CN111548858A - Device for extracting spice by organic solvent saturated steam in segmented manner and using method thereof - Google Patents
Device for extracting spice by organic solvent saturated steam in segmented manner and using method thereof Download PDFInfo
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- CN111548858A CN111548858A CN202010442979.3A CN202010442979A CN111548858A CN 111548858 A CN111548858 A CN 111548858A CN 202010442979 A CN202010442979 A CN 202010442979A CN 111548858 A CN111548858 A CN 111548858A
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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
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Abstract
The invention discloses a device for extracting spices by organic solvent saturated steam in a segmented manner and a using method thereof, and the device comprises a reaction kettle, wherein an electric heating sleeve is arranged on the side wall of the reaction kettle, the bottom of the reaction kettle is connected with a liquid inlet pipe, and a control valve A is arranged on the liquid inlet pipe; the top of the reaction kettle is connected with a condenser pipe, the condenser pipe is provided with a pressure reducing valve and a tube array condenser, the reaction kettle is communicated with the spice tank through the condenser pipe, and the bottom of the condenser pipe is connected with a spraying device; the spray device is provided with a folded spray pipe, an outlet is formed in the side wall of the spray pipe, spice is placed in the spice jar, and heat-preservation cotton is arranged on the outer wall of the spice jar. The invention adopts organic vapor solvent molecular diffusion to carry out gas-liquid mixed extraction, satisfies the requirement of sectional extraction of components, and plays a certain role in separation.
Description
Technical Field
The invention relates to the technical field of spice extraction, in particular to a device for extracting spices by organic solvent saturated steam in a segmented manner and a using method thereof.
Background
The perfume is also called as a fragrant raw material, is a substance which can be smelled to smell or smells to produce fragrance, and is used for preparing essence. Most of the perfumes cannot be used alone except for individual species. The perfume is divided into natural perfume and artificial perfume, wherein the natural perfume comprises animal natural perfume and plant natural perfume; artificial flavors include both isolated flavors and synthetic flavors.
The perfume contains fragrance, the fragrance in the perfume can be extracted by a solvent, and the fragrance components in the extracting solution are extracted by sections according to different selection conditions. The fractions of the extract vary and can be used to make different products. Therefore, the device for extracting the spice by the saturated steam of the organic solvent in a sectional way is beneficial to the actual requirement.
Disclosure of Invention
The invention aims to provide a device for extracting spices by organic solvent saturated steam in a segmented mode and a using method thereof, and solves the problem that the aroma in the spices is difficult to recover and extract.
In order to solve the technical problems, the invention adopts the following technical scheme:
a device for extracting spice by organic solvent saturated steam in a segmented manner comprises a reaction kettle, wherein an electric heating sleeve is arranged on the side wall of the reaction kettle, the bottom of the reaction kettle is connected with a liquid inlet pipe, and a control valve A is arranged on the liquid inlet pipe;
the top of the reaction kettle is connected with a condenser pipe, the condenser pipe is provided with a pressure reducing valve and a tube array condenser, the reaction kettle is communicated with the spice tank through the condenser pipe, and the bottom of the condenser pipe is connected with a spraying device;
the spraying device is a broken line type spraying pipe, an outlet is arranged on the side wall of the spraying pipe,
spices are placed in the spice jar, and the outer wall of the spice jar is provided with heat preservation cotton.
Further, the method comprises the following steps of; the bottom of the spice jar is connected with an output tube, a coiled condenser is arranged on the output tube, the bottom of the output tube is connected with a three-way valve, the three-way valve is connected with three liquid storage tubes, the liquid storage tubes are connected with a collecting tank, the bottom of the collecting tank is connected with a liquid discharge tube, and a control valve B is arranged on the liquid discharge tube.
Further, the method comprises the following steps of; the reaction kettle is provided with a pressure sensor and a temperature sensor, a probe of the temperature sensor is arranged in the reaction kettle, the top of the reaction kettle is connected with an exhaust pipe, the exhaust pipe is provided with a control valve C, and the pressure sensor, the temperature sensor and the control valve C are all connected with a first controller.
Further, the method comprises the following steps of; a curved spice output groove is formed in the spice tank, a feeding hole and a discharging hole of the spice output groove are formed in one side of the spice tank, and the feeding hole and the discharging hole of the spice output groove are both connected with the middle groove;
the bottom of the middle groove is connected with an electric telescopic rod, the electric telescopic rod is electrically connected with a first reciprocating motor, a first controller is connected with a timer, one end of the electric telescopic rod is fixedly arranged on the bottom wall of the middle groove, one end of the electric telescopic rod is connected with an inclined push plate, and two ends of the push plate are attached to the middle groove;
the bottom wall of the middle groove is lower than the discharge port of the spice output groove, a clamping groove is formed in the outer wall of the lower wall of the middle groove at the discharge port of the spice output groove, a baffle is arranged in the clamping groove, a moving shaft is arranged in the clamping groove and on the side wall of the baffle, and the moving shaft is electrically connected with a second reciprocating motor;
the lower wall of the spice output groove on the baffle is provided with a groove hole, and the size of the groove hole is matched with that of the baffle;
the first reciprocating motor and the second reciprocating motor are connected with a second controller;
openings are arranged on the spice output groove and the middle groove wall.
Further, the method comprises the following steps of; the bottom of the spice jar is provided with a vibration net which is connected with a driving motor.
Further, the method comprises the following steps of; the upper side wall and the lower side wall of the spice tank are respectively connected with a feeding pipe and a discharging pipe, the feeding pipe is communicated with the upper part of the middle groove, the discharging pipe is communicated with the lower part of the middle groove, and rotary valves are arranged on the feeding pipe and the discharging pipe.
The invention discloses a using method of a device for extracting spice in sections, which comprises the following steps: step 1) a solvent enters a reaction kettle from a liquid inlet pipe, the solvent enters the reaction kettle, the reaction kettle is heated through an electric heating sleeve, solvent steam generated by heating passes through a condensing pipe, a pipe-array condenser on the condensing pipe plays a role in condensation, condensed post solvent and incompletely condensed solvent steam enter a spice tank and are sprayed onto spices through an outlet of a broken line type spraying pipe of a spraying device, the condensed post solvent and the incompletely condensed solvent steam are attached to the spices and adsorb and extract aroma molecules in the spices of the spices, and the aroma enters the condensed post solvent and the incompletely condensed solvent steam, so that the adsorption and extraction of the aroma are realized;
condensing the condensed post-solvent and the incompletely condensed solvent steam again through a coil condenser communicated with an output pipe of the spice tank, outputting the condensed solvent with fragrance through a three-way valve, and collecting the fragrance condensed solvent in a collection tank in a sectional manner according to time and the temperature of the steam in the reaction kettle;
and 3) monitoring the pressure in the reaction kettle by the pressure sensor, adjusting the pressure of the reaction kettle by opening the control valve C when the pressure is higher, monitoring the temperature in the reaction kettle by the temperature sensor, and determining whether to open the pressure reducing valve according to the heated temperature.
Further, the method comprises the following steps of; the method also comprises the following steps:
step 4) the spice in the spice tank (8) moves from top to bottom in the curved spice output groove, so that the spice is contacted with the condensed post solvent and the incompletely condensed solvent steam, the spice in the spice output groove enters the push plate of the middle groove, the electric telescopic rod is driven to move upwards at regular time to convey the spice to the upper part of the spice output groove,
and 5) when the push plate moves upwards, the baffle plate moves upwards by a moving shaft electrically connected with the second reciprocating motor, and the baffle plate blocks the outlet of the spice output groove through the slotted hole.
Further, the method comprises the following steps of; the solvent in step 1 of the method is as follows: one or more of ethanol, petroleum ether, n-hexane, propylene glycol and glycerol.
Further, the method comprises the following steps of; the steam temperature in step 2 of the method is 70-250 ℃.
Compared with the prior art, the invention has at least one of the following beneficial effects:
1. organic vapor solvent molecule diffusion is adopted for gas-liquid mixed extraction, so that the requirement of sectional extraction of components is met, and a certain separation effect is achieved.
2. Solvent is fed into the reaction kettle from a liquid inlet pipe, and the solvent is as follows: ethanol, petroleum ether, n-hexane, propylene glycol, glycerol etc., the solvent enters into reation kettle, reation kettle heats through the electric heating cover, the solvent steam that the heating produced passes through the condenser pipe, the tubulation condenser on the condenser pipe plays the effect of condensation, the back solvent of condensation and the effect of the complete condensation solvent steam of not entering into the spices jar, the export of broken line type shower pipe through spray set sprays on the spices, the back solvent of condensation and the effect of complete condensation solvent steam of not attaching to on the spices and to the fragrance molecule in the spices of spices adsorb the extraction, fragrance enters into the back solvent of condensation and the effect of complete condensation solvent steam of not, the adsorption and extraction of fragrance has been realized.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of the interior of the fragrance can of the present invention.
Drawing: reaction kettle (1), electric heating jacket (2), liquid inlet pipe (3), control valve A (4), condenser pipe (5), relief pressure valve (6), tubulation condenser (7), perfume tank (8), spray set (9), heat preservation cotton (10), output tube (11), coiled condenser (12), three-way valve (13), liquid storage pipe (14), collecting tank (15), fluid-discharge tube (16), pressure sensor (17), temperature sensor (18), blast pipe (19), control valve C (20), first controller (21), perfume delivery tank (22), middle groove (23), electric telescopic handle (24), first reciprocating motor (25), first controller (26), timer (27), control valve B (28), push pedal (29), draw-in groove (30), baffle (31), removal axle (32), second reciprocating motor (33), second controller (34), The device comprises a vibration net (35), a driving motor (36), a feeding pipe (37), a discharging pipe (38) and a rotary valve (39).
Detailed Description
Fig. 1-2 are schematic views illustrating the present invention, and the following detailed description is provided with reference to the accompanying drawings and embodiments for better understanding the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
a device for extracting spice by organic solvent saturated steam in a segmented manner comprises a reaction kettle 1, wherein an electric heating sleeve 2 is arranged on the side wall of the reaction kettle 1, the bottom of the reaction kettle 1 is connected with a liquid inlet pipe 3, and a control valve A4 is arranged on the liquid inlet pipe 3;
the top of the reaction kettle 1 is connected with a condenser pipe 5, the condenser pipe 5 is provided with a pressure reducing valve 6 and a tube array condenser 7, the reaction kettle 1 is communicated with a spice tank 8 through the condenser pipe 5, and the bottom of the condenser pipe 5 is connected with a spraying device 9;
the spraying device 9 is a broken line type spraying pipe, an outlet is arranged on the side wall of the spraying pipe,
spices are placed in the spice tank 8, and heat insulation cotton 10 is arranged on the outer wall of the spice tank 8; solvent is fed into the reaction kettle 1 from a liquid inlet pipe 3, and the solvent is as follows: ethanol, petroleum ether, n-hexane, propylene glycol, glycerol, etc., the solvent enters into reation kettle 1, reation kettle 1 heats through electric heating jacket 2, the solvent steam that the heating produced passes through condenser pipe 5, tubulation condenser 7 on condenser pipe 5 plays the effect of condensation, the back solvent of condensation and the effect of the complete condensation solvent steam of not entering into spices jar 8, the export of the broken line type shower pipe through spray set 9 sprays on the spices, the back solvent of condensation and the complete condensation solvent steam of not attaching to spices and carry out the adsorption and extraction to the fragrance molecule in the spices of spices, fragrance enters into the back solvent of condensation and the complete condensation solvent steam of not, the adsorption and extraction of fragrance has been realized.
Example 2:
on the basis of embodiment 1, the bottom of a spice jar 8 is connected with an output pipe 11, the output pipe 11 is provided with a coiled condenser 12, the bottom of the output pipe 11 is connected with a three-way valve 13, the three-way valve 13 is connected with three liquid storage pipes 14, the liquid storage pipes 14 are connected with a collection jar 15, the bottom of the collection jar 15 is connected with a liquid discharge pipe 16, and the liquid discharge pipe 16 is provided with a control valve B28; the condensed post solvent and the incompletely condensed solvent steam are condensed again through a coil condenser 12 communicated with an output pipe 11 of the spice tank 8, the condensed solvent with the fragrance after condensation is output through a three-way valve 13, and the fragrance condensed solvent can be collected in a collection tank 15 in a segmented manner according to time, the steam temperature in the reaction kettle 1 and the like.
Example 3:
on the basis of the embodiment 1-2, the reaction kettle 1 is provided with a pressure sensor 17 and a temperature sensor 18, a probe of the temperature sensor 18 is arranged in the reaction kettle 1, the top of the reaction kettle 1 is connected with an exhaust pipe 19, the exhaust pipe 19 is provided with a control valve C20, and the pressure sensor 17, the temperature sensor 18 and the control valve C20 are all connected with a first controller 21; the pressure sensor 17 monitors the pressure in the reaction vessel 1, and when the pressure is large, the pressure in the reaction vessel 1 is adjusted by opening the control valve C20, and the temperature sensor 18 monitors the temperature in the reaction vessel 1, and determines whether to open the pressure reducing valve 6 according to the heated temperature.
Example 4:
on the basis of the embodiments 1-3, a curved spice output groove 22 is arranged in the spice tank 8, a feeding hole and a discharging hole of the spice output groove 22 are both arranged at one side of the spice tank 8, and the feeding hole and the discharging hole of the spice output groove 22 are both connected with an intermediate groove 23;
the bottom of the middle groove 23 is connected with an electric telescopic rod 24, the electric telescopic rod 24 is electrically connected with a first reciprocating motor 25, a first controller 26 is connected with a timer 27, one end of the electric telescopic rod 24 is fixedly arranged on the bottom wall of the middle groove 23, one end of the electric telescopic rod 24 is connected with an inclined push plate 29, and two ends of the push plate 29 are attached to the middle groove 23;
the bottom wall of the middle groove 23 is lower than the discharge port of the spice output groove 22, the outer wall of the lower wall of the middle groove 23 at the discharge port of the spice output groove 22 is provided with a clamping groove 30, a baffle plate 31 is arranged in the clamping groove 30, a moving shaft 32 is arranged in the clamping groove 30, the moving shaft 32 is arranged on the side wall of the baffle plate 31, and the moving shaft 32 is electrically connected with a second reciprocating motor 33;
the lower wall of the spice output groove 22 on the baffle plate 31 is provided with a slotted hole, and the size of the slotted hole is matched with that of the baffle plate 31;
the first reciprocating motor 25 and the second reciprocating motor 33 are both connected with a second controller 34;
the perfume output groove 22 and the middle groove 23 are provided with openings on the wall; spices in spice jar 8 is from top to bottom moving at curved spices delivery chute 22, can make the better back solvent with the condensation of spices and the contact of complete condensation solvent steam not, spices of spices delivery chute 22 enters into on the push pedal 29 of middle groove 23, can regularly make electric telescopic handle 24 up move, transport spices upper portion of spices delivery chute 22, certain mixed action has, and when push pedal 29 up moved, the removal axle 32 that the second reciprocating motor 33 electricity is connected makes baffle 31 up move, baffle 31 blocks the export of spices delivery chute 22 through the slotted hole, do benefit to the recovery of fragrance. The above steps are all technical key points of the whole steps, and not all the steps are described.
Example 5:
on the basis of the embodiments 1 to 4, the bottom of the spice tank 8 is provided with a vibration net 35, and the vibration net 35 is connected with a driving motor 36; the spice in the spice tank 8 is recovered, and the spice may have some slag and the like, and the slag stays on the vibration net 35, so that the condensed solvent with the spice can better pass through.
Example 6:
on the basis of the embodiments 1-5, the upper and lower side walls of the spice jar 8 are respectively connected with a feeding pipe 37 and a discharging pipe 38, the feeding pipe 37 is communicated with the upper part of the middle groove 23, the discharging pipe 38 is communicated with the lower part of the middle groove 23, and the feeding pipe 37 and the discharging pipe 38 are both provided with rotary valves 39; the perfume raw materials can be supplemented conveniently, and the fragrance can be recovered in the perfume tank 8 for a certain time and then output, so that the requirement is met.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (9)
1. The utility model provides an organic solvent saturated steam segmentation draws spices device, includes reation kettle (1), its characterized in that: the side wall of the reaction kettle (1) is provided with an electric heating sleeve (2), the bottom of the reaction kettle (1) is connected with a liquid inlet pipe (3), and the liquid inlet pipe (3) is provided with a control valve A (4);
the top of the reaction kettle (1) is connected with a condenser pipe (5), a pressure reducing valve (6) and a tube array condenser (7) are arranged on the condenser pipe (5), the reaction kettle (1) is communicated with a spice tank (8) through the condenser pipe (5), and the bottom of the condenser pipe (5) is connected with a spraying device (9);
the spraying device (9) is a broken line type spraying pipe, an outlet is arranged on the side wall of the spraying pipe,
spice is placed in the spice tank (8), and heat insulation cotton (10) is arranged on the outer wall of the spice tank (8); output tube (11) is connected to spice jar (8) bottom, is provided with coiled condenser (12) on output tube (11), and three-way valve (13) are connected to output tube (11) bottom, and three liquid storage pipes (14) are connected to three-way valve (13), and collecting vessel (15) are connected in liquid storage pipe (14), and fluid-discharge tube (16) are connected to collecting vessel (15) bottom, are provided with control valve B (28) on fluid-discharge tube (16).
2. The device for extracting the spice by the segmentation of the saturated steam of the organic solvent as claimed in claim 1, wherein: the reaction kettle (1) is provided with a pressure sensor (17) and a temperature sensor (18), a probe of the temperature sensor (18) is arranged in the reaction kettle (1), the top of the reaction kettle (1) is connected with an exhaust pipe (19), the exhaust pipe (19) is provided with a control valve C (20), and the pressure sensor (17), the temperature sensor (18) and the control valve C (20) are all connected with a first controller (21).
3. The device for extracting the spice by the segmentation of the saturated steam of the organic solvent as claimed in claim 1, wherein: a curved spice output groove (22) is formed in the spice tank (8), a feeding hole and a discharging hole of the spice output groove (22) are formed in one side of the spice tank (8), and the feeding hole and the discharging hole of the spice output groove (22) are both connected with a middle groove (23); the bottom of the middle groove (23) is connected with an electric telescopic rod (24), the electric telescopic rod (24) is electrically connected with a first reciprocating motor (25), a first controller (26) is connected with a timer (27), one end of the electric telescopic rod (24) is fixedly arranged on the bottom wall of the middle groove (23), one end of the electric telescopic rod (24) is connected with an inclined push plate (29), and two ends of the push plate (29) are attached to the middle groove (23); the bottom wall of the middle groove (23) is lower than the discharge port of the spice output groove (22), a clamping groove (30) is formed in the outer wall of the lower wall of the middle groove (23) at the discharge port of the spice output groove (22), a baffle plate (31) is arranged in the clamping groove (30), a moving shaft (32) is arranged in the clamping groove (30), the moving shaft (32) is arranged on the side wall of the baffle plate (31), and the moving shaft (32) is electrically connected with a second reciprocating motor (33); the lower wall of the spice output groove (22) on the baffle plate (31) is provided with a slotted hole, and the size of the slotted hole is matched with that of the baffle plate (31); the first reciprocating motor (25) and the second reciprocating motor (33) are connected with a second controller (34); the perfume output groove (22) and the middle groove (23) are provided with openings on the wall.
4. The device for extracting the spice by the segmentation of the saturated steam of the organic solvent as claimed in claim 1, wherein: the bottom of the spice jar (8) is provided with a vibration net (35), and the vibration net (35) is connected with a driving motor (36).
5. The device for extracting the spice by the segmentation of the saturated steam of the organic solvent as claimed in claim 1, wherein: the upper side wall and the lower side wall of the spice tank (8) are respectively connected with a feeding pipe (37) and a discharging pipe (38), the feeding pipe (37) is communicated with the upper part of the middle groove (23), the discharging pipe (38) is communicated with the lower part of the middle groove (23), and rotary valves (39) are arranged on the feeding pipe (37) and the discharging pipe (38).
6. A method of using a segmented flavor extractor as claimed in claim 3, comprising the steps of: step 1) a solvent enters a reaction kettle (1) from a liquid inlet pipe (3), the solvent enters the reaction kettle (1), the reaction kettle (1) is heated through an electric heating sleeve (2), solvent steam generated by heating passes through a condensing pipe (5), a pipe column condenser (7) on the condensing pipe (5) has a condensing effect, condensed post solvent and incompletely condensed solvent steam enter a spice tank (8), the condensed post solvent and incompletely condensed solvent steam are sprayed on spices through an outlet of a broken line type spraying pipe of a spraying device (9), the condensed post solvent and incompletely condensed solvent steam are attached to the spices and adsorb and extract aroma molecules in the spices of the spices, and the aroma enters the condensed post solvent and the incompletely condensed solvent steam, so that the adsorption and extraction of the aroma are realized;
the condensed post-solvent and the incompletely condensed solvent steam in the step 2) are condensed again through a coil condenser (12) communicated with an output pipe (11) of a spice tank (8), the condensed solvent with fragrance is output through a three-way valve (13), and the fragrance condensed solvent is collected in a collection tank (15) in a sectional manner according to time and the steam temperature in the reaction kettle (1);
and 3) monitoring the pressure in the reaction kettle (1) by the pressure sensor (17), adjusting the pressure of the reaction kettle (1) by opening the control valve C (20) when the pressure is higher, monitoring the temperature in the reaction kettle (1) by the temperature sensor (18), and determining whether to open the pressure reducing valve (6) according to the heated temperature.
7. Use according to claim 6, characterized in that it further comprises the following steps:
step 4), the spice in the spice tank (8) moves from top to bottom in the curved spice output groove (22) to ensure that the spice is contacted with the condensed post solvent and the incompletely condensed solvent steam, the spice in the spice output groove (22) enters a push plate (29) of the middle groove (23), the electric telescopic rod (24) is moved upwards at regular time to convey the spice to the upper part of the spice output groove (22),
and 5) when the push plate (29) moves upwards, the baffle plate (31) moves upwards through the moving shaft (32) electrically connected with the second reciprocating motor (33), and the baffle plate (31) blocks the outlet of the spice output groove (22) through the slotted hole.
8. The use method according to claim 6, wherein the solvent in step 1 of the method is: one or more of ethanol, petroleum ether, n-hexane, propylene glycol and glycerol.
9. Use according to claim 6, wherein the steam temperature in step 2 of the method is 70 ℃ to 250 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442979.3A CN111548858B (en) | 2020-05-22 | 2020-05-22 | Device for extracting perfume by organic solvent saturated steam in segmented mode and application method of device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442979.3A CN111548858B (en) | 2020-05-22 | 2020-05-22 | Device for extracting perfume by organic solvent saturated steam in segmented mode and application method of device |
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| CN111548858A true CN111548858A (en) | 2020-08-18 |
| CN111548858B CN111548858B (en) | 2023-10-20 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676074A (en) * | 2004-03-31 | 2005-10-05 | 李淑召 | Threephase extracting intelligent tea set |
| CN102250689A (en) * | 2011-05-30 | 2011-11-23 | 新疆大学 | Equipment and method for extracting perfume plant essential oil by reduced pressure steam distillation |
| CN104017649A (en) * | 2013-03-29 | 2014-09-03 | 洛阳春魁农业开发有限公司 | Preparation method and device of peony and arabian jasmine flower mixed essential oil |
-
2020
- 2020-05-22 CN CN202010442979.3A patent/CN111548858B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676074A (en) * | 2004-03-31 | 2005-10-05 | 李淑召 | Threephase extracting intelligent tea set |
| CN102250689A (en) * | 2011-05-30 | 2011-11-23 | 新疆大学 | Equipment and method for extracting perfume plant essential oil by reduced pressure steam distillation |
| CN104017649A (en) * | 2013-03-29 | 2014-09-03 | 洛阳春魁农业开发有限公司 | Preparation method and device of peony and arabian jasmine flower mixed essential oil |
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