CN114517130A - Extraction device for extracting wax and extraction method of wax - Google Patents
Extraction device for extracting wax and extraction method of wax Download PDFInfo
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- CN114517130A CN114517130A CN202210215698.3A CN202210215698A CN114517130A CN 114517130 A CN114517130 A CN 114517130A CN 202210215698 A CN202210215698 A CN 202210215698A CN 114517130 A CN114517130 A CN 114517130A
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- mixing tank
- wax
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- tank
- pipeline
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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
- C11B11/00—Recovery or refining of other fatty substances, e.g. lanolin or waxes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention provides an extraction device and an extraction method for extracting wax, which comprise the following steps: the first mixing tank is provided with a first feeding hole and a first discharging hole and is used for containing wax paste; the first solvent storage tank is communicated with the first mixing tank through a first pipeline and is used for providing a first solvent into the first mixing tank; the second mixing tank is provided with a second feeding hole and a second discharging hole, and the second feeding hole is connected with the first discharging hole through a second pipeline so as to communicate the first mixing tank with the second mixing tank; the second solvent storage tank is communicated with the second mixing tank through a third pipeline and is used for providing a second solvent for the second mixing tank; the first filter is arranged on the second pipeline and used for filtering the material flowing out of the first mixing tank; and the second filter is connected with the second mixing tank through a fourth pipeline and used for filtering the material flowing out of the second mixing tank to obtain the wax. The device can realize the extraction of wax in the wax paste, improves the value of utilization of edible oil industry chain.
Description
Technical Field
The invention relates to the technical field of wax paste treatment, in particular to an extraction device and an extraction method for wax.
Background
The wax paste of the sunflower seed oil contains aliphatic ester formed by esterification of long-carbon chain fatty acid and long-carbon chain fatty alcohol, and also contains a small amount of free fatty acid and free fatty alcohol, wherein the application prospect of octacosanol which is an even number carbon ester of a high-order carbon chain is wide.
At present, the by-product is not well utilized, which causes waste of raw materials.
Disclosure of Invention
In view of this, the present invention provides an extraction apparatus and an extraction method for extracting wax, which can further purify a wax paste, which is a byproduct generated in an oil production process, to obtain a wax containing octacosanol, so as to improve the value of a whole industrial chain of practical oil and the utilization rate of the byproduct.
In order to solve the technical problems, the invention provides an extraction device for extracting wax.
An extraction device for extracting wax according to an embodiment of the present invention includes:
The wax paste mixing device comprises a first mixing tank, a second mixing tank and a wax paste outlet, wherein the first mixing tank is provided with a first feeding hole and a first discharging hole and is used for containing wax paste;
the first solvent storage tank is communicated with the first mixing tank through a first pipeline and is used for providing a first solvent into the first mixing tank;
the second mixing tank is provided with a second feeding hole and a second discharging hole, and the second feeding hole is connected with the first discharging hole through a second pipeline so as to communicate the first mixing tank with the second mixing tank;
the second solvent storage tank is communicated with the second mixing tank through a third pipeline and is used for providing a second solvent for the second mixing tank;
the first filter is arranged on the second pipeline and used for filtering the material flowing out of the first mixing tank;
and the second filter is connected with the second mixing tank through a fourth pipeline and used for filtering the material flowing out of the second mixing tank to obtain the wax.
According to an embodiment of the first aspect of the present invention, the extraction device for extracting wax further comprises a solvent recovery tank in communication with the second mixing tank through a fourth line.
According to one embodiment of the first aspect of the present invention, the tank walls of the first mixing tank, the second solvent storage tank and the second mixing tank are provided with heat insulating interlayers.
According to an embodiment of the first aspect of the invention, the extraction device for extracting wax further comprises:
the first rotor pump is connected with the second pipeline, is positioned between the first discharge port and the first filter and is used for conveying the materials in the first mixing tank to the second mixing tank;
and the second rotor pump is connected with the fourth pipeline, is positioned between the second discharge port and the second receiver and is used for conveying the solvent to be recovered to the solvent recovery tank.
According to an embodiment of the first aspect of the invention, the extraction device for extracting wax further comprises:
the first stripping pump is connected with the first pipeline and used for conveying the solvent in the first solvent tank to the first mixing tank;
and the second stripping pump is connected with the third pipeline and is used for conveying the solvent in the second solvent tank to the first mixing tank.
According to an embodiment of the first aspect of the present invention, the first pipeline is provided with a first meter, and the second pipeline is provided with a second meter.
According to an embodiment of the first aspect of the invention, the first mixer tank is internally provided with a first stirrer and the second mixer tank is internally provided with a second stirrer.
In a second aspect, the present invention also discloses a method for extracting wax, which is applied to the extraction device for extracting wax in the embodiment of the first aspect, and the method includes:
Putting the wax paste to be extracted into a first mixing tank, conveying the first solvent in a first solvent storage tank into the first mixing tank, and uniformly mixing to obtain a first mixed solution;
coarsely filtering the first mixture through a first filter, and conveying the filtered mixed solution into a second mixing tank;
conveying the second solvent in the second solvent storage tank to a second mixing tank, mixing again, and cooling to obtain a mixed solution for separating out the wax;
and conveying the cooled mixed liquid containing the wax to a second filter, and filtering to obtain the wax.
According to one embodiment of the second aspect of the invention, the wax paste to be extracted is a byproduct containing octacosanol produced after the sunflower oil has been dewaxed when it is produced.
According to one embodiment of the second aspect of the present invention, the first solvent is n-hexane and the second solvent is glacial acetone.
The technical scheme of the invention has the following beneficial effects:
according to the extraction device for extracting the wax, the wax paste which is the sunflower seed oil byproduct can be extracted, filtered, re-extracted and cooled to obtain the wax through the plate filter, the structure is simple, and the wax in the wax paste can be conveniently extracted. In addition, the wax extraction method provided by the embodiment of the invention is convenient and rapid, the wax paste can be continuously prepared in the sunflower seed oil dewaxing process, the melting point of the obtained wax is 75-78 ℃, and the wax contains octacosanol high-digit carbon chains, so that the value of the whole industrial chain of the sunflower seed oil and the utilization rate of byproducts are effectively improved.
Drawings
Fig. 1 is a schematic view of the structure of an extraction device for extracting wax according to the present invention.
Reference numerals are as follows:
an extraction device 100 for extracting wax;
a first mixing tank 10; a first feed port 11; a first discharge port 12; a first pipe 13; a second pipe 14; a first rotor pump 15; a hopper 16; a first stirrer 17;
a first solvent storage tank 20, a first stripping pump 21; a first meter 22;
a second mixing tank 20; the second feed port 21; a second discharge port 22; a third pipeline 23; a fourth line 24; a heat-insulating interlayer 25; a temperature reducing assembly 26; a second rotor pump 27; a second stirrer 28;
a second solvent storage tank 30; a second stripping pump 31; a second meter 32;
a first filter 40;
a second filter 50;
a solvent recovery tank 60.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
The wax content in the sunflower seed crude oil prepared from the shell is high, the application prospect of the octacosanol which is an even number carbon ester with a high-order carbon chain in the wax paste is wide, and obvious economic benefit can be obtained if the wax containing the octacosanol high-order carbon chain is extracted. Thus, the present invention provides an extraction device for extracting wax.
First, an extraction apparatus 100 for extracting wax according to an embodiment of the present invention will be described in detail with reference to the drawings.
As shown in fig. 1, an extraction apparatus 100 for extracting wax according to an embodiment of the present invention includes a first mixing tank 10, a first solvent storage tank 20, a second mixing tank 20, a second solvent storage tank 30, a first filter 40, and a second filter 50.
Specifically, be equipped with first feed inlet 11 and first discharge gate 12 on the first blending tank 10 for hold the wax paste, wherein, first feed inlet 11 can be connected with hopper 16, conveniently adds the material. The wax paste may be a by-product of the process for producing sunflower seed oil, which is dewaxed. The first solvent storage tank 20 is communicated with the first mixing tank 10 through a first pipeline 13, and is used for providing a first solvent, which can be n-hexane, into the first mixing tank 10. The second mixing tank 20 is provided with a second feeding hole 21 and a second discharging hole 22, and the second feeding hole 21 is connected with the first discharging hole 12 through a second pipeline 14, so that the first mixing tank 10 is communicated with the second mixing tank 20. The second solvent storage tank 30 is communicated with the second mixing tank 20 through a third pipe 23 for supplying the second solvent, which may be glacial acetone, to the second mixing tank 20. A first filter 40 is provided on the second line 14 for filtering the material flowing from the first mixing tank 10. The second filter 50 is connected to the second mixing tank 20 via a fourth line 24 for filtering the material flowing out of the second mixing tank 20 to obtain the wax.
Namely, the device can be used for extracting and filtering the sunflower seed oil byproduct wax paste by normal hexane, extracting by using glacial acetone, cooling and obtaining the wax by a plate filter. The wax extraction device is simple in structure and convenient to operate, wax containing octacosanol in the wax paste can be extracted, and the value of the whole industrial chain of the sunflower seed oil and the utilization rate of byproducts are effectively improved.
As shown in fig. 1, the apparatus further includes a solvent recovery tank 60, and the solvent recovery tank 60 is communicated with the second mixing tank 20 through a fourth pipeline 24, so that the solvent can be recovered and pollution can be avoided.
According to one embodiment of the present invention, the first mixing tank 10, the second solvent storage tank 30 and the second mixing tank 20 are provided with heat-insulating interlayers 25 in the tank walls, wherein the heat-insulating interlayers 25 are used for insulating the wax paste in the mixing tanks. The second mixing tank 20 is further provided with a cooling component 26, wherein the cooling component 26 may be composed of a cooling pipe and a circulating pump arranged on the tank wall, and is used for cooling the mixture in the second mixing tank 20 at the end of the extraction time so as to separate out the wax.
According to an embodiment of the present invention, the extraction apparatus further comprises a first rotor pump 15 and a second rotor pump 27, the first rotor pump 15 is connected to the second pipeline 14 and located between the first discharge port 12 and the first filter 40, and is used for conveying the materials in the first mixing tank 10 to the second mixing tank 20; the second rotor pump 27 is connected to the fourth pipe 24 and is located between the second discharge port 22 and the second receiver, and is configured to supply the solvent to be recovered to the solvent recovery tank 60.
According to one embodiment of the invention, the extraction device further comprises a first stripping pump 21 and a second stripping pump 31. The first stripping pump 21 is connected with the first pipeline 13 and used for conveying the solvent in the first solvent tank to the first mixing tank 10, the second stripping pump 31 is connected with the third pipeline 23 and used for conveying the solvent in the second solvent tank to the first mixing tank 10, and mixed liquid is added through the air pump, so that the device is convenient and fast.
According to an embodiment of the present invention, a first meter 22 is disposed on the first pipe 13, and a second meter 32 is disposed on the second pipe 14, so that the solvent can be metered in.
According to an embodiment of the present invention, the first mixing tank 10 is internally provided with a first stirrer 17, and the second mixing tank 20 is internally provided with a second stirrer 28, so that the mixture is sufficiently mixed to facilitate extraction of the wax.
The invention also provides a wax extraction method, which is applied to the extraction device 100 for extracting wax, and the method comprises the following steps:
step 1, placing wax paste to be extracted into a first mixing tank 10, conveying a first solvent in a first solvent storage tank into the first mixing tank 10, and uniformly mixing to obtain a first mixed solution;
step 2, coarsely filtering the first mixture through a first filter 40, and conveying the filtered mixed solution into a second mixing tank 20;
Step 3, conveying the second solvent in the second solvent storage tank 30 into the second mixing tank 20, mixing again, and cooling to obtain a mixed solution of precipitated wax;
and 4, conveying the cooled mixed liquid containing the wax to a second filter 50, and filtering to obtain the wax.
According to one embodiment of the present invention, when the wax paste to be extracted is used for producing sunflower seed oil, a byproduct containing octacosanol is produced after the sunflower seed oil is dewaxed.
According to one embodiment of the invention, the first solvent is n-hexane and the second solvent is glacial acetone.
Therefore, the wax extraction method provided by the embodiment of the invention is convenient and rapid, the wax paste can be continuously prepared in the sunflower seed oil dewaxing process, the melting point of the obtained wax is 75-78 ℃, and the wax contains octacosanol high-digit carbon chains, so that the whole industrial chain value of the sunflower seed oil and the utilization rate of byproducts are effectively improved.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the invention as set forth in the appended claims.
Claims (10)
1. An extraction device for extracting wax, comprising:
the wax paste mixing device comprises a first mixing tank, a second mixing tank and a wax paste outlet, wherein the first mixing tank is provided with a first feeding hole and a first discharging hole and is used for containing wax paste;
the first solvent storage tank is communicated with the first mixing tank through a first pipeline and is used for providing a first solvent into the first mixing tank;
the second mixing tank is provided with a second feeding hole and a second discharging hole, and the second feeding hole is connected with the first discharging hole through a second pipeline so as to communicate the first mixing tank with the second mixing tank;
the second solvent storage tank is communicated with the second mixing tank through a third pipeline and is used for providing a second solvent for the second mixing tank;
the first filter is arranged on the second pipeline and used for filtering the material flowing out of the first mixing tank;
and the second filter is connected with the second mixing tank through a fourth pipeline and is used for filtering the material flowing out of the second mixing tank to obtain the wax.
2. The extraction apparatus for extracting wax as claimed in claim 1, further comprising a solvent recovery tank in communication with the second mixing tank through the fourth line.
3. The extraction apparatus for extracting wax as claimed in claim 1, wherein the first mixing tank, the second solvent storage tank and the second mixing tank are provided with heat insulating interlayers in the tank walls, and the second mixing tank is further provided with a cooling assembly.
4. The extraction device for extracting wax as claimed in claim 2, further comprising:
the first rotor pump is connected with the second pipeline, is positioned between the first discharge port and the first filter and is used for conveying the materials in the first mixing tank to the second mixing tank;
and the second rotor pump is connected with the fourth pipeline, is positioned between the second discharge port and the second receiver, and is used for conveying the solvent to be recovered to the solvent recovery tank.
5. The extraction device for extracting wax as claimed in claim 1, further comprising:
the first stripping pump is connected with the first pipeline and is used for conveying the solvent in the first solvent tank to the first mixing tank;
And the second stripping pump is connected with the third pipeline and is used for conveying the solvent in the second solvent tank to the first mixing tank.
6. The extraction apparatus as claimed in claim 1, wherein the first pipeline is provided with a first meter and the second pipeline is provided with a second meter.
7. The extraction apparatus for extracting wax as claimed in claim 6, wherein the first mixing tank is provided with a first agitator inside and the second mixing tank is provided with a second agitator inside.
8. A method for extracting wax, which is applied to the extraction device for extracting wax according to any one of claims 1 to 7, the method comprising:
placing the wax paste to be extracted into the first mixing tank, conveying the first solvent in the first solvent storage tank into the first mixing tank, and uniformly mixing to obtain a first mixed solution;
coarsely filtering the first mixture through a first filter, and conveying the filtered mixed solution into the second mixing tank;
conveying the second solvent in the second solvent storage tank to the second mixing tank, mixing again, and cooling to obtain a mixed solution of precipitated wax;
And conveying the cooled mixed liquid containing the wax to the second filter, and filtering to obtain the wax.
9. The method for extracting wax according to claim 8, wherein the wax paste to be extracted is a byproduct containing octacosanol produced after dewaxing sunflower seed oil in the production of sunflower seed oil.
10. The method of claim 8, wherein the first solvent is n-hexane and the second solvent is glacial acetone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210215698.3A CN114517130A (en) | 2022-03-07 | 2022-03-07 | Extraction device for extracting wax and extraction method of wax |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210215698.3A CN114517130A (en) | 2022-03-07 | 2022-03-07 | Extraction device for extracting wax and extraction method of wax |
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| CN114517130A true CN114517130A (en) | 2022-05-20 |
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| CN202210215698.3A Pending CN114517130A (en) | 2022-03-07 | 2022-03-07 | Extraction device for extracting wax and extraction method of wax |
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| CN216998325U (en) * | 2022-03-07 | 2022-07-19 | 佳格食品(中国)有限公司 | Extraction device for extracting wax |
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| US20060162721A1 (en) * | 2005-01-21 | 2006-07-27 | Rafael Almagro | Method for processing sugar cane filter cake mud and extracting component products |
| CN203545980U (en) * | 2013-11-02 | 2014-04-16 | 江西省天玉油脂有限公司 | Equipment for purifying and refining bran wax through wax paste |
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