CN211170628U - Plant crude oil dehydration and impurity removal device and supercritical extraction system - Google Patents
Plant crude oil dehydration and impurity removal device and supercritical extraction system Download PDFInfo
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- CN211170628U CN211170628U CN201921965809.2U CN201921965809U CN211170628U CN 211170628 U CN211170628 U CN 211170628U CN 201921965809 U CN201921965809 U CN 201921965809U CN 211170628 U CN211170628 U CN 211170628U
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Abstract
The utility model discloses a crude vegetable oil dehydration and impurity removal device and a supercritical extraction system, belonging to the technical field of extraction equipment, comprising a reaction kettle, wherein a stirring mechanism and a heating mechanism are arranged in the reaction kettle; the filter assembly comprises a conveying mechanism and a first filter mechanism, and the conveying mechanism, the first filter mechanism and the reaction kettle form a circulating filter loop; the vacuumizing assembly is communicated with the inner cavity of the reaction kettle and is configured to pump out water vapor in the reaction kettle. The utility model discloses a set up reation kettle, evacuation subassembly and filtering component, can realize dehydrating and the edulcoration to vegetable crude oil, improve vegetable crude oil's purity for vegetable crude oil is difficult for by the oxidation and leads to the acid value to rise, reduces the degree of difficulty of follow-up processing. The utility model discloses the supercritical fluid extraction system that the example provided has above-mentioned crude vegetable oil dehydration and edulcoration device, can directly dewater and the edulcoration to the crude vegetable oil that the extraction obtained, improves crude vegetable oil's purity, the crude vegetable oil's of being convenient for storage.
Description
Technical Field
The utility model relates to an extraction equipment technical field especially relates to a vegetable crude oil dehydration and edulcoration device and supercritical fluid extraction system.
Background
At present, natural spice extracts, namely essential oil and oleoresin, are important raw materials in the industries of food, daily chemicals, tobacco, medicine and the like in allergic economy. The traditional extraction method of the natural spice (spice) mainly comprises a steam and solvent extraction method, and the extract of the traditional extraction method of the natural spice (spice) changes the natural fragrance and flavor because of heating and volume residue in the extraction process.
In order to improve the problems, a supercritical fluid extraction technology appears, which is the most green, environment-friendly and safe natural product extraction technology internationally acknowledged at present, has low extraction temperature and no solvent residue, and keeps the pure natural quality of the raw materials of the extract. The supercritical extraction equipment separates the grease in the separation and analysis kettle through the change of pressure and temperature, and the grease is settled outside the kettle through gravity, but the vegetable crude oil obtained by the method contains water and impurities, so that the purity of the vegetable grease is seriously influenced, the oxidation process of the vegetable crude oil is easily accelerated, the acid value is increased, and the difficulty of subsequent treatment is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vegetable crude oil dehydration and edulcoration device and supercritical fluid extraction system to the realization is dehydrated and is edulcorated the vegetable crude oil, avoids the vegetable crude oil by the oxidation and leads to the acid value to rise.
As the conception, the utility model adopts the technical proposal that:
a plant crude oil dehydration and impurity removal device comprises a reaction kettle, wherein a stirring mechanism and a heating mechanism are arranged in the reaction kettle;
the filter assembly comprises a conveying mechanism and a first filter mechanism, and the conveying mechanism, the first filter mechanism and the reaction kettle form a circulating filter loop;
and the vacuumizing assembly is communicated with the inner cavity of the reaction kettle and is configured to pump out water vapor in the reaction kettle.
Further, the vacuumizing assembly comprises a first condenser and a vacuum pump, an inlet of the first condenser is communicated with the inner cavity of the reaction kettle, and an outlet of the first condenser is communicated with the vacuum pump.
Further, the vegetable crude oil dehydration and impurity removal device further comprises a second filtering mechanism, the first filtering mechanism is connected to the reaction kettle through a first pipeline, the second filtering mechanism is connected to the first pipeline through a second pipeline, and the first pipeline and the second pipeline are both provided with control valves.
Further, the first filtering mechanism is a plate filter, and the second filtering mechanism is a cloth bag filter.
Further, rabbling mechanism includes agitator motor and stirring subassembly, the stirring subassembly is located in the reation kettle and connect in agitator motor's output.
Further, heating mechanism is including encircleing the cover that presss from both sides that reation kettle's outer peripheral face set up, heat carrier entry and heat carrier export have been seted up on the cover, the heat carrier can by the heat carrier entry flow direction the heat carrier export.
Further, the vegetable crude oil dehydration and impurity removal device further comprises a temperature detection mechanism, and the temperature detection mechanism is arranged in the reaction kettle.
In order to realize the purpose, the utility model also provides a supercritical fluid extraction system, including the aforesaid vegetable crude oil dehydration and edulcoration device.
Further, supercritical fluid extraction system still includes the extraction cauldron, first separation heat exchanger, the analytic cauldron of oil-gas separation, second separation heat exchanger, the analytic cauldron of aqueous vapor separation, second condenser, sub-cooling heat exchanger, main pump and the extraction heat exchanger that connect gradually and form circulation circuit, the analytic cauldron of oil-gas separation connect in reation kettle for to reation kettle carries crude oil.
The utility model has the advantages that:
the utility model provides a vegetable crude oil dehydration and edulcoration device, through setting up reation kettle, evacuation subassembly and filtering component, be provided with rabbling mechanism and heating mechanism in the reation kettle, filtering component includes conveying mechanism and first filtering mechanism, conveying mechanism, first filtering mechanism and reation kettle constitute the loop filter, the evacuation subassembly is used for taking out the steam in the reation kettle, can realize dehydrating and the edulcoration to vegetable crude oil, improve vegetable crude oil's purity, make vegetable crude oil be difficult for by the oxidation and lead to the acid value to rise, reduce the degree of difficulty of subsequent processing.
The utility model provides a supercritical fluid extraction system has above-mentioned crude vegetable oil dehydration and edulcoration device, can directly dewater and the edulcoration to the crude vegetable oil that the extraction obtained to improve crude vegetable oil's purity, make crude vegetable oil be difficult for by the oxidation and lead to the acid value to rise, the crude vegetable oil's of being convenient for storage.
Drawings
Fig. 1 is a schematic diagram of a supercritical extraction system provided by the present invention;
FIG. 2 is a schematic view of the plant crude oil dehydration and impurity removal device provided by the present invention.
In the figure:
1. a plant crude oil dehydration and impurity removal device; 11. a reaction kettle; 111. a stirring motor; 112. a stirring assembly; 113. a heating mechanism; 12. a conveying mechanism; 13. a first filter mechanism; 14. a second filter mechanism; 15. a first condenser; 16. a vacuum pump;
101. a first pipeline; 102. a second pipeline;
21. a first extraction kettle; 22. a second extraction kettle; 3. a first separation heat exchanger; 4. an oil-gas separation and analysis kettle; 5. a second separation heat exchanger; 6. a water-gas separation and desorption kettle; 7. a second condenser; 8. an intermediate storage tank; 9. a sub-cooling heat exchanger; 10. an extraction heat exchanger; 20. and (4) a main pump.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the present embodiment provides a supercritical extraction system, which includes an extraction kettle, a first separation heat exchanger 3, an oil-gas separation analysis kettle 4, a second separation heat exchanger 5, a water-gas separation analysis kettle 6, a second condenser 7, an intermediate storage tank 8, a sub-cooling heat exchanger 9, a main pump 20, and an extraction heat exchanger 10, which are connected in sequence to form a circulation loop, wherein in the present embodiment, the extraction kettle is provided with two extraction kettles, the two extraction kettles are a first extraction kettle 21 and a second extraction kettle 22, and the first extraction kettle 21 and the second extraction kettle 22 are connected in series in the circulation loop. During operation, CO2The supercritical CO is obtained after passing through the sub-cooling heat exchanger 9, the main pump 20 and the extraction heat exchanger 102The crude vegetable oil in the extraction kettle is brought into an oil-gas separation analysis kettle 4 through a first separation heat exchanger 3, the temperature in the oil-gas separation analysis kettle 4 is reduced, and CO is generated2No longer in supercritical state, crude vegetable oil and CO2Separating, depositing the crude vegetable oil in an oil-gas separation and analysis kettle 4 by gravity, and separating CO2And after subsequent treatment, the next cycle is started again. The supercritical extraction technology is a mature technology in the prior art and is not described in detail herein.
The extracted vegetable crude oil contains water and impurities, the contact of the water and the impurities with air can cause the oxidation of the crude oil, and the acid value is increased, so that in order to take out the water and the impurities in the vegetable crude oil in time, the supercritical extraction system also comprises a vegetable crude oil dehydration and impurity removal device 1 to remove the water and the impurities in the vegetable crude oil, improve the purity of the vegetable crude oil, and ensure that the acid value of the vegetable crude oil can be kept stable for a long time.
Specifically, as shown in fig. 2, the plant crude oil dehydration and impurity removal device 1 provided by this embodiment includes a reaction kettle 11, a filtering component and a vacuum pumping component. The oil-gas separation analysis kettle 4 is connected to the reaction kettle 11 and can convey the vegetable crude oil into the reaction kettle 11. Be provided with rabbling mechanism and heating mechanism 113 in reation kettle 11, wherein, the rabbling mechanism includes agitator motor 111 and stirring subassembly 112, stirring subassembly 112 is located reation kettle 11 and connects in agitator motor 111's output, specifically, stirring subassembly 112 includes the (mixing) shaft and sets up in the stirring vane of (mixing) shaft, agitator shaft connection is in agitator motor 111's output shaft, can rotate under agitator motor 111's drive, thereby stir the vegetable crude oil in reation kettle 11, so that impurity among the vegetable crude oil can evenly distributed in vegetable crude oil, be convenient for subsequent filtration edulcoration.
Above-mentioned heating mechanism 113 is used for heating the crude vegetable oil in reation kettle 11, specifically, in this embodiment, heating mechanism 113 includes the cover that presss from both sides that encircles reation kettle 11's outer peripheral face setting, has seted up heat carrier entry and heat carrier export on pressing from both sides the cover, and the heat carrier can be by heat carrier entry flow direction heat carrier export to the crude vegetable oil in to reation kettle 11 heats. The heat carrier may be high-temperature steam, heat transfer oil, etc., and is not particularly limited herein. Of course, in other embodiments, the heating mechanism 113 may also be an electric heating structure or a microwave heating structure disposed in the reaction kettle 11.
The vacuumizing assembly is communicated with the inner cavity of the reaction kettle 11, and water vapor in the reaction kettle 11 can be pumped out. Specifically, in the present embodiment, the vacuum pumping assembly includes a first condenser 15 and a vacuum pump 16, an inlet of the first condenser 15 is communicated with the inner cavity of the reaction kettle 11, and an outlet of the first condenser 15 is communicated with the vacuum pump 16. After the vegetable crude oil is heated and stirred in the reaction kettle 11, water in the vegetable crude oil is evaporated, water vapor in the reaction kettle 11 can be extracted by the vacuum pump 16 at the moment, the water vapor is condensed into liquid water in the first condenser 15, so that the vegetable crude oil is dehydrated, the water vapor is condensed into the liquid water in the first condenser 15, the water vapor cannot enter the vacuum pump 16, and the work of the vacuum pump 16 cannot be influenced. In addition, the vacuum environment is formed in the reaction kettle 11 through the vacuum pump 16, so that the vegetable crude oil can be prevented from being oxidized to a certain extent.
The filtering component comprises a conveying mechanism 12 and a first filtering mechanism 13, wherein the conveying mechanism 12, the first filtering mechanism 13 and the reaction kettle 11 form a circulating filtering loop. Specifically, in the present embodiment, the conveying mechanism 12 is a centrifugal pump, and the first filtering mechanism 13 is a plate filter. When the centrifugal pump works, the plant crude oil can be driven to circularly flow between the reaction kettle 11 and the plate type filter, so that the plant crude oil is filtered, and impurities in the plant crude oil are removed. The plate filter and the centrifugal pump are common structures in supercritical extraction equipment, and are not described in detail herein.
The filter assembly further comprises a second filter mechanism 14, in this embodiment the second filter mechanism 14 is a bag filter. Specifically, the plate filter is connected to the reaction kettle 11 through a first pipeline 101, the cloth bag filter is connected to the first pipeline 101 through a second pipeline 102, control valves are arranged on the first pipeline 101 and the second pipeline 102, the control valve on the first pipeline 101 is located between the connection position of the second pipeline 102 and the first pipeline 101 and the reaction kettle 11, when the control valve on the second pipeline 102 is closed and the control valve on the first pipeline 101 is opened, the circulating filtration loop is communicated, and the vegetable crude oil circularly flows between the reaction kettle 11 and the plate filter to circularly filter the vegetable crude oil. When the control valve on the second pipeline 102 is opened and the control valve on the first pipeline 101 is closed, the circulating filtration loop is not communicated, and the vegetable crude oil is conveyed by the centrifugal pump and discharged through the plate filter and the cloth bag filter for subsequent treatment.
Of course, in other embodiments, the first filter mechanism 13 and the second filter mechanism 14 can be selected according to actual needs, and the two types of filters can be the same or different.
In order to realize the monitoring of the temperature of the crude vegetable oil in the reaction kettle 11, the crude vegetable oil dehydration and impurity removal device 1 further comprises a temperature detection mechanism, and the temperature detection mechanism is arranged in the reaction kettle 11. Specifically, the temperature detection mechanism may be a temperature sensor or a thermometer, and the embodiment is not particularly limited.
The operation of the vegetable crude oil dehydration and impurity removal apparatus 1 will be described in detail below.
The crude vegetable oil in the oil-gas separation and analysis kettle 4 enters the reaction kettle 11.
The first step is as follows: through setting up pressure release valve on reation kettle 11 with the pressure drop to the ordinary pressure in the reation kettle 11, at this in-process, stirring motor 111 drives stirring subassembly 112 and rotates and stir crude vegetable oil, and heating mechanism 113 heats crude vegetable oil to about 70 ℃ simultaneously. Make vegetable crude oil be in liquid through the heating, the stirring can be used for making impurity can the equipartition in vegetable crude oil to subsequent circulation filters.
The second step is that: the control valve on the first pipeline 101 is opened, the control valve on the second pipeline 102 is closed, the centrifugal pump works, under the driving of the centrifugal pump, the vegetable crude oil in the reaction kettle 11 is filtered by the plate filter and then returns to the reaction kettle 11 through the first pipeline 101 again, so as to carry out circulating filtration on the vegetable crude oil, the process lasts for a first preset time, and in the embodiment, the first preset time is ten minutes.
The third step: the centrifugal pump is turned off to return the vegetable crude oil to the reaction kettle 11, the heating mechanism 113 heats the vegetable crude oil to about 80 ℃, the vacuum pump 16 is turned on to extract the water vapor in the reaction kettle 11, and a negative pressure environment is formed in the reaction kettle 11, the water vapor condenses into liquid water in the first condenser 15, and the process lasts for a second preset time, which is ten minutes in this embodiment.
After a second predetermined time, the vacuum pump 16 is turned off, and the above first to third steps are repeated until the yield of crude oil in the supercritical extraction system reaches a maximum value (determined according to the type and volume of the supercritical system). Then, a proper amount of clay and activated carbon are added into the reaction kettle 11, water vapor in the reaction kettle 11 is pumped by the centrifugal pump again, then the vegetable crude oil is subjected to circulating filtration by the plate filter again, after the color of the vegetable crude oil is clear, the control valve on the first pipeline 101 is closed, the control valve on the second pipeline 102 is opened, and the vegetable crude oil is filtered by the plate filter and the cloth bag filter and then discharged.
To sum up, the crude vegetable oil dehydration and edulcoration device 1 that this embodiment provided, through setting up reation kettle 11, evacuation subassembly and filtering component, be provided with rabbling mechanism and heating mechanism 113 in the reation kettle 11, filtering component includes conveying mechanism 12 and first filtering mechanism 13, conveying mechanism 12, first filtering mechanism 13 and reation kettle 11 constitute the loop filter, the evacuation subassembly is used for taking out the steam in reation kettle 11, can realize dehydrating and the edulcoration to crude vegetable oil, improve crude vegetable oil's purity, make crude vegetable oil be difficult for by the oxidation and lead to the acid value to rise, reduce subsequent processing's the degree of difficulty.
The supercritical fluid extraction system that this embodiment provided has above-mentioned crude plant oil dehydration and edulcoration device 1, can directly dewater and the edulcoration to the crude plant oil that the extraction obtained to improve crude plant oil's purity, make crude plant oil be difficult for by the oxidation and lead to the acid number to rise, the storage of the crude plant oil of being convenient for.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a vegetable crude oil dehydration and edulcoration device which characterized in that includes:
a reaction kettle (11) which is internally provided with a stirring mechanism and a heating mechanism (113);
the filtering assembly comprises a conveying mechanism (12) and a first filtering mechanism (13), and the conveying mechanism (12), the first filtering mechanism (13) and the reaction kettle (11) form a circulating filtering loop;
the vacuumizing assembly is communicated with the inner cavity of the reaction kettle (11) and is configured to suck out water vapor in the reaction kettle (11).
2. The vegetable crude oil dewatering and impurity removing device according to claim 1, wherein the vacuum pumping assembly comprises a first condenser (15) and a vacuum pump (16), an inlet of the first condenser (15) is communicated with an inner cavity of the reaction kettle (11), and an outlet of the first condenser (15) is communicated with the vacuum pump (16).
3. The vegetable crude oil dewatering and impurity removing device according to claim 1, further comprising a second filtering mechanism (14), wherein the first filtering mechanism (13) is connected to the reaction kettle (11) through a first pipeline (101), the second filtering mechanism (14) is connected to the first pipeline (101) through a second pipeline (102), and control valves are arranged on the first pipeline (101) and the second pipeline (102).
4. The vegetable crude oil dewatering and impurity removing device according to claim 3, wherein the first filtering mechanism (13) is a plate filter, and the second filtering mechanism (14) is a cloth bag filter.
5. The vegetable crude oil dewatering and impurity removing device according to claim 1, wherein the stirring mechanism comprises a stirring motor (111) and a stirring assembly (112), and the stirring assembly (112) is located in the reaction kettle (11) and connected to an output end of the stirring motor (111).
6. The vegetable crude oil dehydration and impurity removal device according to claim 1, wherein the heating mechanism (113) comprises a jacket surrounding the outer peripheral surface of the reaction kettle (11), a heat carrier inlet and a heat carrier outlet are arranged on the jacket, and a heat carrier can flow from the heat carrier inlet to the heat carrier outlet.
7. The vegetable crude oil dehydration and impurity removal device according to claim 1, further comprising a temperature detection mechanism, wherein the temperature detection mechanism is disposed in the reaction kettle (11).
8. A supercritical extraction system comprising the vegetable crude oil dehydration and impurity removal apparatus according to any one of claims 1 to 7.
9. The supercritical extraction system according to claim 8, further comprising an extraction kettle, a first separation heat exchanger (3), an oil-gas separation analysis kettle (4), a second separation heat exchanger (5), a water-gas separation analysis kettle (6), a second condenser (7), a sub-cooling heat exchanger (9), a main pump (20) and an extraction heat exchanger (10) which are connected in sequence to form a circulation loop, wherein the oil-gas separation analysis kettle (4) is connected to the reaction kettle (11) and is used for conveying the vegetable crude oil to the reaction kettle (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921965809.2U CN211170628U (en) | 2019-11-14 | 2019-11-14 | Plant crude oil dehydration and impurity removal device and supercritical extraction system |
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| CN201921965809.2U CN211170628U (en) | 2019-11-14 | 2019-11-14 | Plant crude oil dehydration and impurity removal device and supercritical extraction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831343A (en) * | 2020-12-09 | 2021-05-25 | 齐齐哈尔市地合泰环保科技有限公司 | Waste mineral oil regeneration processing system |
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2019
- 2019-11-14 CN CN201921965809.2U patent/CN211170628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831343A (en) * | 2020-12-09 | 2021-05-25 | 齐齐哈尔市地合泰环保科技有限公司 | Waste mineral oil regeneration processing system |
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