CN113845980A - High-efficient volatile oil extraction equipment - Google Patents
High-efficient volatile oil extraction equipment Download PDFInfo
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- CN113845980A CN113845980A CN202111328806.XA CN202111328806A CN113845980A CN 113845980 A CN113845980 A CN 113845980A CN 202111328806 A CN202111328806 A CN 202111328806A CN 113845980 A CN113845980 A CN 113845980A
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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
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/025—Recovery by solvent extraction
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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
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/022—Refining
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Abstract
The invention discloses high-efficiency volatile oil extraction equipment, and belongs to the field of pharmaceutical and chemical equipment. Mainly constitute by extracting jar (1), condenser (2) and oil water separator (3), extract jar (1) and communicate with condenser (2) through steam delivery pipe (4), condenser (2) are through horn mouth (37) intercommunication that aromatic water conveyer pipe (5) and oil water separator (3) middle part set up. The invention has novel design, unique structure and convenient and fast operation, can simultaneously extract and separate light oil and heavy oil, can reduce emulsification and oxidative polymerization of the volatile oil to the maximum extent, improves the yield of the volatile oil, improves the quality of the volatile oil, and better meets the requirement of the drug production quality management standard while improving the production efficiency.
Description
Technical Field
The invention discloses high-efficiency volatile oil extraction equipment, which is suitable for extracting and separating volatile oil in traditional Chinese medicines, natural medicines and food raw materials, and belongs to the field of medicine and chemical equipment.
Background
The volatile oil is also called essential oil, essential oil or aromatic oil, and is called oil because of being in light yellow liquid state at normal temperature and high fluidity; it has a certain fragrance, and can be volatilized at normal temperature, so it is called volatile oil. The volatile oil is mainly derived from aromatic Chinese medicinal materials, especially from Compositae (folium Artemisiae Argyi, rhizoma Atractylodis, and Atractylodis rhizoma), Umbelliferae (radix Angelicae sinensis, fructus Foeniculi, and bupleuri radix), Rutaceae (fructus Citri Tangerinae and fructus Zanthoxyli), Labiatae (herba Menthae and Perillae), Zingiberaceae (rhizoma Zingiberis recens and Curcumae rhizoma), etc., and mainly comprises terpenes, aldehydes, esters, alcohols, etc. Most plant essential oils have various biological activities such as anti-inflammation, antibiosis, antianaphylaxis, antioxidation, enzyme inhibition and anti-tumor, and are widely applied in the aspects of spice, food industry, pharmacy, medical treatment, cosmetics, agricultural pests and the like.
The volatile oil extraction method mainly comprises a steam distillation method, an organic solvent extraction method, an enzymolysis method, an acoustic wave extraction method, a supercritical fluid extraction method, a distillation extraction method, a solid phase microextraction method, a headspace collection method and the like, and the extraction rate and the volatile oil composition of various methods are different. The steam distillation method is that coarse powder or decoction pieces of medicinal materials containing volatile components are soaked and moistened, heated and distilled or steam is introduced for distillation, the volatile components in a sample are brought out along with the steam distillation, the extraction purity is high, the types are many, the operation is simple, and no solvent pollution exists, and the steam distillation method is widely applied to production and tests.
When the conventional volatile oil extraction equipment is used for extracting volatile oil by a steam distillation method, oil-water mixture steam meets a condenser in the rising process and is condensed into aromatic water flow, and the aromatic water flow directly drops on the uppermost liquid surface of an oil-water separator. The uppermost layer of the liquid level of the oil-water separator is floating light oil, and the oil level of the light oil is continuously knocked down and impacted by dropping oil-water mixture liquid drops falling after condensation, so that the serious emulsification phenomenon is caused, and the problems of incomplete separation of volatile oil, low yield of the volatile oil and the like are caused. In addition, with conventional volatile oil extraction equipment, the following disadvantages also exist: (1) in the conventional oil-water separator, the aromatic water flows into the extraction tank too fast to cause oil and water to be layered for a short time, namely the aromatic water flows back to the extraction tank along with an overflow pipe again, and the steps are repeated, so that the volatile oil is heated for a long time and is subjected to oxidative polymerization, and the yield of the volatile oil is low; (2) the reflux pipeline at the lower end of the condenser is lack of a filtering device, so that impurities mixed with distillate cannot be removed in time, and the oil is required to be filtered independently again during oil collection, so that the time and the labor are consumed; (3) when the light oil or the heavy oil is extracted, different oil-water separators need to be replaced temporarily, which wastes time and labor; (4) the volatile oil is collected in a general workshop area, does not meet the GMP management requirement of medicines, is generally guided into a movable clean laminar flow cover by a pipeline for collection, is complicated in operation and easy to contaminate bacteria, and the transferred adhesion causes the waste of the volatile oil.
Disclosure of Invention
Aiming at the problems that the oil water liquid drops dropping from the condensation of the existing volatile oil extraction equipment continuously smash the liquid surface of light oil, so that the emulsification phenomenon is caused, the subsequent volatile oil is not completely separated, and the yield of the volatile oil is low; the structure of the oil-water separator is unreasonable, and oil and water do not have enough time to be layered and flow into the extraction tank through the overflow pipe again; the volatile oil extraction equipment cannot simultaneously extract and separate heavy oil and light oil; the backflow pipeline is lack of a filtering device, and impurities in the aromatic water cannot be removed in time; and the volatile oil collected in a general workshop area does not meet the GMP management requirements of medicines, and the like.
The inventor carries out innovative design and cooperative optimization on an oil-water separator which is an important part of volatile oil extraction equipment, and the oil-water separator is communicated with a aromatic water conveying pipe 5 through an olive-shaped oil-water separator 3 with a novel structure and a bell mouth 37 arranged in the middle of the oil-water separator 3; the novel structures of the light oil collecting pipe 31, the heavy oil collecting pipe 32, the filter 6 and the like are arranged, so that the emulsification phenomenon is effectively avoided, the oil and the water are fully separated, and the extraction rate of the volatile oil is improved; the light oil and the heavy oil can be extracted and separated simultaneously, so that the extraction operation is convenient and reliable; the invention is convenient for transferring the extracted volatile oil, reduces the loss caused by long-distance pipeline transportation of the volatile oil, and better meets the requirement of GMP (good manufacturing practice) standard.
The technical problem solved by the invention is specifically realized by the following technical scheme:
a high-efficient volatile oil extraction equipment, mainly by extracting 1 pot, condenser 2 and oil water separator 3 make up, characterized by that, the said extracting pot 1 communicates with condenser 2 through the steam delivery pipe 4, the condenser 2 communicates with horn mouth 37 set up in the middle part of the oil water separator 3 through the aromatic water delivery pipe 5;
the oil-water separator 3 is of an olive shape with a large middle and small two ends, the upper part of the oil-water separator is detachably connected with the light oil collecting pipe 31 through the upper frosted interface 13, and the lower part of the oil-water separator is detachably connected with the heavy oil collecting pipe 32 through the lower frosted interface 14.
In the invention, an upper overflow pipe 8 is arranged on the side surface of the position where the oil-water separator 3 is flush with an upper frosted interface 13, and an upper overflow pipe valve 10 is arranged on the upper overflow pipe 8; the side face of the position where the oil-water separator 3 is flush with the lower sand grinding interface 14 is provided with an underflow pipe 7, and an underflow pipe valve 9 is arranged on the underflow pipe 7.
The lower end of the aromatic water delivery pipe 5 is provided with a filter 6 at the joint with the bell mouth 37.
In the invention, the underflow pipe 7 and the upper overflow pipe 8 are communicated with the overflow main pipe 11, and the upper port 12 of the overflow main pipe is flush with the tapping switch 35 of the light oil collecting pipe. The measurement accuracy of the metering scale mark is 1 mL.
In the invention, the filter 6 is composed of an upper filter plate 61 and a lower filter plate 62, and the upper filter plate 61 and the lower filter plate 62 are both provided with filter holes 63.
Preferably, the pore diameter of the filter pores 63 is 125-180 μm; the optimal pore size of the filter pores 63 is 150 μm.
In the design and optimization process of the high-efficiency volatile oil extraction equipment, the inventor notices that oil-water drops dropping after condensation of the conventional volatile oil extraction equipment continuously smash the liquid level of light oil, so that emulsification and subsequent separation of volatile oil are not thorough; the structure of the oil-water separator is unreasonable, oil and water do not have enough time to be layered and then flow into the extraction tank through the overflow pipe again, and the yield of the volatile oil is low; heavy oil and light oil cannot be extracted and separated simultaneously; the backflow pipeline is lack of a filtering device, impurities mixed in the aromatic water cannot be removed in time, and the like.
Aiming at the common technical problem existing in the process of extracting the volatile oil, the inventor carries out innovative design and cooperative optimization on an oil-water separator 3 which is an important part on the basis of the existing volatile oil extraction equipment, sets the oil-water separator 3 into an olive shape with a novel structure, and keeps communication with a fragrant water conveying pipe 5 through a horn mouth 37 arranged in the middle of the oil-water separator 3. The setting of horn mouth 37 can effectively slow down the speed that aromatic water flows into oil water separator 3 through aromatic water conveyer pipe 5, is in simultaneously the lower extreme of aromatic water conveyer pipe 5 is provided with filter 6 with the junction of horn mouth 37, has further reduced the velocity of flow that aromatic water conveyer pipe 5 flows into oil water separator 3 for aromatic water gets into oil water separator 3 slowly relatively, cooperates oil water separator 3's big volume design, thereby has sufficient time layering.
And the aromatic water conveying pipe 5 is communicated with the bell mouth 37 in the middle of the oil-water separator 3, so that the emulsification phenomenon caused by continuously smashing the liquid level of light oil by oil-water drops dropping by condensation in the conventional volatile oil extraction equipment is completely avoided, and the yield and the quality of the volatile oil are improved. Meanwhile, aiming at the defect that the conventional volatile oil extraction equipment cannot simultaneously extract and separate heavy oil and light oil, the light oil collecting pipe 31 and the heavy oil collecting pipe 32 are arranged, so that the light oil and the heavy oil can be simultaneously extracted and separated, the equipment is convenient and quick, and the requirements of GMP (good manufacturing practice) specifications are better met.
Specifically, during the volatile oil extraction operation, the raw material medicinal slices and water are added into the extraction tank 1 in proportion, and steam is started for heating extraction. Along with the gradual rise of the internal temperature and the internal pressure of the extraction tank 1, the water boils, and the boiling water generates enough steam to effectively carry out the volatile oil in the Chinese herbal medicine decoction pieces. Oil-water mixture steam carrying sufficient volatile oil enters the condenser 2 from bottom to top through the steam conveying pipe 4 to be condensed, gas phase is converted into oil-water mixed liquid, and the oil-water mixture respectively passes through the aromatic water conveying pipe 5 and the filter 6 and enters the oil-water separator 3 filled with aromatic water at the bell mouth 37. Due to the blocking and buffering of the filter 6 and the gradual flow effect of the pipe with the flared opening 37 from small to large, the flow rate of the oil-water mixed liquid is obviously slowed down when the oil-water mixed liquid flows into the oil-water separator 3 from the flared opening 37. Then the oil-water separation can be fully separated in the olive-shaped oil-water separator 3 which has a large enough cavity and is filled with aromatic water, and the emulsification phenomenon caused by that oil-water liquid drops dropping by condensation continuously drop on the liquid level of light oil is avoided.
When the relative density of the extracted light oil volatile oil is less than 1, the upper overflow pipe valve 10 and the heavy oil collecting pipe valve 34 are closed, and the lower overflow pipe valve 9 and the light oil collecting pipe valve 33 are opened. As described above, the oil-water mixture is sufficiently separated in the olive oil-water separator 3, and the light oil continuously collects and floats, passes through the upper frosted interface 13 and the light oil collecting pipe valve 33, enters the light oil collecting pipe 31, collects, and waits for recovery. After extraction is finished, the light oil collecting pipe valve 33 is closed, the light oil collecting pipe 31 is rotated and taken down from the upper frosted interface 13, the outer surface is disinfected and then moved into a clean area, and volatile oil is collected.
When the relative density of the extracted heavy oil volatile oil is more than 1, the lower overflow pipe valve 9 and the light oil collecting pipe valve 33 are closed, and the upper overflow pipe valve 10 and the heavy oil collecting pipe valve 34 are opened at the same time. As described above, the oil-water mixture is sufficiently separated in the olive oil-water separator 3, and the heavy oil is continuously accumulated and sinks, and then enters the heavy oil collecting pipe 32 through the lower sand grinding interface 14 and the heavy oil collecting pipe valve 34, and is accumulated, waiting for recovery. After extraction is finished, the valve 34 of the heavy oil collecting pipe is closed, the heavy oil collecting pipe 32 is rotated, the heavy oil collecting pipe is taken down from the lower grinding interface 14, the outer surface is disinfected, then the heavy oil collecting pipe is moved into a clean area, and volatile oil is collected.
The core component of the invention, namely the oil-water separator 3, has unique design and novel structure, the oil-water separator 3 is arranged into an olive-shaped structure with two small ends and a large middle part, and is communicated with the aromatic water conveying pipe 5 and the filter 6 through a bell mouth 37 arranged in the middle part of the oil-water separator 3. The synergistic cooperation of the above components ensures that the aromatic water has enough layering time in the oil-water separator 3, so that the aromatic water can be fully layered, the emulsification phenomenon is avoided, and the yield and the quality of the volatile oil are improved. In addition, the light oil collecting pipe 31 and the heavy oil collecting pipe 32 are arranged, so that the volatile oil extracting equipment can simultaneously collect heavy oil and light oil, the obtained volatile oil is convenient to transfer, and the requirements of GMP (good manufacturing practice) specifications are met.
The invention has novel structure, scientific design, convenient operation and obvious generated technical effect, and compared with the existing volatile oil extraction equipment, the invention has the following substantive characteristics and progresses:
1. according to the invention, the olive-shaped oil-water separator 3 with a unique structure and small two ends and large middle part is arranged, and the filter 6 arranged on the aromatic water conveying pipe 5 and the bell mouth 37 arranged in the middle part of the oil-water separator are combined, so that the emulsification phenomenon and the oxidation polymerization phenomenon are avoided, oil and water can be fully layered, and the yield and the quality of the volatile oil are improved.
2. The filter 6 is arranged on the aromatic water conveying pipe 5, so that impurities in the aromatic water can be intercepted, and the obtained volatile oil is more pure; on the other hand, the filter 6 can play a role of slow flow, so that the aromatic water enters the bell mouth 37 and the oil-water separator 3 at a smaller flow rate, and the sufficient layering of oil and water is promoted.
3. By arranging the olive-shaped oil-water separator 3 with unique function, enough time and space are provided for the sufficient separation of oil and water, and the difficult problems that volatile oil cannot be separated and extracted when the density of the volatile oil in the industry is close to that of water are solved.
4. The invention is provided with the light oil collecting pipe 31 and the heavy oil collecting pipe 32 which have the detachable and closable functions, and combines the closing function design of the light oil collecting pipe valve 33 and the heavy oil collecting pipe valve 34, thereby jointly realizing the quick switching of equipment during the extraction of light oil or heavy oil and the convenient transfer of volatile oil after the oil extraction is finished, saving the labor cost, improving the production efficiency, and simultaneously ensuring that the volatile oil extraction operation is more in line with the requirement of the drug production quality management standard.
Drawings
In order to facilitate understanding and mastering of the technical solution of the present invention, the drawings will be briefly described below. It should be understood that the following drawings are not to be considered limiting of the described scope of the technical solution, and that other relevant drawings can be derived from the following drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the volatile oil extraction apparatus, wherein the symbols are as follows:
1-an extraction tank, 2-a condenser, 3-an oil-water separator, 4-a steam conveying pipe, 5-an aromatic water conveying pipe, 6-a filter, 7-an underflow pipe, 8-an upper overflow pipe, 9-an underflow pipe valve, 10-an upper overflow pipe valve, 11-an overflow main pipe, 12-an overflow main pipe upper port, 13-an upper frosted interface and 14-a lower frosted interface;
FIG. 2 is a schematic diagram of the structure of the oil-water separator, wherein the symbols are as follows:
31-light oil collecting pipe, 32-heavy oil collecting pipe, 33-light oil collecting pipe valve, 34-heavy oil collecting pipe valve, 35-light oil collecting pipe tapping switch, 36-heavy oil collecting pipe tapping switch, and 37-bell mouth;
FIG. 3 is a schematic diagram of a filter structure, wherein the reference numbers are as follows:
61-bottom filter plate, 62-cover filter plate, 63-filter hole.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present application clearer and clearer, the technical solutions in the embodiments will be described in detail and fully with reference to the accompanying drawings. It should be apparent that the following examples are part, but not all, of the examples of the present application. In general, the components and connections shown and described in the drawings and this embodiment may be arranged and configured in other ways, not to mention here, due to space limitations.
Therefore, the following detailed description of the embodiments does not limit the scope of the claims of the present application, and equivalents and modifications made by those skilled in the art without inventive faculty are intended to be included in the scope of the present invention.
Example 1 high efficiency volatile oil extraction equipment structure and operation process
As shown in attached figures 1 and 2, the device mainly comprises an extraction tank 1, a condenser 2 and an oil-water separator 3, wherein the extraction tank 1 is communicated with the condenser 2 through a steam conveying pipe 4, and the condenser 2 is communicated with a bell mouth 37 arranged in the middle of the oil-water separator 3 through an aromatic water conveying pipe 5; the oil-water separator 3 is of an olive shape with a large middle and small two ends, the upper part of the oil-water separator is detachably connected with the light oil collecting pipe 31 through the upper frosted interface 13, and the lower part of the oil-water separator is detachably connected with the heavy oil collecting pipe 32 through the lower frosted interface 14. An upper overflow pipe 8 is arranged on the side surface of the position where the oil-water separator 3 is flush with the upper frosted interface 13, and an upper overflow pipe valve 10 is arranged on the upper overflow pipe 8; the side face of the position where the oil-water separator 3 is flush with the lower sand grinding interface 14 is provided with an underflow pipe 7, and an underflow pipe valve 9 is arranged on the underflow pipe 7.
When the volatile oil is extracted, the raw material medicinal slices and water are added into the extraction tank 1 in proportion, and steam is started for heating extraction. Along with the gradual rise of the internal temperature and the internal pressure of the extraction tank 1, the water boils, and the boiling water generates enough steam to effectively carry out the volatile oil in the Chinese herbal medicine decoction pieces. Oil-water mixture steam carrying sufficient volatile oil enters the condenser 2 from bottom to top through the steam conveying pipe 4 to be condensed, gas phase is converted into oil-water mixed liquid, and the oil-water mixture respectively passes through the aromatic water conveying pipe 5 and the filter 6 and enters the oil-water separator 3 filled with aromatic water at the bell mouth 37. Due to the blocking and buffering of the filter 6 and the gradual flow effect of the pipe with the flared opening 37 from small to large, the flow rate of the oil-water mixed liquid is obviously slowed down when the oil-water mixed liquid flows into the oil-water separator 3 from the flared opening 37. Then the oil-water separation can be fully separated in the olive-shaped oil-water separator 3 which has a large enough cavity and is filled with aromatic water, and the emulsification phenomenon caused by that oil-water liquid drops dropping by condensation continuously drop on the liquid level of light oil is avoided.
When light oil (the relative density of the volatile oil is less than 1) is extracted, the upper overflow pipe valve 10 and the heavy oil collecting pipe valve 34 are closed, and the lower overflow pipe valve 9 and the light oil collecting pipe valve 33 are opened. As described above, the oil-water mixture is sufficiently separated in the olive oil-water separator 3, and the light oil continuously collects and floats, passes through the upper frosted interface 13 and the light oil collecting pipe valve 33, enters the light oil collecting pipe 31, collects, and waits for recovery. After extraction is finished, the light oil collecting pipe valve 33 is closed, the light oil collecting pipe 31 is rotated and taken down from the upper frosted interface 13, the outer surface is disinfected and then moved into a clean area, and volatile oil is collected.
When heavy oil (the relative density of the volatile oil is more than 1) is extracted, the lower overflow pipe valve 9 and the light oil collecting pipe valve 33 are closed, and the upper overflow pipe valve 10 and the heavy oil collecting pipe valve 34 are opened at the same time. As described above, the oil-water mixture is sufficiently separated in the olive oil-water separator 3, and the heavy oil is continuously accumulated and sinks, and then enters the heavy oil collecting pipe 32 through the lower sand grinding interface 14 and the heavy oil collecting pipe valve 34, and is accumulated, waiting for recovery. After extraction is finished, the valve 34 of the heavy oil collecting pipe is closed, the heavy oil collecting pipe 32 is rotated, the heavy oil collecting pipe is taken down from the lower grinding interface 14, the outer surface is disinfected, then the heavy oil collecting pipe is moved into a clean area, and volatile oil is collected.
Example 2 extraction of Angelica volatile oil
1 materials and methods
1.1 materials
180kg of angelica decoction pieces, provided by southwestern Qianpu pharmaceutical Co.
1.2 methods
The same batch of angelica decoction pieces are taken, 10 times of water is added, and the volatile oil extraction is respectively carried out by adopting conventional volatile oil extraction equipment and the high-efficiency volatile oil extraction equipment. The aperture of the filtering hole 63 on the filter 6 of the high-efficiency volatile oil extraction equipment is 150 mu m. The extraction time for both experiments was 8 hours.
2 results
The results are shown in table 1, under the condition that the conditions such as extraction time, extraction temperature and the like are kept consistent, the yield of the volatile oil of two groups of the same formula is 0.26 percent and 0.36 percent respectively, and compared with the conventional volatile oil extractor, the yield of the volatile oil extractor disclosed by the invention is improved by more than 24 percent.
TABLE 1 radix Angelicae sinensis volatile oil extraction test results (n ═ 2)
Under the condition that the conditions such as extraction time, extraction temperature and the like are kept consistent, the amount of angelica volatile oil extracted by the volatile oil extraction equipment is obviously higher than that of the conventional volatile oil extraction equipment, and partial oil repeatedly overflows into an extraction tank due to the poor separation degree of the conventional volatile oil extraction equipment and is oxidized and discolored due to long heating time; the volatile oil extracted by the volatile oil extraction equipment has no impurities and better quality.
EXAMPLE 3 rhizoma Zingiberis volatile oil extraction
1 materials and methods
1.1 materials
180kg of dried ginger decoction pieces, provided by Shandong Qianpu pharmaceutical Co.
1.2 methods
Taking the same batch of dried ginger decoction pieces, adding 8 times of water, and respectively adopting conventional volatile oil extraction equipment and the high-efficiency volatile oil extraction equipment to extract volatile oil. The aperture of the filtering hole 63 on the filter 6 of the high-efficiency volatile oil extraction equipment is 180 mu m. The extraction time for both experiments was 5 hours.
2 results
The results are shown in table 2, under the condition that the conditions such as extraction time, extraction temperature and the like are kept consistent, the yield of the volatile oil of two groups of the same formula is 0.35 percent and 0.45 percent respectively, and compared with the conventional volatile oil extractor, the yield of the volatile oil extractor disclosed by the invention is improved by more than 28 percent.
TABLE 2 Zingiberis rhizoma volatile oil extraction test results (n ═ 2)
Under the condition that the conditions such as extraction time, extraction temperature and the like are kept consistent, the extraction amount of the dried ginger volatile oil by the volatile oil extraction equipment is obviously higher than that of the conventional volatile oil extraction equipment, and partial oil repeatedly overflows into an extraction tank due to the poor separation degree of the conventional volatile oil extraction equipment and is oxidized and discolored due to long heating time; the volatile oil extracted by the volatile oil extraction equipment has no impurities and better quality.
EXAMPLE 4 mint volatile oil extraction
1 materials and methods
1.1 materials
60kg of mint decoction pieces, provided by Lunan Qianpu pharmaceutical Co.
1.2 methods
Taking the same batch of mint decoction pieces, adding 12 times of water, and respectively adopting conventional volatile oil extraction equipment and the high-efficiency volatile oil extraction equipment to extract volatile oil. The aperture of the filter hole 63 on the filter 6 of the high-efficiency volatile oil extraction equipment is 125 mu m. The extraction time for both experiments was 6 hours.
2 results
The results are shown in table 3, under the condition that the conditions such as extraction time, extraction temperature and the like are kept consistent, the yield of the volatile oil of two groups of the same formula is 0.68% and 0.87% respectively, and compared with the conventional volatile oil extractor, the yield of the volatile oil extractor disclosed by the invention is improved by more than 27.9%.
TABLE 3 peppermint volatile oil extraction test results (n ═ 2)
According to the test results, under the condition that the conditions such as the extraction time, the extraction temperature and the like are kept consistent, the extraction amount of the mint volatile oil by the volatile oil extraction equipment is higher than that of the mint volatile oil extracted by the conventional volatile oil extraction equipment, and the volatile oil extracted by the volatile oil extraction equipment is free of impurities and has better quality.
Claims (9)
1. A high-efficiency volatile oil extraction device mainly comprises an extraction tank (1), a condenser (2) and an oil-water separator (3), and is characterized in that the extraction tank (1) is communicated with the condenser (2) through a steam conveying pipe (4), and the condenser (2) is communicated with a bell mouth (37) arranged in the middle of the oil-water separator (3) through an aromatic water conveying pipe (5);
the oil-water separator (3) is of an olive shape with a large middle and small two ends, the upper part of the oil-water separator is detachably connected with the light oil collecting pipe (31) through the upper sand grinding interface (13), and the lower part of the oil-water separator is detachably connected with the heavy oil collecting pipe (32) through the lower sand grinding interface (14).
2. The high-efficiency volatile oil extraction equipment according to claim 1, wherein an upper overflow pipe (8) is arranged on the side surface of the oil-water separator (3) at the same level with the upper frosted interface (13), and an upper overflow pipe valve (10) is arranged on the upper overflow pipe (8); the side face of the position where the oil-water separator (3) is flush with the lower sand grinding interface (14) is provided with an underflow pipe (7), and an underflow pipe valve (9) is arranged on the underflow pipe (7).
3. The high efficiency volatile oil extraction equipment according to claim 1, wherein the lower end of the aromatic water delivery pipe (5) is provided with a filter (6) at the connection with the bell mouth (37).
4. The high-efficiency volatile oil extraction equipment as claimed in claim 1, characterized in that the underflow pipe (7) and the upper overflow pipe (8) are communicated with an overflow main pipe (11), and an upper port (12) of the overflow main pipe is flush with a tapping switch (35) of a light oil collecting pipe.
5. The high-efficiency volatile oil extraction equipment as claimed in any one of claims 1 to 4, wherein the light oil collecting pipe (31) is marked with a metering scale mark, and the 0 datum line of the metering scale mark is flush with a tapping switch (35) of the light oil collecting pipe; the heavy oil separator (32) is marked with a metering scale line, and the 0 reference line of the heavy oil separator is flush with a liquid discharge switch (36) of the heavy oil collecting pipe.
6. The apparatus of claim 5, wherein the measurement scale has a measurement accuracy of 1 mL.
7. The high-efficiency volatile oil extraction equipment according to claim 3, wherein the filter (6) consists of an upper filter plate (61) and a lower filter plate (62), and the upper filter plate (61) and the lower filter plate (62) are both provided with filter holes (63).
8. The high efficiency volatile oil extraction equipment according to claim 7, wherein the pore size of the filter pores (63) is 125-180 μm.
9. The high efficiency volatile oil extraction equipment according to claim 8, wherein the aperture of the filtering holes (63) is 150 μm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114854491A (en) * | 2022-05-19 | 2022-08-05 | 河北中烟工业有限责任公司 | Volatile oil extraction device |
| CN115261138A (en) * | 2022-06-28 | 2022-11-01 | 包头中药有限责任公司 | Multifunctional volatile oil extraction and separation system |
| CN115851379A (en) * | 2023-02-28 | 2023-03-28 | 浙江金安制药机械有限公司 | Device and method for collecting volatile oil extracted from traditional Chinese medicine |
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2021
- 2021-11-10 CN CN202111328806.XA patent/CN113845980A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114854491A (en) * | 2022-05-19 | 2022-08-05 | 河北中烟工业有限责任公司 | Volatile oil extraction device |
| CN115261138A (en) * | 2022-06-28 | 2022-11-01 | 包头中药有限责任公司 | Multifunctional volatile oil extraction and separation system |
| CN115851379A (en) * | 2023-02-28 | 2023-03-28 | 浙江金安制药机械有限公司 | Device and method for collecting volatile oil extracted from traditional Chinese medicine |
| CN115851379B (en) * | 2023-02-28 | 2023-09-15 | 浙江金安制药机械有限公司 | Traditional Chinese medicine volatile oil extraction and collection device and collection method thereof |
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