CN112940865A - Device is refine to cinnamomum camphora oil - Google Patents

Device is refine to cinnamomum camphora oil Download PDF

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Publication number
CN112940865A
CN112940865A CN202110146191.2A CN202110146191A CN112940865A CN 112940865 A CN112940865 A CN 112940865A CN 202110146191 A CN202110146191 A CN 202110146191A CN 112940865 A CN112940865 A CN 112940865A
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CN
China
Prior art keywords
shaft
axle
air injection
supporting seat
connecting plate
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Pending
Application number
CN202110146191.2A
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Chinese (zh)
Inventor
高雪松
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Sichuan Chushu Forestry Technology Development Co ltd
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Sichuan Chushu Forestry Technology Development Co ltd
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Application filed by Sichuan Chushu Forestry Technology Development Co ltd filed Critical Sichuan Chushu Forestry Technology Development Co ltd
Priority to CN202110146191.2A priority Critical patent/CN112940865A/en
Publication of CN112940865A publication Critical patent/CN112940865A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, 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
    • C11B9/00Essential oils; Perfumes
    • C11B9/02Recovery or refining of essential oils from raw materials
    • C11B9/027Recovery 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)

Abstract

The invention discloses a camphor oil refining device, which comprises a tank body, a connecting plate, a motor, a connecting shaft, an air injection shaft, a water tank and a stabilizing mechanism, wherein the tank body is provided with a cavity with an upward opening, the air injection shaft is arranged in the cavity, the connecting plate is provided with a groove with a downward opening, the groove is matched with the open end of the tank body, the connecting plate is detachably buckled on the open end of the tank body, the motor is fixedly arranged at the top of the connecting plate, the rotating shaft of the motor is fixedly connected with one end of the connecting shaft, the connecting shaft penetrates through and is rotatably connected with the connecting plate, the other end of the connecting shaft is connected with the top of the air injection shaft, the air injection shaft is vertically arranged, the stabilizing mechanism is used for stabilizing the air injection shaft, the water tank is used for generating water vapor, the top of the water tank is provided with a connecting, the technical problems in the prior art are solved, such as: the utilization rate of camphor tree branches and leaves is low.

Description

Device is refine to cinnamomum camphora oil
Technical Field
The invention relates to the production field of camphor oil, in particular to a camphor oil refining device.
Background
Camphor oil, also known by several names of chinese, camphor oil, camphor wood oil, camphor crude oil. The camphor oil is colorless or yellowish to reddish brown oily liquid in appearance, has strong camphor flavor, and is dissolved in ethanol and diethyl ether; besides 30-55% of camphor, the camphor also contains eucalyptol and terpineol. It is combustible, and may cause combustion danger when it is exposed to high temperature, open fire and oxidant (including nitric acid). Camphor oil is an important raw material in the aspects of modern medicine, metallurgy, chemical industry, spice, food industry, military industry and the like, oil can be extracted from seeds for soap making, and camphor oil are traditional export commodities in China. Yibin essence is called as natural Cinnamomum camphora plantations, which is the biggest Cinnamomum camphora base in China, the yield of Cinnamomum camphora oil accounts for more than 90% of the whole province and more than 70% of the whole country, the yield of the Chinese eucalyptus oil extracted from Cinnamomum camphora oil accounts for 1/3 in the world, and the sale amount of the Yibin essence in the international market is second to Brazil.
Traditional production cinnamomum camphora oil mode among the prior art is usually for placing cinnamomum camphora branch and leaf or root to the retort in distilling, the cinnamomum camphora oil composition in the vapor of production will cinnamomum camphora branch and leaf absorbs and finally discharges, nevertheless adopt this mode to refine, cinnamomum camphora branch and leaf is wherein in the state of piling up, the branch and leaf that is in inside can not be fine by the absorption, and it also can not be fine by vapor to pile up the part that covers, this has just led to cinnamomum camphora branch and leaf low-usage, has influenced cinnamomum camphora oil productivity ratio, it exists: the utilization rate of camphor tree branches and leaves is low.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the object of the present invention is to: the utility model provides a device is refine to cinnamomum camphora oil has solved the technical problem who exists among the prior art, if: the utilization rate of camphor tree branches and leaves is low.
In order to achieve the purpose, the invention provides the following technical scheme:
a device for refining camphor wood oil comprises a tank body, a connecting plate, a motor, a connecting shaft, an air injection shaft, a water tank and a stabilizing mechanism, wherein the tank body is provided with a cavity with an upward opening, the air injection shaft is arranged in the cavity and provided with a groove with a downward opening, the groove is matched with the open end of the tank body, the connecting plate is detachably buckled on the open end of the tank body, the motor is fixedly arranged at the top of the connecting plate, the rotating shaft of the motor is fixedly connected with one end of the connecting shaft, the connecting shaft penetrates through and is rotatably connected with the connecting plate, the other end of the connecting shaft is connected with the top of the air injection shaft, and the air injection shaft is vertically arranged;
the stabilizing mechanism comprises a limiting plate, a clamping block and a supporting seat, the limiting plate and the clamping block are all of hollow circular structures, the bottom of the air injection shaft is arranged in the hollow part of the supporting seat and sequentially penetrates through the limiting plate and the clamping block, the supporting seat is fixedly arranged on the inner wall of the bottom of the cavity, an annular groove matched with the clamping block is formed in the top of the supporting seat, the clamping block is arranged in the annular groove, the top of the clamping block is fixedly connected with the bottom of the limiting plate, and the inner side of the limiting plate is fixedly connected with the air injection shaft;
the water tank is used for producing vapor, and its top is equipped with the connecting pipe, jar body bottom be equipped with the blow vent of the hollow part intercommunication of supporting seat, the connecting pipe is connected the blow vent, a plurality of stirring leaves of jet-propelled axle side fixedly connected with, the jet-propelled axle is equipped with opening cavity of giving vent to anger down, jet-propelled axle side be equipped with a plurality of with the fumarole of giving vent to anger cavity intercommunication.
Furthermore, a sealing ring and a thrust bearing are arranged in the annular groove, the thrust bearing is arranged below the sealing ring, and the bottom of the clamping block is abutted to the sealing ring.
Further, the top of the air injection shaft is provided with an installation cavity with an upward opening, the side face of the connecting shaft is provided with a protrusion, the inner wall of the installation cavity is provided with a limit groove matched with the protrusion, the bottom of the connecting shaft is arranged in the installation cavity, and the protrusion is arranged in the limit groove.
Furthermore, the connecting plate is connected with the tank body through a plurality of screws.
Furthermore, a heating device is arranged in the water tank, and a water filling port is arranged on one side of the water tank.
Further, still include discharge gate and apron, the discharge gate set up in jar side face lower extreme, the discharge gate open end passes through the screw connection the apron.
Further, still include the scraper blade, the bottom of limiting plate is equipped with the support, support bottom fixedly connected with is a plurality of the scraper blade, a plurality of the scraper blade with the supporting seat distributes as central annular array, the scraper blade medial surface with the clearance has between the supporting seat lateral surface, the top height of scraper blade is less than the top height of discharge gate.
Furthermore, the top of the tank body is provided with an exhaust port.
Compared with the prior art, the invention has the following beneficial effects:
1. rotate through the jet-propelled axle, when stirring on one side, vapor constantly mixes camphor tree branch and leaf from the fumarole, make camphor tree branch and leaf abundant and vapor contact, absorb the camphor tree oil composition in camphor tree branch and leaf, and then make the branch and leaf area that vapor can contact more, and under the effect of centrifugal force, vapor can mix camphor tree branch and leaf with bigger impact force, in vertical direction, the ejection vapor of a plurality of fumarole also can the multilevel, finally make vapor and camphor tree branch and leaf mixing degree increase, the beneficial effect of improvement camphor tree branch and leaf absorption rate has been reached.
2. The sealing ring prevents water vapor from overflowing from the rotating end of the jet shaft, and the thrust bearing improves the rotating performance of the jet shaft, so that the beneficial effects of improving the sealing performance and the rotating performance of the jet shaft are achieved.
3. After refining the completion, the motor continues to rotate, and the internal camphor tree branches and leaves of jar then discharge from the discharge gate under scraper blade and action of gravity, has reached to refine the beneficial effect of being convenient for discharge camphor tree branches and leaves after accomplishing.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a device for refining camphor oil according to the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic view showing the fitting relationship between the connecting shaft and the air injection shaft;
in the figure, 1-tank body, 2-limit plate, 3-connecting shaft, 4-connecting plate, 5-motor, 6-air injection shaft, 7-stirring blade, 8-air outlet, 9-discharge port, 10-cover plate, 11-scraper, 12-fixture block, 13-sealing ring, 14-thrust bearing, 15-supporting seat, 16-connecting pipe and 17-connecting pipe.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to fig. 1-3, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, integrally connected, or detachably connected; may be communication within two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.
A device for refining camphor wood oil comprises a tank body 1, a connecting plate 4, a motor 5, a connecting shaft 3, an air injection shaft 6, a water tank 16 and a stabilizing mechanism, wherein the tank body 1 is provided with a cavity with an upward opening, the air injection shaft 6 is arranged in the cavity, the connecting plate 4 is provided with a groove with a downward opening, the groove is matched with the opening end of the tank body 1, the connecting plate 4 is detachably buckled on the opening end of the tank body 1, the motor 5 is fixedly arranged at the top of the connecting plate 4, the rotating shaft of the motor 5 is fixedly connected with one end of the connecting shaft 3, the connecting shaft 3 penetrates through and is rotatably connected with the connecting plate 4, the other end of the connecting shaft 3 is connected with the top of the air injection shaft 6, and the air injection shaft 6;
the stabilizing mechanism comprises a limiting plate 2, a clamping block 12 and a supporting seat 15, the limiting plate 2 and the clamping block 12 are all of a hollow circular ring structure, the bottom of the air injection shaft 6 is arranged in the hollow part of the supporting seat 15 and sequentially penetrates through the limiting plate 2 and the clamping block 12, the supporting seat 15 is fixedly arranged on the inner wall of the bottom of the cavity, an annular groove matched with the clamping block 12 is formed in the top of the supporting seat 15, the clamping block 12 is arranged in the annular groove, the top of the clamping block 12 is fixedly connected with the bottom of the limiting plate 2, and the inner side of the limiting plate 2 is fixedly connected with the air injection shaft 6;
the water tank 16 is used for producing vapor, and its top is equipped with connecting pipe 17, 1 bottom of the jar body be equipped with the blow vent of the hollow portion intercommunication of supporting seat 15, connecting pipe 17 connects the blow vent, 6 side fixedly connected with of jet shaft a plurality of stirring leaves 7, jet shaft 6 is equipped with the opening air cavity of giving vent to anger down, 6 side of jet shaft be equipped with a plurality of with go out the fumarole of air cavity intercommunication.
The diameter of limiting plate 2 is greater than the diameter of fixture block 12 and supporting seat 15, there is the clearance between fixture block 12 medial surface and the jet-propelled axle 6, fixture block 12 plays sealed effect in the ring channel of supporting seat 15, make vapor can only enter into the intracavity of giving vent to anger of jet-propelled axle 6 from the supporting seat 15, connecting pipe 17 is soft water pipe, it communicates with 16 insides of water tank, can be the form of ordinary grafting between the air vent of its top and jar body 1 bottom, also can pass through water pipe joint and connect, stirring leaf 7 plays the stirring effect, and have certain cutting function, make the interior camphor tree branch leaf of jar body 1 repeatedly mix with vapor, evenly respectively on jet-propelled axle 6 in the vertical direction of a plurality of fumaroles.
In specific implementation, the connecting plate 4 is opened, camphor tree branches and leaves are placed into the tank body 1, then the connecting plate 4 is buckled, the motor 5 drives the connecting shaft 3 and the air injection shaft 6 to rotate, the stirring blades 7 start stirring, water vapor generated by the water tank 16 moves upwards into the connecting pipe 17 and enters the hollow part of the supporting seat 15, then the water vapor continuously rises into the air outlet cavity of the air injection shaft 6 and finally is sprayed out from the air injection holes of the air injection shaft 6, the water vapor is continuously mixed into the camphor tree branches and leaves while stirring because the stirring blades 7 are stirring at the moment, the camphor tree branches and leaves are fully contacted with the water vapor, camphor oil components in the camphor tree branches and leaves are absorbed, further the water vapor can contact with more branch and leaf areas, the water vapor can be mixed with larger impact force of the camphor tree branches and leaves under the action of centrifugal force, and the air injection holes can spray the water vapor in multiple levels in the vertical direction, finally, the mixing degree of the water vapor and the camphor tree branches and leaves is increased, and the beneficial effect of improving the absorptivity of the camphor tree branches and leaves is achieved.
Further, a sealing ring 13 and a thrust bearing 14 are arranged in the annular groove, the thrust bearing 14 is arranged below the sealing ring 13, and the bottom of the clamping block 12 is abutted to the sealing ring 13.
The sealing ring 13 is in a squeezed state, plays a role in sealing, prevents water vapor from overflowing from the rotating end of the jet shaft 6, and the thrust bearing 14 improves the rotating performance of the jet shaft 6, so that the beneficial effects of improving the sealing performance and the rotating performance of the jet shaft 6 are achieved.
Further, 6 tops of gas injection shaft are equipped with the installation cavity of opening up, 3 sides of connecting axle are equipped with the arch, installation intracavity wall be equipped with the spacing groove of protruding adaptation, 3 bottoms of connecting axle set up in the installation cavity, the arch set up in the spacing inslot.
The installation cavity and the air outlet cavity of the air injection shaft 6 are not communicated, the side surface of the connecting shaft 3 protrudes to generate circumferential restraint on the air injection shaft 6, so that the air injection shaft 6 rotates together with the air injection shaft, and the connecting plate 4 and the connecting shaft 3 can be taken out by axially and upwards sliding the connecting shaft 3.
Further, the connecting plate 4 is connected with the tank body 1 through a plurality of screws.
Connect the connection jar body 1 through connecting plate 4 screwed connection, the side arch of connecting axle 3 produces circumference restraint to jet-propelled axle 6, takes off the screw and upwards slides and can take out connecting plate 4 and connecting axle 3 to later upwards slide can take out jet-propelled axle 6, reached convenient to install and dismantle beneficial effect.
Further, a heating device is arranged in the water tank 16, a water filling port is arranged on one side of the water tank 16 and used for filling water into the water tank 16, and the heating device can be a quick heater.
Further, still include discharge gate 9 and apron 10, discharge gate 9 set up in 1 side lower extreme of the jar body, 9 open ends of discharge gate pass through the screw connection apron 10.
Further, still include scraper blade 11, the bottom of limiting plate 2 is equipped with the support, support bottom fixedly connected with is a plurality of scraper blade 11, a plurality of scraper blade 11 with supporting seat 15 distributes for central annular array, 11 medial surfaces of scraper blade with the clearance has between the 15 lateral surfaces of supporting seat, the top height of scraper blade 11 is less than the top height of discharge gate 9.
Within the upper and lower both ends scope that scraper blade 11 upper and lower both ends are in discharge gate 9, less clearance has between the inner wall of scraper blade 11 and the 1 cavity bottom of the jar body, when jet-propelled axle 6 rotates, scraper blade 11 stirs the camphor tree branch and leaf that is in the bottom promptly, and after refining the completion, open apron 10, motor 5 continues to rotate, the camphor tree branch and leaf in the jar body 1 then discharges from discharge gate 9 under scraper blade 11 and action of gravity, reached and refined the beneficial effect of being convenient for discharge camphor tree branch and leaf after the completion.
Further, jar body 1 top is equipped with gas vent 8, and the steam that contains camphor wood oil in the jar body 1 finally discharges from gas vent 8 to jar body 1 bottom still is equipped with the leakage fluid dram, and the steam that has been condensed then discharges from the leakage fluid dram, all is equipped with corresponding valve on leakage fluid dram and the gas vent 8.
The heating device, the motor 5 and the stirring blade 7 are conventional technologies, and the installation and connection mode can be completely realized by people in the technical field, and the invention does not relate to the modification of the heating device, the motor 5 and the stirring blade 7 and is not described in detail.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments in the above-described embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition. In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims (8)

1. The utility model provides a cinnamomum camphora oil refines device, its characterized in that, includes jar body (1), connecting plate (4), motor (5), connecting axle (3), jet-propelled axle (6), water tank (16) and stabilizing mean, jar body (1) is equipped with opening cavity up, jet-propelled axle (6) set up in the cavity, connecting plate (4) are equipped with opening recess down, the recess with jar body (1) open end adaptation, connecting plate (4) detachably lock is in the opening of jar body (1) is served, motor (5) fixed mounting in the top of connecting plate (4), motor (5) axis of rotation fixed connection the one end of connecting axle (3), connecting axle (3) run through and rotate and connect connecting plate (4), the top of jet-propelled axle (6) is connected to the connecting axle (3) other end, the air injection shaft (6) is vertically arranged;
the stabilizing mechanism comprises a limiting plate (2), a clamping block (12) and a supporting seat (15), the limiting plate (2) and the clamping block (12) are of a hollow circular ring structure, the bottom of the air injection shaft (6) is arranged in a hollow part of the supporting seat (15) and sequentially penetrates through the limiting plate (2) and the clamping block (12), the supporting seat (15) is fixedly arranged on the inner wall of the bottom of the cavity, an annular groove matched with the clamping block (12) is formed in the top of the supporting seat (15), the clamping block (12) is arranged in the annular groove, the top of the clamping block (12) is fixedly connected with the bottom of the limiting plate (2), and the inner side of the limiting plate (2) is fixedly connected with the air injection shaft (6);
water tank (16) are used for producing vapor, and its top is equipped with connecting pipe (17), jar body (1) bottom be equipped with the blow vent of the hollow portion intercommunication of supporting seat (15), connecting pipe (17) are connected the blow vent, a plurality of stirring leaves (7) of gas injection axle (6) side fixedly connected with, gas injection axle (6) are equipped with opening air cavity down, gas injection axle (6) side be equipped with a plurality of with the fumarole of air cavity intercommunication.
2. The device for extracting camphor wood oil as claimed in claim 1, wherein a sealing ring (13) and a thrust bearing (14) are arranged in said annular groove, said thrust bearing (14) is disposed below said sealing ring (13), and the bottom of said fixture block (12) is abutted to said sealing ring (13).
3. The device for refining camphor wood oil as recited in claim 1, wherein the top of the air injection shaft (6) is provided with an installation cavity with an upward opening, the side of the connecting shaft (3) is provided with a protrusion, the inner wall of the installation cavity is provided with a limit groove matched with the protrusion, the bottom of the connecting shaft (3) is arranged in the installation cavity, and the protrusion is arranged in the limit groove.
4. The device for refining camphor oil as claimed in claim 1, wherein said connecting plate (4) is connected to said tank (1) by means of screws.
5. The device for refining camphor oil as recited in claim 1, wherein a heating device is disposed in said water tank (16), and a water filling opening is disposed at one side of said water tank (16).
6. The device for refining camphor wood oil as claimed in claim 1, further comprising a discharge port (9) and a cover plate (10), wherein the discharge port (9) is disposed at the lower end of the side surface of the tank body (1), and the open end of the discharge port (9) is connected with the cover plate (10) through a screw.
7. The device for extracting camphor wood oil as claimed in claim 6, further comprising scrapers (11), wherein a support is disposed at the bottom of the limiting plate (2), the support is fixedly connected with a plurality of scrapers (11) at the bottom, the scrapers (11) are distributed in an annular array with the supporting seat (15) as the center, a gap is formed between the inner side surface of each scraper (11) and the outer side surface of the supporting seat (15), and the top height of each scraper (11) is lower than the top height of the discharge port (9).
8. The device for refining camphor oil as claimed in claim 1, wherein the top of the tank (1) is provided with an exhaust port (8).
CN202110146191.2A 2021-02-02 2021-02-02 Device is refine to cinnamomum camphora oil Pending CN112940865A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110146191.2A CN112940865A (en) 2021-02-02 2021-02-02 Device is refine to cinnamomum camphora oil

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Application Number Priority Date Filing Date Title
CN202110146191.2A CN112940865A (en) 2021-02-02 2021-02-02 Device is refine to cinnamomum camphora oil

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107779264A (en) * 2017-12-04 2018-03-09 李玉娟 For extracting the vapor can of fruits and vegetables essential oil
CN107937136A (en) * 2017-12-04 2018-04-20 李玉娟 Cooker with three-dimensional steam stream
CN107987971A (en) * 2017-12-04 2018-05-04 李玉娟 High-efficiency steam extractor
CN110408470A (en) * 2019-08-28 2019-11-05 明光市左方生物科技有限公司 A kind of wormwood essential oil distillation extraction element
CN110484371A (en) * 2019-08-29 2019-11-22 大冶海通热工技术有限公司 A kind of essential oil extraction device and Rosa Damascana extracting method
CN210140570U (en) * 2019-11-15 2020-03-13 海南女人春天美容有限公司 Plant essential oil extraction device
CN111481957A (en) * 2020-05-21 2020-08-04 江西依思特香料有限公司 Quick condensing equipment is used in extraction of essence spices

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107779264A (en) * 2017-12-04 2018-03-09 李玉娟 For extracting the vapor can of fruits and vegetables essential oil
CN107937136A (en) * 2017-12-04 2018-04-20 李玉娟 Cooker with three-dimensional steam stream
CN107987971A (en) * 2017-12-04 2018-05-04 李玉娟 High-efficiency steam extractor
CN110408470A (en) * 2019-08-28 2019-11-05 明光市左方生物科技有限公司 A kind of wormwood essential oil distillation extraction element
CN110484371A (en) * 2019-08-29 2019-11-22 大冶海通热工技术有限公司 A kind of essential oil extraction device and Rosa Damascana extracting method
CN210140570U (en) * 2019-11-15 2020-03-13 海南女人春天美容有限公司 Plant essential oil extraction device
CN111481957A (en) * 2020-05-21 2020-08-04 江西依思特香料有限公司 Quick condensing equipment is used in extraction of essence spices

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Application publication date: 20210611