, has become scientific circles and oil
Fat processes the common recognition on boundary.
According to free fatty in removing crude oil（Abbreviation depickling）Method it is different, can be being divided into of fats and Oils Refining Technology
Learn refining and physical refining.Chemical refining produces soap by the free fatty in high alkali liquid and in crude oil（Soap）, so
Precipitation and washing, remove soap afterwards.Physical refining is then that in the environment of high temperature and high vacuum, the free fatty allowed in crude oil becomes
Come out, then taken away by vapor into gas evaporation.
In general, chemical refining condition is relatively mild, suitable for thermally labile grease；Physical refining needs to bear higher
Temperature（240~260 DEG C）, suitable for thermally-stabilised grease.But the soap that chemical refining is produced can adsorb substantial amounts of neutral grease, refine
Loss（Referred to as refining consumes）It is higher, it is adapted to acid number（Weigh the index of free fatty acid content in crude oil）Relatively low grease；Physics
Refining then simply evaporation free fatty, is entrained with the neutral grease come seldom, so efficiency high, refining consumption is low, be adapted to acid number compared with
High grease.
For the physical refining of grease, extensive continuous physical refining is divided into again and refines two kinds of techniques with small-scale batch (-type)
Technology.
The former, under high vacuum state（100~250Pa）, after crude oil with high acid value heating（240~260 DEG C）Continue to flow through
Physical deacidification tower, thin film fluid is formed on the filler surface of extracting tower.Free fatty volatilizees under conditions of high temperature high vacuum
Out, acid number is reduced.Because the time that crude oil flows through extracting tower is very short（Generally 5-10 minutes）, after depickling, grease also band
There is bad smell, need to further be deodorized.Method is that the grease allowed after depickling enters deodorization delay tank（It is commonly mounted directly to depickling
Tower bottom）, at high temperature（It is identical with depickling temperature）Stop 1~2 hour, complete deodorising process.The technique is adapted to acid number less
The high, oil and fat refining that batch is larger.
The latter, because scale is smaller, it is impossible to form continuous processing, can only interval refining deacidification, that is, batch
Crude oil depickling together.Interval is refined generally to be carried out in interval deacidification tank.Its method is as follows：Load one in sealed deacidification tank
The crude oil with high acid value of batch, by heating coil by heating crude oil to depickling temperature（240~260 DEG C）, meanwhile, deacidification tank is entered
Row vacuumize process, 100~250Pa is dropped to by the absolute pressure in deacidification tank.Close to before depickling temperature, depickling pot bottom
One group of steam jet start spray vapor.Vapor is fragmented into inside high-temperature grease in minute bubbles one by one, crude oil
The free fatty in portion is begun to boil off in the environment of high temperature high vacuum, into vapor bubble, then as vapor gas
Bubble rises, and is extracted deacidification tank, is finally condensed in aliphatic acid capture tank.
Either continuous physical is refined, or interval physical refining, and grease is required at high operating temperatures（240~260
℃）, undergo longer time（1~2 hour, or 3~5 hours）, therefore it is easy to occur isomery for thermally labile grease
Change reaction, the content of fatty acid of isomerization is sometimes more than 5g/100g.
For the high small kind edible oil of high acid value, the edible oil of thermally labile, particularly linoleic acid plus linolenic acid content,
Such as seeds of rubber tree oil, oil and fat of sacha inchi, safflower seed oil, linseed oil, perilla herb oil, refining deacidification face an awkward choosing
Select：Because its acid number is very high, it is lost with chemical refining very big；Due to its thermally labile, it can then be produced using physical refining a large amount of
Isomerization aliphatic acid.And because the grease of high acid value, thermally labile substantially belongs to small kind grease, scale and batch compared with
It is small, it is difficult to adopt the process of continuous refining.
Utility model content
To solve the above problems, the utility model provides a kind of high acid value, the dress of thermally labile grease physical deacidification deodorization
Put, be to be directed to small lot, high acid value, thermally labile grease, can be during physical refining deacidification, by thermally labile grease
The control of isomerization content of fatty acid exists《The national food safety standard prepackaged food nutritional labeling general rules of GB 28050》It is defined
" 0 " boundary value（≤0.3g/100g）Below.
The utility model is realized by following technical proposal：What a kind of high acid value, thermally labile grease physical deacidification were deodorized
Device, including extracting tower, deodorizing tank, heater, radiator and heat exchanger, the feed pipe of the extracting tower are provided with and heat exchange
The heater of device cold oil outlet connection, the discharge pipe of extracting tower is connected by circulating valve with exchanger heat oil-in；It is described de-
The feed pipe of smelly tank is provided with the radiator being connected with exchanger heat oil export, discharge pipe and the heat exchanger cold oil of deodorizing tank
Entrance is connected.
The extracting tower is provided with vapor import, and is controlled by vapor valve I.
The deodorizing tank is provided with vapor import, and is controlled by vapor valve II.
Provided with the bleeding point I being connected with pumped vacuum systems at the top of the extracting tower.
Provided with the bleeding point II being connected with pumped vacuum systems at the top of the deodorizing tank.
The discharging opening controlled by outlet valve is additionally provided with the discharge pipe of the extracting tower.
The charging aperture controlled by inlet valve is additionally provided with the feed pipe of the deodorizing tank.
The discharge pipe of the extracting tower is provided with canned motor pump I.
The feed pipe of the extracting tower is provided with canned motor pump II.
When the device works, open canned motor pump I and canned motor pump II, pressure opening circulating valve closes outlet valve, open inlet valve and
Vacuum system, the grease for treating deacid-deodoring is entered by charging aperture, enters extracting tower through heat exchanger, heater, is entered back into de-
Smelly tank, then under vacuum, grease forms circulate in a device.Inlet valve is closed, heater, radiator is protected
Closing is held, grease is gradually heated up, when the oil temperature in deodorizing tank rises to 200 DEG C, radiator is opened, by the oil temperature in deodorizing tank
Control is at 180~200 DEG C, and heater continues to heat, and makes the Oil-temperature control entered in extracting tower at 240~260 DEG C, to extracting tower
With vapor is passed through in deodorizing tank.So far, the device enters stable " depickling-deodorization " closed loop states, grease in extracting tower,
Under the conditions of the penetrating of high vacuum and open steam, free fatty evaporation, as vapor is taken away by vacuum system together,
Grease after a depickling is cooled by the conveying of canned motor pump I into exchanger heat oil-piping, then again by dissipating
Hot device further cools, and is down to 180~200 DEG C of deodorization temperature, into deodorizing tank, the grease in deodorizing tank in high vacuum and
Under conditions of open steam is sprayed into, malodor molecules volatilization is taken away with vapor by vacuum system.So through circulating for several times
Afterwards, untill the acid number of the batch grease entirely reaches standard, circulating valve is closed, outlet valve is opened, will into open loop situations
The grease that deacid-deodoring is finished is released by discharging opening.
Such scheme is to separate the physical deacidification of small lot, high acid value, thermally labile grease with deodorising process, in vacuum
Under the conditions of, depickling uses relatively low temperature and longer time using higher temperature and shorter time, deodorization；For small quantities of
The characteristics of amount, by batch in units of, alternately " depickling-deodorization " process by the way of interior circulation；During the depickling circulated every time
Between be 6 minutes（It is 6 minutes that i.e. grease trickles to the time of bottom of towe from extracting tower tower top）, 240~260 DEG C of depickling temperature；Every time
The deodorization time of circulation is 30 minutes（Average flowing-through extracting tower is once in 30 minutes for grease i.e. in deodorizing tank）, deodorization temperature
For 180~200 DEG C；The vacuum of depickling and deodorization is 100~250Pa of absolute pressure；The height of based on crude initial acid value, enters
1~3 " depickling-deodorization " inner cyclic process of row, untill the acid number of grease reaches standard.Such scheme can use heat exchange
Mode, depickling oil deodorised oil between heat-shift, maintain depickling with deodorization the temperature difference, reduce energy consumption.
The depickling that the utility model breaks traditions is carried out at the same temperature with deodorization, and physical deacidification is separated with deodorization：
Depickling uses higher temperature（240~260 DEG C）With the shorter time；Deodorization uses relatively low temperature（180~200 DEG C）With compared with
The long time.For small lot, the crude oil of high acid value, a physics " depickling-deodorization " is difficult to reach requirement, therefore this practicality is new
Type by batch in units of, using " depickling-deodorization "-" depickling-deodorization "-... by the way of inner loop alternately depickling with deodorization
1~3 time, untill acid number reaches requirement.When carrying out " depickling-deodorization " interior circulation, using oily oil heat exchanger, by temperature compared with
The heat of high depickling oil gives the relatively low deodorised oil of temperature, energy-saving.
The beneficial effects of the utility model are：The utility model is suitable for high acid value, the small lot of thermally labile grease
Refining.It is advantageous that：
1. the high temperature depickling of short time is used, preferable deacidification effect is obtained while fatty acid isomerization is controlled.
2. it is deodorized for a long time using low temperature, preferable deodorising effect is obtained while fatty acid isomerization is controlled.
3. to the circulation with a collection of grease progress " depickling-deodorization ", the oil and fat refining of small kind is adapted to, it can be ensured that by height
The acid number of acid number crude oil is dropped within critical field, while controlling the cost of refining equipment.
4. " depickling-deodorization " circulation is carried out by the way of oily heat exchange to the grease in batch, it is energy-saving.
The utility model can contain the isomerization aliphatic acid of thermally labile grease during physical refining deacidification is carried out
Amount control exists《The national food safety standard prepackaged food nutritional labeling general rules of GB 28050》Defined " 0 " boundary value（≤
0.3g/100g）Below.The device refining effect is good, energy consumption and production cost are low, moreover it is possible to which small lot is produced, and is particularly suitable for peracid
Value, the physical refining of the small kind grease of thermally labile.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model device.
Embodiment
The utility model is described further with reference to embodiment.
Embodiment 1
Treat deacid-deodoring grease for a collection of 2 tons by pretreatment（Degumming is with decolourizing）High acid value（Acid number 25mgKOH/
100g）, thermally labile（Linolenic acid content 20%）Seeds of rubber tree oil.
Using following device：As illustrated, the device of high acid value, thermally labile grease physical deacidification deodorization includes extracting tower
3rd, deodorizing tank 10, heater 1, radiator 12 and heat exchanger 2, the feed pipe of the extracting tower 3 are provided with and the cold oil of heat exchanger 2
The heater 1 of connection is exported, the discharge pipe of extracting tower 3 is connected by circulating valve 6 with the deep fat entrance of heat exchanger 2；The deodorization
The feed pipe of tank 10 is provided with the radiator 12 being connected with the hot oil outlet of heat exchanger 2, the discharge pipe of deodorizing tank 10 and heat exchange
The cold oil entrance of device 2 is connected.
The extracting tower 3 is provided with vapor import, and is controlled by vapor valve I 8, and deodorizing tank 10 enters provided with vapor
Mouthful, and controlled by vapor valve II 11；The top of extracting tower 3 is provided with the bleeding point I 16 being connected with pumped vacuum systems, and deodorizing tank 10 is pushed up
Portion is provided with the bleeding point II 9 being connected with pumped vacuum systems；It is additionally provided with the discharge pipe of extracting tower 3 by going out that outlet valve 5 is controlled
The charging aperture 15 controlled by inlet valve 14 is additionally provided with material mouth 4, the feed pipe of deodorizing tank 10；On the discharge pipe of extracting tower 3
Provided with canned motor pump I 7, the feed pipe of extracting tower 10 is provided with canned motor pump II 13.
When the device works, open canned motor pump I 7 and canned motor pump II 13, pressure opening circulating valve 6 closes outlet valve 5, open into
Expect valve 14 and vacuum system, the grease for treating deacid-deodoring is entered by charging aperture 15, enters depickling through heat exchanger 2, heater 1
Tower 3, enters back into deodorizing tank 10, due to being that under vacuum, grease forms circulate in a device, until this batch raw material
Charging is finished.Inlet valve 14 is closed, heater 1, radiator 12 is remained turned-off, and grease is gradually heated up, when deodorizing tank 10
When interior oil temperature rises to 200 DEG C, radiator 12 is opened, by the Oil-temperature control in deodorizing tank 10 at 200 DEG C, heater 1 continues to add
Heat, makes to enter in extracting tower 3 Oil-temperature control at 260 DEG C, vapor is passed through into extracting tower 3 and deodorizing tank 10.So far, the dress
Put into stable " depickling-deodorization " closed loop states, grease is in extracting tower 3, in high vacuum and the penetrating bar of open steam
Under part, free fatty evaporation, as vapor is taken away by vacuum system together, the grease after a depickling passes through shielding
The conveying of pump I 7, is cooled into the hot oil pipeline of heat exchanger 2, is then further cooled by radiator 12 again, is down to 200 DEG C
Deodorization temperature, into deodorizing tank 10, the grease in deodorizing tank 10 is smelly under conditions of high vacuum and open steam are sprayed into
Taste molecule volatilizees, and is taken away with vapor by vacuum system.So after circulating for several times, until the acid number of the batch grease is complete
Untill portion reaches standard, circulating valve 6 is closed, outlet valve 5 is opened, into open loop situations, the grease that deacid-deodoring is finished is passed through
Discharging opening 4 is released.
The device is circulated every time, residence time of the grease in extracting tower（Grease trickles to the bottom of towe time from tower top）For 6
Minute, residence time of the grease in deodorizing tank is 30 minutes（The transporting velocity of canned motor pump is 4000kg/h）, i.e., it is every 30 minutes
Grease averaging loop in device 1 time, by extracting tower 1 time.
In this operation, grease averaging loop 2 times in a device, heated time 12 minutes in 260 DEG C of extracting tower,
Mean residence time 60 minutes in 200 DEG C of deodorizing tank（Containing initial temperature-rise period）.Grease after deacid-deodoring is through actual measurement：Acid number
0.5mgKOH/100g, meets the acid number requirement of primary oil in company standard（≤1mgKOH/100g）；The aliphatic acid of isomerization contains
Measure as 0.17g/100g, satisfaction《The national food safety standard prepackaged food nutritional labeling general rules of GB 28050》Defined " 0 "
Boundary value（≤0.3g/100g）Below.The grease free from extraneous odour, every organoleptic indicator is good.
Embodiment 2
Treat deacid-deodoring grease for a collection of 2 tons by pretreatment（Degumming is with decolourizing）High acid value（Acid number 45mgKOH/
100g）, thermally labile（Linolenic acid content 20%）Seeds of rubber tree oil.
The device of be the same as Example 1, only by extracting tower temperature control at 240 DEG C, deodorizing tank temperature control is at 180 DEG C.
In this operation, grease averaging loop 2 times in a device, heated time 12 minutes in 240 DEG C of extracting tower,
Mean residence time 60 minutes in 180 DEG C of deodorizing tank（Containing initial temperature-rise period）.Grease after deacid-deodoring is through actual measurement：Acid number
0.7mgKOH/100g, meets the acid number requirement of primary oil in company standard（≤1mgKOH/100g）；The aliphatic acid of isomerization contains
Measure as 0.22g/100g, satisfaction《The national food safety standard prepackaged food nutritional labeling general rules of GB 28050》Defined " 0 "
Boundary value（≤0.3g/100g）Below.The grease free from extraneous odour, every organoleptic indicator is good.
Embodiment 3
Treat deacid-deodoring grease for a collection of 2 tons by pretreatment（Degumming is with decolourizing）High acid value（Acid number 18mgKOH/
100g）, thermally labile（Linolenic acid content 42%）Oil and fat of sacha inchi.
The device of be the same as Example 1, only by extracting tower temperature control at 240 DEG C, deodorizing tank temperature control is at 180 DEG C.
In this operation, grease averaging loop 2 times in a device, heated time 12 minutes in 240 DEG C of extracting tower,
Mean residence time 60 minutes in 180 DEG C of deodorizing tank（Containing initial temperature-rise period）.Grease after deacid-deodoring is through actual measurement：Acid number
0.8mgKOH/100g, meets the acid number requirement in company standard（≤3mgKOH/100g）；The content of fatty acid of isomerization is
0.25g/100g, meets《The national food safety standard prepackaged food nutritional labeling general rules of GB 28050》Defined " 0 " boundary
Value（≤0.3g/100g）Below.The grease free from extraneous odour, every organoleptic indicator is good.
Embodiment 4
Treat deacid-deodoring grease for a collection of 2 tons by pretreatment（Degumming is with decolourizing）High acid value（Acid number 40mgKOH/
100g）, thermally labile（Linoleic acid content 75%）Safflower seed oil.
The device of be the same as Example 1, only by extracting tower temperature control at 250 DEG C, deodorizing tank temperature control is at 190 DEG C.
In this operation, grease averaging loop 3 times in a device, heated time 18 minutes in 250 DEG C of extracting tower,
Mean residence time 90 minutes in 190 DEG C of deodorizing tank（Containing initial temperature-rise period）.Grease after deacid-deodoring is through actual measurement：Acid number
0.4mgKOH/100g, meets《GB/T 22465-2008 safflower seed oils》The acid number requirement of primary oil in national standard（≤
0.5mgKOH/100g）；The content of fatty acid of isomerization is 0.11g/100g, is met《The national food safety standard of GB 28050
Prepackaged food nutritional labeling general rule》Defined " 0 " boundary value（≤0.3g/100g）Below.The grease free from extraneous odour, every sense organ
Index is good.
Embodiment 5
Treat deacid-deodoring grease for a collection of 2 tons by pretreatment（Degumming is with decolourizing）High acid value（Acid number 15mgKOH/
100g）, thermally labile（Linolenic acid content 51%）Linseed oil.
The device of be the same as Example 1, only by extracting tower temperature control at 240 DEG C, deodorizing tank temperature control is at 190 DEG C.
In this operation, grease averaging loop 1 time in a device, heated time 6 minutes in 240 DEG C of extracting tower,
Mean residence time 30 minutes in 190 DEG C of deodorizing tank（Containing initial temperature-rise period）.Grease after deacid-deodoring is through actual measurement：Acid number
0.6mgKOH/100g, meets《GB/T 8235-2008 linseed oil》The acid number requirement of primary oil in national standard（≤
1mgKOH/100g）；The content of fatty acid of isomerization is 0.24g/100g, is met《The national food safety standard of GB 28050 is pre-
Packaged food nutritional labeling general rule》Defined " 0 " boundary value（≤0.3g/100g）Below.The grease free from extraneous odour, every sense organ refers to
Mark is good.
Embodiment 6
Treat deacid-deodoring grease for a collection of 2 tons by pretreatment（Degumming is with decolourizing）High acid value（Acid number 12mgKOH/
100g）, thermally labile（DHA content 20%, EPA content 5%）Tunny fish oil.
The device of be the same as Example 1, only by extracting tower temperature control at 240 DEG C, deodorizing tank temperature control is at 200 DEG C.
In this operation, grease averaging loop 1 time in a device, heated time 6 minutes in 240 DEG C of extracting tower,
Mean residence time 30 minutes in 200 DEG C of deodorizing tank（Containing initial temperature-rise period）.Grease after deacid-deodoring is through actual measurement：Acid number
0.6mgKOH/100g, meets《SCT 3502-2000 Fish oils》The acid number requirement of primary oil in professional standard（≤1mgKOH/
100g）；The content of fatty acid of isomerization is 0.28g/100g, is met《The national food safety standard prepackaged foods of GB 28050
Nutritional labeling general rule》Defined " 0 " boundary value（≤0.3g/100g）Below.The grease is without fishlike smell and other peculiar smell, items sense
Official's index is good.
Embodiment 7
Treat deacid-deodoring grease for a collection of 2 tons by pretreatment（Degumming is with decolourizing）High acid value（Acid number 27mgKOH/
100g）, thermally labile（Linolenic acid content 10%, linoleic acid content 61%）Tunny fish oil.
The device of be the same as Example 1, only by extracting tower temperature control at 240 DEG C, deodorizing tank temperature control is at 180 DEG C.
In this operation, grease averaging loop 2 times in a device, heated time 12 minutes in 240 DEG C of extracting tower,
Mean residence time 60 minutes in 180 DEG C of deodorizing tank（Containing initial temperature-rise period）.Grease after deacid-deodoring is through actual measurement：Acid number
0.4mgKOH/100g, meets《GB/T 22327-2008 walnut oils》The acid number requirement of primary oil in national standard（≤
0.6mgKOH/100g）；The content of fatty acid of isomerization is 0.14g/100g, is met《The national food safety standard of GB 28050
Prepackaged food nutritional labeling general rule》Defined " 0 " boundary value（≤0.3g/100g）Below.The grease free from extraneous odour, every sense organ
Index is good.
Claims (9)
1. the device of a kind of high acid value, thermally labile grease physical deacidification deodorization, it is characterised in that：Including extracting tower, deodorizing tank,
Heater, radiator and heat exchanger, the feed pipe of the extracting tower is provided with exports the heater being connected with heat exchanger cold oil,
The discharge pipe of extracting tower is connected by circulating valve with exchanger heat oil-in；The feed pipe of the deodorizing tank is provided with changing
The radiator of hot device hot oil outlet connection, the discharge pipe of deodorizing tank is connected with heat exchanger cold oil entrance.
2. device according to claim 1, it is characterised in that：The extracting tower is provided with vapor import, and is steamed by water
Air valve I is controlled.
3. device according to claim 1, it is characterised in that：The deodorizing tank is provided with vapor import, and is steamed by water
Air valve II is controlled.
4. device according to claim 1, it is characterised in that：It is provided with what is be connected with pumped vacuum systems at the top of the extracting tower
Bleeding point I.
5. device according to claim 1, it is characterised in that：It is provided with what is be connected with pumped vacuum systems at the top of the deodorizing tank
Bleeding point II.
6. device according to claim 1, it is characterised in that：It is additionally provided with the discharge pipe of the extracting tower by outlet valve
The discharging opening of control.
7. device according to claim 1, it is characterised in that：It is additionally provided with the feed pipe of the deodorizing tank by inlet valve
The charging aperture of control.
8. device according to claim 1, it is characterised in that：The discharge pipe of the extracting tower is provided with canned motor pump I.
9. device according to claim 1, it is characterised in that：The feed pipe of the extracting tower is provided with canned motor pump II.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018145332A1 (en) * | 2017-02-07 | 2018-08-16 | 西双版纳华坤生物科技有限责任公司 | Method and device for physical deacidification and deodorization of high acid-value, thermally unstable oil |
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2017
- 2017-02-07 CN CN201720112950.2U patent/CN206447855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018145332A1 (en) * | 2017-02-07 | 2018-08-16 | 西双版纳华坤生物科技有限责任公司 | Method and device for physical deacidification and deodorization of high acid-value, thermally unstable oil |
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