CN110564511A - Essential oil refining equipment - Google Patents
Essential oil refining equipment Download PDFInfo
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- CN110564511A CN110564511A CN201910892678.8A CN201910892678A CN110564511A CN 110564511 A CN110564511 A CN 110564511A CN 201910892678 A CN201910892678 A CN 201910892678A CN 110564511 A CN110564511 A CN 110564511A
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- tank
- control valve
- mixed liquid
- essential oil
- feeding
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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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- 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
- C11B9/027—Recovery of volatiles by distillation or stripping
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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 relates to essential oil refining equipment which comprises a PLC (programmable logic controller), a feeding tank, a mixed liquid tank, a vacuumizing device and a steam generator, wherein the vacuumizing device and the steam generator are respectively connected with the feeding tank and the mixed liquid tank through a pipeline system, the upper parts and the lower parts of the feeding tank and the mixed liquid tank are respectively communicated with a tank body communicating pipeline I and a tank body communicating pipeline II through a pipeline system, the tank body communicating pipeline I is provided with a control valve assembly I and is connected with a shared condensing device, an ultrasonic vibrator is arranged in the feeding tank, and the tank body communicating pipeline II is provided with a control valve assembly II and a delivery pump. The first control valve component and the second control valve component can enable the feeding tank and the mixed liquid tank to be independently communicated with the condensing device under the control of the PLC, and also can enable the feeding tank and the mixed liquid tank to be communicated with each other to realize solvent circulation. The equipment combines vacuum distillation, solvent extraction and ultrasonic solvent extraction, and greatly improves the extraction rate of essential oil and the quality of finished essential oil products when the plant essential oil is extracted.
Description
Technical Field
The invention belongs to the technical field of plant essential oil production equipment, and particularly relates to essential oil refining equipment for preparing high-purity essential oil.
Background
Essential oils are volatile aromatic substances extracted from flowers, leaves, stems, roots or fruits of plants. Essential oils can be made up of a combination of 50-500 different molecules, which coexist in perfect proportions, giving each plant its distinctiveness and therefore an unparalleled breadth of the wonderful effect on the human body.
The existing extraction method of natural plant essential oil mainly comprises the following steps:
1. The fat adsorption method is used for adsorbing the essential oil in the rose by using the oil, and although the process is simple, the subsequent separation of the essential oil and the oil is difficult.
2. The extraction method comprises soaking plant with low boiling point solvent such as petroleum ether and hexane, extracting to obtain essential oil and mixture of organic solvents, and distilling to remove organic solvent to obtain plant essential oil; the method has high extraction rate of essential oil and low cost, but easily causes organic solvent residue, so that the fragrance of the essential oil is not pure enough.
3. Supercritical extraction method, soaking in supercritical carbon dioxide fluid, and extracting to obtain essential oil; the method has the advantages of high yield, high product quality and the like; however, because the solubility of the supercritical carbon dioxide fluid is too strong, non-essential oil components in the plant are also extracted, and the moisture in the plant is not easy to separate, so that the essential oil is easy to grow mildewed in the storage process, and the application range of the obtained product is limited.
In order to solve the above problems, it is necessary to develop a simple device, which is easy to operate and can produce high-purity essential oil, which is a problem that those skilled in the art are urgently required to solve.
disclosure of Invention
the invention aims to solve the problems and the defects, and provides the essential oil refining equipment which integrates the functions of vacuum distillation, steam distillation, solvent extraction and ultrasonic extraction, has a simple structure and high work efficiency, and is simple and easy to operate, and the essential oil refining time is short. This essential oil refining equipment has effectively improved production efficiency, has reduced the energy consumption, has improved the essential oil quality.
The technical scheme of the invention is realized as follows:
The essential oil refining equipment is characterized in that: the device comprises a PLC (programmable logic controller for short), a feeding tank, a mixed liquid tank, a vacuumizing device and a steam generator, wherein the vacuumizing device and the steam generator are respectively connected with the feeding tank and the mixed liquid tank through a pipeline system, an ultrasonic vibrator is arranged in the feeding tank, an electric heater is arranged on the mixed liquid tank, the upper parts of the feeding tank and the mixed liquid tank are connected through a tank body communication pipeline I, the lower parts of the feeding tank and the mixed liquid tank are communicated through a tank body communication pipeline II, a control valve component I and a shared condensing device are arranged on the tank body communication pipeline I, a control valve component II and a delivery pump connected with the condensing device are arranged on the tank body communication pipeline II, the delivery pump can deliver condensate collected in the condensing device into the mixed liquid tank, a plurality of control programs are arranged on the PLC, and the operation of different programs in the feeding tank and the mixed liquid tank, the first control valve component and the second control valve component enable the feeding tank and the mixed liquid tank to be independently communicated with the condensing device under the control of the PLC, the feeding tank and the mixed liquid tank can also be communicated with each other to realize solvent circulation, so that the mixed liquid tank can extract the solvent of the effective essential oil substances, the feeding tank can also extract the effective essential oil substances through the solvent sent by circulation, and the concentrations of the effective essential oil substances in the feeding tank and the mixed liquid tank can be balanced after multiple circulations.
The vacuumizing device comprises a first vacuum machine and a pressure gauge. And a first liquid inlet with a valve and a second liquid inlet with a valve are arranged on a pipeline system between the steam generator and the feeding tank and the mixed liquid tank, and a water outlet with a water valve is arranged at the bottom of the feeding tank. The bottom of the mixed liquid tank is provided with a liquid outlet with a valve.
The further scheme is as follows: the control program on the PLC comprises a steam distillation condensation collection program, a water boiling azeotropic condensation collection program, a solvent extraction program and a solvent recovery program.
The further scheme is as follows: the feeding tank is provided with a feeding port at the upper part and a slag outlet at the bottom, a steam thermal balancer connected with a steam generator is arranged in the feeding tank, and a stirrer and a thermometer are respectively arranged on the feeding tank and the mixed liquid tank. The condensing device comprises a condenser connected with the middle part of the tank body communicating pipeline I and a condensate storage device communicated with a connecting pipe below the condenser, a second vacuum machine is connected onto the condensate storage device, and the conveying pump can be communicated with the condensate storage device. The second vacuum machine is arranged behind the condensing device, and the vacuum pressure can be set according to the requirement of the extraction materials.
In order to ensure that the thermal stability is good when the heat preservation jacket is used, the feeding tank and the mixed liquid tank are both placed in the heat preservation jacket.
Further, the method comprises the following steps: the condenser is provided with a connecting pipe, the lower end of the connecting pipe is communicated with the condensation container, the upper end of the connecting pipe is communicated with the tank body communicating pipe I, the connecting pipe is provided with a control valve I, the control valve component I comprises a control valve II positioned between the feeding tank and the condensing device and a control valve III positioned between the mixed liquid tank and the condensing device, and the feeding tank is communicated with the upper part of the mixed liquid tank when the control valve II and the control valve III are opened.
The middle part of the second tank body communicating pipeline is communicated with the lower part of a connecting pipe of the condensing device, the second control valve component comprises a plurality of control valves arranged on the second tank body connecting pipe, the fourth control valve is positioned between the feeding tank and the connecting pipe, the fifth control valve is positioned between the delivery pump and the connecting pipe, the sixth control valve is positioned between the delivery pump and the mixed liquid tank, and the seventh control valve is arranged on the connecting pipe between the condensation container and the second tank body connecting pipe. And a conveying pipeline connected with the mixed liquid tank is further arranged on the connecting pipe between the condenser and the second tank body connecting pipe, and a sixteen control valve is arranged on the conveying pipeline.
And a control valve assembly III is arranged on the pipeline system and comprises a control valve fifteen positioned on the pipeline system between the first liquid inlet with the valve and the steam generator, a control valve eight, a control valve nine, a control valve ten positioned on the pipeline system between the first liquid inlet with the valve and the feeding tank, a control valve eleven positioned on the pipeline system between the second liquid inlet with the valve and the steam generator, a control valve twelve, a control valve thirteen and a control valve fourteen positioned on the pipeline system between the second liquid inlet with the valve and the mixed liquid tank.
The invention has the advantages that:
The equipment can combine a vacuum distillation control technology with a water vapor distillation method, a water boiling azeotropic distillation method, a solvent extraction method and an ultrasonic extraction method, when plant essential oil is refined, water vapor and essential oil vapor are mixed and condensed to form mixed liquid, a vacuum environment is generated to reduce the boiling point of the liquid, compatible substances are easier to separate, and a method combining solvent circulation extraction and ultrasonic extraction is adopted during extraction, so that high-purity essential oil with the purity of 99% can be generated, the extraction rate of the essential oil is greatly improved, and the quality of essential oil finished products is improved.
Secondly, the invention is characterized in that when the device uses a solvent (such as alcohol) extraction technology, ultrasonic extraction is simultaneously used. Under the cavitation action of the ultrasonic vibrator, the release time of the effective substances of the essential oil can be greatly shortened, the work efficiency is improved, and the cost is saved.
The distillation and extraction equipment provided by the invention shares a set of condensing device, and the feeding tank and the mixed liquid tank can carry out distillation and extraction according to needs.
And fourthly, the feeding tank and the mixed liquid tank in the invention can circulate the solvent (such as alcohol) between the two tanks (the feeding tank and the mixed liquid tank) during solvent extraction. The alcohol circulates between the two tanks, so that the alcohol with higher concentration of the effective substances of the essential oil extracted from the feeding tank is sent to the mixed liquid tank through circulation, and the alcohol with low concentration of the effective substances of the essential oil in the mixed liquid tank enters the feeding tank. After the essential oil effective substances in the two tanks are balanced through multiple circulation, alcohol containing the essential oil effective substances is discharged through the mixed liquid tank. Pure alcohol can be added, the circulation is repeated for several times, and the effective substance of the material (extract) essential oil in the feeding tank can be extracted completely.
The invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, the essential oil refining equipment of the invention comprises a PLC controller (not shown in the figure), a feeding tank 1, a mixed liquid tank 2, a vacuum pumping device and a steam generator 4 which are respectively connected with the feeding tank 1 and the mixed liquid tank 2 through a pipeline system, wherein the feeding tank 1 and the mixed liquid tank 2 are connected at the upper part through a tank body communication pipeline I, the lower part is communicated through a tank body communication pipeline II, the tank body communication pipeline I is provided with a control valve component I and a shared condensing device 8, the feeding tank 1 is provided with a feeding port 13 at the upper part and a slag outlet 14 at the bottom, the feeding tank 1 is internally provided with an ultrasonic vibrator 6 and a steam heat balancer 11 connected with the steam generator 4 (although the steam heat balancer 11 is not provided, the preferred scheme is that the arrangement is adopted), the mixed liquid tank 2 is provided with an electric heater 12, and the tank body communication pipeline II is provided with the, the second tank connecting pipe is provided with a delivery pump 17 connected with the condensing device 8, the delivery pump 17 can deliver the condensate collected in the condensing device 8 into the mixed liquid tank 2, the bottom of the mixed liquid tank 2 is provided with a liquid outlet 22 with a valve, the PLC is provided with a plurality of control programs, the feeding tank 1 and the mixed liquid tank 2 can be controlled to operate in different programs, the first control valve component and the second control valve component can enable the feeding tank 1 and the mixed liquid tank 2 to be independently communicated with the condensing device 8 under the control of the PLC, and if the feeding tank 1 is independently communicated with the condensing device 8, steam distillation condensation extraction or water boiling azeotropic distillation condensation extraction of effective substances of essential oil in the feeding tank 1 is realized; the mixed liquid tank 2 is separately communicated with the condensing device 8, and the mixed liquid tank 2 can be used for secondary distillation, and the solvent recovery operation of extraction can also be carried out by using the communicating structure. According to the invention, the first control valve assembly and the second control valve assembly can also enable the feeding tank 1 and the mixed liquid tank 2 to be communicated with each other to realize solvent circulation under the control of the PLC, so that the feeding tank 1 can extract effective essential oil substances from materials by using solvents (such as alcohol, certainly other extraction solvents which are not listed) and can also extract the effective essential oil substances by using the ultrasonic vibrator 6, the release time of the effective essential oil substances can be greatly shortened under the cavitation action of the ultrasonic vibrator, and the concentration of the extracted effective essential oil substances is high. Because the alcohol can circulate between the two tanks, the alcohol with higher concentration of the effective substances of the essential oil extracted from the feeding tank 1 is sent to the mixed liquid tank, and the alcohol with lower concentration of the effective substances of the essential oil in the mixed liquid tank 2 enters the feeding tank. After the essential oil effective substances in the two tanks are balanced through multiple circulation, alcohol containing the essential oil effective substances is discharged through the mixed liquid tank 2. In order to further improve the work efficiency and the extraction rate, the feeding tank 1 and the mixed liquid tank 2 are respectively provided with a stirrer 5-1, a stirrer 5-2 and a thermometer 10-1, a thermometer 10-2. The condensing device 8 comprises a condenser connected with the middle part of the tank body communicating pipeline I and a condensate container 7 positioned below the condenser, a second vacuum machine 3-2 is connected onto the condensate container 7, and the conveying pump 17 can be communicated with the condensate container 7. The feeding tank 1 and the mixed liquid tank 2 are both arranged in heat-insulating jackets 9-1 and 9-2, and the vacuumizing device comprises a first vacuum machine 3-1 and a pressure gauge 15.
The control program on the PLC of the device comprises a steam distillation condensation collection program, a water boiling azeotropic condensation collection program, a solvent extraction and ultrasonic solvent extraction program and a solvent recovery program. A first liquid inlet 26 with a valve and a second liquid inlet 27 with a valve are arranged on a pipeline system between the steam generator 4 and the feeding tank 1 and the mixed liquid tank 2, and a water outlet 21 with a water valve is arranged at the bottom of the feeding tank 1. The condenser is provided with a connecting pipe with the lower end communicated with the condensation container 7, the connecting pipe is provided with a first control valve 31, the upper end of the connecting pipe is communicated with a first tank body communicating pipeline, the first control valve component comprises a second control valve 37 positioned between the feeding tank 1 and the first control valve 31 and a third control valve 38 positioned between the mixed liquid tank 2 and the first control valve 31, and the feeding tank 1 is communicated with the upper part of the mixed liquid tank 2 when the second control valve 37 and the third control valve 38 are opened. The middle part of the second tank body communicating pipeline is communicated with the lower part (generally close to the lower end) of a connecting pipe of the condensing device 8, the second control valve component comprises a plurality of control valves arranged on the second tank body connecting pipe, the fourth control valve 36 is arranged between the feeding tank 1 and the connecting pipe, the fifth control valve 41 is arranged between the delivery pump 17 and the connecting pipe, the sixth control valve 18 is arranged between the delivery pump 17 and the mixed liquid tank 2, and the seventh control valve 19 is arranged on the connecting pipe between the condensing container 7 and the second tank body connecting pipe. And a conveying pipeline connected with the mixed liquid tank 2 is further arranged on a connecting pipe between the condenser and the second tank body connecting pipe, and sixteen 35 control valves are arranged on the conveying pipeline. When 2 times of distillation needs to be carried out in the mixed liquid tank 2, the control valve II 37, the control valve I31 and the control valve sixteen 35 are opened, and the condensed water enters the mixed liquid tank 2 from the feeding tank 1. If the tail end of the delivery pipe is connected to the second tank connecting pipe close to the mixed liquid tank 2, a control valve 39 can be further arranged on the second tank connecting pipe. And a third control valve assembly is arranged on the pipeline system, and comprises a fifteenth control valve 24 positioned on the pipeline system between the first valve-containing liquid inlet 26 and the steam generator 4, an eighth control valve 20 positioned on the pipeline system between the first valve-containing liquid inlet 26 and the feeding tank 1, a ninth control valve 29, a tenth control valve 28, an eleventh control valve 25 positioned on the pipeline system between the second valve-containing liquid inlet 27 and the steam generator 4, a twelfth control valve 34 positioned on the pipeline system between the second valve-containing liquid inlet 27 and the mixed liquid tank 2, a thirteenth control valve 42 and a fourteenth control valve 30.
The feeding tank 1 and the mixed liquid tank 2 in the invention can be used as a distillation tank, an extraction tank or an extraction tank as required, and the solvent can be recycled in the two extraction tanks during extraction. And an ultrasonic vibrator 6 is arranged on the feeding tank 1, so that the release time of the effective substances of the essential oil can be greatly shortened under the cavitation action of the ultrasonic vibrator, the work efficiency is improved, and the cost is saved.
The working principle of the invention is further described below with reference to the accompanying drawings:
As shown in fig. 1, after the material is charged into the charging port 13 of the charging tank 1, a first program (steam distillation condensation collection program) on the PLC controller is started. At the moment, the steam generator 4, the vacuum machine 3-1, the control valve fifteen 24, the control valve eight 20, the control valve nine 29, the control valve two 37, the control valve one 31 and the control valve seven 19 are opened, the feeding tank 1 in the equipment operates in a vacuum state to realize steam distillation to extract effective essential oil substances, and a part of effective essential oil substances in the materials are conveyed into the condensing device 8 for condensation after steam distillation, and then become crude essential oil condensate which flows into the condensate receiver 7 for collection. And starting a program II (boiling azeotropic condensation collection program) on the PLC. When the second program is started, firstly, the first valved liquid inlet 26, the eighth control valve 20, the ninth control valve 29, the second control valve 37, the first control valve 31 and the seventh control valve 19 are opened. After injecting a proper amount of water through the valved inlet one 26, the valved inlet one 26 closes the valve. And then the steam generator 4, the control valve fifteen 24, the vacuum machine 3-1, the stirrer 5-1, the ultrasonic vibrator 6, the control valve ten 28, the control valve two 37, the control valve one 31 and the control valve seven 19 are opened, stirring boiling azeotropy under the ultrasonic and vacuum states is realized, the essential oil effective substance is extracted for the second time from the material, the extracted essential oil effective substance is conveyed into the condensing device 8 through water vapor generated by azeotropy and condensed, and then the essential oil effective substance is changed into crude essential oil condensate to flow into the condensate container 7 for collection. When solvent extraction of the crude essential oil condensate is required, a third program on the PLC can be started. When the third starting procedure is to extract by the extractant alcohol, the crude essential oil condensate is firstly put into (or is sent into) the feeding tank 1 and the mixed liquid tank 2 by the delivery pump, the alcohol solvent is injected into the feeding tank 1 and the mixed liquid tank 2 by the first liquid inlet 26 with the valve, the second liquid inlet 27 with the valve, the eighth control valve 20, the tenth control valve 28, the twelfth control valve 34 and the fourteenth control valve 30, and the first liquid inlet 26 with the valve and the second liquid inlet 27 with the valve are closed after a proper amount of alcohol solvent is injected. And then, starting a steam generator 4, an ultrasonic vibrator 6, stirrers 5-1, 5-2, a control valve fifteen 24, a control valve 39, a control valve six 18, a delivery pump 17, a control valve five 41, a control valve four 36, a control valve two 37 and a control valve three 38, controlling a certain temperature and circularly extracting alcohol between the feeding tank 1 and the mixed liquid tank 2, at the moment, sending the alcohol with higher concentration of the effective substances of the essential oil extracted from the feeding tank 1 to the mixed liquid tank 2, and sending the alcohol with lower concentration of the effective substances of the essential oil extracted from the mixed liquid tank 2 to the feeding tank 1. After the concentration of the extract (the effective substance of the essential oil) in the alcohol in the two tanks (the feeding tank 1 and the mixed liquid tank 2) is balanced and the concentration of the extract in the alcohol reaches a proper degree through multiple circulation, the procedure III is closed. Discharging alcohol containing effective components of essential oil from the mixed liquid tank. Pure alcohol can be added, the circulation is repeated for a plurality of times, and the effective substances of the essential oil in the materials in the feeding tank 1 can be extracted completely. And finally, putting all the extracts into the mixed liquid tank 2, starting the program IV, starting the steam generator 4, the control valve eleven 25, the control valve twelve 34, the control valve fourteen 30, the electric heater 12, the stirrer 5-2 on the mixed liquid tank 2, the control valve III 38, the control valve I31 and the control valve VII 19, boiling the alcohol, condensing the alcohol by the condensing device 8, and then feeding the alcohol into the condensate receiver 7 for recycling to prepare for reuse. The effective substances of essential oil (also called essential oil extract, essential oil) extracted from the mixed liquid tank are taken out through the drain port 22 with valve. The equipment can distill, boil and extract materials with azeotropy, extract solvent circulation, extract ultrasonic wave and the like for multiple times to obtain the essential oil, so that the production efficiency is effectively improved, the energy consumption is reduced, and the quality of the essential oil is improved. In addition, in the using process of the invention, when the mixed liquid tank 2 needs to be distilled for 2 times, the control valve II 37, the control valve I31, the control valve sixteen 35 and the control valve 39 are opened, and the condensed water enters the mixed liquid tank 2 from the feeding tank 1.
While the invention has been described with reference to specific embodiments, this description is not meant to be construed in a limiting sense. Other variations of the disclosed embodiments, as would be appreciated by those skilled in the art with reference to the description of the invention, are contemplated as falling within the scope of the appended claims.
Claims (10)
1. The utility model provides an essential oil refining equipment which characterized in that: the device comprises a PLC (programmable logic controller), a feeding tank (1), a mixed liquid tank (2), a vacuumizing device and a steam generator (4), wherein the vacuumizing device and the steam generator (4) are respectively connected with the feeding tank (1) and the mixed liquid tank (2) through a pipeline system, an ultrasonic vibrator (6) is arranged in the feeding tank (1), the upper parts of the feeding tank (1) and the mixed liquid tank (2) are connected through a tank body communicating pipeline I, the lower parts of the feeding tank (1) and the mixed liquid tank (2) are communicated through a tank body communicating pipeline II, a control valve assembly I and a condensing device (8) capable of being shared are arranged on the tank body communicating pipeline I, a control valve assembly II and a conveying pump (17) are arranged on the tank body communicating pipeline II, a plurality of control programs capable of controlling the feeding tank (1) and the mixed liquid tank (2) to be operated in different programs are arranged on the PLC, and the feeding tank (1) and the mixed liquid tank (2) can be independently connected with the The feeding tank (1) and the mixed liquid tank (2) can be communicated with each other to realize solvent circulation, the feeding tank (1) can extract effective essential oil substances from materials by using a solvent, meanwhile, ultrasonic extraction of the effective essential oil substances can be carried out by the ultrasonic vibrator (6), and the feeding tank (1) and the mixed liquid tank (2) can be subjected to solvent multiple circulation during extraction to balance the concentration of the effective essential oil substances in the feeding tank (1) and the mixed liquid tank.
2. An essential oil refining apparatus as defined in claim 1, wherein: a steam heat balancer (11) connected with the steam generator (4) is arranged in the feeding tank (1), and an electric heater (12) is arranged on the mixed liquid tank (2).
3. An essential oil refining apparatus as defined in claim 1 or 2, wherein: the feeding tank (1) is provided with a feeding port (13) and a slag hole (14), the bottom of the mixed liquid tank (2) is provided with a liquid discharge port (22) with a valve, and the feeding tank (1) and the mixed liquid tank (2) are respectively provided with a stirrer (5-1, 5-2) and a thermometer (10-1, 10-2).
4. An essential oil refining apparatus as defined in claim 1, wherein: the condensing device (8) comprises a condenser connected with the middle part of the tank body communicating pipeline and a condensate storage device (7) located below the condenser, a second vacuum machine (3-2) is connected onto the condensate storage device (7), and the conveying pump (17) can be communicated with the condensate storage device (7).
5. an essential oil refining apparatus as defined in claim 1, wherein: the feeding tank (1) and the mixed liquid tank (2) are placed in corresponding heat-preservation jackets (9-1, 9-2), and the vacuumizing device comprises a first vacuum machine (3-1) and a pressure gauge (15).
6. An essential oil refining apparatus as defined in claim 1, wherein: the control program on the PLC comprises a steam distillation condensation collection program, a water boiling azeotropic condensation collection program, a solvent extraction program and a solvent recovery program.
7. An essential oil refining apparatus as defined in claim 1, wherein: the device is characterized in that a first liquid inlet (26) with a valve is arranged on a pipeline system between the steam generator (4) and the feeding tank (1), a second liquid inlet (27) with a valve is arranged on a pipeline system between the steam generator (4) and the mixed liquid tank (2), and a water outlet (21) with a water valve is arranged at the bottom of the feeding tank (1).
8. An essential oil refining apparatus as defined in claim 4, wherein: the condenser is provided with a connecting pipe, the lower end of the connecting pipe is communicated with the condenser container (7), the upper end of the connecting pipe is communicated with a tank body communicating pipeline, a first control valve (31) is arranged on the connecting pipe, the first control valve component comprises a second control valve (37) positioned between the feeding tank (1) and the condensing device (8) and a third control valve (38) positioned between the mixed liquid tank (2) and the condensing device (8), and the upper parts of the feeding tank (1) and the mixed liquid tank (2) are communicated when the second control valve (37) and the third control valve (38) are opened.
9. An essential oil refining apparatus as defined in claim 8, wherein: the middle part of the second tank communicated pipeline is communicated with the lower part of a connecting pipe of the condensing device (8), the second control valve component comprises a plurality of control valves arranged on the second tank connected pipe, the control valves comprise a fourth control valve (36) positioned between the feeding tank (1) and the connecting pipe, a fifth control valve (41) positioned between the delivery pump (17) and the connecting pipe, and a sixth control valve (18) positioned between the delivery pump (17) and the mixed liquid tank (2), a seventh control valve (19) is arranged on the connecting pipe between the condensation container (7) and the second tank connected pipe, a conveying pipeline connected with the mixed liquid tank (2) is further arranged on the connecting pipe between the condenser and the second tank connected pipe, and a sixteenth control valve (35) is arranged on the conveying pipeline.
10. An essential oil refining apparatus as defined in claim 7, wherein: and a control valve assembly III is arranged on the pipeline system and comprises a control valve fifteen (24) positioned on the pipeline system between the first liquid inlet (26) with the valve and the steam generator (4), a control valve eight (20) positioned on the pipeline system between the first liquid inlet (26) with the valve and the feeding tank (1), a control valve nine (29), a control valve ten (28), a control valve eleven (25) positioned on the pipeline system between the second liquid inlet (27) with the valve and the steam generator (4), a control valve twelve (34) positioned on the pipeline system between the second liquid inlet (27) with the valve and the mixed liquid tank (2), a control valve thirteen (42) and a control valve fourteen (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910892678.8A CN110564511A (en) | 2019-09-20 | 2019-09-20 | Essential oil refining equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910892678.8A CN110564511A (en) | 2019-09-20 | 2019-09-20 | Essential oil refining equipment |
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| CN110564511A true CN110564511A (en) | 2019-12-13 |
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| CN201910892678.8A Pending CN110564511A (en) | 2019-09-20 | 2019-09-20 | Essential oil refining equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021185145A1 (en) * | 2020-03-16 | 2021-09-23 | 中山景泓达智能科技有限公司 | Household plant essential oil extractor and operation method therefor |
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