CN214971891U - Fractional distillation and extraction device for plant effective components - Google Patents
Fractional distillation and extraction device for plant effective components Download PDFInfo
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- CN214971891U CN214971891U CN202120474078.2U CN202120474078U CN214971891U CN 214971891 U CN214971891 U CN 214971891U CN 202120474078 U CN202120474078 U CN 202120474078U CN 214971891 U CN214971891 U CN 214971891U
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- 238000000605 extraction Methods 0.000 title claims abstract description 32
- 238000004508 fractional distillation Methods 0.000 title claims description 12
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 239000004480 active ingredient Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 44
- 239000000498 cooling water Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 3
- 238000009835 boiling Methods 0.000 abstract description 21
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 7
- 239000012071 phase Substances 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Abstract
The utility model provides a hierarchical rectification extraction element of plant active ingredient, the material is heated the back at the heated warehouses, boils rapidly under vacuum environment, becomes the steam of different components, because the boiling point is different, the high composition of boiling is the liquid and is retrieved by the collecting tank at first, and active ingredient is according to the high low condensation of being rectified in proper order of boiling point, and the high composition of final boiling gets into condenser I, is the liquid by the condensation, reaches the effect that multistage rectification was drawed. In the separation process of the second stage, the third stage and other intermediate stages, the separated and condensed liquid components respectively enter the upper-level local heat exchanger as cooling media, and because the boiling points are close, the effective components in the intermediate local heat exchanger are accurately condensed, the rectification precision is high, and the purity of the obtained effective components is high.
Description
Technical Field
The utility model relates to a plant active ingredient rectification field of drawing, concretely relates to plant active ingredient fractional distillation extraction element.
Background
The extraction of the effective components of the plants has various modes, wherein the rectification extraction has the characteristics of convenient operation, various heat source forms and the like. The rectification extraction is a separation process for separating each component by utilizing different volatility of each component in a mixture, the rectification is usually carried out in a rectification tower, and gas-liquid two phases are contacted in a countercurrent way to carry out interphase heat and mass transfer. The volatile component in the liquid phase enters the gas phase, and the non-volatile component in the gas phase is transferred into the liquid phase, so that the nearly pure volatile component can be obtained at the top of the tower, and the nearly pure non-volatile component can be obtained at the bottom of the tower. The feed liquid is added from the middle part of the tower, and the tower section above the feed inlet further thickens the volatile component in the rising steam, which is called as a rectifying section; the section of the column below the feed opening, which extracts the volatile components from the descending liquid, is referred to as the stripping section. Condensing the vapor led out from the tower top, returning a part of condensate as reflux liquid from the tower top to the rectifying tower, and obtaining the rest distillate as a tower top product. The liquid extracted from the tower bottom is partially gasified by a reboiler, the vapor rises along the tower, and the rest liquid is used as a tower bottom product. The ratio of the amount of liquid refluxed into the column at the top of the column to the amount of product at the top of the column is called the reflux ratio, and the size of the reflux ratio affects the separation effect and the energy consumption of the rectification operation.
The existing multistage rectification mode generally utilizes multistage cooling water to carry out fractional rectification, and because the temperature of the cooling water is lower, the components of the rectified extract are complex, and the components with different melting points are often mixed together.
Disclosure of Invention
The utility model aims to provide a: aiming at the technical problems, the fractional distillation and extraction device for the effective ingredients of the plants is provided.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a plant active ingredient fractional distillation extraction element, including condenser I, storage tank I, condenser II, storage tank II, rectifier, condenser III, storage tank IV, vacuum heating tank, process valve, local heat exchanger I, collecting tank I, local heat exchanger II, collecting tank II, local heat exchanger III, column plate, collecting tank III, sealed flange assembly, supporter, heating bunker, vacuum pump, the apparatus is extracted the circuit to form by the grade, the top of the said vacuum heating tank communicates with rectifier, the top of the rectifier communicates with tube side of the local heat exchanger III, there is collecting tank III the bottom of the rectifier, there are openings in the bottom of collecting tank III, the opening couples to storage tank IV, form the first grade and extract the circuit; the top of the tube side of the local heat exchanger III is communicated with the bottom of the tube side of the local heat exchanger II, a liquid collecting tank II is arranged below the local heat exchanger II, an opening is formed in the bottom of the liquid collecting tank II, the opening in the bottom of the liquid collecting tank II is communicated with a shell side inlet of the local heat exchanger III, a shell side outlet of the local heat exchanger III is communicated with a steam end inlet of a condenser III, a condensate end outlet of the condenser III is communicated with an inlet of a storage tank III, and a second-stage extraction line is formed; the top of the tube side of the local heat exchanger II is communicated with the bottom of the tube side of the local heat exchanger I, a liquid collecting tank I is arranged below the local heat exchanger I, an opening is formed in the bottom of the liquid collecting tank I, the opening in the bottom of the liquid collecting tank I is communicated with a shell side inlet of the local heat exchanger II, a shell side outlet of the local heat exchanger II is communicated with a steam end inlet of a condenser II, and a condensate end of the condenser II is communicated with an inlet of a storage tank II to form a third-stage extraction line; the top of the tube side of the local heat exchanger I is communicated with the steam end inlet of the condenser I, and the condensate end of the condenser I is communicated with the inlet of the storage tank I to form a fourth-stage extraction line.
Furthermore, the vacuum heating tank is a vacuum sealing device and is free of non-condensable gas, a vacuum pump is connected to the outside of the vacuum heating tank, and a process valve is arranged at the bottom of the vacuum heating tank.
Furthermore, a heating bin is arranged inside the vacuum heating tank, a plurality of layers of storage racks are placed inside the heating bin, and the storage racks are used for placing materials to be extracted; and a heating device is arranged at the bottom of the heating bin.
Furthermore, the vacuum heating tank is provided with a bin door, and the bin door is connected and sealed with the heating bin through a sealing flange component.
Furthermore, the cooling water inlet end of the condenser I is connected with an external cooling water inlet, the cooling water outlet end of the condenser I is connected with the cooling water inlet end of the condenser II, the cooling water outlet end of the condenser II is connected with the cooling water inlet end of the condenser III, and the cooling water outlet end of the condenser III is connected with an external cooling water outlet to form a cooling water circulation circuit.
Furthermore, the interior of the rectifier is composed of a plurality of layers of tower plates which are in a segmental structure and are arranged in a staggered mode, the circular parts of the tower plates and the shell of the rectifier are in a sealed state, and the rectified liquid flows down from the segmental parts of the tower plates.
Compared with the prior art, the utility model discloses have as follows and show the effect:
(1) the purity is high. According to the technical scheme, the material is heated in the heating bin, and is boiled rapidly under vacuum environment, become the steam of different components, because the boiling point is different, the high composition of boiling point is the liquid at first condensation and is retrieved by the collecting tank, accomplish first grade separation, and in second grade and third grade separation process, the liquid composition after being separated the condensation gets into local heat exchanger II and local heat exchanger III respectively and is regarded as coolant, because the boiling point phase difference is not big, therefore the effective component in local heat exchanger II and the local heat exchanger III is by accurate condensation, the rectification precision is high, the effective component purity that obtains is high.
(2) And (4) multi-stage rectification and extraction. According to the technical scheme, the material is heated in the heating bin and then rapidly boils under the vacuum environment to form steam with different components, the components with high boiling points are firstly condensed into liquid and recovered by the liquid collecting tank due to different boiling points, the effective components are sequentially rectified and condensed according to the boiling points, and finally the components with the highest boiling points enter the condenser I and are condensed into liquid, so that the effect of multistage rectification and extraction is achieved.
(3) Energy is saved. According to the technical scheme, the utility model discloses make full use of each active ingredient's latent heat of vaporization, more energy-conserving.
(4) The heat source temperature is low. Because the device operates in a vacuum environment, the active ingredients can be boiled under the condition of a low-temperature heat source, the temperature of the heat source is low, and no harmful substances are generated.
Drawings
Fig. 1 is a schematic structural flow diagram of an embodiment of the present invention.
In the figure: condenser I1, storage tank I2, condenser II 3, storage tank II 4, rectifier 5, condenser III 6, storage tank III 7, storage tank IV 8, vacuum heating jar 9, process valve 10, local heat exchanger I11, collecting tank I12, local heat exchanger II 13, collecting tank II 14, local heat exchanger III 15, column plate 16, collecting tank III 17, sealing flange subassembly 18, supporter 19, heating bin 20, vacuum pump 21.
Detailed Description
The present invention is further illustrated by the following examples.
A fractional distillation extraction device for plant effective components takes four-stage distillation as a specific embodiment, as shown in figure 1: the device comprises a condenser I1, a storage tank I2, a condenser II 3, a storage tank II 4, a rectifier 5, a condenser III 6, a storage tank III 7, a storage tank IV 8, a vacuum heating tank 9, a process valve 10, a local heat exchanger I11, a liquid collecting tank I12, a local heat exchanger II 13, a liquid collecting tank II 14, a local heat exchanger III 15, a tower plate 16, a liquid collecting tank III 17, a sealing flange component 18, a storage rack 19, a heating bin 20 and a vacuum pump 21, and is composed of a grading extraction line, wherein the top of the vacuum heating tank 9 is communicated with the rectifier 5, the top of the rectifier 5 is communicated with a tube pass of the local heat exchanger III 15, the bottom of the rectifier 5 is provided with the liquid collecting tank III 17, the bottom of the liquid collecting tank III 17 is provided with an opening, and the opening is connected with the storage tank IV 8 to form a first-grade extraction line; the top of the tube side of the local heat exchanger III 15 is communicated with the bottom of the tube side of the local heat exchanger II 13, a liquid collecting tank II 14 is arranged below the local heat exchanger II 13, the bottom of the liquid collecting tank II 14 is provided with an opening, the opening at the bottom of the liquid collecting tank II 14 is communicated with a shell side inlet of the local heat exchanger III 15, a shell side outlet of the local heat exchanger III 15 is communicated with a steam end inlet of a condenser III 6, a condensate end outlet of the condenser III 6 is communicated with an inlet of a storage tank III 7, and a second-stage extraction line is formed; the top of the tube side of the local heat exchanger II 13 is communicated with the bottom of the tube side of the local heat exchanger I11, a liquid collecting tank I12 is arranged below the local heat exchanger I11, the bottom of the liquid collecting tank I12 is provided with an opening, the opening at the bottom of the liquid collecting tank I12 is communicated with a shell side inlet of the local heat exchanger II 13, a shell side outlet of the local heat exchanger II 13 is communicated with a steam end inlet of a condenser II 3, and a condensate end of the condenser II 3 is communicated with an inlet of a storage tank II 4 to form a third-stage extraction line; the tube side top of local heat exchanger I11 communicates with each other with the steam end import of condenser I1, and the condensate end of condenser I1 communicates with each other with the import of storage tank I2, constitutes the fourth grade and draws the circuit.
The working process is as follows: boiling the materials in the vacuum heating tank 9 after being heated, allowing the mixed steam to enter the rectifier 5 and the local heat exchanger III 15 for heat exchange and partial condensation, condensing the substances with low boiling points, dripping the condensed substances into the liquid collecting tank III 17 and entering the storage tank IV 8 for connection, and finishing the first-stage extraction; the residual mixed steam continuously flows upwards to enter a local heat exchanger II 13, the low-boiling-point components in the residual mixed steam are condensed into liquid, the liquid is introduced into the shell pass of the local heat exchanger III 15 through a liquid collecting tank II 14, the liquid exchanges heat with the steam with the lower boiling point in the shell pass of the local heat exchanger III 15, the substances with the lower boiling point are condensed, the substances with the higher boiling point are heated into a gas state and then introduced into a condenser III 6 to be condensed, in the process, the substances with the high boiling point and the substances with the high boiling point are exchanged, the condensed steam has high purity due to the closer boiling points, the circulation is carried out, and finally the components with the highest boiling point are introduced into a condenser I1 to be condensed into liquid, so that the working cycle of multi-stage rectification extraction is completed.
The vacuum heating tank 9 is a vacuum sealing device and has no non-condensable gas, a vacuum pump 21 is connected to the outside of the vacuum heating tank 9, and a process valve 10 is arranged at the bottom of the vacuum heating tank 9.
A heating bin 20 is arranged in the vacuum heating tank 9, a plurality of layers of storage racks 19 are arranged in the heating bin 20, and the storage racks 19 are used for storing materials to be extracted; the bottom of the heating bin 20 is provided with a heating device.
The vacuum heating tank 9 is provided with a bin door which is connected and sealed with a heating bin 20 through a sealing flange assembly 18.
The cooling water inlet end of the condenser I1 is connected with the external cooling water inlet, the cooling water outlet end of the condenser I1 is connected with the cooling water inlet end of the condenser II 3, the cooling water outlet end of the condenser II 3 is connected with the cooling water inlet end of the condenser III 6, and the cooling water outlet end of the condenser III 6 is connected with the external cooling water outlet to form a cooling water circulation circuit.
The interior of the rectifier 5 is composed of a plurality of layers of tower plates 16, the tower plates 16 are in a circular segmental structure and are arranged in a staggered mode, the circular parts of the tower plates 16 and the shell of the rectifier 5 are in a sealed state, and the rectified liquid flows down from the segmental parts of the tower plates 16.
Claims (6)
1. The utility model provides a plant active ingredient fractional distillation extraction element, including condenser I (1), storage tank I (2), condenser II (3), storage tank II (4), rectifier (5), condenser III (6), storage tank III (7), storage tank IV (8), vacuum heating jar (9), process valve (10), local heat exchanger I (11), collecting tank I (12), local heat exchanger II (13), collecting tank II (14), local heat exchanger III (15), column plate (16), collecting tank III (17), sealing flange subassembly (18), supporter (19), heating storehouse (20), vacuum pump (21), its characterized in that: the device comprises a grading extraction line, wherein the top of a vacuum heating tank (9) is communicated with a rectifier (5), the top of the rectifier (5) is communicated with a tube side of a local heat exchanger III (15), a liquid collecting tank III (17) is arranged at the bottom of the rectifier (5), an opening is formed in the bottom of the liquid collecting tank III (17), and the opening is connected with a storage tank IV (8) to form a first-stage extraction line; the top of the tube side of the local heat exchanger III (15) is communicated with the bottom of the tube side of the local heat exchanger II (13), a liquid collecting tank II (14) is arranged below the local heat exchanger II (13), the bottom of the liquid collecting tank II (14) is provided with an opening, the opening at the bottom of the liquid collecting tank II (14) is communicated with a shell side inlet of the local heat exchanger III (15), a shell side outlet of the local heat exchanger III (15) is communicated with a steam end inlet of the condenser III (6), and a condensate end outlet of the condenser III (6) is communicated with an inlet of the storage tank III (7), so that a second-stage extraction line is formed; the top of a tube side of the local heat exchanger II (13) is communicated with the bottom of the tube side of the local heat exchanger I (11), a liquid collecting tank I (12) is arranged below the local heat exchanger I (11), an opening is formed in the bottom of the liquid collecting tank I (12), the opening in the bottom of the liquid collecting tank I (12) is communicated with a shell side inlet of the local heat exchanger II (13), a shell side outlet of the local heat exchanger II (13) is communicated with a steam end inlet of the condenser II (3), and a condensate end of the condenser II (3) is communicated with an inlet of the storage tank II (4), so that a third-stage extraction line is formed; the top of the tube side of the local heat exchanger I (11) is communicated with the steam end inlet of the condenser I (1), and the condensate end of the condenser I (1) is communicated with the inlet of the storage tank I (2) to form a fourth-stage extraction line.
2. The fractional distillation and extraction device for effective components of plants according to claim 1, wherein: the vacuum heating tank (9) is a vacuum sealing device and is free of non-condensable gas, a vacuum pump (21) is connected to the outside of the vacuum heating tank (9), and a process valve (10) is arranged at the bottom of the vacuum heating tank (9).
3. The fractional distillation and extraction device for effective components of plants according to claim 1, wherein: a heating bin (20) is arranged in the vacuum heating tank (9), a plurality of layers of storage racks (19) are placed in the heating bin (20), and materials to be extracted are placed in the storage racks (19); and a heating device is arranged at the bottom of the heating bin (20).
4. The fractional distillation and extraction device for effective components of plants according to claim 1, wherein: the vacuum heating tank (9) is provided with a bin door, and the bin door is connected and sealed with the heating bin (20) through a sealing flange component (18).
5. The fractional distillation and extraction device for effective components of plants according to claim 1, wherein: the cooling water entrance point of condenser I (1) links to each other with the external cooling water import, and the cooling water exit end of condenser I (1) links to each other with the cooling water entrance point of condenser II (3), and the cooling water exit end of condenser II (3) links to each other with the cooling water entrance point of condenser III (6), and the cooling water exit end of condenser III (6) links to each other with the export of external cooling water, constitutes the circulation line of cooling water.
6. The fractional distillation and extraction device for effective components of plants according to claim 1, wherein: the interior of the rectifier (5) is composed of a plurality of layers of tower plates (16), the tower plates (16) are in a circular-segment-shaped structure and are arranged in a staggered mode, the circular parts of the tower plates (16) and the shell of the rectifier (5) are in a sealed state, and rectification liquid flows down from the circular parts of the tower plates (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120474078.2U CN214971891U (en) | 2021-03-05 | 2021-03-05 | Fractional distillation and extraction device for plant effective components |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120474078.2U CN214971891U (en) | 2021-03-05 | 2021-03-05 | Fractional distillation and extraction device for plant effective components |
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| CN214971891U true CN214971891U (en) | 2021-12-03 |
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| CN202120474078.2U Active CN214971891U (en) | 2021-03-05 | 2021-03-05 | Fractional distillation and extraction device for plant effective components |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117398710A (en) * | 2023-12-15 | 2024-01-16 | 山东长信化学科技股份有限公司 | Rectifying column separator convenient to impurity separation |
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2021
- 2021-03-05 CN CN202120474078.2U patent/CN214971891U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117398710A (en) * | 2023-12-15 | 2024-01-16 | 山东长信化学科技股份有限公司 | Rectifying column separator convenient to impurity separation |
| CN117398710B (en) * | 2023-12-15 | 2024-02-27 | 山东长信化学科技股份有限公司 | Rectifying column separator convenient to impurity separation |
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Address after: No.15 Heping Avenue, Meilan District, Haikou City, Hainan Province, 570100, Jintaihai Mingxuan Nanyuan 12B-F Patentee after: Hainan Shanshijia Health Technology Co.,Ltd. Address before: 570100 11-b1, 11th floor, Hong Kong Macao law exhibition building, Guomao Road, Longhua District, Haikou City, Hainan Province Patentee before: Hainan zhenbiaozhi Technology Co.,Ltd. |