CN207591326U - A kind of device for solid-liquid extraction - Google Patents
A kind of device for solid-liquid extraction Download PDFInfo
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- CN207591326U CN207591326U CN201721416177.5U CN201721416177U CN207591326U CN 207591326 U CN207591326 U CN 207591326U CN 201721416177 U CN201721416177 U CN 201721416177U CN 207591326 U CN207591326 U CN 207591326U
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Abstract
The utility model discloses a kind of devices for solid-liquid extraction, it is desirable to provide a kind of to extract the device for being efficiently used for solid-liquid extraction.It includes Soxhlet extractor；The Soxhlet extractor includes extraction flask, extraction tube, the first condenser pipe and the siphon pipe and the first steam lead that are set to extraction tube both sides；Third valve is provided at the inner tube lower end of first condenser pipe；The first steam lead lower end is provided with the second valve；Partition board of the lower part setting with through-hole in the extraction tube, is divided into upper and lower two cavitys communicated by extraction tube；The height of the partition board is less than the top of siphon pipe；The cavity top of the extraction tube is provided with the second connecting hole, and second connecting hole is connected with the second condenser pipe by a connecting tube；The 4th valve is provided in the connecting tube；The lower cavity of the extraction tube is provided with the first connecting hole, and first connecting hole is connected by one second steam lead with the top of extraction flask；The first valve is provided on second steam lead.
Description
Technical field
The utility model is related to chemical analysis pre-treatment experimental provision technical fields, are carried more particularly, to one kind for solid-liquid
The device taken.
Background technology
Solid-liquid extraction is to be dissolved the soluble component in solid sample using organic or inorganic solvent, makes it into liquid
Phase, then the operating process that insoluble solid and liquid are separated.With the development of industry with the raising of living standards of the people, solid-liquid
It extracts more and more extensive in daily life and the application in industry.
Solid-liquid extraction mainly has the technologies such as decocting method, extraction, the way of distillation, circumfluence method and soxhlet extraction.Wherein, it decocts
Method is simple and easy to do, but impurity is more in extracting solution, is unfavorable for the purification ＆ isolation of object；Extraction is suitable for active ingredient heat
Destructible and the extraction containing much starch, natural gum, pectin, mucilaginous natural plants, but the method extraction time is long, extraction effect
Rate is not high；The way of distillation can extract the stronger substance of separating volatile with the different substance of separating volatile；Circumfluence method is extracted
Efficiency is compared with cold-maceration height, but the ingredient of heated destructible should not use this method, and solvent-oil ratio is big, troublesome in poeration；Soxhlet extraction
Method is a kind of dynamic continuous circumfluence extraction technology, and easy to operate, solvent dosage is few compared with common circumfluence method, and extraction efficiency is then apparent
Higher than common reflux, but the substance of thermal stability difference and high volatility it is not suitable for extracting.As it can be seen that five kinds of extractive techniques respectively have spy
Point, wherein, soxhlet extraction can detach different volatility to be apparently higher than the extraction efficiency of other four kinds of methods, the way of distillation
The advantages of component, is favored by chemical analysis worker.
As previously mentioned, the way of distillation and soxhlet extraction are the extractive techniques of two kinds of routines in analytical chemistry.Since Soxhlet carries
It is to be carried out cycle extraction by solvent obtained by thermal evaporation using extracting solution to follow the example of, so being typically good, no for extracting thermal stability
Volatile ingredient；Distillation is the process for utilizing the volatile difference of each component and detaching component, can realize that low boiling point is easy
The extraction of volatile substance.As it can be seen that two kinds of extracting methods are suitble to the substance of extraction to be different.Under the conditions of current technology, such as
Fruit needs the substance weak to the substance of high volatility in same solid sample and volatility to extract, then needs to weigh two parts
Sample, and two parts of samples are extracted and can realized respectively using distillation equipment and Soxhlet extraction equipment.Currently without same
Volatile in solid sample and not volatile components extraction technology is realized in one device.This kind of extracting mode not only operates numerous
It is trivial, and need to expend double even more time, reagent, human and material resources, seriously affect detection working efficiency.
Utility model content
The purpose of this utility model is intended to overcome the shortcomings of the prior art, provides a kind of easy to operate, extraction effect
Rate is high, saves time and the low device for solid-liquid extraction of extraction cost.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：
A kind of device for solid-liquid extraction, including Soxhlet extractor；The Soxhlet extractor includes extraction flask, extraction
Pipe, the first condenser pipe and the siphon pipe and the first steam lead that are set to extraction tube both sides；The inner tube of first condenser pipe
Third valve is provided at lower end；The first steam lead lower end is provided with the second valve；Lower part in the extraction tube is set
The partition board with through-hole is put, extraction tube is divided into upper and lower two cavitys communicated；The height of the partition board is less than siphon pipe
Top；The cavity top of the extraction tube is provided with the second connecting hole, and second connecting hole is connected with by a connecting tube
Two condenser pipes；The 4th valve is provided in the connecting tube；The lower cavity of the extraction tube is provided with the first connecting hole, described
First connecting hole is connected by one second steam lead with the top of extraction flask；The first valve is provided on second steam lead
Door.
Preferably, first condenser pipe uses spherical condensation tube.
Preferably, second condenser pipe uses serpentine condenser.
Preferably, first valve, the second valve, third valve and the 4th valve are switched using cock.
Preferably, the extraction flask is tightly connected with extraction tube by grinding port plug.
Preferably, the extraction tube is connect with the first condenser pipe by ground adapter.
Preferably, the connecting tube is connect with the second condenser pipe by ground adapter.
Compared with prior art, the utility model has the following advantages that：
The utility model realizes extraction respectively volatile in solid sample in same device and not volatile components, shows
Work reduces extractant dosage and sample consumption；Due to not needing to weigh two parts of samples, it is not required that divide on two complete equipments
Volatile and not volatile ingredient is indescribably taken, human and material resources and test period are greatly saved；And it is easy to operate, only need
By controlling several valves that volatile and not volatile substances extraction respectively in same device can be realized, work is effectively increased
Make efficiency.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model.
In figure：1- extraction flasks；2- extraction tubes；The first condenser pipes of 3-；The second condenser pipes of 4-；The first steam leads of 5-；6- rainbows
Suction pipe；The first valves of 7-；The second valves of 8-；The second steam leads of 9-；The first connecting holes of 10-；11- third valves；The 4th valves of 12-
Door；13- connecting tubes；The second connecting holes of 14-；15- partition boards；16- through-holes.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making the creative labor
All other embodiments obtained shall fall within the protection scope of the present invention.
The device of solid-liquid extraction is used for shown in Fig. 1, including Soxhlet extractor；The Soxhlet extractor includes extraction flask 1, carries
Take pipe 2, the first condenser pipe 3 and 6 and first steam lead 5 of siphon pipe for being set to 2 both sides of extraction tube；First condenser pipe
Third valve 11 is provided at 3 inner tube lower end；First steam lead, 5 lower end is provided with the second valve 8；The extraction tube
Partition board 15 of the lower part setting with through-hole 16 in 2, is divided into upper and lower two cavitys communicated by extraction tube 2；The partition board 15
Height be less than the top of siphon pipe 6, glass plate can be used in partition board 15；The cavity top of the extraction tube 2 is provided with the second company
Hole 14 is connect, second connecting hole 14 is connected with the second condenser pipe 4 by a connecting tube 13；Is provided in the connecting tube 13
Four valves 12；The lower cavity of the extraction tube 2 is provided with the first connecting hole 10, and first connecting hole 10 is steamed by one second
Vapour conduit 9 is connected with the top of extraction flask 1；The first valve 7 is provided on second steam lead 9.
Particularly, first condenser pipe 3 preferably uses spherical condensation tube, it is clear that other applicable condensations also can be used
Pipe.
Particularly, second condenser pipe 4 preferably uses serpentine condenser, it is clear that other applicable condensations also can be used
Pipe.
Particularly, first valve 7, the second valve 8,11 and the 4th valve 12 of third valve preferably use cock
Switch, it is clear that other applicable pipeline valves also can be used.
Particularly, the extraction flask 1 is preferably tightly connected with extraction tube 2 by grinding port plug.
Particularly, the extraction tube 2 is preferably connect with the first condenser pipe 3 by ground adapter.
Particularly, the connecting tube 13 is preferably connect with the second condenser pipe 4 by ground adapter.
The use process of the utility model is as follows：
1st, a certain amount of extractant is added in extraction flask 1 according to the specific requirement of detection method；
2nd, a certain amount of sample to be tested is weighed according to the specific requirement of detection method, by sample to be tested packet in fat-free filter paper packet
It is interior, the fat-free filter paper packet for being surrounded by sample to be tested is placed in extraction tube 2 on partition board 15；
3rd, the complete unit equipped with sample and extractant according to attached drawing is installed and connected；
4th, it is passed through cooling water in spherical condensation tube and serpentine condenser；
5th, the first valve 7 and the 4th valve 12 are opened, closes the second valve 8 and third valve 11；
6th, it extremely boils according to the extractant in the specific requirement heating extraction bottle 1 of detection method, the extractant in extraction flask 1
Steam enters extraction tube 2 by the second steam lead 9 and the first valve 7 opened, and then passes through the through-hole on glass plate 15
16 sample with being positioned on glass plate 15 comes into full contact with, and the volatile ingredient in sample enters the formation of extractant steam and distillates
Object steam, distillate steam enter snake by the second connecting hole 14, connecting tube 13 and the 4th valve 12 of unlatching on extraction tube
Shape condenser pipe 4, in serpentine condenser 4 be cooled water cooling after form liquid, the liquid distillate containing volatile ingredient by
The receiving flask of serpentine condenser bottom end is collected；
7th, after volatile ingredient is collected, the first valve 7 and the 4th valve 12 are closed, opens the second valve 8 and third
Valve 11；Extractant steam in extraction flask 1 is entered by the first steam lead 5 and the second valve 8 opened, third valve 11
Spherical condensation tube 3 is condensed into liquid in spherical condensation tube 3 and instills in extraction tube 2, extracts the involatile constituent in sample.
Extracting solution liquid level reach a certain height in pipe 2 to be extracted, and extraction flask 1 is flowed into through siphon pipe 6 dissolved with the extracting solution of object.It flows into
The extractant of extraction flask 1 continues, by heating and gasifying, rising, condensation, to instill in extraction tube 2, so move in circles, make sample continuous
It is extracted by pure extractant, until extracting completely.
8th, it after the completion of extracting, removes heat source and stops heating, cool down extracting solution, close the cooling water of condenser pipe, remove Soxhlet
Extractor（If still there is a small amount of extracting solution in extraction tube 2, tilt and opening the first valve 7 makes its whole flow in extraction flask 1）.It carries
It is the extracting solution dissolved with non-volatile object to take the liquid collected in bottle 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of device for solid-liquid extraction, including Soxhlet extractor；The Soxhlet extractor includes extraction flask（1）, extraction
Pipe（2）, the first condenser pipe（3）And it is set to extraction tube（2）The siphon pipe of both sides（6）With the first steam lead（5）；Its feature
It is：First condenser pipe（3）Inner tube lower end at be provided with third valve（11）；First steam lead（5）Lower end
It is provided with the second valve（8）；The extraction tube（2）Interior lower part setting has through-hole（16）Partition board（15）, by extraction tube（2）
It is divided into upper and lower two cavitys communicated；The partition board（15）Height be less than siphon pipe（6）Top；The extraction tube（2）
Cavity top be provided with the second connecting hole（14）, second connecting hole（14）Pass through a connecting tube（13）It is cold to be connected with second
Solidifying pipe（4）；The connecting tube（13）On be provided with the 4th valve（12）；The extraction tube（2）Lower cavity be provided with first
Connecting hole（10）, first connecting hole（10）Pass through one second steam lead（9）With extraction flask（1）Top connection；It is described
Second steam lead（9）On be provided with the first valve（7）.
2. it to be used for the device of solid-liquid extraction according to claim 1, it is characterised in that：First condenser pipe（3）Using ball
Shape condenser pipe.
3. the device according to claim 1 or claim 2 for solid-liquid extraction, it is characterised in that：Second condenser pipe（4）Using
Serpentine condenser.
4. the device according to claim 1 or claim 2 for solid-liquid extraction, it is characterised in that：First valve（7）, second
Valve（8）, third valve（11）And the 4th valve（12）Switched using cock.
5. the device according to claim 1 or claim 2 for solid-liquid extraction, it is characterised in that：The extraction flask（1）With extraction tube
（2）It is tightly connected by grinding port plug.
6. the device according to claim 1 or claim 2 for solid-liquid extraction, it is characterised in that：The extraction tube（2）It is cold with first
Solidifying pipe（3）It is connected by ground adapter.
7. the device according to claim 1 or claim 2 for solid-liquid extraction, it is characterised in that：The connecting tube（13）With second
Condenser pipe（4）It is connected by ground adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416177.5U CN207591326U (en) | 2017-10-30 | 2017-10-30 | A kind of device for solid-liquid extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416177.5U CN207591326U (en) | 2017-10-30 | 2017-10-30 | A kind of device for solid-liquid extraction |
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| Publication Number | Publication Date |
|---|---|
| CN207591326U true CN207591326U (en) | 2018-07-10 |
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ID=62757510
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721416177.5U Active CN207591326U (en) | 2017-10-30 | 2017-10-30 | A kind of device for solid-liquid extraction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174866A (en) * | 2018-08-10 | 2019-01-11 | 中国石油天然气股份有限公司 | Closed cleaning device |
| CN111774112A (en) * | 2020-08-28 | 2020-10-16 | 广州仪德精密科学仪器股份有限公司 | Novel sample extraction cup and use method thereof |
-
2017
- 2017-10-30 CN CN201721416177.5U patent/CN207591326U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174866A (en) * | 2018-08-10 | 2019-01-11 | 中国石油天然气股份有限公司 | Closed cleaning device |
| CN111774112A (en) * | 2020-08-28 | 2020-10-16 | 广州仪德精密科学仪器股份有限公司 | Novel sample extraction cup and use method thereof |
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