CN206799567U - Reduce the supercritical carbon dioxide extraction apparatus of extract acid value - Google Patents
Reduce the supercritical carbon dioxide extraction apparatus of extract acid value Download PDFInfo
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- CN206799567U CN206799567U CN201720451393.7U CN201720451393U CN206799567U CN 206799567 U CN206799567 U CN 206799567U CN 201720451393 U CN201720451393 U CN 201720451393U CN 206799567 U CN206799567 U CN 206799567U
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- 239000002253 acid Substances 0.000 title claims abstract description 31
- 238000003815 supercritical carbon dioxide extraction Methods 0.000 title claims abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 49
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 49
- 238000003860 storage Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000011344 liquid material Substances 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract description 12
- 230000001603 reducing effect Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000005057 refrigeration Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 239000004519 grease Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 239000000341 volatile oil Substances 0.000 description 6
- 238000009874 alkali refining Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- 239000000344 soap Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003925 fat Substances 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007127 saponification reaction Methods 0.000 description 3
- 241000949456 Zanthoxylum Species 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 206010012735 Diarrhoea Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 206010067125 Liver injury Diseases 0.000 description 1
- 235000007265 Myrrhis odorata Nutrition 0.000 description 1
- 235000019483 Peanut oil Nutrition 0.000 description 1
- 240000004760 Pimpinella anisum Species 0.000 description 1
- 235000012550 Pimpinella anisum Nutrition 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 244000089698 Zanthoxylum simulans Species 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000021588 free fatty acids Nutrition 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000312 peanut oil Substances 0.000 description 1
- 229940116257 pepper extract Drugs 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 238000000194 supercritical-fluid extraction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Extraction Or Liquid Replacement (AREA)
Abstract
The utility model provides a kind of supercritical carbon dioxide extraction apparatus for reducing extract acid value, including carbon dioxide storage tank, high pressure reciprocating pump, liquid material supplementary device, jacket type extractor, tube still heater, jacket type rectifying column and jacket type knockout drum；The carbon dioxide outlet of the carbon dioxide storage tank connects by the high pressure reciprocating pump with the carbon dioxide entrance of the extraction pot bottom, extract outlet at the top of the extractor connects with the extract entrance at the top of the heater, the extract outlet of the heater lower end connects with the extract entrance of the rectifier bottoms, extract outlet at the top of the rectifying column connects with the extract entrance of the knockout drum upper side, and the material outlet of the liquid material supplementary device connects with the material inlet of the extraction pot bottom.Using device of the present utility model, output capacity can be improved on the basis of extract acid value is effectively reduced.
Description
Technical field
A kind of supercritical extraction unit is the utility model is related to, the overcritical of extract acid value is reduced more particularly to a kind of
Carbon dioxide extraction apparatus.
Background technology
Acid value is the mark of free fatty acid content in grease, especially in edible oil such as peanut oil, soybean oil product
It is an important indicator for weighing crude oil and essential oil quality.Under conditions of grease production, acid value can be as the finger of hydrolysis degree
Mark, then can be as the index become sour under conditions of its preservation.Acid value is smaller, illustrates that oil quality is better, freshness and refining
Degree is better.The size of acid value of lipids depends on quality, the immature property, the destructive of seed etc. of seed of oil plant, especially exists
Under the conditions of high-moisture, it is very unfavorable that grease is preserved, such that free acid content raises, and reduces the quality of grease,
Deteriorate the edible quality of grease.In general, acid value and peroxide value, which slightly have, raises and the health of human body will not be produced
Infringement.But if acid value is too high, then it can cause human body digestive discomfort, diarrhoea and damage liver.
In the prior art, it is in oil and fat refining production to use alkali refining method depickling more, i.e., caustic soda is determined according to the acid value of grease
Addition, the soda soap insoluble in oil is formed using the saponification before both, gone afterwards by the methods of centrifugal filtration, washing
Except saponified, qualified grease is finally obtained.Method reduction acid value effect is good, can be suitable for the refining of various greases, in depickling
During can also adsorb other impurity and form soap stocks and separated with grease, have depickling, degumming, it is de- it is solid it is miscellaneous, the comprehensive work such as decolourize
With.But the method has many drawbacks simultaneously：In alkali refining process, entrained oil in neutral oil saponification and soap stock, refining loss is caused
It is higher；Alkali is consumed, is washed after alkali refining and produces contaminated wastewater environment；Consume adjuvant, from byproduct soap stock reclaim aliphatic acid when, it is necessary to
By the processing link of complexity；When being particularly used for the refining of high acid value crude oil, grease practices consumption greatly, and economic effect is not good enough.
For the higher crop of price such as Chinese prickly ash, anise, a certain amount of fats can be also contained in its extract
Composition, if raw material or finished product preserve improper, the problem of Acid value over national standard can equally occur.Because such extract is mostly that composition is answered
Miscellaneous mixture, some functional components therein are in the basic conditions and unstable, according to alkali refining method depickling, easily cause and carry
Take the reduction of active constituent content in thing；Method meeting absorbed portion product in saponification process, loss are excessive simultaneously.Therefore, it is right
For the high extract product of such price, the depickling of alkali refining method does not apply to simultaneously.
Utility model content
In order to solve the above problems, the utility model proposes a kind of supercritical carbon dioxide extracting for reducing extract acid value
The technical scheme of device, and be achieved through the following technical solutions.
The utility model provides a kind of supercritical carbon dioxide extraction apparatus for reducing extract acid value, including carbon dioxide
Storage tank, high pressure reciprocating pump, liquid material supplementary device, jacket type extractor, tube still heater, jacket type rectifying column and
Jacket type knockout drum；The carbon dioxide outlet of the carbon dioxide storage tank is by the high pressure reciprocating pump and the extraction pot bottom
The connection of carbon dioxide entrance, the extract outlet at the top of the extractor connects with the extract entrance at the top of the heater
Logical, the extract outlet of the heater lower end connects with the extract entrance of the rectifier bottoms, at the top of the rectifying column
Extract outlet connected with the extract entrance of the knockout drum upper side, the material of the liquid material supplementary device goes out
Mouth connects with the material inlet of the extraction pot bottom.
The extractor, heater, rectifying column, knockout drum are jacket type structure, the interlayer between its exocoel and inner chamber
Negotiable steam, the negotiable material in inner chamber and solvent.The rectifying column is preferably three-level rectifying column.
Compared with prior art, following beneficial effect can be reached using device of the present utility model：
1st, the acid value of CO 2 reduction extract is utilized merely, does not add other materials such as caustic soda, and entirely produced
Journey is carried out under conditions of isolation air, low temperature, is avoided the destruction of active principle in extract, is remained carry to greatest extent
Take the active ingredient of thing；
2nd, acid value reducing effect is good, can be down to below 1.0mgKOH/g；
3rd, product extracting rate is high, and the proportion of goods damageds can be controlled within 2%, go for most part liquid material；
4th, production process energy-conserving and environment-protective, the pollution such as waste water will not be produced；
5th, liquid material supplementary device is introduced, can be with continuous processing material, without extractor loading and unloading of starting discharging, production efficiency
Greatly improve.
The utility model can also further optimize by the following technical programs.
Preferably, the supercritical carbon dioxide extraction apparatus of the present utility model for reducing extract acid value also includes refrigeration machine
Group and shell and tube condenser；The carbon dioxide storage tank is jacket type structure；The chilled water outlet of the refrigeration unit and institute
State the chilled water outlet of the chilled water inlet connection of condenser, the chilled water outlet of the condenser and/or the refrigeration unit
Connected with the chilled water inlet of the carbon dioxide storage tank, liquid carbon dioxide outlet and the carbon dioxide of the condenser
The carbon dioxide entrance of storage tank connects, and the carbon dioxide entrance of the gas vent at the top of the knockout drum and the condenser connects
It is logical.Thus, recycling for carbon dioxide can be achieved.
Preferably, the liquid material supplementary device includes slippage pump, check valve and material storage tank；The material storage
The outlet of tank connects with the entrance of the slippage pump, and the outlet of the slippage pump passes through the check valve and the extraction pot bottom
Material inlet connection.By material injecting material storage tank to be extracted, slippage pump is by the material to be extracted in material storage tank via list
It is pumped into valve in extractor.Charging process need not be started discharging extractor, in this way, can quick continuous processing material to be extracted, it is raw
Production efficiency greatly improves.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the utility model.
Marked in figure：1- high pressure reciprocating pumps；2- carbon dioxide storage tanks；3- condensers；4- refrigeration units；5- liquid materials are mended
Fill and put；6- extractors；7- heaters；8- rectifying columns；9- knockout drums.
Embodiment
The utility model is further detailed with reference to the accompanying drawings and detailed description.
Embodiment one：
As shown in figure 1, the supercritical carbon dioxide extraction apparatus of the reduction extract acid value of the present embodiment, including refrigeration machine
Group 4, shell and tube condenser 3, jacket type carbon dioxide storage tank 2, high pressure reciprocating pump 1, liquid material supplementary device 5, jacket type extraction
Take tank 6, tube still heater 7, jacket type rectifying column 8 and jacket type knockout drum 9.The liquid material supplementary device 5 includes
Slippage pump, check valve and material storage tank.The rectifying column 8 is three-level rectifying column.
The chilled water outlet of the refrigeration unit 4 connects with the chilled water inlet of the condenser 3, the condenser 3
Chilled water outlet connects with the chilled water inlet of the carbon dioxide storage tank 2, the outlet of the liquid carbon dioxide of the condenser 3 with
The carbon dioxide entrance connection of the carbon dioxide storage tank 2, the carbon dioxide outlet of the carbon dioxide storage tank 2 pass through the height
Pressure reciprocating pump 1 connects with the carbon dioxide entrance of the bottom of extractor 6, the extract outlet at the top of extractor 6 and institute
State the extract entrance connection at the top of heater 7, extract outlet and the bottom of rectifying column 8 of the lower end of heater 7
Extract entrance connects, and the extract outlet at the top of rectifying column 8 and the extract entrance of the upper side of knockout drum 9 connect
Logical, the gas vent at the top of knockout drum 9 connects with the carbon dioxide entrance of the condenser 3.The material storage tank goes out
Mouth connects with the entrance of the slippage pump, and the outlet of the slippage pump passes through the check valve and the thing of the bottom of extractor 6
Expect entrance connection.
It is as follows using step by taking Zanthoxylum essential oil as an example：
A, the liquid carbon dioxide in carbon dioxide storage tank 2 is extracted out with high pressure reciprocating pump 1 and squeezed into extractor 6, use liquid
Body material supplementary device 5 squeezes into 50Kg Zanthoxylum essential oils in extractor 6, by extracting pressure, temperature adjustment to 16-18Mpa, 42-44
DEG C, extract 6h；
B, in extraction process, the carbon dioxide that extractor 6 is come out imports heating in heater 7；
C, the carbon dioxide after the heating for coming out heater 7 is imported in rectifying column 8, by rectifying pressure, temperature adjustment extremely
12.5-14Mpa, 46-49 DEG C, rectifying to extraction terminate；
D, in distillation process, carbon dioxide, light component essential oil that rectifying column 8 is come out import knockout drum 9, and separation is pressed
Power, temperature adjustment to 5-6Mpa, 35-40 DEG C, separate to rectifying and terminate；
E, heavy constituent material is collected from the lower end drain hole of extractor 6, free-fat is collected from 8 drain hole at different levels of rectifying column
Acid, essential oil is collected from the lower end drain hole of knockout drum 9.9 drain hole at different levels of three-level rectifying column collects the free fatty isolated altogether
0.8kg, extract heavy constituent material 26.7kg is released by the lower end drain hole of extractor 6, the lower end of knockout drum 9 obtains essential oil
22.4kg, both obtain 49.1kg altogether after mixing reduce the pepper extract after acid value, product extracting rate 98.2%；Product acid value by
The 9.4mgKOH/g of before processing is down to 0.87mgKOH/g, and acid value reducing effect is good.
F, the gaseous carbon dioxide for coming out knockout drum 9 is imported in condenser 3 outside tubulation；It will be circulated with refrigeration unit 4
Water cooling is frozen, and the freeze cycle water is imported inside the tubulation of condenser 3, will be cold with the freeze cycle water inside the tubulation of condenser 3
Atmospheric carbon dioxide cooling outside the tubulation of condenser 3 is condensed to liquid；
G, the obtained inner chamber of liquid carbon dioxide introducing carbon dioxide storage tank 2 will be condensed, the freeze cycle water is imported
In interlayer between the inner chamber of carbon dioxide storage tank 2 and exocoel, with the freezing between the inner chamber of carbon dioxide storage tank 2 and exocoel in interlayer
The temperature of the liquid carbon dioxide of intracavitary in carbon dioxide storage tank 2 is maintained at 10 ~ 15 DEG C by recirculated water.
H, after extraction terminates, extractor 6 of not starting discharging, liquid material supplementary device 5 is directly used by next group material to be extracted
Squeeze into extractor 6.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change is applied to other fields, but every without departing from the content of the technical scheme of the utility model, according to this reality
Any simple modification, equivalent variations and the remodeling made with new technical spirit to above example, it is new to still fall within this practicality
The protection domain of type technical scheme.
Claims (4)
- A kind of 1. supercritical carbon dioxide extraction apparatus for reducing extract acid value, it is characterised in that：Including carbon dioxide storage tank, High pressure reciprocating pump, liquid material supplementary device, jacket type extractor, tube still heater, jacket type rectifying column and jacket type Knockout drum；The carbon dioxide outlet of the carbon dioxide storage tank is by the high pressure reciprocating pump and the titanium dioxide for extracting pot bottom Carbon entrance connects, and the extract outlet at the top of the extractor connects with the extract entrance at the top of the heater, described to add The extract outlet of hot device lower end connects with the extract entrance of the rectifier bottoms, and the extract at the top of the rectifying column goes out Mouth connects with the extract entrance of the knockout drum upper side, material outlet and the extraction of the liquid material supplementary device The material inlet of pot bottom is taken to connect.
- A kind of 2. supercritical carbon dioxide extraction apparatus as claimed in claim 1 for reducing extract acid value, it is characterised in that： Also include refrigeration unit and shell and tube condenser；The carbon dioxide storage tank is jacket type structure；The chilled water outlet of the refrigeration unit connects with the chilled water inlet of the condenser, and the chilled water of the condenser goes out Mouth and/or the chilled water outlet of the refrigeration unit connect with the chilled water inlet of the carbon dioxide storage tank, the condenser Liquid carbon dioxide outlet connected with the carbon dioxide entrance of the carbon dioxide storage tank, the gas at the top of the knockout drum goes out Mouth connects with the carbon dioxide entrance of the condenser.
- A kind of 3. supercritical carbon dioxide extraction apparatus as claimed in claim 1 for reducing extract acid value, it is characterised in that： The liquid material supplementary device includes slippage pump, check valve and material storage tank；The outlet of the material storage tank and the benefit The entrance connection of oil pump, the outlet of the slippage pump are connected by the check valve with the material inlet of the extraction pot bottom.
- 4. a kind of supercritical carbon dioxide extraction apparatus of reduction extract acid value as described in any one of claim 1 ~ 3, its It is characterised by：The rectifying column is three-level rectifying column.
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| CN201720451393.7U CN206799567U (en) | 2017-04-27 | 2017-04-27 | Reduce the supercritical carbon dioxide extraction apparatus of extract acid value |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107057858A (en) * | 2017-04-27 | 2017-08-18 | 青岛利和萃取股份有限公司 | Reduce the supercritical carbon dioxide method for extracting and device of extract acid value |
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2017
- 2017-04-27 CN CN201720451393.7U patent/CN206799567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107057858A (en) * | 2017-04-27 | 2017-08-18 | 青岛利和萃取股份有限公司 | Reduce the supercritical carbon dioxide method for extracting and device of extract acid value |
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