CN112811989A - Complete system and process for refining high-purity cannabidiol in industrial cannabis sativa - Google Patents
Complete system and process for refining high-purity cannabidiol in industrial cannabis sativa Download PDFInfo
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- CN112811989A CN112811989A CN202110175927.9A CN202110175927A CN112811989A CN 112811989 A CN112811989 A CN 112811989A CN 202110175927 A CN202110175927 A CN 202110175927A CN 112811989 A CN112811989 A CN 112811989A
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- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 32
- ZTGXAWYVTLUPDT-UHFFFAOYSA-N cannabidiol Natural products OC1=CC(CCCCC)=CC(O)=C1C1C(C(C)=C)CC=C(C)C1 ZTGXAWYVTLUPDT-UHFFFAOYSA-N 0.000 title claims abstract description 31
- QHMBSVQNZZTUGM-UHFFFAOYSA-N Trans-Cannabidiol Natural products OC1=CC(CCCCC)=CC(O)=C1C1C(C(C)=C)CCC(C)=C1 QHMBSVQNZZTUGM-UHFFFAOYSA-N 0.000 title claims abstract description 30
- QHMBSVQNZZTUGM-ZWKOTPCHSA-N cannabidiol Chemical compound OC1=CC(CCCCC)=CC(O)=C1[C@H]1[C@H](C(C)=C)CCC(C)=C1 QHMBSVQNZZTUGM-ZWKOTPCHSA-N 0.000 title claims abstract description 30
- 229950011318 cannabidiol Drugs 0.000 title claims abstract description 30
- PCXRACLQFPRCBB-ZWKOTPCHSA-N dihydrocannabidiol Natural products OC1=CC(CCCCC)=CC(O)=C1[C@H]1[C@H](C(C)C)CCC(C)=C1 PCXRACLQFPRCBB-ZWKOTPCHSA-N 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007670 refining Methods 0.000 title claims abstract description 9
- 235000008697 Cannabis sativa Nutrition 0.000 title claims abstract description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 214
- 239000007788 liquid Substances 0.000 claims abstract description 126
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 107
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 107
- 238000003860 storage Methods 0.000 claims abstract description 59
- 238000000605 extraction Methods 0.000 claims abstract description 54
- 238000000926 separation method Methods 0.000 claims abstract description 51
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims abstract description 24
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims abstract description 24
- 235000009120 camo Nutrition 0.000 claims abstract description 24
- 235000005607 chanvre indien Nutrition 0.000 claims abstract description 24
- 239000011487 hemp Substances 0.000 claims abstract description 24
- 229920000742 Cotton Polymers 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 99
- 235000019198 oils Nutrition 0.000 claims description 98
- 239000000843 powder Substances 0.000 claims description 37
- 239000000284 extract Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 239000010460 hemp oil Substances 0.000 claims description 10
- 238000005213 imbibition Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 10
- 241000218236 Cannabis Species 0.000 claims description 8
- 238000011049 filling Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 235000019476 oil-water mixture Nutrition 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 4
- 239000000419 plant extract Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000002904 solvent Substances 0.000 abstract description 4
- 230000001988 toxicity Effects 0.000 abstract description 4
- 231100000419 toxicity Toxicity 0.000 abstract description 4
- CYQFCXCEBYINGO-IAGOWNOFSA-N delta1-THC Chemical compound C1=C(C)CC[C@H]2C(C)(C)OC3=CC(CCCCC)=CC(O)=C3[C@@H]21 CYQFCXCEBYINGO-IAGOWNOFSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- CYQFCXCEBYINGO-UHFFFAOYSA-N THC Natural products C1=C(C)CCC2C(C)(C)OC3=CC(CCCCC)=CC(O)=C3C21 CYQFCXCEBYINGO-UHFFFAOYSA-N 0.000 description 4
- 229960004242 dronabinol Drugs 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- VBGLYOIFKLUMQG-UHFFFAOYSA-N Cannabinol Chemical compound C1=C(C)C=C2C3=C(O)C=C(CCCCC)C=C3OC(C)(C)C2=C1 VBGLYOIFKLUMQG-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003340 mental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229960003453 cannabinol Drugs 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229940099262 marinol Drugs 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- GECBBEABIDMGGL-RTBURBONSA-N nabilone Chemical compound C1C(=O)CC[C@H]2C(C)(C)OC3=CC(C(C)(C)CCCCCC)=CC(O)=C3[C@@H]21 GECBBEABIDMGGL-RTBURBONSA-N 0.000 description 1
- 229960002967 nabilone Drugs 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/685—Processes comprising at least two steps in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/82—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention discloses a complete system for refining high-purity cannabidiol in industrial hemp and a refining process, which comprises an air storage tank, a tank body and a carbon dioxide compressor, wherein the air storage tank is arranged on one side of the tank body, the carbon dioxide compressor is arranged above the air storage tank, and the tank body is provided with an extraction tank, a low-pressure separation chamber, a bearing plate, a heating plate, a base, a first pump tank, a liquid suction pump, a liquid suction pipe, a liquid delivery pipe, a low-pressure oil-gas separator, an oil leakage pipe, an oil suction pump, a second pump tank, an oil suction pipe, a filter cotton layer, an oil discharge pipe, a control box, a controller. The invention belongs to the technical field of extraction and separation equipment, and particularly provides a complete system and a process for extracting high-purity cannabidiol from industrial cannabis sativa, wherein the complete system and the process are high in cannabidiol yield, high in purity, simple in process, low in solvent toxicity, green and environment-friendly.
Description
Technical Field
The invention belongs to the technical field of extraction and separation equipment, and particularly relates to a complete system and a process for extracting high-purity cannabidiol from industrial cannabis sativa.
Background
The main active ingredients of the cannabis are cannabinol substances, the phenolic substances are classified into phenolic substances with mental activity, such as Tetrahydrocannabinol (THC) and phenolic substances without mental activity, such as Cannabidiol (CBD), the clinically used cannabis-derived medicines comprise Marinol (THC), (THC/CBD), epidolex (CBD) oral liquid, cannabinol structure modification substance Nabilone and the like, in addition, the medicines taking CBD as the main active ingredient in the clinical experimental stage are dozens of medicines, in Europe and America, CBD and cannabis oil rich in CBD are widely applied to medicines, health care products, cosmetics, foods and the like, and the market prospect is wide.
The existing industrial cannabidiol extraction device has the disadvantages of more impurities, large organic solvent consumption, low product purity, long preparation period and complex process and high solvent toxicity.
Disclosure of Invention
In order to solve the existing problems, the invention provides a complete system and a process for extracting high-purity cannabidiol from industrial cannabis sativa, which have the advantages of high cannabidiol yield, high purity, simple process, low solvent toxicity, environmental friendliness and the like.
The technical scheme adopted by the invention is as follows: the invention relates to a complete system for refining high-purity cannabidiol in industrial hemp, which comprises an air storage tank, a tank body and a carbon dioxide compressor, wherein the air storage tank is arranged on one side of the tank body, the carbon dioxide compressor is arranged above the air storage tank, the tank body is provided with an extraction tank, a low-pressure separation chamber, a bearing plate, a heating disc, a base, a first pump tank, a liquid suction pump, a liquid suction pipe, a liquid delivery pipe, a low-pressure oil-gas separator, an oil leakage pipe, an oil suction pump, a second pump tank, an oil suction pipe, a filter cotton layer, an oil discharge pipe, a control box, a controller, a groove and a liquid booster pump, the control box is arranged on the upper wall of the tank body, the controller is arranged in the control box, the bearing plate is arranged on the inner wall of the tank body, the base is arranged on the bearing plate, the groove is arranged on the base, the groove is, the liquid booster pump is arranged on the side wall of the extraction tank, the power output end of the liquid booster pump is communicated with the extraction tank, the first pump tank is arranged on the bearing plate on one side of the base, the liquid suction pump is arranged in the first pump tank, the pipette is communicated between the power output end of the liquid suction pump and the extraction tank, the low-pressure separation chamber is arranged at the bottom of the tank body, the liquid delivery pipe is communicated between the low-pressure separation chamber and the power input end of the liquid suction pump, the low-pressure oil-gas separator is arranged on the upper wall of the low-pressure separation chamber, one end of the liquid delivery pipe, which is communicated with the low-pressure separation chamber, is connected with the low-pressure oil-gas separator, the oil leakage pipe is arranged at the oil outlet end of the low-pressure oil-gas separator, the filter cotton layer is arranged on the inner wall of the low-pressure separation chamber below the low-pressure oil, the oil discharge pipe is arranged at the power input end of the oil suction pump, one side of the oil discharge pipe, which is far away from the power input end of the oil suction pump, penetrates through the box body and is arranged on the side wall of the box body, the carbon dioxide compressor is provided with a liquid outlet pipe, an air suction pipe and a one-way valve, the liquid outlet pipe penetrates through the side wall of the box body and is communicated and arranged between the extraction box and the power input end of the carbon dioxide compressor, the air suction pipe is communicated and arranged between the power output end of the carbon dioxide compressor and the air storage box, the one-way valve is arranged on the liquid outlet pipe, an air valve pipeline, a cylindrical cavity, a round platform cavity and a control ball are arranged between the air storage box and the low-pressure separation chamber, the cylindrical cavity is arranged in the air valve pipeline at one end, close to the, the radius of the contact part of the circular truncated cone-shaped cavity and the control ball is smaller than that of the control ball, an air outlet pipe is arranged between the circular truncated cone-shaped cavity and the gas output end of the low-pressure oil-gas separator, a carbon dioxide compressor compresses carbon dioxide gas in the air storage tank into carbon dioxide liquid through an air suction pipe, the carbon dioxide liquid is conveyed into an extraction tank through a liquid outlet pipe, the industrial hemp powder in the extraction tank is extracted by the carbon dioxide liquid, the carbon dioxide liquid is pressurized by a liquid booster pump, the bottom of the extraction tank is heated through a heating plate so as to heat the carbon dioxide liquid, the carbon dioxide is in a supercritical state, the supercritical carbon dioxide is dissolved in the extraction tank and extracts of plants are collected, a liquid suction pump sucks the dissolved carbon dioxide liquid into the low-pressure oil-gas separator through a liquid conveying pipe through a liquid suction pipe to separate the, the carbon dioxide gas separated by the low-pressure oil-gas separator enters the cylindrical cavity through the gas outlet pipe, the gas pressure in the cylindrical cavity is greater than the gas pressure of the gas storage box so as to push the control ball to move to one side far away from the cylindrical cavity, the gas valve pipeline is communicated, the gas flows into the gas storage box from the cylindrical cavity, when the gas outlet pipe stops conveying gas, the gas pressure in the cylindrical cavity is smaller than the gas pressure in the gas storage box so as to push the control ball to move towards one side close to the cylindrical cavity, the control ball is attached to the cylindrical cavity to block the cylindrical cavity, so that the gas in the gas storage tank can not flow back, the extract hemp oil filtered at the bottom of the low-pressure separation chamber contains a small amount of water, the oil-water mixture is kept still, after the layering is finished, the oil generally has low density and floats on the upper surface, the oil suction pump sucks the water at the bottom of the low-pressure separation chamber out through the oil suction pipe, then the oil suction pump sucks the hemp oil in the low-pressure separation chamber out through the oil discharge pipe again through the oil suction pipe.
Further, the box top is equipped with the powder and adds the mouth, the powder adds the mouth and runs through the box upper wall intercommunication and locate and draw the case, the powder adds the mouth and is equipped with screw thread, lid and sealing washer, the powder adds the mouth outside in the thread is located, the powder adds the mouth top in the lid is located, and lid and powder add the mouth threaded connection, the sealing washer establish with the lid inboard, the powder adds the mouth and is used for adding the industry hemp powder.
Further, the box lateral wall is equipped with the viewing aperture, the viewing aperture is equipped with observation window and observation frame, the observation frame is located in the viewing aperture, in the observation window was located the observation frame, the observation window was used for observing the indoor oil water mixture situation of stewing of low pressure separation.
Further, the box lateral wall is equipped with the thermovent, the thermovent is equipped with heat dissipation fan and dust cover, in the thermovent was located to the heat dissipation fan, the heat dissipation fan outside was located to the dust cover, and the heat dissipation fan is used for the heat dissipation of box internal plant.
Further, the side wall of the gas storage box is provided with a pressure gauge, and the pressure gauge is used for observing the gas pressure inside the gas storage box.
Further, the carbon dioxide compressor is provided with a console, and the console is used for controlling the carbon dioxide compressor.
Further, one side that the viewing aperture was kept away from to the box is equipped with the inspection opening, the inspection opening is equipped with door-hinge, door frame, sealed pad, chamber door and handle, in the inspection opening was located to the door frame, door-hinge locates door frame one side, the chamber door rotates and locates the door-hinge, sealed pad is located the chamber door outside, on the chamber door was located to the handle, the chamber door was used for examining the internal plant of box.
Further, the box lateral wall is equipped with oil absorption button, heating button, pressure boost button, imbibition button and compression button, oil absorption button, heating button, pressure boost button, imbibition button and compression button respectively with controller electric connection, the controller respectively with oil suction pump, heating plate, liquid booster pump, imbibition pump, carbon dioxide compressor electric connection.
Further, the side wall of the gas storage box is communicated with a gas filling pipe, the gas filling pipe is provided with a valve, and the gas filling pipe is used for adding carbon dioxide gas into the gas storage box.
A process for extracting high-purity cannabidiol from industrial cannabis sativa comprises the following steps:
1) cleaning and drying industrial hemp, and then grinding the industrial hemp into powder to ensure that no impurities exist in the industrial hemp;
2) opening a box door, opening the box door by rotating around a door shaft, checking equipment in the box body, closing the box door after the checking is finished, opening a valve, adding carbon dioxide gas into a gas storage box through a gas adding pipe, closing the valve after the adding is finished, screwing out a cover, adding industrial hemp powder into an extraction box through a powder adding port, screwing the cover after the adding is finished, electrifying the equipment, and setting the pressure value of a carbon dioxide compressor by a console through a controller to compress the carbon dioxide gas in the gas storage box into carbon dioxide liquid and convey the carbon dioxide liquid into the extraction box;
3) pressing a compression button to control a carbon dioxide compressor to start through a controller, compressing carbon dioxide gas in a gas storage tank into carbon dioxide liquid through a gas suction pipe and conveying the carbon dioxide liquid into an extraction tank through a liquid outlet pipe, extracting industrial hemp powder in the extraction tank by the carbon dioxide liquid, pressing a pressurizing button to start through a controller liquid pressurizing pump, pressurizing the carbon dioxide liquid by the liquid pressurizing pump, pressing a heating button to control a heating plate to start through the controller, heating the bottom of the extraction tank by the heating plate to heat the carbon dioxide liquid, enabling the carbon dioxide to be in a supercritical state, dissolving the supercritical carbon dioxide in the extraction tank, and collecting plant extracts;
4) the liquid suction button is pressed down to control the liquid suction pump to start through the controller, the liquid suction pump sucks carbon dioxide liquid dissolved together into the low-pressure oil-gas separator through the liquid suction pipe to separate extract and carbon dioxide gas, the extract falls into the filtering cotton layer through the oil leakage pipe to be filtered and then enters the bottom of the low-pressure separation chamber, the carbon dioxide gas separated out from the low-pressure oil-gas separator enters the cylindrical cavity through the air outlet pipe, the gas pressure in the cylindrical cavity is larger than the gas pressure of the gas storage tank so as to push the control ball to move to one side far away from the cylindrical cavity, the gas valve pipeline is communicated, and the gas flows into the gas storage tank, when the gas outlet pipe stops conveying gas, the gas pressure in the cylindrical cavity is smaller than the gas pressure in the gas storage box so as to push the control ball to move to one side close to the cylindrical cavity, the control ball is attached to the cylindrical cavity to block the cylindrical cavity, and therefore the gas in the gas storage box cannot flow back;
5) the hemp oil extract filtered at the bottom of the low-pressure separation chamber contains a small amount of water, an oil-water mixture is kept still, after layering is completed, the oil generally has low density and floats on the surface, an oil suction button is pressed to control an oil suction pump to start through a controller, the oil suction pump sucks the water at the bottom of the low-pressure separation chamber through an oil suction pipe, the oil suction button is pressed to control the oil suction pump to close through the controller after the water is drained, then the oil suction button is pressed again to control the oil suction pump to start through the controller, and the oil suction pipe sucks the hemp oil in the low-pressure separation chamber through the oil discharge pipe.
The invention with the structure has the following beneficial effects: the complete system for extracting the high-purity cannabidiol from the industrial hemp and the extraction process have the advantages of high cannabidiol yield, high purity, simple process, low solvent toxicity, environmental friendliness, recycling of carbon dioxide gas, waste avoidance, preliminary extraction of the cannabidiol through the extraction box, and extraction of the high-purity cannabidiol from the industrial hemp through the low-pressure separation chamber.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a high purity cannabidiol extraction plant according to the present invention for industrial cannabis;
FIG. 2 is a front view of a high purity cannabidiol refining package of industrial cannabis in accordance with the present invention;
FIG. 3 is a rear view of a high purity cannabidiol refining package of industrial cannabis in accordance with the present invention.
Wherein, 1, a gas storage tank, 2, a box body, 3, a carbon dioxide compressor, 4, an extraction tank, 5, a low-pressure separation chamber, 6, a bearing plate, 7, a heating plate, 8, a base, 9, a first pump tank, 10, a liquid suction pump, 11, a liquid suction pipe, 12, a liquid feeding pipe, 13, a low-pressure oil-gas separator, 14, an oil leakage pipe, 15, a liquid suction pump, 16, a second pump tank, 17, an oil suction pipe, 18, a filter cotton layer, 19, an oil discharge pipe, 20, a control box, 21, a controller, 22, a liquid booster pump, 23, a liquid discharge pipe, 24, an air suction pipe, 25, a one-way valve, 26, an air valve pipeline, 27, a cylindrical cavity, 28, a circular truncated cone cavity, 29, a control ball, 30, an air outlet pipe, 31, a powder feeding port, 32, a thread, 33, a cover, 34, a sealing ring, 35, an observation port, 36, an observation window, 37, an observation frame, 38, 41. pressure gauge, 42, console, 43, inspection port, 44, door shaft, 45, door frame, 46, sealing gasket, 47, door, 48, handle, 49, oil suction button, 50, heating button, 51, pressurizing button, 52, liquid suction button, 53, compression button, 54, gas filling pipe, 55, valve, 56 and groove.
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.
As shown in fig. 1-3, the complete system for refining high-purity cannabidiol in industrial hemp according to the present invention comprises a gas storage tank 1, a tank 2 and a carbon dioxide compressor 3, wherein the gas storage tank 1 is disposed at one side of the tank 2, the carbon dioxide compressor 3 is disposed above the gas storage tank 1, the tank 2 is provided with an extraction tank 4, a low-pressure separation chamber 5, a bearing plate 6, a heating plate 7, a base 8, a first pump tank 9, a liquid suction pump 10, a liquid suction pipe 11, a liquid feeding pipe 12, a low-pressure oil-gas separator 13, an oil leakage pipe 14, an oil suction pump 15, a second pump tank 16, an oil suction pipe 17, a filter cotton layer 18, an oil discharge pipe 19, a control box 20, a controller 21, a groove 56 and a liquid booster pump 22, the control box 20 is disposed on the upper wall of the tank 2, the controller 21 is disposed in the control box 20, the bearing plate 6 is disposed on the inner, the groove 56 is a hollow cavity with an opening at the upper end, the heating plate 7 is arranged on the bottom wall of the groove 56, the extraction box 4 is arranged on the base 8, the heating end of the heating plate 7 is connected with the bottom of the extraction box 4, the liquid booster pump 22 is arranged on the side wall of the extraction box 4, the power output end of the liquid booster pump 22 is communicated with the extraction box 4, the first pump box 9 is arranged on the bearing plate 6 on one side of the base 8, the liquid suction pump 10 is arranged in the first pump box 9, the liquid suction pipe 11 is communicated between the power output end of the liquid suction pump 10 and the extraction box 4, the low-pressure separation chamber 5 is arranged at the bottom of the box body 2, the liquid feeding pipe 12 is communicated between the low-pressure separation chamber 5 and the power input end of the liquid suction pump 10, the low-pressure oil separator 13 is arranged on the upper wall of the low-pressure separation chamber 5, one end of the liquid, the filter cotton layer 18 is arranged on the inner wall of the low-pressure separation chamber 5 below the low-pressure oil-gas separator 13, the pump box II 16 is arranged at the bottom of the box body 2 on one side of the low-pressure separation chamber 5, the oil suction pump 15 is arranged in the pump box II 16, the oil suction pipe 17 is communicated between the low-pressure separation chamber 5 and the power output end of the oil suction pump 15, the oil discharge pipe 19 is arranged at the power input end of the oil suction pump 15, one side, away from the power input end of the oil suction pump 15, of the oil discharge pipe 19 penetrates through the box body 2 and is arranged on the side wall of the box body 2, the carbon dioxide compressor 3 is provided with a liquid discharge pipe 23, an air suction pipe 24 and a one-way valve 25, the liquid discharge pipe 23 penetrates through the side wall of the box body 2 and is communicated between the extraction box 4 and the power input end of the carbon dioxide compressor 3, the air, The gas valve pipeline 26 is communicated between the gas storage tank 1 and the low-pressure separation chamber 5, the cylindrical cavity 27 is arranged in the gas valve pipeline 26, close to one end of the low-pressure separation chamber 5, of the gas valve pipeline 26, the circular truncated cone cavity 28 is communicated with one side, far away from the low-pressure separation chamber 5, of the cylindrical cavity 27, the control ball 29 is arranged in the circular truncated cone cavity 28, the radius of a contact part of the circular truncated cone cavity 28 and the control ball 29 is smaller than that of the control ball 29, and a gas outlet pipe 30 is arranged between the cylindrical cavity 27 and the gas output end of the low-pressure gas-oil separator 13.
Wherein, the box 2 top is equipped with powder inlet 31, powder inlet 31 runs through the box 2 upper wall intercommunication and locates and draw case 4, powder inlet 31 is equipped with screw thread 32, lid 33 and sealing washer 34, the screw thread 32 is located the powder inlet 31 outside, powder inlet 31 top is located to lid 33, lid 33 and powder inlet 31 screw thread 32 are connected, sealing washer 34 is established with lid 33 inboard, the box 2 lateral wall is equipped with viewing aperture 35, viewing aperture 35 is equipped with observation window 36 and observation frame 37, observation frame 37 is located in observation aperture 35, observation window 36 is located in observation frame 37, the box 2 lateral wall is equipped with thermovent 38, thermovent 38 is equipped with radiator fan 39 and dust cover 40, radiator fan 39 is located in radiator vent 38, dust cover 40 is located the radiator fan 39 outside, the gas storage box 1 lateral wall is equipped with manometer 41, carbon dioxide compressor 3 is equipped with control cabinet 42, and control cabinet 42 is used for controlling carbon dioxide compressor 3, one side that viewing aperture 35 was kept away from to box 2 is equipped with inspection opening 43, inspection opening 43 is equipped with door-hinge 44, door frame 45, sealed pad 46, chamber door 47 and handle 48, door frame 45 is located in inspection opening 43, door-hinge 44 is located door frame 45 one side, chamber door 47 rotates and locates door-hinge 44, sealed pad 46 is located the chamber door 47 outside, handle 48 is located on chamber door 47, 2 lateral walls of box are equipped with oil absorption button 49, heating button 50, pressure boost button 51, imbibition button 52 and compression button 53, and oil absorption button 49, heating button 50, pressure boost button 51, imbibition button 52 and compression button 53 respectively with controller 21 electric connection, controller 21 respectively with oil absorption pump 15, heating plate 7, liquid booster pump 22, imbibition pump 10, imbibition pump, The carbon dioxide compressor 3 electric connection, the gas storage tank 1 lateral wall intercommunication is equipped with the gas filling pipe 54, be equipped with valve 55 on the gas filling pipe 54.
A process for extracting high-purity cannabidiol from industrial cannabis sativa comprises the following steps:
1) cleaning and drying industrial hemp, and then grinding the industrial hemp into powder to ensure that no impurities exist in the industrial hemp;
2) opening the box door, opening the box door 47 by rotating the box door 47 around the door shaft 44, checking the equipment in the box body 2, closing the box door 47 after the checking is finished, opening the valve 55, adding carbon dioxide gas into the gas storage box 1 through the gas adding pipe 54, closing the valve 55 after the adding is finished, screwing out the cover 33, adding industrial hemp powder into the extraction box 4 through the powder adding port 31, screwing the cover 33 after the adding is finished, electrifying the equipment, setting the pressure value of the carbon dioxide compressor 3 through the controller 21 by the console 42, compressing the carbon dioxide gas in the gas storage box 1 into carbon dioxide liquid, and conveying the carbon dioxide liquid into the extraction box 4;
3) pressing a compression button 53 to control a carbon dioxide compressor 3 to start through a controller 21, enabling the carbon dioxide compressor 3 to compress carbon dioxide gas in a gas storage tank 1 into carbon dioxide liquid through an air suction pipe 24, conveying the carbon dioxide liquid into an extraction tank 4 through a liquid outlet pipe 23, extracting industrial hemp powder in the extraction tank 4 by the carbon dioxide liquid, pressing a pressurizing button 51 to start through a liquid pressurizing pump 22 of the controller 21, pressurizing the carbon dioxide liquid by the liquid pressurizing pump 22, pressing a heating button 50 to control a heating plate 7 to start through the controller 21, heating the bottom of the extraction tank 4 by the heating plate 7 to heat the carbon dioxide liquid, enabling the carbon dioxide to be in a supercritical state, dissolving the supercritical carbon dioxide in the extraction tank 4 and collecting plant extracts;
4) the liquid suction button 52 is pressed to control the liquid suction pump 10 to start through the controller 21, the liquid suction pump 10 sucks the dissolved carbon dioxide liquid into the low-pressure oil-gas separator 13 through the liquid feeding pipe 12 through the liquid suction pipe 11 to separate the extract and the carbon dioxide gas, the extract falls into the filter cotton layer 18 through the oil leakage pipe 14 to be filtered and then enters the bottom of the low-pressure separation chamber 5, the carbon dioxide gas separated out from the low-pressure oil-gas separator 13 enters the cylindrical cavity 27 through the air outlet pipe 30, the gas pressure in the cylindrical cavity 27 is greater than the gas pressure in the gas storage tank 1 to push the control ball 29 to move to the side far away from the cylindrical cavity 27, the gas valve pipeline 26 is communicated, the gas flows into the gas storage tank 1 from the cylindrical cavity 27, when the air outlet pipe 30 stops conveying the gas, the gas pressure in the cylindrical cavity 27 is less than the gas pressure in the gas storage, the control ball 29 is attached to the cylindrical cavity 27 to block the cylindrical cavity 27, so that the gas in the gas storage tank 1 cannot flow back;
5) the extracted hemp oil filtered at the bottom of the low-pressure separation chamber 5 contains a small amount of water, an oil-water mixture is kept still, after layering is completed, the oil generally has small density and floats on the upper surface, the oil suction button 49 is pressed to control the oil suction pump 15 to be started through the controller 21, the oil suction pump 15 sucks the water at the bottom of the low-pressure separation chamber 5 through the oil suction pipe 17 through the oil discharge pipe 19, the oil suction button 49 is pressed to control the oil suction pump 15 to be closed through the controller 21 after the water is completely discharged, then the oil suction button 49 is pressed again to control the oil suction pump 15 to be started through the controller 21, and the oil suction pipe 17 sucks the hemp oil in the low-pressure separation chamber 5 through the.
When the device is used specifically, the box door 47 rotates around the door shaft 44 to be opened, the device in the box body 2 is checked, the box door 47 is closed after the checking is finished, carbon dioxide gas is added into the gas storage box 1 by opening the valve 55 through the gas adding pipe 54, the valve 55 is closed after the adding is finished, the cover 33 is screwed out and industrial hemp powder is added into the extraction box 4 through the powder adding port 31, the cover 33 is screwed after the adding is finished, the device is electrified, the console 42 sets the pressure value of the carbon dioxide compressor 3 through the controller 21 to compress the carbon dioxide gas in the gas storage box 1 into carbon dioxide liquid to be conveyed into the extraction box 4, the compression button 53 is pressed to control the carbon dioxide compressor 3 to be started through the controller 21, the carbon dioxide compressor 3 compresses the carbon dioxide gas in the gas storage box 1 into the carbon dioxide liquid to be conveyed into the extraction box, extracting industrial hemp powder in an extraction box 4 by using carbon dioxide liquid, starting the liquid booster pump 22 through a controller 21 by pressing a booster button 51, boosting the carbon dioxide liquid by using the liquid booster pump 22, starting the heating plate 7 by pressing a heating button 50 through the controller 21, heating the carbon dioxide liquid by heating the bottom of the extraction box 4 by using the heating plate 7 so that the carbon dioxide is in a supercritical state, dissolving the supercritical carbon dioxide in the extraction box 4 and collecting plant extracts, starting the liquid suction pump 10 by pressing a liquid suction button 52 through the controller 21, pumping the dissolved carbon dioxide liquid into a low-pressure oil-gas separator 13 through a liquid delivery pipe 12 by using the liquid suction pump 10 through a liquid suction pipe 11 to separate the extracts and carbon dioxide gas, and enabling the extracts to fall into a filter cotton layer 18 through an oil leakage pipe 14 to be filtered and then enter the bottom of a low-pressure separation chamber 5, the carbon dioxide gas separated by the low-pressure oil-gas separator 13 enters the cylindrical cavity 27 through the gas outlet pipe 30, the gas pressure in the cylindrical cavity 27 is greater than the gas pressure of the gas storage tank 1 so as to push the control ball 29 to move to the side far away from the cylindrical cavity 27, the gas valve pipeline 26 is communicated, the gas flows into the gas storage tank 1 from the cylindrical cavity 27, when the gas outlet pipe 30 stops conveying the gas, the gas pressure in the cylindrical cavity 27 is less than the gas pressure in the gas storage tank 1 so as to push the control ball 29 to move to the side close to the cylindrical cavity 27, the control ball 29 is attached to the cylindrical cavity 27 to block the cylindrical cavity 27, so that the gas in the gas storage tank 1 cannot flow back, the extract hemp oil filtered at the bottom of the low-pressure separation chamber 5 contains a small amount of moisture, the oil-water mixture is kept still, after layering is completed, the oil generally has a small density and floats, the oil suction pump 15 sucks water at the bottom of the low-pressure separation chamber 5 through the oil suction pipe 17 through the oil discharge pipe 19, after the water is discharged, the oil suction button 49 is pressed, the oil suction pump 15 is controlled to be closed through the controller 21, then the oil suction button 49 is pressed again, the oil suction pump 15 is controlled to be started through the controller 21, the hemp oil in the low-pressure separation chamber 5 is sucked out through the oil discharge pipe 19 by the oil suction pipe 17, the heat dissipation fan 39 is automatically started after being electrified, the heat dissipation fan 39 is convenient to dissipate heat of equipment in the box body 2, the observation window 36 is used for observing the internal condition of the low-pressure separation chamber 5, and the pressure gauge 41 is used for observing.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a complete set of system is refine to high-purity cannabidiol in industry cannabis, its characterized in that: the device comprises a gas storage tank, a tank body and a carbon dioxide compressor, wherein the gas storage tank is arranged on one side of the tank body, the carbon dioxide compressor is arranged above the gas storage tank, the tank body is provided with an extraction tank, a low-pressure separation chamber, a bearing plate, a heating disc, a base, a first pump box, a liquid suction pump, a liquid suction pipe, a liquid delivery pipe, a low-pressure oil-gas separator, an oil leakage pipe, an oil suction pump, a second pump box, an oil suction pipe, a filter cotton layer, an oil discharge pipe, a control box, a controller, a groove and a liquid booster pump, the control box is arranged on the upper wall of the tank body, the controller is arranged in the control box, the bearing plate is arranged on the inner wall of the tank body, the base is arranged on the bearing plate, the groove is arranged on the base, the groove is a hollow cavity with an upper end open, the heating, the power output end of the liquid booster pump is communicated with the extraction box, the first pump box is arranged on the bearing plate on one side of the base, the liquid suction pump is arranged in the first pump box, the liquid suction pipe is communicated between the power output end of the liquid suction pump and the extraction box, the low-pressure separation chamber is arranged at the bottom of the box body, the liquid feeding pipe is communicated between the low-pressure separation chamber and the power input end of the liquid suction pump, the low-pressure oil-gas separator is arranged on the upper wall of the low-pressure separation chamber, one end of the liquid feeding pipe communicated with the low-pressure separation chamber is connected with the low-pressure oil-gas separator, the oil leakage pipe is arranged at the oil outlet end of the low-pressure oil-gas separator, the filter cotton layer is arranged on the inner wall of the low-pressure separation chamber below the low-pressure oil-gas separator, the second pump box is arranged at the bottom of the box on one, one side of the oil discharge pipe, which is far away from the power input end of the oil suction pump, penetrates through the box body and is arranged on the side wall of the box body, the carbon dioxide compressor is provided with a liquid outlet pipe, an air suction pipe and a one-way valve, the liquid outlet pipe penetrates through the side wall of the box body and is communicated and arranged between the extraction box and the power input end of the carbon dioxide compressor, the air suction pipe is communicated and arranged between the power output end of the carbon dioxide compressor and the air storage box, the one-way valve is arranged on the liquid outlet pipe, an air valve pipeline, a cylindrical cavity, a round platform cavity and a control ball are arranged between the air storage box and the low-pressure separation chamber, the cylindrical cavity is arranged in the air valve pipeline at one end, close to the low-pressure separation chamber, of the air valve pipeline, the round platform cavity is communicated and arranged on one, and an air outlet pipe is arranged between the cylindrical cavity and the gas output end of the low-pressure oil-gas separator.
2. The system of claim 1, wherein the system comprises: the box top is equipped with the powder and adds the mouth, the powder adds the mouth and runs through the box upper wall intercommunication and locate and draw the case, the powder adds the mouth and is equipped with screw thread, lid and sealing washer, the powder adds the mouth outside in the screw thread is located, the powder adds the mouth top in the lid is located, lid and powder add a mouthful threaded connection, the sealing washer establish with the lid inboard.
3. The system of claim 1, wherein the system comprises: the box lateral wall is equipped with the viewing aperture, the viewing aperture is equipped with observation window and observation frame, the observation frame is located in the viewing aperture, the observation window is located in the observation frame.
4. The system of claim 1, wherein the system comprises: the box lateral wall is equipped with the thermovent, the thermovent is equipped with heat dissipation fan and dust cover, the heat dissipation fan is located in the thermovent, the heat dissipation fan outside is located to the dust cover.
5. The system of claim 1, wherein the system comprises: the side wall of the gas storage box is provided with a pressure gauge.
6. The system of claim 1, wherein the system comprises: the carbon dioxide compressor is provided with a console, and the console is used for controlling the carbon dioxide compressor.
7. The system of claim 3, wherein the system comprises: one side that the viewing aperture was kept away from to the box is equipped with the inspection opening, the inspection opening is equipped with door-hinge, door frame, sealed pad, chamber door and handle, the door frame is located in the inspection opening, door-hinge locates door frame one side, the chamber door rotates and locates the door-hinge, sealed pad is located the chamber door outside, the handle is located on the chamber door.
8. The system of claim 1, wherein the system comprises: the box lateral wall is equipped with oil absorption button, heating button, pressure boost button, imbibition button and compression button, and oil absorption button, heating button, pressure boost button, imbibition button and compression button respectively with controller electric connection, controller respectively with oil suction pump, heating plate, liquid booster pump, imbibition pump, carbon dioxide compressor electric connection.
9. The complete system and process for refining high-purity cannabidiol from industrial cannabis as claimed in claim 1, wherein: the side wall of the gas storage box is communicated with a gas filling pipe, and a valve is arranged on the gas filling pipe.
10. A process for extracting high-purity cannabidiol from industrial cannabis sativa comprises the following steps:
1) cleaning and drying industrial hemp, and then grinding the industrial hemp into powder to ensure that no impurities exist in the industrial hemp;
2) opening a box door, opening the box door by rotating around a door shaft, checking equipment in the box body, closing the box door after the checking is finished, opening a valve, adding carbon dioxide gas into a gas storage box through a gas adding pipe, closing the valve after the adding is finished, screwing out a cover, adding industrial hemp powder into an extraction box through a powder adding port, screwing the cover after the adding is finished, electrifying the equipment, and setting the pressure value of a carbon dioxide compressor by a console through a controller to compress the carbon dioxide gas in the gas storage box into carbon dioxide liquid and convey the carbon dioxide liquid into the extraction box;
3) pressing a compression button to control a carbon dioxide compressor to start through a controller, compressing carbon dioxide gas in a gas storage tank into carbon dioxide liquid through a gas suction pipe and conveying the carbon dioxide liquid into an extraction tank through a liquid outlet pipe, extracting industrial hemp powder in the extraction tank by the carbon dioxide liquid, pressing a pressurizing button to start through a controller liquid pressurizing pump, pressurizing the carbon dioxide liquid by the liquid pressurizing pump, pressing a heating button to control a heating plate to start through the controller, heating the bottom of the extraction tank by the heating plate to heat the carbon dioxide liquid, enabling the carbon dioxide to be in a supercritical state, dissolving the supercritical carbon dioxide in the extraction tank, and collecting plant extracts;
4) the liquid suction button is pressed down to control the liquid suction pump to start through the controller, the liquid suction pump sucks carbon dioxide liquid dissolved together into the low-pressure oil-gas separator through the liquid suction pipe to separate extract and carbon dioxide gas, the extract falls into the filtering cotton layer through the oil leakage pipe to be filtered and then enters the bottom of the low-pressure separation chamber, the carbon dioxide gas separated out from the low-pressure oil-gas separator enters the cylindrical cavity through the air outlet pipe, the gas pressure in the cylindrical cavity is larger than the gas pressure of the gas storage tank so as to push the control ball to move to one side far away from the cylindrical cavity, the gas valve pipeline is communicated, and the gas flows into the gas storage tank, when the gas outlet pipe stops conveying gas, the gas pressure in the cylindrical cavity is smaller than the gas pressure in the gas storage box so as to push the control ball to move to one side close to the cylindrical cavity, the control ball is attached to the cylindrical cavity to block the cylindrical cavity, and therefore the gas in the gas storage box cannot flow back;
5) the hemp oil extract filtered at the bottom of the low-pressure separation chamber contains a small amount of water, an oil-water mixture is kept still, after layering is completed, the oil generally has low density and floats on the surface, an oil suction button is pressed to control an oil suction pump to start through a controller, the oil suction pump sucks the water at the bottom of the low-pressure separation chamber through an oil suction pipe, the oil suction button is pressed to control the oil suction pump to close through the controller after the water is drained, then the oil suction button is pressed again to control the oil suction pump to start through the controller, and the oil suction pipe sucks the hemp oil in the low-pressure separation chamber through the oil discharge pipe.
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| US20190010106A1 (en) * | 2017-07-07 | 2019-01-10 | Orochem Technologies, Inc. | Process for purification and separation of cannabinoids, from dried hemp and cannabis leaves |
| CN110314408A (en) * | 2019-08-01 | 2019-10-11 | 昆明萃醍生物科技有限公司 | A kind of extraction process of high-purity cannabidiol |
| CN110668923A (en) * | 2019-11-13 | 2020-01-10 | 贵州航天乌江机电设备有限责任公司 | Extraction and separation method of high-purity cannabidiol |
| CN111116322A (en) * | 2019-12-06 | 2020-05-08 | 云南金碧地生物科技有限公司 | Method for extracting cannabidiol beneficial to human health from industrial cannabis sativa |
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- 2021-02-09 CN CN202110175927.9A patent/CN112811989A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190010106A1 (en) * | 2017-07-07 | 2019-01-10 | Orochem Technologies, Inc. | Process for purification and separation of cannabinoids, from dried hemp and cannabis leaves |
| CN110314408A (en) * | 2019-08-01 | 2019-10-11 | 昆明萃醍生物科技有限公司 | A kind of extraction process of high-purity cannabidiol |
| CN110668923A (en) * | 2019-11-13 | 2020-01-10 | 贵州航天乌江机电设备有限责任公司 | Extraction and separation method of high-purity cannabidiol |
| CN111116322A (en) * | 2019-12-06 | 2020-05-08 | 云南金碧地生物科技有限公司 | Method for extracting cannabidiol beneficial to human health from industrial cannabis sativa |
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