CN115253379A - Device for accelerating dissolution of solvent and supercritical carbon dioxide fluid - Google Patents
Device for accelerating dissolution of solvent and supercritical carbon dioxide fluid Download PDFInfo
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- CN115253379A CN115253379A CN202210942608.0A CN202210942608A CN115253379A CN 115253379 A CN115253379 A CN 115253379A CN 202210942608 A CN202210942608 A CN 202210942608A CN 115253379 A CN115253379 A CN 115253379A
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- carbon dioxide
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- 239000012530 fluid Substances 0.000 title claims abstract description 57
- 239000002904 solvent Substances 0.000 title claims abstract description 52
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 22
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 22
- 238000004090 dissolution Methods 0.000 title claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 75
- 238000000605 extraction Methods 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 abstract description 31
- 239000000126 substance Substances 0.000 abstract description 8
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 239000000284 extract Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000003815 supercritical carbon dioxide extraction Methods 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0403—Solvent extraction of solutions which are liquid with a supercritical fluid
- B01D11/0407—Solvent extraction of solutions which are liquid with a supercritical fluid the supercritical fluid acting as solvent for the solute
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0426—Counter-current multistage extraction towers in a vertical or sloping position
- B01D11/0434—Counter-current multistage extraction towers in a vertical or sloping position comprising rotating mechanisms, e.g. mixers, rotational oscillating motion, mixing pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/10—Dissolving using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/80—After-treatment of the mixture
- B01F23/802—Cooling the mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/80—After-treatment of the mixture
- B01F23/811—Heating the mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
- B01F27/701—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers
- B01F27/706—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers with all the shafts in the same receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/72—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
- B01F27/721—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two or more helices in the same receptacle
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention relates to the technical field of supercritical, and discloses a device for accelerating dissolution of a solvent and supercritical carbon dioxide fluid. The device for accelerating the dissolution of the solvent and the supercritical carbon dioxide fluid has the advantages that after the extraction of the special solvent and the supercritical fluid mixture is finished, the special solvent and the supercritical fluid mixture immediately pass through the discharge port, then enter the nozzle, are sprayed out of the nozzle and enter the separation kettle, workers change the temperature condition in the inner cavity of the separation kettle by controlling the refrigeration system and the heat exchange system, control the pressure in the inner cavity of the separation kettle by controlling the pressure protection control system, so that the special solvent and the supercritical fluid mixture fluid is quickly gasified, and dissolved substances are resolved out to achieve the separation purpose.
Description
Technical Field
The invention relates to the technical field of supercritical, in particular to a device for accelerating the dissolution of a solvent and supercritical carbon dioxide fluid.
Background
The supercritical fluid technology is a novel separation technology in modern chemical separation, wherein the supercritical carbon dioxide extraction adopts carbon dioxide as a solvent, the density and the interfacial electric constant of a carbon dioxide fluid in a supercritical state are large, the solubility to natural substances is large, and the carbon dioxide fluid is changed rapidly along with the change of pressure and temperature. Therefore, the solubility of certain substances is selected, the solvent and the extract are very easy to separate, and the supercritical carbon dioxide extraction is particularly suitable for extracting fat-soluble, high-boiling-point and thermosensitive substances and also suitable for finely separating different components, namely supercritical rectification. Currently, supercritical carbon dioxide is mainly used as a solvent for extraction and purification of many products such as organisms, foods, pharmaceuticals, etc. Therefore, to promote the development of supercritical fluid technology, we propose a device to accelerate the dissolution of solvent and supercritical carbon dioxide fluid.
Disclosure of Invention
In order to realize the advantages, the invention provides a device for accelerating the dissolution of a solvent and supercritical carbon dioxide fluid, which has the advantages of low supercritical temperature, suitability for the extraction and purification of heat-sensitive compounds, capability of providing an inert environment, no influence on the effective components of extracts, high extraction speed, no toxicity, no flammability, complete use, no environmental pollution, no solvent residue, no nitrate and heavy metal ions and the like, and avoids oxidation.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a device that solvent and supercritical carbon dioxide fluid dissolve with higher speed, includes the device main part, the inside of device main part is provided with the extraction cauldron, the outside of extraction cauldron is connected with the feed inlet, the inboard of feed inlet is connected with cauldron internal chamber, the inside of cauldron internal chamber is provided with drive gear, the inside of cauldron internal chamber is provided with driving motor, driving motor's the outside is connected with the connecting rod, the body of rod top of connecting rod is connected with the drive axle center, the outside in drive axle center is connected with the installation pole, the internal connection of installation pole has buffer spring, buffer spring's the outside is connected with the agitator, drive gear's the outside is connected with stirring screw, the discharge gate has been seted up to the bottom of cauldron internal chamber.
Preferably, the bottom of device main part is provided with the separation cauldron, the inside of separation cauldron is provided with the separation cauldron inner chamber, the outside of separation cauldron inner chamber is provided with the protection inner wall, the inside of separation cauldron is provided with refrigerating system, the inside of separation cauldron is provided with heat transfer system, the inside of separation cauldron just is located bottom fixed mounting and has pressure protection control system, the inside of separation cauldron inner chamber sets up and is located the below of discharge gate and is connected with the nozzle.
Preferably, the refrigeration system and the heat exchange system are respectively positioned on the right side and the left side of the inner wall of the separation kettle.
Preferably, the nozzle is connected with the discharge port, and the nozzle is inserted in the separation kettle.
Preferably, the stirring propellers are spirally surrounded, are provided with four groups which are symmetrical and are arranged inside the inner cavity of the kettle body.
Preferably, the pressure protection control system is installed below the protection inner wall to protect the protection inner wall.
Has the beneficial effects that:
1. the device for accelerating the dissolution of the solvent and the supercritical carbon dioxide fluid comprises the steps that the special solvent and the supercritical fluid are added from a feeding hole at the same time, the mixture of the special solvent and the supercritical fluid immediately enters an inner cavity of a kettle body, a driving motor is started immediately, the driving motor then drives a connecting rod to rotate synchronously, the top end of the connecting rod is connected with a driving shaft center, the driving shaft center immediately moves synchronously, the driving shaft center then drives a mounting rod to rotate synchronously, the mounting rod then drives a stirrer to rotate synchronously, the stirring and the mixing of the special solvent and the supercritical fluid mixture are realized along with the rotation of the stirrer, meanwhile, a driving gear drives a stirring propeller to rotate synchronously, the stirring propeller immediately keeps stirring of the mixture of the special solvent and the supercritical fluid, the mixture is rapidly dissolved, and the extraction is finally completed.
2. The device for accelerating the dissolution of the solvent and the supercritical carbon dioxide fluid has the advantages that after the extraction of the special solvent and the supercritical fluid mixture is finished, the special solvent and the supercritical fluid mixture immediately pass through the discharge port, then enter the nozzle, are sprayed out of the nozzle and enter the separation kettle, workers change the temperature condition in the inner cavity of the separation kettle by controlling the refrigeration system and the heat exchange system, control the pressure in the inner cavity of the separation kettle by controlling the pressure protection control system, so that the special solvent and the supercritical fluid mixture fluid is quickly gasified, and dissolved substances are resolved out to achieve the separation purpose.
Drawings
FIG. 1 is a schematic view of the connection structure of the main body of the device of the present invention;
FIG. 2 is a schematic view of the connection structure of the extraction vessel of the present invention;
FIG. 3 is a schematic view of the connecting rod connection structure of the present invention;
FIG. 4 is a schematic view of the connection structure of the stirrer according to the present invention;
FIG. 5 is a schematic view of the connection structure of the separation vessel of the present invention;
FIG. 6 is an enlarged view of the connection of the area A in FIG. 5 according to the present invention.
In the figure: 1. a device main body; 2. an extraction kettle; 201. a feed inlet; 202. an inner cavity of the kettle body; 203. a drive gear; 204. a drive motor; 205. a connecting rod; 206. a drive axis; 207. mounting a rod; 208. a buffer spring; 209. a stirrer; 210. a stirring propeller; 3. a discharge port; 4. a separation kettle; 401. an inner cavity of the separation kettle; 402. protecting the inner wall; 403. a refrigeration system; 404. a heat exchange system; 405. a pressure protection control system; 406. and (4) a nozzle.
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.
Example one
Referring to fig. 1-4, a device for accelerating dissolution of a solvent and supercritical carbon dioxide fluid comprises a device main body 1, an extraction kettle 2 is arranged inside the device main body 1, a feed inlet 201 is connected to the outer side of the extraction kettle 2, a kettle inner cavity 202 is connected to the inner side of the feed inlet 201, a drive gear 203 is arranged inside the kettle inner cavity 202, a drive motor 204 is arranged inside the kettle inner cavity 202, a connecting rod 205 is connected to the outer side of the drive motor 204, a drive shaft center 206 is connected to the top end of a rod body of the connecting rod 205, a mounting rod 207 is connected to the outer side of the drive shaft center 206, a buffer spring 208 is connected to the inner side of the mounting rod 207, a stirrer 209 is connected to the outer side of the buffer spring 208, a stirring propeller 210 is connected to the outer side of the drive gear 203, the stirring propeller 210 is spirally wound, four symmetrical groups are arranged inside the kettle inner cavity 202, and a discharge outlet 3 is formed at the bottom end of the kettle inner cavity 202.
The bottom of device main part 1 is provided with separation cauldron 4, the inside of separation cauldron 4 is provided with separation cauldron inner chamber 401, the outside of separation cauldron inner chamber 401 is provided with protection inner wall 402, the inside of separation cauldron 4 is provided with refrigerating system 403, the inside of separation cauldron 4 is provided with heat transfer system 404, refrigerating system 403 and heat transfer system 404 are located the right side and the left side of separation cauldron 4 inner wall respectively, the inside of separation cauldron 4 just is located bottom fixed mounting and has pressure protection control system 405, pressure protection control system 405 installs the below at protection inner wall 402, protect it, the inside of separation cauldron inner chamber 401 sets up and is located the below of discharge gate 3 and is connected with nozzle 406, nozzle 406 and discharge gate 3 interconnect, nozzle 406 is pegged graft in the inside of separation cauldron 4.
The special solvent and the supercritical fluid are added from the feed inlet 201 at the same time, the mixture of the special solvent and the supercritical fluid immediately enters the inner cavity 202 of the kettle body, the driving motor 204 is started immediately, the driving motor 204 then drives the connecting rod 205 to synchronously rotate, the top end of the connecting rod 205 is connected with the driving shaft center 206, the driving shaft center 206 immediately synchronously moves, the driving shaft center 206 then drives the mounting rod 207 to synchronously rotate, the mounting rod 207 then drives the stirrer 209 to synchronously rotate, the stirring and mixing of the special solvent and the supercritical fluid mixture are realized along with the rotation of the stirrer 209, meanwhile, the driving gear 203 drives the stirring propeller 210 to synchronously rotate, the stirring propeller 210 immediately stirs and keeps stirring the mixture of the special solvent and the supercritical fluid, so that the special solvent and the supercritical fluid mixture are rapidly dissolved, and finally, the extraction is finished.
Example two
Referring to fig. 1 and 5-6, a device for accelerating dissolution of a solvent and supercritical carbon dioxide fluid comprises a device main body 1, an extraction kettle 2 is arranged inside the device main body 1, a feed inlet 201 is connected to the outer side of the extraction kettle 2, a kettle body inner cavity 202 is connected to the inner side of the feed inlet 201, a drive gear 203 is arranged inside the kettle body inner cavity 202, a drive motor 204 is arranged inside the kettle body inner cavity 202, a connecting rod 205 is connected to the outer side of the drive motor 204, a drive shaft center 206 is connected to the top end of a rod body of the connecting rod 205, a mounting rod 207 is connected to the outer side of the drive shaft center 206, a buffer spring 208 is connected to the inner side of the mounting rod 207, a stirrer 209 is connected to the outer side of the buffer spring 208, a stirring propeller 210 is connected to the outer side of the drive gear 203, the stirring propeller 210 is spirally wound, four symmetrical groups are arranged inside the kettle body inner cavity 202, and a discharge outlet 3 is arranged at the bottom end of the kettle body inner cavity 202.
The bottom of device main part 1 is provided with separation cauldron 4, the inside of separation cauldron 4 is provided with separation cauldron inner chamber 401, the outside of separation cauldron inner chamber 401 is provided with protection inner wall 402, the inside of separation cauldron 4 is provided with refrigerating system 403, the inside of separation cauldron 4 is provided with heat transfer system 404, refrigerating system 403 and heat transfer system 404 are located the right side and the left side of separation cauldron 4 inner wall respectively, the inside of separation cauldron 4 just is located bottom fixed mounting and has pressure protection control system 405, pressure protection control system 405 installs the below at protection inner wall 402, protect it, the inside of separation cauldron inner chamber 401 sets up and is located the below of discharge gate 3 and is connected with nozzle 406, nozzle 406 and discharge gate 3 interconnect, nozzle 406 is pegged graft in the inside of separation cauldron 4.
After the mixture of the special solvent and the supercritical fluid is extracted, the mixture immediately passes through the discharge hole 3, then enters the nozzle 406, is sprayed out from the nozzle 406, and enters the separation kettle 4, a worker changes the temperature condition in the inner cavity 401 of the separation kettle by controlling the refrigeration system 403 and the heat exchange system 404, controls the pressure in the inner cavity 401 of the separation kettle by controlling the pressure protection control system 405, so that the mixture fluid of the special solvent and the supercritical fluid is quickly gasified, and dissolved substances are resolved out to achieve the purpose of separation.
EXAMPLE III
Referring to fig. 1-6, a device for accelerating dissolution of a solvent and supercritical carbon dioxide fluid comprises a device main body 1, an extraction kettle 2 is arranged inside the device main body 1, a feed inlet 201 is connected to the outer side of the extraction kettle 2, a kettle inner cavity 202 is connected to the inner side of the feed inlet 201, a drive gear 203 is arranged inside the kettle inner cavity 202, a drive motor 204 is arranged inside the kettle inner cavity 202, a connecting rod 205 is connected to the outer side of the drive motor 204, a drive shaft center 206 is connected to the top end of a rod body of the connecting rod 205, a mounting rod 207 is connected to the outer side of the drive shaft center 206, a buffer spring 208 is connected to the inner side of the mounting rod 207, a stirrer 209 is connected to the outer side of the buffer spring 208, a stirring propeller 210 is connected to the outer side of the drive gear 203, the stirring propeller 210 is spirally wound, four symmetrical groups are arranged inside the kettle inner cavity 202, and a discharge outlet 3 is formed at the bottom end of the kettle inner cavity 202.
The special solvent and the supercritical fluid are added from the feed inlet 201 at the same time, the mixture of the special solvent and the supercritical fluid immediately enters the inner cavity 202 of the kettle body, the driving motor 204 is started immediately, the driving motor 204 then drives the connecting rod 205 to synchronously rotate, the top end of the connecting rod 205 is connected with the driving shaft center 206, the driving shaft center 206 immediately synchronously moves, the driving shaft center 206 then drives the mounting rod 207 to synchronously rotate, the mounting rod 207 then drives the stirrer 209 to synchronously rotate, the stirring and mixing of the special solvent and the supercritical fluid mixture are realized along with the rotation of the stirrer 209, meanwhile, the driving gear 203 drives the stirring propeller 210 to synchronously rotate, the stirring propeller 210 immediately stirs and keeps stirring the mixture of the special solvent and the supercritical fluid, so that the special solvent and the supercritical fluid mixture are rapidly dissolved, and finally, the extraction is finished.
The bottom of device main part 1 is provided with separation cauldron 4, the inside of separation cauldron 4 is provided with separation cauldron inner chamber 401, the outside of separation cauldron inner chamber 401 is provided with protection inner wall 402, the inside of separation cauldron 4 is provided with refrigerating system 403, the inside of separation cauldron 4 is provided with heat transfer system 404, refrigerating system 403 and heat transfer system 404 are located the right side and the left side of separation cauldron 4 inner wall respectively, the inside of separation cauldron 4 just is located bottom fixed mounting and has pressure protection control system 405, pressure protection control system 405 installs the below at protection inner wall 402, protect it, the inside of separation cauldron inner chamber 401 sets up and is located the below of discharge gate 3 and is connected with nozzle 406, nozzle 406 and discharge gate 3 interconnect, nozzle 406 is pegged graft in the inside of separation cauldron 4. After the mixture of the special solvent and the supercritical fluid is extracted, the mixture immediately passes through the discharge port 3, then enters the nozzle 406, is sprayed out from the nozzle 406, and enters the separation kettle 4, a worker changes the temperature condition in the inner cavity 401 of the separation kettle by controlling the refrigerating system 403 and the heat exchange system 404, controls the pressure in the inner cavity 401 of the separation kettle by controlling the pressure protection control system 405, so that the mixture fluid of the special solvent and the supercritical fluid is quickly gasified, and dissolved substances are resolved out to achieve the purpose of separation.
The working principle is as follows: when the device is used, a special solvent and a supercritical fluid are added from a feed inlet 201 at the same time, the mixture of the special solvent and the supercritical fluid immediately enters an inner cavity 202 of a kettle body, immediately, the driving motor 204 is started, the driving motor 204 then drives a connecting rod 205 to synchronously rotate, the top end of the connecting rod 205 is connected with a driving shaft center 206, the driving shaft center 206 immediately synchronously moves, the driving shaft center 206 then drives a mounting rod 207 to synchronously rotate, the mounting rod 207 then drives a stirrer 209 to synchronously rotate, the stirring and mixing of the special solvent and the supercritical fluid mixture are realized along with the rotation of the stirrer 209, simultaneously, the driving gear 203 drives a stirring propeller 210 to synchronously rotate, the stirring propeller 210 immediately stirs and keeps stirring the mixture of the special solvent and the supercritical fluid, so that the mixture is rapidly dissolved, and finally extraction is finished; after the mixture of the special solvent and the supercritical fluid is extracted, the mixture immediately passes through the discharge port 3, then enters the nozzle 406, is sprayed out from the nozzle 406, and enters the separation kettle 4, a worker changes the temperature condition in the inner cavity 401 of the separation kettle by controlling the refrigerating system 403 and the heat exchange system 404, controls the pressure in the inner cavity 401 of the separation kettle by controlling the pressure protection control system 405, so that the mixture fluid of the special solvent and the supercritical fluid is rapidly gasified, and dissolved substances are resolved out to achieve the separation purpose.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An apparatus for accelerating dissolution of a solvent with a supercritical carbon dioxide fluid, comprising an apparatus body (1), characterized in that: the inside of device main part (1) is provided with extraction cauldron (2), the outside of extraction cauldron (2) is connected with feed inlet (201), the inboard of feed inlet (201) is connected with cauldron internal chamber (202), the inside of cauldron internal chamber (202) is provided with drive gear (203), the inside of cauldron internal chamber (202) is provided with driving motor (204), the outside of driving motor (204) is connected with connecting rod (205), the body of rod top of connecting rod (205) is connected with drive axle center (206), the outside of drive axle center (206) is connected with installation pole (207), the internal connection of installation pole (207) has buffer spring (208), the outside of buffer spring (208) is connected with agitator (209), the outside of drive gear (203) is connected with stirring screw (210), discharge gate (3) have been seted up to the bottom of cauldron internal chamber (202).
2. An apparatus for accelerating the dissolution of a solvent with a supercritical carbon dioxide fluid as defined in claim 1, wherein: the bottom of device main part (1) is provided with separation cauldron (4), the inside of separation cauldron (4) is provided with separation cauldron inner chamber (401), the outside of separation cauldron inner chamber (401) is provided with protection inner wall (402), the inside of separation cauldron (4) is provided with refrigerating system (403), the inside of separation cauldron (4) is provided with heat transfer system (404), the inside of separation cauldron (4) just is located bottom fixed mounting and has pressure protection control system (405), the inside of separation cauldron inner chamber (401) sets up and is located the below of discharge gate (3) and is connected with nozzle (406).
3. An apparatus for accelerating the dissolution of a solvent with a supercritical carbon dioxide fluid as defined in claim 2, wherein: the refrigerating system (403) and the heat exchange system (404) are respectively positioned on the right side and the left side of the inner wall of the separation kettle (4).
4. An apparatus for accelerating the dissolution of a solvent with a supercritical carbon dioxide fluid as defined in claim 2, wherein: the nozzle (406) is connected with the discharge hole (3), and the nozzle (406) is inserted in the separation kettle (4).
5. The apparatus of claim 1, wherein the apparatus further comprises: the stirring propellers (210) are spirally surrounded, are provided with four groups which are symmetrical and are arranged in the inner cavity (202) of the kettle body.
6. An apparatus for accelerating the dissolution of a solvent with a supercritical carbon dioxide fluid as defined in claim 1, wherein: the pressure protection control system (405) is arranged below the protection inner wall (402) to protect the protection inner wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210942608.0A CN115253379A (en) | 2022-08-08 | 2022-08-08 | Device for accelerating dissolution of solvent and supercritical carbon dioxide fluid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210942608.0A CN115253379A (en) | 2022-08-08 | 2022-08-08 | Device for accelerating dissolution of solvent and supercritical carbon dioxide fluid |
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| CN115253379A true CN115253379A (en) | 2022-11-01 |
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| CN209890696U (en) * | 2019-03-27 | 2020-01-03 | 中稀(常熟)稀土新材料有限公司 | Extracting agent diluting device for rare earth extraction |
| CN213433078U (en) * | 2020-10-12 | 2021-06-15 | 天津瑞海潮科技有限公司 | Supercritical carbon dioxide extraction tank |
| CN112316488A (en) * | 2020-11-12 | 2021-02-05 | 衡阳市凯信化工试剂股份有限公司 | Extraction equipment for chemical reagent production |
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