CN115322835A - Integrated device for extracting fir essential oil and extraction method - Google Patents
Integrated device for extracting fir essential oil and extraction method Download PDFInfo
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- CN115322835A CN115322835A CN202210961384.8A CN202210961384A CN115322835A CN 115322835 A CN115322835 A CN 115322835A CN 202210961384 A CN202210961384 A CN 202210961384A CN 115322835 A CN115322835 A CN 115322835A
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- 239000000341 volatile oil Substances 0.000 title claims abstract description 31
- 238000000605 extraction Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000007704 transition Effects 0.000 claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 238000004821 distillation Methods 0.000 claims abstract description 27
- 238000000197 pyrolysis Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002023 wood Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000011276 wood tar Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 235000021419 vinegar Nutrition 0.000 claims abstract description 6
- 239000000052 vinegar Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000010627 cedar oil Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 10
- 244000050510 Cunninghamia lanceolata Species 0.000 claims description 7
- 230000005570 vertical transmission Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 claims description 6
- 150000002978 peroxides Chemical class 0.000 claims description 4
- 150000003254 radicals Chemical class 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007342 radical addition reaction Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000001256 steam distillation Methods 0.000 abstract description 7
- 239000003610 charcoal Substances 0.000 abstract description 3
- 241000218645 Cedrus Species 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000010645 fir oil Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007443 liposuction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- 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)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses a fir essential oil extraction integrated device and an extraction method, and the device comprises a base, wherein a distillation kettle is fixedly arranged on the inner side of a rack, the bottom of the distillation kettle is provided with an opening, a bottom sealing plate for sealing the opening is arranged on the upper side of the base, the bottom of a reaction kettle is provided with a one-way suction nozzle communicated with a transition kettle, a stirring mechanism for fusing mixed liquid is arranged in the reaction kettle, and a collection tank is arranged on the inner side of the rack. In the invention, by integrating the steam distillation and the dry distillation into a whole, the essential oil extracted by the method has high yield, and products such as wood vinegar, wood tar, charcoal, non-condensable combustible gas and the like are simultaneously produced.
Description
Technical Field
The invention relates to the technical field of essential oil extraction, in particular to an integrated device and an extraction method for fir essential oil extraction.
Background
The essential oil extraction method refers to a method for extracting essential oil from plants. Common methods for extracting essential oil include steam distillation, freezing and compressing (squeezing), chemical solvent extraction, oil separation (liposuction), carbon dioxide extraction, and soaking.
At present, pure water steam distillation extraction technology is basically adopted for extracting aromatic essential oil, the aromatic essential oil such as cedar and the like obtained by the method is clear and transparent, has pure and true aroma and can be directly used for blending fragrance, but the yield is low, the yield of the cedar essential oil is only 1% -2%, the steam-dry distillation integrated extraction technology is a technology integrating steam distillation and dry distillation, the extraction yield of the essential oil is high, wood vinegar, wood tar, charcoal, non-condensable combustible gas and other products are simultaneously produced, but the cedar essential oil obtained by the method has deeper color, particularly has obvious smoke tar smell and brings adverse effects on the direct use and deep processing of the essential oil to prepare the high-added-value perfume.
Disclosure of Invention
The invention aims to: in order to solve the problems, the invention provides an integrated device and an extraction method for extracting fir essential oil.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a be used for fir essential oil to draw integrated device, includes the base, the upside of base is provided with two side connection frame plates that are the symmetric distribution, the bearing frame has set firmly between side connection frame plate and the base, two the rack has set firmly between the side connection frame plate, the inboard of rack has set firmly stills, stills's bottom is provided with the opening, the upside of base is provided with the end shrouding in order to the shutoff of opening, the upper end of end shrouding has set firmly through the support and has put the material platform, still be provided with in the stills so that the vertical drive mechanism that end shrouding removed, the upside of base is provided with the transition cauldron, the side of transition cauldron has set firmly two A-frame supports, install two hydraulic stem on the base, and the output of two hydraulic stem respectively with two A-frame fixed connection, the inside of rack has set firmly reation kettle, and reation kettle inlays the inboard and transition cauldron sliding connection who establishes at the transition cauldron, the one-way suction nozzle that is linked together with the transition cauldron is installed to reation kettle's bottom, be provided with so that make the rabbling mechanism that fuses, still be provided with the inside of putting of reation kettle and the honeycomb duct collection cauldron, the collection jar inboard is collected with the honeycomb duct respectively.
Preferably, the size of the opening is matched with the size of the material placing table, and a plurality of hole grooves distributed in a rectangular array are formed in the material placing table in a penetrating mode.
Preferably, the vertical transmission mechanism comprises a first driving motor and a transmission arm rod, and the first driving motor is installed at the outer end of the side connection frame plate.
Preferably, the output end of the first driving motor penetrates through the inner side of the distillation kettle and is connected with a transmission arm rod in a transmission mode, the transmission arm rod is formed by rotationally connecting two rod pieces with equal length, and the free end of the transmission arm rod is rotationally connected with the bottom sealing plate.
Preferably, the rabbling mechanism includes second driving motor, axostylus axostyle and poking bar, second driving motor is installed to reation kettle's upper end, the inboard transmission that second driving motor's output runs through to reation kettle is connected with the axostylus axostyle, the outer end of axostylus axostyle has set firmly a plurality of poking bars that are the annular and distribute.
Preferably, the air exhaust mechanism comprises an air bag, a vertical plate, a third driving motor and a cam, the air bag is fixedly arranged at the upper end of the rack, a one-way air release valve is arranged on the air bag, and an air pipe is communicated between the air bag and the transition kettle.
Preferably, the upper end of rack is located the upside of gasbag and has set firmly the riser, the third driving motor is installed to the outer end of riser, the inboard transmission that the output of third driving motor runs through to the riser is connected with the cam.
Preferably, the extraction method comprises the steps of:
s1, placing a fir raw material on a material placing table, and sending the material placing table containing the fir raw material to the inner side of a distillation kettle by using a vertical transmission mechanism;
s2, adding a certain amount of water into the distillation kettle, starting a heating mechanism arranged in the distillation kettle, and raising the temperature to 200 ℃ at a heating rate of 5 ℃/min;
s3, allowing the distilled gas at different temperatures to enter a transition kettle from a distillation kettle through a flow guide pipe, standing and layering in the transition kettle to respectively obtain lower-layer wood tar, middle-layer wood vinegar and upper-layer dry distillation cedar oil;
s4, starting a hydraulic rod to drive the transition kettle to move upwards, so that the suction nozzle is immersed into the dry distillation cedar oil, and the interior of the reaction kettle is in a negative pressure state through an air exhaust mechanism, and the dry distillation cedar oil is guided into the reaction kettle along the suction nozzle;
s5, neutralizing and washing the dry distillation cedar oil in a reaction kettle, adding a certain amount of C6 alcohol, stirring and heating to a certain temperature by a stirring mechanism, dropwise adding a certain amount of peroxide DTBP-1, performing free radical addition reaction, and distilling to remove the C6 alcohol and a reaction substrate after the reaction is finished.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the method has the advantages that the technology integrates steam distillation and dry distillation, the yield of the essential oil extracted by the method is high, and products such as wood vinegar, wood tar, charcoal, non-condensable combustible gas and the like are simultaneously produced.
2. This application is equipped with transition cauldron, reation kettle and holding vessel through being equipped with on the rack, is equipped with the transition cauldron at the base upside, through the equipment setting of integrated form to satisfy the required process flow of preparation technology, have small in size and the effect of being convenient for operation and use.
Drawings
FIG. 1 illustrates a front view provided in accordance with an embodiment of the present invention;
FIG. 2 illustrates a side view provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates a cross-sectional view provided in accordance with an embodiment of the present invention;
FIG. 4 is a top view of a material placement table provided in accordance with an embodiment of the present invention;
fig. 5 shows a block flow diagram provided in accordance with an embodiment of the present invention.
Illustration of the drawings:
1. a base; 2. a bearing frame; 3. side connection frame plates; 4. a rack; 5. a distillation kettle; 501. an opening; 6. a bottom closure plate; 7. a material placing table; 701. a hole groove; 8. a drive arm; 9. a transition kettle; 10. a triangular bracket; 11. a hydraulic lever; 12. a flow guide pipe; 13. a vertical plate; 14. an air bag; 15. a cam; 16. a reaction kettle; 17. a second drive motor; 18. a shaft lever; 19. a stirring rod; 20. a suction nozzle; 21. a collection tank; 22. a first drive motor; 23. a third drive motor; 24. the trachea.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, the present invention provides a technical solution: an integrated device for extracting essential oil from fir comprises a base 1, wherein two side connection frame plates 3 which are symmetrically distributed are arranged on the upper side of the base 1, a bearing frame 2 is fixedly arranged between the side connection frame plates 3 and the base 1, a rack 4 is fixedly arranged between the two side connection frame plates 3, a distillation kettle 5 is fixedly arranged on the inner side of the rack 4, an opening 501 is arranged at the bottom of the distillation kettle 5, a bottom sealing plate 6 for plugging the opening 501 is arranged on the upper side of the base 1, a material placing table 7 is fixedly arranged at the upper end of the bottom sealing plate 6 through a support, a vertical transmission mechanism for moving the bottom sealing plate 6 is further arranged in the distillation kettle 5, a transition kettle 9 is arranged on the upper side of the base 1, two triangular supports 10 are fixedly arranged at the side end of the transition kettle 9, two hydraulic rods 11 are arranged on the base 1, the output ends of the two hydraulic rods 11 are respectively and fixedly connected with the two triangular supports 10, a reaction kettle 16 is fixedly arranged in the rack 4, a reaction kettle 16 is embedded inside the transition kettle 9 and is connected with the transition kettle 9 in a sliding way, a one-way suction nozzle 20 communicated with the transition kettle 9 is arranged at the bottom of the reaction kettle 16, a stirring mechanism for fusing mixed liquid is arranged in the reaction kettle 16, an air exhaust mechanism for enabling the interior of the reaction kettle 16 to be in a negative pressure state is also arranged on the rack 4, a collecting tank 21 is arranged on the inner side of the rack 4, a flow guide pipe 12 is respectively communicated between the transition kettle 9 and the distillation kettle 5 and the collecting tank 21, heating mechanisms are respectively arranged in the distillation kettle 5 and the reaction kettle 16, cedar raw materials are put on a material placing platform 7, a vertical transmission mechanism is started to drive a bottom seal plate 6 and a material placing platform 7 fixed with the bottom seal plate 6 to move upwards, after the opening 501 of the bottom seal plate 6 is sealed, the material placing platform 7 is placed inside the distillation kettle 5, and a proper amount of distilled water is added into the distillation kettle 5 through a water conveying pipeline, and then the temperature in the kettle is raised to 200 ℃ at the heating rate of 5 ℃/min through a heating mechanism, the Chinese fir raw material in the kettle is subjected to steam distillation firstly, after the water in the kettle is evaporated to dryness, the dry distillation is carried out for a period of time, in the process, the distilled gas at different temperatures is input into a transition kettle 9 through a guide pipe 12, a condensed product is obtained after the condensation is waited, the standing and the layering are carried out, the lower-layer wood tar, the middle-layer wood vinegar liquid and the upper-layer dry distillation Chinese fir oil are respectively obtained, and the purpose of improving the extraction efficiency of the essential oil is achieved through the technology of integrating the steam distillation and the dry distillation.
Specifically, as shown in fig. 1-4, the size of opening 501 and the size looks adaptation of putting material platform 7, put the inside of material platform 7 and run through and set up a plurality of hole grooves 701 that are the distribution of rectangular array, vertical drive mechanism includes first driving motor 22 and driving arm pole 8, first driving motor 22 is installed to the outer end of side connection frame plate 3, the inboard transmission that the output of first driving motor 22 runs through to stills 5 is connected with driving arm pole 8, driving arm pole 8 is rotated by two isometric members and is connected and constitute, and the free end of driving arm pole 8 rotates with end plate 6 and is connected, the setting of hole groove 701 is so that steam in stills 5 can be better on the china fir raw materials, start the first driving motor 22 of installing on side connection frame plate 3 and drive driving arm pole 8 and rotate, make end plate 6 drive put material platform 7 and remove along vertical direction, through putting placing of material from the bottom, be convenient for the user to get and put the china fir raw materials, reach the purpose of being convenient for operation and use.
Specifically, as shown in fig. 3, the rabbling mechanism includes second driving motor 17, axostylus axostyle 18 and poking bar 19, second driving motor 17 is installed to reation kettle 16's upper end, the inboard transmission that second driving motor 17's output runs through to reation kettle 16 is connected with axostylus axostyle 18, the outer end of axostylus axostyle 18 has set firmly a plurality of poking bars 19 that are the annular and distribute, second driving motor 17 that starts on reation kettle 16 drives axostylus axostyle 18 and rotates, and then make and stir the fusion to its inside mixed liquid with the fixed poking bar 19 of axostylus axostyle 18, reach the purpose of mixed liquid fully reacted, thereby realize improving the effect that efficiency was prepared to essential oil.
Specifically, as shown in fig. 3, the air exhaust mechanism includes an air bag 14, a vertical plate 13, a third driving motor 23 and a cam 15, the upper end of the rack 4 is fixedly provided with the air bag 14, the air bag 14 is provided with a one-way air release valve, an air pipe 24 is communicated between the air bag 14 and the transition kettle 9, the vertical plate 13 is fixedly arranged on the upper end of the rack 4 on the upper side of the air bag 14, the third driving motor 23 is installed on the outer end of the vertical plate 13, the output end of the third driving motor 23 penetrates through the inner side of the vertical plate 13 and is connected with the cam 15, a compression spring for restoring the deformation of the air bag 14 is installed in the air bag 14, the third driving motor 23 installed on the vertical plate 13 is started to drive the cam 15 to rotate, the cam 15 presses the air bag 14 in a reciprocating manner in the rotating process, in this process, the air bag 14 discharges the gas in the reaction kettle 16 through the one-way air release valve, so that the interior of the reaction kettle 16 is in a negative pressure state, and the carbonization wood oil on the upper layer can be sucked by the one-way suction nozzle 20.
Specifically, as shown in fig. 5, a method for extracting fir wood essential oil comprises the following steps:
s1, placing a Chinese fir raw material on a material placing table 7, and sending the material placing table 7 containing the Chinese fir raw material to the inner side of a distillation kettle 5 by using a vertical transmission mechanism;
s2, adding a certain amount of water into the distillation kettle 5, starting a heating mechanism arranged in the distillation kettle 5, and raising the temperature to 200 ℃ at a heating rate of 5 ℃/min;
s3, allowing the distilled gas at different temperatures to enter a transition kettle 9 from a distillation kettle 5 through a draft tube 12, standing and layering in the transition kettle 9 to respectively obtain lower-layer wood tar, middle-layer pyroligneous liquor and upper-layer dry distillation cedar oil;
s4, starting the hydraulic rod 11 to drive the transition kettle 9 to move upwards, so that the suction nozzle 20 is immersed into the dry distillation cedar oil, the interior of the reaction kettle 16 is in a negative pressure state through the air exhaust mechanism, and the dry distillation cedar oil is guided into the reaction kettle 16 along the suction nozzle 20;
s5, neutralizing and washing the dry distillation cedar oil in a reaction kettle 16, adding a certain amount of C6 alcohol, stirring and heating to a certain temperature by a stirring mechanism, dropwise adding a certain amount of peroxide DTBP-1, carrying out free radical addition reaction, and distilling to remove the C6 alcohol and a reaction substrate after the reaction is finished;
removing scorched and smelly substances by adopting the free radical reaction of peroxide and fatty alcohol, extracting to obtain the cedar essential oil and cedar alcohol and cedar thin monomer spice which meet the requirement of blending grade, and the reaction mechanism of the scorching removal and the deodorization is as follows:
the previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a side that is used for china fir essential oil to draw integrated device, includes base (1), its characterized in that, the upside of base (1) is provided with two side joint frame plate (3) that are the symmetric distribution, bearing frame (2) have set firmly between side joint frame plate (3), two rack (4) have set firmly between side joint frame plate (3), still distillation kettle (5) the bottom be provided with opening (501), the upside of base (1) is provided with end shrouding (6) with to opening (501) shutoff, the upper end of end shrouding (6) has set firmly through the support and has set up material platform (7), still be provided with in distillation kettle (5) so that the vertical drive mechanism that end shrouding (6) remove, the upside of base (1) is provided with transition cauldron (9), the side of transition cauldron (9) has set firmly two triangular supports (10), install two hydraulic stem (11) on base (1), and the output of two hydraulic stem (11) is connected with two triangular supports (10) respectively, the inside transition cauldron (16) that the slip of transition cauldron (16) set firmly with reaction kettle (16) that reation kettle (16) are linked together, and set firmly with the bottom that reation kettle (9) is connected, and reaction kettle (16) are inlayed and are established one-way to be linked together, and are inlayed reaction kettle (16) and are inlayed in the bottom that the one-way Mouth (20), be provided with in reation kettle (16) so that mix the rabbling mechanism that the liquid fuses, still be provided with on rack (4) so that reation kettle (16) inside air exhaust mechanism that is negative pressure state, collecting vessel (21) have been put to the inboard frame of rack (4), transition cauldron (9) respectively with between stills (5) and collecting vessel (21) intercommunication have honeycomb duct (12).
2. The integrated device for fir wood essential oil extraction as claimed in claim 1, wherein the size of the opening (501) is matched with the size of the material placing table (7), and a plurality of holes (701) distributed in a rectangular array are formed in the material placing table (7) in a penetrating manner.
3. The integrated device for fir wood essential oil extraction as claimed in claim 1, wherein the vertical transmission mechanism comprises a first driving motor (22) and a transmission arm lever (8), and the first driving motor (22) is installed at the outer end of the side frame plate (3).
4. The integrated device for fir wood essential oil extraction as claimed in claim 3, wherein the output end of the first driving motor (22) penetrates through the inner side of the distillation still (5) to be connected with a transmission arm (8) in a transmission manner, the transmission arm (8) is formed by rotationally connecting two equal-length rod pieces, and the free end of the transmission arm (8) is rotationally connected with the bottom sealing plate (6).
5. The integrated device for fir essential oil extraction according to claim 1, wherein the stirring mechanism comprises a second driving motor (17), a shaft rod (18) and stirring rods (19), the second driving motor (17) is installed at the upper end of the reaction kettle (16), the shaft rod (18) is connected to the inner side of the output end of the second driving motor (17) penetrating through the reaction kettle (16) in a transmission manner, and a plurality of stirring rods (19) distributed in an annular manner are fixedly arranged at the outer end of the shaft rod (18).
6. The integrated device for fir wood essential oil extraction according to claim 1, wherein the air pumping mechanism comprises an air bag (14), a vertical plate (13), a third driving motor (23) and a cam (15), the air bag (14) is fixedly arranged at the upper end of the rack (4), a one-way air release valve is arranged on the air bag (14), and an air pipe (24) is communicated between the air bag (14) and the transition kettle (9).
7. The integrated device for fir wood essential oil extraction as claimed in claim 6, wherein a vertical plate (13) is fixedly arranged at the upper side of the air bag (14) at the upper end of the rack (4), a third driving motor (23) is installed at the outer end of the vertical plate (13), and the output end of the third driving motor (23) penetrates through the inner side of the vertical plate (13) to be connected with the cam (15).
8. The method for extracting fir wood essential oil as claimed in claim 1, wherein the method comprises the following steps:
s1, placing a fir raw material on a material placing table (7), and sending the material placing table (7) containing the fir raw material to the inner side of a distillation kettle (5) through a vertical transmission mechanism;
s2, adding a certain amount of water into the distillation kettle (5), starting a heating mechanism arranged in the distillation kettle (5) and heating to 200 ℃ at a heating rate of 5 ℃/min;
s3, allowing distillation gases at different temperatures to enter a transition kettle (9) from a distillation kettle (5) through a draft tube (12), standing and layering in the transition kettle (9) to respectively obtain lower-layer wood tar, middle-layer wood vinegar and upper-layer dry distillation cedar oil;
s4, starting the hydraulic rod (11) to drive the transition kettle (9) to move upwards, so that the suction nozzle (20) is immersed into the dry distillation cedar oil, enabling the interior of the reaction kettle (16) to be in a negative pressure state through the air exhaust mechanism, and guiding the dry distillation cedar oil into the reaction kettle (16) along the suction nozzle (20);
s5, neutralizing and washing the dry distillation cedar oil in a reaction kettle (16), adding a certain amount of C6 alcohol, stirring and heating to a certain temperature by a stirring mechanism, dropwise adding a certain amount of peroxide DTBP-1, carrying out free radical addition reaction, and distilling to remove the C6 alcohol and a reaction substrate after the reaction is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210961384.8A CN115322835A (en) | 2022-08-11 | 2022-08-11 | Integrated device for extracting fir essential oil and extraction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210961384.8A CN115322835A (en) | 2022-08-11 | 2022-08-11 | Integrated device for extracting fir essential oil and extraction method |
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| CN115322835A true CN115322835A (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210961384.8A Pending CN115322835A (en) | 2022-08-11 | 2022-08-11 | Integrated device for extracting fir essential oil and extraction method |
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2022
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