CN214075169U - Horizontal liquid-liquid extraction device - Google Patents
Horizontal liquid-liquid extraction device Download PDFInfo
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- CN214075169U CN214075169U CN202022946286.6U CN202022946286U CN214075169U CN 214075169 U CN214075169 U CN 214075169U CN 202022946286 U CN202022946286 U CN 202022946286U CN 214075169 U CN214075169 U CN 214075169U
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- 238000000622 liquid--liquid extraction Methods 0.000 title claims abstract description 24
- 238000000638 solvent extraction Methods 0.000 title claims abstract description 24
- 238000000605 extraction Methods 0.000 claims abstract description 197
- 238000003756 stirring Methods 0.000 claims abstract description 38
- 238000005192 partition Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims description 46
- 238000007789 sealing Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000000284 extract Substances 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 124
- 238000000034 method Methods 0.000 description 10
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 8
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 8
- 239000005711 Benzoic acid Substances 0.000 description 4
- 235000010233 benzoic acid Nutrition 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The application discloses a horizontal liquid-liquid extraction device, which comprises a horizontal extraction box, wherein a plurality of porous partition plates are arranged in the extraction box, the extraction box is divided into a plurality of stages of extraction chambers by the porous partition plates, the center of each porous partition plate is provided with a shaft hole, and a plurality of liquid-permeable holes are formed in the periphery of the outer side of the shaft hole; a stirring shaft horizontally penetrates through the extraction box, and one end of the stirring shaft penetrates out of the extraction box and is connected with a motor through a coupler; at least one layer of stirring paddle is fixedly arranged on the stirring shaft in each stage of extraction chamber; the upper part and the lower part of one end of the extraction box are respectively provided with a light phase inlet pipe and a heavy phase outlet pipe, the upper part and the lower part of the other end of the extraction box are respectively provided with a light phase outlet pipe and a heavy phase inlet pipe, and corresponding pipelines are respectively provided with a control valve. The extraction device of this application simple structure, the energy consumption is low, and the flexible operation, light phase solution and heavy phase can experience the multistage extraction in the extraction device of this application, and the equal intensive mixing of every level of extraction extracts, and it is effectual to extract.
Description
Technical Field
The application relates to a horizontal liquid-liquid extraction device.
Background
Liquid-liquid extraction is a traditional and effective method for separating and extracting organic substances from a solution, and the aim of separation is achieved by utilizing different distribution of solutes between two mutually soluble liquid phases. The extraction process is that the raw material liquid and the extracting agent are kept in close contact in a mixer, and solute is transferred from the raw material liquid to the extracting agent through liquid surfaces between two phases; after sufficient contact, mass transfer, the two liquid phases are allowed to separate into two layers in the separator due to the difference in density. The traditional tank-type extraction equipment is simple, is suitable for multi-stage continuous extraction operation, and has high extraction efficiency, but the traditional tank-type extraction equipment has the defects of openness, complex process and the like; in addition, the emulsion is easy to generate when the liquid with high viscosity is mixed, so that the phase separation is difficult and the separation time is prolonged.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems in the prior art, an object of the present application is to provide a horizontal liquid-liquid extraction apparatus, which has the characteristics of full-sealing, multiple extraction stages, etc.
The horizontal liquid-liquid extraction device is characterized by comprising an extraction box in a horizontal tubular structure, wherein a plurality of porous partition plates are arranged on the extraction box at intervals from left to right, the extraction box is divided into a plurality of stages of extraction chambers by the porous partition plates, the center of each porous partition plate is provided with an axle hole, and the periphery of the outer side of the axle hole is provided with a plurality of liquid-permeable holes; a stirring shaft horizontally penetrates through the extraction box, the stirring shaft penetrates through a shaft hole in the center of the porous partition plate, two ends of the extraction box are in sealed rotary connection with the stirring shaft, and one end of the stirring shaft penetrates out of the extraction box and is connected with a motor through a coupler; in the extraction box, at least one layer of stirring paddle is fixedly arranged on the stirring shaft in each stage of extraction chamber;
the extraction box starts from right to left, the upper part and the lower part of the first-stage extraction chamber are respectively provided with a light phase inlet pipe and a heavy phase outlet pipe, the upper part and the lower part of the last-stage extraction chamber are respectively provided with a light phase outlet pipe and a heavy phase inlet pipe, and corresponding pipelines are respectively provided with a control valve.
The horizontal liquid-liquid extraction device is characterized in that a light phase delivery pump is arranged on the light phase inlet pipe, and a heavy phase delivery pump is arranged on the heavy phase inlet pipe; the top of the extraction box is provided with an air outlet to exhaust redundant air in the extraction box; in the structure of each porous partition plate, a plurality of liquid-permeable holes are distributed in a multilayer annular array on the outer side of the shaft hole.
The horizontal liquid-liquid extraction device is characterized in that openings are formed in the left end and the right end of the extraction box, sealing heads for sealing are installed at the left end and the right end of the extraction box in a matched mode, the left end of the stirring shaft is connected with the sealing head at the left end of the extraction box in a sealed and rotating mode, the right end of the stirring shaft penetrates through a shaft hole in the center of the porous partition plate and then penetrates out of the sealing head at the right end of the extraction box and is connected with a motor through a coupler, and the sealing head at the right end of the extraction box is connected with the stirring shaft in a sealed and rotating mode.
The horizontal liquid-liquid extraction device is characterized in that a bracket base for supporting the extraction box is arranged at the bottom of the extraction box, and the bracket base is formed by splicing a plurality of brackets; wherein, adopt flange to splice the installation between a plurality of supports.
The horizontal liquid-liquid extraction device is characterized in that the light phase inlet pipe and the heavy phase outlet pipe are both arranged at the rightmost end of the first-stage extraction chamber, and the light phase outlet pipe and the heavy phase inlet pipe are both arranged at the leftmost end of the last-stage extraction chamber; the extraction box is averagely divided into a plurality of stages of extraction chambers by porous partition plates, and the volumes of the extraction chambers of each stage are the same;
the horizontal liquid-liquid extraction device is characterized in that the extraction box is formed by sequentially splicing a plurality of cylinder sections, and a porous partition plate is fixedly installed between the ports of two adjacent cylinder sections in a sealing manner; the aperture of the liquid permeating holes on the porous clapboard is 0.5-5 mm.
The using method of the horizontal liquid-liquid extraction device is characterized by comprising the following steps:
1) when the operation is started, opening an exhaust port at the top of the extraction box, and closing control valves on the heavy phase outlet pipe and the light phase outlet pipe; then respectively introducing a light phase solution and a heavy phase solution into the extraction box through a light phase inlet pipe and a heavy phase inlet pipe, closing an exhaust port at the top of the extraction box after the whole extraction box is filled with the liquid, and closing control valves on the light phase inlet pipe and the heavy phase inlet pipe to form a fully-closed system in the extraction box;
2) starting the stirring shaft to rotate through a motor, so that the mixed liquid in each extraction chamber of the extraction box is fully stirred and mixed;
3) step 2), after stirring is finished, carrying out liquid replacement once, wherein the liquid replacement process each time is as follows: standing and layering, opening a corresponding control valve, introducing fresh light-phase solution into the first-stage extraction chamber through a light-phase inlet pipe, allowing the light-phase solution in each stage of extraction chamber to flow into an adjacent next-stage extraction chamber under the thrust action of liquid, and discharging the light-phase solution in the last-stage extraction chamber outwards through a light-phase outlet pipe; meanwhile, fresh heavy phase solution is introduced into the last stage of extraction chamber through the heavy phase inlet pipe, under the thrust action of liquid, the heavy phase solution in each stage of extraction chamber flows towards the adjacent previous stage of extraction chamber, and the heavy phase solution in the first stage of extraction chamber is discharged outwards through the heavy phase outlet pipe; then closing all the corresponding control valves;
4) and 3) repeating the operation of the step 2) after the operation of the step 3) is finished, so that the step 2) and the step 3) are alternately carried out, and the multi-stage mixed extraction between the light-phase solution and the heavy-phase solution is realized.
Furthermore, the volumes of all levels of extraction chambers of the extraction box are the same, the volumes of light phase solutions in all levels of extraction chambers are the same, and the volumes of heavy phase solutions in all levels of extraction chambers are the same; and 3) when the liquid is changed for the first time, the total volume of the introduced fresh light phase solution is equal to the volume of the light phase solution in each stage of extraction chamber, and the total volume of the introduced fresh heavy phase solution is equal to the volume of the heavy phase solution in each stage of extraction chamber.
Compared with the prior art, the beneficial effect that this application was got is:
the extraction box of the application is of a horizontal tubular structure, and the change of the density difference of two phases in the extraction process cannot cause axial flow, so that the problem of back mixing can be reduced. The extraction box is separated into a plurality of stages of extraction chambers by the porous partition plate, the extraction box is totally enclosed when extraction is carried out, the stirring paddle blade rotates on a vertical surface and cannot generate horizontal thrust to liquid, and therefore extraction work in each stage of extraction chambers is mutually independent.
Adopt the extraction box of this application to extract the during operation light phase solution and heavy phase solution, through trading the liquid many times, light phase solution can follow first order extraction room and flow step by step towards last order extraction room, heavy phase solution can follow last order extraction room and flow step by step towards first order extraction room simultaneously, light phase solution and heavy phase solution have all carried out multistage extraction process in the extraction box, all obtained abundant mixing in extraction rooms at different levels, the contact, the extraction effect obtains great promotion.
Drawings
FIG. 1 is a schematic diagram of the structure of a horizontal liquid-liquid extraction apparatus of the present application;
fig. 2 is a schematic structural view of the porous separator of the present application.
Detailed Description
The present invention will be further described with reference to the following specific examples, but the scope of the present invention is not limited thereto.
Example 1: compare FIGS. 1-2
A horizontal liquid-liquid extraction device comprises an extraction box 8 in a horizontal tubular structure, wherein a plurality of porous partition plates 9 are arranged on the extraction box 8 at intervals from left to right, the extraction box 8 is divided into a plurality of stages of extraction chambers by the porous partition plates 9, the center of each porous partition plate 9 is provided with a shaft hole 19, and the periphery of the outer side of the shaft hole 19 is provided with a plurality of liquid-permeable holes 18; a stirring shaft 13 horizontally penetrates through the extraction box 8, the stirring shaft 13 penetrates through a shaft hole in the center of the porous partition plate 9, two ends of the extraction box 8 are in sealed rotary connection with the stirring shaft 13, and one end of the stirring shaft 13 penetrates out of the extraction box 8 and is connected with a motor 1 through a coupler 2; in the extraction box 8, at least one layer of stirring blades 11 is fixedly arranged on the stirring shaft 13 in each stage of extraction chamber.
The extraction box 8 starts from right to left, the upper part and the lower part of the first stage extraction chamber are respectively provided with a light phase inlet pipe 3 and a heavy phase outlet pipe 4, the upper part and the lower part of the last stage extraction chamber are respectively provided with a light phase outlet pipe 10 and a heavy phase inlet pipe 16, and corresponding pipelines are respectively provided with a control valve.
Referring to fig. 1, a light phase delivery pump 6 is arranged on the light phase inlet pipe 3, and a heavy phase delivery pump 15 is arranged on the heavy phase inlet pipe 16; the top of the extraction box 8 is provided with an exhaust port 12 to exhaust the redundant air in the extraction box 8.
Further, both ends all set up the opening and the cooperation is installed and are used for sealed head about extraction box 8, and the left end of (mixing) shaft 13 is connected with the left end head seal rotation of extraction box 8, and the right-hand member of (mixing) shaft 13 passes the back from the shaft hole at porous baffle 9 center, wears out and pass through coupling 2 from the right-hand member head of extraction box 8 and connect motor 1, and sealed rotation is connected between the right-hand member head of extraction box 8 and (mixing) shaft 13.
Referring to fig. 1, a support base for supporting the extraction box 8 is arranged at the bottom of the extraction box, and the support base is formed by splicing a plurality of supports 17; wherein, a plurality of supports 17 are spliced and installed by adopting the connecting flange 7.
Referring to fig. 1, a light phase inlet pipe 3 and a heavy phase outlet pipe 4 are both arranged at the rightmost end of the first-stage extraction chamber, and a light phase outlet pipe 10 and a heavy phase inlet pipe 16 are both arranged at the leftmost end of the last-stage extraction chamber; the extraction box 8 is averagely divided into a plurality of stages of extraction chambers by porous partition plates 9, and the volumes of the extraction chambers of each stage are the same.
In this application, extraction box 8 is formed by a plurality of shell legs concatenation in proper order, and sealed fixed mounting is one between the port of two adjacent shell legs porous partition plate 9 separates through a porous partition plate 9 between two adjacent shell legs promptly. And after the plurality of shell rings are spliced, the end socket for sealing is installed at the port of the outermost shell ring in a matched mode, namely the extraction box is installed. In the practical application process, the number of the shell ring used when the extraction box 8 is installed is changed, the number of stages of the extraction chamber of the extraction box 8 can be changed, the operation flexibility is good, and the extraction box can be suitable for extraction work under different production conditions.
In the application, the porous partition plate is provided with liquid permeating holes, but the aperture of the liquid permeating holes 18 on the porous partition plate 9 is 0.5-5mm, and the aperture of the liquid permeating holes 18 is small, so that the liquid has obvious resistance when passing through the liquid permeating holes. Therefore, when the stirring extraction work is carried out, the extraction chambers of all stages are mutually independent. When the liquid is changed, under the thrust action of fresh liquid, the upper layer liquid and the lower layer liquid in adjacent two stages of extraction chambers reversely flow, and the next stage of extraction process is respectively carried out.
Example 2:
the extraction box of the horizontal liquid-liquid extraction device has a structure as shown in figure 1, the extraction box is divided into 5 stages of extraction chambers by a porous partition plate, and the volume of each stage of extraction chamber is 2L. When the extraction tank is full of liquid, the upper part of each stage of extraction cell contains 1L of light phase solution and the lower part contains 1L of heavy phase solution.
In the structure of the extraction box, the diameter of the liquid-permeable holes on the porous partition plate is 2 mm.
The light phase solution is selected from n-octane containing 0.38wt% of benzoic acid, and the heavy phase solution is selected from deionized water.
In this example 2, when the horizontal liquid-liquid extraction apparatus shown in fig. 1 is used to extract the light phase solution and the heavy phase solution, the operation process is as follows:
1) when the operation is started, the exhaust port 12 at the top of the extraction box 8 is opened, and the control valves on the heavy phase outlet pipe 4 and the light phase outlet pipe 10 are closed; then respectively introducing a light phase solution and a heavy phase solution into the extraction box 8 through the light phase inlet pipe 3 and the heavy phase inlet pipe 16, closing an exhaust port 12 at the top of the extraction box 8 after the whole extraction box 8 is filled with the liquid, and closing control valves on the light phase inlet pipe 3 and the heavy phase inlet pipe 16 to form a fully-closed system in the extraction box 8;
2) starting the stirring shaft 13 to rotate through the motor 1, and stirring at the rotating speed of 400rpm for 1h, so that the mixed liquid in each extraction chamber of the extraction box 8 is fully stirred and mixed;
3) step 2), after stirring is finished, carrying out liquid replacement once, wherein the liquid replacement process each time is as follows: and standing for layering to ensure that the light-phase solution in each stage of extraction chamber is on the upper layer and the heavy-phase solution is on the lower layer. Then opening a corresponding control valve, introducing fresh light-phase solution into the first-stage extraction chamber through the light-phase inlet pipe 3, enabling the light-phase solution in each stage of extraction chamber to flow towards the adjacent next-stage extraction chamber under the action of liquid thrust, and discharging the light-phase solution in the last-stage extraction chamber outwards through the light-phase outlet pipe 10; meanwhile, fresh heavy phase solution is introduced into the last stage of extraction chamber through the heavy phase inlet pipe 16, under the thrust action of liquid, the heavy phase solution in each stage of extraction chamber flows towards the adjacent previous stage of extraction chamber, and the heavy phase solution in the first stage of extraction chamber is discharged outwards through the heavy phase outlet pipe 4; then closing all the corresponding control valves;
4) and 3) repeating the operation of the step 2) after the operation of the step 3) is finished, so that the step 2) and the step 3) are alternately carried out, and the multi-stage mixed extraction between the light-phase solution and the heavy-phase solution is realized.
In the above operation process, when the liquid is changed for the first time in step 3), the total volume of the introduced fresh light phase solution and the total volume of the introduced fresh heavy phase solution are both equal to 1L. Accordingly, the volume of liquid discharged through the heavy phase outlet pipe 4 to the outside and the volume of liquid discharged from the light phase outlet pipe 10 each time liquid exchange is performed are equal to 1L.
In the last extraction process, the fresh light-phase solution introduced into the extraction box 8 needs to be intermittently extracted once in the first, second, third, fourth and fifth-stage extraction chambers in sequence, namely the light-phase solution undergoes the 5-stage extraction process in the extraction box 8. The fresh heavy phase solution introduced into the extraction tank 8 needs to be intermittently extracted once in the fifth, fourth, third, second and first-stage extraction chambers in sequence, that is, the heavy phase solution undergoes the 5-stage extraction process in the extraction tank 8.
When the operation of the previous extraction process was stabilized, the detection analysis was performed on the light phase solution discharged from the light phase outlet pipe 10 and subjected to the 5-stage extraction process, and the result was that "the concentration of benzoic acid in n-octane became 0.055 wt%".
Comparative example 1:
the construction of the extraction tank of comparative example 1 is similar to that of example 2, except that "the extraction tank of comparative example 1 is not provided with a porous partition" and the rest of the construction is the same as that of example 2.
The light phase solution is selected from n-octane containing 0.38wt% of benzoic acid, and the heavy phase solution is selected from deionized water.
In comparative example 1, when the light phase solution and the heavy phase solution were extracted using a horizontal liquid-liquid extraction apparatus, the operation was as follows:
1) when the operation is started, the exhaust port 12 at the top of the extraction box 8 is opened, and the control valves on the heavy phase outlet pipe 4 and the light phase outlet pipe 10 are closed; then respectively introducing a light phase solution and a heavy phase solution into the extraction box 8 through the light phase inlet pipe 3 and the heavy phase inlet pipe 16, closing an exhaust port 12 at the top of the extraction box 8 after the whole extraction box 8 is filled with the liquid, and closing control valves on the light phase inlet pipe 3 and the heavy phase inlet pipe 16 to form a fully-closed system in the extraction box 8;
2) starting the stirring shaft 13 to rotate through the motor 1, and stirring at the rotating speed of 400rpm for 1h, so that the mixed liquid in each extraction chamber of the extraction box 8 is fully stirred and mixed;
3) step 2), after stirring is finished, carrying out liquid replacement once, wherein the liquid replacement process each time is as follows: and standing for layering to ensure that the light-phase solution in each stage of extraction chamber is on the upper layer and the heavy-phase solution is on the lower layer. Then, a corresponding control valve is opened, fresh light phase solution is introduced into the extraction box 8 through the light phase inlet pipe 3, and the extracted light phase solution is discharged outwards through the light phase outlet pipe 10. Introducing fresh heavy phase solution into the extraction box 8 through a heavy phase inlet pipe 16, and simultaneously discharging extracted heavy phase solution outwards through a heavy phase outlet pipe 4; then closing all the corresponding control valves;
4) and 3) repeating the operation of the step 2) after the operation of the step 3) is finished, so that the step 2) and the step 3) are alternately carried out, and multiple liquid change in the extraction process is realized.
In the above operation process, when the liquid is changed for the first time in step 3), the total volume of the introduced fresh light phase solution and the total volume of the introduced fresh heavy phase solution are both equal to 1L. Accordingly, the volume of liquid discharged through the heavy phase outlet pipe 4 to the outside and the volume of liquid discharged from the light phase outlet pipe 10 each time liquid exchange is performed are equal to 1L.
In the above extraction process, after the liquid change was performed 5 times, the light phase solution after the liquid change extraction was discharged from the light phase outlet pipe 10 and 5 times was subjected to detection analysis, and as a result, the concentration of benzoic acid in n-octane was changed to 0.179 wt%.
The description is given for the sake of illustration only, and should not be construed as limiting the scope of the invention to the particular forms set forth in the examples.
Claims (6)
1. A horizontal liquid-liquid extraction device is characterized by comprising an extraction box (8) in a horizontal tubular structure, wherein a plurality of porous partition plates (9) are arranged on the extraction box (8) at intervals from left to right, the extraction box (8) is divided into a plurality of stages of extraction chambers by the porous partition plates (9), the center of each porous partition plate (9) is provided with a shaft hole (19), and the periphery of the outer side of the shaft hole (19) is provided with a plurality of liquid-permeable holes (18);
a stirring shaft (13) is horizontally arranged in the extraction box (8) in a penetrating manner, the stirring shaft (13) is arranged in a shaft hole in the center of the porous partition plate (9) in a penetrating manner, two ends of the extraction box (8) are in sealed rotating connection with the stirring shaft (13), and one end of the stirring shaft (13) penetrates out of the extraction box (8) and is connected with a motor (1) through a coupler (2); in the extraction box (8), at least one layer of stirring paddle (11) is fixedly arranged on a stirring shaft (13) in each stage of extraction chamber;
the extraction box (8) starts from right to left, the upper part and the lower part of the first-stage extraction chamber are respectively provided with a light phase inlet pipe (3) and a heavy phase outlet pipe (4), the upper part and the lower part of the last-stage extraction chamber are respectively provided with a light phase outlet pipe (10) and a heavy phase inlet pipe (16), and corresponding pipelines are respectively provided with a control valve.
2. A horizontal liquid-liquid extraction apparatus according to claim 1, wherein the light phase inlet pipe (3) is provided with a light phase delivery pump (6), and the heavy phase inlet pipe (16) is provided with a heavy phase delivery pump (15); the top of the extraction box (8) is provided with an exhaust port (12) to exhaust redundant air in the extraction box (8); in the structure of each porous partition plate (9), a plurality of liquid-permeable holes (18) are distributed in a multilayer annular array on the outer side of the shaft hole.
3. The horizontal liquid-liquid extraction device as claimed in claim 1, wherein the left and right ends of the extraction box (8) are provided with openings and are provided with seal heads for sealing in a matching manner, the left end of the stirring shaft (13) is connected with the left end seal head of the extraction box (8) in a sealing and rotating manner, the right end of the stirring shaft (13) penetrates through the shaft hole in the center of the porous partition plate (9) and then penetrates out of the right end seal head of the extraction box (8) and is connected with the motor (1) through the shaft coupling (2), and the right end seal head of the extraction box (8) is connected with the stirring shaft (13) in a sealing and rotating manner.
4. A horizontal liquid-liquid extraction apparatus according to claim 1 wherein the bottom of the extraction tank (8) is provided with a support base for supporting the extraction tank, the support base being formed by splicing a plurality of supports (17); wherein, a plurality of supports (17) are spliced and installed by adopting a connecting flange (7).
5. A horizontal liquid-liquid extraction apparatus according to claim 1 wherein the light phase inlet pipe (3) and the heavy phase outlet pipe (4) are both disposed at the rightmost end of the first stage extraction chamber, and the light phase outlet pipe (10) and the heavy phase inlet pipe (16) are both disposed at the leftmost end of the last stage extraction chamber; the extraction box (8) is equally divided into a plurality of stages of extraction chambers by porous partition plates (9), and the volumes of the extraction chambers of each stage are the same.
6. A horizontal liquid-liquid extraction apparatus according to claim 1 wherein the extraction tank (8) is formed by sequentially splicing a plurality of cylindrical sections, and a porous partition plate (9) is fixedly mounted between the ports of two adjacent cylindrical sections in a sealing manner; the aperture of the liquid permeable holes (18) on the porous clapboard (9) is 0.5-5 mm.
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| CN112494988A (en) * | 2020-12-11 | 2021-03-16 | 浙江工业大学 | Horizontal liquid-liquid extraction device and use method thereof |
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| CN112494988A (en) * | 2020-12-11 | 2021-03-16 | 浙江工业大学 | Horizontal liquid-liquid extraction device and use method thereof |
| CN112494988B (en) * | 2020-12-11 | 2023-12-19 | 浙江工业大学 | Horizontal liquid-liquid extraction device and application method thereof |
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