CN218529864U - Soxhlet extraction instrument extraction circulation system and Soxhlet extraction instrument - Google Patents
Soxhlet extraction instrument extraction circulation system and Soxhlet extraction instrument Download PDFInfo
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- CN218529864U CN218529864U CN202221995273.0U CN202221995273U CN218529864U CN 218529864 U CN218529864 U CN 218529864U CN 202221995273 U CN202221995273 U CN 202221995273U CN 218529864 U CN218529864 U CN 218529864U
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- extraction
- electric heating
- pipe
- heat tracing
- circulation system
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- 238000000605 extraction Methods 0.000 title claims abstract description 69
- 238000000944 Soxhlet extraction Methods 0.000 title description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims description 33
- 230000001174 ascending effect Effects 0.000 claims description 29
- 238000005485 electric heating Methods 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 3
- 230000008676 import Effects 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000004321 preservation Methods 0.000 description 13
- 101150038956 cup-4 gene Proteins 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 11
- 238000009833 condensation Methods 0.000 description 10
- 230000005494 condensation Effects 0.000 description 10
- 239000002390 adhesive tape Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model relates to an appearance extraction circulation system and appearance are drawed to soxhlet, including the extraction room, the upper portion import of extraction room and condensing element's exit linkage, condensing element's steam inlet is passed through the tedge and is connected with the reagent bottle, and the lower part export of extraction room is connected with the reagent bottle through the back flow of installing the ooff valve, the tedge outside of tubes face is fixed with the companion torrid zone through the mounting, and the axis direction setting of tedge is followed to the companion torrid zone, adopts the utility model discloses an extraction circulation system, evaporation effect is high, and the condensing agent flow is stable.
Description
Technical Field
The utility model relates to a soxhlet draws appearance technical field, concretely relates to soxhlet draws appearance extraction circulation system and soxhlet and draws appearance.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
A reagent circulating pipeline of a full-automatic Soxhlet extraction instrument sold in the market at present is not provided with a heat tracing system, the circulating process is that a reagent is heated to be steam and then enters a condensing part through the pipeline, the steam is condensed and then enters an extraction chamber to soak and extract a sample, the extracted reagent finally returns to a reagent cup to be heated continuously, and the next cycle is carried out. The inventor finds that when steam in the current circulating system rises through the pipeline, the steam can be absorbed by the pipe wall to become liquid again, and the steam flows back to the reagent cup to be heated again. The temperature of the reagent in the extraction chamber is reduced to room temperature when the sample is extracted, and when the reagent in the extraction chamber flows into the reagent cup, the temperature of the reagent in the reagent cup can be instantly reduced, the reagent needs to be heated and boiled again, the reagent circulation period can be prolonged by reheating, and meanwhile, the reagent flow generated by condensation is uneven.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned prior art, provide a soxhlet and draw appearance extraction circulation system, avoided steam to become liquid flow back reagent cup again when the pipeline rises, shortened reagent cycle simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, the embodiment of the utility model provides a soxhlet draws appearance extraction circulation system, including the extraction room, the upper portion import of extraction room and condensing part's exit linkage, condensing part's steam inlet passes through the tedge and is connected with the reagent bottle, and the lower part export of extraction room is connected with the reagent bottle through the back flow of installing the ooff valve, the tedge pipe face is fixed with the companion tropical through the mounting, and the axis direction setting of tedge is followed to the companion tropical.
Optionally, the fixing member is a plurality of heat preservation rubber belt rings or heat preservation cotton rings distributed along the axial direction of the ascending pipe.
Optionally, the heat tracing bands are arranged in a plurality, the heat tracing bands are distributed along the circumferential direction of the ascending pipe, the heat tracing bands are all connected with the power supply, and the heat tracing bands are arranged in parallel.
Optionally, an electric heating part is fixed at the bottom of the extraction chamber.
Optionally, the electric heating part adopts an electric heating sheet, and the shape of the electric heating sheet is matched with the shape of the bottom surface of the extraction chamber.
Optionally, a back glue layer is arranged between the electric heating sheet and the bottom surface of the extraction chamber.
Optionally, the electric heating part and the heat tracing band are both connected with the power supply, and the electric heating part and the heat tracing band are arranged in parallel.
Optionally, an outlet pipe is arranged at the bottom of the extraction chamber, the outlet pipe is connected with the return pipe, the outlet pipe is further communicated with a liquid level monitoring pipe, a liquid level detection element is mounted on the liquid level monitoring pipe, and the liquid level detection element is connected with the control system.
Optionally, the switch valve is an electric control switch valve, and the electric control switch valve is connected with the control system.
In a second aspect, an embodiment of the present invention provides a soxhlet extractor, which is provided with the first aspect of the extraction circulation system of the soxhlet extractor.
Above-mentioned the utility model has the advantages as follows:
1. the utility model discloses an extraction circulation system is provided with the companion torrid zone on the tedge, can continuously heat the tedge, and steam can be very big avoid becoming liquid again on the pipe wall in the process of rising, improves steam evaporation efficiency.
2. The utility model discloses an extraction circulation system, electric heating component can heat extraction room bottom, last to keep warm extraction room reagent, when reagent flows back to the reagent cup, can not form the inhomogeneous of steam flow because of great difference in temperature, have stabilized the flow of condensation reagent.
3. The utility model discloses an extraction circulation system sets up the gum layer between electric heating plate and extraction room bottom, can guarantee the maximum area of contact of electric heating plate and extraction room, has improved the heat preservation effect.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and the description of the exemplary embodiments of the application are intended to be illustrative of the application and are not intended to limit the application.
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
wherein, 1, a condensation bottle, 2, a heat tracing band, 3, an ascending pipe, 4, a reagent cup, 5, an extraction chamber, 6, an electric heating sheet, 7, a descending pipe, 8, an outlet pipe, 9, a return pipe and 10, a liquid level monitoring pipe.
Detailed Description
Example 1
The embodiment provides an extraction circulation system of a Soxhlet extractor, which comprises a reagent cup 4, a condensing part, an extraction chamber 5 and corresponding pipelines as shown in figure 1, wherein the condensing part is positioned above the reagent cup 4, the reagent cup 4 is connected with the bottom end of an ascending tube 3, the top end of the ascending tube 3 is connected with a steam inlet of the condensing part, and steam formed by heating and evaporating the reagent cup 4 can enter the condensing part through the ascending tube 3 and is condensed into liquid again by the condensing part.
The condensing part may be a conventional condensing bottle 1, and the specific structure thereof will not be described in detail.
The bottom end of the condensation bottle 1 is provided with a condensate outlet which is connected with an inlet at the upper part of the extraction chamber 5 through a downcomer 7.
The lower part of the extraction chamber 5 is provided with an outlet tube 8, the outlet tube 8 being connected to one end of a return tube 9, the other end of the return tube 9 being connected to the reagent cup 4.
The extraction chamber may be of any conventional construction, and the specific construction thereof will not be described in detail.
The liquid in the extraction chamber 5 can flow back into the reagent cup 4 via the return tube 9.
The return pipe 9 is provided with a switch valve, and the switch valve is an electric control switch valve.
Correspondingly, the outlet pipe intercommunication has liquid level monitoring pipe 10, and liquid level monitoring pipe 10 adopts L type pipe, including first pipeline section and second pipeline section, and first pipeline section is connected with the outlet pipe, and the axis of first pipeline section is parallel with the axis of extraction room, and first pipeline section axis is vertical setting promptly, and second pipeline section one end is connected with first pipeline section, and the other end is connected to extraction room 5.
Install the liquid level detection component in the first pipeline section, liquid level detection component adopts level sensor, and level sensor is connected with control system, can send signal to control system.
When the liquid level in the extraction chamber 5 rises, the liquid level in the liquid level monitoring pipe 10 rises, and when the liquid level reaches the detection point of the liquid level sensor, the liquid level sensor sends a signal to the control system, the control system controls the electromagnetic valve to work, the return pipe is conducted, and the liquid in the extraction chamber 5 is discharged into the reagent cup 4.
When the liquid level in the extraction chamber 5 does not reach the detection point of the liquid level sensor, the electromagnetic valve is closed, and the steam evaporated in the reagent cup can only enter the condensation bottle through the ascending pipe 3.
In this embodiment, the reagent cup 4 comprises a first cup portion and a second cup portion, the diameter of the first cup portion is larger than that of the second cup portion, the bottom of the first cup portion is connected with the second cup portion through an inverted cone portion, the top end of the first cup portion is provided with a horn mouth structure, the horn mouth structure is provided with a plug for plugging an opening at the top of the reagent cup, the plug is provided with two pipe connectors, one of the pipe connectors is connected with the ascending pipe, and the other pipe connector is connected with the return pipe.
The outer pipe surface of the pipe wall of the ascending pipe 3 is provided with the heat tracing band 2, the heat tracing band 2 is of a strip structure, the heat tracing band 2 is arranged along the axis direction of the ascending pipe 3, the bottom end of the heat tracing band 2 extends to the bottom end of the ascending pipe 3, the top end of the heat tracing band 2 extends to the top end of the ascending pipe 3, the heat tracing band 2 is of a strip shape and is soft, the heat tracing band can contact the ascending pipe 3 in a large area, the contact area is large, and the temperature rising efficiency of the ascending pipe 3 is high.
In order to further ensure the heating effect, the heat tracing bands 2 are arranged in a plurality of strips, and the plurality of heat tracing bands are distributed at equal intervals along the circumferential direction of the ascending pipe, in the embodiment, two heat tracing bands 2 are arranged, and the two heat tracing bands 2 are arranged at intervals of 180 degrees.
The heat tracing bands 2 are connected with the power supply, and the two heat tracing bands 2 are arranged in parallel, so that the influence on the normal work of the other heat tracing band 2 when one heat tracing band breaks down is avoided.
The heat tracing band 2 is fixed on the ascending pipe 3 through a fixing piece, the fixing piece adopts a plurality of heat preservation cotton rings or heat preservation adhesive tapes distributed along the axial direction of the ascending pipe 3, in the embodiment, the fixing piece adopts a heat preservation adhesive tape ring, the heat preservation adhesive tape ring adopts a rubber heat preservation adhesive tape ring or an Amur adhesive tape ring, after the heat tracing band is placed on the ascending pipe 3, the intercepted heat preservation adhesive tape is wound by one circle on the periphery of the heat tracing band and the ascending pipe, the heat tracing band 2 is bound and fixed on the ascending pipe 3, the chromium plating heat preservation adhesive tape ring is installed by adopting the same method, the heat tracing band 2 is firmly fixed on the ascending pipe 3, and the heat dissipation generated by the heat tracing band can be inhibited through the heat preservation adhesive tape ring, so that the heat preservation effect of the ascending pipe is further improved.
By arranging the heat tracing band 2, the heating can be continuously provided for the pipeline of the ascending pipe 3, the steam can be greatly prevented from becoming liquid on the pipe wall of the ascending pipe 3 again in the ascending process, and the steam evaporation efficiency is improved.
The extraction chamber 5 adopts a cylindrical structure, the bottom surface of the extraction chamber is provided with an electric heating part, the electric heating part can keep the temperature of the reagent in the extraction chamber 5, when the reagent flows back into the reagent cup 4, the steam flow cannot be uneven due to large temperature difference, and the flow of the condensed reagent is stabilized.
In this embodiment, electrical heating part adopts electrical heating piece 6, electrical heating piece 6 be with 5 bottom surface shape assorted circular electrical heating pieces in extraction room, it is preferred, adopt current flexible electrical heating piece of polyimide, be provided with the gum layer between flexible electrical heating piece of polyimide and the extraction room bottom surface, the gum layer adopts 3M to glue the coating and constitutes, can be high temperature resistant for a long time, because 5 bottom surface unevenness in extraction room, through the gum layer, it has the space to have avoided having between 5 bottom surfaces in extraction room and the electrical heating piece, heating heat preservation effect has been guaranteed.
The electric heating plate is connected with a power supply, the power supply is used for supplying power to the electric heating plate, the electric heating plate 6 and the two heat tracing bands 2 share one power supply, and the electric heating plate 6 and the two heat tracing bands 2 are arranged in parallel.
The working method of the extraction circulation system of the embodiment comprises the following steps:
the reagent in the reagent cup 4 is heated and evaporated, because the electromagnetic valve is closed, steam can only enter the condensation bottle 1 through the ascending pipe 3, in the ascending process, under the action of the heat tracing belt 2, the steam can not be condensed into liquid again through the heat absorbed by the pipe wall of the ascending pipe 3, the steam entering the condensation bottle 1 is condensed under the action of the condensation bottle 1 to generate liquid condensation reagent, the liquid condensation reagent enters the extraction chamber 5 through the descending pipe 7 to be extracted, when the liquid level in the extraction chamber 5 reaches the detection point of the liquid level sensor, the electromagnetic valve is opened, the reagent in the extraction chamber 5 flows into the reagent cup 4 again through the return pipe 9 to be heated again, and the electromagnetic valve is closed after being opened for a set time.
Due to the presence of the electric heating disk 6, no unevenness of the steam flow due to large temperature differences is formed when the reagent flows back to the reagent cup 4, stabilizing the flow of condensed reagent.
Example 2
This embodiment provides one kind of soxhlet extractor, which is provided with the extraction circulation system of the soxhlet extractor described in embodiment 1, and other structures of the soxhlet extractor may be the existing structures, which will not be described in detail herein.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. An extraction circulating system of a Soxhlet extractor comprises an extraction chamber, wherein an upper inlet of the extraction chamber is connected with an outlet of a condensing part, a steam inlet of the condensing part is connected with a reagent bottle through an ascending pipe, and a lower outlet of the extraction chamber is connected with the reagent bottle through a return pipe provided with a switch valve.
2. The extraction cycle system of claim 1, wherein the fixing member comprises a plurality of heat-insulating rubber belt rings or heat-insulating cotton rings distributed along the axial direction of the riser.
3. The extraction circulation system of claim 1, wherein a plurality of heat tracing bands are arranged, the plurality of heat tracing bands are distributed along the circumferential direction of the riser, the plurality of heat tracing bands are connected with a power supply, and the plurality of heat tracing bands are arranged in parallel.
4. The extraction cycle system of claim 1, wherein the bottom of the extraction chamber is fixed with an electric heating element.
5. The extraction cycle system of claim 4, wherein the electric heating element is an electric heating plate, and the shape of the electric heating plate is matched with the shape of the bottom surface of the extraction chamber.
6. The Soxhlet extractor extraction circulation system of claim 5, wherein a back adhesive layer is arranged between the electric heating plate and the bottom surface of the extraction chamber.
7. The extraction cycle system of claim 4, wherein the electric heating element and the heat tracing band are connected to a power supply, and the electric heating element and the heat tracing band are connected in parallel.
8. The extraction circulation system of claim 1, wherein the bottom of the extraction chamber is provided with an outlet pipe, the outlet pipe is connected with the return pipe, the outlet pipe is further communicated with a liquid level monitoring pipe, a liquid level detection element is mounted on the liquid level monitoring pipe, and the liquid level detection element is connected with the control system.
9. The extraction cycle system of claim 1, wherein the switch valve is an electrically controlled switch valve, and the electrically controlled switch valve is connected with the control system.
10. A soxhlet extractor characterized by being provided with the extraction circulation system of the soxhlet extractor as set forth in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995273.0U CN218529864U (en) | 2022-07-29 | 2022-07-29 | Soxhlet extraction instrument extraction circulation system and Soxhlet extraction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995273.0U CN218529864U (en) | 2022-07-29 | 2022-07-29 | Soxhlet extraction instrument extraction circulation system and Soxhlet extraction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218529864U true CN218529864U (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221995273.0U Active CN218529864U (en) | 2022-07-29 | 2022-07-29 | Soxhlet extraction instrument extraction circulation system and Soxhlet extraction instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218529864U (en) |
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2022
- 2022-07-29 CN CN202221995273.0U patent/CN218529864U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Soxhlet extractor extraction cycle system and Soxhlet extractor Granted publication date: 20230228 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: JINAN ALVA INSTRUMENT Co.,Ltd. Registration number: Y2024980030711 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |