CN212757318U - Soxhlet extraction device capable of automatically stopping - Google Patents
Soxhlet extraction device capable of automatically stopping Download PDFInfo
- Publication number
- CN212757318U CN212757318U CN202021150041.6U CN202021150041U CN212757318U CN 212757318 U CN212757318 U CN 212757318U CN 202021150041 U CN202021150041 U CN 202021150041U CN 212757318 U CN212757318 U CN 212757318U
- Authority
- CN
- China
- Prior art keywords
- ultraviolet sensor
- chip controller
- heater
- extraction
- soxhlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model relates to a Soxhlet extraction device capable of automatically stopping, which comprises a Soxhlet extractor (1), a heater (2), a chip controller (21) and an ultraviolet sensor (3), wherein the Soxhlet extractor (1) is provided with a reflux capillary tube (11); the ultraviolet sensor (3) is positioned at the reflux capillary (11); the chip controller (21) can receive the signal of the ultraviolet sensor (3) and display the value detected by the ultraviolet sensor (3) in real time; a target value is set on the chip controller (21), and when the value detected by the ultraviolet sensor (3) is lower than the target value, the chip controller (21) controls the heater (2) to stop heating. The extracted tree moss extract is added into the cigarette filter stick, so that the aroma quality and the aroma quantity of smoke are effectively improved, and the irritation is reduced. The utility model discloses the ultraviolet absorbance of device ability real time monitoring extract masters the degree of extraction of target object in real time, has avoided the optimization to the extraction time, practices thrift the experimental time, practices thrift the manpower.
Description
Technical Field
The utility model belongs to the technical field of draw, concretely relates to but automatic shutdown's soxhlet extraction element.
Background
Soxhlet extraction is to continuously extract solid matters by a solvent by utilizing the solvent reflux principle, and the extract is enriched in a round-bottom flask at the lower end. The method saves solvent and has high extraction efficiency.
However, the soxhlet extraction apparatus commonly used in laboratories has certain disadvantages. When the Soxhlet extraction is carried out on a sample, the extraction condition is difficult to monitor in real time, in addition, the extraction degree of the sample is not known, the extraction is not stopped at any time, and the optimal experimental time can be obtained only through a series of time optimization experiments.
With the rapid development of science and technology, artificial intelligence gradually enters daily life. Therefore, the Soxhlet extraction device commonly used in the laboratory needs to be improved, intelligent equipment is developed, the experimental time is saved, and the manpower is saved.
In order to solve the above problems, the utility model is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a Soxhlet extraction device which can automatically stop; another aspect is to provide the use of the automatically stoppable Soxhlet extraction device in the extraction of natural products such as tree moss.
The utility model discloses a first aspect provides a soxhlet extraction device that can stop automatically, it includes soxhlet extractor 1, heater 2, chip controller 21, ultraviolet sensor 3, have backward flow capillary 11 in the said soxhlet extractor 1; the ultraviolet sensor 3 is positioned at the return capillary 11; the chip controller 21 is electrically connected to the ultraviolet sensor 3 and the heater 2, respectively.
Wherein, the ultraviolet sensor 3 can be a miniature ultraviolet sensor which is clamped at the position of the reflux capillary 11 so as to facilitate the detachment and replacement of the Soxhlet extractor 1.
Preferably, the method for automatically stopping the soxhlet extraction device capable of automatically stopping comprises the following steps: the chip controller 21 can receive the signal of the ultraviolet sensor 3 and display the value detected by the ultraviolet sensor 3 in real time; a target value is set by the chip controller 21, and when the value detected by the ultraviolet sensor 3 is lower than the target value, the chip controller 21 controls the heater 2 to stop heating.
Preferably, the chip controller 21 may be located inside the heater 2, that is, the heater 2 may be a heater with a smart chip, and may be a magnetic stirring heater with a smart chip, which has a liquid crystal display screen, and displays the value detected by the ultraviolet sensor 3 in real time through the liquid crystal display screen of the heater 2.
The second aspect of the present invention provides an application of the Soxhlet extraction device capable of automatically stopping in the extraction of natural products such as tree moss.
Extracting tree moss with an extraction solvent, setting a target value of 500mAU by the chip controller 21, and controlling the heater 2 to stop heating by the chip controller 21 when the value detected by the ultraviolet sensor 3 is lower than the target value to obtain the tree moss extract.
Preferably, the extraction solvent is one or more selected from water, methanol, ethanol, acetone, ethyl acetate, dichloromethane, etc.
The specific extraction experiment steps are as follows:
cutting 0.5kg of tree moss, placing into Soxhlet extractor, adding 3.5L of ethanol, and stopping heating when the solvent begins to reflux and the signal value of ultraviolet detector is lower than 500 mAU. The monitoring spectrum during the extraction experiment is shown in fig. 2. At the beginning of heating, the solvent did not begin to reflux and there was no signal response. The micro uv sensor detects signal fluctuations when reflux of the extraction solvent occurs. When the experiment is carried out for 3h, the extraction work is basically finished, the signal response is reduced, and when the signal response is lower than the set value of 500mAU, the system stops working.
Dissolving the tree moss extract in glyceryl triacetate to prepare 1-5% solution, adding the solution into acetate fiber tow in an amount of 1-8% of the weight of the acetate fiber tow, and making into cigarette filter stick for cigarette. Wherein the acetate fiber tows can be replaced by other raw materials of the cigarette filter stick.
The sensory evaluation personnel evaluate the cigarettes of the cigarette filter sticks added with the tree moss extracts and the cigarettes of the cigarette filter sticks not added with the tree moss extracts, and the cigarette filter sticks added with the tree moss extracts prepared in the embodiment 1 are found to have richer smoking feeling fragrance, reduce offensive odor and reduce irritation.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. soxhlet extraction element of change that can automatic shutdown, it chip controller 21 can accept ultraviolet sensor 3's signal, and show in real time the numerical value that ultraviolet sensor 3 detected can real time monitoring Soxhlet and draw the experiment and carry out the degree.
2. Soxhlet extraction element of change that can automatic shutdown, it passes through chip controller 21 sets for the target value, works as when the numerical value that ultraviolet sensor 3 detected is less than the target value, chip controller 21 control heater 2 stopping heating can be according to the automatic shutdown experiment of extraction degree, is a neotype humanized experimental apparatus, has avoided a series of time optimization experiments, has practiced thrift experimentation time and manpower.
Drawings
FIG. 1 is a schematic view of the Soxhlet extractor of the present invention, which can be automatically stopped;
FIG. 2 is a monitoring diagram of the Soxhlet extraction device capable of automatically stopping in the process of extracting tree moss in embodiment 1;
the names of the reference numerals in the description of the drawings are: 1-Soxhlet extractor, 2-heater, 3-ultraviolet sensor, 11-reflux capillary, 21-chip controller.
Detailed Description
The following further description of the present invention is provided in conjunction with the accompanying drawings and examples, but the present invention is not limited in any way, and any changes or substitutions made based on the teachings of the present invention are all within the protection scope of the present invention.
Example 1
As shown in fig. 1, the soxhlet extraction device capable of automatically stopping comprises a soxhlet extractor 1, a heater 2, a chip controller 21 and an ultraviolet sensor 3, wherein the soxhlet extractor 1 is provided with a reflux capillary 11; the ultraviolet sensor 3 is positioned at the return capillary 11; the chip controller 21 is electrically connected to the ultraviolet sensor 3 and the heater 2, respectively.
Wherein, the ultraviolet sensor 3 can be a miniature ultraviolet sensor which is clamped at the position of the reflux capillary 11 so as to facilitate the detachment and replacement of the Soxhlet extractor 1.
The chip controller 21 is located inside the heater 2, that is, the heater 2 is a magnetic stirring heater with an intelligent chip and has a liquid crystal display, the chip controller 21 can receive the signal of the ultraviolet sensor 3, and display the value detected by the ultraviolet sensor 3 in real time through the liquid crystal display of the heater 2, and in addition, the heater 2 sets a target value through the chip controller 21, and when the value detected by the ultraviolet sensor 3 is lower than the target value, the chip controller 21 controls the heater 2 to stop heating.
When in work:
the material to be extracted is placed in a soxhlet extractor and the extraction solvent is poured into a round bottom flask at the lower end. Blank scanning is carried out on the ultraviolet sensor, and the background is deducted. After the solvent started to reflux, the target absorbance value was set and the experiment was started. And monitoring the experiment progress according to the real-time measured value on the liquid crystal display screen of the heater. When the absorbance is lower than the set value, the experiment is automatically stopped.
The extraction device is used for extracting tree moss, and the specific operation steps are as follows: cutting 0.5kg of tree moss, placing into Soxhlet extractor, adding 3.5L of ethanol, and stopping heating when the solvent begins to reflux and the signal value of ultraviolet detector is lower than 500 mAU. The monitoring spectrum during the extraction experiment is shown in fig. 2. At the beginning of the previous extraction, the solvent did not start refluxing and there was no signal response. The micro uv sensor detects signal fluctuations when reflux of the extraction solvent occurs. When the experiment is carried out for 3h, the extraction work is basically finished, the signal response is reduced, and when the signal response is lower than the set value of 500mAU, the system stops working.
Example 2
Dissolving the tree moss extract extracted in the example 1 in triacetin to prepare a 4% solution, adding the solution into a cigarette filter stick according to 5% of the weight of the tows, and making into cigarettes. The sensory evaluation personnel evaluate the cigarettes of the cigarette filter sticks added with the tree moss extracts and the cigarettes of the cigarette filter sticks not added with the tree moss extracts, and the cigarette filter sticks added with the tree moss extracts prepared in the embodiment 1 are found to have richer smoking feeling fragrance, reduce offensive odor and reduce irritation.
Claims (3)
1. The Soxhlet extraction device capable of automatically stopping is characterized by comprising a Soxhlet extractor (1), a heater (2), a chip controller (21) and an ultraviolet sensor (3), wherein the Soxhlet extractor (1) is provided with a reflux capillary (11); the ultraviolet sensor (3) is positioned at the return capillary (11); the chip controller (21) is electrically connected with the ultraviolet sensor (3) and the heater (2) respectively.
2. The Soxhlet extraction device capable of automatically stopping as claimed in claim 1, wherein the chip controller (21) can receive the signal of the ultraviolet sensor (3) and display the value detected by the ultraviolet sensor (3) in real time; a target value is set by the chip controller (21), and when the value detected by the ultraviolet sensor (3) is lower than the target value, the chip controller (21) controls the heater (2) to stop heating.
3. The apparatus according to claim 1, wherein the chip controller (21) is located inside the heater (2) and displays the value detected by the ultraviolet sensor (3) in real time through the heater (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150041.6U CN212757318U (en) | 2020-06-19 | 2020-06-19 | Soxhlet extraction device capable of automatically stopping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150041.6U CN212757318U (en) | 2020-06-19 | 2020-06-19 | Soxhlet extraction device capable of automatically stopping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212757318U true CN212757318U (en) | 2021-03-23 |
Family
ID=75074440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021150041.6U Active CN212757318U (en) | 2020-06-19 | 2020-06-19 | Soxhlet extraction device capable of automatically stopping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212757318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729345A (en) * | 2020-06-19 | 2020-10-02 | 云南中烟工业有限责任公司 | Soxhlet extraction device capable of automatically stopping and method for extracting tree moss aroma components by using Soxhlet extraction device |
-
2020
- 2020-06-19 CN CN202021150041.6U patent/CN212757318U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729345A (en) * | 2020-06-19 | 2020-10-02 | 云南中烟工业有限责任公司 | Soxhlet extraction device capable of automatically stopping and method for extracting tree moss aroma components by using Soxhlet extraction device |
| CN111729345B (en) * | 2020-06-19 | 2023-07-14 | 云南中烟工业有限责任公司 | Soxhlet extraction device capable of automatically stopping and method for extracting aroma components of tree moss by same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212757318U (en) | Soxhlet extraction device capable of automatically stopping | |
| CN105772493B (en) | A kind of integrated kitchen refuse processing apparatus and its method of work | |
| CN109645556A (en) | A kind of Novel heating containing perfuming type fibrofelt does not burn cigarette | |
| CN205268607U (en) | Automatic decocte system of traditional chinese medicine | |
| CN111617513B (en) | Automatic-stopping simultaneous distillation extraction device and method for extracting agilawood aroma components by same | |
| CN111729345A (en) | Soxhlet extraction device capable of automatically stopping and method for extracting tree moss aroma components by using Soxhlet extraction device | |
| CN108714316A (en) | A kind of novel tea polyphenols extraction element | |
| CN205719899U (en) | Metal corrosion test device in the Simulated Soil Solution of a kind of automatic liquid supply | |
| CN212757337U (en) | Distillation extraction device capable of automatically stopping and simultaneously | |
| CN205962168U (en) | Intelligence control system that waters flowers | |
| CN113039979A (en) | Citrus tide seedling bed lifting mechanism | |
| CN208678484U (en) | A kind of camellia oil filter device | |
| CN105363239A (en) | Traditional Chinese medicine extraction device for detecting extraction rate in real time | |
| CN109645555A (en) | A kind of preparation method and application for the fruity perfume (or spice) line in Novel heating not burning tobacco | |
| CN209014364U (en) | A kind of on-line monitoring Microwave Extraction device | |
| CN109762731A (en) | A kind of intelligence static aerobic fermentation waste dish processing system | |
| CN205143043U (en) | Paris polyphylla cultivation and management device | |
| CN102048864A (en) | Quality control method of children lung clearing pills serving as Chinese medicinal preparation | |
| CN209513361U (en) | A kind of water planting collection device of secretions from plant roots | |
| CN204598910U (en) | A kind of green house nutrient solution cyclic utilization system | |
| CN208406329U (en) | A kind of Tea Samples rapid filtering device | |
| SE0103969L (en) | Process and apparatus system for the extraction of liquid for analysis purposes from cellulose pulp with high pulp concentration | |
| CN108635960B (en) | Quick filter equipment of tealeaves sample | |
| CN208175661U (en) | A kind of vertical circulation irrigation breeding apparatus | |
| CN102293809B (en) | Method for producing platycodon root fluidextract |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |