CN217794650U - Novel continuous liquid-liquid extraction device - Google Patents
Novel continuous liquid-liquid extraction device Download PDFInfo
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- CN217794650U CN217794650U CN202221662677.8U CN202221662677U CN217794650U CN 217794650 U CN217794650 U CN 217794650U CN 202221662677 U CN202221662677 U CN 202221662677U CN 217794650 U CN217794650 U CN 217794650U
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Abstract
The utility model discloses a novel continuous liquid-liquid extraction device, which comprises a condenser pipe, a sample chamber, a separation part, a round-bottom flask and a connecting pipe, wherein the bottom of the condenser pipe is fixedly connected with the sample chamber, the bottom of the sample chamber is fixedly connected with the separation part, the bottom of the separation part is fixedly connected with the round-bottom flask, one side of the sample chamber is fixedly connected with the connecting pipe, and the other end of the connecting pipe is connected with the round-bottom flask; the lipophilic membrane is arranged, so that a water sample and a solvent can be completely separated, the sample can not be emulsified after extraction and does not contain water, demulsification and dehydration are not required subsequently, and the extraction quality is further ensured; through the connecting pipe and the condenser pipe that set up for solvent backflow time is short, and extraction efficiency is high, and need not manual operation, can handle the extract of low distribution coefficient, and solvent consumption is also less relatively.
Description
Technical Field
The utility model relates to an extraction field especially relates to novel continuous liquid-liquid extraction device.
Background
The liquid-liquid extraction method is a process of separating and extracting components in a liquid mixture by using a solvent, wherein the liquid mixture is added with a solvent which is immiscible (or slightly miscible) with the liquid mixture, and the aim of extraction is achieved by utilizing different solubilities of the components in the solvent.
Most liquid-liquid extraction adopts artifical or automatic mode to rock with separating funnel in the present detection area, utilizes atmospheric pressure fully to combine and violent collision with water sample and extractant in order to accomplish the extraction, and the follow-up dehydration that still needs of this kind of mode of extraction is handled, can not guarantee the extraction quality, and complex operation, extraction inefficiency, extravagant raw materials.
It is therefore desirable to provide a novel continuous liquid-liquid extraction apparatus to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that liquid-liquid extraction mostly takes artifical or automatic mode to rock with separating funnel in the present detection area, utilizes atmospheric pressure fully to combine and violent collision with water sample and extractant with the completion extraction, and the follow-up dehydration that still needs of the mode of this kind of extraction is handled, can not guarantee the extraction quality, and complex operation, and extraction inefficiency, extravagant raw materials.
In order to solve the technical problem, the utility model discloses a technical scheme be: providing a novel continuous liquid-liquid extraction device, which comprises a condenser pipe, a sample chamber, a separation part, a round-bottom flask and a connecting pipe, wherein the bottom of the condenser pipe is fixedly connected with the sample chamber, the bottom of the sample chamber is fixedly connected with the separation part, the bottom of the separation part is fixedly connected with the round-bottom flask, one side of the sample chamber is fixedly connected with the connecting pipe, and the other end of the connecting pipe is connected with the round-bottom flask; the condensing tube enables the solvent steam to enter the tube to be cooled into liquid reflux; the sample chamber is internally provided with a cylinder for accommodating a sample and a solvent to finish the extraction process; the separation part can complete the separation of the sample and the solvent according to the characteristics of the lipophilic membrane; the round-bottom flask is connected with a heating device to contain a solvent; the connecting pipe is mainly used for connecting the sample chamber and the round-bottom flask, and the solvent enters the condensing pipe through the connecting pipe after being heated;
the utility model discloses further set up to: the inner structure of the condensation pipe is spherical.
Through above-mentioned technical scheme, make condenser pipe backward flow effect very fast, promote extraction efficiency.
The utility model discloses further set up to: the separation component comprises a dropping tube and a lipophilic membrane, the dropping tube is fixedly connected with the bottom of the sample chamber, and the center of the dropping tube is fixedly connected with the lipophilic membrane.
Through the technical scheme, when the device is used, an L water sample is placed in a sample chamber, a solvent bottle is filled with mL organic solvent (such as CHCl), the solvent is heated by a water bath pot/an electric heating pot to keep boiling in the extraction process, solvent steam is condensed into liquid drops through a condenser pipe, the liquid drops of the solvent drop into the water sample in the sample chamber penetrate through the water sample to perform extraction, the liquid drops reach the bottom of the water sample, the volume of extraction liquid in the sample chamber is continuously increased along with the progress of the extraction process, the organic solvent can penetrate through the lipophilic membrane but cannot penetrate through the lipophilic membrane, and the solvent and a compound to be extracted enter a round bottom flask through the membrane to complete one extraction process; thus, pure solvent is continuously introduced into the aqueous phase, and lipophilic organic compounds in the aqueous phase are extracted and continuously brought into the solvent phase.
The utility model discloses further set up to: the outer wall of the lipophilic membrane is attached to the inner wall of the dropping liquid pipe.
Through the technical scheme, only the solvent with the extract can be treated in the separation assembly, and water does not enter the round-bottom flask.
The utility model discloses further set up to: the connecting pipe overall structure is the C type.
Through above-mentioned technical scheme, make the connecting pipe can send into the condenser pipe with vapour and accomplish the cooling.
The utility model discloses further set up to: the end of the connecting pipe connected with the sample chamber is close to the condensing pipe, and the end of the connecting pipe connected with the round-bottom flask is close to the separating part.
Through above-mentioned technical scheme, make the connecting pipe can convey the steam in the round flask to the condenser pipe in, realize the extraction process of backward flow, play the transmission effect.
The utility model has the advantages as follows:
1. the lipophilic membrane is arranged, so that a water sample and a solvent can be completely separated, the sample can not be emulsified after extraction and does not contain water, demulsification and dehydration treatment are not required in the subsequent process, and the extraction quality is further ensured;
2. the utility model discloses a connecting pipe and condenser pipe that set up for the solvent backflow time is short, and the extraction efficiency is high, and need not manual operation, can handle low distribution coefficient's extract, and solvent consumption is also less relatively.
Drawings
FIG. 1 is an external view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
In the figure: 1. a condenser tube; 2. a sample chamber; 3. a separating member; 31. a dropping tube; 32. a lipophilic membrane; 4. a round-bottom flask; 5. and (4) connecting the pipes.
Detailed Description
The following description of the preferred embodiments of the present invention will be provided with reference to the accompanying drawings, so that the advantages and features of the present invention can be easily understood by those skilled in the art, and the scope of the present invention can be clearly and clearly defined.
Referring to fig. 1, the novel continuous liquid-liquid extraction apparatus includes a condenser 1, a sample chamber 2, a separation member 3, a round-bottom flask 4, and a connecting pipe 5, wherein the condenser 1 has a spherical internal structure; the reflux effect of the condensation pipe 1 is faster, and the extraction efficiency is improved; the bottom of the condensation pipe 1 is fixedly connected with a sample chamber 2, the bottom of the sample chamber 2 is fixedly connected with a separation part 3, the bottom of the separation part 3 is fixedly connected with a round-bottom flask 4, one side of the sample chamber 2 is fixedly connected with a connecting pipe 5, and the other end of the connecting pipe 5 is connected with the round-bottom flask 4; the connecting pipe 5 is C-shaped in integral structure; so that the connecting pipe 5 can send the steam into the condensation pipe 1 to finish cooling; one end of the connecting pipe 5, which is connected with the sample chamber 2, is close to the condensation pipe 1, and one end of the connecting pipe 5, which is connected with the round-bottom flask 4, is close to the separation part 3; the connecting pipe 5 can convey steam in the round-bottom flask 4 to the condenser pipe 1, so that a reflux extraction process is realized, and a conveying effect is achieved; the condensation pipe 1 enables the solvent steam to enter the pipe to be cooled into liquid for backflow; the sample chamber 2 is filled with a sample and a solvent to finish the extraction process; the separation part 3 can complete the separation of the sample from the solvent according to the characteristics of the lipophilic membrane 32; the round-bottom flask 4 is connected with a heating device to contain a solvent; the connecting pipe 5 is mainly used for connecting the sample chamber 2 with the round-bottom flask 4, and the solvent enters the condensing pipe 1 through the connecting pipe 5 after being heated;
as shown in fig. 2, the separation component 3 comprises a dropping tube 31 and a lipophilic membrane 32, the dropping tube 31 is fixedly connected with the bottom of the sample chamber 2, and the center of the dropping tube 31 is fixedly connected with the lipophilic membrane 32; the outer wall of the lipophilic membrane 32 is attached to the inner wall of the dropping tube 31; so that only the solvent with the extract can be treated in the separation component 3, and water does not enter the round-bottom flask 4; when the device is used, 1L of water sample is placed in the sample chamber 2, and 300mL of organic solvent (such as CH) is filled in the solvent bottle 3 Cl 2 ) (ii) a In the extraction process, the solvent is heated by a water bath kettle/an electric heating pot to keep boiling, solvent vapor is condensed into liquid drops through a condensing tube 1, and the liquid drops are dripped into a water sample in a sample chamber 2; solvent drops penetrate through a water sample to be extracted, the drops reach the bottom of the water sample, the volume of the extraction liquid in the sample chamber 2 is continuously increased along with the progress of the extraction process, organic solvent can penetrate through the lipophilic membrane 32 but water cannot penetrate through the lipophilic membrane, and the solvent and a compound to be extracted enter the round-bottom flask 4 through the membrane to complete one extraction process; thus, pure solvent is continuously introduced into the aqueous phase, and lipophilic organic compounds in the aqueous phase are extracted and continuously brought into the solvent phase.
When the utility model is used, the organic solvent heavier than water is used for extraction, the extraction solvent is heated and distilled from the flask, and rises to the condenser to be condensed, and two unmixed water and the solvent with the extract are extracted; finally, the solvent and the extract are returned to the flask, and the process is continued until a sufficient amount of the test substance is extracted, which corresponds to a very large number of extractions, resulting in a very high extraction efficiency.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (6)
1. Novel continuous liquid-liquid extraction device, its characterized in that: including condenser pipe (1), sample room (2), separator (3), round flask (4), connecting pipe (5), condenser pipe (1) bottom and sample room (2) fixed connection, sample room (2) bottom and separator (3) fixed connection, separator (3) bottom and round flask (4) fixed connection, sample room (2) one side and connecting pipe (5) fixed connection, connecting pipe (5) other end is connected with round flask (4).
2. The novel continuous liquid-liquid extraction apparatus of claim 1, wherein: the internal structure of the condensation pipe (1) is spherical.
3. The novel continuous liquid-liquid extraction apparatus of claim 1, wherein: the separation component (3) comprises a dropping tube (31) and a lipophilic membrane (32), the dropping tube (31) is fixedly connected with the bottom of the sample chamber (2), and the center of the dropping tube (31) is fixedly connected with the lipophilic membrane (32).
4. The novel continuous liquid-liquid extraction apparatus of claim 3, wherein: the outer wall of the lipophilic membrane (32) is attached to the inner wall of the dropping liquid pipe (31).
5. The novel continuous liquid-liquid extraction apparatus of claim 1, wherein: the connecting pipe (5) is C-shaped in overall structure.
6. The novel continuous liquid-liquid extraction apparatus of claim 1, wherein: the end of the connecting pipe (5) connected with the sample chamber (2) is close to the condensation pipe (1), and the end of the connecting pipe (5) connected with the round-bottom flask (4) is close to the separation part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221662677.8U CN217794650U (en) | 2022-06-29 | 2022-06-29 | Novel continuous liquid-liquid extraction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221662677.8U CN217794650U (en) | 2022-06-29 | 2022-06-29 | Novel continuous liquid-liquid extraction device |
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| Publication Number | Publication Date |
|---|---|
| CN217794650U true CN217794650U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221662677.8U Active CN217794650U (en) | 2022-06-29 | 2022-06-29 | Novel continuous liquid-liquid extraction device |
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| CN (1) | CN217794650U (en) |
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- 2022-06-29 CN CN202221662677.8U patent/CN217794650U/en active Active
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Denomination of utility model: New continuous liquid-liquid extraction device Effective date of registration: 20230717 Granted publication date: 20221115 Pledgee: Hua Xia Bank Co.,Ltd. Kunming Branch Pledgor: YUNNAN FANGYUAN TECHNOLOGY CO.,LTD. Registration number: Y2023980048719 |