CN219539485U - Spice extract continuous solvent leaching system - Google Patents
Spice extract continuous solvent leaching system Download PDFInfo
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- CN219539485U CN219539485U CN202320848178.6U CN202320848178U CN219539485U CN 219539485 U CN219539485 U CN 219539485U CN 202320848178 U CN202320848178 U CN 202320848178U CN 219539485 U CN219539485 U CN 219539485U
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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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Abstract
The utility model discloses a spice extract continuous solvent leaching system, which comprises a series-connected extraction kettle group, wherein the series-connected extraction kettle group comprises a plurality of extraction kettles which are arranged in series; the liquid outlet of the former extraction kettle and the liquid inlet of the latter extraction kettle in the series extraction kettle group are respectively provided with a transfusion pipeline; a transfusion pipeline is connected between the liquid outlet of the last extraction kettle and the liquid inlet of the first extraction kettle in the series extraction kettle group; the liquid inlet of each extraction kettle in the series extraction kettle group is communicated with the liquid inlet main pipeline, and the liquid outlet of each extraction kettle is communicated with the liquid outlet main pipeline; the main liquid inlet pipeline is also connected with a solvent storage tank; the main liquid outlet pipeline is also connected with a concentration tank; according to the utility model, the extraction kettles are connected in series, and meanwhile, the main liquid outlet pipeline is connected with only one concentration tank, so that a plurality of extraction kettles share the same concentration tank, the use quantity of the concentration tanks can be reduced, and the equipment cost, the running cost and the occupied space cost are reduced.
Description
Technical Field
The utility model belongs to the technical field of solvent leaching equipment, and particularly relates to a continuous solvent leaching system for spice extract.
Background
The spice extract solvent leaching system is a complete equipment system for extracting the effective components in the spice by a leaching (also called extraction) method, and generally comprises an extraction kettle, wherein the extraction kettle is connected with a concentration tank, and the extraction kettle and the concentration tank are connected with a solvent storage tank.
In the extraction process, the solvent is introduced into an extraction kettle, the active ingredients in the spice are transferred into the solvent, then the solvent containing the active ingredients is sent into a concentration tank, the solvent is stirred, heated and evaporated in the concentration tank to obtain the active ingredients of the spice, and the evaporated solvent is condensed, recovered and stored in a solvent storage tank for standby.
In this system, one extraction tank is collocated with one concentration tank (e.g., 500L extraction tank typically requires a 1000L concentration tank). When the yield is required to be improved, the matched extraction kettle and the concentration tank are required to be added, so that the equipment cost, the running cost, the occupied space cost and the like are greatly improved.
Disclosure of Invention
The utility model aims to provide a continuous solvent leaching system for spice extracts, which can achieve the purpose of increasing the yield by increasing the number of extraction kettles and corresponding pipelines, and greatly reduces the equipment cost, the running cost and the occupied space cost when the yield is increased.
The utility model adopts the following technical scheme: a continuous solvent extraction system for spice extract comprises a series-connected extraction kettle group, wherein the series-connected extraction kettle group comprises a plurality of extraction kettles which are arranged in series;
the liquid outlet of the former extraction kettle and the liquid inlet of the latter extraction kettle in the series extraction kettle group are respectively provided with a transfusion pipeline; a transfusion pipeline is connected between the liquid outlet of the last extraction kettle and the liquid inlet of the first extraction kettle in the series extraction kettle group;
the liquid inlet of each extraction kettle in the series extraction kettle group is communicated with the liquid inlet main pipeline, and the liquid outlet of each extraction kettle is communicated with the liquid outlet main pipeline;
the main liquid inlet pipeline is also connected with a solvent storage tank;
the main liquid outlet pipeline is also connected with a concentration tank.
Further, a valve is arranged between the liquid inlet of each extraction kettle and the liquid inlet main pipeline.
Further, a valve is arranged between the liquid outlet of each extraction kettle and the main liquid outlet pipeline.
Further, a valve is arranged on each infusion pipeline.
Further, a condenser is arranged between the concentration tank and the solvent storage tank.
Further, a diaphragm pump is arranged on the main liquid outlet pipe.
Further, the series extraction kettle set comprises six extraction kettles.
The beneficial effects of the utility model are as follows: according to the utility model, the extraction kettles are connected in series, and meanwhile, the main liquid outlet pipeline is connected with only one concentration tank, so that a plurality of extraction kettles share the same concentration tank, the use quantity of the concentration tanks can be reduced, and the equipment cost, the running cost and the occupied space cost are reduced.
Drawings
FIG. 1 is a schematic diagram of a continuous solvent extraction system for spice extract according to the present utility model;
FIG. 2 is a schematic diagram showing an initial start-up state of a continuous solvent extraction system for spice extract according to the present utility model;
FIG. 3 is a schematic diagram showing the operation of a first extraction tank of a continuous solvent extraction system for spice extract according to the utility model during a batch change;
fig. 4 is a schematic diagram of the operation state of the first extraction tank of the continuous solvent extraction system for spice extract according to the utility model after material replacement.
Wherein: 10. a solvent storage tank;
20. a series extraction kettle group; 21. a first extraction tank; 22. a second extraction kettle; 23. a third extraction kettle; 24. a fourth extraction kettle; 25. a fifth extraction kettle; 26. a sixth extraction kettle;
30. a condenser; 40. a concentrating tank; 50. a diaphragm pump.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
The utility model discloses a spice extract continuous solvent leaching system, which is shown in figure 1, and comprises a series extraction kettle group 20, wherein the series extraction kettle group 20 comprises a plurality of extraction kettles which are arranged in series; the liquid outlet of the former extraction kettle and the liquid inlet of the latter extraction kettle in the series extraction kettle group 20 are respectively provided with a liquid conveying pipeline; a transfusion pipeline is connected between the liquid outlet of the last extraction kettle and the liquid inlet of the first extraction kettle in the series extraction kettle group 20; the liquid inlet of each extraction kettle in the series extraction kettle group 20 is communicated with a liquid inlet main pipeline, and the liquid outlet of each extraction kettle is communicated with a liquid outlet main pipeline; the main liquid inlet pipeline is also connected with a solvent storage tank 10; the main liquid outlet pipe is also connected with a concentration tank 40.
In this embodiment, the number of the extraction tanks is at least two, and the number of the extraction tanks is at most not limited, but it is, of course, required to be designed according to the capacity of the extraction tank and the capacity of the concentration tank 40.
According to the utility model, the extraction kettles are connected in series, and meanwhile, the main liquid outlet pipeline is connected with only one concentration tank 40, so that a plurality of extraction kettles share the same concentration tank 40, the use quantity of the concentration tanks 40 can be reduced, and the equipment cost, the running cost and the occupied space cost are reduced.
In one embodiment, a valve is arranged between the liquid inlet of each extraction kettle and the liquid inlet main pipeline, a valve is arranged between the liquid outlet of each extraction kettle and the liquid outlet main pipeline, and a valve is arranged on each infusion pipeline. Through the arrangement of the valves, the working state of each extraction kettle connected in series can be adjusted, so that the flexibility of the system is improved, and the extraction kettles which are in operation and the extraction kettles which are not in operation are designated.
As a specific implementation manner, the condenser 30 is arranged between the concentration tank and the solvent storage tank, and the gas-phase solvent discharged from the concentration tank 40 can be condensed and recovered through the condenser 30, so that the utilization rate of the solvent is improved, and the running cost is further reduced.
In order to ensure that the solvent and the solvent mixed with the effective components of the spice in the system run smoothly in the pipeline and each device, a diaphragm pump 50 is arranged on the main liquid outlet pipeline, and the diaphragm pump 50 is arranged at the position, so that the smooth liquid outlet degree of each extraction kettle is increased while the smooth running of the system is ensured.
In one embodiment, series extraction tank set 20 includes six extraction tanks. The operation of the present utility model will be described below by taking the operation of this embodiment as an example.
Some preparation is needed before the system is started.
The water source heat pump, the water pump, the circulating hot water and the cooling water pipeline are qualified in test operation.
The boiler and the steam pipeline are good, and the personnel are in place.
The power supply, the illumination possesses the condition of transmitting power.
The compressed gas pipeline is good.
The item to be checked before the start.
The device (system) should be qualified in water intermodal (i.e. hydrostatic test and water-filling operation).
Before the solvent is introduced into the device, the parts inside the container removed by the hydrostatic test are reset, and the airtight system and the accumulated water removal are performed.
All meters and interlock systems are in an operational or ready-to-operate state.
And confirming that the switch positions of the valves and the blind through plates of the system meet the requirement of introducing solvent.
Confirm compliance of equipment, containers, piping, etc. within the system.
All safety shut-off valves have been locked in the fully open position and all safety systems are in normal operation.
Then, a loading start preparation is performed.
The state of each extraction kettle is checked.
The balance pipe valve and the solvent inlet valve on the first extraction kettle 21 are opened, the balance pipe valve on the solvent storage tank 10 is opened, the pipeline valve from the solvent storage tank 10 to the diaphragm pump 50 is opened, the liquid conversion valve is opened, then the power switch of the diaphragm pump 50 is opened, so that the solvent enters the first extraction kettle 21, the liquid level of the liquid level meter on the extraction kettle is observed, the material in the kettle is immersed by the solvent and is higher than the material by 20 to 30 cm (the flow rate of the solvent is controlled below the safe flow rate of 3.0-3.5 m/s in the conveying process of the solvent so as to avoid electrostatic hazard).
The solvent inlet valve and the balance pipe valve of the second extraction kettle 21 are opened, the solvent inlet valve of the first extraction kettle 21 is closed, and liquid is allowed to enter the second extraction kettle 22. After the second extraction kettle 22 is filled with solvent, a solvent inlet valve and a balance pipe valve of the third extraction kettle 23 are opened, the solvent inlet valve on the second extraction kettle 22 is closed, liquid flows into the third extraction kettle 23 until the third extraction kettle 23 is filled with solvent, a power valve of a diaphragm pump 50 is closed, and the solvent inlet valve of the third extraction kettle 23 is closed. And so on until all of the first extraction kettle 21, the second extraction kettle 22, the third extraction kettle 23, the fourth extraction kettle 24, the fifth extraction kettle 25 and the sixth extraction kettle 26 are immersed in the solvent. During soaking, the evacuation valve of the compressed air sub-cylinder is opened, and the pressure in the compressed air pipeline is removed to prevent accidents caused by leakage into the equipment.
Then series extraction and concentration are carried out.
The whole extraction process is serial extraction, and all valves of the six extraction kettles are closed after the material loading and soaking are completed. The method comprises the steps of opening a liquid inlet valve of a first extraction kettle 21, opening an upper and lower serial valve of the first extraction kettle 21 to a second extraction kettle 22, opening an upper and lower serial valve of the second extraction kettle 22 to a third extraction kettle 23, opening an upper and lower serial valve of the third extraction kettle 23 to a fourth extraction kettle 24, opening an upper and lower serial valve of the fourth extraction kettle 24 to a fifth extraction kettle 25, opening an upper and lower serial valve of the fifth extraction kettle 25 to a sixth extraction kettle 26, opening a liquid outlet valve of the sixth extraction kettle 26, opening an outlet valve of a solvent storage tank 10, opening a pipeline conversion valve of a diaphragm pump 50 to a concentration tank 40, opening a pneumatic switch of the diaphragm pump 50, enabling clean solvent in the solvent storage tank 10 to enter from the liquid inlet valve of the first extraction kettle 21, and flow out from a rear liquid outlet valve of the sixth extraction kettle 26, through a filter and the diaphragm pump 50, entering a concentration tank 40, and controlling the flow rate within a safe flow rate range. The liquid level in the concentration tank 40 is observed at any time by the observation mirror above the concentration tank 40, and the diaphragm pump 50 is turned off until the liquid level flowing into the concentration tank 40 rises to below the mirror. Because the balance valves of the six extraction kettles are all closed, the pressure in the tanks is consistent, the six extraction kettles are connected in series, the solvent enters from the liquid inlet valve of the first extraction kettle 21 and flows out from the liquid outlet valve of the sixth extraction kettle 26, the six extraction kettles are equivalent to a whole, and in the series extraction process, the raw materials in the extraction kettles connected in series are always soaked by the solvent and are in a leaching state.
And then enters a normal operation state.
In the series extraction process, the evaporation condition of the concentration tank 40 is mastered at any time, the concentration temperature in the tank is monitored, the time interval from the extraction kettle to the liquid inlet of the concentration tank is adjusted according to the liquid level of the concentration tank 40, and each time the solvent in the liquid inlet from the extraction kettle to the concentration tank is evaporated can be called one cycle. Typically, the duration of one cycle is about 1 hour. After more than 10 cycles, the extraction in the first extraction tank 21 is completed. As shown in fig. 2, the extraction series is a first extraction kettle 21, a second extraction kettle 22, a third extraction kettle 23, a fourth extraction kettle 24, a fifth extraction kettle 25 and a sixth extraction kettle 26. Closing the upper and lower valves of the first extraction kettle 21 to the second extraction kettle 22, closing the liquid inlet valve of the first extraction kettle 21, opening the balance valve of the first extraction kettle 21, opening the front liquid outlet valve of the first extraction kettle 21, opening the liquid inlet valve of the second extraction kettle 21, opening the diaphragm pump 50 to the upper liquid inlet pipeline conversion valve, opening the diaphragm pump 50, pumping the solvent in the first extraction kettle 21 into the second extraction kettle 22 from the front liquid outlet below through the diaphragm pump 50 and the liquid inlet valve of the second extraction kettle 22, and the operation of emptying the solution in the first extraction kettle 21 at the present time is also equivalent to one cycle. After the first extraction kettle 21 is emptied, the balance valve of the first extraction kettle 21 is closed, the steam outlet valve of the first extraction kettle 21 is opened, the front liquid outlet valve below the first extraction kettle 21 is closed, the upper liquid inlet valve of the second extraction kettle 22 is closed, the liquid inlet valve of the second extraction kettle 22 is opened, and the steam inlet valve of the first extraction kettle 21 is opened. At this time, the operation of evaporating the residual solvent in the material in the first extraction tank 21 is started. The remaining five kettles can be continuously subjected to series extraction at this time, as shown in fig. 3, and the series state is that the second extraction kettle 22 is connected with the third extraction kettle 23, the fourth extraction kettle 24, the fifth extraction kettle 25 and the sixth extraction kettle 26. After the first extraction kettle 21 is finished in evaporating residual solvent, discharging and loading new materials, after loading, injecting clean solvent, closing a liquid inlet valve of the first extraction kettle 21, closing a balance valve of the first extraction kettle 21, opening an upper and lower serial valve of a sixth extraction kettle 26 and the first extraction kettle 21, closing a liquid outlet valve after the sixth extraction kettle 26, and opening a liquid outlet valve after the first extraction kettle 21, as shown in fig. 4, wherein the serial state of extraction is that the second extraction kettle 22 is serial with the third extraction kettle 23, the fourth extraction kettle 24 is serial with the fifth extraction kettle 25, and the sixth extraction kettle 26 is serial with the first extraction kettle 21. And (5) circularly working until the planned batch production task is finished.
24 hours a day, if six kettles are extracted, the solvent is distilled off for about 1 hour, the materials are filled and discharged for about 1 hour, the oil is discharged by heating the concentration tank for about 2 hours, and each kettle is soaked from the solvent to the exit, and the total time is about 20 hours and about 20 cycles. The operating costs are greatly reduced compared to the operation of providing one concentrating tank 40 for each extraction tank, and the number of concentrating tanks 40 is reduced.
Taking single kettle extraction in the prior art as an example, each extraction kettle needs to be circulated for 10 times, and 10 times of liquid inlet and 10 times of liquid outlet are needed. When the single extraction kettle is operated circularly, the more the last circulation times are, the less the effective components are dissolved in the solvent, and the concentration of the solution is in a low position. When the extraction kettle runs, 2 operators per class, because of the limitation of the circulation times and time, only 4 extraction kettles are loaded and discharged per class, 3 classes per day, 6 operators are required, and 12 kettles are loaded and discharged per day.
After the serial extraction kettles are operated in a mode, 6 extraction kettles are fed with liquid at the same time and discharged with liquid at the same time, so that the time for feeding and discharging the liquid is saved, after the serial extraction kettles are operated, the solvent is continuously added into a new extraction kettle, the effective components dissolved in the solvent are in an equilibrium state, the concentration of the solution is in a high position, and the extraction efficiency is improved. After the series-connected extraction kettle mode of the system is operated, 2 operators per class can load and unload 6 extraction kettles per class, 3 classes per day, 6 operators per class and 18 extraction kettles per day.
Through practical operation, the extraction yield (i.e. oil yield) of the series extraction kettle mode operation is basically consistent with that of the single kettle operation, but under the same time, the processing amount is improved by 1/3, and the processing cost is reduced by 1/3.
Claims (7)
1. The continuous solvent leaching system for the spice extract is characterized by comprising a series-connected extraction kettle group (20), wherein the series-connected extraction kettle group (20) comprises a plurality of extraction kettles which are arranged in series;
the liquid outlet of the former extraction kettle and the liquid inlet of the latter extraction kettle in the series extraction kettle group (20) are respectively provided with a liquid conveying pipeline; an infusion pipeline is connected between the liquid outlet of the last extraction kettle and the liquid inlet of the first extraction kettle in the series extraction kettle group (20);
the liquid inlet of each extraction kettle in the series extraction kettle group (20) is communicated with a liquid inlet main pipeline, and the liquid outlet of each extraction kettle is communicated with a liquid outlet main pipeline;
the main liquid inlet pipeline is also connected with a solvent storage tank (10);
the main liquid outlet pipeline is also connected with a concentration tank (40).
2. A continuous solvent extraction system for spice extracts as in claim 1 wherein a valve is provided between the inlet of each extraction kettle and the main inlet conduit.
3. A continuous solvent extraction system for spice extract as in claim 2 wherein a valve is provided between the outlet of each extraction kettle and the main outlet conduit.
4. A continuous solvent extraction system for spice extract as defined in claim 2 or 3 wherein a valve is mounted to each of said infusion lines.
5. A spice extract continuous solvent extraction system as claimed in claim 4 wherein a condenser (30) is provided between the concentrating tank and the solvent storage tank.
6. A continuous solvent extraction system for spice extract as claimed in claim 5, wherein a diaphragm pump (50) is provided on the main effluent pipe.
7. A spice extract continuous solvent leaching system as claimed in claim 5 or 6, wherein the series extraction kettle set (20) comprises six extraction kettles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320848178.6U CN219539485U (en) | 2023-04-17 | 2023-04-17 | Spice extract continuous solvent leaching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320848178.6U CN219539485U (en) | 2023-04-17 | 2023-04-17 | Spice extract continuous solvent leaching system |
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| Publication Number | Publication Date |
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| CN219539485U true CN219539485U (en) | 2023-08-18 |
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| CN202320848178.6U Active CN219539485U (en) | 2023-04-17 | 2023-04-17 | Spice extract continuous solvent leaching system |
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2023
- 2023-04-17 CN CN202320848178.6U patent/CN219539485U/en active Active
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