CN208465242U - A kind of Soxhlet extractor - Google Patents
A kind of Soxhlet extractor Download PDFInfo
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- CN208465242U CN208465242U CN201821072143.3U CN201821072143U CN208465242U CN 208465242 U CN208465242 U CN 208465242U CN 201821072143 U CN201821072143 U CN 201821072143U CN 208465242 U CN208465242 U CN 208465242U
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Abstract
The utility model relates to a kind of Soxhlet extractors, adopt the following technical scheme that a kind of Soxhlet extractor, it mainly include vacuum pump, condenser pipe, extraction flask, contain sample sleeve, siphon pipe, evaporative flask, bracket, water-bath, it is characterized by: condenser pipe is fixed on bracket, upper end connects vacuum pump, lower end connects extraction flask, it extracts neck part and is provided with steam recirculation hole, extraction flask bottom is equipped with siphon pipe, sample sleeve is contained to be placed in inside extraction flask, bottle cover is evaporated outside extraction flask, evaporative flask passes through water-bath heating water bath, the utility model has the advantages that: solvent vapo(u)r is directly entered condenser pipe by steam recirculation hole, reduce the thermal loss in solvent vapo(u)r uphill process；Using the method for decompression, solvent boiling point is reduced, improves solvent evaporation efficiency；Using the structure that will be evaporated, extraction element combines, extraction flask can be soaked in the solvent in evaporative flask lower than the part of siphon pipe outlet, improve the temperature of extraction flask internal solvent, and the leaching for accelerating substance is extracted.
Description
Technical field
The utility model relates to chemical experimental instrument field more particularly to a kind of Soxhlet extractors.
Background technique
Soxhlet extractor is the common instrument that solid-liquid extracts, and principle is: using the reflux and siphon of solvent, making solid
Substance is continuously extracted by pure solvent, reduces solvent usage, and extraction efficiency is higher.Application No. is
The Chinese patent of CN201520423281.1 discloses a kind of Soxhlet extractor, it is characterised in that: uses siphon hose, reduces
The proportion of goods damageds of Soxhlet extractor, the residual for reducing extracting solution, while the height by adjusting siphon hose change and extract every time
Time since certain active material thermal stability are poor, when using high boiling solvent, extract can still be caused brokenly
It is bad；In device, the temperature of Soxhlet extractor is far below evaporative flask temperature, is unfavorable for the leaching of substance；In device, connecting tube exposure
In air, serious heat loss when solvent vapo(u)r rises reduces solvent and steams efficiency；For certain fat or fine particle
When extracting, sample is easily leaked out with solvent from the gap of charge filter paper, causes siphon blockage.
Summary of the invention
The purpose of this utility model is that being directed to above-mentioned defect, a kind of Soxhlet extractor is provided.
Further, in order to achieve the above object, the utility model adopts the following technical solution: a kind of Soxhlet extractor,
Mainly include vacuum pump, condenser pipe, extraction flask, contain sample sleeve, siphon pipe, evaporative flask, bracket, water-bath, it is characterised in that: is cold
Solidifying pipe is fixed on bracket, and upper end connects vacuum pump, and lower end connects extraction flask, is extracted neck part and is provided with steam recirculation hole, extracts
Bottom of bottle portion is equipped with siphon pipe, contains sample sleeve and is placed in inside extraction flask, evaporates bottle cover outside extraction flask, evaporative flask passes through water-bath
Heating water bath.
Further, the condenser pipe is spherical condensation tube or serpentine condenser.
Further, the extraction flask is placed in inside evaporative flask, and extraction flask bottom is connected with siphon pipe, and extraction flask is lower than
The part of siphon pipe outlet can be soaked in the solvent in evaporative flask, improve the temperature of extraction flask internal solvent.
Further, it is equipped with inside the extraction flask and contains sample sleeve, containing sample sleeve can be by glass filter or sintering
Sand core is constituted, and prevents sample from blocking siphon pipe.
It further, is that reverse frustoconic constructs, it can be achieved that close with condenser pipe and extraction flask at the top of the extraction flask
Connection guarantees device air-tightness.
Further, the condensation bottom of the tube is cased with rubber washer, and the sealing of condenser pipe and extraction flask may be implemented.
An attached technological means as derived from above-mentioned necessary technology means is to be spread out by above-mentioned necessary technology means
The attached technological means of raw one is that the Sheng sample sleeve stack shell is made of other filter mediums.
An attached technological means as derived from above-mentioned necessary technology means is that the Sheng sample sleeve, which uses, filtering
The filter plate of property replaces.
An attached technological means as derived from above-mentioned necessary technology means is that the Sheng sample sleeve is using directly packet
The charge filter paper for wrapping up in raw material replaces.
An attached technological means as derived from above-mentioned necessary technology means is that the water-bath uses hot plate
Equal heating equipments replace.
An attached technological means as derived from above-mentioned necessary technology means is that rush is added outside the evaporative flask
The Vltrasonic device leached into substance.
An attached technological means as derived from above-mentioned necessary technology means is that the evaporative flask is three-necked flask.
An attached technological means as derived from above-mentioned necessary technology means is, between the condenser pipe and vacuum pump
Absorption tube is connect, the steam of spilling is absorbed, prevents pollution air.
In conclusion the utility model has the advantages that: using the structure that evaporative flask is nested with extraction flask, and extracting bottleneck
Portion is equipped with steam recirculation hole, and steam is directly entered condenser pipe by steam hole, reduces the thermal losses of steam, steams to improve
Efficiency；Using the method for decompression, accelerates solvent and steam, improve evaporation efficiency, while reducing solvent boiling point, protect extract substance
Structure is not destroyed；Using the Sheng sample sleeve with filtering function, prevent siphon pipe from being blocked by sample；Extraction flask part is dipped in
In solvent in evaporative flask, also heating extraction bottle, raising leaching temperature accelerate leaching efficiency when solvent vapo(u)r rises.
Detailed description of the invention
Attached drawing 1 is a kind of Soxhlet extractor structural schematic diagram of embodiment.
Attached drawing 2 is a kind of structural schematic diagram of Soxhlet extractor extraction flask.
Specific embodiment
Embodiment 1: referring to Fig.1-2, a kind of Soxhlet extractor mainly includes water outlet 1, condenser pipe 2, water inlet 3, extracts
Bottle 4, siphon pipe 6, evaporative flask 7, water-bath 8, vacuum pump 9, contains sample sleeve 10, bracket 11 at steam recirculation hole 5.
Usage mode: it before extraction, is fitted into and is contained in sample sleeve 10 after sample is handled, Sheng sample sleeve 10 is put into extraction
In bottle 4, extraction flask 4 is put into the evaporative flask 7 equipped with appropriate solvent, solvent level height is exported and extracted between siphon pipe 6
Between 4 bottoms of bottle, start vacuum pump 9, the air in condenser pipe 2 and evaporative flask 7 extracted out, evaporative flask 7 is made to be in negative pressure state,
8 temperature of water-bath is adjusted, heating steams solvent, and solvent vapo(u)r enters extraction flask 4 by evaporative flask 7 by steam recirculation hole 5, then
Condenser pipe 2 is risen to, extraction flask 4 is flowed into after condensation, the solvent in extraction flask 4 penetrates into Sheng sample sleeve 10 and leaches to sample,
When liquid level is more than 6 highest point of siphon pipe in extraction flask 4, extract liquor siphon is flowed back in evaporative flask 7, repeated multiple times, can need to
The material collection of extraction after extraction, closes vacuum pump 9 and water-bath 8 in evaporative flask 7.
Further, charge height is lower than 6 highest point height of siphon pipe in the Sheng sample sleeve 10, and solvent enters extraction
Sample can be sufficiently impregnated after bottle 4.
Further, filled solvent liquid level height is located at the outlet of siphon pipe 6 and 4 bottom of extraction flask in the evaporative flask 7
Between, it is heated in the solvent that 4 bottom of extraction flask can be soaked in evaporative flask 7, improves the temperature of 4 internal solvent of extraction flask, from
And accelerate extraction, liquid level is exported lower than siphon pipe 6, prevents the static pressure of liquid from hindering siphon reflux.
Certainly, the above is only the utility model embodiments, and the use scope of the utility model, this profession are not limited with this
Technical staff understands, can carry out many modifications, variation or equivalent to it within the spirit and scope that claim limits, still
They all will fall within the protection scope of the utility model.
Claims (6)
1. a kind of Soxhlet extractor mainly includes vacuum pump, condenser pipe, extraction flask, contains sample sleeve, siphon pipe, evaporative flask, branch
Frame, water-bath, it is characterised in that: condenser pipe is fixed on bracket, and upper end connects vacuum pump, and lower end connects extraction flask, extraction flask
Neck is provided with steam recirculation hole, and extraction flask bottom is equipped with siphon pipe, contains sample sleeve and is placed in inside extraction flask, and evaporation bottle cover is being extracted
Bottle is external, and evaporative flask passes through water-bath heating water bath.
2. a kind of Soxhlet extractor according to claim 1, it is characterised in that: the condenser pipe be spherical condensation tube or
Serpentine condenser.
3. a kind of Soxhlet extractor according to claim 1, it is characterised in that: the extraction flask is placed in evaporative flask
Portion, extraction flask bottom are connected with siphon pipe.
4. a kind of Soxhlet extractor according to claim 1, it is characterised in that: be equipped with inside the extraction flask and contain sample set
Cylinder, containing sample sleeve can be made of glass filter or sintering sand core.
5. a kind of Soxhlet extractor according to claim 1, it is characterised in that: be reverse frustoconic at the top of the extraction flask
Construction.
6. a kind of Soxhlet extractor according to claim 1, it is characterised in that: the condensation bottom of the tube is cased with rubber pad
Circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821072143.3U CN208465242U (en) | 2018-07-08 | 2018-07-08 | A kind of Soxhlet extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821072143.3U CN208465242U (en) | 2018-07-08 | 2018-07-08 | A kind of Soxhlet extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208465242U true CN208465242U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821072143.3U Active CN208465242U (en) | 2018-07-08 | 2018-07-08 | A kind of Soxhlet extractor |
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| CN (1) | CN208465242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681178A (en) * | 2018-07-08 | 2020-01-14 | 余立汜 | Soxhlet extractor |
-
2018
- 2018-07-08 CN CN201821072143.3U patent/CN208465242U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681178A (en) * | 2018-07-08 | 2020-01-14 | 余立汜 | Soxhlet extractor |
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