CN107812395A - A kind of device for solid-liquid extraction - Google Patents

A kind of device for solid-liquid extraction Download PDF

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Publication number
CN107812395A
CN107812395A CN201711037627.4A CN201711037627A CN107812395A CN 107812395 A CN107812395 A CN 107812395A CN 201711037627 A CN201711037627 A CN 201711037627A CN 107812395 A CN107812395 A CN 107812395A
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China
Prior art keywords
extraction
tube
valve
solid
pipe
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CN201711037627.4A
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CN107812395B (en
Inventor
黄海涛
高茜
李雪梅
张承明
耿永勤
陈建华
缪恩铭
刘欣
李晶
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China Tobacco Yunnan Industrial Co Ltd
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China Tobacco Yunnan Industrial Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D11/00Solvent extraction
    • B01D11/02Solvent extraction of solids
    • B01D11/0215Solid material in other stationary receptacles
    • B01D11/0219Fixed bed of solid material

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

The invention discloses a kind of device 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 apparatus,Soxhlet's;The apparatus,Soxhlet's includes extraction flask, extraction tube, the first condenser pipe and the siphon pipe and the first steam lead that are arranged at extraction tube both sides;The 3rd valve is provided with the inner tube lower end of first condenser pipe;The first steam lead lower end is provided with the second valve;Bottom in the extraction tube sets the dividing plate with through hole, and extraction tube is divided into upper and lower two cavitys communicated;The height of the dividing plate 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 with 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 with second steam lead.

Description

A kind of device for solid-liquid extraction
Technical field
The present invention relates to chemical analysis pre-treatment experimental provision technical field, more particularly, to a kind of for solid-liquid extraction Device.
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 raising of industrial expansion and living standards of the people, solid-liquid It is extracted in daily life and the application in industry is more and more extensive.
Solid-liquid extraction mainly has the technologies such as decocting method, extraction, the way of distillation, circumfluence method and soxhlet extraction.Wherein, decoct Method is simple and easy to do, but impurity is more in extract solution, is unfavorable for the purification & isolation of object;Extraction is applied to active ingredient heat Destructible and the extraction containing much starch, natural gum, pectin, mucilaginous natural plants, but method extraction time length, extraction effect Rate is not high;The way of distillation can extract the stronger material of separating volatile with the different material of separating volatile;Circumfluence method is extracted Efficiency is high compared with cold-maceration, but the composition of heated destructible should not use this method, and solvent-oil ratio is big, troublesome in poeration;Surname extraction Method is a kind of dynamic continuous circumfluence extraction technology, and easy to operate, solvent load is few compared with common circumfluence method, and extraction efficiency is then obvious Higher than common backflow, but the material of heat endurance difference and high volatility it is not suitable for extracting.It can be seen that five kinds of extractive techniques respectively have spy Point, wherein, soxhlet extraction apparently higher than the extraction efficiency of other four kinds of methods, the way of distillation can separate different volatility The advantages of component, is favored by chemical analysis worker.
As it was previously stated, the way of distillation and soxhlet extraction are the extractive techniques of two kinds of routines in analytical chemistry.Because Soxhlet carries It is to be carried out circulation extraction by solvent obtained by thermal evaporation using extract solution to follow the example of, so being typically that to be used to extracting heat endurance good, no Volatile composition;Distillation is the process for utilizing the volatile difference of each component and separating component, can realize that low boiling is easy The extraction of volatile substance.It can be seen that two kinds of extracting methods are adapted to the material of extraction to be different.Under the conditions of current technology, such as Fruit needs the material weak to the material of high volatility in same solid sample and volatility to extract, then needs to weigh two parts Sample, and extraction is carried out to two parts of samples respectively and can be realized using distillation equipment and surname 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 or even more times, reagent, human and material resources, have a strong impact on detection operating efficiency.
The content of the invention
The purpose of the present invention is intended to overcome the shortcomings of the prior art, there is provided and a kind of simple to operate, extraction efficiency is high, Save time and the low device for solid-liquid extraction of extraction cost.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of device for solid-liquid extraction, including apparatus,Soxhlet's;The apparatus,Soxhlet's includes extraction flask, extraction tube, the One condenser pipe and the siphon pipe and the first steam lead for being arranged at extraction tube both sides;At the inner tube lower end of first condenser pipe It is provided with the 3rd valve;The first steam lead lower end is provided with the second valve;Bottom in the extraction tube, which is set, to be had The dividing plate of through hole, extraction tube is divided into upper and lower two cavitys communicated;The height of the dividing plate is less than the top of siphon pipe;Institute The cavity top for stating extraction tube is provided with the second connecting hole, and second connecting hole is connected with the second condensation by a connecting tube Pipe;The 4th valve is provided with the connecting tube;The lower cavity of the extraction tube is provided with the first connecting hole, and described first connects Hole is connect to connect with the top of extraction flask by one second steam lead;The first valve is provided with second steam lead.
Preferably, first condenser pipe uses spherical condensation tube.
Preferably, second condenser pipe uses serpentine condenser.
Preferably, first valve, the second valve, the 3rd 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 connected with the first condenser pipe by ground adapter.
Preferably, the connecting tube is connected with the second condenser pipe by ground adapter.
Compared with prior art, the invention has the advantages that:
The present invention realizes extraction respectively volatile in solid sample in same device and not volatile components, significantly reduces Extractant dosage and sample consumption;Due to two parts of samples need not be weighed, it is not required that extraction is easy respectively on two complete equipments Volatilization and not volatile composition, greatly save human and material resources and test period;And it is simple to operate, only it need to pass through control Volatile and not volatile substances extraction respectively in same device can be achieved in several valves, effectively increases operating efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
In figure:1- extraction flasks;2- extraction tubes;The condenser pipes of 3- first;The condenser pipes of 4- second;The steam leads of 5- first;6- rainbows Suction pipe;The valves of 7- first;The valves of 8- second;The steam leads of 9- second;The connecting holes of 10- first;The valves of 11- the 3rd;The valves of 12- the 4th Door;13- connecting tubes;The connecting holes of 14- second;15- dividing plates;16- through holes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not paid Embodiment, belong to the scope of protection of the invention.
It is used for the device of solid-liquid extraction, including apparatus,Soxhlet's shown in Fig. 1;The apparatus,Soxhlet's includes extraction flask 1, carried Take pipe 2, the first condenser pipe 3 and the steam lead 5 of siphon pipe 6 and first for being arranged at the both sides of extraction tube 2;First condenser pipe The 3rd valve 11 is provided with 3 inner tube lower end;The lower end of first steam lead 5 is provided with the second valve 8;The extraction tube Bottom in 2 sets the dividing plate 15 with through hole 16, and extraction tube 2 is divided into upper and lower two cavitys communicated;The dividing plate 15 Height be less than the top of siphon pipe 6, dividing plate 15 can use glass plate;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 with 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 steams by one second Vapour conduit 9 connects with the top of extraction flask 1;The first valve 7 is provided with second steam lead 9.
Particularly, first condenser pipe 3 preferably uses spherical condensation tube, it is clear that can also use other applicable condensations Pipe.
Particularly, second condenser pipe 4 preferably uses serpentine condenser, it is clear that can also use other applicable condensations Pipe.
Particularly, first valve 7, the second valve 8, the 3rd valve 11 and the 4th valve 12 preferably use cock Switch, it is clear that can also use other applicable pipeline valves.
Particularly, the extraction flask 1 is preferably tightly connected with extraction tube 2 by grinding port plug.
Particularly, the extraction tube 2 is preferably connected with the first condenser pipe 3 by ground adapter.
Particularly, the connecting tube 13 is preferably connected with the second condenser pipe 4 by ground adapter.
The use process of the present invention 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 testing sample is weighed according to the specific requirement of detection method, by testing sample bag in fat-free filter paper bag, The fat-free filter paper bag for being surrounded by testing sample is placed on the median septum 15 of extraction tube 2;
3rd, the complete unit equipped with sample and extractant is installed according to accompanying drawing 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 the 3rd valve 11;
6th, extremely seethed with excitement according to the extractant in the specific requirement heating extraction bottle 1 of detection method, the extractant steam in extraction flask 1 By the second steam lead 9 and open the first valve 7 enter extraction tube 2, then by the through hole 16 on glass plate 15 with The sample being positioned on glass plate 15 fully contacts, and the volatile ingredient in sample enters extractant steam and forms distillate steaming Vapour, distillate steam are entered snakelike cold by the 4th valve 12 of the second connecting hole 14 on extraction tube, connecting tube 13 and unlatching Solidifying pipe 4, liquid is formed after cooled water cooling in serpentine condenser 4, the liquid distillate containing volatile ingredient is by snakelike The receiving flask of condenser pipe bottom 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 the 3rd valve 11;Extractant steam in extraction flask 1 is entered spherical by the first steam lead 5 and the second valve 8 opened, the 3rd valve 11 Condenser pipe 3, liquid is condensed into spherical condensation tube 3 and is instilled in extraction tube 2, extracts the involatile constituent in sample.Wait to carry Take extract solution liquid level in pipe 2 to reach a certain height, extraction flask 1 is flowed into through siphon pipe 6 dissolved with the extract solution of object.Flow into extraction The extractant of bottle 1 continues to be heated gasification, risen, condensation, instills in extraction tube 2, so moves in circles, and makes sample constantly to be pure Extractant extracted, until extract completely untill.
8th, after the completion of extracting, remove thermal source and stop heating, cool down extract solution, close the cooling water of condenser pipe, remove Soxhlet Extractor(If still there is a small amount of extract solution in extraction tube 2, tilt and opening the first valve 7 makes its whole flow in extraction flask 1).Carry It is the extract solution dissolved with non-volatile object to take the liquid collected in bottle 1.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.

Claims (7)

1. a kind of device for solid-liquid extraction, including apparatus,Soxhlet's;The apparatus,Soxhlet's includes extraction flask(1), extraction Pipe(2), the first condenser pipe(3)And it is arranged at 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 the 3rd valve(11);First steam lead(5)Lower end It is provided with the second valve(8);The extraction tube(2)Interior bottom, which is set, has through hole(16)Dividing plate(15), by extraction tube(2) It is divided into upper and lower two cavitys communicated;The dividing plate(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 is 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), the 3rd 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)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)Connected by ground adapter.
CN201711037627.4A 2017-10-30 2017-10-30 Device for solid-liquid extraction Active CN107812395B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108905243A (en) * 2018-07-27 2018-11-30 浙江杭康检测技术有限公司 A kind of herbal function constituents extraction inspissator and its application method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012207956A (en) * 2011-03-29 2012-10-25 Yamaguchi Prefectural Industrial Technology Institute Heating type soxhlet extractor, simple extractor for extracting minor component included in residue in cylindrical filter paper used in the same, and method for analyzing melt-kneaded composite plastic containing polyolefin as main component, using heating type soxhlet extractor and simple extractor
CN204093079U (en) * 2014-08-12 2015-01-14 江苏上田环境修复有限公司 A kind of soil organic matter extraction and cleaning enrichment facility
CN205252590U (en) * 2015-11-30 2016-05-25 辽宁石化职业技术学院 Modular soxhlet extractor
CN205307864U (en) * 2016-01-27 2016-06-15 福建师范大学 Circulation extraction device
CN205412299U (en) * 2016-03-16 2016-08-03 中南民族大学 Multi -functional steam distillation and soxhlet extraction integration experimental apparatus
CN206494876U (en) * 2017-02-10 2017-09-15 湖北斯味特粉体食品有限公司 The equipment of active factors in a kind of concentration plumule

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012207956A (en) * 2011-03-29 2012-10-25 Yamaguchi Prefectural Industrial Technology Institute Heating type soxhlet extractor, simple extractor for extracting minor component included in residue in cylindrical filter paper used in the same, and method for analyzing melt-kneaded composite plastic containing polyolefin as main component, using heating type soxhlet extractor and simple extractor
CN204093079U (en) * 2014-08-12 2015-01-14 江苏上田环境修复有限公司 A kind of soil organic matter extraction and cleaning enrichment facility
CN205252590U (en) * 2015-11-30 2016-05-25 辽宁石化职业技术学院 Modular soxhlet extractor
CN205307864U (en) * 2016-01-27 2016-06-15 福建师范大学 Circulation extraction device
CN205412299U (en) * 2016-03-16 2016-08-03 中南民族大学 Multi -functional steam distillation and soxhlet extraction integration experimental apparatus
CN206494876U (en) * 2017-02-10 2017-09-15 湖北斯味特粉体食品有限公司 The equipment of active factors in a kind of concentration plumule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108905243A (en) * 2018-07-27 2018-11-30 浙江杭康检测技术有限公司 A kind of herbal function constituents extraction inspissator and its application method

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